CN214840920U - Flue gas desulfurization denitration dust collecting equipment - Google Patents

Flue gas desulfurization denitration dust collecting equipment Download PDF

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CN214840920U
CN214840920U CN202022496814.2U CN202022496814U CN214840920U CN 214840920 U CN214840920 U CN 214840920U CN 202022496814 U CN202022496814 U CN 202022496814U CN 214840920 U CN214840920 U CN 214840920U
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desulfurization
denitrification
gas transmission
short pipe
gas
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丘佳锐
陈林林
卢敏昌
杨郑斌
丘文金
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Fujian Longlan Environmental Protection Technology Co ltd
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Fujian Longlan Environmental Protection Technology Co ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/30Technologies for a more efficient combustion or heat usage

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Abstract

Flue gas desulfurization denitration dust collecting equipment, it relates to chemical industry dust collecting equipment technical field. The device comprises a desulfurization and denitrification treatment tower, a combustion furnace, a waste heat treatment bin, a circulating water cooling mechanism, a main gas transmission pipeline, a first gas transmission short pipe, a second gas transmission short pipe, a water transmission pipe and an electric cabinet; the device comprises a desulfurization and denitrification treatment tower, a main gas transmission pipeline, a combustion furnace, a first gas transmission short pipe, a waste heat treatment bin, a second gas transmission short pipe, a first gas transmission short pipe, a second gas transmission short pipe and a second gas transmission short pipe, wherein the gas inlet of the upper part of the desulfurization and denitrification treatment tower is connected with the main gas transmission pipeline; adopt the internet electric cabinet to replace traditional manual equipment operation, and can carry out the reutilization to the result that equipment dust removal work produced, can carry the gas or with the thermal equipment to outside gas consumption with waste heat or flue gas after removing dust, adopt circulating water cooling mechanism, prolong the working life of equipment.

Description

Flue gas desulfurization denitration dust collecting equipment
Technical Field
The utility model relates to a chemical industry dust collecting equipment technical field, concretely relates to flue gas desulfurization denitration dust collecting equipment.
Background
The power plant generates electricity to burn coal, which produces waste gas containing sulfur and nitrate. Large amounts of exhaust into the atmosphere can produce pollution and form acid rain. Therefore, the flue gas of the power plant needs to be subjected to desulfurization and denitrification treatment. The desulfurization and denitrification of the flue gas treatment of the power plant is an important engineering procedure in the engineering of a thermal power plant, which refers to an engineering for treating sulfur-containing compounds and basically mainly treats sulfur dioxide. The treatment of sulfur dioxide can be divided into three categories, namely before combustion, during combustion and after combustion. Before combustion, the fuel is treated, such as coal washing, gasification, liquefaction and the like; the combustion refers to in-furnace desulfurization, such as fluidized bed combustion desulfurization, in-furnace calcium injection desulfurization, sulfur fixation of molded coal, desulfurization additive utilization and the like; the desulfurization after combustion refers to flue gas desulfurization, and the method mainly adopted in the desulfurization technology adopted at home and abroad is still flue gas desulfurization. The denitration method is relatively single, SCR and SNCR are generally used, and the reducing agent mainly comprises urea, ammonia water and liquid ammonia. Of course, the installation of the low-nitrogen burner at the boiler also makes a certain contribution to the denitration. The desulfurization method is more than the other methods, such as a sodium-calcium double alkali method, an ammonia method, a lime-gypsum method, a furnace calcium spraying method, a flue gas circulating fluidized bed method, a new process developed at present, independent water diversion type desulfurization and the like. The existing working method for desulfurization and denitrification of the power plant is to reduce the generated NOX into N2 so as to remove the NOX in the flue gas, and the working method can be divided into wet denitration and dry denitration according to treatment processes. The method mainly comprises the following steps: acid absorption, alkali absorption, selective catalytic reduction, non-selective catalytic reduction, adsorption, plasma activation, and the like. Some researchers at home and abroad have also developed a method for treating NOx waste gas by using microorganisms.
Present SOx/NOx control equipment for abandonment flue gas, the most simple equipment that only has dust removal function, can not carry out waste utilization to the secondary product that its dust work produced, and current equipment power consumption is great, because the operation of current equipment mostly needs artifical the completion, influence the job schedule, and the long-time work of manually operation's equipment is difficult to guarantee that equipment has longer working life, thereby working cost is higher, the environmental protection benefit is low, be not suitable for dust removal work of the same kind, be difficult to reach the environmental protection emission standard of national regulation, thereby influence equipment system work benefit, the practicality is lower.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, a flue gas desulfurization denitration dust collecting equipment is provided, adopt the internet electric cabinet to replace traditional manual equipment operation, and can carry out the reutilization to the product that equipment dust removal work produced, can carry the flue gas after waste heat or dust removal to outside gas or with the thermal equipment, adopt circulation water cooling mechanism, the working life of extension equipment, thereby the working cost of equipment has been reduced, when reaching environmental protection emission standard, increase the income, and the environmental protection benefit is high, the practicality is higher.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the device comprises a desulfurization and denitrification treatment tower 1, a combustion furnace 2, a waste heat treatment bin 3, a circulating water cooling mechanism 4, a main gas transmission pipeline 5, a first gas transmission short pipe 6, a second gas transmission short pipe 7, a water transmission pipe 8 and an electric cabinet 9; the device is characterized in that an air inlet at the upper part of the desulfurization and denitrification treatment tower 1 is connected with a main air conveying pipeline 5, the other end of the main air conveying pipeline 5 is connected with a combustion furnace 2, an air outlet at the left side of the desulfurization and denitrification treatment tower 1 is connected with a first air conveying short pipe 6, the other end of the first air conveying short pipe 6 is connected with an air inlet of a waste heat treatment bin 3, an air outlet at the waste heat treatment bin 3 is connected with a second air conveying short pipe 7, and the other end of the second air conveying short pipe 7 is connected with external air equipment; a water outlet at the left side of the circulating water cooling mechanism 4 is connected with a water inlet at the right side of the desulfurization and denitrification treatment tower 1 through a water delivery pipe 8; the electric cabinet 9 is installed on the right side of the desulfurization and denitrification treatment tower 1 and is positioned above the water inlet on the right side.
The upper part of the desulfurization and denitrification treatment tower 1 is a cooling chamber 11, and a heat exchanger 12 is arranged in the cooling chamber 11.
And a mounting ring 13 is arranged at the connecting position of the top of the desulfurization and denitrification treatment tower 1 and the main gas transmission pipeline 5.
The front side of the lower part of the desulfurization and denitrification treatment tower 1 is provided with a desulfurization and denitrification feed inlet 14, and the desulfurization and denitrification feed inlet 14 corresponds to the position installation of the dust removal equipment inside the desulfurization and denitrification treatment tower 1.
And an air supply fan 21 is arranged at the connecting position of the combustion furnace 2 and the main gas transmission pipeline 5.
Waste heat treatment storehouse 3 internally mounted have fan 31, fan 31 below is provided with filter screen 32, fan 31 fixed mounting is in filter screen 32 top, and fan 31 corresponds 3 air inlets in waste heat treatment storehouse and the corresponding installation of gas outlet position level.
The lower part of the waste heat treatment bin 3 is a waste material disposal bin 33, and a bin door 34 is arranged at the front side of the lower part of the waste heat treatment bin 3 corresponding to the waste material disposal bin 33.
The main gas transmission pipeline 5 and the combustion furnace 2 are connected to be provided with a small sealing pipe head 53, the middle part of the main gas transmission pipeline 5 is a bending part 52, the main gas transmission pipeline 5 and the desulfurization and denitrification treatment tower 1 are connected to be provided with a large sealing pipe head 54, and the small sealing pipe head 53 and the large sealing pipe head 54 are integrally welded to the main gas transmission pipeline 5 through a rubber sealing ring 51.
The first gas transmission short pipe 6, the second gas transmission short pipe 7 and the water transmission pipe 8 are provided with small sealing pipe heads 53 integrally welded by rubber sealing rings 51.
The utility model discloses a theory of operation: the working personnel control the computer to preset in advance through a program, firstly control the coal-saving complete combustion in the combustion furnace through the electric cabinet control equipment, convey the waste flue gas into the desulfurization and denitrification treatment tower through the main gas transmission pipeline through the air supply fan, separate the impurity in the waste flue gas from the gas through the desulfurization and denitrification dust removal equipment after the temperature of the heat exchanger is reduced, and make the gas contain no sulfur and nitrate, the water supply in the desulfurization and denitrification tower is completed by the circulating water cooling mechanism, and the heat exchanger is matched to carry out the integral temperature reduction on the flue gas and the tower body in the desulfurization and denitrification tower; and the gas subjected to desulfurization and denitrification in the desulfurization and denitrification tower is conveyed into a waste heat treatment bin through a pipeline, and the gas or heat subjected to dust removal is conveyed to external gas-using heat equipment through a fan.
After the technical scheme is adopted, the utility model discloses beneficial effect does: adopt the internet electric cabinet to replace traditional manual equipment operation, and can carry out the reutilization to the result that equipment dust removal work produced, can carry the flue gas after waste heat or dust removal to outside gas use or with the thermal equipment, adopt circulating water cooling mechanism, prolong the working life of equipment to reduce the working cost of equipment, when reaching environmental protection emission standard, increase the income, and the environmental protection benefit is high, and the practicality is higher.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a desulfurization and denitrification treatment tower 1, a combustion furnace 2, a waste heat treatment bin 3, a circulating water cooling mechanism 4, a main gas transmission pipeline 5, a first gas transmission short pipe 6, a second gas transmission short pipe 7, a water transmission pipe 8, an electric cabinet 9, a cooling chamber 11, a heat exchanger 12, a mounting ring 13, a desulfurization and denitrification feed inlet 14, an air supply fan 21, a fan 31, a filter screen 32, a waste material treatment bin 33, a bin door 34, a small sealing tube head 53, a bent part 52, a sealing tube head 54 and a rubber sealing ring 51.
Detailed Description
Referring to fig. 1, the technical solution adopted by the present embodiment is: the device comprises a desulfurization and denitrification treatment tower 1, a combustion furnace 2, a waste heat treatment bin 3, a circulating water cooling mechanism 4, a main gas transmission pipeline 5, a first gas transmission short pipe 6, a second gas transmission short pipe 7, a water transmission pipe 8 and an electric cabinet 9; the device is characterized in that an air inlet at the upper part of the desulfurization and denitrification treatment tower 1 is connected with a main air conveying pipeline 5, the other end of the main air conveying pipeline 5 is connected with a combustion furnace 2, an air outlet at the left side of the desulfurization and denitrification treatment tower 1 is connected with a first air conveying short pipe 6, the other end of the first air conveying short pipe 6 is connected with an air inlet of a waste heat treatment bin 3, an air outlet at the waste heat treatment bin 3 is connected with a second air conveying short pipe 7, and the other end of the second air conveying short pipe 7 is connected with external air equipment; a water outlet at the left side of the circulating water cooling mechanism 4 is connected with a water inlet at the right side of the desulfurization and denitrification treatment tower 1 through a water delivery pipe 8; the electric cabinet 9 is installed on the right side of the desulfurization and denitrification treatment tower 1 and is positioned above the water inlet on the right side.
The upper part of the desulfurization and denitrification treatment tower 1 is a cooling chamber 11, and a heat exchanger 12 is arranged in the cooling chamber 11. The heat exchanger 12 in the cooling chamber 11 can carry out heat replacement with the waste flue gas of input SOx/NOx control treating tower 1, reduces the heat of waste flue gas, improves the SOx/NOx control efficiency of waste flue gas in SOx/NOx control treating tower 1.
And a mounting ring 13 is arranged at the connecting position of the top of the desulfurization and denitrification treatment tower 1 and the main gas transmission pipeline 5. The mounting ring 13 facilitates the rapid mounting and connection of the desulfurization and denitrification treatment tower 1 and the main gas transmission pipeline 5.
The front side of the lower part of the desulfurization and denitrification treatment tower 1 is provided with a desulfurization and denitrification feed inlet 14, and the desulfurization and denitrification feed inlet 14 corresponds to the position installation of the dust removal equipment inside the desulfurization and denitrification treatment tower 1. The desulfurization and denitrification feed port 14 is used for controlling the electric cabinet 9 by a computer, so that external equipment adds denitrification and denitrification chemical articles into the desulfurization and denitrification treatment tower 1.
And an air supply fan 21 is arranged at the connecting position of the combustion furnace 2 and the main gas transmission pipeline 5. The air supply fan 21 can uniformly convey the hot waste flue gas in the combustion furnace 2 to the desulfurization and denitrification treatment tower 1.
Waste heat treatment storehouse 3 internally mounted have fan 31, fan 31 below is provided with filter screen 32, fan 31 fixed mounting is in filter screen 32 top, and fan 31 corresponds 3 air inlets in waste heat treatment storehouse and the corresponding installation of gas outlet position level. The fan 31 discharges the flue gas after dust removal and after re-filtration by the filter screen 32 to an external air-using device.
The lower part of the waste heat treatment bin 3 is a waste material disposal bin 33, and a bin door 34 is arranged at the front side of the lower part of the waste heat treatment bin 3 corresponding to the waste material disposal bin 33. The impurities filtered by the screen 32 may be cleaned and removed through a bin gate 34.
The main gas transmission pipeline 5 and the combustion furnace 2 are connected to be provided with a small sealing pipe head 53, the middle part of the main gas transmission pipeline 5 is a bending part 52, the main gas transmission pipeline 5 and the desulfurization and denitrification treatment tower 1 are connected to be provided with a large sealing pipe head 54, and the small sealing pipe head 53 and the large sealing pipe head 54 are integrally welded to the main gas transmission pipeline 5 through a rubber sealing ring 51. The bending part 52 can realize the angle bending of the pipe body, can buffer the flue gas conveyed in the pipe body and realize uniform conveying.
The first gas transmission short pipe 6, the second gas transmission short pipe 7 and the water transmission pipe 8 are provided with small sealing pipe heads 53 integrally welded by rubber sealing rings 51. The rubber sealing ring 51 can realize higher gas and liquid conveying leakage-proof effect, and improve the working efficiency of the equipment.
The working personnel control the computer to preset in advance through a program, firstly control the coal-saving complete combustion in the combustion furnace through the electric cabinet control equipment, convey the waste flue gas into the desulfurization and denitrification treatment tower through the main gas transmission pipeline through the air supply fan, separate the impurity in the waste flue gas from the gas through the desulfurization and denitrification dust removal equipment after the temperature of the heat exchanger is reduced, and make the gas contain no sulfur and nitrate, the water supply in the desulfurization and denitrification tower is completed by the circulating water cooling mechanism, and the heat exchanger is matched to carry out the integral temperature reduction on the flue gas and the tower body in the desulfurization and denitrification tower; and the gas subjected to desulfurization and denitrification in the desulfurization and denitrification tower is conveyed into a waste heat treatment bin through a pipeline, and the gas or heat subjected to dust removal is conveyed to external gas-using heat equipment through a fan.
Adopt the internet electric cabinet to replace traditional manual equipment operation, and can carry out the reutilization to the result that equipment dust removal work produced, can carry the flue gas after waste heat or dust removal to outside gas use or with the thermal equipment, adopt circulating water cooling mechanism, prolong the working life of equipment to reduce the working cost of equipment, when reaching environmental protection emission standard, increase the income, and the environmental protection benefit is high, and the practicality is higher.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent replacements made by those of ordinary skill in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention as long as they do not depart from the spirit and scope of the technical solutions of the present invention.

Claims (9)

1. Flue gas desulfurization denitration dust collecting equipment which characterized in that: the waste heat treatment device comprises a desulfurization and denitrification treatment tower (1), a combustion furnace (2), a waste heat treatment bin (3), a circulating water cooling mechanism (4), a main gas transmission pipeline (5), a first gas transmission short pipe (6), a second gas transmission short pipe (7), a water transmission pipe (8) and an electric cabinet (9); the device is characterized in that an air inlet at the upper part of the desulfurization and denitrification treatment tower (1) is connected with a main gas transmission pipeline (5), the other end of the main gas transmission pipeline (5) is connected with the combustion furnace (2), an air outlet at the left side of the desulfurization and denitrification treatment tower (1) is connected with a first gas transmission short pipe (6), the other end of the first gas transmission short pipe (6) is connected with an air inlet of the waste heat treatment bin (3), a gas port at the waste heat treatment bin (3) is connected with a second gas transmission short pipe (7), and the other end of the second gas transmission short pipe (7) is connected with an external gas utilization device; a water outlet at the left side of the circulating water cooling mechanism (4) is connected with a water inlet at the right side of the desulfurization and denitrification treatment tower (1) through a water delivery pipe (8); the electric cabinet (9) is arranged on the right side of the desulfurization and denitrification treatment tower (1) and is positioned above the water inlet on the right side.
2. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: the upper part of the desulfurization and denitrification treatment tower (1) is provided with a cooling chamber (11), and a heat exchanger (12) is arranged in the cooling chamber (11).
3. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: and a mounting ring (13) is arranged at the connecting position of the top of the desulfurization and denitrification treatment tower (1) and the main gas transmission pipeline (5).
4. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: the front side of the lower part of the desulfurization and denitrification treatment tower (1) is provided with a desulfurization and denitrification feed inlet (14), and the desulfurization and denitrification feed inlet (14) is arranged corresponding to the position of the dust removal equipment inside the desulfurization and denitrification treatment tower (1).
5. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: and an air supply fan (21) is arranged at the connecting position of the combustion furnace (2) and the main gas transmission pipeline (5).
6. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: waste heat treatment storehouse (3) internally mounted have fan (31), fan (31) below is provided with filter screen (32), fan (31) fixed mounting is in filter screen (32) top, and fan (31) correspond waste heat treatment storehouse (3) air inlet and gas outlet position level and correspond the installation.
7. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: the lower part of the waste heat treatment bin (3) is a waste material disposal bin (33), and a bin door (34) is arranged at the front side of the lower part of the waste heat treatment bin (3) corresponding to the waste material disposal bin (33).
8. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: the main gas transmission pipeline (5) and the combustion furnace (2) are connected through a small sealing pipe head (53), the middle of the main gas transmission pipeline (5) is a bent part (52), the main gas transmission pipeline (5) and the desulfurization and denitrification treatment tower (1) are connected through a large sealing pipe head (54), and the small sealing pipe head (53) and the large sealing pipe head (54) are integrally welded to the main gas transmission pipeline (5) through rubber sealing rings (51).
9. The flue gas desulfurization, denitrification and dust removal equipment of claim 1, characterized in that: the first gas transmission short pipe (6), the second gas transmission short pipe (7) and the water transmission pipe (8) are all provided with small sealing pipe heads (53) which are integrally welded by rubber sealing rings (51).
CN202022496814.2U 2020-11-03 2020-11-03 Flue gas desulfurization denitration dust collecting equipment Active CN214840920U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022496814.2U CN214840920U (en) 2020-11-03 2020-11-03 Flue gas desulfurization denitration dust collecting equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022496814.2U CN214840920U (en) 2020-11-03 2020-11-03 Flue gas desulfurization denitration dust collecting equipment

Publications (1)

Publication Number Publication Date
CN214840920U true CN214840920U (en) 2021-11-23

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Application Number Title Priority Date Filing Date
CN202022496814.2U Active CN214840920U (en) 2020-11-03 2020-11-03 Flue gas desulfurization denitration dust collecting equipment

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