CN210698954U - Filter and remove filter of by-product paraffin in methyl alcohol production - Google Patents
Filter and remove filter of by-product paraffin in methyl alcohol production Download PDFInfo
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- CN210698954U CN210698954U CN201920994436.5U CN201920994436U CN210698954U CN 210698954 U CN210698954 U CN 210698954U CN 201920994436 U CN201920994436 U CN 201920994436U CN 210698954 U CN210698954 U CN 210698954U
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- liquid discharge
- paraffin
- filter
- discharge pipe
- tank body
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- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 168
- 239000012188 paraffin wax Substances 0.000 title claims abstract description 57
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 22
- 239000006227 byproduct Substances 0.000 title claims abstract description 21
- 239000007788 liquid Substances 0.000 claims abstract description 111
- 238000004804 winding Methods 0.000 claims abstract description 40
- 238000009730 filament winding Methods 0.000 claims abstract description 8
- 239000000919 ceramic Substances 0.000 claims abstract description 7
- 229910052573 porcelain Inorganic materials 0.000 claims description 6
- 238000007599 discharging Methods 0.000 claims description 5
- 238000011143 downstream manufacturing Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 5
- 239000002699 waste material Substances 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- 239000002245 particle Substances 0.000 abstract description 2
- 239000000047 product Substances 0.000 abstract description 2
- 230000008929 regeneration Effects 0.000 abstract description 2
- 238000011069 regeneration method Methods 0.000 abstract description 2
- 239000001993 wax Substances 0.000 abstract description 2
- 238000005192 partition Methods 0.000 description 9
- 238000001914 filtration Methods 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000003054 catalyst Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000004220 aggregation Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
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Abstract
The utility model relates to a filter for removing by-product paraffin in methanol production, which comprises a tank body and a wire winding pipe, wherein the wire winding pipe is arranged in the tank body, and ceramic balls are filled in the wire winding pipe; and a liquid inlet pipeline and a liquid discharge pipeline are respectively arranged above and below the filament winding pipe on the tank body. The utility model has the advantages that: through the paraffin condensation with higher speed, the mode of increase paraffin particle diameter promotes the paraffin filter effect to be convenient for boil wax regeneration used repeatedly, in addition, can improve the filter effect of paraffin in the methyl alcohol greatly, effectively prevent pipeline and the equipment jam of low reaches process, improve methyl alcohol product purity, avoid the loss and the waste of conventional paraffin removal measure.
Description
Technical Field
The utility model relates to a methyl alcohol filters the field, especially relates to a filter of detach byproduct paraffin among the production of filtration methyl alcohol.
Background
Brief introduction to the Industrial methanol production Process: the mixed gas of carbon monoxide and hydrogen is generated into gaseous methanol under the conditions of 6-9MPa and 230-270 ℃ of a copper-based catalyst according to a certain proportion, the gaseous methanol is cooled to 40 ℃ through a water cooler to become liquid methanol (crude methanol), and the crude methanol enters a subsequent working section for rectification.
In the production process of the methanol, a large amount of paraffin is produced as a byproduct, the melting point of the paraffin is about 47-64 ℃, and the crude methanol passing through a water cooler inevitably carries a large amount of paraffin and even forms viscous liquid. The effect of filtering the viscous paraffin methanol solution by a general filter is poor, and the paraffin can be attached to pipelines and equipment in the subsequent process, so that the pipeline and the equipment are blocked, and the shutdown is caused. In addition, the reason and the treatment method of the methanol byproduct paraffin are many, but the cost is huge, the construction is complex, and the huge waste and loss are caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a filter for removing by-product paraffin in the production of filtering methanol, which overcomes the defects in the prior art.
The utility model provides an above-mentioned technical problem's technical scheme as follows: a filter for removing byproduct paraffin in methanol filtration production comprises a tank body and a wire winding pipe, wherein the wire winding pipe is arranged in the tank body, and ceramic balls are filled in the wire winding pipe; and a liquid inlet pipeline and a liquid discharge pipeline are respectively arranged above and below the filament winding pipe on the tank body.
On the basis of the technical scheme, the utility model discloses can also do following improvement.
In the scheme, the diameter of the porcelain ball is 1 mm-10 mm.
In the scheme, the winding width of the winding pipe is 0.5 mm-2 mm, and the winding gap is 0.1 mm-0.5 mm.
In the scheme, a steam supply port is arranged on the liquid inlet pipeline and/or the tank body, and the steam supply port is connected with a steam supply device; a thermometer is arranged on the tank body.
In the above scheme, the number of the steam supply ports arranged on the liquid inlet pipeline is 1.
In the above scheme, the tank body is provided with a plurality of steam supply ports at the middle part and the lower part of the tank body, and the filament winding pipe is positioned at the middle lower part of the tank body.
In the scheme, the plurality of steam supply ports arranged in the middle of the tank body and the plurality of steam supply ports arranged at the lower part of the tank body are all arranged in a ring shape, and each steam supply port faces the filament winding pipe.
In the scheme, the number of the steam supply ports arranged in the middle of the tank body and the number of the steam supply ports arranged at the lower part of the tank body are 4.
In the scheme, the tank body is provided with the safety valve.
In the above scheme, the tank body comprises a tank body, an upper end enclosure, an upper flange, a lower flange, bolts and a partition plate, wherein the upper end enclosure is hollow, the lower end of the upper end enclosure is open, the upper flange is arranged at the open end of the upper end enclosure, the tank body is hollow, the upper end of the tank body is open, the lower flange is arranged at the open end of the tank body, the upper flange and the lower flange are connected through a plurality of bolts, the partition plate is arranged between the upper flange and the lower flange, the wire winding pipe is positioned in an inner cavity of the tank body, and the upper end of the wire winding pipe is.
In the above scheme, the liquid discharge pipeline includes a main liquid discharge pipe, a first branch liquid discharge pipe, a second branch liquid discharge pipe, a third branch liquid discharge pipe, a first switch valve, a second switch valve and a third switch valve, one end of the main liquid discharge pipe is communicated with the bottom of the tank body, the other end of the main liquid discharge pipe is respectively communicated with a liquid inlet end of the first branch liquid discharge pipe, a liquid inlet end of the second branch liquid discharge pipe and a liquid inlet end of the third branch liquid discharge pipe, a liquid outlet end of the first branch liquid discharge pipe is communicated with the paraffin collecting tank, a liquid outlet end of the second branch liquid discharge pipe is connected with a refined methanol downstream process, a liquid outlet end of the third branch liquid discharge pipe is communicated with the methanol underground removing tank, and the first switch valve, the second switch valve and the third switch valve are respectively arranged on the first branch liquid discharge pipe, the second branch liquid discharge pipe and the third branch liquid discharge pipe.
In the scheme, a pressure difference meter is arranged between the liquid inlet pipeline and the main liquid discharge pipe.
The utility model has the advantages that: through the paraffin condensation with higher speed, the mode of increase paraffin particle diameter promotes the paraffin filter effect to be convenient for boil wax regeneration used repeatedly, in addition, can improve the filter effect of paraffin in the methyl alcohol greatly, effectively prevent pipeline and the equipment jam of low reaches process, improve methyl alcohol product purity, avoid the loss and the waste of conventional paraffin removal measure.
Drawings
FIG. 1 is a schematic structural diagram of a filter for removing by-product paraffin in methanol production according to the present invention;
FIG. 2 is a view of the installation of the bobbin and the spacer;
fig. 3 is a diagram of the application of the two filters used in combination.
Detailed Description
The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in fig. 1 and 2, the filter for removing byproduct paraffin in methanol production comprises a tank body 1 and a wire winding pipe 2, wherein the wire winding pipe 2 is arranged in the tank body 1, and ceramic balls are filled in the wire winding pipe 2; the liquid inlet pipeline 111 and the liquid discharge pipeline 121 are respectively arranged above and below the wire winding pipe 2 on the tank body 1, and the paraffin methanol liquid enters the tank body 1 from the liquid inlet pipeline 111 and then is discharged from the liquid discharge pipeline 121 after passing through the wire winding pipe 2.
The diameter of the ceramic ball is 1 mm-10 mm, the ceramic ball is used for accelerating the aggregation of paraffin and increasing the filtering effect, and the ceramic ball is used as a filler of a catalyst bed layer in the methanol production process.
The wire winding tube 2 requires: the width of a winding wire is 0.5 mm-2 mm, the winding gap is 0.1 mm-0.5 mm, the diameter length can be selected according to the design flow of a filter, the length and the width of the winding wire pipe 2 can be adjusted according to the design flow and the operation pressure of equipment, the winding wire can be started to appear only by ensuring that the winding wire is separated from a partition plate 150 by 30mm at least, the winding wire pipe 2 is conveniently welded on the partition plate 150 by secondary reservation, the winding wire pipe 2 with the size in the graph 2 can only ensure the flow of 40t/h, the flow is increased, the number or the volume of the winding wire pipes 2 needs to be increased, but the mechanical strength of the winding wire pipe 2 under the large pressure difference needs to be considered in the increase.
A thermometer 4 is arranged on the tank body 1, and the measuring range of the thermometer 4 is 0-200 ℃.
The liquid inlet pipeline 111 and/or the tank body 1 are/is provided with a steam supply port 3, the steam supply port 3 is connected with a steam supply device, the steam pressure supplied to the steam supply port 3 by the steam supply device is greater than or equal to 0.5Mpa, generally preferably 0.5Mpa, and the steam is supplied mainly for melting paraffin by using steam, so that the filter can be reused and is not required to be detached for cleaning.
In the present embodiment, it is preferable that the liquid inlet pipe 111 and the tank 1 are provided with the steam supply ports 3, and in general, the number of the steam supply ports 3 provided in the liquid inlet pipe 111 is 1, the tank 1 is provided with a plurality of the steam supply ports 3 at the middle and lower portions thereof, and the filament winding pipe 2 is located at the middle and lower portion of the tank 1.
The steam supply ports 3 arranged in the middle of the tank body 1 and the steam supply ports 3 arranged at the lower part of the tank body 1 are all annularly arranged, each steam supply port 3 faces the filament winding pipe 2, the number of the steam supply ports 3 arranged in the middle of the tank body 1 and the number of the steam supply ports 3 arranged at the lower part of the tank body 1 are preferably 4, 4 steam supply ports 3 arranged in the middle of the tank body 1 are uniformly distributed, namely the included angle between the steam supply ports 3 is 90 degrees, and 4 steam supply ports 3 arranged at the lower part of the tank body 1 are uniformly distributed, namely the included angle between the steam supply ports 3 is 90 degrees.
The tank body 1 is provided with a safety valve 160 to prevent the paraffin methanol liquid in the front working section from being over-pressurized and damaging internal parts. Because the filter medium is methanol, the design pressure of the tank body 1 is 1.0Mpa, the design temperature is 200 ℃, and the material is 316L.
The tank body 1 comprises a tank body 110, an upper end enclosure 120, an upper flange 130, a lower flange 140, bolts and a partition plate 150, wherein the upper end enclosure 120 is hollow, the lower end of the upper end enclosure 120 is open, the upper flange 130 is arranged at the open end of the upper end enclosure 120, the tank body 110 is hollow, the upper end of the lower end enclosure is open, the lower flange 140 is arranged at the open end of the tank body 110, the upper flange 130 is connected with the lower flange 140 through a plurality of bolts, the partition plate 150 is arranged between the upper flange 130 and the lower flange 140, a wire winding pipe 2 is arranged in an inner cavity of the tank body 110, the upper end of the wire winding pipe 2 is connected with the partition plate 150, the partition plate 150 must bear 1.0Mpa of pressure difference, a support pipe can be additionally arranged at the lower part of the partition plate 150 as.
The drain line 121 includes a main drain 1211, a first branch drain 1212, a second branch drain 1213, a third branch drain 1216, a first switching valve 1214, a second switching valve 1215, and a third switching valve 1217, one end of a main liquid discharge pipe 1211 is communicated with the bottom of the tank body 1, the other end of the main liquid discharge pipe 1211 is respectively communicated with a liquid inlet end of a first branch liquid discharge pipe 1212, a liquid inlet end of a second branch liquid discharge pipe 1213 and a liquid inlet end of a third branch liquid discharge pipe 1216, a liquid outlet end of the first branch liquid discharge pipe 1212 is communicated with a paraffin collecting tank, a liquid outlet end of the second branch liquid discharge pipe 1213 is connected with a refined methanol downstream process, a liquid outlet end of the third branch liquid discharge pipe 1216 is communicated with a methanol underground discharging tank, first, second, and third on/off valves 1214, 1215, and 1217 are provided on the first, second, and third branch drains 1212, 1213, and 1216, respectively.
A pressure difference meter 5 is provided between the liquid inlet pipe 111 and the main liquid discharge pipe 1211.
A method for removing byproduct paraffin in methanol production by filtration comprises the following steps:
s100, conveying the paraffin methanol liquid into a tank body 1 through a liquid inlet pipeline 111, condensing paraffin in the paraffin methanol liquid through a wire winding pipe 2 and a porcelain ball in the tank body 1 to obtain methanol, and discharging the methanol to a refined methanol downstream process through a main liquid discharge pipe 1211 and a second branch liquid discharge pipe 1213 in sequence;
s200, after paraffin is condensed to a certain amount, stopping conveying paraffin methanol liquid into the tank body 1 through the liquid inlet pipeline 111, closing the second switch valve 1215, discharging the methanol in the tank body 1 to a methanol underground tank through the main liquid discharge pipe 1211 and the third branch liquid discharge pipe 1216 in sequence, closing the third switch valve 1217, opening the first switch valve 1214 on the first branch liquid discharge pipe 1212, starting the steam supply device, conveying steam with the pressure of 0.2 MPa-1.1 MPa and the temperature of 120-188 ℃ into the tank body 1 through the steam supply port 3 by the steam supply device, melting the condensed paraffin, discharging the molten paraffin to a paraffin collecting tank through the first branch liquid discharge pipe 1212 for concentrated recovery, and closing the steam supply device and the first switch valve 1214 after the paraffin is completely melted;
and S300, circulating S100 and S200 to filter the paraffin methanol liquid.
As shown in fig. 3, in the normal case: the filters are used in pairs, when the filters are regenerated, the pressure difference of the liquid inlet pipeline 111 and the liquid discharge pipeline 121 of the filters is designed to be automatically switched, when the pressure difference is larger than 0.05MPa (the pressure difference of a common filter is larger than 0.1MPa, the filters are cleaned, and when the pressure difference is larger than 0.05MPa, the switching cleaning reason is that the pressure difference is too large, the paraffin is enriched and saturated on the porcelain balls in the wire winding pipe 2, the porcelain balls need to be regenerated, the enrichment effect of the paraffin on the porcelain balls is gradually weakened, the filtering effect is reduced, the wire winding pipe 2 is easy to damage due to the too large pressure difference, so that the switching cleaning is started in advance compared with the common filters for ensuring the best filtering effect, the filters are proved to be blocked, the filters are switched, one filter is used, and one;
after the application pressure difference of the filter A is high, the filter B is switched;
the filter A is regenerated, and the program control process is as follows:
the pressure difference of the filter A is more than 0.05 MPa;
a valve on the liquid inlet pipeline 111 of the fully-opened filter B and a second switch valve 1215 on the liquid discharge pipeline 121;
a valve on the liquid inlet pipeline 111 of the totally-closed filter A and a second switch valve 1215 on the liquid discharge pipeline 121;
opening a third on-off valve 1217 on a liquid discharge pipeline 121 in the filter A for 10-30 minutes;
a third on-off valve 1217 on the liquid discharge pipeline 121 in the totally-closed filter A; a first on-off valve 1214 on the drain line 121 in the fully open filter a;
a steam valve on the steam supply port 3 in the fully-opened filter A;
the temperature of the filter A rises to be more than or equal to 80 ℃, and the time is timed for 30 minutes;
a steam valve on the steam supply port 3 in the full-closed filter A;
the temperature of the filter A is reduced to be less than or equal to 40 ℃;
a first on-off valve 1214 on the drain line 121 in the full-closed filter a;
after the filter B is put into service and the pressure difference is high, the filter A is switched and the filter B is cleaned, and the program control process is as follows:
the pressure difference of the filter B is more than 0.05 MPa;
a valve on the liquid inlet pipeline 111 of the fully-opened filter A and a second switch valve 1215 on the liquid discharge pipeline 121;
a valve on the liquid inlet pipeline 111 of the full-closed filter B and a second switch valve 1215 on the liquid discharge pipeline 121;
opening a third on-off valve 1217 on a liquid discharge pipeline 121 in the filter B for 10-30 minutes;
a third on-off valve 1217 on the liquid discharge pipe 121 in the full-closed filter B;
a first on-off valve 1214 on the drain line 121 in the fully open filter B;
a steam valve on the steam supply port 3 in the fully-opened filter B;
the temperature of the filter B rises to be more than or equal to 80 ℃, and the time is timed for 30 minutes;
a steam valve on the steam supply port 3 in the totally-closed filter B;
the temperature of the filter B is reduced to be less than or equal to 40 ℃;
the first on-off valve 1214 on the drain line 121 in the filter B is fully closed.
When the valve switch is automatically operated, 3 seconds of delay is set to ensure that the valve switch can be carried out on the next step after the last step is finished, and the phenomenon of material mixing is avoided.
Description of the drawings:
(1) the methanol is discharged to a methanol underground tank for centralized recovery, so that the environment pollution caused by the on-site discharge of toxic volatile combustible liquid, namely the methanol, is avoided;
(2) the cleaned paraffin is discharged to a paraffin collecting tank for centralized recovery, so that the on-site discharge of the paraffin is avoided to pollute the environment;
(3) the switching and cleaning of the filter can be set to automatic program control operation or fully manual operation.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (10)
1. The filter for removing the byproduct paraffin in the methanol production is characterized by comprising a tank body (1) and a wire winding pipe (2), wherein the wire winding pipe (2) is arranged in the tank body (1), and ceramic balls are filled in the wire winding pipe (2); and a liquid inlet pipeline (111) and a liquid discharge pipeline (121) are respectively arranged above and below the wire winding pipe (2) on the tank body (1).
2. The filter for removing the byproduct paraffin wax in the methanol production as claimed in claim 1, wherein the diameter of the porcelain ball is 1mm to 10 mm.
3. The filter for removing by-product paraffin wax in methanol production according to claim 2, wherein the wire winding width of the wire winding tube (2) is 0.5mm to 2mm, and the wire winding gap is 0.1mm to 0.5 mm.
4. A filter for removing by-product paraffin in methanol production according to any one of claims 1 to 3, wherein a steam supply port (3) is provided on the liquid inlet pipe (111) and/or the tank (1), and the steam supply port (3) is connected to a steam supply device; the tank body (1) is provided with a thermometer (4).
5. The filter for removing by-product paraffin wax in methanol production according to claim 4, wherein the tank (1) is provided with a plurality of steam supply ports (3) at the middle and lower parts thereof, and the filament winding pipe (2) is located at the middle and lower part of the tank (1).
6. The filter for removing the byproduct paraffin in methanol production according to claim 5, wherein the plurality of steam supply ports (3) formed in the middle of the tank (1) and the plurality of steam supply ports (3) formed in the lower part of the tank (1) are arranged in a ring shape, and each steam supply port (3) faces the filament winding pipe (2).
7. The filter for removing the byproduct paraffin in the methanol production according to claim 1, wherein the tank (1) is provided with a safety valve (160).
8. The filter for removing by-product paraffin in methanol production according to claim 1, it is characterized in that the tank body (1) comprises a tank body (110), an upper seal head (120), an upper flange (130), a lower flange (140), bolts and a clapboard (150), the upper end enclosure (120) is hollow, the lower end of the upper end enclosure is open, the upper flange (130) is arranged at the open end of the upper end enclosure (120), the interior of the tank body (110) is hollow, the upper end of the tank body is open, the lower flange (140) is arranged at the open end of the tank body (110), the upper flange (130) and the lower flange (140) are connected by a plurality of the bolts, the baffle (150) is arranged between the upper flange (130) and the lower flange (140), the wire winding pipe (2) is positioned in the inner cavity of the tank body (110), and the upper end of the wire winding pipe (2) is connected with the clapboard (150).
9. The filter for removing byproduct paraffin in methanol production according to claim 1, wherein the liquid discharge pipe (121) comprises a main liquid discharge pipe (1211), a first branch liquid discharge pipe (1212), a second branch liquid discharge pipe (1213), a third branch liquid discharge pipe (1216), a first switch valve (1214), a second switch valve (1215) and a third switch valve (1217), one end of the main liquid discharge pipe (1211) is connected to the bottom of the tank (1), the other end of the main liquid discharge pipe (1211) is connected to the liquid inlet of the first branch liquid discharge pipe (1212), the liquid inlet of the second branch liquid discharge pipe (1213) and the liquid inlet of the third branch liquid discharge pipe (1216), the liquid outlet of the first branch liquid discharge pipe (1212) is connected to a paraffin collecting tank, and the liquid outlet of the second branch liquid discharge pipe (1213) is connected to a refined methanol downstream process, the liquid outlet end of the third branch liquid discharge pipe (1216) is communicated with a methanol underground discharging tank, and the first switch valve (1214), the second switch valve (1215) and the third switch valve (1217) are respectively arranged on the first branch liquid discharge pipe (1212), the second branch liquid discharge pipe (1213) and the third branch liquid discharge pipe (1216).
10. The filter for removing by-product paraffin in methanol production according to claim 9, wherein a pressure difference gauge (5) is provided between the liquid inlet pipe (111) and the main liquid discharge pipe (1211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994436.5U CN210698954U (en) | 2019-06-28 | 2019-06-28 | Filter and remove filter of by-product paraffin in methyl alcohol production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994436.5U CN210698954U (en) | 2019-06-28 | 2019-06-28 | Filter and remove filter of by-product paraffin in methyl alcohol production |
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| Publication Number | Publication Date |
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| CN210698954U true CN210698954U (en) | 2020-06-09 |
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| CN201920994436.5U Expired - Fee Related CN210698954U (en) | 2019-06-28 | 2019-06-28 | Filter and remove filter of by-product paraffin in methyl alcohol production |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201429A (en) * | 2019-06-28 | 2019-09-06 | 昌登宇 | The method of by-product paraffin is removed in a kind of filter and filtering methanol production |
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2019
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110201429A (en) * | 2019-06-28 | 2019-09-06 | 昌登宇 | The method of by-product paraffin is removed in a kind of filter and filtering methanol production |
| CN110201429B (en) * | 2019-06-28 | 2024-06-07 | 昌登宇 | Filter and method for removing byproduct paraffin in methanol production by filtering |
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