CN109911631B - Underground coal mine material conveying transfer device - Google Patents
Underground coal mine material conveying transfer device Download PDFInfo
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- CN109911631B CN109911631B CN201910297814.9A CN201910297814A CN109911631B CN 109911631 B CN109911631 B CN 109911631B CN 201910297814 A CN201910297814 A CN 201910297814A CN 109911631 B CN109911631 B CN 109911631B
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- exhaust pipe
- valve
- exhaust
- pressure tank
- auxiliary
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- 239000000463 material Substances 0.000 title claims abstract description 27
- 238000012546 transfer Methods 0.000 title claims abstract description 26
- 239000003245 coal Substances 0.000 title claims abstract description 20
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000005299 abrasion Methods 0.000 description 4
- 239000000843 powder Substances 0.000 description 4
- 235000007129 Cuminum cyminum Nutrition 0.000 description 3
- 241000510672 Cuminum Species 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000304337 Cuminum cyminum Species 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000011363 dried mixture Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008093 supporting effect Effects 0.000 description 1
Abstract
The application relates to a coal mine underground material conveying transfer device, which comprises: the automatic feeding device comprises a first exhaust valve, a second exhaust valve, a main exhaust pipe, a first pressure tank, a second pressure tank, an exhaust device, a transmission device, a storage bin, a transfer box, a material sending box, a material feeding pipe, an auxiliary exhaust pipe and an electromagnetic valve, wherein the top ends of the first pressure tank and the second pressure tank are respectively connected with one end of the main exhaust pipe through the first exhaust valve and the second exhaust valve, the other end of the main exhaust pipe is introduced into the exhaust device arranged at the top of the storage bin, the first exhaust valve is a three-way valve which is respectively connected with one end of the first pressure tank and the auxiliary exhaust pipe and one end of the main exhaust pipe, the second exhaust valve is a four-way valve which is respectively connected with the second pressure tank and the auxiliary exhaust pipe from the first exhaust valve, the main exhaust pipe from the first exhaust valve and the main exhaust pipe leading to the exhaust device, the electromagnetic valve is arranged on the auxiliary exhaust pipe, and the other end of the auxiliary exhaust pipe is introduced into the exhaust device arranged at the top of the storage bin after being converged.
Description
Technical Field
The application relates to an underground coal mine material conveying transfer device, in particular to an energy-saving and high-efficiency filling underground coal mine material conveying transfer device.
Background
The new coal collection cumin mine is introduced into the world advanced coal mine building material conveying system to fill the underground frame tunnel, so that the difficult problem that the deep well is high in ground pressure and difficult to support is solved. The underground material filling system mainly conveys cement mixture which is scientifically proportioned on the ground to a head-on position to be filled by using compressed air and a dead weight pipeline, and fills the cement mixture to a position of a canopy in advance after being mixed and stirred at the head-on position, so that the technical problem of deep well support is solved, the supporting effect is enhanced by continuously exploring that the existing main roadway and the ascending roadway under a medium coal new collection port cumin mine are all supported by material filling, the problem is gradually highlighted along with the gradual increase of the roadway to be filled, and particularly, the problem is more serious in the long-term use process of a transfer station pressure tank of the material filling system because the dried mixture is conveyed. Under normal conditions, when the transfer station feeds, the pressure tank provides pressure and air return effect, and after the pressure tank is pressurized, the air is returned to the bin filter device through the four-way valve and the butterfly valve, so that the abrasion of the air return butterfly valve is serious in the process, and the replacement period of the normal DN80 butterfly valve and the four-way valve is 1 month. The exhaust device of the Cuminum cyminum pioneer electric team after investigation and modification greatly reduces abrasion, increases the accessory replacement period, saves a large amount of manpower and material resources, and has better economic benefit.
Disclosure of Invention
The application aims at: the difficult problem of short service life of the accessory in normal use is effectively solved; the cost of imported accessories is reduced; the labor intensity of workers is reduced, and the filling efficiency is improved; the series of safety accidents caused by the operation of replacing accessories at high altitude are reduced, and the underground coal mine material conveying transfer device is provided.
In order to complete the aim of the application, the application adopts the following technical scheme:
the application relates to a coal mine underground material conveying transfer device, which comprises: the utility model provides a first discharge valve, the second discharge valve, the main blast pipe, first overhead tank, the second overhead tank, exhaust apparatus, transmission device, the feed bin, the transfer box, the feed bin and conveying pipe, the lateral wall of first overhead tank and second overhead tank links to each other with the feed bin of dress in the feed bin bottom respectively through the conveying pipe, the top of first overhead tank and second overhead tank links to each other with the one end of main blast pipe through first overhead valve and second overhead valve respectively, the other end of main blast pipe lets in the exhaust apparatus of dress at the feed bin top, the discharge gate of first overhead tank and second overhead tank bottom communicates with each other with transmission device's feed inlet, transmission device's discharge gate links to each other with the transfer box, wherein: it also includes: the auxiliary exhaust pipe and the electromagnetic valve are arranged on the auxiliary exhaust pipe, the electromagnetic valve is arranged on the auxiliary exhaust pipe, the other ends of the auxiliary exhaust pipe and the main exhaust pipe are converged and then are led into the exhaust device arranged at the top of the storage bin.
The application relates to a coal mine underground material conveying transfer device, wherein: the electromagnetic valve is positioned on the auxiliary exhaust pipe between the junction point of the other ends of the auxiliary exhaust pipe and the main exhaust pipe and the connection point of the second exhaust valve and the auxiliary exhaust pipe.
The application relates to a coal mine underground material conveying transfer device, wherein: the transmission device is internally provided with a transmission shaft and a helical blade, the helical blade is welded on the transmission shaft, one end of the transmission shaft is driven by a motor, the other end of the transmission shaft is a discharge hole of the transmission device, and the discharge hole is connected with the transfer box.
The auxiliary exhaust pipe and the electromagnetic valve are newly arranged on the basis of the original underground coal mine material conveying transfer device, secondary exhaust can be realized, when normal pressure of 4 atm is reduced to 2 atm through the main exhaust pipe, the electromagnetic valve on the auxiliary exhaust pipe is automatically opened to start secondary exhaust, the phenomenon that the electromagnetic valve, the four-way valve and the three-way valve are worn out too quickly due to overlarge pressure and dry materials with large aperture are brought out is avoided, the abrasion to the electromagnetic valve, the four-way valve and the three-way valve is greatly reduced, the replacement period of the valve is prolonged, the utilization rate of the material filling valve is improved, the cost is saved, and the underground coal mine material conveying transfer device is suitable for the improvement of a pressure tank of an underground coal mine material conveying system, the abrasion of accessories is reduced, and the filling efficiency is improved.
Drawings
Fig. 1 is a schematic diagram of a coal mine underground material conveying transfer device of the application.
In fig. 1, reference numeral 1 denotes a first exhaust valve; reference numeral 2 is a second exhaust valve; reference numeral 3 is a main exhaust pipe; reference numeral 4 is a first pressure tank; reference numeral 5 is a second pressure tank; reference numeral 6 is a motor; reference numeral 7 denotes an exhaust device; reference numeral 8 is a transmission shaft; reference numeral 9 is a transmission device; reference numeral 10 is a helical blade; reference numeral 11 is a solenoid valve; reference numeral 12 is a stock bin; reference numeral 13 denotes an auxiliary exhaust pipe; reference numeral 14 is a transfer box; reference numeral 15 denotes a hopper; reference numeral 16 denotes a feed tube.
Detailed Description
As shown in fig. 1, the coal mine underground material conveying transfer device of the application comprises: the exhaust system comprises a first exhaust valve 1, a second exhaust valve 2, a main exhaust pipe 3, a first pressure tank 4, a second pressure tank 5, a motor 6, an exhaust device 7, a transmission shaft 8, a transmission device 9, a helical blade 10, an electromagnetic valve 11, a bin 12, an auxiliary exhaust pipe 13, a transfer box 14, a feed box 15 and a feed pipe 16, wherein the side walls of the first pressure tank 4 and the second pressure tank 5 are respectively connected with the feed box 15 arranged at the bottom of the bin 12 through the feed pipe 16, the discharge ports at the bottom ends of the first pressure tank 4 and the second pressure tank 5 are communicated with the feed port of the transmission device 9, the transmission device 9 is internally provided with the transmission shaft 8 and the helical blade 10, the helical blade 10 is welded on the transmission shaft 8, one end of the transmission shaft 8 is driven by the motor 6, the other end of the transmission shaft 8 is the discharge port of the transmission device 9, and the discharge port is connected with the transfer box 14.
The top ends of the first pressure tank 4 and the second pressure tank 5 are connected with one ends of the main exhaust pipe 3 and the auxiliary exhaust pipe 13 through the first exhaust valve 1 and the second exhaust valve 2, respectively. The first exhaust valve 1 is a three-way valve which is respectively connected with one end of the first pressure tank 4 and the auxiliary exhaust pipe 13 and one end of the main exhaust pipe 3, the second exhaust valve 2 is a four-way valve which is respectively connected with the second pressure tank 5, the auxiliary exhaust pipe 13 from the first exhaust valve 1, the main exhaust pipe 3 from the first exhaust valve 1 and the main exhaust pipe 3 leading to the exhaust device 7, the other ends of the auxiliary exhaust pipe 13 and the main exhaust pipe 3 are converged and then are introduced into the exhaust device 7 arranged at the top of the storage bin 12, the auxiliary exhaust pipe 13 is provided with the electromagnetic valve 11, and the electromagnetic valve 11 is positioned on the auxiliary exhaust pipe 13 between the junction point of the auxiliary exhaust pipe 13 and the other ends of the main exhaust pipe 3 and the connection point of the second exhaust valve 2 and the auxiliary exhaust pipe 13.
Firstly, the powder in the bin 12 is sent into the first pressure tank 4 and the second pressure tank 5 through the feeding pipe 16 under the pressurized state by the material sending box 15, the powder is deposited in the first pressure tank 4 and the second pressure tank 5, the powder is sent into the conveying device 9 through the discharging holes at the bottoms of the first pressure tank 4 and the second pressure tank 5, the powder is sent into the material sending box 14 through the transmission shaft 8, the spiral blade 10 and the motor 6, the pressure in the first pressure tank 4 and the second pressure tank 5 is respectively exhausted for the first time through the first exhaust valve 1 and the second exhaust valve 2, when the first exhaust is incomplete, the pressure reaches a certain value, the electromagnetic valve 11 acts to exhaust for the second time, the exhaust efficiency is improved, the faults are reduced, and the explosion risk is eliminated.
The above examples are only illustrative of the preferred embodiments of the present application and are not intended to limit the scope of the present application, and various modifications and improvements made by those skilled in the art to the technical solution of the present application should fall within the scope of protection defined by the claims of the present application without departing from the spirit of the design of the present application.
Claims (3)
1. A coal mine underground material conveying transfer device, comprising: the novel automatic feeding device is characterized in that the top ends of the first pressure tank (4) and the second pressure tank (5) are connected with one end of the main exhaust pipe (3) through the first exhaust valve (1) and the second exhaust valve (2), the other end of the main exhaust pipe (3) is communicated with the exhaust device (7) arranged at the top of the storage bin (12), the discharge ports of the first pressure tank (4) and the second pressure tank (5) are communicated with the feed inlet of the transmission device (9), and the discharge ports of the transmission device (9) are connected with the feed inlet of the transmission device (14), respectively. It also includes: auxiliary exhaust pipe (13) and solenoid valve (11), first discharge valve (1) are three-way valve, this three-way valve links to each other with first overhead tank (4), the one end of auxiliary exhaust pipe (13) and the one end of main exhaust pipe (3) respectively, second discharge valve (2) are the cross valve, this cross valve links to each other with second overhead tank (5) respectively, auxiliary exhaust pipe (13) from first discharge valve (1), main exhaust pipe (3) from first discharge valve (1) and main exhaust pipe (3) that lead to exhaust apparatus (7), solenoid valve (11) are equipped with on auxiliary exhaust pipe (13), behind the other end of auxiliary exhaust pipe (13) and main exhaust pipe (3) merging, let in exhaust apparatus (7) of dress at feed bin (12) top.
