CN113798300B - Coal gallery transportation belt coal particle that scatters purifies recovery unit - Google Patents
Coal gallery transportation belt coal particle that scatters purifies recovery unit Download PDFInfo
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- CN113798300B CN113798300B CN202111191821.4A CN202111191821A CN113798300B CN 113798300 B CN113798300 B CN 113798300B CN 202111191821 A CN202111191821 A CN 202111191821A CN 113798300 B CN113798300 B CN 113798300B
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- 239000003245 coal Substances 0.000 title claims abstract description 83
- 239000002245 particle Substances 0.000 title claims abstract description 52
- 238000011084 recovery Methods 0.000 title claims description 12
- 239000000428 dust Substances 0.000 claims abstract description 90
- 238000007664 blowing Methods 0.000 claims abstract description 48
- 238000001914 filtration Methods 0.000 claims abstract description 24
- 238000005086 pumping Methods 0.000 claims abstract description 19
- 238000012360 testing method Methods 0.000 claims abstract description 7
- 238000000746 purification Methods 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims description 16
- 230000001360 synchronised effect Effects 0.000 claims description 16
- 239000007787 solid Substances 0.000 claims description 9
- 238000010521 absorption reaction Methods 0.000 claims description 8
- 239000002817 coal dust Substances 0.000 claims description 8
- 239000008187 granular material Substances 0.000 claims description 5
- 238000005259 measurement Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 230000029058 respiratory gaseous exchange Effects 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 15
- 239000000843 powder Substances 0.000 abstract 2
- 238000007667 floating Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 4
- 239000007921 spray Substances 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 239000002360 explosive Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000000462 isostatic pressing Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000571 coke Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/18—Preventing escape of dust
- B65G69/185—Preventing escape of dust by means of non-sealed systems
- B65G69/186—Preventing escape of dust by means of non-sealed systems with aspiration means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/04—Cleaning filters
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/44—Auxiliary equipment or operation thereof controlling filtration
- B01D46/442—Auxiliary equipment or operation thereof controlling filtration by measuring the concentration of particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B15/00—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area
- B08B15/04—Preventing escape of dirt or fumes from the area where they are produced; Collecting or removing dirt or fumes from that area from a small area, e.g. a tool
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cleaning In General (AREA)
Abstract
The invention discloses a coal gallery transportation belt scattered coal particle purifying and recycling device which comprises a pneumatic recycling coal powder particle system, a fresh air blowing and sucking system and a test control system, wherein the pneumatic recycling coal powder particle system comprises an exhaust pipe, the tail end of the exhaust pipe is provided with a rainproof exhaust outlet, the other end of the exhaust pipe is provided with a high negative pressure fan, one side of the high negative pressure fan is provided with a dust filtering and recycling device, one end of the dust filtering device is connected with an even pumping and conveying air pipe, negative pressure pumping and conveying branch pipes are arranged at fixed intervals in the even pumping and conveying air pipe, and the negative pressure pumping and conveying branch pipes are connected with a fixed side suction port pneumatic control valve through one end of a tee joint. The invention is used for clearing and recovering scattered coal particles on the coal corridor conveyor belt, automatically detects the concentration of the coal particles at the conveyor belt, automatically updates the filter bag, automatically clears and recovers the coal particles, and can meet the purification requirements of the ground and the space below the coal corridor conveyor belt.
Description
Technical Field
The invention relates to the technical field of purification and recovery of combustible and explosive particulate matters, in particular to a purification and recovery device for scattered coal particles of a coal gallery transportation belt.
Background
Coal washery of internal operation, the belt transport coal corridor of coal fired power plant etc. is mostly non-enclosed construction, cause the coal granule of equidimension not to scatter because of various disturbances in the transportation belt transportation, cause the buggy to exceed standard in the transportation belt workshop and under the belt and each surface gather the coal granule in the workshop, cause the air circumstance in the transportation coal corridor to worsen the health that influences the staff, also caused certain potential safety hazard because of the buggy is inflammable explosive granule, scatter the coal granule simultaneously and also cause the waste of resource.
