CN111974185A - Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof - Google Patents
Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof Download PDFInfo
- Publication number
- CN111974185A CN111974185A CN202010849695.6A CN202010849695A CN111974185A CN 111974185 A CN111974185 A CN 111974185A CN 202010849695 A CN202010849695 A CN 202010849695A CN 111974185 A CN111974185 A CN 111974185A
- Authority
- CN
- China
- Prior art keywords
- pipe
- waste gas
- dust
- conveying
- spray
- 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
- 239000000428 dust Substances 0.000 title claims abstract description 129
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 title claims abstract description 70
- 229910021529 ammonia Inorganic materials 0.000 title claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000003546 flue gas Substances 0.000 title claims abstract description 31
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000002912 waste gas Substances 0.000 claims abstract description 114
- 239000007921 spray Substances 0.000 claims abstract description 110
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 55
- 230000023556 desulfurization Effects 0.000 claims abstract description 55
- 239000007789 gas Substances 0.000 claims abstract description 52
- 238000011282 treatment Methods 0.000 claims abstract description 39
- 230000003009 desulfurizing effect Effects 0.000 claims abstract description 16
- 238000005507 spraying Methods 0.000 claims description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims description 22
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 22
- 239000007788 liquid Substances 0.000 claims description 19
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 18
- 229910052760 oxygen Inorganic materials 0.000 claims description 18
- 239000001301 oxygen Substances 0.000 claims description 18
- 238000010521 absorption reaction Methods 0.000 claims description 13
- 238000007599 discharging Methods 0.000 claims description 11
- 238000001914 filtration Methods 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims description 2
- 238000001179 sorption measurement Methods 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 5
- 231100000719 pollutant Toxicity 0.000 abstract description 5
- 239000000779 smoke Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 3
- 239000000243 solution Substances 0.000 description 6
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 238000011221 initial treatment Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
-
- 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
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- 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
- B01D53/26—Drying 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
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
- B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
-
- 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
- B01D53/48—Sulfur compounds
- B01D53/50—Sulfur oxides
- B01D53/507—Sulfur oxides by treating the gases with other liquids
-
- 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
- B01D53/75—Multi-step processes
-
- 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
- B01D53/79—Injecting reactants
-
- 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
- B01D53/96—Regeneration, reactivation or recycling of reactants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Landscapes
- 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)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses an ammonia desulfurization and dust removal integrated flue gas ultralow emission device and a using method thereof, wherein the device comprisesDraw together sack cleaner, first wind channel, draught fan, second wind channel, desulfurizing tower, first delivery pump, ammonia holding vessel, spray column, chimney, the device removes dust through sack cleaner and spray column to the dust in the waste gas and handles for dust content in the waste gas is low, carries out desulfurization treatment through desulfurizing tower and spray column to waste gas, makes SO in the waste gas2Effectively remove the moisture in the exhaust gas and the dust and SO in the moisture through the tail gas treatment box2The organic gas ensures that the smoke discharged from the chimney is low and the pollutant content is low, and the device has good environmental protection performance; the device takes the clear water in the retaining tank out and carries to the second shower in, sprays waste gas, and the shower water returns to the retaining tank in through circulating pipe after the standing for water resource recycling avoids the wasting of resources, reduces the exhaust-gas treatment cost.
Description
Technical Field
The invention relates to the field of waste gas treatment, in particular to an ammonia desulphurization and dust removal integrated flue gas ultralow emission device and a using method thereof.
Background
With the development of economy and the increase of energy demand, the pollution of sulfur dioxide and dust generated by burning fossil fuels to the environment is becoming serious day by day, the agenda is already provided for the desulfurization and dust removal of flue gas of industrial boilers and thermal power plants, the reduction and limitation of the emission of sulfur dioxide and dust, various desulfurization and dust removal processes and equipment are developed, and a plurality of problems of the desulfurization and dust removal of flue gas are solved.
