CN220907310U - Emulsion liquid film concentration evaporation disposal system - Google Patents
Emulsion liquid film concentration evaporation disposal system Download PDFInfo
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- CN220907310U CN220907310U CN202322281028.4U CN202322281028U CN220907310U CN 220907310 U CN220907310 U CN 220907310U CN 202322281028 U CN202322281028 U CN 202322281028U CN 220907310 U CN220907310 U CN 220907310U
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- 239000000839 emulsion Substances 0.000 title claims abstract description 34
- 238000001704 evaporation Methods 0.000 title claims abstract description 25
- 230000008020 evaporation Effects 0.000 title claims abstract description 19
- 239000007788 liquid Substances 0.000 title claims description 10
- 238000000108 ultra-filtration Methods 0.000 claims abstract description 67
- 239000012528 membrane Substances 0.000 claims abstract description 41
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000002351 wastewater Substances 0.000 claims abstract description 20
- 238000004140 cleaning Methods 0.000 claims abstract description 19
- 230000003647 oxidation Effects 0.000 claims abstract description 15
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 15
- 239000002699 waste material Substances 0.000 claims abstract description 11
- 239000000498 cooling water Substances 0.000 claims abstract description 9
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000003921 oil Substances 0.000 claims description 16
- 239000003507 refrigerant Substances 0.000 claims description 14
- 229920000742 Cotton Polymers 0.000 claims description 9
- 238000006243 chemical reaction Methods 0.000 claims description 6
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 6
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 6
- 238000007667 floating Methods 0.000 claims description 4
- 239000010802 sludge Substances 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 3
- 238000010979 pH adjustment Methods 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims description 2
- 239000002920 hazardous waste Substances 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 15
- 235000019198 oils Nutrition 0.000 description 13
- 230000008569 process Effects 0.000 description 8
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 239000012141 concentrate Substances 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011790 ferrous sulphate Substances 0.000 description 2
- 235000003891 ferrous sulphate Nutrition 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 2
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000002199 base oil Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000009295 crossflow filtration Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model discloses an emulsion film concentration evaporation treatment system, which comprises an emulsion wastewater tank, a first filter, a heat exchanger and an ultrafiltration circulation tank which are sequentially connected, wherein a water outlet of the ultrafiltration circulation tank is connected with an ultrafiltration membrane component, a concentrated solution outlet is connected with a low-temperature evaporator, and the ultrafiltration circulation tank is connected with a circulating cooling water system; the water outlet of the ultrafiltration membrane component is connected with the heat exchanger, the concentrated solution outlet is connected with the ultrafiltration circulating tank, and the ultrafiltration membrane component is connected with a membrane cleaning system; the low-temperature evaporator is connected with a circulating evaporation pipe, a water outlet of the low-temperature evaporator is connected with a heat exchanger, and a concentrated solution outlet is connected with a waste oil collecting device; the heat exchanger is connected with a condenser for condensing the evaporated water, the heat exchanger and the condenser are respectively connected with a high-grade oxidation system, and the high-grade oxidation system is also connected with a biochemical system. The utility model has high automation degree, low multi-stage treatment energy consumption, low treatment cost, small occupied area and less generated secondary hazardous waste.
Description
Technical Field
The utility model relates to the field of industrial wastewater treatment, in particular to an emulsion liquid film concentration and evaporation treatment system.
Background
With the continuous development of the mechanical processing and manufacturing and metal processing industries, the emulsion is widely applied to the cutting and grinding process of machine parts. When the emulsion is recycled for a plurality of times, the cooling and lubricating effects are greatly reduced, and the emulsion needs to be replaced periodically, so that a large amount of emulsion wastewater is formed. The main components of the emulsion wastewater are base oil (mineral oil, vegetable oil, etc.) and surfactant (emulsifier), and according to different processing technologies, the emulsion wastewater also contains antirust additives, antioxidants, bactericides, and the like.
The emulsion wastewater has high surfactant content, stable system, high oil content, high COD (tens of thousands to hundreds of thousands of different), difficult degradation, high disposal cost and high difficulty.
At present, the treatment methods of the emulsion mainly comprise a coagulation method, a salting-out method, an acid-out method, a demulsifier method, an air floatation method, a high-grade oxidation method and the like. Various disposal processes have advantages and limitations, a large amount of medicaments are required to be added in the disposal process, more secondary hazardous wastes are generated, and the disposal cost is high. The traditional single treatment process is difficult to treat the emulsion wastewater with COD of tens of thousands or hundreds of thousands to reach the standard for emission, and a multi-stage treatment process is required to be formed according to the characteristics of the emulsion so as to achieve the comprehensive treatment and utilization of the emulsion and reduce the treatment cost.
Disclosure of utility model
The utility model aims to solve the technical problems that the single treatment process in the prior art has various advantages but limitations, and the general treatment process has the defects of large dosage of medicament, more secondary hazardous waste and high comprehensive treatment cost.
The technical scheme of the utility model is as follows: an emulsion film concentration evaporation treatment system comprises an emulsion wastewater tank, a first filter, a heat exchanger and an ultrafiltration circulation tank which are sequentially connected, wherein a water outlet of the ultrafiltration circulation tank is connected with an ultrafiltration membrane component, a concentrated solution outlet is connected with a low-temperature evaporator, and the ultrafiltration circulation tank is connected with a circulating cooling water system; the water outlet of the ultrafiltration membrane component is connected with the heat exchanger, the concentrated solution outlet is connected with the ultrafiltration circulating tank, and the ultrafiltration membrane component is connected with a membrane cleaning system; the low-temperature evaporator is connected with a circulating evaporation pipe, a water outlet of the low-temperature evaporator is connected with the heat exchanger, and a concentrated solution outlet is connected with a waste oil collecting device; the heat exchanger is connected with a condenser for condensing the evaporated effluent, the heat exchanger and the condenser are respectively connected with a high-grade oxidation system, and the high-grade oxidation system is also connected with a biochemical system.
Furthermore, the tank body of the ultrafiltration circulation tank is provided with a jacket structure, the outside of the jacket structure is wrapped with first heat preservation cotton, the circulating cooling water system is connected with the jacket structure, the ultrafiltration circulation tank is provided with a first online thermometer, and the ultrafiltration circulation tank is internally provided with an online viscometer.
Furthermore, in the utility model, the upper part of the ultrafiltration circulation tank is provided with a floating oil outlet, and the lower part of the ultrafiltration circulation tank is provided with an oil sludge discharge port.
Furthermore, the ultrafiltration membrane component comprises a plurality of silicon carbide ultrafiltration membrane elements connected in series, and the membrane cleaning system comprises a cleaning solution tank, a cleaning pump and a second filter which are sequentially connected, wherein the second filter and the cleaning solution tank are respectively connected with the ultrafiltration membrane component.
Furthermore, one side of the low-temperature evaporator is connected with a vacuum pump, a heating coil is arranged in the low-temperature evaporator, a vacuum pressure gauge and a second online thermometer are arranged on the low-temperature evaporator, and second heat-insulating cotton is wrapped outside the low-temperature evaporator.
Further, in the utility model, a compressor is connected between the heating coil and the condenser, the compressor is used for pumping refrigerant through a refrigerant pipeline, and the refrigerant pipeline sequentially passes through the condenser and the heating coil.
Furthermore, the bottom of the low-temperature evaporator is provided with the mounting seat, the mounting seat is provided with the moving plate, the heating coil pipe passes through the moving plate to be mounted, and the moving plate is provided with the brush sleeve for wrapping the heating coil pipe.
Further, the advanced oxidation system comprises a pH adjusting tank and a Fenton reaction tank which are connected.
Compared with the prior art, the utility model has the following advantages: when the disposal system works, the emulsion wastewater can realize oil-water separation through the circulation treatment of the ultrafiltration circulation tank and the silicon carbide ultrafiltration membrane component, the ultrafiltration concentrated solution obtained through the treatment enters the low-temperature evaporator for further evaporation, and the evaporation effluent and the ultrafiltration effluent waste heat can be used for preheating the system water inflow, so that the overall energy saving and consumption reduction of the system are realized, the effluent can be discharged up to the standard after finally being treated by the advanced oxidation system and the biochemical system, the evaporation concentrated solution is also converted into waste oil capable of being recycled, and economic benefits are created. The whole disposal system has high automation degree, low multi-stage disposal energy consumption, low disposal cost, small occupied area and less generated secondary dangerous waste.
Drawings
FIG. 1 is a system connection block diagram of the present utility model;
FIG. 2 is a schematic view of a refrigerant flow path of the refrigerant circuit according to the present utility model;
fig. 3 is a schematic view of a specific installation of the heating coil of the present utility model.
Wherein: 1. an emulsion wastewater tank; 2. a first filter; 3. a heat exchanger; 4. an ultrafiltration circulation tank; 4a, a jacket structure; 4b, first heat-preserving cotton; 4c, a first online thermometer; 4d, a floating oil outlet; 4e, an oil sludge discharge port; 5. an ultrafiltration membrane module; 6. a low temperature evaporator; 6a, a vacuum pump; 6b, heating coil; 6c, a vacuum pressure gauge; 6d, a second online thermometer; 6e, second heat-insulating cotton; 7. a circulating cooling water system; 8. a membrane cleaning system; 8a, a cleaning solution tank; 8b, cleaning a pump; 8c, a second filter; 9. a circulation evaporation tube; 10. a waste oil collection device; 11. a condenser; 12. a high-grade oxidation system; 12a, a pH adjusting tank; 12b, fenton reaction tank; 13. a biochemical system; 14. a compressor; 15. a refrigerant pipe; 16. a mounting base; 17. a moving plate; 18. a brush sleeve.
Detailed Description
The following describes specific embodiments of the present utility model with reference to the drawings.
Examples:
The utility model relates to a specific implementation mode of an emulsion liquid film concentration evaporation treatment system, which mainly comprises an emulsion liquid wastewater tank 1, a first filter 2, a heat exchanger 3 and an ultrafiltration circulation tank 4 which are connected in sequence, wherein emulsion liquid wastewater in the emulsion liquid wastewater tank 1 is lifted to the first filter 2 through a pump and filtered, and then enters the ultrafiltration circulation tank 4 through the heat exchanger 3, and the first filter 2 filters impurities such as large particles SS, waste metal scraps and the like in the wastewater, so that subsequent equipment is prevented from being damaged, pipelines are prevented from being blocked, and the treatment efficiency is ensured.
The ultrafiltration circulation tank 4 has a specific structure that a tank body is provided with a jacket structure 4a, and the jacket structure 4a is connected with a circulating cooling water system 7 for introducing cooling water and continuously circulating. The jacket structure 4a is wrapped with first heat-insulating cotton 4b to play a role in heat insulation. The ultrafiltration circulation tank 4 is provided with a first online thermometer 4c for monitoring the temperature of the wastewater. An on-line viscometer is arranged in the ultrafiltration circulation tank 4 and is used for monitoring the viscosity of the concentrated solution in the tank. The upper part of the ultrafiltration circulation tank 4 is provided with a floating oil outlet 4d, and the lower part is provided with an oil sludge discharge outlet 4e.
The water outlet of the ultrafiltration circulation tank 4 is connected with the ultrafiltration membrane component 5 through a pump, the concentrated solution outlet is connected with the low-temperature evaporator 6, the water outlet of the ultrafiltration membrane component 5 is connected with the heat exchanger 3, and the concentrated solution outlet is connected with the ultrafiltration circulation tank 4. The wastewater enters the ultrafiltration membrane component 5 from the water outlet of the ultrafiltration circulation tank 4 through a pump, returns to the ultrafiltration circulation tank 4 from the ultrafiltration membrane component 5 for internal circulation treatment, the temperature of the wastewater can be gradually increased in the continuous circulation process, and the temperature of the wastewater can be controlled to be 50-55 ℃ through the cooperation of the circulating cooling water system 7, the first heat preservation cotton 4b and the first online thermometer 4 c. When the on-line viscometer in the ultrafiltration circulation tank 4 detects that the viscosity of the concentrated solution reaches 250-300 mPa.s, the concentrated solution enters the low-temperature evaporator 6 from the concentrated solution outlet at the lower part.
In this embodiment, the ultrafiltration membrane component 5 includes a plurality of serially connected ultrafiltration membrane elements of silicon carbide, through adopting the cross-flow filtration technology, the emulsion waste water enters the ultrafiltration membrane element of silicon carbide, moves on the membrane surface rapidly in the tangential direction of the membrane surface, and under the action of lateral pressure from inside to outside, substances such as water, small molecular organic matters, soluble ions and the like which can pass through the ultrafiltration membrane of silicon carbide are pushed to the other side of the membrane through the filter layer and the supporting layer by the vertical membrane layer, and finally flow to the heat exchanger 3 after being collected. The suspended solids, macromolecular organic matters and the like are kept in a suspended state on the membrane layer side, are continuously removed from the membrane surface in a high-speed flowing state, and are returned into the ultrafiltration circulation tank 4 to continue circulating concentration.
In this embodiment, the ultrafiltration membrane component 5 is further connected with a membrane cleaning system 8, the membrane cleaning system 8 includes a cleaning solution tank 8a, a cleaning pump 8b, and a second filter 8c sequentially connected, and the second filter 8c and the cleaning solution tank 8a are respectively connected with the ultrafiltration membrane component 5.
Further, the low-temperature evaporator 6 has a specific structure that one side thereof is connected with a vacuum pump 6a for controlling the negative pressure in the evaporator to be more than-0.9 kPa. A heating coil 6b is arranged in the low-temperature evaporator 6 and is used for heating the waste liquid, and the evaporating temperature is kept to be about 45 ℃. The low-temperature evaporator 6 is provided with a vacuum pressure gauge 6c and a second online thermometer 6d which are respectively used for monitoring the pressure and the temperature in the evaporator in real time. The low-temperature evaporator 6 is connected with a circulation evaporation pipe 9, and circulation evaporation is performed by a circulation pump. The exterior of the low-temperature evaporator 6 is also wrapped with a second heat-insulating cotton 6e to reduce heat loss.
The water outlet of the low-temperature evaporator 6 is connected with the heat exchanger 3, the concentrated solution outlet is connected with the waste oil collecting device 10, the heat exchanger 3 is also connected with a condenser 11 for condensing the evaporated water, the heat exchanger 3 and the condenser 11 are respectively connected with the advanced oxidation system 12, and the advanced oxidation system 12 is also connected with the biochemical system 13.
The evaporated effluent is subjected to heat exchange with the inlet water of the ultrafiltration circulating tank 4 through the heat exchanger 3, is condensed through the condenser 11, and enters the advanced oxidation system 12 together with the ultrafiltration effluent subjected to heat exchange. When the water content of the evaporated concentrate is less than 25%, the evaporated concentrate is automatically discharged into the waste oil collecting device 10 through a circulating pump and is converted into waste oil which can be recycled, so that economic benefits are created.
In this embodiment, referring to fig. 2, a compressor 14 is connected between the heating coil 6b and the condenser 11, and the compressor 14 pumps the refrigerant through a refrigerant pipe 15, and the refrigerant pipe 15 passes through the heating coil 6b and the condenser 11 in order. The refrigerant in the refrigerant line 15 is discharged through the heating coil 6b by the compressor 14 to heat the waste water in the low-temperature evaporator 6, and absorbs heat in the condenser 11 to condense and evaporate the water.
In this embodiment, referring to fig. 3, the bottom of the low-temperature evaporator 6 is further provided with a mounting seat 16, a moving plate 17 is provided on the mounting seat 16, the heating coil 6b is installed through the moving plate 17, and a brush sleeve 18 for wrapping the heating coil 6b is provided on the moving plate 17. Impurities attached to the outer wall of the heating coil 6b can be cleaned by the brush cover 18 by the driving of the moving plate 17, thereby improving heat conduction efficiency.
Advanced oxidation system 12 includes a pH adjustment tank 12a and a Fenton reaction tank 12b connected to remove a portion of the COD in the effluent and enhance the biodegradability of the effluent. The ultrafiltration effluent and the evaporation effluent enter a pH adjusting tank 12a together, and the pH is adjusted to about 3.5 by sulfuric acid; and then continuously entering a Fenton reaction tank 12b, adding ferrous sulfate and hydrogen peroxide according to the content of COD, wherein the mass ratio of the ferrous sulfate to the hydrogen peroxide is 1:1.25, the adding ratio of the hydrogen peroxide is 1.3% -2.1%, the Fenton reaction is carried out for 2 hours, after Fenton is finished, the pH is regulated to about 8 by using liquid alkali, and the supernatant fluid after mud-water separation enters a biochemical system 13 for disposal, and finally reaches the discharge standard.
The above embodiments are merely for illustrating the technical concept and features of the present utility model, and are not intended to limit the scope of the present utility model to those skilled in the art to understand the present utility model and implement the same. All modifications made according to the spirit of the main technical proposal of the utility model should be covered in the protection scope of the utility model.
Claims (8)
1. An emulsion liquid film concentration evaporation treatment system which is characterized in that: the device comprises an emulsion wastewater tank (1), a first filter (2), a heat exchanger (3) and an ultrafiltration circulation tank (4) which are sequentially connected, wherein a water outlet of the ultrafiltration circulation tank (4) is connected with an ultrafiltration membrane component (5), a concentrated solution outlet is connected with a low-temperature evaporator (6), and the ultrafiltration circulation tank (4) is connected with a circulating cooling water system (7); the water outlet of the ultrafiltration membrane component (5) is connected with the heat exchanger (3), the concentrated solution outlet is connected with the ultrafiltration circulating tank (4), and the ultrafiltration membrane component (5) is connected with a membrane cleaning system (8); the low-temperature evaporator (6) is connected with a circulating evaporation pipe (9), a water outlet of the low-temperature evaporator (6) is connected with the heat exchanger (3), and a concentrated solution outlet is connected with a waste oil collecting device (10); the heat exchanger (3) is connected with a condenser (11) for condensing the evaporated water, the heat exchanger (3) and the condenser (11) are respectively connected with a high-grade oxidation system (12), and the high-grade oxidation system (12) is also connected with a biochemical system (13).
2. An emulsion film concentrating and evaporating disposal system as in claim 1, wherein: the tank body of the ultrafiltration circulation tank (4) is provided with a jacket structure (4 a), a first heat preservation cotton (4 b) is wrapped outside the jacket structure (4 a), a circulating cooling water system (7) is connected with the jacket structure (4 a), a first online thermometer (4 c) is arranged on the ultrafiltration circulation tank (4), and an online viscometer is arranged in the ultrafiltration circulation tank (4).
3. An emulsion film concentrating and evaporating disposal system as in claim 1, wherein: the upper part of the ultrafiltration circulation tank (4) is provided with a floating oil outlet (4 d), and the lower part is provided with an oil sludge discharge port (4 e).
4. An emulsion film concentrating and evaporating disposal system as in claim 1, wherein: the ultrafiltration membrane component (5) comprises a plurality of silicon carbide ultrafiltration membrane elements connected in series, and the membrane cleaning system (8) comprises a cleaning solution tank (8 a), a cleaning pump (8 b) and a second filter (8 c) which are sequentially connected, wherein the second filter (8 c) and the cleaning solution tank (8 a) are respectively connected with the ultrafiltration membrane component (5).
5. An emulsion film concentrating and evaporating disposal system as in claim 1, wherein: one side of the low-temperature evaporator (6) is connected with a vacuum pump (6 a), a heating coil (6 b) is arranged in the low-temperature evaporator, a vacuum pressure gauge (6 c) and a second online thermometer (6 d) are arranged on the low-temperature evaporator (6), and second heat-insulating cotton (6 e) is wrapped outside the low-temperature evaporator (6).
6. An emulsion film concentrating evaporation treatment system according to claim 5, wherein: a compressor (14) is connected between the heating coil (6 b) and the condenser (11), the compressor (14) is used for pumping refrigerant through a refrigerant pipeline (15), and the refrigerant pipeline (15) sequentially passes through the condenser (11) and the heating coil (6 b).
7. An emulsion film concentrating evaporation treatment system according to claim 5, wherein: the bottom of low temperature evaporimeter (6) is equipped with mount pad (16), is equipped with movable plate (17) on mount pad (16), and heating coil (6 b) pass movable plate (17) and install, is equipped with brush cover (18) of parcel heating coil (6 b) on movable plate (17).
8. An emulsion film concentrating and evaporating disposal system as in claim 1, wherein: the advanced oxidation system (12) includes a pH adjustment tank (12 a) and a Fenton reaction tank (12 b) connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281028.4U CN220907310U (en) | 2023-08-24 | 2023-08-24 | Emulsion liquid film concentration evaporation disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322281028.4U CN220907310U (en) | 2023-08-24 | 2023-08-24 | Emulsion liquid film concentration evaporation disposal system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220907310U true CN220907310U (en) | 2024-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322281028.4U Active CN220907310U (en) | 2023-08-24 | 2023-08-24 | Emulsion liquid film concentration evaporation disposal system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220907310U (en) |
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2023
- 2023-08-24 CN CN202322281028.4U patent/CN220907310U/en active Active
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