CN110898595A - Power plant exhaust treatment device - Google Patents

Power plant exhaust treatment device Download PDF

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Publication number
CN110898595A
CN110898595A CN201911282028.8A CN201911282028A CN110898595A CN 110898595 A CN110898595 A CN 110898595A CN 201911282028 A CN201911282028 A CN 201911282028A CN 110898595 A CN110898595 A CN 110898595A
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CN
China
Prior art keywords
waste gas
gas treatment
pipe
power plant
treatment tank
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Pending
Application number
CN201911282028.8A
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Chinese (zh)
Inventor
陈俊兆
Original Assignee
陈俊兆
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Application filed by 陈俊兆 filed Critical 陈俊兆
Priority to CN201911282028.8A priority Critical patent/CN110898595A/en
Publication of CN110898595A publication Critical patent/CN110898595A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D50/00Combinations of devices for separating particles from gases or vapours
    • B01D50/004Combinations of devices relating to groups B01D45/00 and B01D47/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2258/00Sources of waste gases
    • B01D2258/02Other waste gases

Abstract

The invention discloses a power plant waste gas treatment device, which belongs to the technical field of waste gas treatment equipment and comprises a waste gas treatment tank, a dust removal nozzle, an atomizing nozzle and a cyclone separator, wherein a waste gas uniform distribution pipe is arranged on the inner wall of the waste gas treatment tank and is communicated with a waste gas input pipe of a power plant, the waste gas uniform distribution pipe is communicated with an atomizing mixing chamber, the atomizing mixing chamber is arranged in the dust removal nozzle, the atomizing nozzle is arranged in the dust removal nozzle, a plurality of dust removal nozzles are arranged on the inner wall of the waste gas treatment tank, the waste gas and water mist of the power plant are introduced into the atomizing mixing chamber, are sprayed into the waste gas treatment tank after being mixed to flow in a vortex shape and are mixed, the combination and sedimentation of smoke dust and the water mist in the waste gas are facilitated, the waste heat of the smoke and the water mist is also facilitated to be absorbed and utilized, the water resource is recycled, the, is convenient and quick.

Description

Power plant exhaust treatment device
Technical Field
The invention relates to the technical field of waste gas treatment equipment, in particular to a waste gas treatment device for a power plant.
Background
The power plant mainly uses coal as energy supply, flue gas generated by a coal-fired boiler used for power generation of the thermal power plant is the most main pollution source in the power industry, and waste gas of the coal-fired power plant mainly comes from flue gas generated by boiler combustion, exhaust gas of a middle ash bin of a pneumatic ash conveying system, dust-containing waste gas generated by a coal yard, and coal dust generated by coal yard, raw coal crushing and coal conveying. If the waste gas is directly discharged into the atmosphere without being treated, the waste gas not only pollutes the surrounding environment, but also causes great raw material consumption, and simultaneously causes certain influence on the image of an enterprise, so that the waste gas must be treated. Meanwhile, with the continuous attention and investment on the waste gas energy recycling device, the waste gas can be conveniently recycled.
However, the existing exhaust gas treatment equipment cannot fully utilize the waste heat of the discharged exhaust gas, can not well remove the smoke dust in the exhaust gas, and is difficult to filter the particulate matters contained in the exhaust gas, so that a large amount of particulate matters pollute the air. Therefore, it is desirable to provide a power plant exhaust gas treatment device, which aims to solve the above problems.
Disclosure of Invention
In view of the shortcomings in the prior art, an object of the present invention is to provide an exhaust gas treatment device for a power plant, so as to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
a power plant waste gas treatment device comprises a waste gas treatment tank, a dust removal nozzle, an atomizing nozzle and a cyclone separator, wherein a waste gas uniform distribution pipe is arranged on the inner wall of the waste gas treatment tank and is communicated with a waste gas input pipe of a power plant, the waste gas uniform distribution pipe is communicated with an atomizing mixing chamber, the atomizing mixing chamber is arranged in the dust removal nozzle, the atomizing nozzle is arranged in the dust removal nozzle, and the atomizing nozzle is arranged in the atomizing mixing chamber;
the waste gas treatment tank is internally provided with a cyclone separator, the inner wall of the waste gas treatment tank is provided with an upper partition plate, the upper partition plate is provided with a flow guide hole, the bottom of the flow guide hole is communicated with the cyclone separator, the top of the flow guide hole is communicated with a purification cavity, the top of the waste gas treatment tank is provided with an air blower, the air blower is connected with an exhaust pipe, and the exhaust pipe is communicated with the purification cavity.
As a further scheme of the invention, the waste gas uniform distribution pipes are annularly distributed on the inner wall of the waste gas treatment tank, the dust removal nozzles are distributed on the inner wall of the waste gas treatment tank at equal intervals, and the dust removal nozzles are arranged along the tangential direction of the inner wall of the waste gas treatment tank.
As a further scheme of the invention, the atomizing nozzles are connected with a water supply main pipe through water supply branch pipes, the water supply main pipe is annularly distributed on the outer wall of the waste gas treatment tank, the water supply main pipe is connected with a water inlet pipe, and the water inlet pipe is connected with a high-pressure water pump.
As a further scheme of the invention, the high-pressure water pump is connected with the circulating pipe, the circulating pipe is provided with the refrigeration box and the filter box, the refrigeration box is internally provided with the heat exchange pipe, the filter box is internally provided with the filter element, and the filter element is communicated with the water storage tank through the water pumping pipe.
As a further scheme of the invention, the water storage tank is arranged inside the waste gas treatment tank, the bottom of the waste gas treatment tank is provided with a precipitation tank, and the bottom side of the precipitation tank is connected with a sewage discharge pipe.
As a further scheme of the invention, the cyclone separator comprises a filter bag and a filter frame, the filter bag is sleeved on the filter frame, the top of the filter frame is connected with an upper partition plate, and the interior of the filter bag is communicated with the purification cavity through a flow guide hole.
As a further scheme of the invention, a defogging silk screen is arranged in the purification cavity, and an active carbon layer is arranged above the defogging silk screen.
In summary, compared with the prior art, the embodiment of the invention has the following beneficial effects:
according to the power plant waste gas treatment device, the dust removal nozzles are arranged on the inner wall of the waste gas treatment tank, the waste gas and the water mist of the power plant are introduced into the atomization mixing chamber, are sprayed into the waste gas treatment tank after being mixed to flow in a vortex shape and be mixed, the combination and sedimentation of the smoke dust and the water mist in the waste gas are facilitated, the water mist can absorb and utilize the waste heat of the smoke, the water resource is recycled, the energy is saved, the environment is protected, and the cyclone separator is used for filtering again, so that the waste gas treatment effect is improved, and the device is convenient and quick.
To more clearly illustrate the structural features and effects of the present invention, the present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the invention.
FIG. 2 is a schematic structural diagram of a dust removal nozzle in an embodiment of the present invention.
FIG. 3 is a schematic structural diagram of vortex-shaped flow of flue gas and water mist in the waste gas treatment tank in the embodiment of the invention.
Reference numerals: 1-a waste gas treatment tank, 2-a waste gas input pipe of a power plant, 3-a waste gas uniform distribution pipe, 4-an atomization mixing chamber, 5-a dust removal nozzle, 6-an atomization nozzle, 7-a water supply branch pipe, 8-a water supply main pipe, 9-a water inlet pipe, 10-a high-pressure water pump, 11-a circulating pipe, 12-a refrigeration box, 13-a heat exchange pipe, 14-a filter box, 15-a filter element, 16-a water pumping pipe, 17-a precipitation tank, 18-a blow-off pipe, 19-a water storage tank, 20-a cyclone separator, 21-a filter bag, 22-a filter frame, 23-an upper partition plate, 24-a flow guide hole, 25-a demisting wire mesh, 26-an activated carbon layer, 27-a purification cavity, 28-an air blower.
Detailed Description
The technical solution of the present invention is further described with reference to the accompanying drawings and specific embodiments.
Example 1
Referring to fig. 1 to 3, a power plant exhaust gas treatment device comprises an exhaust gas treatment tank 1, a dust removal nozzle 5, an atomizing nozzle 6 and a cyclone separator 20, the inner wall of the waste gas treatment tank 1 is provided with a waste gas uniform distribution pipe 3, the waste gas uniform distribution pipe 3 is communicated with a waste gas input pipe 2 of a power plant, used for conveying the waste gas of the power plant into the waste gas uniform distribution pipe 3 through the waste gas input pipe 2 of the power plant, in the invention, the waste gas uniform distribution pipes 3 are annularly distributed on the inner wall of the waste gas treatment tank 1, the waste gas uniform distribution pipes 3 are communicated with the atomizing and mixing chamber 4, the atomizing and mixing chamber 4 is arranged in the dust removal nozzle 5, the dust removal nozzles 5 are distributed on the inner wall of the waste gas treatment tank 1 at equal intervals, and the dust removal nozzle 5 is arranged along the tangential direction of the inner wall of the waste gas treatment tank 1, so that the smoke gas flows in a vortex shape when being blown into the waste gas treatment tank 1.
5 internally mounted of dust removal nozzle has atomizing nozzle 6, and atomizing nozzle 6 sets up in atomizing mixing chamber 4, atomizing nozzle 6 connects water main 8 through water supply branch 7, and water main 8 is cyclic annular distribution on exhaust-gas treatment jar 1 outer wall, water main 8 connects inlet tube 9, and inlet tube 9 connects high pressure water pump 10, and high pressure water pump 10 connects circulating pipe 11, installs refrigeration case 12 and rose box 14 on the circulating pipe 11, installs heat exchange tube 13 in the refrigeration case 12, installs filter core 15 in the rose box 14, and filter core 15 passes through drinking-water pipe 16 intercommunication aqua storage tank 19, and aqua storage tank 19 sets up inside exhaust-gas treatment jar 1, and exhaust-gas treatment jar 1 bottom is established to precipitation tank 17, and blowdown pipe 18 is connected to precipitation tank 17 bottom side.
When power plant waste gas is blown into atomizing mixing chamber 4, high pressure water pump 10 takes the 19 interior water of aqua storage tank out, and after filtering and cooling, from atomizing nozzle 6 blowout to atomizing mixing chamber 4 in, mix the back with the flue gas and spout into in the exhaust-gas treatment jar 1 from dust removal nozzle 5, thereby make flue gas and water smoke be vortex form and flow, the effect that dust and water smoke combined together in the flue gas has been improved, and, also do benefit to the waste heat absorption in water smoke with the flue gas, collect the aqua storage tank 19 in the end, the dust deposits to the precipitation tank 17 in.
The waste gas treatment tank 1 is also internally provided with a cyclone separator 20, the cyclone separator 20 comprises a filter bag 21 and a filter frame 22, the filter bag 21 is sleeved on the filter frame 22, the top of the filter frame 22 is connected with an upper partition plate 23, the upper partition plate 23 is fixed on the inner wall of the waste gas treatment tank 1, a purification cavity 27 is arranged in the waste gas treatment tank 1 above the upper partition plate 23, the upper partition plate 23 is also provided with a flow guide hole 24, the interior of the filter bag 21 is communicated with the purification cavity 27 through the flow guide hole 24, a demisting silk screen 25 is arranged in the purification cavity 27, and an active carbon layer 26 is arranged above the demisting silk;
and a blower 28 is installed at the top of the waste gas treatment tank 1, and the blower 28 is connected with an exhaust pipe 29.
After dust-containing flue gas and water mist are conveyed into the waste gas treatment tank 1 through the dust removal nozzle 5, under the further dust removal and filtration of the cyclone separator 20, the flue gas is filtered through the filter bag 21 and enters the purification cavity 27, the water mist is removed through the defogging silk screen 25, and after the activated carbon layer 26 is adsorbed and purified, the clean flue gas is discharged from the exhaust pipe 29.
Example 2
The utility model provides a power plant exhaust treatment device, includes exhaust treatment jar 1, dust removal nozzle 5, atomizing nozzle 6 and cyclone 20, install waste gas equal stringing 3 on the exhaust treatment jar 1 inner wall, waste gas equal stringing 3 intercommunication power plant waste gas input pipe 2, waste gas equal stringing 3 is cyclic annular distribution on exhaust treatment jar 1 inner wall, waste gas equal stringing 3 is linked together with atomizing mixing chamber 4, and atomizing mixing chamber 4 sets up in dust removal nozzle 5, and dust removal nozzle 5 is a plurality of and equidistant distribution on exhaust treatment jar 1 inner wall, and dust removal nozzle 5 sets up along exhaust treatment jar 1 inner wall tangential direction;
different from the embodiment 1, in the embodiment of the invention, the atomizing nozzle 6 can also be installed in the waste gas treatment tank 1, and water mist is directly sprayed on the waste gas treatment tank 1 and combined with the dust-containing flue gas blown into the waste gas treatment tank 1, so that the effects of dust removal and heat exchange are also achieved;
moreover, in the embodiment of the present invention, the atomizing nozzle 6 may also be installed outside the filter bag 21 of the cyclone separator 20, and the water mist is sprayed outside the filter bag 21, so as to facilitate washing of the filter bag 21 and combination with the dust-containing flue gas, and achieve the effects of dust removal and heat exchange.
The rest of the structure of this example is the same as example 1.
The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. Other embodiments of the invention will occur to those skilled in the art without the exercise of inventive faculty, and such will fall within the scope of the invention.

Claims (7)

1. The utility model provides a power plant exhaust treatment device, including exhaust treatment jar (1), dust removal nozzle (5), atomizing nozzle (6) and cyclone (20), a serial communication port, install waste gas equipartition pipe (3) on exhaust treatment jar (1) inner wall, waste gas equipartition pipe (3) intercommunication power plant waste gas input tube (2), waste gas equipartition pipe (3) are linked together with atomizing mixing chamber (4), atomizing mixing chamber (4) set up in dust removal nozzle (5), dust removal nozzle (5) internally mounted has atomizing nozzle (6), atomizing nozzle (6) set up in atomizing mixing chamber (4);
the waste gas treatment tank is characterized in that a cyclone separator (20) is further installed inside the waste gas treatment tank (1), an upper partition plate (23) is installed on the inner wall of the waste gas treatment tank (1), a flow guide hole (24) is formed in the upper partition plate (23), the bottom of the flow guide hole (24) is communicated with the cyclone separator (20), the top of the flow guide hole (24) is communicated with a purification cavity (27), an air blower (28) is installed at the top of the waste gas treatment tank (1), an exhaust pipe (29) is connected with the air blower (28), and the exhaust pipe (29) is communicated with the.
2. The power plant exhaust gas treatment device according to claim 1, wherein the exhaust gas uniform distribution pipes (3) are annularly distributed on the inner wall of the exhaust gas treatment tank (1), the dust removal nozzles (5) are distributed on the inner wall of the exhaust gas treatment tank (1) at equal intervals, and the dust removal nozzles (5) are arranged along the tangential direction of the inner wall of the exhaust gas treatment tank (1).
3. The power plant exhaust gas treatment device of claim 2, wherein the atomizing nozzles (6) are connected with a water supply main pipe (8) through a water supply branch pipe (7), the water supply main pipe (8) is annularly distributed on the outer wall of the exhaust gas treatment tank (1), the water supply main pipe (8) is connected with a water inlet pipe (9), and the water inlet pipe (9) is connected with a high-pressure water pump (10).
4. The power plant exhaust gas treatment device of claim 3, wherein the high pressure water pump (10) is connected with a circulating pipe (11), a refrigeration box (12) and a filter box (14) are installed on the circulating pipe (11), a heat exchange pipe (13) is installed in the refrigeration box (12), a filter element (15) is installed in the filter box (14), and the filter element (15) is communicated with the water storage tank (19) through a water pumping pipe (16).
5. The power plant exhaust gas treatment device according to claim 4, wherein the water storage tank (19) is arranged inside the exhaust gas treatment tank (1), the bottom of the exhaust gas treatment tank (1) is provided with a settling tank (17), and the bottom side of the settling tank (17) is connected with a sewage discharge pipe (18).
6. The power plant exhaust gas treatment device according to any one of claims 1 to 5, wherein the cyclone separator (20) comprises a filter bag (21) and a filter frame (22), the filter bag (21) is sleeved on the filter frame (22), the top of the filter frame (22) is connected with an upper partition plate (23), and the interior of the filter bag (21) is communicated with the purification cavity (27) through a diversion hole (24).
7. The power plant exhaust gas treatment device according to claim 6, wherein a demisting screen (25) is arranged in the purification chamber (27), and an activated carbon layer (26) is arranged above the demisting screen (25).
CN201911282028.8A 2019-12-13 2019-12-13 Power plant exhaust treatment device Pending CN110898595A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911282028.8A CN110898595A (en) 2019-12-13 2019-12-13 Power plant exhaust treatment device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911282028.8A CN110898595A (en) 2019-12-13 2019-12-13 Power plant exhaust treatment device

Publications (1)

Publication Number Publication Date
CN110898595A true CN110898595A (en) 2020-03-24

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ID=69825430

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911282028.8A Pending CN110898595A (en) 2019-12-13 2019-12-13 Power plant exhaust treatment device

Country Status (1)

Country Link
CN (1) CN110898595A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01155936A (en) * 1987-12-11 1989-06-19 Mitsui Eng & Shipbuild Co Ltd Apparatus for removing acidic component from waste gas of dust incineration furnace
CN1309233A (en) * 2000-02-15 2001-08-22 陈旭禧 Method and unit for treating tail gas of car
CN102861490A (en) * 2011-07-06 2013-01-09 北京思能达节能电气股份有限公司 Atomizing spinning dust removing device
CN107754539A (en) * 2017-11-27 2018-03-06 张士伟 A kind of whirlwind cloth bag compound type dust remover
CN110064268A (en) * 2019-04-09 2019-07-30 中国电器科学研究院股份有限公司 It is a kind of for removing the hybrid cleaner of coating cloud in lacquer spraying waste gas

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01155936A (en) * 1987-12-11 1989-06-19 Mitsui Eng & Shipbuild Co Ltd Apparatus for removing acidic component from waste gas of dust incineration furnace
CN1309233A (en) * 2000-02-15 2001-08-22 陈旭禧 Method and unit for treating tail gas of car
CN102861490A (en) * 2011-07-06 2013-01-09 北京思能达节能电气股份有限公司 Atomizing spinning dust removing device
CN107754539A (en) * 2017-11-27 2018-03-06 张士伟 A kind of whirlwind cloth bag compound type dust remover
CN110064268A (en) * 2019-04-09 2019-07-30 中国电器科学研究院股份有限公司 It is a kind of for removing the hybrid cleaner of coating cloud in lacquer spraying waste gas

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