CN214496015U - Sewage treatment system - Google Patents
Sewage treatment system Download PDFInfo
- Publication number
- CN214496015U CN214496015U CN202022778107.2U CN202022778107U CN214496015U CN 214496015 U CN214496015 U CN 214496015U CN 202022778107 U CN202022778107 U CN 202022778107U CN 214496015 U CN214496015 U CN 214496015U
- Authority
- CN
- China
- Prior art keywords
- waste
- sewage
- water
- liquid
- unit
- 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
Images
Abstract
A sewage treatment system comprises a sewage pretreatment unit for separating waste emulsion from waste water liquid from sewage, a waste emulsion drying unit for removing water in the waste emulsion, a waste gas treatment unit for collecting and purifying waste gas generated in the work of the waste emulsion drying unit, a waste water liquid treatment unit for purifying the waste water liquid and a control unit, wherein the waste emulsion drying unit comprises a waste emulsion storage tank, a drying device with a heat-conducting rotary disc, a water pumping pipeline for pumping up the waste liquid in the waste emulsion storage tank, a scraper device for scraping waste liquid slag formed on the heat-conducting rotary disc, a driving mechanism for driving the heat-conducting rotary disc to rotate and a heating device, the output end of the water pumping pipeline faces the heat-conducting rotary disc, so that solid impurities and sludge in the sewage can be effectively separated, and a treatment process is simple, meanwhile, the sewage treatment efficiency is high, the use by people is convenient, and the resource recycling is realized while the treated waste liquid meets the discharge requirement.
Description
Technical Field
The utility model relates to a sewage treatment system.
Background
The sewage treatment equipment is an industrial equipment which can effectively treat domestic sewage, industrial wastewater and the like in urban areas, prevents sewage and pollutants from directly flowing into water areas, and has important significance for improving ecological environment, promoting urban grade and promoting economic development by removing the pollutants.
When the existing sewage treatment equipment is used, solid impurities and sludge in sewage cannot be effectively separated, certain residual substances and other problems still exist, the conventional physicochemical method and biochemical treatment are mostly adopted in the existing sewage treatment process, the treatment workshop section of the conventional technical route is complicated, the cost is high, meanwhile, the efficiency of sewage treatment is not high, the use of people is inconvenient, the treated waste liquid cannot meet the discharge requirement, and a large amount of gas scum and sludge can be generated in the treatment process.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a sewage treatment system.
In order to solve the technical problem, the utility model discloses a technical scheme is: a sewage treatment system comprises a sewage pretreatment unit for separating waste emulsion from waste water liquid from sewage, a waste emulsion drying unit for removing water in the waste emulsion, a waste gas treatment unit for collecting and purifying waste gas generated in the work of the waste emulsion drying unit, a waste water liquid treatment unit for purifying the waste water liquid and a control unit, the waste emulsion drying unit comprises a waste emulsion storage tank, a drying device with a heat-conducting rotary disc, a water pumping pipeline for pumping waste liquid in the waste emulsion storage tank, and a scraper device for scraping waste liquid slag formed on the heat-conducting rotary disc, the inside hollow heating chamber that has of heat conduction carousel, drying device is still including being used for the drive heat conduction carousel pivoted actuating mechanism, right the heating device that the heating chamber heated, the output of water pumping pipeline is facing to the heat conduction carousel.
In some embodiments, the heat-conducting rotating disk is located right above the waste emulsion storage tank, the output end of the water pumping pipeline is connected with a spray head for spraying waste liquid to the heat-conducting rotating disk, the spray head includes a disk surface spray head for spraying waste liquid to the disk surface of the heat-conducting rotating disk and/or an edge spray head for spraying waste liquid to the peripheral surface of the edge of the heat-conducting rotating disk, and the water outlet end of the disk surface spray head is arranged close to the central part of the disk surface of the heat-conducting rotating disk.
In some embodiments, the scraper device comprises a disk surface scraper and/or an edge scraper, wherein the disk surface scraper is correspondingly matched with a corresponding disk surface of the heat-conducting rotary disk, wherein the edge scraper is correspondingly matched with the edge circumferential surface, and the scraper device further comprises a waste liquid residue collecting device which is arranged right below the scraper and is used for collecting the scraped solid waste residues.
