CN220142746U - Concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag - Google Patents
Concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag Download PDFInfo
- Publication number
- CN220142746U CN220142746U CN202321548029.4U CN202321548029U CN220142746U CN 220142746 U CN220142746 U CN 220142746U CN 202321548029 U CN202321548029 U CN 202321548029U CN 220142746 U CN220142746 U CN 220142746U
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- CN
- China
- Prior art keywords
- cavity
- sulfuric acid
- concentrated sulfuric
- slag
- porcelain
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- 239000002893 slag Substances 0.000 title claims abstract description 77
- 229910052573 porcelain Inorganic materials 0.000 title claims abstract description 47
- 238000001914 filtration Methods 0.000 title claims abstract description 45
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 238000004140 cleaning Methods 0.000 title claims abstract description 20
- 239000000706 filtrate Substances 0.000 claims abstract description 22
- 239000000919 ceramic Substances 0.000 claims abstract description 19
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 11
- 239000010935 stainless steel Substances 0.000 claims description 11
- 239000000463 material Substances 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052710 silicon Inorganic materials 0.000 claims description 6
- 239000010703 silicon Substances 0.000 claims description 6
- 229910052759 nickel Inorganic materials 0.000 claims description 5
- 239000013049 sediment Substances 0.000 claims description 3
- 239000002253 acid Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 3
- 239000003546 flue gas Substances 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Filtration Of Liquid (AREA)
Abstract
The utility model discloses a concentrated sulfuric acid filtering device for automatically cleaning ceramic slag, which comprises a filtrate cavity, wherein a concentrated sulfuric acid outlet pipe is communicated with the filtrate cavity, the filtering device comprises a filter cavity, one end of the filter cavity is inserted into the filtrate cavity, one side of the filter cavity inserted into the filtrate cavity is communicated with a concentrated sulfuric acid inlet pipe penetrating through the side wall of the filtrate cavity, the other end of the filter cavity is communicated with a ceramic slag storage cavity, a first automatic valve is arranged between the filter cavity and the ceramic slag storage cavity, a slag discharge port is arranged at the bottom of the ceramic slag storage cavity, and a second automatic valve is arranged at the slag discharge port. When the porcelain slag in the porcelain slag storage cavity needs to be cleaned, the first automatic valve is closed to isolate the filter cavity from the porcelain slag storage cavity, so that the purpose of cleaning the porcelain slag on the premise of not disassembling the filter screen is achieved, the continuity of operation is improved, and the safety risk is reduced.
Description
Technical Field
The utility model relates to the field of filtering equipment, in particular to a concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag.
Background
In the process of drying and absorbing the acid by flue gas, porcelain fillers are filled in a dry absorption tower to increase the contact area between circulating acid and the flue gas, thereby ensuring high drying and absorbing efficiency. The circulating acid is sprayed in the tower through a pipeline between the dry absorption tower and the circulating tank, a concentrated sulfuric acid circulating pump, an anode protection concentrated acid cooler and an acid distributor to dry and absorb the flue gas, and the circulating acid is concentrated sulfuric acid. In the circulating process, the concentrated sulfuric acid contains porcelain slag, and the porcelain slag can cause larger abrasion to the impeller of the concentrated acid circulating pump, so that the service life of the concentrated sulfuric acid is reduced, and the problems of blocking the anode protection heat exchanger, the acid distributing port of the acid distributor and the like can also occur.
At present, when the porcelain slag in concentrated sulfuric acid is cleaned, a filter screen is required to be taken out under the premise of ensuring safety, the porcelain slag is cleaned, the working efficiency is low, the safety risk is high, and the filter screen cannot be disassembled and assembled when the concentrated sulfuric acid in a pipeline normally circulates. Therefore, a concentrated sulfuric acid filtering device capable of automatically cleaning the porcelain slag is urgently needed, the porcelain slag in the concentrated sulfuric acid in the circulating process can be automatically cleaned, the safety in the operating process is ensured, and the operating efficiency is improved.
Disclosure of Invention
The utility model provides a concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag, and aims to solve the problems that the concentrated sulfuric acid filtering device is low in porcelain slag cleaning efficiency and high in safety risk, and a filter screen cannot be disassembled and assembled when concentrated sulfuric acid in a pipeline normally circulates.
The utility model relates to a concentrated sulfuric acid filtering device for automatically cleaning ceramic slag, which comprises a filtrate cavity, wherein a concentrated sulfuric acid outlet pipe is communicated with the filtrate cavity; the 1/2 department of porcelain sediment storage chamber is equipped with the charge level indicator, and the charge level indicator is connected with PLC programmable controller's signal input part electricity, and PLC programmable controller's signal output part is connected with first automatic valve and second automatic valve electricity respectively.
Preferably, the filter cavity has a filter hole diameter of 8-10mm.
Preferably, the open area of the filter chamber is > 70%.
Preferably, the porcelain slag storage cavity, the concentrated sulfuric acid inlet pipe, the filtrate cavity, the concentrated sulfuric acid outlet pipe, the filter cavity and the slag discharging port are all of high-silicon stainless steel plates or high-nickel stainless steel structures.
Preferably, the high silicon stainless steel or the high nickel stainless steel has a thickness of 3-5mm.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the concentrated sulfuric acid filtering device capable of automatically cleaning the ceramic slag, the ceramic slag storage cavity is arranged at one end of the filtering cavity, the ceramic slag storage cavity is connected with the filtering cavity through the first automatic valve, in the circulation process, the first automatic valve is in a normally open state, when the ceramic slag in the ceramic slag storage cavity needs to be cleaned, the first automatic valve is closed, the ceramic slag storage cavity is isolated from the filtering cavity, the second automatic valve of the slag discharge port at the bottom of the ceramic slag storage cavity is opened for slag discharge, the traditional mode that a filter screen needs to be detached to clean filter residues is replaced, cleaning can be carried out at any time in the circulation process, normal filtration is not affected, and the continuity of operation is improved.
2. According to the concentrated sulfuric acid filtering device capable of automatically cleaning the porcelain slag, provided by the utility model, the material level indicator is arranged at the 1/2 position of the porcelain slag storage cavity, when the material level indicator detects that the porcelain slag content in the porcelain slag storage cavity exceeds half of the volume of the porcelain slag storage cavity, the material level indicator feeds back a signal to the PLC, the PLC controls the first automatic valve to be closed, the second automatic valve to be opened, slag is discharged, intelligent control is performed, and the device is efficient, convenient and high in safety.
3. The concentrated sulfuric acid filtering device for automatically cleaning the porcelain slag provided by the utility model has the advantages that the diameter of the filtering hole of the filtering cavity is 8-10mm, the aperture ratio of the filtering cavity is more than 70%, the porcelain slag can be filtered completely, the normal circulation of the concentrated sulfuric acid is ensured, and the filtering efficiency is improved.
4. The concentrated sulfuric acid filtering device for automatically cleaning the porcelain slag provided by the utility model has the advantages that the porcelain slag storage cavity, the concentrated sulfuric acid inlet pipe, the filtrate cavity, the concentrated sulfuric acid outlet pipe, the filtering cavity and the slag discharging port are all of high-silicon stainless steel or high-nickel stainless steel structures, the wear resistance and the corrosion resistance are realized, and the service life of the filtering device is greatly prolonged.
Drawings
FIG. 1 is a schematic diagram of the whole structure of a concentrated sulfuric acid filtering device for automatically cleaning porcelain slag;
FIG. 2 is a diagram of circuit connections according to the present utility model;
in the figure: 1-a porcelain slag storage cavity; 2-a first automatic valve; a 3-concentrated sulfuric acid inlet pipe; 4-a filtrate chamber; a 5-concentrated sulfuric acid outlet pipe; 6-a filter chamber; 7-a slag discharge port; 8-a second automatic valve.
Detailed Description
The utility model is further described below with reference to the accompanying drawings:
as shown in figure 1, the utility model is a concentrated sulfuric acid filtering device for automatically cleaning porcelain slag, which comprises a filtrate cavity 4, wherein a concentrated sulfuric acid outlet pipe 5 is communicated with the filtrate cavity 4, the filtering device comprises a filtering cavity 6 with a filtering hole diameter of 10mm, the opening ratio of the filtering cavity 6 is 75%, one end of the filtering cavity 6 is inserted into the filtrate cavity 4, one side of the filtering cavity 6 inserted into the filtrate cavity 4 is communicated with a concentrated sulfuric acid inlet pipe 3 penetrating through the side wall of the filtrate cavity 4, the other end of the filtering cavity 6 is communicated with a porcelain slag storage cavity 1, a first automatic valve 2 is connected between the filtering cavity 6 and the porcelain slag storage cavity 1 through a flange, a slag discharging port 7 is arranged at the bottom of the porcelain slag storage cavity 1, and a second automatic valve 8 is arranged at the slag discharging port 7; a level gauge is arranged at 1/2 position of the porcelain slag storage cavity 1, and the level gauge selects an interface instrument capable of measuring a solid-liquid interface; the material level gauge is electrically connected with a signal input end of the PLC, and a signal output end of the PLC is electrically connected with the first automatic valve 2 and the second automatic valve 8 respectively. Wherein, porcelain slag storage cavity 1, concentrated sulfuric acid inlet pipe 3, filtrate cavity 4, concentrated sulfuric acid outlet pipe 5, filter cavity 6 and slag discharging port 7 are all made of high silicon stainless steel plate with thickness of 3 mm.
In the normal circulation process, the porcelain slag is filtered into the filter cavity 6 and is accumulated in the porcelain slag storage cavity 1 through the first automatic valve 2 under the action of gravity, the first automatic valve 2 is in a normally open state, when a charge level indicator in the porcelain slag storage cavity 2 detects that the porcelain slag accumulation amount in the porcelain slag storage cavity 2 reaches half of the porcelain slag storage cavity 2, the charge level indicator feeds back a signal to a PLC (programmable logic controller), and the PLC receives the signal to control the first automatic valve 2 to be closed, so that the porcelain slag storage cavity 1 is isolated from the filter cavity 6, and meanwhile, the second automatic valve 8 is opened to carry out slag discharge. After deslagging is finished, the PLC receives a signal of the material level gauge to control the second automatic valve 8 to be closed, the first automatic valve 2 is opened, and circulating filtration is continued. Through the interlocking between charge level indicator and first automatic valve 2, the automatic valve 8 of second, realize the automatic clearance of porcelain sediment in the filter equipment, intelligent degree is high, and the security risk is low.
Claims (5)
1. The utility model provides an automatic clear up concentrated sulfuric acid filter equipment of porcelain sediment, includes filtrate chamber (4), and the intercommunication has concentrated sulfuric acid outlet pipe (5), its characterized in that on filtrate chamber (4): the filtering device comprises a filtering cavity (6), one end of the filtering cavity (6) is inserted into the filtrate cavity (4), one side of the filtering cavity (6) inserted into the filtrate cavity (4) is communicated with a concentrated sulfuric acid inlet pipe (3) penetrating through the side wall of the filtrate cavity (4), the other end of the filtering cavity (6) is communicated with a porcelain slag storage cavity (1), a first automatic valve (2) is arranged between the filtering cavity (6) and the porcelain slag storage cavity (1), a slag discharge port (7) is arranged at the bottom of the porcelain slag storage cavity (1), and a second automatic valve (8) is arranged at the slag discharge port (7); the ceramic slag storage device is characterized in that a material level gauge is arranged at 1/2 part of the ceramic slag storage cavity (1), the material level gauge is electrically connected with a signal input end of a PLC (programmable logic controller), and a signal output end of the PLC is electrically connected with a first automatic valve (2) and a second automatic valve (8) respectively.
2. The concentrated sulfuric acid filtering device for automatically cleaning ceramic slag according to claim 1, wherein: the diameter of the filtering holes of the filtering cavity (6) is 8-10mm.
3. A concentrated sulfuric acid filter for automatically cleaning ceramic slag as defined in claim 2, wherein: the aperture ratio of the filter cavity (6) is more than 70 percent.
4. The concentrated sulfuric acid filtering device for automatically cleaning ceramic slag according to claim 1, wherein: the ceramic slag storage cavity (1), the concentrated sulfuric acid inlet pipe (3), the filtrate cavity (4), the concentrated sulfuric acid outlet pipe (5), the filter cavity (6) and the slag discharging port (7) are all of a high-silicon stainless steel plate or high-nickel stainless steel structure.
5. The concentrated sulfuric acid filter device for automatically cleaning ceramic slag according to claim 4, wherein: the thickness of the high-silicon stainless steel or the high-nickel stainless steel is 3-5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321548029.4U CN220142746U (en) | 2023-06-16 | 2023-06-16 | Concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321548029.4U CN220142746U (en) | 2023-06-16 | 2023-06-16 | Concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220142746U true CN220142746U (en) | 2023-12-08 |
Family
ID=89021786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321548029.4U Active CN220142746U (en) | 2023-06-16 | 2023-06-16 | Concentrated sulfuric acid filtering device capable of automatically cleaning porcelain slag |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220142746U (en) |
-
2023
- 2023-06-16 CN CN202321548029.4U patent/CN220142746U/en active Active
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