CN107560486A - A kind of Immersive graphite heat exchanger - Google Patents
A kind of Immersive graphite heat exchanger Download PDFInfo
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- CN107560486A CN107560486A CN201710790974.8A CN201710790974A CN107560486A CN 107560486 A CN107560486 A CN 107560486A CN 201710790974 A CN201710790974 A CN 201710790974A CN 107560486 A CN107560486 A CN 107560486A
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- graphite
- crescent
- post
- hollow
- heat exchanger
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses a kind of Immersive graphite heat exchanger, including hollow graphite post, the center of the hollow graphite post is the first manhole, the end face of hollow graphite post is provided with longitudinal bottoming hole of annular spread, the inwall of hollow graphite post is provided with cross-feed hole, upper cover is sealed with the top of hollow graphite post, the bottom of hollow graphite post is sealed with low head, the centre of surface of upper cover is provided with the second manhole, upper cover is provided with two crescents close to the side of hollow graphite post, the inside of crescent is infundibulate, side of the crescent away from hollow graphite post is provided with charge door and discharging opening, low head also is provided with crescent, second manhole, charge door and discharging opening, the crescent of upper cover and the crescent of low head are in 90 ° of Central Symmetries.The structural strength of the present invention is high, using corrosion resistance is strong, resistant to elevated temperatures polytetrafluoroethylimpregnated impregnated graphite, improves the life-span of graphite heat exchanger, heating medium realizes baffling in graphite heat exchanger and come and gone, and heat exchange efficiency is high.
Description
Technical field
The present invention relates to graphite heat exchanger technical field, more particularly to a kind of Immersive graphite heat exchanger.
Background technology
Graphite heat exchanger, i.e., heat exchanger made of heat transfer element graphite.The graphite of manufacture heat exchanger should have impermeability,
Conventional dipping class impermeable graphite and die mould impermeable graphite, graphite heat exchanger by its structure can be divided into block cellular type, shell-and-tube and
Board-like 3 type.
Immersion graphite heater, which is mainly used in immersing fluid convection body, to be exchanged heat, such as by Immersive graphite heat exchanger
Immerse in Steel-rolling Industry acid pond and acid is heated, can also be carried as the heating built in the equipment such as reactor or cooling device
High heat exchange area.
The heat exchanger for being currently used for immersion field of heat exchange is traditional Squirrel-cage graphite heat exchanger, and its body portion uses
Graphitic pressed pipe is made by phenolic resin plus graphite powder HTHP, and end socket etc. uses impregnated graphite, die mould graphite-pipe ratio
More crisp compared with impregnated graphite, two kinds of materials easily cause body to damage because stress is inconsistent together, and die mould graphite-pipe is
It is cementing on impregnated graphite, influence heat transfer efficiency and decay resistance and structural strength be poor.
The immersion graphite heater of prior art simultaneously, in heating process, heating medium can not form baffling and come and go, from
And largely effect on the efficiency of heating surface.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of immersion graphite proposed exchanges heat
Device.
To achieve these goals, present invention employs following technical scheme：
A kind of Immersive graphite heat exchanger, including hollow graphite post, the hollow graphite post is cylindrical, the hollow stone
Mo Zhu center is the first manhole, and the end face of the hollow graphite post is provided with longitudinal bottoming hole of annular spread, described vertical
Set to bottoming hole parallel to the first manhole and through two end faces of hollow graphite post, the inwall of the hollow graphite post
There is cross-feed hole, the cross-feed hole is through to the outer wall of hollow graphite post, the cross-feed positioned at same surface
Hole does not connect mutually, the cross-feed hole in the annular spread dissipated between the cross-feed hole and longitudinal bottoming hole
It is divided into multilayer and is equally spaced along the post jamb direction of hollow graphite post；
Upper cover is sealed with the top of the hollow graphite post, the bottom of the hollow graphite post is sealed with low head, institute
State upper cover and be provided with two crescents close to the side of hollow graphite post, the upper cover is close to the surface in hollow graphite post direction
Center is provided with the second manhole, and described two crescents are symmetric along the second manhole, two crescents
There is gap between both ends, the crescent is connected with longitudinal bottoming hole, and the surrounding of crescent passes through binding agent and hollow stone
Mo Zhu end face seal connection, the inside of the crescent is infundibulate, and side of the crescent away from hollow graphite post is set
There are a charge door and discharging opening, the charge door and discharging opening stretch out the top of upper cover, and the charge door and discharging opening are along
Two manholes are symmetric；
The low head also is provided with crescent, the second manhole, charge door and discharging opening, the upper cover and low head
In 90 ° of angle Central Symmetries, i.e. the crescent of the crescent of upper cover and low head is in 90 ° of Central Symmetries.
