CN203683134U - Energy-saving and environment-friendly system for producing solid polyaluminium chloride (PAC) with liquid PAC - Google Patents
Energy-saving and environment-friendly system for producing solid polyaluminium chloride (PAC) with liquid PAC Download PDFInfo
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- CN203683134U CN203683134U CN201320768167.3U CN201320768167U CN203683134U CN 203683134 U CN203683134 U CN 203683134U CN 201320768167 U CN201320768167 U CN 201320768167U CN 203683134 U CN203683134 U CN 203683134U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model discloses an energy-saving and environment-friendly system for producing solid polyaluminium chloride (PAC) with liquid PAC. The production system comprises a drying system, a breaking and packaging system and a boiler system, wherein the drying system comprises a liquid PAC delivery pump, a drying liquid high level tank, a drum drying device and a finished product belt conveyor; the drum drying device comprises a plurality of drying units; each drying unit comprises a drying drum, a scraper, a feed liquid disc, a feed pipe and a material receiving plate; the breaking and packaging system comprises a feeding hopper, a breaker, a bucket elevator, a finished product bin and a metering and packaging system; the boiler system comprises a conduction oil boiler, a waste heat boiler, a desulphurization and dust removal device and a high-altitude chimney. The system can save energy, reduce consumption and emission, reduce the cost of drying energy consumption and ensure the quality of a solid PAC product.
Description
Technical field
The utility model belongs to poly aluminium chloride production technical field, relates to a kind of energy-conserving and environment-protective production system of liquid poly aluminium chloride production solid poly aluminium chloride.
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.
Liquid poly aluminium chloride is dried with spraying solid poly aluminium chloride or roller drying obtains, still, and the existing following shortcoming of system ubiquity of utilizing liquid poly aluminium chloride to produce solid poly aluminium chloride:
1) the roller drying device heat exchanger effectiveness using is not high, heats inhomogeneously, can not effectively utilize the heat energy of thermal oil, is unfavorable for energy-saving and cost-reducing and reduces discharging;
2) flow setting is reasonable not, causes energy consumption for drying high cost, and the transportation processing of the solid poly aluminium chloride of process roller drying also relatively wastes time and energy;
3) the dry solid poly aluminium chloride obtaining can present bulk and hardens, if directly packaging sale can affect product quality image;
4) while utilizing boiler heating thermal oil, not high to the heat utilization rate of boiler systems, and also not effectively processing of the coal-fired flue-gas that boiler systems is produced, particularly dust content does not reach emission standard.
Summary of the invention
In view of this, the purpose of this utility model is to provide a kind of liquid poly aluminium chloride to produce the energy-conserving and environment-protective production system of solid poly aluminium chloride, save energy, and consumption reduction reduces discharging, and reduces energy consumption for drying cost, and ensures solid poly aluminium chloride quality product.
For achieving the above object, the utility model provides following technical scheme:
Liquid poly aluminium chloride of the present utility model is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, comprises dehumidification system, crushing packing system and boiler systems;
Described dehumidification system comprises liquid poly aluminium chloride transferpump, dry liquid high level tank, roller drying device and finished belt transfer roller; Described roller drying device comprises several drying units, and each drying unit comprises drying drum, scraper, feed liquid dish, feed-pipe and the plate that connects material; Described drying drum comprises urceolus, inner core, oil inlet pipe, oil outlet pipe, splitter and spray bar, described urceolus is coated between inner core and urceolus and inner core and forms oil pocket, described spray bar is arranged in oil pocket and spray bar is provided with nozzle opening, described oil inlet pipe one end is stretched into oil pocket and is communicated with spray bar by splitter from urceolus end face, and oil pocket is stretched into from urceolus other end in described oil outlet pipe one end; The blade of described scraper is close to outer tube outer surface, and described feed liquid dish is arranged at urceolus below and urceolus bottom is positioned at feed liquid dish, and the described feed-pipe mouth of pipe is just to feed liquid dish, described in the plate that connects material tilt to install, on the plate that connects material, rectify scraper; Described liquid poly aluminium chloride transferpump is communicated with dry liquid high level tank, and dry liquid high level tank is communicated with the feed-pipe of roller drying device, under the plate that connects material of roller drying device, rectifies 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 boiler systems comprises heat conducting oil boiler, waste heat boiler, desulfation dust-extraction device and high-altitude chimney; Described heat conducting oil boiler is provided with thermal oil inlet duct, thermal oil outlet conduit and coal-fired flue-gas pipeline, waste heat boiler is provided with feedwater piping, steam-pipe, smoke inlet pipeline and exhanst gas outlet pipeline, and desulfation dust-extraction device is provided with smoke inlet pipeline and exhanst gas outlet pipeline; The coal-fired flue-gas pipeline of described heat conducting oil boiler and the smoke inlet pipeline communication of waste heat boiler, the exhanst gas outlet pipeline of waste heat boiler and the smoke inlet pipeline communication of desulfation dust-extraction device, the exhanst gas outlet pipeline of desulfation dust-extraction device is communicated with high-altitude chimney, and the feedwater piping of waste heat boiler is communicated with tap water pipe network; The thermal oil outlet conduit of described heat conducting oil boiler is communicated with the oil inlet pipe of drying drum, and the oil outlet pipe of drying drum is communicated with the thermal oil inlet duct of heat conducting oil boiler.
