CN211411327U - Explosion-proof type dust pelletizing system - Google Patents
Explosion-proof type dust pelletizing system Download PDFInfo
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- CN211411327U CN211411327U CN201921090060.1U CN201921090060U CN211411327U CN 211411327 U CN211411327 U CN 211411327U CN 201921090060 U CN201921090060 U CN 201921090060U CN 211411327 U CN211411327 U CN 211411327U
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Abstract
The utility model relates to the technical field of waste gas dust removal, in particular to an explosion-proof dust removal system, which comprises a dust removal tank, an air inlet pipe which is connected with one end of the dust removal tank and is used for sucking dust-containing gas, an exhaust pipe which is connected with the other end of the dust removal tank and is used for exhausting gas after dust removal, a centrifugal fan which is connected with the exhaust pipe, a spark detector which is arranged on the air inlet pipe and is used for detecting sparks in the dust-containing gas, and a high-pressure water mist nozzle which is arranged on one side of the air inlet pipe away from the spark detector, wherein the spark detector and the high; the pulse dust collector is arranged in the dust collection tank and connected with the air inlet pipe, and the explosion venting port is arranged at the upper part of the dust collection tank on the pulse dust collector; the utility model discloses systematic solution still sets up the spark simultaneously and surveys burning, the explosion that are used for the prevention to produce in the dust pelletizing system use and the countermeasure at the dust explosion precaution and countermeasure that meet in daily production, improves factor of safety.
Description
Technical Field
The utility model relates to a waste gas dust removal technical field especially relates to an explosion-proof type dust pelletizing system.
Background
The explosion-proof dust removal device is dust removal equipment suitable for dangerous occasions where flammable and explosive gases, water vapor or fine dust exist in the air and are enough to cause explosion or fire. The performance of a dust removing apparatus is expressed in terms of the amount of gas that can be processed, the resistance loss of the gas as it passes through the dust removing apparatus, and the dust removing efficiency. The explosion-proof dust-removing equipment is a common facility in industrial production, in particular in the processing industry, the die-casting polishing industry and other production.
In the prior art, the Chinese patent application number is CN201810872771, which discloses an explosion-proof dust remover and belongs to the field of relevant technical equipment in the woodworking industry. The dust removal system comprises an air chamber, a fan, a pipeline connected with the air chamber and the fan, and the dust remover also comprises an explosion-proof system and a real-time monitoring system, wherein the explosion-proof system comprises an explosion-proof device and an explosion venting device; the explosion-proof device mainly comprises a flap explosion-proof valve and an explosion-proof rotary blanking valve, the flap explosion-proof valve is arranged on a pipeline at a dust inlet end, and the explosion-proof rotary blanking valve is arranged at a blanking port of the air chamber ash hopper; the explosion venting device comprises an explosion venting plate and a flameless pressure relief device, the explosion venting plate and the flameless pressure relief device are arranged on the wall of the air chamber, and the real-time monitoring system comprises a PLC and a touch screen. The explosion-proof dust remover can be used for removing dust in a dust explosion environment, the running state of the dust remover is monitored in real time, the probability of explosion occurrence is effectively reduced, and when explosion occurs, the explosion can be isolated in a certain area to reduce the harm of the explosion to personnel and equipment at the upstream of the dust remover. In practical use, the problem that the overall safety factor is insufficient exists because the spark monitoring is insufficient, or the problem that combustion or explosion occurs in a dust removal system exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a dust explosion prevention measure and the counter-measure that systemic solution met in daily production still set up the spark simultaneously and survey the burning, the explosion that are used for the prevention to produce in the dust pelletizing system use, improve factor of safety's explosion-proof type dust pelletizing system.
The utility model adopts the technical proposal that: an explosion-proof dust removal system comprises a dust removal tank, an air inlet pipe, an exhaust pipe and a high-pressure water mist nozzle, wherein the air inlet pipe is connected with one end of the dust removal tank and used for sucking dust-containing gas, the exhaust pipe is connected with the other end of the dust removal tank and used for exhausting the dust-removed gas, the exhaust pipe is connected with a centrifugal fan, the centrifugal fan is connected with an exhaust pipe, the air inlet pipe is provided with the spark detector used for detecting sparks in the dust-containing gas, the high-pressure water mist nozzle is arranged on one side, away from the spark detector, of the air inlet pipe; and a pulse dust collector is arranged in the dust collection tank, the pulse dust collector is connected with the air inlet pipe, and the dust collection tank is positioned on the upper part of the pulse dust collector and is provided with an explosion venting opening.
