CN107252593A - High temperature coal smoke water bath dust removing system - Google Patents

High temperature coal smoke water bath dust removing system Download PDF

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Publication number
CN107252593A
CN107252593A CN201710672098.9A CN201710672098A CN107252593A CN 107252593 A CN107252593 A CN 107252593A CN 201710672098 A CN201710672098 A CN 201710672098A CN 107252593 A CN107252593 A CN 107252593A
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CN
China
Prior art keywords
horizontal baffle
tower
water
liquid
coal smoke
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Granted
Application number
CN201710672098.9A
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Chinese (zh)
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CN107252593B (en
Inventor
甘宜山
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JIANGSU LANDIAN ENVIRONMENTAL PROTION CO., LTD.
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甘宜山
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Priority to CN201710672098.9A priority Critical patent/CN107252593B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D45/00Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
    • B01D45/12Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
    • B01D45/16Separating 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/002Combinations of devices relating to groups B01D45/00 and B01D46/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/40Acidic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/38Removing components of undefined structure
    • B01D53/42Basic components
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D53/00Separation 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
    • B01D53/34Chemical or biological purification of waste gases
    • B01D53/74General processes for purification of waste gases; Apparatus or devices specially adapted therefor
    • B01D53/77Liquid phase processes
    • B01D53/78Liquid phase processes with gas-liquid contact

Abstract

The invention discloses a kind of high temperature coal smoke water bath dust removing system, including:Cyclone dust collectors, it includes cylinder, cone and the ash bucket set from top to bottom, and the cylinder lateral wall is exported provided with coal smoke entrance, top provided with coal smoke, and the cone outer wall is equipped with the first water pipe;Except acid tower, except washing tower (for removing CO2);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, fully exchange the heat of high temperature coal smoke itself, the heat energy of high temperature coal smoke is utilized to greatest extent, reach good dust removing effects, and the gas after dedusting is dried, economize on resources, it is environmentally friendly.

Description

High temperature coal smoke water bath dust removing system
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 technology
The high temperature coal smoke of coal-burning power plant's discharge contains substantial amounts of insoluble dust, soot dust granule, soluble gas (such as sulphur Change hydrogen, nitrogen oxides, hydrogen chloride etc.), not only can severe contamination air, and these materials if these materials are into air The internal of people can be entered by different approach, the direct generation harm having, what is had also has cumulative effect, the more serious danger of meeting The health of victimization, if in addition, high temperature coal smoke is directly discharged, these heats are often ignored, cause the wasting of resources.
The content of the invention
It is an object of the invention to solve at least the above, and provide the advantage that 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 system, it effectively can be removed 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 fully exchanged, the heat of high temperature coal smoke is utilized to greatest extent Can, good dust removing effects are reached, and the gas after dedusting is dried, economize on resources, it is environmentally friendly.
