CN113786654A - Automatic cleaning filter for sulfuric acid production - Google Patents
Automatic cleaning filter for sulfuric acid production Download PDFInfo
- Publication number
- CN113786654A CN113786654A CN202111083179.8A CN202111083179A CN113786654A CN 113786654 A CN113786654 A CN 113786654A CN 202111083179 A CN202111083179 A CN 202111083179A CN 113786654 A CN113786654 A CN 113786654A
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- Prior art keywords
- wall
- fixedly connected
- filter
- plate
- pipe
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 69
- 238000004140 cleaning Methods 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- 230000005540 biological transmission Effects 0.000 claims abstract description 15
- 238000010521 absorption reaction Methods 0.000 claims abstract description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 92
- 239000010865 sewage Substances 0.000 claims description 33
- 239000002699 waste material Substances 0.000 claims description 15
- 238000003825 pressing Methods 0.000 claims description 11
- 239000007921 spray Substances 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 239000012535 impurity Substances 0.000 description 18
- 238000007599 discharging Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 235000011149 sulphuric acid Nutrition 0.000 description 5
- 239000001117 sulphuric acid Substances 0.000 description 5
- 238000001914 filtration Methods 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000005484 gravity Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 238000007790 scraping Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 230000004888 barrier function Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010992 reflux Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000011550 stock solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011514 vinification Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6469—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers
- B01D29/6484—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element scrapers with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles
- B01D29/684—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or nozzles with a translatory movement with respect to the filtering element
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/92—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging filtrate
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses an automatic cleaning filter for sulfuric acid production, and relates to the technical field of filter cleaning; in order to solve the problem of poor cleaning effect; the filter comprises a filter shell fixedly connected to the outer wall of the top of a supporting seat, wherein the circumferential inner wall of the filter shell is fixedly connected with a flow discharge plate; the inner wall of the top of the filter shell is rotatably connected with an adjusting column, and the bottom end of the adjusting column is rotatably connected with the outer wall of the top of the flow discharge plate; the inside of filter housing is provided with clearance portion, and clearance portion comprises transmission structure, water absorption structure and clearance structure, the clearance structure is including setting up in the one-way board and the two-way board of adjusting the post outer wall, the equal fixedly connected with shower nozzle of the both sides outer wall of one side outer wall and the two-way board of one side outer wall of one-way board, the equal fixedly connected with scraper blade of the both sides outer wall of one side outer wall and two-way board of one-way board. The double matching of the invention is convenient for thoroughly cleaning the inner/outer surface of the filter element, and improves the cleaning quality.
Description
Technical Field
The invention relates to the technical field of filter cleaning, in particular to an automatic cleaning filter for sulfuric acid production.
Background
The filter can be widely applied to various liquid supply systems in wine making, beverage, biological medicine industries, steel industries, metallurgical industries, paper making industries, chemical industries, plastic industries, irrigation and the like. After a period of use, a large amount of impurities are formed on a filter screen of a traditional filtering system, the filter screen needs to be taken out periodically for cleaning or replacement, and each cleaning or replacement is accompanied with the shutdown of the system, so that the expenditure of manpower and material resources of an enterprise, the instability of system operation and the operation cost of the enterprise are increased.
In order to solve the problems, through retrieval, the Chinese patent with the application number of CN200720129251.5 discloses a full-automatic online cleaning filter, the structure of which comprises a filter shell, a driving device and a cleaning device, wherein the driving device is a motor, the motor is connected with the cleaning device in the inner cavity of the filter shell through an output shaft and drives the cleaning device to rotate, the filter shell above and below the cleaning device is respectively provided with a stock solution inlet and a filtrate outlet, and in addition, the bottoms of the cleaning device and the filter shell are respectively led out of a sewage discharge pipe. The fully automatic online cleaning filter in the above patent has the following disadvantages: the surface of the filter screen can only be brushed, but the filtered impurities are not only remained on the outer surface of the filter element, but also part of the impurities can permeate into the surface of the filter element, so that the cleaning effect is poor.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides an automatic cleaning filter for sulfuric acid production.
