CN104445725B - Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus - Google Patents
Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus Download PDFInfo
- Publication number
- CN104445725B CN104445725B CN201410670310.4A CN201410670310A CN104445725B CN 104445725 B CN104445725 B CN 104445725B CN 201410670310 A CN201410670310 A CN 201410670310A CN 104445725 B CN104445725 B CN 104445725B
- Authority
- CN
- China
- Prior art keywords
- gas
- district
- ammonia
- waste gas
- nitrogen desorption
- 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
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
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- 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
- B01D53/02—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 by adsorption, e.g. preparative gas chromatography
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
Abstract
A kind of waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus comprise ammonia-nitrogen desorption district, gas collection district, scrubbing dust collection district, mist eliminator, activated carbon adsorption layer and vent fan; Ammonia-nitrogen desorption district is provided with sediment discharge valve, air intake duct, gas distribution pipe, wastewater inlet pipe, water distributor, triphase separator and rising pipe, and wastewater inlet pipe connects alkali lye to be added and measuring apparatus; Gas collection district is provided with gas-liquid separator, gas skirt, effuser and stripping gas air pump, and effuser is connected sulfuric acid absorption pond with stripping gas air pump; Waste gas scrubbing dust collection district is provided with process water spray system, exhaust inlet pipe, waste gas gas distribution pipe and process water-circulating pump; For cylindrical, upper and lower two ends are conical tank body in the middle of integrated apparatus, adopt vertical vertical placement, the conical tank body place of topmost is provided with vent fan.
Description
Technical field
The present invention relates to technical field of environment pollution control, especially a kind of waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus.
Background technology
In recent years along with the fast development of economy, the quantity discharged of waste gas, waste water continues to increase, and the gray haze contained in waste gas causes serious haze weather; The nutritive substances such as the nitrogen phosphorus contained in waste water, the water system Eutrophic Extents such as rivers and lakes are constantly increased the weight of, destroys function of water body, break original eubiosis, water surrounding day by day worsens.
Current exhaust gas dust Pollution abatement many employings electric precipitation, bag-type dust; High-concentration ammonia nitrogenous wastewater process many employings blow-off method, biological process and break point chlorination method, treatment facility complex structure, complex operation, processing cost are higher.
Chinese patent " a kind of utilize the method for Chemical Mixed Fertilizer off gas treatment waste water and device " (application number: 201410359965.X) discloses a kind of method and the device that utilize off gas treatment waste water, comprise wastewater collection pond, add the facilities and equipments such as alkali regulating tank, tank, this patent of invention decontamination effect improving is obvious, but this patent exists following defect: 1. ammonia is not recycled, cause waste and pollute; 2. treatment facility, equipment are more, complex management; 3. processing cost is higher.
Summary of the invention
The technical problem to be solved in the present invention is: the defect overcoming the higher problem of prior art device structure complexity, complex operation, processing cost and foregoing invention, a kind of waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus are provided, effectively can process the waste gas and high-concentration ammonia nitrogenous wastewater that are rich in dust.
The technical solution adopted for the present invention to solve the technical problems is: a kind of waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus, be upwards followed successively by ammonia-nitrogen desorption district, gas collection district, scrubbing dust collection district, mist eliminator, activated carbon adsorption layer and vent fan from bottom of device.
Described ammonia-nitrogen desorption district is positioned at the foot of whole device, described bottom, ammonia-nitrogen desorption district is provided with sediment discharge valve, middle and lower part, ammonia-nitrogen desorption district is provided with air intake duct and gas distribution pipe, the top of ammonia-nitrogen desorption district one middle side part, gas distribution pipe is provided with wastewater inlet pipe and water distributor, opposite side top, ammonia-nitrogen desorption district is provided with triphase separator and water outlet, and water outlet connects rising pipe.
Described gas collection district is positioned at the top in ammonia-nitrogen desorption district, and described gas collection district is provided with gas-liquid separator and gas skirt, and described gas skirt is conical structure, and the topmost of described gas skirt connects effuser and stripping gas air pump.
Described waste gas scrubbing dust collection district is positioned at the middle and upper part of whole device; Described top, waste gas scrubbing dust collection district is provided with process water spray system, exhaust inlet pipe and waste gas gas distribution pipe is provided with in the middle part of described waste gas scrubbing dust collection district, described process water spray system connection handling water-circulating pump, process water-circulating pump connects the rising pipe in ammonia-nitrogen desorption district.
Described top, waste gas scrubbing dust collection district is provided with mist eliminator, mist eliminator is collected by the large drop in gas, and make it to return, and reduces the moisture in gas, its principle of work is that gas enters mist eliminator, through a series of bend, discharge from top, and water droplet is due to the effect of its quality and kinetic energy, through racetrack portion, straight line falls, and collides the surface of mist eliminator, and is rebounding under action of gravity.
Described mist eliminator top is provided with activated carbon adsorption layer, in described activated carbon adsorption layer, gac is set, the advantages such as gac requires to have hole prosperity, specific surface area is large, rate of adsorption is fast, friction resistant, resistance to flushing, as the operation through the long period, discovery gac becomes sticky, and just need change gac in time when gas prompt drop is low.
Further, exhaust inlet pipe is all connected heat exchanger with air intake duct, heats in heat exchanger from the waste heat in waste gas to fresh air, to improve the stripping efficiency of waste water.
Further, effuser is connected sulfuric acid absorption pond with stripping gas air pump, recycles ammonia.
Concrete, described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus centre are cylindrical, upper and lower two ends is conical tank body, described tank body offers observation port and examine and replace mouth, tank body volume size can be determined according to the number of pending waste water and waste gas, adopts vertical vertical placement.
Gas for ease of processing is discharged, and the conical tank body place of described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus topmost is provided with vent fan.
Further, described wastewater inlet pipe connects alkali lye to be added and measuring apparatus, and described alkali lye adds and measuring apparatus comprises alkali liquid tank, whipping appts and metering system.
Described alkali lye is sodium hydroxide solution or lime aqueous solution; Further, the pH value of adding waste water in the water inlet pipe after alkali lye is 10.5 ~ 11.5.
Further, described process water spray system is spirrillum spray equipment; The water ejected presents vaporific, and mixing together between water smoke, do not stay dead angle, be conducive to the contact area expanding waste gas and solution, improve specific absorption and assimilation effect.
Further preferred equipment, mist eliminator is traverse baffle mist eliminator or overflowing board mist eliminator.
The invention has the beneficial effects as follows, first alkali lye interpolation and measuring apparatus add alkali lye to the high-concentration ammonia nitrogenous wastewater in wastewater inlet pipe, make the pH value of waste water remain between 10.5 ~ 11.5, waste water enters integrated apparatus, under the effect of water distributor, realize water distribution uniformity; Fresh air is heated by waste gas in heat exchanger, by inlet pipe and gas distribution pipe, fresh air carries out stripping to waste water, the ammonia effusion water surface under the effect of triphase separator, gas-liquid separator and gas skirt in waste water, enter sulfuric acid absorption pond by effuser and stripping gas air pump, recycle; Triphase separator realizes gas, solid is separated with liquid, throw out is emitted by the sediment discharge valve of bottom, water after stripping process is flowed out by water outlet, rising pipe, part process water pumps into process water spray system by the process water-circulating pump in waste gas scrubbing dust collection district, and unnecessary process water emits; Waste gas after heat exchange enters in waste gas scrubbing dust collection district, process water sprays from uniform process water spray system, form countless fine mist, after waste gas fully mixes and contacts, the materials such as the dust in waste gas are absorbed in process water, absorb the process water after dust and flow into ammonia-nitrogen desorption district along the gap between gas skirt and gas-liquid separator under gravity, recycle; Then gas rise and enter mist eliminator, drop in gas is here blocked, and then gas enters activated carbon adsorption layer, and the material be mingled with in gas and drop are here blocked and absorb, so far waste gas is processed into clean gas, realizes qualified discharge; Waste gas of the present invention and high-concentration ammonia nitrogenous wastewater process integrated apparatus structure simply, are easy to manufacture, effectively can process and be rich in the waste gas of dust and the ammonia nitrogen waste water of high density.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is the structural representation of embodiments of the invention;
In figure: 1. ammonia-nitrogen desorption district, 1-1. sediment discharge valve, 1-2. air intake duct, 1-3. gas distribution pipe, 1-4. wastewater inlet pipe, 1-5. water distributor, 1-6. triphase separator, 1-7. rising pipe, 1-8. alkali lye adds and measuring apparatus, 2. gas collection district, 2-1. gas-liquid separator, 2-2. gas skirt, 2-3. effuser, 2-4. stripping gas air pump, 2-5. sulfuric acid absorption pond, 3. waste gas scrubbing dust collection district, 3-1. process water spray system, 3-2. exhaust inlet pipe, 3-3. waste gas gas distribution pipe, 3-4. process water-circulating pump, 4. mist eliminator, 5. activated carbon adsorption layer, 6. vent fan, 7. heat exchanger
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present invention are described in a schematic way, and therefore it only shows the formation relevant with the present invention.
Embodiment
Of the present invention a kind of waste gas as shown in Figure 1 and high-concentration ammonia nitrogenous wastewater process integrated apparatus, be upwards followed successively by ammonia-nitrogen desorption district 1, gas collection district 2, scrubbing dust collection district 3, mist eliminator 4, activated carbon adsorption layer 5 and vent fan 6 from bottom of device.
Described ammonia-nitrogen desorption district 1 is positioned at the foot of whole device, described bottom, ammonia-nitrogen desorption district 1 is provided with sediment discharge valve 1-1, middle and lower part, ammonia-nitrogen desorption district is provided with air intake duct 1-2 and gas distribution pipe 1-3, the top of ammonia-nitrogen desorption district one middle side part, gas distribution pipe 1-3 is provided with wastewater inlet pipe 1-4 and water distributor 1-5, opposite side top, ammonia-nitrogen desorption district is provided with triphase separator 1-6 and water outlet, and water outlet connects rising pipe 1-7.
Described gas collection district 2 is positioned at the top in ammonia-nitrogen desorption district 1, and described gas collection district 2 is provided with gas-liquid separator 2-1 and gas skirt 2-2, and described gas skirt 2-2 is conical structure, and the topmost of described gas skirt 2-2 connects effuser 2-3 and stripping gas air pump 2-4.
Described waste gas scrubbing dust collection district 3 is positioned at the middle and upper part of whole device; Process water spray system 3-1 is provided with in described waste gas scrubbing dust collection district 3, exhaust inlet pipe 3-2 and waste gas gas distribution pipe 3-3 is provided with in the middle part of described waste gas scrubbing dust collection district, described process water spray system 3-1 connection handling water-circulating pump 3-4, process water-circulating pump 3-4 connects the rising pipe 1-7 in ammonia-nitrogen desorption district.
Described top, waste gas scrubbing dust collection district 3 is provided with mist eliminator 4, mist eliminator 4 is collected by the large drop in gas, and make it to return, and reduces the moisture in gas, its principle of work is that gas enters mist eliminator 4, through a series of bend, discharge from top, and water droplet is due to the effect of its quality and kinetic energy, through racetrack portion, straight line falls, and collides the surface of mist eliminator 4, and is rebounding under action of gravity.
Described mist eliminator 4 top is provided with activated carbon adsorption layer 5, in described activated carbon adsorption layer 5, gac is set, the advantages such as gac requires to have hole prosperity, specific surface area is large, rate of adsorption is fast, friction resistant, resistance to flushing, as the operation through the long period, discovery gac becomes sticky, and just need change gac in time when gas prompt drop is low.
Further, exhaust inlet pipe 3-2 is connected heat exchanger 7 with air intake duct 1-2, heats in heat exchanger 7 from the waste heat in waste gas to fresh air, to improve the stripping efficiency of waste water.
Further, effuser 2-3 is connected sulfuric acid absorption pond 2-5 with stripping gas air pump 2-4, recycles the ammonia of stripping.
Further, described wastewater inlet pipe 1-4 connects alkali lye to be added and measuring apparatus 1-8, and described alkali lye adds and measuring apparatus 1-8 comprises alkali liquid tank, whipping appts and metering system.
Described alkali lye is sodium hydroxide solution; Further, the pH value of adding waste water in the wastewater inlet pipe 1-4 after alkali lye is 11.
Further, described process water spray system 3-1 is spirrillum spray equipment; The water ejected presents vaporific, and mixing together between water smoke, do not stay dead angle, be conducive to the contact area expanding waste gas and solution, improve specific absorption and assimilation effect.
Further preferred equipment, mist eliminator 4 is traverse baffle mist eliminator.
Concrete, described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus centre are cylindrical, upper and lower two ends is conical tank body, described tank body offers observation port and examine and replace mouth, tank body volume size can be determined according to the number of pending waste water and waste gas, adopts vertical vertical placement.
Waste exhaust gases for ease of processing is discharged, and the conical tank body place of described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus topmost is provided with vent fan 6.
First alkali lye interpolation and measuring apparatus 1-8 add alkali lye to the ammonia nitrogen in high density of features of DAP production workshop discharge in wastewater inlet pipe 1-4 and the waste water of phosphorus, the pH value of waste water is made to remain 11, then waste water enter in integrated apparatus, water distribution uniformity is realized under the effect of water distributor 1-5, fresh air utilizes the waste-heat of boiler waste gas in heat exchanger 7, by air intake duct 1-2 and gas distribution pipe 1-3, the fresh air that temperature is higher carries out stripping to waste water, ammonia in waste water is at triphase separator 1-6, to overflow under the effect of gas-liquid separator 2-1 and gas skirt 2-2 the water surface, sulfuric acid absorption pond 2-5 is entered by effuser 2-3 and stripping gas air pump 2-4, recycle, phosphorus in waste water and alkali react production throw out, triphase separator 1-6 realizes gas, solid is separated with liquid, throw out is emitted by the sediment discharge valve 1-1 of bottom, water after stripping process is by water outlet, rising pipe 1-7 flows out, part process water pumps into process water spray system 3-1 by the process water-circulating pump 3-4 in waste gas scrubbing dust collection district, unnecessary process water emits, waste gas after heat exchange enters in waste gas scrubbing dust collection district 3 by exhaust inlet pipe 3-2, process water sprays from uniform process water spray system 3-1, form countless fine mist, after waste gas fully mixes and contacts, the materials such as the dust in waste gas are absorbed in process water, absorb the process water after dust and flow into ammonia-nitrogen desorption district 1 along the gap between gas skirt 2-2 and gas-liquid separator 2-1 under gravity, under the effect of triphase separator 1-6, carry out mud-water separation, process water circulation use, then gas after dedusting enter mist eliminator 4, and the drop in gas is here blocked, then gas enters activated carbon adsorption layer 5, and the material be mingled with in gas and drop are here blocked and absorb, and so far waste gas is processed into clean gas, realizes qualified discharge.
With above-mentioned according to desirable embodiment of the present invention for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this invention technological thought, can carry out various change and amendment completely.The technical scope of this invention is not limited to the content on specification sheets, must determine its technical scope according to right.
Claims (1)
1. waste gas and a high-concentration ammonia nitrogenous wastewater process integrated apparatus, is characterized in that: described device comprises ammonia-nitrogen desorption district (1), gas collection district (2), waste gas scrubbing dust collection district (3), mist eliminator (4), activated carbon adsorption layer (5) and vent fan (6);
Described ammonia-nitrogen desorption district (1) is positioned at the foot of whole device, described ammonia-nitrogen desorption district (1) bottom is provided with sediment discharge valve (1-1), middle and lower part, ammonia-nitrogen desorption district is provided with air intake duct (1-2) and gas distribution pipe (1-3), the top of ammonia-nitrogen desorption district one middle side part, gas distribution pipe (1-3) is provided with wastewater inlet pipe (1-4) and water distributor (1-5), opposite side top, ammonia-nitrogen desorption district is provided with triphase separator (1-6) and water outlet, and water outlet connects rising pipe (1-7);
Described gas collection district (2) is positioned at the top of ammonia-nitrogen desorption district (1), described gas collection district (2) is provided with gas-liquid separator (2-1) and gas skirt (2-2), described gas skirt (2-2) is conical structure, and the topmost of described gas skirt (2-2) connects effuser (2-3) and stripping gas air pump (2-4);
Described waste gas scrubbing dust collection district (3) is positioned at the middle and upper part of whole device; Described waste gas scrubbing dust collection district (3) top is provided with process water spray system (3-1), exhaust inlet pipe (3-2) and waste gas gas distribution pipe (3-3) is provided with in the middle part of described waste gas scrubbing dust collection district, described process water spray system (3-1) connection handling water-circulating pump (3-4), process water-circulating pump (3-4) connects the rising pipe (1-7) in ammonia-nitrogen desorption district;
Described waste gas scrubbing dust collection district (3) top is provided with mist eliminator (4), and described mist eliminator (4) top is provided with activated carbon adsorption layer (5);
Described exhaust inlet pipe (3-2) is connected heat exchanger (7) with air intake duct (1-2);
Described effuser (2-3) is connected sulfuric acid absorption pond (2-5) with stripping gas air pump (2-4);
Described wastewater inlet pipe (1-4) connects alkali lye to be added and measuring apparatus (1-8), and described alkali lye adds and measuring apparatus (1-8) comprises alkali liquid tank, whipping appts and metering system;
Described process water spray system (3-1) is spirrillum spray equipment; Mist eliminator (4) is traverse baffle mist eliminator or overflowing board mist eliminator;
Described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus centre are conical tank body for cylindrical, upper and lower two ends, described tank body offer observation port and examine and replace mouth, adopt vertical vertical placement;
The conical tank body place of described waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus topmost is provided with vent fan (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670310.4A CN104445725B (en) | 2014-11-20 | 2014-11-20 | Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410670310.4A CN104445725B (en) | 2014-11-20 | 2014-11-20 | Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104445725A CN104445725A (en) | 2015-03-25 |
| CN104445725B true CN104445725B (en) | 2016-02-10 |
Family
ID=52892583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410670310.4A Active CN104445725B (en) | 2014-11-20 | 2014-11-20 | Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104445725B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104923051B (en) * | 2015-05-11 | 2017-06-13 | 苏州瑞钰特自动化科技有限公司 | A kind of coating waste gas, waste water, waste residue one cleaning system |
| CN105948306B (en) * | 2016-05-12 | 2018-09-21 | 华陆工程科技有限责任公司 | A kind of pretreatment of coal gasification waste water exhaust gas and method of comprehensive utilization |
| CN106396184A (en) * | 2016-11-17 | 2017-02-15 | 上海晶宇环境工程股份有限公司 | Ammonia stripping process and device for high-ammonia-nitrogen wastewater |
| CN106669392A (en) * | 2016-12-23 | 2017-05-17 | 常州大学 | Waste gas treatment device for setting machine |
| CN108275818B (en) * | 2018-01-25 | 2023-10-13 | 南昌大学 | System for rapidly recycling ammonia nitrogen in high ammonia nitrogen livestock and poultry wastewater |
| CN110075572B (en) * | 2019-05-24 | 2021-07-20 | 北京首钢朗泽新能源科技有限公司 | System and method for removing gas in feed liquid |
| CN110420545A (en) * | 2019-08-27 | 2019-11-08 | 孙灯成 | A kind of exhaust gas wastewater treatment equipment |
| CN111689659B (en) * | 2020-07-13 | 2023-11-24 | 福建中盟环保有限公司 | Integrated vertical high-concentration sulfate wastewater treatment device |
| CN113318547A (en) * | 2021-05-18 | 2021-08-31 | 上海灿越化工科技有限公司 | Method and device for removing coke powder from delayed coking quenching oil gas |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436980U (en) * | 2013-08-27 | 2014-02-19 | 瓮福（集团）有限责任公司 | Device for treating waste gas in diammonium phosphate production |
| CN103657306A (en) * | 2013-12-27 | 2014-03-26 | 常州大学 | Waste gas treatment device |
| CN104118954A (en) * | 2014-07-25 | 2014-10-29 | 贵港市芭田生态有限公司 | Method and device for treating wastewater by utilizing compound fertilizer waste gas |
-
2014
- 2014-11-20 CN CN201410670310.4A patent/CN104445725B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203436980U (en) * | 2013-08-27 | 2014-02-19 | 瓮福（集团）有限责任公司 | Device for treating waste gas in diammonium phosphate production |
| CN103657306A (en) * | 2013-12-27 | 2014-03-26 | 常州大学 | Waste gas treatment device |
| CN104118954A (en) * | 2014-07-25 | 2014-10-29 | 贵港市芭田生态有限公司 | Method and device for treating wastewater by utilizing compound fertilizer waste gas |
Non-Patent Citations (1)
| Title |
|---|
| 磷酸二铵反应造粒尾气余热的利用;黄进等;《磷肥与复肥》;20061130;第21卷(第6期);第27-29页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104445725A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104445725B (en) | Waste gas and high-concentration ammonia nitrogenous wastewater process integrated apparatus | |
| CN102241422B (en) | Circulating closed ammonia nitrogen stripping system | |
| CN202080917U (en) | Circulating closed-loop type ammonia nitrogen stripping system | |
| CN104056851A (en) | Integrated device for remediation on volatile pollution soil | |
| CN103657306A (en) | Waste gas treatment device | |
| CN104437047A (en) | Dedusting denitration and desulphurization device | |
| CN105032166A (en) | Integrated formaldehyde waste gas treatment device | |
| CN204051377U (en) | Effective integrated soda acid and organic exhaust gas adsorption device | |
| CN208911806U (en) | A kind of boiler smoke scrubbing tower | |
| CN205517101U (en) | Coal -fired exhaust treatment device of papermaking | |
| CN202576152U (en) | Hollow spray column type flue gas desulfurization wastewater concentration device | |
| CN106890849A (en) | A kind of device of in-situ immobilization diesel fuel contaminated soil | |
| CN205700139U (en) | A kind of boiler waste gas purification demister | |
| CN104492209A (en) | Petroleum ether exhaust-gas dedusting and recovery device | |
| CN102657985A (en) | Smoke sulfur-removing and dust-removing system | |
| CN112023636A (en) | Flue gas treatment washing tower | |
| CN104606994B (en) | Dedusting denitration desulfurization integrated device | |
| CN104437054B (en) | A kind of electrolytic aluminium waste gas disposal integrated apparatus | |
| CN208320385U (en) | A kind of elimination white cigarette device for wet fuel gas desulfurizing technology | |
| CN203694881U (en) | Waste gas purification treatment system | |
| CN209397047U (en) | A kind of coal chemical industrial waste water removes the device of removing exhaust gas sundries | |
| CN201445906U (en) | Spraying and cooling device for processing amino acid zymotic waste gas | |
| CN108854484A (en) | Medium small boiler coal-fired flue gas desulfurization and denitration device | |
| CN212974603U (en) | Tail gas treatment device | |
| CN213467324U (en) | Waste treatment device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201207 Address after: 213164 North Building of Huiyan Building, Changzhou Science and Education City, Changzhou City, Jiangsu Province 2503 Patentee after: CHANGZHOU CHEFF ENVIRONMENTAL PROTECTION TECHNOLOGY Co.,Ltd. Address before: Gehu Lake Road Wujin District 213164 Jiangsu city of Changzhou province No. 1 Patentee before: CHANGZHOU University |