CN207991329U - A kind of gas re-heat device - Google Patents
A kind of gas re-heat device Download PDFInfo
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- CN207991329U CN207991329U CN201821108915.4U CN201821108915U CN207991329U CN 207991329 U CN207991329 U CN 207991329U CN 201821108915 U CN201821108915 U CN 201821108915U CN 207991329 U CN207991329 U CN 207991329U
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- heat exchanger
- exchanger tube
- gas
- tube
- main pipe
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Abstract
The utility model discloses a kind of gas re-heat devices, including inlet main pipe, heat exchanger tube, air inlet distribution pipe, outlet manifold trunk and outlet main pipe, inlet main pipe is connected to air inlet distribution pipe, the heat exchanger tube is U-tube, one end of heat exchanger tube is connected to the tube wall of air inlet distribution pipe, the other end of heat exchanger tube is connected to the tube wall of outlet manifold trunk, and outlet manifold trunk is connected to outlet main pipe.The gas re-heat device of the utility model, uses the gas passage of heat exchange of the U heat exchange as re-heat device, and the temperature stress in pipeline can be eliminated using the heat exchanger tube of the structure; improve the service life of equipment; and make simple, of low cost, suitable large-scale production.
Description
Technical field
The utility model is related to liquid gas technical field of heat exchange equipment, and in particular to a kind of gas re-heat device.
Background technology
Liquid gas (liquid oxygen, liquid nitrogen, liquid hydrogen, liquid LNG etc.) is used after air-heating type gasifier heating and gasifying and has been answered
With being widely used to industry.Gas generally after air-heating type gasifier heats is due to the presence of heat transfer temperature difference, outlet
The temperature for changing device can be 10-15 DEG C lower than environment temperature.The gas temperature when the lower place of temperature is only with air-heating type gasifier
It is relatively low, can have an adverse effect to rear pipeline, equipment operation.Therefore recuperator is set after air-heating type gasifier, using outer
Heating source (including electricity, circulating hot water, steam etc.) carries out secondary re-heat to gas.
For existing recuperator heat exchanger tube using straight tube or coil form, the heat exchange tube structure of straight tube form is simple,
It is easily manufactured, but wherein there is larger temperature stress, there is the larger security risks such as expansion, deformation, rupture using upper.Disk
The heat exchanger tube of form of tubes can eliminate temperature stress, but its manufacture difficulty is larger, and cost is higher, it is therefore desirable to which one kind can either
The re-heat device solution the deficiencies in the prior art of production cost can be reduced again by reducing the temperature stress of heat exchanger tube.
Utility model content
Technical problem to be solved in the utility model is the deficiencies in the prior art, and it is an object of the present invention to provide a kind of gas re-heat
Device.
The utility model is achieved through the following technical solutions：
A kind of gas re-heat device, including inlet main pipe, heat exchanger tube, air inlet distribution pipe, outlet manifold trunk and outlet main pipe,
Inlet main pipe is connected to air inlet distribution pipe, and the heat exchanger tube is U-tube, the tube wall of one end and air inlet distribution pipe of the heat exchanger tube
Connection, the other end of the heat exchanger tube are connected to the tube wall of outlet manifold trunk, and outlet manifold trunk is connected to outlet main pipe.
Preferred embodiment, the heat exchanger tube be equipped with it is multiple, one end of multiple heat exchanger tubes is connected to the tube wall of air inlet distribution pipe, separately
One end is connected to the tube wall of outlet manifold trunk.
Preferred embodiment, the end of the air inlet distribution pipe are equipped with seal plug with the end of outlet manifold trunk.
Preferred embodiment, the inlet main pipe, heat exchanger tube, air inlet distribution pipe, outlet manifold trunk, outlet main pipe are stainless steel
Any one in pipe, copper pipe or aluminium tube material.
Preferred embodiment, the junction of the inlet main pipe and air inlet distribution pipe using being welded to connect, heat exchanger tube with into qi leel
Using being welded to connect between piping, outlet manifold trunk, uses and be welded to connect between outlet manifold trunk and outlet main pipe.
Preferred embodiment, using being alternatively arranged between the multiple heat exchanger tube, the distance of adjacent two heat exchanger tubes is identical.
The utility model compared with prior art, has the following advantages and advantages：The gas of the utility model is multiple
Thermal uses the gas passage of heat exchange of the U heat exchange as re-heat device, can be disappeared using the heat exchanger tube of the structure
Except the temperature stress in pipeline, the service life of equipment is improved, and makes simple, of low cost, suitable large-scale production.
Description of the drawings
Attached drawing described herein is used for providing further understanding the utility model embodiment, constitutes the one of the application
Part does not constitute the restriction to the utility model embodiment.In the accompanying drawings：
FIG. 1 is a schematic structural view of the utility model.
Label and corresponding parts title in attached drawing：
1- heat exchanger tubes, 2- air inlet distribution pipes, 3- seal plugs, 4- inlet main pipes, 5- outlet main pipes, 6- outlet manifold trunks.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, with reference to embodiment and attached drawing,
The utility model is described in further detail, and the exemplary embodiment and its explanation of the utility model are only used for explaining this
Utility model is not intended to limit the scope of the present invention.
Embodiment
As shown in Figure 1, a kind of gas re-heat device of the utility model, including inlet main pipe 4, heat exchanger tube 1, air inlet distribution pipe
2, outlet manifold trunk 6 and outlet main pipe 5, inlet main pipe 4 are connected to one end of air inlet distribution pipe 2, and heat exchanger tube is adopted as U-tube,
One end of heat exchanger tube 1 is connected to the tube wall of air inlet distribution pipe 2, and the other end of heat exchanger tube 1 is connected to the tube wall of outlet manifold trunk 6,
One end of outlet manifold trunk 6 is connected to outlet mother 5.
Operation principle：This gas re-heat device is used for the gas after air-heating type gasifier gasification, heating through inlet main pipe 4
It is interior, subsequently into after entering back into heat exchanger tube 1 after in air inlet distribution pipe 3 by thermal medium heat exchanger tube 1 outside to entering heat exchange
Gas in pipe 1 is heated, thermal medium can select as heating after aqueous medium, aqueous medium after heating and heat exchanger tube 1 into
Row heat exchange, and then heat temperature raising is carried out to gas.Gas is distributed to U heat exchange 1 by air inlet distribution pipe 2, is being exchanged heat
It exchanges heat with the thermal medium outside pipe in pipe 1, is concentrated in outlet manifold trunk 6 after improving its temperature, later by 5 row of outlet main pipe
Go out to rear end equipment, the purpose heated to gas is realized with this flow.It can between inlet main pipe 4 and outlet main pipe 5
To connect multigroup heat exchanger tube 1, multigroup heat exchanger tube 1 can simultaneously heat gas, and then improve the efficiency of heating surface of gas.
Preferred embodiment scheme, heat exchanger tube 1 be equipped with it is multiple, particular number adds deduct according to specific gas heating amount to increase
Few, one end of multiple heat exchanger tubes 1 is connected to the tube wall of air inlet distribution pipe 2, and the other end is connected to the tube wall of outlet manifold trunk 6, more
Using being alternatively arranged between a heat exchanger tube 1, the distance of adjacent two heat exchanger tubes 1 is identical, realizes that the gas in exchange heat pipe 1 is equal
Heat exchanger effectiveness is accelerated in even heating.
Preferred embodiment scheme, the end of air inlet distribution pipe 2 are equipped with seal plug 3, sealing with the end of outlet manifold trunk 6
Plug 3 and the end of air inlet distribution pipe 2, outlet manifold trunk 6 are sealed using the connection type of sealing welding.
Preferred embodiment scheme, inlet main pipe 4, heat exchanger tube 1, air inlet distribution pipe 2, outlet manifold trunk 6, outlet main pipe 5 are equal
For stainless steel tube material, stainless steel tube has good corrosion resistance, and heat exchanger tube impregnates for a long time in aqueous medium is not susceptible to oxygen
Change, therefore its service life can be improved as the heating pipe of the present apparatus using stainless steel material.
Preferred embodiment scheme, inlet main pipe 4 are connect with the junction of air inlet distribution pipe 2 using sealing welding, heat exchanger tube 1
It is connect using sealing welding between air inlet distribution pipe 4, outlet manifold trunk 6, is used between outlet manifold trunk 6 and outlet main pipe 5
Sealing welding connects, and ensures that the junction between pipeline is in sealing state, prevents air leakage.
Above-described specific implementation mode, to the purpose of this utility model, technical solution and advantageous effect carried out into
One step is described in detail, it should be understood that the foregoing is merely specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, within the spirit and principle of the utility model, any modification for being made equally is replaced
It changes, improve, should be included within the scope of protection of this utility model.
Claims (6)
1. a kind of gas re-heat device, which is characterized in that including inlet main pipe, heat exchanger tube, air inlet distribution pipe, outlet manifold trunk and
Outlet main pipe, inlet main pipe are connected to air inlet distribution pipe, and the heat exchanger tube is U-tube, one end of the heat exchanger tube with into qi leel
The tube wall of piping is connected to, and the other end of the heat exchanger tube is connected to the tube wall of outlet manifold trunk, outlet manifold trunk and outlet main pipe
Connection.
2. a kind of gas re-heat device according to claim 1, which is characterized in that the heat exchanger tube be equipped with it is multiple, it is multiple
One end of heat exchanger tube is connected to the tube wall of air inlet distribution pipe, and the other end is connected to the tube wall of outlet manifold trunk.
3. a kind of gas re-heat device according to claim 1, which is characterized in that the end of the air inlet distribution pipe with go out
The end of gas manifold trunk is equipped with seal plug.
4. according to a kind of gas re-heat device described in claim 1, which is characterized in that the inlet main pipe, heat exchanger tube, into qi leel
Piping, outlet manifold trunk, outlet main pipe are any one in stainless steel tube, copper pipe or aluminium tube material.
5. according to a kind of gas re-heat device described in claim 1, which is characterized in that the inlet main pipe and air inlet distribution pipe
Junction is using being welded to connect, using being welded to connect between heat exchanger tube and air inlet distribution pipe, outlet manifold trunk, outlet manifold trunk with
It uses and is welded to connect between outlet main pipe.
6. according to a kind of gas re-heat device described in claim 2, which is characterized in that using interval between the multiple heat exchanger tube
Arrangement, the distance of adjacent two heat exchanger tubes are identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108915.4U CN207991329U (en) | 2018-07-12 | 2018-07-12 | A kind of gas re-heat device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821108915.4U CN207991329U (en) | 2018-07-12 | 2018-07-12 | A kind of gas re-heat device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207991329U true CN207991329U (en) | 2018-10-19 |
Family
ID=63831265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821108915.4U Active CN207991329U (en) | 2018-07-12 | 2018-07-12 | A kind of gas re-heat device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207991329U (en) |
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2018
- 2018-07-12 CN CN201821108915.4U patent/CN207991329U/en active Active
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