CN103053455B - Fish germ cell mucus removing and washing system and technical process thereof - Google Patents
Fish germ cell mucus removing and washing system and technical process thereof Download PDFInfo
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- CN103053455B CN103053455B CN201310004301.7A CN201310004301A CN103053455B CN 103053455 B CN103053455 B CN 103053455B CN 201310004301 A CN201310004301 A CN 201310004301A CN 103053455 B CN103053455 B CN 103053455B
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- unsticking
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/80—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in fisheries management
- Y02A40/81—Aquaculture, e.g. of fish
Abstract
The invention relates to a fish germ cell mucus removing and washing system. The fish germ cell mucus removing and washing system is characterized by comprising a mucus removal liquid mixing and supplying device, a mucus removing and washing apparatus and a fish roe collector. The mucus removing and washing apparatus comprises a mucus removing and washing barrel. A rotary stirring device is arranged at the center of the mucus removing and washing barrel, the lower end of the mucus removing and washing barrel is provided with an opening which is communicated with the fish roe collector, a clean water inlet pipe and a mucus removal liquid inlet pipe through a four-way connecting pipe, an overflow ring slot is fixedly arranged on the upper portion of the outer side wall of the mucus removing and washing barrel, and a mucus removal waste water outlet is arranged on the lower portion of the overflow ring slot. A spraying ring pipe is arranged above the mucus removing and washing barrel and provided with spraying holes which align to the upper end port of the mucus removing and washing barrel. A screen ring is arranged above the mucus removing and washing barrel and isolates the upper end of the mucus removing and washing barrel from the overflow ring slot. A liquid outlet of the mucus removal liquid mixing and supplying device is communicated with the mucus removal liquid inlet pipe. A liquid inlet pump is arranged in the liquid inlet pipe and provides liquid inlet power, and a water inlet pump is arranged on the clean water inlet pipe and provides water inlet power.
Description
Technical field
The present invention relates to a kind of fish oosperm unsticking, purging system and technological process thereof, belong to culture fishery technical field.
Background technology
In the important traditional cultured fishes of China, most of what produce is all viscid egg.Before artificial incubation, need carry out unsticking cleaning to improve incubation rate to fertilized egg.
The unsticking of current viscous fertilized ovum and cleaning rely on manual operations mostly.The main problem existing is: 1. unsticking is inhomogeneous, not thorough; 2. fish-egg breakage rate is high; 3. fertilized egg is subject to artificial infection and pollution; 4. manual operation labour intensity is large, and output and efficiency are low; 5. operating personnel are required highly, be difficult to reach standardized standard operation.
And the principle of the application aeration recently occurring carries out fertilized egg to carry out the method for unsticking, the method is to holding logical gases at high pressure in the container of clear water and fertilized egg, making the fertilized egg adhering to each other depart from and come under the impact of air-flow and current, there is following problem in this method: fish-egg stirs inhomogeneous and has a dead angle; After long-term use, solarization air cap easily stops up, and affects its result of use; Gases at high pressure easily cause damage to fish-egg, cause unnecessary loss.
Summary of the invention
The technical issues that need to address of the present invention are:
1, the manual fertilized egg unsticking method of cleaning, unsticking is inhomogeneous, not thorough; Fish-egg breakage rate is high; Fertilized egg is subject to artificial infection and pollution; Manual operation labour intensity is large, and output and efficiency are low; Operating personnel are required high, be difficult to reach standardized standard operation.
2, adopt aeration to impact the method for carrying out fertilized egg unsticking, fish-egg stirs inhomogeneous and has a dead angle; After long-term use, solarization air cap easily stops up, and affects its result of use; Gases at high pressure easily cause damage to fish-egg, cause unnecessary loss.
