CN104594981B - Efficient tail gas particle purification system of mining rubber-tyred vehicle - Google Patents
Efficient tail gas particle purification system of mining rubber-tyred vehicle Download PDFInfo
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- CN104594981B CN104594981B CN201410704341.7A CN201410704341A CN104594981B CN 104594981 B CN104594981 B CN 104594981B CN 201410704341 A CN201410704341 A CN 201410704341A CN 104594981 B CN104594981 B CN 104594981B
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Abstract
The invention belongs to the technical field of tail gas emission of transportation equipment of mining rubber-tyred vehicles for underground coal mines and particularly relates to an efficient tail gas particle purification system of a mining rubber-tyred vehicle. The efficient tail gas particle purification system solves the problem that in the running process of existing mining rubber-tyred vehicles for underground coal mines, tail gas particle emission performance exceeds standards seriously. The efficient tail gas particle purification system of the mining rubber-tyred vehicle comprises an exhaust pipe and an exhaust tail pipe and further comprises a tail gas particle purification device and a display and warning system, the tail gas particle purification device comprises an exhaust safety device and a tail gas particle catcher arranged between the exhaust pipe and the exhaust tail pipe, the tail gas particle catcher comprises multiple levels of catcher bodies arranged in a shell in sequence, the catcher body of each level is formed by stacking a plurality of metal foam sheets, the metal foam sheets are made of Fe-Cr-Al in a firing mode, have different hole diameters and have the thicknesses of 3 mm-5 mm, and the hole diameters of the metal foam sheets in the levels of catcher bodies gradually decrease.
Description
Technical field
The invention belongs to the technical field of underground coal mine mining rubber-tired cart transporting equipment exhaust emissions, be specifically related to a kind of ore deposit
By rubber-tired cart efficient exhaust particulate cleaning system.
Background technology
The present invention is serious in order to mainly solve the discharge of existing underground coal mine mining rubber-tired cart engine exhaust carbon soot particles
Excessive problem；Use the particles used catcher of surface car, it is necessary to increase reproducible, but down-hole forbid use naked light and
Surface temperature is higher than 150 DEG C, therefore cannot install regenerative system, causes using conventional particles catcher to block serious, purification effect
Rate variance, this system can effectively solve the problem that particle trap blocking is low with purification efficiency, increases passive regeneration cycle, prolongation
The service life of grain catcher provides a kind of mining rubber-tired cart efficient exhaust particulate cleaning system.This system is used for mining rubber tire
Tail gas purifies, and uses the layering mode of going forward one by one to catch the soot particulate absorbed in tail gas, efficiently reduces soot emissions, simultaneously by
Cannot realize the automatic regeneration of particle trap in special subsurface environment, solve to extend the use, again of exhaust particulate purifier
The raw cycle；This system uses display and warning system to remind mining rubber-tired cart driver's regeneration purification apparatus；In order to prevent tail gas
Particle trap blocking affects the normal work of electromotor, devises safe venting device, at exhaust back pressure beyond design pressure
Time, automatically opening up safety device, partial tail gas is expelled directly out, and rubber-tired cart travels to safety zone, by exhaust particulate catcher
After dismounting, use combustion system to carry out regeneration and purify, reinstall to use after purification.
Summary of the invention
The present invention is to solve the mining rubber-tired cart of existing underground coal mine in running, exhaust particulate thing discharge performance is tight
Heavily exceeding standard, down-hole is in the most airtight space, causes down-hole miner the problem that the probability of pneumonopathy increases occur；Improve and purify effect
Rate, extends regeneration period and the life-span of particle trap, it is provided that a kind of mining rubber-tired cart exhaust particulate cleaning system；Realize absorption
After deposit will block catcher, driver is played display and alarm function.
The present invention takes techniques below scheme: a kind of mining rubber-tired cart exhaust particulate cleaning system, including exhaustor and row
Gas tail pipe, also includes that exhaust particulate purifier and display and warning system, described exhaust particulate purifier include aerofluxus
Safety device and the exhaust particulate catcher being arranged between exhaustor and tailpipe, described exhaust particulate catcher includes
The some grades of catchers being arranged in order in being arranged on housing, the catcher of every one-level all uses some by Fe-Cr-Al(CeO2) burn
System forms the metal foam sheet superposition composition that different pore size thickness is 3 5mm, the aperture of metal foam sheet in every one-level catcher
Successively decrease.The outer Fractions of Diesel Engine Exhaust Particulates catcher core body of Current Domestic is with cordierite honeycomb ceramic and Fe-Cr-Al, Ni-Cr-Al
Metal alloy foamed materials is main, and cordierite honeycomb ceramic is that its specific surface area of particle trap that core body makes is little, energy of adsorption
Power is stronger；And metal alloy foam uses foaming structure to add specific surface area, but it uses metal to be its suction of main component
Attached performance is more weak with ceramic phase.The present invention, uses with Fe, Cr, Al, CeO2It it is metal that is main, that fire according to a certain ratio
Foam piece, in the case of adding specific surface area, enhances the absorbability on surface, substantially increases catching of granule in tail gas
Catch ability.Being communicated with the circular hole of hollow inside exhaust particulate catcher, safe venting device is installed in exhaust particulate catcher
The afterbody of circular hole.
Described display and warning system include Pneumatic power diaphragm type controlling organization and the pressure indicator being connected with exhaustor,
Pneumatic power diaphragm type controlling organization is respectively with indicator, valve is stirred in cut-out and air accumulator is connected, and cut-out is stirred valve and is connected with buzzer.
Described Pneumatic power diaphragm type controlling organization includes pneumatic control valve and the pressurization control cylinder being connected with exhaustor, supercharging
The diaphragm spool of master cylinder is connected with the spool of pneumatic control valve, and pneumatic control valve is supplied by air accumulator, and pneumatic control valve is respectively
Stir valve with indicator and cut-out to be connected.
Described safe venting device includes caulking gum, sealed valve body, return spring and valve seat, and valve seat is installed in tail gas
The afterbody of circular hole in particle trap housing, valve seat is provided with sealed valve body, is provided with return spring between valve seat and sealed valve body,
Sealed valve body is provided with caulking gum.
Exhaust particulate catcher includes I grade of catcher, II grade of catcher, III grade of catcher and IV grade of catcher, I grade of seizure
Device is made up of the metal foam sheet that 20 30 thickness is 3mm, a diameter of 2,800 3000 μm of metal foam sheet filter opening；Catch for II grade
Catching device by 20 30 thickness is that 3mm metal foam sheet forms, a diameter of 2,000 2200 μm of metal foam sheet filter opening；Catch for III grade
Catching device by 20 30 thickness is that 3mm metal foam sheet forms, a diameter of 1,400 1600 μm of metal foam sheet filter opening；Catch for IV grade
Catching device by 20 30 thickness is that 3mm metal foam sheet forms, a diameter of 450 600 μm of metal foam sheet filter opening.
Display and warning system are connected seat by pipeline and connect with the stress test being arranged on exhaustor.
Exhaust particulate catcher mainly by lay catcher at different levels and provide install safe venting device passage housing, I
Level catcher, II grade of catcher, III grade of catcher, IV grade of catcher and adjust the compositions such as locking nut, I IV grades of catchers by
Filtering accuracy metal foam filtering material from small to large separately constitutes, and utilizes adjustment locking nut to be fastened on housing
In.Anti-explosion diesel engine exhaust airstream, when by exhaust particulate catcher, produces inertial collision with catchers at different levels respectively and receives
To the interception of catcher, larger particles is adsorbed in I grade of catcher, and medium grain is adsorbed in II grade of catcher, and in tail gas, granule depends on
Secondary by the catcher of different accuracy, reach the layering of exhaust particulate and go forward one by one seizure, it is achieved tail gas high-efficient purification；Use not simultaneously
The granule substep of co-located catches, it is achieved granule uniform adsorption, in all metal foam filtering materials, extends catcher
Regeneration period, so decrease utilize burner heat to metal foaming material regeneration times, extend its service life；Separately
Outward, the metal foaming material that catcher uses can according to different smoke intensity require to select different accuracy metal foaming material and its
Quantity is installed, it is ensured that mining rubber-tired cart reaches the smoke emission requirement of regulation.
