CN118592390A - Postlarvae feeding quick disassembly overflow drainage assembly and method of use thereof - Google Patents

Postlarvae feeding quick disassembly overflow drainage assembly and method of use thereof Download PDF

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Publication number
CN118592390A
CN118592390A CN202410870078.2A CN202410870078A CN118592390A CN 118592390 A CN118592390 A CN 118592390A CN 202410870078 A CN202410870078 A CN 202410870078A CN 118592390 A CN118592390 A CN 118592390A
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CN
China
Prior art keywords
quick
pipe
elbow
overflow
connecting pipe
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CN202410870078.2A
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Chinese (zh)
Inventor
原韬
安琦
牛彦波
吴皓琼
孟利强
杜蓉春
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Institute of Microbiology of Heilongjiang Academy of Sciences
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Institute of Microbiology of Heilongjiang Academy of Sciences
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Application filed by Institute of Microbiology of Heilongjiang Academy of Sciences filed Critical Institute of Microbiology of Heilongjiang Academy of Sciences
Priority to CN202410870078.2A priority Critical patent/CN118592390A/en
Publication of CN118592390A publication Critical patent/CN118592390A/en
Pending legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K63/00—Receptacles for live fish, e.g. aquaria; Terraria
    • A01K63/04—Arrangements for treating water specially adapted to receptacles for live fish

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Farming Of Fish And Shellfish (AREA)

Abstract

本发明公开了仔虾饲喂快速拆卸溢流排水组件及其使用方法,包括网罩、变径接头、第一输水管、快接弯头、弯头本体、快接球阀、第二输水管和三通管;使用方法包括:步骤一,组装溢流排水组件;步骤二,开设安装孔;步骤三,安装溢流排水组件;步骤四,调节溢流排水组件;本发明设计为溢流部分和排水部分,两部分通过快接球阀安装在养殖箱的箱壁上,拆装十分方便,并且两部分所采用的连接管、接头和输水管均采用快拆式设计,易于拼接组装,本发明通过调节第一输水管的倾斜角度即可实现溢流水位的设置,具有易于操作、结构简单、成本低廉的优点,能够实现自动进水溢流、快速排水、单组饲喂容器带水拆解功能,可以满足实验需求。

The invention discloses a shrimp fry feeding quick-disassembly overflow drainage component and a use method thereof. The component comprises a mesh cover, a reducer, a first water pipe, a quick-connect elbow, an elbow body, a quick-connect ball valve, a second water pipe and a three-way pipe. The use method comprises: step one, assembling the overflow drainage component; step two, opening a mounting hole; step three, installing the overflow drainage component; and step four, adjusting the overflow drainage component. The invention is designed as an overflow part and a drainage part, and the two parts are mounted on the box wall of a breeding box through a quick-connect ball valve, so that disassembly and assembly are very convenient. Moreover, the connecting pipes, joints and water pipes used in the two parts all adopt a quick-disassembly design, so that they are easy to splice and assemble. The invention can realize the setting of the overflow water level by adjusting the inclination angle of the first water pipe, has the advantages of easy operation, simple structure and low cost, can realize the functions of automatic water inlet overflow, quick drainage and single-group feeding container disassembly with water, and can meet experimental requirements.

