CN111675412A - Novel coking wastewater ammonia nitrogen component desorption equipment - Google Patents
Novel coking wastewater ammonia nitrogen component desorption equipment Download PDFInfo
- Publication number
- CN111675412A CN111675412A CN202010572258.4A CN202010572258A CN111675412A CN 111675412 A CN111675412 A CN 111675412A CN 202010572258 A CN202010572258 A CN 202010572258A CN 111675412 A CN111675412 A CN 111675412A
- Authority
- CN
- China
- Prior art keywords
- ammonia nitrogen
- coking wastewater
- plate
- shell
- wastewater
- 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.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/20—Treatment of water, waste water, or sewage by degassing, i.e. liberation of dissolved gases
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/34—Nature of the water, waste water, sewage or sludge to be treated from industrial activities not provided for in groups C02F2103/12 - C02F2103/32
Abstract
The invention relates to the technical field of chemical filler production and processing, and discloses novel coking wastewater ammonia nitrogen component removing equipment, which solves the technical problem of poor separating effect of the existing ammonia nitrogen removing tower and comprises a filtering device, an alkaline adjusting device, a heating device, a removing device and a waste gas treatment device which are sequentially arranged; the removing device comprises a shell, and an annular pipe, an inverted cone-shaped plate, a speed reducing plate and a lifting assembly which are sequentially arranged in the shell from top to bottom; the lifting assembly comprises a rotating shaft and a lifting page plate, the rotating shaft is rotatably installed inside the shell, the diameter side edge of the lifting page plate is semicircular and is fixed on the rotating shaft, a supporting arm is vertically arranged on the lifting page plate, and ceramic filler is arranged on the supporting arm. According to the technical scheme, the novel ammonia nitrogen component removing equipment is provided, the removing ratio is provided, the concentration discharge standard can be reached, and the purpose of improving the ammonia nitrogen component removing effect is achieved.
Description
Technical Field
The invention relates to the technical field of chemical filler production and processing, in particular to novel coking wastewater ammonia nitrogen component removing equipment.
Background
The coking wastewater is industrial wastewater containing volatile phenol, polycyclic aromatic hydrocarbon, oxygen, sulfur, nitrogen and other heterocyclic compounds generated in the processes of high-temperature dry distillation, purification and byproduct recovery of coking or coal gas, and is industrial organic wastewater which is high in COD (chemical oxygen demand), high in ammonia nitrogen and difficult to treat.
For years, a great deal of research and development is carried out on the treatment method of ammonia nitrogen wastewater at home and abroad, and a new way for removing ammonia nitrogen is continuously sought. Various treatments such as nitrification and denitrification, stripping, ion exchange, and breakpoint chlorination have been developed. Although a plurality of treatment methods for ammonia nitrogen wastewater exist, the method has the defects of large capital investment, high operation cost and small treatment capacity, and the ammonia nitrogen removal index is difficult to reach the concentration discharge standard specified by the state.
At present, people generally adopt an ammonia nitrogen removal tower to remove ammonia nitrogen in coking wastewater, but the effect is not ideal.
Disclosure of Invention
Aiming at the technical problem that the separation effect of an ammonia nitrogen removal tower provided in the background technology is poor, the invention provides a novel ammonia nitrogen component removal device, which provides a separation ratio, so that the concentration discharge standard can be reached, and the aim of improving the ammonia nitrogen component removal effect is fulfilled.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a novel coking wastewater ammonia nitrogen component desorption equipment, including setting gradually:
the device comprises a filtering device, an alkaline adjusting device, a heating device, a removing device and a waste gas treatment device; the filtering device filters the coking wastewater and removes solid impurities in the coking wastewater; the alkalinity adjusting device is used for increasing the pH value of the coking wastewater to make the coking wastewater alkaline; the heating device is used for heating the coking wastewater; the removing device is used for removing ammonia nitrogen gas in the coking wastewater; the waste gas treatment device is used for treating the removed ammonia nitrogen gas;
the removing device comprises a shell, and an annular pipe, an inverted cone-shaped plate, a speed reducing plate and a lifting assembly which are sequentially arranged in the shell from top to bottom, wherein the shell is cylindrical, the annular pipe is coaxially arranged in the shell, and the bottom of the annular pipe is provided with water leakage holes which are uniformly distributed;
the reverse conical plate is arranged right below the annular pipe, water leakage holes are uniformly distributed on the reverse conical plate, wastewater in the annular pipe uniformly drops to the edge of the reverse conical plate through the water leakage holes, and the wastewater at the edge of the reverse conical plate is gathered to the axis of the reverse conical plate along the inclined conical surface of the reverse conical plate and drops through the water leakage holes in the gathering process;
the speed reducing plate is arranged right below the inverted cone-shaped plate, the waste water dropping on the inverted cone-shaped plate falls on the speed reducing plate, the speed reducing plate is also provided with water leakage holes, and the waste water dropping on the speed reducing plate falls through the water leakage holes;
the lifting assembly is rotatably arranged in the shell and is positioned right below the speed reducing plate;
the lifting assembly comprises a rotating shaft and a lifting blade plate, the rotating shaft is rotatably installed inside the shell, the lifting blade plate is semicircular, the diameter side edge of the lifting blade plate is fixed to the rotating shaft, a supporting arm is vertically arranged on the lifting blade plate, and ceramic filler is arranged on the supporting arm.
Through the technical scheme, when the equipment is used: the coking wastewater is filtered from the filtering device, and solid impurities in the coking wastewater are mainly filtered. Then, the coking wastewater flows into an alkaline adjusting device, and the pH value of the coking wastewater is raised by adding alkaline liquid or other alkaline adjusting agents, so that the coking wastewater is in strong alkalinity. The coking wastewater with the increased PH value is heated by the heating device, so that the wastewater has a certain temperature, and the ammonia nitrogen gas in the wastewater is convenient to remove. Then flow into among the desorption device, the desorption device is mainly the surface area of increase waste water for gas easily breaks away from, including ring pipe, the down cone plate, air brake and promotion subassembly etc. all are in order to increase the surface area of waste water and reduce the falling speed of waste water, thereby improve ammonia nitrogen gas's desorption proportion, reach the purpose that improves ammonia nitrogen component desorption effect.
The invention is further configured to: the filter device comprises a shell, a first filter screen, a second filter screen and a third filter screen, wherein the first filter screen, the second filter screen and the third filter screen are sequentially arranged in the shell from top to bottom, a water inlet is sequentially formed in the shell, and a water outlet is formed in the other side of the shell.
The invention is further configured to: the alkalinity adjusting device comprises an adjusting box body, a stirrer, an alkali liquor feeding port and a PH value tester, wherein the stirrer is rotatably arranged inside the adjusting box body.
The invention is further configured to: the heating device is a heating structure used for heating the wastewater conveyed in the pipeline.
The invention is further configured to: the top of the shell is provided with a gas storage space, and the separated ammonia gas is sucked into the gas storage space.
The invention is further configured to: the waste gas treatment device comprises a cooling pool and a sulfuric acid pool, wherein ammonia gas stored in the gas storage space is firstly introduced into the cooling pool and then introduced into the sulfuric acid pool.
In conclusion, the invention has the following beneficial effects:
(1) the whole equipment is simple;
(2) the removal proportion is high, and the removal effect is good;
(3) the ammonia nitrogen gas is recycled, and the environment is protected.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a coking wastewater ammonia nitrogen component removal device;
fig. 2 is a schematic view of the installation structure of the lifting plate.
Reference numerals: 100. a filtration device; 101. a housing; 102. a first filter screen; 103. a second filter screen; 104. a third filter screen; 105. a water inlet; 106. a water outlet; 200. an alkaline adjusting device; 201. adjusting the box body; 202. a stirrer; 203. an alkali liquor inlet; 204. a pH value measuring device; 300. a temperature raising device; 400. a removal device; 401. a housing; 402. an annular tube; 403. a reverse tapered plate; 404. a speed reduction plate; 405. a lifting assembly; 4051. a rotating shaft; 4052. lifting the page plate; 4053. a support arm; 4054. a ceramic filler; 406. a gas storage space; 500. an exhaust gas treatment device; 501. a cooling pool; 502. and (4) a sulfuric acid tank.
Detailed Description
The present invention will be described in further detail with reference to examples and drawings, but the present invention is not limited to these examples.
A novel coking wastewater ammonia nitrogen component removing device is shown in figure 1, and comprises a filtering device 100, an alkaline adjusting device 200, a heating device 300, a removing device 400 and a waste gas treatment device 500, wherein the working process of the device is approximately: the coking wastewater is filtered from the filtering device 100, and mainly solid impurities in the coking wastewater are filtered. Then, the coking wastewater flows into the alkaline adjusting device 200, and the PH value of the coking wastewater is raised by adding alkaline liquid or other alkaline adjusting agents so that the coking wastewater is strongly alkaline. The coking wastewater with the increased PH value is heated by the heating device 300, so that the wastewater has a certain temperature, and the ammonia nitrogen gas in the wastewater is convenient to remove. Then flows into a removing device 400, which mainly increases the surface area of the wastewater to make the gas easily separated out, so as to achieve the purposes of high removing proportion and good removing effect. The concrete five-part structure is as follows:
the filtering apparatus 100, the filtering apparatus 100 filters the coking wastewater and removes solid impurities in the coking wastewater. The filtering device 100 comprises a shell 101, a first filter screen 102, a second filter screen 103 and a third filter screen 104, wherein the first filter screen 102, the second filter screen 103 and the third filter screen 104 are sequentially arranged inside the shell 101 from top to bottom, a water inlet 105 is sequentially arranged on the shell 101, and a water outlet 106 is arranged on the other side of the shell 101.
The alkalinity adjusting device 200 is used for increasing the pH value of the coking wastewater, so that the coking wastewater is alkaline. The alkaline adjusting device 200 comprises an adjusting box 201, a stirrer 202, an alkaline liquid feeding port 203 and a pH value tester 204, wherein the stirrer 202 is rotatably arranged inside the adjusting box 201.
The heating device 300 is used for heating the coking wastewater, and the heating device 300 is used for heating the coking wastewater. The temperature increasing device 300 is a heating structure for heating the wastewater transported in the pipe.
The removing device 400, the removing device 400 is used for removing ammonia nitrogen gas in the coking wastewater. The waste gas treatment device 500 is used for treating the removed ammonia nitrogen gas. The removing device 400 comprises a shell 401, and an annular pipe 402, an inverted conical plate 403, a speed reducing plate 404 and a lifting assembly 405 which are sequentially arranged inside the shell from top to bottom, wherein the shell 401 is cylindrical, the annular pipe 402 is coaxially arranged inside the shell 401, and the bottom of the annular pipe 402 is provided with water leakage holes which are uniformly distributed.
The inverted cone-shaped plate 403 is arranged right below the annular pipe 402, water leakage holes are uniformly distributed on the inverted cone-shaped plate 403, wastewater in the annular pipe 402 uniformly drops to the edge of the inverted cone-shaped plate 403 through the water leakage holes, and the wastewater at the edge of the inverted cone-shaped plate 403 is converged to the axis of the inverted cone-shaped plate 403 along the inclined conical surface of the inverted cone-shaped plate 403 and drops through the water leakage holes in the converging process. The speed reducing plate 404 is arranged right below the inverted cone-shaped plate 403, the waste water dropping from the inverted cone-shaped plate 403 falls on the speed reducing plate 404, water leakage holes are also formed in the speed reducing plate 404, and the waste water dropping on the speed reducing plate 404 falls through the water leakage holes.
The lifting assembly 405 is rotatably mounted within the housing 401 directly below the speed reduction plate 404. The lifting assembly 405 comprises a rotating shaft 4051 and a lifting sheet 4052, the rotating shaft 4051 is rotatably mounted inside the housing 401, the lifting sheet 4051 is semicircular and the diameter side of the lifting sheet 4051 is fixed on the rotating shaft 4051, as can be seen from fig. 2, a support arm 4053 is vertically arranged on the lifting sheet 4051, and a ceramic filler 4054 is arranged on the support arm 4053. The top of the housing 401 is provided with a gas storage space 406, and the ammonia gas released is sucked into the gas storage space 406.
The waste gas treatment device 500, the waste gas treatment device 500 includes a cooling tank 501 and a sulfuric acid tank 502, and the ammonia gas stored in the gas storage space 406 is firstly introduced into the cooling tank 501 and then introduced into the sulfuric acid tank 502.
When the equipment is used: the coking wastewater is filtered from the filtering device 100, and mainly solid impurities in the coking wastewater are filtered. Then, the coking wastewater flows into the alkaline adjusting device 200, and the PH value of the coking wastewater is raised by adding alkaline liquid or other alkaline adjusting agents so that the coking wastewater is strongly alkaline. The coking wastewater with the increased PH value is heated by the heating device 300, so that the wastewater has a certain temperature, and the ammonia nitrogen gas in the wastewater is convenient to remove. Then the ammonia nitrogen gas flows into a removing device 400, the removing device mainly increases the surface area of the wastewater, so that the gas is easy to separate, and the ammonia nitrogen gas comprises an annular pipe 402, an inverted cone-shaped plate 403, a speed reduction plate 404, a lifting component 405 and the like, which are all used for increasing the surface area of the wastewater and reducing the descending speed of the wastewater, so that the removing proportion of the ammonia nitrogen gas is improved, and the purpose of improving the removing effect of the ammonia nitrogen component is achieved.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. The utility model provides a novel coking wastewater ammonia nitrogen component desorption equipment, including setting gradually:
the device comprises a filtering device (100), an alkaline adjusting device (200), a heating device (300), a removing device (400) and an exhaust gas treatment device (500); the filtering device (100) filters the coking wastewater and removes solid impurities in the coking wastewater; the alkalinity adjusting device (200) is used for increasing the pH value of the coking wastewater to make the coking wastewater alkaline; the heating device (300) is used for heating the coking wastewater; the removing device (400) is used for removing ammonia nitrogen gas in the coking wastewater; waste gas treatment device (500) are used for handling the ammonia nitrogen gas that gets out of desorption, its characterized in that:
the removing device (400) comprises a shell (401), and an annular pipe (402), an inverted conical plate (403), a speed reducing plate (404) and a lifting assembly (405) which are sequentially arranged in the shell from top to bottom, wherein the shell (401) is cylindrical, the annular pipe (402) is coaxially arranged in the shell (401), and the bottom of the annular pipe (402) is provided with water leakage holes which are uniformly distributed;
the inverted conical plate (403) is arranged right below the annular pipe (402), water leakage holes are uniformly distributed on the inverted conical plate (403), wastewater in the annular pipe (402) uniformly drips to the edge of the inverted conical plate (403) through the water leakage holes, and the wastewater at the edge of the inverted conical plate (403) is converged to the axis of the inverted conical plate (403) along the inclined conical surface of the inverted conical plate (403) and drips through the water leakage holes in the converging process;
the speed reducing plate (404) is arranged right below the inverted cone-shaped plate (403), the waste water dropping from the inverted cone-shaped plate (403) falls on the speed reducing plate (404), the speed reducing plate (404) is also provided with water leakage holes, and the waste water dropping on the speed reducing plate (404) falls through the water leakage holes;
the lifting assembly (405) is rotatably mounted inside the shell (401) and is positioned right below the speed reduction plate (404);
promote subassembly (405) including pivot (4051) and promotion page or leaf board (4052), pivot (4051) are rotated and are installed inside shell (401), promote page or leaf board (4051) semicircular in shape and promote the diameter side of page or leaf board (4051) and fix on pivot (4051), it goes up perpendicular support arm (4053) to be equipped with on the promotion page or leaf board (4051), be equipped with ceramic packing (4054) on support arm (4053).
2. The novel equipment for removing the ammonia nitrogen component in the coking wastewater according to the claim 1 is characterized in that: filter equipment (100) includes casing (101), first filter screen (102), second filter screen (103) and third filter screen (104) are in proper order top-down install in the inside of casing (101), casing (101) be equipped with water inlet (105) in proper order, the opposite side of casing (101) is equipped with delivery port (106).
3. The novel equipment for removing the ammonia nitrogen component in the coking wastewater according to claim 2 is characterized in that: the alkaline adjusting device (200) comprises an adjusting box body (201), a stirrer (202), an alkaline liquor feeding port (203) and a PH value measurer (204), wherein the stirrer (202) is rotatably arranged inside the adjusting box body (201).
4. The novel equipment for removing the ammonia nitrogen component in the coking wastewater according to the claim 3 is characterized in that: the heating device (300) is a heating structure for heating the wastewater conveyed in the pipeline.
5. The novel coking wastewater ammonia nitrogen component removal equipment according to claim 4, characterized in that: the top of the shell (401) is provided with a gas storage space (406), and the separated ammonia gas is sucked into the gas storage space (406).
6. The novel coking wastewater ammonia nitrogen component removal equipment according to claim 5, characterized in that: the waste gas treatment device (500) comprises a cooling pool (501) and a sulfuric acid pool (502), wherein ammonia gas stored in the gas storage space (406) is firstly introduced into the cooling pool (501) and then introduced into the sulfuric acid pool (502).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572258.4A CN111675412A (en) | 2020-06-22 | 2020-06-22 | Novel coking wastewater ammonia nitrogen component desorption equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010572258.4A CN111675412A (en) | 2020-06-22 | 2020-06-22 | Novel coking wastewater ammonia nitrogen component desorption equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111675412A true CN111675412A (en) | 2020-09-18 |
Family
ID=72436194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010572258.4A Pending CN111675412A (en) | 2020-06-22 | 2020-06-22 | Novel coking wastewater ammonia nitrogen component desorption equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111675412A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011125763A (en) * | 2009-12-15 | 2011-06-30 | Hsien Min Yang | Apparatus for absorbing carbon dioxide in air |
| CN103803670A (en) * | 2014-02-27 | 2014-05-21 | 中国矿业大学(北京) | Atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system |
| CN107324579A (en) * | 2017-08-23 | 2017-11-07 | 萍乡市华星化工设备填料有限公司 | New coking chemical waste water ammonia nitrogen component removes equipment |
| CN108190989A (en) * | 2017-12-28 | 2018-06-22 | 华中科技大学 | A kind of ammonia nitrogen removal method and device suitable for high ammonia-nitrogen wastewater |
| CN110642320A (en) * | 2019-08-27 | 2020-01-03 | 中北大学 | A rotatory packed bed for handling ammonia nitrogen waste water |
| CN210559825U (en) * | 2019-09-18 | 2020-05-19 | 深圳市三江物联环保科技有限公司 | Wastewater treatment device for removing high ammonia nitrogen |
-
2020
- 2020-06-22 CN CN202010572258.4A patent/CN111675412A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011125763A (en) * | 2009-12-15 | 2011-06-30 | Hsien Min Yang | Apparatus for absorbing carbon dioxide in air |
| CN103803670A (en) * | 2014-02-27 | 2014-05-21 | 中国矿业大学(北京) | Atomization-evaporation high-ammonia-and-nitrogen wastewater treatment system |
| CN107324579A (en) * | 2017-08-23 | 2017-11-07 | 萍乡市华星化工设备填料有限公司 | New coking chemical waste water ammonia nitrogen component removes equipment |
| CN108190989A (en) * | 2017-12-28 | 2018-06-22 | 华中科技大学 | A kind of ammonia nitrogen removal method and device suitable for high ammonia-nitrogen wastewater |
| CN110642320A (en) * | 2019-08-27 | 2020-01-03 | 中北大学 | A rotatory packed bed for handling ammonia nitrogen waste water |
| CN210559825U (en) * | 2019-09-18 | 2020-05-19 | 深圳市三江物联环保科技有限公司 | Wastewater treatment device for removing high ammonia nitrogen |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202542904U (en) | Micro flotation water purifier for treating papermaking wastewater | |
| CN101016175B (en) | Method of eliminating magnesium sulfate from magnesium sulfate containing waste water solution | |
| CN103787541B (en) | Heat-engine plant wet desulfurization wastewater recoverying and utilizing method and device thereof | |
| CN103230729A (en) | Waste gas purification system in rubber processing field | |
| CN110917840A (en) | Diversified exhaust treatment system | |
| CN102172467B (en) | Method and system for combined treatment of boiler smoke and alkaline waste water and waste heat utilization | |
| CN104229757B (en) | A kind of method of dirty acid purification being processed to Returning process recycling | |
| CN203253334U (en) | Exhaust gas purifying system in rubber processing field | |
| CN111675412A (en) | Novel coking wastewater ammonia nitrogen component desorption equipment | |
| CN215539670U (en) | Carbon dioxide production exhaust treatment device | |
| CN206872572U (en) | A kind of NF membrane advanced purification system for handling Desulphurization for Coal-fired Power Plant waste water | |
| CN104528974A (en) | Oil removal process for quality improving sewage of coal | |
| CN212334900U (en) | Zero-emission full-evaporation treatment device for landfill leachate | |
| CN208865357U (en) | A kind of desorption tail gas cleaning treatment system of indirect thermal containing mercury contaminated soil | |
| CN219502385U (en) | Caprolactam refining tail gas processing apparatus | |
| CN213295059U (en) | High concentration effluent treatment plant | |
| CN220328956U (en) | Oxidation tail gas treatment system of phenol acetone device | |
| CN208949014U (en) | A kind of coking advanced waste treatment system using useless carbon dust | |
| CN214437879U (en) | Voc gas cleaning device | |
| CN220589464U (en) | Conduction oil VOC adsorption equipment | |
| CN214183132U (en) | Active carbon regeneration system | |
| CN217746065U (en) | Waste water treatment device for oil extraction in oil field | |
| CN108384584A (en) | A kind of fixed bed coal gas-made technology three-protection design method and system | |
| CN115970460B (en) | Flue gas treatment device and method | |
| CN213942554U (en) | High-efficient dust removal efflux thoughtlessly moves tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200918 |