CN207280262U - A kind of new propane reboiler - Google Patents
A kind of new propane reboiler Download PDFInfo
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- CN207280262U CN207280262U CN201721321826.3U CN201721321826U CN207280262U CN 207280262 U CN207280262 U CN 207280262U CN 201721321826 U CN201721321826 U CN 201721321826U CN 207280262 U CN207280262 U CN 207280262U
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- cavity
- reboiler
- tube sheet
- flange
- end socket
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Abstract
This application discloses a kind of new propane reboiler, including the first reboiler, conveyance conduit and the second reboiler；The fluid inlet, the first end socket, the first cavity, first flange, the first tube sheet, the second cavity, the second tube sheet, second flange and the second end socket are in turn connected to form first reboiler；3rd end socket, the 3rd flange, the 3rd tube sheet, the 3rd cavity, the 4th flange, the 4th tube sheet, the 4th end socket and fluid outlet are in turn connected to form the second reboiler；One end of conveyance conduit connects the second end socket in the first reboiler, and the other end connects the 3rd end socket in the second reboiler；Some corrugated heat-exchange pipelines are provided between first tube sheet and the second tube sheet, the 3rd tube sheet and the 4th tube sheet；The problems such as new propane reboiler final purpose reaches the thorough of heat exchange result, solves in propane heat transfer process, does not reach preferable heat exchange target in production or use, and heat exchange efficiency is low, and pipeline heat exchange area is small, and security is poor, and operating process is unstable.
Description
Technical field
This application involves technical field of chemical, more particularly to a kind of new propane reboiler.
Background technology
Heat exchanger is a kind of equipment that the partial heat of hot fluid is passed to cold fluid, in chemical process, reboiler
Most common boiling heat transfer equipment, reboiler be one can heat-shift, while have the special installation of vaporization space, it can
Liquid is set to heat up again vaporization or the exchange that makes gas realize temperature.Reboiler is more to be shared with fractionating column, in reboiler
Material liquid level and fractionating column liquid level in sustained height, provide liquid phase from bottom of towe line and enter in reboiler.The two-phase being vaporized
Stream is sent back in fractionating column, returns to the gaseous component in tower upwardly through tower tray, liquid phase component is fallen to return to bottom of towe.
The principle of reboiler is to produce promotion by the density contrast of two phase flow in the fluid pressure head core reboiler in tower reactor
Power is formed.It is motive force using the density contrast of gas-liquid mixture in reboiler and bottom of towe liquid, flowing of the increase fluid in pipe
Speed, reduces the deposition of dirt, improves heat transfer coefficient, and device is compact, and floor space is small；Existing reboiler is mainly by sealing
Head, housing and the heat exchange pipeline composition in housing.
Usually there is short life in reboiler of the prior art, and fluctuation of service, heat exchange efficiency is low, and heat transfer effect is not thorough
The problems such as, and heat exchange pipeline corrodes usually because carrying different media, accelerates the loss of reboiler, together in succession
When existing reboiler more using straight tube exchange heat, straight tube heat exchange tube side it is short.Built-in medium heat exchange is also insufficient, long-time service
When, exchanged heat using straight tube form, heat exchange pipeline internal stress cannot discharge in time.
Utility model content
This application provides a kind of new propane reboiler, to solve in propane heat transfer process, does not reach production or makes
With the middle preferable target that exchanges heat, the problems such as heat exchange efficiency is low, and operating process is unstable.
This application provides a kind of new propane reboiler, including the first reboiler, conveyance conduit and the second reboiler.
First reboiler includes fluid inlet, the first end socket, the first cavity, first flange, the first tube sheet, the second chamber
Body, the second tube sheet, second flange and the second end socket.
The fluid inlet, the first end socket, the first cavity, first flange, the first tube sheet, the second cavity, the second tube sheet,
Two flanges and the second end socket are in turn connected to form first reboiler.
Second reboiler includes the 3rd end socket, the 3rd flange, the 3rd tube sheet, the 3rd cavity, the 4th flange, the 4th pipe
Plate, the 4th end socket and fluid outlet.
3rd end socket, the 3rd flange, the 3rd tube sheet, the 3rd cavity, the 4th flange, the 4th tube sheet, the 4th end socket and
Fluid outlet is in turn connected to form second reboiler.
One end of the conveyance conduit connects the second end socket in the first reboiler, and the other end connects second reboiler
In the 3rd end socket.
