CN210331881U - Metal sintering filter belt cleaning device for carbonic ester - Google Patents
Metal sintering filter belt cleaning device for carbonic ester Download PDFInfo
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- CN210331881U CN210331881U CN201920688419.9U CN201920688419U CN210331881U CN 210331881 U CN210331881 U CN 210331881U CN 201920688419 U CN201920688419 U CN 201920688419U CN 210331881 U CN210331881 U CN 210331881U
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- valve
- pipeline
- metal sintering
- filter
- sintering filter
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 136
- 239000002184 metal Substances 0.000 title claims abstract description 136
- 238000005245 sintering Methods 0.000 title claims abstract description 104
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- 150000002148 esters Chemical class 0.000 title claims abstract description 9
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 30
- 239000007788 liquid Substances 0.000 claims description 46
- 229910001873 dinitrogen Inorganic materials 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 17
- 238000011084 recovery Methods 0.000 claims description 5
- 150000004649 carbonic acid derivatives Chemical class 0.000 claims 4
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000002699 waste material Substances 0.000 abstract description 9
- 239000003054 catalyst Substances 0.000 abstract description 7
- 238000013020 steam cleaning Methods 0.000 abstract description 6
- 239000002351 wastewater Substances 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 6
- 239000011344 liquid material Substances 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 10
- 238000001914 filtration Methods 0.000 description 6
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 description 4
- 238000004064 recycling Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010926 purge Methods 0.000 description 3
- 239000011550 stock solution Substances 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000000066 reactive distillation Methods 0.000 description 2
- 238000010408 sweeping Methods 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- 238000012824 chemical production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
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Abstract
The utility model relates to a metal sintering filter belt cleaning device for carbonic ester. The technical scheme is as follows: the output ends of the first metal sintering filter and the second metal sintering filter are divided into two pipelines, an upper pipeline valve is connected to the upper pipeline, a lower pipeline valve is connected to the lower pipeline, the output end pipelines of the first metal sintering filter and the second metal sintering filter are respectively connected with one end of a nitrogen inlet valve, and the other end of the nitrogen inlet valve is connected with the nitrogen inlet pipeline. The beneficial effects are that: the upper part of the metal sintering filter is firstly swept, then the lower part of the metal sintering filter is swept, the nitrogen heater is additionally arranged, the nitrogen temperature is increased, residual liquid materials in the catalyst are swept completely, hot water cleaning is replaced by steam cleaning, the labor intensity is reduced, the product yield is improved, the production amount of waste water and waste residues is reduced, and the environment is protected.
Description
Technical Field
The utility model relates to a chemical production equipment cleaning device, in particular to metal sintering filter belt cleaning device for carbonic ester.
Background
In the production process of the carbonate process, a sodium catalyst is used in the reactive distillation stage, in the subsequent rectification distillation section, in order to ensure the product quality, the catalyst after the reactive distillation is completely removed, most production processes adopt a metal sintering filter to intercept catalyst residues, a plurality of filters are alternately used, the filter is switched to a standby filter after the filtration load is reached, the catalyst residues of the filter are cut out and cleaned by circulating water, and liquid materials remain in the residues, so that the material waste is caused, and the environment is influenced.
The Chinese patent document with the publication number of CN205867761U has the patent name of self-cleaning type metal sintering filter device for carbonate, and comprises a metal sintering filter and a valve, wherein a carbonate stock solution pipeline is connected with one end of a first valve and one end of a fifth valve, the other end of the first valve is connected with one end of a sixth valve and the input end of the first metal sintering filter, the other end of the fifth valve is connected with one end of a fourth valve and the input end of a second metal sintering filter, and the other end of the fourth valve and the other end of the sixth valve are both connected with a filter residue containing solution output pipeline; the output end of the first metal sintering filter is connected with the clear liquid output pipeline through a second valve, and the output end of the second metal sintering filter is connected with the clear liquid output pipeline through a third valve. The utility model relates to a rationally, simple structure, preparation are easy, the practicality is strong. The problem of metal sintering filter clearance filter residue difficulty is solved, manual operation working strength has been reduced, when clearing up the filter, need not to open metal sintering filter big lid, does not produce the peculiar smell, environmental protection and energy saving. The method has the disadvantages that the metal sintering filter is cleaned by hot water, so that the production amount of waste water and waste residue is increased, the material waste is caused, and the environment is influenced to a certain extent.
