CN203683137U - Liquid polyaluminium chloride production system using automatic collection chamber type filter press - Google Patents
Liquid polyaluminium chloride production system using automatic collection chamber type filter press Download PDFInfo
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- CN203683137U CN203683137U CN201320768410.1U CN201320768410U CN203683137U CN 203683137 U CN203683137 U CN 203683137U CN 201320768410 U CN201320768410 U CN 201320768410U CN 203683137 U CN203683137 U CN 203683137U
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Abstract
The utility model discloses a liquid polyaluminium chloride production system using an automatic collection chamber type filter press. The liquid polyaluminium chloride production system comprises an acid dissolution reaction system and a polymerization system, wherein the acid dissolution reaction system comprises a reaction pond, a reaction pond transfer pond, a flocculating agent preparing tank I, an automatic collection chamber type filter press and a one-step liquid pond; the polymerization reaction system comprises a tempering pond, a tempering pond transfer pond, a cooling tower, a separating pond, a separation slag storing pond, a flocculating agent preparing tank II and a semi-finished product pond. According to the liquid polyaluminium chloride production system, undissolved substance residues generated in reaction are subjected to coagulating sedimentation and filter-press separation, filter residues and filtrate can be efficiently automatically collected, the labor cost is reduced, and the work efficiency is increased.
Description
Technical field
The utility model belongs to poly aluminium chloride production technical field, relates to a kind of liquid poly aluminium chloride production system that uses the chamber-type press filter that automatically gathers materials.
Background technology
Poly aluminium chloride, is commonly called as water purification agent, has another name called polymerize aluminum chloride, is called for short poly-aluminium, english name PAC; It is the cationic inorganic polymer flocculant of a kind of poly-hydroxy, multinuclear complexing body, and solid phase prod outward appearance is sorrel, yellow or white solid powder, and its chemical molecular formula is [AL
2(OH)
ncL
6-n]
m(in formula, 1≤n≤5, m≤10), wherein m represents extent of polymerization, and n represents the neutral degree of PAC product, soluble in water, there is stronger bridge formation adsorptivity, in hydrolytic process, follow the physicsization such as electrochemistry, cohesion, absorption and precipitation to change, the final [AL that generates
2(OH)
3(OH)
3], thereby reach purification object.
The fundamental difference of poly aluminium chloride and traditional inorganic coagulant is that traditional inorganic coagulant is low molecular crystal salt, and the structure of poly aluminium chloride is made up of the changeable polynary carboxyl complex compound of form, flocculation sediment speed is fast, be suitable for pH value wide ranges, to pipe-line equipment non-corrosiveness, purifying water effect is obvious, can effectively prop up the heavy metal ion such as middle chromaticness SS, COD, BOD and arsenic, mercury that dewater, and this product is widely used in tap water, process water and sewage treatment area.
Poly aluminium chloride is divided into form and is divided into two kinds: a. liquid poly aluminium chloride is undried form, have and need not dilute, load and unload advantage easy to use, price is relatively cheap, shortcoming is traffic requirements tank car, and unit cost increases (solid per ton is equivalent to 2-3 ton liquid); B. solid poly aluminium chloride is dried form, has the advantage of convenient transportation, while not needing tank car, shortcoming to be use, also needs dilution, increases working strength.
The raw material of producing poly aluminium chloride mainly contains two large classes: a class is aluminum-containing mineral, comprises bauxite (gibbsite, boehmite, diaspore), clay, kaolin, alunite etc.; Another kind of is other aluminum-containing raw material, comprises metallic aluminium, aluminium scrap bits, grey aluminium, aluminium hydroxide, aluminum chloride, coal gangue, flyash etc.The method of producing at present poly aluminium chloride mainly contains metallic aluminium (comprising aluminium ash, lead skim) method, active aluminium hydroxide method, aluminium sesquioxide (comprising bauxitic clay, coal gangue etc.) method, crystal aluminum chloride method etc.
Built poly aluminium chloride production equipment at present, majority is the device that bauxitic clay and calcium aluminate two-step approach are produced poly aluminium chloride, the following shortcoming of its ubiquity:
1) in the acid-soluble reaction of the first step and second step polyreaction, all can produce a large amount of insolubles residues and be difficult to separate with reaction solution, cause insolubles severe overweight in final poly aluminium chloride product;
2) although existing poly aluminium chloride production equipment generally adopts the press filtration device separates such as pressure filter to remove reaction insolubles residue, but, these pressure filter all do not have material-gathering device, the filter residue particularly separating for press filtration, generally directly fall earthward, getting up carries out again then to collect (normally manually using spade).This mode is polluted production environment, and artificially collect time-consuming, increase production cost; In addition, acid-soluble reacted pickling liquor meeting volatilizes the more sour waste gas that contains, and corresponding absorption disposal facility is not set when press filtration, can cause Working environment to worsen and environmental pollution.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of liquid poly aluminium chloride production system that uses the chamber-type press filter that automatically gathers materials, by the insolubles residue producing in coagulating sedimentation, press filtration separating reaction, and can efficiently automatically collect filter residue, filtrate, reduce cost of labor, increase work efficiency.
For achieving the above object, the utility model provides following technical scheme:
The utility model discloses a kind of liquid poly aluminium chloride production system that uses the chamber-type press filter that automatically gathers materials, described liquid poly aluminium chloride production system comprises acid-soluble reactive system and polymerization reaction system;
Described acid-soluble reactive system comprises reaction tank, reaction tank transfer pond, flocculating agent formulation tank I, gather materials chamber-type press filter and a step liquid pool automatically, the described chamber-type press filter that automatically gathers materials comprises frame, rack-mounted two crossbeams and be arranged on the hydraulic compressing device in frame, between two crossbeams, be provided with slurcocks and stop plate, between slurcocks and prevention plate, be provided with the press filtration group being formed by several filter press plates, every two filter press plates are combined into a filter chamber, filter chamber is provided with filter cloth, the described chamber-type press filter that automatically gathers materials also comprises and connects liquid pool, be arranged on connecing liquid bath and being arranged at the dreg-accepting hopper under press filtration group in frame, the described liquid bath that connects is communicated with filter chamber by flexible pipe, describedly connect liquid pool and connect liquid bath and be communicated with, described reaction tank is provided with bauxitic clay charging opening and acid solution charging opening, described reaction tank is communicated with reaction tank transfer pond, flocculating agent formulation tank I is communicated with reaction tank transfer pond, reaction tank transfer pond is communicated with the chamber-type press filter that automatically gathers materials by the muddy material pump of a step liquid, and the liquid pool that connects of the chamber-type press filter that automatically gathers materials is communicated with a step liquid pool,
Described polymerization reaction system comprises modified pond, modified Chi Zhongzhuanchi, cooling tower, separate tank, separate slag saving pond, flocculating agent formulation tank II and work in-process pond, a described step liquid pool is communicated with modified pond by a step liquid transferpump, described modified pond is provided with calcium aluminate charging opening, modified pond is communicated with modified Chi Zhongzhuanchi, modified Chi Zhongzhuanchi is communicated with the entrance of cooling tower by modified liquid transferpump, the outlet of cooling tower is communicated with separate tank, flocculating agent formulation tank II is communicated with separate tank, the top of separate tank is communicated with work in-process pond, the bottom of separate tank with separate slag saving pond be communicated with, separating slag saving pond is communicated with reaction tank by separating slag transferpump.
Further, described acid-soluble reactive system also comprises slag wash trough, and the dreg-accepting hopper of the described chamber-type press filter that automatically gathers materials is communicated with slag wash trough by rotary conveyor.
Further, the described dreg-accepting hopper that automatically gathers materials chamber-type press filter is shaped as the shape of falling truncated rectangular pyramids.
Further, described acid-soluble reactive system also comprises tail gas absorber, directly over the press filtration group of the described chamber-type press filter that automatically gathers materials, be provided with gas skirt, the exhaust gas entrance of described tail gas absorber is communicated with the gas skirt of reaction tank, reaction tank transfer pond and the chamber-type press filter that automatically gathers materials respectively.
Further, described reaction tank, reaction tank transfer pond and flocculating agent formulation tank I are equipped with agitator.
Further, described modified pond, separate tank, separation slag saving pond and flocculating agent formulation tank II are equipped with agitator, and described cooling tower is the cooling tower that is provided with induced draft fan.
