CN103055649B - Dust removal, desulfurization and denitrification device of coal-fired power generation boiler - Google Patents
Dust removal, desulfurization and denitrification device of coal-fired power generation boiler Download PDFInfo
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- CN103055649B CN103055649B CN201310030962.7A CN201310030962A CN103055649B CN 103055649 B CN103055649 B CN 103055649B CN 201310030962 A CN201310030962 A CN 201310030962A CN 103055649 B CN103055649 B CN 103055649B
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- removal
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- desulfurization
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- 230000003009 desulfurizing Effects 0.000 title claims abstract description 88
- 239000000428 dust Substances 0.000 title abstract description 18
- 238000006477 desulfuration reaction Methods 0.000 title abstract description 15
- 238000010248 power generation Methods 0.000 title abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 61
- CBENFWSGALASAD-UHFFFAOYSA-N ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007921 spray Substances 0.000 claims description 128
- 238000005273 aeration Methods 0.000 claims description 9
- 239000000969 carrier Substances 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims description 2
- 239000002352 surface water Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 5
- 238000005507 spraying Methods 0.000 abstract description 5
- 235000008733 Citrus aurantifolia Nutrition 0.000 abstract description 4
- 235000015450 Tilia cordata Nutrition 0.000 abstract description 4
- 235000011941 Tilia x europaea Nutrition 0.000 abstract description 4
- 235000011114 ammonium hydroxide Nutrition 0.000 abstract description 4
- 239000004571 lime Substances 0.000 abstract description 4
- 230000005591 charge neutralization Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000001264 neutralization Effects 0.000 abstract description 3
- 238000006386 neutralization reaction Methods 0.000 abstract description 3
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000010276 construction Methods 0.000 abstract description 2
- 230000003068 static Effects 0.000 abstract 5
- 238000005276 aerator Methods 0.000 abstract 1
- VHUUQVKOLVNVRT-UHFFFAOYSA-N ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 18
- 239000003546 flue gas Substances 0.000 description 18
- 239000007789 gas Substances 0.000 description 7
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 238000000746 purification Methods 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N Sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000005367 electrostatic precipitation Methods 0.000 description 2
- 239000003517 fume Substances 0.000 description 2
- 229910052813 nitrogen oxide Inorganic materials 0.000 description 2
- RAHZWNYVWXNFOC-UHFFFAOYSA-N sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000000889 atomisation Methods 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000003500 flue dust Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 230000003020 moisturizing Effects 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 150000003568 thioethers Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Abstract
The invention provides a dust removal, desulfurization and denitrification device of a coal-fired power generation boiler. The dust removal, desulfurization and denitrification device of the coal-fired power generation boiler comprises a static dust remover, a dust removal, desulfurization and denitrification primary spraying chamber, a dust removal, desulfurization and denitrification secondary spraying chamber and a static demisting chamber which are sequentially arranged from front to back and are connected through an exhaust pipeline; the static demisting chamber is internally provided with a corona wire and a dust collection pole plate; an induced draft fan is assembled in the exhaust pipeline of the static demisting chamber; a water tank with a water seal on the bottom surface is arranged below the dust removal, desulfurization and denitrification primary spraying chamber, the dust removal, desulfurization and denitrification secondary spraying chamber and the static demisting chamber; and an aerator is arranged inside the water tank, and is connected with an ozone generator. The dust removal, desulfurization and denitrification device of the coal-fired power generation boiler, provided by the invention, has the advantages of simple structure, low construction and operation cost, and high dust removal, desulfurization and denitrification efficiency. Meanwhile, the desulfurization and the denitrification of smoke can be realized through a strong oxidation function of ozone; and the conventional acid-base neutralization method is eliminated. Not only can the smoke desulfurization and denitrification process be simplified, but also the environmental friendliness problem in the raw material production caused by using lime and ammonia water as raw materials of the desulfurization and denitrification process can be solved.
Description
Technical field
The present invention relates to fume discharging purifier, be specifically related to a kind of coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus.
Background technology
Containing a large amount of flue dust, sulfide and nitrogen oxide in coal-fired flue-gas, be the primary pollution source causing environmental pollution.Along with the enhancing of people's environmental consciousness, the purification standard of fume emission is improved rapidly, particularly strict standard limit of smog release has been formulated to coal-fired electric generation furnace.At present; desulphurization denitration many employings acid-base neutralization method of coal-fired electric generation furnace discharge flue gas and catalytic reduction technique; although its purification efficiency is high; but the investment of equipment and operating cost large; and; the production of the lime that desulfurization uses and the ammoniacal liquor that denitration uses can produce the waste gas containing great amount of carbon dioxide, runs in the opposite direction with the original intention of protection of the environment.
Summary of the invention
The object of the invention is to for the problems referred to above, provide a kind of build and operating cost low, dedusting, desulphurization and denitration efficiency are high, avoid use lime and ammoniacal liquor as the coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus of desulfurizing and denitrifying process raw material simultaneously.
The technical scheme realizing above-mentioned purpose is: a kind of coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus, it has the electrostatic precipitator be arranged in order from front to back, dust-removal and desulfurizing denitration one-level spray chamber, the electrostatic of dust-removal and desulfurizing denitration secondary spray chamber and in-built electrical hachure and collecting polar plate is except fog chamber, the air inlet of described electrostatic precipitator is connected with the exhaust opening of coal-fired electric generation furnace, the gas outlet of this electrostatic precipitator is connected by the bottom of deduster discharge duct with described dust-removal and desulfurizing denitration one-level spray chamber, the one-level spray chamber exhaust outlet be arranged on above described dust-removal and desulfurizing denitration one-level spray chamber is connected by the bottom of one-level spray chamber discharge duct with described dust-removal and desulfurizing denitration secondary spray chamber, the secondary spray chamber exhaust outlet be arranged on above described dust-removal and desulfurizing denitration secondary spray chamber is connected with the bottom of described electrostatic except fog chamber by secondary spray chamber discharge duct, being arranged on described electrostatic except the electrostatic demist chamber gas outlet road above fog chamber is equipped with air-introduced machine, at described dust-removal and desulfurizing denitration one-level spray chamber, dust-removal and desulfurizing denitration secondary spray chamber and electrostatic except the below of fog chamber is provided with formation dust-removal and desulfurizing denitration one-level spray chamber, dust-removal and desulfurizing denitration secondary spray chamber and the electrostatic water tank except the water seal of bottom surface, fog chamber, be provided with aeration head in this water tank, this aeration head is connected with the ozone generator being arranged on water tank outside by ozone carrier pipe, in described dust-removal and desulfurizing denitration one-level spray chamber, be provided with one-level spray chamber spray head, the one-level spray feed pipe of this one-level spray chamber spray head is connected in described water tank, and this one-level spray feed pipe is equipped with one-level spray water supply high-pressure hydraulic pump, in described dust-removal and desulfurizing denitration secondary spray chamber, be provided with secondary spray chamber spray head, the secondary spray feed pipe of this secondary spray chamber spray head is connected in described water tank, and this secondary spray feed pipe is equipped with secondary spray water supply high-pressure hydraulic pump.
The uniform flow grid be made up of gusset horizontal are at regular intervals provided with in above-mentioned dust-removal and desulfurizing denitration one-level spray chamber.
Be provided with the sieve plate of horizontal in above-mentioned dust-removal and desulfurizing denitration secondary spray chamber, on this sieve plate, be provided with Ball-type packing.
The invention has the beneficial effects as follows:
1, remove fog chamber by preposition high-efficiency electrostatic dust remover and dust-removal and desulfurizing denitration one-level spray chamber, dust-removal and desulfurizing denitration secondary spray chamber and rearmounted electrostatic and form flue-gas dust-removing and desulfurization denitrification apparatus, its device structure is simple, build and operating cost low, dedusting, desulphurization and denitration efficiency are high;
2, utilize the desulphurization denitration of the Strong oxdiative functional realiey flue gas of ozone, broken away from traditional acid-base neutralization method, both made flue gas desulfurization and denitration technique simplify, solve again the raw material production environmental issue using lime and ammoniacal liquor to bring as desulfurizing and denitrifying process raw material.
Accompanying drawing explanation
Accompanying drawing is this coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus schematic diagram.
Detailed description of the invention
By reference to the accompanying drawings the specific embodiment of the present invention is described.
As accompanying drawing, this coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus have be arranged in order from front to back electrostatic precipitator 1, dust-removal and desulfurizing denitration one-level spray chamber 2, dust-removal and desulfurizing denitration secondary spray chamber 3 and in-built electrical hachure and collecting polar plate electrostatic except fog chamber 4.Electrostatic precipitator 1 wherein can adopt coal-fired power generation boiler electrostatic precipitation disclosed in CN2894856Y, this coal-fired power generation boiler electrostatic precipitation adopts software feature quasi-steady dc source as the power supply of dust arrester, by coordinating of horizontal dust storage chamber and grooved pole plate, form efficient electrostatic precipitator, its efficiency of dust collection is up to more than 90%; The structure that electrostatic removes fog chamber 4 is substantially identical with the structure of high-voltage electrostatic dust separator, only corona discharge makes water fog particle charged, the electric water fog particle of lotus is trapped by collecting polar plate under the effect of electrostatic attraction, falls with the form of water droplet, reaches the object of discharge fume-dehydrating.The described air inlet of electrostatic precipitator 1 is connected with the exhaust opening of coal-fired electric generation furnace, the gas outlet of this electrostatic precipitator 1 is connected by the bottom of deduster discharge duct 5 with described dust-removal and desulfurizing denitration one-level spray chamber 2, the one-level spray chamber exhaust outlet be arranged on above dust-removal and desulfurizing denitration one-level spray chamber 2 is connected by the bottom of one-level spray chamber discharge duct 6 with described dust-removal and desulfurizing denitration secondary spray chamber 3, the secondary spray chamber exhaust outlet be arranged on above dust-removal and desulfurizing denitration secondary spray chamber 3 is connected with the bottom of described electrostatic except fog chamber 4 by secondary spray chamber discharge duct 7, be arranged on described electrostatic and be equipped with air-introduced machine 9 except in the electrostatic demist chamber gas outlet road 8 above fog chamber 4, the gas outlet of its air-introduced machine 9 connects chimney by pipeline.Described dust-removal and desulfurizing denitration one-level spray chamber 2, dust-removal and desulfurizing denitration secondary spray chamber 3 and electrostatic except fog chamber 4 be all arranged to below the case cell structure that opens wide, at this dust-removal and desulfurizing denitration one-level spray chamber 2, the below that dust-removal and desulfurizing denitration secondary spray chamber 3 and electrostatic remove fog chamber 4 is provided with for dust-removal and desulfurizing denitration one-level spray chamber 2, the water tank 10 that dust-removal and desulfurizing denitration secondary spray chamber 3 and electrostatic use jointly except fog chamber 4, with described dust-removal and desulfurizing denitration one-level spray chamber 2 above this water tank 10, the sidewall that dust-removal and desulfurizing denitration secondary spray chamber 3 and electrostatic remove fog chamber 4 is connected to form enclosed construction, in water tank 10, injected clear water forms dust-removal and desulfurizing denitration one-level spray chamber 2, dust-removal and desulfurizing denitration secondary spray chamber 3 and electrostatic remove the bottom surface water seal of fog chamber 4.In the moisturizing facility configured with water tank 10, water level holding device and water tank, sediment cleaning machine belongs to prior art, and therefore not to repeat here.In water tank 10, be provided with aeration head 11, this aeration head 11 is multiple in the distribution of the bottom of water tank as the case may be.Aeration head 11 is connected with the ozone generator 13 be arranged on outside water tank 10 by ozone carrier pipe 12.Its ozone generator 13 can adopt ozone generator disclosed in CN2491435Y, this ozone generator adopts DC high-voltage power supply, directly act on two electrodes, make the air or oxygen ionization between the two poles of the earth generate ozone, have the advantages that structure is simple, efficient and economize on electricity.In described dust-removal and desulfurizing denitration one-level spray chamber 2, be provided with one-level spray chamber spray head 14, this one-level spray chamber spray head 14 distributes multiple as requested.The water inlet connecting the one-level spray feed pipe 15 of each one-level spray chamber spray head 14 is placed in described water tank 10 under the water surface, is equipped with one-level spray water supply high-pressure hydraulic pump 16 in one-level spray feed pipe 15.In described dust-removal and desulfurizing denitration secondary spray chamber 3, be provided with secondary spray chamber spray head 17, this secondary spray chamber spray head 17 distributes multiple equally as requested.The water inlet connecting the secondary spray feed pipe 18 of each secondary spray chamber spray head 17 is placed in described water tank 10 under the water surface equally, is equipped with secondary spray water supply high-pressure hydraulic pump 19 in secondary spray feed pipe 18.
The present invention is provided with the uniform flow grid 20 be made up of gusset horizontal at regular intervals in dust-removal and desulfurizing denitration one-level spray chamber 2.These uniform flow grid 20 can arrange multilayer, and the gusset position of each adjacent layer is staggeredly arranged.
The present invention is provided with the sieve plate 21 of horizontal in dust-removal and desulfurizing denitration secondary spray chamber 3, on this sieve plate 21, be provided with Ball-type packing 22.During concrete enforcement, sieve plate 21 can adopt the sieve plate of densely covered circular hole, and Ball-type packing 22 can adopt plastic filler ball.
During the work of this device, the ozone generated by ozone generator 8 is transported to aeration head 11 by ozone carrier pipe 12, in water, carry out aeration, a part of ozone dissolves in water, and the ozone effusion water surface major part that another part fails to dissolve in water enters in dust-removal and desulfurizing denitration one-level spray chamber 2.First the flue gas that boiler combustion produces enters electrostatic precipitator 1 and carries out dedusting, and remove the dust of in flue gas more than 90%, the flue gas after dedusting is entered in dust-removal and desulfurizing denitration one-level spray chamber 2 by deduster discharge duct 5.Ozone Water in water tank 10 is drawn up by one-level spray feed pipe 15 and is sprayed the Ozone Water of atomization by one-level spray chamber spray head 14 by one-level spray water supply high-pressure hydraulic pump 16, the flue gas entered in dust-removal and desulfurizing denitration one-level spray chamber 2 is sprayed, the Ozone Water of spray and the ozone gas do not dissolved in water and the nitric oxide chemically reactive in flue gas generate can be water-soluble higher nitrogen oxides after fall into the water of water tank 10, the sulfur trioxide that sulfur dioxide in flue gas becomes with ozonisation symphysis also falls into the water of water tank 10 after combining with ozone water mist again and generating sulfuric acid and sulfate.Uniform flow grid 20 in dust-removal and desulfurizing denitration one-level spray chamber 2 have and carry out homogenize to the flue gas stream entered in dust-removal and desulfurizing denitration one-level spray chamber 2 and play the effect strengthening spraying and dedusting, desulphurization and denitration further.Flue gas after the purification of dust-removal and desulfurizing denitration one-level spray chamber 2 enters dust-removal and desulfurizing denitration secondary spray chamber 3 by one-level spray chamber discharge duct 6 and carries out secondary Ozone Water spray, carry out dedusting, desulphurization and denitration to flue gas further, its course of work is substantially identical with the course of work of dust-removal and desulfurizing denitration one-level spray chamber.The sieve plate 21 arranged in dust-removal and desulfurizing denitration secondary spray chamber 3 and Ball-type packing 22 have the effect of intensified dust removal, desulphurization and denitration effect.Flue gas after the purification of dust-removal and desulfurizing denitration secondary spray chamber 3 enters electrostatic except fog chamber 4 by secondary spray chamber discharge duct 7, the flue gas carrying water fog particle is flowing through electrostatic except in the process of fog chamber 4, utilizing corona wire to discharge makes water fog particle charged, and trapped by collecting polar plate, drop to the form of water droplet in the water of water tank 10.The flue gas that boiler combustion produces, after carrying out dedusting, desulphurization and denitration by electrostatic precipitator 1, dust-removal and desulfurizing denitration one-level spray chamber 2, dust-removal and desulfurizing denitration secondary spray chamber 3, reaches higher discharge standard.By electrostatic except the flue gas after water smoke is removed through electrostatic except the electrostatic demist chamber gas outlet road 8 above fog chamber 4 enters air-introduced machine 9 by fog chamber 4, and send into chimney by air-introduced machine 9 and discharge.
Claims (3)
1. a coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus, it is characterized in that: it has the electrostatic precipitator (1) be arranged in order from front to back, dust-removal and desulfurizing denitration one-level spray chamber (2), the electrostatic of dust-removal and desulfurizing denitration secondary spray chamber (3) and in-built electrical hachure and collecting polar plate is except fog chamber (4), the air inlet of described electrostatic precipitator (1) is connected with the exhaust opening of coal-fired electric generation furnace, the gas outlet of this electrostatic precipitator (1) is connected by the bottom of deduster discharge duct (5) with described dust-removal and desulfurizing denitration one-level spray chamber (2), the one-level spray chamber exhaust outlet be arranged on above dust-removal and desulfurizing denitration one-level spray chamber (2) is connected by the bottom of one-level spray chamber discharge duct (6) with described dust-removal and desulfurizing denitration secondary spray chamber (3), the secondary spray chamber exhaust outlet be arranged on above dust-removal and desulfurizing denitration secondary spray chamber (3) is connected with the bottom of described electrostatic except fog chamber (4) by secondary spray chamber discharge duct (7), being arranged on described electrostatic except the electrostatic demist chamber gas outlet road (8) above fog chamber (4) is equipped with air-introduced machine (9), at described dust-removal and desulfurizing denitration one-level spray chamber (2), dust-removal and desulfurizing denitration secondary spray chamber (3) and electrostatic except the below of fog chamber (4) is provided with formation dust-removal and desulfurizing denitration one-level spray chamber (2), dust-removal and desulfurizing denitration secondary spray chamber (3) and the electrostatic water tank (10) except fog chamber (4) bottom surface water seal, be provided with aeration head (11) in this water tank (10), aeration head (11) is connected with the ozone generator (13) being arranged on water tank (10) outside by ozone carrier pipe (12), one-level spray chamber spray head (14) is provided with in described dust-removal and desulfurizing denitration one-level spray chamber (2), one-level spray feed pipe (15) of this one-level spray chamber spray head (14) is connected in described water tank (10), and this one-level spray feed pipe (15) is equipped with one-level spray water supply high-pressure hydraulic pump (16), secondary spray chamber spray head (17) is provided with in described dust-removal and desulfurizing denitration secondary spray chamber (3), secondary spray feed pipe (18) of this secondary spray chamber spray head (17) is connected in described water tank (10), and this secondary spray feed pipe (18) is equipped with secondary spray water supply high-pressure hydraulic pump (19).
2. coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus according to claim 1, is characterized in that: in described dust-removal and desulfurizing denitration one-level spray chamber (2), be provided with the uniform flow grid (20) be made up of gusset horizontal at regular intervals.
3. coal-fired electric generation furnace dust-removal and desulfurizing denitrification apparatus according to claim 1, it is characterized in that: the sieve plate (21) being provided with horizontal in described dust-removal and desulfurizing denitration secondary spray chamber (3), is provided with Ball-type packing (22) on this sieve plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310030962.7A CN103055649B (en) | 2013-01-28 | 2013-01-28 | Dust removal, desulfurization and denitrification device of coal-fired power generation boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310030962.7A CN103055649B (en) | 2013-01-28 | 2013-01-28 | Dust removal, desulfurization and denitrification device of coal-fired power generation boiler |
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| CN103055649A CN103055649A (en) | 2013-04-24 |
| CN103055649B true CN103055649B (en) | 2015-03-11 |
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| CN201310030962.7A Expired - Fee Related CN103055649B (en) | 2013-01-28 | 2013-01-28 | Dust removal, desulfurization and denitrification device of coal-fired power generation boiler |
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| CN105983311A (en) * | 2015-01-30 | 2016-10-05 | 邱吉康 | Desulfurization and denitrification integrated system for flue gas of chain-grate boiler |
| CN105413423A (en) * | 2015-11-13 | 2016-03-23 | 黄冈银河阿迪药业有限公司 | Method for eliminating nitrogen oxide waste gas produced in metronidazole production process |
| CN105833634A (en) * | 2016-05-11 | 2016-08-10 | 李凤来 | Harmful-gas purifying device |
| CN106390650A (en) * | 2016-05-31 | 2017-02-15 | 徐秀 | Air cleaning device for construction site |
| CN108057329A (en) * | 2017-11-16 | 2018-05-22 | 李艺 | A kind of vehicle frame and domestic garbage pyrolysis system integration structure locomotive |
| CN111298609A (en) * | 2019-12-05 | 2020-06-19 | 安徽顺达环保科技股份有限公司 | Industrial kiln electrostatic dust removal denitration device in coordination |
| CN111228982A (en) * | 2020-01-14 | 2020-06-05 | 张德杰 | Waste gas treatment device and treatment method thereof |
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