CN207187372U - Sack cleaner anti-condensation automaton - Google Patents
Sack cleaner anti-condensation automaton Download PDFInfo
- Publication number
- CN207187372U CN207187372U CN201720235243.2U CN201720235243U CN207187372U CN 207187372 U CN207187372 U CN 207187372U CN 201720235243 U CN201720235243 U CN 201720235243U CN 207187372 U CN207187372 U CN 207187372U
- Authority
- CN
- China
- Prior art keywords
- air
- temperature
- deduster
- heat exchanger
- flue gas
- Prior art date
- 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.)
- Expired - Fee Related
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Abstract
Utility model is related to field of dust removal equipment, more particularly to sack cleaner anti-condensation automaton.Its structure is：Deduster air outlet sets the first temperature sensor；Fume temperature regulator is set in boiler exhaust gas total pipeline, then connected with deduster air inlet；Temperature adjustment flue communicates with the combustion chamber of boiler, and is sequentially connected flue gas heat-exchange unit, air heat exchanger, blower fan, fume temperature regulator；Injection air accumulator is connected by pipeline with air heat exchanger and air heater respectively, then connects the injection pipeline of deduster respectively.Utility model utilizes boiler furnace flue gas heat, and through flue gas heat-exchange unit, air heat exchanger reducing temperature twice, the flue gas entered in fume temperature regulator with boiler exhaust gas total pipeline is mixed, entered back into deduster；First temperature sensor sets preset temperature, and switch board automatically controls the temperature into flue gas in deduster, effectively prevent sack cleaner condensation, extends life of bag filter；Blows air heats through air heat exchanger or air heater, prevents from, because blows air temperature is less than pressure leak source, causing filter bag to condense.
Description
Technical field
It the utility model is related to field of dust removal equipment, more particularly to sack cleaner anti-condensation automaton.
Background technology
Sack cleaner has efficiency of dust collection high (up to 99.9%), and discharge dustiness meets the technologies such as national requirements for environmental protection
Feature, it is widely used in the flue gas ash removal of boiler, hot-blast stove etc..But in actual motion, often there is deduster and leak out, be incubated
Bad, blows air temperature causes the temperature into deduster smoke chamber to be less than flue gas dew point, led less than factors such as pressure leak sources
Filter bag condensation is caused, the failure such as filter bag corrosion, paste bag occurs, has seriously shortened the service life of filter bag, has influenceed the normal of deduster
Work.
The content of the invention
Goal of the invention of the present utility model is that providing one kind utilizes boiler smoke heat, can automatically control into dedusting
The gentle blows air temperature of cigarette of device, effectively prevents sack cleaner from condensing, the sack cleaner for extending life of bag filter is prevented
Condense automaton.
The technical scheme of utility model is achieved in that sack cleaner anti-condensation automaton structure is mainly wrapped
Including air heater 2, the 3rd autocontrol valve 3 is blown air accumulator 4, smoke explorer road 5, blower fan 6, the first autocontrol valve 7,
Fume temperature regulator 8, flue gas heat-exchange unit 9, air heat exchanger 10, the first temperature sensor 11, the second autocontrol valve 12, temperature adjustment cigarette
Feed channel 14, second temperature sensor 15, switch board；
The combustion chamber of the temperature adjustment flue 14 and boiler is set, and the air outlet of deduster is provided with described first
Temperature sensor 11；
The fume temperature regulator 8 is set in the smoke explorer road 5 of boiler, the outlet of fume temperature regulator 8 and deduster
Air inlet connects；
The temperature adjustment flue 14 is sequentially connected flue gas heat-exchange unit 9, air heat exchanger 10, blower fan 6, fume temperature regulator 8；
The port of export of flue gas heat-exchange unit 9 is provided with second temperature sensor 15；Temperature adjustment flue 14 between blower fan 6 and fume temperature regulator 8
It is provided with the first autocontrol valve 7；
Injection air accumulator 4 be connected respectively by pipeline with air heat exchanger 10 and air heater 2, be blown air accumulator 4 and
The second autocontrol valve 12 is provided between air heat exchanger 10, is blown automatic provided with the 3rd between air accumulator 4 and air heater 2
Control valve 3, air heat exchanger 10 and air heater 2 are connected by the injection pipeline of pipeline and deduster respectively；
First temperature sensor 11, second temperature sensor 15, blower fan 6, the first autocontrol valve 7, second automatically control
Valve 12, the 3rd autocontrol valve 3, air heater 2 electrically connect with switch board respectively.
The utility model utilizes boiler furnace flue gas heat, through flue gas heat-exchange unit, air heat exchanger reducing temperature twice, in cigarette
The flue gas entered in temperature regulator with boiler exhaust gas total pipeline mixes, and enters back into deduster；The setting of first temperature sensor is pre-
If temperature, switch board automatically controls the temperature into flue gas in deduster, effectively prevent sack cleaner condensation, extends filter bag
Service life；Blows air heats through air heat exchanger or air heater, prevents because blows air temperature is less than pressure leak source,
Filter bag is caused to condense.
Brief description of the drawings
Fig. 1 is the structural representation of sack cleaner anti-condensation automaton；
In figure, 1 boiler, 2 air heaters, 3 the 3rd autocontrol valves, 4 injection air accumulators, 5 smoke explorer roads, 6 wind
Machine, 7 first autocontrol valves, 8 fume temperature regulators, 9 flue gas heat-exchange units, 10 air heat exchangers, 11 first temperature sensors, 12
Two autocontrol valves, 13 dedusters, 14 temperature adjustment flues, 15 second temperature sensors.
Embodiment
As shown in figure 1, sack cleaner anti-condensation automaton is the combustion for setting temperature adjustment flue 14 and boiler 1
Burn room to be connected, the air outlet of deduster 13 is provided with the first temperature sensor 11.
Fume temperature regulator 8, the outlet of fume temperature regulator 8 and entering for deduster 13 are set in the smoke explorer road 5 of boiler 1
Air port connects；
Temperature adjustment flue 14 is sequentially connected flue gas heat-exchange unit 9, air heat exchanger 10, blower fan 6, fume temperature regulator 8；Flue gas
The port of export of heat exchanger 9 is provided with second temperature sensor 15；Set on temperature adjustment flue 14 between blower fan 6 and fume temperature regulator 8
There is the first autocontrol valve 7；
Injection air accumulator 4 be connected respectively by pipeline with air heat exchanger 10 and air heater 2, be blown air accumulator 4 and
The second autocontrol valve 12 is provided between air heat exchanger 10, is blown automatic provided with the 3rd between air accumulator 4 and air heater 2
Control valve 3, air heat exchanger 10 and air heater 2 are connected by pipeline with the injection pipeline of deduster 13 respectively；
First temperature sensor 11, second temperature sensor 15, blower fan 6, the first autocontrol valve 7, second automatically control
Valve 12, the 3rd autocontrol valve 3, air heater 2 electrically connect with switch board respectively.
First temperature sensor 11 sets preset temperature T1-T2, when the first temperature sensor 11 monitors that deduster 13 goes out
When flue-gas temperature is less than preset temperature T1 in the pipeline of air port, switch board controls the first autocontrol valve 7, blower fan 6 to open, in blower fan
The part high-temperature flue gas of the combustion chamber of boiler 1 sequentially enters flue gas heat-exchange unit 9, air by temperature adjustment flue 14 in the presence of 6
After heat exchanger 10, blower fan 6, into fume temperature regulator 8, mixed in fume temperature regulator 8 with the flue gas entered via smoke explorer road 5
After conjunction, into the air inlet of deduster 13.With being continuously increased for the high-temperature flue gas flow for being filled with fume temperature regulator 8, the first temperature
Degree sensor 11 indicates that reading gradually rises, and when reaching preset temperature T2, instruction is sent by switch board, and blower fan 6 stops accelerating,
Maintain present flow rate constant.Ensure that flue-gas temperature is in the range of default T1-T2 all the time in the air outlet pipeline of deduster 13.It is default
Temperature T1 is more than flue gas dew point temperature, ensure that the cigarette temperature in deduster 13 is higher than dew-point temperature, effectively prevents filter bag to condense.
When the first temperature sensor 11 monitors that the air outlet tunnel gas temperature of deduster 13 is higher than preset temperature T2, control
Cabinet processed controls the first autocontrol valve 7 and blower fan 6 to close, and flue gas temperature adjustment stops, and only the flue gas in smoke explorer road 5 is through cigarette temperature
Adjuster 8 enters in deduster 13.
When the first temperature sensor 11 monitors that flue-gas temperature is less than preset temperature T1 in the air outlet pipeline of deduster 13,
Switch board controls the second autocontrol valve 12 to open simultaneously, and blows air passes through air under the pressure effect of injection air accumulator 4
Heat exchanger 10 produces heat exchange with flue gas, the injection pipeline of deduster 13 is entered after being heated, by the setting process pair of deduster 13
Filter bag is blown, and prevents from, because blows air temperature is less than pressure leak source, causing filter bag to condense；Now, the 3rd autocontrol valve 3
It is closed.All the time in when presetting in the range of T1-T2, second controls flue-gas temperature automatically in the air outlet pipeline of deduster 13
Valve 12 processed is always on, and the 3rd autocontrol valve 3 is closed, and maintains above-mentioned operation.
When the first temperature sensor 11 monitors that flue-gas temperature is more than preset temperature T2 in the air outlet pipeline of deduster 13,
Switch board controls the 3rd autocontrol valve 3 to open, and the second autocontrol valve 12 is closed, and air heater 2 starts, and is blown air accumulator
Air in 4 is via pipeline air inlet heater 2, into the injection pipeline of deduster 13 after heating, by setting for deduster 13
Constant current journey is blown to filter bag, prevents from, because blows air temperature is less than pressure leak source, causing filter bag to condense.
Flue gas heat-exchange unit 9 can use boiler blow-down water (or feedwater) be used as heat transfer medium, by heat exchange, boiler blow-down water (or
Feedwater) it is heated, steam generator system is entered back into, not only reduces flue-gas temperature, also reaches the effect of energy-conservation.Flue gas heat-exchange unit 9 is also
The heat exchanger of other media can be used, flue gas and medium heat exchange is realized, makes flue gas cool-down.
Blower fan 6 can use frequency conversion fan, it is possible to use the common blower fan of Frequency Converter Control.
Claims (1)
1. sack cleaner anti-condensation automaton, it is characterized in that：Structure mainly includes air heater (2), and the 3rd certainly
Dynamic control valve (3), injection air accumulator (4), smoke explorer road (5), blower fan (6), the first autocontrol valve (7), fume temperature regulator
(8), flue gas heat-exchange unit (9), air heat exchanger (10), the first temperature sensor (11), the second autocontrol valve (12), temperature adjustment cigarette
Feed channel (14), second temperature sensor (15), switch board；
The combustion chamber of the temperature adjustment flue (14) and boiler is set, and the air outlet of deduster is provided with the described first temperature
Spend sensor (11)；
The fume temperature regulator (8), the outlet of fume temperature regulator (8) and deduster are set in the smoke explorer road (5) of boiler
Air inlet connection；
The temperature adjustment flue (14) is sequentially connected flue gas heat-exchange unit (9), air heat exchanger (10), blower fan (6), the regulation of cigarette temperature
Device (8)；Flue gas heat-exchange unit (9) port of export is provided with second temperature sensor (15)；Between blower fan (6) and fume temperature regulator (8)
Temperature adjustment flue (14) is provided with the first autocontrol valve (7)；
Injection air accumulator (4) is connected by pipeline with air heat exchanger (10) and air heater (2) respectively, is blown air accumulator
(4) be provided with the second autocontrol valve (12) between air heat exchanger (10), injection air accumulator (4) and air heater (2) it
Between be provided with the 3rd autocontrol valve (3), air heat exchanger (10) and air heater (2) pass through the spray of pipeline and deduster respectively
Blowpipe road connects；
It is first temperature sensor (11), second temperature sensor (15), blower fan (6), the first autocontrol valve (7), second automatic
Control valve (12), the 3rd autocontrol valve (3), air heater (2) electrically connect with switch board respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235243.2U CN207187372U (en) | 2017-03-07 | 2017-03-07 | Sack cleaner anti-condensation automaton |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720235243.2U CN207187372U (en) | 2017-03-07 | 2017-03-07 | Sack cleaner anti-condensation automaton |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207187372U true CN207187372U (en) | 2018-04-06 |
Family
ID=61792444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720235243.2U Expired - Fee Related CN207187372U (en) | 2017-03-07 | 2017-03-07 | Sack cleaner anti-condensation automaton |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207187372U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568174A (en) * | 2017-03-07 | 2018-09-25 | 鸡西市星光热风炉制造有限公司 | Bag filter anti-condensation automatic control device |
| CN110280083A (en) * | 2019-08-06 | 2019-09-27 | 惠州易涂佳实业有限公司 | A kind of device for recovering powder of powdery paints meal outlet |
| CN115430213A (en) * | 2022-09-05 | 2022-12-06 | 中冶长天国际工程有限责任公司 | Intelligent control anti-condensation type saturated wet flue gas flow mixing system and method |
-
2017
- 2017-03-07 CN CN201720235243.2U patent/CN207187372U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108568174A (en) * | 2017-03-07 | 2018-09-25 | 鸡西市星光热风炉制造有限公司 | Bag filter anti-condensation automatic control device |
| CN110280083A (en) * | 2019-08-06 | 2019-09-27 | 惠州易涂佳实业有限公司 | A kind of device for recovering powder of powdery paints meal outlet |
| CN115430213A (en) * | 2022-09-05 | 2022-12-06 | 中冶长天国际工程有限责任公司 | Intelligent control anti-condensation type saturated wet flue gas flow mixing system and method |
| CN115430213B (en) * | 2022-09-05 | 2023-06-23 | 中冶长天国际工程有限责任公司 | Intelligent control anti-condensation saturated wet flue gas mixed flow system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180406 Termination date: 20200307 |