CN100431660C - High-pressure highly-efficient liquid-solid separation method and device - Google Patents
High-pressure highly-efficient liquid-solid separation method and device Download PDFInfo
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- CN100431660C CN100431660C CNB2006100467230A CN200610046723A CN100431660C CN 100431660 C CN100431660 C CN 100431660C CN B2006100467230 A CNB2006100467230 A CN B2006100467230A CN 200610046723 A CN200610046723 A CN 200610046723A CN 100431660 C CN100431660 C CN 100431660C
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Abstract
The present invention relates to a liquid and solid separation method, particularly to a high pressure solid and liquid separation method. After a liquid and solid mixture is treated by a normal separation device, the liquid and the solid are separated from each other under the action of 10 to 40MPa pressure. Moreover, the liquid parts are separated from solids by filter media under the action of the filter media. After the liquid and solid mixture is treated, the weight percentage of the liquid portion of the liquid and solid mixture is from 10 percent to 50 percent. The present invention adopts 10 to 40MPa pressure so as to separate liquid wrapped or adsorbed inside the solids from the solids under the action of the pressure. Therefore, the goal of separation can be achieved. After the liquid and solid mixture is treated, moisture content can reach 10 percent to 20 percent. The separation effect of the present invention is very obvious. The present invention has the advantages of low operation cost of the separation device, low manufacture cost of the device, simple structure and extensive suitable objects.
Description
Technical field
The present invention relates to solid separation method and separator.
Background technology
Use traditional liquid-solid isolation technics, as vacuum type, adding pressure type, centrifugal separation etc., usually operating pressure is a low pressure, handling the oil field, during liquid-solid mixture that industrial enterprise such as oil plant or petrochemical industry produces, for example: the oily sludge that oil-containing waste water treating device produces, scum silica frost, bed mud that ABS industry sewage treatment plant produces or the high content of wax diesel oil of petroleum refining industry etc., separative efficiency is low, separate the removal that back solids surface liquid has obtained very big degree, but the content liquid of solids internal package or absorption is still very high, usually moisture content is about 75%-80%, sometimes numerical value even higher, this has great inconvenience to subsequent treatment or use, even can't handle or utilize, and is used as discarded object and carries out the harmless treatment disposal.The operating pressure of the separator that the common technology of tradition is derived from also is low-voltage device, and for example the operating pressure of plate and frame type filter-press regulation is less than 1MPa, and treatment effect is not good.
Summary of the invention
The objective of the invention is at above-mentioned not enough problem, a kind of high-pressure highly-efficient liquid-solid separation method is provided, method is simple, remove the liquid branch in the liquid-solid mixture that uses after conventional separator is handled effectively, make it and can directly utilize, separating effect is good, and separator also is provided in addition, simple in structure, reach above-mentioned separating effect.
The technical scheme that the present invention is adopted for achieving the above object is: high-pressure highly-efficient liquid-solid separation method, liquid-solid mixture after conventional separator is handled, under the effect of 10-40MPa pressure, break away from mutually, and by the effect of filter medium make liquid part see through filter medium and and solids separation, be 10%-50% by liquid-solid mixture liquid part percentage by weight after the effect separating treatment of filter medium.
Described liquid-solid mixture is the scum silica frost of oil-containing waste water treating device generation, bed mud or the high content of wax diesel oil of petroleum refining industry that ABS industry sewage treatment plant produces.
Described liquid-solid mixture breaks away under the effect of 25-35MPa pressure mutually.
Described processing back liquid-solid mixture liquid part percentage by weight is 10%-30%, and optimum weight percentage is 10-20%.
The present invention is used for the separator of above-mentioned separation method, form by high-voltage generator and multiple-unit high pressure filter chamber, in the multiple-unit high pressure filter chamber filter element is housed, fixedly top board is equipped with at the filter element top, the bottom is a sliding floor, and side wall surface has filtrate portalling, and filtrate collection is equipped with in the filtrate outside of portalling on the side wall surface, high-voltage generator links to each other with sliding floor, and high-voltage generator is to make that working pressure range is the device of 10-50Mpa in the multiple-unit filter chamber.
On the described filtrate collection filtrate (liquid is housed, filtrate (liquid connects the filtrate collecting vessel.
Described high-voltage generator is that high-pressure oil pump is connected with high-voltage oil cylinder by pipeline, and the high-voltage oil cylinder push rod links to each other with sliding floor.
Described multiple-unit high pressure filter chamber top fixedly top board is contained on the sliding rail by support.
Described filtrate collection is the filtrate collection chamber that forms between multiple-unit high pressure filter chamber side wall surface and the shell body.
Described filter element is the flexible fabric bag, as the filter cloth bag.
