CN204454624U - The high-efficiency cleaning production equipment of solid poly aluminium chloride - Google Patents
The high-efficiency cleaning production equipment of solid poly aluminium chloride Download PDFInfo
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- CN204454624U CN204454624U CN201420825089.0U CN201420825089U CN204454624U CN 204454624 U CN204454624 U CN 204454624U CN 201420825089 U CN201420825089 U CN 201420825089U CN 204454624 U CN204454624 U CN 204454624U
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Abstract
The utility model discloses a kind of high-efficiency cleaning production equipment of solid poly aluminium chloride, comprise sour can system, single step reaction system, two step reactive systems, roller drying system, crushing packing system, slag treatment system and tail gas absorbing system.The utility model arranges the devices such as flocculating agent formulation tank, pressure filter and separate tank in single step reaction system and two step reactive systems, by the insolubles produced in coagulating sedimentation separation of produced, improves the seed output and quality of final solid poly aluminium chloride product; The high-efficiency cleaning production equipment of solid poly aluminium chloride of the present utility model, effectively can control and reduce the insolubles content in reaction solution, improve the quantity and quality of the final solid poly aluminium chloride product of press filtration and cooling efficiency and raising, and to comprehensive treating process and the recycling such as various filter residues, waste water, waste gas that produce in production process, make that the production of solid poly aluminium chloride is energy-saving and cost-reducing, environment-protecting clean.
Description
Technical field
The utility model belongs to poly aluminium chloride production technical field, relates to a kind of solid poly aluminium chloride production equipment of high-efficiency cleaning.
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, with physico changes such as electrochemistry, cohesion, absorption and precipitations in hydrolytic process, final generation [AL
2(OH)
3(OH)
3], thus reach purification object.
The fundamental difference of poly aluminium chloride and conventional inorganic coagulating agent is that conventional inorganic coagulating agent is low molecule crystal salt, and the structure of poly aluminium chloride is made up of the polycarboxy complex compound that form is changeable, flocculation sediment speed is fast, be suitable for pH value wide ranges, to pipe-line equipment non-corrosiveness, purifying water effect is obvious, and effectively can prop up dewater middle chromaticness SS, COD, BOD and the heavy metal ion such as arsenic, mercury, this product is widely used in tap water, process water and sewage treatment area.
Poly aluminium chloride is divided into form to be divided into two kinds: a. liquid poly aluminium chloride to be undried form, have and need not dilute, load and unload easy to use, that price is relatively cheap advantage, 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, does not need tank car, also needs dilution when shortcoming is and uses, and increases working strength.
The raw material 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 current production 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.
1. metallic aluminium method: adopt the raw material of metallic aluminium method synthesis poly aluminium chloride to be mainly the tankage of aluminium processing, as aluminium bits, aluminium ash and aluminium slag etc.Under agitation slowly add hydrochloric acid according to a certain ratio by aluminium ash to react, obtain liquid aluminium polychloride through slaking polymerization, sedimentation, then through dilute filtration, concentrated, dry obtained.Technique can be divided into acid system, alkaline process, neutralisation 3 kinds.Acid system mainly uses HCl, and quality product is wayward; Alkaline process producting process difficulty is higher, and facility investment is comparatively large and alkali charge is large, and pH controls to take raw material, and cost is higher; Maximum be neutralisation, as long as control proportioning well, generally can be up to state standards.
2. aluminium hydroxide method
The levels of toxic substances such as aluminium hydrate powder purity is higher, the poly aluminium chloride heavy metal of synthesis are low, the general production technique adopting heating and pressurizing acid-soluble.This technics comparing is simple, but the basicity of the polymerize aluminum chloride produced is lower, and therefore generally employing aluminium hydroxide temperature-pressure is acid-soluble adds in calcium aluminate breeze and two procedures.
3. aluminium sesquioxide method
Raw material containing aluminium sesquioxide mainly contains gibbsite, aluminium vanadine, kaolin, coal gangue etc.This production technique can be divided into two steps: the first step obtains crystal aluminum chloride, and second step obtains poly aluminium chloride by pyrolysis method or neutralisation.
4. aluminium chloride process
Adopt chlorination aluminium powder to be Raw material processing poly aluminium chloride, this method application is the most general.Available crystal aluminum chloride carries out boiling pyrolysis in 170 DEG C, adds water cure polymerization, then through solidification, dry obtained.
Solid poly aluminium chloride production equipment built at present, majority is that bauxitic clay and calcium aluminate two-step approach produce liquid poly aluminium chloride, is then the device of solid poly aluminium chloride by liquid poly aluminium chloride spraying dry or roller drying.The following shortcoming of existing solid poly aluminium chloride production equipment ubiquity:
1) in the acid-soluble reaction of the first step and second step polyreaction, all can produce a large amount of insolubles and be difficult to be separated with reaction solution, cause insolubles severe overweight in final solid poly aluminium chloride product;
2) roller drying system used, flow setting is reasonable not, causes energy consumption for drying high cost, and also compares through the transportation processing of the solid poly aluminium chloride of roller drying and waste time and energy;
3) the solid poly aluminium chloride that drying obtains can present bulk and harden, if directly pack sale, can affect product quality image;
4) for the process of filter residue and comprehensive utilization, waste water with do not have to deal carefully with containing problems such as the process of sour waste gas and comprehensive utilization and energy-saving and cost-reducing, environment-protecting clean productions.
