CN108499173B - A kind of industrial sulphuric acid desulphurization system - Google Patents
A kind of industrial sulphuric acid desulphurization system Download PDFInfo
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- CN108499173B CN108499173B CN201810322947.2A CN201810322947A CN108499173B CN 108499173 B CN108499173 B CN 108499173B CN 201810322947 A CN201810322947 A CN 201810322947A CN 108499173 B CN108499173 B CN 108499173B
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- rotating cylinder
- sulfuric acid
- pressing block
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- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 title claims abstract description 103
- 235000011149 sulphuric acid Nutrition 0.000 title abstract description 13
- 239000001117 sulphuric acid Substances 0.000 title abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 120
- 238000001914 filtration Methods 0.000 claims abstract description 42
- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 18
- 230000023556 desulfurization Effects 0.000 claims abstract description 17
- 238000003825 pressing Methods 0.000 claims description 49
- 238000001125 extrusion Methods 0.000 claims description 38
- 238000006243 chemical reaction Methods 0.000 claims description 21
- 238000009434 installation Methods 0.000 claims description 14
- 239000000463 material Substances 0.000 claims description 8
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 5
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 5
- 241000283707 Capra Species 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 claims description 4
- 239000002699 waste material Substances 0.000 abstract description 25
- 238000000034 method Methods 0.000 abstract description 8
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 abstract description 7
- 229910052683 pyrite Inorganic materials 0.000 abstract description 7
- 239000011028 pyrite Substances 0.000 abstract description 7
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 2
- 239000007864 aqueous solution Substances 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract description 2
- 238000007906 compression Methods 0.000 abstract description 2
- 239000003546 flue gas Substances 0.000 abstract description 2
- 235000009854 Cucurbita moschata Nutrition 0.000 abstract 1
- 240000001980 Cucurbita pepo Species 0.000 abstract 1
- 235000009852 Cucurbita pepo Nutrition 0.000 abstract 1
- 241000196324 Embryophyta Species 0.000 abstract 1
- 238000010992 reflux Methods 0.000 abstract 1
- 235000020354 squash Nutrition 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000002893 slag Substances 0.000 description 11
- 238000005213 imbibition Methods 0.000 description 9
- 239000000428 dust Substances 0.000 description 8
- 239000002918 waste heat Substances 0.000 description 7
- 239000002253 acid Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 210000002268 wool Anatomy 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D24/00—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof
- B01D24/28—Filters comprising loose filtering material, i.e. filtering material without any binder between the individual particles or fibres thereof with the filter bed moving during the filtration
- B01D24/32—Rotation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Manufacture And Refinement Of Metals (AREA)
Abstract
The invention belongs to sulphuric acid plant field, specifically a kind of industrial sulphuric acid desulphurization system, the present invention includes reactor tank, filtering module, squeezes module and block unit；The top of filtering module is fixedly connected by No.1 rotating bar with the shaft of motor, and the lower end of filtering module is rotatably installed on the inner surface of reactor tank lower plate；Block unit with extruding module by cooperating for preventing the liquid reflux in filtering module；Block unit includes briquetting, connecting rod, and briquetting is fixed by the connecting rod the wall outer surface for being mounted on liquid supply pipe；Briquetting is for cooperating compression roller to squeeze filtering module, for the sulfuric acid liquid in filtering module to be discharged.Present invention is mainly used for the aqueous solutions to pyrite burning flue gas to carry out desulfurization process, can carry out squash type filtering to sulfuric acid waste, improve desulfuration efficiency.
Description
Technical Field
The invention belongs to the field of sulfuric acid production equipment, and particularly relates to an industrial sulfuric acid desulfurization system.
Background
In the process of preparing acid from pyrite, pyrite needs to be roasted in a roasting furnace, and in order to fully utilize waste heat, save energy and reduce consumption in the roasting process, a waste heat boiler and a steam turbine are generally arranged for power generation so as to realize the co-production of acid, heat and electricity. In the process of preparing acid from pyrite, a large amount of waste residues are generated by a roasting furnace and a waste heat boiler, and solid waste, namely high-temperature roasting slag generated in the process of preparing acid from pyrite is always a difficult problem which troubles the production management, field management and environmental protection comprehensive treatment of enterprises, and the main reason is that the temperature of the roasting slag generated by the roasting furnace and the waste heat boiler is high (850 ℃ -1100 ℃), the granularity is fine (200 meshes-500 meshes), most of the original treatment modes are hydraulic slag flushing modes or direct water spraying humidification on the slag, so that dust and multiple pollution of water, steam and dust on the production field are caused, and the corrosion on field equipment is very serious due to more acidic substances in the water, the steam and the dust, so that the environment is greatly polluted. And because the high-temperature slag is directly sprayed with water or flushed with water, a large amount of water resources are wasted, water sources are polluted, and if the high-temperature slag is subjected to water treatment, the investment cost is high, so that a large amount of heat is lost. The slag after hydraulic slag flushing or water spraying humidification needs to be dried if the slag needs to be reused, and the drying treatment investment cost is high; meanwhile, the separation of sulfuric acid by a water absorption method often causes the problems of low sulfuric acid liquid purification efficiency, low waste residue recovery rate and the like because of no proper device.
The technical scheme of separating sulfuric acid impurities also appears in the prior art, for example, a Chinese patent with application number of 201210131455.8 discloses a method for recovering slag heat in pyrite acid making and an equipment system for realizing the method, high-temperature dust-containing gas discharged from a roasting furnace is subjected to heat exchange and dust collection by a waste heat boiler, then is discharged, is subjected to dust collection by a cyclone separator and an electric dust collector in sequence, high-temperature ash discharged from the roasting furnace and the waste heat boiler is cooled by a first high-temperature material cooler, high-temperature ash discharged from the cyclone separator and the electric dust collector is cooled by a second high-temperature material cooler, the cooled ash is conveyed to a destination by a closed conveying device for recycling, and cooling water heated by the high-temperature material cooler directly enters a waste heat boiler deoxidation water replenishing system to achieve the purpose of heat recovery. Although the technical scheme can reduce pollution caused by sulfuric acid slag discharge, the technical scheme cannot effectively filter impurities; meanwhile, the technical scheme can not separate sulfuric acid solution from impurities; so that the use of the invention is limited.
Disclosure of Invention
In order to make up for the defects of the prior art, the invention provides an industrial sulfuric acid desulfurization system which is mainly used for desulfurizing an aqueous solution of pyrite roasting flue gas and can be used for carrying out extrusion type filtration on sulfuric acid waste liquid. The invention improves the filtration efficiency of the sulfuric acid waste liquid by matching the extrusion module and the filtration module, and simultaneously, the invention prevents the liquid in the filtration module from flowing back by matching the shielding unit and the extrusion module, thereby improving the desulfurization efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention provides an industrial sulfuric acid desulfurization system, which comprises a reaction tank, a filtering module, an extrusion module and a shielding unit, wherein the filtering module is arranged in the reaction tank; the top end of the filter module is fixedly connected with a rotating shaft of the motor through a first rotating rod, and the lower end of the filter module is rotatably arranged on the inner surface of the lower bottom plate of the reaction tank; the extrusion module is used for extruding the surface of the filter module to discharge liquid in the filter module, and the shielding unit is matched with the extrusion module to prevent the liquid in the filter module from flowing back; the bottom of the side surface of the reaction tank is provided with a first liquid outlet, the center of the lower bottom plate of the reaction tank is provided with a first liquid inlet, and the lower bottom plate of the reaction tank is provided with a first discharge outlet; a liquid supply pipe is arranged in the filtering module, and a second liquid inlet is formed in the surface of the liquid supply pipe; the liquid supply pipe is used for being matched with a liquid inlet;
the shielding unit comprises a pressing block and a connecting rod, and the pressing block is fixedly arranged on the outer surface of the side wall of the liquid supply pipe through the connecting rod; the pressing block is used for being matched with the extrusion roller; the cross-sectional shape of one side of the side wall of the pressing block, which is in contact with the inner wall of the rotating cylinder, and the clockwise edge of the side wall of the pressing block is in a quarter arc shape, so that the liquid suction unit can be smoothly in contact with the pressing block, the friction force between the liquid suction unit and the pressing block is reduced, and the service life of the liquid suction unit is prolonged.
Sulphuric acid waste liquid flows into the feed pipe through a inlet in, and sulphuric acid waste liquid in the feed pipe flows into the inside of filtering filter module through No. two inlets, and filter module filters sulphuric acid waste liquid through with the extrusion module, shelter from the unit cooperation, and sulphuric acid liquid after the filtration flows into the retort, and sulphuric acid liquid is collected through a liquid outlet.
