CN221015319U - Wall-sticking-preventing quench tower for hazardous waste flue gas purification - Google Patents
Wall-sticking-preventing quench tower for hazardous waste flue gas purification Download PDFInfo
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- CN221015319U CN221015319U CN202322605954.2U CN202322605954U CN221015319U CN 221015319 U CN221015319 U CN 221015319U CN 202322605954 U CN202322605954 U CN 202322605954U CN 221015319 U CN221015319 U CN 221015319U
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- quenching tower
- quenching
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- 238000010791 quenching Methods 0.000 title claims abstract description 101
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000003546 flue gas Substances 0.000 title claims abstract description 62
- 238000000746 purification Methods 0.000 title claims abstract description 18
- 239000002920 hazardous waste Substances 0.000 title claims abstract description 14
- 230000000171 quenching effect Effects 0.000 claims abstract description 73
- 239000000110 cooling liquid Substances 0.000 claims abstract description 37
- 239000000428 dust Substances 0.000 claims abstract description 31
- 239000003513 alkali Substances 0.000 claims abstract description 28
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 21
- 230000023556 desulfurization Effects 0.000 claims abstract description 20
- 239000002351 wastewater Substances 0.000 claims abstract description 17
- 238000004065 wastewater treatment Methods 0.000 claims abstract description 10
- 230000002265 prevention Effects 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000002912 waste gas Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 abstract 2
- 238000005507 spraying Methods 0.000 description 15
- 239000002956 ash Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 9
- 239000002918 waste heat Substances 0.000 description 9
- 238000002485 combustion reaction Methods 0.000 description 7
- 239000000779 smoke Substances 0.000 description 7
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000003344 environmental pollutant Substances 0.000 description 4
- 239000010881 fly ash Substances 0.000 description 4
- 231100000719 pollutant Toxicity 0.000 description 4
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000001464 adherent effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000008235 industrial water Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000004056 waste incineration Methods 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 238000000197 pyrolysis Methods 0.000 description 2
- 230000008929 regeneration Effects 0.000 description 2
- 238000011069 regeneration method Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 235000011116 calcium hydroxide Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 229910000040 hydrogen fluoride Inorganic materials 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000003303 reheating Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model discloses an anti-sticking quench tower for hazardous waste flue gas purification, and relates to the technical field of waste gas purification. The device comprises a quenching tower, a dry reactor, a bag type dust remover and an alkali liquid wet deacidification system, wherein a cooling liquid nozzle is arranged at the top of the quenching tower, and the outlet of the bag type dust remover is connected with the alkali liquid wet deacidification system; the alkali liquor wet deacidification system is connected with the desulfurization wastewater treatment system; the desulfurization wastewater pump is connected with the cooling liquid nozzle; the outlet of the bag type dust collector is connected with an adherence wind inlet pipeline of the quenching tower; the wall-attached wind inlet pipeline of the quench tower comprises wall-attached wind inlet pipes, the wall-attached wind inlet pipes are connected with wall-attached wind branch pipes, the two wall-attached wind branch pipes are connected with wall-attached wind parent pipes, and the wall-attached wind parent pipes are connected with wall-attached prevention fans; the wall-attached air inlet pipe is tangent to the inner wall of the quenching tower. According to the utility model, the wall-attached air inlet pipeline is arranged below the cooling liquid nozzle of the quenching tower, a layer of spiral downward wall-attached air is formed on the wall of the quenching tower, and the cooling liquid is oversprayed, so that scaling of the quenching tower is effectively prevented.
Description
Technical Field
The utility model relates to the technical field of waste gas purification, in particular to an anti-sticking wall quench tower for hazardous waste gas purification.
Background
In recent years, hazardous waste disposal adopts an incineration mode, but the flue gas generated by incineration contains pollutants such as particulate matters, hydrogen fluoride, hydrogen chloride, heavy metals and compounds thereof, so as to meet the requirements of hazardous waste incineration pollutant control standards (GB 1884-2020), most of hazardous waste incineration flue gas treatment adopts the processes of SNCR, quench tower, dry deacidification, active carbon, bag dust removal, wet deacidification and flue gas heating, and when the requirements on NOx emission in part of areas are strict, an SCR denitration process is added on the basis of the existing process.
The temperature of the dangerous waste flue gas is reduced to 500-600 ℃ after the waste heat of the waste heat boiler is utilized, and in order to avoid the regeneration of dioxin substances in the temperature range of 250-500 ℃, a quenching tower is arranged in a purification system to rapidly cool the flue gas to 180-200 ℃ within 1s, so the quenching tower is a key device of the dangerous waste flue gas purification system.
The quenching tower is usually cooled directly by spraying water, and is atomized by a nozzle and fully mixed with the flue gas to complete rapid cooling and partial removal of the flue gas pollutants; in order to ensure the outlet smoke temperature of the quenching tower, the spray amount of the quenching tower can be changed along with the smoke parameters, the problem of wet walls below a spray layer cannot be avoided, the long-term operation easily causes scaling of the tower walls, on one hand, the influence of the tower section on the quenching effect of the smoke is reduced, on the other hand, the safety of the tower structure is influenced, and meanwhile, the scaling blocks fall off the bottom of the quenching tower to block a flue, so that the system is stopped, and the operation reliability is reduced.
Therefore, it is necessary to develop an anti-sticking quench tower for hazardous waste flue gas purification.
Disclosure of Invention
The utility model aims to overcome the defects of the background technology and provide an anti-sticking quench tower for hazardous waste flue gas purification.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a danger useless flue gas purification is with preventing adherence quench tower which characterized in that: the device comprises a quenching tower, a dry method reactor, a bag type dust remover and an alkali liquor wet deacidification system, wherein a cooling liquid nozzle is arranged at the top of the quenching tower, the quenching tower and the bottom of the dry method reactor are both connected with a screw conveyor, an outlet of the dry method reactor is connected with the bag type dust remover, and an outlet of the bag type dust remover is connected with the alkali liquor wet deacidification system;
The alkali liquor wet deacidification system is connected with the desulfurization wastewater treatment system through a desulfurization wastewater pump; the desulfurization wastewater pump is connected with the cooling liquid nozzle through a filter;
The outlet of the bag type dust collector is connected with an adherence air inlet pipeline of the quenching tower below the cooling liquid nozzle through an adherence prevention fan; the wall-attached wind inlet pipeline of the quenching tower comprises two wall-attached wind inlet pipes which are arranged in the quenching tower and are connected with wall-attached wind branch pipes, the two wall-attached wind branch pipes are connected with wall-attached wind parent pipes, and the wall-attached wind parent pipes are connected with wall-attached prevention fans;
The wall-attached air inlet pipe is tangent to the inner wall of the quenching tower.
In the technical scheme, the cross section of the wall-attached air inlet pipe and the cross section of the quench tower are provided with an inclination angle of 5-10 degrees.
In the technical scheme, the cooling device further comprises a quenching water tank, and the quenching water tank is connected with the cooling liquid nozzle through a quenching water pump.
In the technical scheme, the wall-attached air inlet pipeline of the quenching tower below the cooling liquid nozzle is provided with an upper layer and a lower layer, and each layer of wall-attached air inlet pipeline of the quenching tower is provided with a plurality of groups of wall-attached air inlet pipes; the cooling liquid nozzles are uniformly arranged along the circumferential direction of the top of the quenching tower.
Compared with the prior art, the utility model has the following advantages:
1) According to the utility model, the wall-attached air inlet pipeline is arranged below the cooling liquid nozzle of the quenching tower, a layer of spiral downward wall-attached air is formed on the wall of the quenching tower, and the cooling liquid is oversprayed, so that scaling of the quenching tower is effectively prevented.
