CN209619770U - Liquid gas self-circulation type rail cooling device - Google Patents
Liquid gas self-circulation type rail cooling device Download PDFInfo
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- CN209619770U CN209619770U CN201821991431.9U CN201821991431U CN209619770U CN 209619770 U CN209619770 U CN 209619770U CN 201821991431 U CN201821991431 U CN 201821991431U CN 209619770 U CN209619770 U CN 209619770U
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- Prior art keywords
- heat
- cooling device
- liquid gas
- liquid
- rail
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Abstract
The utility model discloses a kind of liquid gas self-circulation type rail cooling devices, it is characterized in that the cooling device includes heat collector and condenser, the heat-conducting liquid that boiling point is lower than rail temperature peak value is stored in the heat collector, the condenser includes reservoir and reflux vessel, is connected between the heat collector and the condenser by connecting conduit to constitute liquid gas circulation loop.The utility model has the advantages that: using inhaling thermal property in liquid gas conversion process, the partial heat of rail is absorbed and stored by device, and outwardly discharge the heat of storage in the low temperature period, to reduce the accumulation of the rail internal temperature stress of high temperature period；And design is scientific and reasonable, it can be achieved that heat absorption-heat release-heat absorption liquid gas self-loopa for apparatus structure.
Description
Technical field
The utility model relates to railway maintenance engineering device technique fields, and in particular to a kind of liquid gas self-circulation type rail cooling dress
It sets.
Background technique
Currently, many rail facilities including railway track are all Steel materials, the Steel material when ambient temperature increases
It is easy to produce the excessive buildup of temperature stress, especially summer high temperature period, rail facility enters the expansion rail track high-incidence season, seamless
When railway heating is larger, huge temperature stress is accumulated inside rail, it is more likely that cause track displacement to deform, ought especially have
When train passes through, so that temperature rising becomes apparent, this has seriously affected traffic safety for the friction of wheel and track.But now simultaneously
There is not preferable method to solve this technical problem.
Summary of the invention
The purpose of this utility model is to provide a kind of liquid gas self-circulation type steel according in place of above-mentioned the deficiencies in the prior art
Rail cooling device, the cooling device include heat collector and condenser, and acquiring the heat on rail by heat collector makes liquid therein
Evacuator body is gas, then again to heat collector after condenser is cooling, to realize the cooling to rail.
The utility model aim realization is completed by following technical scheme:
A kind of liquid gas self-circulation type rail cooling device, it is characterised in that the cooling device includes heat collector and condensation
Device stores the heat-conducting liquid that boiling point is lower than rail temperature peak value in the heat collector, and the condenser includes that heat accumulating is filled out
Layer, spiral cold-finger and reflux vessel are filled, is connected between the heat collector and the condenser by connecting conduit to constitute
Liquid gas self circular loop.
Heat accumulating is filled in the heat accumulating filled layer, the spiral cold-finger is connected with the reflux vessel
It sets in the heat accumulating filled layer, automatically controlled ventilation blade is provided with by the reflux vessel.
The heat accumulating is phase transformation ice crystal sand material.
The connecting conduit includes gas-guide tube and catheter, and one end of the gas-guide tube and the gas-guide tube of the heat collector connect
Mouth connection, the other end are connect with the collection port of the spiral cold-finger, and the output end of the spiral cold-finger and the reflux are held
The input terminal of device connects, and one end of the catheter connect with the drain interface tube of the heat collector, the other end and the reflux
The liquid separating port of container connects.
Air blow check valve is provided in the gas-guide tube, the Air blow check valve two sides are provided with pumping rubber mouth, institute
Air guide tube outer surface is stated coated with heat insulating coat.
Rubber check valve is provided in the catheter, the drain tube outer surface is coated with heat insulating coat.
The heat collector is fitted at the web of the rail of rail by adhesives or magnetic material.
Heat-conducting layer is provided on the binding face of the heat collector and the web of the rail.
Heat insulating coat is coated on the non-binding face of the heat collector and the web of the rail.
The heat-conducting liquid identical with liquid level in the heat collector is stored in the reflux vessel, it is described thermally conductive
The ethanol solution that liquid is 95%.
The utility model has the advantages that: (1) by using in liquid gas conversion process inhale thermal property, by heat collector by steel
The partial heat of rail is absorbed and is stored, and outwardly discharges the heat of storage in the low temperature period, thus when reducing high temperature
The accumulation of the rail internal temperature stress of section；(2) design is scientific and reasonable, it can be achieved that heat absorption-heat release-heat absorption liquid gas for apparatus structure
Self-loopa.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of liquid gas self-circulation type rail cooling device in the utility model.
Fig. 2 is the schematic diagram of the section structure of heat collector in the utility model.
Fig. 3 is the structural schematic diagram of heat collector and web of the rail binding face in the utility model.
Fig. 4 is the structural schematic diagram of the non-binding face of heat collector in the utility model.
Fig. 5 is the structural schematic diagram of condenser in the utility model.
Fig. 6 is the structural schematic diagram of gas-guide tube in the utility model.
Fig. 7 is the structural schematic diagram of catheter in the utility model.
Specific embodiment
The feature of the utility model and other correlated characteristics are made further specifically by embodiment below in conjunction with attached drawing
It is bright, in order to the understanding of technical staff of the same trade:
Such as Fig. 1, label 1-20 is respectively as follows: gas-guide tube 1, heat collector 2, heat-conducting liquid 3, catheter 4, condenser 5, electricity in figure
Control ventilation blade 6, air guide interface tube 7, heat conductive graphite piece 8, aluminium alloy plate 9, PVC harden plate 10, drain interface tube 11, neodium magnet
12, rubber mouth 13, Air blow check valve 14, rubber flap check valve 15, heat accumulating filled layer 16, liquid separating port 17, gas collection are evacuated
Mouth 18, spiral cold-finger 19, reflux vessel 20.
Embodiment: as shown in figs. 1-7, the present embodiment is specifically related to a kind of liquid gas self-circulation type rail cooling device, the drop
Warm device includes heat collector 2 and condenser 5, and heat collector 2 is fitted in the waist of rail, and by gas-guide tube 1 and catheter 4 with it is cold
Condenser 5 is connected, and heat-conducting liquid 3 is stored in device.Device, which acquires the heat on rail by heat collector 2, makes conductive fluid therein
Body 3 is vaporizated into gas, and then flow back after condenser 5 carries out cooling collector again, to realize the cooling to rail.
As in Figure 2-4, the heat collector 2 in the present embodiment includes heat conductive graphite piece 8, aluminium alloy plate 9, PVC hardening plate 10
With neodium magnet 12, heat collector 2 is adapted with the shape of rail waist, and is fitted in steel by adhesives or the connection of magnetic material
Heat collector since rail is ferrous material, therefore is directly adsorbed on rail using neodium magnet 12 in the present embodiment by the waist of rail
Waist, so that the handling of heat collector are more convenient, it is excellent to be provided with heating conduction on binding face of the heat collector with rail waist
Heat-conducting layer, by reasonably select binding face area, can effectively increase heat collector to the absorption efficiency of rail heat, this implementation
Heat-conducting layer specifically selects heat conductive graphite piece 8 and aluminium alloy plate 9 in example；The internal reservoir of heat collector 2 has leading for certain liquid height
Hot liquid 3, and there are certain remaining space, heat-conducting liquid 3 be used to absorb by the heat-conducting layer of binding face be conducted through come steel
Waste heat on rail, since the temperature of rail has certain peak value, therefore the boiling point of the portion's environment in the device of heat-conducting liquid 3 is answered
At least below the temperature peak of rail, it is ensured that heat-conducting liquid 3 can vaporize after absorbing certain heat, heat absorption when being vaporized using liquid
Characteristic realize heat transfer, furthermore the selection of heat-conducting liquid 3 should comprehensively consider the correlation properties of liquid, as specific heat capacity,
The factors such as density, chemical property and cost, accordingly in the present embodiment heat-conducting liquid 3 specifically select 95% ethanol solution, pass through
Its vaporization of absorbing heat, participates in during liquid gas self-loopa.In heat collector 2 not in contact with being also coated on face of the fitting with rail waist
There is good heat insulation to be avoided thermally conductive in heat collector 2 with excluding the influence of external environment for heat insulating coat, heat insulating coat
Liquid 3 absorb heat collector 2 around unnecessary heat, reduce its cooling efficiency to rail, specifically selected in the present embodiment every
Heat japanning.
As shown in Figure 1 and Figure 5, condenser 5 includes heat accumulating filled layer 16, spiral cold-finger 19, reflux vessel 20, this
Heat accumulating filled layer 16 is set to inside condenser 5 in embodiment, and spiral cold-finger 19 and reflux vessel 20 are then located at
The inside of heat accumulating filled layer 16, the interior heat accumulating for being filled with function admirable of heat accumulating filled layer 16, heat accumulating can
The heat of the gas flowed through in spiral cold-finger 19 is stored, it is contemplated that features simple structure and volume of condenser etc. because
Element, heat accumulating are usually to change state of matter in the case where temperature-resistant and can provide a kind of material of latent heat；This implementation
The converting heat that the heat accumulating in heat accumulating filled layer 16 in example is used to absorb from rail is energy in it, then etc.
It will can be released in the part of storage when low to ambient temperature, reduce rail internal temperature stress to reach
Accumulation purpose, the heat accumulating in the present embodiment specifically selects the good phase-change material of heat absorption capacity: phase transformation ice crystal sand material
Material.When the high-temperature gas that the vaporization of heat-conducting liquid 3 generates in heat collector 2 discharges heat therein after spiral cold-finger 19 to weight
Newly become liquid, then flows in reflux vessel 20；For phase transformation when ambient temperature is low to being deformed after heat absorption
Material cools down, and automatically controlled ventilation blade 6 is additionally provided with by reflux vessel 20, and automatically controlled ventilation blade 6 passes through leaf after powered up
The unlatching of piece makes cool ambient air flow into take away the heat in phase-change material, restores its form that can be worked normally.
As shown in Figure 6 and Figure 7, it is attached between heat collector 2 and condenser 5 by connecting conduit to constitute liquid gas and follow certainly
Loop back path.Specifically, connecting conduit includes catheter 4 and gas-guide tube 1(part stopped by catheter 4 thus in figure not
Show), one end of gas-guide tube 1 is connected to the air guide interface tube 7 of heat collector 2, the other end then with the spiral in condenser
The collection port 18 of condenser pipe 19 is connected to, and the output end of spiral cold-finger 19 is then connected to the input terminal of reflux vessel 20, drain
One end of pipe 4 is connected to the drain interface tube 11 of heat collector 2, and the other end is then connected to the liquid separating port 17 of reflux vessel 20.It is leading
Tracheae 1 is provided with pumping rubber mouth 13 and Air blow check valve 14, is provided with rubber flap check valve 15 in catheter 4.It is being evacuated
The air in device can be extracted out to reduce the initial gas pressure inside device, to reduce the boiling of heat-conducting liquid 3 at rubber mouth 13
Point；Air blow check valve 14 not only makes gas circulate along predetermined direction, and generates draught head in Air blow check valve two sides, so that leading
Rubber flap check valve 15 in liquid pipe can work normally.And the rubber flap check valve 15 being arranged in catheter 4, one side rubber
Valve check-valves 15 can separate the heat-conducting liquid 3 in heat collector 2 with the heat-conducting liquid 3 in reflux vessel 20, on the other hand, In
After 3 vaporization loss of heat-conducting liquid in heat collector, 15 two sides of rubber flap check valve can generate pressure difference, to make in reflux vessel 20
Low temperature heat-conducting liquid 3 be back in heat collector, to complete the cyclic process of heat-conducting liquid 3；Made by above-mentioned connection type
Liquid gas is constituted between heat collector and condenser from self circular loop, it may be assumed that the heat-conducting liquid 3 in heat collector 2 is absorbed by binding face
The heat of rail, is then vaporizated into gas, and gas is transferred to the spiral cold-finger of condenser 5 by gas-guide tube 1 from heat collector 2
19, it is low that the heat in gas is carried out absorbing storage high-temperature gas is made to liquefy again by the heat accumulating around spiral cold-finger 19
The heat-conducting liquid 3 of temperature simultaneously flows in reflux vessel 20, due to hydraulic change after the 3 part vaporization loss of heat-conducting liquid in heat collector 2
It is small, so that the heat-conducting liquid 3 of low temperature is back to heat collector out of reflux vessel 20 again by catheter 4 under the action of pressure difference
In, it is moved in circles with this, completes vaporization-liquefaction-vaporization process, the partial heat inside rail is absorbed into transfer.
As shown in Figure 1, taking heat-insulated processing means in the outside of gas-guide tube 1, catheter 4 and condenser 5, cover
There is heat insulating coat, to avoid the influence that sunlight irradiates and ambient temperature runs device.
As shown in figs. 1-7, the concrete operating principle of the liquid gas self-circulation type rail cooling device in the present embodiment are as follows: thermal-arrest
Device is fixed on rail waist by magnetic material neodium magnet 12, and heat-conducting liquid 3, the reflux in condenser 5 are stored in heat collector 2
The heat-conducting liquid 3 of same liquid level is stored in container 20, when the temperature of rail increases, heat-conducting liquid 3 constantly absorbs steel
Rail by heat-conducting layer be conducted through come heat, become after vaporization gas from gas-guide tube 1 flow into condenser in, by spiral cold-finger
During 19, the heat accumulating around spiral cold-finger 19 by the heat absorption in high-temperature gas and is stored, and gas loses
Hydrothermal solutionization becomes heat-conducting liquid 3 again and flows in reflux vessel 20, due to the 3 part vaporization loss of heat-conducting liquid in heat collector 2
It is hydraulic afterwards to become smaller, so that the heat-conducting liquid 3 of low temperature is flowed back out of reflux vessel 20 again by catheter 4 under the action of pressure difference
It into heat collector 2, is moved in circles with this, completes vaporization-liquefaction-vaporization process, the partial heat of rail is absorbed into transfer, from
And the temperature of rail is reduced, the accumulation of its temperature stress is reduced, rail temperature distortion or structural damage are avoided；And in heat accumulating
The heat of storage releases when ambient temperature is low, and the automatically controlled ventilation blade 6 being arranged by reflux vessel 20 is logical
Unlatching after electricity by blade makes cool ambient air flow into take away the heat in phase-change material, and restoring it can work normally
Form so that device can be with repeated work.
The beneficial effect of the present embodiment is: (1) by utilize in liquid gas conversion process inhale thermal property, it will by heat collector
The partial heat of rail is absorbed and is stored, and outwardly discharges the heat of storage in the low temperature period, to reduce high temperature
The accumulation of the rail internal temperature stress of period；(2) design is scientific and reasonable, it can be achieved that heat absorption-heat release-heat absorption liquid for apparatus structure
Gas self-loopa.
Claims (10)
1. a kind of liquid gas self-circulation type rail cooling device, it is characterised in that the cooling device includes heat collector and condenser,
The heat-conducting liquid that boiling point is lower than rail temperature peak value is stored in the heat collector, the condenser includes heat accumulating filling
Layer, spiral cold-finger and reflux vessel, are connected between the heat collector and the condenser by connecting conduit to constitute liquid
Gas self circular loop.
2. a kind of liquid gas self-circulation type rail cooling device according to claim 1, it is characterised in that the heat accumulating
Heat accumulating is filled in filled layer, the spiral cold-finger is connected setting with the reflux vessel in heat accumulating filling
In layer, automatically controlled ventilation blade is provided with by the reflux vessel.
3. a kind of liquid gas self-circulation type rail cooling device according to claim 2, it is characterised in that the heat accumulating
For phase transformation ice crystal sand material.
4. a kind of liquid gas self-circulation type rail cooling device according to claim 1, it is characterised in that the connecting conduit
Including gas-guide tube and catheter, one end of the gas-guide tube connect with the air guide interface tube of the heat collector, the other end with it is described
The collection port of spiral cold-finger connects, and the output end of the spiral cold-finger is connect with the input terminal of the reflux vessel, described
One end of catheter is connect with the drain interface tube of the heat collector, the other end is connect with the liquid separating port of the reflux vessel.
5. a kind of liquid gas self-circulation type rail cooling device according to claim 4, it is characterised in that in the gas-guide tube
It is provided with Air blow check valve, the Air blow check valve two sides are provided with pumping rubber mouth, and the air guide tube outer surface is coated with
Heat insulating coat.
6. a kind of liquid gas self-circulation type rail cooling device according to claim 4, it is characterised in that in the catheter
It is provided with rubber check valve, the drain tube outer surface is coated with heat insulating coat.
7. a kind of liquid gas self-circulation type rail cooling device according to claim 1, it is characterised in that the heat collector is logical
It crosses adhesives or magnetic material fits at the web of the rail of rail.
8. a kind of liquid gas self-circulation type rail cooling device according to claim 7, it is characterised in that the heat collector with
Heat-conducting layer is provided on the binding face of the web of the rail, the heat-conducting layer includes heat conductive graphite piece, aluminium alloy plate.
9. a kind of liquid gas self-circulation type rail cooling device according to claim 7, it is characterised in that the heat collector with
Heat insulating coat is covered on the non-binding face of the web of the rail.
10. a kind of liquid gas self-circulation type rail cooling device according to claim 1, it is characterised in that the reflux vessel
Inside it is stored with the heat-conducting liquid identical with liquid level in the heat collector, the ethanol solution that the heat-conducting liquid is 95%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991431.9U CN209619770U (en) | 2018-11-30 | 2018-11-30 | Liquid gas self-circulation type rail cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821991431.9U CN209619770U (en) | 2018-11-30 | 2018-11-30 | Liquid gas self-circulation type rail cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209619770U true CN209619770U (en) | 2019-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821991431.9U Expired - Fee Related CN209619770U (en) | 2018-11-30 | 2018-11-30 | Liquid gas self-circulation type rail cooling device |
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| Country | Link |
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| CN (1) | CN209619770U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537381A (en) * | 2018-11-30 | 2019-03-29 | 华东交通大学 | Liquid gas self-circulation type rail cooling device |
-
2018
- 2018-11-30 CN CN201821991431.9U patent/CN209619770U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537381A (en) * | 2018-11-30 | 2019-03-29 | 华东交通大学 | Liquid gas self-circulation type rail cooling device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191112 Termination date: 20211130 |
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| CF01 | Termination of patent right due to non-payment of annual fee |