CN113528179A - Novel pretreatment device - Google Patents
Novel pretreatment device Download PDFInfo
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- CN113528179A CN113528179A CN202110740708.0A CN202110740708A CN113528179A CN 113528179 A CN113528179 A CN 113528179A CN 202110740708 A CN202110740708 A CN 202110740708A CN 113528179 A CN113528179 A CN 113528179A
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- side wall
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- tank body
- fuel oil
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- 238000001914 filtration Methods 0.000 claims abstract description 72
- 239000000295 fuel oil Substances 0.000 claims abstract description 65
- 239000003921 oil Substances 0.000 claims abstract description 29
- 239000003463 adsorbent Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 238000007781 pre-processing Methods 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 5
- 230000002035 prolonged effect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
- C10G53/08—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only including at least one sorption step
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/33—Self-supporting filtering elements arranged for inward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/56—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in series connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Filtration Of Liquid (AREA)
Abstract
The application discloses novel preprocessing device belongs to fuel oil production technical field. The method comprises the following steps: the top of the tank body is provided with an oil inlet; the filter body is arranged in the tank body and comprises a filtering side wall, a filtering cavity defined by the filtering side wall and a top wall connected with the top of the filtering side wall, the outer side surface of the filtering side wall and the inner side wall of the tank body form a fuel oil accommodating cavity, so that fuel oil in the fuel oil accommodating cavity enters the filtering cavity through the filtering of the filtering side wall, the top wall of the filter body is provided with an oil outlet pipeline, the bottom of the oil outlet pipeline extends downwards to the bottom of the filtering cavity, and the top of the oil outlet pipeline extends upwards out of the top of the tank body; the thickness of the filter side wall gradually increases from the top to the bottom. The thickness of the filtering side wall of the filtering body is gradually thickened from the top to the bottom, along with the increase of the depth of the fuel oil accommodating cavity, the bearing capacity of the filtering side wall of the filtering body is gradually enhanced, the filtering body is not easy to deform, and the influence on the filtering efficiency is reduced.
Description
Technical Field
The application relates to a novel pretreatment device, and belongs to the technical field of fuel oil production.
Background
In the production process of the fuel oil, mechanical impurities and ash content are important quality indexes of the fuel oil, the mechanical impurities in the fuel oil comprise insoluble precipitates or suspended matters, the mechanical impurities can cause the fuel oil to block a filter screen, cause the abrasion of an oil well pump and the blockage of an oil nozzle and influence the normal combustion, and therefore how to remove the mechanical impurities of the fuel oil is an important link in the production of the fuel oil. The edulcoration device function of current fuel oil is not comprehensive, mainly carries out simple filtration with filter paper, filter cloth, filter bag etc. to fuel oil, and the filter effect is difficult to guarantee, and filtration efficiency is low, and does not carry out special processing to the suspension impurity in the fuel oil, leads to mechanical impurities to handle inadequately, not thorough.
In order to solve the problems of insufficient and incomplete mechanical impurity treatment, filter paper, filter cloth and filter bags are replaced by cylindrical filter elements made of different materials, the cylindrical filter elements are arranged in a filter tank body, then fuel oil is guided to a gap between the filter tank body and the cylindrical filter elements, and under the action of the pressure difference between the inside and the outside of the cylindrical filter elements, the fuel oil enters the cylindrical filter elements through the filtration of the cylindrical filter elements and is finally guided out of the whole filter tank body. However, in the filtering structure, as the depth of the fuel oil increases during the use process, the pressure of the fuel oil on the cylindrical filter element becomes larger, that is, the lower part of the cylindrical filter element is subjected to the pressure of the fuel oil, and after the filtering structure is used for a period of time, the lower part of the cylindrical filter element is easy to deform and shrink towards the inside of the cylindrical filter element, so that the filtering gap in the cylindrical filter element becomes smaller, and the filtering efficiency of the fuel oil is affected.
Disclosure of Invention
In order to solve the problem, the application provides a novel preprocessing device, and this novel preprocessing device is strong to the bearing capacity of fuel oil, is difficult for taking place to warp, and is little to the filtration efficiency influence of fuel oil.
The technical scheme of the application is as follows:
the application provides a novel preprocessing device, include:
the top of the tank body is provided with an oil inlet;
the filter body is arranged in the tank body and comprises a filtering side wall, a filtering cavity enclosed by the filtering side wall and a top wall connected with the top of the filtering side wall, a fuel oil accommodating cavity is formed by the outer side surface of the filtering side wall and the inner side wall of the tank body, so that fuel oil in the fuel oil accommodating cavity enters the filtering cavity through filtering of the filtering side wall, an oil outlet pipeline is arranged on the top wall of the filter body, the bottom of the oil outlet pipeline extends downwards to the bottom of the filtering cavity, and the top of the oil outlet pipeline extends upwards out of the top of the tank body;
wherein the thickness of the filtering side wall is gradually increased from the top to the bottom.
Optionally, the jar body is the cylinder, it is the round platform form to cross the filter body, the jar body with cross the setting of filter body coaxial line, the lateral surface of filtering the lateral wall extends downwards by the roof of crossing the filter body the bottom and the slope setting of the inside wall of the jar body, the medial surface with the inside wall parallel arrangement of the jar body.
Optionally, the radial dimension of the filter cavity of the filter body is 1/4-3/4 of the radial dimension of the canister.
Optionally, the inner side surface of the filter body is provided with a support frame, and the bottom of the support frame extends to the outer periphery to the inner side wall of the tank body so as to support the whole filter body.
Optionally, the filter comprises a shunting filter sieve, the shunting filter sieve is sequentially provided with a limiting part and a filter part from the center to the periphery, the filter part comprises an inner side wall and an outer side wall, the bottom of the inner side wall is connected with the bottom of the outer side wall through a filter screen, and the outer side wall is in clearance connection with the inner side wall of the tank body;
the top of the inside wall of the filtering part is provided with a cover plate, the inside wall of the filtering part and the cover plate form the limiting part, so that the top wall of the filtering body upwards extends into the limiting part, and the cover plate is provided with a mounting hole for the oil outlet pipeline to pass through.
Optionally, the lateral wall of filter house is equipped with the installation department that extends to the periphery, the inside wall of the jar body is equipped with the confession the embedded groove of installation department embedding.
Optionally, a honeycomb-shaped shunt pipe is arranged on the filter screen, and the height of the honeycomb-shaped shunt pipe is lower than any height of the inner side wall and the outer side wall of the filter part.
Optionally, the inner side wall of the honeycomb shunt pipe is provided with an adsorbent.
Optionally, an annular sealing strip is arranged between the mounting hole of the cover plate and the oil outlet pipeline.
Optionally, a cover is arranged on the top of the tank body.
Benefits that can be produced by the present application include, but are not limited to:
1. the utility model provides a novel preprocessing device, fuel oil enter into the fuel oil between the filter body and the jar body through the oil inlet at jar body top and hold the intracavity, and the thickness of the filtration lateral wall of the filter body is by top to bottom bodiness gradually, holds the increase of chamber degree of depth along with fuel oil, and the bearing capacity of the filtration lateral wall of the filter body becomes strong gradually, and the filter body is difficult for taking place deformation, has reduced the influence to filtration efficiency.
2. The utility model provides a novel preprocessing device, the lateral surface of filtering the lateral wall is by the bottom slope setting of the roof downwardly extending to the inside wall of the jar body of filtering the body for the fuel oil that flows into the fuel oil from the oil inlet and holds the chamber meets the lateral surface of slope, has reduced the velocity of flow of fuel oil, has further reduced the impact to filtering the lateral wall of filtering the body.
3. The utility model provides a novel preprocessing device, the setting of support frame can prevent to cross the filter body and contract in to the filter chamber, reduces the emergence of deformation, simultaneously, when changing the filter body, can directly draw the support frame, will cross the filter body and carry out a jar body, can strike off the sediment of jar internal side wall accumulation simultaneously.
4. According to the novel pretreatment device, the limit part of the shunting filter sieve is arranged, so that the filter body can be prevented from inclining under the impact of fuel oil and influencing the filtering effect of the fuel oil, the filter part of the shunting filter sieve can be arranged to perform shunting and primary filtering on the fuel oil, the flow rate of the fuel oil is reduced, the filtering pressure on the filter body is reduced, and the service life of the filter body is prolonged; the setting of honeycomb shunt tubes in the filter house can be broken up a large amount of fuel oil and carry out the water conservancy diversion in getting into corresponding through-hole respectively, has prolonged the drain distance of fuel oil for the impurity distribution of the suspension in the fuel oil is loose, evenly passes through the filter screen, has improved the area of contact of the adsorbent that sets up in fuel oil and the honeycomb shunt tubes simultaneously, improves adsorption efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic view of a novel pretreatment apparatus according to an embodiment of the present disclosure;
FIG. 2 is a cross-sectional view of a split flow filter screen (a) and honeycomb manifold (b) according to an embodiment of the present application;
fig. 3 is a cross-sectional view of a split flow filter screen according to an embodiment of the present application.
List of parts and reference numerals:
1. a tank body 11, a cover body 12, an oil inlet 13, an oil outlet pipeline 14 and an embedded groove,
2. a filter body 21, a filter side wall 211, an outer side surface 212, an inner side surface 22, a filter cavity 23, a top wall 24 and a support frame,
3. a fuel oil accommodating cavity is formed in the fuel oil accommodating cavity,
4. a shunting filter screen 41, a filter part 411, an inner side wall 412, an outer side wall 413, a filter screen 42, a limiting part 421, a cover plate 423, a mounting hole 43 and a mounting part,
5. honeycomb shunt tubes, 6 and annular sealing strips.
Detailed Description
In order to more clearly explain the overall concept of the present application, the following detailed description is given by way of example in conjunction with the accompanying drawings.
In order that the above objects, features and advantages of the present application can be more clearly understood, the present application will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited by the specific embodiments disclosed below.
In addition, in the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the description herein, reference to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application.
The embodiment of the present application discloses a novel preprocessing device, as shown in fig. 1, this novel preprocessing device includes: the oil filter comprises a tank body 1 with an oil inlet 12 at the top, wherein a filter body 2 is arranged in the tank body 1, the filter body 2 comprises a filter side wall 21, a filter cavity 22 enclosed by the filter side wall 21 and a top wall 23 connected with the top of the filter side wall, a fuel oil accommodating cavity 3 is formed by the outer side surface 211 of the filter side wall 21 and the inner side wall of the tank body 1, so that fuel oil in the fuel oil accommodating cavity 3 enters the filter cavity 22 through the filter of the filter side wall 21, an oil outlet pipeline 13 is arranged on the top wall 23 of the filter body 2, the bottom of the oil outlet pipeline 13 extends downwards to the bottom of the filter cavity 22, and the top of the oil outlet pipeline 13 extends upwards out of the top of the tank body 1; in order to increase the pressure bearing capacity of the filter body 2 to fuel oil and reduce the deformation of the filter body 2, the thickness of the filter side wall 21 is gradually increased from the top to the bottom.
As an implementation mode, the tank body 1 is arranged into a cylinder, the filter body 2 is in a circular truncated cone shape, the tank body 1 and the filter body 2 are coaxially arranged, the outer side surface 211 of the filter side wall 21 extends downwards from the top wall 23 of the filter body 2 to the bottom of the inner side wall of the tank body 1 and is obliquely arranged, and the inner side surface 212 is parallel to the inner side wall of the tank body 1, so that fuel oil flowing into the fuel oil accommodating cavity 3 from the oil inlet 12 meets the oblique outer side surface 211, the flow rate of the fuel oil is reduced, the impact on the filter side wall 21 of the filter body is further reduced, and the service life of the filter body 2 is prolonged.
In some examples, the radial dimension of the filter chamber 22 of the filter body 2 is 1/4-3/4 of the radial dimension of the can body 1, and in this embodiment, the radial dimension of the filter chamber 22 of the filter body 2 is 1/2 of the radial dimension of the can body 1. When the ratio of the radial dimension of the filter cavity 22 of the filter body 2 to the radial dimension of the tank body 1 is smaller than 1/4, the occupied space of the filter side wall 21 of the filter body 2 in the tank body 1 is larger, the filter cavity 22 is smaller, the filtering efficiency of the fuel oil is reduced, and when the ratio of the radial dimension of the filter cavity 22 of the filter body 2 to the radial dimension of the tank body 1 is larger than 3/4, the inclination of the outer side surface 211 of the filter side wall 21 of the filter body 2 is smaller, and the pressure bearing capacity is not changed obviously.
In order to prevent the filter body 2 from shrinking into the filter cavity and reduce the deformation of the filter body 2, the inner side surface 212 of the filter body is provided with a support frame 24, the bottom of the support frame 24 extends to the inner side wall of the tank body 1 to support the whole filter body 2, when the filter body is replaced, the support frame 24 can be directly extracted, the filter body 2 is lifted out of the tank body 1, and meanwhile, sediments accumulated on the inner side wall of the tank body 1 can be scraped.
In an example, a shunting filter sieve 4 is further provided, as shown in fig. 2(a) and fig. 3, the shunting filter sieve 4 is provided with a limiting portion 42 and a filter portion 41 in sequence from the center to the periphery, the filter portion 41 includes an inner side wall 411 and an outer side wall 412, the bottom of the inner side wall 411 is connected with the bottom of the outer side wall 412 through a filter screen 413, the outer side wall 412 is in clearance connection with the inner side wall 411 of the tank body 1, and the filter portion 41 is provided to shunt and primarily filter fuel oil, reduce the flow rate of the fuel oil, reduce the filtering pressure on the filter body 2, and prolong the service life of the filter body 2; the outer side wall 412 of the filtering part 41 is provided with an installation part 43 extending towards the periphery, the inner side wall 411 of the tank body 1 is provided with an embedded groove 14 for embedding the installation part 43, the installation part 43 is arranged to enable the tank body 1 to bear the gravity of the shunting filtering sieve 4 and the impact force of fuel oil on the shunting filtering sieve 4, and the pressure of the limiting part 42 of the shunting filtering sieve 4 on the filtering body 2 is avoided.
The top of the inside wall 411 of the filtering portion 41 is provided with a cover plate 421, the inside wall 411 of the filtering portion 41 and the cover plate 421 form a limiting portion 42, so that the top wall 23 of the filtering body 2 extends upwards into the limiting portion 42, the cover plate 421 is provided with a mounting hole 423 for the oil outlet pipeline 13 to pass through, and the arrangement of the limiting portion 42 of the shunting filter sieve 4 can prevent the filtering body 2 from inclining under the impact of fuel oil and affecting the filtering effect of the fuel oil.
In this embodiment, the divided flow filter sieve 4 is integrally provided.
Preferably, as shown in fig. 2(b), a honeycomb shunt tube 5 is arranged on the filter screen 413, the height of the honeycomb shunt tube 5 is lower than any one of the inner side wall 411 and the outer side wall 412 of the filter part 41, a fuel oil reserving space is formed by the top of the honeycomb shunt tube 5 and the inner side wall 411 and the outer side wall 412 of the filter part 41, and an adsorbent is arranged on the inner side wall 411 of the honeycomb shunt tube 5. The setting of honeycomb shunt tubes 5 in the filter part 41 can be broken up a large amount of fuel oil and carry out the water conservancy diversion in getting into corresponding through-hole respectively, has prolonged the drain distance of fuel oil for the impurity distribution of the suspension in the fuel oil is loose, evenly passes through filter screen 413, has improved the area of contact of the adsorbent that sets up in fuel oil and the honeycomb shunt tubes 5 simultaneously, improves adsorption efficiency.
In order to prevent the filtered fuel oil in the filter chamber 22 from mixing with the unfiltered fuel oil, an annular sealing strip 6 is arranged between the mounting hole 423 of the cover plate 421 and the oil outlet pipeline 13. The top of the tank body 1 is provided with a cover body 11 so as to facilitate the disassembly of the shunt filter sieve 4 and the cleaning and replacement of the filter body 2.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the system embodiment, since it is substantially similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A novel pretreatment device, comprising:
the top of the tank body is provided with an oil inlet;
the filter body is arranged in the tank body and comprises a filtering side wall, a filtering cavity enclosed by the filtering side wall and a top wall connected with the top of the filtering side wall, a fuel oil accommodating cavity is formed by the outer side surface of the filtering side wall and the inner side wall of the tank body, so that fuel oil in the fuel oil accommodating cavity enters the filtering cavity through filtering of the filtering side wall, an oil outlet pipeline is arranged on the top wall of the filter body, the bottom of the oil outlet pipeline extends downwards to the bottom of the filtering cavity, and the top of the oil outlet pipeline extends upwards out of the top of the tank body;
wherein the thickness of the filtering side wall is gradually increased from the top to the bottom.
2. The novel pretreatment device according to claim 1, wherein the tank body is a cylinder, the filter body is in a circular truncated cone shape, the tank body and the filter body are coaxially arranged, the outer side surface of the filter side wall extends downwards from the top wall of the filter body to the bottom of the inner side wall of the tank body and is obliquely arranged, and the inner side surface is parallel to the inner side wall of the tank body.
3. The novel pretreatment device of claim 2, wherein the filter cavity of the filter body has a radial dimension 1/4-3/4 of a radial dimension of the canister.
4. The novel pretreatment device according to claim 2, wherein a support frame is provided on the inner side surface of the filter body, and the bottom of the support frame extends to the inner side wall of the tank body from the outer periphery to support the whole filter body.
5. The novel pretreatment device according to claim 1,
the filter comprises a tank body and is characterized by further comprising a shunting filter screen, wherein a limiting part and a filter part are sequentially arranged on the shunting filter screen from the center to the periphery, the filter part comprises an inner side wall and an outer side wall, the bottom of the inner side wall is connected with the bottom of the outer side wall through a filter screen, and the outer side wall is in clearance connection with the inner side wall of the tank body;
the top of the inside wall of the filtering part is provided with a cover plate, the inside wall of the filtering part and the cover plate form the limiting part, so that the top wall of the filtering body upwards extends into the limiting part, and the cover plate is provided with a mounting hole for the oil outlet pipeline to pass through.
6. The novel pretreatment device according to claim 5, wherein an outer side wall of the filter part is provided with a mounting part extending toward the outer periphery, and an inner side wall of the tank body is provided with an embedded groove for embedding the mounting part.
7. The novel pretreatment device according to claim 5, wherein a honeycomb-shaped shunt pipe is arranged on the filter screen, and the height of the honeycomb-shaped shunt pipe is lower than any one of the height of the inner side wall and the height of the outer side wall of the filter part.
8. The novel pretreatment device of claim 7, wherein the interior sidewalls of the honeycomb shunt tubes are provided with an adsorbent.
9. The novel pretreatment device of claim 5, wherein an annular sealing strip is arranged between the mounting hole of the cover plate and the oil outlet pipeline.
10. The novel pretreatment device of claim 1, wherein a lid is provided on the top of the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740708.0A CN113528179A (en) | 2021-06-30 | 2021-06-30 | Novel pretreatment device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110740708.0A CN113528179A (en) | 2021-06-30 | 2021-06-30 | Novel pretreatment device |
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| CN113528179A true CN113528179A (en) | 2021-10-22 |
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| CN202110740708.0A Withdrawn CN113528179A (en) | 2021-06-30 | 2021-06-30 | Novel pretreatment device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191867A (en) * | 2021-11-23 | 2022-03-18 | 浙江求寔新材料股份有限公司 | Printing and dyeing wastewater treatment device |
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| CN209735117U (en) * | 2018-12-29 | 2019-12-06 | 中国石油天然气股份有限公司 | petroleum residue filtering device |
| CN210078968U (en) * | 2019-01-16 | 2020-02-18 | 宁夏马季食用油有限公司 | Plant edible oil filter |
| CN111905418A (en) * | 2019-05-10 | 2020-11-10 | 青岛海尔洗碗机有限公司 | Filter equipment and washing equipment intake |
| CN112029629A (en) * | 2020-09-23 | 2020-12-04 | 湖南鼎康酒业发展有限公司 | Red date wine filter equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114191867A (en) * | 2021-11-23 | 2022-03-18 | 浙江求寔新材料股份有限公司 | Printing and dyeing wastewater treatment device |
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Application publication date: 20211022 |