Pressure filter is a kind ofly utilize filtration medium to apply certain pressure to object and make liquid dialysis a kind of mechanical means out.Filter material is injected filter chamber by the pressure of fresh feed pump by pressure filter, filter material enters filter plate by the feed port of thrust plate end face, make filter material be distributed to all filter chambers by filter plate centre hole again, after the filtration medium of filter chamber makes solid-liquid separation, reach the object of filtration.Existing pressure filter generally only adopts adjustment feed pressure to be used as the pressure source of press filtration, although can service requirements be met, but, along with the development of filtering equipment, the filtration area of pressure filter continues to increase, and the quantity of filter plate is also on the increase, the length of pressure filter is constantly lengthened, if only adopt the feed pressure strengthening fresh feed pump to provide press filtration pressure, then filter cake can be caused can not press filtration to complete for a long time, reduce production efficiency.In addition, because the length of pressure filter constantly lengthens, after press filtration completes, cannot guarantee that all filter chambers all can be opened, cause filter residue not get rid of smoothly, after needing to adopt manual operation to be opened by the filter chamber do not opened one by one, remove filter residue again, not only waste of manpower, and reduce production efficiency.
Existing cooling tower generally comprises shell, the heat-eliminating medium cavity for cooling flowing material to be cooled is provided with in shell, flowing material passage to be cooled is provided with in heat-eliminating medium cavity, during use, in heat-eliminating medium cavity, keep heat-eliminating medium to circulate, make the temperature in heat-eliminating medium cavity remain on the scope of setting, when flowing material to be cooled is by heat-eliminating medium cavity, and there is heat exchange between heat-eliminating medium, realize the cooling performance treating cooling fluid material.Although existing cooling tower can meet service requirements to a certain extent, but because heat-eliminating medium is filled in whole heat-eliminating medium cavity, its circulation speed is slower, and the temperature of the heat-eliminating medium of different zones is also variant in heat-eliminating medium cavity, cause cooling performance uneven.In addition, when flowing material to be cooled is gaseous matter or the liquid substance of high flow rate, because the duration of contact between flowing material to be cooled and heat-eliminating medium is short, the cooling performance of setting cannot be reached.
Summary of the invention
In view of this, the purpose of this utility model is the high-efficiency cleaning production equipment providing a kind of solid poly aluminium chloride, effectively can control and reduce the insolubles content in reaction solution, improve the quantity and quality of the final solid poly aluminium chloride product of press filtration, cooling efficiency and raising, and to comprehensive treating process and the recycling such as various filter residues, waste water, waste gas that produce in production process, make that the production of solid poly aluminium chloride is energy-saving and cost-reducing, environment-protecting clean.
For achieving the above object, the utility model provides following technical scheme:
A high-efficiency cleaning production equipment for solid poly aluminium chloride, comprises sour can system, single step reaction system, two step reactive systems, roller drying system, crushing packing system, slag treatment system and tail gas absorbing system;
Described sour can system comprises sulfuric acid storage tank system and hydrochloric acid tank system, sulfuric acid storage tank system comprises sulfuric acid storage tank and sulfuric acid unloading pump, sulfuric acid pump outlet of unloading is communicated with sulfuric acid storage tank, hydrochloric acid tank system comprises hydrochloric acid tank, hydrochloric acid unloading pump and hydrochloric acid transferpump, hydrochloric acid pump outlet of unloading is communicated with hydrochloric acid tank, and the entrance of hydrochloric acid transferpump is communicated with hydrochloric acid tank;
Described single step reaction system comprises reaction tank, reaction tank transfer pond, flocculating agent formulation tank I, main pressure filter and a step liquid pool, described hydrochloric acid conveying pump outlet is communicated with reaction tank, described sulfuric acid storage tank is communicated with reaction tank, described reaction tank is provided with bauxitic clay charging opening, 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 entrance of main pressure filter by a step liquid muddy material pump, and the liquid exit of main pressure filter is communicated with a step liquid pool;
Described two step reactive systems comprise modified pond, modified Chi Zhongzhuanchi, cooling tower, separate tank, be separated 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 be separated slag saving pond and be communicated with, be separated slag saving pond to be communicated with reaction tank by being separated slag transferpump,
Described roller drying system comprises dry liquid high level tank, drying drum and finished belt transfer roller, described work in-process pond is communicated with dry liquid high level tank by work in-process liquid pump, dry liquid high level tank is communicated with the dry liquid entrance of drying drum, and the solid outlet of drying drum is just to finished belt transfer roller;
Described crushing packing system comprises feeding hopper, crusher, chapelet, finished product bin and metering packing system, described finished belt transfer roller is connected with feeding hopper, feeding hopper is connected with crusher, crusher is connected with chapelet, chapelet is connected with finished product bin, and finished product bin is connected with metering packing system;
Described slag treatment system comprises slag wash trough, slag pressure filter, slag dryer and wastewater disposal basin, the filter-press residues outlet of described main pressure filter is communicated with slag wash trough, described slag wash trough is communicated with the entrance of slag pressure filter by washed-residue transferpump, the filter-press residues outlet of slag pressure filter is communicated with slag dryer, the liquid exit of slag pressure filter is communicated with wastewater disposal basin, and wastewater disposal basin is communicated with modified pond with reaction tank respectively by waste water pump;
