CN219848341U - Acid distributor filter device - Google Patents
Acid distributor filter device Download PDFInfo
- Publication number
- CN219848341U CN219848341U CN202321003461.5U CN202321003461U CN219848341U CN 219848341 U CN219848341 U CN 219848341U CN 202321003461 U CN202321003461 U CN 202321003461U CN 219848341 U CN219848341 U CN 219848341U
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- CN
- China
- Prior art keywords
- filter
- acid
- rose box
- sour
- pipe
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000002253 acid Substances 0.000 title claims abstract description 69
- 238000001914 filtration Methods 0.000 claims abstract description 37
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims abstract description 27
- 241000220317 Rosa Species 0.000 claims abstract description 24
- 239000002893 slag Substances 0.000 claims description 18
- 238000007599 discharging Methods 0.000 claims description 16
- 230000007797 corrosion Effects 0.000 claims description 13
- 238000005260 corrosion Methods 0.000 claims description 13
- 229910045601 alloy Inorganic materials 0.000 claims description 11
- 239000000956 alloy Substances 0.000 claims description 11
- 239000012535 impurity Substances 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 229910052573 porcelain Inorganic materials 0.000 abstract description 4
- 238000009826 distribution Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 206010024796 Logorrhoea Diseases 0.000 abstract 1
- 235000011149 sulphuric acid Nutrition 0.000 abstract 1
- 239000001117 sulphuric acid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 4
- AKEJUJNQAAGONA-UHFFFAOYSA-N sulfur trioxide Chemical compound O=S(=O)=O AKEJUJNQAAGONA-UHFFFAOYSA-N 0.000 description 4
- 239000007789 gas Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000003723 Smelting Methods 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Filtration Of Liquid (AREA)
Abstract
The utility model provides an acid distributor filter equipment, includes the rose box of being connected with sour pipe and sour house steward, the rose box in be equipped with the filter, the filter on be equipped with the filtration aperture, the rose box be reducing structure, the pipe diameter at both ends of rose box be the same with the connection of sour pipe and sour house steward, the pipe diameter of the pipe diameter at the middle section of rose box be greater than the pipe diameter at both ends, the filter set up in the middle section of rose box, just the filter slope set up in the rose box, filter and sulphuric acid flow direction be inclination, the concentrated sulfuric acid that can effectively filter into acid distributor because of the quality is not high to the sour mud that the sour medium-sized that references, garrulous porcelain ring etc. impurity has both improved the availability factor of acid distributor, has prolonged the life of acid distributor, has also promoted the quality of getting into next process sour, the rose box has the effect of balanced pipeline pressure in addition, makes system acid distribution pressure more stable.
Description
Technical Field
The utility model relates to the technical field of chemical equipment, in particular to a filtering device of an acid distributor.
Background
In the system equipment for manufacturing sulfuric acid, the acid distributor is an important component part in the drying tower and the absorption tower, and specifically, the acid distributor uniformly distributes concentrated sulfuric acid fluid entering the drying tower and the absorption tower, so that the concentrated sulfuric acid flowing downwards uniformly and the process gas flowing upwards from the tower bottom uniformly contact in the packing layer, and the concentrated sulfuric acid dries and absorbs sulfur trioxide in the process gas to form higher-concentration sulfuric acid. The high and low absorptivity of the acid distributor to gas directly influences the normal operation of the whole system, the lower absorptivity can cause excessive acid mist formation in the tower, excessive corrosion of equipment is caused, the quality of finished acid is not too high, and the excessive sulfur trioxide is discharged into the atmosphere to cause serious pollution to the atmosphere. Therefore, the action of the acid separator is important.
The sulfuric acid production device of different units has uneven quality control precision level on sulfuric acid, and especially in some large-scale smelting flue gas acid production systems, a large amount of impurities are often contained, so that circulating acid contains a large amount of acid mud, broken porcelain rings and the like enter an acid distributor along with acid liquor circulation, thereby blocking an acid distributing pipe, affecting the efficiency and the service life of the acid distributor, and even causing the problems of shutdown and yield reduction.
Disclosure of Invention
In order to solve the technical defects in the prior art, the utility model provides a filtering device of an acid distributor.
The technical scheme adopted by the utility model is as follows: the utility model provides an acid distributor filter equipment, includes the rose box of being connected with sour pipe and sour house steward, the rose box in be equipped with the filter, the filter on be equipped with the filtration aperture, the rose box be reducing structure, the pipe diameter at both ends of rose box be the same with the connection of sour pipe and sour house steward, the pipe diameter of the pipe diameter at the middle section of rose box be greater than the pipe diameter at both ends, the filter set up the middle section at the rose box, just the filter slope set up in the rose box, the filter be inclination with sulfuric acid flow direction.
The bottom of the filter tank is provided with a slag discharging port, and the slag discharging port is arranged on one side of an acid inlet pipe at the bottom of the filter tank.
The lower end of the filter plate is fixed on one side of the slag discharging port, which is close to the acid main pipe.
The inclination angle of the filter plate is 3-5 degrees.
The filter tank is characterized in that connecting flanges are arranged at two ends of the filter tank, the connecting flanges are made of XDS special corrosion-resistant alloy, the connecting flanges are welded with two ends of the filter tank, and the filter tank is connected with an acid inlet pipe and an acid main pipe through the connecting flanges.
The filtering holes on the filtering plate are arranged in a triangular mode.
The slag discharging port is made of XDS special corrosion resistant alloy, and is welded with the filter box.
The beneficial effects of the utility model are as follows: the utility model provides an acid distributor filtering device, which comprises a filtering box connected with an acid inlet pipe and an acid header pipe, wherein a filtering plate is arranged in the filtering box, filtering small holes are formed in the filtering plate, the filtering box is of a reducing structure, the pipe diameters of two ends of the filtering box are the same as the connection of the acid inlet pipe and the acid header pipe, the pipe diameter of the middle section of the filtering box is larger than that of the two ends of the filtering box, the filtering plate is arranged in the middle section of the filtering box in an inclined manner, and the filtering plate and the flowing direction of sulfuric acid are inclined, so that concentrated sulfuric acid entering the acid distributor can be effectively filtered, the quality of acid mud, broken porcelain rings and other impurities in acid are not high, the service efficiency of the acid distributor is improved, the service life of the acid distributor is prolonged, the quality of the acid entering the next procedure is improved, in addition, the filtering box has the function of balancing pipeline pressure, and the acid distribution pressure of a system is more stable.
Drawings
Fig. 1 is a cross-sectional view of the present utility model.
FIG. 2 is a schematic diagram of the structure of the present utility model.
FIG. 3 is a schematic view of the mounting structure of the present utility model.
Fig. 4 is a schematic view of the mounting structure of the present utility model.
Wherein, the filter comprises a 1-filter box, a 2-filter plate, a 3-filter small hole, a 4-slag discharge port and a 11-connecting flange.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the utility model, are within the scope of the utility model based on the embodiments of the utility model.
The utility model provides an acid distributor filter equipment, includes the rose box 1 of being connected with sour pipe and sour house steward, adopts XDS special type corrosion resistant alloy to make the material preparation, rose box 1 in be equipped with filter 2, the filter adopt XDS special type corrosion resistant alloy to make the material preparation, filter 2 on be equipped with filtration aperture 3, the filtration aperture 3 on the filter 2 arrange according to triangle-shaped mode. The aperture of the small hole of the filter plate can be specifically set according to the aperture of the acid inlet pipe of the acid distributor and the flow velocity of the medium, and the punching range of the filter plate is consistent with the large diameter of the filter box. The filter tank 1 be reducing structure, the pipe diameter at both ends of filter tank 1 be the same with advance sour pipe and acid house steward's connection, the pipe diameter at the middle section of filter tank 1 be greater than the pipe diameter at both ends, the interlude diameter is calculated according to filtration area, medium velocity of flow and is decided, the centre sets up the major diameter on the one hand in order to ensure the area of punching of filter, fully guarantees pipeline resistance in normal range, on the other hand the major diameter section plays a cushioning effect to pipeline pressure, does benefit to the pressure in the balanced sour pipeline of going up, more does benefit to acid separation stability. The filter plate 2 is arranged at the middle section of the filter box 1, the filter plate 2 is obliquely arranged in the filter box 1, and the filter plate 2 and the flowing direction of sulfuric acid are in an oblique angle. The inclination angle of the filter plate 2 is 3 degrees to 5 degrees. The bottom of the filter tank 1 is provided with a slag discharging port 4, and the slag discharging port 4 is arranged on one side of an acid inlet pipe at the bottom of the filter tank 1. The lower end of the filter plate 2 is fixed at one side of the slag discharging port 4 close to the acid header pipe. The slag discharging port 4 is made of XDS special corrosion resistant alloy, and the slag discharging port 4 is welded with the filter box 1. The tail part of the slag discharging port is provided with a flange, a gasket, a fastener and a flange cover, the flange and the flange cover are made of XDS special corrosion-resistant alloy, the gasket is made of PTFE or RPTFE material, the gasket is determined according to the temperature of concentrated sulfuric acid, the flange cover can be replaced by a ball valve with the same diameter, the fastener is composed of a bolt, a nut and a gasket, the material is stainless steel, and the nut side is directed downwards when the bolt is penetrated and assembled, so that the flange is convenient to install and detach.
The filter box is characterized in that connecting flanges 11 are arranged at two ends of the filter box 1, the connecting flanges 11 are made of XDS special corrosion-resistant alloy, the connecting flanges 11 are welded with two ends of the filter box 1, and the welding is made of XDS special corrosion-resistant alloy welding wires and argon tungsten-arc welding. The filter tank 1 is connected with an acid inlet pipe and an acid main pipe through a connecting flange 11.
The acid distributor filtering device is arranged between the acid inlet pipe and the acid main pipe, and is convenient to overhaul, install, detach, clean and replace by realizing the installation through flange connection.
The acid distributor filtering device can effectively filter acid mud, broken porcelain rings and other impurities in the sulfuric acid medium, prevent the acid distributor from being blocked, prolong the service life of the acid distributor and simultaneously provide sulfuric acid quality.
The reducing design of the filter box of the acid distributor filter device ensures the filtering area and has the function of balancing the internal pressure of the acid pipe, so that acid distribution is more stable.
The filter board slope design (3 ~5 deg. of inclination), purpose are in order to increase filtration area, reduce the resistance of medium, and punching mode regular triangle arranges, and aperture size is specifically set for by parameters such as medium, impurity size, medium velocity of flow, and the filter adopts the steel sheet to punch the preparation, and thickness is thick, is difficult to break down than ordinary silk screen woven filter screen, long service life.
The slag discharging port is arranged at the bottom of the filter tank and is close to the left. The triangular area between the filter plate and the reducing section forms a filter residue storage area, and when the system is stopped for maintenance, the flange cover of the residue discharging port is opened, so that filter residues in the filter device can be discharged, and the filter device is flexible and convenient; the flange cover at the slag discharge port can be replaced by a ball valve, so that on-line pollution discharge can be realized, and the flange cover or the ball valve can be determined according to actual conditions.
The filter device is made of XDS special corrosion-resistant alloy, has good corrosion resistance and long service life.
The skilled person will know: while the utility model has been described in terms of the foregoing embodiments, the inventive concepts are not limited to the utility model, and any modifications that use the inventive concepts are intended to be within the scope of the appended claims.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (7)
1. The utility model provides an acid distributor filter equipment, includes rose box (1) of being connected with sour pipe and sour house steward, its characterized in that, rose box (1) in be equipped with filter (2), filter (2) on be equipped with filtration aperture (3), rose box (1) be reducing structure, the pipe diameter at both ends of rose box (1) be the same with the connection of sour pipe and sour house steward, the pipe diameter of the pipe diameter at the middle section of rose box (1) be greater than the pipe diameter at both ends, filter (2) set up the middle section at rose box (1), just filter (2) slope set up in rose box (1), filter (2) be inclination with sulfuric acid flow direction.
2. The acid distributor filtering device according to claim 1, wherein the bottom of the filtering box (1) is provided with a slag discharging port (4), and the slag discharging port (4) is arranged on one side of an acid inlet pipe at the bottom of the filtering box (1).
3. An acid separator filter device according to claim 2, characterized in that the lower end of the filter plate (2) is fixed at the side of the slag discharge port (4) close to the acid header pipe.
4. An acid separator filter arrangement according to claim 1, characterized in that the filter plate (2) is inclined at an angle of 3 ° -5 °.
5. The acid distributor filtering device according to claim 1, wherein the two ends of the filtering box (1) are respectively provided with a connecting flange (11), the connecting flanges (11) are made of XDS special corrosion resistant alloy, the connecting flanges (11) are welded with the two ends of the filtering box (1), and the filtering box (1) is connected with an acid inlet pipe and an acid header pipe through the connecting flanges (11).
6. An acid separator filter device according to claim 1, characterized in that the filter apertures (3) of the filter plate (2) are arranged in a triangular manner.
7. The acid distributor filtering device according to claim 2, wherein the slag discharging port (4) is made of XDS special corrosion resistant alloy, and the slag discharging port (4) is welded with the filtering box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003461.5U CN219848341U (en) | 2023-04-28 | 2023-04-28 | Acid distributor filter device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321003461.5U CN219848341U (en) | 2023-04-28 | 2023-04-28 | Acid distributor filter device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219848341U true CN219848341U (en) | 2023-10-20 |
Family
ID=88324602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321003461.5U Active CN219848341U (en) | 2023-04-28 | 2023-04-28 | Acid distributor filter device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219848341U (en) |
-
2023
- 2023-04-28 CN CN202321003461.5U patent/CN219848341U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |