CN217645947U - Filter device for liquid medium in catalyst production synthesis kettle - Google Patents

Filter device for liquid medium in catalyst production synthesis kettle Download PDF

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Publication number
CN217645947U
CN217645947U CN202121145478.5U CN202121145478U CN217645947U CN 217645947 U CN217645947 U CN 217645947U CN 202121145478 U CN202121145478 U CN 202121145478U CN 217645947 U CN217645947 U CN 217645947U
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filter
pipe
cleaning
valve
stage
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CN202121145478.5U
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张波
蒋召财
辜宇
胡光辉
刘豪
郭焰威
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Sichuan Jincheng Chemical Catalyst Co ltd
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Sichuan Jincheng Chemical Catalyst Co ltd
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Abstract

The utility model provides a liquid medium's filter equipment in catalyst production synthetic cauldron, the purpose is solved because of there being catalyst farine in the liquid medium to lead to overhauing, a set of filter effect is not good, need to change the filter screen and change the filter screen when acid mist causes the technical problem of influence. Comprises a first-stage filter; a secondary filter; the two ends of the medium input pipe are respectively connected to the input end of the primary filter and the liquid medium main pipe; the two ends of the middle pipeline are respectively connected to the output end of the primary filter and the input end of the secondary filter; two ends of the second-stage output pipe are respectively connected to the output end of the second-stage filter and the storage tank pipeline of the liquid medium; wherein, the first-stage filter and the second-stage filter are both provided with a cleaning inlet and a cleaning outlet; the medium input pipe, the intermediate pipeline, the secondary output pipe, the cleaning inlet pipe and the cleaning outlet pipe are respectively provided with a valve. Has the advantages of multiple filtration and no acid mist.

Description

Filter device for liquid medium in catalyst production synthesis kettle
Technical Field
The utility model relates to a filtration system of liquid medium, specificly relate to a filter equipment of liquid medium in catalyst production synthetic cauldron.
Background
In the preparation process of the polyolefin catalyst, the catalyst prepared in the synthesis kettle is a solid substance and is mixed in a raw material solvent, and the liquid and the solid need to be thoroughly separated to obtain the solid product catalyst. And (3) performing suction filtration in a synthesis kettle by using a filter tube, wherein catalyst fine powder with different particle sizes is sucked and filtered together in the process of sucking and filtering the liquid medium, and the catalyst fine powder flows to a later working section along the liquid medium. Because the fine powder is carried, the blockage of each heat exchanger, each tower, each pipeline and each pump is caused in the solvent recovery section, finally, the shutdown maintenance is caused, and the maintenance is frequent. A large amount of high-purity nitrogen needs to be consumed for replacement in the maintenance process, so that economic consumption is caused.
A group of filters is additionally arranged according to the prior art to filter larger particle catalysts, but the problem cannot be well solved. Meanwhile, the production process is frequently replaced, the filter screen is cleaned, when the cover is opened, the liquid medium solution is contacted with the air to generate a large amount of smoke, acid mist is formed, surrounding equipment is corroded, occupational health hazards are caused to staff, and meanwhile, the environment is polluted, and adverse effects are caused.
Disclosure of Invention
To the above-mentioned technical problem who causes the influence because of there being catalyst fine powder in the liquid medium to lead to overhauing, a set of filter effect is not good, need to change the filter screen and change the filter screen acid mist, the utility model provides a liquid medium's filter equipment in synthetic cauldron of catalyst production has multiple filtration and can not cause the advantage of acid mist.
The technical scheme of the utility model is that:
a filter apparatus for liquid media in a catalyst production synthesis kettle, comprising:
a primary filter;
a secondary filter;
the two ends of the medium input pipe are respectively connected to the input end of the primary filter and the liquid medium main pipe;
the two ends of the middle pipeline are respectively connected to the output end of the primary filter and the input end of the secondary filter;
the two ends of the second-stage output pipe are respectively connected to the output end of the second-stage filter and a storage tank pipeline of the liquid medium;
the cleaning device comprises a primary filter, a secondary filter, a cleaning liquid header pipe, a cleaning liquid recovery tank and a cleaning liquid inlet pipe, wherein the primary filter and the secondary filter are both provided with a cleaning inlet and a cleaning outlet, the cleaning inlet is connected to an outlet of the cleaning liquid header pipe through the cleaning inlet pipe, and the cleaning outlet is connected to an inlet of the cleaning liquid recovery tank through the cleaning outlet pipe;
and the medium input pipe, the intermediate pipeline, the secondary output pipe, the cleaning inlet pipe and the cleaning outlet pipe are respectively provided with a valve.
Furthermore, the filtering precision of the secondary filter is greater than that of the primary filter.
Further, the method also comprises the following steps:
the two ends of the first-stage output pipe are respectively connected to the output end of the first-stage filter and the storage tank pipeline of the liquid medium;
the two ends of the filtering branch pipe are respectively connected to the input end of the secondary filter and the liquid medium main pipe;
wherein, a valve is arranged on the first-stage output pipe and the filtering branch pipe.
Furthermore, the cleaning inlet pipe comprises a primary cleaning inlet pipe and a secondary cleaning inlet pipe, and the cleaning outlet pipe comprises a primary cleaning outlet pipe and a secondary cleaning outlet pipe; the first-stage cleaning inlet pipe and the first-stage cleaning outlet pipe are arranged on the first-stage filter, and the second-stage cleaning inlet pipe and the second-stage cleaning outlet pipe are arranged on the human-stage filter.
Furthermore, a first valve is arranged on the medium input pipe, a second valve is arranged on the first-stage output pipe, a third valve is arranged on the middle pipeline, a fourth valve is arranged on the filtering branch pipe, a fifth valve is arranged on the second-stage output pipe, a sixth valve is arranged on the first-stage cleaning inlet pipe, a seventh valve is arranged on the second-stage cleaning inlet pipe, an eighth valve is arranged on the first-stage cleaning outlet pipe, and a ninth valve is arranged on the second-stage cleaning outlet pipe.
Furthermore, a first pressure gauge is arranged on the primary filter, and a second pressure gauge is arranged on the secondary filter.
Furthermore, the first pressure gauge is arranged on the medium input pipe, the first pressure gauge is positioned between the first valve and the primary filter, the second pressure gauge is arranged on the middle pipeline, and the second pressure gauge is positioned between the third valve and the secondary filter.
Furthermore, filter screens capable of adjusting the filtering precision are respectively arranged in the primary filter and the secondary filter.
Compared with the prior art, the beneficial effects of the utility model are that:
the device is provided with the primary filter and the secondary filter, and fine catalyst powder in the liquid medium can be filtered through the multiple filters, so that the problems of shutdown maintenance caused by the catalyst powder in the liquid medium and poor filter effect of a group of filters and the need of shutdown filter screen replacement are solved.
The cleaning inlet pipe and the cleaning outlet pipe are arranged, so that the filter screen in the primary filter and the filter screen in the secondary filter are cleaned, and the problem of influence on peripheral equipment and workers caused by acid mist during filter screen replacement is avoided.
The middle pipeline is arranged, the primary filter and the secondary filter are connected in series in the pipeline, the filtering branch pipe is arranged, the primary filter and the secondary filter are connected in parallel in the pipeline, when the filter screen of one of the filters needs to be cleaned, the work of the single filter can be realized through various valves, and the problem of shutdown caused by cleaning the filter screen is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a filtering device for a liquid medium in a catalyst production synthesis kettle according to the present invention.
Reference numerals:
1. a fourth valve; 2. a liquid medium main conduit; 3. a first valve; 4. a first stage filter; 5. an intermediate pipe; 6. a second valve; 7. an eighth valve; 8. a first-stage cleaning outlet pipe; 9. a fifth valve; 10. a first-stage output pipe; 11. a secondary cleaning outlet pipe; 12. a ninth valve; 13. a secondary filter; 14. a seventh valve; 15. a third valve; 16. a sixth valve; 17. a cleaning liquid header pipe.
Detailed Description
In the following, only certain exemplary embodiments are briefly described. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.
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 invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being permanently connected, detachably connected, or integral; the connection can be mechanical connection, electrical connection or communication; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b):
as shown in figure 1, the embodiment of the utility model provides a liquid medium's filter equipment in synthetic cauldron of catalyst production, including one-level filter 4 and secondary filter 13, wherein, the input of one-level filter 4 and the one end intercommunication of medium input pipe, the other end and the liquid medium house steward 2 intercommunication of medium input pipe. The output end of the primary filter 4 is connected to one end of a primary output pipe 10, and the other end of the primary output pipe 10 is communicated with a storage tank of liquid medium. The liquid medium may be filtered by providing a primary filter 4 between the liquid medium main 2 and the reservoir of liquid medium.
On the other hand, the input end of the secondary filter 13 is connected to one end of the intermediate pipe 5, the other end of the intermediate pipe 5 is connected to the output end of the primary filter 4, and meanwhile, the input end of the secondary filter 13 is connected to the liquid medium main pipe 2 through a filtering branch pipe. The output end of the secondary filter 13 is connected to one end of a secondary output pipe, and the other end of the secondary output pipe is communicated with a storage tank of liquid medium. The input end of the secondary filter 13 and the output end of the primary filter 4 are connected by the intermediate pipeline 5, so that the primary filter 4 and the secondary filter 13 are connected in series, and a filtering branch pipe is arranged, so that the primary filter 4 and the secondary filter 13 are connected in parallel in a pipeline.
One-level filter 4 is equipped with the connection and washs the entry at the one-level that the one-level was washd income pipe one end, it washs the entry to be equipped with the second grade of connection on the second grade is washd income pipe one end on secondary filter 13 to wash the entry, the other end that the one-level was washd the income pipe and the other end that the second grade was washd the income pipe all is connected on washing liquid house steward 17, be equipped with on one-level filter 4 and connect the export is washd to the one-level that the exit tube 8 was served in the second grade, the other end that the exit tube 8 was washd to the one-level and the other end that the exit tube 11 was washd to the second grade are all connected on the washing liquid recovery tank, it washs the income pipe and washs the exit tube to set up, realize the washing to filter screen in one-level filter 4 and secondary filter 13, acid mist causes the influence problem to peripheral and workman when avoiding changing the filter screen.
The medium inlet pipe is provided with a first valve 3, the primary outlet pipe 10 is provided with a second valve 6, the intermediate pipeline 5 is provided with a third valve 15, the filter branch pipe is provided with a fourth valve 1, the secondary outlet pipe is provided with a fifth valve 9, the primary cleaning inlet pipe is provided with a sixth valve 16, the secondary cleaning inlet pipe is provided with a seventh valve 14, the primary cleaning outlet pipe 8 is provided with an eighth valve 7, and the secondary cleaning outlet pipe 11 is provided with a ninth valve 12.
Under the normal operating condition, fourth valve 1, second valve 6, sixth valve 16, seventh valve 14, eighth valve 7 and ninth valve 12 are all in the closed condition, first valve 3, third valve 15 and fifth valve 9 are all in the open condition for one-level filter 4 and second grade filter 13 are in the tandem state, liquid medium passes through the filtration of two-stage from liquid medium house steward 2 to the storage tank of liquid medium, can carry out meticulous filtration with the catalyst fine powder in the liquid medium, avoid because of having the catalyst fine powder in the liquid medium to lead to the fact the shutdown maintenance and a set of filter effect not good and need the problem of shutdown change filter screen.
When the primary filter 4 needs to be cleaned, the first valve 3 and the third valve 15 are closed, the fourth valve 1 is opened, so that the liquid medium enters the storage tank of the liquid medium after only flowing through the secondary filter 13, and meanwhile, the sixth valve 16 and the eighth valve 7 are opened, so that the primary filter 4 is connected between the cleaning liquid header pipe 17 and the cleaning liquid recovery tank for cleaning. Similarly, when the secondary filter 13 needs to be cleaned, the third valve 15 and the fifth valve 9 are closed, the second valve 6 is opened, so that the liquid medium enters the storage tank of the liquid medium after only passing through the primary filter 4, and the seventh valve 14 and the ninth valve 12 are opened, so that the secondary filter 13 is connected between the cleaning solution header pipe 17 and the cleaning solution recovery tank for cleaning. Through this technical scheme, can realize the work of single filter through various valves, avoid causing the problem of shutting down because of wasing the filter screen.
In another embodiment:
the filter core in primary filter 4 and secondary filter 13 all can be changed, can adjust the filter fineness of filter core as required simultaneously, be equipped with first manometer on the primary filter 4, be equipped with the second manometer on the secondary filter 13, the inside service pressure of control and filter and secondary filter 13 in use to judge the filtration condition, when the pressure value is too big, show that the filter core in primary filter 4 or secondary filter 13 needs to be changed.
In another embodiment:
the filtering precision of the primary filter 4 is less than that of the secondary filter 13, and the filtering precision of the secondary filter 13 is more than or equal to three times that of the primary filter 4.
In another embodiment:
a polyolefin catalyst preparation system including a filtration device for liquid medium in a catalyst production synthesis kettle. The multi-filter is arranged, so that fine catalyst powder in the liquid medium can be finely filtered, and the problems of production stoppage and maintenance caused by the fine catalyst powder in the liquid medium and the problems that a group of filters have poor effects and need to be stopped to replace filter screens are solved. When the filter screens in the primary filter 4 and the secondary filter 13 are cleaned, the problem of influence on peripheral equipment and workers caused by acid mist during filter screen replacement is avoided. When the filter screen of one of the filters needs to be cleaned, the work of a single filter can be realized through various valves, and the problem of shutdown caused by cleaning the filter screen is avoided.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims (8)

1. A filter device for liquid medium in a catalyst production synthesis kettle is characterized by comprising:
a first stage filter;
a secondary filter;
the two ends of the medium input pipe are respectively connected to the input end of the primary filter and the liquid medium main pipe;
the two ends of the middle pipeline are respectively connected to the output end of the primary filter and the input end of the secondary filter;
the two ends of the second-stage output pipe are respectively connected to the output end of the second-stage filter and the storage tank pipeline of the liquid medium;
the primary filter and the secondary filter are respectively provided with a cleaning inlet and a cleaning outlet, the cleaning inlets are connected to an outlet of the cleaning liquid main pipe through cleaning inlet pipes, and the cleaning outlets are connected to an inlet of the cleaning liquid recovery tank through cleaning outlet pipes;
and the medium input pipe, the intermediate pipeline, the secondary output pipe, the cleaning inlet pipe and the cleaning outlet pipe are respectively provided with a valve.
2. The apparatus of claim 1, wherein the secondary filter has a filtration accuracy greater than the primary filter.
3. The apparatus of claim 2, further comprising:
the two ends of the first-stage output pipe are respectively connected to the output end of the first-stage filter and the storage tank pipeline of the liquid medium;
the two ends of the filtering branch pipe are respectively connected to the input end of the secondary filter and the liquid medium main pipe;
wherein, a valve is arranged on the first-stage output pipe and the filtering branch pipe.
4. The apparatus as claimed in claim 3, wherein the cleaning inlet pipe comprises a primary cleaning inlet pipe and a secondary cleaning inlet pipe, and the cleaning outlet pipe comprises a primary cleaning outlet pipe and a secondary cleaning outlet pipe; the first-stage cleaning inlet pipe and the first-stage cleaning outlet pipe are arranged on the first-stage filter, and the second-stage cleaning inlet pipe and the second-stage cleaning outlet pipe are arranged on the human-stage filter.
5. The apparatus as claimed in claim 4, wherein the medium inlet pipe is provided with a first valve, the first outlet pipe is provided with a second valve, the intermediate pipe is provided with a third valve, the filter branch pipe is provided with a fourth valve, the second outlet pipe is provided with a fifth valve, the first cleaning inlet pipe is provided with a sixth valve, the second cleaning inlet pipe is provided with a seventh valve, the first cleaning outlet pipe is provided with an eighth valve, and the second cleaning outlet pipe is provided with a ninth valve.
6. The apparatus as claimed in claim 5, wherein a first pressure gauge is disposed on the primary filter, and a second pressure gauge is disposed on the secondary filter.
7. The apparatus of claim 6, wherein the first pressure gauge is disposed on the media input line, the first pressure gauge is disposed between the first valve and the primary filter, the second pressure gauge is disposed on the intermediate line, and the second pressure gauge is disposed between the third valve and the secondary filter.
8. The apparatus of claim 7, wherein the primary filter and the secondary filter are respectively provided with a filter screen capable of adjusting the filtration precision.
CN202121145478.5U 2021-05-26 2021-05-26 Filter device for liquid medium in catalyst production synthesis kettle Active CN217645947U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202121145478.5U CN217645947U (en) 2021-05-26 2021-05-26 Filter device for liquid medium in catalyst production synthesis kettle

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Application Number Priority Date Filing Date Title
CN202121145478.5U CN217645947U (en) 2021-05-26 2021-05-26 Filter device for liquid medium in catalyst production synthesis kettle

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Publication Number Publication Date
CN217645947U true CN217645947U (en) 2022-10-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116371054A (en) * 2023-05-29 2023-07-04 连云港瑞良环保科技有限公司 Cleaning-free water filter with multistage filtering mechanism and use method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116371054A (en) * 2023-05-29 2023-07-04 连云港瑞良环保科技有限公司 Cleaning-free water filter with multistage filtering mechanism and use method thereof
CN116371054B (en) * 2023-05-29 2023-08-29 连云港瑞良环保科技有限公司 Cleaning-free water filter with multistage filtering mechanism and use method thereof

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