CN209338109U - A kind of hydrogen from methyl alcohol high-efficient washing device - Google Patents
A kind of hydrogen from methyl alcohol high-efficient washing device Download PDFInfo
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- CN209338109U CN209338109U CN201821890313.9U CN201821890313U CN209338109U CN 209338109 U CN209338109 U CN 209338109U CN 201821890313 U CN201821890313 U CN 201821890313U CN 209338109 U CN209338109 U CN 209338109U
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- buffer tank
- cleaning solution
- liquid
- scrubbing tower
- filler
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Abstract
The utility model is mainly by support (1), leakage fluid dram (2), first buffer tank thermometer (3) on the spot, first buffer tank teletransmission thermometer (4), condensate inlet (5), condensate inlet extension (6), first cleaning solution entrance (7), first cleaning solution distribution pipe (8), buffer tank (9), first filler pallet (10), first filler (11), liquid re-distributor (12), second filler pallet (13), second filler (14), liquid distribution trough (15), hand hole door (16), second cleaning solution entrance extension (17), second liquid cleaning solution entrance (18), demister pallet (19), demister (20), scrubbing tower (21), scrubbing tower teletransmission thermometer (22), scrubbing tower thermometer (23) on the spot, gas vent (2 4), liquidometer (31), the second buffer tank far transmission level meter (32), liner layer (33), sewage draining exit (34) are constituted scrubbing tower on the spot for pressure gauge (25), scrubbing tower distance-transmission pressure gauge (26), connecting flange (27), gas access extension (28), gas access (29), Venturi tube (30), the second buffer tank on the spot.
Description
Technical field:
The utility model relates to Technology for Production Hydrogen from Methanol field, especially a kind of hydrogen from methyl alcohol high-efficient washing device.
Background technique:
The mechanism of hydrogen from methyl alcohol determines that methanol can not be completely converted into carbon dioxide and hydrogen, institute in hydrogen production reaction gas
It is to cause the reduction of Methanol Recovery utilization rate containing methanol steam, PSA device feeding temperature is high, and operating load is high, and binding molecule sieves the longevity
Order short major reason.Hydrogen from methyl alcohol technique generallys use wash mill and carries out washing absorption time to methanol contained in reaction gas
With therefore, improvement wash mill internal structure improves washing effect, for reducing hydrogen from methyl alcohol cost, reduces energy consumption, extends
Equipment life is significant.
Original wash mill exists from the air inlet of tower body side, easily causes density of gas phase in tower body uneven；Cleaning solution is without liquid
Body distributor directly sprays on packing layer, and liquid phase in packing layer is caused to be unevenly distributed；And the ratio of filler used in original wash mill
The defects of surface area is small, and filler interlayer resistance is big, be easy to cause gas phase in packing layer, temperature distributing disproportionation, and washing air speed is small etc.
Problem seriously affects methanol washing effect.Original wash mill operates by hand, and instrument on the spot is only arranged, cannot achieve equipment
Liquid level, temperature, pressure, flow information remotely monitor, and equipment moving parts can not be docked with device DCS system, operation automation,
Precision is low.
In view of the above circumstances, it would be highly desirable to develop a kind of adaptation hydrogen from methyl alcohol manufacturing technique requirent, realization device liquid level, temperature,
Pressure, online discharge monitoring, DCS automatic operation, the uniform high-efficient washing device of gas phase turbulance in tower meet and current improve first
Alcohol device for producing hydrogen methanol detersive efficiency and reclamation rate are precisely controlled phase property of working off one's feeling vent one's spleen, and keep the city of subsequent production process stabilizing
Field demand.
Summary of the invention
It is insufficient that the purpose of the utility model is to overcome the above-mentioned prior arts, provides a kind of hydrogen from methyl alcohol and is filled with high-efficient washing
It sets, to solve the technical problems such as hydrogen production reaction object methanol washing recycling, device on-line monitoring and automatic operation.
The utility model is realized by following technological means: scrubbing tower is connected to buffer tank top, and buffer tank is by propping up
Seat supports, caching pot bottom are provided with sewage draining exit, and leakage fluid dram, ring tank skin position setting on the lower in the middle part of buffer tank are arranged by sewage draining exit
Liquidometer and the second buffer tank are remote on the spot for thermometer, the first buffer tank teletransmission thermometer, the second buffer tank on the spot for first buffer tank
Liquidometer is passed, condensate inlet is set in the middle part of buffer tank, condensate inlet is connected with condensate inlet extension, in the middle part of buffer tank
The first cleaning solution entrance is arranged for upper position and gas access, the first cleaning solution entrance are connected with the first cleaning solution distribution pipe, gas
Body entrance is connected with gas access extension, and Venturi tube is arranged in middle part in buffer tank tank, is successively arranged venturi in venturi
Pipe collapsible tube, Venturi tube trunnion, the first cleaning solution distribution pipe branch pipe, Venturi tube diffuser, Venturi tube collapsible tube and gas
Body entrance extension is connected, and Venturi tube trunnion is connected with the first cleaning solution distribution pipe, and three sections of tower bodies of scrubbing tower are by connection method
Orchid connection, be respectively set in tower body from bottom to up the first filler pallet, the first filler, liquid re-distributor, the second filler pallet,
Gas vent is arranged in second filler, liquid distribution trough, demister pallet, demister, scrubbing tower top, and setting is washed by gas vent
Wash tower teletransmission thermometer, scrubbing tower thermometer, scrubbing tower pressure gauge and scrubbing tower distance-transmission pressure gauge on the spot on the spot, hand hole door and
Two washing liquid entrances are arranged between demister pallet and liquid distribution trough in tower wall, wherein second liquid cleaning solution entrance with
Second cleaning solution entrance extension is connected, and the second cleaning solution entrance extension exports face liquid distributor top center, caching
Tank is equipped with liner layer.
The present apparatus is mainly made of surge tank and scrubbing tower；First filler and the second filler use structured packing, preferably wave
Line wire packing increases gas liquid interfacial area；Scrubbing tower teletransmission thermometer, scrubbing tower distance-transmission pressure gauge, buffer tank teletransmission temperature
Meter, buffer tank far transmission level meter implement temperature, pressure and liquid level in the long-range monitor wash device of DCS, and are entered by reaction gas
Amount and the inlet of cleaning solution are adjusted；Demister carries out defoaming foam removal to the gas phase of process using stainless steel filtering net, traps
Mist in gas phase reduces gas phase water content；Preferred ring walks 4 branch pipes on Venturi tube trunnion；Liquid re-distributor, liquid distribution
Device is evenly distributed with for liquid, and prevents fluid from forming sticking wall flow, enhances gas-liquid mixed effect；The cleaning solution that the wash mill uses
For cold demineralized water, liquid discharge in wash mill is recycled cleaning solution and methanol by leakage fluid dram.
The utility model is the utility model has the advantages that the first cleaning solution of the present apparatus and reaction gas are carried out by setting Venturi tube in buffer tank
It pre-washes, effectively improves the atomization mixed effect of reaction gas and cleaning solution；The second cleaning solution of the present apparatus is through liquid distribution trough, filler
Layer is uniformly distributed twice, and uses bigger serface filler, increases the cutting mixing number of gas, liquid, gas, liquid in reinforcing filler layer
And its temperature distribution equalizing effect, reduce gas-phase methanol residual；The electronic devices such as present apparatus liquid level, temperature, pressure, flow and automatic control
Control equipment access system DCS operating system realizes the on-line monitoring of wash mill liquid level, temperature and pressure, equipment moving parts
Automation remote precisely manipulates.The wash mill is reasonable in design practical, low cost, operation precision height, high degree of automation,
It is high to wash air speed, exit gas methanol residual is few.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model venturi tube structure schematic diagram.
Specific embodiment
As depicted in figs. 1 and 2, a kind of hydrogen from methyl alcohol high-efficient washing device is mainly delayed by support 1, leakage fluid dram 2, first
Depositing tank, thermometer 3, the first buffer tank teletransmission thermometer 4, condensate inlet 5, condensate inlet extension 6, first wash on the spot
Liquid entrance 7, the first cleaning solution distribution pipe 8, buffer tank 9, the first filler pallet 10, the first filler 11, liquid re-distributor 12,
Two filler pallets 13, the second filler 14, liquid distribution trough 15, hand hole door 16, the second cleaning solution entrance extension 17, second liquid
Cleaning solution entrance 18, demister pallet 19, demister 20, scrubbing tower 21, scrubbing tower teletransmission thermometer 22, scrubbing tower temperature on the spot
Pressure gauge 25, scrubbing tower distance-transmission pressure gauge 26, connecting flange 27, gas access extend on the spot for meter 23, gas vent 24, scrubbing tower
Pipe 28, gas access 29, Venturi tube 30, the second buffer tank liquidometer 31, the second buffer tank far transmission level meter 32, liner on the spot
Layer 33, sewage draining exit 34, Venturi tube collapsible tube 301, Venturi tube trunnion 302, the first cleaning solution distribution pipe branch pipe 303 and Wen Qiu
In pipe diffuser 304 constitute；Scrubbing tower 21 is connected to 9 top of buffer tank, and buffer tank 9 is supported by support 1, and 9 bottom of buffer tank is set
It is equipped with sewage draining exit 34, leakage fluid dram 2 is set by sewage draining exit 34, on the lower the first buffer tank is arranged just in ring tank skin position in 9 middle part of buffer tank
Ground thermometer 3, the first buffer tank teletransmission thermometer 4, the second buffer tank liquidometer 31 and the second buffer tank far transmission level meter on the spot
32, condensate inlet 5 is set in the middle part of buffer tank 9, and condensate inlet 5 is connected with condensate inlet extension 6, in the middle part of buffer tank 9
The first cleaning solution entrance 7 and gas access 29, the first cleaning solution entrance 7 and 8 phase of the first cleaning solution distribution pipe is arranged in upper position
Even, gas access 29 is connected with gas access extension 28, setting Venturi tube 30 in middle part in 9 tank of buffer tank, in venturi 30
Venturi tube collapsible tube 301, Venturi tube trunnion 302, the first cleaning solution distribution pipe branch pipe 303, Venturi tube is successively arranged to expand
Separate tube 304, Venturi tube collapsible tube 301 are connected with gas access extension 28, Venturi tube trunnion 302 and the first cleaning solution point
Piping 8 is connected, and three sections of tower bodies of scrubbing tower 21 are connected by connecting flange 27, and the first filler support is respectively set in tower body from bottom to up
Disk 10, the first filler 11, liquid re-distributor 12, the second filler pallet 13, the second filler 14, liquid distribution trough 15, demister
Gas vent 24 is arranged at the top of scrubbing tower 21, scrubbing tower teletransmission thermometer is arranged by gas vent 24 for pallet 19, demister 20
22, scrubbing tower thermometer 23, scrubbing tower pressure gauge 25 and scrubbing tower distance-transmission pressure gauge 26 on the spot on the spot, hand hole door 16 and the second liquid
Body cleaning solution entrance 18 is arranged between demister pallet 19 and liquid distribution trough in 15 tower walls, wherein second liquid cleaning solution entrance
18 are connected with the second cleaning solution entrance extension 17, and the second cleaning solution entrance extension 17 exports 15 top of face liquid distribution trough
Center, buffer tank 9 are equipped with liner layer 33.
The utility model process flow:
Reaction gas enters buffer tank 9 by Venturi tube collapsible tube 301 along gas access extension 28 from gas access 29,
The first cleaning solution enters Venturi tube trunnion 302 and high speed gas through the first cleaning solution distribution pipe 8 from the first cleaning solution entrance 7 simultaneously
Body collides to form droplet, pre-washes to gas phase, adsorbs methanol, reduces gas phase temperature.Venturi tube 30 and 9 center of buffer tank
Line is overlapped, and guarantees that gas phase is uniformly distributed in buffer tank 9 after the outflow of venturi diffuser 304, and successively pass through first upwards
Filler 11 and the second filler 14 carry out gas-liquid mixed with the second cleaning solution and further wash, and reach the effect of cooling and methanol washing
Fruit.Gas phase is discharged wash mill from gas vent 24 after 20 foam removal of demister processing and enters gas-liquid separation device.
Second cleaning solution enters scrubbing tower 21 through the second cleaning solution entrance extension 17 from the second cleaning solution entrance 18, passes through
Liquid distribution trough 15 is distributed in 14 surface layer of the second filler.Second cleaning solution successively through the second filler 14 and the first filler 11 with
Gas phase carries out methanol washing and gas phase cooling.The outlet of second cleaning solution entrance extension 17 is overlapped with 15 center line of liquid distribution trough
To guarantee that liquid is evenly distributed with effect.
First filler 11 and the second filler 14 use structured packing, preferably ripple silk net filler, increase gas liquid interfacial area,
Improve washing air speed.
Scrubbing tower teletransmission thermometer 22, scrubbing tower distance-transmission pressure gauge 26, buffer tank teletransmission thermometer 4, buffer tank teletransmission liquid
Position meter 32 implements temperature, pressure and liquid level in the long-range monitor wash devices of DCS, and by reaction gas inlet and cleaning solution into
Enter amount to be adjusted.
Scrubbing tower thermometer 23, scrubbing tower pressure gauge 25, buffer tank thermometer 3, buffer tank liquid on the spot on the spot on the spot on the spot
Position meter 31 implements being monitored in situ for temperature in wash mill, pressure and liquid level, and is compareed with the long-range monitoring data of DCS, core
To remote transmission instrument state.
Liquid re-distributor 12, liquid distribution trough 15 are evenly distributed with for liquid, and prevent fluid from forming sticking wall flow, enhance gas
Liquid mixed effect.
Demister 20 carries out defoaming foam removal to the gas phase of process using stainless steel filtering net, traps mist in gas phase, reduces gas
Phase water content.
Each first cleaning solution distribution pipe branch pipe, 303 uniform ring cloth is on Venturi tube trunnion 302, Venturi tube trunnion 302
Upper preferred ring walks 4 branch pipes.
The cleaning solution that the wash mill uses is cold demineralized water.
Support 1 is used for the fixed installation of wash mill on the spot.
Liquid discharge in wash mill is recycled cleaning solution and methanol by leakage fluid dram 2.
Condensate liquid enters buffer tank 9 through condensate inlet extension 6 by condensate inlet 5, enters washing dress to gas phase
Condensate liquid obtained by heat exchanger carries out unified recycling before setting.
First filler pallet 10, the second filler pallet 13, demister pallet 17 are respectively used to fix the first filler 11, second
Filler 14, demister 20, and play the role of certain uniform fluid distribution.
Personnel overhaul after hand hole door 16 stops for device.
Connecting flange 27 facilitates the connection and installation of wash mill each section.
Liner layer 33 prevents caching liquid from corroding to wash mill, using stainless steel inner lining or brushing glass reinforced plastic, preferably applies
Brush glass reinforced plastic.
Sewage draining exit 34 is used to discharge sewage and mechanical admixture in wash mill, while for emptying in wash mill when overhauling
Liquid.
Claims (6)
1. a kind of hydrogen from methyl alcohol high-efficient washing device, it is characterised in that: scrubbing tower (21) is connected to buffer tank (9) top, delays
Tank (9) to be deposited to be supported by support (1), buffer tank (9) bottom is provided with sewage draining exit (34), leakage fluid dram (2) are set by sewage draining exit (34),
The first buffer tank thermometer (3), the first buffer tank teletransmission thermometer on the spot is arranged in ring tank skin position on the lower in the middle part of buffer tank (9)
(4), liquidometer (31) and the second buffer tank far transmission level meter (32), the setting of buffer tank (9) middle part condense the second buffer tank on the spot
Liquid entrance (5), condensate inlet (5) are connected with condensate inlet extension (6), upper position setting the in the middle part of buffer tank (9)
One cleaning solution entrance (7) and gas access (29), the first cleaning solution entrance (7) are connected with the first cleaning solution distribution pipe (8), gas
Entrance (29) is connected with gas access extension (28), and Venturi tube (30) are arranged in middle part in buffer tank (9) tank, venturi (30)
On be successively arranged Venturi tube collapsible tube (301), Venturi tube trunnion (302), the first cleaning solution distribution pipe branch pipe (303), text
Venturi diffuser (304), Venturi tube collapsible tube (301) are connected with gas access extension (28), Venturi tube trunnion
(302) it is connected with the first cleaning solution distribution pipe (8), three sections of tower bodies of scrubbing tower (21) are connected by connecting flange (27), in tower body
The first filler pallet (10), the first filler (11), liquid re-distributor (12), the second filler pallet are respectively set from bottom to up
(13), the second filler (14), liquid distribution trough (15), demister pallet (19), demister (20), the setting of scrubbing tower (21) top
Gas vent (24), gas vent (24) is other to be arranged scrubbing tower teletransmission thermometer (22), scrubbing tower thermometer (23), washing on the spot
Pressure gauge (25) and scrubbing tower distance-transmission pressure gauge (26), hand hole door (16) and second liquid cleaning solution entrance (18) are arranged tower on the spot
In tower wall between demister pallet (19) and liquid distribution trough (15), wherein second liquid cleaning solution entrance (18) and second
Cleaning solution entrance extension (17) is connected, and the second cleaning solution entrance extension (17) exports at the top of face liquid distribution trough (15)
Centre, buffer tank (9) are equipped with liner layer (33).
2. a kind of hydrogen from methyl alcohol high-efficient washing device according to claim 1, it is characterised in that: the present apparatus is mainly by delaying
It deposits tank (9) and scrubbing tower (21) is constituted.
3. a kind of hydrogen from methyl alcohol high-efficient washing device according to claim 1 or 2, it is characterised in that: described first fills out
Expect that (11) and the second filler (14) use structured packing, using ripple silk net filler, increases gas liquid interfacial area.
4. a kind of hydrogen from methyl alcohol high-efficient washing device according to claim 1 or 2, it is characterised in that: the scrubbing tower
Teletransmission thermometer (22), scrubbing tower distance-transmission pressure gauge (26), buffer tank teletransmission thermometer (4), buffer tank far transmission level meter (32)
Implement temperature, pressure and liquid level in the long-range monitor wash device of DCS, and by the inlet of reaction gas inlet and cleaning solution into
Row is adjusted.
5. a kind of hydrogen from methyl alcohol high-efficient washing device according to claim 1 or 2, it is characterised in that: the demister
(20) defoaming foam removal is carried out to the gas phase of process using stainless steel filtering net.
6. a kind of hydrogen from methyl alcohol high-efficient washing device according to claim 1 or 2, it is characterised in that: the venturi
Preferred ring walks 4 branch pipes on pipe trunnion (302).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890313.9U CN209338109U (en) | 2018-11-16 | 2018-11-16 | A kind of hydrogen from methyl alcohol high-efficient washing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821890313.9U CN209338109U (en) | 2018-11-16 | 2018-11-16 | A kind of hydrogen from methyl alcohol high-efficient washing device |
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| Publication Number | Publication Date |
|---|---|
| CN209338109U true CN209338109U (en) | 2019-09-03 |
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ID=67747673
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821890313.9U Active CN209338109U (en) | 2018-11-16 | 2018-11-16 | A kind of hydrogen from methyl alcohol high-efficient washing device |
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| CN (1) | CN209338109U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203171A (en) * | 2020-03-02 | 2020-05-29 | 北京理工大学 | Novel self-pressure forced circulation type reactor for gas-liquid phase reaction |
| CN112573480A (en) * | 2020-12-28 | 2021-03-30 | 常州市蓝博净化科技有限公司 | Production line for efficient methanol hydrogen production |
-
2018
- 2018-11-16 CN CN201821890313.9U patent/CN209338109U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111203171A (en) * | 2020-03-02 | 2020-05-29 | 北京理工大学 | Novel self-pressure forced circulation type reactor for gas-liquid phase reaction |
| CN112573480A (en) * | 2020-12-28 | 2021-03-30 | 常州市蓝博净化科技有限公司 | Production line for efficient methanol hydrogen production |
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