In some embodiments, the driving mechanism includes a gear ring fixedly disposed at a central portion of the heat-conducting turntable, a power device, and a transmission device disposed between the gear ring and the power device.
In some embodiments, the heating device comprises a heat source heating device, and a heat source conveying pipe, one end of the heat source conveying pipe is communicated with the heat source heating device, the other end of the heat source conveying pipe penetrates through the gear ring and the heating cavity which is hermetically connected into the heat-conducting rotary disc, and the heat source heating device is communicated with the interior of the heat-conducting rotary disc through the heat source conveying pipe.
In certain embodiments, the sewage pretreatment unit comprises a waste water collection tank for collecting and storing sewage, a PH adjustment tank for adjusting the sewage, a reaction tank for demulsifying the sewage, a coagulation tank for coagulating the sewage, and a primary air flotation tank for separating waste emulsion from waste water liquid in the sewage by a sludge-water collection and separation device.
In some embodiments, the sewage pretreatment unit further comprises an extremely strong oxidation tank for carrying out secondary oxidation on the wastewater liquid output by the primary air flotation tank, and a secondary air flotation tank for carrying out secondary separation of wastewater emulsion and wastewater liquid on the sewage output by the extremely strong oxidation tank through a sludge-water collection and separation device.
In certain embodiments, the wastewater treatment unit comprises a treatment tank disposed after the wastewater pretreatment unit, a membrane filtration device of a UF membrane for removing suspended wastewater and/or a RO reverse osmosis membrane for removing contaminant ions from water.
In some embodiments, the exhaust gas treatment unit includes a trumpet-shaped air suction opening located right above the heat-conducting rotary table, an air suction pipeline connected to the trumpet-shaped air suction opening, and an oil mist separator, a flame arrester, an exhaust gas combustion furnace and a condensing device which are sequentially arranged on the air suction pipeline.
In some embodiments, the sewage treatment system includes a container frame, and supporting legs and/or wheels disposed at the bottom of the container frame, wherein the sewage pretreatment unit, the waste emulsion drying unit, the waste water liquid treatment unit, and the waste gas treatment unit are disposed in the container frame respectively.
The scope of the present invention is not limited to the technical solutions formed by specific combinations of the above technical features, and other technical solutions formed by arbitrary combinations of the above technical features or equivalent features should be covered. For example, the above features and the technical features (but not limited to) having similar functions disclosed in the present application are mutually replaced to form the technical solution.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model provides a sewage treatment system can effectually separate solid impurity and mud in the sewage, and the processing workshop section is simple, and sewage treatment's is efficient simultaneously, makes things convenient for people to use, realizes resource recovery when the waste liquid after the processing reaches the emission requirement.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a schematic structural diagram of a waste emulsion drying unit of the present invention;
wherein, 1, a sewage pretreatment unit; 11. a waste liquid collecting tank; 12. a pH adjusting tank; 13. a reaction tank; 14. an agglomeration tank; 15. a first-stage air flotation tank; 16. an extremely strong oxidation tank; 17. a secondary air flotation tank; 2. a waste emulsion drying unit; 21. a waste milk reservoir; 22. a heat-conducting turntable; 221. a heating cavity; 23. a water pumping pipeline; 24. a scraper device; 25. a drive mechanism; 26. a heating device; 27. a spray head; 3. a wastewater liquid treatment unit; 31. a treatment water tank; 32. a membrane filtration device; 4. an exhaust gas treatment unit.
Detailed Description
A sewage treatment system as shown in figure 1, including with sewage realize separating out waste emulsion and waste water liquid's sewage pretreatment unit 1, the waste emulsion drying unit 2 that gets rid of the moisture in the waste emulsion, be used for collecting and the waste gas treatment unit 4 that purifies with the waste gas that waste emulsion drying unit 2 worked the production, with waste water liquid purification treatment unit 3, the control unit of waste water liquid purification treatment, the utility model provides a sewage treatment system can effectually separate solid impurity and mud in the sewage, handles the workshop section simply, and sewage treatment's is efficient simultaneously, makes things convenient for people to use, realizes resource recovery and utilizes when the waste liquid after the processing reaches the emission requirement.
