CN111561340A - Efficient tunnel cooling car - Google Patents
Efficient tunnel cooling car Download PDFInfo
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- CN111561340A CN111561340A CN202010455491.4A CN202010455491A CN111561340A CN 111561340 A CN111561340 A CN 111561340A CN 202010455491 A CN202010455491 A CN 202010455491A CN 111561340 A CN111561340 A CN 111561340A
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- 238000001816 cooling Methods 0.000 title claims abstract description 79
- 239000007788 liquid Substances 0.000 claims abstract description 83
- 239000010720 hydraulic oil Substances 0.000 claims description 6
- 230000007246 mechanism Effects 0.000 claims description 4
- 238000004804 winding Methods 0.000 claims description 4
- 238000005452 bending Methods 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 26
- 230000000694 effects Effects 0.000 abstract description 10
- 238000003756 stirring Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 6
- 239000011295 pitch Substances 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005399 mechanical ventilation Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 235000008708 Morus alba Nutrition 0.000 description 1
- 240000000249 Morus alba Species 0.000 description 1
- 230000002528 anti-freeze Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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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
- E21F3/00—Cooling or drying of air
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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
- E21F1/00—Ventilation of mines or tunnels; Distribution of ventilating currents
- E21F1/003—Ventilation of traffic tunnels
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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)
Abstract
The invention relates to a high-efficiency tunnel cooling vehicle which comprises a carrying vehicle, and a jet fan, two cold air grids, a liquid supply pipe, a liquid return pipe, a circulating pump, a heat exchanger and a closed refrigerator which are assembled on the carrying vehicle; the precooling air grid of the air grid and the spiral conical surface of the two cold air grids are arranged in a connected structure, and the circulating pump drives the heat exchange liquid to continuously flow in a unidirectional circulation mode along the liquid outlet end of the heat exchanger, the liquid supply pipe, the circulating pump, the liquid supply pipe, the liquid inlet end of the two cold air grids, the precooling air grid, the liquid outlet end of the precooling air grid, the liquid return pipe, the liquid inlet end of the heat exchanger and the interior of the heat exchanger. Can carry out high-efficient low wetland to high temperature air and carry out precooling, fast cold processing, and under the direction of the helical pipeline of air grid air can its inside produce the whirl that has high-efficient stirring effect when passing through this air grid for the air can be evenly, high-efficient and give the air grid with heat transfer comprehensively and for the high-efficient cooling of air, does not produce the liquid fog and keeps the original humidity of construction environment, and the cooling effect is obvious.
Description
Technical Field
The invention relates to the field of tunnel cooling equipment, in particular to a tunnel cooling and ventilating device with low-humidity air supply.
Background
The construction engineering of the tunnel is often encountered in the construction process of the railway and the highway, and the construction environment temperature is high (the rock temperature of the zang railway mulberry mountain tunnel with the highest rock temperature is 81.9 ℃) because the rock temperature is high in the construction of the tunnel. When the construction temperature is higher than 28 ℃ of the air temperature in the tunnel specified in the railway tunnel construction Specification TB10120-2002, the high ground temperature thermal hazard of the tunnel causes the reduction of the labor capacity of constructors, the health influence is large, the incidence rate of altitude diseases is greatly improved, the failure rate of mechanical equipment is obviously increased, and the construction efficiency is seriously reduced. Therefore, construction cooling in a high-temperature tunnel environment is necessary. The traditional cooling mode is to strengthen mechanical ventilation, or to adopt spraying equipment to cool by liquid mist, or to directly place ice blocks in the working environment. However, the mechanical ventilation is enhanced, the air volume and the air speed for pressing in are greatly improved, the difficulty is great, the cooling effect is very limited, and the operation cost is high; the spraying equipment is adopted to cool by using liquid fog, so that the interior of the hole is in a high-humidity state, the health of construction personnel is damaged, and the normal use of the construction equipment is influenced; the ice blocks are directly placed in the working environment, the temperature is reduced by 3-5 ℃ within 3.5m around the ice blocks, the temperature reduction is low, and the temperature reduction effect is not obvious.
Disclosure of Invention
The invention provides a high-efficiency tunnel cooling vehicle, which aims to solve the problems that the conventional tunnel cooling device is low in heat exchange efficiency and cooling efficiency, the environment humidity is greatly improved in the cooling process, the labor force and the health of construction personnel are influenced, and the high-efficiency operation of construction equipment is influenced.
The invention adopts the following technical scheme:
the high-efficiency tunnel cooling vehicle comprises a carrying vehicle, and a jet fan, an air grid, a liquid supply pipe, a liquid return pipe, a circulating pump, a heat exchanger and a closed refrigerator which are assembled on the carrying vehicle. The air grid comprises a precooling air grid and two cold air grids, the precooling air grid and the two cold air grids are conical structures formed by spirally bending and surrounding a single pipeline, and the liquid outlet ends of the two cold air grids are communicated and fixedly connected with the liquid inlet end of the precooling air grid into a whole. The two cold air grids are fixedly arranged inside the air inlet end of the jet flow fan, and the conical tops of the two cold air grids extend along the jet flow direction of the jet flow fan. The precooling air grid is arranged on the air inlet end face of the jet flow fan, and the conical top of the precooling air grid extends along the direction deviating from the jet flow fan. The air is driven by the jet flow fan to pass through the precooling air grid, the secondary precooling air grid and the jet flow fan in sequence and is obliquely jetted to the high position of the tunnel. The heat exchanger is arranged in the closed refrigerator, and a cold source is filled in the closed refrigerator. The liquid outlet end of the heat exchanger, the circulating pump and the liquid inlet ends of the two cold air grids are communicated through the liquid supply pipe in sequence, and the liquid outlet end of the pre-cooling air grid is communicated with the liquid inlet end of the heat exchanger through a liquid return pipeline. The circulating pump drives the heat exchange liquid to continuously flow in a unidirectional circulation manner along the liquid outlet end, the liquid supply pipe, the circulating pump, the liquid supply pipe, the liquid inlet end of the two cold air grids, the pre-cooling air grid, the liquid outlet end of the pre-cooling air grid, the liquid return pipe, the liquid inlet end of the heat exchanger and the interior of the heat exchanger.
In a further improvement, the spiral pipeline of the two cold air grids is arranged between spiral gaps projected by the two cold air grids along the jet flow direction.
In a further improvement, a blower mechanism is arranged in the jet fan and is arranged at the front end of the two cold air grids along the jet direction.
Further improve ground, be equipped with the cold source pond in the above-mentioned closed freezer, the one end of cold source pond neighbouring above-mentioned efflux fan is located to above-mentioned heat exchanger, and closed freezer is equipped with the cold source feed inlet, and the one end that this efflux fan was kept away from in this cold source pond is located to the cold source feed inlet.
In a further improved mode, the bottom of the cold source pool is downwards inclined and extends from one end where the cold source feeding hole is located to one end where the heat exchanger is located.
In a further improvement, the heat exchanger is formed by a single pipe body which is formed by winding along the inner wall of the closed freezer, and the cross section of the pipe body is of a rectangular structure of 35-55 mm multiplied by 9-15 mm.
In a further improvement mode, the cross sections of the pipelines of the secondary cooling air grid and the pre-cooling air grid are both in a rectangular structure of 105-225 mm multiplied by 3-5 mm, the thread pitch of the secondary cooling air grid is 30-55 mm, and the thread pitch of the pre-cooling air grid is 42-58 mm.
In a further improvement, the liquid inlet end of the two cold air grids is arranged at the center of the spiral, and the liquid outlet end of the two cold air grids is arranged at the center of the spiral.
In a further improvement mode, the jet direction of the jet fan forms an included angle of 28-63 degrees with the horizontal plane. The rear end of the jet fan is rotatably assembled on the carrier loader through a fixed seat fixed shaft, the front end of the jet fan is provided with a hydraulic oil cylinder, and the hydraulic oil cylinder is used for driving the front end of the jet fan to move up and down.
From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages: the cooling vehicle disclosed by the invention is simple in structure and convenient to move, and through the connected structure arrangement of the pre-cooling air grid of the air grid and the spiral conical surfaces of the two cold air grids, high-efficiency low-wetland pre-cooling and quick-cooling treatment can be carried out on high-temperature air entering the construction environment of the jet fan, and rotational flow with a high-efficiency stirring effect can be generated in the air when the air passes through the air grid under the guidance of the spiral pipeline of the air grid, so that the air can uniformly, efficiently and comprehensively transfer heat to the air grid, and low-humidity cold air with lower temperature is obtained, thereby providing a more efficient cooling function for the tunnel construction environment. In addition, the cooling vehicle has the advantages of convenient operation, low cost and high success rate, the air cooled by the jet fan is not sprayed, the original humidity of the construction environment is kept without generating liquid fog, the cooling speed is high in the space range of 3-14 meters taking the device as the center, the cooling effect is obvious, a proper construction environment meeting the standard can be rapidly and continuously provided, the high-temperature tunnel is efficiently cooled without generating liquid fog, the construction efficiency is improved, and the cooling vehicle can be widely applied to the construction cooling in the high-temperature tunnel of railways, highways, municipal works and liquid mines.
Drawings
Fig. 1 is a schematic right-view structural diagram of the cooling vehicle of the present invention and a partially enlarged view thereof.
Fig. 2 is a schematic front view of the air grid according to the present invention and a partial enlarged view thereof.
Detailed Description
The following describes embodiments of the present invention with reference to the drawings.
Referring to fig. 1 and 2, the high-efficiency tunnel cooling vehicle of the embodiment includes a carrying vehicle 1, and a jet fan 2, an air grid 3, a liquid supply pipe 4, a liquid return pipe 5, a circulating pump 6, a heat exchanger 7 and a closed refrigerator 8 which are assembled on the carrying vehicle 1.
The air grid 3 comprises a precooling air grid 31 and two precooling air grids 32, the precooling air grid 31 and the two precooling air grids 32 are both conical surface structures formed by spirally bending and surrounding a single pipeline, and the liquid outlet ends of the two precooling air grids 32 are communicated and fixedly connected with the liquid inlet end of the precooling air grid 31 into a whole. The two cold air grids 32 are fixedly arranged inside the air inlet end of the jet flow fan 2, and the conical tops of the two cold air grids 32 extend along the jet flow direction of the jet flow fan 2. The jet fan 2 is provided with an air blowing mechanism 21 therein, and the air blowing mechanism 21 is provided at the front end of the two cold air grids 32 in the jet direction. The precooling air grid 31 is arranged on the air inlet end face of the jet flow fan 2, and the conical top of the precooling air grid 31 extends along the direction deviating from the jet flow fan 2. The air is driven by the jet flow fan 2 to pass through the pre-cooling air grid 31, the secondary cooling air grid 32 and the jet flow fan 2 in sequence and then is obliquely emitted to the high position of the tunnel. Preferably, the spiral duct of the second cold air grid 32 is arranged between spiral gaps projected along the jet flow direction by the pre-cold air grid 31; this structure setting has effectual redirecting and water conservancy diversion effect to the flow direction of the air through precooling air grid 31 and two cold air grids 32 for the air forms the whirl effect of certain degree, is favorable to improving the cooling efficiency of air.
The heat exchanger 7 is arranged in the closed refrigerator 8, and a cold source is filled in the closed refrigerator 8, wherein the cold source is preferably ice blocks which are easy to prepare and low in cost; the heat exchange liquid circulating is preferably conventional antifreeze liquid, so that the heat exchange liquid can avoid blockage caused by low-temperature icing when flowing in the closed refrigerator 8. The liquid outlet end of the heat exchanger 7, the circulating pump 6 and the liquid inlet end of the two cold air grids 32 are sequentially communicated through the liquid supply pipe 4, and the liquid outlet end of the pre-cooling air grid 31 is communicated with the liquid inlet end of the heat exchanger 7 through the liquid return pipe 5.
Be equipped with cold source pond 80 in the above-mentioned closed freezer 8, above-mentioned heat exchanger 7 is located the one end that cold source pond 80 is close to above-mentioned efflux fan 2, and closed freezer 8 is equipped with cold source feed inlet 81, and cold source feed inlet 81 is located the one end that this cold source pond 80 kept away from this efflux fan 2. The bottom of the cold source tank 80 preferably extends downwards from the end where the cold source feed port 81 is located to the end where the heat exchanger 7 is located, as shown in fig. 1; this slope sets up, and what had been favorable to the cold source to be added by feed inlet 81 can be automatic moves to heat exchanger 7 one end, also makes the focus of this cooling car shift to central direction, is favorable to the delivery of cooling car more steady.
The circulating pump 6 drives the heat exchange liquid to continuously and circularly flow along the liquid outlet end of the heat exchanger 7, the liquid supply pipe 4, the circulating pump 6, the liquid supply pipe 4, the liquid inlet end 321 of the secondary cold air grid 32, the pre-cooling air grid 31, the liquid outlet end 311 of the pre-cooling air grid 31, the liquid return pipe 5, the liquid inlet end of the heat exchanger 7 and the inside of the heat exchanger 7 in a unidirectional way. The flow direction of the heat exchange liquid is shown as the solid arrows in fig. 1 and 2. While the heat-exchange fluid may be configured as readily available and inexpensive water, the continuous circulation flow arrangement is effective to reduce the probability of water being frozen into ice as it flows within the enclosed cooler 8.
The heat exchanger 7 is formed by a single pipe body which is formed by winding along the inner wall of the closed refrigerator 8, and the cross section of the pipe body is of a rectangular structure of 35-55 mm multiplied by 9-15 mm. The cross sections of the pipelines of the two cold air grids 32 and the pre-cooling air grid 31 are both rectangular structures with the diameters of 105-225 mm multiplied by 3-5 mm, the thread pitches of the two cold air grids 32 are both 30-55 mm, and the thread pitches of the pre-cooling air grid 31 are both 42-58 mm. The liquid inlet end of the two cold air grids 32 is arranged at the center of the spiral, and the liquid outlet end of the pre-cooling air grid 31 is arranged at the center of the spiral. The temperature of the center of the two cold air grids 32 is lower, so that the air passing through the center and concentrated more can be subjected to efficient heat exchange, and the heat exchange efficiency is improved. The cross section of the pipeline is of a rectangular structure with the size of 105-225 mm multiplied by 3-5 mm, and preferably, the size of the cross section is 105mm multiplied by 3mm, 105mm multiplied by 5mm, 165mm multiplied by 3mm or 225mm multiplied by 3 mm. The heat exchanger 7 is formed by a single pipe body which is formed by winding along the inner wall of the closed refrigerator 8, the cross section of the flow passage of the pipe body is of a rectangular structure with the size of 35-55 mm multiplied by 9-15 mm, and the size of the cross section of the two cold air grid 32 pipelines are preferably 35 multiplied by 9mm, 35mm multiplied by 15mm, 55mm multiplied by 9mm or 55mm multiplied by 15mm in a one-to-one correspondence mode. This two cold air grids 32's helical structure sets up and makes it make easily, and the setting of the screw thread interval of flat cross section and little interval has improved the area of contact of air and two cold air grids 32, effectively improves the cooling efficiency of air for the air temperature through two cold air grids 32 is lower, effectively improves the device's cooling efficiency.
The jet direction of the jet fan 2 forms an included angle of 28-63 degrees with the horizontal plane. The rear end of the jet fan 2 is rotatably assembled on the carrier loader 1 through a fixed seat fixed shaft, the front end of the jet fan 2 is provided with a hydraulic oil cylinder 9, and the hydraulic oil cylinder 9 is used for driving the front end of the jet fan 2 to move up and down. The jet angle of the jet fan 2 can be adjusted according to construction environment and conditions, so that the applicability of construction environment and actual cooling requirements of a cooling fleet is well improved.
The cooling vehicle disclosed by the invention is simple in structure and convenient to move, and through the integrated structure arrangement of the spiral conical surfaces of the pre-cooling air grid 31 and the secondary cooling air grid 32 of the air grid 3, high-efficiency low-humidity air entering the construction environment of the jet fan 2 can be pre-cooled and rapidly cooled in a pre-cooling manner, and high-temperature air can be subjected to high-efficiency low-humidity air cooling treatment, and a rotational flow with a high-efficiency stirring effect can be generated in the air when the air passes through the air grid 3 under the guidance of a spiral pipeline of the air grid 3, so that the air can uniformly, efficiently and comprehensively transfer heat to the air grid 3, and low-humidity cold air with lower temperature is obtained, and a more efficient cooling function. In addition, this cooling car still has the simple operation, and is with low costs, and the success rate is high, through the air cooling after the jet fan 2 jet cooling, do not produce the liquid fog and keep the original humidity of construction environment, the cooling rate is fast in the space range of 3 ~ 14 meters of the device as the center, the cooling effect is obvious, can provide a suitable construction environment that accords with the standard fast and continuously, can realize that high temperature tunnel does not produce the liquid fog and carry out high-efficient cooling, construction efficiency has been improved, can extensively be used for railway, highway, municipal administration, liquid profit, the interior construction cooling in the hole of mine engineering high temperature tunnel.
The above description is only an embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by using the design concept should fall within the scope of infringing the present invention.
Claims (10)
1. The high-efficiency tunnel cooling vehicle comprises a carrying vehicle, and a jet fan, an air grid, a liquid supply pipe, a liquid return pipe, a circulating pump, a heat exchanger and a closed refrigerator which are assembled on the carrying vehicle; the method is characterized in that:
the air grid comprises a precooling air grid and two cold air grids, the precooling air grid and the two cold air grids are conical structures formed by spirally bending and surrounding a single pipeline, and liquid outlet ends of the two cold air grids are communicated and fixedly connected with a liquid inlet end of the precooling air grid into a whole; the two cold air grids are fixedly arranged inside the air inlet end of the jet flow fan, and the conical tops of the two cold air grids extend along the jet flow direction of the jet flow fan; the precooling air grid is arranged on the air inlet end face of the jet flow fan, and the conical top of the precooling air grid extends along the direction deviating from the jet flow fan;
the air is driven by the jet flow fan to pass through the precooling air grids, the secondary precooling air grids and the jet flow fan in sequence and is obliquely emitted to the high position of the tunnel;
the heat exchanger is arranged in the closed refrigerator, and a cold source is filled in the closed refrigerator;
the liquid outlet end of the heat exchanger, the circulating pump and the liquid inlet ends of the two cold air grids are communicated through the liquid supply pipe in sequence, and the liquid outlet end of the pre-cooling air grid is communicated with the liquid inlet end of the heat exchanger through a liquid return pipeline;
the circulating pump drives the heat exchange liquid to continuously flow in a unidirectional circulation manner along the liquid outlet end, the liquid supply pipe, the circulating pump, the liquid supply pipe, the liquid inlet end of the two cold air grids, the pre-cooling air grid, the liquid outlet end of the pre-cooling air grid, the liquid return pipe, the liquid inlet end of the heat exchanger and the interior of the heat exchanger.
2. The high efficiency tunnel cooling vehicle of claim 1, further comprising: and the spiral pipelines of the two cold air grids are arranged between spiral gaps projected by the two cold air grids along the jet flow direction.
3. The high efficiency tunnel cooling vehicle of claim 2, wherein: and a blowing mechanism is arranged in the jet fan and is arranged at the front end of the two cold air grids along the jet direction.
4. The high efficiency tunnel cooling vehicle of claim 3, wherein: the closed refrigerator is internally provided with a cold source pool, the heat exchanger is arranged at the position close to the cold source pool, one end of the jet fan is arranged at the closed refrigerator, and a cold source feed port is arranged at one end, far away from the jet fan, of the cold source pool.
5. The high efficiency tunnel cooling vehicle of claim 4, wherein: the cold source pool bottom is inclined downwards and extends from one end where the cold source feed inlet is located to one end where the heat exchanger is located.
6. The high efficiency tunnel cooling vehicle of claim 3, wherein: the heat exchanger is formed by a single pipe body which is formed by winding along the inner wall of the closed refrigerator in a tortuous mode, and the cross section of the pipe body is of a rectangular structure with the size of 35-55 mm multiplied by 9-15 mm.
7. The high efficiency tunnel cooling vehicle of claim 6, wherein: the cross sections of the secondary cooling air grid and the pipeline of the secondary cooling air grid are both in a rectangular structure of 105-225 mm multiplied by 3-5 mm, the thread pitch of the secondary cooling air grid is 30-55 mm, and the thread pitch of the secondary cooling air grid is 42-58 mm.
8. The high efficiency tunnel cooling vehicle of claim 7, wherein: the liquid inlet ends of the two cold air grids are arranged at the center of the spiral, and the liquid outlet ends of the two cold air grids are arranged at the center of the spiral.
9. The high efficiency tunnel cooling vehicle of claim 2, wherein: the jet flow direction of the jet flow fan forms an included angle of 28-63 degrees with the horizontal plane.
10. The high efficiency tunnel cooling vehicle of claim 9, wherein: the rear end of the jet flow fan is rotatably assembled on the carrier loader through a fixed seat fixed shaft, the front end of the jet flow fan is provided with a hydraulic oil cylinder, and the hydraulic oil cylinder is used for driving the front end of the jet flow fan to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455491.4A CN111561340A (en) | 2020-05-26 | 2020-05-26 | Efficient tunnel cooling car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010455491.4A CN111561340A (en) | 2020-05-26 | 2020-05-26 | Efficient tunnel cooling car |
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| Publication Number | Publication Date |
|---|---|
| CN111561340A true CN111561340A (en) | 2020-08-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010455491.4A Pending CN111561340A (en) | 2020-05-26 | 2020-05-26 | Efficient tunnel cooling car |
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| CN (1) | CN111561340A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010072B (en) * | 2012-10-26 | 2015-04-29 | 江苏兆胜空调有限公司 | Movable liquid cooling vehicle and cooling method thereof |
| CN204609926U (en) * | 2015-05-12 | 2015-09-02 | 广州冰泉制冷设备有限责任公司 | A kind of novel mine heat abstractor |
| CN205037788U (en) * | 2015-10-21 | 2016-02-17 | 安徽理工大学 | Spiral fusiformis heat exchanger |
| WO2018220343A1 (en) * | 2017-06-01 | 2018-12-06 | Transport For London | Heat exchanger with forced air flow |
-
2020
- 2020-05-26 CN CN202010455491.4A patent/CN111561340A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103010072B (en) * | 2012-10-26 | 2015-04-29 | 江苏兆胜空调有限公司 | Movable liquid cooling vehicle and cooling method thereof |
| CN204609926U (en) * | 2015-05-12 | 2015-09-02 | 广州冰泉制冷设备有限责任公司 | A kind of novel mine heat abstractor |
| CN205037788U (en) * | 2015-10-21 | 2016-02-17 | 安徽理工大学 | Spiral fusiformis heat exchanger |
| WO2018220343A1 (en) * | 2017-06-01 | 2018-12-06 | Transport For London | Heat exchanger with forced air flow |
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Application publication date: 20200821 |