CN213609922U - Device for filtering solid medium in liquid - Google Patents
Device for filtering solid medium in liquid Download PDFInfo
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- CN213609922U CN213609922U CN202020783426.XU CN202020783426U CN213609922U CN 213609922 U CN213609922 U CN 213609922U CN 202020783426 U CN202020783426 U CN 202020783426U CN 213609922 U CN213609922 U CN 213609922U
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Abstract
The utility model relates to a filter field, concretely relates to solid medium's in filtration liquid device. The device is of a vertical structure, the upper part of the device is provided with a charging barrel, and the lower part of the device is provided with an adsorption barrel; the top of the charging barrel is provided with a liquid inlet, the liquid inlet is connected with a spraying device, and the charging barrel is also provided with a plurality of sewage outlets; the adsorption cylinder is filled with adsorption filler, the bottom of the adsorption cylinder is provided with a liquid outlet, and a liquid outlet pipeline communicated with the liquid outlet is also connected with a purging pipeline. The utility model discloses an adsorb the solid medium among the filler absorption liquid, utilize after the device operation a period to sweep the pipeline and clear up the solid medium among the filler absorption, avoided the easy problem of blockking up of conventional filter core, strengthened simultaneously and removed solid effect.
Description
Technical Field
The utility model relates to a filter field, concretely relates to solid medium's in filtration liquid device.
Background
The flushing oil for direct coal liquefaction is medium-high temperature solvent oil which is processed by a hydrogenation stabilizing device and then returns to a coal liquefaction device for use. The quality of the flushing oil directly determines the using effect of the flushing oil, the high-quality flushing oil has obvious effects on reducing the pipeline abrasion, avoiding blockage, reducing the pipeline resistance and the like, at present, the higher solid content in the oil is a key factor influencing the quality of the flushing oil, the solid content of the flushing oil is mainly because the oil carries impurities such as solid coal dust particles and the like, the solid content of the flushing oil is generally reduced by adopting a filtering mode and the like in the prior art, for example, a sintered filter element is adopted for filtering, but the filtering capability of a conventional sintered filter element is weaker, particularly under the condition that the solid content in the flushing oil is higher or the treatment capacity of the flushing oil is large, the problems that the filter element is blocked and is difficult to clean are easily caused, and the long-period stable.
SUMMERY OF THE UTILITY MODEL
The utility model provides a solid medium's in filtering liquid device can be used to filter the solid buggy granule in the flushing oil, aims at solving the problem that conventional filter core easily blockked up, improves the effect of getting rid of the solid buggy granule in the flushing oil simultaneously.
The utility model discloses a realize like this:
a device for filtering solid media in liquid is of a vertical structure, wherein the upper part of the device is provided with a feed cylinder, and the lower part of the device is provided with an adsorption cylinder;
the top of the charging barrel is provided with a liquid inlet, the liquid inlet is connected with a spraying device, and the charging barrel is also provided with a plurality of sewage outlets;
the adsorption cylinder is filled with adsorption filler, the bottom of the adsorption cylinder is provided with a liquid outlet, and a liquid outlet pipeline communicated with the liquid outlet is also connected with a purging pipeline.
Preferably, the liquid inlet and the liquid outlet are respectively provided with a first pressure gauge and a second pressure gauge, and the pressure difference between the liquid inlet and the liquid outlet is used for measuring the adsorption degree of the adsorption filler to the solid medium in the liquid.
Preferably, the adsorption filler comprises activated carbon and ceramic balls.
Preferably, the purge line is a nitrogen/steam purge line, and is used for performing reverse purge on the liquid outlet pipeline and the adsorption cylinder after liquid drainage.
Preferably, the liquid outlet pipeline is further connected with a cleaning pipeline for reversely cleaning the liquid outlet pipeline and the adsorption cylinder after liquid drainage.
Preferably, be provided with four drain on going into the feed cylinder, include:
the first drain outlet is arranged at the top of the charging barrel;
and the second sewage draining outlet, the third sewage draining outlet and the fourth sewage draining outlet are arranged on the side surface of the charging barrel.