Additionally exhaust particulate cleaning system adds safe venting device, the arrangement achieves flame proof rubber tyre vehicle and transports in down-hole
During row, occurring that exhaust particulate catcher uses the most continuously, too much deposit, adsorption particle will block seizure
Device, it is impossible to when scene carries out Regeneration Treatment, safe venting device automatically opens up, it is ensured that the smooth in exhaust of anti-explosion diesel engine, it is ensured that
Flame proof rubber tyre vehicle power performance, rubber-tired cart can run to home, and driver carries out Regeneration Treatment to catcher.
Described Pneumatic power diaphragm type controlling organization is integrated by pneumatic control valve and pressurization control cylinder, dynamic pressurization control cylinder diaphragm
Spool is moved to the left along with the increase of explosion-proof diesel engine exhaust pipe exhaust back pressure, spool, promotes pneumatic control valve core, makes accumulation of energy
Device and control indicator, buzzer pipeline connection, it is achieved warning function.
Described display and warning system, play in systems prompting, warning, for ensure mining rubber-tired cart properly functioning and
Reduce down-hole pollution and play vital effect.
Work process: anti-explosion diesel engine exhaust manifold is connected with exhaustor, fastening bolt, clamp nut, loosen packing ring will
Exhaust particulate catcher and exhaustor and tailpipe are connected to become one and seal passage, exhaust particulate catcher central authorities installation row
Gas safety device.Rubber-tired cart is in running, and anti-explosion diesel engine tail gas air-flow passes through exhaustor, such as Fig. 5,6 exhaust gas flow streams
In schematic diagram shown in " catcher work exhaust gas flow flows to schematic diagram ", air-flow axially flows along catcher, by I grade of seizure
Device absorption larger particles accounts for total amount 25% 35%, and II grade of catcher adsorption particle thing accounts for total amount 20%-30%, III grade of seizure
The granules such as device absorption smaller particle thing accounts for total amount 10%-15%, IV grade of catcher absorption finely ground particles, anti-explosion diesel engine soot
Thing smoke intensity after four times are filtered can reduce by 80% 90%；The exhaust particulate catcher long period use after, adsorption particle and
Deposited particles blocks the metal foaming material of catchers at different levels, causes explosion-proof diesel engine exhaust pipe pressure to raise, when back pressure exceedes
25 30KPa(can be according to its unlatching pressure of different anti-explosion diesel engine property regulation), tail gas promotes sealed valve body, compression and back
Position spring, opens side through hole in exhaust particulate catcher, and exhaust gas flow, along exhaust particulate catcher endoporus, passes through exhaust, safety
Device, directly arranges along tailpipe in extraneous that (airflow direction such as Fig. 5,6 exhaust gas flow flow to " catcher blocking mistake in schematic diagram
Effect exhaust gas flow flows to schematic diagram " shown in).Safe venting device ensures the smooth in exhaust of anti-explosion diesel engine, it is ensured that explosion-proof rubber tire
Car power performance, rubber-tired cart can run to home, and driver carries out Regeneration Treatment to catcher.
Exhaust particulate catcher uses for a long time, after exhaust back pressure is more than 35KPa, to anti-explosion diesel engine power performance and row
Put performance and can produce considerable influence, when therefore the blocking of exhaust particulate catcher causes back pressure to reach 25KPa, it is necessary to metal foam
Foam filtering material carries out purifying regeneration, for convenience with prompting driver's regenerative operation timely to exhaust particulate catcher, this
Bright arranging display and warning system, this system automatically opens up diaphragm seal valve by pressure at expulsion, it is ensured that aerofluxus smooth and easy, it is ensured that
Mining rubber-tired cart is the most properly functioning；Exhaust particulate catcher blocking simultaneously, exhaust back pressure increases, and pressure at expulsion promotes pneumatic membrane
Chip is adjustable gas control two position four-way valve, by the gases at high pressure in source of the gas air accumulator with indicator, buzzer, pressure indicator even
Logical, by indicator, pressure indicator, driver can observe that pressure at expulsion exceeds setting index and buzzer whistling arrow is reminded and driven
The person of sailing needs exhaust particulate catcher Regeneration Treatment, and after driver rubber-tired cart to correct position, dismounting exhaust particulate is caught
Catch device and carry out regeneration purification.
Compared with prior art, the present invention efficiently decreases the discharge quantity of particulate matter such as anti-explosion diesel engine soot, reduces well
The pollution in lower tunnel, simultaneously in order to prevent gas exhaust piping from blocking, the behavior in service affecting anti-explosion diesel engine increases display and alarm
System, reminds driver that purifier is carried out passive regeneration.
There is advantages that
1, exhaust particulate purifier of the present invention uses granule to be layered the mode caught of going forward one by one, and substantially increases mining rubber tire
The detergent power of car carbon soot particles, effectively reduces exhaust resistance；Use the structure of detachable filtering material on chip simultaneously, every
Filtering material energy individually external purification, it is ensured that the cleanliness factor after every purification, it is ensured that purify its detergent power long-time and do not wane
Subtract；Depurator uses the mode of multi-disc filtering material combination simultaneously, can be different to flame proof rubber tyre vehicle smoke emission according to client
Requirement, adjusts quantity and the filtration of material grade of filtering material, with meeting the market requirement, the one-tenth of reduction exhaust particulate purifier
This.
2, depurator uses Fe-Cr-Al(CeO2) metal foam sheet material, increase in the formula of existing metal foaming material
Add a certain amount of CeO2Chemical composition, it is significantly increased material specific surface area, it is achieved that under same volume, and absorbability increases
By force, improve depurator to the detergent power of carbon soot particles in explosion-proof rubber tire tail gas.
3, native system adds safe venting device, it is ensured that purifier blocks under state, does not affect mining rubber-tired cart and moves
Power performance；Guarantee that equipment can run to safety zone, the regeneration of exhaust particulate purifier is purified.
4, this device adds display and warning system detects this equipment safety performance, blocks at purifier, and aerofluxus is carried on the back
In the case of pressure increases, have triple display respectively Pressure gauge numerical value to show, indicator can intuitively show and buzzer whistling arrow carries
Wake up.
5, present configuration is reasonable, and control system is perfect, and versatility is good, is applicable to diesel engine as anti-explosion diesel engine
All rubber-tired carts and special vehicle.
Accompanying drawing explanation
Fig. 1 is the systemic-function schematic diagram of the present invention；
Fig. 2 is exhaust particulate purifier schematic diagram of the present invention；
Fig. 3 is safe venting device structural representation；
Fig. 4 is display and warning system schematic diagram；
Fig. 5 is that exhaust gas flow flows to schematic diagram I；
Fig. 6 is that exhaust gas flow flows to schematic diagram II；
In figure: A exhaust particulate catcher, 1-stress test connects seat, 2-exhaustor, 3-housing, 4-I grade seizure
Device, II grade of catcher of 5-, 6 III grades of catchers, 7 IV grades of catchers, 8 safe venting devices, 9 adjust locking nut,
10 tailpipes, 11 caulking gums, 12 sealed valve bodies, 13 return springs, 14 valve seats, 15 fastening bolts,
16 clamp nuts, 17 loosen packing ring, 18-indicator, 19-buzzer, and 20-cuts off and stirs valve, and 21-pressure indicates
Table, 22-Pneumatic power diaphragm type controlling organization, 22.1-pneumatic control valve, 22.2-pressurization control cylinder, 23-air accumulator.
Detailed description of the invention
As shown in Figure 1, 2, a kind of mining rubber-tired cart exhaust particulate cleaning system, including exhaustor 2 and tailpipe 10, also
Including exhaust particulate purifier and display and warning system, described exhaust particulate purifier includes safe venting device 8
With the exhaust particulate catcher A being arranged between exhaustor 2 and tailpipe 10, described exhaust particulate catcher A include setting
Putting the some grades of catchers being arranged in order in housing 3, the catcher of every one-level all uses some being fired by Fe-Cr-Al to form
Different pore size thickness is the metal foam sheet superposition composition of 3 5mm, the decreasing pore size of metal foam sheet in every one-level catcher,
Being communicated with the circular hole of hollow inside exhaust particulate catcher A, safe venting device 8 is installed on circular hole in exhaust particulate catcher A
Afterbody.
As shown in Figure 4, described display and warning system include the Pneumatic power diaphragm type controlling organization 22 being connected with exhaustor 2
With pressure indicator 21, Pneumatic power diaphragm type controlling organization 22 respectively with indicator 18, valve 20 is stirred in cut-out and air accumulator 23 is connected,
Cut-out is stirred valve 20 and is connected with buzzer 19.
Described Pneumatic power diaphragm type controlling organization 22 includes pneumatic control valve 22.1 and the pressurization control being connected with exhaustor 2
Cylinder 22.2, the diaphragm spool of pressurization control cylinder 22.2 is connected with the spool of pneumatic control valve 22.1, and pneumatic control valve 22.1 is by storing up
Gas tank 23 supplies, and pneumatic control valve 22.1 is stirred valve 20 with indicator 18 and cut-out respectively and is connected.
As it is shown on figure 3, described safe venting device 8 includes caulking gum 11, sealed valve body 12, return spring 13 and valve
Seat 14, valve seat 14 installs the afterbody of circular hole in exhaust particulate catcher A housing, and valve seat 14 is provided with sealed valve body 12, valve seat
Being provided with return spring 13 between 14 and sealed valve body 12, sealed valve body 12 is provided with caulking gum 11.
Exhaust particulate catcher A includes I grade of catcher, 5, III grade of catcher 6 of 4, II grade of catcher and IV grade of catcher 7, I
Level catcher 4 is made up of the metal foam sheet that 20 30 thickness is 3mm, a diameter of 2,800 3000 μ of metal foam sheet filter opening
m；II grade of catcher 5 is that 3mm metal foam sheet forms by 20 30 thickness, metal foam sheet filter opening a diameter of 2,000 2200
μm；III grade of catcher 6 is that 3mm metal foam sheet forms by 20 30 thickness, metal foam sheet filter opening a diameter of 1400
1600μm；IV grade of catcher 7 is that 3mm metal foam sheet forms by 20 30 thickness, metal foam sheet filter opening a diameter of 450
600μm。
Display and warning system are connected seat 1 by pipeline with the stress test being arranged on exhaustor 2 and connect.
Described exhaust particulate catcher is mainly by laying catcher at different levels and providing installation safe venting device 8 passage
Housing 3, I grade of catcher 4, II grade of catcher 5, III grade of catcher 6, IV grade of catcher 7 and adjustment composition such as locking nut 9 grade, I
IV grade of catcher is separately constituted by filtering accuracy metal foam filtering material from small to large, utilizes and adjusts locking nut 9 by it
It is fastened in housing 3.Anti-explosion diesel engine exhaust airstream is when by exhaust particulate catcher A, respectively with catchers at different levels
Producing inertial collision and receive the interception of catcher, larger particles is adsorbed in I grade of catcher 4, and medium grain is adsorbed in II grade and catches
Catching device 5, in tail gas, granule is successively by the catcher of different accuracy, reaches the layering of exhaust particulate and goes forward one by one seizure, it is achieved tail gas
High-efficient purification；The granule substep simultaneously using diverse location catches, it is achieved granule uniform adsorption is in metal foam filtering material, fall
The smoke emission of low mining rubber-tired cart.
Present invention achieves flame proof rubber tyre vehicle in the running of down-hole, occur that exhaust particulate catcher makes the most continuously
With, too much deposit, adsorption particle will block catcher, it is impossible to when scene carries out Regeneration Treatment, exhaust back pressure reaches
25 30KPa, promote caulking gum 11 and sealed valve body 12, and compression retracteding position spring 13 is by anti-explosion diesel engine tail gas in exhaustor 2
Flow directly into tailpipe 10 and enter air, it is ensured that the smooth in exhaust of anti-explosion diesel engine, it is ensured that flame proof rubber tyre vehicle power performance, glue
Wheel car can run to home, and driver carries out Regeneration Treatment to catcher.
Claims (3)
1. a mining rubber-tired cart exhaust particulate cleaning system, including exhaustor (2) and tailpipe (10), it is characterised in that:
Also include that exhaust particulate purifier and display and warning system, described exhaust particulate purifier include safe venting device
(8) and the exhaust particulate catcher (A) that is arranged between exhaustor (2) and tailpipe (10),
The some grades of catchers that described exhaust particulate catcher (A) is arranged in order in including being arranged on housing (3), every one-level
Catcher all uses some being fired by Fe-Cr-Al to form the metal foam sheet superposition that different pore size thickness is 3 5mm and form, often
The decreasing pore size of metal foam sheet in one-level catcher, the internal circular hole being communicated with hollow of exhaust particulate catcher (A), aerofluxus is pacified
Full device (8) is installed on the afterbody of exhaust particulate catcher (A) interior circular hole；
Described display and warning system include Pneumatic power diaphragm type controlling organization (22) and the pressure instruction being connected with exhaustor (2)
Table (21), Pneumatic power diaphragm type controlling organization (22) respectively with indicator (18), valve (20) is stirred in cut-out and air accumulator (23) is connected,
Cut-out is stirred valve (20) and is connected with buzzer (19)；
Described Pneumatic power diaphragm type controlling organization (22) includes pneumatic control valve (22.1) and the supercharging control being connected with exhaustor (2)
Cylinder processed (22.2), the diaphragm spool of pressurization control cylinder (22.2) is connected with the spool of pneumatic control valve (22.1), pneumatic control valve
(22.1) being supplied by air accumulator (23), pneumatic control valve (22.1) is stirred valve (20) with indicator (18) and cut-out respectively and is connected；
Described safe venting device (8) includes caulking gum (11), sealed valve body (12), return spring (13) and valve seat
(14), valve seat (14) installs the afterbody of circular hole in exhaust particulate catcher (A) housing, and valve seat (14) is provided with sealed valve body
(12), being provided with return spring (13) between valve seat (14) and sealed valve body (12), sealed valve body (12) is provided with caulking gum
(11).
Mining rubber-tired cart exhaust particulate cleaning system the most according to claim 1, it is characterised in that: exhaust particulate catcher
(A) include I grade of catcher (4), II grade of catcher (5), III grade of catcher (6) and IV grade of catcher (7), I grade of catcher (4) by
20 30 thickness are the metal foam sheet composition of 3mm, a diameter of 2,800 3000 μm of metal foam sheet filter opening；II grade of catcher
(5) it is that 3mm metal foam sheet forms by 20 30 thickness, a diameter of 2,000 2200 μm of metal foam sheet filter opening；Catch for III grade
Catching device (6) by 20 30 thickness is that 3mm metal foam sheet forms, a diameter of 1,400 1600 μm of metal foam sheet filter opening；Ⅳ
Level catcher (7) is that 3mm metal foam sheet forms by 20 30 thickness, a diameter of 450 600 μm of metal foam sheet filter opening.
Mining rubber-tired cart exhaust particulate cleaning system the most according to claim 2, it is characterised in that: display and warning system
It is connected seat (1) by pipeline with the stress test being arranged on exhaustor (2) to connect.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704341.7A CN104594981B (en) | 2014-11-29 | 2014-11-29 | Efficient tail gas particle purification system of mining rubber-tyred vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704341.7A CN104594981B (en) | 2014-11-29 | 2014-11-29 | Efficient tail gas particle purification system of mining rubber-tyred vehicle |
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| CN104594981A CN104594981A (en) | 2015-05-06 |
| CN104594981B true CN104594981B (en) | 2017-01-11 |
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| CN107237661B (en) * | 2017-07-31 | 2023-06-06 | 无锡双翼汽车环保科技有限公司 | Mining explosion-proof diesel engine soot filter |
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| CN110617123A (en) * | 2019-10-10 | 2019-12-27 | 徐州瑞田工程机械有限公司 | Diesel engine tail gas particulate matter trapping apparatus |
| CN111120048B (en) * | 2019-11-27 | 2021-08-17 | 西安戴森电子技术有限公司 | Graphene diesel engine tail gas purification device |
| CN113848080B (en) * | 2021-09-28 | 2023-07-18 | 山东科技大学 | Simulation experiment system and method for tail gas pollutant diffusion and distribution of trackless rubber-tyred vehicle |
| CN115030799B (en) * | 2022-07-07 | 2024-05-17 | 中国煤炭科工集团太原研究院有限公司 | Intelligent efficient composite regeneration particle trapping device in mining low-exhaust-temperature environment |
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| CN104594981A (en) | 2015-05-06 |
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