Described tail gas absorbing system comprises tail gas absorber and is arranged on the gas skirt above main pressure filter, the exhaust gas entrance of described tail gas absorber is communicated with the exhaust steam passage at gas skirt top with reaction tank, reaction tank transfer pond, modified pond respectively, the absorption liquid entrance of described tail gas absorber is communicated with tap water pipe network, and the absorption liquid outlet of tail gas absorber is communicated with wastewater disposal basin;
Described main pressure filter and slag pressure filter adopt the pressure filter of same structure, described pressure filter comprises frame, pressure strip and thrust plate, press filtration unit is provided with between described pressure strip and thrust plate, described frame is provided with the hydro-cylinder for promoting described pressure strip movement, and described thrust plate is provided with material access aperture, described press filtration unit comprises press filtration frame, two pieces of filter press plates be all slidably matched with it are provided with in described press filtration frame, the center correspondence of two pieces of described filter press plates is provided with feed port, and the feed port inner sleeve of two pieces of described filter press plates is equiped with the feed-pipe be slidably matched with it, the two ends end face of described press filtration frame is equipped with filter cloth, the two ends mouth of pipe of described feed-pipe extends respectively and stretches out outside described filter cloth, described press filtration frame is also provided with the driving mechanism for driving two pieces of opposing motions of described filter press plate,
Described cooling tower comprises housing, the top of described housing is provided with cushion chamber, the bottom of housing is provided with lower cushion chamber, cooling unit is provided with between described upper cushion chamber and described lower cushion chamber, be provided with the entrance entered for flowing material to be cooled in described upper cushion chamber, in described lower cushion chamber, be provided with the outlet of flowing out for flowing material to be cooled; Described cooling unit comprises the cooling tube be connected with lower cushion chamber with described upper cushion chamber respectively, described cooling tube overcoat is equiped with heat-eliminating medium pipe, the lower end of described heat-eliminating medium pipe is provided with cushion chamber under heat-eliminating medium, the upper end of heat-eliminating medium pipe is provided with cushion chamber on heat-eliminating medium, be provided with heat-eliminating medium entrance in cushion chamber under described heat-eliminating medium, described heat-eliminating medium be provided with heat-eliminating medium outlet in cushion chamber.
Further, described driving mechanism comprises the driver element being separately positioned on the described upper and lower both sides of press filtration frame or the left and right sides, described driver element comprises the erecting frame be arranged on described press filtration frame, described erecting frame is provided with driving hydro-cylinder, the piston rod of described driving hydro-cylinder is provided with the voussoir for driving two pieces of opposing movements of described filter press plate, be provided with the gap coordinated with described voussoir between two pieces of described filter press plates, described press filtration frame is provided with the through hole passed through for described voussoir.
Further, the cross section of described voussoir is isosceles triangle.
Further, on the inwall of described press filtration frame, compartment of terrain is provided with chute, and the outer wall of described filter press plate is provided with the slide block coordinated with described chute, and the two ends of described chute are respectively equipped with for preventing two pieces of described filter press plates from skidding off position limiting structure outside described press filtration frame.
Further, described frame is provided with the crossbeam for described press filtration single element move guiding.
Further, linkage assembly is equipped with between the outer wall of adjacent two described press filtration frames and near between the described press filtration frame of described pressure strip and the outer wall of described pressure strip, described linkage assembly comprises four two hinge bars, four described pair of hinge bars are hingedly connected together between two and form diamond structure, and wherein two relative summits of described diamond structure to be articulated and connected on adjacent two described press filtration frames or respectively near on the described press filtration frame of described pressure strip and described pressure strip.
Further, between described upper cushion chamber and lower cushion chamber, annular is laid with at least one circle cooling unit from outside to inside.
Further, be provided with the heat-eliminating medium coil pipe be connected with described heat-eliminating medium entrance under described heat-eliminating medium in cushion chamber, on described heat-eliminating medium coil pipe, compartment of terrain is provided with air outlet.
Further, described heat-eliminating medium coil pipe and each enclose described cooling unit one_to_one corresponding and be set to multiple; And described heat-eliminating medium coil pipe is coated at outside the described cooling unit of a circle corresponding with it; Be provided with communicating pipe between adjacent two described heat-eliminating medium coil pipes, be positioned at outermost described heat-eliminating medium coil pipe and be connected with described heat-eliminating medium entrance.
Further, on described cooling tube, compartment of terrain is provided with at least one buffering joint, and described buffering joint comprises cushion plugs, and described cushion plugs is provided with the communication port circulated for flowing material to be cooled; The section area sum of all described communication port is 0.2-0.8 with the ratio of the section area of described cooling tube.
