CN211215953U - Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment - Google Patents
Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment Download PDFInfo
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- CN211215953U CN211215953U CN201921519959.0U CN201921519959U CN211215953U CN 211215953 U CN211215953 U CN 211215953U CN 201921519959 U CN201921519959 U CN 201921519959U CN 211215953 U CN211215953 U CN 211215953U
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Abstract
The utility model discloses a reaction tower for desulfurization and denitrification environmental protection flue gas treatment, in particular to the technical field of spray towers, comprising a reaction tower body, wherein the bottom of the reaction tower body is fixedly provided with a first partition plate, the surface of the first partition plate is fixedly provided with a communicating pipe, the surface of the reaction tower body on one side of the first partition plate is fixedly connected with an air inlet pipe, the top of the first partition plate is provided with a second partition plate, the second partition plate is fixedly connected with the reaction tower body, an air duct is fixedly arranged between the first partition plate and the second partition plate, and the bottom end surface of the second partition plate is fixedly provided with a reaction spray header; the bottom of the reaction tower body is filled with lime water. The utility model discloses a communicating pipe and air duct make things convenient for the flow of waste gas, make things convenient for waste gas and lime wash to carry out oxidation reaction, utilize the packing layer to improve the contact surface of water and gas, waste gas reaction is effectual, makes things convenient for follow-up gaseous degradation to purify, improves gaseous treatment effect.
Description
Technical Field
The invention relates to the technical field of spray towers, in particular to a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment.
Background
The acid mist waste gas is introduced into the purification tower through an air pipe, the acid mist waste gas and the sodium hydroxide absorption liquid are subjected to gas-liquid two-phase full contact absorption neutralization reaction through the packing layer, and the acid mist waste gas is purified and then is discharged into the atmosphere through a fan after being dehydrated and demisted by a demisting plate.
The existing spray tower can only carry out simple spraying operation on gas, gas rainwater can not be in good contact, and gas and water can not be in good contact reaction, so that the gas treatment effect is influenced.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the invention provides the reaction tower for desulfurization and denitrification environment-friendly flue gas treatment, which facilitates the flow of waste gas through the communicating pipe and the gas guide pipe, facilitates the oxidation reaction of the waste gas and lime water, improves the contact surface of water and gas by using the packing layer, has good waste gas reaction effect, facilitates the degradation and purification of subsequent gas, and improves the gas treatment effect, so as to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment comprises a reaction tower body, wherein a first partition plate is fixedly arranged at the bottom of the reaction tower body, a communicating pipe is fixedly arranged on the surface of the first partition plate, an air inlet pipe is fixedly connected to the surface of the reaction tower body on one side of the first partition plate, a second partition plate is arranged at the top of the first partition plate, the second partition plate is fixedly connected with the reaction tower body, an air guide pipe is fixedly arranged between the first partition plate and the second partition plate, and a reaction spray header is fixedly arranged on the bottom end face of the second partition plate;
the reaction tower is characterized in that lime water is filled at the bottom of the reaction tower, an air blowing head is fixedly arranged on the bottom end face of the reaction tower, a gas pipe is fixedly connected to the bottom of the air blowing head, an air pump is fixedly arranged at one end of the gas pipe, and the air pump is arranged on one side of the bottom of the reaction tower;
a third partition plate is arranged at the top of the second partition plate and fixedly connected with the reaction tower body, a first clear water spray header is fixedly arranged on the bottom end face of the third partition plate, a rain cap is fixedly arranged at the top end of the air duct, and a first clear water discharge pipe is fixedly arranged on one side of the second partition plate;
a packing layer is placed on the top end face of the third partition plate, a ventilation insertion pipe is fixedly arranged on the surface of the third partition plate, a first demister is arranged at the top of the packing layer, a second demister is arranged at the top of the first demister, the first demister and the second demister are both fixedly connected with the reaction tower body, a second clear water spray header is fixedly arranged at the bottom of the first demister, and a second clear water discharge pipe is fixedly arranged on one side of the bottom of the packing layer;
the reaction tower body top is fixed with the impeller, impeller top fixedly connected with outlet duct.
