CN206153274U - Flying dust innocent treatment resource regeneration device - Google Patents
Flying dust innocent treatment resource regeneration device Download PDFInfo
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- CN206153274U CN206153274U CN201621178230.8U CN201621178230U CN206153274U CN 206153274 U CN206153274 U CN 206153274U CN 201621178230 U CN201621178230 U CN 201621178230U CN 206153274 U CN206153274 U CN 206153274U
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Abstract
The utility model relates to a flying dust innocent treatment resource regeneration device, it detoxifies including the solid phase catalysis dechlorination that connects gradually and gets rid of dioxin system, the tertiary washing desalination system of waste incineration fly ash, removes heavy metal ion removal system, membrane distillation concentration system and salt crystal system, solid phase catalysis dechlorination is detoxified and is got rid of the dioxin of dioxin system in with the flying dust and get rid of, a large amount of salinities that the tertiary washing desalination system of waste incineration fly ash will get rid of in the flying dust of dioxin are got rid of, also have some heavy metal residual in the tertiary water filter wash liquid after the washing, a large amount of calcium magnesium ions and a small amount of heavy metal ion that go to the heavy metal ion removal system to contain in with tertiary water filter wash liquid get rid of, obtain the supernatant behind the heavy metal ion removal, the membrane distillation concentration system distills the supernatant and produces the water retrieval and utilization to generate the concentrate, the salt crystal system evaporates the crystallization with the concentrate, obtains moisture 7% salt crystal and comdenstion water. The utility model discloses can just can realize utilization with flying dust innocent treatment.
Description
Technical field：
This utility model is related to garbage flying ash process field, more particularly to a kind of flying dust harmless treatment resource
Change regeneration device.
Background technology：
Flying dust is the residue of waste incineration, the carcinogen “ bioxin that waste incineration is produced " 90% all in flying dust.Not
The flying dust of cured process is dealt with improperly, wherein substantial amounts of heavy metal is Ji bioxin can cause serious contamination accident, harm to occupy
People's health.Before, the whole nation only has several cities is carrying out incineration of refuse flyash process.One side flying dust processing cost is very high.
On the other hand due to irregular marketing, not in place, the problem of Cun Evil sexual competitions is supervised, makes " flying dust " to be in " disorderly flying " state.
Flying dust can not obtain safe disposal, will be environmentally hazardous very big hidden danger.
Utility model content：
The purpose of this utility model is for the deficiencies in the prior art part, there is provided a kind of flying dust harmless treatment resource
Regeneration device, by flying dust harmless treatment, and can be capable of achieving recycling.
Technology solution of the present utility model is as follows：
A kind of flying dust harmless treatment resource recycling device, it is included using mineral catalysis agent, induces bioxin
Dechlorination, bioxin in flying dust is removed, and phenyl parent generates nontoxic high poly- product by condensation reaction after dechlorination
Solid catalysis dechlorination removing toxic substances removes bioxin system；The rubbish that a large amount of salinities washing in the flying dust for eliminating bioxin is taken off
Flying ash tertiary effluent eluting salt system；The a large amount of calcium ions and magnesium ions contained in tertiary effluent washing filtrate and a small amount of heavy metal ion are gone
Remove, obtain the supernatant after removing heavy metals goes removing heavy metals system；Supernatant is carried out into distillation and produces Water circulation, and generate concentration
The membrane distillation concentration system of liquid；Crystallization is evaporated with by concentrated solution, obtaining crystal salt and condensed water carries out the salt crystallization of reuse
System；
The solid catalysis dechlorination removing toxic substances removes bioxin system, incineration of refuse flyash tertiary effluent eluting salt system, removes
Heavy metal system, membrane distillation concentration system and salt crystal system are sequentially connected.
Preferably, the solid catalysis dechlorination removing toxic substances removes bioxin system and includes ash silo, the flying dust in ash silo passes through
Flying dust transport vehicle is transported and conveyed, and the discharging opening of ash silo is connected to feed bin, and the discharging opening of the feed bin connects thermal decomposition furnace, and
Thermal decomposition furnace supplements tank and is connected with nitrogen, makes to be in the sealed environment of nitrogen protective gas in thermal decomposition furnace；The heat point
The upper end of solution stove is connected with band water jacket cooling pipe a, and the band water jacket cooling pipe a is connected with cooling dust remover, described cold
But cleaner unit top is connected with band water jacket cooling pipe b, and the band water jacket cooling pipe b is connected with strap pulse dust collector a；
The lower end of the thermal decomposition furnace is connected with charging line, and the lower end of the charging line is connected to the charging of helical feed cooler
Mouthful, the outlet of the helical feed cooler is connected with pipeline a, and pipeline a is connected with strap pulse dust collector b；The spiral shell
The discharge gate of rotation conveying cooler is connected with pipeline b.
