CN109704076B - Mine multicomponent solid particle material pipeline conveying system - Google Patents
Mine multicomponent solid particle material pipeline conveying system Download PDFInfo
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- CN109704076B CN109704076B CN201910015499.6A CN201910015499A CN109704076B CN 109704076 B CN109704076 B CN 109704076B CN 201910015499 A CN201910015499 A CN 201910015499A CN 109704076 B CN109704076 B CN 109704076B
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- 239000007787 solid Substances 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 title abstract description 41
- 239000002245 particle Substances 0.000 title abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 24
- 238000007664 blowing Methods 0.000 claims description 68
- 239000011236 particulate material Substances 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 239000004568 cement Substances 0.000 description 14
- 238000000034 method Methods 0.000 description 6
- 238000009924 canning Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000654 additive Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The invention provides a mine multicomponent solid particle material pipeline conveying system, which comprises: the invention relates to a multi-tunnel operation system, which comprises a ground station and a working surface station, wherein a plurality of transfer stations are arranged between the ground station and the working surface station, the ground station comprises a ground station bin, the lower end of the ground station bin is connected with a left ground station pressure tank (CT) and a right ground station pressure tank (CT) through a ground station conveying pipeline, a star feeder is arranged at the lower ends of the left ground station pressure tank (CT) and the right ground station pressure tank (CT), the transfer stations comprise a detection control system and a transfer conveying system, the transfer conveying system comprises a transfer station bin (STB), the upper side of a front end buffer bin is connected with the left transfer station pressure tank (CT) and the right transfer pressure tank (CT) through pipelines, and a screw feeder (M2) is arranged at the lower ends of the left transfer station pressure tank (CT) and the right transfer pressure tank (CT).
Description
Technical Field
The invention relates to the technical field of mine conveying systems, in particular to a mine multicomponent solid particle material pipeline conveying system.
Background
Underground mine tunneling and exploitation, along with roadway extension and ore exploitation, require supporting and filling of the roadway and stope, and the used concrete is required to be stirred underground under the influence of the transportation distance, so that the cement is transported to the underground along a ramp by an automobile at present. The conveying mode has the following problems and disadvantages: (1) The bagged cement is easy to damp due to the influence of moist air in a roadway in the transportation process, especially the bagged cement left on site can agglomerate after long placement time, if the cement is used, the strength of concrete can be influenced, the supporting strength of the roadway is reduced, the supporting life is shortened, and the repairing cost is increased; (2) As the mining depth decreases, the transportation distance increases, the transportation task of the ramp is heavy, the number of vehicles is large, and the truck for transporting the cement often encounters the phenomenon of traffic jam, so that the cement cannot be delivered to the construction site on time.
Chinese patent discloses a cement delivery system for mines (publication No. CN 204844501U). The utility model comprises a cement bin and a stirrer which are arranged in a mine tunnel, and an air compressor which is arranged on the ground, wherein the air compressor is connected with a feed inlet of the cement bin through a conveying pipeline, and a discharge outlet of the cement bin is connected with the stirrer through a screw conveyer. According to the utility model, the cement on the ground is conveyed into a mine tunnel by adopting the air compressor and the conveying pipeline, is collected by the cement bin and is stirred by the stirrer for use, but the cement can only be conveyed in a single component mode, and cannot be quantitatively controlled in real time, so that the cement-conveying device is very inconvenient to use.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a mine multicomponent solid particle material pipeline conveying system, so as to solve the problems in the background art.
The technical problems solved by the invention are realized by adopting the following technical scheme: a mine multicomponent solid particulate material conduit system comprising: the ground station, the workstation, be equipped with a plurality of transfer stations between ground station, the workstation, through the pipe connection between ground station, workstation and the transfer station, the ground station includes the ground station feed bin, ground station feed bin lower extreme passes through ground station conveying pipeline connection left ground station overhead tank (CT), right ground station overhead tank (CT), left ground station overhead tank (CT), right ground station overhead tank (CT) lower extreme is equipped with star feeder, is equipped with ground station unloading conveying pipeline on star feeder's the discharge gate, be connected with the ground station pressure release pipe on ground station feed bin, left ground station overhead tank (CT), right ground station overhead tank (CT), be equipped with discharge valve (DEK) on the ground station pressure release pipe, be equipped with screw conveying feed motor (M1) on the ground station conveying pipeline of ground station feed bin lower extreme, be equipped with discharge valve (DAL) between left ground station overhead tank (CT), right ground station overhead tank (CT) and the star feeder, be equipped with discharge valve (SP) on the pipeline of left ground station overhead tank (CT), be equipped with on the transfer station overhead tank (CT) and detect the transfer system, transfer station overhead tank (DAS), transfer system detecting system, transfer System (SP), transfer system detecting system, and power station system, the utility model provides a high-order pressure sensor (HT), low level sensor (LT), pressure detection sensor (PT) are equipped with to transfer station feed bin (STB) upper end, transfer station feed bin (STB) one side is connected in ground station unloading conveying pipeline, is equipped with on the ground station unloading conveying pipeline of transfer station feed bin (STB) one side and bloies valve (FL 2) in advance, and the junction is equipped with the filter core between transfer station feed bin (STB) and the ground station unloading conveying pipeline, transfer station feed bin (STB) downside is equipped with screw feeder (M1), be equipped with front end surge bin on the discharge gate of screw feeder (M1), be equipped with high level sensor (HT) on the front end surge bin, front end surge bin lower extreme is equipped with the pre-blow tuber pipe, is equipped with on the pre-blow tuber pipe and bloies control valve (D1), the front end surge bin upside is equipped with charge valve (EK) through pipe connection in left transfer station overhead pressure jar (CT), right transfer pressure jar (CT), be equipped with on the pipeline of play feed bin upside, transfer station feed bin (STB), left transfer station overhead pressure jar (CT), transfer station (CT) are equipped with on the discharge valve (CT), transfer station (CT) is equipped with on the discharge valve (CT), transfer station (CT) pressure jar (CT) A discharge valve (DAL) is arranged between the right transfer pressure tank (CT) and the screw feeder (M2).
The left ground station pressure tank (CT) and the right ground station pressure tank (CT) are of cone structures, the upper ends of the left ground station pressure tank (CT) and the right ground station pressure tank (CT) are provided with a high-level sensor (HT), a low-level sensor (LT) and a pressure detection sensor (PT), one side upper parts of the left ground station pressure tank (CT) and the right ground station pressure tank (CT) are provided with a pressurizing valve (DA), and the lower parts of the left ground station pressure tank and the right ground station pressure tank are provided with a blowing valve (DB).
The ground station blanking conveying pipe is characterized in that a pre-blowing pipeline is arranged on one side OF the ground station blanking conveying pipe, a pre-blowing valve (FL 1) is arranged on the pre-blowing pipeline, an Orifice Flowmeter (OF), a differential pressure valve (PD) and a pre-blowing control valve (D2) are arranged on the pre-blowing pipeline on one side OF the pre-blowing valve (FL 1), and a pre-blowing detection valve (PB) is arranged on the pre-blowing pipeline on one side OF the pre-blowing valve (FL 1).
The left transfer station pressure tank (CT) and the right transfer pressure tank (CT) are of cone structures, the upper ends of the left ground station pressure tank (CT) and the right ground station pressure tank (CT) are provided with a high-level sensor (HT), a low-level sensor (LT) and a pressure detection sensor (PT), and a pressurizing valve (DA) and a blowing valve (DB) are arranged above one side of the left transfer station pressure tank (CT) and one side of the right transfer pressure tank (CT) respectively.
The automatic blowing machine is characterized in that a transfer station pre-blowing pipeline is arranged on one side OF a transfer station discharging conveying pipeline, a pre-blowing valve (FL 1) is arranged on the transfer station pre-blowing pipeline on one side OF the pre-blowing valve (FL 1), an orifice plate flowmeter (OF), a differential pressure valve (PD) and a pre-blowing control valve (D2) are arranged on the transfer station pre-blowing pipeline on one side OF the pre-blowing valve (FL 1), and a pre-blowing detection valve (PB) is arranged on the transfer station pre-blowing pipeline on one side OF the pre-blowing valve (FL 1).
Compared with the prior art, the invention has the following advantages: the invention meets the requirement of multi-tunnel operation, adopts the pipeline distributor to split and convey the dry materials to different operation sites, and achieves the effect of multi-purpose use of one pump.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
Fig. 2 is a schematic diagram of the ground station structure of the present invention.
Fig. 3 is a schematic diagram of a transfer station according to the present invention.
Detailed Description
In order to make the technical means, creation features, working procedure, and use method of the present invention easy to understand, the technical solutions in the embodiments of the present invention will be clearly and completely described in the following in conjunction with the embodiments of the present invention, and in the description of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "connected" should be interpreted in a broad sense, for example, they may be fixed connection, may be detachable connection, or integrally connected to be mechanical connection, or may be electrical connection; either directly or indirectly, or through an intermediary, or in communication with the interior of two elements, it will be apparent that the embodiments described are merely some, but not all, of the embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1-3, a mine multicomponent solid particulate material conduit system comprising: the ground station and the working surface station are connected through pipelines.
The ground station includes the ground station feed bin, ground station feed bin 11 lower extreme passes through ground station conveying pipeline connection left ground station overhead tank (CT) 12, right ground station overhead tank (CT) 13, be equipped with star feeder 14 on left ground station overhead tank (CT) 12, right ground station overhead tank (CT) 13 lower extreme, be equipped with ground station unloading conveying pipeline 15 on star feeder 14's the discharge gate, be connected with ground station relief pipe 17 on ground station feed bin 11, left ground station overhead tank (CT) 12, right ground station overhead tank (CT) 13, be equipped with discharge valve (DEK) on the ground station relief pipe 17, be equipped with screw conveying feed motor (M1) on the ground station overhead tank of ground station feed bin 11 lower extreme, be equipped with discharge valve (DAL) between left ground station overhead tank (CT) 12, right ground station overhead tank (CT) 13 and the star feeder 14, be equipped with charge valve (EK) on the ground station overhead pipeline of left ground station overhead tank (CT) upper end, be equipped with star feeder pressure (SP) and detect feeder valve (DAL).
The left ground station pressure tank (CT) 12 and the right ground station pressure tank (CT) 13 are of cone structures, and the upper ends of the left ground station pressure tank (CT) 12 and the right ground station pressure tank (CT) 13 are provided with a high-level sensor (HT), a low-level sensor (LT) and a pressure sensor
The ground station blanking conveying pipeline 15 side is equipped with the pipeline OF preaging air 16, be equipped with on the pipeline OF preaging air 16 and blow valve (FL 1) in advance, be equipped with Orifice Flowmeter (OF), differential pressure valve (PD), the control valve OF preaging air (D2) on the pipeline OF preaging air 16 OF preaging air valve (FL 1) one side, be equipped with on the pipeline OF preaging air 16 OF preaging air valve (FL 1) one side and blow detection valve (PB).
The transfer station comprises a detection control system and a transfer conveying system, the detection control system is connected with the control transfer conveying system and the ground station, a valve bank cabinet of the detection control system, a power supply system and a communication system are arranged on the ground station, the transfer conveying system comprises a transfer station bin (STB) 21, a high-level sensor (HT), a low-level sensor (LT) and a pressure detection sensor (PT) are arranged at the upper end of the transfer station bin (STB) 21, one side of the transfer station bin (STB) 21 is connected with a ground station blanking conveying pipe 15, a pre-blowing valve (FL 2) is arranged on the ground station blanking conveying pipe 15 at one side of the transfer station bin (STB) 21, a filter element 22 is arranged at the joint between the transfer station bin (STB) 21 and the ground station blanking conveying pipe 15, a screw feeder (M1) is arranged at the lower side of the transfer station bin (STB) 21, a front end buffer bin 23 is arranged at the discharge outlet of the screw feeder (M1), a high-level sensor (HT) is arranged on the front end buffer bin 23, a pre-blowing air pipe is arranged at the lower end of the front end buffer bin 23, a pre-blowing valve (FL) is arranged on the front end buffer bin 21, a pressure relief valve (CT) is arranged on the transfer station (CT) is arranged at the upper side of the transfer station, a pressure relief valve (CT) is connected with the transfer station (CT) 25), a pressure release valve (CT) is arranged at the upper end of the transfer station (CT) and the transfer station (CT) is connected with the pressure tank (25) at the pressure tank (25), the left transfer station pressure tank (CT) 24, right transfer pressure tank (CT) 25 lower extreme is equipped with screw feeder (M2), is equipped with transfer station unloading conveying pipeline 27 on the discharge gate of screw feeder (M2), be equipped with discharge valve (DAL) between left transfer station pressure tank (CT) 24, right transfer pressure tank (CT) 25 and screw feeder (M2).
The left transfer station pressure tank (CT) 24 and the right transfer pressure tank (CT) 25 are of cone structures, the upper ends of the left ground station pressure tank (CT) 12 and the right ground station pressure tank (CT) 13 are provided with a high-level sensor (HT), a low-level sensor (LT) and a pressure detection sensor (PT), and one side upper parts of the left transfer station pressure tank (CT) 24 and the right transfer pressure tank (CT) 25 are provided with a pressurizing valve (DA) and a blowing valve (DB) below.
The transfer station pre-blowing pipeline 28 is arranged on one side OF the transfer station blanking conveying pipeline 27, the transfer station pre-blowing pipeline 28 is provided with a pre-blowing valve (FL 1), the transfer station pre-blowing pipeline 28 on one side OF the pre-blowing valve (FL 1) is provided with an orifice plate flowmeter (OF), a differential pressure valve (PD) and a pre-blowing control valve (D2), and the transfer station pre-blowing pipeline 28 on one side OF the pre-blowing valve (FL 1) is provided with a pre-blowing detection valve (PB).
The working principle of the invention is as follows:
in the material conveying working process: when the upstream and downstream transfer stations normally operate, a next transfer station bin (STB) is empty, when a low-level sensor (LT) acts, the next transfer station sends a material-requiring signal to the transfer station, the transfer station is prompted to prepare to convey materials to the next station, and similarly, the next transfer station bin (STB) sends a material-requiring signal to the previous transfer station or the ground station under the low-level working state.
After the transfer station receives a material-requiring signal sent by the next transfer station, the pressure detection (PT) OF the next station bin is normal, the feeding valve (FL 2) is opened, the pre-blowing valve (FL 1) OF the material conveying pipeline OF the transfer station is opened, pre-blowing is started, meanwhile, the orifice plate flowmeter (OF) on the air pipe detects the current air quantity, and if the set air quantity is not met, the differential pressure valve (PD) starts to act until the air quantity meets the set value.
After pre-blowing for 100 seconds, a screw feeder (M2) under the pressure tank is started, an exhaust valve (DEK) of the 1# pressure tank (CT) is closed, meanwhile, a blowing valve (DB) and a pressurizing valve (DA) of the 1# pressure tank (CT) are opened, the time is prolonged for 20 seconds, if a pressure sensor (PT) on the 1# pressure tank (CT) detects that the pressure in the tank exceeds 200mbar of the pressure of a material conveying pipeline, a discharge valve (DAL) of the 1# pressure tank (CT) is opened, the material starts to be conveyed into the material conveying pipeline under the actions of the pressure in the tank and the screw feeder, the material fed to the pipeline is conveyed into a bin of a next transfer station under the action of high-pressure air, until the 1# pressure tank (CT) has empty bins, a low-position sensor (LT) acts and delays for 5 seconds, the discharge valve (DA) of the 1# pressure tank (CT) is closed, the exhaust valve (DEK) of the 1# pressure tank (CT) is opened, the material conveying of the 1# pressure tank (CT) is switched to be carried, meanwhile, the material conveying of the 1# pressure tank (CT) starts to be carried into the material conveying pipeline under the action of the pressure tank, the action of the high-pressure tank is started, the material starts to be conveyed into the material conveying pipeline under the action of the pressure tank, and the action of the high-pressure tank is started until a signal full of a next station or a fault signal appears.
And when the next transfer station bin detects a bin high-level signal, namely the bin is full, the next transfer station bin is informed to stop feeding. The high-pressure air entering the bin comprises the pressure in the pipe with the exhaust valve of the pressure tank opened and the pressure of material conveying, and is discharged out of the bin through the filter element of the bin after entering the bin.
If the blowing valve (DB) and the pressurizing valve (DA) of the No. 1 pressure tank (CT) are opened, the time is prolonged for 20 seconds, and if the pressure sensor PT on the pressure tank detects that the pressure in the No. 1 pressure tank is smaller than 200mbar of the pressure of the material conveying pipeline, the condition that the valve or the pipeline leaks is indicated, the transfer station gives out a fault alarm, and meanwhile, the transfer station is switched to the No. 2 pressure tank (CT) to convey the material.
In the process of loading the pressure tank, the following steps are carried out: when the station is in normal operation, a low-level sensor (LT) of an empty bin of the No. 1 pressure tank (CT) acts, an exhaust valve (DEK) of the No. 1 pressure tank (CT) is opened, gas in the tank returns to the bin through the exhaust valve and a pipeline, a blowing valve (DB), a pressurizing valve (DA) and a discharging valve (DAL) are closed, pressure detection (PT) is normal, and the pressure in the tank is larger than the pressure of the bin.
After the preparation of the No. 1 pressure tank (CT) bin is completed, a charging valve (EK 2) of the No. 1 pressure tank (CT) is opened, the time delay is 5 seconds, a charging air blowing valve (D1) is opened, the time delay is 5 seconds, a material level sensor HT does not detect signals, a screw conveying feeding motor (M1) of the material bin is opened, a (M1) screw conveys materials into a front end buffer bin, and the materials are conveyed into the No. 1 pressure tank under the action of high-pressure air until the No. 1 pressure tank is full.
When a full tank signal of the No. 1 pressure tank (CT) is detected, and the high-level sensor HT acts or the tank fails, the screw rod is closed to be conveyed to the feeding motor (M1), the time delay is 5 seconds, the blowing valve (D1) is closed, the time delay is 5 seconds, the charging valve (EK 2) is closed, and the canning is stopped. If the empty tank of the No. 2 pressure tank (CT) is detected, the low-level sensor (LT) operates, the No. 2 pressure tank (CT) is filled, and the process is the same as that above, and the cycle is repeated.
The materials conveyed by the invention are all dry materials, the material components comprise cement, sand, fine stones, additives and the like, the dry materials are conveyed to a ground station of a mine multicomponent solid particle material pipeline conveying system by a canning vehicle, the materials are pressurized by a vehicle-mounted air compressor of the canning vehicle, and the materials in the canning vehicle are conveyed to a bin of the ground station; the materials in the ground station bin are conveyed into a series pressure tank system through a star feeder, the materials are conveyed to underground transfer stations of a mine through closed pipelines by taking dry filtered high-pressure air and the weight of the materials as conveying power, the underground transfer stations play a role in conveying distance and grounding force of a material conveying system, the conveying distance of each transfer station is about 1000 meters, one transfer station is required to be arranged in excess of 1000 meters, the ground dry materials are conveyed to the position where the materials are required in the pit in a relay mode through a plurality of transfer stations, namely, the tail end of a mine multicomponent solid particle material pipeline conveying system is a working surface station, and the tail end of the mine multicomponent solid particle material pipeline conveying system can directly spray or stir and fill the scientifically proportioned dry materials with water by utilizing tail end working surface equipment.
The foregoing has shown and described the basic principles, main features and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. A mine multicomponent solid particulate material conduit system comprising: ground station, workstation, be equipped with a plurality of transfer stations between ground station, the workstation, pass through the pipe connection between ground station, workstation and the transfer station, its characterized in that: the ground station comprises a ground station bin, the lower end of the ground station bin is connected with a left ground station pressure tank and a right ground station pressure tank through a ground station conveying pipeline, the lower ends of the left ground station pressure tank and the right ground station pressure tank are provided with star feeders, a discharge port of each star feeder is provided with a ground station discharging conveying pipeline, the ground station bin, the left ground station pressure tank and the right ground station pressure tank are connected with a ground station pressure relief pipe, an exhaust valve is arranged on the ground station pressure relief pipe, a screw conveying feeding motor is arranged on the ground station conveying pipeline at the lower end of the ground station bin, a discharge valve is arranged between the left ground station pressure tank, the right ground station pressure tank and the star feeders, one end of each star feeder is provided with a feeder pressure detection valve, the transfer station comprises a detection control system and a transfer conveying system, the detection control system is connected with and controls the transfer conveying system and the ground station, the detection control system comprises a valve bank cabinet, a power supply system and a communication system, the transfer conveying system comprises a transfer station bin, the upper end of the transfer station bin is provided with a high-level sensor, a low-level sensor