Some corrugated heat-exchange pipelines are provided between first tube sheet and the second tube sheet, the 3rd tube sheet and the 4th tube sheet.
The top or bottom of second cavity and the 3rd cavity are provided with some pieces of baffle plates, the baffle plate
It is each perpendicular to the central axes of second cavity and the 3rd cavity.
The corrugated heat-exchange pipeline is U-shaped corrugated heat-exchange pipeline, including pipeline body and heat transfer layer, and the heat transfer layer is set
In on the outer surface of the pipeline body.
By-passing parts are provided with first cavity, the top of first cavity is fixed in one end of the by-passing parts
End, the bottom of first cavity is fixed in one end.
The top of second cavity and the top of the 3rd cavity are respectively arranged with medium inlet, second cavity
Bottom and the bottom of the 3rd cavity be respectively arranged with media outlet.
The bottom of second cavity and the bottom of the 3rd cavity are respectively arranged with sewage draining exit.
Pressure gauge is respectively arranged with the top of the top of second cavity and the 3rd cavity.
Between the first flange and first tube sheet, between the second flange and second tube sheet, described
Between three flanges and the 3rd tube sheet, it is connected by screw bolts between the 4th tube sheet and the 4th flange.
Safety valve is provided with first end socket and the 3rd end socket.
The corrugated heat-exchange pipeline is made of alloy steel material.
First cavity, the second cavity, the 3rd cavity and baffle plate are made of stainless steel material.
From above-described embodiment as can be seen that a kind of new propane reboiler that the application provides, including it is the first reboiler, defeated
Send pipeline and the second reboiler；First reboiler includes fluid inlet, the first end socket, the first cavity, first flange, first
Tube sheet, the second cavity, the second tube sheet, second flange and the second end socket；The fluid inlet, the first end socket, the first cavity, first
Flange, the first tube sheet, the second cavity, the second tube sheet, second flange and the second end socket are in turn connected to form first reboiler；
Second reboiler includes the 3rd end socket, the 3rd flange, the 3rd tube sheet, the 3rd cavity, the 4th flange, the 4th tube sheet, the 4th
End socket and fluid outlet；3rd end socket, the 3rd flange, the 3rd tube sheet, the 3rd cavity, the 4th flange, the 4th tube sheet,
4th end socket and media outlet are in turn connected to form second reboiler；One end of the conveyance conduit connects the first reboiler
In the second end socket, the other end connects the 3rd end socket in second reboiler；First tube sheet and the second tube sheet, the 3rd
Some corrugated heat-exchange pipelines are provided between tube sheet and the 4th tube sheet；The top of second cavity and the 3rd cavity or
Bottom is provided with some pieces of baffle plates, and the baffle plate is perpendicular to the central axes of second cavity and the 3rd cavity.
Propane enters fluid inlet, while the medium that transmission heat is played in device enters medium inlet, to carry out first
Heat exchange, propane enter corrugated heat-exchange pipeline by tube sheet, and " ripple " design of pipeline can increase the heat exchange area of fluid, improve
Heat exchange efficiency, corrugated heat-exchange pipeline freer can stretch to be U-shaped, thermal stress will not be produced because of the temperature difference between shell, heat
Compensation performance is good, because two-tube-pass, propane flow is longer, and flow velocity is also high, good heat-transfer, and bearing capacity is strong, it is often more important that
Maintenance and cleaning are convenient.Heat transfer layer is also corrugated, and the hole of arrangement dense distribution above, meets heat transfer effect to greatest extent
Rate.The medium for transmitting heat exchanges heat propane on the outside of corrugated heat-exchange pipeline, changes fluid stream by the baffle plate of setting
To increase turbulent flow, reduces the dead band in flow process, lengthen flow, is conducive to improve heat transfer effect, baffle plate is to corrugated heat-exchange
Pipeline plays support, the effect of positioning.Propane after exchanging heat for the first time cannot still meet Chemical Manufacture requirement, therefore propane
Need to carry out second of heat exchange again, second of heat exchange principle is identical with first time.At the same time in second cavity and the described 3rd
Pressure gauge is both provided with the top of cavity.The pressure change in new propane reboiler is monitored, pressure equilibrium in use is ensured, carries
High security.New propane reboiler final purpose reaches the thorough of heat exchange result, solves in propane heat transfer process, does not reach
Preferable heat exchange target in production or use, heat exchange efficiency is low, and pipeline heat exchange area is small, and security is poor, and operating process is unstable
The problems such as.
Brief description of the drawings
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without having to pay creative labor,
Other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is a kind of structure diagram of new propane reboiler of the application；
Fig. 2 is the corrugated heat-exchange pipeline structure diagram that the application provides；
Wherein, the first reboilers of 1-, 2- conveyance conduits, the second reboilers of 3-, 4- fluid inlets, the first end sockets of 5-, 6-
One cavity, 7- first flanges, 8- by-passing parts, the first tube sheets of 9-, the second cavitys of 10-, 11- bolts, the second tube sheets of 12-, 13-
Two flanges, 14- sewage draining exits, the second end sockets of 15-, the 3rd end sockets of 16-, the 3rd flanges of 17-, the 3rd tube sheets of 18-, the 3rd cavitys of 19-,
The 4th flanges of 20-, the 4th tube sheets of 21-, the 4th end sockets of 22-, 23- fluid outlets, 24- medium inlets, 25- media outlets, 26- ripples
Line heat exchange pipeline, 27- baffle plates, 28- pressure gauges, 29- safety valves, 261- pipeline bodies, 262- heat transfer layers.
Embodiment
It is a kind of structure diagram of new propane reboiler referring to Fig. 1.
New propane reboiler includes the first reboiler 1,2 and second reboiler 3 of conveyance conduit.
Wherein the first reboiler 1 include fluid inlet 4, the first end socket 5, the first cavity 6, first flange 7, the first tube sheet 9,
Second cavity 10, the second tube sheet 12,13 and second end socket 15 of second flange；The fluid inlet 4, the first end socket 5, the first cavity
6th, first flange 7, the first tube sheet 9, the second cavity 10, the second tube sheet 12,13 and second end socket 15 of second flange are sequentially connected shape
Into first reboiler 1.
Second reboiler 3 includes the 3rd end socket 16, the 3rd flange 17, the 3rd tube sheet 18, the 3rd cavity 19, the 4th method
Blue 20, the 4th tube sheet 21, the 4th end socket 22 and fluid outlet 23.
3rd end socket 16, the 3rd flange 17, the 3rd tube sheet 18, the 3rd cavity 19, the 4th flange 20,
Four tube sheets 21, the 4th end socket 22 and fluid outlet 23 are in turn connected to form second reboiler 3.
Further, one end of the conveyance conduit 2 connects the second end socket 15 in the first reboiler 1, other end connection
The 3rd end socket 16 in second reboiler 3；First tube sheet, 9 and second tube sheet 12, the 3rd tube sheet 18 and the 4th tube sheet
Some corrugated heat-exchange pipelines 26 are provided between 21；The top or bottom of second cavity 10 and the 3rd cavity 19 are set
Some pieces of baffle plates 27 are equipped with, the baffle plate 27 is perpendicular to second cavity 10 and the axis of the 3rd cavity 19
Line.
The top of second cavity 10 and the top of the 3rd cavity 19 are respectively arranged with medium inlet 24, and described
The bottom of two cavitys 10 and the bottom of the 3rd cavity 19 are respectively arranged with media outlet 25.
The present embodiment is reached propane and farthest exchanged heat, fully met using the form of two kinds of reboiler combination connections
Needed for material in actual Chemical Manufacture.Specifically, propane enters from fluid inlet 4, by entering the first chamber after the first end socket 5
The medium that transmission heat is played in body 6 while device is entered in device from positioned at the medium inlet 24 on 10 top of the second cavity.
And then realize the first step of heat transfer process.
After propane enters the first cavity 6, it need to be opened up on by-passing parts 8 more via the by-passing parts 8 in the first cavity 6
The identical fluid dispensing bores of a size and shape, by-passing parts 8 can play the role of making fluid cushion and it are distributed,
It is final to enable the flowing through of propane even speed, stabilize chamber vivo environment；Propane enters the second chamber after flowing through by-passing parts 8
Body 10, the both ends of the second cavity are disposed with the first tube sheet 9 and the second tube sheet 12, are provided between the first tube sheet 9 and the second tube sheet 12
Opened up on some corrugated heat-exchange pipelines 26, the first tube sheet 9 and the second tube sheet 12 and 26 diameter phase of corrugated heat-exchange pipeline
Same hole, convenient preferably fixed corrugated heat-exchange pipeline 26, and to ensure good sealing.
Referring to Fig. 2, for the structure diagram of the corrugated heat-exchange pipeline 26 of the application offer, the corrugated heat-exchange pipeline 26 is
U-shaped corrugated heat-exchange pipeline, including pipeline body 261 and heat transfer layer 262, the heat transfer layer 262 are arranged at the pipeline body 261
Outer surface on." ripple " design of pipeline can increase the heat exchange area of fluid, improve heat exchange efficiency, and in addition U-shaped ripple changes
The tube bank retractable of hot channel, will not produce thermal stress because of the temperature difference between shell, and thermal compensation performance is good, because double
Tube side, propane flow is longer, and flow velocity is also high, good heat-transfer, and bearing capacity is strong, it is often more important that maintenance and cleaning are convenient.
Heat transfer layer 262 is also corrugated, and the hole of arrangement dense distribution above, meets heat transfer efficiency to greatest extent.
Further, medium can be by being arranged on the baffle plate 27 on 10 top of the second cavity or bottom in the second cavity 10
Change fluid flow direction, increase turbulent flow, reduce the dead band in flow process, lengthen flow, be conducive to improve heat transfer effect, meanwhile,
Baffle plate 27 plays corrugated heat-exchange pipeline 26 support, the effect of positioning, because medium during flowing, is exempted from not in the second cavity 10
Corrugated heat-exchange pipeline 26 is produced resonance or produce flow velocity impact, baffle plate 27 exactly can exempt from corrugated tube road 26
By external interference, increase stability.
Further, after medium carries out heat exchange processing in the second cavity 10 to propane, medium without more utility values again,
At this moment can be flowed out from the media outlet 25 for being arranged on 10 bottom of the second cavity, so as to complete the first of new propane reboiler
Secondary heat exchange.
Due to the requirement to Chemical Manufacture condition, the first time heat exchange of propane does not reach actual requirement, passes through at this time
Cross the methane of heat exchange for the first time and exchange heat, it is necessary to complete second via conveyance conduit 2, i.e., into the second reboiler 3, second boils again
Identical details are not described herein for the heat transfer process of device 3 and the first reboiler.Flowed out after the second reboiler 3 from fluid outlet 23,
Final purpose is ensuring that the state of propane after heat exchange, to reach production requirement
Further, the bottom of second cavity 10 and the bottom of the 3rd cavity 19 are respectively arranged with sewage draining exit
14.Caused dirt etc. can be discharged by this mouth after heat exchange.
Further, the top of second cavity 10 and the top of the 3rd cavity 19 are respectively arranged with pressure gauge
28.Pressure gauge 28 can monitor the pressure in the second cavity 10 and the 3rd cavity 19 in real time, medium from medium inlet 24 into
After entering, usually because the reason such as flow velocity, density causes pressure in the second cavity 10 and the 3rd cavity 19 unstable and then right
Chemical Manufacture forms security risk.Therefore by the setting of pressure gauge 28, adjust in the second cavity 10 and the 3rd cavity 19
The balance and stability of pressure.
Further, between the first flange 7 and first tube sheet 9, the second flange 13 and second pipe
Between plate 12, between the 3rd flange 17 and the 3rd tube sheet 18, the 4th tube sheet 21 and the 4th flange 20 it
Between connected using bolt 11.The convenient dismounting of this connection mode of bolt and cleaning tube sheet, while flange and pipe can be increased
Pretightning force between plate, prevents flange from being loosened with tube plate structure.
Further, it is provided with safety valve 29 on 5 and the 3rd end socket 16 of the first end socket.Flowed in and out in propane
Position is provided with safety valve, to stablize the pressure in new propane reboiler, prevents its expansion is uneven from producing danger.
Further, the corrugated heat-exchange pipeline 26 is made of alloy steel material.The intensity and corrosion resistance of steel alloy
All relative goods, can reduce the corrosion produced in medium course of conveying, extend the service life of corrugated heat-exchange pipeline 26.
Further, first cavity 6, the second cavity 10, the 3rd cavity 19 and baffle plate 27 use stainless steel material
Make, specific stainless steel material can select austenitic stainless steel.Austenitic stainless steel is a kind of corrosion-resisting steel, and mechanical property is good,
The corrosion produced during media flow to it can be effectively reduced, while resonance caused by media flow can be reduced.
From above-described embodiment as can be seen that the application provide a kind of new propane reboiler, including the first reboiler 1,
2 and second reboiler 3 of conveyance conduit；First reboiler 1 includes fluid inlet 4, the first end socket 5, the first cavity 6, first
Flange 7, the first tube sheet 9, the second cavity 10, the second tube sheet 12,13 and second end socket 15 of second flange；The fluid inlet 4,
One end socket 5, the first cavity 6, first flange 7, the first tube sheet 9, the second cavity 10, the second tube sheet 12, second flange 13 and second
End socket 15 is in turn connected to form first reboiler 1；Second reboiler 3 includes the 3rd end socket 16, the 3rd flange 17, the
Three tube sheets 18, the 3rd cavity 19, the 4th flange 20, the 4th tube sheet 21, the 4th end socket 22 and fluid outlet 23；3rd end socket
16th, the 3rd flange 17, the 3rd tube sheet 18, the 3rd cavity 19, the 4th flange 20, the 4th tube sheet 21, the 4th end socket 22 and fluid go out
Mouth 23 is in turn connected to form second reboiler 3；One end of the conveyance conduit 2 connects the second envelope in the first reboiler 1
First 15, the other end connects the 3rd end socket 16 in second reboiler 3；First tube sheet, 9 and second tube sheet the 12, the 3rd pipe
Some corrugated heat-exchange pipelines 26 are provided between 18 and the 4th tube sheet 21 of plate；Second cavity 10 and the 3rd cavity 19
Top or bottom be respectively arranged with some pieces of baffle plates 27, the baffle plate 27 is perpendicular to second cavity 10 and described
The central axes of 3rd cavity 19.
Propane enters fluid inlet 4, while is played in device and transmit the medium of heat and enter medium inlet 24, to carry out the
One heat exchange, propane enter corrugated heat-exchange pipeline 26 by tube sheet, and " ripple " design of pipeline can increase the heat exchange area of fluid,
Heat exchange efficiency is improved, corrugated heat-exchange pipeline freer can stretch to be U-shaped, and heat will not be produced because of the temperature difference between shell should
Power, thermal compensation performance is good, because two-tube-pass, propane flow is longer, and flow velocity is also high, and good heat-transfer, bearing capacity is strong, more important
Be that maintenance and cleaning are convenient.Heat transfer layer 262 is also corrugated, and the hole of arrangement dense distribution above, full to greatest extent
Sufficient heat transfer efficiency.The medium for transmitting heat exchanges heat propane in the outside of corrugated heat-exchange pipeline 26, passes through the baffle plate of setting
27 change fluid flow direction, increase turbulent flow, reduce the dead band in flow process, lengthen flow, are conducive to improve heat transfer effect, baffling
Plate 27 plays corrugated heat-exchange pipeline 26 support, the effect of positioning.Propane after exchanging heat for the first time cannot still meet chemical industry
Production requirement, therefore propane needs to carry out second of heat exchange again, second of heat exchange principle is identical with first time.At the same time described the
The top of two cavitys 10 and the top of the 3rd cavity 19 are respectively arranged with pressure gauge 28.Monitor in new propane reboiler
Pressure change, ensures pressure equilibrium in use, improves security.New propane reboiler final purpose reaches the thorough of heat exchange result
Bottom, solves in propane heat transfer process, does not reach preferable heat exchange target in production or use, heat exchange efficiency is low, pipeline heat exchange
The problems such as area is small, and security is poor, and operating process is unstable.
Those skilled in the art will readily occur to this practicality after considering specification and putting into practice utility model disclosed herein
New other embodiments.This application is intended to cover any variations, uses, or adaptations of the utility model, these
Variations, uses, or adaptations follow the general principle of the utility model and including undocumented skills of the utility model
Common knowledge or conventional techniques in art field.Description and embodiments be considered only as it is exemplary, the utility model
True scope and spirit are pointed out by following claim.
It should be appreciated that the accurate knot that the utility model is not limited to be described above and is shown in the drawings
Structure, and various modifications and changes may be made without departing from the scope thereof.The scope of the utility model only will by appended right
Ask to limit.
Claims (10)
1. a kind of new propane reboiler, it is characterised in that including the first reboiler (1), conveyance conduit (2) and the second reboiler
(3)；
First reboiler (1) includes fluid inlet (4), the first end socket (5), the first cavity (6), first flange (7), first
Tube sheet (9), the second cavity (10), the second tube sheet (12), second flange (13) and the second end socket (15)；
The fluid inlet (4), the first end socket (5), the first cavity (6), first flange (7), the first tube sheet (9), the second cavity
(10), the second tube sheet (12), second flange (13) and the second end socket (15) are in turn connected to form first reboiler (1)；
Second reboiler (3) include the 3rd end socket (16), the 3rd flange (17), the 3rd tube sheet (18), the 3rd cavity (19),
4th flange (20), the 4th tube sheet (21), the 4th end socket (22) and fluid outlet (23)；
3rd end socket (16), the 3rd flange (17), the 3rd tube sheet (18), the 3rd cavity (19), the 4th flange (20), the 4th
Tube sheet (21), the 4th end socket (22) and fluid outlet (23) are in turn connected to form second reboiler (3)；
One end of the conveyance conduit (2) connects the second end socket (15) in the first reboiler (1), other end connection described second
The 3rd end socket (17) in reboiler (3)；
Between first tube sheet (9) and the second tube sheet (12) and between the 3rd tube sheet (18) and the 4th tube sheet (21)
It is respectively arranged with some corrugated heat-exchange pipelines (26)；
Second cavity (10) and the top of the 3rd cavity (19) or bottom are provided with some pieces of baffle plates (27), institute
Baffle plate (27) is stated perpendicular to the central axes of second cavity (10) and the 3rd cavity (19).
2. a kind of new propane reboiler according to claim 1, it is characterised in that the corrugated heat-exchange pipeline (26) is
U-shaped corrugated heat-exchange pipeline, including pipeline body (261) and heat transfer layer (262), the heat transfer layer (262) are arranged at the pipeline
On the outer surface of body (261).
3. a kind of new propane reboiler according to claim 1, it is characterised in that set in first cavity (6)
There are by-passing parts (8), the top of first cavity (6) is fixed in one end of the by-passing parts (8), and one end is fixed on described
The bottom of first cavity (6).
A kind of 4. new propane reboiler according to claim 1, it is characterised in that the second cavity (10) top and
The top of 3rd cavity (19) is respectively arranged with medium inlet (24), the bottom (10) of second cavity and the described 3rd
The bottom of cavity (19) is respectively arranged with media outlet (25).
A kind of 5. new propane reboiler according to claim 1, it is characterised in that the bottom of second cavity (10)
Sewage draining exit (14) is respectively arranged with the bottom of the 3rd cavity (19).
A kind of 6. new propane reboiler according to claim 1, it is characterised in that the top of second cavity (10)
Pressure gauge (28) is respectively arranged with the top of the 3rd cavity (19).
A kind of 7. new propane reboiler according to claim 1, it is characterised in that the first flange (7) and described
Between first tube sheet (9), between the second flange (13) and second tube sheet (12), the 3rd flange (17) with it is described
Between 3rd tube sheet (18), it is connected between the 4th tube sheet (21) and the 4th flange (20) using bolt (11).
8. a kind of new propane reboiler according to claim 1, it is characterised in that set on first end socket (5)
There is safety valve (29).
9. a kind of new propane reboiler according to claim 2, it is characterised in that the corrugated heat-exchange pipeline (26) is adopted
Made of alloy steel material.
A kind of 10. new propane reboiler according to claim 1-9 any one, it is characterised in that first chamber
Body (6), the second cavity (10), the 3rd cavity (19) and baffle plate (27) are made of stainless steel material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321826.3U CN207280262U (en) | 2017-10-13 | 2017-10-13 | A kind of new propane reboiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721321826.3U CN207280262U (en) | 2017-10-13 | 2017-10-13 | A kind of new propane reboiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207280262U true CN207280262U (en) | 2018-04-27 |
Family
ID=61979400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721321826.3U Expired - Fee Related CN207280262U (en) | 2017-10-13 | 2017-10-13 | A kind of new propane reboiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207280262U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577048A (en) * | 2020-11-30 | 2022-06-03 | 中国石油天然气集团有限公司 | Heat exchanger |
-
2017
- 2017-10-13 CN CN201721321826.3U patent/CN207280262U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114577048A (en) * | 2020-11-30 | 2022-06-03 | 中国石油天然气集团有限公司 | Heat exchanger |
| CN114577048B (en) * | 2020-11-30 | 2024-03-26 | 中国石油天然气集团有限公司 | Heat exchanging device |
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| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180427 Termination date: 20191013 |
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| CF01 | Termination of patent right due to non-payment of annual fee |