CN110548359A - Wet dust removal demisting device and wet dust removal demisting method thereof - Google Patents
Wet dust removal demisting device and wet dust removal demisting method thereof Download PDFInfo
- Publication number
- CN110548359A CN110548359A CN201910833910.0A CN201910833910A CN110548359A CN 110548359 A CN110548359 A CN 110548359A CN 201910833910 A CN201910833910 A CN 201910833910A CN 110548359 A CN110548359 A CN 110548359A
- Authority
- CN
- China
- Prior art keywords
- water
- layer
- flue gas
- smoke
- treatment system
- 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
Classifications
-
- 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
- B01D50/40—Combinations of devices covered by groups B01D45/00 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
- B01D53/14—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 absorption
- B01D53/1425—Regeneration of liquid absorbents
-
- 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
- B01D53/14—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 absorption
- B01D53/1431—Pretreatment by other processes
- B01D53/145—Pretreatment by separation of solid or liquid material
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
-
- 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
- B01D53/14—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 absorption
- B01D53/18—Absorbing units; Liquid distributors therefor
- B01D53/185—Liquid distributors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2252/00—Absorbents, i.e. solvents and liquid materials for gas absorption
- B01D2252/10—Inorganic absorbents
- B01D2252/103—Water
-
- 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)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention provides wet dedusting and demisting equipment, which adopts a graded sectional type flue gas purification treatment process and comprises the following steps: a tower body; the chimney is arranged at the top end of the tower body and communicated with the tower body; the gas inlet flue is used for the inlet of the flue gas to be treated; a primary treatment system and a secondary treatment system; the first-stage treatment system comprises a washer and a high-pressure water pump, the washer comprises a plurality of washing pipes and a plurality of high-pressure washing spray heads which are arranged on one sides of the washing pipes and correspond to the washing pipes, and the second-stage treatment system comprises baffle plates, a packing layer and a spraying layer which are sequentially overlapped from bottom to top at intervals in the middle of the tower body. The primary treatment system achieves the adsorption, coalescence and sedimentation of water, water mist and dust particles; the secondary treatment system absorbs, traps and coalesces fog drops, particles, colored smoke rain, coagulable substances and micron-sized particles in the smoke and collects the fog drops, the particles, the colored smoke rain, the coagulable substances and the micron-sized particles in water. Also provides a corresponding wet dedusting and demisting method.
Description
Technical Field
The invention relates to the field of air pollution prevention and control, in particular to wet dust and mist removing equipment and a wet dust and mist removing method thereof.
Background
Dust is one of main sources of air pollution, and because the fuel structure in China still mainly uses coal at present, the air pollution in China mainly uses coal smoke type pollution, wherein the harm of dust and acid rain is the largest, so that the control of the emission of the dust and sulfur dioxide is crucial to the improvement of the air pollution condition. The existing dust removal technology is more perfect in development and mainly comprises bag type dust removal, mechanical type dust removal, electric dust removal and wet dust removal; among them, there are cloth bag type, cyclone type electrostatic, water film type, spray type, water bath type and other dust removing techniques. The three types of dust removal technologies only have a dust removal function and cannot eliminate harmful gases, and the last three types of water film type, spray type and water bath type technologies belong to wet dust removal and have the functions of removing dust and filtering harmful gases, but the dust removal efficiency is relatively low, and the ultralow emission standard is difficult to realize. In recent years, although the technologies are improved, the original technical principle is not separated, and therefore, the technology has no major breakthrough. Other technologies such as spraying, atomizing, cloth bag adding and the like introduced from foreign countries (countries such as the United states, the Japan and the like) have no new breakthrough in principle, and the used equipment has high manufacturing cost. In summary, the prior art has the following drawbacks and problems: 1) the efficiency is single, and complex smoke cannot be treated; 2) the occupied area is large, and the investment is high; 3) the hardening and blocking phenomena of the filter material often occur; 4) the equipment system has large resistance, and high energy consumption and operation cost.
therefore, it is necessary to design new equipment related to defogging and dedusting technologies as an updated product of the current defogging and dedusting technologies, so as to improve the efficiency of defogging and dedusting, reduce energy consumption, and adapt to a wider range.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides the wet dedusting and demisting device and the wet dedusting and demisting method thereof, which have stronger adaptability and are suitable for treating various high-temperature complex industrial flue gases containing oil, water, salt, dust, harmful gas and the like; can efficiently remove a plurality of pollutants in a synergistic way: colored rain, dust, secondary particulate matters (PM2.5) and haze control; and the application is wide: has good momentum transfer characteristic and excellent heat transfer and mass transfer efficiency, and can be applied to cooling of high-temperature gas, gas absorption and used as a reactor to improve the reaction rate.
The invention aims to provide wet dedusting and demisting equipment, which adopts a graded and sectional type flue gas purification treatment process and comprises the following steps:
a tower body;
The chimney 1 is arranged at the top end of the tower body and communicated with the tower body;
The air inlet flue 2 is used for allowing the flue gas to be treated to enter the wet dedusting and demisting device;
A primary processing system and a secondary processing system;
The flue gas to be treated sequentially enters a primary treatment system, a secondary treatment system and the treatment system to realize dedusting and demisting effects, the flue gas to be treated enters the primary treatment system to achieve the adsorption, coalescence and sedimentation of water, water mist and dust particles, the water and dust fall on the bottom of the tower body under the action of attraction force to be settled, the dust is changed into sludge to sink into the bottom, and the clean water is recycled; the flue gas to be treated enters a secondary treatment system to adsorb, capture and coagulate fog drops, particulate matters, colored smoke and rain, coagulable substances and micron-sized particulate matters in the flue gas, and the flue gas is collected in water.
preferably, the primary treatment system comprises a scrubber 3 and a high-pressure water pump, wherein the scrubber 3 is arranged in the air inlet flue 2, and the high-pressure water pump raises the water pressure to 7000pa, so that the sprayed water is atomized and enters the scrubber 3 together with the treated flue gas to be scrubbed by the flue gas.
Preferably, the scrubber 3 comprises a plurality of wash pipes 4 and a plurality of high pressure wash nozzles 5 disposed at one side of the plurality of wash pipes 4 corresponding thereto.
Preferably, the secondary treatment system comprises a baffle plate 6, a packing layer 7 and a spraying layer 8 which are sequentially overlapped at intervals from bottom to top in the middle of the tower body, the flue gas washed by the primary treatment system enters the tower body, through the multi-stage treatment of the baffle plate 6, the packing layer 7 and the spraying layer 8, the flue gas containing fog drops and particulate matters penetrates through the baffle plate 6 to be rectified and uniformly distributed, liquid drops are adsorbed on the surface of the baffle plate 6 to realize the trapping effect, a large amount of water drops generated by spraying fall on the packing layer 7 and flow downwards along the periphery of the packing layer 7 to form a water film layer around the packing, and the gas penetrates through the packing layer 7 and the water film layer and then is sprayed by the spraying layer 8 to generate the inertia impact action and the adsorption action, so that the fog drops, the particulate matters, the colored rain and the colored smoke in the flue gas can, The coagulable substance and the micron-sized particles are adsorbed, trapped and coagulated and collected in water.
preferably, said baffles 6 are corrugated.
Preferably, the filler of the filler layer 7 is oval, the diameter of the filler layer is 8-10cm, when smoke passes through the filler layer 7, the smoke passes through gaps of the filler and a water film layer, and a water layer with the height of 3-5cm is kept above the filler of the filler layer 7 through regulating the pressure of air and water to form an upper water level 9 of the filler.
Preferably, the spraying layer 8 generates dense bubbles and splashes during operation, and forms a water curtain 10 higher than 100cm, and the water curtain 10 is connected with the upper water level 9 of the filling material.
Preferably, a foam layer 11 is arranged between the upper water level 9 of the filling material and the water curtain 10.
preferably, a circulating water pool 12 is arranged at the bottom of the tower body.