The beneficial effects of the utility model are:
1) the utility model arranges the devices such as flocculating agent formulation tank, pressure filter and separate tank in single step reaction system and two step reactive systems, by the insolubles produced in coagulating sedimentation separation of produced, improve the seed output and quality of final solid poly aluminium chloride product;
2) the utility model is provided with dry liquid high level tank, first by dry for the suction of liquid poly aluminium chloride liquid high level tank, high temperature dehydration drying is carried out to each drying drum by dry liquid high level tank distribution feed liquid, thus the object of uniform distribution is reached with succinct technical process efficiently, reduce energy consumption for drying cost;
3) the utility model is also provided with the finished belt transfer roller matched with drying drum, automatically collects conveying solid substance poly aluminium chloride by finished belt transfer roller, and that has saved solid poly aluminium chloride transports cost;
4) the utility model is also provided with crusher, before solid poly aluminium chloride enters finished product bin, first carry out fragmentation to it, and being hardened by broken finished product ensure that quality product;
5) slag treatment system is set and tail gas absorbing system processes the filter residue produced in production process, waste water and waste gas and fully utilizes, has saved the production means, decreased discharge, reach the object that environment-protecting clean is produced;
6) by the press filtration unit split of pressure filter being set to press filtration frame and two filter press plates in press filtration frame that are slidably installed, during use, first utilize Driven by Hydraulic Cylinder pressure strip to move all press filtration unit are fixed, filter chamber is formed between adjacent two press filtration frames, then fresh feed pump is utilized to be injected in filter chamber by press filtration material, press filtration material can drive two of press filtration frame pieces of filter press plates move in opposite directions and be adjacent to together, pressurize after filter cake fills filter chamber, start driving mechanism simultaneously and drive the opposing mobile extruding filter chamber of two pieces of filter press plates in press filtration frame, namely filter cake is subject to the pressure effect of fresh feed pump and the squeezing action of filter press plate simultaneously, can be quickly, the liquid filtering contained more up hill and dale falls, and can pressure efficiency be improved,
7) by arranging cooling unit between the upper cushion chamber and lower cushion chamber of cooling tower, and put heat-eliminating medium pipe in the installing of cooling tube overcoat, during use, flowing material to be cooled is entered in cooling tube equably by upper cushion chamber, heat-eliminating medium enters in heat-eliminating medium pipe by cushion chamber under heat-eliminating medium equably, flowing material to be cooled is contrary with the flow direction of heat-eliminating medium, by regulating the flow velocity of heat-eliminating medium, the cooling efficiency of flowing material to be cooled can be regulated easily, and the cooling efficiency of each cooling unit is identical, there will not be the even phenomenon of inhomogeneous cooling, therefore, the cooling efficiency of cooling tower of the present utility model is higher, cooling performance is more evenly good.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and beneficial effect clearly, the utility model provides following accompanying drawing to be described:
Fig. 1 is the structural representation of sour can system;
Fig. 2 is the structural representation of single step reaction system;
Fig. 3 is the structural representation of two step reactive systems;
Fig. 4 is the structural representation of roller drying system;
Fig. 5 is the structural representation of crushing packing system;
Fig. 6 is the structural representation of slag treatment system;
Fig. 7 is the structural representation of tail gas absorbing system;
Fig. 8 is the structural representation of pressure filter;
Fig. 9 is the structural representation of press filtration unit;
Figure 10 is the left view of Fig. 9;
Figure 11 is the A detail drawing of Fig. 9;
Figure 12 is the structural representation of cooling tower;
Figure 13 is the B-B sectional view of Figure 12;
Figure 14 is the C-C sectional view of Figure 12;
Figure 15 is the structural representation of buffering joint;
Figure 16 is the D-D sectional view of Figure 15.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, and to make those skilled in the art better can understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
The high-efficiency cleaning production equipment of solid poly aluminium chloride of the present utility model, comprises sour can system, single step reaction system, two step reactive systems, roller drying system, crushing packing system, slag treatment system and tail gas absorbing system.
Fig. 1 is the structural representation of sour can system, as shown in the figure, acid can system comprises sulfuric acid storage tank system and hydrochloric acid tank system, sulfuric acid storage tank system comprises sulfuric acid storage tank 11 and sulfuric acid unloading pump 12, the outlet of sulfuric acid unloading pump 12 is communicated with sulfuric acid storage tank 11, hydrochloric acid tank system comprises hydrochloric acid tank 13, hydrochloric acid unloading pump 14 and hydrochloric acid transferpump 15, and the outlet of hydrochloric acid unloading pump 14 is communicated with hydrochloric acid tank 13, and the entrance of hydrochloric acid transferpump 15 is communicated with hydrochloric acid tank 13; The quantity of described sulfuric acid unloading pump 12 is two and parallel with one another, and the quantity of described hydrochloric acid tank 13 is ten and parallel with one another, and the quantity of described hydrochloric acid unloading pump 14 is two and parallel with one another, and the quantity of described hydrochloric acid transferpump 15 is two and parallel with one another.Sulfuric acid from tank car for sulphuric acid use pumps into sulfuric acid storage tank 11 by sulfuric acid unloading pump 12, and the hydrochloric acid from hydrochloric acid tank car pumps into hydrochloric acid tank 13 by hydrochloric acid unloading pump 14.
Fig. 2 is the structural representation of single step reaction system, as shown in the figure, single step reaction system comprises reaction tank 21, reaction tank transfer pond 22, flocculating agent formulation tank I 23, main pressure filter 24 and a step liquid pool 25, the outlet of described hydrochloric acid transferpump 15 is communicated with reaction tank 21, described sulfuric acid storage tank 11 is communicated with reaction tank 21, described reaction tank 21 is provided with bauxitic clay charging opening, reaction tank 21 is communicated with reaction tank transfer pond 22, flocculating agent formulation tank I 23 is communicated with reaction tank transfer pond 22, reaction tank transfer pond 22 is communicated with the entrance of main pressure filter 24 by a step liquid muddy material pump 26, the liquid exit of main pressure filter 24 is communicated with a step liquid pool 25, described reaction tank 21, reaction tank transfer pond 22 and flocculating agent formulation tank I 23 are equipped with agitator, the quantity of a described step liquid muddy material pump 26 is two and parallel with one another, the quantity of described main pressure filter 24 is three and parallel with one another, and the quantity of a described step liquid pool 25 is four and parallel with one another.Hydrochloric acid and processing wastewater is added in reaction tank 21, then the bauxitic clay of formula ratio is dropped into, reacting by heating, reaction product is taked to put into reaction tank transfer pond 22 from stream mode, add the flocculation of poly-propionic acid amide flocculation agent by flocculating agent formulation tank I 23, then pump in main pressure filter 24 by a step liquid muddy material pump 26, reaction tank product is carried out the separation of slag liquid, an isolated step liquid pump enters in a step liquid pool 25, and the slag wash trough that removes slag carries out subsequent disposal.