The further improvement of the scheme is that the dust removing tank is externally connected with a support frame, and the support frame is used for fixedly installing the dust removing tank.
The further improvement of the scheme is that the dust removing tank is provided with an exhaust passage above the explosion venting port, and the exhaust pipe is connected with the exhaust passage.
The further improvement of the scheme is that a cleaning device for cleaning dust is arranged in the dust removing tank, and the cleaning device is arranged on the pulse dust remover.
The pulse dust collector is a bag type pulse dust collector and is arranged below the dust collection tank and connected with the air inlet pipe, the bottom of the pulse dust collector is connected with a discharging device, and the discharging device is provided with an air locking valve.
The technical scheme is further improved in that the controller is a PLC (programmable logic controller) and is connected with the spark detector to sense sparks in the dust, and the controller controls the high-pressure water mist nozzle to spray water mist to extinguish and extinguish sparks by sensing sparks by the spark detector.
The further improvement of the proposal is that the centrifugal fan pumps the gas after dust removal in the exhaust pipe into the exhaust pipe for exhaust.
The further improvement of the scheme is that the explosion venting port is provided with a plurality of groups of explosion venting sheets, and the explosion venting sheets are provided with explosion-proof valves.
The utility model has the advantages that:
the dust removal device is characterized in that a dust removal tank is arranged, two ends of the dust removal tank are respectively connected with an air inlet pipe and an exhaust pipe, specifically, gas containing dust is sent into the dust removal tank through the air inlet pipe for dust removal, and then the gas is exhausted through the exhaust pipe after the dust removal is finished, so that the dust removal effect on waste gas is good, and the environment protection is facilitated; the centrifugal fan is connected to the exhaust pipe and is connected with the discharge pipe, specifically, the centrifugal fan acts power, air is sucked into the exhaust pipe from the air inlet pipe and the dust removal tank through suction force, and finally the air is discharged on the discharge pipe to reach the standard, so that the exhaust effect is good, the dust removal effect on the air is good, and the environment protection is facilitated; the dust collection device comprises a dust collection device, a high-pressure water mist nozzle, a spark detector, a controller, a PLC (programmable logic controller) and a dust collection device, wherein the dust collection device is used for collecting dust, the air inlet pipe is provided with the spark detector, the spark detector is used for detecting spark gas contained in the dust, the high-pressure water mist nozzle and the spark detector are connected with the controller, and the controller is used for controlling the high-pressure water mist nozzle to extinguish the spark after the spark detector is connected with the; the dust removal tank is internally provided with a pulse dust remover which removes dust from the gas introduced by the air inlet pipe, and the pulse dust removal is an improved novel high-efficiency pulse dust remover on the basis of MC-I type; the purification efficiency is high, the capacity of treating gas is high, the performance is stable, the service life of a filter bag is long, and the operation is convenient; the explosion venting port is arranged on the upper part of the pulse dust collector, the explosion-proof effect is achieved in the dust removal process through the explosion venting port, and the safety of dust removal use is enhanced.
Dust removal tank internally mounted has the cleaning device who is used for clearing up the dust, cleaning device installs in pulse dust collector, still sets up cleaning device, can be to pulse dust collector automatic clear dust, and dust removal effect is good, and cleaning effect is good, cleaning device is the dust catcher setting, can carry out automatic dust removal to pulse dust collector, is favorable to the environmental protection.
The utility model discloses in, dust explosion precaution and the counter-measure that systemic solution met in daily production still set up the spark simultaneously and survey combustion, the explosion that are used for the prevention to produce in the dust pelletizing system use, improve factor of safety.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a dust removal system 100, a dust removal tank 110, a support frame 111, an exhaust channel 112, a cleaning device 113, an air inlet pipe 120, a spark detector 121, a high-pressure water mist nozzle 122, a controller 123, an exhaust pipe 130, a centrifugal fan 140, an exhaust pipe 150, a pulse dust collector 160, an explosion venting port 170 and an explosion venting sheet 171.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, an explosion-proof dust removing system 100 comprises a dust removing tank 110, an air inlet pipe 120 connected with one end of the dust removing tank 110 for sucking dust-containing gas, an air outlet pipe 130 connected with the other end of the dust removing tank 110 for discharging the dust-removed gas, wherein the air outlet pipe 130 is connected with a centrifugal fan 140, the centrifugal fan 140 is connected with an air outlet pipe 150, the air inlet pipe 120 is provided with a spark detector 121 for detecting sparks in the dust-containing gas, and a high-pressure water mist nozzle 122 arranged on one side of the air inlet pipe 120 away from the spark detector 121, and the spark detector 121 and the high-pressure water mist nozzle 122 are connected with a controller 123; the pulse dust collector 160 is installed in the dust collection tank 110, the pulse dust collector 160 is connected with the air inlet pipe 120, and the explosion venting port 170 is installed at the upper part of the pulse dust collector 160 of the dust collection tank 110.
