CN2460188Y - Bag-type dust collector with automatic fire-extinguishing device - Google Patents
Bag-type dust collector with automatic fire-extinguishing device Download PDFInfo
- Publication number
- CN2460188Y CN2460188Y CN 00257608 CN00257608U CN2460188Y CN 2460188 Y CN2460188 Y CN 2460188Y CN 00257608 CN00257608 CN 00257608 CN 00257608 U CN00257608 U CN 00257608U CN 2460188 Y CN2460188 Y CN 2460188Y
- Authority
- CN
- China
- Prior art keywords
- temperature sensor
- powder collector
- nozzle
- pocket type
- type powder
- 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
Images
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Abstract
The utility model relates to the improvement of a bag powder receiving device (dust remover). The improved points are that a temperature transducer and a carbon dioxide nozzle which is distributed in the same position are additionally arranged inside a powder receiving device; a corresponding control circuit can be arranged. Signals collected by a temperature detector can be transmitted into a controller. Starting signals generated by the controller controls an electromagnetic pneumatic valve of the nozzle. After liquid CO2 is gasified, the liquid CO2 can eject from the nozzle, and the oxygen content can be diluted. The temperature in a container can be lowered. Thereby, the functions for automatically completing fire prevention and fire extinction can be realized. The utility model is important improvement for realizing safe operation.
Description
The utility model belongs to the improvement of gas-solid separating device, specifically to the improvement of coal dust or other inflammable and explosive dust collecting.
Coal injection has become the alternative new technology of present metallurgy high furnace and thermal power generation and popularization and application.In the manufacturing of coal dust and transmission, adopt the dense-phase fluidization technology to become one of routine techniques.Wherein one of Chang Yong equipment promptly is pocket type powder collector (also claiming deduster).In whole flouring technology, the pocket type powder collector is weak link in production safety management always, contain oxygen content in the gas of dense phase pulverized coal surpass 12% and uniform temperature under relatively be easy to generate fire.So be the index of receiving strict monitoring in the powder craft over the years, but promptly be the generation that so also is difficult to avoid fire,, form increasing potential danger, and await being improved as early as possible along with the development of the coal combustion technology that dusts.
The purpose of this utility model promptly is that traditional pocket type powder collector structure is improved, and device and circuit that configuration is necessary make its function that can produce automatic monitoring, automatic fire prevention, fire extinguishing, to improve the safe operation reliability of coal dust manufacturing process.
According to long-term safe operation monitoring and data analysis, temperature under the fire alarm index of pocket type powder collector and the certain concentrated phase has the corresponding relation of quite stable, thereby this improved key is exactly that corresponding temperature sensor and the corresponding with it atmospheric carbon dioxide nozzle that distributes are set in the pocket type powder collector.Snow nozzle is connected on the liquid carbon dioxide storage bottle by pipeline and electromagnetism-gas-driving valve, and the startup line trigger signal of electromagnetism-gas-driving valve and the signal transmssion line of temperature sensor are received the corresponding input and output side of control circuit respectively.Like this, whenever the powder collector temperature rises to the control point, then control circuit will send the relative trigger signal and make corresponding electromagnetic pneumatic opening of valves, liquid carbon dioxide enters behind the pipeline gas from the nozzle ejection of correspondence, not only can reduce near the temperature of mentioned nozzle area rapidly, and can effectively reduce percentage oxygen content in the gas phase coal dust, and ignition temperature is descended, play the effect of fire prevention and fire extinguishing.
How further specify the purpose of this utility model according to the embodiment accompanying drawing below realizes.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is embodiment of control circuit.
Fig. 3 is another embodiment of control circuit.
Fig. 4 is the distribution map of temperature sensor.
Wherein 1 represent control circuit, 2 is temperature sensor, and 3 is snow nozzle, 4 is acoustic-optic alarm, and 5 are the compression gas cylinder, and 8 is magnetic valve, 9 is pneumatic pilot valve, 10 are liquid carbon dioxide storage bottle, and 11 is the pocket type powder collector, and T1, T2 are operational amplifier, J1, J2 are relay, BG1 is a triode, and 12 represent the electromagnetic type Pneumatic valve, and L is a decoder.
The basic measures of anti-fire extinguishing are to detect when temperature rises to limiting temperature in the pocket type powder collector to the zone ejection carbon dioxide that heats up.Its source of the gas adopts liquid CO 2 can make ejection gas produce rapid cool effect.The switch of the liquid storage bottle of control is the Pneumatic valve 12 of an electromagnetic type, and this valving is made up of a compressed gas cylinder 5, magnetic valve 8 and a pneumatic pilot valve, controls the startup that compressed gas cylinder leads to operated pneumatic valve 9 by magnetic valve 8.When triggering signal from control circuit 1, be after starting resistor is carried on the magnetic valve 8, make the Compressed Gas in the compressed gas cylinder 5 start pneumatic pilot valve 9 unlatchings by pipeline, the gasification carbon dioxide is sprayed from nozzle 3 by discharge rapidly, for realizing above automatic control, following two enforcement control circuits have been provided.
One of them embodiment as shown in Figure 2, the temperature sensor 2 that is adopted in sort circuit is tubulose temperature relays of a WG-K type, has control open in usual contact, temperature regulating range is 40-250 ℃.After regulating critical-temperature, insert and survey the place.When reaching critical-temperature, the contact can the closed state-detection that realizes critical-temperature.Supporting therewith control circuit is that the on-off circuit that a comparison amplifying circuit of being made up of operational amplifier T1 and BG1 form is formed promptly as shown in Figure 1.The normally opened contact of hygrosensor J1 is serially connected in an input of comparison amplifier.Concrete J1 just is arranged on the corresponding detecting location.The on-off circuit amplifier load promptly is the line bag of control relay J2, when the J1-1 closure, then, make BG1 start conducting by signal of comparison amplifier T1 output, thereby make the load J2 action of BG1, make the J2-1 closure, produce a startup triggering signal voltage and be added on the magnetic valve 8, thereby cause pneumatic operated valve 9 to be opened, the gasification carbon dioxide sprays from nozzle, realizes the control function of its cooling fire extinguishing.
That Fig. 2 provides is the embodiment of another control circuit.That in this example, temperature sensor 2 adopts is thermistor R
TIt is the sequence circuit of control centre that the circuit of set control has adopted with CPU, its concrete structure is the central control unit of being made up of the memory of program software CPU and storage, is made of the trigger element of analog to digital conversion circuit and decoder L formation comparator T2 and forms.Thermistor R
TBe located at detecting location, and by lead R
TResistance imported the input circuit of comparison amplifier T2.Empirical data according to detecting location is provided with adjustable resistance R1 with concrete established standards resistance at another input of T2 in addition.Along with the variation of detecting location, R
TResistance is finished at any time with the corresponding setting resistance of normal temperature and is finished the relatively high and low and zero potential of back output, thereby the data signal that in CPU, realizes conversion, CPU is according to the character and the numbering of input signal, (by decoder L) sends enabling signal to corresponding solenoid valve, thereby realizes the automatic control to corresponding snow nozzle.This control circuit can be realized the sampling to a plurality of temperature sensor states, judges and the control that realizes different respective nozzle, realizes omnibearing automatic fire prevention fire-extinguishing function concurrently.
Which floor setting sensor 2 can divide as required, establishing 2-4 for every layer evenly distributes along the bag filter inwall, 1-3 nozzle can be set near each detector, each nozzle has respective coding, and corresponding corresponding electromagnetic pneumatic valve communicates, be controlled by the control of corresponding temperature sensor, thereby can realize each position is effectively monitored, reach the effect of critical processing fire prevention, fire extinguishing.
After by above design cloth bag collection machine being improved, can monitor effectively discovery a bit, the overtemperature hidden danger of some or multiple spot, can also realize sound and light alarm by control circuit when taking to lower the temperature the fireproof measure effectively, close the interlocking technological equipment, start air exhaust passage or the like a series of measures, prevent that timely and effectively fire from taking place, strengthened the security reliability of equipment greatly, be a important improvement, and may be generalized to effectively on the gatherer of its similar combustible dust this equipment.
Claims (7)
1, a kind of pocket type powder collector with automatic fire extinguisher, it is characterized in that in pocket type powder collector (1 1), being provided with the snow nozzle (3) of temperature sensor (2) and same distribution, the nozzle of carbon dioxide (3) is connected to liquid carbon dioxide storage bottle (10) by electromagnetism-gas-driving valve and respective line, and the enabling signal line of electromagnetism-gas-driving valve and the signal transmssion line of temperature sensor are connected to the corresponding I/O of control circuit (1) of powder collector.
2, according to the said pocket type powder collector of claim 1, it is characterized in that electromagnetism-gas-driving valve is made up of common electromagnetic pipeline valve (8), the compressed gas cylinder (5) that communicates with the series pipe of its control and pneumatic pilot valve (9), pneumatic pilot valve (9) is located between liquid carbon dioxide storage bottle (10) and the fire-suppressant gas output pipe, and the line trigger signal of electromagnetic pipeline valve (8) is connected to the output of control circuit (1).
3, according to the said pocket type powder collector of claim 1, it is characterized in that temperature sensor (2) can adopt J WG-K type tubulose temperature relay, the contact way of contact is often opened, and temperature control is regulated 40-250 ℃.
4, according to the said pocket type powder collector of claim 3, it is characterized in that the on-off circuit that comparison amplifying circuit that control circuit (1) is made up of comparison amplifier T1 and triode BG1 form forms, the relay J 1 of temperature sensor correspondence is located at relevant position in the powder collector, and the triggering signal of the electromagnetism-gas-driving valve of nozzle (3) is sent by the normally opened contact J2-1 of trigger relay J2.
5,, it is characterized in that in each temperature sensor (2) relevant position 1-3 the controlled snow nozzle (3) that distribute on every side according to the said pocket type powder collector of claim 4.
6, according to the said pocket type powder collector of claim 3, it is characterized in that temperature sensor (2) can adopt thermistor RT, the control module that the correspondent control circuits structure is made up of CPU, the trigger element that analog to digital conversion circuit that comparator T2 forms and decoder L constitute is formed.