As shown in fig. 2, the waste emulsion drying unit 2 includes a waste emulsion storage tank 21, a drying device having a heat conductive rotating disk 22, a pumping pipeline 23 for pumping up waste liquid in the waste emulsion storage tank 21, a scraper device 24 for scraping waste liquid slag formed on the heat conductive rotating disk 22, a hollow heating cavity 221 is formed in the heat conductive rotating disk 22, the drying device further includes a driving mechanism 25 for driving the heat conductive rotating disk 22 to rotate, and a heating device 26 for heating the heating cavity 221, and an output end of the pumping pipeline 23 faces the heat conductive rotating disk 22.
As shown in fig. 2, the heat-conducting rotary plate 22 is located right above the waste milk storage tank 21, the output end of the pumping pipeline 23 is connected with a spray head 27 for spraying waste liquid to the heat-conducting rotary plate 22, the spray head 27 comprises a plate surface spray head for spraying waste liquid to the plate surface of the heat-conducting rotary plate 22 and/or an edge spray head for spraying waste liquid to the edge circumferential surface of the heat-conducting rotary plate 22, the water outlet end of the plate surface spray head is arranged close to the central part of the plate surface of the heat-conducting rotary plate 22, and the spray efficiency is higher due to the multiple spray heads.
Corresponding to the arrangement of the spray head, the scraper device 24 comprises a disk surface scraper and/or an edge scraper, wherein the disk surface scraper is correspondingly matched with the corresponding disk surface of the heat-conducting rotary disk 22, the edge scraper is correspondingly matched with the edge circumferential surface, the scraper device 24 further comprises a waste liquid slag collecting device which is arranged under the scraper and used for collecting the scraped solid waste slag, and the plurality of scrapers ensure that attachments on the surface of the heat-conducting rotary disk are fully scraped.
The driving mechanism 25 includes a gear ring fixedly disposed at the center of the heat-conducting turntable 22, a power device, and a transmission device disposed between the gear ring and the power device, and the transmission device may be a chain transmission, a gear transmission, a worm gear transmission, or the like.
The heating device 26 comprises a heat source heating device and a heat source conveying pipe, one end of the heat source conveying pipe is communicated with the heat source heating device, the other end of the heat source conveying pipe penetrates through the gear ring and is connected into the heating cavity of the heat conduction rotary disc in a sealing mode, and the heat source heating device is communicated with the heating cavity through the heat source conveying pipe. The heat source heating device usually uses a steam boiler or a heat conducting oil heater, and when the steam boiler is used, a pressure relief device needs to be additionally arranged to prevent the heat conducting rotary table from expanding and exploding due to excessive steam in the heating cavity, eliminate potential safety hazards and prolong the service life of the heat conducting rotary table.
The sewage pretreatment unit 1 comprises a waste liquid collecting tank 11 for collecting and storing sewage, a PH adjusting tank 12 for adjusting the sewage, a reaction tank 13 for demulsifying the sewage, a coagulation tank 14 for coagulating the sewage, and a first-stage air flotation tank 15 for separating waste emulsion and waste water liquid from the sewage through a first mud-water collecting and separating device.
For dirty sewage, the sewage pretreatment unit 1 may further include an extremely strong oxidation tank 16 for re-oxidizing the wastewater outputted from the primary air flotation tank 15, and a secondary air flotation tank 17 for re-separating the wastewater from the wastewater by the second sludge-water collecting and separating device, wherein the wastewater outputted from the extremely strong oxidation tank 16 is subjected to waste emulsion separation. Further treating the sewage.
In this embodiment, the wastewater treatment unit 3 includes a treatment water tank 31 disposed behind the wastewater pretreatment unit 1, and a membrane filtration device 32 for removing a UF membrane suspended in the wastewater and/or an RO reverse osmosis membrane for removing pollutant ions in the water, and treats the wastewater into clean water meeting the discharge requirement.
In this embodiment, exhaust-gas treatment unit 4 is including being located the horn type suction opening directly over the heat conduction carousel, connecting the suction line on horn type suction opening, sets gradually oil mist separator, spark arrester, waste gas on the suction line and fires burning furnace, condensing equipment. And (3) sucking the waste gas generated by drying through a horn-shaped air suction opening, feeding the waste gas into a waste gas combustion furnace for incineration, cooling through a condensing device, and generating clean gas to be discharged to the atmosphere. The grease separated from the oil mist separator is discharged into a waste emulsion liquid storage tank 21 for drying treatment. Water after the waste water liquid processing unit 3 handles is kept in the water tank temporarily, can input the condensing equipment who reaches in the exhaust-gas treatment unit 4 at any time and regard as cooling water secondary, has reduced the water source cost, accords with national environmental protection requirement.
