CN110732207A - waste gas purification device for thermal power plant - Google Patents

waste gas purification device for thermal power plant Download PDF

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Publication number
CN110732207A
CN110732207A CN201911084095.9A CN201911084095A CN110732207A CN 110732207 A CN110732207 A CN 110732207A CN 201911084095 A CN201911084095 A CN 201911084095A CN 110732207 A CN110732207 A CN 110732207A
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CN
China
Prior art keywords
water tank
fixedly connected
thermal power
gas purification
power plant
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.)
Withdrawn
Application number
CN201911084095.9A
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Chinese (zh)
Inventor
曾万华
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.)
Ganzhou Yingjiang Technology Co Ltd
Original Assignee
Ganzhou Yingjiang Technology Co Ltd
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 Ganzhou Yingjiang Technology Co Ltd filed Critical Ganzhou Yingjiang Technology Co Ltd
Priority to CN201911084095.9A priority Critical patent/CN110732207A/en
Publication of CN110732207A publication Critical patent/CN110732207A/en
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D47/02—Separating 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
    • 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
    • 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
    • B01D53/62—Carbon oxides
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
    • F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
    • F25D3/102—Stationary cabinets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
    • F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
    • F28F13/12—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation
    • F28F13/125—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media by creating turbulence, e.g. by stirring, by increasing the force of circulation by stirring
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2247/00—Details relating to the separation of dispersed particles from gases, air or vapours by liquid as separating agent
    • B01D2247/04—Regenerating the washing fluid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2257/00—Components to be removed
    • B01D2257/50—Carbon oxides
    • B01D2257/504—Carbon dioxide

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

Abstract

The invention relates to the technical field of waste gas purification, in particular to a waste gas purification device for a thermal power plant, which comprises a shell, wherein a supporting block is fixedly connected and arranged at the bottom of the inner side of the shell, a groove is arranged at the top end of the supporting block, a water tank fixedly connected with the supporting block is arranged inside the groove, the top end of the water tank is fixedly connected with an air inlet pipe, a fixing plate fixedly connected with the shell is arranged on the upper side of the water tank, an alkali liquid purification bin is fixedly connected and arranged at the top of the fixing plate, a fan is arranged inside an air guide pipe, and the output end of the alkali liquid purification bin is connected with an exhaust pipe.