In order to achieve the purpose, the invention adopts the following technical scheme:
an automatic cleaning filter for sulfuric acid production comprises a filter shell fixedly connected to the outer wall of the top of a supporting seat, wherein the circumferential inner wall of the filter shell is fixedly connected with a flow discharge plate; the inner wall of the top of the filter shell is rotatably connected with an adjusting column, and the bottom end of the adjusting column is rotatably connected with the outer wall of the top of the flow discharge plate; the cleaning part is arranged in the filter shell and consists of a transmission structure, a water absorption structure and a cleaning structure, the cleaning structure comprises a one-way plate and a two-way plate which are arranged on the outer wall of the adjusting column, the outer wall of one side of the one-way plate and the outer walls of two sides of the two-way plate are fixedly connected with spray heads, and the outer wall of one side of the one-way plate and the outer walls of two sides of the two-way plate are fixedly connected with scraping plates; the water absorption structure comprises an upper liquid collecting pipe fixedly connected to the inner wall of the top of the filter shell and a lower liquid collecting pipe fixedly connected to the outer wall of the top of the flow discharge plate, the outer wall of the upper liquid collecting pipe close to the bottom end and the outer wall of the lower liquid collecting pipe close to the bottom end are both fixedly connected with a liquid absorption port, and the outer wall of one side of the liquid absorption port is fixedly connected with a one-way valve; the inner wall of the top of the filter shell is fixedly connected with a filter element; and the outer wall of the bottom of the filter shell is fixedly connected with a sewage discharge part.
Preferably: the top inner wall fixedly connected with guide bar of filter housing, the outer wall of guide bar and the inner wall of clearance structure constitute sliding fit, and the outer wall sliding connection of guide bar has the limiting plate, and the inner wall fixed connection of limiting plate is in the outer wall of water absorption structure.
Further: the filter shell is fixedly connected with a top cover; the transmission structure comprises a motor, a conveyor belt and gears the number of which is the same as that of the adjusting columns, and the outer wall of the bottom of the motor is fixedly connected with the outer wall of the top cover; the top end of the gear is rotatably connected to the inner wall of the top of the filter shell, the input end of the gear is connected with the output end of the motor through the coupler, and the bottom end of the gear is connected with the top end of the adjusting column through a bolt; the inner wall of conveyer belt sets up in the outer wall of gear.
Further preferred is: the blowdown portion includes that fixed connection is in the blow off pipe of filter housing bottom outer wall and fixed connection in the back flow and the waste material pipe of blow off pipe circumference outer wall, the outer wall fixedly connected with backward flow valve of back flow, the outer wall fixedly connected with blowoff valve of waste material pipe.
As a preferable aspect of the present invention: the device comprises a sewage discharge pipe, a connecting roller set, a cleaning plate, a pressing plate, a connecting roller set and a cleaning plate, wherein the pressing plate is arranged on the circumferential inner wall of the sewage discharge pipe, the bottom outer wall of the pressing plate and the circumferential inner wall of the sewage discharge pipe are fixedly connected with the same rubber torsion spring, the connecting roller set is fixedly connected with the bottom outer wall of the pressing plate, the connecting roller set consists of a long column and an elastic piece, and the bottom end of the connecting roller set is fixedly connected with the cleaning plate; the inner wall of blow off pipe and the same filter of inner wall fixedly connected with of waste material pipe.
Further preferred as the invention: the circumference outer wall fixedly connected with inlet that is close to the top of filter housing, the circumference outer wall fixedly connected with liquid outlet that is close to the bottom of filter housing, the outer wall fixedly connected with bleeder valve of liquid outlet.
As a still further scheme of the invention: the circumference outer wall fixedly connected with differential pressure sensor of filter casing, differential pressure sensor's pressure port is fixed in the inner wall of inlet and liquid outlet respectively.