Through rotatory high temperature's carousel, and spray waste water to the carousel on, moisture in the waste water is in the twinkling of an eye of contact heat conduction carousel 22, its most moisture content just evaporates and leaves heat conduction carousel 22, particulate matter in the waste water, composition such as grease are attached to on heat conduction carousel 22, scrape down via the scraper and pile up into likepowder waste residue, be fit for the follow-up processing such as burying, solid, liquid, the gas separation in the waste water are handled simultaneously, the separation is more thorough, the treatment effeciency is higher, the effect is better.
Sewage treatment system includes container formula tank support body, set up in supporting legs and/or the case wheel of container bottom, sewage preliminary treatment unit 1, useless emulsion drying unit 2, waste water liquid processing unit 3 is located the tank support body respectively with exhaust-gas treatment unit 4, the processing apparatus of adoption integral type, can carry whole container type integration danger waste processor, need not dismantle the equipment, treatment effeciency has been strengthened, the device has contained the desiccator simultaneously, can separate into solid-liquid gas three-phase waste with waste water, convenient classification handles the purification, the device can directly be rented to the mill that needs to carry out waste treatment, and the treatment cost is reduced.
A sewage treatment process comprises the following steps:
and 3, pumping the waste emulsion from the waste emulsion storage tank 21 by the water pumping pipeline 23 of the waste emulsion drying unit 2, spraying the waste emulsion onto the heat conduction rotary disc 22 of the drying unit 2, wherein the temperature on the heat conduction rotary disc 22 is 110-.
It is more preferable to add a saponifier to the waste milk reservoir in step 2.
The pretreatment stage consists of a PH adjusting tank, a reaction tank, a condensation tank and an air flotation tank.
The function of the stage is to adjust the pH value of the waste liquid through acid and alkali, and create the optimal reaction condition for demulsification and agglutination. The purpose of demulsification is to make dispersed phase small liquid beads aggregate to form large liquid drops, and finally make the oil phase and the water phase separate out in a layered manner. The physical demulsification method is adopted, and is realized by adding a demulsifying agent.
An electrochemical stage: an extremely strong oxidation tank (electrochemical tank) and an air-floating tank.
Mainly by adding electrodes (semiconductor material) to the waste water liquor. The anode can directly or indirectly generate OH & lt- & gt with strong oxidation activity under the action of an external electric field. Hydroxyl radical is an important active oxygen, and is formed by losing one electron from hydroxyl (OH & lt- & gt) in terms of molecular formula. The hydroxyl free radical has extremely strong electron-gaining capability, namely oxidation capability, and the oxidation potential is 2.8V. Is second only to fluorine in nature. And (3) quickly reacting organic matters and hydroxyl radicals in oil content and oil content remained in the sewage after air floatation separation to produce carbon dioxide and water. The method has no secondary pollution and meets the requirement of environmental protection.
Membrane, RO membrane, produced water discharge or reuse stage:
after the waste water liquid is treated through the electrochemical cell, the pollutant in the waste water liquid is further removed through this function, COD and TOC reduce, get rid of the suspension of aquatic through the UF membrane, produce water SDI <3, accord with the RO condition of intaking, after filtering through reverse osmosis membrane, aquatic ion is held back, and play water quality of water is superior to running water quality of water, and the supernatant can satisfy discharge condition or direct retrieval and utilization. When the system operates, the salt outlet is considered, so that part of concentrated water returns to the electrochemical tank to degrade COD, and meanwhile, part of water enters the concentrated liquid collecting tank and enters the drying system to be finally discharged out of the system.
And (3) a waste liquid drying stage: a concentrated solution collecting tank, a drying unit and residue collection and disposal.
The waste emulsion after demulsification still has a large amount of water, and the water in the scum is treated by drying, so that the waste emulsion is further concentrated, the volume is minimized, the burden of subsequent treatment is reduced, and the heat-conducting turntable is hollow and can be filled with steam. The temperature of the surface of the plate is 130 ℃, the waste emulsion is sprayed on the surface of the plate, water is evaporated rapidly, residual solids are scraped by a metal blade, water vapor is discharged into a cooling device through a fan, the cooler is a heat exchanger, a large amount of heat is discharged out of the system through a cooling tower in a water evaporation mode, steam generated by a dryer is condensed water formed after waste gas treatment and collected in a water tank, and evaporative condensed waste water W2 can meet the discharge condition or be directly recycled.
In the waste gas treatment stage, the temperature of the metal drying disc surface is 130 ℃ in the drying process of the waste emulsion, and at the moment, organic matters in the waste liquid can be carried out by water vapor and enter gas. The oil mist can be collected and trapped by a cooling filter, the principle of the cooling filter is similar to that of a range hood for a household kitchen, and the residual tail gas G1 (the main component is non-methane total hydrocarbon) enters an exhaust gas treatment facility for treatment and is discharged outwards.
Besides the residual tail gas of the cooler, ammonia, hydrogen sulfide, odor and organic waste gas generated by the waste liquid collecting tank, the pH adjusting tank and the oxidation air floatation tank can be collected together and then enter a waste gas treatment facility in the sewage treatment process.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. A sewage treatment system is characterized in that: the waste emulsion drying device comprises a sewage pretreatment unit (1) for separating waste emulsion from waste water liquid from sewage, a waste emulsion drying unit (2) for removing moisture in the waste emulsion, a waste gas treatment unit (4) for collecting and purifying waste gas generated in the work of the waste emulsion drying unit (2), a waste water liquid treatment unit (3) for purifying the waste water liquid, and a control unit, wherein the waste emulsion drying unit (2) comprises a waste emulsion storage tank (21), a drying device with a heat conduction rotary disc (22), a water pumping pipeline (23) for pumping up the waste liquid in the waste emulsion storage tank (21), a scraper device (24) for scraping waste liquid and slag formed on the heat conduction rotary disc (22), a hollow heating cavity (221) is formed in the heat conduction rotary disc (22), and the drying device further comprises a driving mechanism (25) for driving the heat conduction rotary disc (22) to rotate, A heating device (26) for heating the heating cavity (221), wherein the output end of the water pumping pipeline (23) faces the heat-conducting rotary disc (22).
2. The wastewater treatment system according to claim 1, wherein: the heat conduction rotary table (22) is located right above the waste milk storage tank (21), the output end of the water pumping pipeline (23) is connected with a spray head (27) used for spraying waste liquid to the heat conduction rotary table (22), the spray head (27) comprises a table surface spray head used for spraying the waste liquid to the table surface of the heat conduction rotary table (22) and/or an edge spray head used for spraying the waste liquid to the edge circumferential surface of the heat conduction rotary table (22), and the water outlet end of the table surface spray head is close to the center of the table surface of the heat conduction rotary table (22).
3. The wastewater treatment system according to claim 2, wherein: scraper device (24) include quotation scraper and/or marginal scraper, wherein the quotation scraper with the corresponding quotation of heat conduction carousel (22) is corresponding to be cooperated, wherein the marginal scraper with the corresponding cooperation of marginal periphery, scraper device (24) still including set up in be used for collecting the waste liquid sediment collection device who scrapes the solid waste under the scraper.
4. The wastewater treatment system according to claim 3, wherein: the driving mechanism (25) comprises a gear ring fixedly arranged at the central part of the heat-conducting turntable (22), a power device and a transmission device arranged between the gear ring and the power device.
5. The wastewater treatment system according to claim 4, wherein: the heating device (26) comprises a heat source heating device and a heat source conveying pipe, one end of the heat source conveying pipe is communicated with the heat source heating device, the other end of the heat source conveying pipe penetrates through the gear ring and is connected into the heating cavity of the heat conduction rotary disc in a sealing mode, and the heat source heating device is communicated with the interior of the heat conduction rotary disc through the heat source conveying pipe.
6. The wastewater treatment system according to claim 1, wherein: the sewage pretreatment unit (1) comprises a waste liquid collecting tank (11) for collecting and storing sewage, a PH adjusting tank (12) for adjusting the sewage, a reaction tank (13) for demulsifying the sewage, a coagulation tank (14) for coagulating the sewage, and a first-stage air flotation tank (15) for separating waste emulsion and waste liquid from the sewage through a mud-water collecting and separating device.
7. The wastewater treatment system according to claim 6, wherein: the sewage pretreatment unit (1) further comprises an extremely strong oxidation tank (16) for carrying out reoxidation on the wastewater liquid output by the primary air flotation tank (15), and a secondary air flotation tank (17) for carrying out again waste emulsion and wastewater liquid separation on the sewage output by the extremely strong oxidation tank (16) through a mud-water collection and separation device.
8. The wastewater treatment system according to claim 1, wherein: the wastewater treatment unit (3) comprises a treatment water tank (31) arranged behind the wastewater pretreatment unit (1), and a membrane filtration device (32) of a UF membrane used for removing suspended wastewater and/or an RO reverse osmosis membrane used for removing pollutant ions in water.
9. The wastewater treatment system according to claim 1, wherein: the waste gas treatment unit (4) comprises a horn-shaped air suction opening positioned right above the heat conduction rotary table, an air suction pipeline connected to the horn-shaped air suction opening, and an oil mist separator, a flame arrester, a waste gas combustion furnace and a condensing device which are sequentially arranged on the air suction pipeline.
10. The wastewater treatment system according to any of claims 1-9, wherein: the sewage treatment system comprises a container type container frame body, and supporting legs and/or container wheels arranged at the bottom of the container body, wherein the sewage pretreatment unit (1), the waste emulsion drying unit (2), the waste water liquid treatment unit (3) and the waste gas treatment unit (4) are respectively arranged in the container frame body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778107.2U CN214496015U (en) | 2020-11-26 | 2020-11-26 | Sewage treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022778107.2U CN214496015U (en) | 2020-11-26 | 2020-11-26 | Sewage treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214496015U true CN214496015U (en) | 2021-10-26 |
Family
ID=78206539
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022778107.2U Active CN214496015U (en) | 2020-11-26 | 2020-11-26 | Sewage treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214496015U (en) |
-
2020
- 2020-11-26 CN CN202022778107.2U patent/CN214496015U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108706802B (en) | Treatment method and treatment system for pollutants generated by household garbage incineration | |
| CN103787541B (en) | Heat-engine plant wet desulfurization wastewater recoverying and utilizing method and device thereof | |
| CN104926008A (en) | Wet desulfurization wastewater zero emission process and device thereof | |
| CN105461102B (en) | A kind of processing method for washing cigarette waste water | |
| CN203593682U (en) | Stack gas condensate water treating device | |
| KR101168691B1 (en) | Method and system for treating supernatant of food waste | |
| CN111115902A (en) | Oil and fluorine removing process for high-salinity organic wastewater | |
| CN109399852A (en) | A kind of contaminated soil thermal desorption wastewater zero discharge system and method | |
| CN214496015U (en) | Sewage treatment system | |
| CN211515533U (en) | Industrial sodium chloride resource utilization process device | |
| CN112456714A (en) | Sewage treatment system | |
| CN112607936A (en) | Sewage treatment process | |
| KR20180078369A (en) | Saline-containing food waste disposal apparatus and disposal method | |
| CN214829136U (en) | Integrated hazardous waste treatment machine | |
| CN109437350B (en) | Chemical three-waste comprehensive treatment system and method | |
| CN105481192B (en) | A kind of dyeing and printing sewage handles recovery method | |
| CN108751513B (en) | System for be used for thermal desorption to contain mercury waste water treatment and mercury recycling recovery thereof | |
| CN213407831U (en) | Treatment system for treating sponge production wastewater | |
| CN112456588A (en) | Integrated hazardous waste treatment machine | |
| CN209428327U (en) | A kind of contaminated soil thermal desorption wastewater zero discharge system | |
| CN111151090A (en) | Comprehensive treatment method for waste water and waste gas | |
| CN104773892A (en) | High-salt industrial sewage treatment technology and apparatus thereof | |
| CN110902886A (en) | Method for directly curing cutting waste liquid | |
| CN211394218U (en) | High-salt-content phenol-containing organic wastewater treatment system | |
| CN213680167U (en) | Oily sludge thermal desorption wastewater treatment skid-mounted device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |