CN114405680A - High-efficiency wet dust removal and white elimination process and device - Google Patents
High-efficiency wet dust removal and white elimination process and device Download PDFInfo
- Publication number
- CN114405680A CN114405680A CN202210067992.4A CN202210067992A CN114405680A CN 114405680 A CN114405680 A CN 114405680A CN 202210067992 A CN202210067992 A CN 202210067992A CN 114405680 A CN114405680 A CN 114405680A
- Authority
- CN
- China
- Prior art keywords
- flue gas
- gas
- dedusting
- water
- elimination process
- 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 53
- 238000003379 elimination reaction Methods 0.000 title claims abstract description 20
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 239000003546 flue gas Substances 0.000 claims abstract description 72
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 71
- 239000007789 gas Substances 0.000 claims abstract description 34
- 239000003570 air Substances 0.000 claims abstract description 21
- 239000002893 slag Substances 0.000 claims abstract description 15
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 14
- 239000010959 steel Substances 0.000 claims abstract description 14
- 238000000746 purification Methods 0.000 claims abstract description 12
- 238000002156 mixing Methods 0.000 claims abstract description 9
- 239000012080 ambient air Substances 0.000 claims abstract description 8
- 238000005507 spraying Methods 0.000 claims abstract description 7
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims description 22
- 238000001816 cooling Methods 0.000 claims description 18
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 238000005406 washing Methods 0.000 claims description 4
- 230000018044 dehydration Effects 0.000 claims description 2
- 238000006297 dehydration reaction Methods 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000002245 particle Substances 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 3
- 239000012716 precipitator Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910001338 liquidmetal Inorganic materials 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 238000004062 sedimentation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/06—Spray cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
- B01D5/0003—Condensation of vapours; Recovering volatile solvents by condensation by using heat-exchange surfaces for indirect contact between gases or vapours and the cooling medium
- B01D5/0009—Horizontal tubes
-
- 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
- B01D53/002—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 condensation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Separation Of Particles Using Liquids (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a high-efficiency wet dust removal and white elimination process and a device, which comprises the following steps: step 1, enabling high-temperature steel slag to enter water to generate flue gas, and spraying, primarily dedusting, purifying and precooling the flue gas collected by an air suction cover to effectively remove larger dust particles in the flue gas and prevent oxidized metal from being adhered to a shell of the dust suction cover; step 2, the flue gas after primary purification in the step 1 enters a gas-gas heat exchanger for secondary purification, and the gas-gas heat exchanger adsorbs micro-dust and condenses part of water vapor to purify the flue gas; step 3, the flue gas purified in the step 2 is sprayed again for dedusting and purification; and 4, after dedusting and demisting the flue gas sprayed and washed again in the step 3 by the Rankine vortex micro-wet electric dedusting demister, mixing the flue gas with the ambient air subjected to heat exchange and temperature rise and discharging. The invention effectively removes dust and eliminates white, and has the advantages of relatively small investment, no need of external heat source, low operating cost, recovery of a large amount of water resources, small occupied area and the like.
Description
Technical Field
The invention relates to the technical field of ferroelectric film materials, in particular to a high-efficiency wet dust removal and white elimination process, and particularly aims at treating water-containing white flue gas generated in the process of rapidly cooling high-temperature steel slag of steel enterprises.
Background
The requirement of flue gas treatment in China is higher and higher, most of the requirements meet the ultra-low emission standard, and particularly, the requirements of iron and steel enterprises are higher and higher. The water vapor content in a plurality of flue gases in iron and steel enterprises is very large and the water vapor is utilizedThe problems of blocking and scaling and the like exist during dry dust removal, the ultra-low emission requirement is difficult to achieve during common wet dust removal, most of the wet spraying dust removal type water-soluble dust removal and post-humidification type electric dust remover are combined, wet pre-dust removal is carried out by water spraying, then the water-containing flue gas is dehydrated by a solution dehydrator, and finally the water-containing flue gas enters a dry dust remover (a cloth bag dust remover or a plastic burning plate dust remover) for dry dust removal, and the existing wet dust removal process has poor dust removal and fog drop removal effects in practical application and cannot meet the environment-friendly emission requirement. The steel slag discharged from the steel-making furnace contains various harmful substances and has a temperature of about 1100 ℃. In order to rapidly cool and recycle, the water directly flows into a large flushing ditch, flows into a large sedimentation tank together with water and is subjected to sedimentation post-treatment in the prior art. However, when these high-temperature steel slags enter water, explosive gas, mainly water vapor, with more dust and oxides and little liquid metal which is not completely cooled to solid during the explosion of water vapor, is easily adhered to peripheral walls or other objects, the white smoke of the steel slags entering the water flushing ditch is large, and the dust concentration in the smoke is 500mg/Nm3Left and right.
