CN111140277A - Belt feeder head liquid carbon dioxide cooling system - Google Patents
Belt feeder head liquid carbon dioxide cooling system Download PDFInfo
- Publication number
- CN111140277A CN111140277A CN202010001246.6A CN202010001246A CN111140277A CN 111140277 A CN111140277 A CN 111140277A CN 202010001246 A CN202010001246 A CN 202010001246A CN 111140277 A CN111140277 A CN 111140277A
- Authority
- CN
- China
- Prior art keywords
- carbon dioxide
- liquid carbon
- conveying pipeline
- belt head
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 title claims abstract description 130
- 239000007788 liquid Substances 0.000 title claims abstract description 80
- 229910002092 carbon dioxide Inorganic materials 0.000 title claims abstract description 65
- 239000001569 carbon dioxide Substances 0.000 title claims abstract description 65
- 238000001816 cooling Methods 0.000 title claims abstract description 34
- 238000009413 insulation Methods 0.000 claims abstract description 31
- 239000002184 metal Substances 0.000 claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 9
- 239000007924 injection Substances 0.000 claims abstract description 9
- 238000005507 spraying Methods 0.000 claims abstract description 4
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 239000007921 spray Substances 0.000 claims description 3
- 230000000699 topical effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 6
- 238000010521 absorption reaction Methods 0.000 abstract description 3
- 230000008016 vaporization Effects 0.000 abstract description 2
- 238000009834 vaporization Methods 0.000 abstract description 2
- 239000003245 coal Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F13/00—Transport specially adapted to underground conditions
- E21F13/02—Transport of mined mineral in galleries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D3/00—Devices using other cold materials; Devices using cold-storage bodies
- F25D3/10—Devices using other cold materials; Devices using cold-storage bodies using liquefied gases, e.g. liquid air
- F25D3/102—Stationary cabinets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2207/00—Indexing codes relating to constructional details, configuration and additional features of a handling device, e.g. Conveyors
- B65G2207/22—Heat or fire protection
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
Abstract
The invention discloses a belt head liquid carbon dioxide cooling system which comprises a liquid carbon dioxide storage tank for storing liquid carbon dioxide, a heat insulation conveying pipeline connected with the liquid carbon dioxide storage tank, and a metal hose connected with the heat insulation conveying pipeline, wherein the tail end of the metal hose is connected with a nozzle facing a belt head and used for spraying the liquid carbon dioxide to the belt head and cooling the belt head; the heat-insulation conveying pipeline is connected with a pressure injection valve and is used for injecting the liquid carbon dioxide in the liquid carbon dioxide storage tank into the heat-insulation conveying pipeline; and the heat insulation conveying pipeline is connected with a data collector for monitoring the state of the liquid carbon dioxide in the heat insulation conveying pipeline. The invention utilizes the liquid carbon dioxide vaporization heat absorption principle to cool the underground belt head, thereby improving the cooling efficiency, optimizing the cooling effect and effectively reducing the mechanical heat damage brought by the underground belt head.
Description
Technical Field
The invention belongs to the technical field of underground cooling of coal mines, and particularly relates to a belt conveyor head liquid carbon dioxide cooling system.
Background
Coal enterprises use underground belt conveyors to transport coal in the underground mining process. In the transportation process, the belt can run for a long time, so that the driving device, namely a belt machine head, generates a large amount of heat, and damages each rotating and driving device in the belt machine. Meanwhile, too high temperature can also cause automatic shutdown accidents of the belt conveyor. The traditional technical field does not have an effective cooling method for the belt head, and generally, dust removal and cooling are combined for treatment, and the cooling effect of the traditional spray type dust removal device on the belt head is very limited.
Disclosure of Invention
Based on the defects of the prior art, the technical problem to be solved by the invention is to provide the liquid carbon dioxide cooling system for the belt head, which utilizes the liquid carbon dioxide phase change heat absorption principle to cool the belt head in the well, improves the cooling efficiency, optimizes the cooling effect and effectively reduces the mechanical heat damage caused by the belt head in the well.
In order to solve the technical problems, the invention is realized by the following technical scheme: the invention provides a belt head liquid carbon dioxide cooling system which comprises a liquid carbon dioxide storage tank for storing liquid carbon dioxide, a heat insulation conveying pipeline connected with the liquid carbon dioxide storage tank, and a metal hose connected with the heat insulation conveying pipeline, wherein the tail end of the metal hose is connected with a nozzle facing a belt head and used for spraying the liquid carbon dioxide to the belt head and cooling the belt head;
the heat-insulation conveying pipeline is connected with a pressure injection valve and is used for injecting the liquid carbon dioxide in the liquid carbon dioxide storage tank into the heat-insulation conveying pipeline;
and the heat insulation conveying pipeline is connected with a data collector for monitoring the state of the liquid carbon dioxide in the heat insulation conveying pipeline.