Further, the nozzle opening on described spray bar is just to urceolus.
Further, on two end faces of described urceolus, be respectively equipped with axle sleeve, described oil inlet pipe and oil outlet pipe are provided with sealing-ring respectively through axle sleeve and body and axle sleeve.
Further, each drying unit also comprises the dust gathering arrester that is arranged at urceolus top.
Further, the quantity of described drying unit is 20.
Further, the quantity of described liquid poly aluminium chloride transferpump is two and parallel with one another.
Further, described finished product bin is seal silo, and finished product bin top is provided with Waste gas outlet, and Waste gas outlet bottom is provided with fly-ash separator.
Further, described desulfation dust-extraction device comprises dry collector, thionizer and wet electrical dust precipitator, the outlet of described dry collector is communicated with the smoke inlet of thionizer by blower fan, the exhanst gas outlet of described thionizer is communicated with the entrance of wet electrical dust precipitator, and the outlet of described wet electrical dust precipitator is communicated with high-altitude chimney.
Further, described desulfation dust-extraction device also comprises the heat recovery heat exchanger being arranged on before dry collector, the thermal medium entrance of described heat recovery heat exchanger is communicated with the exhanst gas outlet pipeline of waste heat boiler, thermal medium outlet is communicated with the entrance of dry collector, cold medium inlet is communicated with tap water pipe network, and cold media outlet is communicated with the feedwater piping of waste heat boiler.
The beneficial effects of the utility model are:
1) the utility model is provided with dry liquid high level tank, first by dry the suction of liquid poly aluminium chloride liquid high level tank, carrying out high temperature dehydration by dry liquid high level tank distribution feed liquid to each drying unit of roller drying device is dried, thereby the object that has reached uniform distribution with succinct technical process efficiently, has reduced energy consumption for drying cost;
2) roller drying device that the utility model uses is high-efficiency heat conduction oil formula roller drying device, this device adopts the form of spray that thermal oil is sprayed onto on cylinder surface, forming oil film contacts with cylinder, can at utmost realize the contact area of thermal oil and cylinder surface, thereby improve the efficiency of its heat exchange, realize maximum utilization to heat in thermal oil, can save energy, consumption reduction reduces discharging;
3) the utility model is also provided with the finished belt transfer roller matching with drying drum, the product centralized collection of multiple cylinders being produced by finished belt transfer roller is carried, avoid artificially collecting and transported drying products, greatly reduced labour intensity, saved cost;
4) the utility model is also provided with crusher, before solid poly aluminium chloride enters finished product bin, first it is carried out to fragmentation, is hardened and has been ensured quality product by broken finished product;
5) the utility model is provided with heat conducting oil boiler and waste heat boiler in boiler systems, heat conducting oil boiler is to heat-conducting oil heating, and waste heat boiler reclaims coal-fired flue-gas waste heat for generating steam, and steam is miscellaneous equipment heat supply, the heat energy of boiler systems is fully utilized, and has reached energy-saving and cost-reducing object;
6) the utility model arranges dry collector and wet electrical dust precipitator completes flue gas ash removal jointly in desulfation dust-extraction device, in ensureing desulfuration efficiency, has improved dust-removal system efficiency, has reduced dust emission concentration, has reached the object that environment-protecting clean is produced.
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 of dehumidification system;
Fig. 2 is the main TV structure schematic diagram of a drying unit of roller drying device;
Fig. 3 is the left TV structure schematic diagram of a drying unit of roller drying device;
Fig. 4 is the structural representation that drying drum and finished belt transfer roller are used in conjunction with;
Fig. 5 is the structural representation of crushing packing system;
Fig. 6 is the structural representation of boiler systems.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present utility model is described in detail.
Liquid poly aluminium chloride of the present utility model is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, comprises dehumidification system, crushing packing system and boiler systems.
Fig. 1 is the structural representation of dehumidification system, Fig. 2 is the main TV structure schematic diagram of a drying unit of roller drying device, Fig. 3 is the left TV structure schematic diagram of a drying unit of roller drying device, Fig. 4 is the structural representation that drying drum and finished belt transfer roller are used in conjunction with, as shown in the figure, described dehumidification system comprises liquid poly aluminium chloride transferpump 1, dry liquid high level tank 2, roller drying device and finished belt transfer roller 3; Described roller drying device comprises several drying units, and each drying unit comprises drying drum 4, scraper 5, feed liquid dish 6, feed-pipe 7 and the plate 8 that connects material; Described drying drum 4 comprises urceolus 41, inner core 42, oil inlet pipe 43, oil outlet pipe 44, splitter 45 and spray bar 46, described urceolus 41 is coated between inner core 42 and urceolus 41 and inner core 42 and forms oil pocket 47, described spray bar 46 is arranged in oil pocket 47 and spray bar 46 is provided with nozzle opening 48, described oil inlet pipe 43 one end are stretched into oil pocket 47 and are communicated with spray bar 46 by splitter 45 from urceolus 41 end faces, and oil pocket 47 is stretched into from urceolus 41 other ends in described oil outlet pipe 44 one end; The blade of described scraper 5 is close to urceolus 41 outside surfaces, and described feed liquid dish 6 is arranged at urceolus 41 belows and urceolus 41 bottoms are positioned at feed liquid dish 6, and described feed-pipe 7 mouths of pipe are just to feed liquid dish 6, described in the plate 8 that connects material tilt to install, on the plate 8 that connects material, rectify scraper 5; Described liquid poly aluminium chloride transferpump 1 is communicated with dry liquid high level tank 2, and dry liquid high level tank 2 is communicated with the feed-pipe 7 of roller drying device, and the plate that connects material of roller drying device is rectified finished belt transfer roller 3 for 8 times.
Fig. 5 is the structural representation of crushing packing system, as shown in the figure, described crushing packing system comprises feeding hopper 9, crusher 10, chapelet 11, finished product bin 12 and metering packing system 13, described finished belt transfer roller 3 is connected with feeding hopper 9, feeding hopper 9 is connected with crusher 10, crusher 10 is connected with chapelet 11, and chapelet 11 is connected with finished product bin 12, and finished product bin 12 is connected with metering packing system 13.
Fig. 6 is the structural representation of boiler systems, and as shown in the figure, described boiler systems comprises heat conducting oil boiler 14, waste heat boiler 15, desulfation dust-extraction device 16 and high-altitude chimney 17; Described heat conducting oil boiler 14 is provided with thermal oil inlet duct 18, thermal oil outlet conduit 19 and coal-fired flue-gas pipeline 20, waste heat boiler 15 is provided with feedwater piping 21, steam-pipe 22, smoke inlet pipeline 23 and exhanst gas outlet pipeline 24, and desulfation dust-extraction device 16 is provided with smoke inlet pipeline 25 and exhanst gas outlet pipeline 26; The coal-fired flue-gas pipeline 20 of described heat conducting oil boiler 14 is communicated with the smoke inlet pipeline 23 of waste heat boiler 15, the exhanst gas outlet pipeline 24 of waste heat boiler 15 is communicated with the smoke inlet pipeline 25 of desulfation dust-extraction device 16, the exhanst gas outlet pipeline 26 of desulfation dust-extraction device 16 is communicated with high-altitude chimney 17, and the feedwater piping 21 of waste heat boiler 15 is communicated with tap water pipe network; The thermal oil outlet conduit 19 of described heat conducting oil boiler 14 is communicated with the oil inlet pipe 43 of drying drum 4, and the oil outlet pipe 44 of drying drum 4 is communicated with the thermal oil inlet duct 18 of heat conducting oil boiler 14.
Working process of the present utility model is: liquid poly aluminium chloride, by the dry liquid high level tank 2 of liquid poly aluminium chloride transferpump 1 suction, carries out high temperature dehydration by dry liquid high level tank 2 distribution feed liquids to each drying unit of high-efficiency heat conduction oil formula roller drying device and is dried; When drying drum 4 is worked, heat conducting oil boiler 14 heats thermal oil, thermal oil after heating is supplied with oil inlet pipe 43 by oil pump, through splitter 45 and spray bar 46, then spray at urceolus 41 internal surfaces, urceolus 41 is heated, thermal oil is under the effect of self gravitation, progressively collect downwards, in the time that the degree of depth of the thermal oil collecting exceedes the height of oil outlet pipe 44, thermal oil is discharged through oil outlet pipe 44, returns to heat conducting oil boiler 14, urceolus 41 and inner core 42 rotate in the course of the work, and oil inlet pipe 43 and oil outlet pipe 44 are motionless; When urceolus 41 slow circumvolve after heat-conducting oil heating, liquid poly aluminium chloride in feed liquid dish 6 is film like and is attached to urceolus 41 outside surfaces, moisture is vaporized, fall apart in ambient air, the solid poly aluminium chloride that is attached to urceolus 41 is scraped by scraper 5 in the form of sheets, drop on equably and connect material on plate 8, be then slipped on finished belt transfer roller 3, the solid poly aluminium chloride product centralized collection of multiple cylinders being produced by finished belt transfer roller 3 is carried; The solid poly aluminium chloride that finished belt transfer roller 3 is carried enters finished product bin 12 after crusher 10 fragmentations, then calculates packaging; And the coal-fired flue-gas of heat conducting oil boiler 14 absorbs waste heat for generating steam through waste heat boiler 15, steam is miscellaneous equipment heat supply, and coal-fired flue-gas through desulfation dust-extraction device 16 desulfurization and dedustings, discharges through high-altitude chimney 17 after waste heat boiler 15.
As further improvement of the utility model, the nozzle opening 48 on described spray bar 46 is just to urceolus 41; Directly thermal oil is sprayed on urceolus 41 internal surfaces.
As further improvement of the utility model, on 41 two end faces of described urceolus, be respectively equipped with axle sleeve 49, described oil inlet pipe 43 and oil outlet pipe 44 are provided with sealing-ring 40 respectively through axle sleeve 49 and body and axle sleeve; It is in order to prevent that thermal oil from leaking that axle sleeve 49 and sealing-ring 40 are set.
As further improvement of the utility model, each drying unit also comprises the dust gathering arrester 27 that is arranged at urceolus 41 tops; Dust gathering arrester 27 is in order to prevent that dried pulverulent material from dispersing, and causes product loss and contaminate environment.
In the present embodiment, the quantity of described drying unit is 20, and the quantity of described liquid poly aluminium chloride transferpump 1 is two and parallel with one another.
In the present embodiment, described finished product bin 12 is seal silo, and finished product bin 12 tops are provided with Waste gas outlet 28, and Waste gas outlet 28 bottoms are provided with fly-ash separator 29; After the waste gas dedusting producing during by storage, discharge, effectively controlled the environment of finished product bin.
As further improvement of the utility model, described desulfation dust-extraction device 16 comprises dry collector 30, thionizer 31 and wet electrical dust precipitator 32, the outlet of described dry collector 30 is communicated with the smoke inlet of thionizer 31 by blower fan 33, the exhanst gas outlet of described thionizer 31 is communicated with the entrance of wet electrical dust precipitator 32, and the outlet of described wet electrical dust precipitator 32 is communicated with high-altitude chimney 17.Dry collector 30 and wet electrical dust precipitator 32 complete flue gas ash removal jointly, in ensureing desulfuration efficiency, have improved dust-removal system efficiency, have reduced dust emission concentration, have reached the object that environment-protecting clean is produced.
As further improvement of the utility model, described desulfation dust-extraction device 16 also comprises the heat recovery heat exchanger 34 being arranged on before dry collector 30, the thermal medium entrance of described heat recovery heat exchanger 34 is communicated with the exhanst gas outlet pipeline 24 of waste heat boiler 15, thermal medium outlet is communicated with the entrance of dry collector 30, cold medium inlet is communicated with tap water pipe network, and cold media outlet is communicated with the feedwater piping 21 of waste heat boiler 15.Heat recovery heat exchanger 34 further absorbs fume afterheat preheating for the water of steam occurs, energy-saving and cost-reducing.
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 (9)
1. liquid poly aluminium chloride is produced an energy-conserving and environment-protective production system for solid poly aluminium chloride, it is characterized in that: comprise dehumidification system, crushing packing system and boiler systems;
Described dehumidification system comprises liquid poly aluminium chloride transferpump, dry liquid high level tank, roller drying device and finished belt transfer roller; Described roller drying device comprises several drying units, and each drying unit comprises drying drum, scraper, feed liquid dish, feed-pipe and the plate that connects material; Described drying drum comprises urceolus, inner core, oil inlet pipe, oil outlet pipe, splitter and spray bar, described urceolus is coated between inner core and urceolus and inner core and forms oil pocket, described spray bar is arranged in oil pocket and spray bar is provided with nozzle opening, described oil inlet pipe one end is stretched into oil pocket and is communicated with spray bar by splitter from urceolus end face, and oil pocket is stretched into from urceolus other end in described oil outlet pipe one end; The blade of described scraper is close to outer tube outer surface, and described feed liquid dish is arranged at urceolus below and urceolus bottom is positioned at feed liquid dish, and the described feed-pipe mouth of pipe is just to feed liquid dish, described in the plate that connects material tilt to install, on the plate that connects material, rectify scraper; Described liquid poly aluminium chloride transferpump is communicated with dry liquid high level tank, and dry liquid high level tank is communicated with the feed-pipe of roller drying device, under the plate that connects material of roller drying device, rectifies 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 boiler systems comprises heat conducting oil boiler, waste heat boiler, desulfation dust-extraction device and high-altitude chimney; Described heat conducting oil boiler is provided with thermal oil inlet duct, thermal oil outlet conduit and coal-fired flue-gas pipeline, waste heat boiler is provided with feedwater piping, steam-pipe, smoke inlet pipeline and exhanst gas outlet pipeline, and desulfation dust-extraction device is provided with smoke inlet pipeline and exhanst gas outlet pipeline; The coal-fired flue-gas pipeline of described heat conducting oil boiler and the smoke inlet pipeline communication of waste heat boiler, the exhanst gas outlet pipeline of waste heat boiler and the smoke inlet pipeline communication of desulfation dust-extraction device, the exhanst gas outlet pipeline of desulfation dust-extraction device is communicated with high-altitude chimney, and the feedwater piping of waste heat boiler is communicated with tap water pipe network; The thermal oil outlet conduit of described heat conducting oil boiler is communicated with the oil inlet pipe of drying drum, and the oil outlet pipe of drying drum is communicated with the thermal oil inlet duct of heat conducting oil boiler.
2. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: the nozzle opening on described spray bar is just to urceolus.
3. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: on two end faces of described urceolus, be respectively equipped with axle sleeve, described oil inlet pipe and oil outlet pipe are provided with sealing-ring respectively through axle sleeve and body and axle sleeve.
4. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: each drying unit also comprises the dust gathering arrester that is arranged at urceolus top.
5. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: the quantity of described drying unit is 20.
6. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: the quantity of described liquid poly aluminium chloride transferpump is two and parallel with one another.
7. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: described finished product bin is seal silo, and finished product bin top is provided with Waste gas outlet, and Waste gas outlet bottom is provided with fly-ash separator.
8. liquid poly aluminium chloride according to claim 1 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: described desulfation dust-extraction device comprises dry collector, thionizer and wet electrical dust precipitator, the outlet of described dry collector is communicated with the smoke inlet of thionizer by blower fan, the exhanst gas outlet of described thionizer is communicated with the entrance of wet electrical dust precipitator, and the outlet of described wet electrical dust precipitator is communicated with high-altitude chimney.
9. liquid poly aluminium chloride according to claim 8 is produced the energy-conserving and environment-protective production system of solid poly aluminium chloride, it is characterized in that: described desulfation dust-extraction device also comprises the heat recovery heat exchanger being arranged on before dry collector, the thermal medium entrance of described heat recovery heat exchanger is communicated with the exhanst gas outlet pipeline of waste heat boiler, thermal medium outlet is communicated with the entrance of dry collector, cold medium inlet is communicated with tap water pipe network, and cold media outlet is communicated with the feedwater piping of waste heat boiler.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768167.3U CN203683134U (en) | 2013-11-29 | 2013-11-29 | Energy-saving and environment-friendly system for producing solid polyaluminium chloride (PAC) with liquid PAC |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320768167.3U CN203683134U (en) | 2013-11-29 | 2013-11-29 | Energy-saving and environment-friendly system for producing solid polyaluminium chloride (PAC) with liquid PAC |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324431A (en) * | 2017-08-10 | 2017-11-07 | 江苏省环境科学研究院 | A kind of organic salt bearing liquid wastes segmented gasification detoxification system and method for high concentration |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107324431A (en) * | 2017-08-10 | 2017-11-07 | 江苏省环境科学研究院 | A kind of organic salt bearing liquid wastes segmented gasification detoxification system and method for high concentration |
| CN107324431B (en) * | 2017-08-10 | 2023-05-23 | 江苏省环境科学研究院 | Segmented gasification detoxification system and method for high-concentration organic salt-containing waste liquid |
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