CN206886988U - A kind of synthesizing methanol water cooler for facilitating steam paraffin removal - Google Patents
A kind of synthesizing methanol water cooler for facilitating steam paraffin removal Download PDFInfo
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- CN206886988U CN206886988U CN201720523876.3U CN201720523876U CN206886988U CN 206886988 U CN206886988 U CN 206886988U CN 201720523876 U CN201720523876 U CN 201720523876U CN 206886988 U CN206886988 U CN 206886988U
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Abstract
The utility model discloses a kind of synthesizing methanol water cooler for facilitating steam paraffin removal, including methanol water cooler (1), the both ends of methanol water cooler (1) are connected to synthesis gas air inlet pipe (2) and synthesis gas blast pipe (3), and air inlet pipe valve and blow off valve are respectively arranged with synthesis gas air inlet pipe (2) and synthesis gas blast pipe (3)；The synthesis gas air inlet pipe (2) is connected with steam upper gas tube (6), and steam exhaust pipe (7) is connected with synthesis gas blast pipe (3).The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.
Description
Technical field
A kind of synthesizing methanol water cooler for facilitating steam paraffin removal is the utility model is related to, belongs to field of chemical equipment.
Background technology
Because paraffin caused by methanol synthesis reaction easily forms wax layer on water cooling wall, due to the stop of wax layer, close
Reduced into the rate of heat exchange of gas and water cooler inwall, the heat transfer effect of water cooler is deteriorated, and enters separating methanol by water cooler
The synthesis gas temperature drift of device, cause the separating effect of methanol separator poor, a small amount of methanol can not separate, circulating air
Middle methanol content is higher, first, the loss of methanol is caused, second, being degrading the reaction of synthetic tower.With the paraffin on water cooling wall
More and more, worse and worse, the synthesis gas temperature departure index finally discharged by water cooler is too high for the heat transfer effect of water cooler,
System for methanol synthesis is caused to need boiled in wax of stopping.In the prior art when stopping paraffin removal, it is necessary to which blank off enters before and after water cooler
Row isolation, and interim effective steam paraffin removal is connect, it is both dangerous, waste time again.
Utility model content
Goal of the invention of the present utility model is：For existing for prior art " when stopping paraffin removal, it is necessary in water cooler
Front and rear blank off is completely cut off, and connects interim effective steam paraffin removal, both dangerous, is wasted time again " the problem of, there is provided Yi Zhongfang
Just the synthesizing methanol water cooler of steam paraffin removal.
In order to solve the above technical problems, the utility model adopts the technical scheme that, a kind of synthesis for facilitating steam paraffin removal
Methanol water cooler, including methanol water cooler, the both ends of methanol water cooler are connected to synthesis gas air inlet pipe and synthesis gas exhaust
Manage, air inlet pipe valve and blow off valve are respectively arranged with synthesis gas air inlet pipe and synthesis gas blast pipe；The synthesis gas air inlet pipe
Steam upper gas tube is connected with, steam exhaust pipe is connected with synthesis gas blast pipe.
In the technical scheme of the application, steam upper gas tube is added in synthesis gas air inlet pipe, on synthesis gas blast pipe
Steam exhaust pipe is added, when stopping paraffin removal temporarily, it is not necessary to which blank off is completely cut off before and after water cooler, and is not required to match somebody with somebody
Steam pipe line processed, save the time of paraffin removal.
Optimize, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, be provided with the synthesis gas air inlet pipe together
Air intake valve and two air intake valves, steam upper gas tube air intake valve and two together with the junction of synthesis gas air inlet pipe
Between air intake valve；Be provided with one of drain tap and two drain taps on the synthesis gas blast pipe, steam exhaust pipe with
The junction of synthesis gas air inlet pipe is between one of drain tap and two drain taps.
Optimize, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, vapour is provided with the steam upper gas tube and is cut
Only valve, showering guilding valve is provided with steam exhaust pipe.