the invention also aims to provide a wet dedusting and demisting method, which adopts a multistage sectional type flue gas purification treatment process and comprises the following steps:
firstly, the flue gas to be treated enters a primary treatment system through an air inlet flue 2;
step two, primary treatment is carried out: flue gas washing, namely raising the water pressure to 7000pa by using a high-pressure water pump to enable water sprayed by a high-pressure washing spray head 5 to be in an atomized state, enabling the atomized water to enter a washing pipe 4 together with treated flue gas, carrying out flue gas washing, fully coagulating and fusing the water, mist and dust through pressure control and a flow field of liquid to form dust in water, so as to achieve the purposes of effectively adsorbing, coalescing and settling the water, mist and dust particles, and simultaneously removing the dust and mist, wherein the water and dust fall on the bottom of a tower body under the action of suction force to settle, the dust is changed into sludge and sinks into the bottom, and clear water is recycled;
step three, performing secondary treatment: the washed smoke enters the tower body, through the multi-stage treatment of the baffle plate 6, the packing layer 7 and the spraying layer 8, the smoke containing fog drops and particulate matters is rectified and uniformly distributed when penetrating through the baffle plate 6, liquid drops are adsorbed on the surface of the baffle plate 6 under the action of inertia impact generated by upward flowing of gas to realize the trapping effect, a large amount of water drops generated by spraying fall on the packing layer 7 and flow downwards along the periphery of the packing with the diameter of 8-10cm in the packing layer 7, a water film layer is formed around the packing, a large amount of water drops fall on the water surface, meanwhile, intensive water bubbles and water splash are generated, a water curtain 10 with the height of more than 100cm is formed, a water layer with the height of 3-5cm is always kept above the packing to form a water level 9 at the upper layer of the packing through pressure adjustment of water and water, when the smoke passes through the packing layer 7, the smoke-dust removing filter plate passes through a filler gap and the water film layer, when gas containing fog and dust penetrates through the filler layer, the water layer and the water curtain at the speed of 3-5 m/s and is subjected to spraying treatment, the generated inertia impact effect and the adsorption effect adsorb, capture and condense fog drops, particles, colored smoke and rain, condensable matters and micron-sized particles in smoke, and the fog drops, the particles, the colored smoke and rain, the condensable matters and the micron-sized particles are collected in water, so that the fog and dust removing effects are realized.
The invention has the beneficial effects that:
The equipment of the invention belongs to one of wet flue gas washing technologies, is developed by aiming at various high-temperature complex industrial flue gases containing oil, water, salt, dust, harmful gas and the like, has higher demisting and dedusting efficiency, particularly has extremely high removal efficiency on micron-sized particles and condensables (secondary particles), and also has good momentum transfer characteristic and excellent heat transfer and mass transfer efficiency. Can high-efficiently get rid of coloured smoke and rain, dust, secondary particle thing (PM2.5) and accuse haze effect, have the advantage of wet-type scrubbing method, overcome its shortcoming simultaneously, consequently, also can be applied to high-temperature gas's cooling, gaseous absorption and as reactor in order to improve reaction rate etc. have energy-conserving, high-efficient, clean, practical characteristics, are the renewal product of present defogging dust removal technology and equipment.
drawings
FIG. 1 is a schematic diagram of a wet dedusting and demisting apparatus according to an embodiment of the present invention.
Reference numbers in the figures:
1-chimney, 2-air inlet flue, 3-scrubber, 4-washing pipe, 5-high pressure washing nozzle, 6-baffle plate, 7-packing layer, 8-spraying layer, 9-upper water level of packing, 10-water curtain, 11-foam layer and 12-circulating water tank.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the present invention is not limited thereto.
Referring to fig. 1, the wet dedusting and demisting device of the embodiment adopts a staged sectional flue gas purification treatment process, which includes: a tower body; the chimney 1 is arranged at the top end of the tower body and communicated with the tower body, and the flue gas to be treated enters the air inlet flue 2 of the wet dust removal demisting device; a primary treatment system and a secondary treatment system.
Wherein, primary treatment system includes scrubber 3 and high pressure water pump, and scrubber 3 sets up in air intake flue 2, and high pressure water pump rises water pressure to 7000pa, makes spun water become atomizing state to get into scrubber 3 with handling the flue gas together, carry out the flue gas washing. The scrubber 3 includes a plurality of washing pipes 4 and a plurality of high pressure washing nozzles 5 provided at one side of the plurality of washing pipes 4 corresponding thereto. The flue gas to be treated enters the primary treatment system and the secondary treatment system in sequence to realize dedusting and demisting effects, the flue gas to be treated enters the primary treatment system to achieve the adsorption, coalescence and sedimentation of water, water mist and dust particles, the water and dust fall to the bottom of the tower body under the action of attraction force to settle, the dust becomes sludge and sinks to the bottom, and the bottom of the tower body is adopted to be provided with a circulating water tank 12 to enable clean water to be recycled.