Description

Quick-dismantling overflow drainage assembly for feeding larvae and application method thereof
Technical Field
The invention relates to the technical field of animal experiment equipment, in particular to a quick-dismantling overflow drainage assembly for feeding larvae and a using method thereof.
Background
In the development process of procambarus clarkia larva feed, larva feeding experiments need grouped cultivation of a plurality of groups of experimental larva, and the adopted integrated feeding experimental equipment needs to realize the functions of grouped feeding, water filtering, cleaning and disinfecting, observing and detecting and the like. The conventional overflow part is a component part of a feeding container in aquaculture, is generally designed to be positioned at an opening of the side wall at the upper end of the container, and a water outlet is connected with a sewer pipe to play a role in overflow and drainage, and has a simple structure and a single function. A conventional drain port is typically located at the bottom of the feed container and is connected to a drain line by an open mounting in-line assembly. After the water outlet is installed, the container is fixed together with the pipeline and the bracket, cannot move, and cannot be disassembled and replaced with water quickly. Therefore, the existing equipment cannot meet the functional requirements of systemization, integration and convenient disassembly with water. According to experimental requirements, an assembly capable of realizing automatic water inflow overflow, rapid water drainage and water disassembly and replacement of a single-group feeding container is urgently needed.
Disclosure of Invention
The invention aims to provide a quick-dismantling overflow drainage assembly for feeding larvae and a use method thereof, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a quick dismantlement overflow drainage subassembly of young shrimp feeding, includes screen panel, reducing joint, first raceway, connects elbow soon, elbow body, connects ball valve soon, second raceway and three-way pipe, the last switch-on of screen panel is connected with reducing joint, and reducing joint's output peg graft has first raceway, and the output of first raceway peg graft has connects the elbow soon, connects the output switch-on of elbow soon to be connected with elbow body, and the output switch-on of elbow body is connected with connects the ball valve soon, connects the output switch-on of ball valve soon to be connected with the second raceway, and the output switch-on of second raceway is connected with the three-way pipe.
Preferably, the input end of the reducer union is inserted with a first connecting pipe, and the net cover is inserted on the first connecting pipe.
Preferably, the input end of the elbow body is inserted with a second connecting pipe, and the second connecting pipe is inserted with the output end of the quick-connection elbow.
Preferably, the output end of the elbow body is inserted with a third connecting pipe, and the third connecting pipe is inserted with the input end of the quick-connection ball valve.
Preferably, the output end of the quick-connection ball valve is inserted with a first conversion head, and the first conversion head is inserted with the input end of the second water pipe.
Preferably, the output end of the second water pipe is inserted with a second conversion head, and the second conversion head is inserted on the three-way pipe.
The application method of the larval shrimp feeding and quick-dismantling overflow drainage assembly comprises the steps of firstly, assembling the overflow drainage assembly; step two, a mounting hole is formed; step three, installing an overflow drainage assembly; step four, adjusting an overflow drainage assembly;
In the first step, the net cover, the first connecting pipe, the reducer union, the first water pipe and the bent pipe part of the quick-connection elbow are assembled together to form an overflow part, and the straight pipe part, the second connecting pipe, the elbow body, the third connecting pipe, the quick-connection ball valve, the first conversion head, the second water pipe, the second conversion head and the three-way pipe of the quick-connection elbow are assembled together to form a drainage part;
In the second step, a circular mounting hole with the diameter of 25mm is formed in the middle position of the bottom of the long side of the culture box;
In the third step, the overflow part assembled in the first step is arranged on the inner side of the culture box, the drainage part assembled in the first step is arranged on the outer side of the culture box, the bent pipe part and the straight pipe part of the quick-connection elbow are screwed at the mounting hole formed in the second step, and the three-way pipe is connected to the main pipe;
In the fourth step, the inclination angle of the first water pipe is adjusted in a rotating mode, so that the net cover is located at a preset water level.
Preferably, in the first step, the method specifically includes: firstly, the quick-connection elbow is unscrewed in a rotating way, the net cover is connected with the reducer union through a first connecting pipe, the reducer union is connected with the bent pipe part of the quick-connection elbow through a first water pipe, and the assembly of the overflow part is completed; and then the straight pipe part of the quick-connection elbow is connected with the elbow body through a second connecting pipe, the elbow body is connected with the quick-connection ball valve through a third connecting pipe, the quick-connection ball valve is connected with the second water pipe through a first conversion head, and the second water pipe is connected with the three-way pipe through a second conversion head, so that the assembly of the drainage part is completed.
Preferably, the external diameter of the first connecting pipe is 32mm, the internal diameter of the input end of the reducer union is 32mm, the internal diameter of the output end of the reducer union is 25mm, the first water pipe adopts a PVC pipe with the external diameter of 25mm, the internal diameters of the bent pipe part and the straight pipe part of the quick-connection elbow are 25mm, the external diameter of the second connecting pipe is 25mm, the internal diameter of the elbow body is 25mm, the external diameter of the third connecting pipe is 25mm, the internal diameters of the input end and the output end of the quick-connection ball valve are 25mm, the external diameter of the input end of the first conversion head is 25mm, the external diameter of the output end of the first conversion head is 20mm, the external diameter of the input end of the second conversion head is 20mm, the external diameter of the output end of the second conversion head is 25mm, the external diameter of the input end of the second conversion head is 25mm, and the internal diameter of the three-way pipe is 25mm.
Preferably, in the third step, a sealing ring is installed at the connection position of the bent pipe part and the straight pipe part of the quick-connection elbow.
Compared with the prior art, the invention has the beneficial effects that: the invention is designed into the overflow part and the drainage part, the two parts are arranged on the wall of the cultivation box through the quick-connection ball valve, the disassembly and the assembly are very convenient, and the connecting pipes, the joints and the water conveying pipes adopted by the two parts are all in quick-disassembly design and are easy to splice and assemble.
Drawings
FIG. 1 is a schematic overall perspective view of the present invention;
FIG. 2 is a schematic diagram of the overall front view structure of the present invention;
FIG. 3 is a schematic top view of the overall structure of the present invention;
FIG. 4 is an exploded view of the overall three-dimensional structure of the present invention;
FIG. 5 is a schematic view of an overflow drain assembly installation of the present invention;
fig. 6 is a flow chart of the method of the present invention.
In the figure: 1. a mesh enclosure; 11. a first connection pipe; 12. a reducing joint; 13. a first water pipe; 14. quick connecting elbow; 15. a second connection pipe; 16. an elbow body; 17. a third connection pipe; 18. quickly connecting a ball valve; 19. a first conversion head; 110. a second water pipe; 111. a second conversion head; 112. a three-way pipe; 2. a cultivation box; 3. and a main pipeline.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, an embodiment of the present invention is provided: the quick-dismantling overflow drainage assembly for feeding the larvae comprises a net cover 1, a reducer union 12, a first water pipe 13, a quick-connection elbow 14, an elbow body 16, a quick-connection ball valve 18, a second water pipe 110 and a three-way pipe 112, wherein the reducer union 12 is connected to the net cover 1 in a conducting manner, the first water pipe 13 is inserted into the output end of the reducer union 12, the quick-connection elbow 14 is inserted into the output end of the first water pipe 13, the elbow body 16 is connected to the output end of the quick-connection elbow 14 in a conducting manner, the ball valve 18 is connected to the output end of the elbow body 16 in a conducting manner, the second water pipe 110 is connected to the output end