Optionally, the data collector includes a flow meter, a pressure sensor and a temperature sensor, and is respectively connected to the heat insulation conveying pipeline, and is configured to collect information on flow, pressure and temperature of the liquid carbon dioxide in the heat insulation conveying pipeline.
Further, a liquid outlet valve is installed at a liquid outlet of the liquid carbon dioxide storage tank and used for controlling the outflow of liquid carbon dioxide in the liquid carbon dioxide storage tank; the liquid outlet valve is connected with the heat insulation conveying pipeline.
Optionally, the nozzles are disposed around and below the belt head.
Optionally, the liquid carbon dioxide storage tank is a CQ-01-AA vertical cryogenic storage tank. The nozzle is a 595HF6-20-00 model overhead type sprayer for local application.
Therefore, the working state of the heat insulation conveying pipeline is controlled by the information in the heat insulation conveying pipeline collected by the data collector. Through the flowing state of liquid carbon dioxide in liquid valve and the pressure injection valve control pipe, metal collapsible tube is connected with adiabatic pipeline, and the nozzle is connected at metal collapsible tube's end, and is located belt aircraft nose below and both sides, becomes the cooling that absorbs heat realization to the belt aircraft nose through spraying liquid carbon dioxide. The invention utilizes the liquid carbon dioxide vaporization heat absorption principle to cool the underground belt head, thereby improving the cooling efficiency, optimizing the cooling effect and effectively reducing the mechanical heat damage brought by the underground belt head.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following detailed description is given in conjunction with the preferred embodiments, together with the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below.
Fig. 1 is a schematic structural diagram of a belt head liquid carbon dioxide cooling system according to a preferred embodiment of the present invention.
In the figure, 1-a liquid carbon dioxide storage tank, 2-a liquid outlet valve, 3-a flow meter, 4-a pressure sensor, 5-a temperature sensor, 6-a metal hose, 7-a heat insulation conveying pipeline, 8-a belt machine head, 9-a pressure injection valve and 10-a nozzle.
Detailed Description
Other aspects, features and advantages of the present invention will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, which form a part of this specification, and which illustrate, by way of example, the principles of the invention. In the referenced drawings, the same or similar components in different drawings are denoted by the same reference numerals.
As shown in fig. 1, the liquid carbon dioxide cooling system for a belt head provided by the invention comprises: liquid carbon dioxide storage tank 1, liquid outlet valve 2, flowmeter 3, pressure sensor 4, temperature sensor 5, metal hose 6, heat insulation conveying pipeline 7, pressure injection valve 9 and nozzle 10.
Wherein, liquid carbon dioxide holding vessel 1 is used for saving liquid carbon dioxide, will go out liquid valve 2 and set up liquid outlet department of liquid carbon dioxide holding vessel 1, will pressure annotate valve 9 and set up after going out liquid valve 2, go out liquid valve 2 with pressure annotate valve 9 and be connected with adiabatic pipeline 7. The liquid outlet valve 2 can control the outflow of liquid carbon dioxide in the liquid carbon dioxide storage tank, and the pressure injection valve 9 can inject the liquid carbon dioxide in the storage tank into the heat insulation conveying pipeline 7.
The heat insulation conveying pipeline 7 connects the liquid carbon dioxide storage tank 1 with the metal hose 6, connects the metal hose 6 with the 4 nozzles 10, and respectively arranges the 4 nozzles 10 below and around the belt head.
And a data collector consisting of the flowmeter 3, the pressure sensor 4 and the temperature sensor 5 is arranged on the heat insulation conveying pipeline 7, and is used for collecting relevant information of flow, pressure and temperature of liquid carbon dioxide in the heat insulation conveying pipeline 7, and manually controlling the working state of the heat insulation conveying pipeline 7 according to the relevant information of the liquid carbon dioxide and the field cooling effect, wherein the working state comprises a conduction state and a closing state.
Specifically, the liquid carbon dioxide storage tank 1 is a CQ-01-AA type vertical low-temperature storage tank. The nozzle 10 is a 595HF6-20-00 model overhead type spray head for topical application.
In order to control liquid carbon dioxide, set up above-mentioned play liquid valve 2 and pressure injection valve 9 on adiabatic pipeline 7, pressure injection valve 9 opens when the cooling effect is not enough, annotates liquid carbon dioxide to metal collapsible tube 6 middling pressure to improve cooling efficiency.
The belt conveyor head cooling device carries out different controls according to different temperature states of the belt conveyor head 8, and reasonably utilizes liquid carbon dioxide to cool according to different thermal hazard degrees, thereby not only effectively solving the problem of high-temperature thermal hazard caused by the belt conveyor head in a mine, but also reducing the cooling cost and improving the cooling efficiency.
While the foregoing is directed to the preferred embodiment of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow.
Claims (6)
1. The belt head liquid carbon dioxide cooling system is characterized by comprising a liquid carbon dioxide storage tank for storing liquid carbon dioxide, a heat insulation conveying pipeline connected with the liquid carbon dioxide storage tank, and a metal hose connected with the heat insulation conveying pipeline, wherein the tail end of the metal hose is connected with a nozzle facing a belt head and used for spraying the liquid carbon dioxide to the belt head and cooling the belt head;
the heat-insulation conveying pipeline is connected with a pressure injection valve and is used for injecting the liquid carbon dioxide in the liquid carbon dioxide storage tank into the heat-insulation conveying pipeline;
and the heat insulation conveying pipeline is connected with a data collector for monitoring the state of the liquid carbon dioxide in the heat insulation conveying pipeline.
2. The belt head liquid carbon dioxide cooling system of claim 1, wherein the data collector comprises a flow meter, a pressure sensor and a temperature sensor, which are respectively connected to the heat-insulating conveying pipe, and are used for collecting information on flow, pressure and temperature of the liquid carbon dioxide in the heat-insulating conveying pipe.
3. The belt head liquid carbon dioxide cooling system as claimed in claim 1, wherein a liquid outlet valve is installed at a liquid outlet of the liquid carbon dioxide storage tank for controlling the outflow of liquid carbon dioxide in the liquid carbon dioxide storage tank; the liquid outlet valve is connected with the heat insulation conveying pipeline.
4. The belt head liquid carbon dioxide cooling system of claim 1, wherein the nozzles are positioned around and below the belt head.
5. The belt head liquid carbon dioxide cooling system of claim 1, wherein the liquid carbon dioxide storage tank is a CQ-01-AA vertical cryogenic storage tank.
6. The belt head liquid carbon dioxide cooling system of claim 1, wherein the nozzle is a 595HF6-20-00 model overhead type spray head for topical application.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010001246.6A CN111140277A (en) | 2020-01-02 | 2020-01-02 | Belt feeder head liquid carbon dioxide cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010001246.6A CN111140277A (en) | 2020-01-02 | 2020-01-02 | Belt feeder head liquid carbon dioxide cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111140277A true CN111140277A (en) | 2020-05-12 |
Family
ID=70523225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010001246.6A Pending CN111140277A (en) | 2020-01-02 | 2020-01-02 | Belt feeder head liquid carbon dioxide cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111140277A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813532A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Supercritical carbon dioxide discharge pipe and supercritical carbon dioxide fire extinguishing device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201592641U (en) * | 2009-12-29 | 2010-09-29 | 广州大学 | Fast cooling device in car |
| CN106150539A (en) * | 2016-08-25 | 2016-11-23 | 辽宁工程技术大学 | A kind of high temperature getting working face liquid CO2freezing by change of state heat sink and method |
| CN107062732A (en) * | 2017-05-13 | 2017-08-18 | 合肥鼎鑫模具有限公司 | A kind of quickly cooling device of mould production |
| CN206571522U (en) * | 2017-03-13 | 2017-10-20 | 申隆安全科技（吉林）有限公司 | A kind of high-temperature mine getting working face liquid CO2Heat sink |
| CN207538852U (en) * | 2017-12-06 | 2018-06-26 | 西安科技大学 | Liquid CO 2 refrigeration cooling device is used in a kind of mine |
| KR20190097413A (en) * | 2018-02-12 | 2019-08-21 | 에임시스템 주식회사 | Moving Conveyor System having Cooling Apparatus for airport baggage and control method thereof |
| CN110355220A (en) * | 2019-07-12 | 2019-10-22 | 瓯锟科技温州有限公司 | A kind of cooled system for sheet metal rolling |
-
2020
- 2020-01-02 CN CN202010001246.6A patent/CN111140277A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201592641U (en) * | 2009-12-29 | 2010-09-29 | 广州大学 | Fast cooling device in car |
| CN106150539A (en) * | 2016-08-25 | 2016-11-23 | 辽宁工程技术大学 | A kind of high temperature getting working face liquid CO2freezing by change of state heat sink and method |
| CN206571522U (en) * | 2017-03-13 | 2017-10-20 | 申隆安全科技（吉林）有限公司 | A kind of high-temperature mine getting working face liquid CO2Heat sink |
| CN107062732A (en) * | 2017-05-13 | 2017-08-18 | 合肥鼎鑫模具有限公司 | A kind of quickly cooling device of mould production |
| CN207538852U (en) * | 2017-12-06 | 2018-06-26 | 西安科技大学 | Liquid CO 2 refrigeration cooling device is used in a kind of mine |
| KR20190097413A (en) * | 2018-02-12 | 2019-08-21 | 에임시스템 주식회사 | Moving Conveyor System having Cooling Apparatus for airport baggage and control method thereof |
| CN110355220A (en) * | 2019-07-12 | 2019-10-22 | 瓯锟科技温州有限公司 | A kind of cooled system for sheet metal rolling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813532A (en) * | 2020-06-18 | 2021-12-21 | 中国石油化工股份有限公司 | Supercritical carbon dioxide discharge pipe and supercritical carbon dioxide fire extinguishing device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200512 |
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| RJ01 | Rejection of invention patent application after publication |