2) The temperature of the flue gas at the outlet of the bag type dust collector is about 180 ℃, and the flue gas at the outlet of the bag type dust collector is sent to the quenching tower through the anti-sticking fan, so that the flue gas sent to the quenching tower from the waste heat boiler can be cooled; the wall-attached wind can drive the smoke in the quenching tower to swirl, strengthen the mixing of cooling liquid fogdrops sprayed out by the cooling liquid nozzle, and accelerate the smoke cooling effect.
3) In the utility model, besides the conventional process water is adopted to rapidly cool the flue gas, part of desulfurization wastewater generated by the alkali liquor wet deacidification system is sprayed back to the quenching tower, so that the load of the wastewater treatment system is reduced, the industrial water consumption for cooling is reduced, and the dual effects of flue gas cooling and desulfurization wastewater reduction are realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
FIG. 2 is a schematic diagram of the structure of a quench tower attachment wind inlet duct.
FIG. 3 is a diagram showing the positional relationship between an attached air inlet pipe and a quenching tower.
The device comprises a 1-quench tower, 11-cooling liquid nozzles, 12-quench tower adherence air inlet pipelines, 121-adherence air inlet pipes, 122-adherence air branch pipes, 123-adherence air parent pipes, 13-spraying areas, 14-scaling areas, a 2-dry reactor, a 3-bag type dust collector, a 31-adherence prevention fan, a 4-alkali liquor wet deacidification system, 41-desulfurization wastewater pumps, 42-filters, 43-secondary deacidification towers, 431-demisters, 432-secondary spraying devices, 44-alkali liquor pools, 441-secondary spraying pumps, 442-primary spraying pumps, 45-primary deacidification towers, 451-primary spraying devices, 51-screw conveyors, 52-double-stage ash unloading valves, 53-screw ash conveying machines, 6-quenching water tanks, 61-quenching water pumps and 7-induced fans.
Detailed Description
The following detailed description of the utility model is, therefore, not to be taken in a limiting sense, but is made merely by way of example. While the advantages of the utility model will become apparent and readily appreciated by reference to the following description.
As can be seen with reference to the accompanying drawings: the utility model provides a danger useless flue gas purification is with preventing adherence quench tower which characterized in that: the device comprises a quenching tower 1, a dry reactor 2, a bag type dust collector 3 and an alkali liquor wet deacidification system 4, wherein a cooling liquid nozzle 11 is arranged at the top of the quenching tower 1, the quenching tower 1 and the bottom of the dry reactor 2 are both connected with a screw conveyor 51, the outlet of the dry reactor 2 is connected with the bag type dust collector 3, and the outlet of the bag type dust collector 3 is connected with the alkali liquor wet deacidification system 4;
The outlet of the bag type dust collector 3 is connected with an adherence air inlet pipeline 12 of a quenching tower positioned below the cooling liquid nozzle 11 through an adherence prevention fan 31; the said quench tower wall-attached wind inlet pipe 12 includes two wall-attached wind inlet pipes 121 located in quench tower 1 as a group, wall-attached wind branch pipes 122 connecting the two wall-attached wind inlet pipes 121 as a group, wall-attached wind mother pipes 123 with one end connected with wall-attached wind branch pipes 122 and the other end connected with wall-attached blower 31;
The wall-attached air inlet pipe 121 is tangential to the inner wall of the quenching tower 1;
the quenching tower 1 is internally provided with a spraying area 13 and a scaling area 14 from top to bottom, the cooling liquid nozzle 11 is positioned in the spraying area 13, and the adherent air inlet pipe 121 is positioned in the scaling area 14.
The wall-attached air inlet pipe 121 has an inclination angle of 5-10 degrees with the cross section of the quenching tower 1.
Also included is a quench water tank 6, said quench water tank 6 being connected to the coolant nozzle 11 by a quench water pump 61.
The bottom of the screw conveyor 51 is connected with a two-stage ash discharge valve 52.
The bottom of the bag type dust collector 3 is provided with a spiral ash conveyer 53; the two-stage ash discharge valve 52 and the spiral ash conveyor 53 are connected with a fly ash conveying system.
