CN107252593B - High temperature coal smoke water bath dust removing system - Google Patents
High temperature coal smoke water bath dust removing system Download PDFInfo
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- CN107252593B CN107252593B CN201710672098.9A CN201710672098A CN107252593B CN 107252593 B CN107252593 B CN 107252593B CN 201710672098 A CN201710672098 A CN 201710672098A CN 107252593 B CN107252593 B CN 107252593B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/16—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by the winding course of the gas stream, the centrifugal forces being generated solely or partly by mechanical means, e.g. fixed swirl vanes
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- 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
- B01D50/20—Combinations of devices covered by groups B01D45/00 and B01D46/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/40—Acidic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/38—Removing components of undefined structure
- B01D53/42—Basic components
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
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- Environmental & Geological Engineering (AREA)
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Gas Separation By Absorption (AREA)
Abstract
The invention discloses a kind of high temperature coal smoke water bath dust removing systems, it include: cyclone dust collectors, it includes the cylinder being arranged from top to bottom, cone and ash bucket, and the cylinder lateral wall is equipped with coal smoke entrance, top is exported equipped with coal smoke, and the cone outer wall is equipped with the first water pipe；Except acid tower, washing tower (for removing CO2) is removed；Drying tower.The present invention can effectively remove micron order solid dust (such as sand dust, coal dust), viscous fluid micelle (such as oil smoke, gray haze), soluble gas (such as hydrogen sulfide, nitrogen oxides, hydrogen chloride) in coal smoke, the sufficiently heat of exchange high temperature coal smoke itself, the thermal energy of high temperature coal smoke is utilized to greatest extent, reach good dust removing effects, and the gas after dedusting is dried, it economizes on resources, it is environmentally friendly.
Description
Technical field
The present invention relates to technical field of air purification.It is more particularly related to a kind of high temperature coal smoke water bath dust-removing
System.
Background technique
The high temperature coal smoke of coal-burning power plant's discharge contain a large amount of insoluble dust, soot dust granule, solubility gas (such as sulphur
Change hydrogen, nitrogen oxides, hydrogen chloride etc.), if these substances into atmosphere, not only can seriously pollute air, but also these substances
The internal of people can be entered by different approach, some directly generates harm, and there are also cumulative effect, the more serious danger of meeting for some
The health of victimization results in waste of resources if these heats are often ignored in addition, high temperature coal smoke is directly discharged.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide a kind of high temperature coal smoke water bath dust removing systems, can effectively remove in coal smoke
Micron order solid dust (such as sand dust, coal dust), viscous fluid micelle (such as oil smoke, gray haze), soluble gas is (as vulcanized
Hydrogen, nitrogen oxides, hydrogen chloride etc.), the heat of high temperature coal smoke itself is sufficiently exchanged, utilizes the heat of high temperature coal smoke to greatest extent
Can, reach good dust removing effects, and the gas after dedusting is dried, economizes on resources, it is environmentally friendly.
