CN211536786U - Auger type solid-liquid separator - Google Patents
Auger type solid-liquid separator Download PDFInfo
- Publication number
- CN211536786U CN211536786U CN201922197920.8U CN201922197920U CN211536786U CN 211536786 U CN211536786 U CN 211536786U CN 201922197920 U CN201922197920 U CN 201922197920U CN 211536786 U CN211536786 U CN 211536786U
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- Prior art keywords
- shell
- cleaning
- water
- casing
- liquid separator
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- 239000007788 liquid Substances 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000004140 cleaning Methods 0.000 claims abstract description 85
- 238000005192 partition Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 12
- 239000007921 spray Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 19
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000002351 wastewater Substances 0.000 abstract description 9
- 238000005406 washing Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 description 19
- 238000005507 spraying Methods 0.000 description 5
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000013475 authorization Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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Abstract
The utility model discloses an auger type solid-liquid separator, which belongs to the technical field of solid-liquid separators, and the key point of the technical proposal is that the auger type solid-liquid separator comprises a frame and an auger conveyor which is obliquely arranged on the frame, the auger conveyor comprises a shell and helical blades, the upper part of the lower end of the shell is provided with a water inlet which is communicated with the inside of the shell, the lower end surface of the shell is provided with a water outlet, the lower part of the upper end of the shell is provided with a solid discharge outlet, the upper part of the shell is provided with a cleaning port, the cleaning port is fixed with a cleaning cover, the cleaning cover is internally provided with a plurality of cleaning nozzles which are distributed along the length of the shell, the cleaning cover; a partition plate for separating the inside of the cleaning cover from the inside of the shell is arranged below the cleaning spray head, and an operation opening is formed in one side of the cleaning cover. The utility model discloses can be after carrying out solid-liquid separation to concrete waste water, convenient and fast's the inside washing of casing of pair hank dragon conveyer.
Description
Technical Field
The utility model belongs to the technical field of the solid-liquid separation machine technique and specifically relates to a screw formula solid-liquid separation machine is related to.
Background
In concrete production and processing enterprises, concrete tank trucks are required to be cleaned frequently. The waste water generated by cleaning the concrete tank truck contains a large amount of sand, stones, caking concrete and other aggregates, the solid-liquid separation equipment is generally used for separating out the aggregates in the waste water generated by cleaning the concrete tank truck, and then the aggregates are recycled, and the dragon type solid-liquid separator is a common equipment for carrying out solid-liquid separation on the concrete waste water.
The prior auger type solid-liquid separator can refer to Chinese utility model patent document with the authorization publication number of CN204034379U, and discloses an auger solid-liquid separator which comprises a collecting box, a motor, a reduction box, a heater, a high-efficiency auger assembly, a water pump, a drain pipe and a drain outlet, wherein the high-efficiency auger assembly, the water pump, the drain pipe and the drain outlet are fixed in the collecting box; the water drainage pipe is connected with the water pump and discharges the waste water out of the collecting and accommodating box; the high-efficiency packing auger assembly comprises a spiral packing auger, a filter cylinder and a connecting mesh enclosure; the filter cartridge is a cylindrical hollow container; end covers for sealing are arranged at two ends of the filter cylinder; the spiral auger is coaxially matched in the filter cylinder; the spiral auger comprises a central rotating shaft and a spiral blade; the outer diameter of the spiral blade is in transition fit with the inner diameter of the filter cylinder; the central rotating shaft sequentially comprises an upper end half shaft, a rotating shaft main body and a lower end half shaft; the outer surface of the central rotating shaft is fixed with a helical blade; the pitch between the helical blades decreases gradually from bottom to top; the edge of the helical blade is provided with a brush for cleaning the meshes.
When the existing auger type solid-liquid separator is used for carrying out solid-liquid separation on concrete wastewater, solid particles in the concrete wastewater are easily adhered to the inside of the helical blade and the inside of the shell, and then are condensed in the helical blade and the inside of the shell, so that later use of equipment is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a flood dragon formula solid-liquid separation machine can carry out solid-liquid separation back to concrete waste water, and convenient and fast's casing inside washs to the hank dragon conveyer.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a auger type solid-liquid separator comprises a rack and an auger conveyor obliquely arranged on the rack, wherein the auger conveyor comprises a shell and a helical blade arranged inside the shell, a water inlet communicated with the inside of the shell is formed in the upper part of the lower end of the shell, a water outlet is formed in the lower end face of the shell, a solid discharge outlet is formed in the lower part of the upper end of the shell, a cleaning opening is formed in the upper part of the shell, a cleaning cover communicated with the inside of the shell and fixedly connected with the shell is arranged at the cleaning opening, a plurality of cleaning nozzles distributed along the length of the shell are arranged in the cleaning cover, a cleaning water pipe arranged along the length direction of the shell is arranged on the cleaning cover, the cleaning nozzles are communicated with the cleaning water pipe, and the cleaning water pipe is communicated with a water; the cleaning device is characterized in that a partition plate for separating the inside of the cleaning cover from the inside of the shell is arranged below the cleaning spray head, the partition plate is connected with the cleaning cover in a sliding mode along the width direction of the cleaning cover, and an operation opening for allowing the partition plate to pass through is formed in one side of the cleaning cover.