7, according to the said pocket type powder collector of claim 1, it is characterized in that temperature sensor (2) can distribute by layer, every layer 2-4 evenly distributes by the container inner wall shape, each temperature sensor (2) has a corresponding 1-3 snow nozzle (3) on every side, and each nozzle (3) all is controlled by the triggering signal that respective temperature sensor is sent by corresponding electromagnetism-gas-driving valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257608 CN2460188Y (en) | 2000-10-27 | 2000-10-27 | Bag-type dust collector with automatic fire-extinguishing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00257608 CN2460188Y (en) | 2000-10-27 | 2000-10-27 | Bag-type dust collector with automatic fire-extinguishing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2460188Y true CN2460188Y (en) | 2001-11-21 |
Family
ID=33614078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00257608 Expired - Fee Related CN2460188Y (en) | 2000-10-27 | 2000-10-27 | Bag-type dust collector with automatic fire-extinguishing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2460188Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322283A (en) * | 2011-06-23 | 2012-01-18 | 北京科技大学 | Controllable dry ice storing device for preventing left coal in worked out section from spontaneously combusting |
| CN104190177A (en) * | 2014-09-24 | 2014-12-10 | 陈美青 | Explosion-proof dust remover |
| CN106178788A (en) * | 2016-08-26 | 2016-12-07 | 陈美青 | Self-extinguishing cleaner unit |
| CN107643149A (en) * | 2017-09-18 | 2018-01-30 | 北京奥本中仪自控工程有限公司 | A kind of cleanner bag leakage positioning and fault diagnosis system |
| CN108514797A (en) * | 2018-06-11 | 2018-09-11 | 江苏同庆安全科技有限公司 | A kind of deduster with explosion arrestment function |
| CN108704428A (en) * | 2018-06-11 | 2018-10-26 | 江苏同庆安全科技有限公司 | A kind of deduster with inerting function |
-
2000
- 2000-10-27 CN CN 00257608 patent/CN2460188Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102322283A (en) * | 2011-06-23 | 2012-01-18 | 北京科技大学 | Controllable dry ice storing device for preventing left coal in worked out section from spontaneously combusting |
| CN104190177A (en) * | 2014-09-24 | 2014-12-10 | 陈美青 | Explosion-proof dust remover |
| CN106178788A (en) * | 2016-08-26 | 2016-12-07 | 陈美青 | Self-extinguishing cleaner unit |
| CN107643149A (en) * | 2017-09-18 | 2018-01-30 | 北京奥本中仪自控工程有限公司 | A kind of cleanner bag leakage positioning and fault diagnosis system |
| CN108514797A (en) * | 2018-06-11 | 2018-09-11 | 江苏同庆安全科技有限公司 | A kind of deduster with explosion arrestment function |
| CN108704428A (en) * | 2018-06-11 | 2018-10-26 | 江苏同庆安全科技有限公司 | A kind of deduster with inerting function |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205900964U (en) | Socket with firebreak device | |
| CN209447020U (en) | Intelligently realizing explosion-proof pressure difference dust-removing control system | |
| CN201319060Y (en) | Test-box in high-low temperature test of battery | |
| CN2460188Y (en) | Bag-type dust collector with automatic fire-extinguishing device | |
| CN209721024U (en) | A kind of security protection system of the film whole-closed coal yard of high volatile coal gas | |
| CN102302878A (en) | Inerting protection device for dust remover | |
| CN110772730A (en) | Battery box with battery thermal runaway state detects and control function | |
| CN108895474A (en) | A kind of surplus coal gas automatic relief system | |
| CN102382934A (en) | Converter primary flue gas dry dedusting system | |
| CN202285007U (en) | Device for testing explosiveness of blast furnace injection coal | |
| CN201325953Y (en) | Furnace gas purification system of closed-type calcium carbide furnace | |
| CN206792842U (en) | The emergency disposal system of electric automobile electric charging station electrokinetic cell thermal runaway | |
| CN206311138U (en) | A kind of coal dust shop safety servicing unit based on sensor detection | |
| CN202420217U (en) | Smoke tail gas backflash energy saving device | |
| CN213885368U (en) | Automatic control system for flue gas temperature | |
| CN204460200U (en) | Boiler oxygen enrichment surely fires auxiliary combustion equipment | |
| CN203923225U (en) | Force to reclaim the device of blast furnace out-spreading coal gas | |
| CN204287172U (en) | The explosion-proof monitoring device of pulverized coal preparation system inflammable gas | |
| CN212451336U (en) | System for utilize flue gas tail gas preparation buggy | |
| CN112817265A (en) | Safety control system and management method for environmental monitoring of indoor closed coal yard | |
| CN207623760U (en) | A kind of calcium carbide stove exhaust safety detection and automated ignition system | |
| CN106520209B (en) | Continuous fly ash return control system and method for U-Gas gasifier | |
| CN102337375A (en) | Dry dedusting system for primary flue gas from vanadium extraction converter | |
| CN217628260U (en) | Safety explosion venting device of biomass gasification furnace | |
| CN103848423B (en) | Circulation closed type coal mine gob inert gas generator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |