CN106237837A - Spray paint industry off-gas cleaning equipment - Google Patents

Spray paint industry off-gas cleaning equipment Download PDF

Info

Publication number
CN106237837A
CN106237837A CN201610245657.3A CN201610245657A CN106237837A CN 106237837 A CN106237837 A CN 106237837A CN 201610245657 A CN201610245657 A CN 201610245657A CN 106237837 A CN106237837 A CN 106237837A
Authority
CN
China
Prior art keywords
gas
cylinder
industry
cleaning equipment
wheel
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
Application number
CN201610245657.3A
Other languages
Chinese (zh)
Inventor
刘艳萍
刘先勇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ocean University ZJOU
Original Assignee
Zhejiang Ocean University ZJOU
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Ocean University ZJOU filed Critical Zhejiang Ocean University ZJOU
Priority to CN201610245657.3A priority Critical patent/CN106237837A/en
Publication of CN106237837A publication Critical patent/CN106237837A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B01D53/86—Catalytic processes
    • B01D53/8621—Removing nitrogen compounds
    • B01D53/8625—Nitrogen oxides
    • B01D53/8631—Processes characterised by a specific device
    • 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
    • B01D53/32—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 electrical effects other than those provided for in group B01D61/00
    • B01D53/323—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 electrical effects other than those provided for in group B01D61/00 by electrostatic effects or by high-voltage electric fields
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/48—Sulfur compounds
    • B01D53/50—Sulfur oxides
    • B01D53/501—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/504—Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific device
    • 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
    • B01D53/46—Removing components of defined structure
    • B01D53/68—Halogens or halogen compounds
    • 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
    • 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
    • B01D53/80—Semi-solid phase processes, i.e. by using slurries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/017—Combinations of electrostatic separation with other processes, not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2251/00—Reactants
    • B01D2251/40—Alkaline earth metal or magnesium compounds
    • B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20707—Titanium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20723—Vanadium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2255/00—Catalysts
    • B01D2255/20—Metals or compounds thereof
    • B01D2255/207—Transition metals
    • B01D2255/20776—Tungsten
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2045—Hydrochloric acid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/20—Halogens or halogen compounds
    • B01D2257/204—Inorganic halogen compounds
    • B01D2257/2047—Hydrofluoric acid
    • 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
    • B01D2258/0258—Other waste gases from painting equipments or paint drying installations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Analytical Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • Treating Waste Gases (AREA)

Abstract

The present invention relates to exhaust treating purifier.One spray paint industry off-gas cleaning equipment, including bracket, combustion tower, denitration reaction device, first electrostatic precipitator, desulfurizer and the second electrostatic precipitator, denitration reaction device connects reducing agent injection apparatus, reducing agent injection apparatus is provided with nozzle, denitration reaction device is provided with the first inlet flue duct and the first exhaust pass, nozzle is arranged in the first inlet flue duct, it is provided with catalyst-assembly between first inlet flue duct and the first exhaust pass, first exhaust pass entrance point with electrostatic precipitator after air preheater links together, first inlet flue duct is docking together with the offgas outlet of combustion tower, the lower end of combustion tower is provided with water tank, water tank is provided with exhaust gas inlet and input gas to the gas outlet of combustion tower, bracket is provided with wheel and wheel is lifted away from the hydraulic supporting feet on ground.The present invention has the advantage that can carry out global transfer easily, in order to process the waste gas of industry generation of spraying paint to reduce environmental pollution.

Description

Spray paint industry off-gas cleaning equipment
Technical field
The present invention relates to exhaust treating purifier, particularly relate to one spray paint industry off-gas cleaning equipment.
Background technology
In order to reduce the coating cloud produced during industry of the spraying paint pollution to environment, need by off-gas cleaning equipment, the fog produced that sprays paint to be processed.A kind of existing off-gas cleaning equipment is i.e. disclosed in the Chinese patent document that China Patent No. is 2013206512644.
Summary of the invention
The invention provides a kind of industry off-gas cleaning equipment that sprays paint that can carry out global transfer easily, in order to process the waste gas of industry generation of spraying paint to reduce environmental pollution.
nullMore than technical problem is that and to be solved by following technical proposal: one is sprayed paint industry off-gas cleaning equipment，Including bracket，Combustion tower it is sequentially provided with on bracket、Denitration reaction device、First electrostatic precipitator、Desulfurizer and the second electrostatic precipitator，Described denitration reaction device connects reducing agent injection apparatus，Described reducing agent injection apparatus is provided with nozzle，Described denitration reaction device is provided with the first inlet flue duct and the first exhaust pass，Described nozzle is arranged in described first inlet flue duct，It is provided with catalyst-assembly between first inlet flue duct and the first exhaust pass，Described first exhaust pass links together with the entrance point of described electrostatic precipitator after air preheater，Described first inlet flue duct is docking together with the offgas outlet of described combustion tower，The lower end of described combustion tower is provided with water tank，Described water tank is provided with exhaust gas inlet and input gas to the gas outlet of described combustion tower，Described bracket is provided with wheel and wheel is lifted away from the hydraulic supporting feet on ground.Spraying paint during use, through exhaust gas inlet entrance water tank, the water in water tank makes solvable gas be dissolved in the water of water tank to the waste gas produced, undissolved waste gas enters combustion tower and carries out burn (gas produced that sprays paint mostly is fuel gas) after emerging from water, burning produce tail gas through first inlet flue duct flow into after successively through denitration reaction device, first electrostatic precipitator, desulfurizer and the second electrostatic precipitator process, reducing agent sprays in tail gas through reducing agent injection apparatus, it is then passed through catalyst-assembly, tail gas is discharged from the port of export of the second electrostatic precipitator after treatment.All parts is arranged on bracket and bracket is provided with wheel, can shift equipment easily.By hydraulic supporting feet, bracket is supported when not shifting.
As preferably, described wheel includes spoke, it is connected to the wheel rim of spoke, it is connected to inflation tyre and the anti-prick tyre mechanism of wheel rim, described anti-prick tyre mechanism includes cylinder, air reservoir, the screw mandrel wearing and being rotationally connected with cylinder and the thread bush being threaded on screw mandrel, described cylinder is coaxially fixed together with described wheel rim, axis it is provided with the parallel inflation piston of the axis of described wheel rim in described air reservoir, described air reservoir is isolated annular seal space by described inflation piston, described annular seal space connects with described tire, described inflation piston is linked together with described thread bush by push rod, described cylinder is additionally provided with the spline structure stoping described thread bush to rotate for axle relative to described cylinder with described screw mandrel；When described wheel can come by changing the tire pressure of inflation tyre the tyre surface of tire along wheel rim radially beyond or less than the side face of described cylinder.Existing wheel easily produces when having the disadvantage that section (hereinafter referred to as the pricking tire section) when passing through with sharp objects and rolls tire phenomenon, and the technical program solves this problem.When pricking tire section when to pass through, rotary screw rod, screw mandrel drives thread bush translation, and the direction that thread bush drives piston court to make annular seal space increase by push rod is moved so that the gas in tire is flowed in annular seal space and tire tire pressure is reduced.Piston particular location is: piston is moved to tire pressure and is reduced to when tire contacts with ground can flat be supported by then passing through cylinder to the position being supported vehicle by cylinder, so that tire will not be poked by sharp objects.After crossing bundle tire section, rotate backward screw mandrel so that thread bush by push rod drive piston towards time annular seal space reduce local mobile so that the gas in annular seal space is punched in tire again, and tire pressure rising makes wheel be supported again through tire.
As preferably, described spline structure be arranged at described cylinder along the axially extended strip hole of wheel rim, described push rod is arranged in described strip hole.Simple in construction.