Wherein, the secondary treatment system comprises a baffle plate 6, a packing layer 7 and a spraying layer 8 which are sequentially overlapped at intervals from bottom to top in the middle of the tower body, the smoke washed by the primary treatment system enters the tower body, the smoke containing fog drops and particulate matters passes through the baffle plate 6 through the multi-stage treatment of the baffle plate 6, the packing layer 7 and the spraying layer 8, the smoke is rectified and uniformly distributed, the liquid drops are adsorbed on the surface of the baffle plate 6 to realize the trapping effect, a large amount of water drops generated by the spraying fall on the packing layer 7 and flow downwards along the periphery of the packing layer 7 to form a water film layer around the packing, the gas passes through the packing layer 7 and the water film layer and then is sprayed and treated by the spraying layer 8, the generated inertia impact effect and adsorption effect can adsorb, trap and coalesce the fog drops, the particulate matters, the colored smoke rain, the condensable matters and, collected in water. In the present embodiment, the baffle 6 is designed as a corrugated plate, but those skilled in the art can design other suitable shapes as required, such as a triangular plate, a corrugated plate, etc.
The filler of the filler layer 7 is oval, the diameter is 8-10cm, and when the smoke passes through the filler layer 7, the smoke passes through the filler gaps and the water film layer. By adjusting the pressure of the air and the water, a water layer with the height of 3-5cm is kept above the filler of the filler layer 7 to form a filler upper water level 9. The spraying layer 8 can generate dense water bubbles and water splash in the working process, and a water curtain 10 higher than 100cm is formed, and the water curtain 10 is connected with the upper water level 9 of the filler. A foam layer 11 is arranged between the upper water level 9 of the filling material and the water curtain 10.
A wet dedusting and demisting method by adopting a wet dedusting and demisting device adopts a multistage sectional type flue gas purification treatment process, and comprises the following steps:
Firstly, the flue gas to be treated enters a primary treatment system through an air inlet flue 2;
Step two, primary treatment is carried out: the method comprises the following steps of flue gas washing, namely, raising the water pressure to 7000pa by using a high-pressure water pump to enable water sprayed by a high-pressure washing spray head (5) to be in an atomized state, enabling the water to enter a washing pipe 4 together with treated flue gas to carry out flue gas washing, fully condensing and fusing water, fog and dust through the pressure control of liquid and the special design of a flow field to form dust in water, so that the purposes of effectively adsorbing, coalescing and settling the water, the fog and dust particles are achieved, the dust and the water are removed simultaneously, the water and the dust fall to the bottom of a tower body under the action of suction force to settle, the dust becomes sludge and sinks to the bottom, and clear water is recycled;
Step three, performing secondary treatment: the washed smoke enters the tower body, the smoke containing fog drops and particles is treated in multiple stages through the baffle plate 6, the packing layer 7 and the spraying layer 8, when the smoke permeates through the baffle plate 6, the smoke is rectified and uniformly distributed, liquid drops are adsorbed on the surface of the baffle plate 6 under the action of inertia impact generated by upward flowing of gas to realize the trapping effect, a large amount of water drops generated by spraying fall on the packing layer 7 and flow downwards along the periphery of the packing with the diameter of 8-10cm in the packing layer 7, a water film layer is formed around the packing, a large amount of water drops generated by spraying fall on the water surface, meanwhile, intensive water bubbles and water splash are generated, a water curtain with the height of more than 100cm is formed, a water layer with the height of 3-5cm is always kept above the packing through pressure adjustment on gas and water, when the smoke passes through the packing layer 7, the smoke passes through gaps and the environment of the water film layer, when the gas containing fog and dust passes through the packing layer, the water layer and the water curtain at the speed of 3-5 m/s and is sprayed, the generated inertia impact effect and the adsorption effect adsorb, capture and coalesce fog drops, particles, colored smoke and rain, coagulable substances and micron-sized particles in the smoke, and the fog drops, the particles, the colored smoke and rain, the coagulable substances and the micron-sized particles are collected in water, so that the effects of demisting and dedusting are realized.
The equipment and the method have strong adaptability, and are suitable for treating various high-temperature complicated industrial flue gases containing oil, water, salt, dust, harmful gas and the like; can efficiently remove a plurality of pollutants in a synergistic way: colored rain, dust, secondary particulate matters (PM2.5) and haze control; and the application is wide: has good momentum transfer characteristic and excellent heat transfer and mass transfer efficiency, and can be applied to cooling of high-temperature gas, gas absorption and used as a reactor to improve the reaction rate.
the technical solutions provided by the embodiments of the present invention are described in detail above, and the principles and embodiments of the present invention are explained herein by using specific examples, and the descriptions of the embodiments are only used to help understanding the principles of the embodiments of the present invention; meanwhile, the detailed description and the application scope of the embodiments according to the present invention may be changed by those skilled in the art, and in summary, the present disclosure should not be construed as limiting the present invention.
Claims (10)
1. The utility model provides a wet dedusting and demisting device which is characterized in that adopts hierarchical sectional type flue gas purification treatment process, includes:
A tower body;
The chimney (1) is arranged at the top end of the tower body and communicated with the tower body;
the air inlet flue (2) is used for allowing the flue gas to be treated to enter the wet dedusting and demisting device;
A primary processing system and a secondary processing system;
the flue gas to be treated sequentially enters a primary treatment system, a secondary treatment system and the treatment system to realize dedusting and demisting effects, the flue gas to be treated enters the primary treatment system to achieve the adsorption, coalescence and sedimentation of water, water mist and dust particles, the water and dust fall on the bottom of the tower body under the action of attraction force to be settled, the dust is changed into sludge to sink into the bottom, and the clean water is recycled; the flue gas to be treated enters a secondary treatment system to adsorb, capture and coagulate fog drops, particulate matters, colored smoke and rain, coagulable substances and micron-sized particulate matters in the flue gas, and the flue gas is collected in water.
2. The wet dedusting and demisting apparatus as set forth in claim 1, wherein: the primary treatment system comprises a scrubber (3) and a high-pressure water pump, wherein the scrubber (3) is arranged in the air inlet flue (2), the high-pressure water pump raises the water pressure to 7000pa to enable the sprayed water to be in an atomized state and enter the scrubber (3) together with the treated flue gas to carry out flue gas washing.
3. a wet dedusting and demisting apparatus as set forth in claim 2, wherein: the washer (3) comprises a plurality of washing pipes (4) and a plurality of high-pressure washing spray heads (5) which are arranged on one side of the washing pipes (4) and correspond to the washing pipes.
4. The wet dedusting and demisting apparatus as set forth in claim 1, wherein: the secondary treatment system comprises a baffle plate (6), a packing layer (7) and a spraying layer (8) which are sequentially overlapped at intervals from bottom to top in the middle of the tower body, the flue gas washed by the primary treatment system enters the tower body, the flue gas containing fog drops and particulate matters is rectified and uniformly distributed through the baffle plate (6) by multi-stage treatment of the baffle plate (6), the packing layer (7) and the spraying layer (8), liquid drops are adsorbed on the surface of the baffle plate (6) to realize the trapping effect, a large amount of water drops generated by spraying fall on the packing layer (7) and flow downwards along the periphery of the packing layer (7), a water film layer is formed around the packing, and the gas passes through the packing layer (7) and the water film layer and then is sprayed by the spraying layer (8) to generate the inertia impact action and the adsorption action, the fog drops, particles, colored smoke rain, coagulable substances and micron-sized particles in the smoke can be adsorbed, collected and coagulated and collected in water.
5. The wet dedusting and demisting apparatus as set forth in claim 4, wherein: the baffle plate (6) is a corrugated plate.
6. The wet dedusting and demisting apparatus as set forth in claim 4, wherein: the filler of the filler layer (7) is oval, the diameter of the filler layer is 8-10cm, when smoke passes through the filler layer (7), the smoke passes through gaps of the filler and a water film layer, and a water layer with the height of 3-5cm is kept above the filler of the filler layer (7) through pressure adjustment of water and water to form an upper water level (9) of the filler.
7. The wet dedusting and demisting apparatus as set forth in claim 6, wherein: the spraying layer (8) can generate dense bubbles and splash in the working process, a water curtain (10) higher than 100cm is formed, and the water curtain (10) is connected with the upper water level (9) of the filler.