Therefore, it is necessary to design a high-efficiency wet dust removal and white elimination process, which has the advantages of good dust removal effect, simple process, low investment and low operating cost.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the high-efficiency wet dust removal and white elimination process which is simple in process, low in investment and operation cost and beneficial to popularization and application.
In order to achieve the purpose, the invention adopts the technical scheme that: a high-efficiency wet dust removal and white elimination process comprises the following steps:
step 1, enabling high-temperature steel slag to enter water to generate flue gas, and spraying, primarily dedusting, purifying and precooling the flue gas collected by an air suction cover to effectively remove larger dust particles in the flue gas and prevent oxidized metal from being adhered to a shell of the dust suction cover;
step 2, the flue gas after primary purification in the step 1 enters a gas-gas heat exchanger for secondary purification, and the gas-gas heat exchanger adsorbs micro-dust and condenses part of water vapor to purify the flue gas;
step 3, the flue gas purified in the step 2 is sprayed again for dedusting and purification;
and 4, after dedusting and demisting the flue gas sprayed and washed again in the step 3 by the Rankine vortex micro-wet electric dedusting demister, mixing the flue gas with the ambient air subjected to heat exchange and temperature rise and discharging.
Further, the step 2 of dehydrating after heat exchange of the gas-gas heat exchanger also comprises the step of collecting spray water for washing the flue gas in the step 3 and condensed water in the flue gas through a water receiver, so that the moisture of the flue gas in the subsequent steps is reduced.
And further, water collected by the water receiver enters a cooling tower and is used for spraying and dedusting in the step 3 through a circulating water pump.
Further, the spray water in the step 1 is recycled through a circulating water pump.
Further, the air quantity heated by the gas-gas plate heat exchanger is 45-55% of the flue gas quantity to be treated.
The utility model provides a realize high-efficient wet dedusting, white technology's device disappears, from down up setting gradually cover of breathing in, first spray thrower, gas plate heat exchanger, water collector, second spray thrower and the little wet electric dust collector defroster of rankine vortex in the device, the cover of breathing in sets up in towards sediment ditch top, and intercommunication slag entry sets up the circulating pump between first spray thrower and the towards sediment ditch.
Further, the device still includes the cooling tower, and the cooling tower passes through the water pump and links to each other with the second spray thrower, and the cooling tower passes through the pipeline and links to each other with the water collector, and the water collector includes the guide plate, and the guide plate is the shutter setting, sets up V type groove under the guide plate.
Furthermore, the flue gas outlet pipeline and the outlet pipeline of the gas-gas plate type heat exchanger converge to form a mixed flue 8, and an induced draft fan is arranged between the mixed flue and a chimney.
Furthermore, a wet flue gas flue regulating valve is arranged on the flue gas outlet pipeline, and a dry and hot flue gas flue regulating valve is arranged on the outlet pipeline of the gas-gas plate type heat exchanger.
Furthermore, the pipe diameter of the flue gas outlet pipeline is one third of that of the outlet pipeline of the gas-gas plate heat exchanger.
The invention has the beneficial effects that: the efficient wet dust removal device and the process effectively remove dust and white, the air suction cover directly utilizes water in the slag flushing ditch to spray through the pump, the pipeline and the vortex nozzle, the air suction cover is arranged at the upper part of the gas generation position, and the air suction cover directly sprays to remove most of larger dust particles so as to prevent oxidized metal from being adhered to the shell of the dust suction cover; simultaneously, partial steam is condensed to reduce the amount of the steam; the environmental air and the high-temperature water vapor exchange heat through the gas-gas plate heat exchanger, the environmental air is heated to about 70 ℃, part of the water vapor is condensed into water, the dust absorption effect is better on the plate surface of the plate heat exchanger, and the adsorbed micro-dust and the condensed water flow into the lower slag flushing ditch under the action of gravity; the water receiver and the spray condensing dust removal device spray low-temperature water to reduce the temperature of the flue gas, condense most of water vapor into water, and remove dust again; the water and the condensed water after absorbing heat fall into a water receiver, do not contain a heat exchanger below and are discharged to a cooling tower for recycling after cooling, precipitation and filtration; the wet flue gas flue, the regulating valve, the dry flue gas flue, the regulating valve and the mixing flue are used for regulating the temperature and the humidity of the flue gas to ensure that the flue gas does not reach a saturated state at about 5 ℃, so that white smoke is not presented.
