CN106733190A - A kind of hot blast protection device for wet electrical dust precipitator - Google Patents
A kind of hot blast protection device for wet electrical dust precipitator Download PDFInfo
- Publication number
- CN106733190A CN106733190A CN201611166453.7A CN201611166453A CN106733190A CN 106733190 A CN106733190 A CN 106733190A CN 201611166453 A CN201611166453 A CN 201611166453A CN 106733190 A CN106733190 A CN 106733190A
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- China
- Prior art keywords
- heat
- preserving container
- junction chamber
- interior room
- insulator
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/34—Constructional details or accessories or operation thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
- B03C3/02—Plant or installations having external electricity supply
- B03C3/16—Plant or installations having external electricity supply wet type
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Abstract
The invention discloses a kind of hot blast protection device, particularly a kind of hot blast protection device for wet electrical dust precipitator belongs to wet electrical dust precipitator technical field.It includes heat-preserving container body (1), insulation barrel top cover (2), insulator body (3), insulator cover plate (4), outer protection system and interior protection system (7).Junction chamber hot air duct (8) is offered on heat-preserving container contiguous block (10) outer wall, junction chamber hot air duct (8) is connected perpendicular to heat-preserving container contiguous block (10) outer wall with heat-preserving container junction chamber (13).Heat-preserving container interior room (12) is separated with heat-preserving container junction chamber (13) by insulator cover plate (4), and insulator cover plate (4) is integral type cover plate.The present invention is greatly reduced fan delivery and electric heater power consumption, it is to avoid flue gas anti-channeling, it is ensured that heat-preserving container and insulator do not condense, it is ensured that the stable operation of wet electrical dust precipitator.
Description
Technical field
The present invention relates to a kind of hot blast protection device, particularly a kind of hot blast protection device for wet electrical dust precipitator,
Belong to wet electrical dust precipitator technical field.
Background technology
Hot blast protection system as wet electrical dust precipitator important component, to prevent insulator condense, climb electric and fried
Split, maintain the clean and tidy running environment in heat-preserving container inside to play remarkable effect.Current wet electrical dust precipitator hot blast protection system is main
It is made up of blower fan, electric heater and ring heater etc..Heat-preserving container interior room passes through insulator cover plate perforate with heat-preserving container junction chamber
Connected.Heat-preserving container interior room is fully entered after the heated device of hot blast, and heat-preserving container is flowed into by insulator cover plate air holes and connected
Room, and then connected with wet scrubber inside smoke.Existing system is distinctly claimed to air quantity, blast and heter temperature,
While ensureing to maintain heat-preserving container internal temperature, to choose rational blast prevents saturation wet flue gas from passing through insulator cover plate wind
Hole anti-channeling is to heat-preserving container.The subject matter that existing system is present is that Fan Selection is bigger than normal, electric heater power consumption big, is existed because of blast
Flue gas anti-channeling is not enough caused to pollute the hidden danger of heat-preserving container.
The content of the invention
It is an object of the present invention to provide a kind of hot blast protection device for wet electrical dust precipitator.The present invention is changed
The arrangement of original device, under conditions of heat-preserving container allows running temperature, is greatly reduced fan delivery and electric heater work(
Consumption, it is to avoid flue gas anti-channeling, it is ensured that heat-preserving container and insulator do not condense, it is ensured that the stable operation of wet electrical dust precipitator.
In order to solve the above technical problems, the present invention is adopted the following technical scheme that：
This kind is used for the hot blast protection device of wet electrical dust precipitator, including heat-preserving container body, insulation barrel top cover, insulator sheet
Body, insulator cover plate, outer protection system and interior protection system.The outer protection system is located at heat-preserving container body exterior, the guarantor
Warm bucket body lower part there also is provided heat-preserving container contiguous block.Outside the heat-preserving container inner body wall, insulation barrel top cover and insulator body
Wall forms heat-preserving container interior room.The insulator body inwall, insulator cover plate and heat-preserving container contiguous block inwall form heat-preserving container and connect
Connect room.Interior room hot air duct is offered on the heat-preserving container body, the interior room hot air duct is perpendicular to heat-preserving container body outer wall
Connected with heat-preserving container interior room.Junction chamber hot air duct, the junction chamber hot blast are further opened with the heat-preserving container contiguous block outer wall
Pipeline is connected perpendicular to heat-preserving container contiguous block outer wall with heat-preserving container junction chamber.Outer protection system continually for heat-preserving container interior room and
Heat-preserving container junction chamber provides high-temperature hot-air.In heat-preserving container interior room, closed constant temperature sky is formed by being acted on interior protection system simultaneously
Between, maintain heat-preserving container internal temperature constant, heater power consumption and fan delivery is greatly reduced.In heat-preserving container junction chamber, by defeated
Send a large amount of hot blasts to form high temperature air curtain, prevent saturation wet flue gas from entering inside heat-preserving container, prevent heat-preserving container and insulator chamber condensation.
The heat-preserving container interior room is separated with heat-preserving container junction chamber by insulator cover plate, and the insulator cover plate is integral type cover plate, table
Face not perforate, it is ensured that definitely isolate between heat-preserving container interior room and heat-preserving container junction chamber.
Foregoing hot blast protection device is additionally provided with interior room inlet flange, and described interior room hot air duct one end is connected with outer protection
System, the other end connects heat-preserving container interior room through interior room inlet flange, can in time supplement hot blast, maintains room temperature in heat-preserving container.
Foregoing hot blast protection device is additionally provided with junction chamber inlet flange, and described junction chamber hot air duct one end is connected with outer
Protection system, the other end connects heat-preserving container junction chamber through junction chamber inlet flange, is easy to heat air delivery to form high-temperature hot-air air curtain.
Foregoing outer protection system is made up of blower fan and electric heater, and air is heated through blower fan into electric heater, heating
Hot blast afterwards respectively enters heat-preserving container interior room and heat-preserving container junction chamber.
Foregoing interior protection system is ring heater, and the ring heater is arranged in heat-preserving container around insulator body
Interior room bottom, acts on and forms confined space simultaneously with outer protection system, further maintains heat-preserving container internal temperature constant.
Seal is installed between foregoing insulator body and insulator cover plate, encapsulation process is carried out.The heat-preserving container
Isolated by seal between interior room and heat-preserving container junction chamber.
For the circulating area for giving wet scrubber inside smoke certain, foregoing heat-preserving container junction chamber bottom is additionally provided with guarantor
Warm bucket pivot flange, is supported in wet except body steel construction, the warm bucket pivot flange of heat-preserving container junction chamber and wet dust removal
Device body is fixedly connected.
The internal diameter of foregoing heat-preserving container interior room is 700mm-1000mm, and the internal diameter of the heat-preserving container contiguous block is 400mm-
500mm。
Foregoing interior room hot air duct and the internal diameter of junction chamber hot air duct are 65mm-80mm.
Compared with prior art, the present invention changes the arrangement of original device, in heat-preserving container interior room, hot blast by with
Ring heater is acted on and forms closed constant temperature space simultaneously, maintains heat-preserving container internal temperature constant；In heat-preserving container junction chamber, pass through
Convey a large amount of hot blasts and form high temperature air curtain, prevent saturation wet flue gas from entering inside heat-preserving container.Running temperature is allowed in heat-preserving container
Under the conditions of, fan delivery and electric heater power consumption is greatly reduced, it is to avoid flue gas anti-channeling, it is ensured that heat-preserving container and insulator do not condense,
Ensure that the stable operation of wet electrical dust precipitator.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is structural representation of the invention.
The implication of reference：1- heat-preserving container bodies, 2- insulation barrel top covers, 3- insulator bodies, 4- insulator cover plates, 5-
Interior room hot air duct, 6- interior room inlet flanges, protection system in 7-, 8- junction chamber hot air ducts, 9- junction chamber inlet flanges,
10- heat-preserving container contiguous blocks, 11- seals, 12- heat-preserving container interior rooms, 13- heat-preserving container junction chambers, 14- heat-preserving container pivot flanges.
The present invention is further illustrated with reference to the accompanying drawings and detailed description.
Specific embodiment
Embodiments of the invention 1：As depicted in figs. 1 and 2, it is a kind of to be applied to 300MMW thermal power generation unit wet scrubbers
Hot blast protection device, including heat-preserving container body 1, insulation barrel top cover 2, insulator body 3, insulator cover plate 4, outer protection system
With interior protection system 7.Seal 11 is installed between insulator body 3 and insulator cover plate 4, encapsulation process is carried out.Outer protection
Outside heat-preserving container body 1, the bottom of heat-preserving container body 1 there also is provided heat-preserving container contiguous block 10, heat-preserving container contiguous block 10 to system
Internal diameter be 430mm.The inwall of heat-preserving container body 1, insulation barrel top cover 2 form heat-preserving container interior room 12 with the outer wall of insulator body 3, protect
The internal diameter of warm bucket interior room 12 is 700mm.The inwall of insulator body 3, insulator cover plate 4 are formed with the inwall of heat-preserving container contiguous block 10 and protected
Warm bucket junction chamber 13.For the circulating area for giving wet scrubber inside smoke certain, the bottom of heat-preserving container junction chamber 13 is additionally provided with
Heat-preserving container pivot flange 14, is supported in wet except body steel construction, 13 warm barrels of pivot flanges of heat-preserving container junction chamber 14 and wet type
Deduster body is fixedly connected.Isolated by seal 11 between heat-preserving container interior room 12 and heat-preserving container junction chamber 13.
Offer interior room hot air duct 5 on heat-preserving container body 1, interior room hot air duct 5 perpendicular to the outer wall of heat-preserving container body 1 with
Heat-preserving container interior room 12 is connected.Junction chamber hot air duct 8, junction chamber hot air duct 8 are further opened with the outer wall of heat-preserving container contiguous block 10
Connected with heat-preserving container junction chamber 13 perpendicular to the outer wall of heat-preserving container contiguous block 10.Interior room hot air duct 5 and junction chamber hot air duct 8
Internal diameter is 65mm.Outer protection system is made up of blower fan and electric heater, and compressor flow is 3500Nm3/ h, electric heater capacity
It is 120KW.Air is heated through blower fan into electric heater, and the hot blast after heating respectively enters heat-preserving container interior room 12 and heat-preserving container connects
Room 13 is connect, outer protection system is continually that heat-preserving container interior room 12 and heat-preserving container junction chamber 13 provide high-temperature hot-air.Interior protection system
System 7 is ring heater, and ring heater is arranged in the bottom of heat-preserving container interior room 12 around insulator body 3, with outer protection system
Effect simultaneously forms confined space, further maintains heat-preserving container internal temperature constant more than 60 DEG C, and heater work(is greatly reduced
Consumption and fan delivery.In heat-preserving container junction chamber 13, high temperature air curtain is formed by conveying a large amount of hot blasts, prevent saturation wet flue gas from entering
Inside heat-preserving container, heat-preserving container and insulator chamber condensation are prevented.Heat-preserving container interior room 12 passes through insulator cover with heat-preserving container junction chamber 13
Plate 4 is separated, and insulator cover plate 4 is integral type cover plate, surface not perforate, it is ensured that heat-preserving container interior room 12 and heat-preserving container junction chamber 13 it
Between definitely isolate.Hot blast protection device is additionally provided with interior room inlet flange 6, and the one end of interior room hot air duct 5 is connected with outer protection system,
The other end can in time supplement hot blast through the connection heat-preserving container of interior room inlet flange 6 interior room 12, maintain the temperature of heat-preserving container interior room 12.
The device is additionally provided with junction chamber inlet flange 9, and the one end of junction chamber hot air duct 8 is connected with outer protection system, and the other end is through connection
The connection heat-preserving container of chamber inlet flange 9 junction chamber 13, is easy to heat air delivery to form high-temperature hot-air air curtain.
Embodiment 2：As depicted in figs. 1 and 2, this kind is used for the hot blast protection device of wet electrical dust precipitator, including heat-preserving container
Body 1, insulation barrel top cover 2, insulator body 3, insulator cover plate 4, outer protection system and interior protection system 7.Outer protection system
Outside heat-preserving container body 1, the bottom of heat-preserving container body 1 there also is provided heat-preserving container contiguous block 10.The inwall of heat-preserving container body 1, guarantor
Warm barrel top cover 2 forms heat-preserving container interior room 12 with the outer wall of insulator body 3.The inwall of insulator body 3, insulator cover plate 4 and insulation
Bucket contiguous block 10 inwall forms heat-preserving container junction chamber 13.Interior room hot air duct 5, interior room warm-air pipe are offered on heat-preserving container body 1
Road 5 is connected perpendicular to the outer wall of heat-preserving container body 1 with heat-preserving container interior room 12.Junction chamber is further opened with the outer wall of heat-preserving container contiguous block 10
Hot air duct 8, junction chamber hot air duct 8 is connected perpendicular to the outer wall of heat-preserving container contiguous block 10 with heat-preserving container junction chamber 13.Outer protection
System continually provides high-temperature hot-air for heat-preserving container interior room 12 and heat-preserving container junction chamber 13, in heat-preserving container interior room 12, by with
Interior protection system 7 is acted on and forms closed constant temperature space simultaneously, maintains heat-preserving container internal temperature constant, and heater power consumption is greatly reduced
And fan delivery.In heat-preserving container junction chamber 13, high temperature air curtain is formed by conveying a large amount of hot blasts, prevent saturation wet flue gas from entering and protect
Inside warm bucket, heat-preserving container and insulator chamber condensation are prevented.Heat-preserving container interior room 12 passes through insulator cover plate 4 with heat-preserving container junction chamber 13
Separate, insulator cover plate 4 is integral type cover plate, surface not perforate, it is ensured that between heat-preserving container interior room 12 and heat-preserving container junction chamber 13
Definitely isolation.
Operation principle of the invention：Air is heated through blower fan into electric heater, and the hot blast part after heating is through interior room
Hot air duct 5 enters heat-preserving container interior room 12, and another part enters heat-preserving container junction chamber 13 through junction chamber hot air duct 8.Outer protection
System is continually that heat-preserving container interior room 12 and heat-preserving container junction chamber 13 provide high-temperature hot-air.A part of hot blast enters in heat-preserving container
It is the collective effect of ring heater by interior protection system 7 behind room 12, maintenance insulation barrel temperature is between 60-100 DEG C.By
In strictly sealing and the not perforate of insulator cover plate 4 of heat-preserving container interior room 12 and heat-preserving container junction chamber 13 so that heat-preserving container interior room 12 is
Confined space, therefore, hot blast rate seldom, can be greatly reduced fan delivery needed for heat-preserving container inside.Another part hot blast enters
Heat-preserving container junction chamber 13, forms high temperature air curtain in heat-preserving container junction chamber 13, and wet scrubber inside saturation wet flue gas are carried out
Isolation so that hot-blast pressure is higher than saturation wet flue gas pressure, and then prevent wet flue gas from entering heat-preserving container and insulator, it is to avoid insulation
Bucket and insulator chamber condensation.
Claims (9)
1. a kind of hot blast protection device for wet electrical dust precipitator, including heat-preserving container body (1), insulation barrel top cover (2), insulation
Sub- body (3), insulator cover plate (4), outer protection system and interior protection system (7), the outer protection system are located at heat-preserving container sheet
Body (1) is outside, and heat-preserving container body (1) bottom there also is provided heat-preserving container contiguous block (10)；In the heat-preserving container body (1)
Wall, insulation barrel top cover (2) and insulator body (3) outer wall form heat-preserving container interior room (12)；Insulator body (3) inwall,
Insulator cover plate (4) forms heat-preserving container junction chamber (13) with heat-preserving container contiguous block (10) inwall；Opened on the heat-preserving container body (1)
Interior room hot air duct (5) is provided with, the interior room hot air duct (5) is perpendicular to heat-preserving container body (1) outer wall and heat-preserving container interior room
(12) connect；Characterized in that, junction chamber hot air duct (8) is further opened with heat-preserving container contiguous block (10) outer wall, it is described
Junction chamber hot air duct (8) is connected perpendicular to heat-preserving container contiguous block (10) outer wall with heat-preserving container junction chamber (13)；The heat-preserving container
Interior room (12) is separated with heat-preserving container junction chamber (13) by insulator cover plate (4), and the insulator cover plate (4) is non-porous.
2. the hot blast protection device for wet electrical dust precipitator according to claim 1, it is characterised in that be additionally provided with interior room
Inlet flange (6), described interior room hot air duct (5) one end is connected with outer protection system, and the other end connects through interior room inlet flange (6)
Logical heat-preserving container interior room (12).
3. the hot blast protection device for wet electrical dust precipitator according to claim 2, it is characterised in that be additionally provided with connection
Chamber inlet flange (9), described junction chamber hot air duct (8) one end is connected with outer protection system, and the other end is through connecting chamber inlet method
Blue (9) connect heat-preserving container junction chamber (13).
4. the hot blast protection device for wet electrical dust precipitator according to Claims 2 or 3, it is characterised in that described outer
Protection system is made up of blower fan and electric heater.
5. the hot blast protection device for wet electrical dust precipitator according to claim 4, it is characterised in that the interior protection
System (7) is ring heater, and the ring heater is arranged in heat-preserving container interior room (12) bottom around insulator body (3).
6. the hot blast protection device for wet electrical dust precipitator according to claim 5, it is characterised in that the insulator
Seal (11), the heat-preserving container interior room (12) and heat-preserving container junction chamber are installed between body (3) and insulator cover plate (4)
(13) seal (11) is also installed between.
7. the hot blast protection device for wet electrical dust precipitator according to claim 6, it is characterised in that the heat-preserving container
Junction chamber (13) bottom is additionally provided with heat-preserving container pivot flange (14), the warm bucket pivot flange of heat-preserving container junction chamber (13)
(14) it is fixedly connected with wet scrubber body.
8. the hot blast protection device for wet electrical dust precipitator according to claim 7, it is characterised in that the heat-preserving container
The internal diameter of interior room (12) is 700mm-1000mm, and the internal diameter of the heat-preserving container contiguous block (10) is 400mm-500mm.
9. the hot blast protection device for wet electrical dust precipitator according to claim 8, it is characterised in that the interior room heat
The internal diameter of wind pipeline (5) and junction chamber hot air duct (8) is 65mm-80mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166453.7A CN106733190B (en) | 2016-12-16 | 2016-12-16 | A kind of hot blast protection device for wet electrical dust precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611166453.7A CN106733190B (en) | 2016-12-16 | 2016-12-16 | A kind of hot blast protection device for wet electrical dust precipitator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106733190A true CN106733190A (en) | 2017-05-31 |
| CN106733190B CN106733190B (en) | 2018-03-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611166453.7A Active CN106733190B (en) | 2016-12-16 | 2016-12-16 | A kind of hot blast protection device for wet electrical dust precipitator |
Country Status (1)
| Country | Link |
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| CN (1) | CN106733190B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114534920A (en) * | 2022-02-23 | 2022-05-27 | 中冶赛迪重庆信息技术有限公司 | Nitrogen rotational flow sealing heat-preserving barrel for wet electric dust collector |
| KR20230036265A (en) * | 2021-09-07 | 2023-03-14 | 박한준 | Insulator protection device for electric precipitator |
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| CN101134179A (en) * | 2007-09-30 | 2008-03-05 | 海城市兰天炉窑除尘设备有限公司 | Vertical type anti-dewfall electric dust separator |
| CN102235742A (en) * | 2010-05-05 | 2011-11-09 | 彩熙太阳能环保技术(天津)有限公司 | Pipe joint high temperature hot-air furnace |
| CN202045010U (en) * | 2011-03-15 | 2011-11-23 | 四川省四维环保设备有限公司 | Protector for high tension shackle insulator of electrical tar precipitator |
| WO2014145272A1 (en) * | 2013-03-15 | 2014-09-18 | O'brian Michael A | Oil-collecting electrostatic precipitator |
| CN104971825A (en) * | 2015-07-14 | 2015-10-14 | 山东国舜建设集团有限公司 | Hanging type insulating device of wet electric precipitator insulating box |
| CN206356138U (en) * | 2016-12-16 | 2017-07-28 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101134179A (en) * | 2007-09-30 | 2008-03-05 | 海城市兰天炉窑除尘设备有限公司 | Vertical type anti-dewfall electric dust separator |
| CN102235742A (en) * | 2010-05-05 | 2011-11-09 | 彩熙太阳能环保技术(天津)有限公司 | Pipe joint high temperature hot-air furnace |
| CN202045010U (en) * | 2011-03-15 | 2011-11-23 | 四川省四维环保设备有限公司 | Protector for high tension shackle insulator of electrical tar precipitator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20230036265A (en) * | 2021-09-07 | 2023-03-14 | 박한준 | Insulator protection device for electric precipitator |
| KR102552723B1 (en) * | 2021-09-07 | 2023-07-06 | 박한준 | Insulator protection device for electric precipitator |
| CN114534920A (en) * | 2022-02-23 | 2022-05-27 | 中冶赛迪重庆信息技术有限公司 | Nitrogen rotational flow sealing heat-preserving barrel for wet electric dust collector |
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| Publication number | Publication date |
|---|---|
| CN106733190B (en) | 2018-03-09 |
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