CN203683128U - Safe and efficient acid dissolution reaction system for polyaluminium chloride production - Google Patents
Safe and efficient acid dissolution reaction system for polyaluminium chloride production Download PDFInfo
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- CN203683128U CN203683128U CN201320767494.7U CN201320767494U CN203683128U CN 203683128 U CN203683128 U CN 203683128U CN 201320767494 U CN201320767494 U CN 201320767494U CN 203683128 U CN203683128 U CN 203683128U
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Abstract
The utility model discloses a safe and efficient acid dissolution reaction system for polyaluminium chloride production. The acid dissolution reaction system comprises an acid dissolution reaction tank, an acid dissolution reaction transfer tank, a flocculant preparation tank, an automatic collection tank type filter press and a one-step liquid bath; the acid dissolution reaction tank is communicated with the acid dissolution reaction transfer tank; the flocculant preparation tank is communicated with the acid dissolution reaction transfer tank; the acid dissolution reaction transfer tank is communicated with the automatic collection tank type filter press through a one-step liquid-material mixing pump; a liquid collecting tank of the automatic collection tank type filter press is communicated with the one-step liquid bath. The acid dissolution reaction tank adopted by the reaction system is a sealed acid-resisting reaction tank with very high acid resistance and sealing capability, and acid liquid leakage and acid-containing waste gas leakage are effectively avoided; the filter press adopted by the reaction system is an automatic collection tank type filter press which can effectively and automatically collect filter residues and filtrate, so that the labor cost is lowered, and the working efficiency is improved.
Description
Technical field
The utility model belongs to poly aluminium chloride production technical field, relate to one safely and efficiently poly aluminium chloride produce acid-soluble reactive system.
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, need to use the strongly-acid raw materials such as concentrated hydrochloric acid, not only reaction tank is had to strong corrodibility, and can volatilize in a large number containing sour waste gas, and existing acid-soluble reaction tank stopping property and acid resistance are not ideal enough, acid liquor leakage easily occur and containing sour waste gas effusion accident;
2) in the acid-soluble reaction of the first step, can produce a large amount of calcium chloride suspended substances and be difficult to effectively separate with single step reaction liquid (aluminum chloride reaction solution), cause insolubles severe overweight in final poly aluminium chloride product;
3) 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 be to provide one safely and efficiently poly aluminium chloride produce acid-soluble reactive system, can effectively avoid acid liquor leakage and overflow containing sour waste gas, and separate the insolubles residue producing in acid-soluble reaction by coagulating sedimentation, press filtration, 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 one safely and efficiently poly aluminium chloride produce acid-soluble reactive system, described acid-soluble reactive system comprises acid-soluble reaction tank, acid-soluble reaction tank transfer pond, flocculating agent formulation tank, gather materials chamber-type press filter and a step liquid pool automatically;
Described acid-soluble reaction tank comprises pond body and Chi Gai, pond body and Chi Gai include reinforced concrete floor, frp layer, Heat-stable ceramic tile layer and acid resistant porcelain flaggy, frp layer, Heat-stable ceramic tile layer and acid resistant porcelain flaggy are located at reinforced concrete floor inner side successively, described pond covers and is provided with charging opening, Waste gas outlet and vapor interface, described pond covers and is provided with agitator motor, in the body of pond, be provided with the agitator being made up of stirring shaft and agitating vane, stirring shaft is connected with agitator motor;
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 acid-soluble reaction tank is communicated with acid-soluble reaction tank transfer pond, flocculating agent formulation tank is communicated with acid-soluble reaction tank transfer pond, acid-soluble 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.
Further, between the Chi Gai of described acid-soluble reaction tank and pond body, be bolted, on the joint face of Chi Gai and pond body, have sealing rubber ring.
Further, the pond of described acid-soluble reaction tank covers and is provided with access opening, and pond covers along access opening and is provided with water seal.
Further, the Chi Tiwei of described acid-soluble reaction tank is embedded in underground circular pond body, and pond body oral area flushes with terrace.
Further, the agitating vane of described acid-soluble reaction tank is three layers along stirring shaft axial array, the agitating vane that the superiors' agitating vane is downward eddy flow, and lower two-layer agitating vane is the agitating vane to forward spin flow.
