CN108394871A - A kind of industrial sulphuric acid solid-liquid separation system - Google Patents

A kind of industrial sulphuric acid solid-liquid separation system Download PDF

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Publication number
CN108394871A
CN108394871A CN201810322942.XA CN201810322942A CN108394871A CN 108394871 A CN108394871 A CN 108394871A CN 201810322942 A CN201810322942 A CN 201810322942A CN 108394871 A CN108394871 A CN 108394871A
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retort
module
filtering module
liquid
sulphuric acid
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CN201810322942.XA
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CN108394871B (en
Inventor
杨大鹏
韩涛
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Hunan Hengguang Technology Co., Ltd.
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杨大鹏
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    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B17/00Sulfur; Compounds thereof
    • C01B17/69Sulfur trioxide; Sulfuric acid
    • C01B17/90Separation; Purification
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D36/00Filter circuits or combinations of filters with other separating devices

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Centrifugal Separators (AREA)

Abstract

The invention belongs to sulphuric acid plant field, specifically a kind of industrial sulphuric acid solid-liquid separation system, the present invention includes retort, filtering module and extruding module;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 retort lower plate;Module is squeezed to realize filter module liquid discharge in the block by squeezing filtering module surface;The side surface bottom of retort is equipped with No.1 liquid outlet, and retort lower plate center is equipped with No.1 inlet, and retort lower plate is equipped with No.1 discharge port.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

