CN202909582U - Filtering bag protection device for boiler dust remover - Google Patents
Filtering bag protection device for boiler dust remover Download PDFInfo
- Publication number
- CN202909582U CN202909582U CN 201220636779 CN201220636779U CN202909582U CN 202909582 U CN202909582 U CN 202909582U CN 201220636779 CN201220636779 CN 201220636779 CN 201220636779 U CN201220636779 U CN 201220636779U CN 202909582 U CN202909582 U CN 202909582U
- Authority
- CN
- China
- Prior art keywords
- flue
- electrically connected
- benefit
- dust remover
- valve
- 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
Links
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a filtering bag protection device for a boiler dust remover. A main flue and an air compensation passage are connected to the flue gas inlet end of the dust remover; a flue switch valve is mounted in the main flue, and is electrically connected with a switch control contactor; an air compensation valve is mounted in the air compensation passage, and is electrically connected with an air compensation control contactor; a flue gas temperature acquisition device is mounted in the main flue; the signal output end of the flue gas temperature acquisition device is connected with a temperature controller; the temperature controller is connected with a switch control relay and an air compensation control relay through conducting wires; the normally open contact of the switch control relay is electrically connected with the switch control contactor; the normally open contact of the air compensation control relay is electrically connected with the air compensation control contactor; the flue gas temperature acquisition device is used for detecting flue gas temperature, and transmitting the parameter into the temperature controller; and when the temperature is over high, the air compensation passage is driven to be opened through the temperature controller, so as to adjust flue gas temperature, and ensure safe use of the filtering bag of the dust remover. The structure is simple; and the use and the control are convenient.
Description
Technical field
The utility model relates to a kind of electric protective device, relates in particular to a kind of electric protective device for the protection of the use of boiler dust remover filter bag.
Background technology
At present aspect the industrial high temperature boiler dusting and the cement industry grog fire the filter bag of dust collector that production line uses filter bag protection device all be not installed because the undesired situation of producing, the as easy as rolling off a log filter bag infringement with deduster of the waste gas of high temperature.Although the Some Enterprises that has has been installed the benefit cooling air unit, the most opening degrees that need to adjust manually cold blast sliding valve, mainly there is following shortcoming in this benefit wind mode:
One, benefit wind reaction speed is slow, can not effectively implement protection to filter bag of dust collector.
Two, need to arrange specific staff to guard, be unfavorable for alleviating staff's labour intensity, and saving has been worked.
Three, the control of benefit air quantity is inaccurate, if it is few to mend air quantity, can not reach best protection effect; If it is large to mend air quantity, then is that EGT is excessively low, produce easily the dewfall phenomenon.
The utility model content
Technical problem to be solved in the utility model provide a kind of simple in structure, the protection successful the boiler dust remover filter bag protection device.
For solving the problems of the technologies described above, the technical solution of the utility model is: the boiler dust remover filter bag protection device, flue gas inlet end at deduster is connected with flue collector and mends the air channel, the flue switch valve is installed in the described flue collector, described flue switch valve is electrically connected with the switch control contactor of the described flue switch valve duty of control, described benefit is equipped with the benefit air-valve in the air channel, and described benefit air-valve is electrically connected with the benefit wind control contactor of the described benefit air-valve duty of control; The flue-gas temperature harvester is installed in the described flue collector, the signal output part of described flue-gas temperature harvester is connected with temperature controller, the control signal output of described temperature controller is connected with the switch control relay and mends the wind control relay by wire respectively, the normally opened contact of described switch control relay is electrically connected described switch control contactor, and the normally opened contact of described benefit wind control relay is electrically connected described benefit wind control contactor.
As preferred technical scheme, described benefit air channel is set to cold wind and mends the air channel.
As preferred technical scheme, described benefit air channel also comprises hot blast benefit air channel.
As to improvement of the technical scheme, described flue-gas temperature harvester is included in the thermal resistance of installing in the described flue collector, and described thermal resistance output is electrically connected described temperature controller.
Owing to adopted technique scheme, the boiler dust remover filter bag protection device, flue gas inlet end at deduster is connected with flue collector and mends the air channel, the flue switch valve is installed in the described flue collector, described flue switch valve is electrically connected with the switch control contactor of the described flue switch valve duty of control, described benefit is equipped with the benefit air-valve in the air channel, and described benefit air-valve is electrically connected with the benefit wind control contactor of the described benefit air-valve duty of control; The flue-gas temperature harvester is installed in the described flue collector, the signal output part of described flue-gas temperature harvester is connected with temperature controller, the control signal output of described temperature controller is connected with the switch control relay and mends the wind control relay by wire respectively, the normally opened contact of described switch control relay is electrically connected described switch control contactor, and the normally opened contact of described benefit wind control relay is electrically connected described benefit wind control contactor; The beneficial effects of the utility model are: detect flue-gas temperature by the flue-gas temperature harvester, and temperature parameter is transferred in the temperature controller, if excess Temperature then drive to mend the air channel by temperature controller and open, flue-gas temperature is adjusted, to reach the safe handling of satisfying dedusting filtering bag, simple in structure, use control convenient.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein:
Accompanying drawing is the electric control theory figure of the utility model embodiment.
The specific embodiment
Below in conjunction with drawings and Examples, further set forth the utility model.In the following detailed description, only by the mode of explanation some example embodiment of the present utility model has been described.Undoubtedly, those of ordinary skill in the art can recognize, in the situation that does not depart from spirit and scope of the present utility model, can revise described embodiment with various mode.Therefore, accompanying drawing is illustrative with being described in essence, rather than is used for the protection domain of restriction claim.
As shown in drawings, the boiler dust remover filter bag protection device is connected with flue collector and mends the air channel at the flue gas inlet end of deduster, and flue switch valve Yv is installed in the described flue collector
l, described flue switch valve Yv
lBe electrically connected with the described flue switch valve YV of control
1The switch control contactor KT of duty
1, be equipped with in the described benefit air channel and mend air-valve YV
2, described benefit air-valve YV
2Be electrically connected with the described benefit air-valve YV of control
2The benefit wind control contactor KT of duty
2The flue-gas temperature harvester is installed in the described flue collector, and the signal output part of described flue-gas temperature harvester is connected with temperature controller XMJ
22, described temperature controller XMJ
22The control signal output be connected with switch control relay KA by wire respectively
6With benefit wind control relay KA
7, described switch control relay KA
6Normally opened contact be electrically connected described switch control contactor KT
1, described benefit wind control relay KA
7Normally opened contact be electrically connected described benefit wind control contactor KT
2
This described flue-gas temperature harvester of having implemented is included in the thermal resistance R that installs in the described flue collector, and described thermal resistance R output is electrically connected described temperature controller XMJ
22And described benefit air channel is set to cold wind benefit air channel.
Accompanying drawing is the electric drawings of present embodiment, when flue gas is normal, and temperature controller XMJ
22Gauge tap control relay KA
6Begin normal operation, and mend wind control relay KA
7Do not work, and driving switch control contactor KT
1Work, and then control flue switch valve YV
1Open, and mend air-valve YV
2Close; And when flue-gas temperature is too high, temperature controller XMJ
22Wind control relay KA is mended in control
7Work, and switch control relay KA
6Do not work, and drive benefit wind control contactor KT
2Work, and then mend air-valve YV
2Open, flue gas is carried out temperature-compensating, to reach the purpose that reduces flue-gas temperature, protection filter bag of dust collector.
Certainly for further safe handling, can also comprise also that in described benefit air channel it is to mend accordingly air-valve, mend the wind control contactor and mend the wind control relay that hot blast is mended the air channel, replenish the hot blast use to satisfy, to improve flue-gas temperature, prevent that filter bag of dust collector from crossing the low dewfall that produces because of flue-gas temperature, the security row that provides filter bag of dust collector to use is provided more.
Description of the present utility model provides for example with for the purpose of describing, and is not exhaustively or with the utility model to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Selecting and describing embodiment is for better explanation principle of the present utility model and practical application, thereby and makes those of ordinary skill in the art can understand the various embodiment with various modifications that the utility model design is suitable for special-purpose.
Claims (4)
1. boiler dust remover filter bag protection device, it is characterized in that: the flue gas inlet end at deduster is connected with flue collector and mends the air channel, the flue switch valve is installed in the described flue collector, described flue switch valve is electrically connected with the switch control contactor of the described flue switch valve duty of control, described benefit is equipped with the benefit air-valve in the air channel, and described benefit air-valve is electrically connected with the benefit wind control contactor of the described benefit air-valve duty of control; The flue-gas temperature harvester is installed in the described flue collector, the signal output part of described flue-gas temperature harvester is connected with temperature controller, the control signal output of described temperature controller is connected with the switch control relay and mends the wind control relay by wire respectively, the normally opened contact of described switch control relay is electrically connected described switch control contactor, and the normally opened contact of described benefit wind control relay is electrically connected described benefit wind control contactor.
2. boiler dust remover filter bag protection device as claimed in claim 1 is characterized in that: described benefit air channel is set to cold wind and mends the air channel.
3. boiler dust remover filter bag protection device as claimed in claim 2 is characterized in that: described benefit air channel comprises that also hot blast mends the air channel.
4. such as claim 1,2 or 3 described boiler dust remover filter bag protection devices, it is characterized in that: described flue-gas temperature harvester is included in the thermal resistance of installing in the described flue collector, and described thermal resistance output is electrically connected described temperature controller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220636779 CN202909582U (en) | 2012-11-28 | 2012-11-28 | Filtering bag protection device for boiler dust remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220636779 CN202909582U (en) | 2012-11-28 | 2012-11-28 | Filtering bag protection device for boiler dust remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202909582U true CN202909582U (en) | 2013-05-01 |
Family
ID=48157930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220636779 Expired - Fee Related CN202909582U (en) | 2012-11-28 | 2012-11-28 | Filtering bag protection device for boiler dust remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202909582U (en) |
-
2012
- 2012-11-28 CN CN 201220636779 patent/CN202909582U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203578005U (en) | Electrostatic precipitator | |
| CN202909582U (en) | Filtering bag protection device for boiler dust remover | |
| CN201363906Y (en) | Gas water heater with flue blockage protection device | |
| CN204693721U (en) | Novel equipment room ventilation purification plant | |
| CN204141697U (en) | The heating plant of a kind of temperature controller and boiler coordinated signals | |
| CN202382369U (en) | Electronic intelligent energy saving control device for computer room air conditioners | |
| CN205489217U (en) | Automatic high -voltage board of dehumidification | |
| CN104990119B (en) | More water pot heating equipments | |
| CN203421676U (en) | Slag heat recovery structure | |
| CN202267619U (en) | Air flow sampling device for coal pulverizing system | |
| CN204553868U (en) | A kind of safety valve being applicable to control high-temperature flue gas | |
| CN203043781U (en) | Desulfurization dust-removal device | |
| CN202478753U (en) | Internal bypass filter bag protector of bag filter | |
| CN104152619B (en) | High temperature gathers dust the method for baffle plate folding and unfolding | |
| CN201596423U (en) | Anti-burning device of filter bag of bag dust collector | |
| CN204593425U (en) | The dedusting of flue gas efficient electric and fume afterheat utilize combination unit | |
| CN205090812U (en) | Automatic switching control equipment is handled to flue gas | |
| CN104251485A (en) | Boiler control system | |
| CN203108912U (en) | Continuous dust removal system | |
| CN202691240U (en) | Stop valve of gas pipeline | |
| CN102847393A (en) | Main dust collector protection device and method of drying machine | |
| CN203175331U (en) | Ground coal hot air furnace smoke and fire prevention door for coal mine intake shaft | |
| CN203454816U (en) | Kiln tail bag dust collector with automatic protection device | |
| CN205535926U (en) | Hot -blast recoverer of paperboard production line steam boiler | |
| CN211116083U (en) | Mine ventilation air increasing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130501 Termination date: 20151128 |