The present invention takes following technical scheme:
Fish oosperm unsticking, a purging system, comprise unsticking liquid allotment feedway, unsticking wash equipment, fish-egg collector 11, described unsticking cleaning equipment comprises unsticking wash bowl 9, described unsticking wash bowl 9 bottoms are tapered, center is provided with gyratory agitation device 10, the motor 6 that described gyratory agitation device is fixedly installed by its top drives, described unsticking wash bowl 9 lower ending openings and by four-way tube connector respectively with fish-egg collector 11, clear water water inlet pipe 2, unsticking liquid feed tube 1 is communicated with, the top of described unsticking wash bowl 9 lateral walls is also fixed with overflow annular groove 8, described overflow annular groove 8 bottoms are provided with unsticking waste water mouth, unsticking waste water overflows from unsticking wash bowl 9, enter overflow annular groove 8, and can discharge from unsticking waste water mouth, described unsticking wash bowl 9 tops are also provided with spraying ring pipe 4, which is provided with spray apertures, described spray apertures is aimed at the upper port of described unsticking wash bowl, described unsticking wash bowl 9 tops are also provided with screen cloth ring 7, described screen cloth ring 7 separates the upper end of described unsticking wash bowl 9 and described overflow annular groove 8, the liquid outlet of described unsticking liquid allotment feedway is communicated with described unsticking liquid feed tube 1, described feed tube 1 is provided with liquid feeding pump 14, and feed liquor power is provided, and described clear water water inlet pipe is provided with intake pump 21, provides into water power.
Further, described gyratory agitation device 10 is screw rod helical ribbon agitator.
Further, described fish-egg collector 11 has inside groove and water jacket double-decker, and described inside groove upper periphery is net solarization, and bottom is fish-egg pallet, and described water jacket is conical bottom, and conical bottom center connects drainpipe.
Further, the bottom of described water jacket inner side is provided with sieve tray, is fixed with aeration endless tube 22 on described sieve tray, and the net of inside groove upper periphery shines described in the nozzle alignment of described aeration endless tube 22, by being attached to the fish-egg that net shines, blows off.
Further, described unsticking liquid allotment feedway comprises at least one preparing pool, described preparing pool top enters clear water and detackifier material, bottom has aerator, by aeration, unsticking liquid is allocated, bottom is provided with discharge outlet, and side is provided with upper and lower two liquid-level switches, upper liquid-level switch is closed into water, and lower liquid-level switch is opened water inlet.
Further, described unsticking liquid allotment feedway comprises two preparing pools that are connected in parallel, i.e. the first preparing pool 16 and the second preparing pool 18, during described the first preparing pool 16 feed flow, the second preparing pool 18 allotments, during described the first preparing pool 16 allotment, described the second preparing pool 18 feed flows.
Further, described the first preparing pool 16 liquid outlet places are provided with first and mix liquid electromagnetic valve 20, and its water inlet is provided with the first ball valve 15; Described the second preparing pool 18 liquid outlet places are provided with second and mix liquid electromagnetic valve 19, and its water inlet is provided with the second ball valve 17; Described water inlet pipe 2 is provided with entering water electromagnetic valve 13, before described spraying ring pipe 4, is provided with spraying ring pipe magnetic valve 3, is also provided with fish-egg collector magnetic valve 12 before described fish-egg collector 11.
A technological process for fish oosperm unsticking, purging system work, comprises the following steps:
1) open the first ball valve 15, in the first preparing pool 16, quantitatively intake, the aerator of preparation detackifier liquid startup bottom, makes suspension detackifier liquid even;
2) when the interior liquid level of the first preparing pool 16 rises to a high position, upper liquid-level switch action, close into water, simultaneously, open the second ball valve 17, in the second preparing pool 18, quantitatively intake, the aerator of preparation detackifier liquid startup bottom, make suspension detackifier liquid even, meanwhile, first mixes liquid electromagnetic valve 20 and liquid feeding pump 14 is opened, and to unsticking wash bowl 9, sends into a certain amount of unsticking liquid, treat that unsticking fish oosperm quantitatively puts into unsticking wash bowl 9 from screen cloth ring 7 tops, after certain hour, liquid feeding pump 14 is closed;
3) described the first preparing pool 16 replaces feed flow with described the second preparing pool 18;
4) starter motor 6, start screw rod helical ribbon agitator, start the regularly unsticking stage;
5) after certain hour, enter the fixed time cleaning stage, open entering water electromagnetic valve 13 and intake pump 21, to the interior injection clear water of unsticking wash bowl 9, fish oosperm repeatedly cleans in clean flowing water, liquid level upper strata impurity overflows by the screen cloth ring 7 of unsticking wash bowl 9 tops, unsticking waste water mouth through overflow annular groove 8 bottoms is discharged, and fertilized egg is blocked in screen cloth ring 7.
