CN104190177A - Explosion-proof dust remover - Google Patents
Explosion-proof dust remover Download PDFInfo
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- CN104190177A CN104190177A CN201410493426.5A CN201410493426A CN104190177A CN 104190177 A CN104190177 A CN 104190177A CN 201410493426 A CN201410493426 A CN 201410493426A CN 104190177 A CN104190177 A CN 104190177A
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- explosion
- deduster
- sensor
- dust remover
- dust
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Abstract
The invention provides an explosion-proof dust remover, belongs to the technical field of industrial dust removal equipment, and solves the problems of easy explosion and relatively poor safety of an existing dust remover. The explosion-proof dust remover is provided with an air inlet, a dust removal bin, a fan, a control circuit and a sensor used for monitoring an internal environment state of the dust remover, wherein both the sensor and the fan are electrically connected with the control circuit; when the sensor monitors that the internal environment state of the dust remover exceeds the internal environment safety setting state of the dust remover in the control circuit, the control circuit controls the fan to be stopped. The explosion-proof dust remover is relatively good in explosion-proof effect and relatively high in safety performance.
Description
Technical field
The invention belongs to industrial dedusting equipment technical field, relate to a kind of anti-explosion dust remover.
Background technology
Deduster is a kind of equipment that dust is separated from flue gas, it is comparatively common industrial equipment in the industrial production such as boiler, polishing, it is drawn out of the air of machine intimate by blower fan or air pump, machine inside and outside has produced pressure differential like this, so-called negative pressure namely, and negative pressure is higher, suction is stronger, gas with foreign material enters after machine through suction nozzle and sweep-up pipe, through filter elements such as filter cylinder or cloth bags, filters, and the clean air after filtration is discharged through gas outlet.The deduster kind of commercial Application is various, by its action principle, can be divided into sack cleaner, gravel bed filter, electrostatic precipitator, magnetic dust collector etc.When deduster and polishing machine support the use, because polishing machine can produce Mars, this Mars enters the dust in the deduster that easily ignites after deduster and causes blast, therefore in order to improve security, and the blast resistance construction of also installing on part deduster.
As Chinese invention patent application (application number: 201320633992.2) disclose a kind of protected against explosion deduster, comprise deduster main frame, described deduster main frame is provided with dusty gas entrance, filter cylinder, dustless gas vent, described deduster main frame is provided with and the inner spray head group being connected of deduster main frame, the top of described deduster main frame is provided with venting of dust explosion sheet, described deduster main frame side is provided with explosion proof door, this deduster carrys out release pressure in advance by venting of dust explosion sheet, but the import of this deduster is positioned at main frame below, and outlet is positioned at top, venting of dust explosion sheet is positioned at top, and the gas igniting in advance in the deduster higher unfiltered gas that is dust content, be positioned at the below of main frame, therefore there is certain hysteresis quality in the pressure release of venting of dust explosion sheet, this deduster lacks effective early warning structure simultaneously, it is the Environmental security state that deduster needs a setting, it is easily explosion caused when deduster inner annular in the course of the work exceeds the Environmental security state of this setting, and above-mentioned deduster still can keep duty when inner annular exceeds the Environmental security state of this setting, security is poor.
Summary of the invention
The object of the invention is to have the problems referred to above for existing technology, proposed a kind of anti-explosion dust remover, the technical problem to be solved in the present invention is to provide the deduster that a kind of explosion-proof effect is better, security performance is higher.
Object of the present invention can realize by following technical proposal: a kind of anti-explosion dust remover, this deduster has air inlet, dedusting cabin and blower fan, it is characterized in that, this deduster also comprises control circuit and for monitoring the sensor of ambient condition in deduster, sensor is all electrically connected to control circuit with blower fan; When Sensor monitoring surpasses in the deduster of setting in control circuit Environmental security set condition to ambient condition in deduster, it is out of service that control circuit is controlled blower fan.
On deduster, there is air outlet, filtration members is installed in dedusting cabin, blower fan is bled to deduster by air outlet, unfiltered gas enters dedusting cabin by air inlet, and after filtering by filtration members, become clean gas and discharged by blower fan, in the deduster of setting in control circuit, Environmental security set condition is the state that deduster can normally be worked safely, when this state is destroyed, can cause deduster to be blasted, therefore this deduster is provided with sensor this state is detected, when it surpasses set condition, control circuit can be controlled blower fan and quit work, be that gas stops entering deduster, avoid excess Temperature in deduster, pressure is excessive and occur blast, improve the security of deduster.