A kind of industrial sulphuric acid solid-liquid separation system
Technical field
The invention belongs to sulphuric acid plant field, specifically a kind of industrial sulphuric acid solid-liquid separation system.
Background technology
During pyrite-based sulfuric acid production, need to by troilite in roasting kiln roasting, in order to make full use of waste heat in roasting process, It is energy-saving, waste heat boiler and steam turbine power generation are generally set, to realize the coproduction of acid, heat, electricity.In pyrite-based sulfuric acid production process In, since roaster and waste heat boiler generate a large amount of waste residue, solid waste, that is, high-temperature roasting slag that pyrite-based sulfuric acid production generates Always perplex enterprise production management, field management and environmental protection comprehensive treatment problem, main cause is roaster and remaining The fired slags temperature of heat boiler institute output is high (850 DEG C -1100 DEG C), and fine size (- 500 mesh of 200 mesh), original processing mode is big Mostly hydraulic discharged slag formula or slag is directly carried out water leaching humidification, cause production scene airborne dust and the multiple pollution of water, vapour, dirt, because water, Vapour, dirt middle acid substance are more, very serious to the corrosion of field device, and prodigious pollution is caused to environment.And due to height Warm slag directly carries out water drenching or hydraulic discharged slag causes a large amount of water resource waste, and polluted source, if carrying out water process, input is taken With high, lead to a large amount of heat losses.If desired slag after hydraulic discharged slag or water leaching humidification is re-used and must be carried out Drying and processing, drying and processing input cost are high;Meanwhile water absorption method detaches sulfuric acid often because without suitable device, And cause sulfuric acid liquid purification efficiency low, the problems such as waste residue rate of recovery is low.
Also occur in the prior art sulfuric acid impurity separation technical solution, such as application No. is 201210131455.8 one Chinese patent discloses a kind of pyrite-based sulfuric acid production deslagging heat recovery method and realizes the device systems of this method, roaster discharge High-temperature dusty gas through residual heat boiler for exchanging heat, gather dust after be discharged, gather dust successively through cyclone separator and electric precipitator, roaster And the high-temperature ash of waste heat boiler discharge is cooled down through the first high temperature material cooling apparatus, while being arranged by cyclone separator and electric precipitator The high-temperature ash gone out is cooled down through the second high temperature material cooling apparatus, and lime-ash after cooling is delivered to destination by closed conveying device For recycling, while the cooling water heated through high temperature material cooling apparatus is directly entered waste heat boiler deoxidation water charging system, reaches heat Amount recycling purpose.Although the technical solution, which can be realized, reduces the pollution that sulfuric acid residue is brought, which can not Impurity is effectively filtered;The technical solution cannot detach sulfuric acid liquid and impurity simultaneously;So that the use of the invention It is restricted.
Invention content
In order to make up for the deficiencies of the prior art, the present invention proposes a kind of industrial sulphuric acid solid-liquid separation system, master of the present invention It is used to carry out desulfurization process to the aqueous solution of pyrite burning flue gas, squash type filtering can be carried out to sulfuric acid waste.This hair The bright filter efficiency for improving the present invention to sulfuric acid waste by squeezing module with filtering module cooperation;Meanwhile the present invention passes through Mounting cup and ball, compression roller coordinate to improve the service life for squeezing module;Improve desulfuration efficiency.
The technical solution adopted by the present invention to solve the technical problems is:The present invention proposes a kind of industrial sulphuric acid solid-liquid point From system, including retort, filtering module and extruding module;The top of the filtering module passes through No.1 rotating bar and motor Shaft is fixedly connected, and the lower end of filtering module is rotatably installed on the inner surface of retort lower plate;The extruding module passes through Filtering module surface is squeezed to realize filter module liquid discharge in the block;The side surface bottom of the retort is equipped with No.1 liquid outlet, retort lower plate center are equipped with No.1 inlet, and retort lower plate is equipped with No.1 discharge port;The mistake It filters inside modules and is equipped with liquid supply pipe, the surface of liquid supply pipe is equipped with No. two inlets;The liquid supply pipe is for coordinating No.1 inlet It uses;
The filtering module includes rotor plate, rotating cylinder and imbibition unit, and the rotor plate is for driving rotating cylinder Rotation is equipped with No. two openings in the rotating cylinder, imbibition unit is equipped in No. two openings, the imbibition unit is used for will Liquid inside rotating cylinder carries out absorption storage;
Sulfuric acid waste is flowed by No.1 inlet in liquid supply pipe, and the sulfuric acid waste in liquid supply pipe passes through No. two inlets It is flowed into the inside of Filtration Filtration module, filtering module is filtered by being filtered to sulfuric acid waste with module cooperation is squeezed Sulfuric acid liquid afterwards is flowed into retort, and sulfuric acid liquid is collected by No.1 liquid outlet.
Preferably, the imbibition unit is wool brush, sponge one kind in the block, and the sponge block uses polyvinyl alcohol material Material;When imbibition unit is wool brush or sponge block, imbibition unit can be filtered the sulfuric acid waste inside rotating cylinder Separation;The sponge block uses polyvinyl alcohol material, and sponge block can be made to have the spy of high-hydroscopicity, surface without apparent stomata Point to reduce the filter residue amount on sponge block surface, and then can make sponge block is continual and steady to be filtered to sulfuric acid waste.
Preferably, it is clockwise throwing positioned at the position of rotating cylinder outer layer, its cross sectional shape in the sponge block Object is linear, and when rotating cylinder rotates counterclockwise, squeezing module smooth can squeeze sponge block, to make in sponge block Sulfuric acid liquid energy enough fully filtered;It is semicircular No.1 that clockwise side surface, which is equipped with section, in the sponge block Groove, No.1 groove squeeze module to the extruding efficiency of sponge block, Jin Erti for making sponge block convenient for compression, to improve High filter efficiency of the present invention to sulfuric acid waste.
Preferably, the extruding module includes mounting cup, compression roller, sliding extension bar and spring, and the mounting cup passes through Sliding extension bar is fixedly mounted on the inner wall of retort, the outer layer of sliding extension bar is cased with spring;The compression roller passes through two Number rotating bar is rotatably installed in the inside of mounting cup, and it is No. two arc-shaped annulus that the side wall of the compression roller, which is equipped with section, Slot, the mounting cup inner wall are equipped with hemisphere type groove, and ball is equipped between the hemisphere type groove and No. two annular grooves.The ball For making to act power between compression roller and the inner wall of mounting cup, to reduce the abrasion of No. two rotating bars, and then improve Squeeze the service life of module.
The beneficial effects of the invention are as follows:
1. a kind of industrial sulphuric acid solid-liquid separation system of the present invention, the present invention include retort, filtering module With extruding module;The filtering module is used to be filtered separation to sulfuric acid waste, the extruding module by with filtering module Coordinate to improve filter efficiency of the filtering module to sulfuric acid waste, to improve the filter efficiency of the present invention.
2. a kind of industrial sulphuric acid solid-liquid separation system of the present invention, the filtering module includes rotor plate, rotation circle Cylinder and imbibition unit, motor drives rotating cylinder to rotate by rotor plate, and imbibition unit is by the sulfuric acid liquid inside rotating cylinder Discharge;Imbibition unit is wool brush, sponge one kind in the block, for enable imbibition unit to the sulfate liquid of rotating cylinder into Row fully absorbs;When imbibition unit uses sponge block, the outer layer position of sponge block is parabola shaped, for enabling extruding module It is enough smooth that sponge block is squeezed, it is hit to prevent from squeezing between module and sponge block, and then improve sponge The service life of block.
3. a kind of industrial sulphuric acid solid-liquid separation system of the present invention, the extruding module include mounting cup, compression roller, Sliding extension bar and spring, compression roller is for squeezing imbibition unit;Mounting cup and sliding extension bar, spring are used for squeezing Pressure roller is fixed;The side wall of the compression roller is equipped with No. two annular grooves, the inner wall of mounting cup is equipped with hemisphere type groove, described It is provided with ball between No. two annular grooves and hemisphere type groove, to make to act power between compression roller and the inner wall of mounting cup, Stress for reducing No. two rotating bars, and then improve the service life of No. two rotating bars.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings.
Fig. 1 is the sectional view of the present invention;
Fig. 2 is A-A sectional views in Fig. 1;
Fig. 3 is B partial enlarged views in Fig. 1;
In figure:Retort 1, squeezes module 3, No.1 rotating bar 21, No.1 liquid outlet 11, No.1 inlet at filtering module 2 12, No.1 discharge port 13,26, No. two inlets 211 of liquid supply pipe, rotor plate 22, rotating cylinder 23, imbibition unit 24, two are opened Mouth 25, sponge block 241, No.1 groove 242, mounting cup 31, compression roller 32, the circle of rotating bar 34, two of sliding extension bar 33, two Annular groove 35, ball 36.
Specific implementation mode
In order to make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, tie below Specific implementation mode is closed, the present invention is further explained.
As shown in Figure 1 to Figure 3, a kind of industrial sulphuric acid solid-liquid separation system of the present invention, including retort 1, filtering Module 2 and extruding module 3;The top of the filtering module 2 is fixedly connected by No.1 rotating bar 21 with the shaft of motor, filtering The lower end of module 2 is rotatably installed on the inner surface of 1 lower plate of retort;The extruding module 3 is by 2 surface of filtering module It is squeezed to realize the liquid discharge in filtering module 2;The side surface bottom of the retort 1 is equipped with No.1 liquid outlet 11,1 lower plate center of retort is equipped with No.1 inlet 12, and 1 lower plate of retort is equipped with No.1 discharge port 13;The filtering Module 2 is internally provided with liquid supply pipe 26, and the surface of liquid supply pipe 26 is equipped with No. two inlets 211;The liquid supply pipe 26 is used for unification Number inlet 12 uses;
The filtering module 2 includes rotor plate 22, rotating cylinder 23 and imbibition unit 24, and the rotor plate 22 is for driving 23 rotation of rotating cylinder is equipped with No. two openings 25 in the rotating cylinder 23, imbibition unit 24 is equipped in No. two openings 25, The imbibition unit 24 is used to the liquid inside rotating cylinder 23 carrying out absorption storage;
Sulfuric acid waste is flowed by No.1 inlet 12 in liquid supply pipe 26, and the sulfuric acid waste in liquid supply pipe 26 passes through No. two Inlet 211 is flowed into the inside of Filtration Filtration module 2, filtering module 2 by with squeeze the cooperation of module 3 come to sulfuric acid waste into Row filtering, filtered sulfuric acid liquid are flowed into retort 1, and sulfuric acid liquid is collected by No.1 liquid outlet 11.
As one embodiment of the present invention, the imbibition unit 24 is one kind in wool brush, sponge block 241, institute It states sponge block 241 and uses polyvinyl alcohol material;When imbibition unit 24 is wool brush or sponge block 241, imbibition unit 24 can Separation is filtered to the sulfuric acid waste inside rotating cylinder 23;The sponge block 241 uses polyvinyl alcohol material, can make Sponge block 241 has the characteristics that high-hydroscopicity, surface without apparent stomata, to reduce the filter residue amount on 241 surface of sponge block, into And it can make sponge block 241 is continual and steady to be filtered to sulfuric acid waste.
As one embodiment of the present invention, positioned at the position of 23 outer layer of rotating cylinder, its section in the sponge block 241 Face shape is clockwise parabola shaped, when rotating cylinder 23 rotates counterclockwise, squeeze that module 3 can be smooth to sponge Block 241 is squeezed, to make the sulfuric acid liquid energy in sponge block 241 is enough fully to be filtered;It is square clockwise in the sponge block 241 To side surface be equipped with section be semicircular No.1 groove 242, No.1 groove 242 for make sponge block 241 convenient for compression, To improve the extruding efficiency for squeezing module 3 to sponge block 241, and then improves the present invention and the filtering of sulfuric acid waste is imitated Rate.
As one embodiment of the present invention, the extruding module 3 includes mounting cup 31, compression roller 32, sliding extension Bar 33 and spring, the mounting cup 31 is fixedly mounted on by sliding extension bar 33 on the inner wall of retort 1, sliding extension bar 33 Outer layer be cased with spring;The compression roller 32 is rotatably installed in the inside of mounting cup 31, the extruding by No. two rotating bars 34 It is No. two arc-shaped annular grooves 35 that the side wall of roller 32, which is equipped with section, and 31 inner wall of the mounting cup is equipped with hemisphere type groove, institute It states and is equipped with ball 36 between hemisphere type groove and No. two annular grooves 35.The ball 36 is used to make the interior of compression roller 32 and mounting cup 31 Power is acted between wall, to reduce the abrasion of No. two rotating bars 34, and then improves the service life for squeezing module 3.
When work, sulfuric acid waste is flowed by No.1 inlet 12 in liquid supply pipe 26, the sulfuric acid waste in liquid supply pipe 26 The inside of rotating cylinder 23 is flowed by No. two inlets 211, No. two imbibition units 24 absorb sulfuric acid waste;Motor Rotating cylinder 23 is driven to rotate by No.1 rotating bar 21, compression roller 32 squeezes No. two imbibition units 24;Then two Sulfuric acid liquid in number imbibition unit 24 is collected by No.1 liquid outlet 11;Finally, No.1 discharge port 13 is opened, suction pump will Filter residue discharge in rotating cylinder 23 is collected.
The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the present invention is not limited to the above embodiments, and the above embodiments and description only describe the originals of the present invention Reason, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes and improvements It all fall within the protetion scope of the claimed invention.The claimed scope of the invention is by appended claims and its equivalent circle It is fixed.

Claims (5)

1. a kind of industrial sulphuric acid solid-liquid separation system, it is characterised in that:Including retort (1), filtering module (2) and squeeze module (3);The top of the filtering module (2) is fixedly connected by No.1 rotating bar (21) with the shaft of motor, filtering module (2) Lower end is rotatably installed on the inner surface of retort (1) lower plate;The extruding module (3) passes through to filtering module (2) surface It is squeezed to realize the liquid discharge in filtering module (2);The side surface bottom of the retort (1) goes out liquid equipped with No.1 Mouth (11), retort (1) lower plate center are equipped with No.1 inlet (12), and retort (1) lower plate is equipped with No.1 discharge port (13);The filtering module (2) is internally provided with liquid supply pipe (26), and the surface of liquid supply pipe (26) is equipped with No. two inlets (211);Institute Liquid supply pipe (26) is stated for coordinating No.1 inlet (12) to use;Wherein,
The filtering module (2) includes rotor plate (22), rotating cylinder (23) and imbibition unit (24), and the rotor plate (22) is used In driving rotating cylinder (23) rotation, No. two openings (25) are equipped in the rotating cylinder (23), described No. two are open in (25) Equipped with imbibition unit (24), the imbibition unit (24) is used to the internal liquid of rotating cylinder (23) carrying out absorption storage.
2. a kind of industrial sulphuric acid solid-liquid separation system according to claim 1, it is characterised in that:The imbibition unit (24) For one kind in wool brush, sponge block (241), the sponge block (241) uses polyvinyl alcohol material.
3. a kind of industrial sulphuric acid solid-liquid separation system according to claim 2, it is characterised in that:The sponge block (241) In be located at the position of rotating cylinder (23) outer layer, its cross sectional shape is clockwise parabola shaped;The sponge block (241) In clockwise side surface be equipped with section be semicircular No.1 groove (242).
4. a kind of industrial sulphuric acid solid-liquid separation system according to claim 1, it is characterised in that:The extruding module (3) Including mounting cup (31), compression roller (32), sliding extension bar (33) and spring, the mounting cup (31) passes through sliding extension bar (33) it is fixedly mounted on the inner wall of retort (1), the outer layer of sliding extension bar (33) is cased with spring;The compression roller (32) is logical Cross the inside that No. two rotating bars (34) are rotatably installed in mounting cup (31).
5. a kind of industrial sulphuric acid solid-liquid separation system according to claim 4, it is characterised in that:The compression roller (32) It is No. two arc-shaped annular grooves (35) that side wall, which is equipped with section, and mounting cup (31) inner wall is equipped with hemisphere type groove, described Ball (36) is equipped between hemisphere type groove and No. two annular grooves (35).
CN201810322942.XA 2018-04-11 2018-04-11 Industrial sulfuric acid solid-liquid separation system Active CN108394871B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113082941A (en) * 2021-04-09 2021-07-09 成都中科绿生环境科技有限公司 Application of polytetrafluoroethylene composite material in deodorization effect evaluation device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2258093Y (en) * 1996-07-01 1997-07-23 陈聪海 Structure of sewage and pure water treater
CN1436580A (en) * 2002-02-06 2003-08-20 李正烨 Drum dewatering filtering device with synthetic resin filamentary
CN104128045A (en) * 2014-07-15 2014-11-05 蔡子辉 Solid-liquid separating device and separating method

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2258093Y (en) * 1996-07-01 1997-07-23 陈聪海 Structure of sewage and pure water treater
CN1436580A (en) * 2002-02-06 2003-08-20 李正烨 Drum dewatering filtering device with synthetic resin filamentary
CN104128045A (en) * 2014-07-15 2014-11-05 蔡子辉 Solid-liquid separating device and separating method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113082941A (en) * 2021-04-09 2021-07-09 成都中科绿生环境科技有限公司 Application of polytetrafluoroethylene composite material in deodorization effect evaluation device

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