On the basis of the scheme: the outer wall of the bottom of the flow discharge plate is provided with a blocking plate; the bottom inner wall of filter housing is provided with the spout, one side inner wall fixedly connected with shore subassembly of spout, shore subassembly's extension end fixedly connected with sliding connection in the connecting portion of spout inner wall, and one side inner wall of connecting portion rotates through the pivot and is connected with the interlock arm that is fixed in baffler bottom outer wall, the equal fixedly connected with folded sheet of the relative one side inner wall of spout, one side outer wall fixed connection of folded sheet in one side outer wall of connecting portion.
The invention has the beneficial effects that:
1. according to the invention, the scraper plate, the upper liquid collecting pipe and the lower liquid collecting pipe are arranged, when the one-way plate and the two-way plate move up and down, the scraper plate scrapes the outer surface of the filter element comprehensively to remove impurities on the surface of the filter element, when the one-way plate and the two-way plate move up and down, the upper liquid collecting pipe is squeezed and compressed to enable liquid in the upper liquid collecting pipe to be ejected through the spray head, so that the surface of the filter element is rapidly flushed, the impurities permeating into the filter element can be deeply washed away, at the moment, the lower liquid collecting pipe is stretched along with the rising of the one-way plate and the two-way plate to enable the interior of the lower liquid collecting pipe to generate negative pressure, the liquid in the filter shell is sucked through the liquid sucking port to enter the lower liquid collecting pipe for temporary storage, the double matching is convenient for thoroughly cleaning the inside/outside of the filter element, and the cleaning quality is improved.
2. When the cleaning structure is lifted, the upper liquid collecting pipe/the lower liquid collecting pipe is extruded to slide on the guide rod through the limiting plate during compression, so that the deformation of the upper liquid collecting pipe/the lower liquid collecting pipe caused by stress is avoided, and the stability of the cleaning structure during movement is improved conveniently through the guide rod.
3. The sewage with impurities after being cleaned is gathered at the bottom of the filter shell, the reflux valve and the blow-down valve are opened, so that the sewage enters the blow-down pipe, the shunted impurities enter the waste pipe after being filtered by the filter plate, and the sulfuric acid recovery liquid after the impurities are removed is collected by the reflux pipe, thereby being convenient for automatically collecting waste impurities and sulfuric acid recovery liquid.
4. During the falling of sewage, the pressure plate is pressed and the rubber torsion spring is continuously extruded under the gravity of water flow, so that the cleaning plate is guided by the connecting roller set, the surface of the filter plate is continuously cleaned automatically, the filter plate is prevented from being blocked, and the efficiency of recovering sulfuric acid liquid is conveniently ensured.
5. After the filter is cleaned, the top support assembly is started to push the connecting part to move left and right in the chute, and the inclination angle of one end of the barrier plate is controlled by the support angle of the contraction linkage arm, so that sewage gathered above the flow discharge plate flows down to the bottom of the filter shell, excessive sulfuric acid liquid is prevented from settling in the bottom of the filter shell, and later-period sewage discharge and diversion time is saved.
Drawings
FIG. 1 is a schematic back view of an automatic cleaning filter for sulfuric acid production according to the present invention;
FIG. 2 is a schematic sectional front view of an automatic cleaning filter for sulfuric acid production according to the present invention;
FIG. 3 is a schematic view of a cleaning part of an automatic cleaning filter for sulfuric acid production according to the present invention;
FIG. 4 is an enlarged schematic structural view of part A of an automatic cleaning filter for sulfuric acid production according to the present invention;
FIG. 5 is a schematic cross-sectional view of a sewage pipe of an automatic cleaning filter for sulfuric acid production according to the present invention;
FIG. 6 is a schematic diagram of an explosive structure of a barrier plate, a folding plate and a linkage arm of an automatic cleaning filter for sulfuric acid production according to the present invention;
fig. 7 is a schematic circuit flow diagram of an automatic cleaning filter for sulfuric acid production according to the present invention.
In the figure: 1 filter shell, 2 differential pressure sensor, 3 inlet, 4 motors, 5 top covers, 6 liquid outlets, 7 supporting seats, 8 return valves, 9 blow-off pipes, 10 blow-off valves, 11 conveyer belts, 12 filter elements, 13 two-way plates, 14 discharge valves, 15 baffle plates, 16 chutes, 17 blow-off plates, 18 one-way plates, 19 gears, 20 adjusting columns, 21 limiting plates, 22 upper liquid collecting pipes, 23 spray heads, 24 scraping plates, 25 lower liquid collecting pipes, 26 guide rods, 27 liquid suction ports, 28 rubber torsion springs, 29 pressing plates, 30 connecting roller sets, 31 cleaning plates, 32 filtering plates, 33 folding plates, 34 top supporting assemblies and 35 linkage arms.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
an automatic cleaning filter for sulfuric acid production is shown in fig. 1-4, and comprises a filter shell 1 fixedly connected to the outer wall of the top of a supporting seat 7, wherein a flow discharge plate 17 is fixed on the circumferential inner wall of the filter shell 1 through bolts; the inner wall of the top of the filter shell 1 is rotatably connected with an adjusting column 20, and the bottom end of the adjusting column 20 is rotatably connected with the outer wall of the top of the flow discharge plate 17; a cleaning part is arranged in the filter shell 1 and consists of a transmission structure, a water absorption structure and a cleaning structure, the cleaning structure comprises a one-way plate 18 and a two-way plate 13 which are connected to the outer wall of the adjusting column 20 through threads, a plurality of spray heads 23 with the same interval are fixed on the outer wall of one side of the one-way plate 18 and the outer walls of two sides of the two-way plate 13 through bolts, and two scraping plates 24 are fixed on the outer wall of one side of the one-way plate 18 and the outer walls of two sides of the two-way plate 13 through bolts; the water absorption structure comprises an upper liquid collecting pipe 22 welded on the inner wall of the top of the filter shell 1 and a lower liquid collecting pipe 25 welded on the outer wall of the top of the flow discharging plate 17, the other ends of the upper liquid collecting pipe 22 and the lower liquid collecting pipe 25 are both welded on the outer wall of the cleaning structure, the outer wall of the upper liquid collecting pipe 22 close to the bottom end and the outer wall of the lower liquid collecting pipe 25 close to the bottom end are both fixed with liquid suction ports 27 through bolts, and the outer wall of one side of each liquid suction port 27 is fixed with a one-way valve through bolts, so that water flow can only form a state that water cannot flow out in the upper liquid collecting pipe 22/the lower liquid collecting pipe 25; one or more filter elements 12 are fixed on the inner wall of the top of the filter shell 1 through bolts; and a sewage discharge part is fixed on the outer wall of the bottom of the filter shell 1 through bolts. During production, sulfuric acid liquid entering the interior of the filter shell 1 passes through one or more filter elements 12 to be filtered to be discharged, when the pressure difference between the inlet/outlet ends of the filter shell 1 is detected to be higher than a set threshold value, the transmission structure is started to drive the adjusting column 20 to rotate, so as to drive the one-way plate 18 and the two-way plate 13 on the outer wall of the filter shell to move up and down, when the one-way plate 18 and the two-way plate 13 move up and down, the scraper 24 comprehensively scrapes the outer surface of the filter element 12 to remove surface impurities of the filter element, and when the one-way plate 18 and the two-way plate 13 rise, the upper liquid collecting pipe 22 is pressed to be compressed, so that the liquid in the filter element is ejected through the spray head 23, so that the surface of the filter element 12 is quickly flushed, so that the impurities permeating into the filter element can be flushed deeply, and at the lower liquid collecting pipe 25 is stretched along with the rising of the one-way plate 18 and the two-way plate 13 to generate negative pressure in the filter element, liquid in the filter shell 1 is sucked through the liquid suction port 27 and enters the lower liquid collecting pipe 25 for temporary storage, and the scraper 24, the upper liquid collecting pipe 22 and the lower liquid collecting pipe 25 are arranged, so that the inside/outside of the filter element 12 can be thoroughly cleaned in a double matching manner, and the cleaning quality is improved.
