CN209911189U - Multipurpose filtering performance comprehensive test device - Google Patents
Multipurpose filtering performance comprehensive test device Download PDFInfo
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- CN209911189U CN209911189U CN201821942525.7U CN201821942525U CN209911189U CN 209911189 U CN209911189 U CN 209911189U CN 201821942525 U CN201821942525 U CN 201821942525U CN 209911189 U CN209911189 U CN 209911189U
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Abstract
The utility model discloses a multipurpose filtering capability combined test device, wherein, include: the filter core to be tested is arranged in the test platform, and the test platform comprises an inner cavity in the range of the filter core to be tested and an outer cavity outside the range of the filter core to be tested; a pressure testing device is arranged on the testing platform; the test platform charging device is communicated with the outer cavity; the circulating filter device is communicated with the inner cavity and the outer cavity; the back washing device is communicated with the inner cavity. The utility model discloses can evaluate the test to installing the filter core (filter bag) that awaits measuring in test platform, can really restore the atress condition of filter bag, filter it-the backwash performance carries out accurate aassessment to can adjust the test to filtration time (3 ~ 30 minutes) pressure differential (10 ~ 70KPa), backwash pressure (0.1 ~ 0.2MPa), backwash time (2 ~ 10 seconds) etc..
Description
Technical Field
The utility model relates to a filtration performance experimental apparatus and method especially relate to a multipurpose filtration performance combined test device that is used for various filter core filter bags of chemical industry class.
Background
In the fields of petroleum, chemical industry, coal chemical industry, fine chemical industry and the like, various nonstandard filter element filter bags are applied, and are manufactured according to respective standards without testing means and standards. Particularly, in the production of 1, 4-Butanediol (BDO), the filter bag adopted in the BYD reactor is subjected to filtration and back flushing for 17000-26000 times in each service cycle due to the special size and special material and severe working condition. Therefore, the quality of the filter bag greatly affects the use performance.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a multipurpose filtering performance combined test device for solve and lack the problem that a device and method that can effectively detect the filter bag among the prior art.
The above object of the present invention is achieved by the following technical solutions:
a multipurpose filtration performance comprehensive test device, wherein includes: the filter core to be tested is arranged in the test platform, and the test platform comprises an inner cavity in the range of the filter core to be tested and an outer cavity outside the range of the filter core to be tested; a pressure testing device is arranged on the testing platform; the test platform charging device is communicated with the outer cavity; the circulating filter device is communicated with the inner cavity and the outer cavity; the back washing device is communicated with the inner cavity.
The multipurpose filtration performance comprehensive test device as described above, wherein the test platform comprises: the filter element to be tested is arranged in the outer cylinder body, and a mixing and stirring device is arranged at the bottom of the outer cylinder body; the top cover is installed at an opening in the upper part of the outer barrel, and the filling device penetrates through the top cover to be communicated with the inner cavity.
The multipurpose filtering performance comprehensive test device is characterized in that the lower part of the outer cylinder is hermetically arranged on a platform, and an inlet of the circulating filter device penetrates through the lower surface of the platform to be communicated with the inner cavity; the outlet of the circulating filter device passes through the lower part of the outer cylinder body and is communicated with the outer cavity.
The multipurpose filtration performance comprehensive test device as described above, wherein the charging device comprises: the screw pump is communicated with the batching tank, and the outlet of the screw pump penetrates through the top cover to be communicated with the outer cavity.
The multipurpose filtration performance combination test device as described above, wherein the circulation filtration device comprises: a clear liquid control valve is connected between the inlet of the circulating pump and the inner cavity, and a circulating control valve is connected between the outlet of the circulating pump and the outer cavity.
The multipurpose filter performance comprehensive test device as described above, wherein the backwashing device includes: and the liquid outlet of the backwashing tank is communicated with the inner cavity body through a backwashing control valve.
The multipurpose filtration performance comprehensive test device further comprises a backwash liquid filling device, and the backwash liquid filling device is communicated with the circulating filtration device and the backwash device.
The multipurpose filtration performance combination test apparatus as described above, wherein the backwash liquid filling apparatus comprises: and the inlet of the single-bag filter is connected to the circulating filter device, and the outlet of the single-bag filter is connected to the backwashing tank through a water supplementing control valve.
In conclusion, because the technical scheme is adopted, the utility model discloses can evaluate the test to installing the filter core (filter bag) that awaits measuring in test platform, can really restore the atress condition of filter bag, filter-backwash performance carries out accurate aassessment to it to can adjust the test to filtration time (3 ~ 30 minutes) pressure differential (10 ~ 70KPa), backwash pressure (0.1 ~ 0.2MPa), backwash time (2 ~ 10 seconds) etc..
Drawings
Fig. 1 is a schematic structural diagram of the multipurpose filtering performance comprehensive test device of the present invention.
Detailed Description
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural diagram of the multipurpose filtering performance comprehensive testing device of the present invention, please refer to fig. 1, a multipurpose filtering performance comprehensive testing device, wherein, includes: the filter element 2 to be tested is arranged in the test platform, and the test platform comprises an inner cavity within the range of the filter element 2 to be tested and an outer cavity outside the range of the filter element 2 to be tested; a pressure testing device is arranged on the testing platform; the test platform charging device is communicated with the outer cavity; the material filling device is used for driving materials for the test into the test platform; the circulating filter device is communicated with the inner cavity and the outer cavity; the back washing device is communicated with the inner cavity.
Further, a liquid level meter 14 can be installed on the test platform, so that the liquid level condition of the inner cavity can be obtained. The pressure testing device can test the pressure of the inner cavity and the outer cavity and can obtain the pressure difference between the inner cavity and the outer cavity.
Further, the test platform comprises: the filter element 2 to be tested is arranged in the outer cylinder 18, and the bottom of the outer cylinder 18 is provided with a mixing and stirring device 19; the upper opening of the outer cylinder 18 is provided with a top cover 20, and the charging device passes through the top cover 20 and is communicated with the inner cavity. And the mixing and stirring device 19 is used for mixing the materials and preventing the materials from precipitating.
Furthermore, the top cover 20 may further be provided with an air pressure adjusting opening and a self-operated adjusting opening, the air pressure adjusting opening is provided with an air pressure adjusting valve 13, and the self-operated adjusting opening is provided with a self-operated adjusting valve 15. The regulation of the pressure inside the test platform can be performed. The top cover 20 can also be provided with a vent, and the vent is provided with a manual vent valve 16.
Further, the lower part of the outer cylinder 18 is hermetically arranged on the platform 3, and an inlet of the circulating filter device penetrates through the lower surface of the platform 3 to be communicated with the inner cavity; the outlet of the circulation filter device communicates with the outer chamber through the lower portion of the outer cylinder 18.
Further, the charging device includes: the screw pump 6 is communicated with the proportioning tank 19, and the outlet of the screw pump 6 passes through the top cover 20 to be communicated with the outer cavity. The test materials are mixed in proportion by the batching tank and then are pumped into the outer barrel 18 from the top cover 20 at the upper part by the screw pump 6.
Further, the circulation filter device includes: a clear liquid control valve 10 is connected between the inlet of the circulating pump 7 and the inner cavity, and a circulating control valve 12 is connected between the outlet of the circulating pump 7 and the outer cavity. And the circulating filter device performs normal filtration when working. The circulating pump 7 is opened, the clear liquid control valve 10 is opened, the circulating control valve 12 is opened, the circulating pump 7 pumps clean liquid into the inside of the outer cylinder 18 (the outside of the test filter element) through a circulating pipeline, the clean liquid is mixed by the stirring device in the outer cylinder 18, then the clean liquid enters the inside of the filter element through the filter bag, and the clean liquid is filtered from outside to inside. The filtered clean liquid passes through the internal channel of the filter element, is discharged from the outlet at the bottom of the platform and then enters the circulating pump 7 for circulation.
Further, the circulation filter device may further include a flow meter 17, and the flow meter 17 obtains a flow rate of the liquid in the circulation filter device. An intermediate water tank 5 is installed between the clear liquid control valve 10 and the circulating pump 7.
The utility model discloses an among the concrete implementation process, pressure test device, test platform charging device, circulating filtration device, back flush unit all can be connected with a PLC control system, carry out unified control through PLC.
Further, the back washing device comprises: the liquid outlet of the backwashing tank 1 is communicated with the inner cavity through a backwashing control valve 9. The filter element 2 to be tested can be backwashed by the backwashing device. When the pressure difference between the inside and the outside of the filter bag reaches a set value or the filtering time reaches a set value, the PLC control system sends a signal, the clear liquid control valve 10 is closed, the backwashing control valve 9 is opened, the backwashing liquid in the backwashing tank 1 enters the filter element from the central pipe within the set time under the action of air pressure, and the filter bag is backwashed from inside to outside.
Furthermore, the device also comprises a backwash liquid filling device which is communicated with the circulating filter device and the backwash device.
Further, the backwash liquid filling apparatus includes: and the inlet of the single-bag filter 8 is connected to the circulating filter device, and the outlet of the single-bag filter 8 is connected to the backwashing tank 1 through a water replenishing control valve 11.
Furthermore, the backwashing tank 1 is provided with an emptying port, an air supplementing port and a gas regulating port, wherein the emptying port is provided with an emptying valve 23, the air supplementing port is provided with an air supplementing control valve 21, and the air supplementing control valve 21 is connected between the air supplementing port and a gas source; the gas regulating port is provided with a gas regulating valve 22. A backwash liquid level meter 14 is also installed in the backwash tank 1.
Specifically, after the back washing is finished, the clear liquid control valve 10 is opened, the back washing control valve 9 is closed, and the system enters a back washing liquid filling process. Firstly, opening an emptying valve, releasing pressure of gas in the backwashing tank, opening a water supplementing control valve 11, and supplementing backwashing liquid to the backwashing tank through the water supplementing control valve 11 after the liquid discharged from a circulating pump 7 passes through a filter. And after the liquid filling reaches the designed volume, sending a signal by a liquid level meter 14 at the top of the backwashing tank, closing the water supplementing control valve 11 and stopping filling the liquid. The air release valve is closed, the air supply control valve is opened, and the compressed air supplies air to the backwashing tank 1. When the set gas pressure is reached, the pressure transmitter sends a signal, the air supply control valve is closed, and the compressed air stops inflating. At this time, the system enters a filtering process again. Thus, one work cycle is completed.
Further, this application can also be directed against metal filter element and test, that is to say, filter element 2 that awaits measuring is metal filter element. Specifically, the metal filter element is fixedly installed on the test platform through the stud bolts, and a gasket is arranged between the metal filter element flange and the platform for sealing. A plurality of sections of outer cylinder bodies 18 (1-4) are arranged on the platform so as to be suitable for metal filter elements with different lengths. The top of the outer cylinder 18 is provided with a top cover.
Furthermore, in the testing process of the metal filter element, the following two differences exist in the non-metal filter element 2 to be tested: 1. in the normal filtering process, the purified liquid enters the filter element through the filter bag and is filtered from outside to inside; 2. one of the judgment criteria of the back washing is the value of the internal and external pressure difference of the filter layer of the filter element.
Specifically, the utility model discloses an in the testing process, the utility model discloses a concrete test parameter can be for:
testing the specification of the filter element/filter bag: phi (100-350) X250-6000 (L);
and (3) testing varieties: the filter comprises a non-metal filter bag, a metal filter element, a metal folding filter element, a non-metal filter element, a ceramic filter element and a non-standard filter element;
test medium: water, air and various non-toxic liquids;
and (3) testing pressure: 0 to 0.15 MPa;
testing the pressure difference: 0.001-0.008 MPa;
recoil pressure: 0.1-0.25 MPa;
the back flushing time is as follows: 2-10 sec;
back flushing liquid amount: 10-200L;
continuous filtration time: 3-30 min.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (8)
1. A multipurpose filtering performance comprehensive test device is characterized by comprising: the filter core to be tested is arranged in the test platform, and the test platform comprises an inner cavity in the range of the filter core to be tested and an outer cavity outside the range of the filter core to be tested; a pressure testing device is arranged on the testing platform; the test platform charging device is communicated with the outer cavity; the circulating filter device is communicated with the inner cavity and the outer cavity; the back washing device is communicated with the inner cavity.
2. The multipurpose filtration performance combination test apparatus of claim 1, wherein the test platform comprises: the filter element to be tested is arranged in the outer cylinder body, and a mixing and stirring device is arranged at the bottom of the outer cylinder body; the top cover is installed at an opening in the upper part of the outer barrel, and the filling device penetrates through the top cover to be communicated with the inner cavity.
3. The multipurpose filtering performance comprehensive test device according to claim 2, wherein the lower part of the outer cylinder is hermetically mounted on a platform, and an inlet of the circulating filtering device passes through the lower surface of the platform and is communicated with the inner cavity; the outlet of the circulating filter device passes through the lower part of the outer cylinder body and is communicated with the outer cavity.
4. The multipurpose filtration performance combination test apparatus of claim 2, wherein the charging device comprises: the screw pump is communicated with the batching tank, and the outlet of the screw pump penetrates through the top cover to be communicated with the outer cavity.
5. The multipurpose filtration performance combination test apparatus of claim 1, wherein the recirculation filter apparatus comprises: a clear liquid control valve is connected between the inlet of the circulating pump and the inner cavity, and a circulating control valve is connected between the outlet of the circulating pump and the outer cavity.
6. The multipurpose filtration performance combination test apparatus of claim 1, wherein the backwash assembly comprises: and the liquid outlet of the backwashing tank is communicated with the inner cavity body through a backwashing control valve.
7. The multipurpose filtration performance combination test apparatus of claim 6, further comprising a backwash liquid filling apparatus, wherein the backwash liquid filling apparatus is communicated with the circulating filtration apparatus and the backwash apparatus.
8. The multipurpose filtration performance combination test apparatus of claim 7, wherein the backwash liquid filling apparatus comprises: and the inlet of the single-bag filter is connected to the circulating filter device, and the outlet of the single-bag filter is connected to the backwashing tank through a water supplementing control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821942525.7U CN209911189U (en) | 2018-11-23 | 2018-11-23 | Multipurpose filtering performance comprehensive test device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821942525.7U CN209911189U (en) | 2018-11-23 | 2018-11-23 | Multipurpose filtering performance comprehensive test device |
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| CN209911189U true CN209911189U (en) | 2020-01-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520906A (en) * | 2018-11-23 | 2019-03-26 | 川易机电设备启东有限公司 | Multipurpose strainability integrated experiment device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109520906A (en) * | 2018-11-23 | 2019-03-26 | 川易机电设备启东有限公司 | Multipurpose strainability integrated experiment device and test method |
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