2. The coal mine downhole material transfer relay apparatus of claim 1, wherein: the electromagnetic valve (11) is positioned on the auxiliary exhaust pipe (13) between the junction point of the auxiliary exhaust pipe (13) and the other end of the main exhaust pipe (3) and the connection point of the second exhaust valve (2) and the auxiliary exhaust pipe (13).
3. The coal mine downhole material transfer relay apparatus of claim 2, wherein: the transmission device (9) is internally provided with a transmission shaft (8) and a helical blade (10), the helical blade (10) is welded on the transmission shaft (8), one end of the transmission shaft (8) is driven by a motor (6), the other end of the transmission shaft (8) is a discharge hole of the transmission device (9), and the discharge hole is connected with a transfer box (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297814.9A CN109911631B (en) | 2019-04-12 | 2019-04-12 | Underground coal mine material conveying transfer device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910297814.9A CN109911631B (en) | 2019-04-12 | 2019-04-12 | Underground coal mine material conveying transfer device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109911631A CN109911631A (en) | 2019-06-21 |
| CN109911631B true CN109911631B (en) | 2023-12-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910297814.9A Active CN109911631B (en) | 2019-04-12 | 2019-04-12 | Underground coal mine material conveying transfer device |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402643Y (en) * | 1999-10-11 | 2000-10-25 | 常州新区华源电力技术开发有限公司 | Pneumatic secondary conveying type conveying and unloading device |
| CN203255744U (en) * | 2013-05-13 | 2013-10-30 | 河北东泉机械科技有限公司 | Pneumatic dust conveying system with automatic anti-blocking function |
| CN203512783U (en) * | 2013-08-26 | 2014-04-02 | 张家港保税区万盛机械工业有限公司 | Dense-phase compressed gas delivery device |
| CN103826999A (en) * | 2011-11-25 | 2014-05-28 | 三菱重工业株式会社 | Bin system and char recycling equipment |
| CN207792103U (en) * | 2017-12-27 | 2018-08-31 | 安徽省安美利特环保材料科技有限公司 | A kind of pulse Dense Phase Pneumatic Conveying System for manufacturing vacuum stone |
| CN209956965U (en) * | 2019-04-12 | 2020-01-17 | 中煤新集能源股份有限公司 | Underground coal mine material conveying and transferring device |
-
2019
- 2019-04-12 CN CN201910297814.9A patent/CN109911631B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2402643Y (en) * | 1999-10-11 | 2000-10-25 | 常州新区华源电力技术开发有限公司 | Pneumatic secondary conveying type conveying and unloading device |
| CN103826999A (en) * | 2011-11-25 | 2014-05-28 | 三菱重工业株式会社 | Bin system and char recycling equipment |
| CN203255744U (en) * | 2013-05-13 | 2013-10-30 | 河北东泉机械科技有限公司 | Pneumatic dust conveying system with automatic anti-blocking function |
| CN203512783U (en) * | 2013-08-26 | 2014-04-02 | 张家港保税区万盛机械工业有限公司 | Dense-phase compressed gas delivery device |
| CN207792103U (en) * | 2017-12-27 | 2018-08-31 | 安徽省安美利特环保材料科技有限公司 | A kind of pulse Dense Phase Pneumatic Conveying System for manufacturing vacuum stone |
| CN209956965U (en) * | 2019-04-12 | 2020-01-17 | 中煤新集能源股份有限公司 | Underground coal mine material conveying and transferring device |
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| Publication number | Publication date |
|---|---|
| CN109911631A (en) | 2019-06-21 |
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