Drawings
FIG. 1 is a schematic view of the structure of the apparatus of the present invention.
Fig. 2 is a schematic view of the gas plate heat exchanger in fig. 1.
FIG. 3 is a schematic view of the mixing flue shown in FIG. 1.
Fig. 4 is a schematic structural view of the water receiver in fig. 1.
In the figure: the system comprises a suction hood-1, a gas-gas plate type heat exchanger-2, a water receiver-3, a spray condensing dust removal device-4, a Rankine vortex micro-wet electric dust collector demister-5, a wet flue gas flue regulating valve-6, a dry hot flue gas flue regulating valve-7, a mixing flue-8, an induced draft fan-9, a cooling tower-10 and a drain pipe-11.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present disclosure more apparent, the technical solutions of the embodiments of the present disclosure will be described clearly and completely with reference to the drawings of the embodiments of the present disclosure. It is to be understood that the described embodiments are only a few embodiments of the present disclosure, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the disclosure without any inventive step, are within the scope of protection of the disclosure.
Unless otherwise indicated, the raw materials and reagents used in the following examples are all commercially available products or can be prepared by known methods.
Example one
The invention relates to a high-efficiency wet dust removal and white elimination process, which comprises the following steps:
step 1, enabling high-temperature steel slag to enter water to generate flue gas, and spraying, primarily dedusting, purifying and precooling the flue gas collected by an air suction cover to effectively remove larger dust particles in the flue gas and prevent oxidized metal from being adhered to a shell of the dust suction cover;
step 2, the flue gas after primary purification in the step 1 enters a gas-gas heat exchanger for secondary purification, and the gas-gas heat exchanger adsorbs micro-dust and condenses part of water vapor to purify the flue gas;
step 3, the flue gas purified in the step 2 is sprayed again for dedusting and purification;
and 4, after dedusting and demisting the flue gas sprayed and washed again in the step 3 by the Rankine vortex micro-wet electric dedusting demister, mixing the flue gas with the ambient air subjected to heat exchange and temperature rise and discharging.
In one embodiment, the step 2 further includes a dehydration step after the heat exchange of the gas-gas heat exchanger, and the spray water for washing the flue gas in the step 3 and the condensed water in the flue gas are collected by a water receiver, so as to reduce the moisture in the flue gas in the subsequent steps.
In one embodiment, the water collected by the water receiver enters a cooling tower and is used for step 3 spray dust removal through a circulating water pump.
In one embodiment, the shower water in step 1 is recycled by a circulating water pump.
In one embodiment, the air quantity heated by the gas-gas plate heat exchanger is 45% -55% of the treated flue gas quantity.
Example two
Referring to fig. 1, fig. 2, fig. 3, fig. 4, the high-efficient wet dedusting device of this embodiment, from bottom to top sets gradually the cover 1 of breathing in the device, first spray thrower 4, gas plate heat exchanger 2, water collector 3, second spray thrower 4 and rankine vortex micro wet electric precipitator defroster 5, rankine vortex micro wet electric precipitator defroster adopts prior art, can refer to chinese patent publication No. CN206934992U and disclose that rankine vortex micro wet electric precipitator defroster, the cover of breathing in sets up above dashing the sediment ditch, intercommunication slag entry, set up the circulating pump between first spray thrower and the dashing sediment ditch.
In one embodiment, the device further comprises a cooling tower, the cooling tower is connected with the second sprayer through a water pump, and the cooling tower is connected with the water receiver through a pipeline.
In one embodiment, the flue gas outlet pipeline and the outlet pipeline of the gas plate type heat exchanger are converged to form a mixing flue, and an induced draft fan is arranged between the mixing flue and a chimney.
In one embodiment, a wet flue gas duct regulating valve 6 is arranged on the flue gas outlet pipeline, and a dry flue gas duct regulating valve 7 is arranged on the outlet pipeline of the gas plate type heat exchanger.
In one embodiment, the pipe diameter of the flue gas outlet pipeline is one third of the pipe diameter of the outlet pipeline of the gas-gas plate type heat exchanger.
In one embodiment, the water receiver is a square water receiver, the guide plate is in a horizontal shutter structure, a plurality of V-shaped grooves are arranged below the guide plate and communicated with the drain pipe 11, water finally falls into the V-shaped grooves under the action of gravity and the guide plate (shutter type) from top to bottom and is drained into the drain ditch, and air is drained from the gap of the shutter and rises.
The invention relates to a high-efficiency wet dust removal and white elimination process, which designs a large air suction cover to collect the gases, and arranges a large amount of spray devices in the air suction cover to ensure that the plate surface and the space of the air suction cover have enough water, thereby avoiding the condition that a small amount of liquid metal carried by explosive gas is adhered to the plate surface, and simultaneously removing most dust particles. The gas after primary dust removal contains about 80% of water vapor, about 20% of air and other impurities, and the temperature is about 90 ℃. Then the air enters a plate heat exchanger to exchange heat with ambient air, the amount of the designed ambient air is about 50% of the handling capacity, and the temperature of the designed ambient air is raised to about 70 ℃; meanwhile, a small amount of water is condensed by cooling the high-temperature water vapor and flows down from the plate surface of the plate heat exchanger, so that a good dust absorption effect is achieved on the large plate surface, and part of micro dust can be removed. After passing through the plate heat exchanger, the higher temperature flue gas enters into a spray condenser to be cooled to below 50 ℃ (the condensed water and the spray water enter into a water receiver to be discharged and are recycled after being cooled), then enter into a Rankine vortex micro-wet electric dust removal demister to be dehydrated, demisted and dedusted, the discharged gas completely meets the ultralow emission requirement, is 50 ℃ saturated wet flue gas, is about 60 ℃ after being mixed with more than 2 times of heated ambient air (70 ℃), is far away from the saturation point, can not present white smoke when discharged into the air at about 5 ℃ of the environment, and the discharged flue gas also absolutely meets the ultralow emission requirement.
The invention has the advantages of relatively small investment, no need of external heat source, low operating cost, recovery of a large amount of water resources, small occupied area and the like, solves the problem that the existing steel mill cannot process the steel mill due to the shortage of the field, solves the problem of processing the unorganized flue gas and can completely achieve the ultra-low emission. The process also recycles a large amount of water resources, and has better economic benefit and environmental benefit.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A high-efficiency wet dust removal and white elimination process is characterized by comprising the following steps:
step 1, introducing high-temperature steel slag into water to generate flue gas, and spraying, primarily dedusting, purifying and pre-cooling the flue gas collected by an air suction cover;
step 2, the flue gas after primary purification in the step 1 enters a gas-gas heat exchanger for secondary purification;
step 3, the flue gas purified in the step 2 is sprayed again for dedusting and purification;
and 4, after dedusting and demisting the flue gas sprayed and washed again in the step 3 by the Rankine vortex micro-wet electric dedusting demister, mixing the flue gas with the ambient air subjected to heat exchange and temperature rise and discharging.
2. The efficient wet dedusting and white elimination process according to claim 1, wherein the step 2 further comprises a dehydration step after the heat exchange of the gas-gas heat exchanger, and spray water of the flue gas washed in the step 3 and condensed water in the flue gas are collected through a water receiver.
3. The efficient wet dedusting and white elimination process of claim 1, wherein the water collected by the water receiver enters a cooling tower and is used for spray dedusting in step 3 through a circulating water pump.
4. The efficient wet dedusting and white elimination process according to claim 1, wherein the spray water in the step 1 is recycled through a circulating water pump.
5. The efficient wet dedusting and white elimination process according to claim 1, wherein the amount of air heated by the gas-gas plate heat exchanger is 45% -55% of the amount of flue gas to be treated.
6. The high-efficiency wet dedusting and white elimination process of claim 1 is realized by adopting a device of the high-efficiency wet dedusting and white elimination process, and the device is characterized in that an air suction cover, a first sprayer, an air-gas plate type heat exchanger, a water receiver, a second sprayer and a Rankine vortex micro-wet electric dust remover demister are sequentially arranged in the device from bottom to top, the air suction cover is arranged above a slag washing ditch and communicated with a steel slag inlet, and a circulating pump is arranged between the first sprayer and the slag washing ditch.
7. The efficient wet dedusting and white elimination process of claim 1, wherein the device further comprises a cooling tower, the cooling tower is connected with the second sprayer through a water pump, the cooling tower is connected with a water receiver through a pipeline, the water receiver comprises a guide plate, the guide plate is arranged in a shutter mode, and a V-shaped groove is formed below the guide plate.
8. The efficient wet dedusting and white elimination process according to claim 1, wherein the flue gas outlet pipeline and the gas-gas plate heat exchanger outlet pipeline converge to form a mixed flue, and an induced draft fan is arranged between the mixed flue and a chimney.
9. The efficient wet dedusting and white elimination process according to claim 1, wherein a wet flue gas duct regulating valve is arranged on the flue gas outlet pipeline, and a dry flue gas duct regulating valve is arranged on the gas-gas plate heat exchanger outlet pipeline.
10. The efficient wet dedusting and white elimination process according to claim 1, wherein the pipe diameter of the flue gas outlet pipeline is one third of that of the gas-gas plate heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067992.4A CN114405680A (en) | 2022-01-20 | 2022-01-20 | High-efficiency wet dust removal and white elimination process and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210067992.4A CN114405680A (en) | 2022-01-20 | 2022-01-20 | High-efficiency wet dust removal and white elimination process and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114405680A true CN114405680A (en) | 2022-04-29 |
Family
ID=81274848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210067992.4A Pending CN114405680A (en) | 2022-01-20 | 2022-01-20 | High-efficiency wet dust removal and white elimination process and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114405680A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121703A (en) * | 2010-12-28 | 2011-07-13 | 哈尔滨工业大学 | Mixed type flue gas reheating system suitable for wet type flue gas purification process of high-cold region |
| CN108465368A (en) * | 2018-05-29 | 2018-08-31 | 西安西矿环保科技有限公司 | Desulfurization and dedusting disappears white device for deep cleaning |
| CN207899198U (en) * | 2018-01-29 | 2018-09-25 | 青岛科技大学 | A kind of powder purification apparatus |
| CN109595948A (en) * | 2018-06-01 | 2019-04-09 | 唐山坤蓝科技有限公司 | A kind of steel blast furnace slag flushing steam white cigarette is eliminated and residual neat recovering system |
| CN109772106A (en) * | 2019-01-21 | 2019-05-21 | 浙江菲达环保科技股份有限公司 | A kind of flue gas takes off white water saving fixtures |
| CN110102139A (en) * | 2019-06-13 | 2019-08-09 | 河南迪诺环保科技股份有限公司 | A method of it is taken off for boiler smoke multi-stage heat exchanger white |
| CN209451538U (en) * | 2018-12-05 | 2019-10-01 | 南通醋酸纤维有限公司 | Single-tower three-region desulfurization and whitening integrated device |
| CN209696659U (en) * | 2019-02-26 | 2019-11-29 | 北京皓天百能环保工程有限公司 | A kind of high dirt sintering flue gas desulfurization denitrification apparatus |
| CN110585840A (en) * | 2019-10-10 | 2019-12-20 | 浙江天地环保科技有限公司 | System and method for comprehensively treating waste gas of setting machine |
| CN210410170U (en) * | 2019-05-29 | 2020-04-28 | 旭日环保集团股份有限公司 | Process system suitable for wet desulphurization and white smoke elimination of northern air cooling unit |
| CN111135698A (en) * | 2020-01-16 | 2020-05-12 | 东南大学 | Sintering flue gas desulfurization, white removal and denitration comprehensive treatment system and process |
-
2022
- 2022-01-20 CN CN202210067992.4A patent/CN114405680A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102121703A (en) * | 2010-12-28 | 2011-07-13 | 哈尔滨工业大学 | Mixed type flue gas reheating system suitable for wet type flue gas purification process of high-cold region |
| CN207899198U (en) * | 2018-01-29 | 2018-09-25 | 青岛科技大学 | A kind of powder purification apparatus |
| CN108465368A (en) * | 2018-05-29 | 2018-08-31 | 西安西矿环保科技有限公司 | Desulfurization and dedusting disappears white device for deep cleaning |
| CN109595948A (en) * | 2018-06-01 | 2019-04-09 | 唐山坤蓝科技有限公司 | A kind of steel blast furnace slag flushing steam white cigarette is eliminated and residual neat recovering system |
| CN209451538U (en) * | 2018-12-05 | 2019-10-01 | 南通醋酸纤维有限公司 | Single-tower three-region desulfurization and whitening integrated device |
| CN109772106A (en) * | 2019-01-21 | 2019-05-21 | 浙江菲达环保科技股份有限公司 | A kind of flue gas takes off white water saving fixtures |
| CN209696659U (en) * | 2019-02-26 | 2019-11-29 | 北京皓天百能环保工程有限公司 | A kind of high dirt sintering flue gas desulfurization denitrification apparatus |
| CN210410170U (en) * | 2019-05-29 | 2020-04-28 | 旭日环保集团股份有限公司 | Process system suitable for wet desulphurization and white smoke elimination of northern air cooling unit |
| CN110102139A (en) * | 2019-06-13 | 2019-08-09 | 河南迪诺环保科技股份有限公司 | A method of it is taken off for boiler smoke multi-stage heat exchanger white |
| CN110585840A (en) * | 2019-10-10 | 2019-12-20 | 浙江天地环保科技有限公司 | System and method for comprehensively treating waste gas of setting machine |
| CN111135698A (en) * | 2020-01-16 | 2020-05-12 | 东南大学 | Sintering flue gas desulfurization, white removal and denitration comprehensive treatment system and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109045976A (en) | A kind of ammonia process of desulfurization flue gas disappears white waste heat depth recovery system and application | |
| CN205379793U (en) | Smoke desulfurizing dust collector | |
| CN107261699A (en) | A kind of apparatus and method of the ultra-clean dedusting eliminating white smoke of desulfurization fume | |
| CN110124465B (en) | Low-energy-consumption wet flue gas water-receiving and white-removing device and method | |
| CN112044222A (en) | System and method for removing colored smoke plume of high-temperature water-washed slag steam | |
| CN209034090U (en) | A kind of ammonia process of desulfurization flue gas disappears white waste heat depth recovery system | |
| CN210905523U (en) | Flue gas dehumidifying device | |
| CN110354670A (en) | A kind of boiler with tailed flue gas takes off white system and method | |
| CN208742195U (en) | A kind of dry-method dust-removal device for the aqueous flue dust of steel slag | |
| CN208990512U (en) | A kind of flue gas of wet desulphurization disappears white system | |
| CN108671687B (en) | Dry dust removing device and process for steel slag water-containing smoke dust | |
| CN204182256U (en) | A kind of washing degree of depth dust arrester | |
| CN110433635A (en) | A kind of high-efficiency desulfurization eliminating white smoke device and technique | |
| CN104258668B (en) | A kind of washing degree of depth dust arrester | |
| CN208493801U (en) | A kind of desulfurization and dedusting disappears white device for deep cleaning | |
| CN111135698A (en) | Sintering flue gas desulfurization, white removal and denitration comprehensive treatment system and process | |
| CN114405680A (en) | High-efficiency wet dust removal and white elimination process and device | |
| CN101143298B (en) | High-efficiency wet-desulfurizing dust remover | |
| CN212818972U (en) | Colored smoke plume desorption system of high temperature water flushing sediment steam | |
| CN107090536A (en) | Dry and wet mixing method converter gas one-time dedusting cleaning system | |
| CN211302509U (en) | Sintering flue gas SCR denitration and de-whitening system | |
| CN210845774U (en) | Desulfurization and denitrification flue gas whitening system | |
| CN107090302A (en) | A kind of coke wet quenching high temperature steam treatment device | |
| CN111457408A (en) | Flue gas rotational flow injection de-whitening coupling absorption type heat pump waste heat recovery device and method | |
| CN202666636U (en) | Smoke-gas treating system for ferromolybdenum smelting |
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 |