CN203668143U - Liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins) - Google Patents
Liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins) Download PDFInfo
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- CN203668143U CN203668143U CN201420002469.4U CN201420002469U CN203668143U CN 203668143 U CN203668143 U CN 203668143U CN 201420002469 U CN201420002469 U CN 201420002469U CN 203668143 U CN203668143 U CN 203668143U
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- 238000000926 separation method Methods 0.000 title claims abstract description 63
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 62
- 239000007787 solid Substances 0.000 title claims abstract description 36
- 238000005406 washing Methods 0.000 title claims abstract description 21
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title abstract description 15
- 150000001336 alkenes Chemical class 0.000 title abstract description 3
- 239000002002 slurry Substances 0.000 claims abstract description 46
- 239000002893 slag Substances 0.000 claims abstract description 45
- 238000001914 filtration Methods 0.000 claims abstract description 40
- 238000001035 drying Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 26
- 238000000746 purification Methods 0.000 claims abstract description 19
- 239000012141 concentrate Substances 0.000 claims description 45
- 230000008676 import Effects 0.000 claims description 14
- 230000008719 thickening Effects 0.000 claims description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 4
- 239000003245 coal Substances 0.000 abstract description 3
- 238000009833 condensation Methods 0.000 abstract description 3
- 230000005494 condensation Effects 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- 239000007789 gas Substances 0.000 abstract 4
- 238000011010 flushing procedure Methods 0.000 abstract 2
- 238000004064 recycling Methods 0.000 abstract 1
- 239000010865 sewage Substances 0.000 abstract 1
- 239000002351 wastewater Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 229920002472 Starch Polymers 0.000 description 1
- PLGPSDNOLCVGSS-UHFFFAOYSA-N Tetraphenylcyclopentadienone Chemical compound O=C1C(C=2C=CC=CC=2)=C(C=2C=CC=CC=2)C(C=2C=CC=CC=2)=C1C1=CC=CC=C1 PLGPSDNOLCVGSS-UHFFFAOYSA-N 0.000 description 1
- -1 adopt filter Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000005243 fluidization Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
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Abstract
The utility model relates to the technical field of the coal chemical industry, in particular to a liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins). The liquid-solid separation device comprises filtering and separating units (2), wherein inlets of the filtering and separating units (2) are connected with a first multi-channel rotary valve (3) which is connected with slag slurry concentration units (4); concentrated liquor outlets of the slag slurry concentration units (4) are connected with a drying unit (6) which is connected with a gas purification unit (7); outlets of the filtering and separating units (2) are connected with a second multi-channel rotary valve (8) which is connected with a back flushing unit (1); and the back flushing unit (1) is further connected with the slag slurry concentration units (4). The device integrates filtration, concentration, drying, condensation, gas-liquid separation and gas purification, three phases of liquid, solid and gas are separated repeatedly, and the separating efficiency is high; the whole set of device realizes pollution-free gas emission and water recycling simultaneously, is free from sewage drainage, saves resources, avoids environmental pollution, and is economical and environment-friendly; and moreover, the whole set of device adopts full automatic control, and is easy to maintain, efficient, energy-saving, economical, environment-friendly and high in reliability.
Description
Technical field
The utility model belongs to technical field of coal chemical industry, relates to the device of the solid particulate existing in a kind of MTO of removal technological process quenched water and washing water.Specifically, the utility model provides a kind of MTO quenched water and washing water liquid-solid separation device.
Background technology
MTO (methanolTO olefins) refers to the technology of being manufactured low-carbon alkene by methyl alcohol, cardinal principle is through synthetic gas methanol from coal, become low-carbon alkene by methanol conversion again, low-carbon alkene is most important basic organic chemical industry raw material, and the market requirement is vigorous.Conventional MTO reactor is after three grades, fluidisation top or tetra-cyclone, to go product to purify part, because of the separation limitation of cyclonic separator, reactor is also carried the catalyst fines particle that a small amount of grain diameter is less than 10 μ m or 5 μ m secretly after circulation separates, must divide effectively and remove in product purification portion, and MTO catalyzer is relatively valuable, also need to take effective means to reclaim.
Traditional separate mode is the mode of cyclonic separation, the low and solid particulate below very difficult removal 5 μ m of separation efficiency, and the solid particulate after separation needs subsequent disposal or directly discharge, and one side has increased labour cost like this, has also caused on the other hand environmental pollution.
Utility model content
The purpose of this utility model is to provide a kind of new MTO quenched water and washing water liquid-solid separation device, to solve the above problems.
Provide a kind of MTO quenched water and washing water liquid-solid separation device at the utility model embodiment, this device comprises:
Filtering separation unit, the import of described filtering separation unit connects the first multiple flow passages rotary valve, described the first multiple flow passages rotary valve connects slag slurry concentrate unit, and the concentrate unit dope outlet of described slag slurry connects drying unit, and described drying unit connects gas purification units;
The outlet of described filtering separation unit connects the second multiple flow passages rotary valve, and described the second multiple flow passages rotary valve connects blowback unit, and described blowback unit also connects slag slurry concentrate unit;
One preferred embodiment in, described filtering separation unit inlet connects the first multiple flow passages rotary valve; The outlet of described filtering separation unit connects the second multiple flow passages rotary valve; Described filtering separation unit comprises the strainer of 3 more parallels.
Another preferred embodiment in, the dope outlet of described slag slurry concentrate unit connects drying unit; Described slag slurry concentrate unit inlet connects the first multiple flow passages rotary valve; Described slag slurry concentrate unit is also connected with blowback unit; Described slag slurry concentrate unit comprises 1～3 thickening filtration device in parallel.
Another preferred embodiment in, described blowback unit connects the second multiple flow passages rotary valve and slag slurry concentrate unit.
Another preferred embodiment in, described gas purification units is connected with drying unit, described gas purification units comprises: condenser, gas-liquid separator and gas purifier.
Another preferred embodiment in, described MTO quenched water and washing water liquid-solid separation device also comprise: water circulation unit, described water circulation unit is connected with described slag slurry concentrate unit purified liquor outlet, described drying unit liquid exit, described condenser liquid exit, described gas-liquid separator liquid exit, described gas purifier import, described the first multiple flow passages rotary valve import respectively.
The MTO quenched water that the utility model provides and washing water solid separation method and device, compared with prior art, complete assembly is to realizing repeatedly liquid-solid separation containing solid-liquid, adopt filter, solid particulate that concentrated and dry mode obtains low-water-content, liquid-solid separation is thorough, efficiency is high; The gas producing in solid drying process is carried out to gas-liquid separation and gas sweetening again, reach the object of gas non-pollution discharge; Water in system is carried out to recycle, system, without wastewater disposition, has been saved water resources and has also been avoided environmental pollution simultaneously; Complete assembly full automatic control, has reduced manual operation.Complete assembly is efficient, energy-conservation, economy, environmental protection, easy care, and reliability is high.
Brief description of the drawings
Fig. 1 is MTO quenched water and washing water solid separation method and device technique schematic flow sheet in embodiment of the utility model;
Fig. 2 starches concentrate unit schematic flow sheet in embodiment of the utility model.
Embodiment
Also by reference to the accompanying drawings the utility model is described in further detail below by specific embodiment.
The utility model provides a kind of MTO quenched water and washing water liquid-solid separation device, comprise: filtering separation unit, the import of described filtering separation unit connects the first multiple flow passages rotary valve, described the first multiple flow passages rotary valve connects slag slurry concentrate unit, the concentrate unit dope outlet of described slag slurry connects drying unit, and described drying unit connects gas purification units;
The outlet of described filtering separation unit connects the second multiple flow passages rotary valve, and described the second multiple flow passages rotary valve connects blowback unit, and described blowback unit also connects slag slurry concentrate unit.
Enter filtering separation unit containing solid-liquid, carry out liquid-solid separation for the first time, dreg slurry after filtration enters slag slurry concentrate unit and concentrates, realize liquid-solid separation for the second time, the dope after concentrating enters drying unit, in drying unit, dehydrates, realize liquid-solid separation for the third time, obtain the solid particulate of low-water-content, the gas producing in solid drying process enters gas purification units again, discharge after purifying.
Next, the utility model will be described this MTO quenched water and washing water liquid-solid separation device in detail by some specific embodiments, as Fig. 1, and 2, shown in:
A kind of MTO quenched water and washing water liquid-solid separation device, comprising:
Filtering separation unit 2, the import of described filtering separation unit 2 connects the first multiple flow passages rotary valve 3, described the first multiple flow passages rotary valve 3 connects slag slurry concentrate unit 4, and the 4 dope outlets of described slag slurry concentrate unit connect drying unit 6, and described drying unit 6 connects gas purification units 7;
The outlet of described filtering separation unit 2 connects the second multiple flow passages rotary valve 8, and described the second multiple flow passages rotary valve 8 connects blowback unit 1, and described blowback unit 1 also connects slag slurry concentrate unit 4.
In some specific embodiments, 2 imports of described filtering separation unit connect described the first multiple flow passages rotary valve 3, and 2 outlets of described filtering separation unit connect described the second multiple flow passages rotary valve 8.
In some specific embodiments, described filtering separation unit 2 comprises the strainer of 3 more parallels, as shown in Figure 1, has adopted in this embodiment 6 strainers.
In some specific embodiments, the 4 dope outlets of described slag slurry concentrate unit connect described drying unit 6, and concentrate unit 4 imports of described slag slurry connect described the first multiple flow passages rotary valve 3, and described slag slurry concentrate unit 4 is also connected with described blowback unit 1.And then blowback unit 1 carries out blowback and pressurization to slag slurry concentrate unit 4, realizes on-line cleaning and the discharging of slag slurry concentrate unit 4.
In some specific embodiments, described slag slurry concentrate unit 4 comprises 1～3 thickening filtration device in parallel, as shown in Figure 2, has adopted in this embodiment 2 thickening filtration devices.
In some specific embodiments, described blowback unit 1 also connects the second multiple flow passages rotary valve 8, by the second multiple flow passages rotary valve 8, filtering separation unit 2 is carried out to blowback, realizes the on-line cleaning of filtering separation unit 2, ensures the continuous operation of filtering separation unit 2.
In some specific embodiments, gas purification units 7 is connected with drying unit 6, and gas purification units 7 comprises: condenser 7-1, gas-liquid separator 7-2 and gas purifier 7-3.This gas purification units 7 can be selected, use with reference to prior art.
Another preferred embodiment in, MTO quenched water and washing water liquid-solid separation device also comprise water circulation unit 5, and described water circulation unit 5 is connected with described slag slurry concentrate unit 4 purified liquor outlets, described drying unit 6 liquid exits, described condenser 7-1 liquid exit, described gas-liquid separator 7-2 liquid exit, described gas purifier 7-3 import, described the first multiple flow passages rotary valve 3 imports respectively.Complete assembly water circulation use, without wastewater disposition.
The utility model MTO quenched water and washing water liquid-solid separation device, adopt following principle of work:
Filtering separation unit 2, connects the first multiple flow passages rotary valve 3 and the second multiple flow passages rotary valve 8; The first multiple flow passages rotary valve 3 and the second multiple flow passages rotary valve 8 work asynchronously, and realize the operations such as 2 filtrations of filtering separation unit, backwash, medium displacement and on-line maintenance.
Slag slurry concentrate unit 4, connect the first multiple flow passages rotary valve 3, drying unit 6, blowback unit 1 and water circulation unit 5, entering slag slurry concentrate unit 4 from the filter cake liquid of filtering separation unit 2 by the first multiple flow passages rotary valve 3 concentrates, dope enters drying unit 6, clear liquid enters water circulation unit 5, and blowback unit 1 carries out blowback and pressurization to slag slurry concentrate unit 4.
Blowback unit 1, connects the second multiple flow passages rotary valve 8 and slag slurry concentrate unit 4, and blowback operation can be realized to filtering separation unit 2 by the second multiple flow passages rotary valve 8 in blowback unit 1, and blowback unit 1 is realized slag slurry concentrate unit 4 and carried out the operations such as blowback and pressurization.
Water circulation unit 5, connect slag slurry concentrate unit 4, drying unit 6, the first multiple flow passages rotary valve 3 and gas purification units 7, the liquid of slag slurry concentrate unit 4, drying unit 6 and gas purification units 7 all enters water circulation unit 5, water circulation unit 5 is again by water cycle to the first multiple flow passages rotary valve 3, and complete assembly is without wastewater disposition.
The utility model is simple to operate, and complete assembly integrates filtration, concentrated, dry, condensation, gas-liquid separation and gas sweetening, and liquid-solid-gas three-phase is realized separating for several times, and than other tripping device, separating resulting more thoroughly, efficiency is higher; By gas sweetening processing, gas non-pollution discharge carries out recycle to the water in system simultaneously, and complete assembly, without wastewater disposition, has been saved water resources and also avoided environmental pollution, economic environmental protection; Complete assembly full automatic control, has reduced manual operation, is easy to safeguard.
Complete assembly is efficient, energy-conservation, economy, environmental protection, easy care, and reliability is high.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (6)
1. MTO quenched water and a washing water liquid-solid separation device, is characterized in that, comprising:
Filtering separation unit (2), the import of described filtering separation unit (2) connects the first multiple flow passages rotary valve (3), described the first multiple flow passages rotary valve (3) connects slag slurry concentrate unit (4), concentrate unit (4) the dope outlet of described slag slurry connects drying unit (6), and described drying unit (6) connects gas purification units (7);
The outlet of described filtering separation unit (2) connects the second multiple flow passages rotary valve (8), described the second multiple flow passages rotary valve (8) connects blowback unit (1), and described blowback unit (1) also connects slag slurry concentrate unit (4).
2. MTO quenched water according to claim 1 and washing water liquid-solid separation device, is characterized in that, described filtering separation unit (2) import connects the first multiple flow passages rotary valve (3);
Described filtering separation unit (2) outlet connects the second multiple flow passages rotary valve (8);
Described filtering separation unit (2) comprises the strainer of 3 more parallels.
3. MTO quenched water according to claim 1 and washing water liquid-solid separation device, is characterized in that, concentrate unit (4) the dope outlet of described slag slurry connects drying unit (6);
Concentrate unit (4) import of described slag slurry connects the first multiple flow passages rotary valve (3);
Described slag slurry concentrate unit (4) is also connected with blowback unit (1);
Described slag slurry concentrate unit (4) comprises 1～3 thickening filtration device in parallel.
4. MTO quenched water according to claim 1 and washing water liquid-solid separation device, is characterized in that, described blowback unit (1) connects the second multiple flow passages rotary valve (8) and slag slurry concentrate unit (4).
5. MTO quenched water according to claim 1 and washing water liquid-solid separation device, is characterized in that, described gas purification units (7) is connected with drying unit (6);
Described gas purification units (7) comprising: condenser (7-1), gas-liquid separator (7-2) and gas purifier (7-3).
6. according to MTO quenched water and washing water liquid-solid separation device described in claim 1-5 any one, it is characterized in that, also comprise: water circulation unit (5);
Described water circulation unit (5) is connected with described slag slurry concentrate unit (4) purified liquor outlet, described drying unit (6) liquid exit, described condenser (7-1) liquid exit, described gas-liquid separator (7-2) liquid exit, described gas purifier (7-3) import, described the first multiple flow passages rotary valve (3) import respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420002469.4U CN203668143U (en) | 2013-11-15 | 2014-01-03 | Liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins) |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320719447.5 | 2013-11-15 | ||
| CN201320719447 | 2013-11-15 | ||
| CN201420002469.4U CN203668143U (en) | 2013-11-15 | 2014-01-03 | Liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins) |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203668143U true CN203668143U (en) | 2014-06-25 |
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| CN201420002469.4U Expired - Lifetime CN203668143U (en) | 2013-11-15 | 2014-01-03 | Liquid-solid separation device for quenched water and washing water in MTO (methanol to olefins) |
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| CN (1) | CN203668143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649446A (en) * | 2013-11-15 | 2015-05-27 | 江苏克莱斯克能源装备有限公司 | Liquid-solid separation method and device for MTO (methanol to olefins) quenching water and washing water |
| CN115487568A (en) * | 2021-06-18 | 2022-12-20 | 中国石油化工股份有限公司 | MTO quench tower water slurry purification device and purification method |
-
2014
- 2014-01-03 CN CN201420002469.4U patent/CN203668143U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104649446A (en) * | 2013-11-15 | 2015-05-27 | 江苏克莱斯克能源装备有限公司 | Liquid-solid separation method and device for MTO (methanol to olefins) quenching water and washing water |
| CN115487568A (en) * | 2021-06-18 | 2022-12-20 | 中国石油化工股份有限公司 | MTO quench tower water slurry purification device and purification method |
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| GR01 | Patent grant | ||
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Granted publication date: 20140625 |