6) after certain hour, enter the wash phase of unsticking wash bowl 9, open endless tube magnetic valve 3 and fish-egg collector magnetic valve 12, clear water rinses through the inwall of 4 pairs of screen cloth rings 7 of spraying ring pipe, unsticking wash bowl 9;
7) from fish-egg collector 11, take out the fertilized fish roe cleaning through unsticking.
Further, the time in described timing unsticking stage is 3～15 minutes; The time in described fixed time cleaning stage is 5～10 minutes; The wash phase of described unsticking wash bowl 9 carries out 3 times repeatedly, and each time is 5 minutes.
Technical characteristics of the present invention is: first, unsticking wash bowl 9 and the inner gyratory agitation device 10 arranging thereof have been adopted, gyratory agitation device 10 can drive and mix the unsticking liquid of fish-egg along the barrel rising of unsticking wash bowl 9, Zai Xiang center depression converges, form upper and lower convection circulation, fish-egg and unsticking liquid are mixed uniformly promotes simultaneously and stirs fish-egg realizing, and stirs in addition spiral shell leaf and cleans between cylindrical shell and combine closely and do not stay dead angle, has stronger anti-adhesion effect; The second, be provided with the first preparing pool 16,18, two preparing pools of the second preparing pool, two preparing pools are equipped with upper and lower two liquid-level switches, two preparing pool alternations, uninterrupted production continuously of realizing system; In system, be provided with a plurality of magnetic valves, whole fish oosperm unsticking, purging system are carried out to automation control.
Beneficial effect of the present invention is:
1) realize the mechanical automation of fish-egg unsticking, greatly improved production efficiency, reduced labour intensity.
2) realize uninterrupted production continuously of system, greatly improve production capacity.
3) unsticking, clean and not stay dead angle, effective, unsticking wash bowl 9 is without attachment, easy to clean.
4) unsticking is even, and intensity and the time of cleaning are controlled;
5) fertilized egg protection fully, greatly reduces damage ratio.
6) procedure operation, automatically reliable, greatly enhances productivity;
Accompanying drawing explanation
Fig. 1 is the overall schematic of fish oosperm unsticking of the present invention, purging system and technological process thereof.
Fig. 2 is the structure perspective view of unsticking wash equipment.
Wherein 1, feed tube, 2, water inlet pipe, 3, spraying ring pipe magnetic valve, 4, spraying ring pipe, 5, motor support frame, 6, motor, 7, screen cloth ring, 8, overflow annular groove, 9, unsticking wash bowl, 10, gyratory agitation device, 11, fish-egg collector, 12, fish-egg collector magnetic valve, 13, entering water electromagnetic valve, 14, liquid feeding pump, 15, the first ball valve, 16, the first preparing pool, the 17, second ball valve, the 18, second preparing pool, 19, second mix liquid electromagnetic valve, 20, first mix liquid electromagnetic valve, 21, intake pump, 22, aeration endless tube.
Embodiment
Below in conjunction with specific embodiment, the present invention is further described.
Referring to Fig. 1-2, a kind of fish oosperm unsticking, purging system, comprise unsticking liquid allotment feedway, unsticking wash equipment, fish-egg collector 11, unsticking cleaning equipment comprises unsticking wash bowl 9, unsticking wash bowl 9 bottoms are tapered, center is provided with screw rod helical ribbon agitator, the motor 6 that screw rod helical ribbon agitator is fixedly installed by its top drives, unsticking wash bowl 9 lower ending openings and by four-way tube connector respectively with fish-egg collector 11, clear water water inlet pipe 2, unsticking liquid feed tube 1 is communicated with, the top of unsticking wash bowl 9 lateral walls is also fixed with overflow annular groove 8, overflow annular groove 8 bottoms are provided with unsticking waste water mouth, unsticking waste water overflows from unsticking wash bowl 9, enter overflow annular groove 8, and can discharge from unsticking waste water mouth, unsticking wash bowl 9 tops are also provided with spraying ring pipe 4, which is provided with spray apertures, spray apertures is aimed at the upper port of unsticking wash bowl, unsticking wash bowl 9 tops are also provided with screen cloth ring 7, screen cloth ring 7 separates the upper end of unsticking wash bowl 9 and overflow annular groove 8, the liquid outlet of unsticking liquid allotment feedway is communicated with unsticking liquid feed tube 1, feed tube 1 is provided with liquid feeding pump 14, and feed liquor power is provided, and clear water water inlet pipe is provided with intake pump 21, provides into water power.
