CN105478217A - Dust explosion-proof protection system of grain/feed/granular powder grinding apparatus - Google Patents
Dust explosion-proof protection system of grain/feed/granular powder grinding apparatus Download PDFInfo
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- CN105478217A CN105478217A CN201610013321.4A CN201610013321A CN105478217A CN 105478217 A CN105478217 A CN 105478217A CN 201610013321 A CN201610013321 A CN 201610013321A CN 105478217 A CN105478217 A CN 105478217A
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- powder
- explosion
- disintegrating apparatus
- expansion chamber
- dust
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/04—Safety devices
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C35/00—Permanently-installed equipment
- A62C35/58—Pipe-line systems
- A62C35/60—Pipe-line systems wet, i.e. containing extinguishing material even when not in use
- A62C35/605—Pipe-line systems wet, i.e. containing extinguishing material even when not in use operating and sounding alarm automatically
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
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- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a dust explosion-proof protection system of a grain/feed/granular powder grinding apparatus in an embodiment to avoid the risk of dust explosion caused by dust cloud explosion in a grinding processing region due to generated sparks and induced combustion during grinding processing of the grain/feed/granular powder grinding apparatus. The dust explosion-proof protection system of the grain/feed/granular powder grinding apparatus in the embodiment of the dust explosion-proof protection system comprises a grinding apparatus emergency braking interlocking device mounted in dust explosion-proof association with the grinding apparatus, a powder falling settling chamber and a powder conveying system, a magnetic-absorption separation device for metal foreign bodies, the powder conveying system, an air exhausting system, a dust removing apparatus, a spark detection device, a gas fire-extinguishing device, an explosion-proof device, a temperature monitoring device, a fire-extinguishing water spraying device, an interlocking protector and an interlocking protector control system.
Description
Technical field
The present invention relates to powder production and processing field, particularly relate to grain, feed and particle powder disintegrating apparatus dust explosion protection protection system.
Background technology
Disintegrating apparatus is the pulverizing processing adopting active force that is mechanical, high pressure draught to carry out grain, feed and particle powder powder, the pulverizing process of disintegrating apparatus is at the explosive hazard environment pulverizing processing district generation dust airborne dust and formation dust cloud, if pulverize processing occur spark and cause burning, pulverizing processing district dust cloud is ignited and causes dust explosion.
Therefore, find a kind of grain, feed and particle powder disintegrating apparatus dust explosion protection protection system and become the problem that those skilled in the art need solution badly.
Summary of the invention
The embodiment of the invention discloses a kind of grain, feed and particle powder disintegrating apparatus dust explosion protection protection system; produce spark for solving in grain, feed and particle powder disintegrating apparatus pulverizing process and cause burning, make pulverizing processing district dust cloud ignite the danger causing dust explosion.
A kind of grain that the embodiment of the present invention provides, feed and particle powder disintegrating apparatus dust explosion protection protection system, comprising: associate with the dust explosion protection of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system install disintegrating apparatus brake hard interlock, metallic foreign body magnetic separator, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system and interlocking protective device and interlocking protective device control system;
Described grain, the dust explosion technical approach that prevents of feed and particle powder disintegrating apparatus dust explosion protection protection system is at grain, the disintegrating apparatus of feed and particle powder grinding machining system, powder powder falling expansion chamber and installation in powder delivery system prevent the disintegrating apparatus brake hard interlock that dust explosion associates, metallic foreign body magnetic separator, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, and interlocking protective device and interlocking protective device control system, realize the prediction of dust explosion protection security of system, early warning and interlock protection, reduce the danger of dust explosion,
Described disintegrating apparatus brake hard interlock, comprising: machine power braking, high pressure draught valve blocking control device, triggers, start the interlock of described disintegrating apparatus brake hard for interlocking protective device control system guard signal;
The pipeline of the powder delivery system on disintegrating apparatus top installed by described metallic foreign body magnetic separator, for the separation of metallic foreign body magnetic and barrier metal foreign matter that enter powder delivery system pipeline are entered disintegrating apparatus, prevent metallic foreign body from entering disintegrating apparatus generation and strike spark;
The top of described powder powder falling expansion chamber is installed exhaust system and connects cleaner, described exhaust system is used for the dust be suspended in described powder powder falling expansion chamber to discharge, the dust of discharging connects cleaner by exhaust system and carries out dust collection, and the air-flow through cleaner filtration reaches environment protection emission and requires outside discharge;
Described spark detection device, comprise: spark detection and sensor-based system, early warning and warning device and spark detection device and fire-smothering gear control the interlocking protective system started, the detecting location of spark detection device is arranged on the middle and lower part of described disintegrating apparatus inner space and near the connected region place with described powder powder falling expansion chamber, spark detection device occurs spark for detecting pulverizing processing and causes burning;
Described fire-smothering gear, comprise: the high-pressure bottle of splendid attire fire-suppressant gas, fire-suppressant gas conveyance conduit, air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start and control interlocking protective device, and the sprayer for extinguishing fire exit point of fire extinguishing jet device is arranged on the upper area place of described disintegrating apparatus inner space and the upper area place of described powder powder falling expansion chamber; When there is spark and cause burning in fire-smothering gear for described spark detection device detection, the control interlocking protective device of spark detection device and described fire-smothering gear and system start, and fire extinguishing jet device sprays the burning that release high-pressure extinction gas extinguishes spark and causes;
Described explosion-protection equipment, comprise: the explosion-proof explosion venting device of explosion-proof explosion venting device, nonflame, explosion isolation device and explosion-protection equipment start control interlocking protective device, explosion-protection equipment is arranged on the region that described powder delivery system is connected with disintegrating apparatus porch, and the region of powder powder falling expansion chamber top and exhaust system and cleaner junction; Described explosion-proof decompression device was used for before blast pressure not yet reaches the antidetonation strength of disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner, adopt explosion-proof explosion venting device to discharge explosion product, make disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner unlikely destroyed; The explosion-proof explosion venting device of described nonflame is used for that the venting of dust explosion mouth of explosion-proof explosion venting device is located in factory building, venting of dust explosion mouth is towards the explosion-proof explosion venting device of nonflame relating to deathtrap and adopt; Described explosion isolation device is used for the flame of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner appearance and blast wave to block in certain scope; When described explosion-protection equipment startup sends enabling signal and induced signal for explosion-proof explosion venting device, the explosion-proof explosion venting device of nonflame and explosion isolation device, start the control interlock protection of described fire-smothering gear, fire extinguishing water spray system;
Described device for detecting temperature, comprise: TEMP and temperature indicating device, temperature exceed safety limit warning device, and with start described fire-smothering gear, water spray system of putting out a fire control interlocking protective device, the detecting location of device for detecting temperature is arranged on the powder delivery system bottom described powder powder falling expansion chamber and described powder powder falling expansion chamber; Described device for detecting temperature is reported to the police for monitoring described disintegrating apparatus and pulverizing process temperature and exceed safety limit, is occurred spark and cause ignition temperature induction alarm, and described device for detecting temperature and described fire-smothering gear, water spray system of putting out a fire start and control interlock protection;
Described fire extinguishing water spray system, comprise: with the control device of the fire extinguishing inlet channel that is connected of water spray system and facility, the hydraulic pressure display unit, the water jet device that connect inlet channel and facility, the pipeline that water jet device is arranged on described disintegrating apparatus top powder delivery system enter disintegrating apparatus position, be arranged on the region of described powder powder falling expansion chamber, be arranged on the upper area at the dust filtrate place, cleaner inside that described powder powder falling expansion chamber top is connected with exhaust system; Described device for detecting temperature monitoring disintegrating apparatus is pulverized process and is occurred spark and cause ignition temperature induction alarm, and described fire extinguishing water spray system starts control interlock protection;
Described interlocking protective device and interlocking protective device control system; for startup and the system protection interlocked control of described disintegrating apparatus brake hard interlock, spark detection device, fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, realize the prediction of dust explosion protection security of system, early warning and interlock protection.
Alternatively, the top of described powder powder falling expansion chamber is installed exhaust system and connects cleaner, described exhaust system is used for the dust be suspended in described powder powder falling expansion chamber to discharge, the dust of discharging connects cleaner by exhaust system and carries out dust collection, and the air-flow through cleaner filtration reaches environment protection emission and requires outside discharge;
Alternatively, described spark detection device, comprise: spark detection and sensor-based system, early warning and warning device and spark detection device and fire-smothering gear control the interlocking protective system started, the detecting location of spark detection device is arranged on the middle and lower part of described disintegrating apparatus inner space and near the connected region place with described powder powder falling expansion chamber, spark detection device occurs spark for detecting pulverizing processing and causes burning;
Alternatively, described fire-smothering gear, comprise: the high-pressure bottle of splendid attire fire-suppressant gas, fire-suppressant gas conveyance conduit, air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start and control interlocking protective device, and the sprayer for extinguishing fire exit point of fire extinguishing jet device is arranged on the upper area place of described disintegrating apparatus inner space and the upper area place of described powder powder falling expansion chamber; When there is spark and cause burning in fire-smothering gear for described spark detection device detection, the control interlocking protective device of spark detection device and described fire-smothering gear and system start, and fire extinguishing jet device sprays the burning that release high-pressure extinction gas extinguishes spark and causes;
Alternatively, described explosion-protection equipment, comprise: the explosion-proof explosion venting device of explosion-proof explosion venting device, nonflame, explosion isolation device and explosion-protection equipment start control interlocking protective device, explosion-protection equipment is arranged on the region that described powder delivery system is connected with disintegrating apparatus porch, and the region of powder powder falling expansion chamber top and exhaust system and cleaner junction; Described explosion-proof decompression device was used for before blast pressure not yet reaches the antidetonation strength of disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner, adopt explosion-proof explosion venting device to discharge explosion product, make disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner unlikely destroyed; The explosion-proof explosion venting device of described nonflame is used for that the venting of dust explosion mouth of explosion-proof explosion venting device is located in factory building, venting of dust explosion mouth is towards the explosion-proof explosion venting device of nonflame relating to deathtrap and adopt; Described explosion isolation device is used for the flame of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner appearance and blast wave to block in certain scope; When described explosion-protection equipment startup sends enabling signal and induced signal for explosion-proof explosion venting device, the explosion-proof explosion venting device of nonflame and explosion isolation device, start the control interlock protection of described fire-smothering gear, fire extinguishing water spray system;
Alternatively, described device for detecting temperature, comprise: TEMP and temperature indicating device, temperature exceed safety limit warning device, and with start described fire-smothering gear, water spray system of putting out a fire control interlocking protective device, the detecting location of device for detecting temperature is arranged on the powder delivery system bottom described powder powder falling expansion chamber and described powder powder falling expansion chamber; Described device for detecting temperature is reported to the police for monitoring described disintegrating apparatus and pulverizing process temperature and exceed safety limit, is occurred spark and cause ignition temperature induction alarm, and described device for detecting temperature and described fire-smothering gear, water spray system of putting out a fire start and control interlock protection;
Alternatively, described fire extinguishing water spray system, comprise: with the control device of the fire extinguishing inlet channel that is connected of water spray system and facility, the hydraulic pressure display unit, the water jet device that connect inlet channel and facility, the pipeline that water jet device is arranged on described disintegrating apparatus top powder delivery system enter disintegrating apparatus position, be arranged on the region of described powder powder falling expansion chamber, be arranged on the upper area at the dust filtrate place, cleaner inside that described powder powder falling expansion chamber top is connected with exhaust system; Described device for detecting temperature monitoring disintegrating apparatus is pulverized process and is occurred spark and cause ignition temperature induction alarm, and described fire extinguishing water spray system starts control interlock protection;
Alternatively; described interlocking protective device and interlocking protective device control system; for startup and the system protection interlocked control of described disintegrating apparatus brake hard interlock, spark detection device, fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, realize the prediction of dust explosion protection security of system, early warning and interlock protection.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
A kind of grain provided in the embodiment of the present invention, feed and particle powder disintegrating apparatus dust explosion protection protection system, comprising: associate with the dust explosion protection of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system install disintegrating apparatus brake hard interlock, metallic foreign body magnetic separator, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system and interlocking protective device and interlocking protective device control system;
Described grain, the dust explosion technical approach that prevents of feed and particle powder disintegrating apparatus dust explosion protection protection system is at grain, the disintegrating apparatus of feed and particle powder grinding machining system, powder powder falling expansion chamber and installation in powder delivery system prevent the disintegrating apparatus brake hard interlock that dust explosion associates, metallic foreign body magnetic separator, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, and interlocking protective device and interlocking protective device control system, realize the prediction of dust explosion protection security of system, early warning and interlock protection, reduce the danger of dust explosion,
Described disintegrating apparatus brake hard interlock, comprising: machine power braking, high pressure draught valve blocking control device, triggers, start the interlock of described disintegrating apparatus brake hard for interlocking protective device control system guard signal;
The pipeline of the powder delivery system on disintegrating apparatus top installed by described metallic foreign body magnetic separator, for the separation of metallic foreign body magnetic and barrier metal foreign matter that enter powder delivery system pipeline are entered disintegrating apparatus, prevent metallic foreign body from entering disintegrating apparatus generation and strike spark;
The top of described powder powder falling expansion chamber is installed exhaust system and connects cleaner, described exhaust system is used for the dust be suspended in described powder powder falling expansion chamber to discharge, the dust of discharging connects cleaner by exhaust system and carries out dust collection, and the air-flow through cleaner filtration reaches environment protection emission and requires outside discharge;
Described spark detection device, comprise: spark detection and sensor-based system, early warning and warning device and spark detection device and fire-smothering gear control the interlocking protective system started, the detecting location of spark detection device is arranged on the middle and lower part of described disintegrating apparatus inner space and near the connected region place with described powder powder falling expansion chamber, spark detection device occurs spark for detecting pulverizing processing and causes burning;
Described fire-smothering gear, comprise: the high-pressure bottle of splendid attire fire-suppressant gas, fire-suppressant gas conveyance conduit, air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start and control interlocking protective device, and the sprayer for extinguishing fire exit point of fire extinguishing jet device is arranged on the upper area place of described disintegrating apparatus inner space and the upper area place of described powder powder falling expansion chamber; When there is spark and cause burning in fire-smothering gear for described spark detection device detection, the control interlocking protective device of spark detection device and described fire-smothering gear and system start, and fire extinguishing jet device sprays the burning that release high-pressure extinction gas extinguishes spark and causes;
Described explosion-protection equipment, comprise: the explosion-proof explosion venting device of explosion-proof explosion venting device, nonflame, explosion isolation device and explosion-protection equipment start control interlocking protective device, explosion-protection equipment is arranged on the region that described powder delivery system is connected with disintegrating apparatus porch, and the region of powder powder falling expansion chamber top and exhaust system and cleaner junction; Described explosion-proof decompression device was used for before blast pressure not yet reaches the antidetonation strength of disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner, adopt explosion-proof explosion venting device to discharge explosion product, make disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner unlikely destroyed; The explosion-proof explosion venting device of described nonflame is used for that the venting of dust explosion mouth of explosion-proof explosion venting device is located in factory building, venting of dust explosion mouth is towards the explosion-proof explosion venting device of nonflame relating to deathtrap and adopt; Described explosion isolation device is used for the flame of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner appearance and blast wave to block in certain scope; When described explosion-protection equipment startup sends enabling signal and induced signal for explosion-proof explosion venting device, the explosion-proof explosion venting device of nonflame and explosion isolation device, start the control interlock protection of described fire-smothering gear, fire extinguishing water spray system;
Described device for detecting temperature, comprise: TEMP and temperature indicating device, temperature exceed safety limit warning device, and with start described fire-smothering gear, water spray system of putting out a fire control interlocking protective device, the detecting location of device for detecting temperature is arranged on the powder delivery system bottom described powder powder falling expansion chamber and described powder powder falling expansion chamber; Described device for detecting temperature is reported to the police for monitoring described disintegrating apparatus and pulverizing process temperature and exceed safety limit, is occurred spark and cause ignition temperature induction alarm, and described device for detecting temperature and described fire-smothering gear, water spray system of putting out a fire start and control interlock protection;
Described fire extinguishing water spray system, comprise: with the control device of the fire extinguishing inlet channel that is connected of water spray system and facility, the hydraulic pressure display unit, the water jet device that connect inlet channel and facility, the pipeline that water jet device is arranged on described disintegrating apparatus top powder delivery system enter disintegrating apparatus position, be arranged on the region of described powder powder falling expansion chamber, be arranged on the upper area at the dust filtrate place, cleaner inside that described powder powder falling expansion chamber top is connected with exhaust system; Described device for detecting temperature monitoring disintegrating apparatus is pulverized process and is occurred spark and cause ignition temperature induction alarm, and described fire extinguishing water spray system starts control interlock protection;
Described interlocking protective device and interlocking protective device control system; for startup and the system protection interlocked control of described disintegrating apparatus brake hard interlock, spark detection device, fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, realize the prediction of dust explosion protection security of system, early warning and interlock protection.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of grain in the embodiment of the present invention, feed and particle powder disintegrating apparatus dust explosion protection protection system.
Detailed description of the invention
The embodiment of the invention discloses a kind of grain, feed and particle powder disintegrating apparatus dust explosion protection protection system; produce spark for solving in grain, feed and particle powder disintegrating apparatus pulverizing process and cause burning, make pulverizing processing district dust cloud ignite the danger causing dust explosion.
Refer to Fig. 1, in the embodiment of the present invention, the explosion-proof spark monitoring, alarming of a kind of powder disintegrating apparatus 1 and interlocking protective system comprise: with disintegrating apparatus 1, powder powder falling expansion chamber 2, the disintegrating apparatus brake hard interlock of the dust explosion protection association installation of powder delivery system, metallic foreign body magnetic separator 13, powder delivery system 3, exhaust system 10 and cleaner 11, spark detection device 6 and fire-smothering gear 7, explosion-protection equipment (8, 9), device for detecting temperature 4, fire extinguishing water spray system 5, and interlocking protective device and interlocking protective device control system.
As shown in Figure 1, the direction of arrow be material or through disintegrating apparatus 1 pulverize after powder, dust the direction of motion.Powder powder falling expansion chamber 2 to be arranged on bottom disintegrating apparatus 1 and to be communicated with bottom disintegrating apparatus 1, and powder delivery system 3 is installed in the bottom of powder powder falling expansion chamber 2; Powder delivery system 3 is arranged on the top of disintegrating apparatus and is arranged on the bottom with the powder powder falling expansion chamber 2 be communicated with bottom disintegrating apparatus 1; The powder delivery system 3 being arranged on disintegrating apparatus 1 top is for entering disintegrating apparatus by grain, feed and particle powder via the pipeline of disintegrating apparatus top powder delivery system, and the powder pulverized after processing enters powder powder falling expansion chamber 2; Be arranged on powder delivery system 3 bottom powder powder falling expansion chamber 2 for the powder by entering powder powder falling expansion chamber 2, via powder delivery system by 3 powder carry in next production process.
Device for detecting temperature 4 comprises: TEMP and temperature indicating device, temperature exceed safety limit warning device, and with start described fire-smothering gear, water spray system of putting out a fire control interlocking protective device, the detecting location of device for detecting temperature is arranged on the powder delivery system bottom described powder powder falling expansion chamber and described powder powder falling expansion chamber; Described device for detecting temperature is reported to the police for monitoring described disintegrating apparatus and pulverizing process temperature and exceed safety limit, is occurred spark and cause ignition temperature induction alarm, and described device for detecting temperature and described fire-smothering gear, water spray system of putting out a fire start and control interlock protection.
Fire extinguishing water spray system 5 comprises: with the control device of the fire extinguishing inlet channel that is connected of water spray system and facility, the hydraulic pressure display unit, the water jet device that connect inlet channel and facility, the pipeline that water jet device is arranged on described disintegrating apparatus top powder delivery system enter disintegrating apparatus position, be arranged on the region of described powder powder falling expansion chamber, be arranged on the upper area at the dust filtrate place, cleaner inside that described powder powder falling expansion chamber top is connected with exhaust system; Described device for detecting temperature monitoring disintegrating apparatus is pulverized process and is occurred spark and cause ignition temperature induction alarm, and described fire extinguishing water spray system starts control interlock protection.
Spark detection device 6 comprises: spark detection and sensor-based system, early warning and warning device and spark detection device and fire-smothering gear control the interlocking protective system started, the detecting location of spark detection device is arranged on the middle and lower part of described disintegrating apparatus inner space and near the connected region place with described powder powder falling expansion chamber, spark detection device occurs spark for detecting pulverizing processing and causes burning;
Fire-smothering gear 7 comprises: the high-pressure bottle of splendid attire fire-suppressant gas, fire-suppressant gas conveyance conduit, air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start and control interlocking protective device, and the sprayer for extinguishing fire exit point of fire extinguishing jet device is arranged on the upper area place of described disintegrating apparatus inner space and the upper area place of described powder powder falling expansion chamber; When there is spark and cause burning in fire-smothering gear for described spark detection device detection, the control interlocking protective device of spark detection device and described fire-smothering gear and system start, and fire extinguishing jet device sprays the burning that release high-pressure extinction gas extinguishes spark and causes;
Explosion-protection equipment, comprise: the explosion-proof explosion venting device 82 of explosion-proof explosion venting device 8, nonflame, explosion isolation device 9 and explosion-protection equipment start control interlocking protective device, explosion-protection equipment is arranged on the region that described powder delivery system is connected with disintegrating apparatus porch, and the region of powder powder falling expansion chamber top and exhaust system and cleaner junction; Described explosion-proof decompression device was used for before blast pressure not yet reaches the antidetonation strength of disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner, adopt explosion-proof explosion venting device to discharge explosion product, make disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner unlikely destroyed; The explosion-proof explosion venting device of described nonflame is used for that the venting of dust explosion mouth of explosion-proof explosion venting device is located in factory building, venting of dust explosion mouth is towards the explosion-proof explosion venting device of nonflame relating to deathtrap and adopt; Described explosion isolation device is used for the flame of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner appearance and blast wave to block in certain scope; When described explosion-protection equipment startup sends enabling signal and induced signal for explosion-proof explosion venting device, the explosion-proof explosion venting device of nonflame and explosion isolation device, start the control interlock protection of described fire-smothering gear, fire extinguishing water spray system;
Exhaust system 10 is discharged for the dust that will be suspended in described powder powder falling expansion chamber, and the dust of discharge connects cleaner by exhaust system and carries out dust collection, and the air-flow through cleaner 11 filtration reaches environment protection emission and requires outside discharge; Be delivered to device for recovering powder via this lock gas ash-discharging device 12, realize the recycling of powder.Further, on lock gas ash-discharging device 12, monitoring alarm can be installed, whether abnormal for the duty of monitoring this lock gas ash-discharging device 12, if so, then report to the police, ensure the use safety of lock gas ash-discharging device 12.
Preferably, described metallic foreign body magnetic separator 13 is arranged on the pipeline of the powder delivery system on disintegrating apparatus top, for the separation of metallic foreign body magnetic and barrier metal foreign matter that enter powder delivery system pipeline are entered disintegrating apparatus, prevent metallic foreign body from entering disintegrating apparatus 1 generation and strike spark.
Preferably, at the bottom section of this powder powder falling expansion chamber 2, the inlet channel of fire extinguishing water spray system connection and the control device of facility are installed.
In the present embodiment; a kind of powder disintegrating apparatus 1 dust explosion protection and monitoring, alarming and interlocking protective system, comprising: associate with the dust explosion protection of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system install disintegrating apparatus brake hard interlock, metallic foreign body magnetic separator, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system and interlocking protective device and interlocking protective device control system.Described grain, the dust explosion technical approach that prevents of feed and particle powder disintegrating apparatus dust explosion protection protection system is at grain, the disintegrating apparatus of feed and particle powder grinding machining system, powder powder falling expansion chamber and installation in powder delivery system prevent the disintegrating apparatus brake hard interlock that dust explosion associates, metallic foreign body magnetic separator, exhaust system and cleaner, spark detection device and fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, and interlocking protective device and interlocking protective device control system, realize the prediction of dust explosion protection security of system, early warning and interlock protection, reduce the danger of dust explosion, described disintegrating apparatus brake hard interlock, comprising: machine power braking, high pressure draught valve blocking control device, triggers, start the interlock of described disintegrating apparatus brake hard for interlocking protective device control system guard signal, the pipeline of the powder delivery system on disintegrating apparatus top installed by described metallic foreign body magnetic separator, for the separation of metallic foreign body magnetic and barrier metal foreign matter that enter powder delivery system pipeline are entered disintegrating apparatus, prevent metallic foreign body from entering disintegrating apparatus generation and strike spark, the top of described powder powder falling expansion chamber is installed exhaust system and connects cleaner, described exhaust system is used for the dust be suspended in described powder powder falling expansion chamber to discharge, the dust of discharging connects cleaner by exhaust system and carries out dust collection, and the air-flow through cleaner filtration reaches environment protection emission and requires outside discharge, described spark detection device, comprise: spark detection and sensor-based system, early warning and warning device and spark detection device and fire-smothering gear control the interlocking protective system started, the detecting location of spark detection device is arranged on the middle and lower part of described disintegrating apparatus inner space and near the connected region place with described powder powder falling expansion chamber, spark detection device occurs spark for detecting pulverizing processing and causes burning, described fire-smothering gear, comprise: the high-pressure bottle of splendid attire fire-suppressant gas, fire-suppressant gas conveyance conduit, air valve and air pressure display device, fire extinguishing jet device and fire-smothering gear start and control interlocking protective device, and the sprayer for extinguishing fire exit point of fire extinguishing jet device is arranged on the upper area place of described disintegrating apparatus inner space and the upper area place of described powder powder falling expansion chamber, when there is spark and cause burning in fire-smothering gear for described spark detection device detection, the control interlocking protective device of spark detection device and described fire-smothering gear and system start, and fire extinguishing jet device sprays the burning that release high-pressure extinction gas extinguishes spark and causes, described explosion-protection equipment, comprise: the explosion-proof explosion venting device of explosion-proof explosion venting device, nonflame, explosion isolation device and explosion-protection equipment start control interlocking protective device, explosion-protection equipment is arranged on the region that described powder delivery system is connected with disintegrating apparatus porch, and the region of powder powder falling expansion chamber top and exhaust system and cleaner junction, described explosion-proof decompression device was used for before blast pressure not yet reaches the antidetonation strength of disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner, adopt explosion-proof explosion venting device to discharge explosion product, make disintegrating apparatus, powder powder falling expansion chamber, exhaust system and cleaner unlikely destroyed, the explosion-proof explosion venting device of described nonflame is used for that the venting of dust explosion mouth of explosion-proof explosion venting device is located in factory building, venting of dust explosion mouth is towards the explosion-proof explosion venting device of nonflame relating to deathtrap and adopt, described explosion isolation device is used for the flame of disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, exhaust system and cleaner appearance and blast wave to block in certain scope, when described explosion-protection equipment startup sends enabling signal and induced signal for explosion-proof explosion venting device, the explosion-proof explosion venting device of nonflame and explosion isolation device, start the control interlock protection of described fire-smothering gear, fire extinguishing water spray system, described device for detecting temperature, comprise: TEMP and temperature indicating device, temperature exceed safety limit warning device, and with start described fire-smothering gear, water spray system of putting out a fire control interlocking protective device, the detecting location of device for detecting temperature is arranged on the powder delivery system bottom described powder powder falling expansion chamber and described powder powder falling expansion chamber, described device for detecting temperature is reported to the police for monitoring described disintegrating apparatus and pulverizing process temperature and exceed safety limit, is occurred spark and cause ignition temperature induction alarm, and described device for detecting temperature and described fire-smothering gear, water spray system of putting out a fire start and control interlock protection, described fire extinguishing water spray system, comprise: with the control device of the fire extinguishing inlet channel that is connected of water spray system and facility, the hydraulic pressure display unit, the water jet device that connect inlet channel and facility, the pipeline that water jet device is arranged on described disintegrating apparatus top powder delivery system enter disintegrating apparatus position, be arranged on the region of described powder powder falling expansion chamber, be arranged on the upper area at the dust filtrate place, cleaner inside that described powder powder falling expansion chamber top is connected with exhaust system, described device for detecting temperature monitoring disintegrating apparatus is pulverized process and is occurred spark and cause ignition temperature induction alarm, and described fire extinguishing water spray system starts control interlock protection, described interlocking protective device and interlocking protective device control system, for startup and the system protection interlocked control of described disintegrating apparatus brake hard interlock, spark detection device, fire-smothering gear, explosion-protection equipment, device for detecting temperature, fire extinguishing water spray system, realize the prediction of dust explosion protection security of system, early warning and interlock protection.
Above grain provided by the present invention, feed and particle powder disintegrating apparatus dust explosion protection protection system are described in detail; for one of ordinary skill in the art; according to the thought of the embodiment of the present invention; all will change in specific embodiments and applications; in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. a grain, feed and particle powder disintegrating apparatus dust explosion protection protection system, it is characterized in that, comprising: disintegrating apparatus, powder powder falling expansion chamber, powder delivery system, device for detecting temperature, fire extinguishing water spray system, spark detection device and fire-smothering gear;
Described powder powder falling expansion chamber to be arranged on bottom described disintegrating apparatus and to be communicated with bottom described disintegrating apparatus, the bottom installation powder delivery system of described powder powder falling expansion chamber, the powder carry that described powder delivery system is used for being deposited in bottom described powder powder falling expansion chamber is in next production process;
The upper area of described powder powder falling expansion chamber is installed and is connected exhaust system, and described exhaust system is used for the dust be suspended in described powder powder falling expansion chamber to discharge;
The monitoring probe of described device for detecting temperature be arranged on bottom described powder powder falling expansion chamber with described powder delivery system be communicated with position, described device for detecting temperature is for monitoring the temperature of described powder powder falling expansion chamber and described powder delivery system, if the temperature monitored exceedes default temperature value, then start described fire extinguishing water spray system;
The water jet of described fire extinguishing water spray system be arranged on bottom described powder powder falling expansion chamber with described powder delivery system be communicated with position;
The sensing point of described spark detection device be arranged on described disintegrating apparatus inner space middle and lower part and near with described powder powder falling expansion chamber be communicated with position;
Described spark detection device and described fire-smothering gear are interlocked, and the sprayer for extinguishing fire exit point of described fire-smothering gear is arranged on the upper area of described disintegrating apparatus inner space and the upper area of described powder powder falling expansion chamber.
2. grain according to claim 1, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; described spark detection device is electrically connected with the pulverizing motor of described disintegrating apparatus, for when described spark detection device captures flame, stops described pulverizing motor.
3. grain according to claim 1, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; install explosion-proof explosion venting device at the upper area of described powder powder falling expansion chamber, the venting of dust explosion conduit of described explosion-proof explosion venting device is towards outdoor.
4. grain according to claim 3, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; install explosion-proof explosion venting device and explosion isolation device in the entry position of described disintegrating apparatus, described explosion-proof explosion venting device is the explosion-proof explosion venting device of nonflame.
5. grain according to claim 3, feed and particle powder disintegrating apparatus dust explosion protection protection system, is characterized in that, install explosion-proof explosion venting device in the exhaust outlet position of described exhaust system.
6. grain according to claim 3, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; in the junction of described exhaust system and described powder powder falling expansion chamber upper area, explosion isolation device is installed; described explosion isolation device is connected with the blower fan of described exhaust system; for blasting abnormal once described disintegrating apparatus or described powder powder falling expansion chamber; close the passage of described powder powder falling expansion chamber to described exhaust system, and stop the blower fan of described exhaust system.
7. grain according to claim 1, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; the exhaust duct of described exhaust system is installed cleaner and the lock gas ash-discharging device being arranged on described cleaner lower exit port position; described cleaner is used for the dust collection through described exhaust duct to get up; described lock gas ash-discharging device is connected with device for recovering powder, and the dust for being collected by described cleaner is delivered to described device for recovering powder.
8. grain according to claim 1, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; metallic foreign body magnetic separator is installed, for screening the irony thing block in the material sending into described disintegrating apparatus in the entry position of described disintegrating apparatus.
9. grain according to claim 1, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that; at the bottom section of described powder powder falling expansion chamber, water inlet pipe is installed; described water inlet pipe is connected with described fire extinguishing water spray system, for described fire extinguishing water spray system supplies water.
10. grain according to claim 7, feed and particle powder disintegrating apparatus dust explosion protection protection system; it is characterized in that, described lock gas ash-discharging device is provided with monitoring alarm, whether abnormal for the duty of monitoring described lock gas ash-discharging device; if so, then report to the police.
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| CN108970261A (en) * | 2018-08-02 | 2018-12-11 | 东北大学 | A kind of explosion-proof type deduster |
| CN109806531A (en) * | 2019-01-30 | 2019-05-28 | 河南理工大学 | A kind of low-carbon gas hydrate crushing explosion suppression device |
| CN109857069A (en) * | 2018-12-29 | 2019-06-07 | 金方圆安全技术研究院（苏州）有限公司 | A kind of dust explosion protection intelligence pressure relief system control integrated system |
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| CN110487690A (en) * | 2018-05-14 | 2019-11-22 | 中国石油化工股份有限公司 | A kind of high humidity dust control early warning and removal system |
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| CN111804421A (en) * | 2020-06-29 | 2020-10-23 | 洛阳智昊工程科技有限公司 | Unattended system and method for aggregate crushing equipment |
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| CN115899746A (en) * | 2022-12-02 | 2023-04-04 | 西安西热锅炉环保工程有限公司 | Explosion-proof system for large-proportion mixed combustion of biomass of coal-fired unit |
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| CN111804421A (en) * | 2020-06-29 | 2020-10-23 | 洛阳智昊工程科技有限公司 | Unattended system and method for aggregate crushing equipment |
| CN115899746A (en) * | 2022-12-02 | 2023-04-04 | 西安西热锅炉环保工程有限公司 | Explosion-proof system for large-proportion mixed combustion of biomass of coal-fired unit |
| CN118426428A (en) * | 2024-07-05 | 2024-08-02 | 贵州大学 | Abnormality alarm method and system for straw feed production control system |
| CN118426428B (en) * | 2024-07-05 | 2024-09-13 | 贵州大学 | Abnormality alarm method and system for straw feed production control system |
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