In above-mentioned anti-explosion dust remover, whether described sensor is for having the infrared sensor of Mars, for monitoring the smokescope sensor of smokescope in deduster, for monitoring the sensor of dust concentration of dust concentration in deduster, for monitoring one or more of temperature sensor of temperature in deduster in deduster for monitoring.Whether the gas that infrared sensor can enter in deduster contains Mars, as contain Mars can be to control circuit feedback signal, in like manner smokescope sensor, sensor of dust concentration and temperature sensor detect the project that detected separately respectively, when surpassed setting value separately to control circuit feedback signal, above-mentioned various sensor is all comparatively existing detection parts, can directly buy on the market.
In above-mentioned anti-explosion dust remover, described infrared sensor is arranged on air inlet place.Deduster is provided with the pretreatment storehouse that can extinguish Mars in air inlet outside, therefore infrared sensor is arranged on to air inlet place, when if pretreatment storehouse cannot be extinguished whole Mars and cause part Mars to enter dedusting cabin by air inlet, infrared sensor can monitor in time and by this signal feedback to control circuit, avoid Mars to enter after dedusting cabin this deduster still in running order and occur that blast may.
In above-mentioned anti-explosion dust remover, described smokescope sensor, sensor of dust concentration and temperature sensor are arranged in dedusting cabin.These three sensors are arranged on respectively on dedusting cabin sidewall, are all that the project separately in dedusting cabin is monitored.
In above-mentioned anti-explosion dust remover, on the sidewall of described dedusting cabin, have venting of dust explosion mouth, on dedusting cabin sidewall, be fixed with the venting of dust explosion sheet of capping venting of dust explosion mouth.Sensor is electronic unit, if under complicated operating mode during sensor failure, Mars in deduster ignites and can make deduster internal pressure raise after dust, and venting of dust explosion sheet is a kind of existing metallic membrane, on this metallic membrane, there is the tearing port that can make metallic membrane break when certain pressure impacts when being subject to, during normal work, venting of dust explosion sheet capping sealing venting of dust explosion mouth, now normally dedusting work of deduster, when dedusting cabin internal pressure increases to the predetermined value that venting of dust explosion sheet can bear, venting of dust explosion sheet breaks, pressure in dedusting cabin discharges from venting of dust explosion mouth, avoided the pressure in deduster to continue to increase and caused blast, by venting of dust explosion sheet and sensor, deduster is played to duplicate protection.
In above-mentioned anti-explosion dust remover, described dedusting cabin is provided with kuppe outward, and the sidewall of kuppe and dedusting cabin is connected; One end of kuppe is connected with venting of dust explosion mouth, and another port vertically down.When venting of dust explosion sheet breaks, the high temperature gas flow in deduster and flame are gone out from venting of dust explosion mouth, and kuppe can to this air-flow and flame leads and reduction of speed, and it is impacted toward particular safety direction, avoid injuring staff or impact other equipment in workshop.
In above-mentioned anti-explosion dust remover, described kuppe has the water conservancy diversion side plate of an arc, and the indent side of this water conservancy diversion side plate is relative with venting of dust explosion mouth.Water conservancy diversion side plate can make the air-flow of side knock turn to downwards, avoids kuppe under the impact of air-flow, be out of shape or break.
In above-mentioned anti-explosion dust remover, described deduster also comprises flame-out case, and flame-out case is positioned under the another port of kuppe.In flame-out case, be provided with flame-out material, air-flow and flame are gone out along kuppe, and enter flame-out case, and flame-out case can knock down the flame, raising security performance.
In above-mentioned anti-explosion dust remover, described flame-out case comprises uncovered casing, and bottom half is filled with silt.According to the different attribute of dust, effective extinguish material is housed in case, silt is comparatively common, lower-cost flame-out material, and air-flow and flame impingement are to silt, and silt can avoid flame further burn or ignite miscellaneous part.
In above-mentioned anti-explosion dust remover, described flame-out case comprises uncovered casing, is provided with carbon-dioxide generator in casing, and the upper open-mouth of casing is provided with triggering part, and after triggering part is triggered, carbon-dioxide generator can produce carbon dioxide.Triggering part can be temperature sensor, pressure sensor etc., when air-flow and flame pour flame-out case, temperature sensor can monitor the rapid rising of temperature, pressure sensor can monitor the impact of pressure, and control carbon-dioxide generator and produce carbon dioxide, carbon-dioxide generator is comparatively common flame-out instrument, and the carbon dioxide of its generation is knock down the flame rapidly.
Compared with prior art, this anti-explosion dust remover has the following advantages:
1, due to infrared sensor, smokescope sensor, sensor of dust concentration, temperature sensor being installed in deduster, can be to every may explosion caused project monitoring in deduster, and can control blower fan by control circuit and quit work, therefore can occur by prevent exploding.
2, because deduster is provided with venting of dust explosion sheet and kuppe, high temperature gas flow in dedusting cabin and flame are gone out from venting of dust explosion mouth, kuppe can stop and reduction of speed this air-flow, also this air-flow and flame are led simultaneously, it is impacted downwards, avoid injuring staff or impact other equipment in workshop.
3, because flame-out case is gone out and entered to air-flow and flame along kuppe from venting of dust explosion mouth, in flame-out case, be provided with flame-out material or flame-out instrument, can knock down the flame, avoid flame further to burn or the miscellaneous part that ignites, improve security performance.
Accompanying drawing explanation
Fig. 1 is the structure cutaway view of this anti-explosion dust remover.
Fig. 2 is circuit block diagram.
In figure, 1, air inlet; 2, dedusting cabin; 3, blower fan; 41, infrared sensor; 42, smokescope sensor; 43, sensor of dust concentration; 44, temperature sensor; 5, venting of dust explosion mouth; 51, venting of dust explosion sheet; 6, kuppe; 61, water conservancy diversion side plate; 7, flame-out case; 71, casing; 72, silt.
The specific embodiment
Be below specific embodiments of the invention by reference to the accompanying drawings, technical scheme of the present invention is further described, but the present invention be not limited to these embodiment.
As shown in Figure 1 and Figure 2, a kind of anti-explosion dust remover, there is air inlet 1, air outlet, dedusting cabin 2 and blower fan 3, in dedusting cabin 2, filtration members is installed, as filter cylinder, cloth bag etc., blower fan 3 is bled to deduster by air outlet, and unfiltered gas has air inlet 1 to enter dedusting cabin 2, and after filtering by filtration members, becomes clean gas and discharged by blower fan 3.This deduster also comprises control circuit and for monitoring the sensor of ambient condition in deduster, sensor is all electrically connected to control circuit with blower fan 3, when Sensor monitoring surpasses in the deduster of setting in control circuit Environmental security set condition to ambient condition in deduster, it is out of service that control circuit is controlled blower fan 3.In the deduster of setting in control circuit, Environmental security set condition is the state that deduster can normally be worked safely, when this state is destroyed, can cause deduster to be blasted, therefore this deduster is provided with sensor this state is detected, when it surpasses set condition, control circuit can be controlled blower fan 3 and quit work, be that gas stops entering deduster, avoid excess Temperature in deduster, pressure is excessive and occur blast, the security that improves deduster.
Specifically, sensor is for monitoring the infrared sensor 41 whether in deduster with Mars, for monitoring the smokescope sensor 42 of smokescope in deduster, for monitoring the sensor of dust concentration 43 of dust concentration in deduster, for monitoring the temperature sensor 44 of temperature in deduster, whether the gas that infrared sensor 41 can enter in deduster contains Mars, as contain Mars can be to control circuit feedback signal, in like manner smokescope sensor 42, sensor of dust concentration 43 and temperature sensor 44 detect the project that detected separately respectively, when surpassed setting value separately to control circuit feedback signal, above-mentioned various sensor is all comparatively existing detection parts, can directly buy on the market.Certainly several above also can selecting in actual production process in four kinds of sensors, quit work as long as can control blower fan 3 by control circuit in time when institute's monitoring project exceeds standard.Infrared sensor 41 is arranged on air inlet 1 place, deduster is provided with the pretreatment storehouse that can extinguish Mars in air inlet 1 outside, therefore infrared sensor 41 is arranged on to air inlet 1 place, when if pretreatment storehouse cannot be extinguished whole Mars and cause part Mars to enter dedusting cabin 2 by air inlet 1, infrared sensor 41 can monitor in time and by this signal feedback to control circuit, avoid Mars to enter after dedusting cabin 2 this deduster still in running order and occur that blast may.Smokescope sensor 42, sensor of dust concentration 43 and temperature sensor 44 are arranged in dedusting cabin 2, and these three sensors are arranged on respectively on dedusting cabin 2 sidewalls, are all that the project separately in dedusting cabin 2 is monitored.
