CN209512576U - A kind of series hybrid formula gas-gas heat exchanger - Google Patents
A kind of series hybrid formula gas-gas heat exchanger Download PDFInfo
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- CN209512576U CN209512576U CN201822016552.8U CN201822016552U CN209512576U CN 209512576 U CN209512576 U CN 209512576U CN 201822016552 U CN201822016552 U CN 201822016552U CN 209512576 U CN209512576 U CN 209512576U
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Abstract
The utility model discloses a kind of series hybrid formula gas-gas heat exchangers, including the first heat-exchanger rig, second heat-exchanger rig, it is connected to the high temperature channel of the first heat-exchanger rig and the second heat-exchanger rig, the first low temperature path of heat exchange is carried out with high temperature channel in the first heat-exchanger rig and carries out the second low temperature path of heat exchange with high temperature channel in the second heat-exchanger rig, first heat-exchanger rig is pipe heat exchanger, second heat-exchanger rig is plate heat exchanger, high-temperature gas firstly flows through the first heat-exchanger rig in high temperature channel and again passes through the second heat-exchanger rig, cryogenic gas flows through the first low temperature path and the second low temperature path simultaneously.The utility model has the advantages that the first heat-exchanger rig and the second heat-exchanger rig carry out classification heat exchange to high-temperature gas by different structures, make series hybrid formula gas-gas heat exchanger that can bear High Temperature Gas gas heat-exchanging state, heat exchange efficiency with higher again, is conducive to extend service life and improves reliability.The utility model relates to heat exchangers.
Description
Technical field
The utility model relates to heat exchanger, in particular to a kind of series hybrid formula gas-gas heat exchanger.
Background technique
Heat exchanger is the section that heat transfer between material is realized between a kind of fluid at two or more different temperatures
Energy equipment, is that heat is made to pass to the lower fluid of temperature by the higher fluid of temperature, fluid temperature (F.T.) is made to reach flow specification
Index to meet the needs of process conditions, while being also one of the capital equipment for improving energy utilization rate.Gas-gas heat exchanger is heat
Measure the heat exchanger transmitted between two kinds of gas mediums.
Heat exchanger tube is the heat exchange element of pipe heat exchanger, for the exchange of heat between two media, is had very high thermally conductive
Property and good isothermal, be applicable to the gas-gas heat exchange operating condition higher than 1000 DEG C, technological deficiency is: heat exchange efficiency compares plate
Formula heat exchanger is low, and manufacturing cost is higher.
Plate heat exchanger is a kind of high-performance heat exchanger as made of multiple sheet metal closed assemblies with certain corrugated shape, respectively
Rectangular channel is formed between a sheet metal, heat exchange is carried out by plate.Plate heat exchanger and conventional shell-and-tube heat exchanger
It compares, under identical flow resistance and pump power Expenditure Levels, the heat transfer coefficient of plate heat exchanger is higher, at 300 DEG C -400
DEG C operating condition under comparison pipe heat exchanger there is higher heat exchange property, technological deficiency is: under the operating condition of higher temperature
Service life can shorten, and failure rate is higher.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of series hybrid formula gas-gas heat exchangers, in High Temperature Gas gas
There is longer service life and heat exchange efficiency with higher under heat-exchanging state.
Used technical solution to solve above-mentioned technical problem:
A kind of series hybrid formula gas-gas heat exchanger, including the first heat-exchanger rig, the second heat-exchanger rig, connection the first heat exchange dress
Set the first low temperature path for carrying out heat exchange with high temperature channel with the high temperature channel of the second heat-exchanger rig, in the first heat-exchanger rig
With the second low temperature path for carrying out heat exchange with high temperature channel in the second heat-exchanger rig, the first heat-exchanger rig is pipe type heat transfer
Device, the second heat-exchanger rig are plate heat exchanger, and high-temperature gas firstly flows through the first heat-exchanger rig in high temperature channel and again passes through second
Heat-exchanger rig, cryogenic gas flow through the first low temperature path and the second low temperature path simultaneously.
As an improvement, series hybrid formula gas-gas heat exchanger further include connect with the inlet end of the first low temperature path first into
Tracheae, the second air inlet pipe being connect with the inlet end of the second low temperature path, connect with the outlet side of the first low temperature path first
Escape pipe and the second escape pipe being connect with the outlet side of the second low temperature path, the arrival end of the first air inlet pipe and the second air inlet pipe
The outlet end of parallel connection, the first escape pipe and the second escape pipe is in parallel.
As an improvement, the conveyance capacity of the second air inlet pipe is greater than the conveyance capacity of the first air inlet pipe, the mistake of the second escape pipe
Stream ability is greater than the conveyance capacity of the first escape pipe.
As an improvement, the second air inlet pipe includes the first straight pipe and converging transition, cryogenic gas flows successively through the first straight pipe
The second low temperature path is flowed into again later with converging transition, and the first air inlet pipe is connected to the side of the first straight pipe, the second escape pipe packet
The second straight pipe and divergent segment are included, cryogenic gas flows successively through divergent segment and the second straight tube after the outflow of the second low temperature path again
Section.
As an improvement, the first heat-exchanger rig includes shell, the tube sheet being located on shell and several heat exchanger tubes through tube sheet,
Shell includes first entrance portion and first outlet part, and high-temperature gas flows into shell from first entrance portion, and high-temperature gas is in shell
Heat exchange occurs for the interior outer wall by heat exchanger tube and heat exchanger tube, and high-temperature gas flows out shell from first outlet part.
As an improvement, tube sheet includes opposite the first tube sheet and the second tube sheet for being located at shell two sides, heat exchanger tube includes second
The first tube sheet is run through in inlet portion, the first commutation portion, the second commutation portion and second outlet part, second entrance portion, and the first commutation portion is set
Outside the second tube sheet, the both ends in the second commutation portion extend through the second tube sheet, and the second commutation portion is located at outside the first tube sheet, and second changes
Extend through the first tube sheet to the both ends in portion, second outlet part runs through the second tube sheet, high-temperature gas flow successively through second entrance portion,
The inner cavity of first commutation portion, the second commutation portion and second outlet part, each heat exchanger tube forms the first low temperature path.
As an improvement, the second heat-exchanger rig includes third inlet portion, third outlet portion and several plate-type heat exchanger slabs, height
Wet body flows into the second heat-exchanger rig from third inlet portion, and high-temperature gas is carried out by plate-type heat exchanger slab and cryogenic gas
It is flowed out outside the second heat-exchanger rig after heat exchange from third outlet portion.
As an improvement, the second heat-exchanger rig includes the 4th inlet portion, third commutation portion, the 4th commutation portion and the 4th outlet
Portion, plate-type heat exchanger slab include the first plate groups, the second plate groups and third plate groups, and high-temperature gas flows successively through third plate
Piece group, the second plate groups and the first plate groups, cryogenic gas flow successively through the 4th inlet portion, the first plate groups, third commutation portion,
Second plate groups, the 4th commutation portion, third plate groups and the 4th outlet portion, the 4th inlet portion, the first plate groups, third commutation
Portion, the second plate groups, the 4th commutation portion, third plate groups and the 4th outlet portion form the second low temperature path.
The utility model has the advantages that the first heat-exchanger rig is pipe heat exchanger, can work under the gas-gas heat exchange operating condition higher than 1000 DEG C
And the temperature of high-temperature gas is reduced, the second heat-exchanger rig is plate heat exchanger, heat exchange efficiency with higher.First heat exchange dress
It sets and classification heat exchange is carried out to high-temperature gas by different structures with the second heat-exchanger rig, make series hybrid formula gas-gas heat exchanger can
High Temperature Gas gas heat-exchanging state, and heat exchange efficiency with higher are born, service life is conducive to extend and improves reliability.
Detailed description of the invention
The utility model is described further with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the utility model embodiment；
Fig. 2 is the structural schematic diagram of first heat-exchanger rig of the utility model embodiment；
Fig. 3 is the structural schematic diagram of second heat-exchanger rig of the utility model embodiment.
Specific embodiment
Referring to figs. 1 to 3, a kind of series hybrid formula gas-gas heat exchanger, including the first heat-exchanger rig 1, the second heat-exchanger rig 2,
Be connected to the high temperature channel of the first heat-exchanger rig 1 and the second heat-exchanger rig 2, in the first heat-exchanger rig 1 with high temperature channel carry out heat
First low temperature path of exchange and the second low temperature path for carrying out heat exchange with high temperature channel in the second heat-exchanger rig 2, first
Heat-exchanger rig 1 is pipe heat exchanger, and the second heat-exchanger rig 2 is plate heat exchanger, and high-temperature gas firstly flows through the in high temperature channel
One heat-exchanger rig 1 again passes through the second heat-exchanger rig 2, and cryogenic gas flows through the first low temperature path and the second low temperature path simultaneously.The
One heat-exchanger rig 1 is pipe heat exchanger, can work and make the temperature of high-temperature gas under the gas-gas heat exchange operating condition higher than 1000 DEG C
It reduces, the second heat-exchanger rig 2 is plate heat exchanger, heat exchange efficiency with higher.First heat-exchanger rig 1 and the second heat-exchanger rig
2 carry out classification heat exchange to high-temperature gas by different structures, make series hybrid formula gas-gas heat exchanger that can bear High Temperature Gas gas and change
Thermal condition, and heat exchange efficiency with higher, are conducive to extend service life and improve reliability.
In order to make cryogenic gas while flow through the first low temperature path and the second low temperature path, series hybrid formula gas-gas heat exchanger
It further include the first air inlet pipe 3 being connect with the inlet end of the first low temperature path, connect with the inlet end of the second low temperature path
It two air inlet pipe 4, the first escape pipe 5 being connect with the outlet side of the first low temperature path and is connect with the outlet side of the second low temperature path
The second escape pipe 6, the arrival end of the first air inlet pipe 3 and the second air inlet pipe 4 is in parallel, the first escape pipe 5 and the second escape pipe 6
Outlet end is in parallel.Cryogenic gas enters the second air inlet pipe 4 from the direction A shown in FIG. 1, then enters the first air inlet from the direction B simultaneously
Pipe 3 simultaneously enters the second heat-exchanger rig 2 from the direction C.
In order to improve the heat exchange efficiency of the second heat-exchanger rig 2, the conveyance capacity of the second air inlet pipe 4 is greater than the first air inlet pipe 3
Conveyance capacity, the conveyance capacity of the second escape pipe is greater than the conveyance capacity of the first escape pipe.Second air inlet pipe 4 of the present embodiment
Internal diameter be greater than the first air inlet pipe 3 internal diameter.
In order to adjust the rate that cryogenic gas flows through series hybrid formula gas-gas heat exchanger, the second air inlet pipe 4 includes first straight
Pipeline section 7 and converging transition 8, cryogenic gas flow successively through the first straight pipe 7 and converging transition 8 later again along the direction A and C shown in FIG. 1
The second low temperature path is flowed into, the first air inlet pipe 3 is connected to the side of the first straight pipe 7, and the second escape pipe 6 includes the second straight pipe
9 and divergent segment 10, cryogenic gas flows successively through divergent segment 10 and the second straight pipe 9 after the outflow of the second low temperature path again, most
The second escape pipe 6 is flowed out along the direction E and F shown in FIG. 1 afterwards.
In order to improve series hybrid formula gas-gas heat exchanger to the tolerance of High Temperature Gas gas heat-exchanging state, the first heat-exchanger rig
1 includes shell 11, the tube sheet being located on shell 11 and several heat exchanger tubes through tube sheet, and shell 11 includes 12 He of first entrance portion
First outlet part 13, high-temperature gas flow into shell 11 from first entrance portion 12 along the direction G shown in Fig. 2, and high-temperature gas is in shell
Heat exchange is occurred by the outer wall of heat exchanger tube and heat exchanger tube in body 11, high-temperature gas is from first outlet part 13 along the side H shown in Fig. 2
To outflow shell 11.
It include opposite to extend the length of the first low temperature path and the heat transfer effect of the first heat-exchanger rig 1 of improvement, tube sheet
It is located at the first tube sheet 14 and the second tube sheet 15 of 11 two sides of shell, heat exchanger tube includes second entrance portion 16, the first commutation portion 17,
The first tube sheet 14 is run through in two commutation portions 18 and second outlet part 19, second entrance portion 16, and the first commutation portion 17 is located at the second tube sheet
Outside 15, the both ends in the second commutation portion 18 extend through the second tube sheet 15, and the second commutation portion 18 is located at outside the first tube sheet 14, and second changes
The first tube sheet 14 is extended through to the both ends in portion 18, second outlet part 19 runs through the second tube sheet 15, and high-temperature gas is along shown in Fig. 2
The direction B-I-J-D flows successively through second entrance portion 16, the first commutation portion 17, the second commutation portion 18 and second outlet part 19, each
The inner cavity of heat exchanger tube forms the first low temperature path.
Second heat-exchanger rig 2 of the present embodiment includes third inlet portion, third outlet portion and several plate-type heat exchanger slabs,
High-temperature gas flows into the second heat-exchanger rig 2 from third inlet portion along the direction C shown in Fig. 3, and high-temperature gas passes through plate-type heat-exchange
Device plate and cryogenic gas flow out outside the second heat-exchanger rig 2 after being exchanged heat from third outlet portion along the direction E shown in Fig. 3.
In order to extend the length of the second low temperature path and the heat transfer effect of the second heat-exchanger rig 2 of improvement, the second heat-exchanger rig 2
Including the 4th inlet portion 20, third commutation portion 21, the 4th commutation portion 22 and the 4th outlet portion 23, plate-type heat exchanger slab includes the
One plate groups 24, the second plate groups 25 and third plate groups 26, high-temperature gas flow successively through third plate groups 26, the second plate groups
25 and first plate groups 24, cryogenic gas flow successively through the 4th inlet portion 20, the first plate along the direction C-K-L-E shown in Fig. 3
Group 24, third commutation portion 21, the second plate groups 25, the 4th commutation portion 22, third plate groups 26 and the 4th outlet portion 23, the 4th enters
Oral area 20, the first plate groups 24, third commutation portion 21, the second plate groups 25, the 4th commutation portion 22, third plate groups 26 and the 4th
Outlet portion 23 forms the second low temperature path.
The embodiments of the present invention is explained in detail above in conjunction with attached drawing, but the utility model is not limited to
State embodiment, technical field those of ordinary skill within the scope of knowledge, can also do not depart from it is practical
Various changes can be made under the premise of novel objective.
Claims (8)
1. a kind of series hybrid formula gas-gas heat exchanger, it is characterised in that: including the first heat-exchanger rig, the second heat-exchanger rig, connection
The high temperature channel of first heat-exchanger rig and the second heat-exchanger rig carries out the of heat exchange in the first heat-exchanger rig with high temperature channel
One low temperature path and the second low temperature path for carrying out heat exchange with high temperature channel in the second heat-exchanger rig, the first heat-exchanger rig are
Pipe heat exchanger, the second heat-exchanger rig are plate heat exchanger, and high-temperature gas firstly flows through the first heat-exchanger rig again in high temperature channel
The second heat-exchanger rig is flowed through, cryogenic gas flows through the first low temperature path and the second low temperature path simultaneously.
2. a kind of series hybrid formula gas-gas heat exchanger according to claim 1, it is characterised in that: further include and described first
Low temperature path inlet end connection the first air inlet pipe, connect with the inlet end of second low temperature path the second air inlet pipe,
The first escape pipe being connect with the outlet side of the first low temperature path and the second outlet being connect with the outlet side of the second low temperature path
The arrival end of pipe, the first air inlet pipe and the second air inlet pipe is in parallel, and the outlet end of the first escape pipe and the second escape pipe is in parallel.
3. a kind of series hybrid formula gas-gas heat exchanger according to claim 2, it is characterised in that: second air inlet pipe
Conveyance capacity is greater than the conveyance capacity of the first air inlet pipe, and the conveyance capacity of second escape pipe is greater than first escape pipe
Conveyance capacity.
4. a kind of series hybrid formula gas-gas heat exchanger according to claim 3, it is characterised in that: the second air inlet pipe packet
The first straight pipe and converging transition are included, cryogenic gas flows successively through the first straight pipe and converging transition flows into the second low temperature again later and leads to
Road, first air inlet pipe are connected to the side of the first straight pipe, and second escape pipe includes the second straight pipe and divergent segment,
Cryogenic gas flows successively through divergent segment and the second straight pipe after the outflow of the second low temperature path again.
5. a kind of series hybrid formula gas-gas heat exchanger according to any one of claims 1 to 4, it is characterised in that: described
First heat-exchanger rig includes that shell, the tube sheet being located on shell and several heat exchanger tubes through tube sheet, shell include first entrance
Portion and first outlet part, high-temperature gas flow into shell from first entrance portion, and high-temperature gas passes through the outer of heat exchanger tube in shell
Heat exchange occurs for wall and heat exchanger tube, and high-temperature gas flows out shell from first outlet part.
6. a kind of series hybrid formula gas-gas heat exchanger according to claim 5, it is characterised in that: the tube sheet includes opposite
It is located at the first tube sheet and the second tube sheet of shell two sides, the heat exchanger tube includes second entrance portion, the first commutation portion, the second commutation
The first tube sheet is run through in portion and second outlet part, second entrance portion, and the first commutation portion is located at outside the second tube sheet, and the two of the second commutation portion
End extends through the second tube sheet, and the second commutation portion is located at outside the first tube sheet, and the both ends in the second commutation portion extend through the first tube sheet,
Second outlet part runs through the second tube sheet, and high-temperature gas flows successively through second entrance portion, the first commutation portion, the second commutation portion and second
Outlet portion, the inner cavity of each heat exchanger tube form first low temperature path.
7. a kind of series hybrid formula gas-gas heat exchanger according to claim 6, it is characterised in that: second heat-exchanger rig
Including third inlet portion, third outlet portion and several plate-type heat exchanger slabs, high-temperature gas flows into second from third inlet portion and changes
In thermal, high-temperature gas is changed after being exchanged heat by plate-type heat exchanger slab with cryogenic gas from third outlet portion outflow second
Outside thermal.
8. a kind of series hybrid formula gas-gas heat exchanger according to claim 7, it is characterised in that: second heat-exchanger rig
Including the 4th inlet portion, third commutation portion, the 4th commutation portion and the 4th outlet portion, the plate-type heat exchanger slab includes the first plate
Piece group, the second plate groups and third plate groups, high-temperature gas flow successively through third plate groups, the second plate groups and the first plate
Group, cryogenic gas flow successively through the 4th inlet portion, the first plate groups, third commutation portion, the second plate groups, the 4th commutation portion,
Three plate groups and the 4th outlet portion, the 4th inlet portion, the first plate groups, third commutation portion, the second plate groups, the 4th commutation portion,
Third plate groups and the 4th outlet portion form second low temperature path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016552.8U CN209512576U (en) | 2018-12-03 | 2018-12-03 | A kind of series hybrid formula gas-gas heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822016552.8U CN209512576U (en) | 2018-12-03 | 2018-12-03 | A kind of series hybrid formula gas-gas heat exchanger |
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| Publication Number | Publication Date |
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| CN209512576U true CN209512576U (en) | 2019-10-18 |
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| CN201822016552.8U Active CN209512576U (en) | 2018-12-03 | 2018-12-03 | A kind of series hybrid formula gas-gas heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739416A (en) * | 2021-09-08 | 2021-12-03 | 耿现军 | Heat pump water boiling equipment |
-
2018
- 2018-12-03 CN CN201822016552.8U patent/CN209512576U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113739416A (en) * | 2021-09-08 | 2021-12-03 | 耿现军 | Heat pump water boiling equipment |
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