Described wheel also includes the box of tricks making to produce speed discrepancy between described cylinder and screw mandrel, described screw mandrel includes inputting section and deferent segment, described input section and deferent segment are linked together by force-limiting device, described thread bush stricture of vagina is connected to described deferent segment, described box of tricks include being connected to cylinder ring gear, be connected to described input section and external toothing in ring gear and the clutch gear that can be arranged between ring gear and external toothing to plug.When screw mandrel to be passed through drives inflation piston to move, being inserted between ring gear and external toothing by change-speed gearing and meshed together by interior external toothing, change-speed gearing is fixed on vehicle frame and prevents from rotating with wheel.Now difference mechanism enables to the rotating speed rotating speed higher than thread bush of screw mandrel and thread bush generation speed discrepancy and screw mandrel, thus realizes the translation of thread bush.Tire inflation/deflation can be carried out, laborsaving convenience during inflation/deflation by the rotation of gear.When piston moves to extreme position, the moment of torsion of screw mandrel can increase, increase above force-limiting device caned the amount of transmission time then produce between the section of input and deferent segment and rotate and make to continue to obtain piston and move and realize being automatically stopped driving.
As preferably, described force-limiting device includes being connected to the first friction plate of described input section and being connected to the second friction plate of described deferent segment, together with described first friction plate is pushed against with the second friction plate, described input section and deferent segment transmit power by the rubbing action between described first friction plate and the second friction plate.Structure is the compactest.
As preferably, described desulfurizer includes desulfurizing tower and circulating pump, be disposed with the second exhaust pass, demister, spray equipment, the second inlet flue duct and absorption cell in described desulfurizing tower from top to bottom, the entrance point of described circulating pump with described absorption cell to linking together, the port of export links together with the entrance point of described spray equipment.Removal effect is good.
As preferably, described desulfurizer also includes that oxidation fan, the outlet of described oxidation fan are arranged in described absorption cell.The oxidation air that oxidation fan is sent is admitted to absorption cell by oxidation pipe network after work of water sprinkling for better material moisture, and air is evenly distributed on absorption cell transverse section, so that air and serosity are sufficiently mixed, it is achieved high oxidation rate.
As preferably, bottom described absorption cell, it is additionally provided with agitator.Agitator is set, the serosity in absorption cell can be made to become float state and make it be diffused, for maintaining under suspended state by solid, be uniformly distributed oxidation air simultaneously.
As preferably, if described spray equipment includes the spraying layer that dried layer is distributed from the top down, some arms and the spout being arranged at arm that every layer of described spraying layer by a female pipe, is connected to female pipe are constituted.Sprayed slurry coverage rate can be increased, make the serosity of output in absorption cell be fully contacted with tail gas, thus improve desulfuration efficiency.
As preferably, described demister is provided with the runner along the distribution of some vertically extending horizontal directions, and described runner is curvilinear structures.When tail gas flows through demister, drop stays the corner of runner due to effect of inertia, thus plays the effect except mist.
As preferably, described electrostatic precipitator includes housing, one end of described housing horizontal direction is provided with import, the other end is provided with outlet, it is sequentially provided with pre electrified device from entrance point to the port of export in described housing, airflow-distribution board, first spray equipment and electrostatic precipitation assembly, described electrostatic precipitation assembly includes some discharge electrodes and some collecting plates being vertically arranged, described discharge electrode and the horizontally spaced setting of collecting plate, formed between described discharge electrode and dust collecting electrode and there is the gas channel that the downside of electric field is opened wide, the bottom of described housing is provided with the ash bucket being positioned at below described electrostatic precipitation assembly.Good dedusting effect.When original tail gas enters import, the first electrode discharge in pre electrified device, form corona, the dust in tail gas, by corona zone of action negative electricity, improves the charged efficiency of dust.And then the airflow-distribution board arranged, makes the tail gas of entrance cleaner unit be evenly distributed, and reduces the speed of tail gas.It is subsequently located at the first spray equipment on the left of airflow-distribution board and reduces the temperature of tail gas, reduce the ratio resistance of dust simultaneously, big dust particle in tail gas constantly will be assembled in mutual collision process, grow up, bulky grain after gathering relies on gravity to fall in ash bucket, tail gas after pre-spray enters in electrostatic precipitation assembly, dust in tail gas is because through pre electrified so self is just with negative electricity, simultaneously, also it is improved electrical after by charged water droplet moistening, moistening dust gathers dust collecting electrode under the effect of electric field force, moisture film can be formed on collecting polar plate after dust collecting electrode traps abundant water droplet.
As preferably, the lower section of described first spray equipment is provided with some groups of draining plates.Water can be made with the most sufficient combination of dust.
As preferably, in described housing, it is additionally provided with some groups of the second spray equipments being positioned at above electrostatic precipitation assembly.Dust collecting electrode can be scrubbed further, therefore the dust being captured will be flowed in ash bucket by the flowing of moisture film.
As preferably, described catalyst-assembly includes the catalyst storage box of both ends open and is positioned at the soot blower above catalyst storage box, is provided with grid in the opening of described catalyst storage box.The black dirt microgranule on catalyst surface can be made to depart from catalyst, and be in suspended state, to take away with tail gas stream.
The present invention has an advantage that and provides a kind of new structure processing lacquer spraying waste gas；Global transfer can be carried out easily.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the present invention.
Fig. 2 is the section view enlarged diagram of the wheel in Fig. 1, the state can only being supported by cylinder not for tyre pressure in this figure.
Fig. 3 is the A close-up schematic view of Fig. 2.
Fig. 4 is the use view of wheel, the state being the most i.e. supported by inflation tyre for tyre pressure in this figure.
Fig. 5 be spraying layer look up enlarged diagram.
The enlarged diagram of this demister of Fig. 6.
Fig. 7 is the enlarged diagram of the second electrostatic precipitator.
nullIn figure: denitration reaction device 1、Nozzle 11、First inlet flue duct 12、Catalyst-assembly 13、First exhaust pass 14、High-temperature economizer 15、Low-level (stack-gas) economizer 16、Wheel 2、Wheel rim 21、Spoke 22、Inflation tyre 23、Anti-prick tyre mechanism 29、Cylinder 291、Spline structure 2911、Air reservoir 292、Inflation piston 2921、Annular seal space 2922、Push rod 2923、Air flue 2924、Thread bush 293、Screw mandrel 294、Input section 2941、Force-limiting device 2942、First friction plate 29421、Second friction plate 29422、Coupling mechanism force regulation bolt 29423、Deferent segment 2943、Box of tricks 295、Ring gear 2951、External toothing 2952、Clutch gear 2953、Connecting shaft 2954、Booster fan 3、Desulfurizer 4、Second exhaust pass 40、Absorption cell 41、The outlet 42 of oxidation fan、Agitator 43、Gypsum Fibrosum excavationg pump 44、Circulating pump 45、Water inlet 46、Demister 47、Runner 471、Spray equipment 48、Female pipe 481、Arm 482、Spout 483、Second inlet flue duct 49、Second electrostatic precipitator 5、Housing 500、Import 501、Pre electrified device 502、Airflow-distribution board 504、Draining plate 505、First spray equipment 506、Second spray equipment 507、Electrostatic precipitation assembly 508、Outlet 509、The alkali liquor mouth of pipe 510、Discharging tube 511、Ash bucket 512、Base 513、Bracket 6、Hydraulic supporting feet 61、Combustion tower 7、Water tank 71、Exhaust gas inlet 72、Gas outlet 73、First electrostatic precipitator 8.
Detailed description of the invention
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
See Fig. 1, one spray paint industry off-gas cleaning equipment, including bracket 6.Bracket 1 is provided with wheel 2 and wheel is lifted away from the hydraulic supporting feet 61 on ground.Wheel 2 includes spoke 22, the wheel rim 21 being connected to spoke and is connected to the inflation tyre 23 of wheel rim.
Denitration reaction device the 1, first electrostatic precipitator 8, booster fan 3, desulfurizer 4 and the second electrostatic precipitator 5 be sequentially provided with combustion tower 7 on bracket 6, being connected in turn.The lower end of combustion tower 7 is provided with water tank 71.Water tank 71 is provided with exhaust gas inlet 72 and gas outlet 73.Gas outlet 73 links together with the import of combustion tower 7.
Denitration reaction device 1 is sequentially provided with the first inlet flue duct 12, burner hearth and the first exhaust pass 14.First inlet flue duct 12 is docking together with the offgas outlet of combustion tower 7.Denitration reaction device 1 connects has reducing agent injection apparatus, reducing agent injection apparatus to be provided with nozzle 11.Nozzle 11 is arranged in the first inlet flue duct 12.First inlet flue duct 12 is arranged on burner hearth upper end once.In burner hearth, be provided with high-temperature economizer 15 and low-level (stack-gas) economizer 16 from top to bottom, double-deck economizer the organic efficiency that can improve waste heat from tail gas is set.First exhaust pass 14 is arranged on the lower end of the relative first inlet flue duct side of burner hearth.Catalyst-assembly 13 it is provided with between high-temperature economizer 15 and low-level (stack-gas) economizer 16.Catalyst-assembly 13 includes the catalyst storage box of both ends open and is positioned at the soot blower above catalyst storage box, is provided with grid in the opening of catalyst storage box.Grid is abrasionproof grid.Catalyst can be board-like or honeycomb fashion.Soot blower is sonic soot blowing instrument.
First electrostatic precipitator 8 is existing apparatus.The entrance point of the first electrostatic precipitator 8 is docking together with the first exhaust pass 14.The port of export of the first electrostatic precipitator 8 is docking together with the entrance point of booster fan 3.
Desulfurizer 4 includes desulfurizing tower, oxidation fan and circulating pump 45.The second exhaust pass 40, demister 47, spray equipment the 48, second inlet flue duct 49 and absorption cell 41 it is disposed with from top to bottom in desulfurizing tower.Desulfurizing tower is additionally provided with the water inlet 46 being positioned at demister 47.The entrance point of circulating pump 45 with absorption cell 41 to linking together, the port of export links together with the entrance point of spray equipment 48.If spray equipment 48 includes the spraying layer (in the present embodiment being 3 layers) that dried layer is distributed from the top down.Second inlet flue duct 49 is docking together with the port of export of booster fan 3.The outlet 42 of oxidation fan is arranged in absorption cell 41.Agitator 43 and Gypsum Fibrosum excavationg pump 44 it is additionally provided with bottom absorption cell 41.
Second electrostatic precipitator 5 includes housing 500.One end of housing 500 horizontal direction is provided with import 501, the other end is provided with outlet 509.The lower end of housing 500 is provided with ash bucket 512.The bottom of ash bucket 512 is provided with discharging tube 511.Import 501 is docking together with the second exhaust pass 40.
Seeing Fig. 2, wheel 2 also includes anti-prick tyre mechanism 29.Anti-prick tyre mechanism 29 includes cylinder 291, air reservoir 292, thread bush 293, screw mandrel 294 and box of tricks 295.Wheel rim 21 is provided with inflation tyre 23.Cylinder 291 is coaxially fixed together with wheel rim 21.Cylinder 291 and wheel rim 21 are along the axial distribution of wheel rim 21.Cylinder 291 is provided with spline structure 2911.Spline structure 2911 for be arranged at cylinder 291 along the axially extended strip hole of wheel rim.Air reservoir 292 is arranged in the barrel of cylinder 291.The annular cylinder that air reservoir 292 is and cylinder 291 is coaxial.Inflation piston 2921 it is provided with in air reservoir 292.The axis of inflation piston 2921 is parallel with the axis of wheel rim 21.Air reservoir 292 is isolated annular seal space 2922 by inflation piston 2921.Annular seal space 2922 is connected with inflation tyre 23 by air flue 2924.Inflation piston 2921 is linked together with thread bush 293 by least two push rods 2923.Push rod 2923 is circumferentially distributed along cylinder 291.Push rod 2923 is correspondingly through the strip hole constituting spline structure 2911.Screw mandrel 294 is arranged in cylinder 291.Screw mandrel 294 includes inputting section 2941, force-limiting device 2942 and deferent segment 2943.One end of deferent segment 2943 is rotatably connected with cylinder 291, this end also be also axially connected together i.e. screw mandrel 294 along cylinder 291 between cylinder 291 can not moving axially along cylinder 291.The other end of deferent segment 2943 is linked together with deferent segment 2943 by force-limiting device 2942.Thread bush 94 thread bush is located on deferent segment 2943.Box of tricks 295 includes ring gear 2951, external toothing 2952 and clutch gear 2953.Ring gear 2951 is connected on the inner peripheral surface of cylinder 291.External toothing 2952 is connected to input section 2941.External toothing 2952 is positioned at ring gear 2951, and i.e. the two is positioned at approximately the same plane.Clutch gear 2953 is provided with connecting shaft 2954.
Seeing Fig. 3, force-limiting device 2942 includes the first friction plate 29421 and the second friction plate 29422 and coupling mechanism force regulation bolt 29423.First friction plate 29421 is connected to input section 2941.Second friction plate 29422 is connected to deferent segment 2943.Power is transmitted by rubbing action together with first friction plate 29421 is pushed against under the effect that holds out against of coupling mechanism force regulation bolt 29423 with the second friction plate 29422.The size that the friction between the first friction plate 29421 and the second friction plate 29422 makes it possible to the power of transmission can also be regulated by rotation lock power regulation bolt 29423.
Seeing Fig. 4, during use, spoke 22 links together with bracket 1.Inflation piston 2921 in this position time inflation tyre 23 due to gas flow, annular seal space 2922 makes tire pressure inadequate, now by cylinder 291, bracket is supported and realizes walking, thus avoid passing through bundle tire section time inflation tyre 23 punctured.
When to recover normal tire pressure and walked by inflation tyre support, clutch gear 2953 is inserted between ring gear 2951 and external toothing 2952 ring gear 2951 is meshed together by clutch gear 2953 with external toothing 2952.Clutch gear 2953 is fixed together with power buggy 3 also by connecting shaft 2954.Then wheel is made to rotate forward, under the effect of box of tricks 295, the rotating speed of screw mandrel 294 produces translation to the right higher than the rotating speed of thread bush 293, thread bush 293 also relative to screw mandrel 294, the structure of translation is to drive inflation piston 2921 to move to right so that in the gas compression in annular seal space 2922 to inflation tyre 23 so that wheel is supported by inflation tyre 23 and walks.When inflate piston 2921 be shifted to the right to same cylinder 291 be connected to together time, the moment of torsion of screw mandrel 294 can increase, force-limiting device 2942 is skidded, thus be automatically obtained rotation.In like manner, when have exit to pneumatic tire 99 and realize being supported by cylinder 291 time, make wheel reversing, the result of reversion is that screw mandrel drives inflation piston 2921 to move to left, gas in inflation tyre 23 is flowed in annular seal space 2922 so that inflation tyre 23 can flat be supported by cylinder 291 down.
When need not inflation/deflation, clutch gear 2953 is extracted between the first friction plate 29421 and the second friction plate 29422.
Seeing Fig. 5, some arms 482 and the spout 483 being arranged at arm that every layer of described spraying layer by a female pipe 481, is connected to female pipe are constituted.
Seeing Fig. 6, demister 47 is provided with the runner 471 along the distribution of some vertically extending horizontal directions.Runner 471 is curvilinear structures.
See Fig. 7, in housing 500, be sequentially provided with pre electrified device 502, airflow-distribution board the 504, first spray equipment 506 and electrostatic precipitation assembly 508 from entrance point to the port of export.Electrostatic precipitation assembly 508 includes some discharge electrodes and some collecting plates being vertically arranged, and discharge electrode and collecting plate are spaced setting along the longitudinal direction, is formed and have the gas channel that the downside of electric field is opened wide between discharge electrode and dust collecting electrode.Ash bucket 512 is positioned at the lower section of electrostatic precipitation assembly 508.The left and right sides of ash bucket 512 is provided with the alkali liquor mouth of pipe 510.Pre electrified device 502 is discharge electrode.The lower section of the first spray equipment 506 is provided with some groups of draining plates 505.Some groups of the second spray equipments 507 being positioned at above electrostatic precipitation assembly 508 it are additionally provided with in housing 500.
During use, seeing Fig. 1, by spraying paint, the waste gas produced enters water tank 71 through exhaust gas inlet 72, and water-soluble gas is absorbed by the water in water tank 71, insoluble gas enters combustion tower 7 through gas outlet 73 and burns, and the tail gas that burning produces flows into follow-up equipment through the first inlet flue duct 12.Reducing agent (reducing agent is ammonia) is ejected in the first inlet flue duct 12 with tail gas mixing through the nozzle 11 of reducing agent injection apparatus, a part of reducing agent carries out high temperature fast reaction, another part reducing agent with air-flow to flows with the NOx in tail gas, when flowing through catalyst-assembly 13, under the effect of catalyst, carry out secondary response with NOx.
By the first dedusting in tail gas and then entrance the first electrostatic precipitator 2.Tail gas in first electrostatic precipitator 2 is introduced desulfurizer 4 by booster fan 3.
Tail gas after the second inlet flue duct 49 imports desulfurizing tower, the serosity of tail gas and spray equipment 48 ejection in the absorber portion of whole desulfurizing tower uniformly in contact with, and fully mass transfer, the SO in tail gas2、SO3, the sour gas such as HF and HCl be effectively absorbed, leave the tail gas of desulfurizing tower through demister 47 remove contained serosity water droplet laggard enter the second Destaticizing device 5.
See Fig. 7, discharge the tail gas of desulfurizing tower enter at import 501 by pre electrified device 502 process charged after through airflow-distribution board 504, under the spray of the first spray equipment 506 processes, enter electrostatic precipitation assembly 508, charged after SO3Acid mist particle diameter under electrostatic coagulation effect increases, and is captured in dust collecting electrode, along with moisture film flow to ash bucket 512, now, being arranged at the alkali liquor mouth of pipe 510 of ash bucket 512 both sides and can produce the alkali liquor for neutralizing waste liquid, control the pH of waste liquid, the waste liquid after finally neutralizing is discharged from discharging tube 511.Tail gas after process is discharged along airflow direction from outlet 509.
Wherein reducing agent be percent mass concentration be the ammonia spirit of 20-25%, the mol ratio of the NOx in the straying quatity of reducing agent and tail gas is 2-3:1.Spray equipment 48 ejection serosity be mass concentration be the gypsum slurries of 15%.Catalyst is vanadium tungsten titanium system.