The exhaust channel 112 is arranged above the explosion venting port 170 of the dust removal tank 110, the exhaust pipe 130 is connected with the exhaust channel 112, and the gas after dust removal is exhausted to the exhaust pipe 130 through the exhaust channel 112, so that the exhaust effect is good, the gas dust removal effect is good, and the environment protection is facilitated.
The pulse dust collector 160 is a bag type pulse dust collector 160, which is arranged below the dust collection tank 110 and connected with the air inlet pipe 120, the pulse dust collector 160 is a novel high-efficiency pulse dust collector 160 improved on the basis of the bag type dust collector, the advantages of various pulse blowing dust collectors blown by back blowing in a compartment are integrated, the defects of insufficient dust removal strength in the compartment, uneven distribution of inlet and outlet air and the like are overcome, and the application range is expanded. The bottom of the pulse dust collector 160 is connected with a discharging device, the discharging device is provided with an air locking valve, dust with larger particle size can be discharged through the discharging device, the dust removal effect and the safety are further improved, the air locking valve is arranged to be used for opening and closing the discharging device, and the dust removing device is convenient to use, practical and reliable.
The controller 123 is a PLC (programmable logic controller) 123 and is connected with the spark detector 121 to sense sparks in dust, the controller 123 controls the high-pressure water mist nozzle 122 to spray water mist to extinguish sparks by sensing sparks of the spark detector 121, and the PLC 123 is combined to control the spark detector 121 and the high-pressure water mist nozzle 122 to work.
The centrifugal fan 140 pumps the dedusted gas in the exhaust pipe 130 into the exhaust pipe 150 for discharge, and the device has the advantages of simple and practical structure, space saving, good dedusting effect, stability and reliability.
The explosion venting port 170 is provided with a plurality of groups of explosion venting sheets 171, the explosion venting sheets 171 are provided with explosion venting valves (not shown in the figure), the explosion venting port 170 is also called as an explosion venting area, which means a pressure or energy venting channel for avoiding explosion in a room or a tank which is likely to generate explosion, and the explosion venting sheets 171 are combined with the explosion venting valves to enhance the overall explosion-proof safety.
The dust removal tank 110 is arranged, two ends of the dust removal tank 110 are respectively connected with the air inlet pipe 120 and the air outlet pipe 130, specifically, the air containing dust is sent into the dust removal tank 110 through the air inlet pipe 120 for dust removal, and then the air is discharged through the air outlet pipe 130 after the dust removal of the air is finished, so that the dust removal effect on waste gas is good, and the environment protection is facilitated; the exhaust pipe 130 is connected with the centrifugal fan 140, the centrifugal fan 140 is connected with the exhaust pipe 150, specifically, the centrifugal fan 140 acts power, air is sucked into the exhaust pipe 130 from the air inlet pipe 120 and the dust removing tank 110 through suction force, and finally the air is discharged to the exhaust pipe 150 to reach the standard, so that the exhaust effect is good, the dust removing effect on the air is good, and the environmental protection is facilitated; the air inlet pipe 120 is provided with a spark detector 121, specifically the spark detector 121 is used for detecting spark gas contained in dust gas, the air inlet pipe 120 is also provided with a high-pressure water mist nozzle 122, the high-pressure water mist nozzle 122 and the spark detector 121 are connected with a controller 123, specifically the controller 123 is a PLC (programmable logic controller) controller 123 and is used for controlling the high-pressure water mist nozzle 122 to extinguish sparks after the spark detector 121 is connected to detect sparks, so that an explosion-proof effect is achieved, and the dust removal safety is enhanced; the dust removing tank 110 is also internally provided with a pulse dust remover 160, the gas introduced by the air inlet pipe 120 is subjected to dust removal through the pulse dust remover 160, and the pulse dust removal is an improved novel high-efficiency pulse dust remover 160 on the basis of MC-I type; the purification efficiency is high, the capacity of treating gas is high, the performance is stable, the service life of a filter bag is long, and the operation is convenient; the explosion venting port 170 is arranged at the upper part of the pulse dust collector 160, and the explosion-proof effect is prevented in the dust collection process through the effect of the explosion venting port 170, so that the safety of dust collection use is enhanced.
