CN219823940U - Waste water treatment mechanism for camphorsulfonic acid preparation - Google Patents
Waste water treatment mechanism for camphorsulfonic acid preparation Download PDFInfo
- Publication number
- CN219823940U CN219823940U CN202321088599.XU CN202321088599U CN219823940U CN 219823940 U CN219823940 U CN 219823940U CN 202321088599 U CN202321088599 U CN 202321088599U CN 219823940 U CN219823940 U CN 219823940U
- Authority
- CN
- China
- Prior art keywords
- pretreatment tank
- wall
- camphorsulfonic acid
- treatment mechanism
- filter screen
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- MIOPJNTWMNEORI-GMSGAONNSA-N (S)-camphorsulfonic acid Chemical compound C1C[C@@]2(CS(O)(=O)=O)C(=O)C[C@@H]1C2(C)C MIOPJNTWMNEORI-GMSGAONNSA-N 0.000 title claims abstract description 22
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 21
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 238000002360 preparation method Methods 0.000 title claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 24
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims description 31
- 239000007788 liquid Substances 0.000 claims description 13
- 238000003756 stirring Methods 0.000 claims description 10
- 238000003860 storage Methods 0.000 claims description 9
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 239000002351 wastewater Substances 0.000 abstract description 27
- 239000012535 impurity Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 230000003472 neutralizing effect Effects 0.000 description 12
- 239000003795 chemical substances by application Substances 0.000 description 10
- 239000003814 drug Substances 0.000 description 7
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 241000723346 Cinnamomum camphora Species 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 229960000846 camphor Drugs 0.000 description 2
- 229930008380 camphor Natural products 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 240000002768 Alpinia galanga Species 0.000 description 1
- 235000006887 Alpinia galanga Nutrition 0.000 description 1
- 241000218195 Lauraceae Species 0.000 description 1
- 241000779819 Syncarpia glomulifera Species 0.000 description 1
- 244000082946 Tarchonanthus camphoratus Species 0.000 description 1
- 235000005701 Tarchonanthus camphoratus Nutrition 0.000 description 1
- 241000234299 Zingiberaceae Species 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 238000006356 dehydrogenation reaction Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000001739 pinus spp. Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229940085790 synthetic camphor Drugs 0.000 description 1
- 229940036248 turpentine Drugs 0.000 description 1
- 239000000341 volatile oil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Water Treatment By Sorption (AREA)
Abstract
The utility model relates to a wastewater treatment mechanism for preparing camphorsulfonic acid, which comprises a pretreatment tank, wherein a water inlet pipe is fixedly arranged on the outer wall of the pretreatment tank and positioned at the upper end of the pretreatment tank, clamping blocks are fixedly arranged on the inner wall of the pretreatment tank and positioned at the front end and the rear end of the pretreatment tank, a mounting frame is slidably arranged in the middle of each clamping block, sliding grooves are formed in the inner wall of each mounting frame and positioned at the front end and the rear end of each mounting frame, three groups of sliding grooves are linearly arranged, coarse filter screens are slidably arranged in the inner parts of the sliding grooves and positioned at the lower end surfaces of the mounting frames, fine filter screens are slidably arranged on one side of each coarse filter screen and positioned in the sliding grooves, and an active carbon plate is slidably arranged in one side of each fine filter screen and positioned in the sliding groove, so that a user can discharge wastewater for preparing camphorsulfonic acid into the pretreatment tank and sequentially filter the coarse filter screens, the fine filter screens and the active carbon plates, and impurities in the wastewater treatment device.
Description
Technical Field
The utility model relates to the technical field of camphorsulfonic acid preparation mechanisms, in particular to a wastewater treatment mechanism for camphorsulfonic acid preparation.
Background
Camphor is mainly present in camphor tree plant camphor wood, ginger family plant and alpinia galanga seed, and is an indispensable raw material for medical, daily and national defense industries. Camphor is largely divided into two major classes, natural and synthetic, depending on its source. Natural camphor is mainly extracted from essential oil of Lauraceae plant, and generally has right optical activity; the synthetic camphor is prepared from turpentine through main chemical reaction processes such as isomerization, acetic acid addition esterification, hydrolysis, dehydrogenation and the like, is a racemate, and camphorsulfonic acid is a derivative of camphor, has a chiral corresponding body structure, can be divided into a left-handed structure and a right-handed structure according to the optical characteristics of the chiral corresponding body structure, is widely applied to industries such as medicine, light industry, daily chemical industry and the like, and can not discharge a large amount of wastewater in the preparation process of camphorsulfonic acid, and the direct discharge can affect the environment, so that a treatment mechanism is needed, a filter screen is needed to filter the wastewater in the pretreatment process of the wastewater, but most of the filter screens of the wastewater treatment mechanism in the prior art are not easy to detach and clean in the shell; and the chemical reagent for neutralizing the pollutants in the wastewater is difficult to fuse with the wastewater, so that the wastewater treatment effect is poor, and the utility model provides a new solution to the problems.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides a wastewater treatment mechanism for preparing camphorsulfonic acid, which aims to solve the technical problems in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a camphorsulfonic acid preparation is with waste water treatment mechanism, includes the pretreatment tank, just be located the upper end on the outer wall of pretreatment tank and be fixed with the inlet tube, the joint piece is all fixed to be equipped with in both ends around on the inner wall of pretreatment tank and be located, the intermediate position slip of joint piece is equipped with the installing frame, the spout has all been seted up at both ends around and on the inner wall of installing frame, the spout is provided with three and becomes linear arrangement, the inside of spout just is located the lower terminal surface slip of installing frame and is equipped with coarse filter screen, one side of coarse filter screen just is located the inside slip of spout and is equipped with thin filter screen, one side of thin filter screen just is located the inside slip of spout and is equipped with the active carbon plate, the mounting hole has all been seted up to the up end of coarse filter screen, thin filter screen and active carbon plate, the mounting hole has been seted up to the up correspondingly in up the up on the up end of installing frame, the inside of mounting hole and fixed orifices all is equipped with set screw.
Preferably, the outer wall of the pretreatment tank is fixedly provided with a connecting pipe at the lower end, the connecting pipe is provided with a pump body, one side of the pretreatment tank is provided with a reaction barrel, the upper end surface of the reaction barrel is provided with a cover body, the other end of the connecting pipe penetrates through the cover body and is positioned in the reaction barrel, the upper end surface of the cover body is fixedly provided with a support, and the upper end surface of the support is provided with a motor, so that wastewater after pretreatment enters the reaction barrel conveniently.
In a further preferred aspect, the output end of the motor is provided with a first rotating shaft, the middle position of the cover body is rotationally provided with a second rotating shaft, belt pulleys are arranged on the first rotating shaft and the second rotating shaft, belts are arranged on the belt pulleys, stirring blades are fixedly arranged on the outer walls of the first rotating shaft and the second rotating shaft and positioned in the reaction barrel, and the stirring blades are convenient for stirring wastewater and neutralizing agents.
In a further preferred aspect, the liquid adding tube is fixedly arranged on the outer wall of the reaction barrel and positioned at the upper end, the storage tank is fixedly arranged on the upper end surface of the liquid adding tube, and the electromagnetic valve is arranged on the liquid adding tube, so that the medicament is convenient to enter the reaction barrel.
In a further preferred embodiment, a scale is provided on the outer wall of the storage tank, so as to control the adding amount of the medicament.
In a further preferred aspect, a discharge pipe is fixedly arranged on the outer wall of the reaction barrel and positioned at the lower end, and a valve is arranged on the discharge pipe, so that the treated wastewater can be discharged conveniently.
In a further preferred embodiment, the upper end surfaces of the fixing screws are respectively and fixedly provided with a vertical plate, so that the fixing screws are convenient to detach.
Compared with the prior art, the utility model provides a waste water treatment mechanism for preparing camphorsulfonic acid, which has the following beneficial effects:
1. according to the utility model, through arranging the pretreatment tank, the clamping blocks, the mounting frame, the sliding chute, the coarse filter screen, the fine filter screen, the active carbon plate and the fixing screws, a user can discharge the wastewater for preparing camphorsulfonic acid into the pretreatment tank and sequentially filter the wastewater through the coarse filter screen, the fine filter screen and the active carbon plate so as to treat impurities in the wastewater, when the coarse filter screen, the fine filter screen and the active carbon plate are required to be disassembled, the mounting frame can be slid and taken out firstly, and then the fixing screws are disassembled, so that the coarse filter screen, the fine filter screen and the active carbon plate can be slid and taken out at the moment, and the wastewater is convenient to clean;
2. according to the utility model, the reaction barrel, the cover body, the bracket, the motor, the first rotating shaft, the second rotating shaft, the belt pulley, the belt and the stirring blade are arranged, so that a user can firstly add a medicament for neutralizing wastewater into the reaction barrel, then the motor is started to rotate the belt pulley, and then the first rotating shaft and the second rotating shaft are driven to rotate, so that the wastewater and the neutralizing medicament are stirred to be fully mixed, and the wastewater treatment effect is improved;
3. according to the utility model, the liquid adding pipe, the storage tank, the electromagnetic valve and the graduated scale are arranged on the reaction barrel, so that a user can firstly add the neutralizing agent into the storage tank in advance, when the neutralizing agent needs to be treated, the electromagnetic valve is opened to enable the neutralizing agent to enter the reaction barrel through the liquid adding pipe, the treatment efficiency of wastewater is improved, and the addition amount of the neutralizing agent can be controlled through the graduated scale, so that the neutralizing agent is convenient to use.
Drawings
FIG. 1 is a schematic diagram showing the overall structure of a wastewater treatment mechanism for camphorsulfonic acid production in the present utility model;
FIG. 2 is an exploded view of the installation of the mounting frame, coarse filter screen, fine filter screen, activated carbon plate and fixing screws of the present utility model;
FIG. 3 is a schematic view of the installation of a motor, a first shaft, a second shaft, pulleys, belts and stirring vanes in the present utility model;
FIG. 4 is a schematic diagram of the installation of the filling pipe, the storage tank and the electromagnetic valve in the utility model;
FIG. 5 is a schematic view of the location of a clamping block on a pretreatment tank according to the present utility model.
In the figure: 1. a pretreatment pool; 2. a water inlet pipe; 3. a clamping block; 4. a mounting frame; 5. a chute; 6. a coarse filter screen; 7. a fine filter screen; 8. an activated carbon plate; 9. a mounting hole; 10. a fixing hole; 11. a fixing screw; 12. a connecting pipe; 13. a pump body; 14. a reaction barrel; 15. a cover body; 16. a bracket; 17. a motor; 18. a first rotating shaft; 19. a second rotating shaft; 20. a belt pulley; 21. a belt; 22. stirring blades; 23. a liquid adding tube; 24. a storage tank; 25. an electromagnetic valve; 26. a graduated scale; 27. a discharge pipe; 28. a valve; 29. and a vertical plate.
Description of the embodiments
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.
Examples
Referring to fig. 1-5, a waste water treatment mechanism for camphorsulfonic acid preparation comprises a pretreatment tank 1, wherein a water inlet pipe 2 is fixedly arranged on the outer wall of the pretreatment tank 1 and positioned at the upper end, clamping blocks 3 are fixedly arranged on the inner wall of the pretreatment tank 1 and positioned at the front end and the rear end, a mounting frame 4 is slidably arranged in the middle of the clamping blocks 3, sliding grooves 5 are respectively arranged at the front end and the rear end on the inner wall of the mounting frame 4, three groups of sliding grooves 5 are linearly arranged, a coarse filter screen 6 is slidably arranged in the inner part of the sliding grooves 5 and positioned at the lower end surface of the mounting frame 4, a fine filter screen 7 is slidably arranged on one side of the coarse filter screen 6 and positioned in the sliding grooves 5, an activated carbon plate 8 is slidably arranged in the inner part of the fine filter screen 7, mounting holes 9 are respectively formed in the upper end surfaces of the coarse filter screen 6, the fine filter screen 7 and the activated carbon plate 8, fixing holes 10 are correspondingly formed in the upper end surfaces of the mounting frame 4, and fixing screws 11 are respectively arranged in the inner parts of the mounting holes 9 and the fixing holes 10.
In this embodiment, a connecting pipe 12 is fixedly arranged on the outer wall of the pretreatment tank 1 and positioned at the lower end, a pump body 13 is arranged on the connecting pipe 12, a reaction barrel 14 is arranged on one side of the pretreatment tank 1, a cover body 15 is arranged on the upper end face of the reaction barrel 14, the other end of the connecting pipe 12 penetrates through the cover body 15 and is positioned in the reaction barrel 14, a bracket 16 is fixedly arranged on the upper end face of the cover body 15, a motor 17 is arranged on the upper end face of the bracket 16, and a user can enable wastewater to enter the reaction barrel 14 by opening the pump body 13.
In this embodiment, the output end of the motor 17 is provided with a first rotating shaft 18, the middle position of the cover 15 is rotatably provided with a second rotating shaft 19, the first rotating shaft 18 and the second rotating shaft 19 are respectively provided with a belt 21 wheel 20, the belt 21 wheels 20 are respectively provided with a belt 21, the outer walls of the first rotating shaft 18 and the second rotating shaft 19 are respectively and fixedly provided with a stirring blade 22, and the stirring blades 22 are positioned in the reaction barrel 14, so that the mixing effect of the wastewater and the medicament can be better by arranging two groups of stirring blades 22.
In this embodiment, a liquid adding tube 23 is fixedly arranged on the outer wall of the reaction barrel 14 and at the upper end, a storage tank 24 is fixedly arranged on the upper end surface of the liquid adding tube 23, a solenoid valve 25 is arranged on the liquid adding tube 23, and a user can make the medicament enter the reaction barrel 14 by opening the solenoid valve 25.
In this embodiment, a scale 26 is provided on the outer wall of the reservoir 24 to allow the amount of the chemical to be added to be checked.
In this embodiment, a discharge pipe 27 is fixedly provided on the outer wall of the reaction tub 14 at the lower end, a valve 28 is provided on the discharge pipe 27, and a user can discharge the treated wastewater by opening the valve 28.
In this embodiment, the upper end surfaces of the fixing screws 11 are each fixedly provided with a vertical plate 29, and a user can detach the fixing screws 11 through the vertical plates 29.
Examples
In sum, when in use, the user can firstly discharge the wastewater for preparing camphorsulfonic acid into the pretreatment tank 1 and sequentially filter the wastewater through the coarse filter screen 6, the fine filter screen 7 and the activated carbon plate 8 so as to treat the impurities in the wastewater, when the coarse filter screen 6, the fine filter screen 7 and the activated carbon plate 8 are required to be disassembled, the mounting frame 4 can be firstly slid out from the middle position of the clamping block 3, then the fixing screw 11 is disassembled through the vertical plate 29, at the moment, the coarse filter screen 6, the fine filter screen 7 and the activated carbon plate 8 can be slid out, the wastewater can be conveniently cleaned, the filtered wastewater can enter the reaction tank 14 by opening the pump body 13, at the moment, the user can neutralize the wastewater by opening the electromagnetic valve 25 to enable the neutralizing agent to enter the reaction tank 14 through the liquid adding pipe 23, and after the adding amount of the agent is controlled through setting the scale 26, the belt 21 wheel 20 can be rotated through opening the motor 17, then the first rotating shaft 18 and the second rotating shaft 19 can be driven to rotate, the neutralizing agent is well mixed, and then the wastewater can be fully treated through the assigned position after the neutralizing agent is fully stirred, and the wastewater can be discharged into the wastewater treatment tank 27.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The utility model provides a camphorsulfonic acid preparation is with waste water treatment mechanism, includes pretreatment tank (1), its characterized in that: the utility model discloses a pretreatment tank, including pretreatment tank (1) and fixed inlet tube (2) that are equipped with in the outer wall of pretreatment tank (1), just be located on the inner wall of pretreatment tank (1) and both ends all are fixed around being equipped with joint piece (3), the intermediate position slip of joint piece (3) is equipped with installing frame (4), spout (5) have all been seted up at both ends around and on the inner wall of installing frame (4), spout (5) are provided with three and become linear arrangement, the inside of spout (5) just is located the lower terminal surface slip of installing frame (4) and is equipped with coarse filter screen (6), one side of coarse filter screen (6) just is located the inside slip of spout (5) and is equipped with fine filter screen (7), one side of fine filter screen (7) just is located the inside slip of spout (5) and is equipped with active carbon plate (8), mounting hole (9) have all been seted up to the up on the up terminal surface of installing frame (4), mounting hole (10) and inside of mounting hole (9) and active carbon plate (8) are equipped with fixed screw (11).
2. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 1, wherein: the pretreatment tank is characterized in that a connecting pipe (12) is fixedly arranged on the outer wall of the pretreatment tank (1) and positioned at the lower end of the pretreatment tank, a pump body (13) is arranged on the connecting pipe (12), a reaction barrel (14) is arranged on one side of the pretreatment tank (1), a cover body (15) is arranged on the upper end face of the reaction barrel (14), the other end of the connecting pipe (12) penetrates through the cover body (15) and is positioned in the reaction barrel (14), a support (16) is fixedly arranged on the upper end face of the cover body (15), and a motor (17) is arranged on the upper end face of the support (16).
3. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 2, wherein: the output of motor (17) is equipped with first pivot (18), the intermediate position rotation of lid (15) is equipped with second pivot (19), all be equipped with belt (21) round (20) on first pivot (18) and second pivot (19), all be equipped with belt (21) on belt (21) round (20), on the outer wall of first pivot (18) and second pivot (19), and be located the inside of reaction barrel (14) all fixed stirring vane (22) that are equipped with.
4. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 2, wherein: the reaction barrel is characterized in that a liquid adding pipe (23) is fixedly arranged on the outer wall of the reaction barrel (14) and positioned at the upper end, a storage tank (24) is fixedly arranged on the upper end face of the liquid adding pipe (23), and an electromagnetic valve (25) is arranged on the liquid adding pipe (23).
5. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 4, wherein: the outer wall of the storage tank (24) is provided with a graduated scale (26).
6. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 2, wherein: a discharge pipe (27) is fixedly arranged on the outer wall of the reaction barrel (14) and at the lower end, and a valve (28) is arranged on the discharge pipe (27).
7. The wastewater treatment mechanism for camphorsulfonic acid production according to claim 1, wherein: the upper end faces of the fixing screws (11) are fixedly provided with vertical plates (29).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321088599.XU CN219823940U (en) | 2023-05-09 | 2023-05-09 | Waste water treatment mechanism for camphorsulfonic acid preparation |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321088599.XU CN219823940U (en) | 2023-05-09 | 2023-05-09 | Waste water treatment mechanism for camphorsulfonic acid preparation |
Publications (1)
Publication Number | Publication Date |
---|---|
CN219823940U true CN219823940U (en) | 2023-10-13 |
Family
ID=88273988
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321088599.XU Active CN219823940U (en) | 2023-05-09 | 2023-05-09 | Waste water treatment mechanism for camphorsulfonic acid preparation |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN219823940U (en) |
-
2023
- 2023-05-09 CN CN202321088599.XU patent/CN219823940U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN219823940U (en) | Waste water treatment mechanism for camphorsulfonic acid preparation | |
CN213865695U (en) | A sewage purification preprocessing device for rural area | |
CN216191536U (en) | Energy-concerving and environment-protective type sewage treatment plant | |
CN214243984U (en) | Novel sewage treatment equipment | |
CN219167777U (en) | Foam eliminating device | |
CN220758159U (en) | Industrial wastewater treatment device | |
CN221093802U (en) | Medicament sprinkler for sewage treatment | |
CN220969464U (en) | A filter equipment for epoxy production | |
CN219128462U (en) | Chemical solution mixing filter | |
CN212954454U (en) | Flocculating agent agitating unit | |
CN221810320U (en) | Purification treatment device for oilfield fracturing flowback fluid | |
CN220520258U (en) | Coal chemical industry oil synthesis effluent treatment plant | |
CN220550184U (en) | Stirring mechanism for purifying bioactive substances | |
CN213569569U (en) | A device for chemical industry sewage treatment | |
CN221618757U (en) | Automatic water quality and quantity control device | |
CN220780115U (en) | Sewage treatment agent adding and mixing device for sewage treatment | |
CN219376850U (en) | Mixing arrangement for water treatment | |
CN212864366U (en) | Wastewater treatment device with stirring mechanism | |
CN221662690U (en) | Pretreatment device for coal chemical wastewater | |
CN219567608U (en) | Sewage treatment device capable of mixing liquid medicine | |
CN218968880U (en) | Secondary dosing wastewater treatment tank | |
CN216273443U (en) | Wastewater treatment device with sterilization and disinfection mechanism | |
CN221808402U (en) | Wastewater treatment device with stirring structure | |
CN220351903U (en) | Sewage treatment machine | |
CN220334997U (en) | Sewage cyclic utilization device for municipal administration |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |