CN220149409U - Potato starch waste water preparation fat water device - Google Patents
Potato starch waste water preparation fat water device Download PDFInfo
- Publication number
- CN220149409U CN220149409U CN202321234258.9U CN202321234258U CN220149409U CN 220149409 U CN220149409 U CN 220149409U CN 202321234258 U CN202321234258 U CN 202321234258U CN 220149409 U CN220149409 U CN 220149409U
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- Prior art keywords
- stirring
- potato starch
- cylinder
- ventilation shaft
- water device
- Prior art date
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- 239000002351 wastewater Substances 0.000 title claims abstract description 43
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 26
- 229920001592 potato starch Polymers 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000003756 stirring Methods 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 50
- 239000003814 drug Substances 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 35
- 238000009423 ventilation Methods 0.000 claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000003337 fertilizer Substances 0.000 claims abstract description 16
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000005273 aeration Methods 0.000 claims description 15
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 14
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 14
- 241001330002 Bambuseae Species 0.000 claims description 14
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 14
- 239000011425 bamboo Substances 0.000 claims description 14
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 6
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 239000000523 sample Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 7
- 239000013049 sediment Substances 0.000 description 5
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000000084 colloidal system Substances 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 241001148471 unidentified anaerobic bacterium Species 0.000 description 2
- 238000004065 wastewater treatment Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 235000002595 Solanum tuberosum Nutrition 0.000 description 1
- 244000061456 Solanum tuberosum Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000009388 chemical precipitation Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003925 fat Substances 0.000 description 1
- 239000008394 flocculating agent Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 235000016709 nutrition Nutrition 0.000 description 1
- 230000035764 nutrition Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a potato starch wastewater preparation fertilizer water device which comprises a reaction cylinder and a cylinder cover clamped and fixed at the top of the reaction cylinder, wherein a liquid inlet pipe is arranged at the top of the side surface of the reaction cylinder, a drain pipe is arranged at the bottom of the reaction cylinder, a stirring ventilation shaft penetrating into the reaction cylinder is rotatably arranged in the middle of the top of the cylinder cover, a shell is covered outside the top of the stirring ventilation shaft, a first medicament adding box and a second medicament adding box are respectively arranged at two sides of the top surface of the cylinder cover, a driving rotating mechanism for driving the stirring ventilation shaft to rotate is arranged in the shell, an air compressor communicated with the stirring ventilation shaft is arranged at the top of the shell, a fixed material guiding disc is fixedly sleeved outside the top end of the stirring ventilation shaft in the reaction cylinder, and a plurality of stirring pieces are arranged at the lower end of the stirring ventilation shaft. This potato starch waste water preparation fat water device has improved the scope that the liquid medicine sprayed, and then makes the medicament mix with waste water from many places faster.
Description
Technical Field
The utility model belongs to the technical field of potato starch wastewater treatment, and particularly relates to a fertilizer and water preparation device for potato starch wastewater.
Background
The potato starch wastewater has complex components and contains a large amount of water-soluble substances such as sugar, protein, resin and the like, and also contains a few organic compounds such as soluble starch particles, cellulose, fat and the like, and has high COD (chemical oxygen demand) and BOD5 values, large water quantity and turbidity. Therefore, fertilizer water prepared from potato waste water has high nutrition.
At present, in the preparation process of potato starch wastewater, biochemical treatment is needed to be carried out on the wastewater, organic pollutants in a dissolved and colloid state in the wastewater are converted into harmless substances, and then the harmless COD and total phosphorus in the biochemical water are removed in the previous step through chemical precipitation treatment, so that the treated wastewater can be used for the fertilizer water, no matter in the biochemical treatment and precipitation treatment, a medicament is needed to be added to realize the treatment of the wastewater, the conventional treatment equipment, such as the potato starch wastewater harmless treatment device disclosed in the authorized publication No. CN205241421U, is adopted to be added into a tank body from one side of the tank body when the medicament is added, the mixture of the medicament and the wastewater in the tank body is gradually diffused to other positions from one place, the mixing efficiency of the medicament and the wastewater is low, and the preparation efficiency is further influenced.
Disclosure of Invention
The utility model aims to provide a potato starch wastewater preparation fertilizer water device for solving the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a potato starch waste water preparation fat water device, includes a reaction section of thick bamboo and joint are fixed the cover at reaction section of thick bamboo top, the feed liquor pipe is installed at the side top of reaction section of thick bamboo, the blow off pipe is installed at the bottom of reaction section of thick bamboo, the stirring vent shaft that runs through to in the reaction section of thick bamboo is installed in the middle of the top of cover to be covered with the shell in the top outside of stirring vent shaft, settle respectively in the top surface both sides of cover has first medicament to add case and second medicament to add the case, the inside of shell is equipped with the rotatory drive rotary mechanism of drive stirring vent shaft, and the air compressor with stirring vent shaft intercommunication is installed at the top of shell, the fixed guide disc that has cup jointed in the top outside of stirring vent shaft in reaction section of thick bamboo, a plurality of stirring piece is installed to the lower extreme of stirring vent shaft, the both ends of fixed guide disc all are connected with the medicament conveyer pipe, and the top surface rotation of fixed guide disc is connected with the carousel that is used for sealed to install respectively at the top surface both ends of carousel and is connected with first medicament to add case and second medicament to add the case, every the conveyer pipe bottom surface all installs a plurality of discharging pipes.
Preferably, a liquid discharge pipe for discharging liquid is installed on one side of the top surface of the cylinder cover in a sliding and penetrating mode, and an adjusting mechanism for adjusting the lifting of the liquid discharge pipe is installed on the side face of the reaction cylinder.
Preferably, the regulating mechanism comprises a liquid discharge cylinder arranged on one side of the reaction cylinder and a connecting plate fixed with the top end of a piston of the liquid discharge cylinder, the other end of the connecting plate is fixedly sleeved on the liquid discharge pipe, and a transparent observation window is arranged on one side of the liquid discharge pipe, which is positioned on the outer side surface of the reaction cylinder.
Preferably, solenoid valves are arranged at the top ends of the drain pipes and the top ends of the two conveying pipes.
Preferably, the driving and rotating mechanism comprises a motor fixed on the cylinder cover and gears arranged at the output shaft of the motor and the top end of the stirring ventilation shaft, wherein the two gears are in meshed connection.
Preferably, a pH monitoring probe is arranged on the inner wall of the reaction cylinder.
Preferably, the top surface of the fixed guide tray is symmetrically provided with two grooves, and the bottom surfaces of the two grooves are inclined, wherein the inclined bottom is communicated with the medicament delivery tube.
Preferably, the stirring piece comprises stirring gas transmission branch pipes connected to the outer side of the stirring ventilation shaft, a plurality of aeration heads are mounted at the upper end and the lower end of each stirring gas transmission branch pipe, and the aeration heads are communicated with the stirring ventilation shaft through the stirring gas transmission branch pipes.
The utility model has the technical effects and advantages that: compared with the existing device, the potato starch wastewater preparation fertilizer water device has the advantages that by arranging the stirring ventilation shaft, the fixed material guiding disc, the first medicament adding box, the driving rotation mechanism, the second medicament adding box, the medicament conveying pipe and the discharging pipe, when medicaments are required to be added after wastewater is poured into the reaction cylinder, the stirring ventilation shaft and the stirring piece can be driven to rotate by the driving rotation mechanism to stir the wastewater, and meanwhile, the stirring ventilation shaft can also drive the fixed material guiding disc to rotate, so that the medicaments conveyed in the medicament box can be sprayed in the reaction cylinder in a rotating way, the spraying range of liquid medicaments is improved, and then the medicaments are mixed with the wastewater from multiple places more quickly, so that the wastewater treatment efficiency is improved as much as possible; in addition, the lifting liquid discharge pipe is arranged on the cylinder cover and driven by the adjusting mechanism to lift, so that the height of the liquid discharge pipe can be adjusted according to the sediment height when the liquid discharge pipe discharges liquid in the reaction cylinder, and the liquid discharge is more convenient.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another view angle structure of the present utility model;
FIG. 3 is a front view of the present utility model in cross-section;
fig. 4 is a cross-sectional view of the present utility model.