Preferably, a through hole is formed in the pressing block and is used for preventing negative pressure from being formed between the pressing block and the inner wall of the rotating cylinder; the imbibition unit is under the combined action of squeeze roll and pressing the briquetting, the volume of imbibition unit reduces, when squeeze roll and imbibition unit break away from, imbibition unit and pressing the briquetting form negative pressure between the briquetting, thus the frictional force between imbibition unit and the pressing the briquetting increases, through hole set up in pressing the briquetting is used for making sulfuric acid liquid in the rotating cylinder flow into the nip between imbibition unit and the pressing the briquetting, thus reduce the negative pressure between pressing the briquetting and imbibition unit, and then has improved the filtration efficiency to sulfuric acid waste liquid of the invention.
Preferably, a section of the inner wall of the rotating cylinder, which is positioned between two adjacent second openings, is in a bridge arch shape; when the pressing block is separated from the liquid suction unit, the pressing block is not in contact with the inner wall of the rotating cylinder, so that the friction force between the pressing block and the inner wall of the rotating cylinder is reduced, and the service life of the pressing block is prolonged.
Preferably, the filtering module comprises a rotating plate, a rotating cylinder and a liquid absorption unit, the rotating plate is used for driving the rotating cylinder to rotate, a second opening is formed in the rotating cylinder, the liquid absorption unit is arranged in the second opening, and the liquid absorption unit is used for absorbing and storing liquid in the rotating cylinder;
preferably, the liquid suction unit is one of a goat hair brush and a sponge block, and the sponge block is made of polyvinyl alcohol material; when the liquid absorption unit is a wool brush or a sponge block, the liquid absorption unit can filter and separate the sulfuric acid waste liquid in the rotating cylinder; the sponge block is made of polyvinyl alcohol materials, and can be made to have the advantages of being high in water absorption and free of obvious pores on the surface, so that the amount of filter residues on the surface of the sponge block is reduced, and the sponge block can be used for filtering the sulfuric acid waste liquid continuously and stably.
Preferably, the sponge block is positioned on the outer layer of the rotating cylinder, the cross section of the sponge block is in a clockwise parabolic shape, and when the rotating cylinder rotates anticlockwise, the extrusion module can smoothly extrude the sponge block, so that sulfuric acid liquid in the sponge block can be fully filtered; a first groove with a semicircular section is formed in the side surface in the clockwise direction in the sponge block and is used for facilitating compression of the sponge block, so that the extrusion efficiency of the extrusion module on the sponge block is improved, and the filtration efficiency of the sulfuric acid waste liquid is improved.
Preferably, the extrusion module comprises an installation cover, an extrusion roller, a sliding telescopic rod and a spring, wherein the installation cover is fixedly installed on the inner wall of the reaction tank through the sliding telescopic rod, and the spring is sleeved on the outer layer of the sliding telescopic rod; the squeeze roll rotates through No. two dwang and installs the inside at the installation cover, be equipped with the cross-section on the lateral wall of squeeze roll and be No. two circular grooves of convex, be equipped with hemisphere type groove on the installation cover inner wall, be equipped with the ball between hemisphere type groove and No. two circular grooves. The ball is used for producing the effort between the inner wall that makes squeeze roll and installation cover to reduce the wearing and tearing of No. two dwangs, and then improved the life of extrusion module.
The invention has the beneficial effects that:
1. the invention relates to an industrial sulfuric acid desulfurization system, which comprises a reaction tank, a filtering module, an extrusion module and a shielding unit, wherein the filtering module is arranged in the reaction tank; the filtering module is used for filtering and separating the sulfuric acid waste liquid, the extrusion module is matched with the filtering module to improve the filtering efficiency of the filtering module on the sulfuric acid waste liquid, and the shielding unit is used for preventing the sulfuric acid liquid in the filtering module from flowing back, so that the filtering efficiency of the sulfuric acid waste liquid filtering device is improved.
2. According to the industrial sulfuric acid desulfurization system, the shielding unit comprises the pressing block and the connecting rod, the cross section of one side of the side wall of the pressing block, which is in contact with the inner wall of the rotating cylinder, at the clockwise edge of the side wall of the pressing block is in a quarter-arc shape, so that the liquid absorption unit can be smoothly in contact with the pressing block, the friction force between the liquid absorption unit and the pressing block is reduced, and the desulfurization efficiency of the industrial sulfuric acid desulfurization system is improved.