Fig. 3 is the structural representation of two step reactive systems, as shown in the figure, two step reactive systems comprise modified pond 31, transfer pond, modified pond 32, cooling tower 33, separate tank 34, be separated slag saving pond 35, flocculating agent formulation tank II 36 and work in-process pond 37, a described step liquid pool 25 is communicated with modified pond 31 by a step liquid transferpump 38, described modified pond 31 is provided with calcium aluminate charging opening, modified pond 31 is communicated with transfer pond, modified pond 32, transfer pond, modified pond 32 is communicated with the entrance of cooling tower 33 by modified liquid transferpump 39, the outlet of cooling tower 33 is communicated with separate tank 34, flocculating agent formulation tank II 36 is communicated with separate tank 34, the top of separate tank 34 is communicated with work in-process pond 37, the bottom of separate tank 34 be separated slag saving pond 35 and be communicated with, be separated slag saving pond 35 to be communicated with reaction tank 21 by being separated slag transferpump 30, described modified pond 31, separate tank 34, separation slag saving pond 35 and flocculating agent formulation tank II 36 are equipped with agitator, and described cooling tower 33 is for being provided with the cooling tower of induced draft fan.By a step liquid transferpump 38, a step liquid pump is entered in modified pond 31, the reaction of formula ratio calcium aluminate is progressively dropped under agitation condition, after having reacted, material in cooling tower 33 after air cooling, enter separate tank 34 to add flocculation agent and carry out flocculation separation, after quiescent settling, supernatant liquor is put into work in-process pond 37; Flocculation separation slag pumps into reaction tank 21 from separation slag saving pond 35, when slag in question response pond 21 reaches process stipulation disposal amount, add the reaction of formula ratio hydrochloric acid, sulfuric acid and water, after slag has reacted, material enters reaction tank transfer pond 22 by previous process flow process and carries out flocculation separation.
Fig. 4 is the structural representation of roller drying system, as shown in the figure, roller drying system comprises dry liquid high level tank 41, drying drum 42 and finished belt transfer roller 43, described work in-process pond 37 is communicated with dry liquid high level tank 41 by work in-process liquid pump 44, dry liquid high level tank 41 is communicated with the dry liquid entrance of drying drum 42, and the solid outlet of drying drum 42 is just to finished belt transfer roller 43; The quantity of described drying drum 42 is 20 and parallel with one another, and described drying drum 42 is provided with high-altitude vapor discharge channel 45, and the quantity of described work in-process liquid pump 44 is two and parallel with one another.In work in-process pond 37, work in-process liquid is by the dry liquid high level tank 41 of work in-process liquid pump 44 suction, carry out high temperature dehydration drying by dry liquid high level tank 41 feed liquid that distributes to each drying drum 42, the solid poly aluminium chloride through roller drying is carried by finished belt transfer roller 43.
Fig. 5 is the structural representation of crushing packing system, as shown in the figure, crushing packing system comprises feeding hopper 51, crusher 52, chapelet 53, finished product bin 54 and metering packing system 55, described finished belt transfer roller 43 is connected with feeding hopper 51, feeding hopper 51 is connected with crusher 52, crusher 52 is connected with chapelet 53, and chapelet 53 is connected with finished product bin 54, and finished product bin 54 is connected with metering packing system 55.Solid poly aluminium chloride enters finished product bin 54 after crusher 52 fragmentation, then calculates packaging.
Fig. 6 is the structural representation of slag treatment system, as shown in the figure, slag treatment system comprises slag wash trough 61, slag pressure filter 62, slag dryer 63 and wastewater disposal basin 64, the filter-press residues outlet of described main pressure filter 24 is communicated with slag wash trough 61, described slag wash trough 61 is communicated with the entrance of slag pressure filter 62 by washed-residue transferpump 65, the filter-press residues outlet of slag pressure filter 62 is communicated with slag dryer 63, the liquid exit of slag pressure filter 62 is communicated with wastewater disposal basin 64, and wastewater disposal basin 64 is communicated with modified pond 31 with reaction tank 21 respectively by waste water pump 66; The filter-press residues outlet of described main pressure filter 24 is communicated with slag wash trough 61 by rotary conveyor, the filter-press residues outlet of described slag pressure filter 62 is communicated with slag dryer 63 by rotary conveyor, described slag wash trough 61 is provided with agitator, the quantity of described slag pressure filter 62 is two and parallel with one another, and described wastewater disposal basin 64 is communicated with tap water pipe network.After the press filtration of main pressure filter 24, filter-press residues enters slag wash trough 61, press filtration again after employing fresh water wash to neutrality, finally enter slag dryer 63 to be taken out by after waste heat boiler steam drying, slag washes and tail gas absorption waste water send into reaction tank 21 after integrating with wastewater disposal basin 64 and modified pond 31 is applied mechanically.
