CN222312940U - A biological treatment device for wastewater from modified starch production - Google Patents
A biological treatment device for wastewater from modified starch production Download PDFInfo
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- CN222312940U CN222312940U CN202421045113.9U CN202421045113U CN222312940U CN 222312940 U CN222312940 U CN 222312940U CN 202421045113 U CN202421045113 U CN 202421045113U CN 222312940 U CN222312940 U CN 222312940U
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- 239000002351 wastewater Substances 0.000 title claims abstract description 59
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 20
- 229920000881 Modified starch Polymers 0.000 title claims abstract description 15
- 239000004368 Modified starch Substances 0.000 title claims abstract description 15
- 235000019426 modified starch Nutrition 0.000 title claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 40
- 238000003756 stirring Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 8
- 239000010865 sewage Substances 0.000 claims abstract description 5
- 239000002253 acid Substances 0.000 claims description 27
- 239000003513 alkali Substances 0.000 claims description 23
- 239000002585 base Substances 0.000 claims description 21
- 230000017525 heat dissipation Effects 0.000 claims description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 238000007790 scraping Methods 0.000 claims description 2
- 239000002699 waste material Substances 0.000 abstract description 5
- 229920002472 Starch Polymers 0.000 description 13
- 235000019698 starch Nutrition 0.000 description 13
- 239000008107 starch Substances 0.000 description 13
- 238000006386 neutralization reaction Methods 0.000 description 12
- 239000000243 solution Substances 0.000 description 11
- 239000010796 biological waste Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 6
- 239000011259 mixed solution Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 235000013373 food additive Nutrition 0.000 description 1
- 239000002778 food additive Substances 0.000 description 1
- 239000012770 industrial material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a modified starch production wastewater biological treatment device, which comprises a treatment bin, wherein the top of the treatment bin is communicated with a liquid adding bin, a sealing plate is arranged in the liquid adding bin, a liquid inlet is arranged in the liquid adding bin, the liquid inlet is communicated with the sealing plate, an acid-base detector is arranged at the top of the liquid adding bin, a stirring mechanism is arranged in the treatment bin, an acid-base liquid supply component is arranged in the liquid adding bin, one side of the treatment bin is communicated with an adjusting bin, a sealing mechanism is arranged in the adjusting bin, a filtering bin is communicated with the inside of the adjusting bin, a downward-inclined filter screen plate is arranged in the filtering bin, one side of the filtering bin is communicated with a sewage draining bin, the bottom of the sewage draining bin is communicated with a waste bin, and a wastewater collecting component is also communicated with the bottom of the filtering bin.
Description
Technical Field
The utility model belongs to the technical field of starch production wastewater treatment, and particularly relates to a modified starch production wastewater biological treatment device.
Background
Currently, starch is an important food additive and industrial material, and a large amount of starch waste water is generated in the starch processing process. The starch wastewater contains high-concentration organic matters and suspended matters, has strong acidity and alkalinity, and causes serious pollution to the environment. Therefore, reasonable treatment of starch wastewater becomes an environmental problem for the development of the starch industry. And starch wastewater has mainly the following characteristics:
The starch wastewater contains a large amount of starch molecules and other organic matters with high concentration, and the concentration of pollutants is generally high.
Suspended matters, namely, starch wastewater is also provided with a certain amount of suspended matters, and the suspended matters have adverse effects on the water body and cause the water body to be cloudy.
The pH value of the starch wastewater is generally slightly acidic or slightly alkaline, and the pH value needs to be adjusted to reach the environmental emission standard.
The existing starch production wastewater equipment can not effectively treat wastewater, only can treat the wastewater through a simple stirring and filtering mode, so that a large amount of suspended matter impurities are attached to the inner wall of a treatment bin, the wastewater cannot be cleaned, the neutralization operation of the wastewater cannot be performed, acid and alkali cannot be regulated to enable a wastewater solution to be mixed and reacted, pollutants cannot be thoroughly cleaned, the complete separation of biological waste residues and the wastewater cannot be realized, the cyclic treatment and the utilization cannot be performed, and the environment is seriously polluted.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides a biological treatment device for modified starch production wastewater, which aims to solve the problems in the prior art.
The modified starch production wastewater biological treatment device comprises a treatment bin, wherein the top of the treatment bin is communicated with a liquid adding bin, a sealing plate is arranged in the liquid adding bin, a liquid inlet is arranged in the liquid adding bin and communicated with the sealing plate, the liquid inlet is used for adding production wastewater, an acid-base detector is arranged at the top of the liquid adding bin, the pH value of solution in the treatment bin is detected by the acid-base detector, a stirring mechanism is arranged in the treatment bin, an acid-base liquid supply component is arranged in the liquid adding bin, the acid-base liquid supply component passes through a rotary cylinder and is arranged on a bottom plate at the bottom of the treatment bin, the neutralization operation of wastewater is carried out through the acid-base liquid supply component, one side of the treatment bin is communicated with an adjusting bin, a sealing mechanism is arranged in the adjusting bin, a filter bin is communicated with the inside of the adjusting bin, biological impurities in a mixed solution can be filtered through the filter screen, one side of the filter bin is communicated with a bin, the bottom of the waste bin is communicated with a sewage draining bin, and the waste water is communicated with the bottom of the waste water collecting component.
As an alternative scheme of the utility model, a heat dissipation bin is arranged outside the treatment bin, the heat dissipation bin surrounds the treatment bin in a circle, and a heat dissipation port is arranged for overall heat dissipation.
As an alternative scheme of the utility model, the stirring mechanism comprises a rotary drum, the rotary drum is arranged in a treatment box through a bearing seat, a first stirring rod is symmetrically arranged outside the rotary drum, a second stirring rod is symmetrically arranged on the rotary drum, a pinion is arranged at the bottom end of the rotary drum, a main gear is meshed with one side of the pinion, the main gear is arranged at the driving end of a motor, and the motor is fixed at the bottom of the treatment bin and drives the rotary drum to rotate rapidly.
As an alternative scheme of the utility model, the acid-base liquid supply assembly comprises an acid liquid tank, the acid liquid tank is arranged on a bottom plate at the bottom of the treatment bin, one side of the acid liquid tank is communicated with a first lifting pump, one end of the first lifting pump is connected with an acid liquid pipe, the acid liquid pipe penetrates through a rotary cylinder to be arranged on a sealing plate, an outlet of the acid liquid pipe penetrates through the sealing plate to enter the treatment bin, one side of the first lifting pump is also provided with a second lifting pump, one side of the second lifting pump is communicated with an alkali liquid tank, the alkali liquid tank is fixed on the bottom plate, the top of the second lifting pump is connected with an alkali liquid pipe, the alkali liquid pipe penetrates through the rotary cylinder to be arranged on the sealing plate, and the outlet of the alkali liquid pipe penetrates through the sealing plate to enter the treatment bin.
As an alternative scheme of the utility model, the sealing mechanism comprises a first electric cylinder, one side of an adjusting bin is arranged on the first electric cylinder, a sealing seat is connected to the pushing end of the first electric cylinder, the sealing seat is assembled at a liquid outlet of the processing bin, guide wheels are arranged on two sides of the sealing seat, a guide rail matched with the guide wheels is arranged in the adjusting bin, a hanging plate is arranged at the bottom of the sealing seat, a second electric cylinder is arranged at the top of the hanging plate, a limit baffle is arranged at the pushing end of the second electric cylinder, and a bevel scraping edge is arranged at the bottom of the limit baffle.
As an alternative scheme of the utility model, the wastewater collection assembly comprises a water collection bin, one side of the water collection bin is communicated with a wastewater tank through a water pipe, and the wastewater tank is arranged on a bottom plate.
The utility model provides a modified starch production wastewater biological treatment device, which has the following beneficial effects:
The rotary drum is driven by the motor to start rotating, the first rotary rod and the second rotary rod can be rapidly stirred, the pH value of the solution at the moment is detected by the acid-base detector, acid liquor is led into the treatment bin through the acid liquor pipe by the first lifting pump, acidic neutralization operation is carried out, alkali liquor is led into the treatment bin through the alkali liquor pipe by the second lifting pump, alkaline neutralization operation is carried out, a large amount of heat is generated in the mixed reaction process, continuous heat dissipation is carried out through the arranged heat dissipation bin, the operation safety is improved, after neutralization is completed, the sealing seat is driven by the arranged first electric cylinder to release mixed wastewater, the second electric cylinder is started again, the limit baffle is driven to be pressed down, biological waste residue impurities generated by the mixed solution reaction are concentrated through the filter screen, the biological waste residue impurities can be scraped to be cleaned into the waste bin through the bottom of the limit baffle, and the biological treatment is carried out in a concentrated manner, and thus the biological treatment of the wastewater is realized under the pollution-free condition.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a cross-sectional view A-A of the present utility model;
FIG. 4 is a B-B cross-sectional view of the present utility model;
Fig. 5 is a D-D cross-sectional view of fig. 4 in accordance with the present utility model.