8. the wet dedusting and demisting apparatus as set forth in claim 7, wherein: a foam layer (11) is arranged between the upper water level (9) of the filler and the water curtain (10).
9. The wet dedusting and demisting apparatus as set forth in claim 1, wherein: and a circulating water pool (12) is arranged at the bottom of the tower body.
10. a wet dedusting and demisting method for the wet dedusting and demisting device according to any one of claims 1 to 7, which adopts a multi-stage sectional flue gas purification treatment process, and comprises the following steps:
Firstly, the flue gas to be treated enters a primary treatment system through an air inlet flue (2);
Step two, primary treatment is carried out: the method comprises the following steps of flue gas washing, namely, raising the water pressure to 7000pa by using a high-pressure water pump to enable water sprayed by a high-pressure washing spray head (5) to be in an atomized state, enabling the water to enter a washing pipe (4) together with treated flue gas to carry out flue gas washing, fully condensing and fusing water, mist and dust through pressure control and a flow field of liquid to form dust in water, so that the water, the mist and dust particles are effectively adsorbed, coalesced and settled, and the purpose of simultaneously removing the dust and the mist is achieved;
Step three, performing secondary treatment: the washed smoke enters the tower body, the smoke containing fog drops and particles is treated in multiple stages through the baffle plate (6), the packing layer (7) and the spraying layer (8), when the smoke permeates through the baffle plate (6), the smoke is rectified and uniformly distributed, liquid drops are adsorbed on the surface of the baffle plate (6) due to the inertia impact action generated by the upward flowing of the gas, the trapping effect is realized, a large amount of water drops generated by spraying fall on the packing layer (7), the water drops flow downwards along the periphery of the packing with the diameter of 8-10cm in the packing layer (7), a water film layer is formed around the packing, dense water bubbles and water splash are generated when a large amount of water drops on the water surface by spraying, a water curtain (10) with the height of 100cm is formed, a water layer with the height of 3-5cm is always kept above the packing to form a seasoning upper water level (9) through the pressure adjustment of water and water, when the smoke passes through the packing layer (7), the smoke passes through the gaps of the packing and the water film layer, when the gas containing fog and dust passes through the packing layer, the water layer and the water curtain at the speed of 3-5 m/s and is subjected to spraying treatment, the generated inertia impact effect and adsorption effect adsorb, capture and coalesce fog drops, particles, colored smoke and rain, coagulable substances and micron-sized particles in the smoke, and the smoke is collected in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833910.0A CN110548359A (en) | 2019-09-04 | 2019-09-04 | Wet dust removal demisting device and wet dust removal demisting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910833910.0A CN110548359A (en) | 2019-09-04 | 2019-09-04 | Wet dust removal demisting device and wet dust removal demisting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110548359A true CN110548359A (en) | 2019-12-10 |
Family
ID=68738997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910833910.0A Pending CN110548359A (en) | 2019-09-04 | 2019-09-04 | Wet dust removal demisting device and wet dust removal demisting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110548359A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617153A (en) * | 2021-08-25 | 2021-11-09 | 北京中航天业科技有限公司 | High-efficient phase transition dust removal defogging system |
| CN115165510A (en) * | 2022-09-07 | 2022-10-11 | 苏州盛仕瑆分析技术有限公司 | Sample gas sampling analysis system arranged in front of electrical tar precipitator and processing method thereof |
| TWI814205B (en) * | 2022-01-11 | 2023-09-01 | 奇鼎科技股份有限公司 | Water washing filter device with temperature control device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605057Y (en) * | 2003-02-24 | 2004-03-03 | 赵雄飞 | Dust-removing and deodorizing apparatus for organic fertilizer production |
| CN204841333U (en) * | 2015-07-16 | 2015-12-09 | 安徽省洲宇环保设备有限公司 | Novel UV photodissociation foul gas multiple -effect clearing machine |
| CN208943751U (en) * | 2018-09-04 | 2019-06-07 | 河南邦蓝环保科技有限公司 | A kind of spray column for exhaust-gas treatment |
| CN109966879A (en) * | 2017-12-28 | 2019-07-05 | 上海华畅环保设备发展有限公司 | The method and apparatus of sulphur tail gas after incineration sodium method deep desulfuration control alkali |
| CN110052089A (en) * | 2019-04-01 | 2019-07-26 | 浙江菲达环保科技股份有限公司 | A kind of Hg, SO3The sack cleaner of cooperation-removal |
-
2019
- 2019-09-04 CN CN201910833910.0A patent/CN110548359A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2605057Y (en) * | 2003-02-24 | 2004-03-03 | 赵雄飞 | Dust-removing and deodorizing apparatus for organic fertilizer production |
| CN204841333U (en) * | 2015-07-16 | 2015-12-09 | 安徽省洲宇环保设备有限公司 | Novel UV photodissociation foul gas multiple -effect clearing machine |
| CN109966879A (en) * | 2017-12-28 | 2019-07-05 | 上海华畅环保设备发展有限公司 | The method and apparatus of sulphur tail gas after incineration sodium method deep desulfuration control alkali |
| CN208943751U (en) * | 2018-09-04 | 2019-06-07 | 河南邦蓝环保科技有限公司 | A kind of spray column for exhaust-gas treatment |
| CN110052089A (en) * | 2019-04-01 | 2019-07-26 | 浙江菲达环保科技股份有限公司 | A kind of Hg, SO3The sack cleaner of cooperation-removal |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113617153A (en) * | 2021-08-25 | 2021-11-09 | 北京中航天业科技有限公司 | High-efficient phase transition dust removal defogging system |
| TWI814205B (en) * | 2022-01-11 | 2023-09-01 | 奇鼎科技股份有限公司 | Water washing filter device with temperature control device |
| CN115165510A (en) * | 2022-09-07 | 2022-10-11 | 苏州盛仕瑆分析技术有限公司 | Sample gas sampling analysis system arranged in front of electrical tar precipitator and processing method thereof |
| CN115165510B (en) * | 2022-09-07 | 2022-11-22 | 苏州盛仕瑆分析技术有限公司 | Sample gas sampling analysis system arranged in front of electrical tar precipitator and processing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110548359A (en) | Wet dust removal demisting device and wet dust removal demisting method thereof | |
| CN107789970B (en) | Box air purifier | |
| CN102872671B (en) | Asphalt waste gas purifying method and device | |
| CN205979957U (en) | Combined type oil smoke clarification plant | |
| CN103480223A (en) | Wet-type fume purification system and purification method for high smoke speed PM2.5 and pollutant | |
| CN205424963U (en) | Boiler flue gas purification system | |
| CN111921323A (en) | Oil fume purification treatment method for industrial oil quenching | |
| CN106268178A (en) | A kind of dust removal mist integrated apparatus for wet desulfurization system and method | |
| CN105561726B (en) | One kind carrying acting type wet static dedusting demister | |
| CN203447927U (en) | Industrial waste gas purification equipment | |
| CN110038372B (en) | Wet purification and dust removal device capable of realizing ultralow emission of particulate matters | |
| CN202146708U (en) | Flue gas desulfurization system | |
| CN107126818A (en) | A kind of nanometer dust absorption treating device and method | |
| CN2305242Y (en) | Wet composite smoke purifier for boiler | |
| CN202860388U (en) | Multi-purpose serial bubble type smoke treating device | |
| CN1418719A (en) | Apparatus for purifying cooking-fume | |
| CN2703966Y (en) | Wet smoke efficient devulcanizing dust-controlling apparatus suitable to multiple devulcanizing agents | |
| CN210584422U (en) | Reclaimed rubber waste gas treatment device | |
| CN213160215U (en) | Plastic waste gas treatment system | |
| CN205164410U (en) | Wet flue gas desulfurization dust removal combination tower | |
| CN205055736U (en) | Device of pollutant washing and heat dissipation matter in gas | |
| CN211726167U (en) | Coal tar hydrogenation tar sediment cooling VOCs gas cleaning device | |
| CN211245969U (en) | Novel energy-concerving and environment-protective desulfurization is removed dust device | |
| CN207708759U (en) | A kind of mechanical processing generates the governing system of mist of oil | |
| CN211246083U (en) | Waste gas treatment equipment with waste gas-liquid separation and electrostatic dust removal effects |
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 |
Application publication date: 20191210 |
|
| RJ01 | Rejection of invention patent application after publication |