CN107560463A - A kind of tube-type graphite heat exchanger for powder heating - Google Patents
A kind of tube-type graphite heat exchanger for powder heating Download PDFInfo
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- CN107560463A CN107560463A CN201710790980.3A CN201710790980A CN107560463A CN 107560463 A CN107560463 A CN 107560463A CN 201710790980 A CN201710790980 A CN 201710790980A CN 107560463 A CN107560463 A CN 107560463A
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- tube
- graphite
- housing
- heat exchanger
- end socket
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Abstract
The invention discloses a kind of tube-type graphite heat exchanger for powder heating, including housing, the both ends of the housing exterior walls to be respectively arranged with medium inlet and media outlet, and medium inlet and media outlet are provided with adpting flange, and adpting flange is provided with screw；Two end faces of housing have been bolted end socket, and the surface of end socket is socketed with graphite by through hole and restrained；Side bag of institute's end socket away from housing is connected to filler tube, and the tube wall of housing side filler tube is provided with charging aperture, and the tube wall of housing opposite side filler tube is provided with discharging opening；Graphite tube bank is through the inside of housing, and the filler tube of housing both sides is connected by graphite tube bank；The tube wall restrained positioned at the graphite of enclosure interior is socketed in the through hole of deflection plate.The Stability Analysis of Structures of the present invention is strong, and inner sealing is good, corrosion resistance, high temperature resistant, improves the life-span of graphite heat exchanger, and 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 tube-type graphite heat exchange for powder heating
Device.
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.
Shell-and-tube heat exchanger (shell and tube heat exchanger) is also known as tubular heat exchanger, is to close
Dividing wall type heat exchanger of the wall restrained in the housing as heat-transfer area.This heat exchanger structure is simpler, and operation is reliable, can use
Various structural material (mainly metal material) manufactures, can use under high temperature, high pressure, be type most widely used at present.
Tube-type graphite heat exchanger corrosion resistance and good, heat-transfer area is less scaling, and heat transfer property is good, but graphite is brittle
Split, bending resistance and tensile strength are low, thus are only used for low pressure, and its operating pressure is typically also only 0.2~0.3 MPa.Especially exist
When being heated for powder, due to the heated free wxpansion of graphite tube bank, it is necessary to relatively complicated compensation device, tube bank and housing both ends
Sealing between face (i.e. tube sheet) is difficult to be guaranteed.So as to reduce the air-tightness and heat exchange efficiency inside heat exchanger, very
To being damaged to housing, the loss that can not be retrieved is caused.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of of proposition is used for what powder heated
Tube-type graphite heat exchanger.
To achieve these goals, present invention employs following technical scheme：
A kind of tube-type graphite heat exchanger for powder heating, including housing, the housing are cylindrical shape, the housing
The both ends of outer wall are respectively arranged with medium inlet and media outlet, and the opening of the medium inlet and media outlet is provided with
Adpting flange, side of the adpting flange away from housing are provided with the screw of annular spread；Two end faces of the housing are equal
End socket is bolted, the surface of the end socket is socketed with graphite by through hole and restrained；The end socket away from housing one
Side bag is connected to filler tube, and the tube wall of housing side filler tube is provided with charging aperture, the tube wall of the housing opposite side filler tube
Provided with discharging opening；
The graphite tube bank is through the inside of housing, and the filler tube of housing both sides is connected by graphite tube bank；Position
It is socketed in the tube wall that the graphite of enclosure interior is restrained in the through hole of deflection plate, between deflection plate and the graphite tube bank
Angle is 90-120 °.
Preferably, the housing, end socket, graphite tube bank, filler tube and deflection plate are immersion-type graphite.
Preferably, the preparation method of the immersion-type graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor
In, solvent, reaction promoter, catalyst and additive are added, prepares polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation to poly-
In tetrafluoroethene prepolymer solution, temperature is raised, proper time can raise pressure, and add curing agent；Treat that polytetrafluoroethylene (PTFE) is pre-
After aggressiveness solidification, graphite, drying, edging, finished product immersion-type graphite are taken out.
Preferably, the pressure is no more than 0.4Mpa.
Preferably, the molecular weight of the polytetrafluoroethylene (PTFE) is not less than 300,000.
Preferably, the junction of the graphite tube bank and end socket is filled with fluid sealant, the graphite tube bank and the company of deflection plate
The place of connecing also is filled with fluid sealant.
Preferably, the fluid sealant is specially polytetrafluoroethylene (PTFE) performed polymer colloidal sol, and its processing method comprises the following steps：Will
Tetrafluoroethylene monomer is placed in reactor, adds solvent, reaction promoter, catalyst and additive, it is pre- to prepare polytetrafluoroethylene (PTFE)
Aggressiveness colloidal sol；By graphite impregnation into polytetrafluoroethylene (PTFE) performed polymer colloidal sol, temperature is raised, proper time can raise pressure, and add
Reinforce agent；Polytetrafluoroethylene (PTFE) performed polymer colloidal sol is applied in the through hole on end socket surface and in the through hole of baffling plate surface,
Graphite tube bank is connected to end socket and deflection plate；With blast heating or infrared heating, its solidification is treated, that is, completes the close of graphite tube bank
Envelope installation.
Preferably, the viscosity of the polytetrafluoroethylene (PTFE) performed polymer colloidal sol is 0.1-10Pas.
Preferably, the temperature of the heating is 60-100 DEG C.
Preferably, the junction pad of the adpting flange and housing is provided with graphite circle.
Preferably, the charging aperture and discharging opening are respectively connected with graphite-pipe.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention is connected on the end socket at housing both ends using graphite tube bundle wrapper, side bag of the end socket away from housing connects
There is filler tube, the tube wall of housing side filler tube is provided with charging aperture, and the tube wall of the housing opposite side filler tube is provided with out
Material mouth, the graphite tube bank is through the inside of housing, and the filler tube of housing both sides is connected by graphite tube bank；Positioned at shell
The tube wall of the graphite tube bank in internal portion is socketed in the through hole of deflection plate, the angle between deflection plate and the graphite tube bank
For 90-120 °；By simple structure design, the heating to powder is realized, heating medium is made fold return motion in housing, carried
The time of contact of high heating and shell side, so as to improve the efficiency of heating surface.
2. the invention provides a kind of preparation method of immersion-type 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. present invention also offers a kind of preparation method of polytetrafluoroethylene (PTFE) performed polymer colloidal sol, and as fluid sealant,
Graphite is restrained is filled with fluid sealant with the junction of end socket, and the graphite tube bank and the junction of deflection plate are also filled with fluid sealant, from
And the air-tightness inside heat exchanger and heat exchange efficiency are improved, the steadiness of heat exchanger structure is also improved, raising uses the longevity
Life, has saved heat exchange cost.
Brief description of the drawings
Fig. 1 is a kind of structural representation of tube-type graphite heat exchanger for powder heating proposed by the present invention；
Fig. 2 is a kind of structural representation of the housing of tube-type graphite heat exchanger for powder heating proposed by the present invention
Figure；
Fig. 3 is that a kind of structure of the graphite tube bank of tube-type graphite heat exchanger for powder heating proposed by the present invention is shown
It is intended to；
In figure：1 housing, 2 medium inlets, 3 media outlets, 4 adpting flanges, 5 bolts, 6 end sockets, the tube bank of 7 graphite, 8 funnels
Pipe, 9 charging apertures, 10 discharging openings, 11 deflection plates.
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.
Reference picture 1-3, a kind of tube-type graphite heat exchanger for powder heating, including housing 1, the housing 1 are circle
Tubular, the both ends of the outer wall of housing 1 are respectively arranged with medium inlet 2 and media outlet 3, and the medium inlet 2 and medium go out
The opening of mouth 3 is provided with adpting flange 4, and the side of the adpting flange 4 away from housing 1 is provided with the spiral shell of annular spread
Hole；Two end faces of the housing 1 are connected with end socket 6 by bolt 5, and the surface of the end socket 6 is socketed with stone by through hole
Ink tube bank 7；Side bag of the end socket 6 away from housing 1 is connected to filler tube 8, and the tube wall of the side filler tube 8 of housing 1 is provided with
Charging aperture 9, the tube wall of the opposite side filler tube 8 of housing 1 are provided with discharging opening 10；
The graphite tube bank 7 is through the inside of housing 1, and the filler tube 8 of the both sides of housing 1 is connected by graphite tube bank 7
It is logical；The tube wall of graphite tube bank 7 inside housing 1 is socketed in the through hole of deflection plate 11, the deflection plate 11 and stone
Angle between ink tube bank 7 is 90-120 °.
The housing 1, end socket 6, graphite tube bank 7, filler tube 8 and deflection plate 11 are immersion-type graphite.
The preparation method of the immersion-type graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor, added
Solvent, reaction promoter, catalyst and additive, prepare polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation to polytetrafluoroethyl-ne
In alkene prepolymer solution, temperature is raised, proper time can raise pressure, and add curing agent；Treat that polytetrafluoroethylene (PTFE) performed polymer is consolidated
After change, graphite, drying, edging, finished product immersion-type graphite are taken out.
The pressure is no more than 0.4Mpa.
The molecular weight of the polytetrafluoroethylene (PTFE) is not less than 300,000.
The junction of the graphite tube bank 7 and end socket 6 is filled with fluid sealant, the graphite tube bank 7 and the connection of deflection plate 11
Place is also filled with fluid sealant.