Disclosure of Invention
The utility model aims at providing a metal sintering filter belt cleaning device for carbonic ester to the above-mentioned defect that prior art exists, adopt nitrogen gas to sweep and steam cleaning, metal sintering filter circulation alternate use has reduced intensity of labour, has reduced the production of waste water, waste residue simultaneously, has protected the environment.
The technical scheme is as follows: the utility model comprises a feeding pipeline, a metal sintering filter, a valve, a material recovery pipeline and a nitrogen gas inlet pipeline, wherein the feeding pipeline is connected with one end of a first valve and one end of a third valve, the other end of the first valve is connected with one end of a fifth valve and the input end of the first metal sintering filter, the other end of the third valve is connected with one end of a sixth valve and the input end of the second metal sintering filter, the other end of the fifth valve and the other end of the sixth valve are both connected with the material recovery pipeline, the output ends of the first metal sintering filter and the second metal sintering filter are divided into two pipelines, an upper pipeline valve is connected on the upper pipeline, a lower pipeline valve is connected on the lower pipeline, the output end pipeline of the first metal sintering filter is connected with a clear liquid output pipeline through the second valve, the output end pipeline of the second metal sintering filter is connected with a clear liquid output pipeline through the fourth valve, and the output end pipelines of the first metal sintering filter and the second metal sintering filter are respectively connected with one end of a nitrogen inlet valve, and the other end of the nitrogen inlet valve is connected with a nitrogen inlet pipeline.
The nitrogen inlet pipeline is additionally provided with a nitrogen heater.
The upper end parts of the first metal sintered filter and the second metal sintered filter are respectively connected with one end of a steam inlet valve, and the other end of the steam inlet valve is connected with a steam inlet pipeline.
And the metal sintered filter element is arranged in the first metal sintered filter and the second metal sintered filter, and steam is injected into the metal sintered filter element from the steam inlet pipeline.
The lower end of the input end of the first metal sintering filter is connected with one end of the first liquid outlet valve through a pipeline, the lower end of the input end of the second metal sintering filter is connected with one end of the second liquid outlet valve through a pipeline, the other end of the first liquid outlet valve and the other end of the second liquid outlet valve are both connected with the input end of the third metal sintering filter, and the output end of the third metal sintering filter is connected with the second clear liquid output pipeline.
The utility model has the advantages that: the upper part of the metal sintering filter is firstly swept, then the lower part of the metal sintering filter is swept, the nitrogen heater is additionally arranged, the nitrogen temperature is increased, residual liquid materials in the catalyst are swept completely, hot water cleaning is replaced by steam cleaning, the labor intensity is reduced, the product yield is improved, the production amount of waste water and waste residues is reduced, and the environment is protected.
Drawings
FIG. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic diagram of a vapor injection configuration of a metal sintered filter cartridge;
fig. 3 is a schematic structural diagram of embodiment 2 of the present invention;
in the figure: the device comprises a feeding pipeline 1, a first valve 2, a first metal sintering filter 3, an upper pipeline valve 4, a lower pipeline valve 5, a second valve 6, a clear liquid output pipeline 7, a third valve 8, a second metal sintering filter 9, a fourth valve 10, a fifth valve 11, a sixth valve 12, a material recovery pipeline 13, a steam inlet valve 14, a steam inlet pipeline 15, a nitrogen inlet valve 16, a nitrogen heater 17, a nitrogen inlet pipeline 18, a third metal sintering filter 19, a first liquid outlet valve 20, a second liquid outlet valve 21, a second clear liquid output pipeline 22 and a metal sintering filter element 23.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
Example 1, as shown in fig. 1, the present invention comprises a feeding pipeline 1, a metal sintering filter, a valve, a material recycling pipeline 13, and a nitrogen gas inlet pipeline 18, wherein the feeding pipeline 1 is connected to one end of a first valve 2 and one end of a third valve 8, the other end of the first valve 2 is connected to one end of a fifth valve 11 and an input end of the first metal sintering filter 3, the other end of the third valve 8 is connected to one end of a sixth valve 12 and an input end of a second metal sintering filter 9, the other end of the fifth valve 11 and the other end of the sixth valve 12 are both connected to the material recycling pipeline 13, the output ends of the first metal sintering filter 3 and the second metal sintering filter 9 are divided into two pipelines, an upper pipeline valve 4 is connected to the upper pipeline, a lower pipeline valve 5 is connected to the lower pipeline, the output pipeline of the first metal sintering filter 3 is connected to a clear liquid output pipeline 7 through the second valve 6, the output end pipeline of the second metal sintering filter 9 is connected with the clear liquid output pipeline 7 through a fourth valve 10, the output end pipelines of the first metal sintering filter 3 and the second metal sintering filter 9 are respectively connected with one end of a nitrogen gas inlet valve 16, and the other end of the nitrogen gas inlet valve 16 is connected with a nitrogen gas inlet pipeline 18.
The nitrogen gas inlet pipeline 18 is additionally provided with a nitrogen heater 17, so that the temperature of nitrogen gas is increased, and residual liquid materials in the catalyst are swept and cleaned.
The upper end parts of the first metal sintered filter 3 and the second metal sintered filter 9 are respectively connected with one end of a steam inlet valve 14, and the other end of the steam inlet valve 14 is connected with a steam inlet pipeline 15.
As shown in fig. 2, a metal sintered filter element 23 is disposed inside the first metal sintered filter 3 and the second metal sintered filter 9, and steam is injected into the metal sintered filter element 23 from the steam inlet pipe 15, so as to replace hot water cleaning, thereby achieving the purpose of reducing the generation of sewage.
In the production process of the carbonic ester process, a first metal sintering filter 3 is used, a first valve 2, a second valve 6 and an upper pipeline valve 4 and a lower pipeline valve 5 at the output end of the first metal sintering filter 3 are in an open state, the other valves are in a closed state, the carbonic ester stock solution enters the first metal sintering filter 3 through the first valve 2 through a feed pipeline 1, clear liquid flowing out through the second valve 6 is filtered through the first metal sintering filter 3, the first metal sintering filter 3 is cut out after being put into use for a period of time so as to control the amount of intercepted residues, the second metal sintering filter 9 is cut in, the first valve 2 and the second valve 6 are closed, a third valve 8, a fourth valve 10 and an upper pipeline valve 4 and a lower pipeline valve 5 at the output end of the second metal sintering filter 9 are opened, the carbonic ester stock solution enters the second metal sintering filter 9 through the feed pipeline 1 and the third valve 8, filtering the clear liquid flowing out through a fourth valve 10 by a second metal sintered filter 9; when the first metal sintering filter 3 is cleaned, a nitrogen inlet valve 16, an upper pipeline valve 4 and a fifth valve 11 at the output end of the first metal sintering filter 3 are opened, a lower pipeline valve 5 at the output end of the first metal sintering filter 3 is closed, a nitrogen inlet pipeline 18 firstly sweeps the upper material for a period of time through a nitrogen heater 17 and the heated nitrogen passes through the upper pipeline valve 4, then the lower pipeline valve 5 is opened to sweep the lower material, the material residues are recycled through a material recycling pipeline 13, the nitrogen sweeping process is closed after the metal sintering filter is swept for a period of time by the heated nitrogen, a steam inlet valve 14 at the upper end of the first metal sintering filter 3 is opened, steam is injected into the filter element, the steam is used for cleaning until the residues are cleaned, the filtering and cleaning processes are completed, and the generation of waste liquid is reduced by the steam cleaning, since the first valve 2 and the second valve 6 are in the closed state, the clear liquid filtered by the second metal sintered filter 9 does not flow into the first metal sintered filter 3 from the second valve 6 and flows out from the first valve 2; when the second metal sintering filter 9 is put into service for a period of time and then is cut into the first metal sintering filter 3 which is cleaned up for use, and when the second metal sintering filter 9 is cleaned up, the nitrogen gas inlet valve 16, the upper pipeline valve 4 and the sixth valve 12 at the output end of the second metal sintering filter 9 are opened, the lower pipeline valve 5 at the output end of the second metal sintering filter 9 is closed, the nitrogen gas inlet pipeline 18 firstly sweeps the upper material for a period of time through the upper pipeline valve 4 by the heated nitrogen gas via the nitrogen gas heater 17, then the lower pipeline valve 5 is opened to sweep the lower material, the material residue is recycled through the material recycling pipeline 13, the nitrogen gas sweeping process is closed after the metal sintering filter is swept for a period of time by the heated nitrogen gas, and the steam inlet valve 14 at the upper end of the second metal sintering filter 9 is opened, steam is injected into the filter element, the filter element is cleaned by the steam until residues are cleaned, the filtering and cleaning processes are completed, and at the moment, the third valve 8 and the fourth valve 10 are in a closed state, so that the clear liquid filtered by the first metal sintering filter 3 cannot flow into the second metal sintering filter 9 from the fourth valve 10 and flow out from the third valve 8, the filters are alternately used, the labor intensity is reduced, the product yield is improved, and the production amount of waste water and waste residues is reduced.
In the production process of the carbonate, after the first metal sintering filter 3 is subjected to nitrogen purging, the nitrogen purging process is closed, the second valve 6, the upper pipeline valve 4 at the output end of the first metal sintering filter 3 and the first liquid outlet valve 20 are opened, at the moment, the first valve 2 and the fifth valve 11 are in a closed state, part of clear liquid filtered by the second metal sintering filter 9 flows into the first metal sintering filter 3, the clear liquid flushes a small part of residues left in the first metal sintering filter 3 out and flows into the third metal sintering filter 19 through the first liquid outlet valve 20, finally, the clear liquid flows out from the second clear liquid outlet pipeline 22 to finish the filtering and cleaning process, when the second metal sintering filter 9 is put into use for a period of time and then is cut into the first metal sintering filter 3, the first liquid outlet valve 20 is closed, opening the fourth valve 10, the upper pipeline valve 4 at the output end of the second metal sintering filter 9 and the second liquid outlet valve 21, wherein the third valve 8 and the sixth valve 12 are in a closed state, part of the clear liquid filtered by the first metal sintering filter 3 flows into the second metal sintering filter 9, the clear liquid washes out a small part of the residue left in the second metal sintered filter 9 and flows into the third metal sintered filter 19 through the second liquid outlet valve 21, finally, the clear liquid flows out from the second clear liquid output pipeline 22 to finish the processes of filtering and cleaning, because the amount of the residues is small, the quantity of the residues in the third metal sintering filter 19 needs to be a certain quantity after the first metal sintering filter 3 and the second metal sintering filter 9 are filtered for multiple times, and the residues can be finally accumulated to a certain quantity and then the third metal sintering filter 19 is independently detached for nitrogen purging and steam cleaning.
When the residue in the metal sintering filter is blown, the blowing state is not easy to be directly distinguished, when the liquid content is too high, the residue is easy to overflow, the slag taking work is difficult, the upper part of the metal sintering filter is blown and then the lower part of the metal sintering filter is blown, a nitrogen heater is additionally arranged, the temperature of nitrogen is increased, the nitrogen is blown from the upper part to the lower part, the residue is not easy to overflow, and the blowing of residual waste residue can be ensured; after the residue is cleaned, steam cleaning is used for replacing water injection cleaning, so that the generation of waste water is reduced, and the purpose of protecting the environment is achieved.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (5)
1. A metal sintering filter belt cleaning device for carbonic ester, characterized by: comprises a feed pipeline (1), a metal sintering filter, valves, a material recovery pipeline (13), a nitrogen gas inlet pipeline (18), wherein the feed pipeline (1) is connected with one end of a first valve (2) and one end of a third valve (8), the other end of the first valve (2) is connected with one end of a fifth valve (11) and the input end of a first metal sintering filter (3), the other end of the third valve (8) is connected with one end of a sixth valve (12) and the input end of a second metal sintering filter (9), the other end of the fifth valve (11) and the other end of the sixth valve (12) are both connected with the material recovery pipeline (13), the output ends of the first metal sintering filter (3) and the second metal sintering filter (9) are divided into two pipelines, an upper pipeline valve (4) is connected on the upper pipeline, a lower pipeline valve (5) is connected on the lower pipeline, the clear liquid output pipeline (7) is connected through second valve (6) to first metal sintering filter (3) output end pipeline, clear liquid output pipeline (7) is connected through fourth valve (10) to second metal sintering filter (9) output end pipeline, the one end of nitrogen gas inlet valve (16) is connected respectively to the output end pipeline of first metal sintering filter (3) and second metal sintering filter (9), and nitrogen gas inlet pipe (18) is connected to the other end of nitrogen gas inlet valve (16).
2. The metal filter cleaning apparatus for carbonates according to claim 1, wherein: and a nitrogen heater (17) is additionally arranged on the nitrogen inlet pipeline (18).
3. The metal sintered filter cleaning apparatus for carbonates according to claim 2, wherein: the upper end parts of the first metal sintered filter (3) and the second metal sintered filter (9) are respectively connected with one end of a steam inlet valve (14), and the other end of the steam inlet valve (14) is connected with a steam inlet pipeline (15).
4. The metal sintered filter cleaning apparatus for carbonates according to claim 3, wherein: and a metal sintering filter element (23) is arranged inside the first metal sintering filter (3) and the second metal sintering filter (9), and steam is injected into the metal sintering filter element (23) from the steam inlet pipeline (15).
5. The metal sintered filter cleaning apparatus for carbonates according to claim 2, wherein: the input lower extreme of first metal sintered filter (3) passes through the one end of the first liquid valve (20) of pipe connection, the input lower extreme of second metal sintered filter (9) passes through the one end of pipe connection second liquid valve (21), and the input of third metal sintered filter (19) is all connected to the other end of first liquid valve (20) and the other end of second liquid valve (21), and second clear liquid output pipeline (22) is connected to the output of third metal sintered filter (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688419.9U CN210331881U (en) | 2019-05-15 | 2019-05-15 | Metal sintering filter belt cleaning device for carbonic ester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920688419.9U CN210331881U (en) | 2019-05-15 | 2019-05-15 | Metal sintering filter belt cleaning device for carbonic ester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210331881U true CN210331881U (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920688419.9U Active CN210331881U (en) | 2019-05-15 | 2019-05-15 | Metal sintering filter belt cleaning device for carbonic ester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210331881U (en) |
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2019
- 2019-05-15 CN CN201920688419.9U patent/CN210331881U/en active Active
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Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: SHINGHWA CHEMICAL Corp. Patentee after: Shenghua New Material Group Co.,Ltd. Address before: 257000 south of beiwaihuan Road, Yong'an Town, Kenli District, Dongying City, Shandong Province Patentee before: SHINGHWA CHEMICAL Corp. Patentee before: SHANDONG SHIDA SHENGHUA CHEMICAL GROUP Co.,Ltd. |
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Address after: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee after: SHINGHWA CHEMICAL Corp. Country or region after: China Patentee after: Shi Dashenghua New Materials Group Co.,Ltd. Address before: 198 Tongxing Road, Kenli District, Dongying City, Shandong Province Patentee before: SHINGHWA CHEMICAL Corp. Country or region before: China Patentee before: Shenghua New Material Group Co.,Ltd. |