Fig. 7 is the structural representation of tail gas absorbing system, as shown in the figure, the gas skirt that tail gas absorbing system comprises tail gas absorber 71 and is arranged on above main pressure filter 24, the exhaust gas entrance of described tail gas absorber 71 is communicated with the exhaust steam passage at gas skirt top with reaction tank 21, reaction tank transfer pond 22, modified pond 31 respectively, the absorption liquid entrance of described tail gas absorber 71 is communicated with tap water pipe network, and the absorption liquid outlet of tail gas absorber 71 is communicated with wastewater disposal basin 64.What produce in production process is collected into tail gas absorber 71 absorbs containing sour waste gas is unified, absorbs waste water and slag washes and integrates with wastewater disposal basin 64 and send into reaction tank 21 afterwards and modified pond 31 is applied mechanically.
The main pressure filter of the present embodiment and slag pressure filter adopt the pressure filter of same structure, the pressure filter of the present embodiment comprises frame 101, pressure strip 102 and thrust plate 103, press filtration unit is provided with between pressure strip 102 and thrust plate 103, frame 101 is provided with the hydro-cylinder 104 for promoting pressure strip 102 movement, and thrust plate 103 is provided with material access aperture 105.Preferably, frame 101 is provided with the crossbeam 106 for press filtration single element move guiding, makes press filtration unit can movement stably, and all press filtration unit can align.Press filtration unit comprises press filtration frame 107, two pieces of filter press plates be all slidably matched with it 108 are provided with in press filtration frame 107, the center correspondence of two pieces of filter press plates 108 is provided with feed port 109, the surrounding of feed port 109 is provided with fluid hole 110, and feed port 109 inner sleeve of two pieces of filter press plates 108 is equiped with the feed-pipe 111 be slidably matched with it, the two ends end face of press filtration frame 107 is equipped with filter cloth 112, the two ends mouth of pipe of feed-pipe 111 extends respectively and stretches out outside filter cloth 112, press filtration frame 107 is also provided with the driving mechanism for driving two pieces of opposing motions of filter press plate 108.The opposing end face of two pieces of filter press plates 108 of the present embodiment is provided with the groove of indent, and the width of filter press plate 108 is less than the half of press filtration frame 107 width, can form filter chamber easily between two press filtration unit.
Further, driving mechanism comprises the driver element being separately positioned on press filtration frame about 107 both sides or the left and right sides, and the driver element of the present embodiment is separately positioned on press filtration frame about 107 both sides, can drive filter press plate 108 steadily movement.Driver element comprises the erecting frame 113 be arranged on press filtration frame 107, erecting frame 113 is provided with and drives hydro-cylinder 114, the piston rod of driving hydro-cylinder 114 is provided with the voussoir 115 for driving two pieces of opposing movements of filter press plate 108, be provided with the gap 116 coordinated with voussoir 115 between two pieces of filter press plates 108, press filtration frame 107 is provided with the through hole 117 passed through for voussoir 115.The voussoir 115 of the present embodiment, in isosceles triangle, utilizes and drives hydro-cylinder 114 to drive voussoir 115 to move, voussoir 115 can be utilized to drive two pieces of opposing movements of filter press plate 108.
On the inwall of the press filtration frame 107 of the present embodiment, compartment of terrain is provided with chute 118, the outer wall of filter press plate 108 is provided with the slide block 119 coordinated with chute 118, the two ends of chute 118 are respectively equipped with for preventing two pieces of filter press plates 108 from skidding off position limiting structure outside press filtration frame 107, and the position limiting structure of the present embodiment is the limited block 120 being arranged on press filtration frame 107 two ends.Adopt the press filtration unit of this structure, the movement of filter press plate 108 in press filtration frame 107 can be made more steady.
Further, linkage assembly is equipped with between the outer wall of adjacent two press filtration frames 107 and near between the press filtration frame 107 of pressure strip 108 and the outer wall of pressure strip 102, linkage assembly comprises four two hinge bars 121, four two hinge bars 121 are hingedly connected together between two and form diamond structure, wherein two relative summits of diamond structure to be articulated and connected respectively on adjacent two press filtration frames 107 or near the press filtration frame 107 of pressure strip 108 with on pressure strip 102.By arranging linkage assembly, when hydro-cylinder 104 drives pressure strip 102 to move, under the effect of linkage assembly, all press filtration frames 107 all can be slided along crossbeam 106 by driving, namely can realize the opening and closing of filter chamber easily.
The cooling tower of the present embodiment comprises housing 201, the top of housing 201 is provided with cushion chamber 202, the bottom of housing 201 is provided with lower cushion chamber 203, cooling unit is provided with between upper cushion chamber 202 and lower cushion chamber 203, the entrance 204 entered for flowing material to be cooled is provided with in upper cushion chamber 202, be provided with the outlet 205 of flowing out for flowing material to be cooled in lower cushion chamber 203, be provided with funnel 217 bottom the lower cushion chamber 203 of the present embodiment, outlet 205 is arranged on funnel 217.Cooling unit comprises the cooling tube 206 be connected with lower cushion chamber 203 with upper cushion chamber 202 respectively, cooling tube 206 overcoat is equiped with heat-eliminating medium pipe 207, the lower end of heat-eliminating medium pipe 207 is provided with cushion chamber 208 under heat-eliminating medium, the upper end of heat-eliminating medium pipe 207 is provided with cushion chamber 209 on heat-eliminating medium, be provided with heat-eliminating medium entrance 210 in cushion chamber 208 under heat-eliminating medium, heat-eliminating medium be provided with heat-eliminating medium outlet 211 in cushion chamber 209.
Further, between upper cushion chamber 202 and lower cushion chamber 203, annular is laid with at least one circle cooling unit from outside to inside, the heat-eliminating medium coil pipe 212 be connected with heat-eliminating medium entrance 211 is provided with in cushion chamber 208 under the heat-eliminating medium of the present embodiment, on heat-eliminating medium coil pipe 212, compartment of terrain is provided with air outlet, and air outlet annular is uniform to be arranged on heat-eliminating medium coil pipe 212.Heat-eliminating medium coil pipe 212 encloses cooling unit one_to_one corresponding with each and is set to multiple, the heat-eliminating medium coil pipe 212 of the present embodiment is coated at outside a circle cooling unit corresponding with it, communicating pipe 213 is provided with between two adjacent heat-eliminating medium coil pipes 212, be positioned at outermost heat-eliminating medium coil pipe 212 to be connected with heat-eliminating medium entrance 211, so, heat-eliminating medium can enter in each circle heat-eliminating medium pipe 207 more equably, ensures uniform cooling performance.
Further, on cooling tube 206, compartment of terrain is provided with at least one buffering joint 214, buffering joint 214 comprises cushion plugs 215, cushion plugs 215 is provided with the communication port 216 circulated for flowing material to be cooled, the section area sum of all communication port 216 is 0.2-0.8 with the ratio of the section area of cooling tube 206, the section area sum of all communication port 216 of the present embodiment is 0.5 with the ratio of the section area of cooling tube 6, by arranging buffering joint 214, the flow velocity of flowing material to be cooled can be reduced, the flow velocity of flowing material to be cooled can be regulated easily, improve cooling performance.
The above embodiment is only for absolutely proving the preferred embodiment that the utility model is lifted, and protection domain of the present utility model is not limited thereto.The equivalent alternative or conversion that those skilled in the art do on the utility model basis, all within protection domain of the present utility model.Protection domain of the present utility model is as the criterion with claims.
Claims (10)
1. a high-efficiency cleaning production equipment for solid poly aluminium chloride, is characterized in that: comprise sour can system, single step reaction system, two step reactive systems, roller drying system, crushing packing system, slag treatment system and tail gas absorbing system;
Described sour can system comprises sulfuric acid storage tank system and hydrochloric acid tank system, sulfuric acid storage tank system comprises sulfuric acid storage tank and sulfuric acid unloading pump, sulfuric acid pump outlet of unloading is communicated with sulfuric acid storage tank, hydrochloric acid tank system comprises hydrochloric acid tank, hydrochloric acid unloading pump and hydrochloric acid transferpump, hydrochloric acid pump outlet of unloading is communicated with hydrochloric acid tank, and the entrance of hydrochloric acid transferpump is communicated with hydrochloric acid tank;
Described single step reaction system comprises reaction tank, reaction tank transfer pond, flocculating agent formulation tank I, main pressure filter and a step liquid pool, described hydrochloric acid conveying pump outlet is communicated with reaction tank, described sulfuric acid storage tank is communicated with reaction tank, described reaction tank is provided with bauxitic clay charging opening, 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 entrance of main pressure filter by a step liquid muddy material pump, and the liquid exit of main pressure filter is communicated with a step liquid pool;
Described two step reactive systems comprise modified pond, modified Chi Zhongzhuanchi, cooling tower, separate tank, be separated 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 be separated slag saving pond and be communicated with, be separated slag saving pond to be communicated with reaction tank by being separated slag transferpump,
Described roller drying system comprises dry liquid high level tank, drying drum and finished belt transfer roller, described work in-process pond is communicated with dry liquid high level tank by work in-process liquid pump, dry liquid high level tank is communicated with the dry liquid entrance of drying drum, and the solid outlet of drying drum is just to finished belt transfer roller;
Described crushing packing system comprises feeding hopper, crusher, chapelet, finished product bin and metering packing system, described finished belt transfer roller is connected with feeding hopper, feeding hopper is connected with crusher, crusher is connected with chapelet, chapelet is connected with finished product bin, and finished product bin is connected with metering packing system;
Described slag treatment system comprises slag wash trough, slag pressure filter, slag dryer and wastewater disposal basin, the filter-press residues outlet of described main pressure filter is communicated with slag wash trough, described slag wash trough is communicated with the entrance of slag pressure filter by washed-residue transferpump, the filter-press residues outlet of slag pressure filter is communicated with slag dryer, the liquid exit of slag pressure filter is communicated with wastewater disposal basin, and wastewater disposal basin is communicated with modified pond with reaction tank respectively by waste water pump;
Described tail gas absorbing system comprises tail gas absorber and is arranged on the gas skirt above main pressure filter, the exhaust gas entrance of described tail gas absorber is communicated with the exhaust steam passage at gas skirt top with reaction tank, reaction tank transfer pond, modified pond respectively, the absorption liquid entrance of described tail gas absorber is communicated with tap water pipe network, and the absorption liquid outlet of tail gas absorber is communicated with wastewater disposal basin;
Described main pressure filter and slag pressure filter adopt the pressure filter of same structure, described pressure filter comprises frame, pressure strip and thrust plate, press filtration unit is provided with between described pressure strip and thrust plate, described frame is provided with the hydro-cylinder for promoting described pressure strip movement, and described thrust plate is provided with material access aperture, described press filtration unit comprises press filtration frame, two pieces of filter press plates be all slidably matched with it are provided with in described press filtration frame, the center correspondence of two pieces of described filter press plates is provided with feed port, and the feed port inner sleeve of two pieces of described filter press plates is equiped with the feed-pipe be slidably matched with it, the two ends end face of described press filtration frame is equipped with filter cloth, the two ends mouth of pipe of described feed-pipe extends respectively and stretches out outside described filter cloth, described press filtration frame is also provided with the driving mechanism for driving two pieces of opposing motions of described filter press plate,