Preferably, the first sewage draining port, the second sewage draining port, the third sewage draining port and the fourth sewage draining port are respectively connected with a branch pipe, each branch pipe collects a main sewage draining pipe, and the tail end of the main sewage draining pipe is connected with a sewage draining tank.
Preferably, each branched pipe is provided with a blowdown valve for controlling the on-off of the pipe.
Preferably, the liquid outlet pipeline is further connected with a back pump, and the filtered liquid enters the production line through the back pump.
Preferably, a cross-line pipeline is arranged between the liquid inlet of the material inlet cylinder and the liquid outlet of the adsorption cylinder, and a cross-line valve is arranged on the cross-line pipeline.
In the device for filtering the solid medium in the liquid, the liquid to be treated enters the spraying device through the liquid inlet of the feeding cylinder and is uniformly sprayed onto the adsorption filler in the adsorption cylinder through the spraying device, the liquid is discharged from the liquid outlet pipeline after the solid medium carried by the liquid is filtered by the adsorption filler, and then the liquid outlet pipeline and the adsorption cylinder are reversely blown by the blowing pipeline, so that the solid medium intercepted in the adsorption filler is discharged from the sewage outlet. When the device is used for filtering flushing oil, the adsorption filler is used for adsorbing solid coal dust particles in the flushing oil, and the purging pipeline is used for cleaning the solid coal dust particles in the adsorption filler after the device is operated for a period of time, so that the problem that a conventional filter element is easy to block is avoided, and the solid removal effect is enhanced.
Drawings
FIG. 1 is a block diagram of an apparatus for filtering solid media from a liquid.
Description of the reference numerals
Feeding into a charging barrel 1; an adsorption cylinder 2; a purge line 3; a blow-down tank 4; a back pump 5; a spray device 10; adsorbing the packing 20.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The endpoints of the ranges and any values disclosed herein are not limited to the precise range or value, and such ranges or values should be understood to encompass values close to those ranges or values. For ranges of values, between the endpoints of each of the ranges and the individual points, and between the individual points may be combined with each other to give one or more new ranges of values, and these ranges of values should be considered as specifically disclosed herein.
The utility model provides a solid medium's in filtering liquid device can be applied to coal-to-liquids or coal chemical industry process, especially carries out the desorption to the liquefied oil that the direct liquefaction device of coal produced, for example the solid microparticle that the flushing oil carried. As shown in FIG. 1, the device is a vertical container, the upper part of which is a feeding cylinder 1, and the lower part of which is an adsorption cylinder 2. The top of the charging barrel 1 is provided with a liquid inlet, the liquid inlet is connected with a spraying device 10, and the charging barrel 1 is further provided with a plurality of sewage outlets. The adsorption cylinder 2 is filled with adsorption filler 20, the bottom of the adsorption cylinder 2 is provided with a liquid outlet, and a liquid outlet pipeline communicated with the liquid outlet is also connected with a purging pipeline 3.
In the device for filtering solid media in liquid, liquid to be treated enters the spraying device 10 through the liquid inlet of the feeding cylinder 1 and is uniformly sprayed onto the adsorption filler 20 in the adsorption cylinder 2 through the spraying device 10, the liquid is discharged from the liquid outlet pipeline after the solid media carried by the liquid are filtered by the adsorption filler 20, and then the liquid outlet pipeline and the adsorption cylinder 2 are reversely swept by the sweeping pipeline 3, so that the solid media intercepted in the adsorption filler 20 are discharged from the sewage outlet. When the device is used for filtering flushing oil, the solid coal dust particles in the flushing oil are adsorbed by the adsorption filler 20, and the solid coal dust particles in the adsorption filler 20 are cleaned by the purging pipeline 3 after the device is operated for a period of time, so that the problem of blockage can be avoided even under the condition of large treatment capacity of the flushing oil, and the liquid solid removal effect is enhanced.
The utility model discloses in, inlet and liquid outlet department are equipped with first manometer and second manometer respectively, the inlet is used for surveing the adsorption degree of adsorbing the solid medium of packing 20 in to liquid with the pressure differential of liquid outlet. In a certain pressure difference range, the larger the pressure difference between the liquid inlet and the liquid outlet is, the higher the adsorption degree of the solid medium in the liquid by the adsorption packing 20 is.
Specifically, in the operation process of the device, liquid to be treated enters from a liquid inlet of a feeding cylinder 1, is filtered by an adsorption filler 20 in an adsorption cylinder 2 and then is output from a liquid outlet, solid media such as microparticles carried in the liquid are intercepted in the adsorption filler 20, the intercepted solid media are more and more, the filtering speed is slower and slower, the pressure difference between the liquid inlet and the liquid outlet is gradually increased along with the increase of the treatment liquid amount, when the absolute value of the pressure difference reaches a set value, generally more than 0.1MPa, a differential pressure transmitter connected with a pressure gauge transmits a differential pressure electric signal to a controller, the controller controls a drain valve to be opened, so that the solid media in the adsorption filler 20 are discharged from a drain outlet, and when the solid media in the adsorption filler 20 are cleaned, the pressure difference between the liquid inlet and the liquid outlet is reduced to the minimum value and returns to the initial filtering state, the device continues to operate.
Further, the adsorption filler 20 is a material having an interception function on a solid medium in a liquid, including activated carbon and ceramic balls. The adsorption filler 20 has a weak liquid interception effect and a strong solid medium interception effect, and in practical application, the corresponding adsorption filler 20 can be selected according to the properties of the solid medium contained in the liquid to enhance the adsorption effect.
Further, the purge line 3 is a nitrogen/steam purge line, and is used for reversely purging the liquid outlet pipeline and the adsorption cylinder 2 after oil discharge. The liquid outlet pipeline is also connected with a cleaning pipeline and is used for reversely cleaning the liquid outlet pipeline and the adsorption cylinder 2 after liquid drainage. The effect of the reverse purge and reverse purge process is to remove the solid media trapped in adsorbent packing 20.
Further, go into to be provided with four drain on the feed cylinder 1, including set up in go into the first drain at feed cylinder 1 top, and set up in go into second drain, third drain and fourth drain on the feed cylinder 1 side.
The first sewage discharge outlet, the second sewage discharge outlet, the third sewage discharge outlet and the fourth sewage discharge outlet are respectively connected with a branch pipe, each branch pipe collects a main sewage discharge pipe, and each branch pipe is provided with a sewage discharge valve for controlling the on-off of the pipeline.
The tail end of the main sewage discharge pipe is connected with a sewage discharge tank 4, and the sewage discharge tank 4 is also connected with a sewage discharge treatment system. The sewage system is used for carrying out innocent treatment on incoming sewage.
Furthermore, the liquid outlet pipeline is also connected with a back pump 5, and the filtered liquid enters the production line through the back pump 5.
Further, a cross-line pipeline (not shown in the figure) is arranged between the liquid inlet of the material inlet cylinder 1 and the liquid outlet of the adsorption cylinder 2, and a cross-line valve is arranged on the cross-line pipeline.
The commissioning flow of the device is as follows: before the device is put into use, whether each sewage discharge pipeline is closed or not is checked, the purging line blind plate is kept closed, each cross-line valve is adjusted to enable the cross-line pipeline to be in an open state, and raw materials are supplied to the back pump 5 through the cross-line pipeline; when the device is put into use, the valve of the liquid outlet is opened firstly, then the first blowdown valve at the top of the charging barrel 1 is opened, and the first blowdown valve is closed when the liquid level of the blowdown tank 4 begins to rise, so that the gas in the device is completely discharged, and the space where the liquid to be treated is filled is prevented from being pumped out by the back-way pump 5 due to gas; slowly opening the liquid inlet valve, gradually closing all the cross-line valves after the liquid inlet pressure and the liquid outlet pressure are stable, and slowly adjusting the whole application process to prevent the influence on the inlet pressure of the on-line operated back pump 5; meanwhile, the device needs to be cleaned regularly, fluid such as water and chemical solution, and gas such as air (or nitrogen), steam and the like are used for reversely cleaning and blowing the liquid outlet pipeline, solid media intercepted in the adsorption filler 20 are removed, and smooth driving of the device is guaranteed.
The utility model provides a filter equipment throughput is strong, and operating duration is long, is applicable to the liquid filtration of higher solid content, simultaneously, adopts the back flush/sweep mode clearance deposit and realize online blowdown, is particularly useful for the direct liquefaction of coal or coal chemical industry oil and removes admittedly. When the device is used for filtering flushing oil, the feeding amount of the flushing oil is 10-20 tons per hour, the solid content of the flushing oil is about 0.1%, the device can be cut and blown once every 10 days of operation, the solid removal rate can reach 1%, the risk of pipeline blockage, abrasion and leakage caused by coal dust deposition is effectively reduced, the maintenance cost calculation of cutting opening coke removal caused by deposition blockage of instrument flushing oil pipelines every year is carried out according to the conventional annual maintenance cost calculation, the maintenance cost can be remarkably reduced by adopting the device, the device can be subsequently and gradually applied to a large-flow flushing oil or liquefied oil solid removal system, and good influence is generated on each production system for direct coal liquefaction.
The preferred embodiments of the present invention have been described in detail above, but the present invention is not limited thereto. In the technical idea scope of the present invention, it can be right to the technical solution of the present invention perform multiple simple modifications, including each technical feature combined in any other suitable manner, these simple modifications and combinations should be regarded as the disclosed content of the present invention, and all belong to the protection scope of the present invention.
Claims (9)
1. A device for filtering solid media in liquid is characterized in that the device is of a vertical structure, the upper part of the device is provided with a feed cylinder (1), and the lower part of the device is provided with an adsorption cylinder (2);
a liquid inlet is formed in the top of the charging barrel (1), the liquid inlet is connected with a spraying device (10), and a plurality of sewage outlets are formed in the charging barrel (1);
the adsorption device is characterized in that adsorption filler (20) is filled in the adsorption cylinder (2), a liquid outlet is formed in the bottom of the adsorption cylinder (2), and a liquid outlet pipeline communicated with the liquid outlet is further connected with a purging pipeline (3).
2. The device according to claim 1, wherein a first pressure gauge and a second pressure gauge are respectively arranged at the liquid inlet and the liquid outlet, and the pressure difference between the liquid inlet and the liquid outlet is used for measuring the adsorption degree of the adsorption packing (20) on the solid medium in the liquid.
3. The apparatus according to claim 1, characterized in that the purge line (3) is a nitrogen/steam purge line for back purging the liquid outlet line and the adsorption cartridge (2) after draining.
4. The device according to claim 1, characterized in that a cleaning line is connected to the liquid outlet pipeline for reversely cleaning the liquid outlet pipeline and the adsorption cylinder (2) after liquid discharge.
5. The device according to claim 1, characterized in that four sewage outlets are provided on the charging barrel (1), including:
the first drain outlet is arranged at the top of the charging barrel (1);
a second sewage draining exit, a third sewage draining exit and a fourth sewage draining exit which are arranged on the side surface of the charging barrel (1).
6. The device as claimed in claim 5, wherein the first sewage draining port, the second sewage draining port, the third sewage draining port and the fourth sewage draining port are respectively connected with a branch pipe, each branch pipe is converged into a main sewage draining pipe, and the tail end of the main sewage draining pipe is connected with a sewage draining tank (4).
7. The device as claimed in claim 6, wherein each of the branch pipes is provided with a blowoff valve for controlling the opening and closing of the branch pipe.
8. The device according to claim 1, characterized in that the liquid outlet pipe is further connected with a back pump (5), and the filtered liquid enters the production line through the back pump (5).
9. The device according to claim 1, characterized in that a cross-line pipeline is arranged between the liquid inlet of the material inlet cylinder (1) and the liquid outlet of the adsorption cylinder (2), and a cross-line valve is arranged on the cross-line pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783426.XU CN213609922U (en) | 2020-05-12 | 2020-05-12 | Device for filtering solid medium in liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020783426.XU CN213609922U (en) | 2020-05-12 | 2020-05-12 | Device for filtering solid medium in liquid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213609922U true CN213609922U (en) | 2021-07-06 |
Family
ID=76620726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020783426.XU Active CN213609922U (en) | 2020-05-12 | 2020-05-12 | Device for filtering solid medium in liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213609922U (en) |
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2020
- 2020-05-12 CN CN202020783426.XU patent/CN213609922U/en active Active
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