Process of the present invention is for adopting the pressure of 10-40MPa, the liquid branch that makes solids internal package or absorption under the effect of this pressure with solids separation, reach the purpose of separation.For realizing this purpose, the present invention designs exclusive dedicated separation device, its characteristics are to utilize high-pressure oil pump to make the separation filter chamber of this equipment form high pressure, liquid-solid mixture breaks away under the effect of 10-40MPa pressure mutually, and by the effect of filter medium make liquid part see through filter medium and and solids separation.Actual detected result shows, originally moisture content is the liquid-solid mixture of 75%--80% (percentage by weight), adopt processing method of the present invention after apparatus of the present invention are handled, moisture content can reach 10%-20%, separating effect is fairly obvious, liquid-solid mixture is through being convenient to further processing or directly application after the separating treatment, actual application value is very big.
Separator of the present invention is compared with traditional separator has following characteristics: the operating pressure height, working pressure range is 10-50Mpa, liquid-solid mixture breaks away under the effect of 10-50MPa pressure mutually, and by the effect of filter medium be liquid part see through filter medium and and solids separation, the separative efficiency height, originally moisture content be the liquid-solid mixture of 75%--80% (percentage by weight) after apparatus of the present invention are handled, moisture content can reach 10%--20%.Separation efficiency height, unit per hour can be handled 1-2 ton mixture.Operating cost is low, does not need heating during the device operation, does not need to add other materials, and operating cost is about 1/10th of conventional Separation of Solid and Liquid cost, and the device fabrication cost is low, and is simple in structure, is convenient to make processing.Applicable object is wide, not only can handle the particular fluid solid mixture that industrial enterprises such as oil field, oil plant and petrochemical industry shown in the content of the present invention produce, other all can use apparatus of the present invention to be handled with the liquid-solid mixture that parcel or the free shape of adsorption form exist, and also are suitable for oil product is done dewaxing treatment.
The specific embodiment
Below in conjunction with accompanying drawing enforcement of the present invention is further described.
High-pressure highly-efficient liquid-solid separation method, moisture content after conventional separator is handled is the bed mud liquid-solid mixture that 75%--80% (percentage by weight) ABS industry sewage treatment plant produces, under the effect of 10-40MPa pressure, break away from mutually, and by the effect of filter medium make liquid part see through filter medium and and solids separation, be 15% by liquid part percentage by weight after the effect separating treatment of filter medium.
High pressure filter chamber device for effectively separating as shown in Figure 2, by high-voltage generator, multiple-unit high pressure filter chamber is formed, high-voltage generator and multiple-unit high pressure filter chamber 8 are housed in the shell body 13, in the multiple-unit high pressure filter chamber flexible fabric filter bag is housed, the liquid to be filtered solid mixture is housed in the filter bag, fixedly top board 10 is equipped with at the filter element top, fixedly top board is contained on the sliding rail of fixing steelframe 11 by support 12, can laterally move along track, the bottom is a sliding floor 6, side wall surface has filtrate and portals 9, filtrate is portalled and is formed filtrate collection chamber between outside and the shell body on the side wall surface, filtrate (liquid 15 is housed on the filtrate collection chamber, filtrate (liquid connects filtrate collecting vessel 5, high-voltage generator is that high-pressure oil pump passes through pipeline 3 and is connected with high-voltage oil cylinder 4, and high-voltage oil cylinder push rod 14 links to each other with sliding floor, and high-pressure oil pump is contained on the hydraulic oil storage tank 1.
The present invention also can be a structure as shown in Figure 1, and filtrate collecting tank is on the multiple-unit high pressure filter chamber side wall surface filtrate catch tray to be housed.
During work, high-pressure oil pump acts on high-voltage oil cylinder with hydraulic oil by pipeline, high-voltage oil cylinder promotes high pressure filter chamber sliding floor, directly act on each flexible filter element of high pressure filter chamber by multiple-unit high pressure filter chamber sliding floor, whole high pressure filter chamber is made of jointly several independently flexible filter elements, material in the filter element is subjected to the high pressure effect, form maximum liquid-solid separation, each unit is flexible loose interface each other, form between each unit the liquid part distribution channel that connects mutually, the liquid part that is convenient to break away from solids is portalled by device filtrate smoothly glibly.In addition, the operating pressure uniformity that this multiple-unit flexible structure can make each unit bear, device stable working state balance also is extremely slight even fluctuation is arranged, the final filtrate moisture content in each unit is even, reaches the purpose that the efficient homogeneous of liquid-solid mixture separates.Liquid part after the separation is finally introduced the filtrate collecting vessel through entering filtrate collection chamber by filtrate portalling behind the filter medium, finishes the efficient separation of liquid-solid mixture material.Moisture content be 75%--80% (percentage by weight) liquid-solid mixture after treatment liquid part percentage by weight be 10%-20%.
Claims (10)
1, high-pressure highly-efficient liquid-solid separation method, it is characterized in that: the liquid-solid mixture after conventional separator is handled, under the effect of 10-40MPa pressure, break away from mutually, and by the effect of filter medium make liquid part see through filter medium and and solids separation, be 10%-50% by liquid-solid mixture liquid part percentage by weight after the effect separating treatment of filter medium.
2, high-pressure highly-efficient liquid-solid separation method according to claim 1: it is characterized in that: liquid-solid mixture is the scum silica frost of oil-containing waste water treating device generation, bed mud or the high content of wax diesel oil of petroleum refining industry that ABS industry sewage treatment plant produces.
3, high-pressure highly-efficient liquid-solid separation method according to claim 1: it is characterized in that: liquid-solid mixture breaks away under the effect of 25-35MPa pressure mutually.
4, high-pressure highly-efficient liquid-solid separation method according to claim 1: it is characterized in that: by liquid-solid mixture liquid part percentage by weight after the effect separating treatment of filter medium is 10%-30%.
5, high-pressure highly-efficient liquid-solid separation method according to claim 1: it is characterized in that: by liquid-solid mixture liquid part percentage by weight after the effect separating treatment of filter medium is 10-20%.
6, the used device of the arbitrary described high-pressure highly-efficient liquid-solid separation method of claim 1-5, it is characterized in that: it is made up of high-voltage generator and multiple-unit high pressure filter chamber, in the multiple-unit high pressure filter chamber (8) filter element is housed, fixedly top board (10) is equipped with at the filter element top, the bottom is sliding floor (6), side wall surface has filtrate portalling (9), filtrate collection (7) is equipped with in the filtrate outside of portalling on the side wall surface, high-voltage generator links to each other with sliding floor, and high-voltage generator is to make that working pressure range is the device of 10-50Mpa in the multiple-unit filter chamber.
7, high-pressure highly-efficient liquid-solid separator according to claim 6 is characterized in that: filtrate (liquid (15) is housed on the filtrate collection, and filtrate (liquid connects filtrate collecting vessel (5).
8, high-pressure highly-efficient liquid-solid separator according to claim 6 is characterized in that: high-voltage generator is that high-pressure oil pump (2) is connected with high-voltage oil cylinder (4) by pipeline (3), and high-voltage oil cylinder push rod (14) links to each other with sliding floor.
9, high-pressure highly-efficient liquid-solid separator according to claim 6 is characterized in that: multiple-unit high pressure filter chamber top fixedly top board (10) is contained on the sliding rail by support (12).
10, high-pressure highly-efficient liquid-solid separator according to claim 6 is characterized in that: the filtrate collection chamber of filtrate collection (7) for forming between multiple-unit high pressure filter chamber side wall surface and the shell body (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467230A CN100431660C (en) | 2006-05-25 | 2006-05-25 | High-pressure highly-efficient liquid-solid separation method and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100467230A CN100431660C (en) | 2006-05-25 | 2006-05-25 | High-pressure highly-efficient liquid-solid separation method and device |
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| Publication Number | Publication Date |
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| CN1883742A CN1883742A (en) | 2006-12-27 |
| CN100431660C true CN100431660C (en) | 2008-11-12 |
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| CNB2006100467230A Expired - Fee Related CN100431660C (en) | 2006-05-25 | 2006-05-25 | High-pressure highly-efficient liquid-solid separation method and device |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103524014A (en) * | 2013-10-08 | 2014-01-22 | 大连东泰产业废弃物处理有限公司 | Harmless treatment method of fly ash |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997441A (en) * | 1975-04-21 | 1976-12-14 | Pamplin Jr Lee F | Pressure filter separator |
| CN1085193A (en) * | 1993-09-10 | 1994-04-13 | 石油大学(北京) | The method and apparatus of refiltered oil from oily sludge |
| CN2897375Y (en) * | 2006-05-25 | 2007-05-09 | 大连东泰产业废弃物处理有限公司 | Efficient and high-pressure liquid-solid separator |
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- 2006-05-25 CN CNB2006100467230A patent/CN100431660C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3997441A (en) * | 1975-04-21 | 1976-12-14 | Pamplin Jr Lee F | Pressure filter separator |
| CN1085193A (en) * | 1993-09-10 | 1994-04-13 | 石油大学(北京) | The method and apparatus of refiltered oil from oily sludge |
| CN2897375Y (en) * | 2006-05-25 | 2007-05-09 | 大连东泰产业废弃物处理有限公司 | Efficient and high-pressure liquid-solid separator |
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| CN1883742A (en) | 2006-12-27 |
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