3. The industrial sulfuric acid desulfurization system comprises a filtering module, a filter module and a desulfurization module, wherein the filtering module comprises a rotating plate, a rotating cylinder and a liquid absorption unit, a motor drives the rotating cylinder to rotate through the rotating plate, and the liquid absorption unit discharges sulfuric acid liquid in the rotating cylinder; the liquid absorption unit is one of a goat hair brush and a sponge block and is used for fully absorbing the sulfuric acid liquid in the rotating cylinder; when the imbibition unit adopted the sponge piece, the outer position of sponge piece was parabola shape for make extrusion module can be smooth extrude the sponge piece, thereby prevent to take place the striking between extrusion module and the sponge piece, and then improved the life of sponge piece.
4. The invention relates to an industrial sulfuric acid desulfurization system, wherein an extrusion module comprises an installation cover, an extrusion roller, a sliding telescopic rod and a spring, wherein the extrusion roller is used for extruding a liquid absorption unit; the mounting cover, the sliding telescopic rod and the spring are used for fixing the extrusion roller; be equipped with hemisphere type groove on the inner wall that is equipped with No. two ring grooves, installation cover on the lateral wall of squeeze roll, be provided with the ball between No. two ring grooves and the hemisphere type groove to make and produce the effort between the inner wall of squeeze roll and installation cover, be used for reducing the atress of No. two dwangs, and then improved the life of No. two dwangs.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
in the figure: retort 1, filter module 2, extrusion module 3, shelter from unit 4, dwang 21, a liquid outlet 11, inlet 12, discharge gate 13, feed pipe 26, No. two inlet 211, rotor plate 22, rotate drum 23, imbibition unit 24, No. two openings 25, sponge piece 241, a recess 242, installing cover 31, squeeze roll 32, slip telescopic link 33, No. two dwang 34, No. two ring grooves 35, ball 36, press a briquetting 41, connecting rod 42, through-hole 411.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 3, the industrial sulfuric acid desulfurization system according to the present invention includes a reaction tank 1, a filtering module 2, an extruding module 3, and a shielding unit 4; the top end of the filter module 2 is fixedly connected with a rotating shaft of the motor through a first rotating rod 21, and the lower end of the filter module 2 is rotatably arranged on the inner surface of the lower bottom plate of the reaction tank 1; the extrusion module 3 extrudes the surface of the filter module 2 to discharge the liquid in the filter module 2, and the shielding unit 4 is matched with the extrusion module 3 to prevent the liquid in the filter module 2 from flowing back; a first liquid outlet 11 is formed in the bottom of the side surface of the reaction tank 1, a first liquid inlet 12 is formed in the center of a lower bottom plate of the reaction tank 1, and a first discharge outlet 13 is formed in the lower bottom plate of the reaction tank 1; a liquid supply pipe 26 is arranged inside the filtering module 2, and a second liquid inlet 211 is arranged on the surface of the liquid supply pipe 26; the liquid supply pipe 26 is used for matching with a liquid inlet 12;
the filtering module 2 comprises a rotating plate 22, a rotating cylinder 23 and a liquid absorption unit 24, wherein the rotating plate 22 is used for driving the rotating cylinder 23 to rotate, a second opening 25 is formed in the rotating cylinder 23, the liquid absorption unit 24 is arranged in the second opening 25, and the liquid absorption unit 24 is used for absorbing and storing liquid in the rotating cylinder 23;
sulphuric acid waste liquid flows into feed pipe 26 through a inlet 12 in, and sulphuric acid waste liquid in the feed pipe 26 flows into the inside of filtering filter module 2 through No. two inlet 211, and filter module 2 filters sulphuric acid waste liquid through cooperating with extrusion module 3, sheltering from unit 4, and sulphuric acid liquid after the filtration flows into retort 1, and sulphuric acid liquid is collected through a liquid outlet 11.
As an embodiment of the present invention, the liquid suction unit 24 is one of a goat hair brush and a sponge block 241, and the sponge block 241 is made of polyvinyl alcohol material; when the liquid absorption unit 24 is a wool brush or a sponge block 241, the liquid absorption unit 24 can filter and separate the sulfuric acid waste liquid in the rotating cylinder 23; the sponge block 241 is made of polyvinyl alcohol materials, and the sponge block 241 has the advantages of being high in water absorption and free of obvious air holes in the surface, so that the amount of filter residues on the surface of the sponge block 241 is reduced, and the sulfuric acid waste liquid can be continuously and stably filtered by the sponge block 241.
As an embodiment of the present invention, the sponge block 241 is located at the outer layer of the rotating cylinder 23, and the cross-sectional shape thereof is a parabolic shape in the clockwise direction, and when the rotating cylinder 23 rotates counterclockwise, the extrusion module 3 can smoothly extrude the sponge block 241, so that the sulfuric acid liquid in the sponge block 241 can be fully filtered; the first groove 242 with the semicircular section is formed in the side surface of the sponge block 241 in the clockwise direction, and the first groove 242 is used for enabling the sponge block 241 to be compressed conveniently, so that the extrusion efficiency of the extrusion module 3 on the sponge block 241 is improved, and the filtration efficiency of the sulfuric acid waste liquid is improved.
As an embodiment of the present invention, the extrusion module 3 includes a mounting cover 31, an extrusion roller 32, a sliding telescopic rod 33 and a spring, the mounting cover 31 is fixedly mounted on the inner wall of the reaction tank 1 through the sliding telescopic rod 33, and the spring is sleeved on the outer layer of the sliding telescopic rod 33; squeeze roll 32 rotates through No. two dwang 34 and installs the inside at installation cover 31, be equipped with No. two circular grooves 35 that the cross-section is convex on squeeze roll 32's the lateral wall, be equipped with hemisphere type groove on the installation cover 31 inner wall, be equipped with ball 36 between hemisphere type groove and No. two circular grooves 35. The balls 36 are used to generate an acting force between the squeeze roller 32 and the inner wall of the mounting cover 31, thereby reducing the wear of the second rotating rod 34 and further improving the service life of the squeeze module 3.
In an embodiment of the present invention, the shielding unit 4 includes a pressing block 41 and a connecting rod 42, the pressing block 41 is fixedly mounted on the outer surface of the sidewall of the liquid supply tube 26 through the connecting rod 42; the pressing block 41 is used for matching with the extrusion roller 32; the cross-sectional shape of the side wall of the pressing block 41 that contacts the inner wall of the rotating cylinder 23 and the clockwise edge thereof is a quarter circular arc shape for enabling the liquid suction unit 24 to smoothly contact the pressing block 41, thereby reducing the frictional force between the liquid suction unit 24 and the pressing block 41 and further improving the service life of the liquid suction unit 24.
As an embodiment of the present invention, the pressing block 41 is provided with a through hole 411 therein, and the through hole 411 is used for preventing negative pressure from being formed between the pressing block 41 and the inner wall of the rotating cylinder 23; the volume of the liquid absorption unit 24 is reduced under the combined action of the squeezing roller 32 and the pressing block 41 of the liquid absorption unit 24, when the squeezing roller 32 is separated from the liquid absorption unit 24, negative pressure is formed between the liquid absorption unit 24 and the pressing block 41, so that the friction force between the liquid absorption unit 24 and the pressing block 41 is increased, and the through hole 411 arranged in the pressing block 41 is used for enabling sulfuric acid liquid in the rotating cylinder 23 to flow into a gap between the liquid absorption unit 24 and the pressing block 41, so that the negative pressure between the pressing block 41 and the liquid absorption unit 24 is reduced, and the filtering efficiency of sulfuric acid waste liquid is improved.
As an embodiment of the present invention, a section of the inner wall of the rotating cylinder 23 between two adjacent second openings 25 has a bridge-arch shape in cross section; when the pressing block 41 is separated from the liquid suction unit 24, the pressing block 41 is not in contact with the inner wall of the rotating cylinder 23 for reducing the frictional force between the pressing block 41 and the inner wall of the rotating cylinder 23, thereby improving the service life of the pressing block 41.
When the device works, the sulfuric acid waste liquid flows into the liquid supply pipe 26 through the first liquid inlet 12, the sulfuric acid waste liquid in the liquid supply pipe 26 flows into the rotating cylinder 23 through the second liquid inlet 211, and the second liquid absorption unit 24 absorbs the sulfuric acid waste liquid; the motor drives the rotating cylinder 23 to rotate through the first rotating rod 21, and the squeezing roller 32 is matched with the pressing block 41 to squeeze the second liquid suction unit 24; then sulfuric acid liquid in the second liquid absorption unit 24 is collected through the first liquid outlet 11; finally, the first discharge port 13 is opened, and the suction pump discharges and collects the residue in the rotary cylinder 23.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (3)
1. An industrial sulfuric acid desulfurization system, which is characterized in that: comprises a reaction tank (1), a filtering module (2), an extrusion module (3) and a shielding unit (4); the top end of the filter module (2) is fixedly connected with a rotating shaft of the motor through a first rotating rod (21), and the lower end of the filter module (2) is rotatably arranged on the inner surface of the lower bottom plate of the reaction tank (1); the extrusion module (3) is used for extruding the surface of the filter module (2) to discharge liquid in the filter module (2), and the shielding unit (4) is matched with the extrusion module (3) to prevent the liquid in the filter module (2) from flowing back; a first liquid outlet (11) is formed in the bottom of the side surface of the reaction tank (1), a first liquid inlet (12) is formed in the center of a lower bottom plate of the reaction tank (1), and a first discharge outlet (13) is formed in the lower bottom plate of the reaction tank (1); a liquid supply pipe (26) is arranged inside the filtering module (2), and a second liquid inlet (211) is formed in the surface of the liquid supply pipe (26); the liquid supply pipe (26) is used for being matched with a liquid inlet (12); wherein,
the shielding unit (4) comprises a pressing block (41) and a connecting rod (42), and the pressing block (41) is fixedly arranged on the outer surface of the side wall of the liquid supply pipe (26) through the connecting rod (42); the pressing block (41) is used for being matched with the extrusion roller (32) for use; the section of one side of the side wall of the pressing block (41) which is contacted with the inner wall of the rotating cylinder (23) and the clockwise edge of the side wall is in a quarter-arc shape; a through hole (411) is formed in the pressing block (41), and the through hole (411) is used for preventing negative pressure from being formed between the pressing block (41) and the inner wall of the rotating cylinder (23); the section of the inner wall of the rotating cylinder (23) between two adjacent second openings (25) is in a bridge arch shape; the filtering module (2) comprises a rotating plate (22), a rotating cylinder (23) and a liquid suction unit (24), the rotating plate (22) is used for driving the rotating cylinder (23) to rotate, a second opening (25) is formed in the rotating cylinder (23), the liquid suction unit (24) is arranged in the second opening (25), and the liquid suction unit (24) is used for absorbing and storing liquid in the rotating cylinder (23);
the extrusion module (3) comprises an installation cover (31), an extrusion roller (32), a sliding telescopic rod (33) and a spring, wherein the installation cover (31) is fixedly installed on the inner wall of the reaction tank (1) through the sliding telescopic rod (33), and the spring is sleeved on the outer layer of the sliding telescopic rod (33); squeeze roll (32) rotate through No. two dwang (34) and install the inside at installation cover (31), be equipped with No. two ring grooves (35) that the cross-section is convex on the lateral wall of squeeze roll (32), be equipped with hemisphere type groove on installation cover (31) inner wall, be equipped with ball (36) between hemisphere type groove and No. two ring grooves (35).
2. The industrial sulfuric acid desulfurization system of claim 1, characterized in that: the liquid suction unit (24) is one of a goat hair brush and a sponge block (241), and the sponge block (241) is made of polyvinyl alcohol materials.
3. The industrial sulfuric acid desulfurization system of claim 2, characterized in that: the sponge block (241) is positioned at the outer layer of the rotating cylinder (23), and the cross section of the sponge block is in a parabola shape in the clockwise direction; a first groove (242) with a semicircular section is formed in the side surface of the sponge block (241) in the clockwise direction.
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| CN201810322947.2A CN108499173B (en) | 2018-04-11 | 2018-04-11 | A kind of industrial sulphuric acid desulphurization system |
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| CN201810322947.2A CN108499173B (en) | 2018-04-11 | 2018-04-11 | A kind of industrial sulphuric acid desulphurization system |
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| CN109652641B (en) * | 2018-11-19 | 2020-05-05 | 北京汉唐环保科技股份有限公司 | Ilmenite cleaning device |
| CN113174719A (en) * | 2021-04-28 | 2021-07-27 | 凌珑 | Automatic change water-saving printing and dyeing system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104128045A (en) * | 2014-07-15 | 2014-11-05 | 蔡子辉 | Solid-liquid separating device and separating method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104128045A (en) * | 2014-07-15 | 2014-11-05 | 蔡子辉 | Solid-liquid separating device and separating method |
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