Fish-egg collector 11 has inside groove and water jacket double-decker, inside groove upper periphery is net solarization, bottom is fish-egg pallet, water jacket is conical bottom, conical bottom center connects drainpipe, and the bottom of water jacket inner side is provided with sieve tray, is fixed with aeration endless tube 22 on sieve tray, described in the nozzle alignment of aeration endless tube 22, the net of inside groove upper periphery shines, and the fish-egg being attached in net solarization is blown off.
Unsticking liquid allotment feedway comprises that first 18, two the preparing pool tops of preparing pool 16, the second preparing pool that are connected in parallel enter clear water and detackifier material, bottom has aerator, by aeration, unsticking liquid is allocated, bottom is provided with discharge outlet, and side is provided with upper and lower two liquid-level switches, upper liquid-level switch is closed into water, lower liquid-level switch is opened water inlet, during the first preparing pool 16 feed flow, and the second preparing pool 18 allotments, during the first preparing pool 16 allotment, described the second preparing pool 18 feed flows.
The first preparing pool 16 liquid outlet places are provided with first and mix liquid electromagnetic valve 20, and its water inlet is provided with the first ball valve 15; The second preparing pool 18 liquid outlet places are provided with second and mix liquid electromagnetic valve 19, and its water inlet is provided with the second ball valve 17; Water inlet pipe 2 is provided with entering water electromagnetic valve 13, is provided with spraying ring pipe magnetic valve 3 before spraying ring pipe 4, is also provided with fish-egg collector magnetic valve 12 before fish-egg collector 11.
The technological process of its specific works comprises the following steps:
1) open the first ball valve 15, in the first preparing pool 16, quantitatively intake, the aerator of preparation detackifier liquid startup bottom, makes suspension detackifier liquid even;
2) when the interior liquid level of the first preparing pool 16 rises to a high position, upper liquid-level switch action, close into water, simultaneously, open the second ball valve 17, in the second preparing pool 18, quantitatively intake, the aerator of preparation detackifier liquid startup bottom, make suspension detackifier liquid even, meanwhile, first mixes liquid electromagnetic valve 20 and liquid feeding pump 14 is opened, and to unsticking wash bowl 9, sends into a certain amount of unsticking liquid, treat that unsticking fish oosperm quantitatively puts into unsticking wash bowl 9 from screen cloth ring 7 tops, after certain hour, liquid feeding pump 14 is closed;
3) when the first preparing pool 16 liquid levels are down to low level, lower liquid level indicator lamp lights, and first mixes liquid electromagnetic valve 20 closures, and system automatically switches to the second preparing pool 18, opens second and mixes liquid electromagnetic valve 19.When the second preparing pool 18 liquid levels are down to low level, in like manner switch, realize two preparing pool alternations.
4) starter motor 6, start screw rod helical ribbon agitator, start the regularly unsticking stage, and regularly the time in unsticking stage is 3～15 minutes;
5) enter the fixed time cleaning stage, open entering water electromagnetic valve 13 and intake pump 21, to the interior injection clear water of unsticking wash bowl 9, fish oosperm repeatedly cleans in clean flowing water, liquid level upper strata impurity overflows by the screen cloth ring 7 of unsticking wash bowl 9 tops, unsticking waste water mouth through overflow annular groove 8 bottoms is discharged, and fertilized egg is blocked in screen cloth ring 7, and the time in fixed time cleaning stage is 5～10 minutes;
6) enter the wash phase of unsticking wash bowl 9, open endless tube magnetic valve 3 and fish-egg collector magnetic valve 12, clear water rinses through the inwall of 4 pairs of screen cloth rings 7 of spraying ring pipe, unsticking wash bowl 9, and the wash phase of unsticking wash bowl 9 carries out 3 times repeatedly, and each time is 5 minutes.
7) from fish-egg collector 11, take out the fertilized fish roe cleaning through unsticking.
Operating process, by computer controlled automatic, by establishment time control program, realizes the automated job of fertilized fish roe unsticking cleaning process, and according to the feature of different fish-eggs, by adjusting time control parameter, reaches good unsticking cleaning performance.
The invention provides a kind of automation, sequencing, standardized fertilized fish roe unsticking, purging system and technological process thereof, realize scale, large batch of continuous production, greatly improve production capacity.
Claims (5)
1. fish oosperm unsticking, a purging system, is characterized in that:
Comprise unsticking liquid allotment feedway, unsticking wash equipment, fish-egg collector (11);
Described unsticking cleaning equipment comprises unsticking wash bowl (9), described unsticking wash bowl (9) bottom is tapered, center is provided with gyratory agitation device (10), the motor (6) that described gyratory agitation device is fixedly installed by its top drives, described unsticking wash bowl (9) lower ending opening and by four-way tube connector respectively with fish-egg collector (11), clear water water inlet pipe (2), unsticking liquid feed tube (1) is communicated with, the top of described unsticking wash bowl (9) lateral wall is also fixed with overflow annular groove (8), described overflow annular groove (8) bottom is provided with unsticking waste water mouth, unsticking waste water overflows from unsticking wash bowl (9), enter overflow annular groove (8), and can discharge from unsticking waste water mouth, described unsticking wash bowl (9) top is also provided with spraying ring pipe (4), which is provided with spray apertures, described spray apertures is aimed at the upper port of described unsticking wash bowl, described unsticking wash bowl (9) top is also provided with screen cloth ring (7), described screen cloth ring (7) separates the upper end of described unsticking wash bowl (9) and described overflow annular groove (8),
The liquid outlet of described unsticking liquid allotment feedway is communicated with described unsticking liquid feed tube (1);
Described feed tube (1) is provided with liquid feeding pump (14), and feed liquor power is provided, and described clear water water inlet pipe is provided with intake pump (21), provides into water power;
Described gyratory agitation device (10) is screw rod helical ribbon agitator, and the bottom of described screw rod helical ribbon agitator is corresponding with the bottom of unsticking wash bowl (9);
Described unsticking liquid allotment feedway comprises at least one preparing pool, described preparing pool top enters clear water and detackifier material, bottom has aerator, by aeration, unsticking liquid is allocated, bottom is provided with discharge outlet, side is provided with upper and lower two liquid-level switches, and upper liquid-level switch is closed into water, and lower liquid-level switch is opened water inlet;
Described unsticking liquid allotment feedway comprises two preparing pools that are connected in parallel, i.e. the first preparing pool (16) and the second preparing pool (18), during described the first preparing pool (16) feed flow, the second preparing pool (18) allotment, during described the first preparing pool (16) allotment, described the second preparing pool (18) feed flow;
Described the first preparing pool (16) liquid outlet place is provided with first and mixes liquid electromagnetic valve (20), and its water inlet is provided with the first ball valve (15);
Described the second preparing pool (18) liquid outlet place is provided with second and mixes liquid electromagnetic valve (19), and its water inlet is provided with the second ball valve (17);
Described water inlet pipe (2) is provided with entering water electromagnetic valve (13), the front spraying ring pipe magnetic valve (3) that is provided with of described spraying ring pipe (4), the front fish-egg collector magnetic valve (12) that is also provided with of described fish-egg collector (11).
2. fish oosperm unsticking as claimed in claim 1, purging system, it is characterized in that: described fish-egg collector (11) has inside groove and water jacket double-decker, described inside groove upper periphery is net solarization, and bottom is fish-egg pallet, described water jacket is conical bottom, and conical bottom center connects drainpipe.