In order to realize that there is provided a kind of high temperature coal smoke water bath dust-removing system according to object of the present invention and further advantage System, including:
Cyclone dust collectors, it includes cylinder, cone and the ash bucket set from top to bottom, and the cylinder lateral wall is provided with coal smoke Entrance, top are exported provided with coal smoke, and the cone outer wall is equipped with the first water pipe;
Except acid tower, its top is provided with the first catch box, it is described except be respectively equipped with from top to bottom in acid tower first level dividing plate, Second horizontal baffle, the 3rd horizontal baffle, the first level dividing plate are fixed on the deacidification inner wall of tower by support, and with institute State deacidification inner wall of tower formation circular passage, the first level dividing plate is provided with first point of liquid component, and it is included positioned at described the The first separating box above one horizontal baffle, multiple deacidification nozzle layers below the first level dividing plate, described first Separating box is connected with first catch box, it is multiple deacidification nozzle layers from the center of circle to circle distribution, and including be located at outermost two The first of layer drenches nozzle for liquid and drenches nozzle for liquid positioned at the second of other layers of inner side, and one layer first of outermost drenches nozzle for liquid to described The edge certain distance of first level dividing plate, the lower end of the first pouring nozzle for liquid of any layer is connected with an annular the being vertically arranged One baffle upper plate, second horizontal baffle, the 3rd horizontal baffle sealing are inscribed in the deacidification inner wall of tower, the described 3rd Sealing on first annular breach, second horizontal baffle is formed in the middle part of horizontal baffle and is fixed with multiple first mozzles, it is described First mozzle is vertically set, up/down perforation and through the first annular breach, and first mozzle and one the Two pouring nozzle for liquid are oppositely arranged, and second horizontal baffle upwardly extends annular first chin spoiler, first time water conservancy diversion Plate is located between two the first baffle upper plates, and free end is staggered, second horizontal baffle and the 3rd level every Side wall between plate is provided with multiple first atomizers, and the deacidification tower bottom is contained with alkali lye, described except the outer wall of acid tower The second water pipe is equipped with, second water pipe, first catch box, first atomizer connection are described except acid tower position In alkali lye liquid level to have the first air inlet, more than first level dividing plate provided with the first gas outlet;
Except washing tower (for removing CO2), its top is provided 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 by support be fixed on it is described remove washing tower (for removing CO2) inwall, and with institute State except washing tower (for removing CO2) inwall formation circular passage, the 4th horizontal baffle is provided with second point of liquid component, and it is included positioned at described the The second separating box above four horizontal baffles, multiple below the 4th horizontal baffle remove alkali nozzle layer, described second Separating box is connected with second catch box, multiple except alkali nozzle layer is from the center of circle to circle distribution, and including positioned at outermost two The 3rd of layer drenches nozzle for liquid and drenches nozzle for liquid positioned at the 4th of other layers of inner side, and one layer the 3rd of outermost drenches nozzle for liquid to described The edge certain distance of 4th horizontal baffle, the lower end of the 3rd pouring 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 are inscribed in described except washing tower (for removing CO2) inwall, the described 6th Sealing on the second annular breach, the 5th horizontal baffle is formed in the middle part of horizontal baffle and is fixed with multiple second mozzles, it is described Second mozzle is vertically set, up/down perforation and through the described second annular breach, and second mozzle and one the Four pouring nozzle for liquid are oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, second time water conservancy diversion Plate is located between two the second baffle upper plates, and free end is staggered, the 5th horizontal baffle and the 6th level every Side wall between plate is provided with multiple second atomizers, described except washing tower (for removing CO2) bottom is contained with acid solution, described except the outer wall of washing tower (for removing CO2) The 3rd water pipe is equipped with, the 3rd water pipe, second catch box, second atomizer connection are described except washing tower (for removing CO2) position In acid solution liquid level to have the second air inlet, more than the 4th horizontal baffle provided with the second gas outlet;
Drying tower, it includes horizontally disposed waterproof ventilated membrane, multiple drying layers and multilayer from top to bottom and coagulates the network of rivers, The drying layer includes horizontally disposed supporting network, the water-permeable brick group that is arranged on above supporting network, the water-permeable brick group include with The polylith water-permeable brick of the form of row and column, adjacent two pieces of water-permeable bricks contact is not but overlapping, and the solidifying network of rivers offers multiple through holes, The through hole that multilayer coagulates the network of rivers is staggered, and the drying tower is located at multilayer and coagulates the lower section in the network of rivers provided with the 3rd air inlet, positioned at anti- The top of water ventilated membrane is provided with the 3rd 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 3rd air inlet are sequentially communicated, and form gas flow paths;First water pipe, second water pipe, institute The 3rd water pipe, the 4th water pipe connection are stated, water circulation flow path is formed.
Preferably, described high temperature coal smoke water bath dust removing system, the cyclone dust collectors are internally located at the coal smoke and entered Mouth, the coal smoke are additionally provided with horizontal filter screen between outlet.
Preferably, described high temperature coal smoke water bath dust removing system, first water pipe, second water pipe, described Three water pipes, the connecting pipeline of the 4th water pipe are provided with water pump.