The cooling tower adherence air inlet pipeline 12 positioned below the cooling liquid nozzle 11 is provided with an upper layer and a lower layer, and each layer of cooling tower adherence air inlet pipeline 12 is provided with a plurality of groups of adherence air inlet pipes 121; the cooling liquid nozzles 11 are uniformly arranged in a plurality along the circumferential direction of the top of the quenching tower 1.
The alkali liquor wet deacidification system 4 comprises a secondary deacidification tower 43 and an alkali liquor pool 44, wherein a demister 431 and a secondary spraying device 432 are arranged in the secondary deacidification tower 43 from top to bottom, the top of the secondary deacidification tower 43 is connected with an SCR denitration system or a chimney through a draught fan 7, the alkali liquor pool 44 is connected with the secondary spraying device 432 through a secondary spraying pump 441, and the bottom of the secondary deacidification tower 43 is connected with the alkali liquor pool 44; the bottom of the alkali liquor pool 44 is connected with a desulfurization wastewater treatment system through a desulfurization wastewater pump 41.
The alkali liquor wet deacidification system 4 further comprises a primary deacidification tower 45, a primary spraying device 451 is arranged in the primary deacidification tower 45, a flue gas outlet at the top of the primary deacidification tower 45 is connected with a flue gas inlet of a secondary deacidification tower 43, the alkali liquor pond 44 is connected with the primary spraying device 451 through a primary spraying pump 442, the bottom of the primary deacidification tower 45 is connected with the alkali liquor pond 44, and an outlet of the bag-type dust collector 3 is connected with a flue gas inlet of the primary deacidification tower 45; the flue gas inlet of the secondary deacidification tower 43 is connected with the flue gas outlet of the primary deacidification tower 45; the flue gas outlet of the first-stage deacidification tower 45 is located at the top of the first-stage deacidification tower 45, the flue gas inlet of the second-stage deacidification tower 43 is located at the side bottom of the second-stage deacidification tower 43, the flue gas outlet of the second-stage deacidification tower 43 is located at the top of the second-stage deacidification tower 43, and the flue gas inlet of the first-stage deacidification tower 45 is located at the bottom of the first-stage deacidification tower 45.
The application method of the anti-sticking quench tower for hazardous waste flue gas purification comprises the following steps:
step 1: the flue gas is pressurized and conveyed to a cooling liquid nozzle 11 by a quenching water pump 61 through a quenching tower 1, and fully atomized and fully mixed with the flue gas, the flue gas is rapidly cooled to 180-200 ℃ within 1s by utilizing the industrial water, the rapid cooling is completed, and part of flue gas pollutants are removed; avoiding the regeneration of dioxin substances in the temperature range of 250-500 ℃;
Step 2: the quenched flue gas is sent into a dry reactor 2, the bottom of the dry reactor 2 adopts a Venturi form, the flue gas speed is increased due to the reduced throat sectional area, turbulence is generated, and residual harmful substances in the flue gas are fully mixed and contacted with sprayed slaked lime powder and activated carbon powder, so that the deacidification reaction and the dioxin adsorption effect are improved; the deacidification product and the active carbon powder for adsorbing the dioxin are in solid state, a small part of the active carbon powder is sent to a fly ash conveying system through a screw conveyor 51 and a double-stage ash discharging valve 52, and a large part of the active carbon powder enters a bag type dust collector 3 along with the flue gas;
Step 3: the dust-containing flue gas is filtered by utilizing the filtering action of the filter bag in the bag type dust collector 3, and the dust removal efficiency can reach more than 99 percent; in addition, most of dioxin and heavy metals are captured by the bag filter 3 along with solid particles, so that the emission of dioxin is reduced to a certain extent; the fly ash of the ash bucket at the bottom of the bag dust collector 3 is sent to a fly ash conveying system through a spiral ash conveyer 53;