Claims (9)

  1. null1. the industry off-gas cleaning equipment that sprays paint，It is characterized in that，Including bracket，Combustion tower it is sequentially provided with on bracket、Denitration reaction device、First electrostatic precipitator、Desulfurizer and the second electrostatic precipitator，Described denitration reaction device connects reducing agent injection apparatus，Described reducing agent injection apparatus is provided with nozzle，Described denitration reaction device is provided with the first inlet flue duct and the first exhaust pass，Described nozzle is arranged in described first inlet flue duct，It is provided with catalyst-assembly between first inlet flue duct and the first exhaust pass，Described first exhaust pass links together with the entrance point of described electrostatic precipitator after air preheater，Described first inlet flue duct is docking together with the offgas outlet of described combustion tower，The lower end of described combustion tower is provided with water tank，Described water tank is provided with exhaust gas inlet and input gas to the gas outlet of described combustion tower，Described bracket is provided with wheel and wheel is lifted away from the hydraulic supporting feet on ground.
  2. The industry off-gas cleaning equipment that sprays paint the most according to claim 1, it is characterized in that, described wheel includes spoke, it is connected to the wheel rim of spoke, it is connected to inflation tyre and the anti-prick tyre mechanism of wheel rim, described anti-prick tyre mechanism includes cylinder, air reservoir, the screw mandrel wearing and being rotationally connected with cylinder and the thread bush being threaded on screw mandrel, described cylinder is coaxially fixed together with described wheel rim, axis it is provided with the parallel inflation piston of the axis of described wheel rim in described air reservoir, described air reservoir is isolated annular seal space by described inflation piston, described annular seal space connects with described tire, described inflation piston is linked together with described thread bush by push rod, described cylinder is additionally provided with the spline structure stoping described thread bush to rotate for axle relative to described cylinder with described screw mandrel；When described wheel can come by changing the tire pressure of inflation tyre the tyre surface of tire along wheel rim radially beyond or less than the side face of described cylinder.
  3. The most according to claim 2 spray paint industry off-gas cleaning equipment, it is characterised in that described spline structure be arranged at described cylinder along the axially extended strip hole of wheel rim, described push rod is arranged in described strip hole.
  4. 4. according to the industry off-gas cleaning equipment that sprays paint described in Claims 2 or 3, it is characterized in that, described wheel also includes the box of tricks making to produce speed discrepancy between described cylinder and screw mandrel, described screw mandrel includes inputting section and deferent segment, described input section and deferent segment are linked together by force-limiting device, described thread bush stricture of vagina is connected to described deferent segment, described box of tricks include being connected to cylinder ring gear, be connected to described input section and external toothing in ring gear and the clutch gear that can be arranged between ring gear and external toothing to plug.
  5. The industry off-gas cleaning equipment that sprays paint the most according to claim 4, it is characterized in that, described force-limiting device includes being connected to the first friction plate of described input section and being connected to the second friction plate of described deferent segment, together with described first friction plate is pushed against with the second friction plate, described input section and deferent segment transmit power by the rubbing action between described first friction plate and the second friction plate.
  6. 6. according to the industry off-gas cleaning equipment that sprays paint described in claim 1 or 2 or 3, it is characterized in that, described desulfurizer includes desulfurizing tower and circulating pump, be disposed with the second exhaust pass, demister, spray equipment, the second inlet flue duct and absorption cell in described desulfurizing tower from top to bottom, the entrance point of described circulating pump with described absorption cell to linking together, the port of export links together with the entrance point of described spray equipment.
  7. The industry off-gas cleaning equipment that sprays paint the most according to claim 6, it is characterised in that described desulfurizer also includes that oxidation fan, the outlet of described oxidation fan are arranged in described absorption cell.
  8. The industry off-gas cleaning equipment that sprays paint the most according to claim 6, it is characterized in that, if described spray equipment includes the spraying layer that dried layer is distributed from the top down, some arms and the spout being arranged at arm that every layer of described spraying layer by a female pipe, is connected to female pipe are constituted.
  9. The industry off-gas cleaning equipment that sprays paint the most according to claim 6, it is characterised in that described demister is provided with the runner along the distribution of some vertically extending horizontal directions, and described runner is curvilinear structures.
CN201610245657.3A 2016-04-20 2016-04-20 Spray paint industry off-gas cleaning equipment Pending CN106237837A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610245657.3A CN106237837A (en) 2016-04-20 2016-04-20 Spray paint industry off-gas cleaning equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610245657.3A CN106237837A (en) 2016-04-20 2016-04-20 Spray paint industry off-gas cleaning equipment

Publications (1)

Publication Number Publication Date
CN106237837A true CN106237837A (en) 2016-12-21

Family

ID=57626897

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610245657.3A Pending CN106237837A (en) 2016-04-20 2016-04-20 Spray paint industry off-gas cleaning equipment

Country Status (1)

Country Link
CN (1) CN106237837A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116764435A (en) * 2023-08-17 2023-09-19 山西毅诚科信科技有限公司 Flue gas SCR denitration mixing reaction device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102529614A (en) * 2012-02-26 2012-07-04 张卫 Automatic inflation pump
US20120237423A1 (en) * 2011-03-18 2012-09-20 Edward Bialkin Method and system for multi-stage flue gas cleaning
CN203063551U (en) * 2013-01-23 2013-07-17 福建合众机械有限公司 Wheel with anti-explosion mechanism
CN204107332U (en) * 2014-10-16 2015-01-21 太仓东能环保设备有限公司 A kind of portable SCR denitration device of convenient and efficient
CN204973559U (en) * 2015-09-17 2016-01-20 江山显进机电科技服务有限公司 But desulphurization unit of damping
CN105268315A (en) * 2015-10-09 2016-01-27 浙江浩普环保工程有限公司 Flue gas pollutant ultra-low emission system

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120237423A1 (en) * 2011-03-18 2012-09-20 Edward Bialkin Method and system for multi-stage flue gas cleaning
CN102529614A (en) * 2012-02-26 2012-07-04 张卫 Automatic inflation pump
CN203063551U (en) * 2013-01-23 2013-07-17 福建合众机械有限公司 Wheel with anti-explosion mechanism
CN204107332U (en) * 2014-10-16 2015-01-21 太仓东能环保设备有限公司 A kind of portable SCR denitration device of convenient and efficient
CN204973559U (en) * 2015-09-17 2016-01-20 江山显进机电科技服务有限公司 But desulphurization unit of damping
CN105268315A (en) * 2015-10-09 2016-01-27 浙江浩普环保工程有限公司 Flue gas pollutant ultra-low emission system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116764435A (en) * 2023-08-17 2023-09-19 山西毅诚科信科技有限公司 Flue gas SCR denitration mixing reaction device
CN116764435B (en) * 2023-08-17 2023-11-03 山西毅诚科信科技有限公司 Flue gas SCR denitration mixing reaction device

Similar Documents

Publication Publication Date Title
CN100496676C (en) Wet ammonia flue gas cleaning technology simultaneously removing various pollutant and system thereof
CN105268315A (en) Flue gas pollutant ultra-low emission system
CN105444195B (en) Coal-fired flue-gas multi-pollutant cooperative processing method and its system
CN104150552B (en) The heat-engine plant desulfurized waste water evaporate to dryness tower of a kind of process
CN205700120U (en) A kind of wet method sulphur removing and dust removing integrated apparatus
CN106807240A (en) The industrial off-gas cleaning equipment of spray painting
CN205164384U (en) Power station flue gas static sprays desulfurization dust collector
CN102423593A (en) Method for simultaneously dedusting, desulphurizing and denitrating boiler flue gas in coal-fired industry
CN103801185B (en) Metallic fume treatment and purification system
CN106334422A (en) Ink workshop exhaust gas purifying apparatus
CN106237837A (en) Spray paint industry off-gas cleaning equipment
CN106807190A (en) Ink house exhaust purifier
CN106975326A (en) Gold stamping machine room's emission-control equipment
CN202803088U (en) Efficient desulfurization device by spray drying semidry method
CN205867906U (en) Denitration dust remover
CN107860016A (en) A kind of ash handling equipment of fluidization boiler back end ductwork
CN108043185A (en) A kind of processing system of waste gas containing VOC and the processing method realized using the system
CN202506310U (en) Garbage-incinerated flue gas purification-combined deacidification system
CN106268266A (en) Gold stamping machine room emission-control equipment
CN104874252B (en) Multistage multi-cyclone demisting and dedusting device
CN205361013U (en) Flue gas treatment device
CN204039090U (en) Process heat-engine plant desulfurized waste water evaporate to dryness tower
CN203816570U (en) Deduster used during/after high tower raw material mixing process of compound fertilizer
CN106334428A (en) Flue gas treatment system
CN207445868U (en) A kind of ultralow dedusting demister of eddy flow charged water spray

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20161221