CN107983121B - Smoke and dust recovery processing environment-friendly device - Google Patents

Smoke and dust recovery processing environment-friendly device Download PDF

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Publication number
CN107983121B
CN107983121B CN201711397893.8A CN201711397893A CN107983121B CN 107983121 B CN107983121 B CN 107983121B CN 201711397893 A CN201711397893 A CN 201711397893A CN 107983121 B CN107983121 B CN 107983121B
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chamber
outlet
pipe
communicated
inlet
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CN107983121A (en
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聂玲
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Chongqing kaijielin Environmental Protection Engineering Co., Ltd
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Chongqing Kaijielin Environmental Protection Engineering Co Ltd
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    • 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
    • B01D53/75Multi-step processes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D47/00Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02Separating dispersed particles from gases, air or vapours by liquid as separating agent by passing the gas or air or vapour over or through a liquid bath
    • 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
    • B01D53/26Drying gases or vapours
    • B01D53/261Drying gases or vapours by adsorption
    • 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
    • B01D53/46Removing components of defined structure
    • B01D53/48Sulfur compounds
    • B01D53/50Sulfur oxides
    • B01D53/501Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound
    • B01D53/502Sulfur oxides by treating the gases with a solution or a suspension of an alkali or earth-alkali or ammonium compound characterised by a specific solution or suspension
    • 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
    • B01D53/46Removing components of defined structure
    • B01D53/54Nitrogen compounds
    • B01D53/56Nitrogen oxides
    • 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
    • B01D53/76Gas phase processes, e.g. by using aerosols
    • 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
    • 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
    • B01D53/96Regeneration, reactivation or recycling of reactants
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/10Oxidants
    • B01D2251/104Ozone
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/30Alkali metal compounds
    • B01D2251/304Alkali metal compounds of sodium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2251/00Reactants
    • B01D2251/60Inorganic bases or salts
    • B01D2251/604Hydroxides
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases
    • B01D2258/0283Flue gases

Abstract

The invention relates to an environment-friendly device for recycling smoke dust, and belongs to the field of environment-friendly equipment. Comprises an oxidation chamber, a first absorption chamber, a second liquid recovery chamber, a first liquid recovery chamber and a gas drying chamber. Through the improvement to the oxidizing chamber for oxidation efficiency obtains promoting by a wide margin, through setting up two absorption chambers, carries out abundant reaction and absorption to harmful element such as sulphur and nitrogen in the flue gas, makes the flue gas fully purified, reaches emission standard. Through setting up the gas drying chamber for the flue gas that finally discharges does not contain a large amount of moisture, has avoided harmful element to enter into the flue gas once more.

Description

Smoke and dust recovery processing environment-friendly device
Technical Field
The invention belongs to the field of environmental protection, particularly relates to the field of industrial smoke dust recovery treatment, and particularly relates to a smoke dust recovery treatment environmental protection device.
Background
The proportion of nitrogen oxides (generally nitrogen oxides with lower valence) in the coal-fired flue gas is very high, and the nitrogen oxides are insoluble in water and can cause very large pollution to air if discharged into the air. Ozone as a strong oxidant can oxidize various pollutants in the flue gas, and can quickly and effectively oxidize low-valence nitrogen oxides into high-valence nitrogen oxides which can be dissolved in water to generate HNO2And HNO3Greatly improving the dissolving capacity of harmful substances in the smoke. Meanwhile, the ozone can also oxidize oxysulfide in the flue gas, so that the oxysulfide which is expensive and is more easily dissolved in water can be generated, and the reduction product of the ozone is oxygen, so that no secondary pollution is caused. However, the process efficiency of the prior ozone treatment of harmful substances in the flue gas is low, and the ozone treatment process is smellyThe contact time of oxygen during the reaction is required to be certain time before N, S in the flue gas can be oxidized into a high valence state. Meanwhile, the sewage with high valence N and S is not effectively treated, so that secondary pollution is easily caused.
Disclosure of Invention
The invention provides a smoke dust recycling and environment-friendly device.
The method is realized by the following technical means:
the utility model provides a smoke and dust recovery handles environment-friendly device, includes oxidation chamber, first absorption chamber, second liquid recovery room, first liquid recovery room and gas drying chamber.
The oxidation chamber comprises an oxidation chamber shell, a flue gas inlet, an oxidation chamber outlet, a flow guide piece, an ozone nozzle, an ozone gas supply part, a gas outlet pipeline and a gas pump; the oxidation chamber shell is of a transverse cylindrical structure, a smoke inlet is formed in one end of the lower side of the oxidation chamber shell, the smoke inlet is inclined to the oxidation chamber shell, the inclined direction of the smoke inlet faces the inner side of one end face of the oxidation chamber shell, a flow guide piece is arranged in the oxidation chamber shell on the upper portion of the smoke inlet, the flow guide piece is arranged in a convex shape facing one side of the end face, an ozone nozzle is arranged on the upper portion of the end face, the ozone nozzle is horizontally arranged, the spraying direction of the ozone nozzle faces the other end face of the oxidation chamber shell, and an ozone gas supply component is arranged outside the oxidation chamber shell on the rear portion of the ozone nozzle; an oxidation chamber outlet is formed in the upper portion of the other end face, one end of the air outlet pipeline is communicated with the oxidation chamber outlet, the other end of the air outlet pipeline is communicated with a first absorption chamber inlet of the first absorption chamber, and an air pump is arranged on the air outlet pipeline and used for pumping flue gas in the oxidation chamber into the first absorption chamber.
