CN203683121U - Polymerization system by using sealed acid-resistant polymerization reaction tank for polyaluminum chloride production - Google Patents
Polymerization system by using sealed acid-resistant polymerization reaction tank for polyaluminum chloride production Download PDFInfo
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- CN203683121U CN203683121U CN201320762684.XU CN201320762684U CN203683121U CN 203683121 U CN203683121 U CN 203683121U CN 201320762684 U CN201320762684 U CN 201320762684U CN 203683121 U CN203683121 U CN 203683121U
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Abstract
The utility model discloses a polymerization system by using a sealed acid-resistant polymerization reaction tank for polyaluminum chloride production. The polymerization reaction system comprises a polymerization reaction tank, a polymerization reaction tank transition tank, a cooling tower, a separation tank, a separated residue storage tank, a flocculating agent preparation tank and a semi-finished product tank. The separation tank, the separated residue storage tank, the flocculating agent preparation tank and other devices are arranged in the polymerization reaction system, and insoluble substances generated in a polymerization reaction are subjected to coagulating sedimentation and settling separation, so that the content of insoluble substances in a reacting liquid can be effectively controlled and reduced, and the yield and quality of a polyaluminum chloride product can be improved; the polymerization reaction tank used in the system is a sealed acid-resistant reaction tank, the tank body and the tank cover of the polymerization reaction tank are of a four-layer structure respectively, and each four-layer structure comprises a bottom layer for supporting mechanical strength, an intermediate layer for guaranteeing the air tightness and a temperature-resistant acid-resistant surface layer, so that the polymerization reaction tank has strong acid resistance and air tightness, and can be used for effectively preventing acid liquor from leaking and preventing acid-containing waste gas from escaping.
Description
Technical field
The utility model belongs to poly aluminium chloride production technical field, relates to a kind of poly aluminium chloride that uses sealing acidproof polyreaction pond and produces polymerization reaction 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, there is following shortcoming in it:
1) in the acid-soluble reaction of the first step and second step polyreaction, all can produce a large amount of insolubless and be difficult to separate with reaction solution, cause insolubles severe overweight in final poly aluminium chloride product;
2) in reaction, 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 reaction tank stopping property and acid resistance are not ideal enough, acid liquor leakage easily occur and containing sour waste gas effusion accident.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of poly aluminium chloride that uses sealing acidproof polyreaction pond to produce polymerization reaction system, the effectively insolubles content in control and reduction reaction solution, improve output and the quality of poly aluminium chloride product, and can effectively avoid acid liquor leakage and overflow containing sour waste gas.
For achieving the above object, the utility model provides following technical scheme:
The utility model discloses a kind of poly aluminium chloride that uses sealing acidproof polyreaction pond and produce polymerization reaction system, described polymerization reaction system comprises polyreaction pond, polyreaction Chi Zhongzhuanchi, cooling tower, separate tank, separation slag saving pond, flocculating agent formulation tank and work in-process pond;
Described polyreaction pond is communicated with polyreaction Chi Zhongzhuanchi, polyreaction 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 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;
Described polyreaction pond 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.
Further, between described Chi Gai and pond body, be bolted, on the joint face of Chi Gai and pond body, have sealing rubber ring.
Further, described pond covers and is provided with access opening, and pond covers along access opening and is provided with water seal.
Further, described pond body is to be embedded in underground circular pond body, and pond body oral area flushes with terrace.
Further, described agitating vane 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 polymerization reaction system also comprises controller, described cooling tower is provided with temperature monitor and leve monitor, on the entrance and exit pipeline of described cooling tower, be equipped with magnetic valve, described temperature monitor, leve monitor and magnetic valve are all electrically connected with controller, described controller by pump driving circuit and modified liquid transferpump be electrically connected.
The beneficial effects of the utility model are:
1) in polymerization reaction system of the present utility model, be provided with separate tank, separate the devices such as slag saving pond and flocculating agent formulation tank, the insolubles producing in by coagulating sedimentation, settlement separate polyreaction in these devices, effectively control and reduced the insolubles content in reaction solution, having improved output and the quality of poly aluminium chloride product;
2) the polyreaction pond 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, ensure 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) the utility model is also provided with automatic monitoring system processed, has realized automatic monitoring system, has realized serialization, automatic production.
Brief description of the drawings
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 that poly aluminium chloride of the present utility model is produced polymerization reaction system;
Fig. 2 is the structural representation in the polyreaction pond 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 the structural representation that poly aluminium chloride of the present utility model is produced polymerization reaction system, as shown in the figure, polymerization reaction system of the present utility model comprises polyreaction pond 1, transfer pond, polyreaction pond 2, cooling tower 3, separate tank 4, separates slag saving pond 5, flocculating agent formulation tank 6 and work in-process pond 7;
Described polyreaction pond 1 is communicated with transfer pond, polyreaction pond 2, transfer pond, polyreaction pond 2 is communicated with the entrance of cooling tower 3 by modified liquid transferpump 8, the outlet of cooling tower 3 is communicated with separate tank 4, flocculating agent formulation tank 6 is communicated with separate tank 4, the top of separate tank 4 is communicated with work in-process pond 7, the bottom of separate tank 4 with separate slag saving pond 5 and be communicated with;
Fig. 2 is the structural representation in the polyreaction pond of the utility model use, as shown in the figure, described polyreaction pond 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.