On the sidewall of dedusting cabin 2, have venting of dust explosion mouth 5, on dedusting cabin 2 sidewalls, be fixed with the venting of dust explosion sheet 51 of capping venting of dust explosion mouth 5, sensor is electronic unit, if under complicated operating mode during sensor failure, Mars in deduster ignites and can make deduster internal pressure raise after dust, and venting of dust explosion sheet 51 is a kind of existing metallic membranes, on this metallic membrane, there is the tearing port that can make metallic membrane break when certain pressure impacts when being subject to, during normal work, venting of dust explosion sheet 51 capping sealing venting of dust explosion mouths 5, now normally dedusting work of deduster, when dedusting cabin 2 internal pressures increase to the predetermined value that venting of dust explosion sheet 51 can bear, venting of dust explosion sheet 51 breaks, pressure in dedusting cabin 2 discharges from venting of dust explosion mouth 5, avoided the pressure in deduster to continue to increase and caused blast.The outer kuppe 6 that is provided with of dedusting cabin 2, kuppe 6 is connected with the sidewall of dedusting cabin 2, one end of kuppe 6 is connected with venting of dust explosion mouth 5, vertically down, when venting of dust explosion sheet 51 breaks, the high temperature gas flow in deduster and flame are gone out from venting of dust explosion mouth 5 in another port, kuppe 6 can stop and reduction of speed this air-flow, also this air-flow and flame are led, it is impacted downwards, avoid injuring staff or impact other equipment in workshop simultaneously.Kuppe 6 has the water conservancy diversion side plate 61 of an arc, and the indent side of this water conservancy diversion side plate 61 is relative with venting of dust explosion mouth 5, and water conservancy diversion side plate 61 can make the air-flow of side knock turn to downwards, avoids kuppe 6 under the impact of air-flow, be out of shape or break.Deduster also comprises flame-out case 7, and flame-out case 7 is positioned under the another port of kuppe 6, in flame-out case 7, is provided with flame-out material, and air-flow and flame are gone out along kuppe 6, and enters flame-out case 7, and flame-out case 7 can knock down the flame, raising security performance.
Flame-out case 7 comprises uncovered casing 71, and casing 71 bottoms are filled with silt 72, and silt 72 is comparatively common, lower-cost flame-out materials, and air-flow and flame impingement are to silt 72, and silt 72 can avoid flame further burn or ignite miscellaneous part.Certainly in actual production process, casing 71 is interior can be provided with carbon-dioxide generator, and the upper open-mouth of casing 71 is provided with triggering part, and after triggering part is triggered, carbon-dioxide generator can produce carbon dioxide.Triggering part can be temperature sensor 44, pressure sensor etc., when air-flow and flame pour flame-out case 7, temperature sensor 44 can monitor the rapid rising of temperature, pressure sensor can monitor the impact of pressure, and control carbon-dioxide generator and produce carbon dioxide, carbon-dioxide generator is comparatively common flame-out instrument, and the carbon dioxide of its generation is knock down the flame rapidly.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used the terms such as air inlet 1, dedusting cabin 2, blower fan 3 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (10)
1. an anti-explosion dust remover, this deduster has air inlet (1), dedusting cabin (2) and blower fan (3), it is characterized in that, this deduster also comprises control circuit and for monitoring the sensor of ambient condition in deduster, sensor is all electrically connected to control circuit with blower fan (3); When Sensor monitoring surpasses in the deduster of setting in control circuit Environmental security set condition to ambient condition in deduster, it is out of service that control circuit is controlled blower fan (3).
2. anti-explosion dust remover according to claim 1, it is characterized in that, whether described sensor is for having the infrared sensor (41) of Mars, for monitoring the smokescope sensor (42) of smokescope in deduster, for monitoring the sensor of dust concentration (43) of dust concentration in deduster, for monitoring one or more of temperature sensor (44) of temperature in deduster in deduster for monitoring.
3. anti-explosion dust remover according to claim 2, is characterized in that, described infrared sensor (41) is arranged on air inlet (1) and locates.
4. anti-explosion dust remover according to claim 2, is characterized in that, described smokescope sensor (42), sensor of dust concentration (43) and temperature sensor (44) are arranged in dedusting cabin (2).
5. according to the anti-explosion dust remover described in claim 1 or 2 or 3 or 4, it is characterized in that, on the sidewall of described dedusting cabin (2), have venting of dust explosion mouth (5), on dedusting cabin (2) sidewall, be fixed with the venting of dust explosion sheet (51) of capping venting of dust explosion mouth (5).
6. anti-explosion dust remover according to claim 5, is characterized in that, the outer kuppe (6) that is provided with of described dedusting cabin (2), and kuppe (6) is connected with the sidewall of dedusting cabin (2); One end of kuppe (6) is connected with venting of dust explosion mouth (5), and another port vertically down.
7. anti-explosion dust remover according to claim 6, is characterized in that, described kuppe (6) has the water conservancy diversion side plate (61) of an arc, and the indent side of this water conservancy diversion side plate (61) is relative with venting of dust explosion mouth (5).
8. anti-explosion dust remover according to claim 6, is characterized in that, described deduster also comprises flame-out case (7), and flame-out case (7) is positioned under the another port of kuppe (6).
9. anti-explosion dust remover according to claim 8, is characterized in that, described flame-out case (7) comprises uncovered casing (71), and casing (71) bottom is filled with silt (72).
10. anti-explosion dust remover according to claim 8, it is characterized in that, described flame-out case (7) comprises uncovered casing (71), casing is provided with carbon-dioxide generator in (71), the upper open-mouth of casing (71) is provided with triggering part, after triggering part is triggered, carbon-dioxide generator can produce carbon dioxide.
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Cited By (7)
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| CN104548844A (en) * | 2014-12-25 | 2015-04-29 | 东莞市蓝鹰环保科技有限公司 | Waste gas recovering and purifying device used for molybdenum concentrate pretreatment |
| CN104998482A (en) * | 2015-07-30 | 2015-10-28 | 泰富海洋工程装备（天津）有限公司 | Explosion-proof dust collector and explosion-proof control method |
| CN105032108A (en) * | 2015-09-12 | 2015-11-11 | 陈美青 | Dust remover |
| CN107261672A (en) * | 2017-08-15 | 2017-10-20 | 合肥横冲机械科技有限公司 | A kind of fiber bag precipitator automatic checkout system |
| CN109453581A (en) * | 2018-12-04 | 2019-03-12 | 广州帆智能自动化设备有限公司 | A kind of dust filtering device |
| CN110141920A (en) * | 2019-05-31 | 2019-08-20 | 广州颖创环保科技有限公司 | A kind of stainless steel anti-explosion dust remover |
| CN111558260A (en) * | 2020-05-22 | 2020-08-21 | 龙岩烟草工业有限责任公司 | Silk making production system and dust removal control method thereof |
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| CN110141920A (en) * | 2019-05-31 | 2019-08-20 | 广州颖创环保科技有限公司 | A kind of stainless steel anti-explosion dust remover |
| CN111558260A (en) * | 2020-05-22 | 2020-08-21 | 龙岩烟草工业有限责任公司 | Silk making production system and dust removal control method thereof |
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| CN104190177B (en) | 2016-08-24 |
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Effective date of registration: 20171227 Address after: 317610 village in Ganjiang Town, Yuhuan City, Taizhou City, Zhejiang Province Patentee after: Yuhuan Pacific Machinery Co., Ltd. Address before: 317610 Yuhuan County Province, Taizhou City, the town of the village under the reef door Patentee before: Chen Meiqing |
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