The traditional ammonia desulphurization process obtains obvious effect in the aspect of desulphurization, so that the patent with the application number of CN200310115523.2 discloses an integrated desulphurization and dust removal tower adopting the ammonia process, which comprises a solution outlet, an ammonia injection port, a liquid collecting pipe, a clean solution cavity, a weir plate, a partition plate, a spraying device, an inclined-hole tower plate, a demister, a flue gas heater, a flue gas outlet, a flue gas inlet, a water replenishing port, a turbid solution cavity, an inclined-hole tower plate, an ash discharge port and a conical bottom plate, wherein the solution outlet, the ammonia injection port, the liquid collecting pipe, the clean solution cavity, the weir plate, the partition plate, the spraying device; the integrated desulfurization and dust removal tower of the ammonia process has the characteristics of simplifying the system, saving the space, improving the desulfurization rate and the dust removal rate and improving the economy, and still has the following defects: (1) the ammonia method has the advantages that the waste gas treatment of the integrated desulfurization and dust removal tower is not good enough, the discharged flue gas is more, the pollutant content in the flue gas is higher, and the environmental protection performance is not good enough; (2) the integrated desulfurization and dust removal tower of the ammonia process has large water consumption and serious water resource waste.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide an ammonia desulphurization and dust removal integrated flue gas ultralow emission device and a using method thereof, wherein the ammonia desulphurization and dust removal integrated flue gas ultralow emission device comprises the following steps: (1) waste gas is introduced from an air inlet of a bag-type dust collector, dust in the waste gas enters an ash collecting bin from a dust outlet after being filtered by the bag-type dust collector, a first conveying motor is started, the first conveying motor is operated to drive a first conveying screw rod to rotate, the dust in the ash collecting bin is conveyed to an ash discharging pipe, a second conveying motor is started, the second conveying motor is operated to drive a second conveying screw rod to rotate, the dust is discharged from the end part of the ash discharging pipe, the waste gas is subjected to primary dust removal, after the waste gas is subjected to dust removal, a draught fan is started, the draught fan is operated to pump the waste gas out from an air outlet of the bag-type dust collector through a first air duct, then the waste gas is conveyed to an inner cavity of a desulfurizing tower through a second air duct, a first conveying pump is started, the ammonia water in an ammonia water storage tank is pumped out through the operation of the first conveying pump and conveyed into a first spraying pipe, the ammonia water, in the spraying process, oxygen is led in from an oxygen inlet pipe, preliminary desulfurization is completed on waste gas, after the waste gas is desulfurized, the waste gas is conveyed into a spray tower through a first conveying pipe, a second conveying pump is started, the second conveying pump operates to pump out clean water in a water storage tank and convey the clean water into a second spray pipe, clean water is released from spray holes of the second spray pipe to spray the waste gas, the waste gas is further subjected to dust removal and desulfurization and then conveyed into a tail gas treatment tank through the second conveying pipe, moisture in the waste gas is absorbed by a water absorption sponge, the waste gas is adsorbed and purified through an activated carbon plate, an air blower is started, the air blower operates to discharge the adsorbed and purified waste gas through a chimney, the problems that the existing integrated desulfurization and dust removal tower adopting an ammonia method is poor in waste gas treatment, the discharged flue gas is large in quantity, and the pollutant content in the flue gas is high, the environmental protection performance is not good enough; (2) clear water in the water storage tank is pumped out through the operation of the second delivery pump and conveyed to the second spray pipe, clear water is released from spray holes of the second spray pipe, waste gas is sprayed, the spray water falls to the bottom of an inner cavity of the spray tower, the dissolved dust sinks after standing, the upper spray water returns to the water storage tank through a circulating water pipe and is used circularly, the problem that the water consumption of the integrated desulfurization and dust removal tower of the existing ammonia method is large and the water resource is wasted seriously is solved.
The purpose of the invention can be realized by the following technical scheme:
an ammonia desulfurization and dust removal integrated flue gas ultralow emission device comprises a bag-type dust collector, a first air duct, an induced draft fan, a second air duct, a desulfurization tower, a first delivery pump, an ammonia water storage tank, a spray tower and a chimney, wherein an air outlet of the bag-type dust collector is connected to one end of the first air duct, the other end of the first air duct is connected to an air inlet of the induced draft fan, an air outlet of the induced draft fan is connected to one end of the second air duct, the other end of the second air duct is connected to a waste gas inlet pipe of the desulfurization tower, the waste gas inlet pipe is arranged at the bottom of the side wall of the desulfurization tower, an oxygen inlet pipe is arranged at the bottom of one side of the desulfurization tower and is positioned above the waste gas inlet pipe, the top of one side of the desulfurization tower is connected to a liquid outlet of the first delivery pump through a pipeline, a liquid inlet of the first, the top of desulfurizing tower is connected to the one end of first conveyer pipe, the other end of first conveyer pipe is connected to on the air inlet of spray column, the air inlet sets up in one side bottom of spray column, the top of spray column is connected to the one end of second conveyer pipe, the other end of second conveyer pipe is connected to the one end of tail gas treatment box, the other end of tail gas treatment box is connected to the air intake of air-blower, the air outlet of air-blower is connected to the chimney.
As a further scheme of the invention: bag-type dust collector bottom is provided with two dust exports, two the dust export is connected to first ash inlet, the ash inlet is advanced to the second respectively, first ash inlet, second advance the ash inlet and set up in the top both ends in collection ash storehouse, the mounting panel is installed to collection ash storehouse one end, first conveyor motor is installed at the top of mounting panel, be connected with first conveying screw on first conveyor motor's the output shaft, first conveying screw is located the inner chamber in collection ash storehouse, the ash discharge pipe is installed to the bottom that collection ash storehouse is close the one end of mounting panel, second conveyor motor is installed to the one end of ash discharge pipe, be connected with second conveying screw on second conveyor motor's the output shaft, second conveying screw is located the inner chamber of ash discharge pipe.
As a further scheme of the invention: the spray tower is characterized in that a water storage tank is installed at the bottom of one side of the spray tower, a circulating water pipe is installed at a position, close to the upper side, of the joint of the water storage tank and the spray tower, the bottom of one side of the water storage tank is connected to a liquid inlet of a second conveying pump through a pipeline, a liquid outlet of the second conveying pump is connected to the top of one side of the spray tower through a pipeline, and the spray tower is connected with one side of a second conveying pipe through a plurality of fixing plates.
As a further scheme of the invention: the tail gas treatment device is characterized in that a water absorption sponge and an activated carbon plate are arranged in an inner cavity of the tail gas treatment box, the water absorption sponge is located in an inner cavity of the tail gas treatment box close to the second conveying pipe, the activated carbon plate is located in an inner cavity of the tail gas treatment box close to the air blower, a plurality of drain holes are formed in the bottom of the tail gas treatment box, one side of the water absorption sponge is connected with a squeezing plate, one side of the squeezing plate, away from the water absorption sponge, is connected to a movable rod of a squeezing cylinder in the axis center, and the squeezing cylinder is installed on one side of the.
As a further scheme of the invention: the top of the inner cavity of the desulfurization tower is provided with a first spray pipe, the first spray pipe is communicated to a liquid outlet of a first conveying pump through a pipeline, the top of the inner cavity of the spray tower is provided with a second spray pipe, the second spray pipe is communicated to a liquid outlet of a second conveying pump through a pipeline, the first spray pipe and the second spray pipe respectively comprise a first ring pipe, a connecting pipe, a second ring pipe and spray holes, the first ring pipe and the second ring pipe are concentrically arranged, a plurality of connecting pipes are arranged between the first ring pipe and the second ring pipe, the connecting pipes are distributed in a circular array mode with the circle centers of the first ring pipe and the second ring pipe, and a plurality of spray holes are formed in the bottoms of the first ring pipe, the connecting pipe and the second ring pipe.
As a further scheme of the invention: a use method of an ammonia desulphurization and dust removal integrated flue gas ultralow emission device comprises the following steps:
the method comprises the following steps: introducing waste gas from an air inlet of a bag-type dust collector, filtering the waste gas by the bag-type dust collector, allowing dust in the waste gas to enter an ash collecting bin from a dust outlet, starting a first conveying motor, driving a first conveying screw rod to rotate by the operation of the first conveying motor, conveying the dust in the ash collecting bin to an ash discharge pipe, starting a second conveying motor, driving a second conveying screw rod to rotate by the operation of the second conveying motor, discharging the dust from the end part of the ash discharge pipe, and performing primary dust removal on the waste gas;
step two: after the waste gas is dedusted, starting an induced draft fan, operating the induced draft fan to pump out the waste gas from an air outlet of a bag-type dust remover through a first air duct, conveying the waste gas into an inner cavity of a desulfurizing tower through a second air duct, starting a first conveying pump, operating the first conveying pump to pump out ammonia water in an ammonia water storage tank, conveying the ammonia water into a first spraying pipe, releasing the ammonia water from spraying holes of the first spraying pipe to spray the waste gas, and introducing oxygen from an oxygen inlet pipe in the spraying process to finish primary desulfurization on the waste gas;
step three: after the waste gas is desulfurized, the waste gas is conveyed into the spray tower through the first conveying pipe, the second conveying pump is started, the second conveying pump operates to pump out clean water in the water storage tank and convey the clean water into the second spray pipe, clean water is released from spray holes of the second spray pipe, the waste gas is sprayed, and the waste gas is further subjected to dust removal and desulfurization;
step four: after further dedusting and desulfurization, the waste gas is conveyed into a tail gas treatment box through a second conveying pipe, moisture in the waste gas is absorbed by the water absorption sponge, and the waste gas is absorbed and purified through the activated carbon plate;
step five: and starting the air blower, and discharging the waste gas after adsorption and purification through a chimney by the operation of the air blower.
The invention has the beneficial effects that:
(1) the invention discloses an ammonia desulfurization and dust removal integrated flue gas ultralow emission device and a using method thereofPumping out ammonia water from the water storage tank, conveying the ammonia water to the first spray pipe, releasing the ammonia water from the spray holes of the first spray pipe, spraying the waste gas, introducing oxygen from the oxygen inlet pipe in the spraying process, primarily desulfurizing the waste gas, the waste gas is conveyed into the spray tower through the first conveying pipe, the second conveying pump is started, the second conveying pump operates to pump out the clean water in the water storage tank and convey the clean water to the second spray pipe, the clean water is released from the spray holes of the second spray pipe, spraying the waste gas, further dedusting and desulfurizing the waste gas, conveying the waste gas into a tail gas treatment box through a second conveying pipe after further dedusting and desulfurizing, absorbing moisture in the waste gas by water-absorbing sponge, adsorbing and purifying the waste gas by an activated carbon plate, starting an air blower, and discharging the adsorbed and purified waste gas through a chimney by the operation of the air blower; this ultralow eduction gear of ammonia process desulfurization dust removal integration flue gas carries out preliminary treatment through the dust of sack cleaner in to waste gas, further detaches the dust in the waste gas through the spray column for dust content in the waste gas is low, carries out preliminary desulfurization through the desulfurizing tower to waste gas, further desulfurization through the spray column, makes the SO in the waste gas2Effectively remove the water in the waste gas and the dust and SO dissolved in the water through the tail gas treatment box2The organic gas ensures that the smoke discharged from the chimney is low, the pollutant content in the smoke is low, and the device has good environmental protection performance;
(2) according to the ammonia desulfurization and dust removal integrated flue gas ultralow emission device and the using method thereof, the second conveying pump operates to pump out clean water in the water storage tank and convey the clean water to the second spraying pipe, clean water is released from the spraying holes of the second spraying pipe, waste gas is sprayed, the spraying water falls to the bottom of the inner cavity of the spraying tower, dissolved dust sinks after the spraying water is stood, and the upper spraying water returns to the water storage tank through the circulating water pipe for recycling.
Drawings
The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an ammonia desulfurization and dust removal integrated ultra-low exhaust device of flue gas in the invention;
FIG. 2 is a view showing the connection of a desulfurization tower, a spray tower and a chimney according to the present invention;
FIG. 3 is a schematic view of the structure of the bag-type dust collector of the present invention;
FIG. 4 is a schematic view of the internal structure of the ash collecting bin and the ash discharging pipe in the invention;
FIG. 5 is a schematic view of the assembly of the first shower of the present invention;
FIG. 6 is a view showing the connection of the spray tower, the off-gas treatment tank, the blower and the chimney according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the exhaust gas treatment tank according to the present invention;
FIG. 8 is a view showing the connection of the water-absorbing sponge, the pressing plate and the pressing cylinder in the present invention;
FIG. 9 is a schematic view showing the assembly of the second shower pipe and the circulating water pipe in the present invention;
fig. 10 is a bottom view of the first and second shower pipes according to the present invention.
In the figure: 101. a bag-type dust collector; 102. a first air duct; 103. an induced draft fan; 104. a second air duct; 105. a desulfurizing tower; 106. a first delivery pump; 107. an ammonia storage tank; 108. a spray tower; 109. a chimney; 110. an oxygen inlet pipe; 111. an exhaust gas inlet pipe; 112. a first delivery pipe; 113. an ash collecting bin; 114. mounting a plate; 115. a first conveying motor; 116. a second conveying motor; 117. an ash discharge pipe; 118. a first ash inlet; 119. a second ash inlet; 120. a first conveying screw; 121. a second conveying screw; 122. a first shower pipe; 123. an air inlet; 124. a water storage tank; 125. a second delivery pump; 126. a second delivery pipe; 127. a fixing plate; 128. a tail gas treatment tank; 129. a blower; 130. a water-absorbing sponge; 131. an activated carbon sheet; 132. a pressing plate; 133. an extrusion cylinder; 134. a second shower pipe; 135. a circulating water pipe; 136. a first grommet; 137. a connecting pipe; 138. a second collar pipe; 139. and (4) spraying holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1:
referring to fig. 1-10, the embodiment is an ammonia desulfurization and dust removal integrated flue gas ultra-low emission device, which includes a bag-type dust collector 101, a first air duct 102, an induced draft fan 103, a second air duct 104, a desulfurization tower 105, a first delivery pump 106, an ammonia storage tank 107, a spray tower 108, and a chimney 109, an air outlet of the bag-type dust collector 101 is connected to one end of the first air duct 102, the other end of the first air duct 102 is connected to an air inlet of the induced draft fan 103, an air outlet of the induced draft fan 103 is connected to one end of the second air duct 104, the other end of the second air duct 104 is connected to a waste gas inlet pipe 111 of the desulfurization tower 105, the waste gas inlet pipe 111 is disposed at the bottom of a side wall of the desulfurization tower 105, an oxygen inlet pipe 110 is installed at the bottom of one side of the desulfurization tower 105, the oxygen inlet pipe 110 is located above the side of the waste gas inlet pipe 111, the top of, the liquid inlet of the first delivery pump 106 is connected to the bottom of one side of the ammonia storage tank 107 through a pipeline, the top of the desulfurization tower 105 is connected to one end of the first delivery pipe 112, the other end of the first delivery pipe 112 is connected to the gas inlet 123 of the spray tower 108, the gas inlet 123 is arranged at the bottom of one side of the spray tower 108, the top of the spray tower 108 is connected to one end of the second delivery pipe 126, the other end of the second delivery pipe 126 is connected to one end of the tail gas treatment box 128, the other end of the tail gas treatment box 128 is connected to the air inlet of the air blower 129, and the air outlet of the air blower 129 is connected to the chimney.
Bag-type dust collector 101 bottom is provided with two dust exports, two the dust export is connected to first ash inlet 118, the ash inlet 119 is advanced to the second respectively, first ash inlet 118, the second advances ash inlet 119 and sets up in the top both ends in collection ash storehouse 113, mounting panel 114 is installed to collection ash storehouse 113 one end, first conveyor motor 115 is installed at mounting panel 114's top, be connected with first conveyor screw 120 on first conveyor motor 115's the output shaft, first conveyor screw 120 is located collection ash storehouse 113's inner chamber, ash storehouse 113 is close the bottom of mounting panel 114's one end and installs row ash pipe 117, second conveyor motor 116 is installed to the one end of row ash pipe 117, be connected with second conveyor screw 121 on second conveyor motor 116's the output shaft, second conveyor screw 121 is located row ash pipe 117's inner chamber.
The spray tower is characterized in that a water storage tank 124 is installed at the bottom of one side of the spray tower 108, a circulating water pipe 135 is installed at a position, close to the upper side, of the joint of the water storage tank 124 and the spray tower 108, the bottom of one side of the water storage tank 124 is connected to a liquid inlet of a second conveying pump 125 through a pipeline, a liquid outlet of the second conveying pump 125 is connected to the top of one side of the spray tower 108 through a pipeline, and the spray tower 108 is connected with one side of a second conveying pipe 126 through a plurality of fixing plates 127.
A water-absorbing sponge 130 and an activated carbon board 131 are arranged in an inner cavity of the tail gas treatment box 128, the water-absorbing sponge 130 is located in an inner cavity of one end, close to the second conveying pipe 126, of the tail gas treatment box 128, the activated carbon board 131 is located in an inner cavity of one end, close to the air blower 129, of the tail gas treatment box 128, a plurality of water drainage holes are formed in the bottom of the tail gas treatment box 128, one side of the water-absorbing sponge 130 is connected with a squeezing plate 132, the axis of one side, far away from the water-absorbing sponge 130, of the squeezing plate 132 is connected to a movable rod of a squeezing cylinder 133, and the squeezing cylinder 133 is.
The top of the inner cavity of the desulfurization tower 105 is provided with a first spray pipe 122, the first spray pipe 122 is communicated with the liquid outlet of the first conveying pump 106 through a pipeline, the top of the inner cavity of the spray tower 108 is provided with a second spray pipe 134, the second spray pipe 134 is communicated with the liquid outlet of the second conveying pump 125 through a pipeline, the first spray pipe 122 and the second spray pipe 134 respectively comprise a first circular pipe 136, a connecting pipe 137, a second circular pipe 138 and spray holes 139, the first circular pipe 136 and the second circular pipe 138 are concentrically arranged, a plurality of connecting pipes 137 are arranged between the first circular pipe 136 and the second circular pipe 138, a plurality of connecting pipes 137 are distributed in a circular array by the circle centers of the first circular pipe 136 and the second circular pipe 138, and a plurality of spray holes 139 are arranged at the bottoms of the first circular pipe 136, the connecting pipe 137 and the second circular pipe 138.
Referring to fig. 1-10, the application method of the ammonia desulfurization and dust removal integrated ultra-low smoke discharge device in the embodiment is as follows:
the method comprises the following steps: introducing waste gas from an air inlet of the bag-type dust collector 101, filtering the waste gas by the bag-type dust collector 101, allowing dust in the waste gas to enter the dust collection bin 113 from a dust outlet, starting the first conveying motor 115, driving the first conveying screw rod 120 to rotate by the operation of the first conveying motor 115, conveying the dust in the dust collection bin 113 to the dust exhaust pipe 117, starting the second conveying motor 116, driving the second conveying screw rod 121 to rotate by the operation of the second conveying motor 116, discharging the dust from the end part of the dust exhaust pipe 117, and performing primary dust removal on the waste gas;
step two: after the waste gas is dedusted, starting the induced draft fan 103, operating the induced draft fan 103 to draw the waste gas out of an air outlet of the bag-type dust remover 101 through the first air duct 102, then conveying the waste gas into an inner cavity of the desulfurizing tower 105 through the second air duct 104, starting the first conveying pump 106, operating the first conveying pump 106 to draw out ammonia water in the ammonia water storage tank 107, conveying the ammonia water into the first spraying pipe 122, releasing the ammonia water from the spraying holes 139 of the first spraying pipe 122 to spray the waste gas, and introducing oxygen from the oxygen inlet pipe 110 in the spraying process to finish primary desulfurization on the waste gas;
step three: after the waste gas is desulfurized, the waste gas is conveyed into the spray tower 108 through the first conveying pipe 112, the second conveying pump 125 is started, the second conveying pump 125 operates to pump out the clean water in the water storage tank 124 and convey the clean water to the second spray pipe 134, the clean water is released from the spray holes 139 of the second spray pipe 134, the waste gas is sprayed, and the dust removal and desulfurization are further carried out on the waste gas;
step four: after further dedusting and desulfurization, the waste gas is conveyed into a tail gas treatment box 128 through a second conveying pipe 126, moisture in the waste gas is absorbed by a water absorption sponge 130, and the waste gas is absorbed and purified through an activated carbon plate 131;
step five: the blower 129 is started, and the blower 129 is operated to discharge the adsorption-purified exhaust gas through the stack 109.
Referring to fig. 1-10, the operation principle of the ammonia desulfurization and dust removal integrated ultra-low smoke discharge device in the present embodiment is as follows:
in the part disclosed by the invention, waste gas is introduced from an air inlet of a bag-type dust remover 101, after being filtered by the bag-type dust remover 101, dust in the waste gas enters an ash collecting bin 113 from a dust outlet, a first conveying motor 115 is started, the first conveying motor 115 is operated to drive a first conveying screw rod 120 to rotate, the dust in the ash collecting bin 113 is conveyed into an ash discharging pipe 117, a second conveying motor 116 is started, the second conveying motor 116 is operated to drive a second conveying screw rod 121 to rotate, the dust is discharged from the end part of the ash discharging pipe 117, the waste gas is subjected to primary dust removal, after the waste gas is subjected to dust removal, an induced draft fan 103 is started, the induced draft fan 103 is operated to draw the waste gas out from an air outlet of the bag-type dust remover 101 through a first air duct 102 and then convey the waste gas into an inner cavity of a desulfurizing tower 105 through a second air duct 104, a first conveying pump 106 is started, the first conveying pump 106 is, is conveyed into the first spray pipe 122, releases ammonia water from the spray holes 139 of the first spray pipe 122, spraying the waste gas, introducing oxygen from the oxygen inlet pipe 110 in the spraying process to finish primary desulfurization of the waste gas, and after the waste gas is desulfurized, the waste gas is conveyed into the spray tower 108 through the first conveying pipe 112, the second conveying pump 125 is started, the second conveying pump 125 operates to pump out the clean water in the water storage tank 124 and convey the clean water into the second spray pipe 134, the clean water is released from the spray holes 139 of the second spray pipe 134, the waste gas is sprayed, the dust and the sulfur of the waste gas are further removed, the waste gas is conveyed into a tail gas treatment box 128 through a second conveying pipe 126 after the dust and the sulfur of the waste gas are further removed, absorbing moisture in the exhaust gas by a water absorption sponge 130, adsorbing and purifying the exhaust gas by an activated carbon plate 131, starting an air blower 129, and discharging the adsorbed and purified exhaust gas through a chimney 109 by the operation of the air blower 129; the ammonia desulfurization and dust removal integrated flue gas ultralow emission device carries out primary treatment on dust in waste gas through the bag-type dust remover 101, and further removes the dust through the spray tower 108Dust in the exhaust gas for dust content in the exhaust gas is low, and preliminary desulfurization is carried out on the exhaust gas through the desulfurizing tower 105, and further desulfurization is carried out through the spray tower 108, SO in the exhaust gas2The water content in the exhaust gas and the dust and SO dissolved in the water content are effectively removed by the exhaust gas treatment tank 1282And organic gas, make the exhausted flue gas from the chimney 109 low, the pollutant content in the flue gas is low, the apparatus environmental protection is good;
in another aspect of the disclosure, the second delivery pump 125 is operated to pump out the clean water in the water storage tank 124 and deliver the clean water to the second spray pipe 134, the clean water is released from the spray holes 139 of the second spray pipe 134 to spray the waste gas, the spray water falls to the bottom of the inner cavity of the spray tower 108, the dissolved dust sinks after the spray water is stood, the upper layer of spray water returns to the water storage tank 124 through the circulating water pipe 135 for recycling, and the device recycles water resources, avoids resource waste and reduces the waste gas treatment cost.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (6)
1. The ultra-low emission device of integrated flue gas generated by desulfurization and dust removal through an ammonia process is characterized by comprising a bag-type dust remover (101), a first air channel (102), an induced draft fan (103), a second air channel (104), a desulfurization tower (105), a first delivery pump (106), an ammonia water storage tank (107), a spray tower (108) and a chimney (109), wherein an air outlet of the bag-type dust remover (101) is connected to one end of the first air channel (102), the other end of the first air channel (102) is connected to an air inlet of the induced draft fan (103), an air outlet of the induced draft fan (103) is connected to one end of the second air channel (104), the other end of the second air channel (104) is connected to a waste gas inlet pipe (111) of the desulfurization tower (105), the waste gas inlet pipe (111) is arranged at the bottom of the side wall of the desulfurization tower (105), an oxygen inlet pipe (110) is arranged at the, the oxygen inlet pipe (110) is positioned above the side of the waste gas inlet pipe (111), the top of one side of the desulfurizing tower (105) is connected to the liquid outlet of the first conveying pump (106) through a pipeline, the liquid inlet of the first conveying pump (106) is connected to the bottom of one side of the ammonia water storage tank (107) through a pipeline, the top of the desulfurizing tower (105) is connected to one end of the first conveying pipe (112), the other end of the first conveying pipe (112) is connected to the gas inlet (123) of the spray tower (108), the gas inlet (123) is arranged at the bottom of one side of the spray tower (108), the top of the spray tower (108) is connected to one end of the second conveying pipe (126), the other end of the second conveying pipe (126) is connected to one end of the tail gas treatment tank (128), and the other end of the tail gas treatment tank (128) is connected to the air inlet of the second conveying pipe, the air outlet of the blower (129) is connected to the chimney (109).
2. The ultra-low emission device of integrated flue gas of ammonia desulphurization and dust removal of claim 1, wherein two dust outlets are arranged at the bottom of the bag-type dust collector (101), the two dust outlets are respectively connected to a first dust inlet (118) and a second dust inlet (119), the first dust inlet (118) and the second dust inlet (119) are arranged at two ends of the top of the dust collecting bin (113), a mounting plate (114) is arranged at one end of the dust collecting bin (113), a first conveying motor (115) is arranged at the top of the mounting plate (114), a first conveying screw (120) is connected to an output shaft of the first conveying motor (115), the first conveying screw (120) is positioned in an inner cavity of the dust collecting bin (113), a dust exhaust pipe (117) is arranged at the bottom of one end of the dust collecting bin (113) close to the mounting plate (114), a second conveying motor (116) is arranged at one end of the dust exhaust pipe (117), and an output shaft of the second conveying motor (116) is connected with a second conveying screw rod (121), and the second conveying screw rod (121) is positioned in the inner cavity of the ash discharge pipe (117).
3. The ammonia desulphurization and dust removal integrated flue gas ultra-low emission device of claim 1, wherein a water storage tank (124) is installed at the bottom of one side of the spray tower (108), a circulating water pipe (135) is installed at a position close to the upper part of the joint of the water storage tank (124) and the spray tower (108), the bottom of one side of the water storage tank (124) is connected to a liquid inlet of a second delivery pump (125) through a pipeline, a liquid outlet of the second delivery pump (125) is connected to the top of one side of the spray tower (108) through a pipeline, and the spray tower (108) is connected to one side of the second delivery pipe (126) through a plurality of fixing plates (127).
4. The ammonia desulphurization and dust removal integrated flue gas ultra-low emission device according to claim 1, wherein a water absorption sponge (130) and an activated carbon plate (131) are arranged in an inner cavity of the tail gas treatment box (128), the water absorption sponge (130) is positioned in an inner cavity of one end of the tail gas treatment box (128) close to the second conveying pipe (126), the activated carbon plate (131) is positioned in an inner cavity of one end of the tail gas treatment box (128) close to the blower (129), a plurality of water drainage holes are formed in the bottom of the tail gas treatment box (128), one side of the water absorption sponge (130) is connected with a squeezing plate (132), the axial center of one side of the squeezing plate (132) far away from the water absorption sponge (130) is connected to a movable rod of the squeezing cylinder (133), and the squeezing cylinder (133) is installed on one side of the tail gas treatment box (128).
5. The ammonia desulfurization and dust removal integrated flue gas ultra-low emission device of claim 1, wherein a first spray pipe (122) is installed at the top of an inner cavity of the desulfurization tower (105), the first spray pipe (122) is communicated to a liquid outlet of a first conveying pump (106) through a pipeline, a second spray pipe (134) is installed at the top of an inner cavity of the spray tower (108), the second spray pipe (134) is communicated to a liquid outlet of a second conveying pump (125) through a pipeline, the first spray pipe (122) and the second spray pipe (134) each comprise a first circular pipe (136), a connecting pipe (137), a second circular pipe (138) and spray holes (139), the first circular pipe (136) and the second circular pipe (138) are concentrically arranged, a plurality of connecting pipes (137) are installed between the first circular pipe (136) and the second circular pipe (138), and the plurality of connecting pipes (137) are arranged in a circular array with the circle centers of the first circular pipe (136) and the second circular array (138) The bottom parts of the first ring pipe (136), the connecting pipe (137) and the second ring pipe (138) are provided with a plurality of spraying holes (139).
6. The use method of the ammonia desulphurization and dust removal integrated flue gas ultra-low emission device according to claim 1 is characterized by comprising the following steps:
the method comprises the following steps: introducing waste gas from an air inlet of a bag-type dust collector (101), filtering the waste gas by the bag-type dust collector (101), allowing dust in the waste gas to enter an ash collection bin (113) from a dust outlet, starting a first conveying motor (115), driving a first conveying screw rod (120) to rotate by the operation of the first conveying motor (115), conveying the dust in the ash collection bin (113) to an ash discharge pipe (117), starting a second conveying motor (116), driving a second conveying screw rod (121) to rotate by the operation of the second conveying motor (116), discharging the dust from the end part of the ash discharge pipe (117), and finishing primary dust removal on the waste gas;
step two: after the waste gas is dedusted, starting an induced draft fan (103), wherein the induced draft fan (103) operates to pump out the waste gas from an air outlet of a bag-type dust remover (101) through a first air duct (102), then the waste gas is conveyed into an inner cavity of a desulfurizing tower (105) through a second air duct (104), starting a first conveying pump (106), the first conveying pump (106) operates to pump out ammonia water in an ammonia water storage tank (107), the ammonia water is conveyed into a first spraying pipe (122), the ammonia water is released from spraying holes (139) of the first spraying pipe (122), the waste gas is sprayed, in the spraying process, oxygen is introduced from an oxygen inlet pipe (110), and preliminary desulfurization is completed on the waste gas;
step three: after the waste gas is desulfurized, the waste gas is conveyed into the spray tower (108) through the first conveying pipe (112), the second conveying pump (125) is started, the second conveying pump (125) operates to pump out clean water in the water storage tank (124) and convey the clean water into the second spray pipe (134), the clean water is released from the spray holes (139) of the second spray pipe (134), the waste gas is sprayed, and the dust removal and desulfurization are further carried out on the waste gas;
step four: after further dedusting and desulfurization, the waste gas is conveyed into a tail gas treatment box (128) through a second conveying pipe (126), moisture in the waste gas is absorbed by a water absorption sponge (130), and the waste gas is adsorbed and purified through an activated carbon plate (131);
step five: the blower (129) is started, and the blower (129) is operated to discharge the exhaust gas after adsorption and purification through the chimney (109).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849695.6A CN111974185A (en) | 2020-08-21 | 2020-08-21 | Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010849695.6A CN111974185A (en) | 2020-08-21 | 2020-08-21 | Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111974185A true CN111974185A (en) | 2020-11-24 |
Family
ID=73442812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010849695.6A Pending CN111974185A (en) | 2020-08-21 | 2020-08-21 | Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111974185A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877388A (en) * | 2021-11-15 | 2022-01-04 | 湖南天通环保科技有限公司 | Clean discharge system of desulfurization dust removal flue gas |
| CN114150096A (en) * | 2021-12-30 | 2022-03-08 | 刘朋川 | Waste gas treatment equipment with spraying dust removal structure for smelting blast furnace |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202289840U (en) * | 2011-11-11 | 2012-07-04 | 上海克硫环保科技股份有限公司 | Activated coke flue gas desulfurization and denitrification system |
| CN104785091A (en) * | 2015-04-24 | 2015-07-22 | 南京澄天环境科学研究院有限公司 | Advanced emission reduction method and device for sulfur-containing tail gas of fuming furnace |
| CN108479369A (en) * | 2018-04-24 | 2018-09-04 | 中国石油化工股份有限公司 | A kind of ultra-clean discharge ammonia desulfuration equipment and technique |
| CN209576144U (en) * | 2018-12-29 | 2019-11-05 | 银发环保股份有限公司 | A kind of waste gas purification apparatus |
-
2020
- 2020-08-21 CN CN202010849695.6A patent/CN111974185A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202289840U (en) * | 2011-11-11 | 2012-07-04 | 上海克硫环保科技股份有限公司 | Activated coke flue gas desulfurization and denitrification system |
| CN104785091A (en) * | 2015-04-24 | 2015-07-22 | 南京澄天环境科学研究院有限公司 | Advanced emission reduction method and device for sulfur-containing tail gas of fuming furnace |
| CN108479369A (en) * | 2018-04-24 | 2018-09-04 | 中国石油化工股份有限公司 | A kind of ultra-clean discharge ammonia desulfuration equipment and technique |
| CN209576144U (en) * | 2018-12-29 | 2019-11-05 | 银发环保股份有限公司 | A kind of waste gas purification apparatus |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113877388A (en) * | 2021-11-15 | 2022-01-04 | 湖南天通环保科技有限公司 | Clean discharge system of desulfurization dust removal flue gas |
| CN114150096A (en) * | 2021-12-30 | 2022-03-08 | 刘朋川 | Waste gas treatment equipment with spraying dust removal structure for smelting blast furnace |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103203170A (en) | Flue-gas cleaner | |
| CN205164417U (en) | Purification unit of high temperature flue gas | |
| CN110585875A (en) | High-efficient boiler dust removal SOx/NOx control device | |
| CN204447751U (en) | A kind of labyrinth type biological purification plant | |
| CN111974185A (en) | Ammonia desulphurization and dust removal integrated flue gas ultralow emission device and use method thereof | |
| CN212881688U (en) | High-efficient desulphurization unit of flue gas | |
| CN213334477U (en) | More efficient desulfurization dust remover | |
| CN101927125B (en) | Dual-circulation absorption tower | |
| CN103982904A (en) | Novel comprehensive flue gas treatment system and method | |
| CN201389423Y (en) | Flue gas desulphurization dust removing tower for coal burning boiler | |
| CN203893210U (en) | Novel smoke comprehensive treatment device | |
| CN106861400B (en) | Gas-water separation type double-pressure desulfurizing tower and annular movable brick kiln | |
| CN210845883U (en) | VOCs processing system suitable for methyl alcohol filling station | |
| CN205127717U (en) | Supporting sea water desulfurization system of coal -fired power unit | |
| CN210045066U (en) | High-efficient purifier of flue gas | |
| CN116139650B (en) | Catalytic reduction purifying equipment for flue gas at outlet of power plant | |
| CN203355583U (en) | Flue gas purifier | |
| CN219441255U (en) | Catalytic reduction purifying equipment for flue gas at outlet of power plant | |
| CN115738669B (en) | An energy-saving and environmentally friendly device for desulfurization and denitrification of industrial boiler flue gas | |
| CN214862303U (en) | Pneumatic cyclone separation and purification device | |
| CN206240230U (en) | Recirculated water washing type paint spraying waste gas purifying system | |
| CN212651619U (en) | Industrial flue gas dust removal desulfurization clarification plant | |
| CN211514007U (en) | Efficient waste gas desulfurization denitration treatment device | |
| CN205435443U (en) | Industrial flue gas desulfurization and dust removal system | |
| CN210385433U (en) | Dust removal SOx/NOx control device for coal fired boiler room |
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: 20201124 |