and a pressure detection sensor, one side of the transfer station bin is connected with a ground station blanking conveying pipe, a pre-blowing valve is arranged on the ground station blanking conveying pipe on one side of the transfer station bin, a filter element is arranged at the joint between the transfer station bin and the ground station blanking conveying pipe, a screw feeder is arranged on the lower side of the transfer station bin, a front end buffer bin is arranged on a discharge port of the screw feeder, a pre-blowing air pipe is arranged on the front end buffer bin, a pre-blowing control valve is arranged on the pre-blowing air pipe, the upper side of the front end buffer bin is connected with a left transfer station pressure tank and a right transfer pressure tank through pipelines, a charging valve is arranged on the pipeline at the upper side of the discharge bin, transfer station pressure pipes are connected with the transfer station pressure tanks, the transfer station pressure pipes are provided with exhaust valves, screw feeders are arranged at the lower ends of the left transfer station pressure tank and the right transfer pressure tank, transfer station blanking conveying pipelines are arranged at the discharge ports of the screw feeders, and discharge valves are arranged among the left transfer station pressure tank, the right transfer pressure tank and the screw feeders; the left ground station pressure tank and the right ground station pressure tank are of cone structures, the upper ends of the left ground station pressure tank and the right ground station pressure tank are provided with a high-level sensor, a low-level sensor and a pressure detection sensor, and a pressurizing valve and a blowing valve are arranged above one side of the left ground station pressure tank and the right ground station pressure tank; the ground station blanking conveying pipe one side is equipped with the pipeline of blowing in advance, be equipped with the valve of blowing in advance on the pipeline of blowing in advance, be equipped with orifice flowmeter, differential pressure valve, the control valve of blowing in advance on the pipeline of blowing in advance of valve one side of blowing in advance, be equipped with the detection valve of blowing in advance on the pipeline of blowing in advance of valve one side of blowing in advance.
2. The mine multicomponent solid particulate material conduit system of claim 1, wherein: the left transfer station pressure tank and the right transfer pressure tank are of cone structures, the upper ends of the left ground station pressure tank and the right ground station pressure tank are provided with a high-level sensor, a low-level sensor and a pressure detection sensor, and a pressurizing valve and a blowing valve are arranged above one side of the left transfer station pressure tank and the right transfer pressure tank and below one side of the right transfer station pressure tank.
3. The mine multicomponent solid particulate material conduit system of claim 1, wherein: the automatic blowing machine is characterized in that a transfer station pre-blowing pipeline is arranged on one side of a transfer station blanking conveying pipeline, a pre-blowing valve is arranged on the transfer station pre-blowing pipeline, an orifice plate flowmeter, a differential pressure valve and a pre-blowing control valve are arranged on the transfer station pre-blowing pipeline on one side of the pre-blowing valve, and a pre-blowing detection valve is arranged on the transfer station pre-blowing pipeline on one side of the pre-blowing valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910015499.6A CN109704076B (en) | 2019-01-08 | 2019-01-08 | Mine multicomponent solid particle material pipeline conveying system |
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| CN201910015499.6A CN109704076B (en) | 2019-01-08 | 2019-01-08 | Mine multicomponent solid particle material pipeline conveying system |
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| CN109704076B true CN109704076B (en) | 2024-04-19 |
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| DE102013005377A1 (en) * | 2012-03-29 | 2013-10-02 | Ulrich Matschkewitz | Injecting carbonaceous dust e.g. petroleum coke dust into cupola furnace, comprises supplying petroleum coke dust into distributor by furnace lances, where dust supply is positioned between a dosing tank and the distributor |
| CN202670746U (en) * | 2012-05-31 | 2013-01-16 | 开封万盛新材料有限公司 | Automatic micro-powder feeding system |
| CN105621103A (en) * | 2014-12-01 | 2016-06-01 | 常州常衡德宇粉体集成系统有限公司 | Positive-pressure conveying system device |
| CN205977266U (en) * | 2016-08-17 | 2017-02-22 | 国投新集能源股份有限公司 | Mining filling material conveying system in pit |
| CN207844479U (en) * | 2017-12-20 | 2018-09-11 | 中交西安筑路机械有限公司 | A kind of filler bin system |
| CN209455673U (en) * | 2019-01-08 | 2019-10-01 | 立宝莱科技股份有限公司 | Mine multicomponent solid particle material pipe-line transportation system |
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| CN109704076A (en) | 2019-05-03 |
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