Preferably, described high temperature coal smoke water bath dust removing system, the first level dividing plate is to described except between acid tower Away from not less than described except the 1/8 of acid tower internal diameter;4th horizontal baffle to the spacing except washing tower (for removing CO2) removes alkali not less than described in The 1/8 of tower internal diameter.
Preferably, described high temperature coal smoke water bath dust removing system, the water-permeable brick is waveform.
Preferably, described high temperature coal smoke water bath dust removing system, the acid solution is that the sulfuric acid that mass fraction is 8% is water-soluble Liquid, the alkali lye is the sodium hydrate aqueous solution that mass fraction is 8%.
Preferably, described high temperature coal smoke water bath dust removing system, first catch box delivers entrance provided with alkali, described Second catch box delivers entrance provided with acid.
The present invention at least includes following beneficial effect:
Firstth, the present invention include set gradually cyclone dust collectors, except acid tower, except washing tower (for removing CO2), drying tower, can filter out successively Bulky grain solid dust, alkaline gas, sour gas, water vapour, the water pipe set by ring absorb the heat of high temperature coal smoke to except Acid tower, except washing tower (for removing CO2), drying tower are preheated, increase solubility, reduce the consumption of washings, multiple water conservancy diversion are set except acid tower, except washing tower (for removing CO2) Pipe formation current path, gaseous mixture is fully contacted with water smoke or alkali lye (acid solution), is then passed through ring-type water curtain layer by layer, increase disturbance Degree, three stages water removal in drying tower, coagulate the network of rivers by through gaseous mixture in water recovery into water droplet, the gaseous mixture after purification Body is by permeable watt of gap and space is passed, water droplet is absorbed, and waterproof ventilated membrane reduces the water content of gaseous mixture;
Secondth, the present invention is in application process, and high temperature coal smoke is entered inside cyclone dust collectors 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 entered through coal smoke outlet except acid tower, be passed into below alkali lye liquid level to center flow Shunted after cleaning, the sky that a part of gaseous mixture is entered between the second horizontal baffle and the 3rd horizontal baffle by first annular breach Between, contacted with water smoke and the first mozzle lower end is returned to after abundant enwrapped granule, another part gaseous mixture is directly entered the first water conservancy diversion Pipe is fully contacted with alkali lye, and the first level dividing plate positioned at the top is accumulated under a certain amount of alkali lye, the first baffle upper plate, first Deflector and multiple fluid-tight film layers of the alkali lye formation of accumulation, gaseous mixture enters through water curtain layer by layer removes washing tower (for removing CO2), is passed into acid solution Shunted after being cleaned below liquid level, a part of gaseous mixture by the second annular breach enter the 5th horizontal baffle and the 6th horizontal baffle it Between space, contacted with water smoke and the second mozzle lower end returned to after abundant enwrapped granule, another part gaseous mixture is directly entered Two mozzles are fully contacted with acid solution, a certain amount of acid solution of the 4th horizontal baffle accumulation positioned at the top, the second baffle upper plate, Second chin spoiler is in multiple fluid-tight film layers of the acid solution formation of accumulation, and gaseous mixture enters drying tower through water curtain layer by layer, under Supreme condensed by solidifying water piece after the globule, permeable watt of absorption water droplet, waterproof ventilated membrane filter out residual moisture exports;
3rd, the setting of horizontal filter screen, which is removed, is raised the less larger-size solid waste of density that air-flow is swept along Thing;The setting of water pump ensures the flowing of recirculated water;First level dividing plate, the size of the 4th horizontal baffle, which are set, is easy to reserved mixing Gas enters the first gas outlet of top, enough accommodation spaces of 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 are good to the gas washing effect of alkaline gas and sour gas, and again Tower body will not be corroded;Supplement alkali, acid are easy in alkali dispensing port, the setting of sour dispensing port, it is ensured that alkali lye, the concentration of acid solution are always maintained at Balance.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this The research and practice of invention and be understood by the person skilled in the art.
Brief description of the drawings
Fig. 1 is structural representation of the invention;
Fig. 2 is the present invention except the structural representation of acid tower.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings, to make those skilled in the art with reference to specification text Word can be implemented according to this.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase Even ", " setting " should be interpreted broadly, for example, it may be fixedly linked, set or be detachably connected, set, or one Connect body, set.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 ", " on ", " under ", "front", "rear", "left", "right", " vertical ", " level ", The orientation or position relationship of the instruction such as " top ", " bottom ", " interior ", " outer " are It is not that instruction or the signified device of hint or element must have specific side for the ease of describing the present invention and simplifying description Position, with specific azimuth configuration and operation, therefore be 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, including:
Cyclone dust collectors 1, it includes cylinder, cone and the ash bucket set from top to bottom, and the cylinder lateral wall is provided with coal Cigarette entrance, top are exported provided with coal smoke, and the cone outer wall is equipped with the first water pipe 11;
Except acid tower 2, its top is provided with the first catch box 201, and described remove in acid tower 2 is respectively equipped with first level from top to bottom Dividing plate 202, the second horizontal baffle 203, the 3rd horizontal baffle 204, the first level dividing plate 202 are fixed on described by support Except the inwall of acid tower 2, and with described except the inwall of acid tower 2 formation circular passage, the first level dividing plate 202 is provided with first point of liquid Component, it includes being located at the first separating box 205 of the top of the first level dividing plate 202, positioned at the first level dividing plate 202 Multiple deacidification nozzle layers of lower section, first separating box 205 is connected with first catch box 201, multiple deacidification nozzle layers From the center of circle to circle distribution, and including positioned at the first of two layers of outermost drench nozzle for liquid 206 and positioned at other layers of inner side the Two drench nozzle for liquid 207, and one layer first of outermost drenches nozzle for liquid 206 to the edge certain distance of the first level dividing plate 202, any The lower end of first pouring nozzle for liquid 206 of layer is connected with annular first baffle upper plate 208 being vertically arranged, second level every Plate 203, the 3rd horizontal baffle 204 sealing are inscribed in described except the inwall of acid tower 2, the middle part shape of the 3rd horizontal baffle 204 Into first annular breach, sealing is fixed with multiple first mozzles 209, first water conservancy diversion on second horizontal baffle 203 Pipe 209 is vertically set, up/down perforation and through the first annular breach, and first mozzle 209 and one second Drench nozzle for liquid 207 to be oppositely arranged, second horizontal baffle 203 upwardly extends annular first chin spoiler 210, 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 3rd horizontal baffle 204 is provided with multiple first atomizers 211, described except the bottom of acid tower 2 is contained with Alkali lye, the outer wall except acid tower 2 is equipped with the second water pipe 212, second water pipe 212, first catch box 201, institute The first atomizer 211 is stated to connect, it is described except acid tower 2 is located at alkali lye liquid level to have the first air inlet 214, positioned at the first water Flat partition board more than 202 is provided with the first gas outlet 215;
Except washing tower (for removing CO2) 3, its top is provided 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 level every Plate, the 5th horizontal baffle, the 6th horizontal baffle, the 4th horizontal baffle by support be fixed on it is described remove the inwall of washing tower (for removing CO2) 3, and With described except the inwall of washing tower (for removing CO2) 3 formation circular passage, the 4th horizontal baffle is provided with second point of liquid component, and it includes being located at institute State the second separating box above the 4th horizontal baffle, multiple below the 4th horizontal baffle and remove alkali nozzle layer, it is described Second separating box is connected with second catch box, multiple except alkali nozzle layer is from the center of circle to circle distribution, and including positioned at outermost The 3rd pouring nozzle for liquid and drench nozzle for liquid positioned at the 4th of other layers of inner side that two layers of side, one layer the 3rd of outermost drenches nozzle for liquid extremely The edge certain distance of 4th horizontal baffle, the lower end of the 3rd pouring nozzle for liquid of any layer is connected with a ring being vertically arranged The baffle upper plate of shape second, the 5th horizontal baffle, the 6th horizontal baffle sealing are inscribed in described except the inwall of washing tower (for removing CO2) 3, institute State to be formed to seal on the second annular breach, the 5th horizontal baffle in the middle part of the 6th horizontal baffle and be fixed with multiple second water conservancy diversion Pipe, second mozzle is vertically set, up/down perforation and through the described second annular breach, and second mozzle with One the 4th drenches nozzle for liquid and is oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, 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 provided with multiple second atomizers, described except the bottom of washing tower (for removing CO2) 3 is contained with acid solution, described to remove washing tower (for removing CO2) 3 outer wall is equipped with the 3rd water pipe, and the 3rd 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 to have the second air inlet, be provided with the second gas outlet more than the 4th horizontal baffle;
Drying tower 4, it is solidifying that it includes horizontally disposed waterproof ventilated membrane 41, multiple drying layers 42 and multilayer from top to bottom The network of rivers 43, the drying layer 42 includes horizontally disposed supporting network, the water-permeable brick group being arranged on above supporting network, the water-permeable brick Group includes polylith water-permeable brick in terms of rows and columns, and adjacent two pieces of water-permeable bricks contact is not but overlapping, and the solidifying network of rivers 43 is opened up There are multiple through holes, the through hole that multilayer coagulates the network of rivers 43 is staggered, the drying tower 4 is located at multilayer and coagulates the lower section in the network of rivers 43 provided with the Three air inlets, positioned at the top of waterproof ventilated membrane 41 the 3rd gas outlet is provided with, 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 3rd air inlet are sequentially communicated, and form gas flow paths;First water pipe 11, described Two water pipes 212, the 3rd water pipe, the 4th water pipe 44 are connected, and form water circulation flow 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 arrows filtered out successively in bulky grain solid dust, alkaline gas, sour gas, water vapour, Fig. 1 are designated as airflow direction, The water pipe set by ring absorbs the heat of high temperature coal smoke to except acid tower 2, except washing tower (for removing CO2) 3, drying tower 4 are preheated, increasing solubility, reduces The consumption of washings, except acid tower 2 (as shown in Fig. 2 except the structure of washing tower (for removing CO2) 3 is similar, therefore repeating label and amplification are not shown), except alkali Tower 3 sets multiple mozzle formation current paths, and gaseous mixture is fully contacted with water smoke or alkali lye (acid solution), is then passed through ring-type layer by layer Water curtain, increases disturbance degree, three stages water removal in drying tower 4, coagulate the network of rivers 43 by through gaseous mixture in water recovery Cheng Shui Drop, the mixed gas after purification is by permeable watt of gap and space is passed, water droplet is absorbed, the reduction gaseous mixture of waterproof ventilated membrane 41 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 is 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, be passed into after being cleaned below alkali lye liquid level and divide Stream, a part of gaseous mixture enters the space between the second horizontal baffle 203 and the 3rd horizontal baffle 204 by first annular breach, Contacted with water smoke and the lower end of the first mozzle 209 is returned to after abundant enwrapped granule, another part gaseous mixture is directly entered the first water conservancy diversion Pipe 209 is fully contacted with alkali lye, and the first level dividing plate 202 positioned at the top accumulates a certain amount of alkali lye, the first baffle upper plate 208th, the first chin spoiler 210 and multiple fluid-tight film layers of the alkali lye formation of accumulation, gaseous mixture enters through water curtain layer by layer removes alkali Tower 3, is passed into after being cleaned below acid solution liquid level and shunts, a part of gaseous mixture by the second annular breach enter the 5th horizontal baffle with Space between 6th horizontal baffle, is contacted with water smoke and the second mozzle lower end is returned to after abundant enwrapped granule, and another part is mixed Conjunction gas is directly entered the second mozzle and fully contacted with acid solution, and the 4th horizontal baffle positioned at the top accumulates a certain amount of acid Liquid, the second baffle upper plate, the second chin spoiler pass through water curtain layer by layer in multiple fluid-tight film layers of the acid solution formation of accumulation, gaseous mixture Into drying tower 4, condense the globule, permeable watt of absorption water droplet, waterproof ventilated membrane 41 by solidifying water piece from bottom to top and filter out residual water Exported after point.
In another technical scheme, described high temperature coal smoke water bath dust removing system, the cyclone dust collectors 1 are internally located at The coal smoke entrance, the coal smoke are additionally provided with horizontal filter screen 12 between outlet, remove that to be raised the density that air-flow sweeps along less Larger-size solid waste.
In another technical scheme, described high temperature coal smoke water bath dust removing system, first water pipe 11, described second Water pipe 212, the 3rd water pipe, the connecting pipeline of the 4th water pipe 44 are provided with water pump (not shown), it is ensured that circulation The flowing of water.
In another technical scheme, described high temperature coal smoke water bath dust removing system, the first level dividing plate 202 to institute State except the spacing of acid tower 2 removes the 1/8 of the internal diameter of acid tower 2 not less than described in;4th horizontal baffle is to the spacing except washing tower (for removing CO2) 3 Not less than described except the 1/8 of the internal diameter of washing tower (for removing CO2) 3, it is easy to reserved gaseous mixture to enter the first gas outlet 215 of top, the second gas outlet Enough accommodation spaces.
In another technical scheme, described 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 scheme, described high temperature coal smoke water bath dust removing system, the acid solution is that mass fraction is 8% Aqueous sulfuric acid, the alkali lye is the sodium hydrate aqueous solution that mass fraction is 8%, and alkaline gas and sour gas are washed Gas effect is good, and will not corrode tower body again.
In another technical scheme, described high temperature coal smoke water bath dust removing system, first catch box 201 is provided with alkali Entrance 213 is delivered, second catch box delivers entrance provided with acid, be easy to supplement alkali, acid, it is ensured that alkali lye, the concentration one of acid solution It is straight to keep balance.
Number of devices and treatment scale described herein are the explanations for simplifying the present invention.To the present invention application, Modifications and variations will be readily apparent to persons skilled in the art.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, the present invention is not limited In specific details and shown here as the legend with description.

Claims (7)

1. a kind of high temperature coal smoke water bath dust removing system, it is characterised in that including:
Cyclone dust collectors, it includes cylinder, cone and the ash bucket set from top to bottom, and the cylinder lateral wall enters provided with coal smoke Mouth, top are exported provided with coal smoke, and the cone outer wall is equipped with the first water pipe;
Except acid tower, its top is provided with the first catch box, and described remove in acid tower is respectively equipped with first level dividing plate, second from top to bottom Horizontal baffle, the 3rd horizontal baffle, the first level dividing plate are fixed on the deacidification inner wall of tower by support, and are removed with described Acid tower inwall formation circular passage, the first level dividing plate is provided with first point of liquid component, and it includes being located at first water The first separating box above flat partition board, multiple deacidification nozzle layers below the first level dividing plate, first point of liquid Case is connected with first catch box, and multiple deacidification nozzle layers are from the center of circle to circle distribution, and including being located at two layers of outermost First drenches nozzle for liquid and drenches nozzle for liquid positioned at the second of other layers of inner side, and one layer first of outermost drenches nozzle for liquid to described first The edge certain distance of horizontal baffle, the lower end of the first pouring nozzle for liquid of any layer is connected with an annular first being vertically arranged Deflector, second horizontal baffle, the 3rd horizontal baffle sealing are inscribed in the deacidification inner wall of tower, the 3rd level Sealing on first annular breach, second horizontal baffle is formed in the middle part of dividing plate and is fixed with multiple first mozzles, described first Mozzle is vertically set, up/down perforation and through the first annular breach, and first mozzle drenches with one second Nozzle for liquid is oppositely arranged, and second horizontal baffle upwardly extends annular first chin spoiler, the first chin spoiler position Between two the first baffle upper plates, and free end is staggered, second horizontal baffle and the 3rd horizontal baffle it Between side wall be provided with multiple first atomizers, the deacidification tower bottom is contained with alkali 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 to have the first air inlet, more than first level dividing plate provided with the first gas outlet;
Except washing tower (for removing CO2), its top is provided 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 by support be fixed on it is described remove washing tower (for removing CO2) inwall, and removed with described Washing tower (for removing CO2) inwall formation circular passage, the 4th horizontal baffle is provided with second point of liquid component, and it includes being located at the 4th water The second separating box above flat partition board, multiple below the 4th horizontal baffle remove alkali nozzle layer, second point of liquid Case is connected with second catch box, multiple except alkali nozzle layers are from the center of circle to circle distribution, and including being located at two layers of outermost 3rd drenches nozzle for liquid and drenches nozzle for liquid positioned at the 4th of other layers of inner side, and one layer the 3rd of outermost drenches nozzle for liquid to the described 4th The edge certain distance of horizontal baffle, the lower end of the 3rd pouring nozzle for liquid of any layer is connected with an annular second being vertically arranged Deflector, the 5th horizontal baffle, the 6th horizontal baffle sealing are inscribed in described except washing tower (for removing CO2) inwall, the 6th level Sealing on the second annular breach, the 5th horizontal baffle is formed in the middle part of dividing plate and is fixed with multiple second mozzles, described second Mozzle is vertically set, up/down perforation and through the described second annular breach, and second mozzle drenches with one the 4th Nozzle for liquid is oppositely arranged, and the 5th horizontal baffle upwardly extends annular second chin spoiler, the 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 provided with multiple second atomizers, described except washing tower (for removing CO2) bottom is contained with acid solution, the outer wall ring except washing tower (for removing CO2) is set There is the 3rd water pipe, the 3rd water pipe, second catch box, second atomizer connection are described except washing tower (for removing CO2) is located at acid Liquid liquid level is to have the second air inlet, more than the 4th horizontal baffle provided with the second gas outlet;
Drying tower, it includes horizontally disposed waterproof ventilated membrane, multiple drying layers and multilayer from top to bottom and coagulates the network of rivers, described Drying layer includes horizontally disposed supporting network, the water-permeable brick group that is arranged on above supporting network, the water-permeable brick group include with row and The polylith water-permeable brick of the form of row, adjacent two pieces of water-permeable bricks contact is not but overlapping, and the solidifying network of rivers offers multiple through holes, multilayer The through hole in the solidifying network of rivers is staggered, and the drying tower is located at multilayer and coagulates the lower section in the network of rivers provided with the 3rd air inlet, saturating positioned at waterproof The top of air film is provided with the 3rd 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 Gas port, the 3rd 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 circulation flow path.
2. high temperature coal smoke water bath dust removing system as claimed in claim 1, it is characterised in that the cyclone dust collectors are internally located at The coal smoke entrance, the coal smoke are additionally provided with horizontal filter screen between outlet.
3. high temperature coal smoke water bath dust removing system as claimed in claim 1, it is characterised in that first water pipe, described second Water pipe, the 3rd water pipe, the connecting pipeline of the 4th water pipe are provided with water pump.
4. high temperature coal smoke water bath dust removing system as claimed in claim 1, it is characterised in that the first level dividing plate is to described Except the spacing of acid tower removes the 1/8 of acid tower internal diameter not less than described in;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 claimed in claim 1, it is characterised in that the water-permeable brick is waveform.
6. high temperature coal smoke water bath dust removing system as claimed in claim 1, it is characterised in that the acid solution is that mass fraction is 8% aqueous sulfuric acid, the alkali lye is the sodium hydrate aqueous solution that mass fraction is 8%.
7. high temperature coal smoke water bath dust removing system as claimed in claim 1, it is characterised in that first catch box is thrown provided with alkali Mouth is put into, second catch box delivers entrance provided with acid.
CN201710672098.9A 2017-08-08 2017-08-08 High temperature coal smoke water bath dust removing system Active CN107252593B (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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