In the technical scheme of the application, when stopping paraffin removal, first by nitrogen displacement by the methanol-fueled CLC in water cooler
Gas is replaced into nitrogen, and after nitrogen displacement is qualified, system for methanol synthesis pressure release to normal pressure after the completion of above-mentioned work, proceeds by
Steam paraffin removal operates.During steam paraffin removal, one of air intake valve and two drain taps are first shut off, prevents steam by entering together
Air valve and two drain taps are lost in, and then open upper vapour stop valve and showering guilding valve, make steam pass sequentially through vapour stop valve,
Methanol water cooler, showering guilding valve, paraffin melting rear trickling to the showering guilding valve solidified in the presence of steam flow out.Treat showering guilding valve no longer
When flowing out waxy substance, paraffin removal terminates.
Optimize, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, middle cavity is provided with the steam exhaust pipe
Body, the both ends of hollow cavity connect steam exhaust pipe, are provided with middle barrier in hollow cavity, are provided with middle barrier logical
Hole.
Because the steam of pressurization is by the excessive velocities of methanol water cooler, steam and solidify paraffin time of contact it is shorter,
The utilization rate of steam heat is low.In order to improve residence time of the steam in methanol water cooler, increase in the technical scheme of the application
Hollow cavity and middle barrier are added, flow velocity reduces when flowing through middle barrier by the stop steam of middle barrier, increases steaming
Residence time in vapour methanol water cooler.
Optimize, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, be provided with and add in the outer wall of the hollow cavity
Heat pipe, heating tube are arranged in cylindrical helical.
After steam is by upper vapour stop valve, methanol water cooler, temperature decreases, due to adding middle barrier, paraffin
Also stopped by middle barrier, being stopped at middle barrier may be such that paraffin solidifies again for a long time.In order to improve the stream of paraffin
Dynamic property, prevents paraffin from solidifying again, heating tube is added in the technical scheme of the application, pass through the heating paraffin of heating tube
Temperature increase, mobility increase, and can prevent paraffin from solidifying again.
Optimization, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, the middle barrier is conical baffle, middle part
Through hole on baffle plate is provided with conical pipe.
Optimize, the above-mentioned synthesizing methanol water cooler for facilitating steam paraffin removal, temperature is provided with the synthesis gas blast pipe
Switch, one of air intake valve, two drain taps, upper vapour stop valve, showering guilding valve are direct-acting electromagnetic valve, temperature switch it is normally closed
Contact is series at control major loop, the control major loop of two drain taps of one of air intake valve respectively；Temperature switch it is normal
Open control major loop, the control major loop of showering guilding valve that contact is series at vapour stop valve respectively.
In the technical scheme of the application, when the synthesis gas temperature in synthesis gas blast pipe is too high, temperature switch is in high temperature
Lower closure, the normally-closed contact of temperature switch disconnect, one of air intake valve, two the drain taps stopping due to power-off, temperature
The normally opened contact conducting of degree switch, upper vapour stop valve, showering guilding valve act conducting due to energization.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, steam upper gas tube is added in synthesis gas air inlet pipe, steam exhaust pipe is added on synthesis gas blast pipe,
When stopping paraffin removal, it is not necessary to which blank off is completely cut off before and after water cooler, and is not required to Extemporaneous steam pipe line, is saved
The time of paraffin removal.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The technical characterstic of the present invention is expanded on further with specific embodiment below in conjunction with the accompanying drawings.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining this
Utility model, it is not used to limit the utility model.
As illustrated, the utility model is a kind of synthesizing methanol water cooler for facilitating steam paraffin removal, including methanol water cooler
1, the both ends of methanol water cooler 1 are connected to synthesis gas air inlet pipe 2 and synthesis gas blast pipe 3, synthesis gas air inlet pipe 2 and synthesis
Air inlet pipe valve and blow off valve are respectively arranged with gas blast pipe 3；The synthesis gas air inlet pipe 2 is connected with steam upper gas tube 6, closes
Steam exhaust pipe 7 is connected with into gas blast pipe 3.
In the technical scheme of the application, steam upper gas tube 6 is added in synthesis gas air inlet pipe 2, in synthesis gas blast pipe 3
On add steam exhaust pipe 7, when stopping paraffin removal, it is not necessary to which blank off is completely cut off before and after water cooler, and is not required to face
When prepare steam pipe line, save the time of paraffin removal.
Be provided with one of air intake valve 22 of air intake valve 21 and two in the synthesis gas air inlet pipe 2, steam upper gas tube 6 with
The junction of synthesis gas air inlet pipe 2 is between one of air intake valve 22 of air intake valve 21 and two；The synthesis gas blast pipe 3
On be provided with one of drain tap 32 of drain tap 31 and two, steam exhaust pipe 7 and the junction of synthesis gas air inlet pipe 2 are located at
Between one of drain tap 32 of drain tap 31 and two.
Vapour stop valve 61 is provided with the steam upper gas tube 6, showering guilding valve 71 is provided with steam exhaust pipe 7.
In the technical scheme of the application, when stopping paraffin removal, first by nitrogen displacement by the methanol-fueled CLC in water cooler
Gas is replaced into nitrogen, and after nitrogen displacement is qualified, system for methanol synthesis pressure release to normal pressure after the completion of above-mentioned work, proceeds by
Steam paraffin removal operates.During steam paraffin removal, one of drain tap 32 of air intake valve 21 and two is first shut off, prevents steam by one
The drain tap 32 of road air intake valve 21 and two is lost in, and then opens upper vapour stop valve 61 and showering guilding valve 71, steam is led to successively
Cross vapour stop valve 61, methanol water cooler 1, showering guilding valve 71, solidified in the presence of steam it is paraffin melting after trickling to lead leaching
Valve 71 flows out.When showering guilding valve 71 no longer flows out waxy substance, paraffin removal terminates.
Hollow cavity 8 is provided with the steam exhaust pipe 7, the both ends connection steam exhaust pipe 7 of hollow cavity 8 is hollow
Middle barrier 81 is provided with cavity 8, through hole 82 is provided with middle barrier 81.
Because the steam of pressurization is by the excessive velocities of methanol water cooler 1, steam and solidify paraffin time of contact it is shorter,
The utilization rate of steam heat is low.In order to improve residence time of the steam in methanol water cooler 1, increase in the technical scheme of the application
Hollow cavity 8 and middle barrier 81 are added, flow velocity reduces when flowing through middle barrier 81 by the stop steam of middle barrier 81, adds
The residence time in steam methane water cooler 1 is grown.
Heating tube 83 is provided with the outer wall of the hollow cavity 8, heating tube 83 is arranged in cylindrical helical.
After steam is by upper vapour stop valve 61, methanol water cooler 1, temperature decreases, due to adding middle barrier 81,
Paraffin is also stopped that being stopped at middle barrier 81 may be such that paraffin solidifies again for a long time by middle barrier 81.In order to improve
The mobility of paraffin, prevents paraffin from solidifying again, and heating tube 83 is added in the technical scheme of the application, passes through heating tube 83
Heating causes the temperature of paraffin to increase, mobility increase, and can prevent paraffin from solidifying again.
The middle barrier 81 is conical baffle, and conical pipe 84 is provided with the through hole 82 on middle barrier 81.
Be provided with temperature switch 33 in the synthesis gas blast pipe 3, one of air intake valve 21, two drain taps 32, on
Vapour stop valve 61, showering guilding valve 71 are direct-acting electromagnetic valve, and the normally-closed contact of temperature switch 33 is series at one of air intake valve respectively
21 control major loop, the control major loop of two drain taps 32；The normally opened contact of temperature switch 33 is series at vapour respectively
Control major loop, the control major loop of showering guilding valve 71 of stop valve 61.
In the technical scheme of the application, when the synthesis gas temperature in synthesis gas blast pipe 3 is too high, temperature switch 33 is in height
Temperature is lower to be closed, and the normally-closed contact of temperature switch 33 is disconnected, and one of air intake valve 21, two drain taps 32 are ended due to power-off
Close, the normally opened contact conducting of temperature switch 33, upper vapour stop valve 61, showering guilding valve 71 act conducting due to energization.
The drawbacks of overcoming prior art the utility model has the advantage of it, novelty reasonable in design.The application's
In technical scheme, steam upper gas tube 6 is added in synthesis gas air inlet pipe 2, steam exhaust-gas is added on synthesis gas blast pipe 3
Pipe 7, when stopping paraffin removal, it is not necessary to which blank off is completely cut off before and after water cooler, and is not required to Extemporaneous steam pipe line, section
The time of paraffin removal is saved.
Certainly, it is to limitation of the present utility model that described above, which is not, and the utility model is also not limited to the example above, this
The those of ordinary skill of technical field, in essential scope of the present utility model, the variations, modifications, additions or substitutions made, all
The scope of protection of the utility model should be belonged to.
Claims (7)
1. a kind of synthesizing methanol water cooler for facilitating steam paraffin removal, including methanol water cooler (1), the both ends of methanol water cooler (1)
Synthesis gas air inlet pipe (2) and synthesis gas blast pipe (3) are connected to, in synthesis gas air inlet pipe (2) and synthesis gas blast pipe (3)
It is respectively arranged with air inlet pipe valve and blow off valve；It is characterized in that：The synthesis gas air inlet pipe (2) is connected with steam upper gas tube
(6) steam exhaust pipe (7), is connected with synthesis gas blast pipe (3).
2. the synthesizing methanol water cooler according to claim 1 for facilitating steam paraffin removal, it is characterised in that：The synthesis gas enters
One of air intake valve (21) and two air intake valves (22), steam upper gas tube (6) and synthesis gas air inlet pipe are provided with tracheae (2)
(2) junction is between one of air intake valve (21) and two air intake valves (22)；Set on the synthesis gas blast pipe (3)
It is equipped with one of drain tap (31) and two drain taps (32), steam exhaust pipe (7) and the junction of synthesis gas air inlet pipe (2)
Between one of drain tap (31) and two drain taps (32).
3. the synthesizing methanol water cooler according to claim 2 for facilitating steam paraffin removal, it is characterised in that：Vapour on the steam
Vapour stop valve (61) is provided with pipe (6), showering guilding valve (71) is provided with steam exhaust pipe (7).
4. the synthesizing methanol water cooler according to claim 1 for facilitating steam paraffin removal, it is characterised in that：The steam exhaust-gas
Hollow cavity (8) is provided with pipe (7), the both ends connection steam exhaust pipe (7) of hollow cavity (8), hollow cavity (8) is interior to be set
There is middle barrier (81), through hole (82) is provided with middle barrier (81).
5. the synthesizing methanol water cooler according to claim 4 for facilitating steam paraffin removal, it is characterised in that：The hollow cavity
(8) heating tube (83) is provided with outer wall, heating tube (83) is arranged in cylindrical helical.
6. the synthesizing methanol water cooler according to claim 4 for facilitating steam paraffin removal, it is characterised in that：The middle barrier
(81) it is conical baffle, through hole (82) place on middle barrier (81) is provided with conical pipe (84).
7. the synthesizing methanol water cooler according to claim 3 for facilitating steam paraffin removal, it is characterised in that：The synthesis gas row
Be provided with temperature switch (33) in tracheae (3), one of air intake valve (21), two drain taps (32), upper vapour stop valve (61),
Showering guilding valve (71) is direct-acting electromagnetic valve, and the normally-closed contact of temperature switch (33) is series at the control of one of air intake valve (21) respectively
Major loop processed, the control major loop of two drain taps (32)；The normally opened contact of temperature switch (33) is series at vapour and cut respectively
Only the control major loop of valve (61), the control major loop of showering guilding valve (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523876.3U CN206886988U (en) | 2017-05-11 | 2017-05-11 | A kind of synthesizing methanol water cooler for facilitating steam paraffin removal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720523876.3U CN206886988U (en) | 2017-05-11 | 2017-05-11 | A kind of synthesizing methanol water cooler for facilitating steam paraffin removal |
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| Publication Number | Publication Date |
|---|---|
| CN206886988U true CN206886988U (en) | 2018-01-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720523876.3U Active CN206886988U (en) | 2017-05-11 | 2017-05-11 | A kind of synthesizing methanol water cooler for facilitating steam paraffin removal |
Country Status (1)
| Country | Link |
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| CN (1) | CN206886988U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753359B2 (en) | 2019-05-20 | 2023-09-12 | Sabic Global Technologies B.V. | Online method for processing wax-containing crude methanol stream |
-
2017
- 2017-05-11 CN CN201720523876.3U patent/CN206886988U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11753359B2 (en) | 2019-05-20 | 2023-09-12 | Sabic Global Technologies B.V. | Online method for processing wax-containing crude methanol stream |
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