CN112922659A - Intelligent oxygen supply system for tunnel face of plateau area - Google Patents
Intelligent oxygen supply system for tunnel face of plateau area Download PDFInfo
- Publication number
- CN112922659A CN112922659A CN202110377007.5A CN202110377007A CN112922659A CN 112922659 A CN112922659 A CN 112922659A CN 202110377007 A CN202110377007 A CN 202110377007A CN 112922659 A CN112922659 A CN 112922659A
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- Prior art keywords
- oxygen
- unit
- tunnel face
- flow valve
- module
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 238
- 239000001301 oxygen Substances 0.000 title claims abstract description 238
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 238
- 238000003860 storage Methods 0.000 claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 21
- 238000010276 construction Methods 0.000 claims description 20
- 238000001816 cooling Methods 0.000 claims description 10
- 238000001179 sorption measurement Methods 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 239000012535 impurity Substances 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 238000000746 purification Methods 0.000 claims description 2
- 238000009826 distribution Methods 0.000 description 13
- 230000001276 controlling effect Effects 0.000 description 10
- 239000006185 dispersion Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036284 oxygen consumption Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000005641 tunneling Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Classifications
-
- 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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/006—Ventilation at the working face of galleries or tunnels
-
- 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
- E21F11/00—Rescue devices or other safety devices, e.g. safety chambers or escape ways
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Business, Economics & Management (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Pulmonology (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention relates to the technical field of oxygen generation and supply, in particular to an intelligent oxygen supply system for tunnel faces of plateau areas, which comprises: the oxygen generation module is arranged near the tunnel face of the tunnel and used for purifying oxygen in the air; the control module is used for controlling the amount of oxygen flowing into the tunnel face and the oxygen storage module; the oxygen storage module is used for storing the oxygen purified by the oxygen generation module and supplying oxygen to the tunnel face; the tunnel face oxygen supply module is used for releasing oxygen, monitoring the oxygen content of the tunnel face, controlling the oxygen amount of the oxygen generation module flowing into the tunnel face and controlling the oxygen amount of the oxygen storage module flowing into the tunnel face.
Description
Technical Field
The invention relates to the technical field of oxygen generation and supply, in particular to an intelligent oxygen supply system for tunnel faces of plateau areas.
Background
The tunnel face is an important part for tunnel excavation and tunneling, oxygen consumption of blasting, equipment and the like is serious, construction dust amount is large, and oxygen content and oxygen partial pressure of the tunnel face are reduced more obviously. Aiming at the problem of oxygen deficiency of the palm surface, individual oxygen carrying and supplying and oxygen supplying of an oxygen bar car are widely applied. In fact, the oxygen cylinder has a small capacity and a poor continuous oxygen supply capacity, and if a large oxygen cylinder is used, the burden of operators is increased, and construction and operation are affected. On the other hand, the oxygen bar vehicle has more restrictions on construction workers, and individual oxygen inhalation is carried out by adopting a nasal suction tube or a mask, which is very inconvenient. Therefore, the oxygen diffusion on the palm surface becomes a relatively better choice.
The invention patent with publication number CN101095972A discloses a dispersion oxygen supply system and method for tunnel face in high altitude area, which has no oxygen storage function and has obvious shortage in oxygen utilization. Meanwhile, the invention patent does not have a user end, is not provided with an intelligent module, and can not dynamically and intelligently adjust the oxygen content of the tunnel face according to the real-time requirements of construction operators and mechanical equipment on oxygen.
The invention patent with the publication number of CN109399572A discloses a plateau automobile carriage oxygen supply device and a plateau automobile, wherein the plateau automobile carriage oxygen supply device mainly supplies oxygen to an automobile carriage, cannot visually display oxygen content data through an LED screen, and also does not have the function of intelligently and interactively controlling the oxygen release amount.
Disclosure of Invention
The invention aims to provide an intelligent dispersion oxygen supply system for a tunnel face of a plateau tunnel, aiming at the defects of the existing plateau tunnel oxygen supply technology.
The invention discloses an intelligent oxygen supply system for tunnel faces of plateau regions, which comprises:
the oxygen generation module is arranged near the tunnel face of the tunnel and used for purifying oxygen in the air;
the control module is used for controlling the amount of oxygen flowing into the tunnel face and the oxygen storage module;
the oxygen storage module is used for storing the oxygen purified by the oxygen generation module and supplying oxygen to the tunnel face;
the tunnel face oxygen supply module is used for releasing oxygen, monitoring the oxygen content of the tunnel face, controlling the oxygen amount of the oxygen generation module flowing into the tunnel face and controlling the oxygen amount of the oxygen storage module flowing into the tunnel face.
The invention discloses an intelligent oxygen supply system for tunnel faces of plateau regions, which comprises an oxygen generation module and a control module, wherein the oxygen generation module comprises:
the air supply unit is arranged at the inlet of the oxygen generation module and provides a source for oxygen purification;
the filtering unit is arranged inside the oxygen generation module, is connected with the air supply unit and is used for filtering impurities in the air;
the compression unit is arranged in the oxygen generation module, is connected with the outlet of the filtering unit and is used for compressing the air filtered by the filtering unit;
the cooling unit is arranged inside the oxygen generation module, is connected with the air outlet of the compression unit and is used for cooling the air passing through the compression unit;
the adsorption unit is arranged in the oxygen generation module, is connected with the outlet of the cooling unit and is used for adsorbing the air cooled by the cooling unit and adsorbing nitrogen in the air so as to purify oxygen;
and the first control unit is arranged on a pipeline connected with the cooling unit and the adsorption unit and used for controlling the air flow flowing into the adsorption unit.
The invention discloses an intelligent oxygen supply system for tunnel faces of tunnels in plateau areas, which comprises a control module and a control module, wherein the control module comprises:
the flow valve A is arranged in the control module and is connected with the outlet of the adsorption unit;
the flow valve B is arranged in the control module and is connected with the outlet of the adsorption unit;
the intelligent control unit A is arranged in the control module, is connected with the flow valve A and is used for controlling the opening degree of the flow valve A and adjusting the oxygen flow;
and the intelligent control unit B is arranged in the control module, is connected with the flow valve B and is used for controlling the opening degree of the flow valve B and adjusting the oxygen flow.
The invention relates to an intelligent oxygen supply system for tunnel faces of tunnels in plateau areas, which comprises an oxygen storage module and an oxygen supply module, wherein the oxygen storage module comprises:
the oxygen storage unit is connected with the flow valve B and used for storing the purified oxygen;
the pressure monitoring unit is connected with the oxygen storage unit and used for monitoring the oxygen pressure value in the oxygen storage unit;
the flow valve C is connected with an outlet of the oxygen absorption and storage unit;
and the intelligent control unit C is connected with the flow valve C and used for controlling the opening degree of the flow valve C and adjusting the oxygen flow.
The invention relates to an intelligent oxygen supply system for tunnel face in plateau area, wherein the oxygen supply module for tunnel face comprises:
the inlet of the oxygen release unit is connected with the flow valve A and the flow valve C and used for releasing oxygen on the tunnel face;
the monitoring unit is arranged near the tunnel face and used for monitoring the oxygen content of the tunnel face in real time;
and the user interface unit is connected with the monitoring unit and used for displaying the oxygen content of the tunnel face in real time.
According to the intelligent oxygen supply system for the tunnel face of the tunnel in the plateau area, the pressure monitoring unit is connected with the intelligent control unit B, and the intelligent control unit B can intelligently adjust the opening of the flow valve B according to the monitored pressure value in the oxygen storage unit so as to control the oxygen amount flowing into the oxygen storage unit.