The first absorption chamber is arranged at the lowest part of the smoke dust recovery and treatment environment-friendly device and comprises a first absorption chamber shell, a first absorption chamber inlet, a first vertical pipe, a first horizontal pipe, a second vertical pipe, a second horizontal pipe and a first pipeline opening part; the first absorption chamber shell is filled with NaOH solution; the first absorption chamber inlet is arranged on one side of the lower end of the first absorption chamber shell, one end of the first absorption chamber inlet is communicated with the air outlet pipeline, the other end of the first absorption chamber inlet is communicated with a first vertical pipe, the top end of the first vertical pipe is communicated with the first transverse pipe, the other end of the first transverse pipe is communicated with the bottom end of a second vertical pipe, the top end of the second vertical pipe is communicated with the second transverse pipe, the first transverse pipe is horizontally arranged, and the second transverse pipe is obliquely arranged; one or more first pipeline opening parts are arranged on the first vertical pipe and the second vertical pipe, the first pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the first vertical pipe and the second vertical pipe, and the inside of the first pipeline opening parts is communicated with the outside of the pipe; and a first liquid recovery outlet and a first liquid return port which are communicated with the first liquid recovery chamber are arranged on the side part of the first absorption chamber shell.
The second absorption chamber is arranged at the upper part of the first absorption chamber and comprises a second absorption chamber shell, a second absorption chamber inlet, a second absorption chamber outlet, a third vertical pipe, a third horizontal pipe, a fourth vertical pipe, a fourth horizontal pipe and a second pipeline opening part; the second absorption chamber is filled with Na2S solution; the second absorption chamber outlet is arranged on one side of the top of the second absorption chamber shell, the second absorption chamber inlet is arranged on the lower portion of the side wall of the second absorption chamber shell, one end of the second absorption chamber inlet is communicated with the second transverse pipe through a pipeline, the other end of the second absorption chamber inlet is communicated with one end of the third transverse pipe, the other end of the third transverse pipe is communicated with the bottom of the third vertical pipe, the top end of the third vertical pipe is communicated with one end of the fourth transverse pipe, the other end of the fourth transverse pipe is communicated with the bottom end of the fourth vertical pipe, and the top end of the fourth vertical pipe is communicated with the second absorption chamber outlet; one or more second pipeline opening parts are arranged on the third vertical pipe and the fourth vertical pipe, the second pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the third vertical pipe and the fourth vertical pipe, and the inside of the pipe is communicated with the outside of the pipe through the second pipeline opening parts; and a second liquid recovery outlet and a second liquid return port which are communicated with the second liquid recovery chamber are arranged on the side part of the second absorption chamber shell.
The gas drying chamber comprises a drying chamber shell, a drying chamber inlet, a filter plate and a flue gas outlet; the drying chamber shell is of a cuboid structure, one end of the bottom of the drying chamber shell is provided with a drying chamber inlet, the drying chamber inlet is communicated with the second absorption chamber outlet through a pipeline, a filter plate is arranged in the drying chamber shell, and the filter plate transversely penetrates through the whole drying chamber shell and is used for adsorbing moisture in gas; the top of the drying chamber shell is provided with a smoke outlet.
The first liquid recovery chamber comprises a first liquid recovery chamber inlet, a first liquid recovery chamber outlet, a drying absorption chamber, a sludge collection chamber and a precipitation flocculation chamber; the inlet of the first liquid recovery chamber is communicated with the first liquid recovery outlet, and the drying and absorbing chamber comprises a drying and absorbing chamber shell, a drying and absorbing chamber inlet and a drying and absorbing chamber outlet; lime particles and aluminum balls are uniformly filled in the drying absorption chamber shell, the inlet of the drying absorption chamber is communicated with the inlet of the first liquid recovery chamber through a pipeline, and 2 outlets of the drying absorption chamber are arranged at the bottom of the drying absorption chamber shell; the sedimentation flocculation chamber comprises a sedimentation flocculation chamber shell, a sedimentation flocculation chamber water inlet, a scattering cone, a vertical through pipe, an outlet top plate, an outlet bottom plate, a treated water outlet, a nitrogen outlet and a sludge outlet; the sedimentation flocculation chamber shell is of a cylindrical structure, 2 sedimentation flocculation chamber water inlets are formed in the top of the sedimentation flocculation chamber shell, 2 scattering cones are arranged under the 2 sedimentation flocculation chamber water inlets, the scattering cones are arranged in a cone structure, the bottoms of the scattering cones are fixedly connected with the vertical through pipe, the vertical through pipe is hollow and vertically arranged, a treated water outlet is formed in the upper part of the vertical through pipe, which is close to the scattering cones, and comprises an outlet top plate and an outlet bottom plate, the outlet top plate and the outlet bottom plate are in inverted funnel shapes, and the bottom of the vertical through pipe is communicated with the outlet of the first liquid recovery chamber; a nitrogen outlet is arranged at the uppermost part of the side wall of the sedimentation and flocculation chamber shell; a sludge outlet is arranged at the bottom of the sedimentation and flocculation chamber shell, and the sludge outlet is arranged in a downward sunken structure; the sludge collection chamber comprises a sludge collection chamber shell and a sludge collection chamber inlet, and the sludge collection chamber inlet is communicated with the sludge outlet; the first liquid recovery chamber outlet comprises an outlet conduit and a liquid pump disposed on the outlet conduit; the outlet pipeline is communicated with the bottom of the vertical pipe, and the liquid pump is used for pumping liquid from the first liquid recovery chamber to the first absorption chamber through the first liquid reflux port.
The second liquid recovery chamber is identical in structure to the first liquid recovery chamber and communicated with the second absorption chamber through a second liquid recovery outlet and a second liquid return port.
Preferably, the flow guide element enables the flue gas entering from the flue gas inlet to flow upwards along the outer arc surface of the flow guide element, and enables part of the flue gas to collide with the inner part of the end surface of the oxidation chamber shell and then flow upwards.
Preferably, the second horizontal pipe is inclined in such a direction that an end connected to the second vertical pipe is higher.
Preferably, the inclination angle of the second transverse pipe is 1-3 ︒ from the horizontal direction.
Preferably, the lower parts of the first and second duct opening parts are also provided with a baffle plate of a funnel structure for allowing the liquid to flow into the duct along the upper part of the baffle plate.
Preferably, the third horizontal pipe is arranged in an inclined mode, the inclined direction of the third horizontal pipe is such that the end connected with the third vertical pipe is lower, and the inclined angle of the third horizontal pipe is 1-3 ︒ relative to the horizontal direction.
Preferably, the number ratio of the lime particles to the aluminum balls is 1: 1-3.
Preferably, the number ratio of the lime particles to the aluminum balls is 1: 1.5.