The working principle of dust removal is as follows: under the action of the centrifugal fan 140, the dust-containing gas enters the dust collection tank 110 from the air inlet pipe 120 of the dust collector, is adsorbed on the outer surface of the filter bag, and after filtration, the clean gas enters the upper box body through the filter bag, is discharged from the exhaust pipe 130, and is discharged through the discharge pipe 150 after reaching the standard;
explosion-proof safety measures: the body of the dust removing tank 110 is provided with the explosion venting port 170 and the explosion venting sheet 171 (the area of the explosion venting port is set according to the European and American standards), so that high-temperature and high-pressure combustion substances in the dust removing tank 110 are vented to the safe direction through the part with the lowest strength of the dust removing tank 110 at the initial explosion stage or the expansion stage, and the dust remover is prevented from being damaged.
The working principle of the spark detection extinguishing system is as follows: designed to detect minute sparks, or burning particles and smoldering material in the dusty exhaust transport air inlet duct 120. When sparks pass through the spark detector 121 in the air input pipe 120 on the upstream of the dust remover, the spark detector 121 detects sparks within 60us by infrared scanning, signals are fed back to the controller 123, the controller 123 gives a high-speed electromagnetic valve arranged on the high-pressure water mist nozzle 122 within 20us, the electromagnetic valve is opened within 8us, arc-shaped high-pressure water mist is sprayed out by the high-pressure water mist nozzle 122 within about 200ms of high-pressure water flow impacted by the electromagnetic valve, and sparks in a pipeline are extinguished.
The utility model discloses in, dust explosion precaution and the counter-measure that systemic solution met in daily production still set up the spark simultaneously and survey combustion, the explosion that are used for the prevention to produce in the dust pelletizing system use, improve factor of safety.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides an explosion-proof type dust pelletizing system which characterized in that: the device comprises a dust removal tank, an air inlet pipe, an exhaust pipe, a high-pressure water mist nozzle and a controller, wherein the air inlet pipe is connected with one end of the dust removal tank and used for sucking dust-containing gas, the exhaust pipe is connected with the other end of the dust removal tank and used for exhausting the dust-removed gas, the exhaust pipe is connected with a centrifugal fan, the centrifugal fan is connected with a discharge pipe, the air inlet pipe is provided with the spark detector used for detecting sparks in the dust-containing gas, the high-pressure water mist nozzle is arranged on one side, away from the spark detector; a pulse dust collector is arranged in the dust collection tank, the pulse dust collector is connected with the air inlet pipe, and an explosion venting opening is formed in the upper part of the dust collection tank, which is positioned on the pulse dust collector;
the pulse dust collector is a bag type pulse dust collector and is arranged below the dust collection tank and connected with the air inlet pipe, the bottom of the pulse dust collector is connected with a discharging device, and the discharging device is provided with an air locking valve;
the controller is a PLC (programmable logic controller) and is connected with the spark detector to sense sparks in the dust, and the controller controls the spark detector to sense sparks and control the high-pressure water mist nozzle to spray water mist to extinguish sparks;
the explosion venting port is provided with a plurality of groups of explosion venting sheets, and the explosion venting sheets are provided with explosion-proof valves.
2. An explosion-proof type dust pelletizing system according to claim 1, characterized in that: the dust removal tank is connected with a support frame outside, and the support frame is used for fixedly mounting the dust removal tank.
3. An explosion proof type dust pelletizing system according to claim 2, characterized in that: the dust removal tank is provided with an exhaust passage above the explosion venting port, and the exhaust pipe is connected with the exhaust passage.
4. An explosion proof type dust pelletizing system according to claim 3, characterized in that: the dust removal tank is internally provided with a cleaning device for cleaning dust, and the cleaning device is arranged on the pulse dust collector.
5. An explosion proof type dust pelletizing system according to claim 4, characterized in that: and the centrifugal fan pumps the gas subjected to dust removal in the exhaust pipe into the exhaust pipe for exhaust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090060.1U CN211411327U (en) | 2019-07-11 | 2019-07-11 | Explosion-proof type dust pelletizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921090060.1U CN211411327U (en) | 2019-07-11 | 2019-07-11 | Explosion-proof type dust pelletizing system |
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| Publication Number | Publication Date |
|---|---|
| CN211411327U true CN211411327U (en) | 2020-09-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921090060.1U Active CN211411327U (en) | 2019-07-11 | 2019-07-11 | Explosion-proof type dust pelletizing system |
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| CN (1) | CN211411327U (en) |
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- 2019-07-11 CN CN201921090060.1U patent/CN211411327U/en active Active
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