According to the intelligent oxygen supply system for the tunnel face of the plateau area, disclosed by the invention, the user interface is connected with the intelligent control unit A, the user interface unit can send data to the intelligent control unit A according to the oxygen content and the construction requirement monitored by the monitoring unit, and the opening of the flow valve A is intelligently adjusted through the intelligent control unit A, so that the oxygen amount flowing into the oxygen release unit is controlled.
According to the intelligent oxygen supply system for the tunnel face of the plateau area, the user interface unit is connected with the intelligent control unit C, the user interface unit can send data to the intelligent control unit C according to the oxygen content monitored by the monitoring unit and construction requirements, the opening degree of the flow valve C is adjusted through the intelligent control unit C, and then the oxygen amount flowing into the oxygen release unit is controlled.
Compared with the prior art, the invention has the beneficial effects that:
firstly, the oxygen storage device can store oxygen exceeding the requirements of construction personnel, mechanical equipment and the like near the tunnel face, and avoids the problem of energy waste caused by oxygen production exceeding the actual requirements of the traditional oxygen generation system;
secondly, the invention can monitor the oxygen content near the tunnel face of the tunnel in real time, and transmit the data to the user interface end, the construction operator can know the oxygen content in real time visually, and formulate a professional construction scheme by combining the requirements of the construction operator and mechanical equipment on the oxygen content, thereby fully improving the operating efficiency of the operator and the machinery and providing great convenience for the efficient construction of the tunnel;
thirdly, the flow valve can be intelligently adjusted through the monitored pressure in the oxygen storage unit, the oxygen amount flowing into the oxygen storage unit is controlled, and the safety of the storage equipment is guaranteed;
fourthly, the invention can realize intelligent adjustment of oxygen release amount through the added user interface end and intelligent control function according to the monitored oxygen content and the real-time requirements of construction operators and mechanical equipment on oxygen, greatly improves oxygen supply efficiency, can fully meet the requirements of tunnel face construction on the oxygen content, and can also intelligently control the release of stored oxygen when the oxygen generation capacity can not meet the requirements temporarily, thereby ensuring the effective operation of construction operation.
Drawings
FIG. 1 is a block diagram of the present invention;
fig. 2 is a diagram of the patented site layout of the present invention.
In the drawings, the reference numbers: 1. an oxygen delivery tube; 2. an RS232 connecting line; 3. an oxygen hose; 4. an oxygen distribution panel; 5. a user interface unit; 6. an oxygen monitor; 7. a tunnel face; 8. RS232-USB connecting line.
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
Example 1
An intelligent dispersion oxygen supply system for a plateau tunnel face comprises an oxygen generation module, a control module, a storage module and a tunnel face oxygen supply module;
the oxygen generation module is connected with the control module through the oxygen delivery pipe 1, and the control module is connected with the oxygen storage module through the oxygen delivery pipe 1;
the pressure sensor in the oxygen storage module is connected with an intelligent control unit B in the control module through an RS232 connecting line 2, and the oxygen flow passing through the flow valve B is controlled through the intelligent control unit B;
the control module and the storage module deliver oxygen to the oxygen distribution panel 4 through the oxygen delivery hose 3 and release oxygen to the tunnel face 7 through the oxygen distribution panel 4;
an oxygen monitor 6 is configured on the tunnel face 7, and data monitored by the oxygen monitor 6 sends real-time oxygen content to the user interface unit 5 through an RS232-USB connecting line 8;
the user interface unit 5 can adjust the oxygen delivery volume according to the demand of construction operation personnel, mechanical equipment to oxygen to link to each other with intelligent control unit A and C among oxygen storage module and the control module through RS232 connecting wire 2, and then feed back the oxygen demand that sets up to control unit A and C in, and the oxygen content of oxygen flow intelligent regulation palm face 7 through controlling flow valve A and C.
Example 2
The oxygen storage module of the embodiment is installed near a tunnel face 7 of a tunnel, is used for purifying oxygen in air, and is connected with a flow valve A and a flow valve B of a control module through an oxygen conveying pipe 1, and the flow valve A and the flow valve B are respectively connected with an oxygen distribution panel 4 and an oxygen storage unit of the oxygen storage module through the oxygen conveying pipe 1 and an oxygen hose 3;
in the embodiment, the internal pressure monitoring unit of the oxygen storage module can monitor the oxygen pressure in the oxygen storage unit in real time and is connected to the intelligent control unit B in the control module through an RS232 connecting line, and when the oxygen pressure is close to the limit oxygen storage pressure of the oxygen storage unit, the intelligent control unit B intelligently adjusts the opening of the flow valve B so as to control the oxygen amount flowing into the oxygen storage unit;
in the embodiment, the oxygen distribution panels 4 are arranged near the tunnel face in two rows and communicated with each other through the oxygen hose 3, the width of each oxygen distribution panel 4 is about 2m, the height of each oxygen distribution panel can be customized according to the size of the tunnel, the oxygen distribution panels are provided with a plurality of oxygen distribution holes, the distance between the distribution holes is 100-500 mm, the diameter of each oxygen distribution hole is 0.1-5 mm, and oxygen passing through the oxygen distribution panels 4 is supplied to the tunnel face 7 in a dispersing manner through the oxygen distribution holes;
in the embodiment, the monitoring unit configured on the tunnel face 7 is an oxygen monitor 6, real-time oxygen content data of the tunnel face 7 monitored by the oxygen monitor 6 is transmitted to the user interface unit 5 through an RS232-USB connection line 8, and the user interface unit 5 displays the current oxygen content through an LED screen arranged in the user interface unit 5;
the user interface unit 5 is provided with an oxygen content alarm function, when the monitored oxygen content is lower than the target oxygen demand content set by construction operators, red light configured by the user interface unit 5 starts to flash at a frequency of 180 times/minute, and is used for reminding the construction operators to pay attention to the oxygen content of the tunnel face 7;
the user interface unit 5 has an interactive and intelligent adjusting function, construction operators can set target oxygen amount according to oxygen requirements of operation and mechanical equipment, the target oxygen amount data is transmitted to an intelligent control unit A in a control module through an RS232 connecting line 2, and the intelligent control unit A controls the oxygen content input into a tunnel face 7 through the opening degree of a regulating flow valve A;
in this embodiment, the user interface unit 5 may further send a signal to the intelligent control unit C in the oxygen storage module through the RS232 connection line 2, and adjust the opening degree of the flow valve C through the intelligent control unit C, thereby controlling the content of oxygen flowing into the tunnel face 7.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (8)
1. The utility model provides a plateau district tunnel face intelligence oxygen system which characterized in that includes:
the oxygen generation module is arranged near the tunnel face of the tunnel and used for purifying oxygen in the air;
the control module is used for controlling the amount of oxygen flowing into the tunnel face and the oxygen storage module;
the oxygen storage module is used for storing the oxygen purified by the oxygen generation module and supplying oxygen to the tunnel face;
the tunnel face oxygen supply module is used for releasing oxygen, monitoring the oxygen content of the tunnel face, controlling the oxygen amount of the oxygen generation module flowing into the tunnel face and controlling the oxygen amount of the oxygen storage module flowing into the tunnel face.
2. The intelligent oxygen supply system for tunnel face of plateau area as claimed in claim 1, wherein the oxygen generation module comprises:
the air supply unit is arranged at the inlet of the oxygen generation module and provides a source for oxygen purification;
the filtering unit is arranged inside the oxygen generation module, is connected with the air supply unit and is used for filtering impurities in the air;
the compression unit is arranged in the oxygen generation module, is connected with the outlet of the filtering unit and is used for compressing the air filtered by the filtering unit;
the cooling unit is arranged inside the oxygen generation module, is connected with the air outlet of the compression unit and is used for cooling the air passing through the compression unit;
the adsorption unit is arranged in the oxygen generation module, is connected with the outlet of the cooling unit and is used for adsorbing the air cooled by the cooling unit and adsorbing nitrogen in the air so as to purify oxygen;
and the first control unit is arranged on a pipeline connected with the cooling unit and the adsorption unit and used for controlling the air flow flowing into the adsorption unit.
3. The intelligent oxygen supply system for tunnel face of plateau area as claimed in claim 2, wherein said control module comprises:
the flow valve A is arranged in the control module and is connected with the outlet of the adsorption unit;
the flow valve B is arranged in the control module and is connected with the outlet of the adsorption unit;
the intelligent control unit A is arranged in the control module, is connected with the flow valve A and is used for controlling the opening degree of the flow valve A and adjusting the oxygen flow;
and the intelligent control unit B is arranged in the control module, is connected with the flow valve B and is used for controlling the opening degree of the flow valve B and adjusting the oxygen flow.
4. The intelligent oxygen supply system for tunnel face of plateau area as claimed in claim 3, wherein said oxygen storage module comprises:
the oxygen storage unit is connected with the flow valve B and used for storing the purified oxygen;
the pressure monitoring unit is connected with the oxygen storage unit and used for monitoring the oxygen pressure value in the oxygen storage unit;
the flow valve C is connected with an outlet of the oxygen absorption and storage unit;
and the intelligent control unit C is connected with the flow valve C and used for controlling the opening degree of the flow valve C and adjusting the oxygen flow.
5. The intelligent oxygen supply system for tunnel face of plateau area as claimed in claim 4, wherein said tunnel face oxygen supply module comprises:
the inlet of the oxygen release unit is connected with the flow valve A and the flow valve C and used for releasing oxygen on the tunnel face;
the monitoring unit is arranged near the tunnel face and used for monitoring the oxygen content of the tunnel face in real time;
and the user interface unit is connected with the monitoring unit and used for displaying the oxygen content of the tunnel face in real time.
6. The system as claimed in claim 5, wherein the pressure monitoring unit is connected to an intelligent control unit B, and the intelligent control unit B can intelligently adjust the opening of the flow valve B according to the monitored pressure value in the oxygen storage unit, so as to control the amount of oxygen flowing into the oxygen storage unit.
7. The system of claim 6, wherein the user interface is connected to the intelligent control unit A, and the user interface unit sends data to the intelligent control unit A according to the oxygen content and construction requirements monitored by the monitoring unit, and controls the amount of oxygen flowing into the oxygen release unit by intelligently adjusting the opening of the flow valve A through the intelligent control unit A.
8. The system of claim 7, wherein the user interface unit is connected to the intelligent control unit C, the user interface unit sends data to the intelligent control unit C according to the oxygen content monitored by the monitoring unit and construction requirements, and the intelligent control unit C adjusts the opening of the flow valve C to control the amount of oxygen flowing into the oxygen release unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377007.5A CN112922659A (en) | 2021-04-08 | 2021-04-08 | Intelligent oxygen supply system for tunnel face of plateau area |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110377007.5A CN112922659A (en) | 2021-04-08 | 2021-04-08 | Intelligent oxygen supply system for tunnel face of plateau area |
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| Publication Number | Publication Date |
|---|---|
| CN112922659A true CN112922659A (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110377007.5A Pending CN112922659A (en) | 2021-04-08 | 2021-04-08 | Intelligent oxygen supply system for tunnel face of plateau area |
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| Country | Link |
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| CN (1) | CN112922659A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518311A (en) * | 2022-06-09 | 2022-12-27 | 韩玉凤 | Ore tunnel is with apparatus of oxygen supply that has oxygen concentration detection function |
-
2021
- 2021-04-08 CN CN202110377007.5A patent/CN112922659A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115518311A (en) * | 2022-06-09 | 2022-12-27 | 韩玉凤 | Ore tunnel is with apparatus of oxygen supply that has oxygen concentration detection function |
| CN115518311B (en) * | 2022-06-09 | 2023-10-10 | 重庆丰瀚建设工程有限公司 | Oxygen supply device with oxygen concentration detection function for ore tunnel |
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