The invention has the following effects:
1, oxidizing the smoke by ozone, and then washing by NaOH solution and Na sequentially2S solution washing, so that the oxidized N and S elements in the flue gas can be fully absorbed by the solution, and simultaneously, the heat in the flue gas can be absorbed (through heat exchange with liquid, the defect of aggravating greenhouse effect is reduced), and meanwhile, the heat in the flue gas can be absorbedThe adsorption effect of other solid impurities is greatly improved. Although the two washing containers are communicated, due to the principle of the communicating vessel, as long as the lower tank is kept full, a large amount of liquid cannot be mixed, and only part of liquid can be mixed at the joint, so that the two washing containers can be respectively adsorbed without special valve isolation on the two washing parts. The transverse pipe at the joint is inclined at a certain angle, so that the mixing of the two liquids is further reduced.
2, set up the water conservancy diversion spare through the specific site at the oxidation chamber, combine the slope of flue gas entry, can carry out the inclined arc water conservancy diversion with hot flue gas, thereby make hot flue gas can form an arc heat transfer passageway, combine the characteristics that hot flue gas is less than cold gas density, it can upflow, and cold ozone water is flat to the right side to spray, thereby can be fine mixing with ozone at the injection point, and vortex phenomenon will appear again in cold and hot mixing, thereby cold and hot mixing is more abundant, and can make cold and hot mixing more violent in limited space, and can also improve reaction temperature, thereby can improve the reaction rate of flue gas and ozone.
And 3, adsorbing moisture in the treated flue gas by a filter plate through arranging a gas drying chamber. Because the moisture in the flue gas is the solution in the two absorption chambers and the salt solution after reaction, if the flue gas is brought into the air, the amount of harmful substances in the air can be increased, and the probability of reaction with other impurities in the air can be increased due to the solute of the flue gas. Therefore, the filter plate is arranged to further adsorb moisture in the filter plate, and dry smoke is released into the air, so that secondary pollution is avoided.
The liquid recovery chambers are arranged to recover and recycle the treatment liquid, and the two liquid recovery chambers are arranged in a specific structure, so that the treatment liquid can be completely recovered and treated again.
Drawings
FIG. 1 is a schematic structural diagram of a smoke dust recycling and environmental protection device of the present invention.
FIG. 2 is a schematic view of the first liquid recovery chamber according to the present invention.
Wherein: 1-oxidation chamber, 11-flue gas inlet, 12-deflector, 13-ozone nozzle, 14-ozone gas supply, 15-outlet pipe, 16-air pump, 2-first absorption chamber, 21-first absorption chamber inlet, 22-first cross pipe, 23-second cross pipe, 24-second cross pipe, 25-first pipe opening, 3-second absorption chamber, 31-third cross pipe, 32-third cross pipe, 33-fourth cross pipe, 34-fourth cross pipe, 35-second pipe opening, 4-second liquid recovery chamber, 41-second liquid recovery chamber inlet, 42-second liquid recovery chamber outlet, 5-first liquid recovery chamber, 51-first liquid recovery chamber inlet, 52-first liquid recovery chamber outlet, 521-outlet pipeline, 522-liquid pump, 53-drying absorption chamber, 531-lime particles, 532-aluminum balls, 533-drying absorption chamber outlet, 54-sludge collection chamber, 55-precipitation flocculation chamber, 551-scattering cone, 552-vertical pipe, 553-outlet top plate, 554-outlet bottom plate, 555-nitrogen outlet, 556-sludge outlet, 6-gas drying chamber, 61-drying chamber inlet, 62-filter plate and 63-flue gas outlet.
Detailed Description
Example 1
The utility model provides a smoke and dust recovery handles environment-friendly device, includes oxidation chamber, first absorption chamber, second liquid recovery room, first liquid recovery room and gas drying chamber.
The oxidation chamber comprises an oxidation chamber shell, a flue gas inlet, an oxidation chamber outlet, a flow guide piece, an ozone nozzle, an ozone gas supply part, a gas outlet pipeline and a gas pump; the oxidation chamber shell is of a transverse cylindrical structure, a smoke inlet is formed in one end of the lower side of the oxidation chamber shell, the smoke inlet is inclined to the oxidation chamber shell, the inclined direction of the smoke inlet faces the inner side of one end face of the oxidation chamber shell, a flow guide piece is arranged in the oxidation chamber shell on the upper portion of the smoke inlet, the flow guide piece is arranged in a convex shape facing one side of the end face, an ozone nozzle is arranged on the upper portion of the end face, the ozone nozzle is horizontally arranged, the spraying direction of the ozone nozzle faces the other end face of the oxidation chamber shell, and an ozone gas supply component is arranged outside the oxidation chamber shell on the rear portion of the ozone nozzle; an oxidation chamber outlet is formed in the upper portion of the other end face, one end of the air outlet pipeline is communicated with the oxidation chamber outlet, the other end of the air outlet pipeline is communicated with a first absorption chamber inlet of the first absorption chamber, and an air pump is arranged on the air outlet pipeline and used for pumping flue gas in the oxidation chamber into the first absorption chamber.
The flow guide piece enables the flue gas entering from the flue gas inlet to upwards flow along the outer arc surface of the flow guide piece, and enables part of the flue gas to collide with the inside of the end surface of the oxidation chamber shell and then upwards flow.
The first absorption chamber is arranged at the lowest part of the smoke dust recovery and treatment environment-friendly device and comprises a first absorption chamber shell, a first absorption chamber inlet, a first vertical pipe, a first horizontal pipe, a second vertical pipe, a second horizontal pipe and a first pipeline opening part; the first absorption chamber shell is filled with NaOH solution; the first absorption chamber inlet is arranged on one side of the lower end of the first absorption chamber shell, one end of the first absorption chamber inlet is communicated with the air outlet pipeline, the other end of the first absorption chamber inlet is communicated with a first vertical pipe, the top end of the first vertical pipe is communicated with the first transverse pipe, the other end of the first transverse pipe is communicated with the bottom end of a second vertical pipe, the top end of the second vertical pipe is communicated with the second transverse pipe, the first transverse pipe is horizontally arranged, and the second transverse pipe is obliquely arranged; one or more first pipeline opening parts are arranged on the first vertical pipe and the second vertical pipe, the first pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the first vertical pipe and the second vertical pipe, and the inside of the first pipeline opening parts is communicated with the outside of the pipe; and a first liquid recovery outlet and a first liquid return port which are communicated with the first liquid recovery chamber are arranged on the side part of the first absorption chamber shell.
The second transverse pipe is inclined in a direction such that the end connected with the second vertical pipe is higher. And the inclination angle of the second transverse pipe is 2 ︒ from the horizontal direction.
The second absorption chamber is arranged at the upper part of the first absorption chamber and comprises a second absorption chamber shell, a second absorption chamber inlet, a second absorption chamber outlet, a third vertical pipe, a third horizontal pipe, a fourth vertical pipe, a fourth horizontal pipe and a second pipeline opening part; the second suctionThe interior of the chamber is filled with Na2S solution; the second absorption chamber outlet is arranged on one side of the top of the second absorption chamber shell, the second absorption chamber inlet is arranged on the lower portion of the side wall of the second absorption chamber shell, one end of the second absorption chamber inlet is communicated with the second transverse pipe through a pipeline, the other end of the second absorption chamber inlet is communicated with one end of the third transverse pipe, the other end of the third transverse pipe is communicated with the bottom of the third vertical pipe, the top end of the third vertical pipe is communicated with one end of the fourth transverse pipe, the other end of the fourth transverse pipe is communicated with the bottom end of the fourth vertical pipe, and the top end of the fourth vertical pipe is communicated with the second absorption chamber outlet; one or more second pipeline opening parts are arranged on the third vertical pipe and the fourth vertical pipe, the second pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the third vertical pipe and the fourth vertical pipe, and the inside of the pipe is communicated with the outside of the pipe through the second pipeline opening parts; and a second liquid recovery outlet and a second liquid return port which are communicated with the second liquid recovery chamber are arranged on the side part of the second absorption chamber shell.
The lower parts of the first pipeline opening part and the second pipeline opening part are also provided with guide plates with funnel structures, and the guide plates are used for enabling liquid to flow into the pipeline along the upper parts of the guide plates.
The third violently pipe is the slope setting, and the incline direction for make with the one end that the third standpipe is connected is lower, the incline angle of third violently pipe is for being 2 ︒ with the horizontal direction contained angle.
The gas drying chamber comprises a drying chamber shell, a drying chamber inlet, a filter plate and a flue gas outlet; the drying chamber shell is of a cuboid structure, one end of the bottom of the drying chamber shell is provided with a drying chamber inlet, the drying chamber inlet is communicated with the second absorption chamber outlet through a pipeline, a filter plate is arranged in the drying chamber shell, and the filter plate transversely penetrates through the whole drying chamber shell and is used for adsorbing moisture in gas; the top of the drying chamber shell is provided with a smoke outlet.
The first liquid recovery chamber comprises a first liquid recovery chamber inlet, a first liquid recovery chamber outlet, a drying absorption chamber, a sludge collection chamber and a precipitation flocculation chamber; the above-mentionedThe inlet of the first liquid recovery chamber is communicated with the first liquid recovery outlet, and the drying and absorbing chamber comprises a drying and absorbing chamber shell, a drying and absorbing chamber inlet and a drying and absorbing chamber outlet; lime particles and aluminum balls are uniformly filled in the drying absorption chamber shell, the inlet of the drying absorption chamber is communicated with the inlet of the first liquid recovery chamber through a pipeline, and 2 outlets of the drying absorption chamber are arranged at the bottom of the drying absorption chamber shell; the sedimentation flocculation chamber comprises a sedimentation flocculation chamber shell, a sedimentation flocculation chamber water inlet, a scattering cone, a vertical through pipe, an outlet top plate, an outlet bottom plate, a treated water outlet, a nitrogen outlet and a sludge outlet; the sedimentation flocculation chamber shell is of a cylindrical structure, 2 sedimentation flocculation chamber water inlets are formed in the top of the sedimentation flocculation chamber shell, 2 scattering cones are arranged under the 2 sedimentation flocculation chamber water inlets, the scattering cones are arranged in a cone structure, the bottoms of the scattering cones are fixedly connected with the vertical through pipe, the vertical through pipe is hollow and vertically arranged, a treated water outlet is formed in the upper part of the vertical through pipe, which is close to the scattering cones, and comprises an outlet top plate and an outlet bottom plate, the outlet top plate and the outlet bottom plate are in inverted funnel shapes, and the bottom of the vertical through pipe is communicated with the outlet of the first liquid recovery chamber; a nitrogen outlet is arranged at the uppermost part of the side wall of the sedimentation and flocculation chamber shell; a sludge outlet is arranged at the bottom of the sedimentation and flocculation chamber shell, and the sludge outlet is arranged in a downward sunken structure; the sludge collection chamber comprises a sludge collection chamber shell and a sludge collection chamber inlet, and the sludge collection chamber inlet is communicated with the sludge outlet; the sludge collected in the sludge collecting chamber is mainly Al (OH)3Solids, the first liquid recovery chamber outlet comprising an outlet conduit and a liquid pump disposed on the outlet conduit; the outlet pipeline is communicated with the bottom of the vertical pipe, and the liquid pump is used for pumping liquid from the first liquid recovery chamber to the first absorption chamber through the first liquid reflux port.
The number ratio of the lime particles to the aluminum balls is 1: 1.5.
The second liquid recovery chamber is identical in structure to the first liquid recovery chamber and communicated with the second absorption chamber through a second liquid recovery outlet and a second liquid return port.
Example 2
As shown in fig. 1 and 2: the utility model provides a smoke and dust recovery handles environment-friendly device, includes oxidation chamber, first absorption chamber, second liquid recovery room, first liquid recovery room and gas drying chamber.
The oxidation chamber comprises an oxidation chamber shell, a flue gas inlet, an oxidation chamber outlet, a flow guide piece, an ozone nozzle, an ozone gas supply part, a gas outlet pipeline and a gas pump; the oxidation chamber shell is of a transverse cylindrical structure, a smoke inlet is formed in one end of the lower side of the oxidation chamber shell, the smoke inlet is inclined to the oxidation chamber shell, the inclined direction of the smoke inlet faces the inner side of one end face of the oxidation chamber shell, a flow guide piece is arranged in the oxidation chamber shell on the upper portion of the smoke inlet, the flow guide piece is arranged in a convex shape facing one side of the end face, an ozone nozzle is arranged on the upper portion of the end face, the ozone nozzle is horizontally arranged, the spraying direction of the ozone nozzle faces the other end face of the oxidation chamber shell, and an ozone gas supply component is arranged outside the oxidation chamber shell on the rear portion of the ozone nozzle; an oxidation chamber outlet is formed in the upper portion of the other end face, one end of the air outlet pipeline is communicated with the oxidation chamber outlet, the other end of the air outlet pipeline is communicated with a first absorption chamber inlet of the first absorption chamber, and an air pump is arranged on the air outlet pipeline and used for pumping flue gas in the oxidation chamber into the first absorption chamber.
The first absorption chamber is arranged at the lowest part of the smoke dust recovery and treatment environment-friendly device and comprises a first absorption chamber shell, a first absorption chamber inlet, a first vertical pipe, a first horizontal pipe, a second vertical pipe, a second horizontal pipe and a first pipeline opening part; the first absorption chamber shell is filled with NaOH solution; the first absorption chamber inlet is arranged on one side of the lower end of the first absorption chamber shell, one end of the first absorption chamber inlet is communicated with the air outlet pipeline, the other end of the first absorption chamber inlet is communicated with a first vertical pipe, the top end of the first vertical pipe is communicated with the first transverse pipe, the other end of the first transverse pipe is communicated with the bottom end of a second vertical pipe, the top end of the second vertical pipe is communicated with the second transverse pipe, the first transverse pipe is horizontally arranged, and the second transverse pipe is obliquely arranged; one or more first pipeline opening parts are arranged on the first vertical pipe and the second vertical pipe, the first pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the first vertical pipe and the second vertical pipe, and the inside of the first pipeline opening parts is communicated with the outside of the pipe; and a first liquid recovery outlet and a first liquid return port which are communicated with the first liquid recovery chamber are arranged on the side part of the first absorption chamber shell.
The second absorption chamber is arranged at the upper part of the first absorption chamber and comprises a second absorption chamber shell, a second absorption chamber inlet, a second absorption chamber outlet, a third vertical pipe, a third horizontal pipe, a fourth vertical pipe, a fourth horizontal pipe and a second pipeline opening part; the second absorption chamber is filled with Na2S solution; the second absorption chamber outlet is arranged on one side of the top of the second absorption chamber shell, the second absorption chamber inlet is arranged on the lower portion of the side wall of the second absorption chamber shell, one end of the second absorption chamber inlet is communicated with the second transverse pipe through a pipeline, the other end of the second absorption chamber inlet is communicated with one end of the third transverse pipe, the other end of the third transverse pipe is communicated with the bottom of the third vertical pipe, the top end of the third vertical pipe is communicated with one end of the fourth transverse pipe, the other end of the fourth transverse pipe is communicated with the bottom end of the fourth vertical pipe, and the top end of the fourth vertical pipe is communicated with the second absorption chamber outlet; one or more second pipeline opening parts are arranged on the third vertical pipe and the fourth vertical pipe, the second pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the third vertical pipe and the fourth vertical pipe, and the inside of the pipe is communicated with the outside of the pipe through the second pipeline opening parts; and a second liquid recovery outlet and a second liquid return port which are communicated with the second liquid recovery chamber are arranged on the side part of the second absorption chamber shell.
The gas drying chamber comprises a drying chamber shell, a drying chamber inlet, a filter plate and a flue gas outlet; the drying chamber shell is of a cuboid structure, one end of the bottom of the drying chamber shell is provided with a drying chamber inlet, the drying chamber inlet is communicated with the second absorption chamber outlet through a pipeline, a filter plate is arranged in the drying chamber shell, and the filter plate transversely penetrates through the whole drying chamber shell and is used for adsorbing moisture in gas; the top of the drying chamber shell is provided with a smoke outlet.
The first liquid recovery chamber comprises a first liquid recovery chamber inlet, a first liquid recovery chamber outlet, a drying absorption chamber, a sludge collection chamber and a precipitation flocculation chamber; the inlet of the first liquid recovery chamber is communicated with the first liquid recovery outlet, and the drying and absorbing chamber comprises a drying and absorbing chamber shell, a drying and absorbing chamber inlet and a drying and absorbing chamber outlet; lime particles and aluminum balls are uniformly filled in the drying absorption chamber shell, the inlet of the drying absorption chamber is communicated with the inlet of the first liquid recovery chamber through a pipeline, and 2 outlets of the drying absorption chamber are arranged at the bottom of the drying absorption chamber shell; the sedimentation flocculation chamber comprises a sedimentation flocculation chamber shell, a sedimentation flocculation chamber water inlet, a scattering cone, a vertical through pipe, an outlet top plate, an outlet bottom plate, a treated water outlet, a nitrogen outlet and a sludge outlet; the sedimentation flocculation chamber shell is of a cylindrical structure, 2 sedimentation flocculation chamber water inlets are formed in the top of the sedimentation flocculation chamber shell, 2 scattering cones are arranged under the 2 sedimentation flocculation chamber water inlets, the scattering cones are arranged in a cone structure, the bottoms of the scattering cones are fixedly connected with the vertical through pipe, the vertical through pipe is hollow and vertically arranged, a treated water outlet is formed in the upper part of the vertical through pipe, which is close to the scattering cones, and comprises an outlet top plate and an outlet bottom plate, the outlet top plate and the outlet bottom plate are in inverted funnel shapes, and the bottom of the vertical through pipe is communicated with the outlet of the first liquid recovery chamber; a nitrogen outlet is arranged at the uppermost part of the side wall of the sedimentation and flocculation chamber shell; a sludge outlet is arranged at the bottom of the sedimentation and flocculation chamber shell, and the sludge outlet is arranged in a downward sunken structure; the sludge collection chamber comprises a sludge collection chamber shell and a sludge collection chamber inlet, and the sludge collection chamber inlet is communicated with the sludge outlet; the first liquid recovery chamber outlet comprises an outlet conduit and a liquid pump disposed on the outlet conduit; the outlet pipeline is communicated with the bottom of the vertical pipe, and the liquid pump is used for pumping liquid from the first liquid recovery chamber to the first absorption chamber through the first liquid reflux port.
The second liquid recovery chamber is identical in structure to the first liquid recovery chamber and communicated with the second absorption chamber through a second liquid recovery outlet and a second liquid return port.
The flow guide piece enables the flue gas entering from the flue gas inlet to upwards flow along the outer arc surface of the flow guide piece, and enables part of the flue gas to collide with the inside of the end surface of the oxidation chamber shell and then upwards flow. The flow guide piece is a transverse cylinder.
The second transverse pipe is inclined in a direction such that the end connected with the second vertical pipe is higher. And the inclined angle of the second transverse pipe is 1.6 ︒ from the horizontal direction.
The third horizontal pipe is arranged in an inclined mode, the inclined direction of the third horizontal pipe is such that one end connected with the third vertical pipe is lower, and the inclined angle of the third horizontal pipe is 1.6 ︒ from the horizontal direction.
The number ratio of the lime particles to the aluminum balls is 1: 2.1. The diameter of the lime particles is 2 times of the diameter of the aluminum balls.
Example 3
The utility model provides a smoke and dust recovery handles environment-friendly device, includes oxidation chamber, first absorption chamber, second liquid recovery room, first liquid recovery room and gas drying chamber.
The oxidation chamber comprises an oxidation chamber shell, a flue gas inlet, an oxidation chamber outlet, a flow guide piece, an ozone nozzle, an ozone gas supply part, a gas outlet pipeline and a gas pump; the oxidation chamber shell is of a transverse cylindrical structure, a smoke inlet is formed in one end of the lower side of the oxidation chamber shell, the smoke inlet is inclined to the oxidation chamber shell, the inclined direction of the smoke inlet faces the inner side of one end face of the oxidation chamber shell, a flow guide piece is arranged in the oxidation chamber shell on the upper portion of the smoke inlet, the flow guide piece is arranged in a convex shape facing one side of the end face, an ozone nozzle is arranged on the upper portion of the end face, the ozone nozzle is horizontally arranged, the spraying direction of the ozone nozzle faces the other end face of the oxidation chamber shell, and an ozone gas supply component is arranged outside the oxidation chamber shell on the rear portion of the ozone nozzle; an oxidation chamber outlet is formed in the upper portion of the other end face, one end of the air outlet pipeline is communicated with the oxidation chamber outlet, the other end of the air outlet pipeline is communicated with a first absorption chamber inlet of the first absorption chamber, and an air pump is arranged on the air outlet pipeline and used for pumping flue gas in the oxidation chamber into the first absorption chamber.
The first absorption chamber is arranged at the lowest part of the smoke dust recovery and treatment environment-friendly device and comprises a first absorption chamber shell, a first absorption chamber inlet, a first vertical pipe, a first horizontal pipe, a second vertical pipe, a second horizontal pipe and a first pipeline opening part; the first absorption chamber shell is filled with NaOH solution; the first absorption chamber inlet is arranged on one side of the lower end of the first absorption chamber shell, one end of the first absorption chamber inlet is communicated with the air outlet pipeline, the other end of the first absorption chamber inlet is communicated with a first vertical pipe, the top end of the first vertical pipe is communicated with the first transverse pipe, the other end of the first transverse pipe is communicated with the bottom end of a second vertical pipe, the top end of the second vertical pipe is communicated with the second transverse pipe, the first transverse pipe is horizontally arranged, and the second transverse pipe is obliquely arranged; one or more first pipeline opening parts are arranged on the first vertical pipe and the second vertical pipe, the first pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the first vertical pipe and the second vertical pipe, and the inside of the first pipeline opening parts is communicated with the outside of the pipe; and a first liquid recovery outlet and a first liquid return port which are communicated with the first liquid recovery chamber are arranged on the side part of the first absorption chamber shell.
The second absorption chamber is arranged at the upper part of the first absorption chamber and comprises a second absorption chamber shell, a second absorption chamber inlet, a second absorption chamber outlet, a third vertical pipe, a third horizontal pipe, a fourth vertical pipe, a fourth horizontal pipe and a second pipeline opening part; the second absorption chamber is filled with Na2S solution; the outlet of the second absorption chamber is arranged on one side of the top of the second absorption chamber shell, the inlet of the second absorption chamber is arranged on the lower part of the side wall of the second absorption chamber shell, one end of the inlet of the second absorption chamber is communicated with the second transverse pipe through a pipeline, the other end of the inlet of the second absorption chamber is communicated with one end of the third transverse pipe, the other end of the third transverse pipe is communicated with the bottom of the third vertical pipe, the top end of the third vertical pipe is communicated with one end of the fourth transverse pipe, and the other end of the fourth transverseThe top end of the fourth vertical pipe is communicated with the outlet of the second absorption chamber; one or more second pipeline opening parts are arranged on the third vertical pipe and the fourth vertical pipe, the second pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the third vertical pipe and the fourth vertical pipe, and the inside of the pipe is communicated with the outside of the pipe through the second pipeline opening parts; and a second liquid recovery outlet and a second liquid return port which are communicated with the second liquid recovery chamber are arranged on the side part of the second absorption chamber shell.
The gas drying chamber comprises a drying chamber shell, a drying chamber inlet, a filter plate and a flue gas outlet; the drying chamber shell is of a cuboid structure, one end of the bottom of the drying chamber shell is provided with a drying chamber inlet, the drying chamber inlet is communicated with the second absorption chamber outlet through a pipeline, a filter plate is arranged in the drying chamber shell, and the filter plate transversely penetrates through the whole drying chamber shell and is used for adsorbing moisture in gas; the top of the drying chamber shell is provided with a smoke outlet.
The first liquid recovery chamber comprises a first liquid recovery chamber inlet, a first liquid recovery chamber outlet, a drying absorption chamber, a sludge collection chamber and a precipitation flocculation chamber; the inlet of the first liquid recovery chamber is communicated with the first liquid recovery outlet, and the drying and absorbing chamber comprises a drying and absorbing chamber shell, a drying and absorbing chamber inlet and a drying and absorbing chamber outlet; lime particles and aluminum balls are uniformly filled in the drying absorption chamber shell, the inlet of the drying absorption chamber is communicated with the inlet of the first liquid recovery chamber through a pipeline, and 2 outlets of the drying absorption chamber are arranged at the bottom of the drying absorption chamber shell; the sedimentation flocculation chamber comprises a sedimentation flocculation chamber shell, a sedimentation flocculation chamber water inlet, a scattering cone, a vertical through pipe, an outlet top plate, an outlet bottom plate, a treated water outlet, a nitrogen outlet and a sludge outlet; the sedimentation flocculation chamber shell is of a cylindrical structure, 2 sedimentation flocculation chamber water inlets are formed in the top of the sedimentation flocculation chamber shell, 2 scattering cones are arranged under the 2 sedimentation flocculation chamber water inlets, the scattering cones are arranged in a cone structure, the bottoms of the scattering cones are fixedly connected with the vertical through pipe, the vertical through pipe is hollow and vertically arranged, a treated water outlet is formed in the upper part of the vertical through pipe, which is close to the scattering cones, and comprises an outlet top plate and an outlet bottom plate, the outlet top plate and the outlet bottom plate are in inverted funnel shapes, and the bottom of the vertical through pipe is communicated with the outlet of the first liquid recovery chamber; a nitrogen outlet is arranged at the uppermost part of the side wall of the sedimentation and flocculation chamber shell; a sludge outlet is arranged at the bottom of the sedimentation and flocculation chamber shell, and the sludge outlet is arranged in a downward sunken structure; the sludge collection chamber comprises a sludge collection chamber shell and a sludge collection chamber inlet, and the sludge collection chamber inlet is communicated with the sludge outlet; the first liquid recovery chamber outlet comprises an outlet conduit and a liquid pump disposed on the outlet conduit; the outlet pipeline is communicated with the bottom of the vertical pipe, and the liquid pump is used for pumping liquid from the first liquid recovery chamber to the first absorption chamber through the first liquid reflux port.
The second liquid recovery chamber is identical in structure to the first liquid recovery chamber and communicated with the second absorption chamber through a second liquid recovery outlet and a second liquid return port.
The flow guide piece enables the flue gas entering from the flue gas inlet to upwards flow along the outer arc surface of the flow guide piece, and enables part of the flue gas to collide with the inside of the end surface of the oxidation chamber shell and then upwards flow. The flow guide piece is a transverse arc plate.
The second transverse pipe is inclined in a direction such that the end connected with the second vertical pipe is higher. And the inclined angle of the second transverse pipe is 2.8 ︒ from the horizontal direction.
The third violently pipe is the slope setting, and the incline direction for make with the one end that the third standpipe is connected is lower, the incline angle of third violently pipe is for being 2.8 ︒ with the horizontal direction contained angle.
The number ratio of the lime particles to the aluminum balls is 1: 2.8.

Claims (8)

1. The environment-friendly device for recycling and treating smoke dust is characterized by comprising an oxidation chamber, a first absorption chamber, a second liquid recycling chamber, a first liquid recycling chamber and a gas drying chamber;
the oxidation chamber comprises an oxidation chamber shell, a flue gas inlet, an oxidation chamber outlet, a flow guide piece, an ozone nozzle, an ozone gas supply part, a gas outlet pipeline and a gas pump; the oxidation chamber shell is of a transverse cylindrical structure, a smoke inlet is formed in one end of the lower side of the oxidation chamber shell, the smoke inlet is inclined to the oxidation chamber shell, the inclined direction of the smoke inlet faces the inner side of one end face A of the oxidation chamber shell, a flow guide piece is arranged in the oxidation chamber shell on the upper portion of the smoke inlet, the flow guide piece is arranged in a convex mode facing one side of the end face A, an ozone nozzle is arranged on the upper portion of the end face A, the ozone nozzle is horizontally arranged, the spraying direction of the ozone nozzle faces the other end face B of the oxidation chamber shell, and an ozone air supply component is arranged outside the oxidation chamber shell on the rear portion of the ozone nozzle; an oxidation chamber outlet is formed in the upper part of the other end face B, one end of the gas outlet pipeline is communicated with the oxidation chamber outlet, the other end of the gas outlet pipeline is communicated with a first absorption chamber inlet of the first absorption chamber, and the gas outlet pipeline is provided with a gas pump which is used for pumping flue gas in the oxidation chamber into the first absorption chamber;
the first absorption chamber is arranged at the lowest part of the smoke dust recovery and treatment environment-friendly device and comprises a first absorption chamber shell, a first absorption chamber inlet, a first vertical pipe, a first horizontal pipe, a second vertical pipe, a second horizontal pipe and a first pipeline opening part; the first absorption chamber shell is filled with NaOH solution; the first absorption chamber inlet is arranged on one side of the lower end of the first absorption chamber shell, one end of the first absorption chamber inlet is communicated with the air outlet pipeline, the other end of the first absorption chamber inlet is communicated with a first vertical pipe, the top end of the first vertical pipe is communicated with the first transverse pipe, the other end of the first transverse pipe is communicated with the bottom end of a second vertical pipe, the top end of the second vertical pipe is communicated with the second transverse pipe, the first transverse pipe is horizontally arranged, and the second transverse pipe is obliquely arranged; one or more first pipeline opening parts are arranged on the first vertical pipe and the second vertical pipe, the first pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the first vertical pipe and the second vertical pipe, and the inside of the first pipeline opening parts is communicated with the outside of the pipe; a first liquid recovery outlet and a first liquid return port which are communicated with the first liquid recovery chamber are arranged on the side part of the first absorption chamber shell;
the second absorption chamber is arranged at the upper part of the first absorption chamber and comprises a second absorption chamber shell, a second absorption chamber inlet, a second absorption chamber outlet, a third vertical pipe, a third horizontal pipe, a fourth vertical pipe, a fourth horizontal pipe and a second pipeline opening part; the second absorption chamber is filled with Na2S solution; the second absorption chamber outlet is arranged on one side of the top of the second absorption chamber shell, the second absorption chamber inlet is arranged on the lower portion of the side wall of the second absorption chamber shell, one end of the second absorption chamber inlet is communicated with the second transverse pipe through a pipeline, the other end of the second absorption chamber inlet is communicated with one end of the third transverse pipe, the other end of the third transverse pipe is communicated with the bottom of the third vertical pipe, the top end of the third vertical pipe is communicated with one end of the fourth transverse pipe, the other end of the fourth transverse pipe is communicated with the bottom end of the fourth vertical pipe, and the top end of the fourth vertical pipe is communicated with the second absorption chamber outlet; one or more second pipeline opening parts are arranged on the third vertical pipe and the fourth vertical pipe, the second pipeline opening parts are arranged in an inverted funnel structure, the funnel parts protrude out of the pipe walls of the third vertical pipe and the fourth vertical pipe, and the inside of the pipe is communicated with the outside of the pipe through the second pipeline opening parts; a second liquid recovery outlet and a second liquid return port which are communicated with the second liquid recovery chamber are arranged on the side part of the second absorption chamber shell;
the gas drying chamber comprises a drying chamber shell, a drying chamber inlet, a filter plate and a flue gas outlet; the drying chamber shell is of a cuboid structure, one end of the bottom of the drying chamber shell is provided with a drying chamber inlet, the drying chamber inlet is communicated with the second absorption chamber outlet through a pipeline, a filter plate is arranged in the drying chamber shell, and the filter plate transversely penetrates through the whole drying chamber shell and is used for adsorbing moisture in gas; a flue gas outlet is arranged at the top of the drying chamber shell;
the first liquid recovery chamber comprises a first liquid recovery chamber inlet, a first liquid recovery chamber outlet, a drying absorption chamber, a sludge collection chamber and a precipitation flocculation chamber; the inlet of the first liquid recovery chamber is communicated with the first liquid recovery outlet, and the drying and absorbing chamber comprises a drying and absorbing chamber shell, a drying and absorbing chamber inlet and a drying and absorbing chamber outlet; lime particles and aluminum balls are uniformly filled in the drying absorption chamber shell, the inlet of the drying absorption chamber is communicated with the inlet of the first liquid recovery chamber through a pipeline, and 2 outlets of the drying absorption chamber are arranged at the bottom of the drying absorption chamber shell; the sedimentation flocculation chamber comprises a sedimentation flocculation chamber shell, a sedimentation flocculation chamber water inlet, a scattering cone, a vertical through pipe, an outlet top plate, an outlet bottom plate, a treated water outlet, a nitrogen outlet and a sludge outlet; the sedimentation flocculation chamber shell is of a cylindrical structure, 2 sedimentation flocculation chamber water inlets are formed in the top of the sedimentation flocculation chamber shell, 2 scattering cones are arranged under the 2 sedimentation flocculation chamber water inlets, the scattering cones are arranged in a cone structure, the bottoms of the scattering cones are fixedly connected with the vertical through pipe, the vertical through pipe is hollow and vertically arranged, a treated water outlet is formed in the upper part of the vertical through pipe, which is close to the scattering cones, and comprises an outlet top plate and an outlet bottom plate, the outlet top plate and the outlet bottom plate are in inverted funnel shapes, and the bottom of the vertical through pipe is communicated with the outlet of the first liquid recovery chamber; a nitrogen outlet is arranged at the uppermost part of the side wall of the sedimentation and flocculation chamber shell; a sludge outlet is arranged at the bottom of the sedimentation and flocculation chamber shell, and the sludge outlet is arranged in a downward sunken structure; the sludge collection chamber comprises a sludge collection chamber shell and a sludge collection chamber inlet, and the sludge collection chamber inlet is communicated with the sludge outlet; the first liquid recovery chamber outlet comprises an outlet conduit and a liquid pump disposed on the outlet conduit; the outlet pipeline is communicated with the bottom of the vertical pipe, and the liquid pump is used for pumping liquid from the first liquid recovery chamber to the first absorption chamber through the first liquid reflux port;
the second liquid recovery chamber is identical in structure to the first liquid recovery chamber and communicated with the second absorption chamber through a second liquid recovery outlet and a second liquid return port.
2. The environment-friendly flue dust recycling device according to claim 1, wherein the flow guide member enables flue gas entering from the flue gas inlet to flow upwards along the outer arc surface of the flow guide member, and enables part of the flue gas to collide with the inner part of the end surface of the oxidation chamber shell and then flow upwards.
3. The environmental protection device for flue dust recycling according to claim 1, wherein the second horizontal tube is inclined in such a direction that the end connected to the second vertical tube is higher.
4. The environment-friendly device for recycling and treating smoke dust according to any one of claims 1 to 3, wherein the inclination angle of the second transverse pipe is 1-3 ︒ from the horizontal direction.
5. The environmental protection device for smoke dust recovery and treatment according to claim 1, wherein the lower parts of said first duct opening part and said second duct opening part are also provided with a baffle plate with a funnel structure for enabling liquid to flow into the duct along the upper part of the baffle plate.
6. The environment-friendly smoke dust recycling device according to claim 1, wherein the third horizontal pipe is inclined in such a direction that the end connected with the third vertical pipe is lower, and the inclination angle of the third horizontal pipe is 1-3 ︒ from the horizontal direction.
7. The environment-friendly device for recycling and treating smoke dust according to claim 1, wherein the number ratio of the lime particles to the aluminum balls is 1: 1-3.
8. The environment-friendly device for recycling and treating smoke dust according to claim 1, wherein the number ratio of the lime particles to the aluminum balls is 1: 1.5.
CN201711397893.8A 2017-12-21 2017-12-21 Smoke and dust recovery processing environment-friendly device Active CN107983121B (en)

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