CN220745625U - Waste water treatment device for propylene glycol processing - Google Patents
Waste water treatment device for propylene glycol processing Download PDFInfo
- Publication number
- CN220745625U CN220745625U CN202322372654.4U CN202322372654U CN220745625U CN 220745625 U CN220745625 U CN 220745625U CN 202322372654 U CN202322372654 U CN 202322372654U CN 220745625 U CN220745625 U CN 220745625U
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- China
- Prior art keywords
- wastewater
- purifying box
- fixedly connected
- reaction cylinder
- drain pipe
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- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 title claims abstract description 51
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 20
- 239000002351 wastewater Substances 0.000 claims abstract description 58
- 238000006243 chemical reaction Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 18
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 16
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 14
- 238000001914 filtration Methods 0.000 claims abstract description 12
- 238000003756 stirring Methods 0.000 claims description 19
- 238000007789 sealing Methods 0.000 claims description 16
- 238000000746 purification Methods 0.000 claims description 11
- 239000007800 oxidant agent Substances 0.000 claims description 10
- 230000001590 oxidative effect Effects 0.000 claims description 9
- 238000001179 sorption measurement Methods 0.000 claims description 9
- 230000000007 visual effect Effects 0.000 claims description 5
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 10
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008569 process Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 5
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000007599 discharging Methods 0.000 abstract description 3
- 239000008213 purified water Substances 0.000 abstract description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010170 biological method Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 238000006467 substitution reaction 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
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- Removal Of Specific Substances (AREA)
Abstract
The utility model discloses a wastewater treatment device for propylene glycol processing, which comprises a reaction cylinder, a purifying box and a uniform component, and belongs to the technical field of wastewater treatment; according to the utility model, the wastewater fully reacted in the reaction cylinder is discharged into the purifying box through the drain pipe, in the process of discharging the wastewater through the drain pipe, the guide disc is driven by the fixing rod to block the wastewater preferentially, so that the wastewater is dispersed and falls down under the action of the guide disc and a plurality of through holes, the dispersed wastewater is filtered by the filter plate, impurities on the upper surface of the filter plate are cleaned by disassembling the fixing plate A, the filtered wastewater is discharged into purified water through the discharge pipe after being adsorbed by the active carbon layer, the wastewater discharged from the drain pipe is blocked and dispersed preferentially through the uniform component, and the technical effects of larger impact on the filter plate caused by direct discharge of the wastewater, shortened service life of the filter plate and reduced wastewater filtering effect are avoided.
Description
Technical Field
The utility model belongs to the technical field of wastewater treatment, and particularly relates to a wastewater treatment device for propylene glycol processing.
Background
The wastewater treatment is to treat wastewater by using physical, chemical and biological methods, so that the wastewater is purified, pollution is reduced, the wastewater is recovered and reused, water resources are fully utilized, a large amount of chemical wastewater can be generated in the propylene glycol processing process, and if the chemical wastewater is not treated, serious pollution is brought to the environment, so that a wastewater treatment device is needed.
The patent No. 202020523394.X discloses a waste water treatment device for propylene glycol processing, which comprises an outer box, a reaction box and a filter box, wherein the top of the reaction box is fixedly connected with the top of the inner wall of the outer box, the bottom of the filter box is fixedly connected with the bottom of the inner wall of the outer box, and both sides of the bottom of the outer box are fixedly connected with supporting legs.
However, the wastewater treatment device for propylene glycol processing still has certain problems in the use process, and the reacted wastewater is directly discharged to the filter plate through the water outlet pipe, so that the wastewater intensively impacts a certain position on the filter plate, the filtering effect of the filter plate is easy to be reduced, and the service life of the filter plate is easy to be shortened.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a wastewater treatment device for propylene glycol processing, which solves the problems.
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a waste water treatment device for propylene glycol processing, includes the churn that is used for carrying out oxidation reaction to waste water and is used for carrying out purification treatment's purifying box to waste water after the reaction, churn top fixedly connected with is used for the inlet pipe that waste water got into, churn fixedly connected with is at purifying box top and communicates with purifying box inside through the drain pipe, surface fixedly connected with is used for the control panel who controls the device on the purifying box, control panel and external power supply electric connection still include:
even subassembly, even subassembly sets up inside the purifying box, even subassembly includes flow guide disc, through-hole and dead lever, the flow guide disc sets up to the round platform, the through-hole is provided with a plurality of and is the annular and offer on the flow guide disc, the dead lever is provided with a plurality of and is annular and distribute, a plurality of the dead lever both ends respectively with flow guide disc surface and purifying box inner wall fixed connection, flow guide disc upper surface middle part passes purifying box top position corresponding with the drain pipe.
Based on the technical scheme, the utility model also provides the following optional technical schemes:
the technical scheme is as follows: the fixed rods are elastic round rods and are arranged at an upward inclined angle.
The technical scheme is as follows: even subassembly bottom is provided with filter unit, filter unit includes fixed frame, filter and fixed plate A, fixed frame pass purifying box one side and with purifying box inner wall sealing sliding connection, sealing fixedly connected with installing frame on the one end inner wall that the fixed frame is close to the bottom, filter fixed mounting is at the installing frame lower surface, the filter lower surface flushes with fixed frame lower surface, fixed plate A fixed connection keeps away from the inside one end of purifying box at fixed frame, fixed plate A passes through the screw of four corners setting and purifying box outer wall sealing dismantlement connection.
The technical scheme is as follows: the filter component bottom is provided with the adsorption component, the adsorption component includes active carbon layer and connecting plate, active carbon layer pass purifying box one side and with purifying box inner wall sealing sliding connection, connecting plate fixed connection keeps away from the inside one end of purifying box at active carbon layer, the connecting plate passes through the screw of four corners setting and purifying box outer wall sealing disassembly connection, fixedly connected with is used for the exhaust drain pipe of drainage on the purifying box lateral wall of adsorption component bottom, the valve that the exhaust drain pipe outside fixedly connected with is used for opening and close.
The technical scheme is as follows: the top of the reaction cylinder is fixedly connected with a feeding tank for feeding an oxidant into the reaction cylinder, the top of the feeding tank is in threaded connection with a sealing cover, the outer side of the feeding tank is fixedly provided with scale marks for measuring the capacity of the feeding tank, the bottom of the feeding tank is fixedly communicated with the interior of the reaction cylinder, the bottom of the feeding tank is provided with a valve for controlling the feeding tank to be communicated with the reaction cylinder, the outer side of the reaction cylinder is fixedly provided with a visual window which is convenient for observing the internal condition of the reaction cylinder, and a marking line for measuring the internal capacity of the reaction cylinder is fixedly arranged on the outer side of the visible window.
The technical scheme is as follows: the stirring assembly comprises a motor, a rotating shaft and stirring blades, wherein the motor is fixedly connected to the middle of the upper surface of the reaction cylinder, one end of the rotating shaft is rotationally connected with an output shaft of the motor, the other end of the rotating shaft extends into the reaction cylinder and is in sealing and rotating connection with the reaction cylinder, the stirring blades are arranged on the outer side of the rotating shaft in a linear arrangement mode, the stirring blades are fixedly connected with the rotating shaft, and the motor is electrically connected with a control panel.
Advantageous effects
The utility model provides a wastewater treatment device for propylene glycol processing. Compared with the prior art, the method has the following beneficial effects:
1. the wastewater after full reaction in the reaction cylinder is discharged into the purifying box through the drain pipe, the drain pipe drives the guide disc to block the wastewater preferentially through the fixing rod in the wastewater discharging process, the wastewater is dispersed and falls down through the guide disc and a plurality of through holes, the dispersed wastewater is filtered through the filter plate at the bottom of the fixing frame, impurities on the upper surface of the filter plate are cleaned through the disassembly fixing plate A, the filtered wastewater is discharged into purified water through the discharge pipe after being adsorbed and treated by the active carbon layer, the arrangement of the guide disc, the through holes and the fixing rod is realized, the wastewater discharged from the drain pipe is blocked and dispersed preferentially, and the technical effects of larger impact on the filter plate caused by direct discharge of the wastewater, shortened service life of the filter plate and reduced wastewater filtering effect are avoided;
2. the waste water is thrown into the reaction cylinder through the feeding pipe, the quantitative oxidant is thrown into the feeding tank according to the amount of the waste water, the oxidant is thrown into the waste water through the valve at the bottom of the feeding tank, and the stirring blade is driven by the motor driving rotating shaft to fully mix the waste water and the oxidant, so that the purpose of purifying the waste water after full reaction inside a purifying box is achieved by controlling the electromagnetic valve at the outer side of the drain pipe.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model.
FIG. 2 is a schematic diagram showing the distribution of the internal structure of the purifying box of the present utility model.
Fig. 3 is a schematic perspective view of the present utility model.
Fig. 4 is a schematic view of the present utility model in partial cross-section.
Reference numerals annotate: 1. a reaction cylinder; 2. a purifying box; 3. a control panel; 4. a feed pipe; 5. a uniformity component; 6. a drain pipe; 7. a deflector disc; 8. a through hole; 9. a fixed rod; 10. a fixed frame; 11. a mounting frame; 12. a filter plate; 13. a fixing plate A; 14. an activated carbon layer; 15. a connecting plate; 16. a discharge pipe; 17. charging bucket; 18. a motor; 19. a rotating shaft; 20. stirring blades.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
Referring to fig. 1 to 4, for an embodiment of the present utility model, a wastewater treatment device for propylene glycol processing includes a reaction cylinder 1 for performing an oxidation reaction on wastewater, and a purifying tank 2 for purifying the reacted wastewater, wherein a feeding pipe 4 for allowing wastewater to enter is fixedly connected to the top of the reaction cylinder 1, the reaction cylinder 1 is fixedly connected to the top of the purifying tank 2 and is communicated with the inside of the purifying tank 2 through a water drain pipe 6, a control panel 3 for controlling the device is fixedly connected to the upper surface of the purifying tank 2, and the control panel 3 is electrically connected to an external power supply, and further includes:
even subassembly 5, even subassembly 5 sets up inside purifying box 2, and even subassembly 5 includes flow guide disk 7, through-hole 8 and dead lever 9, and flow guide disk 7 sets up to the round platform, and through-hole 8 is provided with a plurality of and is the annular and offer on flow guide disk 7, and dead lever 9 is provided with a plurality of and is annular and distributes, and a plurality of dead lever 9 both ends respectively with flow guide disk 7 surface and purifying box 2 inner wall fixed connection, flow guide disk 7 upper surface middle part and drain pipe 6 pass purifying box 2 top position corresponding.
Preferably, the fixing rods 9 are elastic round rods and are arranged at an upward inclined angle. The purpose of this kind of setting is that the realization is protected flow guide disk 7 through a plurality of dead levers 9, reinforcing flow guide disk 7 steadiness, extension flow guide disk 7 life's purpose.
Preferably, even subassembly 5 bottom is provided with filter unit, filter unit includes fixed frame 10, filter 12 and fixed plate A13, fixed frame 10 passes purifying box 2 one side and with purifying box 2 inner wall sealing sliding connection, sealing fixedly connected with installing frame 11 on the one end inner wall that fixed frame 10 is close to the bottom, filter 12 fixed mounting is at installing frame 11 lower surface, the filter 12 lower surface flushes with fixed frame 10 lower surface, fixed plate A13 fixed connection is at fixed frame 10 one end that is kept away from purifying box 2 inside, fixed plate A13 passes through the screw of four corners setting and purifying box 2 outer wall sealing dismantlement is connected. The purpose of this kind of setting is realized evenly falling to the filter 12 that fixed frame 10 inside and installing frame 11 are connected after the waste water dispersion through even subassembly 5, reaches the purpose of protecting filter 12 and being convenient for clear up the impurity of filter 12 filtration.
Preferably, the filter component bottom is provided with the adsorption component, the adsorption component includes active carbon layer 14 and connecting plate 15, active carbon layer 14 pass purifying box 2 one side and with purifying box 2 inner wall sealing sliding connection, connecting plate 15 fixed connection keeps away from the inside one end of purifying box 2 at active carbon layer 14, connecting plate 15 passes through the screw that the four corners set up and purifying box 2 outer wall sealing dismantlement is connected, fixedly connected with is used for the drain pipe 16 of drainage on the purifying box 2 lateral wall of adsorption component bottom, the valve that is used for opening and close drain pipe 16 is fixedly connected with in the drain pipe 16 outside. The aim of this kind of setting is that the realization is adsorbed the purification through the waste water after the active carbon layer 14 to filtering impurity for the waste water after the purification passes through the discharge pipe 16 and discharges, and is convenient for change active carbon layer 14 through connecting plate 15, reaches the purpose of guaranteeing the purifying effect to waste water.
In the embodiment of the utility model, the wastewater fully reacted in the reaction cylinder 1 is discharged into the purification box 2 through the water discharge pipe 6, the water guide disk 7 is driven by the fixing rod 9 to block the wastewater preferentially in the process of discharging the wastewater through the water discharge pipe 6, the wastewater is dispersed and falls down through the action of the water guide disk 7 and a plurality of through holes 8 on the water guide disk 7, the dispersed wastewater is filtered through the filter plate 12 at the bottom of the fixing frame 10, impurities remained on the upper surface of the filter plate 12 are cleaned through the disassembling fixing plate A13, the filtered wastewater is adsorbed by the active carbon layer 14 and then purified water is discharged through the discharge pipe 16, and the technical effects of preferentially blocking and dispersing the wastewater discharged through the water discharge pipe 6, avoiding the direct discharge of the wastewater to cause larger impact on the filter plate 12, shortening the service life of the filter plate 12 and reducing the filtering effect of the wastewater are achieved.
Referring to fig. 1 and fig. 4, as an embodiment of the present utility model, a feeding tank 17 for feeding an oxidizing agent into the reaction cylinder 1 is fixedly connected to the top of the reaction cylinder 1, a sealing cover is screwed to the top of the feeding tank 17, a scale mark for measuring the capacity of the feeding tank 17 is fixedly arranged on the outer side of the feeding tank 17, the bottom of the feeding tank 17 is fixedly communicated with the interior of the reaction cylinder 1, a valve for controlling the feeding tank 17 to communicate with the reaction cylinder 1 is arranged at the bottom of the feeding tank 17, a visual window for facilitating observation of the internal condition of the reaction cylinder 1 is fixedly arranged on the outer side of the reaction cylinder 1, and a mark for measuring the internal capacity of the reaction cylinder 1 is fixedly arranged on the outer side of the visual window.
Preferably, be provided with stirring subassembly on the reaction section of thick bamboo 1, stirring subassembly includes motor 18, axis of rotation 19 and stirring blade 20, motor 18 fixed connection is at reaction section of thick bamboo 1 upper surface middle part, axis of rotation 19 one end is connected with motor 18 output shaft rotation, the axis of rotation 19 other end stretches into inside reaction section of thick bamboo 1 and with reaction section of thick bamboo 1 seal rotation is connected, stirring blade 20 is provided with a plurality of and is the straight line and distributes in the axis of rotation 19 outside, a plurality of stirring blade 20 all with axis of rotation 19 fixed connection, motor 18 and control panel 3 electric connection. The purpose of the arrangement is to drive the rotation shaft 19 to drive the stirring blades 20 to rotate in the reaction cylinder 1 through the motor 18, so as to achieve the purpose of fully mixing and reacting the wastewater and the oxidant.
In the embodiment of the utility model, the wastewater is input into the reaction cylinder 1 through the feed pipe 4, then the quantitative oxidant is input into the feed tank 17 according to the amount of the wastewater, the oxidant is input into the wastewater through the valve at the bottom of the feed tank 17, and then the motor 18 drives the rotating shaft 19 to drive the stirring blade 20 to fully mix the wastewater and the oxidant, so that the purpose of conveying the wastewater after full reaction into the purification box 2 for purification is achieved by controlling the electromagnetic valve at the outer side of the drain pipe 6.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a waste water treatment device for propylene glycol processing, includes reaction tube (1) that is used for carrying out oxidation reaction to waste water and is used for carrying out purifying treatment's purifying box (2) to waste water after the reaction, reaction tube (1) top fixedly connected with is used for inlet pipe (4) that waste water got into, reaction tube (1) fixedly connected with is at purifying box (2) top and through drain pipe (6) and the inside intercommunication of purifying box (2), surface fixedly connected with is used for controlling control panel (3) of device on purifying box (2), control panel (3) and external power supply electric connection, its characterized in that still includes:
even subassembly (5), even subassembly (5) set up inside purifying box (2), even subassembly (5) are including water conservancy diversion dish (7), through-hole (8) and dead lever (9), water conservancy diversion dish (7) set up to round platform type, through-hole (8) are provided with a plurality of and are the annular and offer on water conservancy diversion dish (7), dead lever (9) are provided with a plurality of and are annular and distribute, a plurality of dead lever (9) both ends respectively with water conservancy diversion dish (7) surface and purifying box (2) inner wall fixed connection, water conservancy diversion dish (7) upper surface middle part and drain pipe (6) pass purifying box (2) top position corresponding.
2. The wastewater treatment device for propylene glycol processing according to claim 1, wherein the fixing rods (9) are elastic round rods and are arranged at an upward-inclined angle.
3. The wastewater treatment device for propylene glycol processing according to claim 1, wherein the bottom of the uniform component (5) is provided with a filtering component, the filtering component comprises a fixing frame (10), a filtering plate (12) and a fixing plate A (13), the fixing frame (10) penetrates through one side of the purifying box (2) and is in sealing sliding connection with the inner wall of the purifying box (2), a mounting frame (11) is fixedly connected to the inner wall of one end, close to the bottom, of the fixing frame (10), the filtering plate (12) is fixedly arranged on the lower surface of the mounting frame (11), the lower surface of the filtering plate (12) is flush with the lower surface of the fixing frame (10), the fixing plate A (13) is fixedly connected to one end, far away from the inside of the purifying box (2), of the fixing plate A (13) is in sealing and dismounting connection with the outer wall of the purifying box (2) through screws arranged at four corners.
4. The wastewater treatment device for propylene glycol processing according to claim 3, wherein an adsorption component is arranged at the bottom of the filtration component, the adsorption component comprises an active carbon layer (14) and a connecting plate (15), the active carbon layer (14) passes through one side of the purification tank (2) and is in sealed sliding connection with the inner wall of the purification tank (2), the connecting plate (15) is fixedly connected with one end of the active carbon layer (14) far away from the inside of the purification tank (2), the connecting plate (15) is in sealed dismounting connection with the outer wall of the purification tank (2) through screws arranged at four corners, a drain pipe (16) for draining water is fixedly connected on the side wall of the purification tank (2) at the bottom of the adsorption component, and a valve for opening and closing the drain pipe (16) is fixedly connected with the outer side of the drain pipe (16).
5. The wastewater treatment device for propylene glycol processing according to claim 1, wherein the top of the reaction cylinder (1) is fixedly connected with a feeding tank (17) for feeding an oxidant into the reaction cylinder (1), the top of the feeding tank (17) is in threaded connection with a sealing cover, a scale mark for measuring the capacity of the feeding tank (17) is fixedly arranged on the outer side of the feeding tank (17), the bottom of the feeding tank (17) is fixedly communicated with the interior of the reaction cylinder (1), a valve for controlling the feeding tank (17) to be communicated with the reaction cylinder (1) is arranged at the bottom of the feeding tank (17), a visual window for facilitating observation of the internal condition of the reaction cylinder (1) is fixedly arranged on the outer side of the reaction cylinder (1), and a mark for measuring the internal capacity of the reaction cylinder (1) is fixedly arranged on the outer side of the visual window.
6. The wastewater treatment device for propylene glycol processing according to claim 1, wherein the reaction cylinder (1) is provided with a stirring assembly, the stirring assembly comprises a motor (18), a rotating shaft (19) and stirring blades (20), the motor (18) is fixedly connected to the middle part of the upper surface of the reaction cylinder (1), one end of the rotating shaft (19) is rotationally connected with an output shaft of the motor (18), the other end of the rotating shaft (19) stretches into the reaction cylinder (1) and is in sealed rotational connection with the reaction cylinder (1), the stirring blades (20) are provided with a plurality of stirring blades which are distributed on the outer side of the rotating shaft (19) in a linear arrangement, the stirring blades (20) are fixedly connected with the rotating shaft (19), and the motor (18) is electrically connected with the control panel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322372654.4U CN220745625U (en) | 2023-09-01 | 2023-09-01 | Waste water treatment device for propylene glycol processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322372654.4U CN220745625U (en) | 2023-09-01 | 2023-09-01 | Waste water treatment device for propylene glycol processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220745625U true CN220745625U (en) | 2024-04-09 |
Family
ID=90560947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322372654.4U Active CN220745625U (en) | 2023-09-01 | 2023-09-01 | Waste water treatment device for propylene glycol processing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220745625U (en) |
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2023
- 2023-09-01 CN CN202322372654.4U patent/CN220745625U/en active Active
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