Preferably, hollow graphite post, upper cover and the low head are impregnated graphite.
Preferably, the preparation method of the impregnated graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor,
Solvent, reaction promoter, catalyst and additive are added, prepares polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation to poly- four
In PVF prepolymer solution, temperature is raised, proper time can raise pressure, and add curing agent；Treat polytetrafluoroethylene (PTFE) pre-polymerization
After body solidification, graphite, drying, edging, finished product impregnated graphite are taken out.
Preferably, the pressure is no more than 0.3MPa.
Preferably, the molecular weight of the polytetrafluoroethylene (PTFE) is not less than 200,000.
Preferably, the beeline between the cross-feed hole and longitudinal bottoming hole is not less than 1cm.
Preferably, the inside of the crescent is infundibulate, and the aperture inside the crescent is more than the aperture of its end face.
Preferably, the inside of the crescent is formed by inclined-plane drill bit fluting.
Preferably, the charge door and discharging opening are respectively connected with graphite-pipe.
Preferably, the pressure of the charge door and discharging opening is no more than 0.3MPa.
Compared with prior art, the beneficial effects of the invention are as follows：
1. hollow graphite post, upper cover and the low head in the present invention are impregnated graphite, structural homogeneity is preferable, temperature
It is consistent with expansion rate to change lower contraction, stress structure will not be caused poor, structural strength is high.
2. present invention also offers a kind of preparation method of impregnated graphite, its use corrosion resistance it is strong, resistant to elevated temperatures poly- four
Maceration extract of the PVF as graphite, improve the service life of graphite heat exchanger.
3. in the present invention, because the crescent of upper cover and the crescent of low head are in 90 ° of Central Symmetries, hydrothermal solution to be added is allowed
Flowed by cross-feed hole in hollow graphite post, in the charge door of upper cover and low head simultaneously injection heating medium,
Longitudinal bottoming hole of the heating medium entered by upper cover through side is imported in the crescent of low head, and is produced 90 ° and liquidated, from
And the heating medium after heat exchange is discharged in longitudinal bottoming hole of opposite side, discharged by the discharging opening of upper cover, heating medium exists
A kind of new baffling is realized in graphite heat exchanger to come and go, largely effects on the efficiency of heating surface, and does not need deflection plate, saves structure
Material, and 90 ° of caused pressure that liquidate are very small, and graphite will not be caused to damage.
Brief description of the drawings
Fig. 1 is a kind of structural representation of Immersive graphite heat exchanger proposed by the present invention；
Fig. 2 is a kind of assembling fittings schematic diagram of Immersive graphite heat exchanger proposed by the present invention；
Fig. 3 is a kind of A-A profiles of Immersive graphite heat exchanger proposed by the present invention；
Fig. 4 is a kind of internal structure schematic diagram of the crescent of Immersive graphite heat exchanger proposed by the present invention.
In figure：1 hollow graphite post, 2 first manholes, 3 longitudinal bottoming holes, 4 cross-feed holes, 5 upper covers, 6 times envelopes
Head, 7 crescents, 8 second manholes, 9 charge doors, 10 discharging openings.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.
Embodiment 1：
Reference picture 1-4, a kind of Immersive graphite heat exchanger, including hollow graphite post 1, the hollow graphite post 1 are cylinder
Shape, the center of the hollow graphite post 1 is the first manhole 2, and the end face of the hollow graphite post 1 is provided with the vertical of annular spread
To bottoming hole 3, longitudinal bottoming hole 3 is parallel to the first manhole 2 and through two end faces of hollow graphite post 1, institute
The inwall for stating hollow graphite post 1 is provided with cross-feed hole 4, and the cross-feed hole 4 is through to the outer wall of hollow graphite post 1, position
Annular spread in the cross-feed hole 4 on same surface in diverging, and the cross-feed hole 4 and longitudinal bottoming hole 3 it
Between do not connect mutually, the cross-feed hole 4 is divided for multilayer and is equally spaced along the post jamb direction of hollow graphite post 1；
The top of the hollow graphite post 1 is sealed with upper cover 5, and the bottom of the hollow graphite post 1 is sealed with low head
6, the upper cover 5 is provided with two crescents 7 close to the side of hollow graphite post 1, and the upper cover 5 is close to hollow graphite post 1
The centre of surface in direction is provided with the second manhole 8, and described two crescents 7 are symmetric along the second manhole 8, two
There is gap between the both ends of the crescent 7, the crescent 7 is connected with longitudinal bottoming hole 3, and the surrounding of crescent 7 is led to
The end face seal that binding agent is crossed with hollow graphite post 1 is connected, and the inside of the crescent 7 is infundibulate, and the crescent 7 is remote
The side of hollow graphite post 1 is provided with charge door 9 and discharging opening 10, and the charge door 9 and discharging opening 10 stretch out the top of upper cover 5
Portion, the charge door 9 and discharging opening 10 are symmetric along the second manhole 8；
The low head 6 also is provided with crescent 7, the second manhole 8, charge door 9 and discharging opening 10, the upper cover 5
It is in 90 ° of angle Central Symmetries with low head 6, i.e. the crescent 7 of the crescent 7 of upper cover 5 and low head 6 is in 90 ° of Central Symmetries.
The hollow graphite post 1, upper cover 5 and low head 6 are impregnated graphite.
The preparation method of the impregnated graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor, added molten
Agent, reaction promoter, catalyst and additive, prepare polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation to polytetrafluoroethylene (PTFE)
In prepolymer solution, temperature is raised, proper time can raise pressure, and add curing agent；Treat that polytetrafluoroethylene (PTFE) performed polymer solidifies
Afterwards, graphite, drying, edging, finished product impregnated graphite are taken out.
The pressure is no more than 0.3MPa.
The molecular weight of the polytetrafluoroethylene (PTFE) is not less than 200,000.
Beeline between the cross-feed hole 4 and longitudinal bottoming hole 3 is not less than 1cm.
The inside of the crescent 7 is infundibulate, and the aperture inside the crescent 7 is more than the aperture of its end face.
The inside of the crescent 7 is formed by inclined-plane drill bit fluting.
The charge door 9 and discharging opening 10 are respectively connected with graphite-pipe.
The pressure of the charge door 9 and discharging opening 10 is no more than 0.3MPa.
As described above, individual element is assembled into hollow cylindrical shape graphite heat exchanger, by cylindrical shape graphite heat exchanger
Put in reactor, allow reaction solution to be flowed by cross-feed hole 4 in hollow graphite post 1, in upper cover 5 and low head 6
Charge door 9 in injection heating medium simultaneously, because the crescent 7 of upper cover 5 and the crescent 7 of low head 6 are in 90 ° of centers pair
Claim, longitudinal bottoming hole 3 of the heating medium through side entered by upper cover 5 is imported in the crescent of low head 6, and produces 90 °
Liquidate, so as to which the heating medium after heat exchange is discharged in longitudinal bottoming hole 3 of opposite side, discharged by the discharging opening 10 of upper cover 5,
Heating medium realizes a kind of new baffling in graphite heat exchanger and come and gone, and largely effects on the efficiency of heating surface, and do not need baffling
Plate, structural material is saved, and 90 ° of caused pressure that liquidate are very small, and graphite will not be caused to damage.
Embodiment 2：
Reference picture 1-4, a kind of Immersive graphite heat exchanger, including hollow graphite post 1, the hollow graphite post 1 are cylinder
Shape, the center of the hollow graphite post 1 is the first manhole 2, and the end face of the hollow graphite post 1 is provided with the vertical of annular spread
To bottoming hole 3, longitudinal bottoming hole 3 is parallel to the first manhole 2 and through two end faces of hollow graphite post 1, institute
The inwall for stating hollow graphite post 1 is provided with cross-feed hole 4, and the cross-feed hole 4 is through to the outer wall of hollow graphite post 1, position
Annular spread in the cross-feed hole 4 on same surface in diverging, and the cross-feed hole 4 and longitudinal bottoming hole 3 it
Between do not connect mutually, the cross-feed hole 4 is divided for multilayer and is equally spaced along the post jamb direction of hollow graphite post 1；
The top of the hollow graphite post 1 is sealed with upper cover 5, and the bottom of the hollow graphite post 1 is sealed with low head
6, the upper cover 5 is provided with two crescents 7 close to the side of hollow graphite post 1, and the upper cover 5 is close to hollow graphite post 1
The centre of surface in direction is provided with the second manhole 8, and described two crescents 7 are symmetric along the second manhole 8, two
There is gap between the both ends of the crescent 7, the crescent 7 is connected with longitudinal bottoming hole 3, and the surrounding of crescent 7 is led to
The end face seal that binding agent is crossed with hollow graphite post 1 is connected, and the inside of the crescent 7 is infundibulate, and the crescent 7 is remote
The side of hollow graphite post 1 is provided with charge door 9 and discharging opening 10, and the charge door 9 and discharging opening 10 stretch out the top of upper cover 5
Portion, the charge door 9 and discharging opening 10 are symmetric along the second manhole 8；
The low head 6 also is provided with crescent 7, the second manhole 8, charge door 9 and discharging opening 10, the upper cover 5
It is in 90 ° of angle Central Symmetries with low head 6, i.e. the crescent 7 of the crescent 7 of upper cover 5 and low head 6 is in 90 ° of Central Symmetries.
The hollow graphite post 1, upper cover 5 and low head 6 are impregnated graphite.
The preparation method of the impregnated graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor, added molten
Agent, reaction promoter, catalyst and additive, prepare polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation to polytetrafluoroethylene (PTFE)
In prepolymer solution, temperature is raised, proper time can raise pressure, and add curing agent；Treat that polytetrafluoroethylene (PTFE) performed polymer solidifies
Afterwards, graphite, drying, edging, finished product impregnated graphite are taken out.
The pressure is no more than 0.3MPa.
The molecular weight of the polytetrafluoroethylene (PTFE) is not less than 200,000.
Beeline between the cross-feed hole 4 and longitudinal bottoming hole 3 is not less than 1cm.
The inside of the crescent 7 is infundibulate, and the aperture inside the crescent 7 is more than the aperture of its end face.
The inside of the crescent 7 is formed by inclined-plane drill bit fluting.
The charge door 9 and discharging opening 10 are respectively connected with graphite-pipe.
The pressure of the charge door 9 and discharging opening 10 is no more than 0.3MPa.
As described above, individual element is assembled into hollow cylindrical shape graphite heat exchanger, by cylindrical shape graphite heat exchanger
Immerse in Steel-rolling Industry acid pond and acid is heated, allow acid solution to be flowed by cross-feed hole 4 in hollow graphite post 1, upper
Injection heating medium simultaneously in the charge door 9 of end socket 5 and low head 6, due to the crescent moon of crescent 7 and the low head 6 of upper cover 5
Groove 7 is in 90 ° of Central Symmetries, and the crescent of low head 6 is imported by longitudinal bottoming hole 3 of the water vapour that upper cover 5 enters through side
In, and produce 90 ° and liquidate, so as to which the water vapour after heat exchange is discharged in longitudinal bottoming hole 3 of opposite side, by going out for upper cover 5
Material mouth 10 is discharged, and water vapour realizes a kind of new baffling in graphite heat exchanger and come and gone, and largely effects on the efficiency of heating surface, and not
Deflection plate is needed, saves structural material, and 90 ° of caused pressure that liquidate are very small, and graphite will not be caused to damage.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (10)
1. a kind of Immersive graphite heat exchanger, including hollow graphite post (1), it is characterised in that the hollow graphite post (1) is circle
Cylindricality, the center of the hollow graphite post (1) is the first manhole (2), and the end face of the hollow graphite post (1) is provided with annular
Longitudinal bottoming hole (3) of distribution, longitudinal bottoming hole (3) is parallel to the first manhole (2) and through hollow graphite post
(1) two end faces, the inwall of the hollow graphite post (1) are provided with cross-feed hole (4), and the cross-feed hole (4) is run through
To the outer wall of hollow graphite post (1), the cross-feed hole (4) positioned at same surface is in the annular spread of diverging, and described
Do not connected mutually between cross-feed hole (4) and longitudinal bottoming hole (3), the cross-feed hole (4) is divided into multilayer and along hollow
The post jamb direction of graphite column (1) is equally spaced；
Upper cover (5) is sealed with the top of the hollow graphite post (1), the bottom of the hollow graphite post (1) is sealed with lower envelope
Head (6), the upper cover (5) are provided with two crescents (7) close to the side of hollow graphite post (1), and the upper cover (5) is close
The centre of surface in hollow graphite post (1) direction is provided with the second manhole (8), and described two crescents (7) are circular logical along second
Hole (8) is symmetric, and has gap, the crescent (7) and longitudinal bottoming hole between the both ends of two crescents (7)
(3) it is connected, and the surrounding of crescent (7) is connected by binding agent with the end face seal of hollow graphite post (1), the crescent
(7) inside is infundibulate, and side of the crescent (7) away from hollow graphite post (1) is provided with charge door (9) and discharging opening
(10), the charge door (9) and discharging opening (10) stretch out the top of upper cover (5), the charge door (9) and discharging opening (10)
It is symmetric along the second manhole (8)；
The low head (6) also is provided with crescent (7), the second manhole (8), charge door (9) and discharging opening (10), it is described on
End socket (5) and low head (6) are in 90 ° of angle Central Symmetries, i.e. the crescent of the crescent (7) of upper cover (5) and low head (6)
(7) it is in 90 ° of Central Symmetries.
A kind of 2. Immersive graphite heat exchanger according to claim 1, it is characterised in that the hollow graphite post (1), on
End socket (5) and low head (6) are impregnated graphite.
A kind of 3. Immersive graphite heat exchanger according to claim 2, it is characterised in that the making side of the impregnated graphite
Method comprises the following steps：Tetrafluoroethylene monomer is placed in reactor, adds solvent, reaction promoter, catalyst and additive,
Prepare polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation into polytetrafluoroethylene (PTFE) prepolymer solution, temperature, proper time are raised
Pressure can be raised, and adds curing agent；After the solidification of polytetrafluoroethylene (PTFE) performed polymer, graphite, drying, edging, finished product are taken out
Impregnated graphite.
4. a kind of Immersive graphite heat exchanger according to claim 3, it is characterised in that the pressure is no more than
0.3MPa。
A kind of 5. Immersive graphite heat exchanger according to claim 3, it is characterised in that the molecule of the polytetrafluoroethylene (PTFE)
Amount is not less than 200,000.
A kind of 6. Immersive graphite heat exchanger according to claim 1, it is characterised in that the cross-feed hole (4) with
Beeline between longitudinal bottoming hole (3) is not less than 1cm.
A kind of 7. Immersive graphite heat exchanger according to claim 1, it is characterised in that the inside of the crescent (7)
For infundibulate, the internal aperture of the crescent (7) is more than the aperture of its end face.
8. according to a kind of Immersive graphite heat exchanger described in claim 1 and claim 7, it is characterised in that the crescent moon
The inside of groove (7) is formed by inclined-plane drill bit fluting.
9. a kind of Immersive graphite heat exchanger according to claim 1, it is characterised in that the charge door (9) and discharging
Mouth (10) is respectively connected with graphite-pipe.
10. a kind of Immersive graphite heat exchanger according to claim 1, it is characterised in that the charge door (9) and discharging
The pressure of mouth (10) is no more than 0.3MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790974.8A CN107560486A (en) | 2017-09-05 | 2017-09-05 | A kind of Immersive graphite heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790974.8A CN107560486A (en) | 2017-09-05 | 2017-09-05 | A kind of Immersive graphite heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107560486A true CN107560486A (en) | 2018-01-09 |
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ID=60979304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790974.8A Pending CN107560486A (en) | 2017-09-05 | 2017-09-05 | A kind of Immersive graphite heat exchanger |
Country Status (1)
| Country | Link |
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| CN (1) | CN107560486A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407205A (en) * | 2019-07-11 | 2019-11-05 | 上海应用技术大学 | A kind of method that compound impregnating agent promotes impregnated graphite performance |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285656A (en) * | 2008-05-26 | 2008-10-15 | 北京航空航天大学 | Ring shell and tube type heat exchanger possessing commutation function |
| CN102345987A (en) * | 2010-08-05 | 2012-02-08 | 钱尉兵 | Immersive graphite heat exchanger |
| CN103837019A (en) * | 2014-03-19 | 2014-06-04 | 常州泰特环境设备工程有限公司 | Round block hole type multi-path graphite heat exchanger |
-
2017
- 2017-09-05 CN CN201710790974.8A patent/CN107560486A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101285656A (en) * | 2008-05-26 | 2008-10-15 | 北京航空航天大学 | Ring shell and tube type heat exchanger possessing commutation function |
| CN102345987A (en) * | 2010-08-05 | 2012-02-08 | 钱尉兵 | Immersive graphite heat exchanger |
| CN103837019A (en) * | 2014-03-19 | 2014-06-04 | 常州泰特环境设备工程有限公司 | Round block hole type multi-path graphite heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110407205A (en) * | 2019-07-11 | 2019-11-05 | 上海应用技术大学 | A kind of method that compound impregnating agent promotes impregnated graphite performance |
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Application publication date: 20180109 |