When poly aluminium chloride is produced, one step liquid is added in polyreaction pond 1, under agitation condition, progressively drop into formula ratio calcium aluminate reacting by heating, after having reacted, material is interior after air cooling at cooling tower 3, enter separate tank 4 and add flocculation agent to carry out flocculation separation, after quiescent settling, supernatant liquor is put into work in-process pond 7, flocculation separation slag enters and separates in slag saving pond 5; By the insolubles producing in coagulating sedimentation, settlement separate polyreaction, effectively control and reduced the insolubles content in reaction solution, improve output and the quality of poly aluminium chloride product; And the polyreaction pond 1 using is the acidproof reaction tank of sealing, its pond body and Chi Gai are four-layer structure, four-layer structure comprise support mechanical strength bottom, ensure 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.
In the present embodiment, between described pond lid 102 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, described pond lid 102 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, described pond body 101 is for to be embedded in underground circular pond body, and pond body oral area flushes with terrace 116.
In the present embodiment, described agitating vane 112 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.
As further improvement of the utility model, described polymerization reaction system is also provided with controller 9, described cooling tower 3 is provided with temperature monitor 91 and leve monitor 92, on the entrance and exit pipeline of described cooling tower 3, be equipped with magnetic valve 93,94, described temperature monitor 91, leve monitor 92, magnetic valve 93 and magnetic valve 94 are all electrically connected with controller 9, described controller 9 by pump driving circuit 95 and modified liquid transferpump 8 be electrically connected.The liquid level signal of the cooling tower 3 that leve monitor 92 obtains monitoring transfers to controller 9; When the liquid level of cooling tower 3 is during in low liquid level, the magnetic valve 93 that controller 9 is controlled on cooling tower 3 entrance pipes is opened, and controls modified liquid transferpump 8 by pump driving circuit 95 and pump into material to cooling tower 3; When the liquid level of cooling tower 3 is during in high liquid level, magnetic valve 93 controlled by controller 9 and modified liquid transferpump 8 cuts out.The temperature of charge signal of the cooling tower 3 that temperature monitor 91 obtains monitoring transfers to controller 9; When the material of cooling tower 3 is cooled to after set(ting)value, the magnetic valve 94 that controller 9 is controlled on cooling tower 3 export pipelines is opened, and material is put into separate tank 4; When the temperature of charge of cooling tower 3 is during higher than set(ting)value, controller 9 controls magnetic valve 94 and cuts out.Realize automatic monitoring system, realized serialization, automatic production.
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. use the poly aluminium chloride in sealing acidproof polyreaction pond to produce a polymerization reaction system, it is characterized in that: described polymerization reaction system comprises polyreaction pond, polyreaction Chi Zhongzhuanchi, cooling tower, separate tank, separation slag saving pond, flocculating agent formulation tank and work in-process pond;
Described polyreaction pond is communicated with polyreaction Chi Zhongzhuanchi, polyreaction 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 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;
Described polyreaction pond 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.
2. use according to claim 1 seals the poly aluminium chloride production polymerization reaction system in acidproof polyreaction pond, it is characterized in that: between described Chi Gai and pond body, be bolted, on the joint face of Chi Gai and pond body, have sealing rubber ring.
3. use according to claim 1 seals the poly aluminium chloride production polymerization reaction system in acidproof polyreaction pond, it is characterized in that: described pond covers and is provided with access opening, and pond covers along access opening and is provided with water seal.
4. use according to claim 1 seals the poly aluminium chloride production polymerization reaction system in acidproof polyreaction pond, it is characterized in that: described pond body is to be embedded in underground circular pond body, and pond body oral area flushes with terrace.
5. use according to claim 1 seals the poly aluminium chloride production polymerization reaction system in acidproof polyreaction pond, it is characterized in that: described agitating vane 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. seal the poly aluminium chloride production polymerization reaction system in acidproof polyreaction pond according to the use described in claim 1 to 5 any one, it is characterized in that: described polymerization reaction system also comprises controller, described cooling tower is provided with temperature monitor and leve monitor, on the entrance and exit pipeline of described cooling tower, be equipped with magnetic valve, described temperature monitor, leve monitor and magnetic valve are all electrically connected with controller, described controller by pump driving circuit and modified liquid transferpump be electrically connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762684.XU CN203683121U (en) | 2013-11-28 | 2013-11-28 | Polymerization system by using sealed acid-resistant polymerization reaction tank for polyaluminum chloride production |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320762684.XU CN203683121U (en) | 2013-11-28 | 2013-11-28 | Polymerization system by using sealed acid-resistant polymerization reaction tank for polyaluminum chloride production |
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| CN203683121U true CN203683121U (en) | 2014-07-02 |
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|---|---|---|---|
| CN201320762684.XU Expired - Fee Related CN203683121U (en) | 2013-11-28 | 2013-11-28 | Polymerization system by using sealed acid-resistant polymerization reaction tank for polyaluminum chloride production |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953470A (en) * | 2017-10-17 | 2018-04-24 | 张家港市欣达机械制造有限公司 | Hypergeometric reppears pellet blender |
| CN111686658A (en) * | 2020-05-09 | 2020-09-22 | 陈躬 | Device for preparing sewage/wastewater coagulant, sewage/wastewater coagulant and preparation method thereof |
-
2013
- 2013-11-28 CN CN201320762684.XU patent/CN203683121U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107953470A (en) * | 2017-10-17 | 2018-04-24 | 张家港市欣达机械制造有限公司 | Hypergeometric reppears pellet blender |
| CN111686658A (en) * | 2020-05-09 | 2020-09-22 | 陈躬 | Device for preparing sewage/wastewater coagulant, sewage/wastewater coagulant and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140702 Termination date: 20171128 |