CN107008093A - A kind of Technique and instrument of Smoke Dust in Fossil processing unit - Google Patents
A kind of Technique and instrument of Smoke Dust in Fossil processing unit Download PDFInfo
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- CN107008093A CN107008093A CN201710284082.0A CN201710284082A CN107008093A CN 107008093 A CN107008093 A CN 107008093A CN 201710284082 A CN201710284082 A CN 201710284082A CN 107008093 A CN107008093 A CN 107008093A
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- dust
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- processing unit
- hand member
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
-
- 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
- B01D53/04—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 with stationary adsorbents
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/30—Alkali metal compounds
- B01D2251/304—Alkali metal compounds of sodium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/606—Carbonates
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/106—Silica or silicates
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Electrostatic Separation (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of Technique and instrument of Smoke Dust in Fossil processing unit, including humidification device, dust arrester and chemical pollutant processing unit, said apparatus is linked in sequence successively, dust arrester is provided with dust grid, dust grid right-hand member is tilted down, ash bucket is provided with below laying dust grid right-hand member, dust grid left end is hinged with base, dust grid right-hand member is abutted with eccentric cam, eccentric cam is fixed on electric machine rotational axis, dust grid connects high-voltage DC power supply positive pole, dust grid left end is provided with corona net, corona net connects high-voltage DC power supply negative pole, corona net is provided with the corona discharge electrode present invention, after dust arrester, particulate matter is adsorbed in dust grid surface, waste gas passes through retort, sulfur dioxide and part oxynitrides chemically react with alkaline solution, last waste gas enters reaction tower, oxynitrides is adsorbed on silica gel, aforesaid operations effectively reduce the particulate matter in the waste gas of thermal power plant, the content of sulfur dioxide and oxynitrides.
Description
Technical field
The present invention relates to field of environment protection, and in particular to a kind of Technique and instrument of Smoke Dust in Fossil processing unit.
Background technology
The heat energy produced using combustible in burning, a kind of generating side of electric energy is converted into by generation power device
Formula, thermal power generation plays an important role as mankind's electric energy main source mode in the various aspects of life production, firepower hair
Electricity is the factory by the use of combustible such as coal as fuel production electric energy, and its basic process of production is：Fuel adds in burning
Hot water generates steam, and the chemical energy of fuel is transformed into heat energy, and steam pressure pushing turbine rotation, heat energy is converted into machinery
Can, then steam turbine drives generator rotation, and mechanical energy is transformed into electric energy, and the thermal power generation of current China mainly uses coal
As the energy, but the contamination gases such as a large amount of dust and sulfur dioxide and oxynitrides can be produced during coal burning
Body, is the primary pollution source of environmental pollution.
In brief, a large amount of particulate matters, sulfur dioxide and oxynitrides etc. are contained in the waste gas that thermal power generation is produced
Pollutant.
The content of the invention
It is an object of the invention to overcome the above-mentioned problems in the prior art there is provided a kind of Technique and instrument of Smoke Dust in Fossil at
Device is managed, the content of particulate matter, sulfur dioxide and oxynitrides effectively in reduction thermal power plant waste gas.
To realize above-mentioned technical purpose and the technique effect, the present invention is to be achieved through the following technical solutions：
A kind of Technique and instrument of Smoke Dust in Fossil processing unit, including humidification device, dust arrester and chemical pollutant processing dress
Put, said apparatus is linked in sequence successively；The humidification device is provided with draft fan, and the draft fan air side connects housing cavity,
Heat conduction fin is provided with the housing, the housing upper plate is provided with to water hole, it is described to joining water box above water hole, it is described to give water hole
Lower section is provided with floating block, and the floating block correspondence feedwater hole site is provided with rubber stopper, and the floating block is connected by sleeve with housing；It is described
Dust arrester is provided with dust grid, and the dust grid right-hand member is tilted down, and ash bucket, institute are provided with below the laying dust grid right-hand member
State dust grid left end to be hinged with base, the dust grid right-hand member is abutted with eccentric cam, and the eccentric cam is fixed on electricity
In machine rotary shaft, the motor is fixed on base, and the dust grid, which separates, cavity, and the dust grid connects high straightening
Positive source is flowed, the dust grid left end is provided with corona net, and the corona net connects high-voltage DC power supply negative pole, the corona
Net is provided with corona discharge electrode；Force (forcing) pump of the chemical pollutant processing unit left end provided with connection dust arrester, the force (forcing) pump is right
Coupled reaction tank is held, the retort accommodates alkaline solution, the reaction upper end coupled reaction tower bottom, the reaction tower
Interior to be provided with silica gel, the reaction tower top is provided with pressure limiting valve.
Further, heat conduction fin is Y-shaped, and narrower one end is fixed on the inside of housing lower plate, and heat conduction fin passes the heat of waste gas
To feedwater, the heat conduction fin of Y shape expands the contact area with hot waste gas, and efficiency is passed in increase.
Further, each cavity right-hand member of corona discharge electrode correspondence dust grid, corona discharge electrode produces corona zone, the waste gas of process
Negative electrical charge on particulate matter band, by being adsorbed during cavity in the dust grid surface with positive charge.
Further, alkaline solution is sodium carbonate and sodium hydroxide mixed solution, and sodium hydroxide and sodium carbonate can absorb
Sulfur dioxide and part oxynitrides.
Further, sodium carbonate and sodium hydroxide substance withdrawl syndrome ratio are 9:1, sodium hydroxide price is high, reduction
The ratio of sodium hydroxide can reduce cost in the case where not significantly reducing absorption efficiency in mixed solution.
Further, silica gel is graininess, and fills whole reaction tower, and granular silica gel can increase and waste gas
Contact area, improves the efficiency of absorption oxynitrides.
The present invention income effect be：
When the higher waste gas of temperature passes through humidification device, the water in housing evaporates because of heating, is mixed with waste gas, by waste gas
In dust be condensed into larger-diameter particulate matter, after dust arrester, particulate matter absorption is in dust grid surface, waste gas warp
Retort is crossed, sulfur dioxide and part oxynitrides chemically react with alkaline solution, and last waste gas enters reaction tower,
Oxynitrides is adsorbed on silica gel, aforesaid operations effectively reduce particulate matter in the waste gas of thermal power plant, sulfur dioxide and
The content of oxynitrides.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, used required for being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for ability
For the those of ordinary skill of domain, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other attached
Figure.
The structure connection diagram of Fig. 1 soot processing devices of the present invention；
Fig. 2 is humidification device diagrammatic cross-section at A-A in Fig. 1；
Fig. 3 is dust grid vertical section schematic diagram of the present invention；
Fig. 4 is chemical pollutant processing unit of the present invention；
In accompanying drawing, the list of parts representated by each label is as follows：
1- humidification devices, 101- draft fans, 102- housings, 103- heat conduction fins, 104- is to water hole, 105- water tanks.106- is floated
Block, 107- rubber stoppers, 108- sleeves, 2- dust arresters, 201- dust grids, 202- ash buckets, 203- bases, 204- bias is convex
Wheel, 205- motors, 206- cavitys, 207- high-voltage DC power supplies, 208- corona nets, 209- power supplys pole, 3- chemical contaminations processing dress
Put, 301- force (forcing) pumps, 302- retort, 303- alkaline solutions, 304- reaction towers, 305- silica gel, 306- pressure limiting valves.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is all other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-4, it is of the invention for a kind of Technique and instrument of Smoke Dust in Fossil processing unit, including humidification device 1, dust arrester
2 and chemical pollutant processing unit 3, said apparatus is linked in sequence successively；Humidification device 1 is provided with draft fan 101, ventilation
Fan in 101 air sides connection housing 102 inner chamber, housing 102 and be provided with heat conduction fin 103, the upper plate of housing 102 is provided with to water hole 105, given
The top joining water box 106 of water hole 105, floating block 107 is provided with to the lower section of water hole 105, and the correspondence of floating block 107 is provided with to the position of water hole 105
Rubber stopper 108, floating block 107 is connected by sleeve 109 with housing 102；Dust arrester 2 is provided with dust grid 201, dust grid
201 right-hand members are tilted down, and ash bucket 202 is provided with below the right-hand member of laying dust grid 201, and the left end of dust grid 201 is hinged with base 203,
The right-hand member of dust grid 201 is abutted with eccentric cam 204, and eccentric cam 204 is fixed in the rotary shaft of motor 205, and motor 205 is fixed
On base 203, dust grid 201, which separates, cavity 206, the connection positive pole of high-voltage DC power supply 207 of dust grid 201, dust
The left end of grid 201 is provided with corona net 208, and the connection negative pole of high-voltage DC power supply 207 of corona net 208, corona net 208 is provided with corona discharge electrode
209；Force (forcing) pump 301 of the left end of chemical pollutant processing unit 3 provided with connection dust arrester 2, the right-hand member coupled reaction of force (forcing) pump 301
Tank 302, retort 302 is accommodated to be set in alkaline solution 303, the bottom of 302 top coupled reaction tower of retort 304, reaction tower 304
There is silica gel 305, the top of reaction tower 304 is provided with pressure limiting valve 306.
Wherein, heat conduction fin 103 is Y-shaped, and narrower one end is fixed on the inside of the lower plate of housing 102, and heat conduction fin 103 is by the warm of waste gas
Amount passes to feedwater, and the heat conduction fin 103 of Y shape expands the contact area with hot waste gas, and efficiency is passed in increase.
Wherein, the right-hand member of each cavity 206 of the corresponding dust grid 201 of corona discharge electrode 209, corona discharge electrode 209 produces corona zone, warp
Negative electrical charge on the exhaust gas particle thing band crossed, by being adsorbed during cavity 206 on the surface of dust grid 201 with positive charge.
Wherein, alkaline solution 303 is sodium carbonate and sodium hydroxide mixed solution, and sodium hydroxide and sodium carbonate can absorb two
Sulfur oxide and part oxynitrides.
Wherein, the substance withdrawl syndrome ratio of sodium carbonate and sodium hydroxide is 9:1, sodium hydroxide price is high, and reduction is mixed
Cost can be reduced in the case where not significantly reducing absorption efficiency by closing the ratio of sodium hydroxide in solution.
Wherein, silica gel 305 is graininess, and fills whole reaction tower 304, granular silica gel 305 can increase with
The contact area of waste gas, improves the efficiency of absorption oxynitrides.
One of the present embodiment has particular application as：
When waste gas passes through humidification device, the red-hot waste gas of temperature passes through housing 102, and with the water in housing 102 and leading
Hot fin 103 is contacted, and heats water evaporation, and dust in waste gas is condensed into the particulate matter being relatively large in diameter by vapor and vaporific water droplet,
When the water in housing 102 is less than setting value, floating block 106 declines, and rubber stopper 107 departs to water hole 104, the water in water tank 105
Into in housing 102, water level is reached after predetermined value, and floating block 106 floats, and jack-up rubber stopper 107 is blocked to water hole 104；
Corona net 208 connects the negative pole of high-voltage DC power supply 207, and corona discharge electrode 209 produces corona zone, the exhaust gas particle thing of process
Negative electrical charge is taken, by being adsorbed during cavity 206 on the surface of dust grid 201 with positive charge, due to the right-hand member of dust grid 201
Tilt down, and motor 205 rotates and drives eccentric cam 204 to rotate, and allows dust grid 201 to produce vibrations, laying dust pocket is entered
In ash bucket 202；
When waste gas passes through chemical pollutant processing unit 3, waste gas first passes around force (forcing) pump 301 and pressurizeed, after then pressurizeing
Waste gas injection retort 302 alkaline solution 303 in, remove waste gas in sulfur dioxide, enter reaction tower 304 in, give up
Oxynitrides is adsorbed by silica gel 305 in gas, and the air pressure inside the guarantee reaction tower 304 of pressure limiting valve 306 on the top of reaction tower 304 is not
It is too high.
In aforesaid operations, compared to more traditional soot processing device, can effectively reduce particulate matter in the waste gas of thermal power plant,
The content of sulfur dioxide and oxynitrides.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
At least one implementation that feature is contained in the present invention is lived with reference to specific features, structure, the material that the embodiment or example are described
In example or example.In this manual, identical embodiment or example are not necessarily referring to the schematic representation of above-mentioned term.
Moreover, specific features, structure, material or the feature of description can be closed in any one or more embodiments or example
Suitable mode is combined.
Present invention disclosed above preferred embodiment is only intended to help and illustrates the present invention.Preferred embodiment is not detailed
All details of narration, it is only described embodiment that the invention is not limited yet.Obviously, according to the content of this specification,
It can make many modifications and variations.This specification is chosen and specifically describes these embodiments, is to preferably explain the present invention
Principle and practical application so that skilled artisan can be best understood by and utilize the present invention.The present invention is only
Limited by claims and its four corner and equivalent.
Claims (6)
1. a kind of Technique and instrument of Smoke Dust in Fossil processing unit, it is characterised in that：Including humidification device (1), dust arrester (2) and change
Pollutant handling arrangement (3) is learned, said apparatus is linked in sequence successively；
The humidification device (1) is provided with draft fan (101), and draft fan (101) air side connects housing (102) inner chamber, institute
State and heat conduction fin (103) is provided with housing (102), housing (102) upper plate is described to give water hole (104) provided with water hole (104) is given
Top joining water box (105), described to floating block (106) is provided with below water hole (104), floating block (106) correspondence is to water hole
(104) position is provided with rubber stopper (107), and the floating block (106) is connected by sleeve (108) with housing (102)；
The dust arrester (2) is provided with dust grid (201), and dust grid (201) right-hand member is tilted down, the laying dust lattice
Ash bucket (202) is provided with below grid (201) right-hand member, dust grid (201) left end is hinged with base (203), the dust grid
Lattice (201) right-hand member is abutted with eccentric cam (204), and the eccentric cam (204) is fixed in motor (205) rotary shaft, described
Motor (205) is fixed on base (203), and the dust grid (201), which separates, cavity (206), the dust grid (201)
High-voltage DC power supply (207) positive pole is connected, dust grid (201) left end is provided with corona net (208), the corona net
(208) high-voltage DC power supply (207) negative pole is connected, the corona net (208) is provided with corona discharge electrode (209)；
Force (forcing) pump (301) of chemical pollutant processing unit (3) left end provided with connection dust arrester (2), the force (forcing) pump
(301) right-hand member coupled reaction tank (302), the retort (302) accommodates alkaline solution (303), retort (302) top
Hold and silica gel (305) is provided with coupled reaction tower (304) bottom, the reaction tower (304), reaction tower (304) top is provided with
Pressure limiting valve (306).
2. a kind of Technique and instrument of Smoke Dust in Fossil processing unit according to claim 1, it is characterised in that：The heat conduction fin
(103) Y-shaped, narrower one end is fixed on the inside of housing (102) lower plate.
3. a kind of Technique and instrument of Smoke Dust in Fossil processing unit according to claim 1, it is characterised in that：The corona discharge electrode
(209) each cavity (206) right-hand member of correspondence dust grid (201).
4. a kind of Technique and instrument of Smoke Dust in Fossil processing unit according to claim 1, it is characterised in that：The alkaline solution
(303) it is sodium carbonate and sodium hydroxide mixed solution.
5. a kind of Technique and instrument of Smoke Dust in Fossil processing unit according to claim 1, it is characterised in that：The sodium carbonate and hydrogen
Sodium oxide molybdena substance withdrawl syndrome ratio is 9:1.
6. a kind of Technique and instrument of Smoke Dust in Fossil processing unit according to claim 1, it is characterised in that：The silica gel (305)
For graininess, and fill whole reaction tower (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284082.0A CN107008093B (en) | 2017-04-26 | 2017-04-26 | A kind of Technique and instrument of Smoke Dust in Fossil processing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710284082.0A CN107008093B (en) | 2017-04-26 | 2017-04-26 | A kind of Technique and instrument of Smoke Dust in Fossil processing unit |
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| Publication Number | Publication Date |
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| CN107008093A true CN107008093A (en) | 2017-08-04 |
| CN107008093B CN107008093B (en) | 2018-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710284082.0A Active CN107008093B (en) | 2017-04-26 | 2017-04-26 | A kind of Technique and instrument of Smoke Dust in Fossil processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082982A (en) * | 2021-05-11 | 2021-07-09 | 山东天智信息科技有限公司 | Waste gas neutralization treatment device of thermal power factory |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846272A (en) * | 1995-01-26 | 1998-12-08 | Koenig Ag | Equipment for precipitation of pollutants from the off-gas of a pollutant source, particularly of a tentering frame |
| CN203886397U (en) * | 2014-04-29 | 2014-10-22 | 唐樱丹 | Electrostatic moistening and conditioning compound desulphurization purification device |
| CN204412051U (en) * | 2015-01-19 | 2015-06-24 | 重庆工商大学 | A kind of compound flue gas processing equipment of boiler |
| CN205084884U (en) * | 2015-11-16 | 2016-03-16 | 辽宁达斯特科技开发有限公司 | High -voltage electrostatic precipitator |
| CN205730435U (en) * | 2016-05-03 | 2016-11-30 | 南安市永腾技术咨询有限公司 | A kind of novel thermal power plant exhaust gas processing device |
-
2017
- 2017-04-26 CN CN201710284082.0A patent/CN107008093B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5846272A (en) * | 1995-01-26 | 1998-12-08 | Koenig Ag | Equipment for precipitation of pollutants from the off-gas of a pollutant source, particularly of a tentering frame |
| CN203886397U (en) * | 2014-04-29 | 2014-10-22 | 唐樱丹 | Electrostatic moistening and conditioning compound desulphurization purification device |
| CN204412051U (en) * | 2015-01-19 | 2015-06-24 | 重庆工商大学 | A kind of compound flue gas processing equipment of boiler |
| CN205084884U (en) * | 2015-11-16 | 2016-03-16 | 辽宁达斯特科技开发有限公司 | High -voltage electrostatic precipitator |
| CN205730435U (en) * | 2016-05-03 | 2016-11-30 | 南安市永腾技术咨询有限公司 | A kind of novel thermal power plant exhaust gas processing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113082982A (en) * | 2021-05-11 | 2021-07-09 | 山东天智信息科技有限公司 | Waste gas neutralization treatment device of thermal power factory |
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| CN107008093B (en) | 2018-12-04 |
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