Described cooling tower comprises housing, the top of described housing is provided with cushion chamber, the bottom of housing is provided with lower cushion chamber, cooling unit is provided with between described upper cushion chamber and described lower cushion chamber, be provided with the entrance entered for flowing material to be cooled in described upper cushion chamber, in described lower cushion chamber, be provided with the outlet of flowing out for flowing material to be cooled; Described cooling unit comprises the cooling tube be connected with lower cushion chamber with described upper cushion chamber respectively, described cooling tube overcoat is equiped with heat-eliminating medium pipe, the lower end of described heat-eliminating medium pipe is provided with cushion chamber under heat-eliminating medium, the upper end of heat-eliminating medium pipe is provided with cushion chamber on heat-eliminating medium, be provided with heat-eliminating medium entrance in cushion chamber under described heat-eliminating medium, described heat-eliminating medium be provided with heat-eliminating medium outlet in cushion chamber.
2. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, it is characterized in that: described driving mechanism comprises the driver element being separately positioned on the described upper and lower both sides of press filtration frame or the left and right sides, described driver element comprises the erecting frame be arranged on described press filtration frame, described erecting frame is provided with driving hydro-cylinder, the piston rod of described driving hydro-cylinder is provided with the voussoir for driving two pieces of opposing movements of described filter press plate, the gap coordinated with described voussoir is provided with between two pieces of described filter press plates, described press filtration frame is provided with the through hole passed through for described voussoir.
3. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 2, is characterized in that: the cross section of described voussoir is isosceles triangle.
4. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, it is characterized in that: on the inwall of described press filtration frame, compartment of terrain is provided with chute, the outer wall of described filter press plate is provided with the slide block coordinated with described chute, and the two ends of described chute are respectively equipped with for preventing two pieces of described filter press plates from skidding off position limiting structure outside described press filtration frame.
5. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, is characterized in that: described frame is provided with the crossbeam for described press filtration single element move guiding.
6. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, it is characterized in that: between the outer wall of adjacent two described press filtration frames, and be equipped with linkage assembly near between the described press filtration frame of described pressure strip and the outer wall of described pressure strip, described linkage assembly comprises four two hinge bars, four described pair of hinge bars are hingedly connected together between two and form diamond structure, wherein two relative summits of described diamond structure to be articulated and connected on adjacent two described press filtration frames or respectively near on the described press filtration frame of described pressure strip and described pressure strip.
7. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, is characterized in that: between described upper cushion chamber and lower cushion chamber, annular is laid with at least one circle cooling unit from outside to inside.
8. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 7, it is characterized in that: be provided with the heat-eliminating medium coil pipe be connected with described heat-eliminating medium entrance under described heat-eliminating medium in cushion chamber, on described heat-eliminating medium coil pipe, compartment of terrain is provided with air outlet.
9. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 8, is characterized in that: described heat-eliminating medium coil pipe and each enclose described cooling unit one_to_one corresponding and be set to multiple; And described heat-eliminating medium coil pipe is coated at outside the described cooling unit of a circle corresponding with it; Be provided with communicating pipe between adjacent two described heat-eliminating medium coil pipes, be positioned at outermost described heat-eliminating medium coil pipe and be connected with described heat-eliminating medium entrance.
10. the high-efficiency cleaning production equipment of solid poly aluminium chloride according to claim 1, it is characterized in that: on described cooling tube, compartment of terrain is provided with at least one buffering joint, described buffering joint comprises cushion plugs, and described cushion plugs is provided with the communication port circulated for flowing material to be cooled; The section area sum of all described communication port is 0.2-0.8 with the ratio of the section area of described cooling tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420825089.0U CN204454624U (en) | 2014-12-24 | 2014-12-24 | The high-efficiency cleaning production equipment of solid poly aluminium chloride |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420825089.0U CN204454624U (en) | 2014-12-24 | 2014-12-24 | The high-efficiency cleaning production equipment of solid poly aluminium chloride |
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| Publication Number | Publication Date |
|---|---|
| CN204454624U true CN204454624U (en) | 2015-07-08 |
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|---|---|---|---|
| CN201420825089.0U Expired - Fee Related CN204454624U (en) | 2014-12-24 | 2014-12-24 | The high-efficiency cleaning production equipment of solid poly aluminium chloride |
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| Country | Link |
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| CN (1) | CN204454624U (en) |
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2014
- 2014-12-24 CN CN201420825089.0U patent/CN204454624U/en not_active Expired - Fee Related
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Granted publication date: 20150708 Termination date: 20171224 |