CN206356138U - 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
- CN206356138U CN206356138U CN201621390774.0U CN201621390774U CN206356138U CN 206356138 U CN206356138 U CN 206356138U CN 201621390774 U CN201621390774 U CN 201621390774U CN 206356138 U CN206356138 U CN 206356138U
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- heat
- preserving container
- interior room
- junction chamber
- insulator
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Abstract
The utility model 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.Fan delivery and electric heater power consumption is greatly reduced in the utility model, 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 utility model is related to a kind of hot blast protection device, and particularly a kind of hot blast for wet electrical dust precipitator protects dress
Put, belong to wet electrical dust precipitator technical field.
Background technology
Hot blast protects system as the important component of wet electrical dust precipitator, to preventing insulator condensation, climbing electric and fried
Split, maintain clean and tidy running environment inside heat-preserving container 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 is 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.
Utility model content
The purpose of this utility model is that there is provided a kind of hot blast protection device for wet electrical dust precipitator.This practicality is new
Type changes the arrangement of original device, and under conditions of heat-preserving container allows running temperature, fan delivery and electricity is greatly reduced
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 fortune of wet electrical dust precipitator
OK.
In order to solve the above technical problems, the utility model 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 formation heat-preserving container interior room.The insulator body inwall, insulator cover plate and heat-preserving container contiguous block inwall formation heat-preserving container 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
A large amount of hot blast formation high temperature air curtains are sent, prevent saturation wet flue gas from entering inside heat-preserving container, heat-preserving container and insulator chamber condensation is prevented.
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, and hot blast can be supplemented in time, 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 formation 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 between interior room and heat-preserving container junction chamber by seal.
For the circulating area certain to wet scrubber inside smoke, 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 utility model changes the arrangement of original device, and in heat-preserving container interior room, hot blast leads to
Cross with ring heater while effect forms closed constant temperature space, maintenance heat-preserving container internal temperature is constant；In heat-preserving container junction chamber,
By conveying a large amount of hot blast formation high temperature air curtains, saturation wet flue gas is prevented to enter inside heat-preserving container.Allow operation temperature in heat-preserving container
Under conditions of degree, 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 are not tied
Dew, it is ensured that the stable operation of wet electrical dust precipitator.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is structural representation of the present utility model.
The implication of reference：1- heat-preserving container bodies, 2- insulation barrel top covers, 3- insulator bodies, 4- insulator cover plates, 5-
Protection system in interior room hot air duct, 6- interior room inlet flanges, 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 utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：As depicted in figs. 1 and 2, one kind is removed suitable for 300MMW thermal power generation unit wet types
The hot blast protection device of dirt device, 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.Seal 11 is installed between insulator body 3 and insulator cover plate 4, encapsulation process is carried out.Outside
Protection system is outside heat-preserving container body 1, and the bottom of heat-preserving container body 1 there also is provided heat-preserving container contiguous block 10, heat-preserving container connection
The internal diameter of block 10 is 430mm.The inwall of heat-preserving container body 1, insulation barrel top cover 2 and the outer wall of insulator body 3 formation heat-preserving container interior room
12, the internal diameter of heat-preserving container interior room 12 is 700mm.The inwall of insulator body 3, insulator cover plate 4 and the inwall of heat-preserving container contiguous block 10
Form heat-preserving container junction chamber 13.For the circulating area certain to wet scrubber inside smoke, the bottom of heat-preserving container junction chamber 13
Heat-preserving container pivot flange 14 is additionally provided with, is supported in wet except body steel construction, 13 warm barrels of pivot flanges of heat-preserving container junction chamber 14
It is fixedly connected with wet scrubber body.Isolated between heat-preserving container interior room 12 and heat-preserving container junction chamber 13 by seal 11.
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 perpendicular to the outer wall of heat-preserving container contiguous block 10 with heat-preserving container junction chamber 13.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
For 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 forms confined space simultaneously, further maintains heat-preserving container internal temperature constant more than 60 DEG C, heater work(is greatly reduced
Consumption and fan delivery.In heat-preserving container junction chamber 13, by conveying a large amount of hot blast formation high temperature air curtains, saturation wet flue gas is prevented to enter
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 connects heat-preserving container interior room 12 through interior room inlet flange 6, and hot blast can be supplemented in time, maintains 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 formation 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 and the outer wall of insulator body 3 formation heat-preserving container interior room 12.The inwall of insulator body 3, insulator cover plate 4 and insulation
Bucket contiguous block 10 inwall formation 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 acts on and forms closed constant temperature space simultaneously, maintains heat-preserving container internal temperature constant, heater power consumption is greatly reduced
And fan delivery.In heat-preserving container junction chamber 13, by conveying a large amount of hot blast formation high temperature air curtains, 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
Separation, 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 present utility model：Air is heated through blower fan into electric heater, the hot blast part warp after heating
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.Outside
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 insulation
Bucket interior room 12 after, by interior protection system 7 be ring heater collective effect, maintain insulation barrel temperature 60-100 DEG C it
Between.Due to 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 be confined space, therefore, and seldom, fan delivery can be greatly reduced in hot blast rate needed for inside heat-preserving container.Another part hot blast
Into heat-preserving container junction chamber 13, high temperature air curtain is formed in heat-preserving container junction chamber 13, to wet scrubber inside saturation wet flue gas
Isolated so that hot-blast pressure is higher than saturation wet flue gas pressure, and then prevents wet flue gas from entering heat-preserving container and insulator, it is to avoid
Heat-preserving container 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 formation heat-preserving container interior room (12)；Insulator body (3) inwall,
Insulator cover plate (4) and heat-preserving container contiguous block (10) inwall formation heat-preserving container junction chamber (13)；Opened on the heat-preserving container body (1)
Provided with interior room hot air duct (5), 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 according to claim 1 for wet electrical dust precipitator, 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 according to claim 2 for wet electrical dust precipitator, 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) connection 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 according to claim 4 for wet electrical dust precipitator, 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 according to claim 5 for wet electrical dust precipitator, 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 according to claim 6 for wet electrical dust precipitator, 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 according to claim 7 for wet electrical dust precipitator, 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 according to claim 8 for wet electrical dust precipitator, 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 |
|---|---|---|---|
| CN201621390774.0U CN206356138U (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 |
|---|---|---|---|
| CN201621390774.0U CN206356138U (en) | 2016-12-16 | 2016-12-16 | A kind of hot blast protection device for wet electrical dust precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206356138U true CN206356138U (en) | 2017-07-28 |
Family
ID=59374214
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621390774.0U Withdrawn - After Issue CN206356138U (en) | 2016-12-16 | 2016-12-16 | A kind of hot blast protection device for wet electrical dust precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206356138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733190A (en) * | 2016-12-16 | 2017-05-31 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
-
2016
- 2016-12-16 CN CN201621390774.0U patent/CN206356138U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106733190A (en) * | 2016-12-16 | 2017-05-31 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
| CN106733190B (en) * | 2016-12-16 | 2018-03-09 | 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20180309 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20180309 |