In a preferred embodiment, the bottom end of the communicating pipe extends into lime water filled at the bottom of the reaction tower body, the extending length is set to be 10cm, and the top end of the communicating pipe is flush with the surface of the first partition plate.
In a preferred embodiment, the bottom of the air duct penetrates through the first partition plate, the top of the air duct penetrates through the second partition plate, the top end of the air duct extends out of the top end face of the second partition plate, the extending length is set to be 20cm, and the air duct and the communicating pipe are arranged in a staggered mode.
In a preferred embodiment, the rain hat is shaped like a cone, the top end of the air duct extends into the interior of the rain hat, and air outlet holes are formed in two sides of the air duct.
In a preferred embodiment, the packing layer is made of inert solid particulate material and the vented cannula extends into the interior of the packing layer.
In a preferred embodiment, the number of the reaction spray headers is multiple, a sedimentation tank is fixedly arranged on one side of the reaction tower body, a reaction water tank is fixedly arranged on one side of the sedimentation tank, a first delivery pump is fixedly arranged inside the reaction water tank, and a reaction water inlet pipe is fixedly connected between the output of the first delivery pump and the reaction spray headers.
In a preferred embodiment, the top end of the sedimentation tank is communicated with the top end of the reaction water tank, and a connecting pipe is fixedly arranged between the sedimentation tank and the bottom of the reaction tower body.
In a preferred embodiment, a clean water tank is fixedly arranged on one side of the reaction water tank, a second delivery pump is fixedly arranged inside the clean water tank, the number of the first clean water spray headers and the number of the second clean water spray headers are both set to be multiple, and clean water guide pipes are fixedly connected between the first clean water spray headers and the second clean water spray headers and between the second delivery pump and the second delivery pump.
The invention has the technical effects and advantages that:
1. the invention transmits waste gas between a first partition plate and a second partition plate through an air inlet pipe, sprays and removes dust on the waste gas by using a reaction spray head, the waste gas and the water enter lime water arranged at the bottom of a reaction tower body through a communicating pipe, the waste gas reacts with hydroxide in the lime water, the gas is blown in the lime water by using the gas blowing head, the reaction efficiency is improved, the reacted gas is transmitted to the top of the second partition plate through an air guide pipe, clean water spraying is carried out by using a first clean water spray head, the subsequent gas enters the packing layer at the top of a third partition plate by using a ventilating intubation tube, simultaneously, the second clean water spray head carries out clean water spraying on the gas in the packing layer again, the packing layer increases the contact surface of the gas and the clean water, the gas and the clean water are uniformly mixed with each other, the gas treatment effect is improved, and the, compared with the existing spray reaction tower, the waste gas reaction effect is good, the subsequent gas is convenient to degrade and purify, and the gas treatment effect is improved;
2. according to the invention, the sedimentation tank and the reaction water tank are arranged, the bottom of the reaction tower body is connected with the sedimentation tank by the connecting pipe, so that the calcium hydroxide in the lime water and the carbon dioxide are conveniently reacted to generate sediment for treatment, and the top end of the reaction water tank is matched with the top end of the sedimentation tank to be communicated, so that the water after the sediment treatment is conveniently separated, the reaction water is conveniently reused, the lime water is conveniently proportioned again, and the water is saved.
Drawings
Fig. 1 is an overall schematic view of the present invention.
FIG. 2 is a schematic view of portion A of FIG. 1 according to the present invention.
FIG. 3 is a schematic view of the portion B of FIG. 1 according to the present invention.
Fig. 4 is a schematic top view of the raincap of the present invention.
Fig. 5 is a side cross-sectional schematic view of the raincap of the present invention.
Fig. 6 is an overall schematic view of the raincap of the present invention.
FIG. 7 is a schematic top cross-sectional view of an air-blowing head of the present invention.
The reference signs are: 1 reaction tower body, 2 first division board, 3 communicating pipes, 4 intake pipes, 5 second division board, 6 air ducts, 7 reaction spray header, 8 air blowing header, 9 air supply pipes, 10 air pumps, 11 third division board, 12 first clear water spray header, 13 rain cap, 14 first clear water calandria, 15 packing layer, 16 intubate of ventilating, 17 first defroster, 18 second defroster, 19 second clear water spray header, 20 second clear water calandria, 21 impeller, 22 outlet duct, 23 ventholes, 24 sedimentation tank, 25 reaction water tank, 26 first delivery pump, 27 reaction inlet tube, 28 connecting pipes, 29 clear water tank, 30 second delivery pump, 31 clear water pipe.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a reaction tower for desulfurization and denitrification environment-friendly flue gas treatment as shown in figures 1-7, which comprises a reaction tower body 1, wherein a first partition plate 2 is fixedly arranged at the bottom of the reaction tower body 1, a communicating pipe 3 is fixedly arranged on the surface of the first partition plate 2, an air inlet pipe 4 is fixedly connected to the surface of the reaction tower body 1 on one side of the first partition plate 2, a second partition plate 5 is arranged at the top of the first partition plate 2, the second partition plate 5 is fixedly connected with the reaction tower body 1, an air guide pipe 6 is fixedly arranged between the first partition plate 2 and the second partition plate 5, and a reaction spray header 7 is fixedly arranged on the bottom end face of the second partition plate 5;
the reaction tower comprises a reaction tower body 1, an air blowing head 8, an air conveying pipe 9, an air pump 10 and an air pump 10, wherein lime water is filled at the bottom of the reaction tower body 1, the bottom end face of the reaction tower body 1 is fixedly provided with the air blowing head 8, the bottom of the air blowing head 8 is fixedly connected with the air conveying pipe 9, one end of the air conveying pipe 9 is fixedly provided with the air;
a third partition plate 11 is arranged at the top of the second partition plate 5, the third partition plate 11 is fixedly connected with the reaction tower body 1, a first clear water spray header 12 is fixedly arranged on the bottom end face of the third partition plate 11, a rain cap 13 is fixedly arranged at the top end of the gas guide tube 6, and a first clear water discharge tube 14 is fixedly arranged on one side of the second partition plate 5;
a packing layer 15 is placed on the top end face of the third partition plate 11, a ventilation insertion tube 16 is fixedly arranged on the surface of the third partition plate 11, a first demister 17 is arranged at the top of the packing layer 15, a second demister 18 is arranged at the top of the first demister 17, the first demister 17 and the second demister 18 are both fixedly connected with the reaction tower body 1, a second clear water spray header 19 is fixedly arranged at the bottom of the first demister 17, and a second clear water discharge pipe 20 is fixedly arranged on one side of the bottom of the packing layer 15;
the reaction tower body 1 top is fixed with impeller 21, impeller 21 top fixedly connected with outlet duct 22.
Further, 3 bottoms of communicating pipe stretch into the lime water of 1 bottom dress of reaction tower body, stretch into length and set up to 10cm, 3 tops of communicating pipe and 2 surface parallel and level of first division board, square gas enter into the lime water, make things convenient for oxidation reaction, also make things convenient for first division board 2 water to get back to 1 bottom of reaction tower body.
Further, 6 bottoms of air duct run through first division board 2, 6 tops of air duct run through second division board 5, 6 tops of air duct stretch out 5 top end faces of second division board, and extension length sets up to 20cm, air duct 6 is the setting of staggering with communicating pipe 3, and the convenient gas after lime wash reaction is carried 5 tops of second division board, makes things convenient for gaseous clear water to spray.
Furthermore, the rain hat 13 is set to be conical, the top end of the air duct 6 extends into the interior of the rain hat 13, and air outlets 23 are formed in the two sides of the air duct, so that clean water is prevented from entering the air duct 6.
Furthermore, the packing layer 15 is made of inert solid particle materials, the ventilation cannula 16 extends into the packing layer 15, and the packing layer 15 increases the contact surface of gas and clean water, so that the gas and the clean water are uniformly mixed with each other, and the gas treatment effect is improved.
The implementation mode is specifically as follows: when the reaction tower is used for waste gas treatment, the gas inlet pipe 4 conveys waste gas between the first partition plate 2 and the second partition plate 5, the reaction spray header 7 sprays and removes dust on the waste gas, lime water sprayed by the reaction spray header 7 is used, so that the waste gas can react with water between the first partition plate 2 and the second partition plate 5 to generate precipitation, the waste gas and the water enter lime water arranged at the bottom of the reaction tower body 1 through the communicating pipe 3, the waste gas reacts with hydroxide in the lime water, meanwhile, the air blowing header 8 blows air into the lime water, the air blowing headers 8 are arranged in a plurality and are uniformly distributed at the bottom of the reaction tower body 1 to ensure that the water is violently tumbled, the reaction efficiency is improved, the reacted gas is conveyed to the top of the second partition plate 8 through the gas guide pipe 6, clean water spraying is carried out on the first clean water spray header 12, and the subsequent gas enters the packing layer 15 at the top of the third, meanwhile, the second clear water spray header 19 carries out clear water spray on the gas in the packing layer 15 again, the packing layer 15 increases the contact surface of the gas and the clear water, so that the gas and the clear water are mixed uniformly, the gas treatment effect is improved, the first demister 17 and the second demister 18 are subsequently utilized for carrying out gas demisting, the waste gas reaction effect is good, the subsequent gas is convenient to degrade and purify, and the gas treatment effect is improved;
as shown in fig. 1, reaction tower for desulfurization and denitrification environmental protection flue gas treatment, reaction shower head 7 quantity sets up to a plurality of, reaction tower body 1 one side is fixed and is provided with sedimentation tank 24, sedimentation tank 24 one side is fixed and is provided with reaction water tank 25, reaction water tank 25 is inside fixed and is provided with first delivery pump 26, fixedly connected with reaction inlet tube 27 between first delivery pump 26 output and the reaction shower head 7.
Further, the 24 tops of sedimentation tank are linked together with 25 tops of reaction water pool, the fixed connecting pipe 28 that is provided with between sedimentation tank 24 and the reaction tower body 1 bottom makes things convenient for sedimentation tank 24 and 25 rivers flows of reaction water pool, makes things convenient for the lime wash of reaction tower body 1 bottom to enter into sedimentation tank 24 and carry out the operation of deposiing.
Further, the fixed clean water basin 29 that is provided with in reaction pond 25 one side, the inside fixed second delivery pump 30 that is provided with of clean water basin 29, first clear water shower head 12 and second clear water shower head 19 quantity all set up to a plurality ofly, equal fixedly connected with clear water pipe 31 between first clear water shower head 12 and second clear water shower head 19 and the second delivery pump 30 conveniently carries out the clear water spray to the gas after the reaction and handles.
The implementation mode is specifically as follows: when the reaction tower is used, lime water at the bottom of the reaction tower body 1 enters the sedimentation tank 24 through the connecting pipe 28, lime water sprayed by the reaction spray header 7 is matched, circular flow of water is realized, calcium hydroxide in the lime water reacts with carbon dioxide through the sedimentation tank 24 to generate sediment for treatment, the precipitated lime water flows into the reaction water tank 25 from the top end of the sedimentation tank 24, namely, the lime water without sediment enters the reaction water tank 25, water after precipitation treatment is separated, the reaction water is conveniently conveyed to the reaction spray header 7 through the first conveying pump 26, namely, the lime water, further, the reuse of the reverse water is facilitated, the lime water is also conveniently proportioned again, and the purity of the lime water is reduced after reaction, so that the purity proportioning can be carried out in the reaction water tank 25, and water is saved.
The working principle of the invention is as follows:
referring to the attached drawings 1-7 of the specification, when the reaction tower is used for waste gas treatment, a gas inlet pipe 4 conveys waste gas between a first partition plate 2 and a second partition plate 5, a reaction spray header 7 sprays and removes dust of the waste gas, the waste gas and the water enter lime water arranged at the bottom of a reaction tower body 1 through a communicating pipe 3, the waste gas reacts with hydroxide in the lime water, a gas blowing header 8 blows gas in the lime water to improve reaction efficiency, the reacted gas is conveyed to the top of the second partition plate 8 through a gas guide pipe 6, a first clear water spray header 12 sprays clear water, subsequent gas enters a packing layer 15 at the top of a third partition plate 11 through a ventilating insertion pipe 16, meanwhile, a second clear water spray header 19 sprays clear water again to the gas in the packing layer 15, the packing layer 15 increases the contact surface of the gas and the clear water, so that the gas and the clear water are mixed uniformly, and the, the first demister 17 and the second demister 18 are used for gas demisting subsequently, the reaction effect of waste gas is good, the subsequent gas is convenient to degrade and purify, and the gas treatment effect is improved;
referring to the attached drawing 1 of the specification, when the reaction tower is used, lime water at the bottom of the reaction tower body 1 enters the sedimentation tank 24 through the connecting pipe 28, calcium hydroxide in the lime water reacts with carbon dioxide to generate sediment through the sedimentation tank 24 for treatment, the precipitated lime water flows into the reaction water tank 25 from the top end of the sedimentation tank 24, the water after the sediment treatment is separated, the first conveying pump 26 is convenient to convey reaction water, namely the lime water, to the reaction spray header 7, the reverse water is convenient to reuse, the lime water is convenient to be proportioned again, and water is saved.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the invention, only the structures related to the disclosed embodiments are referred to, other structures can refer to common designs, and the same embodiment and different embodiments of the invention can be combined with each other without conflict;
and finally: the above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that are within the spirit and principle of the present invention are intended to be included in the scope of the present invention.
Claims (8)
1. The utility model provides a SOx/NOx control environmental protection reaction tower for flue gas treatment, includes reaction tower body (1), its characterized in that: the reaction tower is characterized in that a first partition plate (2) is fixedly arranged at the bottom of the reaction tower body (1), a communicating pipe (3) is fixedly arranged on the surface of the first partition plate (2), an air inlet pipe (4) is fixedly connected to the surface of the reaction tower body (1) on one side of the first partition plate (2), a second partition plate (5) is arranged at the top of the first partition plate (2), the second partition plate (5) is fixedly connected with the reaction tower body (1), an air guide pipe (6) is fixedly arranged between the first partition plate (2) and the second partition plate (5), and a reaction spray header (7) is fixedly arranged on the bottom end face of the second partition plate (5);
the lime water is filled at the bottom of the reaction tower body (1), an air blowing head (8) is fixedly arranged on the bottom end face of the reaction tower body (1), an air conveying pipe (9) is fixedly connected to the bottom of the air blowing head (8), an air pump (10) is fixedly arranged at one end of the air conveying pipe (9), and the air pump (10) is arranged on one side of the bottom of the reaction tower body (1);
a third partition plate (11) is arranged at the top of the second partition plate (5), the third partition plate (11) is fixedly connected with the reaction tower body (1), a first clear water spray header (12) is fixedly arranged on the bottom end face of the third partition plate (11), a rain cap (13) is fixedly arranged at the top end of the air duct (6), and a first clear water discharge pipe (14) is fixedly arranged on one side of the second partition plate (5);
a packing layer (15) is placed on the top end face of the third partition plate (11), a ventilating insertion tube (16) is fixedly arranged on the surface of the third partition plate (11), a first demister (17) is arranged at the top of the packing layer (15), a second demister (18) is arranged at the top of the first demister (17), the first demister (17) and the second demister (18) are both fixedly connected with the reaction tower body (1), a second clear water spray header (19) is fixedly arranged at the bottom of the first demister (17), and a second clear water discharge pipe (20) is fixedly arranged on one side of the bottom of the packing layer (15);
the reaction tower is characterized in that an impeller (21) is fixedly arranged at the top of the reaction tower body (1), and an air outlet pipe (22) is fixedly connected to the top of the impeller (21).
2. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 1, characterized in that: the bottom end of the communicating pipe (3) extends into the limewater arranged at the bottom of the reaction tower body (1), the extending length is set to be 10cm, and the top end of the communicating pipe (3) is flush with the surface of the first partition plate (2).
3. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 1, characterized in that: air duct (6) bottom runs through first division board (2), second division board (5) run through at air duct (6) top, second division board (5) top end face is stretched out on air duct (6) top, and the length of stretching out sets up to 20cm, air duct (6) are the setting of staggering with communicating pipe (3).
4. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 1, characterized in that: the rain hat (13) is conical, the top end of the air duct (6) extends into the rain hat (13), and air outlet holes (23) are formed in the two sides of the air duct.
5. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 1, characterized in that: the packing layer (15) is made of inert solid particle materials, and the ventilation cannula (16) extends into the packing layer (15).
6. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 1, characterized in that: the reactor is characterized in that the number of the reaction spray headers (7) is set to be multiple, a sedimentation tank (24) is fixedly arranged on one side of the reactor body (1), a reaction water tank (25) is fixedly arranged on one side of the sedimentation tank (24), a first conveying pump (26) is fixedly arranged inside the reaction water tank (25), and a reaction water inlet pipe (27) is fixedly connected between the output of the first conveying pump (26) and the reaction spray headers (7).
7. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 6, characterized in that: the top end of the sedimentation tank (24) is communicated with the top end of the reaction water tank (25), and a connecting pipe (28) is fixedly arranged between the sedimentation tank (24) and the bottom of the reaction tower body (1).
8. The reaction tower for desulfurization and denitrification environmental protection flue gas treatment according to claim 6, characterized in that: fixed clean water basin (29) that is provided with in reaction pond (25) one side, clean water basin (29) inside fixed second delivery pump (30) that is provided with, first clear water shower head (12) and second clear water shower head (19) quantity all sets up to a plurality ofly, equal fixedly connected with clear water pipe (31) between first clear water shower head (12) and second clear water shower head (19) and second delivery pump (30).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519959.0U CN211215953U (en) | 2019-09-12 | 2019-09-12 | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921519959.0U CN211215953U (en) | 2019-09-12 | 2019-09-12 | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment |
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| CN211215953U true CN211215953U (en) | 2020-08-11 |
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| CN201921519959.0U Active CN211215953U (en) | 2019-09-12 | 2019-09-12 | Reaction tower for desulfurization and denitrification environment-friendly flue gas treatment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433594A (en) * | 2019-09-12 | 2019-11-12 | 佛山市顺德区东波环保设备有限公司 | A kind of desulphurization denitration environmental protection fume treatment reaction tower |
-
2019
- 2019-09-12 CN CN201921519959.0U patent/CN211215953U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110433594A (en) * | 2019-09-12 | 2019-11-12 | 佛山市顺德区东波环保设备有限公司 | A kind of desulphurization denitration environmental protection fume treatment reaction tower |
| CN110433594B (en) * | 2019-09-12 | 2024-03-22 | 佛山市顺德区东波环保设备有限公司 | Desulfurization and denitrification reaction tower for environmental protection flue gas treatment |
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