Step 4: the flue gas is deacidified by adopting an alkali liquor wet deacidification system 4 after dust removal, and the absorbent adopts a strong alkali NaOH solution; when the acid gas content in the flue gas is low, stopping operating the primary spray pump 442, and using the primary deacidification tower 45 as a flue;
When the acid gas content is higher, the primary deacidification tower 45 and the secondary deacidification tower 43 are put into use at the same time, and the deacidified flue gas enters an SCR denitration system or is directly discharged from a chimney according to NOx discharge requirements;
Step 5: the desulfurization wastewater generated by the alkali liquor wet deacidification system 4 is sent to a wastewater treatment system from the bottom of an alkali liquor pool 44 through a desulfurization wastewater pump 41; in order to reduce the wastewater treatment capacity and the wastewater treatment system load, part of the desulfurization wastewater is sprayed back to the quench tower 1 through the filter 42 by the cooling liquid nozzle 11, so that the flue gas temperature reduction and the desulfurization wastewater reduction are realized;
Step 6: when desulfurization wastewater is sprayed back to the quenching tower 1 through the filter 42 by the cooling liquid nozzle 11, one path of flue gas is led from the outlet of the bag type dust collector 3 to be sent to the quenching tower 1 through the anti-adherence fan 31, and an adherence air inlet pipe 121 is arranged below the cooling liquid nozzle 11, so that a layer of spiral downward adherence air is formed on the tower wall of the quenching tower 1, and the scaling of the quenching tower is prevented.
The utility model optimizes the process and the quench tower system of the conventional hazardous waste incineration flue gas ultra-low emission purification of a secondary combustion chamber, SNCR denitration, a waste heat boiler, a quench tower, a dry reactor, bag dust removal, alkali liquor wet deacidification and (flue gas reheating and SCR denitration), and specifically comprises the following steps:
1) The desulfurization wastewater generated by the alkali liquor wet deacidification system 4 can be partially sent to the quenching tower 1 for back spraying while being sent to the wastewater treatment system for treatment, thereby being beneficial to reducing the load of the wastewater treatment system, reducing the industrial water consumption for cooling and realizing the dual effects of flue gas cooling and desulfurization wastewater reduction.
2) A plurality of cooling liquid nozzles 11 are uniformly arranged on the circumference of the top of the quenching tower 1, the installation direction of the cooling liquid nozzles 11 is optimally designed according to the condition of a flue gas flow field, the desulfurization waste water containing impurity salt substances are considered, and the cooling liquid nozzles 11 are wear-resistant nozzles.
3) An adherent air inlet pipeline 12 is arranged below the cooling liquid nozzle 11, and the adherent air inlet pipeline 12 is circumferentially cut along the tower wall of the quenching tower 1 and maintains an inclination angle of 5-10 degrees with the cross section of the tower body of the quenching tower 1; the tail end of the wall-attached wind inlet pipeline 12 is flattened by a circular pipe, so that the wall-attached wind flow rate is improved; each section is provided with a plurality of layers, and two layers are arranged up and down. A layer of spiral downward wall-attached wind is formed on the tower wall of the quenching tower 1, so that scaling of the quenching tower 1 is effectively prevented.
4) The tower wall of the quenching tower 1 in a certain height range below the cooling liquid nozzle 11 is an easy scaling area, one path of flue gas is led from the outlet of the bag type dust collector 3 to be sent to the quenching tower 1 through the anti-sticking fan 31, the temperature of the flue gas at the outlet of the bag type dust collector 3 is about 180 ℃, and the flue gas is sent to the quenching tower 1 through the anti-sticking fan 31, so that the flue gas sent to the quenching tower 1 from the waste heat boiler can be cooled; the wall-attached wind can drive the smoke in the quenching tower 1 to swirl, strengthen the mixing of the cooling liquid mist drops sprayed out by the cooling liquid nozzle 11, and accelerate the smoke cooling effect.