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 acid-soluble reaction tank, acid-soluble reaction tank transfer pond and the chamber-type press filter that automatically gathers materials respectively.
The beneficial effects of the utility model are:
1) in acid-soluble reactive system of the present utility model, be provided with the devices such as acid-soluble reaction tank transfer pond, flocculating agent formulation tank and pressure filter, the insolubles producing separate acid-soluble reaction by coagulating sedimentation, press filtration in these devices in, effectively control and reduced the insolubles content in a step liquid, having improved output and the quality of poly aluminium chloride product;
2) the acid-soluble reaction tank that the utility model uses is for sealing acidproof reaction tank, its pond body and Chi Gai are four-layer structure, four-layer structure comprise support mechanical strength bottom, guarantee the surface layer of bubble-tight middle layer and Heat-stable, make it have very strong acid resistance and stopping property, can effectively avoid acid liquor leakage and overflow containing sour waste gas;
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 structural representation of the present utility model;
Fig. 2 is the structural representation of the acid-soluble reaction tank of the utility model use.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Fig. 1 is structural representation of the present utility model, as shown in the figure, poly aluminium chloride safely and efficiently of the present utility model is produced acid-soluble reactive system, comprises acid-soluble reaction tank 1, acid-soluble reaction tank transfer pond 2, flocculating agent formulation tank 3, gather materials chamber-type press filter and a step liquid pool 4 automatically.
Fig. 2 is the structural representation of the acid-soluble reaction tank of the utility model use, as shown in the figure, described acid-soluble reaction tank 1 comprises pond body 101 and pond lid 102, pond body 101 and pond lid 102 include reinforced concrete floor 103, frp layer 104, Heat-stable ceramic tile layer 105 and acid resistant porcelain flaggy 106, frp layer 104, Heat-stable ceramic tile layer 105 and acid resistant porcelain flaggy 106 are located at reinforced concrete floor 103 inner sides successively, described pond lid 102 is provided with charging opening 107, Waste gas outlet 108 and vapor interface 109, described pond lid 102 is provided with agitator motor 110, in pond body 101, be provided with the agitator being formed by stirring shaft 111 and agitating vane 112, stirring shaft 111 is connected with agitator motor 110.
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 acid-soluble reaction tank 1 is communicated with acid-soluble reaction tank transfer pond 2, flocculating agent formulation tank 3 is communicated with acid-soluble reaction tank transfer pond 2, acid-soluble reaction tank transfer pond 2 is communicated with the chamber-type press filter that automatically gathers materials by the muddy material pump 15 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.
In the present embodiment, between the pond lid 102 of described acid-soluble reaction tank 1 and pond body 101, be connected by bolt 113, on the joint face of pond lid 102 and pond body 101, have sealing rubber ring 114; Pond body 101 and pond lid 102 are tightly connected, and have guaranteed the resistance to air loss of reaction tank.
In the present embodiment, the pond lid 102 of described acid-soluble reaction tank 1 is provided with access opening 115, on pond lid 102, is provided with water seal along access opening 115; Access opening water seal, has further guaranteed the resistance to air loss of reaction tank.
In the present embodiment, the pond body 101 of described acid-soluble reaction tank 1 is for to be embedded in underground circular pond body, and pond body oral area flushes with terrace 116.
In the present embodiment, the agitating vane 112 of described acid-soluble reaction tank 1 is three layers along stirring shaft 111 axial array, the agitating vane that the superiors' agitating vane is downward eddy flow, and lower two-layer agitating vane is the agitating vane to forward spin flow; The superiors' agitating vane makes the downward eddy flow of aqueous chemical raw material, lower two-layer agitating vane makes aqueous chemical raw material to forward spin flow, therefore make aqueous chemical raw material can form good turbulence state, greatly improved and be uniformly mixed efficiency, thereby improved speed of reaction.
In the present embodiment, described acid-soluble reactive system also comprises slag wash trough 16, and the dreg-accepting hopper 13 of the described chamber-type press filter that automatically gathers materials is communicated with slag wash trough 16 by rotary conveyor 17; 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.
In the present embodiment, described acid-soluble reactive system also comprises tail gas absorber 18, directly over the press filtration group 10 of the described chamber-type press filter that automatically gathers materials, be provided with gas skirt 19, the exhaust gas entrance of described tail gas absorber 18 is communicated with the gas skirt 19 of acid-soluble reaction tank 1, acid-soluble reaction tank transfer pond 2 and the chamber-type press filter that automatically gathers materials respectively.
Production Flow Chart of the present utility model is: in acid-soluble reaction tank 1, add hydrochloric acid, then drop into the bauxitic clay of formula ratio, reacting by heating, reaction product is taked to put into acid-soluble reaction tank transfer pond 2 from stream mode, add poly-propionic acid amide flocculation agent flocculation by flocculating agent formulation tank 3, then pump into and automatically gather materials in chamber-type press filter by the muddy material pump 15 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 16 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 18 and dispose.
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 (8)
1. poly aluminium chloride is produced an acid-soluble reactive system safely and efficiently, it is characterized in that: described acid-soluble reactive system comprises acid-soluble reaction tank, acid-soluble reaction tank transfer pond, flocculating agent formulation tank, gather materials chamber-type press filter and a step liquid pool automatically;
Described acid-soluble reaction tank comprises pond body and Chi Gai, pond body and Chi Gai include reinforced concrete floor, frp layer, Heat-stable ceramic tile layer and acid resistant porcelain flaggy, frp layer, Heat-stable ceramic tile layer and acid resistant porcelain flaggy are located at reinforced concrete floor inner side successively, described pond covers and is provided with charging opening, Waste gas outlet and vapor interface, described pond covers and is provided with agitator motor, in the body of pond, be provided with the agitator being made up of stirring shaft and agitating vane, stirring shaft is connected with agitator motor;
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 acid-soluble reaction tank is communicated with acid-soluble reaction tank transfer pond, flocculating agent formulation tank is communicated with acid-soluble reaction tank transfer pond, acid-soluble 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.
2. poly aluminium chloride safely and efficiently according to claim 1 is produced acid-soluble reactive system, it is characterized in that: between the Chi Gai of described acid-soluble reaction tank and pond body, be bolted, on the joint face of Chi Gai and pond body, have sealing rubber ring.
3. poly aluminium chloride safely and efficiently according to claim 1 is produced acid-soluble reactive system, it is characterized in that: the pond of described acid-soluble reaction tank covers and is provided with access opening, and pond covers along access opening and is provided with water seal.
4. poly aluminium chloride safely and efficiently according to claim 1 is produced acid-soluble reactive system, it is characterized in that: the Chi Tiwei of described acid-soluble reaction tank is embedded in underground circular pond body, and pond body oral area flushes with terrace.
5. poly aluminium chloride safely and efficiently according to claim 1 is produced acid-soluble reactive system, it is characterized in that: the agitating vane of described acid-soluble reaction tank is three layers along stirring shaft axial array, the superiors' agitating vane is the agitating vane of downward eddy flow, and lower two-layer agitating vane is the agitating vane to forward spin flow.
6. produce acid-soluble reactive system according to the poly aluminium chloride safely and efficiently described in claim 1 to 5 any one, 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.
7. poly aluminium chloride safely and efficiently according to claim 6 is produced acid-soluble reactive system, it 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.
8. produce acid-soluble reactive system according to the poly aluminium chloride safely and efficiently described in claim 1 to 5 any one, 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 acid-soluble reaction tank, acid-soluble reaction tank transfer pond and the chamber-type press filter that automatically gathers materials respectively.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320767494.7U CN203683128U (en) | 2013-11-29 | 2013-11-29 | Safe and efficient acid dissolution reaction system for polyaluminium chloride production |
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|---|---|---|---|
| CN201320767494.7U CN203683128U (en) | 2013-11-29 | 2013-11-29 | Safe and efficient acid dissolution reaction system for polyaluminium chloride production |
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| CN203683128U true CN203683128U (en) | 2014-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630543A (en) * | 2016-12-15 | 2017-05-10 | 宁波宝力农环境技术开发有限公司 | Silicon and calcium removing device for electroplating sludge |
-
2013
- 2013-11-29 CN CN201320767494.7U patent/CN203683128U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630543A (en) * | 2016-12-15 | 2017-05-10 | 宁波宝力农环境技术开发有限公司 | Silicon and calcium removing device for electroplating sludge |
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Granted publication date: 20140702 Termination date: 20171129 |
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| CF01 | Termination of patent right due to non-payment of annual fee |