of the quick-connection ball valve 18 in a conducting manner, the three-way pipe 112 is connected to the output end of the second water pipe 110 in a conducting manner, the net cover 1 is used for preventing the larvae from entering an overflow port, the reducer union 12 is used for installing the net cover 1, the first water pipe 13 is used for connecting the reducer union 12 and the quick-connection elbow 14, the height position of the reducer union 12 is also used for adjusting the height position of the reducer union 1, the elbow body 16 is used for communicating the quick-connection elbow 14 and the quick-connection ball valve 18, and the second water pipe 110 and the three-way pipe 112 are used for draining water; the input end of the reducer union 12 is inserted with a first connecting pipe 11, the net cover 1 is inserted on the first connecting pipe 11, and the first connecting pipe 11 is used for connecting the reducer union 12 and the net cover 1; the input end of the elbow body 16 is inserted with a second connecting pipe 15, the second connecting pipe 15 is inserted at the output end of the quick-connect elbow 14, and the second connecting pipe 15 is used for connecting the elbow body 16 and the quick-connect elbow 14; the output end of the elbow body 16 is inserted with a third connecting pipe 17, the third connecting pipe 17 is inserted into the input end of the quick ball valve 18, and the third connecting pipe 17 is used for connecting the elbow body 16 and the quick ball valve 18; the output end of the quick-connection ball valve 18 is inserted with a first conversion head 19, the first conversion head 19 is inserted with the input end of the second water pipe 110, and the first conversion head 19 is used for connecting the quick-connection ball valve 18 and the second water pipe 110; the output end of the second water pipe 110 is inserted with a second conversion head 111, the second conversion head 111 is inserted on the three-way pipe 112, and the second conversion head 111 is used for connecting the second water pipe 110 and the three-way pipe 112.
Referring to fig. 5-6, an embodiment of the present invention is provided: the application method of the larval shrimp feeding and quick-dismantling overflow drainage assembly comprises the steps of firstly, assembling the overflow drainage assembly; step two, a mounting hole is formed; step three, installing an overflow drainage assembly; step four, adjusting an overflow drainage assembly;
In the first step, the net cover 1, the first connecting pipe 11, the reducer union 12, the first water pipe 13 and the bent pipe portion of the quick-connect elbow 14 are assembled together to form an overflow portion, and the straight pipe portion of the quick-connect elbow 14, the second connecting pipe 15, the elbow body 16, the third connecting pipe 17, the quick-connect ball valve 18, the first switching head 19, the second water pipe 110, the second switching head 111 and the three-way pipe 112 are assembled together to form a drainage portion; the method comprises the following steps: firstly, the quick-connection elbow 14 is rotated and unscrewed, the net cover 1 is connected with the reducer union 12 through the first connecting pipe 11, the reducer union 12 is connected with the bent pipe part of the quick-connection elbow 14 through the first water pipe 13, and the assembly of the overflow part is completed; then the straight pipe part of the quick-connection elbow 14 is connected with the elbow body 16 through the second connecting pipe 15, the elbow body 16 is connected with the quick-connection ball valve 18 through the third connecting pipe 17, the quick-connection ball valve 18 is connected with the second water pipe 110 through the first conversion head 19, the second water pipe 110 is connected with the three-way pipe 112 through the second conversion head 111, and the assembly of the drainage part is completed; the outer diameter of the first connecting pipe 11 is 32mm, the inner diameter of the input end of the reducer union 12 is 32mm, the inner diameter of the output end of the reducer union 12 is 25mm, the first water pipe 13 adopts a PVC pipe with the outer diameter of 25mm, the inner diameters of the bent pipe part and the straight pipe part of the quick-connection elbow 14 are 25mm, the outer diameter of the second connecting pipe 15 is 25mm, the inner diameter of the elbow body 16 is 25mm, the outer diameter of the third connecting pipe 17 is 25mm, the inner diameters of the input end and the output end of the quick-connection ball valve 18 are 25mm, the outer diameter of the input end of the first conversion head 19 is 25mm, the outer diameter of the output end is 20mm, the outer diameter of the output end of the first conversion head 19 is a pagoda shape, the second water pipe 110 adopts a silicone pipe with the inner diameter of 20mm, the outer diameter of the input end of the second conversion head 111 is 20mm, the outer diameter of the output end is 25mm, the input end of the second conversion head 111 is pagoda shape, and the inner diameter of the three-way pipe 112 is 25mm;
in the second step, a circular mounting hole with the diameter of 25mm is formed in the middle position of the bottom of the long side of the culture box 2;
In the third step, the overflow part assembled in the first step is placed on the inner side of the cultivation box 2, the drainage part assembled in the first step is placed on the outer side of the cultivation box 2, the bent pipe part and the straight pipe part of the quick-connection elbow 14 are screwed at the mounting hole formed in the second step, and the three-way pipe 112 is connected to the main pipe 3; wherein, a sealing ring is arranged at the connecting position of the bent pipe part and the straight pipe part of the quick connecting elbow 14;
In the fourth step, the inclination angle of the first water pipe 13 is rotationally adjusted, so that the net cover 1 is at a preset water level.
Based on the above, the invention has the advantages that when the invention is used, the quick-connect elbow 14 is firstly rotated to be unscrewed, the net cover 1 is connected with the reducer union 12 through the first connecting pipe 11, the reducer union 12 is connected with the elbow part of the quick-connect elbow 14 through the first water pipe 13, and the assembly of the overflow part is completed; then the straight pipe part of the quick-connection elbow 14 is connected with the elbow body 16 through the second connecting pipe 15, the elbow body 16 is connected with the quick-connection ball valve 18 through the third connecting pipe 17, the quick-connection ball valve 18 is connected with the second water pipe 110 through the first conversion head 19, the second water pipe 110 is connected with the three-way pipe 112 through the second conversion head 111, and the assembly of the drainage part is completed; a circular mounting hole is formed in the middle of the long side bottom of the cultivation box 2, an overflow part is arranged on the inner side of the cultivation box 2, a drainage part is arranged on the outer side of the cultivation box 2, a bent pipe part and a straight pipe part of the quick-connection elbow 14 are screwed at the mounting hole, and a three-way pipe 112 is connected to the main pipeline 3, so that the assembly can be mounted; when the water level control device is used, the position of the first water pipe 13 in the cultivation box 2 is rotationally adjusted, the water level height in the cultivation box 2 is determined by the overflow port height of the net cover 1, the water amount in the box can be arbitrarily controlled, and water can be overflowed and drained simultaneously, so that the water in the single box body and the total water body of the integrated system can be kept circulating; the water in the single box body can be rapidly discharged by placing the first water pipe 13 at the lowest position; when the single box body with the experimental larva samples needs to be quickly disassembled and separated from the integrated system, firstly, stopping water supply and drainage of the integrated system, closing the quick-connection ball valve 18, and rotating a quick-disassembly loose joint knob at the output end of the quick-connection ball valve 18 to take down the single box body with water from the integrated system; when the single box body is required to be disassembled and separated from the integrated system rapidly under the condition that the drainage operation of the integrated system is not influenced, firstly discharging water in the disassembled box body, closing the quick-connection ball valve 18, and rotating a quick-disassembly loose joint knob at the input end of the quick-connection ball valve 18, so that the single box body can be taken down from the integrated system under the condition that the drainage operation of the integrated system is not influenced; when the single box is required to be disassembled with water rapidly and the system is kept to run normally, the single box body with water can be taken down from the integrated system, then the standby quick ball receiving valve 18 is taken to be mounted at the input end of the first conversion head 19, and the quick ball receiving valve 18 is closed, so that the normal running of the water supply and drainage of the system can be recovered.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (10)

1. Quick dismantlement overflow drainage subassembly of young shrimp feeding, including screen panel (1), reducing joint (12), first raceway (13), connect elbow (14) soon, elbow body (16), quick connect ball valve (18), second raceway (110) and three-way pipe (112), its characterized in that: the utility model discloses a screen panel (1) is gone up and is connected with reducing joint (12), and the output of reducing joint (12) is pegged graft and is had first raceway (13), and the output of first raceway (13) is pegged graft and is had quick connect elbow (14), and the output of quick connect elbow (14) is conducted and is connected with elbow body (16), and the output of elbow body (16) is conducted and is connected with quick connect ball valve (18), and the output of quick connect ball valve (18) is conducted and is connected with second raceway (110), and the output of second raceway (110) is conducted and is connected with three-way pipe (112).
2. The larval shrimp feeding quick-dismantling overflow drain assembly of claim 1, wherein: the input end of the reducer union (12) is inserted with a first connecting pipe (11), and the net cover (1) is inserted on the first connecting pipe (11).
3. The larval shrimp feeding quick-dismantling overflow drain assembly of claim 1, wherein: the input end of the elbow body (16) is inserted with a second connecting pipe (15), and the second connecting pipe (15) is inserted with the output end of the quick-connection elbow (14).
4. A larval shrimp feeding quick-dismantling overflow drain assembly as claimed in claim 3, wherein: the output end of the elbow body (16) is inserted with a third connecting pipe (17), and the third connecting pipe (17) is inserted with the input end of the quick ball valve (18).
5. The larval shrimp feeding quick-dismantling overflow drain assembly of claim 4, wherein: the output end of the quick-connection ball valve (18) is inserted with a first conversion head (19), and the first conversion head (19) is inserted with the input end of the second water pipe (110).
6. The larval shrimp feeding quick-dismantling overflow drain assembly of claim 5, wherein: the output end of the second water pipe (110) is inserted with a second conversion head (111), and the second conversion head (111) is inserted on the three-way pipe (112).
7. The application method of the larval shrimp feeding and quick-dismantling overflow drainage assembly comprises the steps of firstly, assembling the overflow drainage assembly; step two, a mounting hole is formed; step three, installing an overflow drainage assembly; step four, adjusting an overflow drainage assembly; the method is characterized in that:
In the first step, the net cover (1), the first connecting pipe (11), the reducer union (12), the first water pipe (13) and the bent pipe part of the quick-connection elbow (14) are assembled together to form an overflow part, and the straight pipe part of the quick-connection elbow (14), the second connecting pipe (15), the elbow body (16), the third connecting pipe (17), the quick-connection ball valve (18), the first conversion head (19), the second water pipe (110), the second conversion head (111) and the three-way pipe (112) are assembled together to form a drainage part;
In the second step, a circular mounting hole with the diameter of 25mm is formed in the middle position of the bottom of the long side of the culture box (2);
In the third step, the overflow part assembled in the first step is arranged on the inner side of the culture box (2), the drainage part assembled in the first step is arranged on the outer side of the culture box (2), the bent pipe part and the straight pipe part of the quick-connection elbow (14) are screwed at the mounting hole formed in the second step, and the three-way pipe (112) is connected to the main pipe (3);
In the fourth step, the inclination angle of the first water pipe (13) is adjusted in a rotating way, so that the net cover (1) is positioned at a preset water level.
8. The method of using a quick release overflow drain assembly for larval shrimp feeding of claim 7, wherein: in the first step, specifically, the method comprises the following steps: firstly, the quick-connection elbow (14) is rotated and unscrewed, the net cover (1) is connected with the reducer union (12) through a first connecting pipe (11), the reducer union (12) is connected with the bent pipe part of the quick-connection elbow (14) through a first water pipe (13), and the assembly of the overflow part is completed; then connect straight tube portion and elbow body (16) of elbow (14) soon through second connecting pipe (15) and connect elbow body (16) and quick connect ball valve (18) through third connecting pipe (17), connect quick connect ball valve (18) and second raceway (110) through first switching head (19), connect second raceway (110) and three-way pipe (112) through second switching head (111), accomplish the equipment of drainage part.
9. The method of using a quick release overflow drain assembly for larval shrimp feeding according to claim 8, wherein: the external diameter of first connecting pipe (11) is 32mm, the input internal diameter of reducing joint (12) is 32mm, the output internal diameter is 25mm, first raceway (13) adopts the PVC pipe that the external diameter is 25mm, the return bend part and the straight tube part internal diameter of quick-connect elbow (14) are 25mm, the external diameter of second connecting pipe (15) is 25mm, the internal diameter of elbow body (16) is 25mm, the external diameter of third connecting pipe (17) is 25mm, the internal diameter of quick-connect ball valve (18) input and output is 25mm, the input external diameter of first conversion head (19) is 25mm, the output external diameter is 20mm, and the output appearance of first conversion head (19) is pagoda shape, the input external diameter of second raceway (110) adopts the silicone tube that the internal diameter is 20mm, the input external diameter of second conversion head (111) is 20mm, the output external diameter is 25mm, and the input appearance of second conversion head (111) is pagoda shape, the internal diameter of three-way (112) is 25mm.
10. The method of using a quick release overflow drain assembly for larval shrimp feeding of claim 7, wherein: in the third step, a sealing ring is arranged at the connecting position of the bent pipe part and the straight pipe part of the quick-connection elbow (14).
CN202410870078.2A 2024-07-01 2024-07-01 Postlarvae feeding quick disassembly overflow drainage assembly and method of use thereof Pending CN118592390A (en)

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Cited By (2)

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CN120092745A (en) * 2025-03-12 2025-06-06 珠海新腾澳龙水产科技有限公司 Method and equipment system for hatching red claw crayfish larvae into blackheads
WO2026091254A1 (en) * 2024-10-28 2026-05-07 福建侨龙应急装备股份有限公司 Pump truck and water supply and drainage device thereof

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