Preferably, the incineration of refuse flyash tertiary effluent eluting salt system includes the tertiary effluent salt elution dress being sequentially connected
Put, first order washing desalter includes agitator tank a and the first vacuum belt sucking filtration machine for be connected with agitator tank a, agitator tank a and
Solid catalysis dechlorination removing toxic substances removes bioxin system and is connected, and the discharge end of the first vacuum belt sucking filtration machine is connected to agitator tank b,
Second vacuum belt sucking filtration machine of second level washing desalter is connected with agitator tank b, and the second vacuum belt sucking filtration machine goes out
Material end is connected to agitator tank c, and the 3rd vacuum belt sucking filtration machine of third level washing desalter is connected with agitator tank c, and the 3rd
The discharge end of vacuum belt sucking filtration machine is connected to store up mud tank.
Preferably, the first vacuum belt sucking filtration machine, the second vacuum belt sucking filtration machine and the 3rd vacuum belt sucking filtration
The structure of machine is identical, is provided with vacuum tank in vacuum belt sucking filtration machine, and the conveyer belt of vacuum belt sucking filtration machine is filter cloth, and filter cloth covers
Lid adopts on the vacuum box, on the filter cloth microporous membrane membrane；Be additionally provided with the vacuum belt sucking filtration machine filter cloth tensioner,
Filter cloth correction device and ultrasonic cleaning equipment.
Preferably, described go removing heavy metals system to be connected to the first vacuum belt sucking filtration machine, the first vacuum belt sucking filtration
Smoke filtrate of machine is the washing filtrate after three-level washing, and a smoke filtrate goes removing heavy metals system into described, described
Go removing heavy metals system to include stirring pool a, stirring pool b and the coagulative precipitation tank being connected with each other, go in stirring pool a and stirring pool b
Removing heavy metals ion, stirring pool b is connected to sludge collecting pit a, and sludge collecting pit a is connected to pressure filter a；The coagulative precipitation tank
Interior to remove a large amount of calcium ions and magnesium ions, coagulative precipitation tank is connected to sludge collecting pit b, and sludge collecting pit b is connected to pressure filter b；Filter pressing
Machine b is connected with described storage mud tank.
Preferably, the entrance point of the membrane distillation concentration system goes out liquid by what pipeline was connected to described pressure filter b
Mouthful；The discharge end of membrane distillation concentration system is saline solns, and saline solns enter turbidity removal device, and the saline solns in turbidity removal device pass through
Feed liquid is transported to evaporation and crystallization system by infusion pump.
Preferably, the liquid outlet of the evaporation and crystallization system is connected to filtered water tank, the discharge end of evaporation and crystallization system is
Aqueous 7% crystal salt.
Preferably, the filtered water tank is connected to the 3rd vacuum belt sucking filtration machine, the 3rd vacuum belt sucking filtration by pipeline a
Machine is connected to agitator tank c by pipeline b.
Preferably, also include outside filtered water tank, outside filtered water tank by pipeline and agitator tank a, agitator tank b and is stirred respectively
Mix tank c connections.
The beneficial effects of the utility model are：
Solid catalysis dechlorination of the present utility model removing toxic substances removes bioxin system and has that removing toxic substances efficiency high, energy consumption be low, dechlorination
The advantages of product is safe, it is with the obvious advantage in investment and operating cost, it is the flying ash bioxin removing toxic substances for tallying with the national condition
The possible technique of process.
Incineration of refuse flyash tertiary effluent eluting salt system of the present utility model is using vacuum belt sucking filtration machine to eliminating two
The flying dust of Evil English is carried out continuously three solid-liquid separation, third time is aqueous be less than 50% and flying dust of the saliferous less than 1% transport outward, three times
Smoke filtrate returns agitator tank b is used for agitator tank b washing waters；Secondary smoke filtrate enters agitator tank a and comes for agitator tank a washings
Water；Smoke filtrate is entered goes removing heavy metals system.Simultaneously the 3rd vacuum belt sucking filtration machine needs internal filtered water tank to draw water is carried out
Filter cloth is cleaned, the cleaning waste liquid after cleaning, the water that a part is conveyed into agitator tank c washes stirring for three-level, a part of Jing
Cross and outside filtered water tank continuation reuse is complemented at after filter is filtered；There is part weight in the flying dust of the storage mud tank after washing
Metal residual, mainly there is two classes：One class is both sexes heavy metal, including lead, zinc, exists in cement gel system and leaches risk；Separately
One class is other heavy metals, including copper, nickel, cadmium, chromium etc., it is more stable in cement gel system.Enter to reduce heavy metal
Migratory activity after building materials, using chemical stabilization technology, in the flying dust that stabilizer is added storage mud tank heavy metal inerting is made, with
Reduce leaching the content of heavy metal, make the construction material by flying dust as raw material while meeting environmental risk control standard（HJ/
T 299-2007 and GB 8978-1996）With control of product quality standard（The chapters of GB 30760-2014 the 8th " can soak in clinker
Go out content of beary metal limit value requirement "）.
It is of the present utility model to go removing heavy metals system, because incineration of refuse flyash contains a large amount of calcium ions and magnesium ions and an a small amount of huge sum of money
Category ion, the washing filtrate after three-level washing is exactly a smoke filtrate, washes filtrate heavy-metal ion removal and calcium successively
Magnesium ion, aqueous heavy metal sewage sludge enters sludge collecting pit a, and the sludge in sludge collecting pit a passes through pressure filter a solid-liquid separation,
Running danger is useless outside heavy metal sewage sludge is processed；Aqueous calcium and magnesium sludge enters sludge collecting pit b, and the sludge in sludge collecting pit b passes through
Pressure filter b solid-liquid separation, calcium and magnesium sludge enters storage mud tank, and the supernatant in pressure filter b adds activating agent through pipe-line mixer,
Further go into flotation tank it is turbid, go it is turbid after saline solns enter Membrane Materials system.
Membrane distillation concentration system of the present utility model, using film distillation technology is exchanged in immersion, is low temperature film distillation technology
One kind, be the innovation based on traditional membrane separation technique.Because low temperature film distillation technology is in separation process, only vapor energy
Through hydrophobic fenestra, therefore produced water quality is very pure, water outlet reusable edible, and salinity and concentration polarization are steamed to film
Evaporate impact little, can be used to not know the high-salt wastewater of solubility, the aqueous solution of high concentration inorganic salt can be processed, it might even be possible to
Solution is concentrated to into saturation.In theory Membrane Materials desalination producing water ratio can reach 100%, and this is existing all except salt treatment skill
Art institute is inaccessiable.The technical equipment is applied to organic chemical industry, fine chemistry industry, petrochemical industry, dyestuff, pharmacy, pesticide, print
Various high concentrations of the industries such as dye, papermaking, high salinity, toxicity are big, bio-refractory organic wastewater degraded is processed.
The feed liquid of output in membrane distillation concentration system is concentrated into saliferous rate 50-60% by salt crystal system of the present utility model,
Cooling separates out salt crystallization, and the concentrated solution containing crystallization goes vacuum belt to be dehydrated, and dehydration mother solution returns vapo(u)rization system, aqueous 7% crystal salt pack
Outward transport.Crystallizing evaporator condensed water returns to water wash system and uses as the supplementary water circulation of washing.
Description of the drawings：
This utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation that solid catalysis dechlorination removing toxic substances of the present utility model removes bioxin system；
Fig. 3 is the structural representation of vacuum belt sucking filtration machine of the present utility model；
Symbol description in figure：I-solid catalysis dechlorination removing toxic substances removes bioxin system；II-incineration of refuse flyash tertiary effluent
Eluting salt system；III-go removing heavy metals system；IV-membrane distillation concentration system；V-salt crystal system；1-ash silo；2-fly
Grey transport vehicle；3-feed bin；4-thermal decomposition furnace；5-nitrogen supplements tank；6-band water jacket cooling pipe a；7-cooling dust remover；
8-band water jacket cooling pipe b；9-strap pulse dust collector a；10-charging line；11-helical feed cooler；12-pipe
Road a；13-tape pulse cleaner unit b；14-pipeline b；15-motor；16-conveying auger；17-water tank；18-inlet channel；
19-water return pipeline；20-agitator tank a；21-the first vacuum belt sucking filtration machine；22-agitator tank b；23-the second vacuum belt
Sucking filtration machine；24-agitator tank c；25-the three vacuum belt sucking filtration machine；26-vacuum tank；27-filter cloth；28-filter cloth tensioning dress
Put；29-filter cloth correction device；30-ultrasonic cleaning equipment；31-control chamber；32-water receiving tank；33-stirring pool a；34—
Stirring pool b；35-coagulative precipitation tank；36-sludge collecting pit a；37-pressure filter a；38-sludge collecting pit b；39-pressure filter
b；40-storage mud tank；41-turbidity removal device；42-filtered water tank；43-outside filtered water tank；44-washing water tank.
Specific embodiment：
See accompanying drawing 1～3, a kind of flying dust harmless treatment resource recycling device, it includes the solid phase being sequentially connected
Catalysis dechlorination removing toxic substances remove bioxin system I, incineration of refuse flyash tertiary effluent eluting salt system II, go removing heavy metals system III,
Membrane distillation concentration system IV and salt crystal system V；The solid catalysis dechlorination removing toxic substances removes bioxin system and utilizes mineral catalysis
Agent, induces bioxin dechlorination, and bioxin in flying dust is removed, and phenyl parent is generated nontoxic by condensation reaction after dechlorination
High poly- product；The incineration of refuse flyash tertiary effluent eluting salt system is by a large amount of salinity water in the flying dust for eliminating bioxin
Wash away, also have heavy metal ion residual in part in the tertiary effluent washing filtrate after washing；It is described to go removing heavy metals system
By a large amount of calcium ions and magnesium ions contained in tertiary effluent washing filtrate and a small amount of removal of heavy metal ions, the supernatant after removing heavy metals is obtained
Liquid；Supernatant is carried out distillation and produces Water circulation by the membrane distillation concentration system, and generates concentrated solution；The salt crystal system will be dense
Contracting liquid is evaporated crystallization, and obtaining crystal salt and condensed water carries out reuse.
The solid catalysis dechlorination removing toxic substances removes bioxin system includes ash silo 1, and the flying dust in ash silo is transported by flying dust
Car 2 is transported and conveyed, and the discharging opening of ash silo is connected to feed bin 3, and the steel platform for manually using is provided with the mill floor,
Feed bin band hand stock mouth, in case initial stage detection is quantitatively used, feed bin is hopper construction.
The discharging opening of the feed bin connects thermal decomposition furnace 4, and thermal decomposition furnace supplements tank 5 and is connected with nitrogen, makes heat point
In solution stove in the sealed environment of nitrogen protective gas；The effect in nitrogen as protective gas is needed when thermal decomposition furnace works
Lower work, the burner hearth material of thermal decomposition furnace is rustless steel, and dischargeable capacity is more than 0.8m in burner hearth3.Thermal decomposition furnace highest work temperature
Spend for 450 DEG C, the body of heater skin temperature of thermal decomposition furnace is safe and reliable during work less than 20 DEG C.
The upper end of the thermal decomposition furnace is connected with band water jacket cooling pipe a6, and the band water jacket cooling pipe a is removed with cooling
Dirt device 7 is connected, and the cooling dust remover top is connected with band water jacket cooling pipe b8, the band water jacket cooling pipe b and cloth
Tape pulse cleaner unit a9 is connected.
The lower end of the thermal decomposition furnace is connected with charging line 10, and it is cold that the lower end of the charging line is connected to helical feed
But the charging aperture of device 11, the outlet of the helical feed cooler is connected with pipeline a12, pipeline a and strap pulse dust collector
B13 is connected；The discharge gate of the helical feed cooler is connected with pipeline b14.
The nitrogen supplements tank, cooling dust remover, strap pulse dust collector a and strap pulse dust collector b respectively by propping up
Frame is arranged on mill floor.
The helical feed cooler includes motor 15, conveying auger 16 and water tank 17, and motor is by shaft coupling and conveying
Auger links together, and conveying auger is connected through water tank and with tank seal, and water tank is coated on conveying auger outside on water tank,
Inlet channel 18 and water return pipeline 19 are connected with water tank, inlet channel is arranged on the left bottom of water tank, and water return pipeline is installed
At the top of the left and right sides of water tank, inlet channel 18 and water return pipeline 19 respectively connected cooling water flow in pond, by the He of inlet channel 18
Water return pipeline 19 can make the water in water tank flow, so as to the dust given in conveying auger is lowered the temperature.
The method processed garbage flying ash except dioxin device using garbage flying ash, is comprised the steps：
A, garbage flying ash powder is conveyed into into bucket shape feed bin, typically feeding is carried out by conveyer device, but feed bin band is artificial
Charge door, is fed by steel platform, in case initial stage detection is quantitatively used.
B, nitrogen supplement tank and open, the supplying nitrogen toward in thermal decomposition furnace, make in thermal decomposition furnace with nitrogen as protective gas,
Nitrogen consumption is 20m3/ h, it is ensured that normal reaction in thermal decomposition furnace, makes normal work in thermal decomposition furnace.
Former material materials quantitative in c, feed bin sends into thermal decomposition furnace, the garbage flying ash powder and entrance thermal decomposition in thermal decomposition furnace
Furnace rear, and dynamic Decomposition 1 hour at 300 DEG C～400 DEG C.
The tail gas Jing band water jacket cooling pipe a that d, Jing thermal decomposition furnace decomposes enter cooling dust remover, and Jing thermal decomposition furnaces decompose
Powder Jing charging lines be conveyed into helical feed cooler, such helical feed cooler is also in the environment of nitrogen protector
Work.
E, the tail gas after cooling dust remover are conveyed in strap pulse dust collector a by band water jacket cooling pipe b
Row gathers dust, and tail gas is discharged after strap pulse dust collector a and after exhaust temperature is less than 130 DEG C.
Powder is cooled down and conveyed by f, helical feed cooler, is cooled down and is intake by inlet channel, is returned by water return pipeline
Water, water consumption is 10 tons per hour, and water can be recycled, and the tail gas for being easy to cooling, generation enters cloth tape pulse by pipeline a
Cleaner unit b is gathered dust, and powder is conveyed into discharge gate, and after the cool rear temperature of powder is less than 80 DEG C, is discharged and unloaded by pipeline b
Material.
Former material materials quantitative send into thermal decomposition furnace conveying capacity, toward the nitrogen amount of supplying nitrogen, Jing cloth dai channels in thermal decomposition furnace
The exhaust temperature that rushes after cleaner unit a, powder it is cool but after temperature and thermal decomposition furnace in temperature and thermal decomposition time all by PLC from
Dynamic control, is not required to artificial operation, high degree of automation.
Online oxygen content is separately installed with the band water jacket cooling pipe a, on band water jacket cooling pipe b and on pipeline a
Detection means, online oxygen content detector can detect pressure and can report to the police, pass through when numerical value of the pressure beyond setting
Warning can be easy to people to be judged and overhauled, it is ensured that whole equipment is normally run.
The incineration of refuse flyash tertiary effluent eluting salt system includes the tertiary effluent salt elution device being sequentially connected, the first order
Washing desalter includes agitator tank a20 and the first vacuum belt sucking filtration machine 21 being connected with agitator tank a, agitator tank a and solid phase
Catalysis dechlorination removing toxic substances removes bioxin system and is connected, and the discharge end of the first vacuum belt sucking filtration machine is connected to agitator tank b22, the
Second vacuum belt sucking filtration machine 23 of two grades of washing desalters is connected with agitator tank b, and the second vacuum belt sucking filtration machine goes out
Material end is connected to agitator tank c24, and the 3rd vacuum belt sucking filtration machine 25 of third level washing desalter is connected with agitator tank c,
The discharge end of the 3rd vacuum belt sucking filtration machine is connected to store up mud tank.
The structure phase of the first vacuum belt sucking filtration machine, the second vacuum belt sucking filtration machine and the 3rd vacuum belt sucking filtration machine
Together, it is provided with vacuum tank 26 in vacuum belt sucking filtration machine, the conveyer belt of vacuum belt sucking filtration machine is filter cloth 27, and filter cloth is covered in very
On empty van, microporous membrane membrane is adopted on the filter cloth；Filter cloth tensioner 28, filter cloth is additionally provided with the vacuum belt sucking filtration machine
Deviation correcting device 29 and ultrasonic cleaning equipment 30.
Flying dust and water on filter cloth is mixed, and filter cloth constantly runs, by the vacuum pumping of vacuum suction apparatus
Suction detaches the aqueous solution in the flying dust solution after washing, Drainage tank is sent into, so as to reach the effect of solid-liquid separation.
The filter cloth is corrected in transmit process by filter cloth correction device, and filter cloth passes through filter cloth in transmit process
Tensioner is tensioned, and filter cloth correction device and filter cloth tensioner are by the outside air compressor machine control for arranging.Filter cloth hinders
Plug can occur 1-3 month after use, and microgranule that can be in the micropore by microporous membrane equipped with ultrasonic cleaning equipment is cleaned out,
Guarantee equipment runs well.
The vacuum belt machine is externally provided with control chamber 31, and control chamber is provided with shift knob, sets in scram button, and control chamber
There is the control system of controllable filter cloth transfer rate.The vacuum belt machine lower section is located at water receiving tank 32.
Described go removing heavy metals system to be connected to the first vacuum belt sucking filtration machine, the first vacuum belt sucking filtration machine is once taken out
Filtrate is the washing filtrate after three-level washing, and a smoke filtrate goes removing heavy metals system into described, described to remove removing heavy metals
System includes stirring pool a33, stirring pool b34 and the coagulative precipitation tank 35 being connected with each other, and weight is removed in stirring pool a and stirring pool b
Metal ion, stirring pool b is connected to sludge collecting pit a36, and sludge collecting pit a is connected to pressure filter a37；The coagulative precipitation tank
Interior to remove a large amount of calcium ions and magnesium ions, coagulative precipitation tank is connected to sludge collecting pit b38, and sludge collecting pit b is connected to pressure filter b39；
Pressure filter b is connected with described storage mud tank 40.
The entrance point of the membrane distillation concentration system is connected to the liquid outlet of described pressure filter b by pipeline；Membrane Materials
The discharge end of concentration systems is saline solns, and saline solns enter turbidity removal device 41, and the saline solns in turbidity removal device pass through infusion pump
Feed liquid is transported to into evaporation and crystallization system.
The liquid outlet of the evaporation and crystallization system is connected to filtered water tank, and the discharge end of evaporation and crystallization system is aqueous 7% crystallization
Salt.
The filtered water tank 42 is connected to the 3rd vacuum belt sucking filtration machine by pipeline a, and the 3rd vacuum belt sucking filtration machine passes through
Pipeline b is connected to agitator tank c.
Also include outside filtered water tank 43, outside filtered water tank is connected respectively by pipeline with agitator tank a, agitator tank b and agitator tank c
Connect.
Harmless treatment and resource are carried out to flying dust using a kind of flying dust harmless treatment resource recycling device
The method of regeneration, it is characterised in that：Comprise the steps：
（1）Flying dust is transported by flying dust transport vehicle 2 and is transported in ash silo 1, and the flying dust in ash silo is quantitatively transported to solid phase
Catalysis dechlorination removing toxic substances is removed in bioxin system, is removed in bioxin system in solid catalysis dechlorination removing toxic substances, and flying dust enters solid phase
Catalysis dechlorination removing toxic substances is removed in the feed bin 3 of bioxin system, while adding mineral catalysis agent in feed bin, mineral catalysis agent is eight chlorine
For hexichol, then flying dust and mineral catalysis agent quantitatively carries out bioxin dechlorination into thermal decomposition furnace 4, and phenyl parent passes through after dechlorination
Condensation reaction generates nontoxic high poly- product, so removes bioxin in flying dust.
（2）The fly ash carry for eliminating bioxin enters in incineration of refuse flyash tertiary effluent eluting salt system, initially enters and stirs
Mix in tank a20, then solid-liquid mass ratio 1 is added toward agitator tank by outside filtered water tank 43：4 water is stirred after 30min,
Once stirring flying dust serosity pumps into the first vacuum belt sucking filtration machine 21 carries out first time solid-liquid separation, wherein once aqueous flying dust enters
Enter agitator tank b22, a smoke filtrate is entered goes removing heavy metals system；Solid-liquid matter is added by outside filtered water tank in agitator tank b
Amount compares 1：4 water is stirred 30min, and secondary stirring flying dust serosity pumps into the second vacuum belt sucking filtration machine 23 and carries out second admittedly
Liquid is separated, wherein secondary aqueous flying dust enters agitator tank c24, secondary smoke filtrate enters agitator tank a and comes for agitator tank a washings
Water；Solid-liquid mass ratio 1 is added by outside filtered water tank in agitator tank c：4 water is stirred 30min, triple mixing flying dust slurry
Liquid pump enters the 3rd vacuum belt sucking filtration machine 25 carries out third time solid-liquid separation, third time is aqueous be less than 50% and saliferous be less than 1%
Flying dust outward transport be transported to storage mud tank 40, three smoke filtrates return agitator tank b and are used for agitator tank b washes water；Simultaneously the 3rd is true
Blanking bar formula sucking filtration machine needs internal filtered water tank to draw water carries out filter cloth cleaning, and the cleaning waste liquid after cleaning a, part is conveyed into stirring
Tank c is used for the water that three-level washes stirring, and a part is complemented at outside filtered water tank and continues reuse after filter is filtered；Through
There is part heavy-metal residual in the flying dust of the storage mud tank after washing, mainly there are two classes：One class is both sexes heavy metal, including
Lead, zinc, exist in cement gel system and leach risk；Another kind of is other heavy metals, including copper, nickel, cadmium, chromium etc., in cement
It is more stable in gel rubber system.In order to reduce heavy metal into the migratory activity after building materials, using chemical stabilization technology, will be stable
Agent is added in the flying dust for storing up mud tank and makes heavy metal inerting, to reduce leaching the content of heavy metal, is made by flying dust as raw material
Construction material meets environmental risk control standard and control of product quality standard simultaneously.
（3）Smoke filtrate is exactly the washing filtrate after three-level washing, and washing filtrate enters washing water tank 44,
The water of the washing water tank is pumped into removing heavy metals system is gone, due to containing a large amount of calcium ions and magnesium ions and an a small amount of huge sum of money in washing filtrate
Category ion, washing filtrate is introduced into stirring pool a, while adding heavy metal complexing agent to be pre-formed after little micelle in stirring pool a33
PAC stirring reactions are added from flowing in stirring pool b, stirring pool b, big micelle is further formed, after carrying out preliminary mud-water separation, is contained
Water heavy metal sewage sludge enters sludge collecting pit a36, and the sludge in sludge collecting pit a is by pressure filter a37 solid-liquid separation, heavy metal
Running danger is useless outside sludge is processed；Supernatant in stirring pool b34 enters coagulative precipitation tank 35, and by medicine system sulphuric acid is added,
Sodium carbonate carries out coagulating sedimentation, adds PAC stirring reactions, and further forming big micelle is carried out after preliminary mud-water separation, aqueous calcium
Magnesium sludge enters sludge collecting pit b38, and the sludge in sludge collecting pit b is entered by pressure filter b39 solid-liquid separation, calcium and magnesium sludge
Storage mud tank, the supernatant in pressure filter b through pipe-line mixer add activating agent, further go into flotation tank it is turbid, go it is turbid after
Saline solns enter Membrane Materials system.
（4）Water lotion after removing heavy metals is processed using membrane distillation concentration system, and saline solns are pumped into plus hot water
Case, heats to solution, and after saline solns are heated to into 62 DEG C using steam using volumetric heat exchanger, saline solns enter hydrothermal solution
Water tank；Solution is pumped into the Membrane Materials system being superimposed with high energy membrane component array from hydrothermal solution water tank and carries out distillation product water；Contain
Saline solution is lowered the temperature after Membrane Materials system, can be reclaimed partial heat by heat pump, steam consumption needed for reducing, and is maintained
62 DEG C of hydrothermal solution enters film temperature；Simultaneously heat pump also lowers the temperature coolant, then is cooled to required coolant by frequency conversion cooling tower and enters
30 DEG C of temperature of mouth；The distilled water of output is utilized into incineration of refuse flyash tertiary effluent salt elution system circulation, is reduced washing and is disappeared
The water yield of consumption；As the moisture in saline solns is reduced, then solution concentration is increasing in hydrothermal solution water tank, reaches into salt crystallization
After the saliferous rate control of system is required；Open infusion pump and dope is transported to into evaporation and crystallization system, simultaneous quantitative carries out fluid infusion, reaches
Balance to liquid fluid infusion is gone out；After Membrane Materials system operation 20h, in order to maintain the lasting hydrophobicity of part film, need to carry out backwash,
Backwashing time can be controlled in 2～4h according to actual feed liquid situation.
（5）The dope of membrane distillation concentration system is heated after preheater tentatively heats up into the evaporation of salt crystal system
Device, Jing forced circulations are pumped into evaporative crystallization in crystallizing evaporator；The indirect steam that evaporation is produced is compressed by compressor,
Indirect steam temperature is raised into 15-20 DEG C, heat exchanger is come back to as secondary heat source and is provided a system to thermal source, weighed to greatest extent
Steam latent heat is utilized again；Feed liquid is concentrated into into saliferous rate 50-60%, cooling separates out salt crystallization, and the concentrated solution containing crystallization removes vacuum belt
Dehydration, dehydration mother solution returns vapo(u)rization system, aqueous 7% crystal salt pack outward transport；Crystallizing evaporator condensed water returns to water wash system conduct
Washing supplements water circulation and uses.
Above-described embodiment is the specific descriptions carried out to this utility model, and simply this utility model is carried out furtherly
It is bright, it is impossible to be interpreted as the restriction to this utility model protection domain, those skilled in the art is according in above-mentioned utility model
Appearance is made some nonessential modifications and adaptations and is each fallen within protection domain of the present utility model.
Claims (9)
1. a kind of flying dust harmless treatment resource recycling device, it is characterised in that：It includes using mineral catalysis agent, lures
Dao bioxin dechlorinations, bioxin in flying dust is removed, and phenyl parent generates nontoxic height by condensation reaction after dechlorination
The solid catalysis dechlorination removing toxic substances of poly- product removes bioxin system；
The incineration of refuse flyash tertiary effluent eluting salt system that a large amount of salinities washing in the flying dust for eliminating bioxin is taken off；
By a large amount of calcium ions and magnesium ions contained in tertiary effluent washing filtrate and a small amount of removal of heavy metal ions, obtain upper after removing heavy metals
Clear liquid goes removing heavy metals system；
Supernatant is carried out into distillation and produces Water circulation, and generate the membrane distillation concentration system of concentrated solution；
Crystallization is evaporated with by concentrated solution, obtaining crystal salt and condensed water carries out the salt crystal system of reuse；
The solid catalysis dechlorination removing toxic substances removes bioxin system, incineration of refuse flyash tertiary effluent eluting salt system, removes a huge sum of money
Category system, membrane distillation concentration system and salt crystal system are sequentially connected.
2. a kind of flying dust harmless treatment resource recycling device according to claim 1, it is characterised in that：It is described
Solid catalysis dechlorination removing toxic substances removes bioxin system includes ash silo, and the flying dust in ash silo is transported and conveyed by flying dust transport vehicle,
The discharging opening of ash silo is connected to feed bin, and the discharging opening of the feed bin connects thermal decomposition furnace, and thermal decomposition furnace supplements tank with nitrogen
It is connected, makes to be in the sealed environment of nitrogen protective gas in thermal decomposition furnace；The upper end of the thermal decomposition furnace is connected with band water
Set cooling pipe a, the band water jacket cooling pipe a is connected with cooling dust remover, and the cooling dust remover top is connected with band
Water jacket cooling pipe b, the band water jacket cooling pipe b is connected with strap pulse dust collector a；The lower end of the thermal decomposition furnace connects
Charging line is connected to, the lower end of the charging line is connected to the charging aperture of helical feed cooler, the helical feed cooling
The outlet of device is connected with pipeline a, and pipeline a is connected with strap pulse dust collector b；The discharge gate of the helical feed cooler
It is connected with pipeline b.
3. a kind of flying dust harmless treatment resource recycling device according to claim 1, it is characterised in that：It is described
Incineration of refuse flyash tertiary effluent eluting salt system includes the tertiary effluent salt elution device being sequentially connected, first order washing desalter
Including agitator tank a and the first vacuum belt sucking filtration machine being connected with agitator tank a, agitator tank a is removed with solid catalysis dechlorination removing toxic substances
Bioxin system is connected, and the discharge end of the first vacuum belt sucking filtration machine is connected to agitator tank b, second level washing desalter
Second vacuum belt sucking filtration machine is connected with agitator tank b, and the discharge end of the second vacuum belt sucking filtration machine is connected to agitator tank c, the
3rd vacuum belt sucking filtration machine of tertiary effluent salt elution device is connected with agitator tank c, the discharging of the 3rd vacuum belt sucking filtration machine
End is connected to store up mud tank.
4. a kind of flying dust harmless treatment resource recycling device according to claim 3, it is characterised in that：It is described
The structure of the first vacuum belt sucking filtration machine, the second vacuum belt sucking filtration machine and the 3rd vacuum belt sucking filtration machine is identical, vacuum belt
Vacuum tank is provided with sucking filtration machine, the conveyer belt of vacuum belt sucking filtration machine is filter cloth, and filter cloth covering is on the vacuum box, the filter cloth
Upper employing microporous membrane membrane；Filter cloth tensioner, filter cloth correction device and ultrasound wave are additionally provided with the vacuum belt sucking filtration machine
Cleaning device.
5. a kind of flying dust harmless treatment resource recycling device according to claim 3, it is characterised in that：It is described
Removing heavy metals system is gone to be connected to the first vacuum belt sucking filtration machine, a smoke filtrate of the first vacuum belt sucking filtration machine is tertiary effluent
Washing filtrate after washing a, smoke filtrate goes removing heavy metals system into described, and described to go removing heavy metals system to include mutual
Heavy-metal ion removal in stirring pool a, the stirring pool b of connection and coagulative precipitation tank, stirring pool a and stirring pool b, stirring pool b connects
Then sludge collecting pit a, sludge collecting pit a are connected to pressure filter a；A large amount of calcium ions and magnesium ions are removed in the coagulative precipitation tank, is mixed
Solidifying sedimentation tank is connected to sludge collecting pit b, and sludge collecting pit b is connected to pressure filter b；Pressure filter b is connected with described storage mud tank.
6. a kind of flying dust harmless treatment resource recycling device according to claim 5, it is characterised in that：It is described
The entrance point of membrane distillation concentration system is connected to the liquid outlet of described pressure filter b by pipeline；Membrane distillation concentration system goes out
Material end is saline solns, and saline solns enter turbidity removal device, and feed liquid is transported to steaming by the saline solns in turbidity removal device by infusion pump
Send out crystal system.
7. a kind of flying dust harmless treatment resource recycling device according to claim 6, it is characterised in that：It is described
The liquid outlet of evaporation and crystallization system is connected to filtered water tank, and the discharge end of evaporation and crystallization system is aqueous 7% crystal salt.
8. a kind of flying dust harmless treatment resource recycling device according to claim 7, it is characterised in that：It is described
Filtered water tank is connected to the 3rd vacuum belt sucking filtration machine by pipeline a, and the 3rd vacuum belt sucking filtration machine is connected to stirring by pipeline b
Tank c.
9. a kind of flying dust harmless treatment resource recycling device according to claim 3, it is characterised in that：Also wrap
Outside filtered water tank is included, outside filtered water tank is connected respectively by pipeline with agitator tank a, agitator tank b and agitator tank c.
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| CN201621178230.8U CN206153274U (en) | 2016-11-03 | 2016-11-03 | Flying dust innocent treatment resource regeneration device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391663A (en) * | 2016-11-03 | 2017-02-15 | 湖州森诺环境科技有限公司 | Flying ash harmless treatment resource recycling utilization device and treatment method |
| CN109396163A (en) * | 2018-12-18 | 2019-03-01 | 杭州秀澈环保科技有限公司 | A kind of garbage flying ash treatment process improving chloride ion dissolution rate |
| CN113414222A (en) * | 2021-06-24 | 2021-09-21 | 镇江新区固废处置股份有限公司 | Treatment system and treatment method for household garbage incineration fly ash |
| CN113578937A (en) * | 2021-09-07 | 2021-11-02 | 深圳市泓达环境科技有限公司 | Waste incineration power generation fly ash treatment method and treatment equipment |
| CN113926826A (en) * | 2021-10-09 | 2022-01-14 | 浙江京兰环保科技有限公司 | Treatment process for resource utilization of waste incineration fly ash |
| CN114472476A (en) * | 2022-01-24 | 2022-05-13 | 苏州乔发环保科技股份有限公司 | Garbage ash recycling treatment process |
| CN116197206A (en) * | 2022-06-30 | 2023-06-02 | 成都智圣丰环保科技有限公司 | Waste incineration sodium-based fly ash washing method |
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2016
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106391663A (en) * | 2016-11-03 | 2017-02-15 | 湖州森诺环境科技有限公司 | Flying ash harmless treatment resource recycling utilization device and treatment method |
| CN109396163A (en) * | 2018-12-18 | 2019-03-01 | 杭州秀澈环保科技有限公司 | A kind of garbage flying ash treatment process improving chloride ion dissolution rate |
| CN109396163B (en) * | 2018-12-18 | 2024-02-02 | 杭州秀澈环保科技有限公司 | Garbage fly ash treatment process for improving chloride ion dissolution rate |
| CN113414222A (en) * | 2021-06-24 | 2021-09-21 | 镇江新区固废处置股份有限公司 | Treatment system and treatment method for household garbage incineration fly ash |
| CN113578937A (en) * | 2021-09-07 | 2021-11-02 | 深圳市泓达环境科技有限公司 | Waste incineration power generation fly ash treatment method and treatment equipment |
| CN113926826A (en) * | 2021-10-09 | 2022-01-14 | 浙江京兰环保科技有限公司 | Treatment process for resource utilization of waste incineration fly ash |
| CN114472476A (en) * | 2022-01-24 | 2022-05-13 | 苏州乔发环保科技股份有限公司 | Garbage ash recycling treatment process |
| CN116197206A (en) * | 2022-06-30 | 2023-06-02 | 成都智圣丰环保科技有限公司 | Waste incineration sodium-based fly ash washing method |
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Effective date of registration: 20190422 Address after: 313025 Longquan Bay block, Miao Xi Town, Wuxing District, Huzhou, Zhejiang Patentee after: Zhejiang jinson Regenerative Resources Development Co., Ltd. Address before: 313000 6 floor, 1366 Hongfeng Road, Huzhou economic and Technological Development Zone, Huzhou, Zhejiang. Patentee before: Huzhou Sano Environmental Technology Co., Ltd. |
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Address after: 313025 Longquanwu block, Miaoxi Town, Huzhou City, Zhejiang Province Patentee after: Huzhou Jinglan Environmental Protection Technology Co.,Ltd. Address before: 313025 Longquan Bay block, Miao Xi Town, Wuxing District, Huzhou, Zhejiang Patentee before: Zhejiang jinson Regenerative Resources Development Co.,Ltd. |