CN203903524U - Solid powder truck loading dust collection and water filter dust removal system - Google Patents
Solid powder truck loading dust collection and water filter dust removal system Download PDFInfo
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- CN203903524U CN203903524U CN201420308826.XU CN201420308826U CN203903524U CN 203903524 U CN203903524 U CN 203903524U CN 201420308826 U CN201420308826 U CN 201420308826U CN 203903524 U CN203903524 U CN 203903524U
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- dust
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Abstract
A solid powder truck loading dust collection and water filter dust removal system comprises a dust collection system and a water filter dust remover which are connected with each other. The dust collection system comprises a plurality of material bins erected on the upper portion and a platform supporting the lower portion. Feed openings and valves are arranged at the bottoms of the material bins, a first dust collection connector and the corresponding valve are arranged close to the feed opening of each material bin, and the first dust collection connectors and the valves are connected with a first dust collection pipeline. A guide rail is fixed to the upper portion of the platform, and the lower portion of the platform is connected with a compartment dust collection cover through a plurality of discharge openings and the valves. A walking material receiving trolley is arranged on the guide rail, the height of the walking material receiving trolley can be controlled through ascending and descending, a material receiving opening and a second dust collection connector are formed in the top of the walking material receiving trolley, discharging openings and the valves are arranged on the lower portion of the walking material receiving trolley, and the compartment dust collection cover is connected with the first dust collection pipeline through third dust collection connectors and the valves. Compared with the prior art, the system is reasonable in design, convenient to operate, low in cost, safe and stable, truck loading operation efficiency can be greatly improved, the work intensity of workers is lowered, dust pollution can be greatly reduced, and the body health of the workers is guaranteed.
Description
Technical field
The invention belongs to the environmental protection equipment field for cleaner production, specifically a kind of pressed powder entrucking is gathered dust and water filtering dust collecting system.
Background technology
In a lot of manufacturing enterprises, the raw material of producing, intermediate, the powder solid such as product or accessory substance is all in feed bin, when carrying out blowing entrucking, owing to lacking effective dust arrester installation, the a large amount of dust collection and treatment in time producing, cause operation field environment very poor, affect the healthy of workman, and existing loading system operating efficiency is low, workman's labor content is larger, Some Enterprises adopts blower fan and bag-type dust, enter the dust in cloth bag, the dust that wherein diameter is less than cloth bag aperture is broken through cloth bag and is entered atmospheric contamination environment, the dust that diameter is greater than cloth bag aperture is adsorbed on the breather hole that cloth bag wall stops up cloth bag, affect blower fan and set up actv. suction pressure reduction, thereby have a strong impact on the suction dust removing effects of bag-type dust machine.
Utility model content
For above-mentioned defect, the invention provides a kind of reasonable in design, entrucking efficiency is high and dust collection effect is good pressed powder entrucking is gathered dust and water filtering dust collecting system.
The technical solution used in the present invention is: comprise interconnected dust collecting system and water filtering dust collecting machine, dust collecting system comprises a plurality of feed bins that set up on top, the platform of lower support; The bottom of described feed bin is provided with feed opening and valve, is provided with the first gather dust interface and valve, and is all connected with the first dust collection pipe near each bin blanking mouth; The top fixed guide of described platform, bottom connect compartment dust collection cover by a plurality of discharge ports and valve; Described guide rail is provided with the dolly that connects material of walking, the connect material height of dolly of described walking can pass through elevating control, the connect material top of dolly of described walking is provided with gather dust interface, bottom of material receiving port and second and is provided with drain hole and valve, when the walking dolly that connects material moves to the bottom of feed bin, it starts to control when rising to material receiving port and docking with feed opening, and now the first gather dust interface and the second dirt interface also docks simultaneously; Described compartment dust collection cover comprises the fixed cover on top and the mobile lifting cover of bottom, the side of described fixed cover is respectively equipped with a plurality of the 3rd gather dust interface and valve, and be all connected with the second dust collection pipe, the bottom of described mobile lifting cover is provided with bandage a plurality of and that compartment is fixing; The first described dust collection pipe, the second dust collection pipe are all with main dust collection pipe and connect, and main dust collection pipe is provided with dust collecting fan; Described main dust collection pipe is connected with water filtering dust collecting machine, described water filtering dust collecting machine comprise filter pocket body with and the inner filtrate supporting plate being interval with from top to bottom and water filter dividing plate, and be equipped with hole on described filtrate supporting plate and water filter dividing plate, filter pocket body sidewall between described filtrate supporting plate and water filter dividing plate connects air inlet pipe, and air inlet pipe stretches into filter pocket chamber body and is passed down through water filter dividing plate, make the air extractor duct of air inlet pipe filter dividing plate lower than water, the bottom of described filter pocket body is provided with sewage draining exit and dirt-discherging pipe manifold; The air inlet pipe of described water filtering dust collecting machine is connected with the air outlet of described dedusting fan; The described walking dolly that connects material comprises the trunk portion on top and the centrum portion of bottom, wherein trunk portion is upper and lower two parts by the part that flexibly connects at middle part, its middle and lower part is circumferentially with a plurality of cylinders, the piston rod of cylinder is connected with top, the top on described top is provided with material receiving port and second interface that gathers dust, described material receiving port comprise support spring with and the body that is flexible coupling of outer wrap; Described centrum subordinate fixed supporting leg and roller.By flexibly connecting portion as being flexible coupling, the space that cylinder lifting is provided with guarantee material receiving port and gather dust mouthful rise after with the docking of feed bin, the design of material receiving port is damage equipment in order to prevent the hard collision of material receiving port and feed opening.
Further optimize the technical program, the lower end bifurcated of described discharge port is a plurality of branches.
Further optimize the technical program, the described walking dolly that connects material is realized lifting by cylinder, and described mobile lifting cover is realized lifting by winch.
Further optimize the technical program, described walking connects material, and dolly is walked by variable frequency control and car bottom is provided with weight sensor, on described guide rail, two ends are provided with limit switch, middle part the is respectively equipped with locating point corresponding with bin blanking mouth, platform discharge port.
Further optimize the technical program, described bin blanking mouth valve, drain hole valve are electronic pulling tray valve, and described discharge port valve is electric brake plate valve, and the described first gather dust interface, the 3rd valve gathering dust on interface is electric butterfly valve.
Compared with prior art, reasonable in design, easy to operate, the with low cost and safety and stability of the utility model, it can improve the efficiency of car loading operation greatly, reduces workman's working strength, and has greatly reduced dust pollution, has ensured that workman's is healthy.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the connect material structural representation of dolly of walking;
Fig. 3 is the structural representation of water filtering dust collecting machine;
In figure, 1, feed bin, 2, feed opening, 3, valve, 4, the walking dolly that connects material, 5, material receiving port, 6, second interface that gathers dust, 7, platform, 8, first interface that gathers dust, 9, discharge port, 10, guide rail, 11, main dust collection pipe, 12, fixed cover, 13, the 3rd interface that gathers dust, 14, mobile lifting cover, 15, bandage, 16, compartment, 17, dust collecting fan, 18, the first dust collection pipe, 19, the second dust collection pipe, 20, drain hole, 21, trunk portion, 22, centrum portion, 23, supporting leg, 24, roller, 25, cylinder, 26, flexibly connect portion, 27, the body that is flexible coupling, 28, support spring, 4.1, filtrate supporting plate, 4.2, filter pocket body, 4.3, dividing plate A, 4.4, air inlet pipe, 4.5, flange, 4.6, fan interface, 4.7, water filter dividing plate, 4.8, dirt-discherging pipe manifold, 4.9, foul valve, 4.10, sewage draining exit, 4.11, dividing plate B, 4.12, liquidometer upper reaches, 4.13, liquidometer upper reaches valve, 4.14, liquidometer, 4.15, liquidometer drop valve, 4.16, liquidometer is dirty.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Embodiment 1
Pressed powder entrucking is gathered dust and a water filtering dust collecting system, comprises interconnected dust collecting system and water filtering dust collecting machine, and dust collecting system comprises a plurality of feed bins 1 that set up on top, the platform 7 of lower support, the bottom of feed bin 1 is provided with feed opening 2 and valve 3, is provided with the first gather dust interface 8 and valve, and is all connected with the first dust collection pipe 18 near each bin blanking mouth 2, the top fixed guide 10 of platform 7, bottom connect compartment dust collection cover by a plurality of discharge ports 9 and valve, and the lower end bifurcated of discharge port 9 is a plurality of branches, on guide rail 10, two ends are provided with limit switch, middle part is respectively equipped with and feed bin 1 feed opening 2, the corresponding locating point of platform 7 discharge port 9, guide rail 10 is provided with the dolly 4 that connects material of walking, walking connects material the height of dolly 4 can be by elevating control (realizing lifting by cylinder), walking connects material, and dolly 4 is walked by variable frequency control and car bottom is provided with weight sensor, the connect material top of dolly 4 of walking is provided with material receiving port 5 and second interface 6 that gathers dust, bottom is provided with drain hole 20 and valve, when the walking dolly 4 that connects material moves to the bottom of feed bin 1, it starts to control when rising to material receiving port 5 and docking with feed opening 2, now first gather dust interface 8 and second gather dust interface 6 also simultaneously docking, compartment dust collection cover comprises that the fixed cover 12 on top and the mobile lifting cover 14(of bottom realize lifting by winch), the side of fixed cover 12 is respectively equipped with a plurality of the 3rd gather dust interface 13 and valve, and be all connected with the second dust collection pipe 19, the bottom of mobile lifting cover 14 is provided with bandage 15 a plurality of and that compartment is fixing, the first dust collection pipe 18, the second dust collection pipe 19 be all with main dust collection pipe 11 and connect, and be provided with dust collecting fan 17.
In order to improve automation mechanized operation level, bin blanking mouth 2 valves, drain hole 20 valves are electronic pulling tray valve, and described discharge port 8 valves are electric brake plate valve, and first gather dust on interface 13 the valve of interface 8, the 3rd that gathers dust is electric butterfly valve.
Water filtering dust collecting owner will be comprised of filtrate supporting plate 4.1, filter pocket body 4.2, dividing plate A4.3, air inlet pipe 4.4, water filter dividing plate 4.7, blowdown header 4.8, dividing plate B4.11, liquidometer 4.14 etc.Filtrate supporting plate 4.1 is fixed on the top of filter pocket body 4.2; Dividing plate A4.3 and dividing plate B4.11 are symmetric and are separately fixed at the bottom of filtrate supporting plate 4.1 and the top of air inlet pipe 4.4, and the area of dividing plate A4.3 and dividing plate B4.11 is more than or equal to semicircle; The inside that the waist of the one end of air inlet pipe 4.4 that is welded with flange 4.5 by filter pocket body 4.2 enters filter pocket body 4.2 is by elbow through-fall filter dividing plate 4.7; Water with holes filter dividing plate 4.7 is fixed under air inlet pipe 4.4, on the filter pocket body 4.2 on dirt-discherging pipe manifold 4.8; Be connected with the bottom that sewage draining exit 4.10 dirt-discherging pipe manifold that Open Side Down 4.8 is positioned at filter pocket body 4.2, one end passes with foul valve 4.9 and is connected from filter pocket body 4.2 walls; Liquidometer 4.14 upper and lower is connected with respectively that liquid level meter upper reaches 4.12, liquid level meter upper reaches valve 4.13 and liquid level meter are dirty 4.16, liquid level meter drop valve 4.15, liquidometer 4.14 by liquid level meter upper reaches 4.12 and liquid level meter dirty 4.16, penetrate filter pocket body 4.2 respectively up and down, control the water surface degree of depth of filter pocket body 4.2 inside.
The water level of filter pocket body 4.2 adds to the open height that goes out higher than air inlet pipe 4.4.Dedusting fan 17 and pipeline are connected by flange 4.5 with filter pocket body 4.2.When dust is delivered to air inlet pipe 4.4 and is entered underwater by blower fan, dust laden air by water by water filter aperture on dividing plate 4.7 be lifted to water filter dividing plate 4.7 above, dust laden air is dispersed into minute bubble in this process, flow velocity strengthens, water is filtered to dividing plate 4.7 water atomization above, and the hydrogen bond positive electrode of atomized water and electronegative dispersion dust form crystalline deposit in the bottom of filter pocket body 4.2.Outside dividing plate A4.3, dividing plate B4.11 restriction atomized water ejection filter pocket.If process load is large, can add the symmetrical homalographic dividing plate of one-level on dividing plate B4.11 again.According to the air quality of giving vent to anger, if the air quality of outlet is not up to standard, can on filtrate supporting plate 4.1, add one deck filtrate.The mud that sinks to filter pocket bottom drains into filter pocket outside through sewage draining exit 4.10, dirt-discherging pipe manifold 4.8, foul valve 4.9 under the effect of hydrostatic fluid column pressure.Liquidometer 4.14 is dirty 4.16 by liquid level meter upper reaches 4.12, liquid level meter upper reaches valve 4.13, liquid level meter, liquid level meter drop valve 4.15 forms and is communicated with filter pocket body 4.2, and the interior water surface degree of depth of reflection filter pocket, if the water surface is lower than guarding against liquid level amount of makeup water.
The walking dolly 4 that connects material is done following design: comprise the trunk portion 21 on top and the centrum portion 22 of bottom, wherein trunk portion 21 is divided into upper and lower two parts by the portion that flexibly connects 26 at middle part, its middle and lower part is circumferentially with a plurality of cylinders 25, the piston rod of cylinder 25 is connected with top, the top on described top is provided with material receiving port 5 and second interface 6 that gathers dust, material receiving port 5 comprise support spring 28 with and the body 27 that is flexible coupling of outer wrap; 22 times fixed supporting legs 23 of centrum portion and roller 24.
Principle of work and process that the present invention is concrete are as follows:
1. on guide rail, design 11 locating points, comprising: three locating points that connect material, six emptying points, two, two protection point, prevents that dolly from exceeding the bounds.For accurate location, because dolly is different at empty wagons and when filling with substance inertia, dolly adopts variable frequency control, while approaching target location, reduces speed now, and slow advancing, detects position switch and just can stop like this, prevents sideslip.
2. soft company is designed in dolly upper end, with cylinder, controls, and when dolly connects material, when the material receiving port of dolly and the feed opening of feed bin are during to good position, cylinder starts, and by soft, connect jack-up and is connected with feed opening.Now open electric brake family of power and influence blanking, wait blanking to complete, cylinder is closed, and soft company regains, and starts dolly and moves ahead.Soft like this company is connected closely with small powder mouth, guarantees not outer raising of airborne dust, guarantees dust collection effect.Three bin blanking mouth sides, the interface that gathers dust is installed respectively, and is connected with dust collection pipe by electric butterfly valve, when connecting material, the interface that gathers dust on dolly docks with the interface that gathers dust of feed opening side, then opens electric butterfly valve and gathers dust, and has connected material, after dolly is walked, just close butterfly valve! Airborne dust Fundamental Solutions while connecting material like this certainly.
3. each discharge port is installed an electric brake plate valve, opens electric brake plate valve in the time of blanking, after blanking completes, closes, and prevents that airborne dust is raised out from this mouthful when other discharge port discharging.Discharge port lower end bifurcated, increases charging area.Each discharge port is responsible for the entrucking space of 2.1 meters of front and back substantially, and during 13 meters of vehicles, six charging doors are all feeded, and during 11 meters of vehicle entruckings, last mouthful do not feeded.
4. discharge port is write and is not connected a large compartment dust collection cover (specification 2600*13600), and dust collection cover is divided into upper and lower two parts, and upper part is fixed, lower part winch lifting, according to height of wagon, control adjustable height, rubber bar and compartment binding for lifting dust collection cover lower end.During entrucking, car is first in place, then puts down dust collection cover, and compartment is covered in dust collection cover entirely.Then start entrucking, entrucking completes, time delay etc. after airborne dust all puts away, makes electric bell prompting car and walks.
5. a plurality of interfaces that gather dust of dust collection cover side opening, concentrate near discharge port, open the butterfly valve that gathers dust in the time of entrucking, make whole compartment in negative pressure, and dust collection pipe is connected to former main dust collection pipe by controlling butterfly valve, guarantees the air quantity maximum of gathering dust of discharge port.
6. adopt dolly charging, owing to connecting material, need to connect material from three points, first improve the speed of travel of dolly, the speed of travel is accelerated to increase carriage walking inertia, so must adopt variable frequency control carriage walking speed, pre-decelerating, can accurately stop location during to stop bit.Second will improve each loading of freight waggon, guarantees that each twice, wagon spout cart, an entrucking of dolly complete.The 3rd adopts operational research, charging nearby, discharging entrucking nearby, travel distance while reducing entrucking.
This device, according to different automobile types building database, is selected different charging methods.System designs by the car of 13 meters long, six charging doors, and each charging door entrucking length is two meter of two left and right.If the car of 11 meters adopts five blanking ports, parking stall is constant.If wagon box height is different, the lengthening of lifting dust collection cover, what assurance compartment was low can cover whole compartment.
During entrucking, first put down dust collection cover and put in place, the dolly that connects material connects material (by weight sensor load-bearing) by setting weight to three blanking points successively, after having connected material, to corresponding discharge port discharging.
The erection weight of each discharge port is set, and is convenient to control entrucking weight, guarantees that an entrucking of a mouth completes, maximum twice.Dolly, by 7.5 side's designs, is feeded at 7 tons at every turn.According to system after vehicle setting weight, automatically turn and calculate entrucking number of times.Connect material and when discharging, the negative pressure forming by gather dust accordingly interface and dust-collecting pipe line is respectively gathered dust, and reaches the object that reduces dust pollution.
The above is the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; likely local structure are made to some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (5)
1. pressed powder entrucking is gathered dust and a water filtering dust collecting system, it is characterized in that, comprises interconnected dust collecting system and water filtering dust collecting machine, and dust collecting system comprises a plurality of feed bins (1) that set up on top, the platform (7) of lower support, the bottom of described feed bin (1) is provided with feed opening (2) and valve (3), is provided with the first gather dust interface (8) and valve, and is all connected with the first dust collection pipe (18) near each bin blanking mouth (2), the top fixed guide (10) of described platform (7), bottom connect compartment dust collection cover by a plurality of discharge ports (9) and valve, described guide rail (10) is provided with the dolly (4) that connects material of walking, the connect material height of dolly (4) of described walking can pass through elevating control, the connect material top of dolly (4) of described walking is provided with gather dust interface (6), bottom of material receiving port (5) and second and is provided with drain hole (20) and valve, when the walking dolly (4) that connects material moves to the bottom of feed bin (1), it starts to control when rising to material receiving port (5) and docking with feed opening (2), and now the first gather dust interface (8) and the second dirt interface (6) also docks simultaneously, described compartment dust collection cover comprises the fixed cover (12) on top and the mobile lifting cover (14) of bottom, the side of described fixed cover (12) is respectively equipped with a plurality of the 3rd gather dust interface (13) and valve, and be all connected with the second dust collection pipe (19), the bottom of described mobile lifting cover (14) is provided with bandage (15) a plurality of and that compartment is fixing, described the first dust collection pipe (18), the second dust collection pipe (19) are all with main dust collection pipe (11) and connect, and main dust collection pipe (11) is provided with dust collecting fan (17), described main dust collection pipe (11) is connected with water filtering dust collecting machine, described water filtering dust collecting machine comprise filter pocket body (4.2) with and the inner filtrate supporting plate (4.1) being interval with from top to bottom and water filter dividing plate (4.7), and be equipped with hole on described filtrate supporting plate (4.1) and water filter dividing plate (4.7), filter pocket body sidewall between described filtrate supporting plate (4.1) and water filter dividing plate (4.7) connects air inlet pipe (4.4), and air inlet pipe (4.4) stretches into filter pocket body (4.1) inner chamber and is passed down through water filter dividing plate (4.7), make the air extractor duct of air inlet pipe (4.4) filter dividing plate (4.7) lower than water, the bottom of described filter pocket body (4.1) is provided with sewage draining exit (4.10) and dirt-discherging pipe manifold (4.8), the air inlet pipe of described water filtering dust collecting machine is connected with the air outlet of described dedusting fan (17), the described walking dolly (4) that connects material comprises the trunk portion (21) on top and the centrum portion (22) of bottom, wherein trunk portion (21) is divided into upper and lower two parts by the portion that flexibly connects (26) at middle part, its middle and lower part is circumferentially with a plurality of cylinders (25), the piston rod of cylinder (25) is connected with top, the top on described top is provided with material receiving port (5) and second interface (6) that gathers dust, described material receiving port (5) comprise support spring (28) with and the body that is flexible coupling (27) of outer wrap, the lower fixed supporting leg (23) of described centrum portion (22) and roller (24).
2. pressed powder entrucking according to claim 1 is gathered dust and water filtering dust collecting system, it is characterized in that, the lower end bifurcated of described discharge port (9) is a plurality of branches.
3. pressed powder entrucking according to claim 1 is gathered dust and water filtering dust collecting system, it is characterized in that, the described walking dolly (4) that connects material is realized lifting by cylinder, and described mobile lifting cover (14) is realized lifting by winch.
4. pressed powder entrucking according to claim 1 is gathered dust and water filtering dust collecting system, it is characterized in that, described walking connects material that dolly (4) is walked by variable frequency control and car bottom is provided with weight sensor, the upper two ends of described guide rail (10) are provided with limit switch, middle part the is respectively equipped with locating point corresponding with feed bin (1) feed opening (2), platform (7) discharge port (8).
5. pressed powder entrucking according to claim 1 is gathered dust and water filtering dust collecting system, it is characterized in that, described bin blanking mouth (2) valve, drain hole (20) valve are electronic pulling tray valve, described discharge port (8) valve is electric brake plate valve, and described first interface (8), the 3rd valve of (13) on interface that gathers dust that gathers dust is electric butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308826.XU CN203903524U (en) | 2014-06-11 | 2014-06-11 | Solid powder truck loading dust collection and water filter dust removal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420308826.XU CN203903524U (en) | 2014-06-11 | 2014-06-11 | Solid powder truck loading dust collection and water filter dust removal system |
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| Publication Number | Publication Date |
|---|---|
| CN203903524U true CN203903524U (en) | 2014-10-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420308826.XU Expired - Fee Related CN203903524U (en) | 2014-06-11 | 2014-06-11 | Solid powder truck loading dust collection and water filter dust removal system |
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| CN (1) | CN203903524U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891217A (en) * | 2015-05-30 | 2015-09-09 | 济南海川投资集团有限公司 | Dust remover for travelling material spreading |
| CN107934594A (en) * | 2018-01-08 | 2018-04-20 | 南通奥普机械工程有限公司 | A kind of compact long stroke moves granular material equipment in bulk |
| CN108438958A (en) * | 2018-03-28 | 2018-08-24 | 北京首钢国际工程技术有限公司 | A kind of humidifier and its method for lump material |
| CN108657840A (en) * | 2018-07-05 | 2018-10-16 | 福建南方路面机械有限公司 | A kind of truck auto feeding device and its loading method |
| CN113086677A (en) * | 2021-04-29 | 2021-07-09 | 中国神华能源股份有限公司哈尔乌素露天煤矿 | Material bin blanking device and carriage charging method |
-
2014
- 2014-06-11 CN CN201420308826.XU patent/CN203903524U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104891217A (en) * | 2015-05-30 | 2015-09-09 | 济南海川投资集团有限公司 | Dust remover for travelling material spreading |
| CN104891217B (en) * | 2015-05-30 | 2016-11-30 | 济南海川投资集团有限公司 | A kind of using method of cloth dust arrester of driving a vehicle |
| CN107934594A (en) * | 2018-01-08 | 2018-04-20 | 南通奥普机械工程有限公司 | A kind of compact long stroke moves granular material equipment in bulk |
| CN108438958A (en) * | 2018-03-28 | 2018-08-24 | 北京首钢国际工程技术有限公司 | A kind of humidifier and its method for lump material |
| CN108438958B (en) * | 2018-03-28 | 2023-09-01 | 北京首钢国际工程技术有限公司 | Humidifying device and method for blocky materials |
| CN108657840A (en) * | 2018-07-05 | 2018-10-16 | 福建南方路面机械有限公司 | A kind of truck auto feeding device and its loading method |
| CN113086677A (en) * | 2021-04-29 | 2021-07-09 | 中国神华能源股份有限公司哈尔乌素露天煤矿 | Material bin blanking device and carriage charging method |
| CN113086677B (en) * | 2021-04-29 | 2023-07-25 | 中国神华能源股份有限公司哈尔乌素露天煤矿 | Material bin blanking device and carriage charging method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141029 Termination date: 20180611 |