By adopting the technical scheme, after the solid-liquid separation of the concrete sewage is completed, the partition plate is drawn out from the operation port, the water is supplied to the clean water pipe through the water supply pump, and the inside of the shell is sprayed with water through the cleaning port by the cleaning nozzle, so that the inside of the shell is efficiently cleaned; the waste water generated by cleaning is discharged from the water outlet.
The utility model discloses further set up to: a water receiving tray which inclines downwards from one end close to the shell to one end far away from the shell is arranged below the water outlet.
Through adopting above-mentioned technical scheme, set up the water collector through the below at the outlet, and then accept by outlet exhaust sewage through the water collector to make the exhaust rivers more easily get into the escape canal, reduce the unrestrained sewage that falls to the external world.
The utility model discloses further set up to: the water collector is close to one end of casing and is articulated around horizontal axis and casing, the both sides of water collector are provided with adjusts electric putter, adjust electric putter's the body of rod and articulate around horizontal axis and casing, adjust electric putter's piston rod and articulate around horizontal axis and water collector.
Through adopting above-mentioned technical scheme, the piston rod through electric putter is flexible, and then can drive the water receiving dish and rotate its articulated shaft to adjust the inclination of water receiving dish, thereby better guide the drainage position that corresponds with exhaust sewage.
The utility model discloses further set up to: and a sealing plug for sealing the water outlet is arranged at the water outlet.
Through adopting above-mentioned technical scheme, through the setting of sealing plug, and then when cleaning the casing inside, seal the outlet through the sealing plug, and then when using clean shower nozzle to spray water clean the casing inside, drive helical blade simultaneously and rotate, make the inside rivers oscillation production of casing to can be better clean the casing inside.
The utility model discloses further set up to: the peripheral wall of the water outlet is provided with a connecting internal thread, and the peripheral surface of the sealing plug is provided with a connecting external thread meshed with the connecting internal thread.
Through adopting above-mentioned technical scheme, the drain port department is installed through the threaded connection with the perisporium of outlet to the sealing plug, and then can convenient and fast install and dismantle the sealing plug to the sealing plug can be good seal the outlet.
The utility model discloses further set up to: the frame comprises a base and a lifting frame arranged on the base, and the shell is arranged on the lifting frame; a plurality of lifting electric push rods are respectively arranged at the two ends of the bottom of the lifting frame; the piston rod of the lifting electric push rod is vertically upward, the rod body of the lifting electric push rod is fixedly connected with the base, and the piston rod of the lifting electric push rod is fixedly connected with the lifting frame.
Through adopting above-mentioned technical scheme, flexible through lift electric putter's piston rod, and then the drive elevator frame moves in vertical direction to can adjust the height of auger conveyer, thereby the operation requirement under the adaptation co-altitude not that can be better.
The utility model discloses further set up to: one end of the shell is hinged to the lifting frame around the horizontal axis, an angle electric push rod is arranged at the other end of the shell, a rod body of the angle electric push rod is hinged to the lifting frame around the horizontal axis, and a piston rod of the angle electric push rod is hinged to the shell around the horizontal axis.
Through adopting above-mentioned technical scheme, flexible through angle electric putter's piston rod, and then make the casing rotate around its articulated shaft to can adjust the inclination of auger conveyer, thereby adapt to different application operating modes.
The utility model discloses further set up to: and a water inlet hopper fixedly connected with the shell is arranged at the water inlet.
Through adopting above-mentioned technical scheme, through setting up into water fill in water inlet department, and then accept the sewage that carries out solid-liquid separation through the fill convenience of intaking, and then inside the convenient sewage that mixes solid-liquid added the casing by the water inlet.