In the figure: 1. a reaction cylinder; 2. a cylinder cover; 3. a liquid inlet pipe; 4. a blow-down pipe; 5. a first medicine adding box; 6. a second medicine adding box; 7. a housing; 8. an air compressor; 9. a liquid discharge pipe; 10. a liquid discharge cylinder; 11. a connecting plate; 12. a stirring ventilation shaft; 13. fixing a material guiding disc; 14. a medicament delivery tube; 15. a discharge pipe; 16. a material conveying pipe; 17. driving a rotating mechanism; 18. a pH monitoring probe; 19. stirring and conveying branch pipes; 20. an aeration head; 171. a motor; 172. a gear.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to a potato starch waste water preparation fat water device as shown in fig. 1, including a reaction section of thick bamboo 1 and joint is fixed at the cover 2 at reaction section of thick bamboo 1 top, and the bottom of reaction section of thick bamboo 1 is provided with the landing leg that is used for supporting, and reaction section of thick bamboo 1 also can change into cell body structure, and feed liquor pipe 3 is installed at reaction section of thick bamboo 1's side top for add waste water, and blow off pipe 4 is installed to reaction section of thick bamboo 1's bottom for discharge sediment.
Referring to fig. 2, in order to facilitate drainage of fat water, a drain pipe 9 for draining liquid is slidably installed through a top surface side of the cylinder cover 2, and an adjusting mechanism for adjusting elevation of the drain pipe 9 is installed at a side surface of the reaction cylinder 1 to adjust a bottom pipe orifice height of the drain pipe 9 according to a sediment height. The regulating mechanism comprises a liquid discharge cylinder 10 arranged on one side of the reaction cylinder 1 and a connecting plate 11 fixed on the top end of a piston of the liquid discharge cylinder 10, the other end of the connecting plate 11 is fixedly sleeved on the liquid discharge pipe 9, a transparent observation window is arranged on one side of the liquid discharge pipe 9 on the outer side surface of the reaction cylinder 1, and the height of the liquid discharge pipe 9 is conveniently regulated according to the observation position of the observation window.
Referring to fig. 2-3, a stirring ventilation shaft 12 penetrating into a reaction cylinder 1 is rotatably installed in the middle of the top of a cylinder cover 2, the stirring ventilation shaft 12 is hollow and open at the top, the stirring ventilation shaft 12 is installed on the cylinder cover 2 through a bearing, a shell 7 is covered outside the top of the stirring ventilation shaft 12, a first medicament adding box 5 and a second medicament adding box 6 are respectively arranged in two sides of the top surface of the cylinder cover 2, the first medicament adding box 5 is used for storing a pH regulator, the second medicament adding box 6 is used for storing a flocculating agent, a driving rotating mechanism 17 for driving the stirring ventilation shaft 12 to rotate is arranged in the shell 7, an air compressor 8 communicated with the stirring ventilation shaft 12 is installed at the top of the shell 7, an air outlet pipe of the air compressor 8 is rotatably connected with the stirring ventilation shaft 12, so that the rotation of the stirring ventilation shaft 12 is not influenced, a plurality of stirring pieces are installed at the lower end of the stirring ventilation shaft 12, a fixed guide disc 13 is fixedly sleeved outside the top end of the stirring ventilation shaft 12 in the reaction cylinder 1, and the stirring pieces follow the stirring ventilation shaft 12. The both ends of fixed guide tray 13 all are connected with medicament conveyer pipe 14, the top surface rotation of fixed guide tray 13 is connected with the carousel that is used for sealedly, and install the conveying pipeline 16 of connecting first medicament and add case 5 and second medicament and add case 6 respectively at the top surface both ends of carousel, fixed guide tray 13 top surface symmetry is equipped with two recesses, and two recess bottom surfaces slope, wherein the bottom and the medicament conveyer pipe 14 intercommunication of slope realize fixed guide tray 13 and medicament conveyer pipe 14's intercommunication, the carousel remains motionless under the pulling of conveying pipeline 16 simultaneously, thereby when fixed guide tray 13 rotates, conveying pipeline 16 bottom seals conveying pipeline 16 when the roof contact of fixed guide tray 13, when contacting with the recess of fixed guide tray 13, carry medicament to fixed guide tray 13, a plurality of discharging pipes 15 are all installed to the bottom surface of every medicament conveyer pipe 14.
Referring to fig. 3 and 4, solenoid valves are mounted on the top ends of the drain pipe 4 and the top ends of the two delivery pipes 16, and when the drain pipe 4 and the delivery pipes 16 are required to be opened, the drain pipe 4 and the delivery pipes 16 can be opened by controlling the solenoid valves to be opened and closed.
Referring to fig. 3 and 4, the driving rotation mechanism 17 includes a motor 171 fixed to the cover 2, and a gear 172 mounted on an output shaft of the motor 171 and on a top end of the stirring ventilation shaft 12, wherein the two gears 172 are engaged with each other, and when the motor 171 rotates, the stirring ventilation shaft 12 is rotated by engagement of the gears 172.
The pH monitoring probe 19 is installed on the inner wall of the reaction cylinder 1, and can monitor the pH of the wastewater, so that the pH of the wastewater can be adjusted as required.
Referring to fig. 4, the stirring member includes stirring gas supply branch pipes 19 connected to the outside of the stirring aeration shaft 12, a plurality of aeration heads 20 are mounted at the upper and lower ends of each stirring gas supply branch pipe 19, and the plurality of aeration heads 20 are communicated with the stirring aeration shaft 12 through the stirring gas supply branch pipes 19, so that air can be blown out from the aeration heads 20 through the stirring aeration shaft 12 and the stirring gas supply branch pipes 19 when the air compressor 8 is operated, and when the air compressor 8 is not operated, the stirring aeration shaft 12 is in a sealed state at this time, and reverse liquid entering from the aeration heads is avoided.
Specifically, in the potato starch wastewater preparation water fertilizer device, when fertilizer water is prepared, potato starch wastewater is filtered through a primary grid, poured into a reaction cylinder 1 through a liquid inlet pipe 3, water delivery is stopped until the wastewater is about to be filled in the reaction cylinder 1, namely, the wastewater is close to the bottom of the liquid inlet pipe 3, at the moment, a motor 171 and an electromagnetic valve at the lower end of a first medicament adding box 5 are started, the motor 171 drives a stirring ventilation shaft 12 and a stirring piece to stir the wastewater, a pH regulator is added into the first medicament adding box 5, the pH regulator is finally sprinkled into the reaction cylinder 1 through a conveying pipe 16 and a fixed material guide disc 13, so that the pH regulator is accelerated to be mixed with the wastewater, then, the motor 171 and the electromagnetic valve are closed when the pH is regulated to 4-5 according to the test result of a pH monitoring probe 19, at the moment, anaerobic bacteria species are added into the reaction cylinder 1, and organic matters in sludge are decomposed under the action of anaerobic bacteria, and organic pollutants in a dissolved and colloid state are converted into harmless matters;
after the anaerobic reaction is finished, the motor 171, the air compressor 8 and the electromagnetic valve at the lower end of the second reagent adding box 6 are started again, the motor 171 rotates to stir the wastewater in the reaction cylinder 1, meanwhile, the flocculant is conveyed into the fixed guide tray 13 through the second reagent adding box 6 and the conveying pipe 16, enters the reagent conveying pipe 14 through the fixed guide tray 13 and finally is sprayed out from the discharging pipe 15, the fixed guide tray 13 rotates along with the stirring ventilation shaft 12, so that the flocculant is comprehensively sprayed in the reaction cylinder 1, the mixing with the wastewater is accelerated, at the moment, the air compressor 8 works, the air is subjected to aeration treatment in the reaction cylinder 1 through the stirring ventilation shaft 12, the stirring conveying branch pipe and the aeration head 20, the wastewater and the flocculant are fully mixed, then the motor 171, the air compressor 8 and the electromagnetic valve are closed, the standing sediment is further removed, the prepared fertilizer water is discharged out from the liquid discharge pipe 9, the electromagnetic valve of the sewage discharge pipe 4 is opened, and the sediment is discharged from the sewage discharge pipe 4.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.
Claims (8)
1. The utility model provides a potato starch waste water preparation fat water device, includes reaction section of thick bamboo (1) and joint is fixed cover (2) at reaction section of thick bamboo (1) top, its characterized in that: the utility model provides a feed liquor pipe (3) is installed at side top of reaction tube (1), blow off pipe (4) are installed to the bottom of reaction tube (1), rotatory stirring vent shaft (12) that runs through in reaction tube (1) are installed in the middle of the top of cover (2) to top outside at stirring vent shaft (12) is covered with shell (7), settle respectively in the top surface both sides of cover (2) first medicament addition case (5) and second medicament addition case (6), the inside of shell (7) is equipped with drive rotation mechanism (17) that drive stirring vent shaft (12) rotated, air compressor (8) with stirring vent shaft (12) intercommunication are installed at the top of shell (7), stirring vent shaft (12) are located the top outside in reaction tube (1) and have fixedly sleeved fixed guide disc (13), and a plurality of stirring piece is installed to the lower extreme of stirring vent shaft (12), the both ends of fixed guide disc (13) all are connected with medicament delivery pipe (14), and the top surface of fixed guide disc (13) rotates and is connected with and is used for sealing the top surface of a plurality of medicament addition case (16) and installs in the top surface of every carousel (16) and adds medicament addition case (16) respectively.
2. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: a liquid discharge pipe (9) for discharging liquid is arranged on one side of the top surface of the cylinder cover (2) in a sliding penetrating mode, and an adjusting mechanism for adjusting the lifting of the liquid discharge pipe (9) is arranged on the side face of the reaction cylinder (1).
3. The potato starch wastewater preparing fertilizer water device according to claim 2, wherein: the regulating mechanism comprises a liquid discharge cylinder (10) arranged on one side of the reaction cylinder (1) and a connecting plate (11) fixed on the top end of a piston of the liquid discharge cylinder (10), the other end of the connecting plate (11) is fixedly sleeved on the liquid discharge pipe (9), and a transparent observation window is arranged on one side of the liquid discharge pipe (9) on the outer side surface of the reaction cylinder (1).
4. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: electromagnetic valves are arranged at the top ends of the blow-down pipes (4) and the top ends of the two conveying pipes (16).
5. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: the driving and rotating mechanism (17) comprises a motor (171) fixed on the cylinder cover (2) and gears (172) arranged on the output shaft of the motor (171) and the top end of the stirring ventilation shaft (12), wherein the two gears (172) are connected in a meshed mode.
6. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: the inner wall of the reaction cylinder (1) is provided with a pH monitoring probe (18).
7. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: the top surface of the fixed guide disc (13) is symmetrically provided with two grooves, the bottom surfaces of the two grooves are inclined, and the inclined bottom is communicated with the medicament delivery tube (14).
8. The potato starch wastewater preparing fertilizer water device according to claim 1, wherein: the stirring piece comprises stirring gas transmission branch pipes (19) connected to the outer side of the stirring ventilation shaft (12), a plurality of aeration heads (20) are mounted at the upper end and the lower end of each stirring gas transmission branch pipe (19), and the aeration heads (20) are communicated with the stirring ventilation shaft (12) through the stirring gas transmission branch pipes (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234258.9U CN220149409U (en) | 2023-05-22 | 2023-05-22 | Potato starch waste water preparation fat water device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234258.9U CN220149409U (en) | 2023-05-22 | 2023-05-22 | Potato starch waste water preparation fat water device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220149409U true CN220149409U (en) | 2023-12-08 |
Family
ID=89010448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234258.9U Active CN220149409U (en) | 2023-05-22 | 2023-05-22 | Potato starch waste water preparation fat water device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220149409U (en) |
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2023
- 2023-05-22 CN CN202321234258.9U patent/CN220149409U/en active Active
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