In the figure, 1, a treatment bin, 101, a heat dissipation bin, 102, a sealing plate, 2, a bottom plate, 3, a liquid adding bin, 301, a liquid inlet, 302, an acid-base detector, 4, an adjusting bin, 5, a first electric cylinder, 501, a sealing seat, 5011, a guide wheel, 502, a lifting plate, 503, a second electric cylinder, 504, a limiting baffle, 6, a filtering bin, 601, a water collecting bin, 602, a filtering screen, 7, a pollution discharge bin, 8, a waste bin, 9, a rotary cylinder, 901, a first stirring rod, 902, a second stirring rod, 10, a bearing seat, 11, a motor, 111, a main gear, 112, a pinion, 12, an acid tank, 121, a first lifting pump, 122, an acid pipe, 13, an alkali tank, 131, a second lifting pump, 132, an alkali pipe, 14 and a waste water tank.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Referring to fig. 1 to 5, the utility model provides a technical scheme that the modified starch production wastewater biological treatment device comprises a treatment bin 1, wherein a heat dissipation bin 101 is arranged on the outer side of the treatment bin 1, the heat dissipation bin 101 surrounds the treatment bin 1 for a circle, a heat dissipation port is arranged for integral heat dissipation, a liquid adding bin 3 is communicated with the top of the treatment bin 1, a sealing plate 102 is arranged in the liquid adding bin 3, a liquid inlet 301 is arranged in the liquid adding bin 3, the liquid inlet 301 is communicated with the sealing plate 102 and is used for adding production wastewater, an acid-base detector 302 is arranged at the top of the liquid adding bin 3, the acid-base detector 302 is used for detecting the pH value of a solution in the treatment bin 1, and a stirring mechanism is arranged in the treatment bin 1 and can fully mix the wastewater and the added acid liquor or alkali liquor through the stirring mechanism so as to realize neutralization treatment.
The stirring mechanism comprises a rotary drum 9, the rotary drum 9 is arranged in a treatment box through a bearing seat 10, a first stirring rod 901 is symmetrically arranged outside the rotary drum 9, the first stirring rod 901 can perform stirring operation, the side wall of the treatment bin 1 can be cleaned, a second stirring rod 902 is symmetrically arranged on the rotary drum 9, the second stirring rod 902 can perform stirring operation and cleaning operation on the bottom of the treatment bin 1, sediment accumulation and settlement of biological treatment of wastewater are avoided, a secondary gear 112 is arranged at the bottom end of the rotary drum 9, a main gear 111 is meshed with one side of the secondary gear 112, the main gear 111 is arranged at the driving end of a motor 11, the motor 11 is fixed at the bottom of the treatment bin 1, the rotary drum 9 is driven by the motor 11 to perform rapid rotation, the stirring operation of the first stirring rod 901 and the second stirring rod 902 is realized, an acid-base liquid supply component is arranged in the liquid adding bin 3, the acid-base liquid supply component passes through the rotary drum 9 to be arranged on the bottom plate 2 at the bottom of the treatment bin 1, the neutralization operation of the wastewater is carried out through the acid-base liquid supply component, the acid-base liquid supply component comprises an acid liquid tank 12, the acid liquid tank 12 is arranged on the bottom plate 2 at the bottom of the treatment bin 1, one side of the acid liquid tank 12 is communicated with a first lifting pump 121, one end of the first lifting pump 121 is connected with an acid liquid pipe 122, the acid liquid pipe 122 passes through the rotary drum 9 to be arranged on a sealing plate 102, an outlet of the acid liquid pipe 122 passes through the sealing plate 102 to enter the treatment bin 1, one side of the first lifting pump 121 is also provided with a second lifting pump 131, one side of the second lifting pump 131 is communicated with an alkali liquid tank 13, the alkali liquid tank 13 is fixed on the bottom plate 2, the top of the second lifting pump 131 is connected with an alkali liquid pipe 132, the alkali liquid pipe 132 passes through the rotary drum 9 to be arranged on the sealing plate 102, and the outlet of the alkali liquid pipe 132 passes through the sealing plate 102 to enter the treatment bin 1, so that the acid-base liquid supply is mixed in the treatment bin 1, the neutralization operation is realized, one side of the treatment bin 1 is communicated with an adjusting bin 4, a sealing mechanism is arranged in the adjusting bin 4, stable mixing of the solution can be ensured through the sealing mechanism, and the mixed solution can be controlled to be discharged in a concentrated mode.
Sealing mechanism includes first electronic jar 5, first electronic jar 5 is installed and is adjusted storehouse 4 one side, first electronic jar 5 release end is connected with seal seat 501, seal seat 501 assembles the leakage fluid dram in handling storehouse 1, guide pulley 5011 is installed to seal seat 501 both sides, be provided with in the regulation storehouse 4 with guide pulley 5011 complex guide rail, thereby improve the removal stability, seal seat 501 bottom is provided with hanging plate 502, hanging plate 502 top is provided with second electronic jar 503, second electronic jar 503 release end is provided with limit baffle 504, limit baffle 504 bottom is provided with the dog-ear and scrapes the limit, not only can carry out the manger plate spacing, can carry out the clearance of precipitate, adjust the inside intercommunication in storehouse 4 and have filter house 6, be provided with the filter screen 602 of downward sloping in the filter house 6, biological impurity in the mixed solution can be filtered through filter screen 602.
The filter bin 6 one side intercommunication has blowdown storehouse 7, and blowdown storehouse 7 bottom intercommunication waste bin 8 for concentrate and collect biological waste residue, the filter bin 6 bottom still communicates and has waste water collection subassembly, is used for collecting filterable waste water, and waste water collection subassembly includes water collecting bin 601, and water collecting bin 601 one side is through water pipe intercommunication waste water tank 14, and waste water tank 14 is installed on bottom plate 2, can collect filterable waste water, centralized processing.
The specific use mode and the action of the embodiment are that a worker intensively guides modified starch production wastewater into a liquid inlet 301 until a treatment bin 1, a motor 11 is started to drive a rotary drum 9 to start rotating, a first rotary drum and a second rotary drum can be rapidly stirred, the pH value of the solution at the moment is detected by an acid-base detector 302, according to the actual condition, when the pH value is greater than 7, acid liquid starts to be added, a first lifting pump 121 is started, the acid liquid is guided into the treatment bin 1 through an acid liquid pipe 122 to perform neutralization operation, when the pH value is less than 7, a second lifting pump 131 is started, alkali liquid is guided into the treatment bin 1 through an alkali liquid pipe 132 to perform neutralization operation, a large amount of heat is generated in the mixing reaction during the neutralization operation, continuous heat dissipation is performed through the heat dissipation bin 101, the operation safety is improved, after the neutralization is completed, a first electric cylinder 5 is started, a sealing seat 501 is driven to release the mixed wastewater, a second electric cylinder 503 is started, a limit baffle 504 is driven to be pressed down, biological waste residue impurities generated by the mixed solution reaction are intensively filtered through a filter screen 602, the waste water tank 14 is intensively collected, the biological waste residue 504 is scraped to the waste water at the bottom of the limit baffle 8, and the waste water is intensively cleaned under the condition of no pollution.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
It should be noted that the above-mentioned embodiments are merely for illustrating the technical solution of the present utility model, and not for limiting the same, and although the present utility model has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that the technical solution described in the above-mentioned embodiments may be modified or some technical features may be equivalently replaced, and these modifications or substitutions do not make the essence of the corresponding technical solution deviate from the spirit and scope of the technical solution of the embodiments of the present utility model.
Claims (6)
1. A modified starch production wastewater biological treatment device is characterized by comprising a treatment bin (1), wherein a liquid adding bin (3) is communicated with the top of the treatment bin (1), a sealing plate (102) is arranged in the liquid adding bin (3), a liquid inlet (301) is arranged in the liquid adding bin (3), the liquid inlet (301) is communicated with the sealing plate (102) and is used for adding production wastewater, an acid-base detector (302) is arranged at the top of the liquid adding bin (3), the acid-base detector (302) is used for detecting the pH value of a solution in the treatment bin (1), a stirring mechanism is arranged in the treatment bin (1), an acid-base liquid supply component is arranged in the liquid adding bin (3), the acid-base liquid supply component penetrates through a rotary drum (9) and is arranged on a bottom plate (2) at the bottom of the treatment bin (1), a sealing mechanism is arranged in the treatment bin (4) in a communication mode, a filter screen plate (6) is communicated with the inside the adjustment bin (4), a filter screen plate (6) is arranged in the filter bin (6), the filter screen plate (7) is communicated with the filter screen plate (602) in a sewage draining mode, the filter bin (7) is communicated with the sewage draining bin (7), the bottom of the filtering bin (6) is also communicated with a wastewater collection assembly.
2. The modified starch production wastewater biological treatment device according to claim 1, wherein a heat dissipation bin (101) is arranged on the outer side of the treatment bin (1), the heat dissipation bin (101) surrounds the treatment bin (1) in a circle, and heat dissipation ports are arranged for integral heat dissipation.
3. The modified starch production wastewater biological treatment device according to claim 1, wherein the stirring mechanism comprises a rotary drum (9), the rotary drum (9) is installed in a treatment box through a bearing seat (10), a first stirring rod (901) is symmetrically installed outside the rotary drum (9), a second stirring rod (902) is symmetrically installed on the rotary drum (9), a secondary gear (112) is installed at the bottom end of the rotary drum (9), a main gear (111) is meshed with one side of the secondary gear (112), the main gear (111) is installed at the driving end of a motor (11), the motor (11) is fixed at the bottom of the treatment box (1), and the rotary drum (9) is driven to rotate rapidly through the motor (11).
4. The modified starch production wastewater biological treatment device according to claim 1, wherein the acid-base liquid supply assembly comprises an acid liquid tank (12), the acid liquid tank (12) is arranged on a bottom plate (2) at the bottom of the treatment bin (1), one side of the acid liquid tank (12) is communicated with a first lifting pump (121), one end of the first lifting pump (121) is connected with an acid liquid pipe (122), the acid liquid pipe (122) passes through a rotary drum (9) to be arranged on the sealing plate (102), an outlet of the acid liquid pipe (122) passes through the sealing plate (102) to enter the treatment bin (1), one side of the first lifting pump (121) is also provided with a second lifting pump (131), one side of the second lifting pump (131) is communicated with an alkali liquid tank (13), the alkali liquid tank (13) is fixed on the bottom plate (2), the top of the second lifting pump (131) is connected with an alkali liquid pipe (132), the alkali liquid pipe (132) passes through the rotary drum (9) to be arranged on the sealing plate (102), and an outlet of the alkali liquid pipe (132) passes through the sealing plate (102) to enter the treatment bin (1).
5. The modified starch production wastewater biological treatment device according to claim 1, wherein the sealing mechanism comprises a first electric cylinder (5), one side of an adjusting bin (4) is installed on the first electric cylinder (5), a sealing seat (501) is connected to the pushing end of the first electric cylinder (5), the sealing seat (501) is assembled on a liquid outlet of the treating bin (1), guide wheels (5011) are installed on two sides of the sealing seat (501), guide rails matched with the guide wheels (5011) are arranged in the adjusting bin (4), a lifting plate (502) is arranged at the bottom of the sealing seat (501), a second electric cylinder (503) is arranged at the top of the lifting plate (502), a limit baffle (504) is arranged at the pushing end of the second electric cylinder (503), and a bevel scraping edge is arranged at the bottom of the limit baffle (504).
6. The biological treatment device for the modified starch production wastewater, as claimed in claim 1, wherein the wastewater collection assembly comprises a water collection bin (601), one side of the water collection bin (601) is communicated with a wastewater tank (14) through a water pipe, and the wastewater tank (14) is arranged on the bottom plate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421045113.9U CN222312940U (en) | 2024-05-14 | 2024-05-14 | A biological treatment device for wastewater from modified starch production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421045113.9U CN222312940U (en) | 2024-05-14 | 2024-05-14 | A biological treatment device for wastewater from modified starch production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222312940U true CN222312940U (en) | 2025-01-07 |
Family
ID=94102988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421045113.9U Active CN222312940U (en) | 2024-05-14 | 2024-05-14 | A biological treatment device for wastewater from modified starch production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222312940U (en) |
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2024
- 2024-05-14 CN CN202421045113.9U patent/CN222312940U/en active Active
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