CN206988819U - A kind of mining liquid carbon dioxide conveying device - Google Patents

A kind of mining liquid carbon dioxide conveying device Download PDF

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Publication number
CN206988819U
CN206988819U CN201720945485.0U CN201720945485U CN206988819U CN 206988819 U CN206988819 U CN 206988819U CN 201720945485 U CN201720945485 U CN 201720945485U CN 206988819 U CN206988819 U CN 206988819U
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China
Prior art keywords
carbon dioxide
inner tube
tube
pressure
storage tank
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Expired - Fee Related
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CN201720945485.0U
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Chinese (zh)
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王凯
翟小伟
邓军
徐宇
王伟峰
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Xian University of Science and Technology
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Xian University of Science and Technology
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Abstract

The utility model discloses a kind of mining liquid carbon dioxide conveying device, including the first gaseous carbon dioxide storage tank, second gaseous carbon dioxide storage tank and liquid carbon dioxide storage tank and plumbing installation, plumbing installation includes outer tube and inner tube, one end that outer tube is located at outside ore body is connected with the first gaseous carbon dioxide storage tank, one end of inner tube is connected with the second gaseous carbon dioxide storage tank and liquid carbon dioxide storage tank, one end that inner tube is located at outside ore body is provided with the pressure maintaining valve for entering inner tube for gas of the voltage supply power higher than 1.6MPa~2MPa or liquid, one end that inner tube is located in ore body is provided with the pressure-control valve for releasing the gas in it or liquid when the internal pressure of inner tube is more than 2MPa~2.5MPa, one end that inner tube is located in ore body is connected with the fire extinguishing tube through underground flame range fire dam;The conveying device also includes being used to monitor the monitoring system whether said inner tube leaks.The conveying device can improve the reliability of liquid carbon dioxide conveying, avoid security incident.

Description

A kind of mining liquid carbon dioxide conveying device
Technical field
The utility model belongs to mining liquid carbon dioxide conveying technology field, is specifically related to a kind of mining liquid dioxy Change carbon conveying device.
Background technology
In existing preventing and extinguishing fire of coal mine technical method, liquid carbon dioxide method on the basis of inerting due to that can realize Fast cooling, liquid carbon dioxide are fed into flame range meeting instant vaporization, volumetric expansion, flowing diffusion, absorb substantial amounts of heat, make Flame range temperature and oxygen concentration quickly reduce, and are administered in Mine Fire Area and show great advantage.Due to the phase of carbon dioxide State is related to pressure and temperature, and temperature is too low or hypertonia can form dry ice, occurs during long-distance transportation through pipeline Phenomena such as plugging, pipeline fracture distress cause liquid carbon dioxide to leak.At present, Chinese patent notification number is CN106247169A A kind of mining liquid carbon dioxide long-distance transportation through pipeline device and carrying method are disclosed, when in use, it is necessary to manual operation The conveying of liquid carbon dioxide is carried out, automaticity is low, and operating efficiency is not high, and without complete monitoring system, it is impossible to and The feed status of Shi Fanying pipelines.If the timely signal piping situation of energy, when plugging or leakage occur for pipeline, take in time corresponding Measure, conduit failure, the reliability of enhancing liquid carbon dioxide conveying can be avoided.It is simultaneously no in the prior art to be directed to liquid two The system that carbonoxide long-distance transportation through pipeline is monitored in real time.
Therefore, it is necessary to which a complete monitoring system, is effectively supervised to liquid carbon dioxide long distance delivery pipeline Survey, when there is leakage phenomenon, carry out sending alarm in time, and control delivery pump to stop conveying, it is defeated to improve liquid carbon dioxide The reliability sent, avoids security incident.
Utility model content
The purpose of this utility model is to overcome above-mentioned deficiency of the prior art, there is provided a kind of mining liquid carbon dioxide Conveying device.The conveying device can realize the direct conveying to liquid carbon dioxide, it is ensured that liquid when underground flame range is put out a fire The sufficient supply of carbon dioxide, while the real-time monitoring of realization whether can also be leaked conveying device, improve liquid titanium dioxide The reliability of carbon conveying, avoids security incident.
To achieve these goals, the technical solution adopted in the utility model is:A kind of mining liquid carbon dioxide conveying Device, it is characterised in that:Stored up including the first gaseous carbon dioxide storage tank, the second gaseous carbon dioxide storage tank and liquid carbon dioxide Tank and for entering from vertical, footrill or inclined shaft in ore body and extending to the plumbing installation of underground flame range, the plumbing installation Including outer tube and the inner tube for being arranged on the outer tube, the outer tube is located at one end and the first gaseous carbon dioxide outside ore body Storage tank is connected, and the outer tube is located at one end closing in ore body, and said inner tube is located at one end and the second gaseous state two outside ore body Carbonoxide storage tank is connected with liquid carbon dioxide storage tank, and one end that said inner tube is located at outside ore body is provided with high for voltage supply power Enter the pressure maintaining valve of said inner tube and for being seen to the pressure in said inner tube in 1.6MPa~2MPa gas or liquid The pressure gauge of survey, one end that said inner tube is located in ore body is provided with is more than 2MPa~2.5MPa for the internal pressure in inner tube When the pressure-control valve that releases the gas in it or liquid, one end that said inner tube is located in ore body is connected with through underground fire The fire extinguishing tube of area's fire dam, fire valve is installed on the fire extinguishing tube;The conveying device also includes being used to monitor said inner tube The monitoring system of no leakage.
Above-mentioned a kind of mining liquid carbon dioxide conveying device, it is characterised in that the monitoring system includes:
First pressure transmitter and second pressure transmitter, for obtaining the outer tube overpressure signal;
And controller, for obtaining the pressure signal of above-mentioned pressure transmitter output and being judged according to the pressure signal Whether inner tube leaks, and when inner tube leaks, judges the leakage point position of inner tube and is simultaneously emitted by pre-warning signal;
The input of first pressure transmitter and second pressure transmitter with the controller connects, and described first Pressure transmitter is arranged on one end that the outer tube is located at outside ore body, and the second pressure transmitter is arranged on the outer tube and is located at One end in ore body.
A kind of above-mentioned mining liquid carbon dioxide conveying device, it is characterised in that:The outer tube is by multiple outer pipe sections Head and the tail are sequentially connected with composition, and two neighboring outer pipe sections are connected by outward flange, and said inner tube is suitable by multiple inner pipe sections head and the tail Secondary to connect and compose, two neighboring inner pipe sections are connected by inner flange, have gap between the outward flange and inner flange.
A kind of above-mentioned mining liquid carbon dioxide conveying device, it is characterised in that:The circumferencial direction of said inner tube unit It is provided with the support bar for being supported on the outer pipe sections inwall.
A kind of above-mentioned mining liquid carbon dioxide conveying device, it is characterised in that:The pressure maintaining valve is close to described second The side of gaseous carbon dioxide storage tank and liquid carbon dioxide storage tank is provided with for being gaseous carbon dioxide or liquid titanium dioxide The booster pump of carbon supercharging, the booster pump are arranged in said inner tube.
A kind of above-mentioned mining liquid carbon dioxide conveying device, it is characterised in that:The outer tube is located at one outside ore body End is connected by the first connecting tube with the first gaseous carbon dioxide storage tank, and one end that said inner tube is located at outside ore body passes through second Connecting tube is connected with the second gaseous carbon dioxide storage tank, and one end that said inner tube is located at outside ore body passes through the 3rd connecting tube and liquid State carbon dioxide storage tank is connected, and the first block valve is provided with first connecting tube, is provided with second connecting tube Second block valve, the 3rd block valve is provided with the 3rd connecting tube.
A kind of above-mentioned mining liquid carbon dioxide conveying device, it is characterised in that:It is provided with first connecting tube Pressure safety valve.
In order to realize to above-mentioned conveying device whether leak realization effectively monitoring, with improve liquid carbon dioxide conveying can By property, security incident is avoided.The utility model additionally provides the leakage monitoring side of mining liquid carbon dioxide conveying device Method.The leakage monitoring method use technical scheme be:A kind of leakage prison of liquid carbon dioxide conveying device mining as described above Survey method, it is characterised in that comprise the following steps:
Step 1: controller obtains first pressure transmitter and the pressure signal of second pressure transmitter output;
Step 2: controller judges whether inner tube leaks according to the pressure signal:When first pressure transmitter and second When the pressure signal of pressure transmitter output occurs abnormal, then illustrate that inner tube leaks, when not occurring abnormal such as pressure signal, then Illustrate that inner tube does not leak;
Step 3: when inner tube leaks, controller judges the leakage point position of inner tube and is simultaneously emitted by pre-warning signal, described The leakage point position of inner tube is calculated according to following equation:
Le is outer tube whole story end distance to outer tube top distance, L for inner tube leakage point position, and Δ t is first pressure pick-up Device monitors the time t1 and first pressure transmitters monitor to the time t2 of abnormal signal of abnormal signal time difference, and as is pressure The spread speed of Reeb, it is 340m/s.
The utility model has advantages below compared with prior art:
1st, it is of the present utility model simple in construction, it is novel in design reasonable.
2nd, the utility model can realize the direct conveying to liquid phase carbon dioxide, it is ensured that liquid when underground flame range is put out a fire The sufficient supply of carbon dioxide, while pass through monitoring system, additionally it is possible to pass through the change of the gaseous carbon dioxide pressure in outer tube To monitor whether inner tube leaks.
3rd, the utility model avoids single tube from being leaked when conveying by setting the plumbing installation being made up of outer tube and inner tube Cause to damage to personal security, said inner tube conveying liquid phase carbon dioxide, the internal pipe of outer tube forms protection, the monitoring system The gas that system is monitored by two pressure transmitters in outer tube changes, convenient to close inner tube in time when inner tube leaks.
4th, in the utility model, by setting support bar between the inner and outer pipe sections, it can be ensured that inner pipe sections are positioned at outer The middle part of pipe unit, makes the inwall of outer pipe sections will not be in contact with the outer wall of inner pipe sections.
5th, pressure safety valve is provided with the first connecting tube of the present utility model, can be right by setting pressure safety valve Outer tube is effectively protected, i.e., when inner tube leaks, leaking into outer tube gas from inner tube can cause the pressure in outer to increase, when When pressure in outer tube exceedes the critical value of pressure safety valve, now pressure safety valve automatically opens up, and carries out pressure release.
Below by drawings and examples, the technical solution of the utility model is described in further detail.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model.
Fig. 2 is the structural representation of the utility model plumbing installation.
Fig. 3 is the A-A sectional views in Fig. 2.
Fig. 4 is the theory diagram of the utility model monitoring system.
Fig. 5 is the method flow diagram of monitoring method in the utility model.
Fig. 6 is the formula proving schematic diagram of inner tube leakage point position in the utility model.
Description of reference numerals:
1-the first gaseous carbon dioxide storage tank;2-the second gaseous carbon dioxide storage tank;
3-liquid carbon dioxide storage tank;4-the first block valve;
5-the second block valve;6-the three block valve;
7-the first connecting tube;8-the second connecting tube;
9-the three connecting tube;10-pressure safety valve;
11-booster pump;12-pressure gauge;
13-pressure maintaining valve;14-first pressure transmitter;
15-temperature sensor;16-plumbing installation;
16-1-outer tube;16-1-1-outer pipe sections;
16-2-inner tube;16-2-1-inner pipe sections;
16-3-outward flange;16-4-inner flange;
16-5-support bar;17-second pressure transmitter;
18-pressure-control valve;19-fire valve;
20-fire extinguishing tube;21-fire dam;
22-controller.
Embodiment
A kind of mining liquid carbon dioxide conveying device as depicted in figs. 1 and 2, including the first gaseous carbon dioxide storage tank 1st, the second gaseous carbon dioxide storage tank 2 and liquid carbon dioxide storage tank 3 and for from vertical, footrill or inclined shaft enter ore body in And the plumbing installation 16 of underground flame range is extended to, the plumbing installation 16 includes outer tube 16-1 and is arranged in the outer tube 16-1 The inner tube 16-2 in portion, one end that the outer tube 16-1 is located at outside ore body are connected with the first gaseous carbon dioxide storage tank 1, described outer Pipe 16-1 is located at one end closing in ore body, and said inner tube 16-2 is located at one end and the second gaseous carbon dioxide storage tank outside ore body 2 are connected with liquid carbon dioxide storage tank 3, and one end that said inner tube 16-2 is located at outside ore body is provided with to be higher than for voltage supply power 1.6MPa~2MPa gas or liquid is into said inner tube 16-2 pressure maintaining valve 13 and for the pressure in said inner tube 16-2 The pressure gauge 12 that power is observed, one end that said inner tube 16-2 is located in ore body are provided with for being pressed in inner tube 16-2 inside The pressure-control valve 18 for releasing the gas in it or liquid when power is more than 2MPa~2.5MPa, said inner tube are located in ore body One end is connected with the fire extinguishing tube 20 through underground flame range fire dam 21, is provided with fire valve 19 on the fire extinguishing tube 20, the conveying Device also includes being used to monitor the monitoring system whether said inner tube 16-2 leaks.
In the present embodiment, liquid carbon dioxide conveying device that this is mining when in use, is first stored up with the second gaseous carbon dioxide Gaseous carbon dioxide in tank 2 boosts to inner tube 16-2, the pressure in said inner tube 16-2 is reached 1.6MPa~2MPa, Meanwhile the carbon dioxide in the first gaseous carbon dioxide storage tank 1 is filled in outer tube 16-1, make the gas pressure in outer tube 16-1 Power reaches 0.8MPa~1MPa, now again to liquid carbon dioxide is passed through in inner tube 16-2, into the liquid two in inner tube 16-2 Carbonoxide can be maintained at liquid phase state, when inner tube 16-2 overpressure is more than 2MPa~2.5MPa, by pressure-control valve 18 Pressure release is carried out to the liquid phase carbon dioxide in inner tube 16-2, the liquid phase carbon dioxide of pressure release outflow enters well by fire extinguishing tube 20 again Lower flame range is put out a fire.The conveying device can realize the direct conveying to liquid phase carbon dioxide, it is ensured that underground flame range is put out a fire When liquid carbon dioxide sufficient supply, while pass through monitoring system, additionally it is possible to pass through the gaseous carbon dioxide in outer tube 16-1 The change of pressure monitors whether inner tube 16-1 leaks.
With reference to Fig. 1 and Fig. 4, the monitoring system includes:
First pressure transmitter 14 and second pressure transmitter 17, for obtaining the outer tube 16-1 overpressure signals;
And controller 22, for obtaining the pressure signal of above-mentioned pressure transmitter output and being sentenced according to the pressure signal Whether disconnected inner tube 16-2 leaks, and when inner tube 16-2 is leaked, judges inner tube 16-2 leakage point position and is simultaneously emitted by early warning letter Number;
The input of the first pressure transmitter 14 and second pressure transmitter 17 with the controller 22 connects, institute State first pressure transmitter 14 and be arranged on one end that the outer tube 16-1 is located at outside ore body, the second pressure transmitter 17 is set It is located at one end in ore body in the outer tube 16-1.
In the present embodiment, by setting the plumbing installation 16 being made up of outer tube 16-1 and inner tube 16-2, single tube is avoided to convey Shi Fasheng leakages cause to damage to personal security, and said inner tube 16-2 conveying liquid phase carbon dioxides, outer tube 16-1 is to inner tube 16-2 forms protection, and the gas that the monitoring system is monitored by two pressure transmitters in outer tube 16-1 changes, including convenient Inner tube 16-2 is closed when pipe 16-2 is leaked in time.
In the present embodiment, to make carbon dioxide in inner tube 16-2 under liquid phase state, it is necessary to meet temperature conditionss simultaneously And pressure condition, in the present embodiment, the conveying device is boosted ensure that by gaseous carbon dioxide to inner tube 16-2 Pressure condition when liquid phase carbon dioxide conveys, for temperature conditionss, due to the liquid exported from liquid carbon dioxide storage tank 3 State carbon dioxide meets temperature conditionss, and with the continuous injection of liquid carbon dioxide, meeting constantly adjusts inner tube 16-2 temperature, So that inner tube 16-2 also meets the temperature conditionss of carbon dioxide liquid phase conveying.The present embodiment is by temperature sensor 15 to inner tube Temperature in 16-2 is detected.
With reference to Fig. 2 and Fig. 3, the outer tube 16-1 is sequentially connected with by multiple outer pipe sections 16-1-1 head and the tail and formed, and adjacent two Individual outer pipe sections 16-1-1 is connected by outward flange 16-3, and said inner tube 16-2 is sequentially connected by multiple inner pipe sections 16-2-1 head and the tail Connect composition, two neighboring inner pipe sections 16-2-1 is connected by inner flange 16-4, the outward flange 16-3 and inner flange 16-4 it Between there is gap.
In the present embodiment, the plumbing installation 16 when mounted, first with inner flange 16-4 by multiple inner pipe sections 16-2-1 Connection covers multiple outer pipe sections 16-1-1, multiple outer pipe sections 16-1-1 to form inner tube 16-2, then on inner tube 16-2 Outward flange 16-3 is passed sequentially through to be connected so as to form outer tube 16-1, between the outward flange 16-3 and inner flange 16-4 having Gap, so it is able to ensure that multiple outer pipe sections 16-1-1 are mutually communicated.
As shown in Figures 2 and 3, said inner tube unit 16-2-1 circumferencial direction is provided with for being supported on the outer tube list The support bar 16-5 of first 16-1-1 inwalls.By setting support bar 16-5, it can be ensured that inner pipe sections 16-2-1 is located at outer tube list First 16-1-1 middle part, makes outer pipe sections 16-1-1 inwall will not be in contact with inner pipe sections 16-2-1 outer wall.
As shown in figure 1, the pressure maintaining valve 13 is close to the second gaseous carbon dioxide storage tank 2 and liquid carbon dioxide storage tank 3 side is provided with installs for the booster pump 11 for gaseous carbon dioxide or liquid carbon dioxide supercharging, the booster pump 11 On said inner tube 16-2.
In the present embodiment, when being boosted to inner tube 16-2, or to inner tube 16-2 inject liquid carbon dioxide when, when Pressure in second gaseous carbon dioxide storage tank 2 or liquid carbon dioxide storage tank 3 declines so as to the preset value less than pressure maintaining valve 13 When, stored up by booster pump 11 to the gaseous carbon dioxide that is exported from the second gaseous carbon dioxide storage tank 2 or from liquid carbon dioxide The liquid carbon dioxide that tank 3 exports effectively is pressurized, and to meet the preset value requirement of pressure maintaining valve 13, and then can make gaseous state Carbon dioxide or liquid carbon dioxide enter inner tube 16-2 inside.
As shown in figure 1, one end that the outer tube 16-1 is located at outside ore body passes through the first connecting tube 7 and the first gaseous state titanium dioxide Carbon storage tank 1 is connected, and one end that said inner tube 16-2 is located at outside ore body is stored up by the second connecting tube 8 and the second gaseous carbon dioxide Tank 2 is connected, and one end that said inner tube 16-2 is located at outside ore body is connected by the 3rd connecting tube 9 with liquid carbon dioxide storage tank 3 It is logical, the first block valve 4 is provided with first connecting tube 7, the second block valve 5 is provided with second connecting tube 8, it is described The 3rd block valve 6 is provided with 3rd connecting tube 9.
As shown in figure 1, it is provided with pressure safety valve 10 in first connecting tube 7.By setting pressure safety valve 10, energy It is enough that outer tube 16-1 is effectively protected, i.e., when inner tube 16-2 is leaked, outer tube 16-1 gas meetings are leaked into from inner tube 16-2 Cause the pressure in outer tube 16-1 to increase, when the pressure in outer tube 16-1 exceedes the critical value of pressure safety valve 10, now press Power safety valve 10 automatically opens up, and carries out pressure release.
In the present embodiment, the fed distance of the conveying device is generally 1000m~3000m.The pressure maintaining valve 13 uses Be model DGMX2-3-PP-CW-B-40 vickers pressure-control valves or model DA21F-40P liquid carbon dioxides Safety valve;The pressure-control valve 18 using model DGMX2-3-PP-CW-B-40 vickers pressure-control valves or Model DA21F-40P liquid carbon dioxide safety valves.The booster pump 11 uses model BPO-15-75/16.5 low temperature The carbon dioxide low-temperature liquid filling pump of liquid process pump or model DWB100-1200/100.
A kind of leakage monitoring method of mining liquid carbon dioxide conveying device as shown in Figure 5, comprises the following steps:
Step 1: controller 22 obtains the pressure signal that first pressure transmitter 14 and second pressure transmitter 17 export;
Step 2: controller 22 judges whether inner tube 16-2 leaks according to the pressure signal:When first pressure transmitter 14 and second pressure transmitter 17 export pressure signal occur it is abnormal when, then illustrate inner tube 16-2 leak, as pressure signal does not have When having generation abnormal, then illustrate that inner tube 16-2 is not leaked;
Step 3: when inner tube 16-2 is leaked, controller 22 judges inner tube 16-2 leakage point position and is simultaneously emitted by pre- Alert signal, said inner tube 16-2 leakage point position is calculated according to following equation:
Le is length of the inner tube 16-2 leakage points position to outer tube 16-1 tops, and L is outer tube 16-1 total length, and Δ t is First pressure transmitter 14 monitors that the time t1 of abnormal signal and second pressure transmitter 17 monitor the time of abnormal signal T2 time difference, as are pressure-wave propagation speed, and it is 340m/s.
In three the present embodiment the step of, as shown in fig. 6, the derivation of above-mentioned formula is as follows:Wherein leakage point position For c, a points are the installation site of outer tube 16-1 one end, as first pressure transmitter 14, and b points are the outer tube 16-1 other end, The as installation site of second pressure transmitter 17, Lac are required Le, and the time that leakage point travels to a points is t1, leakage point The time for traveling to b points is t2, and the difference of the time from leakage point to both ends corresponds to leak source c to the difference of the length at both ends, leakage point It is Δ t=t1-t2 to travel to a points and travel to time differences of b points, therefore, Lcb-Lac=- Δs t × ds (1), and Lac+Lcb= (2), by above-mentioned formula (2) (1) L substitutes into formula, drawDue to Lac=Le, so as to draw;
In the present embodiment, the monitoring method monitors the pressure change inside outer tube 16-1 by two pressure transmitters, When inner tube 16-2 is leaked, two pressure transmitters can all monitor the abnormal signal of pressure increase, and controller 22 obtains Above-mentioned abnormal signal, and the particular location of leakage point is calculated according to the time for obtaining above-mentioned abnormal signal.
It is described above, only it is preferred embodiment of the present utility model, not the utility model is imposed any restrictions, every Any simple modification, change and the equivalent structure transformation made according to the utility model technical spirit to above example, still Belong in the protection domain of technical solutions of the utility model.

Claims (7)

  1. A kind of 1. mining liquid carbon dioxide conveying device, it is characterised in that:Including the first gaseous carbon dioxide storage tank (1), Two gaseous carbon dioxide storage tanks (2) and liquid carbon dioxide storage tank (3) and for from vertical, footrill or inclined shaft enter ore body in And the plumbing installation (16) of underground flame range is extended to, the plumbing installation (16) includes outer tube (16-1) and is arranged on the outer tube (16-1) internal inner tube (16-2) outer tube (16-1) is located at one end and the first gaseous carbon dioxide storage tank (1) outside ore body It is connected, the outer tube (16-1) is located at one end closing in ore body, and said inner tube (16-2) be located at one end outside ore body and the Two gaseous carbon dioxide storage tanks (2) are connected with liquid carbon dioxide storage tank (3), and said inner tube (16-2) is located at one outside ore body End is provided with the pressure maintaining valve (13) for entering said inner tube (16-2) for gas of the voltage supply power higher than 1.6MPa~2MPa or liquid With the pressure gauge (12) for being observed to the pressure in said inner tube (16-2), said inner tube (16-2) is located in ore body One end is provided with for releasing the gas in it or liquid when the internal pressure of inner tube (16-2) is more than 2MPa~2.5MPa Pressure-control valve (18), one end that said inner tube (16-2) is located in ore body is connected with through underground flame range fire dam (21) Fire extinguishing tube (20), fire valve (19) is installed on the fire extinguishing tube (20);The conveying device also includes being used to monitor said inner tube The monitoring system whether (16-2) leaks.
  2. A kind of 2. mining liquid carbon dioxide conveying device according to claim 1, it is characterised in that the monitoring system Including:
    First pressure transmitter (14) and second pressure transmitter (17), for obtaining the outer tube (16-1) overpressure letter Number;
    And controller (22), for obtaining the pressure signal of above-mentioned pressure transmitter output and being judged according to the pressure signal Whether inner tube (16-2) leaks, and when inner tube (16-2) leaks, judges the leakage point position of inner tube (16-2) and is simultaneously emitted by pre- Alert signal;
    The input of the first pressure transmitter (14) and second pressure transmitter (17) with the controller (22) connects, The first pressure transmitter (14) is arranged on one end that the outer tube (16-1) is located at outside ore body, the second pressure transmitter (17) it is arranged on one end that the outer tube (16-1) is located in ore body.
  3. A kind of 3. mining liquid carbon dioxide conveying device according to claim 1, it is characterised in that:Outer tube (the 16- 1) it is sequentially connected with and is formed from beginning to end by multiple outer pipe sections (16-1-1), two neighboring outer pipe sections (16-1-1) passes through outward flange (16-3) is connected, and said inner tube (16-2) is sequentially connected with and formed from beginning to end by multiple inner pipe sections (16-2-1), two neighboring inner tube Unit (16-2-1) is connected by inner flange (16-4), has gap between the outward flange (16-3) and inner flange (16-4).
  4. A kind of 4. mining liquid carbon dioxide conveying device according to claim 3, it is characterised in that:Said inner tube unit The circumferencial direction of (16-2-1) is provided with the support bar (16-5) for being supported on the outer pipe sections (16-1-1) inwall.
  5. A kind of 5. mining liquid carbon dioxide conveying device according to claim 1, it is characterised in that:The pressure maintaining valve (13) it is provided with close to the side of the second gaseous carbon dioxide storage tank (2) and liquid carbon dioxide storage tank (3) for being gas State carbon dioxide or the booster pump (11) of liquid carbon dioxide supercharging, the booster pump (11) are arranged on said inner tube (16-2) On.
  6. A kind of 6. mining liquid carbon dioxide conveying device according to claim 1, it is characterised in that:Outer tube (the 16- 1) one end outside ore body is connected by the first connecting tube (7) with the first gaseous carbon dioxide storage tank (1), said inner tube One end that (16-2) is located at outside ore body is connected by the second connecting tube (8) with the second gaseous carbon dioxide storage tank (2), described interior One end that pipe (16-2) is located at outside ore body is connected by the 3rd connecting tube (9) with liquid carbon dioxide storage tank (3), and described first The first block valve (4) is provided with connecting tube (7), is provided with the second block valve (5) on second connecting tube (8), described The 3rd block valve (6) is provided with three connecting tubes (9).
  7. A kind of 7. mining liquid carbon dioxide conveying device according to claim 6, it is characterised in that:First connection Pressure safety valve (10) is provided with pipe (7).
CN201720945485.0U 2017-07-31 2017-07-31 A kind of mining liquid carbon dioxide conveying device Expired - Fee Related CN206988819U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218512A (en) * 2017-07-31 2017-09-29 西安科技大学 A kind of mining liquid carbon dioxide conveying device and its leakage monitoring method
CN111609317A (en) * 2020-05-07 2020-09-01 江苏华扬液碳有限责任公司 Continuous supply device for fluid in liquid carbon dioxide production
CN112374167A (en) * 2020-12-06 2021-02-19 贵州福泉川东化工有限公司 High-concentration high-viscosity phosphoric acid transportation device and manufacturing method thereof
CN114484280A (en) * 2022-04-15 2022-05-13 中国石油化工股份有限公司胜利油田分公司 Flow regulating device for liquid carbon dioxide distribution

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107218512A (en) * 2017-07-31 2017-09-29 西安科技大学 A kind of mining liquid carbon dioxide conveying device and its leakage monitoring method
CN111609317A (en) * 2020-05-07 2020-09-01 江苏华扬液碳有限责任公司 Continuous supply device for fluid in liquid carbon dioxide production
CN112374167A (en) * 2020-12-06 2021-02-19 贵州福泉川东化工有限公司 High-concentration high-viscosity phosphoric acid transportation device and manufacturing method thereof
CN114484280A (en) * 2022-04-15 2022-05-13 中国石油化工股份有限公司胜利油田分公司 Flow regulating device for liquid carbon dioxide distribution

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