To sum up, the utility model discloses a beneficial technological effect does:
1. after the solid-liquid separation of the concrete sewage is completed, the partition plate is pulled out from the operation port, the water supply pump supplies water to the cleaning water pipe, the cleaning nozzle is used for spraying water to the inside of the shell through the cleaning port, the water outlet is sealed through the sealing plug, and the cleaning nozzle is matched with the rotation of the helical blade when spraying water, so that the inside of the shell can be cleaned efficiently and well;
2. the frame comprises a base and a lifting frame arranged on the base, the shell is arranged on the lifting frame, a lifting electric push rod for driving the lifting frame to lift is arranged at the bottom of the lifting frame, one end of the shell is hinged with the lifting frame around a horizontal axis, and an angle electric push rod is arranged at the other end of the shell; the piston rod of the lifting electric push rod stretches, the overall height of the auger conveyor is adjusted, the piston rod of the angle electric push rod stretches, the inclination angle of the auger conveyor is adjusted, and therefore the auger type solid-liquid separator can better adapt to various application working conditions.
Drawings
FIG. 1 is a schematic structural diagram of a screw-type solid-liquid separator;
FIG. 2 is a schematic view showing the structure of a cleaning port;
FIG. 3 is a schematic view showing the connection between the partition plate and the cleaning cover;
fig. 4 is a schematic view of the sealing plug.
In the figure, 1, a frame; 11. a base; 12. a lifting frame; 13. lifting the electric push rod; 14. an angle electric push rod; 2. a screw conveyor; 21. a housing; 211. a water inlet; 212. a water outlet; 2121. connecting the internal threads; 213. a solid discharge outlet; 214. cleaning the opening; 22. a helical blade; 23. a drive motor; 24. a water inlet hopper; 25. a cleaning hood; 251. an operation port; 26. cleaning the spray head; 27. cleaning a water pipe; 3. a partition plate; 4. a water pan; 41. adjusting the electric push rod; 5. a sealing plug; 51. and connecting the external thread.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
An auger type solid-liquid separator, referring to fig. 1 and fig. 2, comprises a frame 1 and an auger conveyor 2 obliquely arranged on the frame 1. The auger conveyor 2 comprises a housing 21 and a helical blade 22 disposed inside the housing 21. The helical blade 22 is disposed in a length direction of the housing 21, and the helical blade 22 is rotatably coupled to the housing 21 about an axis thereof. One end of the helical blade 22 is provided with a driving motor 23, a body of the driving motor 23 is fixedly connected with the shell 21, and an output shaft of the driving motor 23 is fixedly connected with the helical blade 22. The upper part of the lower end of the shell 21 is provided with a water inlet 211 communicated with the inside of the shell 21, the lower end surface of the shell 21 is provided with a water outlet 212, and the water inlet 211 is provided with a water inlet bucket 24 fixedly connected with the shell 21. The lower part of the upper end of the shell 21 is provided with a solid discharge port 213. The sewage containing solid impurities is discharged into the housing 21, the solid impurities move in the housing 21 along the longitudinal direction of the housing 21 under the action of the helical blades 22 and are discharged from the solid discharge port 213, and the sewage is discharged from the water discharge port 212, so that the solid and the liquid of the solid-liquid mixture are separated.
The frame 1 comprises a base 11 and a lifting frame 12 arranged on the base 11, and a shell 21 is arranged on the lifting frame 12. The two ends of the bottom of the lifting frame 12 are respectively provided with a plurality of lifting electric push rods 13. The piston rod of the lifting electric push rod 13 is vertically upward, the rod body of the lifting electric push rod 13 is fixedly connected with the base 11, and the piston rod of the lifting electric push rod is fixedly connected with the lifting frame 12. One end of the shell 21 is hinged with the lifting frame 12 around a horizontal axis, the other end of the shell 21 is provided with an angle electric push rod 14, a rod body of the angle electric push rod 14 is hinged with the lifting frame 12 around the horizontal axis, and a piston rod of the angle electric push rod 14 is hinged with the shell 21 around the horizontal axis. The piston rod of the lifting electric push rod 13 stretches, so that the vertical height of the driving auger conveyor 2 is adjusted; the piston rod of the angle electric push rod 14 extends and retracts, and then the driving shell 21 rotates around the hinge shaft of the driving shell, so that the transmission angle of the auger conveyor 2 is adjusted. Through the setting of lift electric putter 13 and angle electric putter 14, adjust the height and the angle of hank dragon conveyer 2 to the operation requirement under the different work condition of adaptation that can be better.
Referring to fig. 1 and 2, a drain pan 4 is provided below the drain port 212, the drain pan inclining downward from a side close to the casing 21 to a side away from the casing 21. One end of the water pan 4 close to the shell 21 is hinged to the shell 21 around a horizontal axis, adjusting electric push rods 41 are arranged on two sides of the water pan 4, a rod body of each adjusting electric push rod 41 is hinged to the shell 21 around the horizontal axis, and a piston rod of each adjusting electric push rod 41 is hinged to the water pan 4 around the horizontal axis. By providing the drain port 212 with the drain pan 4 therebelow, the sewage discharged from the drain port 212 is received by the drain pan 4. The water receiving tray 4 is driven to rotate around the hinge shaft thereof by adjusting the electric push rod 41, so that the inclination angle of the water receiving tray 4 is adjusted, and the sewage discharged from the water outlet 212 can be better guided to the discharge position.
Referring to fig. 1 and 2, a cleaning opening 214 is opened at an upper portion of the housing 21, and a cleaning cover 25 which is communicated with the inside of the housing 21 and is fixedly connected to the housing 21 is disposed at the cleaning opening 214. A plurality of cleaning spray heads 26 arranged along the length of the shell 21 are arranged in the cleaning cover 25, a cleaning water pipe 27 arranged along the length direction of the shell 21 is fixed on the cleaning cover 25, and the cleaning spray heads 26 are communicated with the cleaning water pipe 27. The cleaning water pipe 27 is provided on the circumferential surface thereof with a connection nozzle 271 communicating with the cleaning water pipe 27. When the interior of the housing 21 needs to be cleaned, a plastic hose is connected to the connection nozzle 271, and the other end of the plastic hose is connected to a water supply pump, so that water is supplied to the cleaning water pipe 27, and the interior of the housing 1 is cleaned by spraying water through the cleaning nozzle 26.
Referring to fig. 3, a partition plate 3 for partitioning the inside of the cleaning cover 25 from the inside of the housing 21 is provided below the cleaning head 26, the partition plate 3 is slidably connected to the cleaning cover 25 in the width direction of the cleaning cover 25, and an operation opening 251 for allowing the partition plate 3 to pass therethrough is opened at one side of the cleaning cover 25. When the solid-liquid separation is performed by using the auger type solid-liquid separator, the cleaning nozzle 26 is isolated from the inside of the casing 21 by the partition plate 3, so that when the spiral blade 22 rotates, the sewage is prevented from splashing on the cleaning nozzle 26 and further causing the blockage of the cleaning nozzle 26. When cleaning the inside of casing 21, partition plate 3 is pulled out from operation port 251, and the inside of casing 21 is cleaned by spraying water through cleaning head 26.
Referring to fig. 2 and 4, a sealing plug 5 for closing the drain opening 212 is provided at the drain opening 212. The peripheral wall of the drain port 212 is provided with female coupling threads 2121, and the peripheral surface of the sealing plug 5 is provided with male coupling threads 51 that are threadedly engaged with the female coupling threads 2121. When the cleaning head 26 is used to clean the interior of the housing 21 by spraying water, the drain opening 212 is closed by the sealing plug 5; when the cleaning head 26 sprays water, the driving motor 23 drives the helical blade 22 to rotate, and further the water flow in the casing 21 is oscillated, so that the inside of the casing 21 can be better cleaned.
The implementation principle of the embodiment is as follows:
when the solid-liquid mixed sewage is separated by using the auger type solid-liquid separator, the sewage containing solid impurities is added into the water inlet 211 from the water inlet hopper 24. The driving motor 23 drives the helical blade 22 to rotate, so as to drive the solids in the sewage to be transported along the length direction of the housing 21, and the sewage is discharged from the water outlet 212. The sewage discharged from the water discharge port 212 is received by the water receiving tray 4, and the discharged sewage is guided by the water receiving tray 4.
When the interior of the housing 21 needs to be cleaned, the drain port 212 is closed by the sealing plug 5, and the cleaning water pipe 27 is supplied with water by the water supply pump. The inside of the housing 21 is sprayed with water through the cleaning nozzle 26, and the inside of the housing 21 is cleaned in cooperation with the rotation of the spiral blade 22. After a lapse of time, the drain port 212 is opened, and the sewage generated by the cleaning is discharged through the drain port 212.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (8)
1. The utility model provides an auger formula solid-liquid separation machine, includes that frame (1) and slope set up auger conveyor (2) in frame (1), auger conveyor (2) are including casing (21) and set up helical blade (22) inside casing (21), water inlet (211) with the inside intercommunication of casing (21) are seted up on casing (21) lower extreme upper portion, outlet (212) have been seted up to the lower terminal surface of casing (21), solid bin outlet (213), its characterized in that have been seted up to the upper end lower part of casing (21): a cleaning opening (214) is formed in the upper portion of the shell (21), a cleaning cover (25) which is communicated with the interior of the shell (21) and fixedly connected with the shell (21) is arranged at the cleaning opening (214), a plurality of cleaning spray heads (26) which are distributed along the length of the shell (21) are arranged in the cleaning cover (25), a cleaning water pipe (27) which is arranged along the length direction of the shell (21) is arranged on the cleaning cover (25), the cleaning spray heads (26) are communicated with the cleaning water pipe (27), and the cleaning water pipe (27) is communicated with a water supply pump; a partition plate (3) for separating the inside of the cleaning cover (25) from the inside of the shell (21) is arranged below the cleaning spray head (26), the partition plate (3) is connected with the cleaning cover (25) in a sliding mode along the width direction of the cleaning cover (25), and an operation opening (251) for allowing the partition plate (3) to pass through is formed in one side of the cleaning cover (25).
2. The auger type solid-liquid separator according to claim 1, wherein: a water receiving tray (4) which inclines downwards from one end close to the shell (21) to one end far away from the shell (21) is arranged below the water outlet (212).
3. The auger type solid-liquid separator according to claim 2, wherein: one end, close to the shell (21), of the water pan (4) is hinged to the shell (21) around a horizontal axis, adjusting electric push rods (41) are arranged on two sides of the water pan (4), a rod body of each adjusting electric push rod (41) is hinged to the shell (21) around the horizontal axis, and a piston rod of each adjusting electric push rod (41) is hinged to the water pan (4) around the horizontal axis.
4. The auger type solid-liquid separator according to claim 1, wherein: and a sealing plug (5) for sealing the water outlet (212) is arranged at the water outlet (212).
5. The auger type solid-liquid separator according to claim 4, wherein: the peripheral wall of the drainage port (212) is provided with a connecting internal thread (2121), and the peripheral surface of the sealing plug (5) is provided with a connecting external thread (51) which is in threaded engagement with the connecting internal thread (2121).
6. The auger type solid-liquid separator according to claim 1, wherein: the rack (1) comprises a base (11) and a lifting frame (12) arranged on the base (11), and the shell (21) is arranged on the lifting frame (12); a plurality of lifting electric push rods (13) are respectively arranged at the two ends of the bottom of the lifting frame (12); the piston rod of the lifting electric push rod (13) is vertically upward, the rod body of the lifting electric push rod (13) is fixedly connected with the base (11), and the piston rod of the lifting electric push rod (13) is fixedly connected with the lifting frame (12).
7. The auger type solid-liquid separator according to claim 6, wherein: the one end of casing (21) is articulated around horizontal axis and crane (12), the other end of casing (21) is provided with angle electric putter (14), the body of rod of angle electric putter (14) is articulated around horizontal axis and crane (12), the piston rod of angle electric putter (14) is articulated around horizontal axis and casing (21).
8. The auger type solid-liquid separator according to claim 1, wherein: a water inlet hopper (24) fixedly connected with the shell (21) is arranged at the water inlet (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197920.8U CN211536786U (en) | 2019-12-10 | 2019-12-10 | Auger type solid-liquid separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922197920.8U CN211536786U (en) | 2019-12-10 | 2019-12-10 | Auger type solid-liquid separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211536786U true CN211536786U (en) | 2020-09-22 |
Family
ID=72505243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922197920.8U Expired - Fee Related CN211536786U (en) | 2019-12-10 | 2019-12-10 | Auger type solid-liquid separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211536786U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023991A (en) * | 2021-03-17 | 2021-06-25 | 山东滨农科技有限公司 | System for treating high-concentration organic phosphorus wastewater and treatment process thereof |
| CN113277700A (en) * | 2021-06-07 | 2021-08-20 | 黔南高新区绿色化工技术研究院有限公司 | Solid-liquid separation system of aquaculture wastewater ammonia nitrogen treatment system |
| CN114180277A (en) * | 2021-12-07 | 2022-03-15 | 中国水产科学研究院渔业机械仪器研究所 | Spiral conveying type euphausia superba shrimp water separation device |
-
2019
- 2019-12-10 CN CN201922197920.8U patent/CN211536786U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113023991A (en) * | 2021-03-17 | 2021-06-25 | 山东滨农科技有限公司 | System for treating high-concentration organic phosphorus wastewater and treatment process thereof |
| CN113277700A (en) * | 2021-06-07 | 2021-08-20 | 黔南高新区绿色化工技术研究院有限公司 | Solid-liquid separation system of aquaculture wastewater ammonia nitrogen treatment system |
| CN114180277A (en) * | 2021-12-07 | 2022-03-15 | 中国水产科学研究院渔业机械仪器研究所 | Spiral conveying type euphausia superba shrimp water separation device |
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| GR01 | Patent grant | ||
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Granted publication date: 20200922 |