3. fish oosperm unsticking as claimed in claim 2, purging system, it is characterized in that: the bottom of described water jacket inner side is provided with sieve tray, on described sieve tray, be fixed with aeration endless tube (22), described in the nozzle alignment of described aeration endless tube (22), the net of inside groove upper periphery shines, and the fish-egg being attached in net solarization is blown off.
4. a technological process for fish oosperm unsticking as claimed in claim 1, purging system work, is characterized in that comprising the following steps:
1) open the first ball valve (15), in the first preparing pool (16), quantitatively intake, the aerator of preparation detackifier liquid startup bottom, makes suspension detackifier liquid even;
2) when in the first preparing pool (16), liquid level rises to a high position, upper liquid-level switch action, close into water, simultaneously, open the second ball valve (17), in the second preparing pool (18), quantitatively intake, the aerator of preparation detackifier liquid startup bottom, make suspension detackifier liquid even, meanwhile, first mixes liquid electromagnetic valve (20) and liquid feeding pump (14) is opened, and to unsticking wash bowl (9), sends into a certain amount of unsticking liquid, treat that unsticking fish oosperm quantitatively puts into unsticking wash bowl (9) from screen cloth ring (7) top, liquid feeding pump after certain hour (14) is closed;
3) described the first preparing pool (16) replaces feed flow with described the second preparing pool (18);
4) starter motor (6), starts screw rod helical ribbon agitator, starts the regularly unsticking stage;
5) after certain hour, enter the fixed time cleaning stage, open entering water electromagnetic valve (13) and intake pump (21), in unsticking wash bowl (9), inject clear water, fish oosperm repeatedly cleans in clean flowing water, liquid level upper strata impurity overflows by the screen cloth ring (7) of unsticking wash bowl (9) top, unsticking waste water mouth through overflow annular groove (8) bottom is discharged, and fertilized egg is blocked in screen cloth ring (7);
6) after certain hour, enter the wash phase of unsticking wash bowl (9), open endless tube magnetic valve (3) and fish-egg collector magnetic valve (12), clear water rinses the inwall of screen cloth ring (7), unsticking wash bowl (9) through spraying ring pipe (4);
7) from fish-egg collector (11), take out the fertilized fish roe cleaning through unsticking.
5. technological process as claimed in claim 4, is characterized in that: the time in described timing unsticking stage is 3～15 minutes; The time in described fixed time cleaning stage is 5～10 minutes; The wash phase of described unsticking wash bowl (9) carries out 3 times repeatedly, and each time is 5 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004301.7A CN103053455B (en) | 2013-01-07 | 2013-01-07 | Fish germ cell mucus removing and washing system and technical process thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004301.7A CN103053455B (en) | 2013-01-07 | 2013-01-07 | Fish germ cell mucus removing and washing system and technical process thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103053455A CN103053455A (en) | 2013-04-24 |
| CN103053455B true CN103053455B (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310004301.7A Expired - Fee Related CN103053455B (en) | 2013-01-07 | 2013-01-07 | Fish germ cell mucus removing and washing system and technical process thereof |
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| CN (1) | CN103053455B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787572B (en) * | 2018-06-22 | 2021-04-16 | 贵州龙源冷水渔业有限公司 | Sturgeon egg belt cleaning device |
| CN111109167A (en) * | 2019-12-31 | 2020-05-08 | 天津市换新水产良种场 | Fish embryonated egg batch debonding incubation system |
| CN112293317B (en) * | 2020-11-19 | 2022-07-19 | 中国水产科学研究院黑龙江水产研究所 | Method for detecting hatching rate of fertilized eggs in salmon spawning site under natural condition |
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| SU502530A1 (en) * | 1974-01-28 | 1976-07-25 | Азовский научно-исследовательский институт рыбного хозяйства | Device for cleaning the eggs of leaf-legged cancers when they are harvested in natural waters |
| SU554848A1 (en) * | 1976-01-06 | 1977-04-25 | Московский Ордена Ленина И Ордена Трудового Красного Знамени Государственный Университет Им.М.В.Ломоносова | Method of degumming fertilized fish roe |
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| CN103053455A (en) | 2013-04-24 |
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