Before the flue gas enters the quenching tower 1, the following steps are carried out:
The flue gas generated by the incinerator enters a secondary combustion chamber for further pyrolysis combustion, so that the harmful substances are ensured to be fully burnt out; the combustion temperature of the secondary combustion chamber is more than or equal to 1100 ℃, the residence time of the flue gas is more than or equal to 2s, and the harmful odor and polychloride are fully decomposed, so that the generation of dioxins is inhibited.
The flue gas after passing through the secondary combustion chamber enters a waste heat boiler, and an SNCR denitration system is arranged on a connecting flue between the secondary combustion chamber and the waste heat boiler; pyrolysis of NH 3 in urea solution and reaction with NO to remove NOx by using high-temperature flue gas at about 1100 ℃; the flue gas after denitration enters a waste heat boiler for waste heat recovery, and the temperature is reduced to 500-600 ℃.
Other non-illustrated parts are known in the art.
Claims (4)
1. The utility model provides a danger useless flue gas purification is with preventing adherence quench tower which characterized in that: the device comprises a quenching tower (1), a dry reactor (2), a bag type dust collector (3) and an alkali liquor wet deacidification system (4), wherein a cooling liquid nozzle (11) is arranged at the top of the quenching tower (1), the quenching tower (1) and the bottom of the dry reactor (2) are both connected with a screw conveyor (51), an outlet of the dry reactor (2) is connected with the bag type dust collector (3), and an outlet of the bag type dust collector (3) is connected with the alkali liquor wet deacidification system (4);
The alkali liquor wet deacidification system (4) is connected with a desulfurization wastewater treatment system through a desulfurization wastewater pump (41); the desulfurization wastewater pump (41) is connected with the cooling liquid nozzle (11) through a filter (42);
The outlet of the bag type dust collector (3) is connected with an adherence air inlet pipeline (12) of the quenching tower below the cooling liquid nozzle (11) through an adherence prevention fan (31); the wall-attached air inlet pipeline (12) of the quenching tower comprises two groups of wall-attached air inlet pipes (121) which are positioned in the quenching tower (1), the wall-attached air inlet pipes (121) are connected with wall-attached air branch pipes (122), the two wall-attached air branch pipes (122) are connected with wall-attached air parent pipes (123), and the wall-attached air parent pipes (123) are connected with wall-attached prevention fans (31);
The wall-attached air inlet pipe (121) is tangential to the inner wall of the quenching tower (1).
2. The anti-sticking quench tower for hazardous waste flue gas purification according to claim 1, wherein: the cross section of the wall-attached air inlet pipe (121) and the cross section of the quenching tower (1) are provided with an inclination angle of 5-10 degrees.
3. The anti-sticking quench tower for hazardous waste flue gas purification according to claim 2, wherein: the cooling device also comprises a quenching water tank (6), wherein the quenching water tank (6) is connected with the cooling liquid nozzle (11) through a quenching water pump (61).
4. An anti-sticking quench tower for hazardous waste flue gas purification according to claim 3, characterized in that: the cooling tower adherence air inlet pipeline (12) positioned below the cooling liquid nozzle (11) is provided with an upper layer and a lower layer, and each layer of cooling tower adherence air inlet pipeline (12) is provided with a plurality of groups of adherence air inlet pipes (121); the cooling liquid nozzles (11) are uniformly arranged along the circumferential direction of the top of the quenching tower (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605954.2U CN221015319U (en) | 2023-09-25 | 2023-09-25 | Wall-sticking-preventing quench tower for hazardous waste flue gas purification |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322605954.2U CN221015319U (en) | 2023-09-25 | 2023-09-25 | Wall-sticking-preventing quench tower for hazardous waste flue gas purification |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221015319U true CN221015319U (en) | 2024-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322605954.2U Active CN221015319U (en) | 2023-09-25 | 2023-09-25 | Wall-sticking-preventing quench tower for hazardous waste flue gas purification |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221015319U (en) |
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2023
- 2023-09-25 CN CN202322605954.2U patent/CN221015319U/en active Active
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