In order to realize these purposes and other advantages according to the present invention, a kind of high temperature coal smoke water bath dust-removing system is provided
System, comprising:
Cyclone dust collectors comprising cylinder, cone and the ash bucket being arranged from top to bottom, the cylinder lateral wall are equipped with coal smoke
Entrance, top are exported equipped with coal smoke, and the cone outer wall is equipped with the first water pipe；
Except acid tower, top is equipped with the first catch box, it is described except be respectively equipped with from top to bottom in acid tower first level partition,
Second horizontal baffle, third horizontal baffle, the first level partition are fixed by the bracket in the deacidification inner wall of tower, and with institute
It states deacidification inner wall of tower and forms circular passage, the first level partition is equipped with the first liquid separation component comprising is located at described the
The first separating box above one horizontal baffle, multiple deacidification nozzle layers below the first level partition, described first
Separating box is connected to first catch box, multiple deacidification nozzle layers from the center of circle to circle distribution, and including be located at outermost two
First leaching nozzle for liquid of layer and nozzle for liquid is drenched positioned at the second of other layers of inside, outermost one layer of first leaching nozzle for liquid is to described
The lower end of the edge certain distance of first level partition, the first leaching nozzle for liquid of any layer is connected with an annular the being vertically arranged
One baffle upper plate, second horizontal baffle, third horizontal baffle sealing are inscribed in the deacidification inner wall of tower, the third
First annular notch is formed in the middle part of horizontal baffle, sealing is fixed with multiple first diversion pipes on second horizontal baffle, described
First diversion pipe is vertically arranged, up and down and passes through the first annular notch, and first diversion pipe and one the
Two leaching nozzle for liquid are oppositely arranged, and second horizontal baffle upwardly extends annular first chin spoiler, the described first lower water conservancy diversion
Plate is located between two the first baffle upper plates, and free end is staggered, second horizontal baffle and the third level every
Side wall between plate is equipped with multiple first atomizers, and the deacidification tower bottom is contained with lye, the outer wall except acid tower
It is equipped with the second water pipe, second water pipe, first catch box, first atomizer connection are described to remove acid tower position
The first gas outlet is equipped in lye liquid level to have the first air inlet, be located at first level partition or more；
Except washing tower (for removing CO2), top is equipped with the second catch box, it is described except be respectively equipped with from top to bottom in washing tower (for removing CO2) the 4th horizontal baffle,
5th horizontal baffle, the 6th horizontal baffle, the 4th horizontal baffle are fixed by the bracket in described except washing tower (for removing CO2) inner wall, and with institute
It states except washing tower (for removing CO2) inner wall forms circular passage, the 4th horizontal baffle is equipped with the second liquid separation component comprising is located at described the
The second separating box above four horizontal baffles, multiple below the 4th horizontal baffle remove alkali nozzle layer, and described second
Separating box is connected to second catch box, multiple except alkali nozzle layer is from the center of circle to circle distribution, and including being located at outermost two
The third leaching nozzle for liquid of layer and nozzle for liquid is drenched positioned at the 4th of other layers of inside, outermost one layer of third drenches nozzle for liquid to described
The lower end of the edge certain distance of 4th horizontal baffle, the third leaching nozzle for liquid of any layer is connected with an annular the being vertically arranged
Two baffle upper plates, the 5th horizontal baffle, the 6th horizontal baffle sealing be inscribed in it is described except washing tower (for removing CO2) inner wall, the described 6th
The second annular notch is formed in the middle part of horizontal baffle, sealing is fixed with multiple second diversion pipes on the 5th horizontal baffle, described
Second diversion pipe is vertically arranged, up and down and passes through the described second annular notch, and second diversion pipe and one the
Four leaching nozzle for liquid are oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, the described second lower water conservancy diversion
Plate is located between two the second baffle upper plates, and free end is staggered, the 5th horizontal baffle and it is described 6th it is horizontal every
Side wall between plate is equipped with multiple second atomizers, described except washing tower (for removing CO2) bottom is contained with acid solution, the outer wall except washing tower (for removing CO2)
It is equipped with third water pipe, the third water pipe, second catch box, second atomizer connection are described to remove washing tower (for removing CO2) position
The second gas outlet is equipped in acid solution liquid level to have the second air inlet, be located at the 4th horizontal baffle or more；
Drying tower comprising horizontally disposed waterproof ventilated membrane, multiple drying layers and multilayer condensate net from top to bottom,
The drying layer includes horizontally disposed supporting network, the water-permeable brick group being arranged in above supporting network, the water-permeable brick group include with
The muti-piece water-permeable brick of the form of row and column, adjacent two pieces of water-permeable bricks contact are not overlapped but, and the condensate net offers multiple through-holes,
The through-hole of multilayer condensate net is staggered, and the lower section that the drying tower is located at multilayer condensate net is equipped with third air inlet, is located at and prevents
The top of water ventilated membrane is equipped with third gas outlet, and the outer wall of the drying tower is equipped with the 4th water pipe；
Wherein, the coal smoke outlet, first air inlet, first gas outlet, second air inlet, described
Two gas outlets, the third air inlet are sequentially communicated, and form gas flow paths；First water pipe, second water pipe, institute
Third water pipe, the 4th water pipe connection are stated, water is formed and circulates path.
Preferably, the high temperature coal smoke water bath dust removing system, the cyclone dust collectors are internally located at the coal smoke and enter
Mouth, the coal smoke are additionally provided with horizontal strainer between outlet.
Preferably, the high temperature coal smoke water bath dust removing system, first water pipe, second water pipe, described
Three water pipes, the 4th water pipe connecting pipeline be equipped with water pump.
Preferably, the high temperature coal smoke water bath dust removing system, the first level partition is to described except between acid tower
It is described except the 1/8 of acid tower internal diameter away from being not less than；4th horizontal baffle to the spacing except washing tower (for removing CO2) removes alkali not less than described
The 1/8 of tower internal diameter.
Preferably, the high temperature coal smoke water bath dust removing system, the water-permeable brick are waveform.
Preferably, the high temperature coal smoke water bath dust removing system, the acid solution are that the sulfuric acid that mass fraction is 8% is water-soluble
Liquid, the lye are the sodium hydrate aqueous solution that mass fraction is 8%.
Preferably, the high temperature coal smoke water bath dust removing system, first catch box is equipped with alkali and launches entrance, described
Second catch box is equipped with acid and launches entrance.
The present invention is include at least the following beneficial effects:
The first, the present invention includes the cyclone dust collectors set gradually, removes acid tower, except washing tower (for removing CO2), drying tower, can successively be filtered out
Bulky grain solid dust, alkaline gas, sour gas, water vapour, the water pipe that is set by ring absorb the heat of high temperature coal smoke to removing
Acid tower removes washing tower (for removing CO2), drying tower preheating, increases solubility, reduces the dosage of washing water, except acid tower, except the multiple water conservancy diversion of washing tower (for removing CO2) setting
Pipe forms current path, and gaseous mixture comes into full contact with water mist or lye (acid solution), is then passed through cyclic annular water curtain layer by layer, increases disturbance
It spends, three stages water removal in drying tower, the water recovery in gaseous mixture that condensate net passes through is at water droplet, purified gaseous mixture
Body is pierced by by the gap and gap of water-permeable brick, water droplet is absorbed, and waterproof ventilated membrane reduces the water content of gaseous mixture；
The second, in application process, high temperature coal smoke is entered inside cyclone dust collectors the present invention by coal smoke entrance, is tangentially drawn
Enter to form helical airflow, the big bulky grain solid dust of density is thrown toward ash bucket under the action of the centrifugal force, and the air-flow of rotation exists
Cone contract is upwardly formed secondary vortex flow and enters through coal smoke outlet except acid tower, be passed into lye liquid level or less to center flow
It is shunted after cleaning, a part of gaseous mixture is entered the sky between the second horizontal baffle and third horizontal baffle by first annular notch
Between, the first diversion pipe lower end is returned to after abundant enwrapped granule is contacted with water mist, another part gaseous mixture is directly entered the first water conservancy diversion
Pipe comes into full contact with lye, a certain amount of lye of first level partition accumulation positioned at the top, under the first baffle upper plate, first
Multiple fluid-tight film layers that deflector and the lye of accumulation are formed, gaseous mixture pass through water curtain layer by layer and enter except washing tower (for removing CO2), are passed into acid solution
Shunted after being cleaned below liquid level, a part of gaseous mixture by the second annular notch enter the 5th horizontal baffle and the 6th horizontal baffle it
Between space, return to the second diversion pipe lower end after abundant enwrapped granule is contacted with water mist, another part gaseous mixture is directly entered
Two diversion pipes come into full contact with acid solution, a certain amount of acid solution of the 4th horizontal baffle accumulation positioned at the top, the second baffle upper plate,
Multiple fluid-tight film layers that second chin spoiler is formed in the acid solution of accumulation, gaseous mixture passes through water curtain layer by layer and enters drying tower, under
It is supreme to be exported after condensate net condenses droplet, water-permeable brick absorbs water droplet, waterproof ventilated membrane filters out residual moisture；
The setting removal of third, horizontal strainer is raised the lesser larger-size solid waste of density that air-flow is swept along
Object；The setting of water pump ensures the flowing of recirculated water；The size setting of first level partition, the 4th horizontal baffle is convenient for reserved mixing
Gas enters enough accommodating spaces of the first gas outlet of top, the second gas outlet；The contact surface of waveform water-permeable brick and water droplet
Product is big；8% aqueous sulfuric acid, 8% sodium hydrate aqueous solution it is good to the gas washing effect of alkaline gas and sour gas, and again
Tower body will not be corroded；The setting of alkali dispensing port, sour dispensing port is convenient for supplement alkali, acid, it is ensured that lye, acid solution concentration be always maintained at
Balance.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram except acid tower of the invention.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " setting " shall be understood in a broad sense, for example, it may be being fixedly linked, being arranged, may be a detachable connection, is arranged or one
It connects to body, be arranged.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
Concrete meaning.Term " transverse direction ", " longitudinal direction ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
It for the convenience of describing the present invention and simplifying the description, is not that the device of indication or suggestion meaning or element must have specific side
Position is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.
As shown in Figure 1, the present invention provides a kind of high temperature coal smoke water bath dust removing system, comprising:
Cyclone dust collectors 1 comprising cylinder, cone and the ash bucket being arranged from top to bottom, the cylinder lateral wall are equipped with coal
Cigarette entrance, top are exported equipped with coal smoke, and the cone outer wall is equipped with the first water pipe 11；
Except acid tower 2, top is equipped with the first catch box 201, and described remove in acid tower 2 is respectively equipped with first level from top to bottom
Partition 202, the second horizontal baffle 203, third horizontal baffle 204, the first level partition 202 are fixed by the bracket in described
Except 2 inner wall of acid tower, and with described except 2 inner wall of acid tower forms circular passage, the first level partition 202 is equipped with the first liquid separation
Component comprising the first separating box 205 above the first level partition 202 is located at the first level partition 202
Multiple deacidification nozzle layers of lower section, first separating box 205 are connected to first catch box 201, multiple deacidification nozzle layers
From the center of circle to circle distribution, and including the first leaching nozzle for liquid 206 positioned at two layers of outermost and positioned at the of other layers of inside
Two leaching nozzle for liquid 207, the edge certain distance of outermost one layer of first leaching nozzle for liquid 206 to the first level partition 202 are any
The lower end of first leaching nozzle for liquid 206 of layer is connected with first baffle upper plate of annular 208 being vertically arranged, second level every
Plate 203, the third horizontal baffle 204 sealing are inscribed in described except 2 inner wall of acid tower, the 204 middle part shape of third horizontal baffle
At first annular notch, sealing is fixed with multiple first diversion pipes 209, first water conservancy diversion on second horizontal baffle 203
Pipe 209 is vertically arranged, up and down and passes through the first annular notch, and first diversion pipe 209 and one second
Leaching nozzle for liquid 207 is oppositely arranged, and second horizontal baffle 203 upwardly extends annular first chin spoiler 210, and described first
Chin spoiler 210 is located between two the first baffle upper plates 208, and free end is staggered, second horizontal baffle 203 with
Side wall between the third horizontal baffle 204 is equipped with multiple first atomizers 211, described except 2 bottom of acid tower is contained with
Lye, the outer wall except acid tower 2 are equipped with the second water pipe 212, second water pipe 212, first catch box 201, institute
The connection of the first atomizer 211 is stated, it is described except acid tower 2 is located at lye liquid level to have the first air inlet 214, be located at the first water
202 or more flat partition board is equipped with the first gas outlet 215；
Except washing tower (for removing CO2) 3, top is equipped with the second catch box, it is described except be respectively equipped with from top to bottom in washing tower (for removing CO2) 3 the 4th it is horizontal every
Plate, the 5th horizontal baffle, the 6th horizontal baffle, the 4th horizontal baffle are fixed by the bracket in described except 3 inner wall of washing tower (for removing CO2), and
With described except 3 inner wall of washing tower (for removing CO2) forms circular passage, the 4th horizontal baffle is equipped with the second liquid separation component comprising is located at institute
The second separating box above the 4th horizontal baffle, multiple except alkali nozzle layer below the 4th horizontal baffle is stated, it is described
Second separating box is connected to second catch box, multiple except alkali nozzle layer is from the center of circle to circle distribution and outermost including being located at
The third leaching nozzle for liquid and drench nozzle for liquid positioned at the 4th of other layers of inside that two layers of side, outermost one layer of third leaching nozzle for liquid is extremely
The lower end of the edge certain distance of 4th horizontal baffle, the third leaching nozzle for liquid of any layer is connected with a ring being vertically arranged
The second baffle upper plate of shape, the 5th horizontal baffle, the 6th horizontal baffle sealing are inscribed in described except 3 inner wall of washing tower (for removing CO2), institute
It states and forms the second annular notch in the middle part of the 6th horizontal baffle, sealing is fixed with multiple second water conservancy diversion on the 5th horizontal baffle
Pipe, second diversion pipe vertically be arranged, up and down and passes through the described second annular notch, and second diversion pipe and
One the 4th leaching nozzle for liquid is oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, and described second
Chin spoiler is located between two the second baffle upper plates, and free end is staggered, the 5th horizontal baffle and the described 6th
Side wall between horizontal baffle is equipped with multiple second atomizers, described except 3 bottom of washing tower (for removing CO2) is contained with acid solution, described to remove washing tower (for removing CO2)
3 outer wall is equipped with third water pipe, and the third water pipe, second catch box, second atomizer connection are described to remove
Washing tower (for removing CO2) 3 is located at acid solution liquid level and is equipped with the second gas outlet to have the second air inlet, be located at the 4th horizontal baffle or more；
Drying tower 4 comprising horizontally disposed waterproof ventilated membrane 41, multiple drying layers 42 and multilayer are solidifying from top to bottom
The network of rivers 43, the drying layer 42 include horizontally disposed supporting network, the water-permeable brick group being arranged in above supporting network, the water-permeable brick
Group includes muti-piece water-permeable brick in terms of rows and columns, and adjacent two pieces of water-permeable bricks contact is not overlapped but, and the condensate net 43 opens up
There are multiple through-holes, the through-hole of multilayer condensate net 43 is staggered, and the lower section that the drying tower 4 is located at multilayer condensate net 43 is equipped with the
Three air inlets are equipped with third gas outlet positioned at the top of waterproof ventilated membrane 41, and the outer wall of the drying tower 4 is equipped with the 4th water pipe
44；
Wherein, the coal smoke outlet, first air inlet 214, first gas outlet 215, second air inlet,
Second gas outlet, the third air inlet are sequentially communicated, and form gas flow paths；First water pipe 11, described
Two water pipes 212, the third water pipe, the 4th water pipe 44 connection, form water and circulate path.
In the above-mentioned technical solutions, including set gradually cyclone dust collectors 1, except acid tower 2, except washing tower (for removing CO2) 3, drying tower 4, energy
Enough successively to filter out bulky grain solid dust, alkaline gas, sour gas, water vapour, the arrow in Fig. 1 is designated as airflow direction,
The heat for absorbing high temperature coal smoke by the water pipe that ring is set increases solubility, reduces to removing acid tower 2, removing washing tower (for removing CO2) 3, the preheating of drying tower 4
The dosage of washing water except acid tower 2 (as shown in Fig. 2, the structure except washing tower (for removing CO2) 3 is similar, therefore repeating label and amplification are not shown), removes alkali
Tower 3 is arranged multiple diversion pipes and forms current path, and gaseous mixture comes into full contact with water mist or lye (acid solution), is then passed through cyclic annular layer by layer
Water curtain increases disturbance degree, three stages water removal in drying tower 4, the water recovery Cheng Shui in the gaseous mixture that condensate net 43 passes through
Drop, purified mixed gas is pierced by by the gap and gap of water-permeable brick, water droplet is absorbed, and waterproof ventilated membrane 41 reduces gaseous mixture
Water content.
In application process, high temperature coal smoke is entered inside cyclone dust collectors 1 by coal smoke entrance, is tangentially introduced and is formed spiral
Shape air-flow, the big bulky grain solid dust of density are thrown toward ash bucket under the action of the centrifugal force, and the air-flow of rotation is in cone contract
To center flow, it is upwardly formed secondary vortex flow and enters through coal smoke outlet except acid tower 2, divide after being passed into lye liquid level or less cleaning
Stream, a part of gaseous mixture enter the space between the second horizontal baffle 203 and third horizontal baffle 204 by first annular notch,
209 lower end of the first diversion pipe is returned to after contacting abundant enwrapped granule with water mist, another part gaseous mixture is directly entered the first water conservancy diversion
Pipe 209 comes into full contact with lye, and the first level partition 202 positioned at the top accumulates a certain amount of lye, the first baffle upper plate
208, multiple fluid-tight film layers that the first chin spoiler 210 and the lye of accumulation are formed, gaseous mixture enters across water curtain layer by layer removes alkali
Tower 3 shunts after being passed into acid solution liquid level or less cleaning, a part of gaseous mixture by the second annular notch enter the 5th horizontal baffle with
Space between 6th horizontal baffle returns to the second diversion pipe lower end after contacting abundant enwrapped granule with water mist, and another part is mixed
Conjunction gas is directly entered the second diversion pipe and comes into full contact with acid solution, and the 4th horizontal baffle positioned at the top accumulates a certain amount of acid
Liquid, multiple fluid-tight film layers that the second baffle upper plate, the second chin spoiler are formed in the acid solution of accumulation, gaseous mixture pass through water curtain layer by layer
Into drying tower 4, residual water is filtered out by condensate net condensation droplet, water-permeable brick absorption water droplet, waterproof ventilated membrane 41 from bottom to top
It is exported after point.
In another technical solution, the high temperature coal smoke water bath dust removing system, the cyclone dust collectors 1 are internally located at
Horizontal strainer 12 is additionally provided between the coal smoke entrance, coal smoke outlet, it is lesser that removal is raised the density that air-flow is swept along
Larger-size solid waste.
In another technical solution, the high temperature coal smoke water bath dust removing system, first water pipe 11, described second
Water pipe 212, the third water pipe, the 4th water pipe 44 connecting pipeline be equipped with water pump (not shown), it is ensured that circulation
The flowing of water.
In another technical solution, the high temperature coal smoke water bath dust removing system, the first level partition 202 to institute
It states except the spacing of acid tower 2 removes the 1/8 of 2 internal diameter of acid tower not less than described；4th horizontal baffle is to the spacing except washing tower (for removing CO2) 3
Not less than described except the 1/8 of 3 internal diameter of washing tower (for removing CO2), enter the first gas outlet 215 of top, the second gas outlet convenient for reserving gaseous mixture
Enough accommodating spaces.
In another technical solution, the high temperature coal smoke water bath dust removing system, the water-permeable brick is waveform, with water
The contact area of drop is big.
In another technical solution, the high temperature coal smoke water bath dust removing system, the acid solution is that mass fraction is 8%
Aqueous sulfuric acid, the lye is the sodium hydrate aqueous solution that mass fraction is 8%, is washed to alkaline gas and sour gas
Gas effect is good, and will not corrode tower body again.
In another technical solution, the high temperature coal smoke water bath dust removing system, first catch box 201 is equipped with alkali
Entrance 213 is launched, second catch box is equipped with acid and launches entrance, convenient for supplement alkali, acid, it is ensured that the concentration one of lye, acid solution
It is straight to keep balance.
Number of devices and treatment scale described herein are for simplifying explanation of the invention.To application of the invention,
Modifications and variations will be readily apparent to persons skilled in the art.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (7)
1. a kind of high temperature coal smoke water bath dust removing system characterized by comprising
Cyclone dust collectors comprising cylinder, cone and the ash bucket being arranged from top to bottom, the cylinder lateral wall enter equipped with coal smoke
Mouth, top are exported equipped with coal smoke, and the cone outer wall is equipped with the first water pipe；
Except acid tower, top is equipped with the first catch box, and described remove in acid tower is respectively equipped with first level partition, second from top to bottom
Horizontal baffle, third horizontal baffle, the first level partition are fixed by the bracket in the deacidification inner wall of tower, and remove with described
Acid tower inner wall forms circular passage, and the first level partition is equipped with the first liquid separation component comprising is located at first water
The first separating box above flat partition board, multiple deacidification nozzle layers below the first level partition, first liquid separation
Case is connected to first catch box, and multiple deacidification nozzle layers are from the center of circle to circle distribution, and including positioned at two layers of outermost
First drenches nozzle for liquid and drenches nozzle for liquid, outermost one layer of first leaching nozzle for liquid to described first positioned at the second of other layers of inside
The lower end of the edge certain distance of horizontal baffle, the first leaching nozzle for liquid of any layer is connected in the annular first that one is vertically arranged
Deflector, second horizontal baffle, third horizontal baffle sealing are inscribed in the deacidification inner wall of tower, and the third is horizontal
First annular notch is formed in the middle part of partition, is sealed on second horizontal baffle and is fixed with multiple first diversion pipes, described first
Diversion pipe is vertically arranged, up and down and passes through the first annular notch, and first diversion pipe is drenched with one second
Nozzle for liquid is oppositely arranged, and second horizontal baffle upwardly extends annular first chin spoiler, first chin spoiler position
Between two the first baffle upper plates, and free end is staggered, second horizontal baffle and the third horizontal baffle it
Between side wall be equipped with multiple first atomizers, the deacidification tower bottom is contained with lye, and the outer wall ring except acid tower is set
There is the second water pipe, second water pipe, first catch box, first atomizer connection are described except acid tower is located at alkali
Liquid liquid level is equipped with the first gas outlet to have the first air inlet, be located at first level partition or more；
Except washing tower (for removing CO2), top is equipped with the second catch box, and described remove in washing tower (for removing CO2) is respectively equipped with the 4th horizontal baffle, the 5th from top to bottom
Horizontal baffle, the 6th horizontal baffle, the 4th horizontal baffle is fixed by the bracket in described except washing tower (for removing CO2) inner wall, and is removed with described
Washing tower (for removing CO2) inner wall forms circular passage, and the 4th horizontal baffle is equipped with the second liquid separation component comprising is located at the 4th water
The second separating box above flat partition board, multiple below the 4th horizontal baffle remove alkali nozzle layer, second liquid separation
Case is connected to second catch box, multiple except alkali nozzle layer is from the center of circle to circle distribution, and including positioned at two layers of outermost
Third drenches nozzle for liquid and drenches nozzle for liquid positioned at the 4th of other layers of inside, and outermost one layer of third drenches nozzle for liquid to the described 4th
The lower end of the edge certain distance of horizontal baffle, the third leaching nozzle for liquid of any layer is connected in the annular second that one is vertically arranged
Deflector, the 5th horizontal baffle, the 6th horizontal baffle sealing are inscribed in described except washing tower (for removing CO2) inner wall, the described 6th is horizontal
The second annular notch is formed in the middle part of partition, is sealed on the 5th horizontal baffle and is fixed with multiple second diversion pipes, described second
Diversion pipe is vertically arranged, up and down and passes through the described second annular notch, and second diversion pipe is drenched with one the 4th
Nozzle for liquid is oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, second chin spoiler position
Between two the second baffle upper plates, and free end is staggered, the 5th horizontal baffle and the 6th horizontal baffle it
Between side wall be equipped with multiple second atomizers, described to be contained with acid solution except washing tower (for removing CO2) bottom, the outer wall ring except washing tower (for removing CO2) is set
There is third water pipe, the third water pipe, second catch box, second atomizer connection are described except washing tower (for removing CO2) is located at acid
Liquid liquid level is equipped with the second gas outlet to have the second air inlet, be located at the 4th horizontal baffle or more；
Drying tower comprising horizontally disposed waterproof ventilated membrane, multiple drying layers and multilayer condensate net from top to bottom, it is described
Drying layer includes horizontally disposed supporting network, the water-permeable brick group being arranged in above supporting network, the water-permeable brick group include with row and
The muti-piece water-permeable brick of the form of column, adjacent two pieces of water-permeable bricks contact are not overlapped but, and the condensate net offers multiple through-holes, multilayer
The through-hole of condensate net is staggered, the drying tower be located at multilayer condensate net lower section be equipped with third air inlet, be located at waterproof it is saturating
The top of air film is equipped with third gas outlet, and the outer wall of the drying tower is equipped with the 4th water pipe；
Wherein, the coal smoke outlet, first air inlet, first gas outlet, second air inlet, described second go out
Port, the third air inlet are sequentially communicated, and form gas flow paths；First water pipe, second water pipe, described
Three water pipes, the 4th water pipe connection, form water and circulate path.
2. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that the cyclone dust collectors are internally located at
The coal smoke entrance, the coal smoke are additionally provided with horizontal strainer between outlet.
3. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that first water pipe, described second
Water pipe, the third water pipe, the 4th water pipe connecting pipeline be equipped with water pump.
4. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that the first level partition is to described
Except the spacing of acid tower removes the 1/8 of acid tower internal diameter not less than described；4th horizontal baffle is to described except the spacing of washing tower (for removing CO2) is not small
In described except the 1/8 of washing tower (for removing CO2) internal diameter.
5. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that the water-permeable brick is waveform.
6. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that the acid solution is that mass fraction is
8% aqueous sulfuric acid, the lye are the sodium hydrate aqueous solution that mass fraction is 8%.
7. high temperature coal smoke water bath dust removing system as described in claim 1, which is characterized in that first catch box is thrown equipped with alkali
It is put into mouth, second catch box is equipped with acid and launches entrance.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672098.9A CN107252593B (en) | 2017-08-08 | 2017-08-08 | High temperature coal smoke water bath dust removing system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710672098.9A CN107252593B (en) | 2017-08-08 | 2017-08-08 | High temperature coal smoke water bath dust removing system |
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| CN107252593A CN107252593A (en) | 2017-10-17 |
| CN107252593B true CN107252593B (en) | 2019-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710672098.9A Active CN107252593B (en) | 2017-08-08 | 2017-08-08 | High temperature coal smoke water bath dust removing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109499338A (en) * | 2018-12-14 | 2019-03-22 | 中山市正清环保科技有限公司 | A kind of waste gas recovering device convenient for classification |
| CN111701401A (en) * | 2020-06-15 | 2020-09-25 | 苏州清溪环保科技有限公司 | Waste gas treatment equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07303814A (en) * | 1994-05-13 | 1995-11-21 | Ryoji Watabe | Dust collection device |
| CN205461582U (en) * | 2016-01-30 | 2016-08-17 | 江苏永超磁性材料有限公司 | Cold whirlwind dust collecting equipment of jacket water (J. W. ) |
| CN205518259U (en) * | 2016-04-28 | 2016-08-31 | 自贡市锋锐新材料有限公司 | Novel high -efficient carborundum powder grading system |
-
2017
- 2017-08-08 CN CN201710672098.9A patent/CN107252593B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07303814A (en) * | 1994-05-13 | 1995-11-21 | Ryoji Watabe | Dust collection device |
| CN205461582U (en) * | 2016-01-30 | 2016-08-17 | 江苏永超磁性材料有限公司 | Cold whirlwind dust collecting equipment of jacket water (J. W. ) |
| CN205518259U (en) * | 2016-04-28 | 2016-08-31 | 自贡市锋锐新材料有限公司 | Novel high -efficient carborundum powder grading system |
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