In order to improve the stability of the cleaning structure during movement; as shown in fig. 1-3 and 7, a guide rod 26 is fixed on the inner wall of the top of the filter housing 1 through a bolt, the outer wall of the guide rod 26 is in sliding fit with the inner wall of the cleaning structure, a limiting plate 21 is connected to the outer wall of the guide rod 26 in a sliding manner, and the inner wall of the limiting plate 21 is welded on the outer wall of the water absorption structure; a top cover 5 is fixed on the filter shell 1 through bolts; the transmission structure can be a gear and toothed belt transmission mode, a gear meshing transmission mode and the like, in the embodiment, the transmission structure is the gear and toothed belt transmission mode, the transmission structure comprises a motor 4, a conveyor belt 11 and gears 19 the number of which is the same as that of the adjusting columns 20, the outer wall of the bottom of the motor 4 is fixed on the outer wall of the top cover 5 through bolts, and a switch control end of the motor 4 is electrically connected with the control module; the top end of the gear 19 is rotatably connected to the inner wall of the top of the filter shell 1, the input end of one gear 19 is connected with the output end of the motor 4 through a coupler, and the bottom end of the gear 19 is connected with the top end of the adjusting column 20 through a bolt; the inner wall of the conveyor belt 11 is meshed with the outer wall of the gear 19. The starting motor 4 drives the adjusting column 20 to rotate through the transmission of the gear 19 and the conveyor belt 11, and then controls the cleaning structure to move up and down. When the clearance structure goes up and down, during the compression of header 22/lower header 25 in the extrusion, it slides on guide bar 26 through limiting plate 21, and then avoids upper header 22/lower header 25 atress to take place to warp, is convenient for improve the stability when clearance structure removes through guide bar 26 simultaneously.
The sewage after cleaning is convenient to treat; as shown in fig. 1, 2 and 5, the sewage discharging part comprises a sewage discharging pipe 9 fixed on the outer wall of the bottom of the filter shell 1 through a bolt, and a return pipe and a waste pipe welded on the outer wall of the circumference of the sewage discharging pipe 9, the waste pipe can be 5-degree inclined, so that the doped sulfuric acid liquid can be ensured to flow back into the return pipe while the filtered impurities are prevented from falling back, a return valve 8 is fixed on the outer wall of the return pipe through a bolt, and a sewage discharging valve 10 is fixed on the outer wall of the waste pipe through a bolt; a pressing plate 29 is hinged to the circumferential inner wall of the sewage discharge pipe 9, the same rubber torsion spring 28 is welded to the bottom outer wall of the pressing plate 29 and the circumferential inner wall of the sewage discharge pipe 9, a connecting roller set 30 is welded to the bottom outer wall of the pressing plate 29, the connecting roller set 30 consists of a long column and an elastic part, and a cleaning plate 31 is welded to the bottom end of the connecting roller set 30; the inner wall of the sewage draining pipe 9 and the inner wall of the waste material pipe are welded with the same filter plate 32. The sewage gathering that has impurity after the clearance is in the bottom of filter housing 1, open return valve 8 and blowoff valve 10, make sewage get into in the blow off pipe 9, after filter plate 32 filters, the impurity of reposition of redundant personnel gets into the waste pipe, and the sulphuric acid recovery liquid after the removal of impurity is collected through the back flow, and during sewage whereabouts, clamp plate 29 constantly extrudes rubber torsional spring 28 under the rivers gravity, thereby make clearance board 31 through connecting roller set 30 direction, constantly carry out automatic clearance to the surface of filter 32, be convenient for guarantee the efficiency of retrieving sulphuric acid liquid.
To facilitate detection of a change in differential pressure at the inlet/outlet of the filter housing 1; as shown in fig. 1, fig. 2 and fig. 7, a liquid inlet 3 is fixed to the circumferential outer wall of the filter housing 1 near the top end by a bolt, a liquid outlet 6 is fixed to the circumferential outer wall of the filter housing 1 near the bottom end by a bolt, and a discharge valve 14 is fixed to the outer wall of the liquid outlet 6 by a bolt; a pressure difference sensor 2 is fixed on the circumferential outer wall of the filter shell 1 through bolts, pressure ports of the pressure difference sensor 2 are respectively fixed on the inner walls of the liquid inlet 3 and the liquid outlet 6, a signal output end of the pressure difference sensor 2 is electrically connected with the control module, and the model of the pressure difference sensor 2 is SDP600 series; the inner walls of the sewage discharge pipe 9, the return pipe and the waste pipe and the outer wall of the adjusting column 20 are coated with anticorrosive layers. Leading into filter housing 1 with sulfuric acid liquid from inlet 3 in through filter core 12 filter back, open bleeder valve 14, and then derive the solution after filtering from liquid outlet 6 and use, differential pressure sensor 2 real-time detection inlet 3 and the pressure differential change of liquid outlet 6 to in time control motor 4 operation.
In the embodiment, when the sulfuric acid solution is introduced into the filter housing 1 from the liquid inlet 3, and passes through one or more filter elements 12 for filtration, the discharge valve 14 is opened, and then the filtered solution is led out from the liquid outlet 6 for use, the differential pressure sensor 2 detects the change of the differential pressure between the liquid inlet 3 and the liquid outlet 6 in real time, when the differential pressure is higher than a set threshold value, a signal is transmitted to the control module, which is electrically connected with the control motor 4 for starting, the adjusting column 20 rotates through the transmission of the gear 19 and the conveyor belt 11, and then the one-way plate 18 and the two-way plate 13 on the outer wall of the adjusting column are driven to move up and down, when the one-way plate 18 and the two-way plate 13 move up and down, the scraper 24 scrapes the outer surface of the filter element 12 comprehensively, and when the one-way plate 18 and the two-way plate 13 rise, the upper liquid collecting pipe 22 is squeezed to be compressed, so that the liquid in the inner part is ejected through the spray nozzle 23, and thus the surface of the filter element 12 is rapidly flushed, at this time, the lower liquid collecting tube 25 is stretched along with the rising of the one-way plate 18 and the two-way plate 13, so that negative pressure is generated inside the lower liquid collecting tube 25, liquid in the filter housing 1 is sucked through the liquid suction port 27 to enter the lower liquid collecting tube 25 for temporary storage, and when the cleaning structure is lifted and lowered, the upper liquid collecting tube 22/the lower liquid collecting tube 25 is extruded to slide on the guide rod 26 through the limiting plate 21 during compression, and further the upper liquid collecting tube 22/the lower liquid collecting tube 25 is prevented from being deformed due to stress. The sewage gathering that has impurity after the clearance is in the bottom of filter housing 1, open return valve 8 and blowoff valve 10, make sewage get into in the blow off pipe 9, after filter plate 32 filters, the impurity of reposition of redundant personnel gets into the waste pipe, and the sulphuric acid recovery liquid after the removal of impurity is collected through the back flow, and during sewage whereabouts, the clamp plate 29 constantly extrudes rubber torsional spring 28 under the rivers gravity, thereby make clearance board 31 through connecting roller set 30 direction, constantly carry out the automatic clearance to the surface of filter 32.