The beneficial effects of the utility model are:
1) the utility model is provided with reaction tank transfer pond, flocculating agent formulation tank and the devices such as chamber-type press filter that automatically gather materials in acid-soluble reactive system, the insolubles producing in separating acid-soluble reaction by coagulating sedimentation, press filtration in these devices, effectively controls and has reduced the insolubles content in a step liquid;
2) the utility model is provided with separate tank, separates the devices such as slag saving pond and flocculating agent formulation tank in polymerization reaction system, in these devices, further separate insolubles by coagulating sedimentation, sedimentation, effectively control and reduced the insolubles content in reaction solution, having improved output and the quality of liquid poly aluminium chloride;
3) pressure filter that the utility model adopts is the chamber-type press filter that automatically gathers materials, automatically the chamber-type press filter that gathers materials is provided with the liquid bath that connects being communicated with filter chamber and automatically collects filtrate, just be provided with the dreg-accepting hopper of press filtration group is collected to filter residue automatically, therefore can efficiently automatically collect filter residue, filtrate, reduce cost of labor, improved working efficiency;
4) the utility model is also provided with gas skirt directly over press filtration group, and what during by acid-soluble reaction, volatilize in the time that pickling liquor press filtration operates absorbs to tail gas absorber disposal together with sour waste gas, has avoided Working environment to worsen and environmental pollution.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearer, the utility model provides following accompanying drawing to describe:
Fig. 1 is the structural representation of acid-soluble reactive system;
Fig. 2 is the structural representation of polymerization reaction system.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Automatically the gather materials liquid poly aluminium chloride production system of chamber-type press filter of use of the present utility model, comprises acid-soluble reactive system and polymerization reaction system.
Fig. 1 is the structural representation of acid-soluble reactive system, and as shown in the figure, described acid-soluble reactive system comprises reaction tank 1, reaction tank transfer pond 2, flocculating agent formulation tank I 3, gather materials chamber-type press filter and a step liquid pool 4 automatically;
The described chamber-type press filter that automatically gathers materials comprises frame 5, be arranged on two crossbeams 6 in frame 5 and be arranged on the hydraulic compressing device 7 in frame 5, between two crossbeams 6, be provided with slurcocks 8 and stop plate 9, between slurcocks 8 and prevention plate 9, be provided with the press filtration group 10 being formed by several filter press plates, every two filter press plates are combined into a filter chamber, filter chamber is provided with filter cloth, the described chamber-type press filter that automatically gathers materials also comprises and connects liquid pool 11, be arranged on connecing liquid bath 12 and being arranged at the dreg-accepting hopper 13 under press filtration group 10 in frame 5, the described liquid bath 12 that connects is communicated with filter chamber by flexible pipe 14, describedly connect liquid pool 11 and connect liquid bath 12 and be communicated with,
Described reaction tank 1 is provided with bauxitic clay charging opening 15 and acid solution charging opening 16, described reaction tank 1 is communicated with reaction tank transfer pond 2, flocculating agent formulation tank I 3 is communicated with reaction tank transfer pond 2, reaction tank transfer pond 2 is communicated with the chamber-type press filter that automatically gathers materials by the muddy material pump 17 of a step liquid, and the liquid pool 11 that connects of the chamber-type press filter that automatically gathers materials is communicated with a step liquid pool 4; Described reaction tank 1, reaction tank transfer pond 2 and flocculating agent formulation tank I 3 are equipped with agitator.
As further improvement of the utility model, described acid-soluble reactive system also comprises slag wash trough 18, and the dreg-accepting hopper 13 of the described chamber-type press filter that automatically gathers materials is communicated with slag wash trough 18 by rotary conveyor 19; The dreg-accepting hopper 13 of the described chamber-type press filter that automatically gathers materials is shaped as the shape of falling truncated rectangular pyramids.
As further improvement of the utility model, described acid-soluble reactive system also comprises tail gas absorber 20, directly over the press filtration group 10 of the described chamber-type press filter that automatically gathers materials, be provided with gas skirt 21, the exhaust gas entrance of described tail gas absorber 20 is communicated with the gas skirt 21 of reaction tank 1, reaction tank transfer pond 2 and the chamber-type press filter that automatically gathers materials respectively.