The fluid sealant is specially polytetrafluoroethylene (PTFE) performed polymer colloidal sol, and its processing method comprises the following steps：By tetrafluoro second
Alkene monomer is placed in reactor, adds solvent, reaction promoter, catalyst and additive, it is molten to prepare polytetrafluoroethylene (PTFE) performed polymer
Glue；By graphite impregnation into polytetrafluoroethylene (PTFE) performed polymer colloidal sol, temperature is raised, proper time can raise pressure, and add solidification
Agent；Polytetrafluoroethylene (PTFE) performed polymer colloidal sol is applied in the through hole on the surface of end socket 6 and in the through hole on the surface of deflection plate 11, by stone
Ink tube bank 7 is connected to end socket 6 and deflection plate 11；With blast heating or infrared heating, its solidification is treated, that is, completes graphite tube bank 7
Sealing installation.
The viscosity of the polytetrafluoroethylene (PTFE) performed polymer colloidal sol is 0.1-10Pas.
The temperature of the heating is 60-100 DEG C.
The junction pad of the adpting flange 4 and housing 1 is provided with graphite circle.
The charging aperture 9 and discharging opening 10 are respectively connected with graphite-pipe.
The course of work of the present invention：As described above, the Graphtic heat exchanging pipe by each assembling fittings into shell and tube, will add
Thermal medium is added by medium inlet 2, can be connected by the screw on adpting flange 4 with heating the pipeline of medium, due to connection
The junction pad of flange 4 and housing 1 is provided with graphite circle, therefore will not produce leakage, and by the barrier effect of deflection plate 11, heating is situated between
Matter makees fold return motion in housing 1, improves time of contact and the shell side of heating, so as to improve the efficiency of heating surface, finally exchanges heat
Heating medium afterwards is discharged by media outlet 3.Powder to be heated is entered in filler tube 8 by charging aperture 9, is circulated into stone
In ink tube bank 7, heated medium heating, discharged again by discharging opening 10 outside heat exchanger after heating.In fill process, it can enter
The air blast of material mouth 9 is pressurizeed, and can also be depressurized in the exhausting of discharging opening 10, but is no more than with the pressure difference in the graphite tube bank 7 in housing 1
0.3MPa, to prevent graphite-pipe beam 7 from producing stress rupture.
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 (11)
1. a kind of tube-type graphite heat exchanger for powder heating, including housing (1), it is characterised in that the housing (1) is
Cylindrical shape, the both ends of housing (1) outer wall are respectively arranged with medium inlet (2) and media outlet (3), the medium inlet
(2) and the opening of media outlet (3) is provided with adpting flange (4), side of the adpting flange (4) away from housing (1)
It is provided with the screw of annular spread；Two end faces of the housing (1) are connected with end socket (6), the end socket by bolt (5)
(6) surface is socketed with graphite tube bank (7) by through hole；Side bag of the end socket (6) away from housing (1) is connected to filler tube
(8), the tube wall of housing (1) the side filler tube (8) is provided with charging aperture (9), housing (1) the opposite side filler tube (8)
Tube wall is provided with discharging opening (10)；
The graphite restrains (7) through the inside of housing (1), and the filler tube (8) of housing (1) both sides is restrained by graphite
(7) it is connected；The tube wall of the graphite tube bank (7) internal positioned at housing (1) is socketed in the through hole of deflection plate (11), described
Angle between deflection plate (11) and graphite tube bank (7) is 90-120 °.
A kind of 2. tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that the shell
Body (1), end socket (6), graphite tube bank (7), filler tube (8) and deflection plate (11) are immersion-type graphite.
A kind of 3. tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that the leaching
The preparation method of stain type graphite comprises the following steps：Tetrafluoroethylene monomer is placed in reactor, add solvent, reaction promoter,
Catalyst and additive, prepare polytetrafluoroethylene (PTFE) prepolymer solution；By graphite impregnation into polytetrafluoroethylene (PTFE) prepolymer solution,
Temperature is raised, proper time can raise pressure, and add curing agent；After the solidification of polytetrafluoroethylene (PTFE) performed polymer, graphite is taken out, is dried
It is dry, edging, finished product immersion-type graphite.
A kind of 4. tube-type graphite heat exchanger for powder heating according to claim 3, it is characterised in that the pressure
Power is no more than 0.4Mpa.
5. a kind of tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that described poly-
The molecular weight of tetrafluoroethene is not less than 300,000.
A kind of 6. tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that the stone
The junction of ink tube bank (7) and end socket (6) is filled with fluid sealant, and the graphite tube bank (7) and the junction of deflection plate (11) are also filled out
There is fluid sealant.
7. a kind of tube-type graphite heat exchanger for powder heating according to claim 6, it is characterised in that described close
Sealing is specially polytetrafluoroethylene (PTFE) performed polymer colloidal sol, and its processing method comprises the following steps：Tetrafluoroethylene monomer is placed in reaction
In kettle, solvent, reaction promoter, catalyst and additive are added, prepares polytetrafluoroethylene (PTFE) performed polymer colloidal sol；Graphite impregnation is arrived
In polytetrafluoroethylene (PTFE) performed polymer colloidal sol, temperature is raised, proper time can raise pressure, and add curing agent；By polytetrafluoroethylene (PTFE)
Performed polymer colloidal sol is applied in the through hole on end socket (6) surface and in the through hole on deflection plate (11) surface, and graphite is restrained into (7) and worn
It is connected to end socket (6) and deflection plate (11)；With blast heating or infrared heating, its solidification is treated, that is, completes the sealing of graphite tube bank (7)
Installation.
8. a kind of tube-type graphite heat exchanger for powder heating according to claim 7, it is characterised in that described poly-
The viscosity of tetrafluoroethene performed polymer colloidal sol is 0.1-10Pas.
9. a kind of tube-type graphite heat exchanger for powder heating according to claim 7, it is characterised in that described to add
The temperature of heat is 60-100 DEG C.
10. a kind of tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that described
The junction pad of adpting flange (4) and housing (1) is provided with graphite circle.
11. a kind of tube-type graphite heat exchanger for powder heating according to claim 1, it is characterised in that described
Charging aperture (9) and discharging opening (10) are respectively connected with graphite-pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790980.3A CN107560463A (en) | 2017-09-05 | 2017-09-05 | A kind of tube-type graphite heat exchanger for powder heating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710790980.3A CN107560463A (en) | 2017-09-05 | 2017-09-05 | A kind of tube-type graphite heat exchanger for powder heating |
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| Publication Number | Publication Date |
|---|---|
| CN107560463A true CN107560463A (en) | 2018-01-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710790980.3A Pending CN107560463A (en) | 2017-09-05 | 2017-09-05 | A kind of tube-type graphite heat exchanger for powder heating |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384944A (en) * | 2019-08-28 | 2019-10-29 | 南通晨光石墨设备有限公司 | Spent acid evaporation concentration equipment and waste acid treatment method |
| CN113028864A (en) * | 2021-02-26 | 2021-06-25 | 南通星球石墨股份有限公司 | Preparation method of graphite impregnated tetrafluoro shell and tube heat exchanger |
| KR20220160724A (en) * | 2021-05-28 | 2022-12-06 | 주식회사 카본가람 | Method of pfa impregnation for block type graphite heat exchanger |
| EP4279855A1 (en) * | 2022-05-18 | 2023-11-22 | Mersen France Py SAS | Method for manufacturing a heat exchange graphite assembly, corresponding assembly and tube bundle heat exchanger comprising the same |
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| CN2516933Y (en) * | 2001-07-12 | 2002-10-16 | 青岛银利石墨设备有限公司 | Tubulation graphite pipe heat exchanger |
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2017
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| CN2516933Y (en) * | 2001-07-12 | 2002-10-16 | 青岛银利石墨设备有限公司 | Tubulation graphite pipe heat exchanger |
| CN101398276A (en) * | 2008-10-23 | 2009-04-01 | 姚松年 | Tubular graphite equipment |
| CN102435094A (en) * | 2010-09-29 | 2012-05-02 | 南通五联品牌策划有限公司 | Cylindrical block hole type graphite heat exchanger with graphite shell |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110384944A (en) * | 2019-08-28 | 2019-10-29 | 南通晨光石墨设备有限公司 | Spent acid evaporation concentration equipment and waste acid treatment method |
| CN113028864A (en) * | 2021-02-26 | 2021-06-25 | 南通星球石墨股份有限公司 | Preparation method of graphite impregnated tetrafluoro shell and tube heat exchanger |
| KR20220160724A (en) * | 2021-05-28 | 2022-12-06 | 주식회사 카본가람 | Method of pfa impregnation for block type graphite heat exchanger |
| KR102542478B1 (en) | 2021-05-28 | 2023-06-14 | 주식회사 카본가람 | Method of pfa impregnation for block type graphite heat exchanger |
| EP4279855A1 (en) * | 2022-05-18 | 2023-11-22 | Mersen France Py SAS | Method for manufacturing a heat exchange graphite assembly, corresponding assembly and tube bundle heat exchanger comprising the same |
| WO2023223147A1 (en) | 2022-05-18 | 2023-11-23 | Mersen France Py Sas | Method for manufacturing a heat exchange graphite assembly, corresponding assembly and tube bundle heat exchanger comprising the same |
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Application publication date: 20180109 |
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| RJ01 | Rejection of invention patent application after publication |