Example 2:
a self-cleaning filter for sulfuric acid production, as shown in FIGS. 2 and 6, for preventing excessive sulfuric acid liquid from settling in the bottom of a filter housing 1; the present embodiment is modified from embodiment 1 as follows: the outer wall of the bottom of the flow discharge plate 17 is hinged with two blocking plates 15, and the diameter of each blocking plate 15 is smaller than that of the flow discharge plate 17; two spouts 16 have been seted up to filter housing 1's bottom inner wall, one side inner wall of spout 16 has shore subassembly 34 through the bolt fastening, shore subassembly 34 can be the pneumatic cylinder, cylinder and electronic support spring etc, shore subassembly 34 extends the end and has sliding connection in the connecting portion of spout 16 inner wall through the bolt fastening, one side inner wall of connecting portion rotates through the pivot to be connected with the interlock arm 35 that is fixed in 15 bottom outer walls of baffler, 16 relative one side inner wall of spout all welds folded sheet 33, one side outer wall of folded sheet 33 welds in one side outer wall of connecting portion, connecting portion are concave seat. After the washing, start shore subassembly 34 and promote connecting portion and remove about in spout 16, and then through the inclination of the angle control baffler 15 one end of propping up of shrink interlock arm 35 for the sewage of gathering above the earial drainage board 17 flows down to filter housing 1 bottom, thereby avoids too much sulphuric acid liquid to subside in filter housing 1 bottom, saves later stage blowdown reposition of redundant personnel time.
After the washing, the embodiment starts the shore subassembly 34 and promotes connecting portion and remove about in spout 16, and then the inclination of the angle control baffler 15 one end of propping up through shrink interlock arm 35 for the sewage of gathering above the earial drainage board 17 flows down to filter housing 1 bottom, thereby avoids too much sulphuric acid liquid to subside in filter housing 1 bottom, saves later stage blowdown reposition of redundant personnel time.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (8)
1. An automatic cleaning filter for sulfuric acid production comprises a filter shell (1) fixedly connected to the outer wall of the top of a supporting seat (7), and is characterized in that the circumferential inner wall of the filter shell (1) is fixedly connected with a flow discharge plate (17); the inner wall of the top of the filter shell (1) is rotatably connected with an adjusting column (20), and the bottom end of the adjusting column (20) is rotatably connected with the outer wall of the top of the flow discharge plate (17); a cleaning part is arranged in the filter shell (1), the cleaning part consists of a transmission structure, a water absorption structure and a cleaning structure, the cleaning structure comprises a one-way plate (18) and a two-way plate (13) which are arranged on the outer wall of the adjusting column (20), the outer wall of one side of the one-way plate (18) and the outer walls of two sides of the two-way plate (13) are both fixedly connected with a spray head (23), and the outer wall of one side of the one-way plate (18) and the outer walls of two sides of the two-way plate (13) are both fixedly connected with a scraper (24); the water absorption structure comprises an upper liquid collecting pipe (22) fixedly connected to the inner wall of the top of the filter shell (1) and a lower liquid collecting pipe (25) fixedly connected to the outer wall of the top of the flow discharge plate (17), the outer wall of the upper liquid collecting pipe (22) close to the bottom end and the outer wall of the lower liquid collecting pipe (25) close to the bottom end are both fixedly connected with a liquid absorption port (27), and the outer wall of one side of the liquid absorption port (27) is fixedly connected with a one-way valve; the inner wall of the top of the filter shell (1) is fixedly connected with a filter element (12); the outer wall of the bottom of the filter shell (1) is fixedly connected with a sewage discharge part.
2. The automatic cleaning filter for sulfuric acid production according to claim 1, wherein the top inner wall of the filter housing (1) is fixedly connected with a guide rod (26), the outer wall of the guide rod (26) and the inner wall of the cleaning structure form a sliding fit, the outer wall of the guide rod (26) is slidably connected with a limiting plate (21), and the inner wall of the limiting plate (21) is fixedly connected with the outer wall of the water absorption structure.
3. The automatic cleaning filter for sulfuric acid production according to claim 2, wherein a top cover (5) is fixedly connected to the filter housing (1); the transmission structure comprises a motor (4), a conveyor belt (11) and gears (19) with the same number as the adjusting columns (20), and the outer wall of the bottom of the motor (4) is fixedly connected with the outer wall of the top cover (5); the top end of the gear (19) is rotatably connected to the inner wall of the top of the filter shell (1), the input end of the gear (19) is connected with the output end of the motor (4) through a coupler, and the bottom end of the gear (19) is connected with the top end of the adjusting column (20) through a bolt; the inner wall of the conveyor belt (11) is arranged on the outer wall of the gear (19).
4. The automatic cleaning filter for sulfuric acid production as claimed in claim 3, wherein the blowdown part comprises a blowdown pipe (9) fixedly connected to the outer wall of the bottom of the filter housing (1), and a return pipe and a waste pipe fixedly connected to the outer wall of the circumference of the blowdown pipe (9), the outer wall of the return pipe is fixedly connected with a return valve (8), and the outer wall of the waste pipe is fixedly connected with a blowdown valve (10).
5. The automatic cleaning filter for sulfuric acid production according to claim 4, wherein the circumferential inner wall of the sewage pipe (9) is provided with a pressing plate (29), the bottom outer wall of the pressing plate (29) and the circumferential inner wall of the sewage pipe (9) are fixedly connected with the same rubber torsion spring (28), the bottom outer wall of the pressing plate (29) is fixedly connected with a connecting roller set (30), the connecting roller set (30) consists of a long column and an elastic part, and the bottom end of the connecting roller set (30) is fixedly connected with a cleaning plate (31); the inner wall of the sewage draining pipe (9) and the inner wall of the waste pipe are fixedly connected with the same filter plate (32).
6. The automatic cleaning filter for sulfuric acid production according to claim 5, wherein the circumferential outer wall of the filter housing (1) near the top end is fixedly connected with a liquid inlet (3), the circumferential outer wall of the filter housing (1) near the bottom end is fixedly connected with a liquid outlet (6), and the outer wall of the liquid outlet (6) is fixedly connected with a discharge valve (14).
7. The automatic cleaning filter for sulfuric acid production according to claim 6, wherein the circumferential outer wall of the filter housing (1) is fixedly connected with a differential pressure sensor (2), and pressure ports of the differential pressure sensor (2) are respectively fixed on the inner walls of the liquid inlet (3) and the liquid outlet (6).
8. The automatic cleaning filter for sulfuric acid production according to claim 1, wherein the bottom outer wall of the flow discharge plate (17) is provided with a blocking plate (15); the filter shell comprises a filter shell body (1), and is characterized in that a sliding groove (16) is formed in the inner wall of the bottom of the filter shell body (1), a top support assembly (34) is fixedly connected to the inner wall of one side of the sliding groove (16), the extending end of the top support assembly (34) is fixedly connected with a connecting portion in sliding connection with the inner wall of the sliding groove (16), a linkage arm (35) fixed on the outer wall of the bottom of a blocking plate (15) is connected to the inner wall of one side of the connecting portion in a rotating mode through a rotating shaft, a folding plate (33) is fixedly connected to the inner wall of one side of the sliding groove (16) in an opposite mode, and the outer wall of one side of the folding plate (33) is fixedly connected to the outer wall of one side of the connecting portion.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111083179.8A CN113786654A (en) | 2021-09-15 | 2021-09-15 | Automatic cleaning filter for sulfuric acid production |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111083179.8A CN113786654A (en) | 2021-09-15 | 2021-09-15 | Automatic cleaning filter for sulfuric acid production |
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| CN113786654A true CN113786654A (en) | 2021-12-14 |
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| CN202111083179.8A Pending CN113786654A (en) | 2021-09-15 | 2021-09-15 | Automatic cleaning filter for sulfuric acid production |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114797205A (en) * | 2022-04-20 | 2022-07-29 | 烟台东洁环保机械工程有限公司 | Sewage treatment equipment capable of pre-deslagging and use method |
| CN117619149A (en) * | 2024-01-26 | 2024-03-01 | 江苏华诺泰生物医药科技有限公司 | Ultrafiltration mechanism for liquid preparation system |
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Application publication date: 20211214 |