The existing coal transportation belt dust control mostly adopts a newly-built closed transportation belt or spray water to fix a point and suppress dust, the closed transportation belt needs to be rebuilt again, the cost is high, the production is influenced, the spray dust suppression technology can play a better role at a concentrated coal dust generation point, and the technology is used in a coal bunker or a transfer point and a coal mine underground coal transportation roadway. However, the coal particles scattered by the open type conveying belt in the coal gallery of the coal washing plant, the coal-fired power plant and the coke plant in a large area can not be prevented from diffusing by adopting a spray dust removal technology. Therefore, in order to solve the problems of collection of scattered coal particles and clean treatment of a working environment in open belt transportation in the processes of coal washing, coal-fired power generation and coking at present, the invention provides the purification and recovery device for the scattered coal particles by the coal corridor transportation belt, which solves the problems that environmental pollution caused by the coal particles scattered on the ground or floating in a space below the belt under the coal corridor transportation belt to be urgently solved is harmful to safety and health and reduces the economic loss of the scattered coal.
Disclosure of Invention
The invention aims to provide a purification and recovery device for coal particles scattered by a coal corridor conveying belt, which aims to solve the problems that the coal particles scattered by an open type conveying belt in a coal corridor in the background art cannot be prevented from being diffused by adopting a spray dust removal technology and the like.
In order to achieve the purpose, the invention provides the following technical scheme: a coal gallery transportation belt scattered coal particle purifying and recycling device comprises a pneumatic recycling pulverized coal particle system, a fresh air blowing and sucking system and a test control system, wherein the pneumatic recycling pulverized coal particle system comprises an exhaust pipe, the tail end of the exhaust pipe is provided with a rainproof exhaust outlet, the other end of the exhaust pipe is provided with a high negative pressure fan, one side of the high negative pressure fan is provided with a dust filtering and recycling device, one end of the dust filtering device is connected with an even pumping and conveying air pipe, negative pressure pumping and conveying air pipes are arranged at fixed intervals on the even pumping and conveying air pipes, one end of each negative pressure pumping and conveying branch pipe is connected with a fixed side suction port pneumatic control valve through a tee joint, the other end of each negative pressure pumping and conveying branch pipe is connected with an automatic movable type suction port pneumatic control valve through the other end of the tee joint, and the other end of the fixed side suction port pneumatic control valve is connected with a fixed side suction port, the fixed side suction port is arranged close to the ground, a side air blowing port is arranged at a certain distance away from the opposite side of the fixed side suction port, and a dust concentration detector is arranged in the area above the fixed side suction port;
The fixed side suction port is provided with an auxiliary blowing system, the auxiliary blowing system comprises a fresh air fan, a multifunctional rainproof dustproof air inlet is arranged at the suction port of the fresh air fan, the outlet end of the fresh air fan is connected to a fresh air supply main pipe, a side blowing port is arranged at the tail end of a fresh air side blowing branch pipe, the air inlet end of the side blowing port is provided with a side blowing control air valve, and the fresh air side blowing branch pipe is connected to the fresh air supply main pipe through a tee joint;
one end of the automatic movable suction port pneumatic control valve is connected with a flow dividing tee joint of the negative pressure pumping branch pipe, the other end of the automatic movable suction port pneumatic control valve is connected with a movable rubber pipe conversion interface, one end of the movable rubber pipe conversion interface is connected with a negative pressure suction rubber pipe, and the tail end of the negative pressure suction rubber pipe is provided with an automatic movable dust suction port;
the automatic movable dust suction port is characterized in that a control signal receiving and sending device is arranged at the upper end of the automatic movable dust suction port, a synchronous winch is arranged on the other side of the control signal receiving and sending device, a winch rotating shaft and a driving motor are arranged at the center of the synchronous winch, a power supply and an electric control mechanism are arranged at the center of the lower end of the automatic movable dust suction port, the periphery of the lower end of the automatic movable dust suction port is an annular ground-attached dust suction port, a movable dust suction port connecting pipe is arranged at the center of the upper end of the automatic movable dust suction port, the movable dust suction port connecting pipe is connected with one end of a negative pressure suction rubber pipe, the air suction end of the negative pressure suction rubber pipe is wound on one side of the synchronous winch, the air outlet end of the negative pressure suction rubber pipe is sequentially wound on the other side of the synchronous winch, and the air outlet end of the negative pressure suction rubber pipe is connected with a movable rubber pipe conversion interface;
The inlet of the dust filtering and recycling device is provided with a filtering device gas-solid inlet control valve, the inside of the dust filtering and recycling device is close to the filtering device gas-solid inlet control valve and is provided with a replaceable filter bag, the outer wall of the replaceable filter bag is provided with a vibrator, the bottom of the replaceable filter bag is provided with a pulverized coal discharge port, the upper side of the dust filtering and recycling device is provided with a filtering device air outlet, and the outer end of the filtering device air outlet is provided with a discharge port control valve;
the test control system comprises a side blowing port and a fixed side suction port, a dust concentration detector is uniformly arranged between the side blowing port and the fixed side suction port, a detection signal of the dust concentration detector is transmitted to the measurement and control center device, the pneumatic control system comprises a power device air compressor, the air compressor is connected with a compressed air pipeline, the compressed air pipeline is provided with a compressed air branch pipe, and the compressed air branch pipe leads to a side blowing control air valve.
Preferably, a side air blowing port is provided on the right opposite side thereof in accordance with the position of the fixed side suction port.
Preferably, the fresh air supply main pipe continuously changes the section size according to the position of the side air supply port to form an isostatic pressing main pipe for uniformly supplying air, and the auxiliary side air supply module for fixing the blowing and sucking type pulverized coal particle trapping module is formed by the fresh air supply main pipe and the pipeline.
Preferably, the fixed side suction port and the side blowing port form a blowing-sucking type pulverized coal particle trapping module.
Preferably, the movable rubber tube conversion interface, the negative pressure suction rubber tube, the synchronous winch, the movable dust suction port connecting tube, the control signal receiving and sending device, the power supply and electric control mechanism, the automatic movable dust suction port, the negative pressure suction branch tube and the automatic movable suction port pneumatic control valve are connected to form the automatic movable pulverized coal particle trapping module.
Preferably, a coal bunker of a coal conveyer is arranged on one side of the movable rubber pipe conversion interface.
Preferably, the lower end of the automatic movable dust suction port is provided with a movable wheel.
Preferably, the side-blowing control air valve is linked with the side air suction opening.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the trapping and recovery of floating particles in the space below the belt and scattered coal dust particles on the ground can be realized by fixing the side suction port and returning the trapped and recovered floating particles to the belt conveying system, and the dust particle detection device arranged at the coal conveying belt can start the dust suction port at the position with the concentration exceeding the standard to operate in real time and close the dust suction port at the position with the dust concentration lower than a control value, so that the effective combination of centralized and distributed treatment is realized;
2. The automatic movable dust suction port is arranged, is responsible for trapping pulverized coal particles in the region which cannot be covered by the fixed side suction port in the region near the clean absorption and transportation belt, and is combined with the fixed side suction port dynamically and statically to enlarge the area for cleaning and dust removal, so that the defects of small coverage area and large energy consumption for enlarging the coverage area depending on the fixed side suction port are overcome;
3. the fixed side suction port is provided with the auxiliary blowing system, so that particles floating below the conveying belt and dust on the ground are simultaneously subjected to the action of the side air supply port and the fixed side air suction port, the high negative pressure power requirement of the single side air suction port is reduced, and the recovery rate of larger particle dust is improved under the combined action of the side air supply ports.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a diagrammatic illustration of the field practice of the present invention;
FIG. 3 is a schematic view of the dust collector;
FIG. 4 is a schematic elevation view of the automatic movable vacuum cleaner;
FIG. 5 is a schematic view of the automatic movable suction opening of the present invention.
In the figure: 1. a high negative pressure fan; 2. a dust filtering and recovering device; 201. a gas-solid inlet control valve of the filtering device; 202. an air outlet of the filtering device; 203. the filter bag can be replaced; 204. a vibrator; 205. a discharge port control valve; 206. a pulverized coal discharge port; 3. uniformly pumping and discharging the conveying air pipes; 4. a fixed side suction port pneumatic control valve; 5. a fixed side suction port; 6. a branch pipe is pumped and discharged under negative pressure; 7. a negative pressure suction rubber tube; 8. an automatic movable dust suction port; 801. an annular ground-attaching dust suction port; 802. moving the wheels; 803. a power supply and an electric control mechanism; 804. a control signal receiving and transmitting device; 805. moving the dust collection port connecting pipe; 806. a synchronous winch; 807. a winch rotating shaft and a driving motor; 9. a side air blowing port; 10. a fresh air side-blown branch pipe; 11. a fresh air fan; 12. a dust concentration detector; 13. a rain-proof air outlet; 14. an air compressor; 15. a compressed air line; 16. an automatic movable suction port pneumatic control valve; 17. a compressed air branch pipe; 18. moving the rubber tube conversion interface; 19. a fresh air supply main pipe; 20. an exhaust duct; 21. a measurement and control center device; 22. a side-blown control blast valve; 23. a rain-proof and dust-proof air inlet; 24. coal bunker of coal conveyer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1 to 5, an embodiment of the present invention: a coal gallery transportation belt scattered coal particle purifying and recycling device comprises a pneumatic recycling pulverized coal particle system, a fresh air blowing and sucking system and a test control system, wherein the pneumatic recycling pulverized coal particle system comprises an exhaust pipe 20, the tail end of the exhaust pipe 20 is provided with a rainproof exhaust outlet 13, the other end of the exhaust pipe 20 is provided with a high negative pressure fan 1, one side of the high negative pressure fan 1 is provided with a dust filtering and recycling device 2, one end of the dust filtering device 2 is connected with an even pumping and conveying air pipe 3, the even pumping and conveying air pipe 3 is provided with negative pressure pumping and conveying branch pipes 6 at fixed intervals, one end of each negative pressure pumping and conveying branch pipe 6 is connected with a fixed side suction port pneumatic control valve 4, the other end of each negative pressure pumping and conveying branch pipe 6 is connected with an automatic movable type suction port pneumatic control valve 16 through a tee, and the other end of each fixed side suction port pneumatic control valve 4 is connected with a fixed side suction port 5, the fixed side suction port 5 is arranged close to the ground, a side air blowing port 9 is arranged at a certain distance from the opposite side of the fixed side suction port 5, and a dust concentration detector 12 is arranged in the area nearby the upper part of the fixed side suction port 5;
The fixed side suction port 5 is provided with an auxiliary blowing system, the auxiliary blowing system comprises a fresh air fan 11, a multifunctional rainproof dustproof air inlet 23 is arranged at the suction port of the fresh air fan 11, the outlet end of the fresh air fan 11 is connected to a fresh air supply main pipe 19, a side blowing port 9 is arranged at the tail end of a fresh air side blowing branch pipe 10, a side blowing control air valve 22 is arranged at the air inlet end of the side blowing port 9, and the fresh air side blowing branch pipe 10 is connected to the fresh air supply main pipe 19 through a tee joint;
one end of the automatic movable suction port pneumatic control valve 16 is connected with a flow dividing tee joint of the negative pressure pumping branch pipe 6, the other end of the automatic movable suction port pneumatic control valve 16 is connected with a movable rubber pipe conversion interface 18, one end of the movable rubber pipe conversion interface 18 is connected with a negative pressure suction rubber pipe 7, and the tail end of the negative pressure suction rubber pipe 7 is provided with an automatic movable dust suction port 8;
the upper end of the automatic movable dust suction port 8 is provided with a control signal receiving and sending device 804, the other side of the control signal receiving and sending device 804 is provided with a synchronous winch 806, the center of the synchronous winch 806 is provided with a winch rotating shaft and a driving motor 807, the center of the lower end of the automatic movable dust suction port 8 is provided with a power supply and electric control mechanism 803, the periphery of the lower end of the automatic movable dust suction port 8 is provided with a dust suction port 801 which is annularly attached to the ground, the center of the upper end of the automatic movable dust suction port 8 is provided with a movable dust suction port connecting pipe 805, the movable dust suction port connecting pipe 805 is connected with one end of the negative pressure suction rubber hose 7, the air suction end of the negative pressure suction rubber hose 7 is wound on one side of the synchronous winch 806, the air outlet end of the negative pressure suction rubber hose 7 is sequentially wound on the other side of the synchronous winch 806, and the air outlet end of the negative pressure suction rubber hose 7 is connected with a movable rubber hose conversion interface 18;
A filter device gas-solid inlet control valve 201 is arranged at the inlet of the dust filtering and recovering device 2, the filter device gas-solid inlet control valve 201 is opened under the common working condition of collecting coal dust particles, the filter device gas-solid inlet control valve 201 is closed under the working condition of recovering coal dust particles on the replaceable filter bag 203, the replaceable filter bag 203 is arranged in the dust filtering and recovering device 2 close to the filter device gas-solid inlet control valve 201, a vibrator 204 is arranged on the outer wall of the replaceable filter bag 203, a coal dust discharge port 206 is arranged at the bottom of the replaceable filter bag 203, a filter device air outlet 202 is arranged on the upper side of the dust filtering and recovering device 2, and a discharge port control valve 205 is arranged at the outer end of the filter device air outlet 202;
the test control system comprises a side blowing port 9 and a fixed side suction port 5, a dust concentration detector 12 is uniformly arranged between the side blowing port 9 and the fixed side suction port 5, a detection signal of the dust concentration detector 12 is transmitted to a measurement and control center device 21, the measurement and control center device 21 sends out a control signal to control the opening and closing of a fixed side suction port pneumatic control valve 4 on a nearby negative pressure pumping branch pipe 6 and the opening and closing of an automatic movable suction port pneumatic control valve 16 and also control the operation of the automatic movable suction port 8, the pneumatic control mode is adopted for control under the inflammable and explosive environment, the fixed side suction port pneumatic control valve 4 and the automatic movable suction port pneumatic control valve 16 are opened and closed, the pneumatic control system comprises a power device air compressor 14, the air compressor 14 is connected with a compressed air pipeline 15, the compressed air pipeline 15 is provided with a compressed air branch pipe 17, the compressed air branch pipe 17 leads to the side blowing control air valve 22 when the ground has more dust deposition and larger pulverized coal particles or the dust concentration exceeds a certain value When the auxiliary fixed side suction port 5 is opened, the efficiency of trapping pulverized coal particles is improved, the fixed side suction port pneumatic control valve 4 is opened and closed, the tail end of the compressed air branch pipe 17 is communicated with the fixed side suction port pneumatic control valve 4 and the automatic movable type suction port pneumatic control valve 16, and the heat of the absorbed air is cooled while the compressed air branch pipe is pneumatically controlled.
Further, a side blow port 9 is provided on the right opposite side thereof depending on the position of the fixed side suction port 5.
Further, the fresh air supply main pipe 19 continuously changes the section size according to the position of the side air supply port to form an isostatic pressing main pipe for uniformly supplying air, and an auxiliary side air supply module for fixing the blowing and sucking type coal dust particle trapping module is formed by the above pipelines.
Furthermore, the fixed side suction port 5 and the side blowing port 9 form a blowing-sucking type pulverized coal particle trapping module.
Further, the automatic movable pulverized coal particle trapping module is formed by connecting the movable rubber tube conversion interface 18, the negative pressure suction rubber tube 7, the synchronous winch 806, the movable dust suction port connecting tube 805, the control signal receiving and sending device 804, the power supply and electric control mechanism 803, the automatic movable dust suction port 8, the negative pressure suction branch tube 6 and the automatic movable suction port pneumatic control valve 16.
Further, a coal bunker 24 of the coal conveyer is arranged on one side of the movable rubber hose conversion interface 18.
Further, a movable wheel 802 is provided at the lower end of the automatic movable dust suction port 8.
Further, the side-blowing control damper 22 is interlocked with the side suction port 9.
The working principle is as follows: when the dust collecting device is used, the collection and recovery of floating particles in the space below the belt and scattered coal dust particles on the ground are realized by the fixed side suction port 5 and return to the belt conveying system, the dust particle detecting device arranged at the coal conveying belt can start the dust collecting port at the position with the concentration exceeding the standard to operate in real time and close the dust collecting port at the position with the dust concentration lower than a control value, so that the effective combination of centralized and distributed processing is realized; the automatic movable dust suction port 8 is used for collecting pulverized coal particles in the area which cannot be covered by the fixed side suction port in the area near the cleaning and absorbing conveying belt, and the fixed side suction port 5 is combined with the fixed side suction port to enlarge the cleaning and dust removing area, so that the defects of small coverage area and large energy consumption for enlarging the coverage area depending on the fixed side suction port are reduced; the auxiliary blowing system is arranged through the fixed side suction port 5, so that floating particles below the conveying belt and dust on the ground are simultaneously acted by the side air supply port and the fixed side air suction port 5, the high negative pressure power requirement of the single side air suction port is reduced, and the recovery rate of larger particle dust is improved under the combined force action of the side air supply ports.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a coal gallery transportation belt coal particle purification recovery unit that falls scattered, includes that strength retrieves buggy granule system, new trend pressure-vaccum system and test control system, its characterized in that: the pneumatic pulverized coal particle recovery system comprises an exhaust pipe (20), a rainproof exhaust outlet (13) is arranged at the tail end of the exhaust pipe (20), a high negative pressure fan (1) is arranged at the other end of the exhaust pipe (20), a dust filtering and recovering device (2) is arranged on one side of the high negative pressure fan (1), one end of the dust filtering and recovering device (2) is connected with an even suction and exhaust conveying air pipe (3), negative pressure suction and exhaust branch pipes (6) are arranged at fixed intervals on the even suction and exhaust conveying air pipe (3), a fixed side suction port pneumatic control valve (4) is connected to one end of each negative pressure suction and exhaust branch pipe (6) through a tee joint, an automatic movable suction port pneumatic control valve (16) is connected to the other end of each negative pressure suction and exhaust branch pipe (6) through a tee joint, and a fixed side suction port (5) is connected to the other end of each fixed side suction port pneumatic control valve (4), the fixed side suction port (5) is arranged close to the ground, a side air blowing port (9) is arranged at a certain distance from the opposite side of the fixed side suction port, and a dust concentration detector (12) is arranged in the area near the upper part of the fixed side suction port (5);
The fixed side suction port (5) is provided with an auxiliary blowing system, the auxiliary blowing system comprises a fresh air fan (11), a multifunctional rainproof and dustproof air inlet (23) is arranged at the suction port of the fresh air fan (11), the outlet end of the fresh air fan (11) is connected into a fresh air supply main pipe (19), a side blowing port (9) is arranged at the tail end of a fresh air side blowing branch pipe (10), the air inlet end of the side blowing port (9) is provided with a side blowing control air valve (22), and the fresh air side blowing branch pipe (10) is connected into the fresh air supply main pipe (19) through a tee joint;
one end of the automatic movable suction port pneumatic control valve (16) is connected with a flow dividing tee joint of the negative pressure pumping branch pipe (6), the other end of the automatic movable suction port pneumatic control valve (16) is connected with a movable rubber pipe conversion interface (18), one end of the movable rubber pipe conversion interface (18) is connected with a negative pressure suction rubber pipe (7), and the tail end of the negative pressure suction rubber pipe (7) is provided with an automatic movable dust suction port (8);
the upper end of automatic movable dust absorption mouth (8) is equipped with control signal and connects device (804) soon, control signal connects the opposite side that device (804) soon to be equipped with synchronous capstan winch (806), synchronous capstan winch (806) center sets up capstan winch pivot and driving motor (807), automatic movable dust absorption mouth (8) lower extreme center is equipped with power and electric control mechanism (803), the lower extreme circumference of automatic movable dust absorption mouth (8) is annular ground dust absorption mouth (801), the upper end center of automatic movable dust absorption mouth (8) is equipped with removal dust absorption mouth takeover (805), it connects with the one end of negative pressure suction rubber tube (7) to remove dust absorption mouth takeover (805), the end of breathing in of negative pressure suction rubber tube (7) is around the one side of synchronous capstan winch (806), the end of giving vent to anger of negative pressure suction rubber tube (7) is in proper order around the opposite side of synchronous capstan winch (806) in proper order, the air outlet end of the negative pressure suction rubber pipe (7) is connected with a movable rubber pipe conversion interface (18);
A filter device gas-solid inlet control valve (201) is arranged at an inlet of the dust filtering and recovering device (2), a replaceable filter bag (203) is arranged in the dust filtering and recovering device (2) and next to the filter device gas-solid inlet control valve (201), a vibrator (204) is arranged on the outer wall of the replaceable filter bag (203), a pulverized coal discharge port (206) is arranged at the bottom of the replaceable filter bag (203), a filter device air outlet (202) is arranged on the upper side of the dust filtering and recovering device (2), and a discharge port control valve (205) is arranged at the outer end of the filter device air outlet (202);
the test control system comprises a side blowing port (9) and a fixed side suction port (5), wherein a dust concentration detector (12) is uniformly arranged between the side blowing port (9) and the fixed side suction port (5), a detection signal of the dust concentration detector (12) is transmitted to a measurement and control center device (21), the pneumatic control system comprises a power device air compressor (14), the air compressor (14) is connected with a compressed air pipeline (15), the compressed air pipeline (15) is provided with a compressed air branch pipe (17), and the compressed air branch pipe (17) leads to a side blowing control air valve (22).
2. The device of claim 1 for purifying and recovering the scattered coal particles on the coal gallery conveyor belt, which is characterized in that: a side blow-off port (9) is provided on the opposite side thereof in accordance with the position of the fixed side suction port (5).
3. The device of claim 1 for purifying and recovering the scattered coal particles on the coal gallery conveyor belt, which is characterized in that: the automatic movable coal dust particle trapping module is formed by connecting a movable rubber tube conversion interface (18), a negative pressure suction rubber tube (7), a synchronous winch (806), a movable dust suction port connecting tube (805), a control signal receiving and sending device (804), a power supply and electric control mechanism (803), an automatic movable dust suction port (8), a negative pressure suction branch tube (6) and an automatic movable suction port pneumatic control valve (16).
4. The device of claim 1 for purifying and recovering the scattered coal particles on the coal gallery conveyor belt, which is characterized in that: and a coal bunker (24) of a coal conveyer is arranged on one side of the movable rubber pipe conversion interface (18).
5. The device of claim 1 for purifying and recovering the scattered coal particles on the coal gallery conveyor belt, which is characterized in that: the lower end of the automatic movable dust collection opening (8) is provided with a movable wheel (802).
6. The device of claim 1 for purifying and recovering the scattered coal particles on the coal gallery conveyor belt, which is characterized in that: and the side-blowing control air valve (22) and the side-blowing port (9) form linkage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191821.4A CN113798300B (en) | 2021-10-13 | 2021-10-13 | Coal gallery transportation belt coal particle that scatters purifies recovery unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111191821.4A CN113798300B (en) | 2021-10-13 | 2021-10-13 | Coal gallery transportation belt coal particle that scatters purifies recovery unit |
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| Publication Number | Publication Date |
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| CN113798300A CN113798300A (en) | 2021-12-17 |
| CN113798300B true CN113798300B (en) | 2022-07-19 |
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| CN202111191821.4A Active CN113798300B (en) | 2021-10-13 | 2021-10-13 | Coal gallery transportation belt coal particle that scatters purifies recovery unit |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201020463Y (en) * | 2007-04-17 | 2008-02-13 | 潘金龙 | Device for cleaning cigarette device by assorted positive and negative pressure wind power |
| CN104785043A (en) * | 2015-03-13 | 2015-07-22 | 上海昌余通讯科技有限公司 | Automatic dust collector for workshop |
| CN106824964A (en) * | 2017-03-20 | 2017-06-13 | 威尔登环保设备（长沙）有限公司 | Blowing and drawing type dust pelletizing system |
| KR101971174B1 (en) * | 2017-03-31 | 2019-04-22 | 주식회사 한경엔지니어링 | Push-pull type removing dust apparatus |
| CN109127631B (en) * | 2018-09-29 | 2021-10-26 | 东华大学 | Mobile blowing and sucking type modular dust removal system |
| CN210523339U (en) * | 2019-07-08 | 2020-05-15 | 所德（厦门）环境工程有限公司 | Central cleaning system |
| CN211945447U (en) * | 2019-10-21 | 2020-11-17 | 云南新紫烟科技有限公司 | Blowing-sucking type gas collection dust removal device |
| CN112077106A (en) * | 2020-08-31 | 2020-12-15 | 中色科技股份有限公司 | Joint debugging and operation control method for fixed centralized aluminum casting workshop negative pressure cleaning device |
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