Description

waste gas purification device for thermal power plant
Technical Field
The invention relates to the technical field of waste gas purification, in particular to an waste gas purification device for a thermal power plant.
Background
The current life of the people with the progress of the times is still in the process of combustion, the current cooking needs to burn fuel, the production of chemical products needs to achieve the expected effect through combustion and heating, the power generation of a thermal power plant and the work of an internal combustion engine, but exhaust gas is generated along with the consumption of the fuel, pollutants contained in the exhaust gas of the thermal power plant are mainly acid gases, silicon dust and the like, the acid gases comprise carbon dioxide and sulfur dioxide, and the silicon dust is mainly free silicon dioxide fine particles.
In view of the above situation, there is a strong need to develop types of exhaust gas purification devices for thermal power plants to overcome the shortcomings of the current practical applications.
Disclosure of Invention
The invention aims to provide kinds of waste gas purification devices of thermal power plants to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
kind of thermal power factory exhaust gas purification device, which comprises a housin, inboard bottom fixed connection of casing is provided with the supporting shoe, the supporting shoe top is provided with the recess, the recess inboard is provided with the water tank with supporting shoe fixed connection, water tank top and intake pipe fixed connection, the water tank upside be provided with casing fixed connection's fixed plate, fixed plate top fixed connection is provided with alkali lye and purifies the storehouse, be connected through the air duct between alkali lye purification storehouse and the water tank, the air duct inboard is provided with the fan, alkali lye purification storehouse output is connected with the blast pipe.
According to the scheme of the invention in step , a motor is arranged at the top of the water tank, a support seat fixedly connected with the water tank is arranged at the bottom of the motor, the motor is connected with the support seat through a bolt, and the output end of the lower side of the motor is connected with a stirring rod arranged at the inner side of the water tank.
According to the scheme of steps, a liquid nitrogen tank is fixedly connected to the left side of the shell, the output end of the liquid nitrogen tank is connected with a water pump, a water pump is arranged on the left side of the shell in a bolted connection mode, the output end of the water pump is communicated with a groove in the inner side of the supporting block through a pipeline, an air outlet pipe is fixedly connected to the right side of the top end of the supporting block, a pressure valve is arranged at the connection position of the air outlet pipe and the supporting block, a liquid level sensor is arranged on the lower side of the air outlet pipe.
According to the scheme of the step , the inner side of the top end of the supporting block is fixedly connected with a limiting block, the outer side of the top end of the water tank is fixedly connected with a clamping block corresponding to the limiting block, and the clamping block is connected with the limiting block through a bolt.
According to the scheme of the step , a filter fixedly connected with the shell is arranged on the upper side of the right end of the water tank, the input end of the filter is connected with the water tank through a water suction pipe, and the output end of the filter is connected with the water tank through a water outlet pipe.
According to the scheme of , the filter comprises a shell, a second water pump is arranged at the bottom end of the inner side of the shell in a bolted connection mode, a partition plate fixedly connected with the shell is arranged on the upper side of the second water pump, the output end of the second water pump is connected with the partition plate, and a plurality of filter screens detachably connected with the shell are arranged on the upper side of the partition plate.
According to the scheme of the invention in step , a second stirring rod is connected to the bearing at the inner side of the alkali liquor purification bin, and the second stirring rod is meshed with the stirring rod through a gear.
Compared with the prior art, the invention has the beneficial effects that:
through setting up puddler, can make the silicon dust in the waste gas condense in aqueous, make high temperature waste gas temperature reduce simultaneously, through setting up the liquid nitrogen container, utilize liquid nitrogen gasification heat absorption, can make the inboard water of water tank remain the low temperature throughout, effectively realize the cooling to waste gas, through setting up the filter, can purify the water in the water tank, filter the impurity that the silicon dust condenses in aqueous, the validity to silicon dust purification in the waste gas has been guaranteed, through setting up the second puddler, make waste gas and alkali lye fully contact, make the acid-base more abundant with.
Drawings
Fig. 1 is a schematic structural view of an exhaust gas purification apparatus of a thermal power plant.
Fig. 2 is a schematic diagram showing the structure of a filter in an exhaust gas purification apparatus for a thermal power plant.
Fig. 3 is an enlarged schematic view of a portion a in fig. 1.
Fig. 4 is a schematic structural diagram of a support block in the exhaust gas purification apparatus of the thermal power plant.
In the figure, 1-shell, 2-air inlet pipe, 3-supporting block, 4-groove, 5-water tank, 6-motor, 7- th stirring rod, 8-liquid nitrogen tank, 9- th water pump, 10-water suction pipe, 11-filter, 12-water outlet pipe, 13-fixing plate, 14-alkali liquor purification bin, 15-second stirring rod, 16-air guide pipe, 17-air outlet pipe, 18-drying box, 19-second water pump, 20-partition plate, 21-filter screen, 22-air outlet pipe, 23-limiting block and 24-liquid level sensor.
Detailed Description
The technical solution of the present patent will be described in further detail in with reference to specific embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise expressly stated or limited, the terms "mounted," "connected," and "disposed" are intended to be construed , and for example may be fixedly connected, disposed, or removably connected, disposed, or physically connected, disposed.
Example 1
Referring to fig. 1-4, in the embodiment of the present invention, waste gas purification devices for thermal power plants include a housing 1, a support block 3 is fixedly connected to the bottom of the inside of the housing 1, a groove 4 is formed at the top end of the support block 3, a water tank 5 fixedly connected to the support block 3 is arranged inside the groove 4, the top end of the water tank 5 is fixedly connected to an air inlet pipe 2, a fixing plate 13 fixedly connected to the housing 1 is arranged on the upper side of the water tank 5, an alkali purification bin 14 is fixedly connected to the top of the fixing plate 13, the alkali purification bin 14 is connected to the water tank 5 through an air duct 16, a fan is arranged inside the air duct 16, and the output end of the alkali purification bin.
Example 2
In this embodiment, water tank 5 top is provided with motor 6, motor 6 bottom is provided with the supporting seat with water tank 5 fixed connection, motor 6 and supporting seat bolted connection, motor 6 downside output is connected with the puddler 7 of setting at the inboard of water tank 5, through setting up puddler 7, can make the silicon dust in the waste gas condense in aqueous, makes high temperature waste gas temperature reduce simultaneously.
In this embodiment, 1 left side fixed connection of casing is provided with liquid nitrogen container 8, 8 output ends of liquid nitrogen container are connected with water pump 9, water pump 9 bolted connection sets up in 1 left side of casing, water pump 9 output passes through pipeline and 3 inboard recess 4 intercommunications of supporting shoe, 3 top right sides fixed connection of supporting shoe is provided with outlet duct 22, outlet duct 22 is provided with the pressure valve with 3 junctions of supporting shoe, the outlet duct 22 downside is provided with level sensor 24, level sensor 2 and 3 fixed connection of supporting shoe, through setting up liquid nitrogen container 8, utilize liquid nitrogen gasification heat absorption, can make 5 inboard water of water tank keep low temperature throughout, effectively realize the cooling to waste gas.
In this embodiment, the inboard fixed connection in 3 top ends of supporting shoe is provided with stopper 23, 5 top outside fixed connection of water tank is provided with the fixture block corresponding with stopper 23, fixture block and stopper 23 bolted connection.
In this embodiment, 5 right-hand members upside of water tank is provided with filter 11 with 1 fixed connection of casing, filter 11 input is connected with water tank 5 through the pipe 10 that absorbs water, 11 outputs of filter are connected with water tank 5 through outlet pipe 12, through setting up filter 11, can purify the water in the water tank 5, filters the impurity that the silicon dust condenses in aqueous, has guaranteed the validity to silicon dust purification in the waste gas.
In this embodiment, filter 11 includes the shell, the inboard bottom bolted connection of shell is provided with second water pump 19, 19 upsides of second water pump are provided with the baffle 20 with shell fixed connection, 19 output ends of second water pump are connected with baffle 20, 20 upsides of baffle are provided with a plurality of filter screens 21 of dismantling the connection with the shell.
In this embodiment, the bearing connection in the inside of alkali lye purification bin 14 is provided with second puddler 15, connect through gear engagement between second puddler 15 and the puddler 7, through setting up second puddler 15, make waste gas and alkali lye fully contact for the acid-base neutralization is more abundant.
In this embodiment, the exhaust pipe 17 is fixedly connected with a drying box 18, and a drying agent is disposed inside the drying box 18.
This thermal power factory exhaust gas purification device, through setting up puddler 7, can make the silicon dust in the waste gas condense in aqueous, make high temperature waste gas temperature reduce simultaneously, through setting up liquid nitrogen container 8, utilize liquid nitrogen gasification heat absorption, can make the inboard water of water tank 5 keep the low temperature all the time, effectively realize the cooling to waste gas, through setting up filter 11, can purify the water in the water tank 5, filter the impurity that the silicon dust condenses in aqueous, the validity of silicon dust purification in the waste gas has been guaranteed, through setting up second puddler 15, make waste gas and alkali lye fully contact, make the acid-base neutralization more abundant.
The working principle of the invention is that waste gas enters a water tank 5 from an air inlet pipe 2, a motor 6 drives an stirring rod 7 to rotate, silicon dust in the waste gas is condensed in water, the temperature of high-temperature waste gas is reduced, then the waste gas enters an alkali liquid purification bin 14 under the action of a fan on the inner side of an air guide pipe 16, a second stirring rod 15 rotates under the action of a gear, the waste gas is fully contacted with alkali liquid, acid and alkali are more fully neutralized, after -end time of purification, the temperature of the water in the water tank 5 rises and impurities become more, a valve in the air inlet pipe 2 is closed, a second water pump 19 is started, water in the water tank 5 is filtered by a filter 11 and then is recovered to be clean, meanwhile, a -th water pump 9 sends liquid nitrogen in a liquid nitrogen tank 8 into a groove 4 on the inner side of a supporting block 3, the liquid nitrogen gasifies and absorbs heat, so that the water on the inner side of the water tank.
The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims (7)

  1. The utility model provides an kind of thermal power factory exhaust gas purification device, including casing (1), its characterized in that, casing (1) inboard bottom fixed connection is provided with supporting shoe (3), supporting shoe (3) top is provided with recess (4), recess (4) inboard is provided with water tank (5) with supporting shoe (3) fixed connection, water tank (5) top and intake pipe (2) fixed connection, water tank (5) upside is provided with fixed plate (13) with casing (1) fixed connection, fixed plate (13) top fixed connection is provided with alkali lye purification storehouse (14), be connected through air duct (16) between alkali lye purification storehouse (14) and water tank (5), air duct (16) inboard is provided with the fan, alkali lye purification storehouse (14) output is connected with blast pipe (17).
  2. 2. The exhaust gas purification device of a thermal power plant according to claim 1, wherein a motor (6) is arranged at the top of the water tank (5), a support seat fixedly connected with the water tank (5) is arranged at the bottom of the motor (6), the motor (6) is connected with the support seat through a bolt, and the output end at the lower side of the motor (6) is connected with an stirring rod (7) arranged at the inner side of the water tank (5).
  3. 3. The exhaust gas purification device of a thermal power plant according to claim 2, wherein a liquid nitrogen tank (8) is fixedly connected to the left side of the casing (1), an output end of the liquid nitrogen tank (8) is connected with an th water pump (9), the th water pump (9) is arranged on the left side of the casing (1) in a bolt connection manner, an output end of the th water pump (9) is communicated with the groove (4) on the inner side of the supporting block (3) through a pipeline, an outlet pipe (22) is fixedly connected to the right side of the top end of the supporting block (3), a pressure valve is arranged at a joint of the outlet pipe (22) and the supporting block (3), a liquid level sensor (24) is arranged on the lower side of the outlet pipe (22), and the liquid level sensor (2).
  4. 4. The exhaust gas purification device of a thermal power plant according to claim 3, wherein a limit block (23) is fixedly connected to the inner side of the top end of the support block (3), a clamping block corresponding to the limit block (23) is fixedly connected to the outer side of the top end of the water tank (5), and the clamping block is connected with the limit block (23) through bolts.
  5. 5. Exhaust gas purification device of a thermal power plant according to claim 1, characterized in that a filter (11) fixedly connected with the housing (1) is arranged on the upper side of the right end of the water tank (5), the input end of the filter (11) is connected with the water tank (5) through a water suction pipe (10), and the output end of the filter (11) is connected with the water tank (5) through a water outlet pipe (12).
  6. 6. The exhaust gas purification device of a thermal power plant according to claim 5, wherein the filter (11) comprises a housing, a second water pump (19) is arranged at the bottom end of the inside of the housing in a bolted connection manner, a partition plate (20) fixedly connected with the housing is arranged on the upper side of the second water pump (19), the output end of the second water pump (19) is connected with the partition plate (20), and a plurality of filter screens (21) detachably connected with the housing are arranged on the upper side of the partition plate (20).
  7. 7. The waste gas purification device of a thermal power plant according to claim 2, characterized in that a second stirring rod (15) is arranged inside the alkali liquor purification bin (14) in a bearing connection mode, and the second stirring rod (15) is connected with the th stirring rod (7) through gear meshing.
CN201911084095.9A 2019-11-07 2019-11-07 waste gas purification device for thermal power plant Withdrawn CN110732207A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911084095.9A CN110732207A (en) 2019-11-07 2019-11-07 waste gas purification device for thermal power plant

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911084095.9A CN110732207A (en) 2019-11-07 2019-11-07 waste gas purification device for thermal power plant

Publications (1)

Publication Number Publication Date
CN110732207A true CN110732207A (en) 2020-01-31

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911084095.9A Withdrawn CN110732207A (en) 2019-11-07 2019-11-07 waste gas purification device for thermal power plant

Country Status (1)

Country Link
CN (1) CN110732207A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545010A (en) * 2020-04-24 2020-08-18 付纯 Treatment method of coking VOC waste gas

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111545010A (en) * 2020-04-24 2020-08-18 付纯 Treatment method of coking VOC waste gas

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Application publication date: 20200131