Fig. 2 is the structural representation of polymerization reaction system, as shown in the figure, described polymerization reaction system comprises modified pond 22, transfer pond, modified pond 23, cooling tower 24, separate tank 25, separate slag saving pond 26, flocculating agent formulation tank II 27 and work in-process pond 28, a described step liquid pool 4 is communicated with modified pond 22 by a step liquid transferpump 29, described modified pond 22 is provided with calcium aluminate charging opening 30, modified pond 22 is communicated with transfer pond, modified pond 23, transfer pond, modified pond 23 is communicated with the entrance of cooling tower 24 by modified liquid transferpump 31, the outlet of cooling tower 24 is communicated with separate tank 25, flocculating agent formulation tank II 27 is communicated with separate tank 25, the top of separate tank 25 is communicated with work in-process pond 28, the bottom of separate tank 25 with separate slag saving pond 26 and be communicated with, separating slag saving pond 26 is communicated with reaction tank 1 by separating slag transferpump 32, described modified pond 22, separate tank 25, separation slag saving pond 26 and flocculating agent formulation tank II 27 are equipped with agitator, and described cooling tower 24 is for being provided with the cooling tower of induced draft fan.
Production Flow Chart of the present utility model is:
1, acid-soluble reaction: add hydrochloric acid in reaction tank 1, then drop into the bauxitic clay of formula ratio, reacting by heating, reaction product is taked to put into reaction tank transfer pond 2 from stream mode, add poly-propionic acid amide flocculation agent flocculation by flocculating agent formulation tank I 3, then pump into and automatically gather materials in chamber-type press filter by the muddy material pump 17 of a step liquid, reaction tank product is carried out to the separation of slag liquid; Filtrate is flowed into and is connect liquid bath 12 by flexible pipe 14, then flows into and connect in liquid pool 11, then flows in a step liquid pool 4; And filter residue directly falls in dreg-accepting hopper 13, be then delivered to slag wash trough 18 carrying out washing treatment; Together with what acid-soluble when reaction volatilized in the time that pickling liquor press filtration operate contain sour waste gas, absorb to tail gas absorber 20 and dispose.
2, polyreaction: a step liquid pump is entered in modified pond 22 by a step liquid transferpump 29, under agitation condition, progressively drop into the reaction of formula ratio calcium aluminate, after having reacted, material is interior after air cooling at cooling tower 24, enter separate tank 25 and add flocculation agent to carry out flocculation separation, after quiescent settling, supernatant liquor is put into work in-process pond 28; Flocculation separation slag pumps into reaction tank 1 from separating slag saving pond 26, when slag in question response pond 1 reaches process stipulation disposal amount, add formula ratio hydrochloric acid, sulfuric acid and water reaction, after slag has reacted, material enters reaction tank transfer pond 2 by aforementioned technical process and carries out flocculation separation.
Finally explanation is, above preferred embodiment is only unrestricted in order to the technical solution of the utility model to be described, although the utility model is described in detail by above preferred embodiment, but those skilled in the art are to be understood that, can make various changes to it in the form and details, and not depart from the utility model claims limited range.
Claims (6)
1. the use liquid poly aluminium chloride production system for chamber-type press filter of automatically gathering materials, is characterized in that: described liquid poly aluminium chloride production system comprises acid-soluble reactive system and polymerization reaction system;
Described acid-soluble reactive system comprises reaction tank, reaction tank transfer pond, flocculating agent formulation tank I, gather materials chamber-type press filter and a step liquid pool automatically, the described chamber-type press filter that automatically gathers materials comprises frame, rack-mounted two crossbeams and be arranged on the hydraulic compressing device in frame, between two crossbeams, be provided with slurcocks and stop plate, between slurcocks and prevention plate, be provided with the press filtration group being formed by several filter press plates, every two filter press plates are combined into a filter chamber, filter chamber is provided with filter cloth, the described chamber-type press filter that automatically gathers materials also comprises and connects liquid pool, be arranged on connecing liquid bath and being arranged at the dreg-accepting hopper under press filtration group in frame, the described liquid bath that connects is communicated with filter chamber by flexible pipe, describedly connect liquid pool and connect liquid bath and be communicated with, described reaction tank is provided with bauxitic clay charging opening and acid solution charging opening, described reaction tank is communicated with reaction tank transfer pond, flocculating agent formulation tank I is communicated with reaction tank transfer pond, reaction tank transfer pond is communicated with the chamber-type press filter that automatically gathers materials by the muddy material pump of a step liquid, and the liquid pool that connects of the chamber-type press filter that automatically gathers materials is communicated with a step liquid pool,
Described polymerization reaction system comprises modified pond, modified Chi Zhongzhuanchi, cooling tower, separate tank, separate slag saving pond, flocculating agent formulation tank II and work in-process pond, a described step liquid pool is communicated with modified pond by a step liquid transferpump, described modified pond is provided with calcium aluminate charging opening, modified pond is communicated with modified Chi Zhongzhuanchi, modified Chi Zhongzhuanchi is communicated with the entrance of cooling tower by modified liquid transferpump, the outlet of cooling tower is communicated with separate tank, flocculating agent formulation tank II is communicated with separate tank, the top of separate tank is communicated with work in-process pond, the bottom of separate tank with separate slag saving pond be communicated with, separating slag saving pond is communicated with reaction tank by separating slag transferpump.
2. the use according to claim 1 liquid poly aluminium chloride production system of chamber-type press filter of automatically gathering materials, it is characterized in that: described acid-soluble reactive system also comprises slag wash trough, the dreg-accepting hopper of the described chamber-type press filter that automatically gathers materials is communicated with slag wash trough by rotary conveyor.
3. the use according to claim 2 liquid poly aluminium chloride production system of chamber-type press filter of automatically gathering materials, is characterized in that: the described dreg-accepting hopper that automatically gathers materials chamber-type press filter is shaped as the shape of falling truncated rectangular pyramids.
4. the use according to claim 1 liquid poly aluminium chloride production system of chamber-type press filter of automatically gathering materials, it is characterized in that: described acid-soluble reactive system also comprises tail gas absorber, directly over the press filtration group of the described chamber-type press filter that automatically gathers materials, be provided with gas skirt, the exhaust gas entrance of described tail gas absorber is communicated with the gas skirt of reaction tank, reaction tank transfer pond and the chamber-type press filter that automatically gathers materials respectively.
5. the use according to claim 1 liquid poly aluminium chloride production system of chamber-type press filter of automatically gathering materials, is characterized in that: described reaction tank, reaction tank transfer pond and flocculating agent formulation tank I are equipped with agitator.
6. the use according to claim 1 liquid poly aluminium chloride production system of chamber-type press filter of automatically gathering materials, it is characterized in that: described modified pond, separate tank, separation slag saving pond and flocculating agent formulation tank II are equipped with agitator, and described cooling tower is the cooling tower that is provided with induced draft fan.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768410.1U CN203683137U (en) | 2013-11-29 | 2013-11-29 | Liquid polyaluminium chloride production system using automatic collection chamber type filter press |
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| CN201320768410.1U CN203683137U (en) | 2013-11-29 | 2013-11-29 | Liquid polyaluminium chloride production system using automatic collection chamber type filter press |
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| CN203683137U true CN203683137U (en) | 2014-07-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402031A (en) * | 2014-10-23 | 2015-03-11 | 蓝保(厦门)水处理科技有限公司 | Recycling process of polyaluminium chloride filter residue |
| CN108201732A (en) * | 2018-01-24 | 2018-06-26 | 江苏蓝遥净水剂有限公司 | A kind of filter device of liquid polyaluminium chloride |
-
2013
- 2013-11-29 CN CN201320768410.1U patent/CN203683137U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104402031A (en) * | 2014-10-23 | 2015-03-11 | 蓝保(厦门)水处理科技有限公司 | Recycling process of polyaluminium chloride filter residue |
| CN104402031B (en) * | 2014-10-23 | 2016-08-24 | 蓝保(厦门)水处理科技有限公司 | A kind of polyaluminium chloride filter residue recycling technique |
| CN108201732A (en) * | 2018-01-24 | 2018-06-26 | 江苏蓝遥净水剂有限公司 | A kind of filter device of liquid polyaluminium chloride |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20171129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |