CN207081011U - A kind of incineration of refuse flyash processing equipment - Google Patents
A kind of incineration of refuse flyash processing equipment Download PDFInfo
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- CN207081011U CN207081011U CN201720418497.8U CN201720418497U CN207081011U CN 207081011 U CN207081011 U CN 207081011U CN 201720418497 U CN201720418497 U CN 201720418497U CN 207081011 U CN207081011 U CN 207081011U
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- flying dust
- incineration
- alkali
- refuse flyash
- processing equipment
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Abstract
The utility model belongs to incineration of refuse flyash processing technology field, and in particular to uses a kind of incineration of refuse flyash processing equipment.This kind of rubbish flying ash processing system, including flying dust feed system, water wash system, vapo(u)rization system, alkali oxide soaking system and test, extracted liquid processing system；Flying dust storage system includes flying dust storage tank, flying dust feedway；Water wash system includes washed reaction kettle, medicine feeding apparatus；Vapo(u)rization system includes evaporator, gas-liquid separator and the crystallizing tank being sequentially connected with agent outlet；Alkali oxide soaking system and test includes alkali leaching reactor；Extracted liquid processing system includes connected impurity and purification device and electric deposition device.Above-mentioned incineration of refuse flyash processing equipment, cost is cheap, recycling effect is good after disposal, avoids secondary pollution and solves the technical barriers such as the high selectivity of bioxin degraded, the flying dust after processing is met environmental safety standard and recycling standard.
Description
Technical field
The utility model belongs to incineration of refuse flyash processing technology field, and in particular to using at a kind of incineration of refuse flyash
Manage equipment.
Background technology
With the continuous social and economic development, domestic waste be the main Environmental Problems that face of our times various countries it
One, and the environmental problem of protrusion that China presently, there are.Contain the nuisances such as dioxin and heavy metal in incineration of refuse flyash,
According to《Consumer waste incineration contamination control standard》(GB18485-2014) provide：" domestic garbage incineration flyash should be useless by danger
Property management is managed ".Therefore, flying dust must be collected separately, and must not be mixed with house refuse, incineration residue etc., also must not be dangerous with other
Waste mixes.
Flying dust processing mainly has the methods of cement solidification, bitumen solidification, chemical agent stabilisation, high-temperature process.Wherein, change
Learn chemical stabilization method due to technique is simple, stablizing effect is good, increase-volume than the features such as small, energy consumption is low, turn into stabilizing fly ash
One developing direction.
Warm formula chemical treatment is leached by washing, and using chemical agent by chemical reaction, is made poisonous and harmful in flying dust
Material transformation wet chemical treatment is leached by washing, and using chemical agent by chemical reaction, is made poisonous and harmful in flying dust
Material is changed into the process of low-solubility, low migration and hypotoxicity material.It is chemically treated and is can remove in flying dust by warm therapy
Soluble salt, heavy metal etc., and then the stability of product is improved, reduce final disposal product and the coloured silk of environment is rung.Conventional processing work
Skill has washing-acidleach processing, phosphate treated, ferrous salt treatment, sulfide removal, chelating agent processing etc..Washing-acidleach processing
Soluble villaumite in flying dust can be effectively removed, after washing, heavy metal mainly exists with residual form；Phosphate water washing treatment method is
Based on generation insoluble petal phosphate, the method not only at normal temperatures there is stabilization can also suppress in heavy metal in flying dust
The vaporization at high temperature effect of the heavy metals such as Cd, Pb, Zn；Ferrous salt facture is to utilize Fe2O3The generation of crystal exists heavy metal stabilization
Intracell, ferrous salt have good dissolution to act on to villaumite；The processing methods such as vulcanized sodium, sodium thiosulfate and thiocarbamide are profits
With the sulfide that they and heavy metal generation are stable；The addition of cantharidin mixture can also be put forward flying dust activity except detoxication
Height, activation index can be up to 96.49%.And use.But high concentration inorganic salts can be produced after being chemically treated using warm formula
Waste water is, it is necessary to further handle.And lack due to flying ash component and the complexity of Heavy Metals, and to reaction mechanism
Understanding enough, it is difficult to find a kind of blanket chemical stabilizer.
Utility model content
To solve the above problems, the purpose of this utility model is a kind of incineration of refuse flyash processing equipment.
To realize above-mentioned purpose of utility model, the utility model provides a kind of incineration of refuse flyash processing equipment, and it is special
Sign is：Including flying dust feed system, water wash system, vapo(u)rization system, alkali oxide soaking system and test, extracted liquid processing system；
Flying dust storage system include flying dust storage tank, flying dust feedway, the flying dust feedway by flying dust storage tank with
Water wash system is connected to convey flying dust to water wash system；
Water wash system includes washed reaction kettle, medicine feeding apparatus, and the washed reaction kettle is provided with to supply with flying dust and filled
The ash inlet for putting connection, the slag notch being connected with alkali oxide soaking system and test, the medicament inlet being connected with medicine feeding apparatus and with steaming
The agent outlet of hair system connection；
Vapo(u)rization system includes evaporator, gas-liquid separator and the crystallizing tank being sequentially connected with agent outlet；
Alkali oxide soaking system and test includes alkali leaching reactor, and alkali leaching reactor is provided with the outlet of alkali phase analysis and immersion liquid outlet, should
Immersion liquid outlet is connected with extracted liquid processing system；
Extracted liquid processing system includes connected impurity and purification device and electric deposition device, impurity and purification device and immersion liquid
Outlet connection.
Further, flying dust feedway includes fly ash carry pump, helical feed pipeline, flying dust electronic scale, and the flying dust is defeated
Pump is sent to be connected with flying dust storage tank, the helical feed pipeline is arranged between flying dust storage tank and washed reaction kettle, flying dust electricity
Son claims to be arranged on helical feed pipeline.
Further, medicine feeding apparatus includes chelating pharmacy jar, water tank, mixer of liquid medicine and pipeline, the chelating medicine
Agent tank, water tank connect by pipeline and by mixer of liquid medicine with washed reaction kettle respectively.
Further, vapo(u)rization system also includes the liquefaction heater being connected with evaporator and gas-liquid separator.
Further, impurity and purification device includes the leaching liquid pool being sequentially connected and enrichment sedimentation basin.
Further, it is enriched with sedimentation basin and is provided with aerator and recoil water washing device.
Further, in addition to alkali phase analysis recovery system, the alkali phase analysis recovery system include kneader, finished product material conveyor
With finished product material temporary storing bin, the charging aperture of the kneader docks with the alkali phase analysis outlet of alkali leaching reactor, the discharging of the kneader
Mouth is connected by finished product material conveyor with finished product material temporary storing bin.
Incineration of refuse flyash processing equipment provided by the utility model, removed and burnt by water wash system and alkali oxide soaking system and test
Flying dust Zhong bioxin and heavy metal key technology are burnt, has that cost is cheap, the good feature of recycling effect after disposal, and is passed through
Vapo(u)rization system and extracted liquid processing system can be handled treatment fluid, avoid secondary pollution and solve bioxin degraded
The technical barriers such as high selectivity, so as to eliminate the harm of wherein soluble salt and noxious material.By adding different oxidants and urging
Agent, strengthen the removal efficiency of bioxin and heavy metal, reduce reaction temperature, greatly reduce conventional hydrothermal method to equipment and cost
Requirement, the flying dust after processing is met environmental safety standard and recycling standard.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model incineration of refuse flyash processing equipment；
Fig. 2 is the structural representation of the utility model incineration of refuse flyash processing equipment flying dust feed system；
Fig. 3 is the structural representation of the utility model incineration of refuse flyash processing equipment water wash system；
Fig. 4 is the structural representation of the utility model incineration of refuse flyash processing equipment vapo(u)rization system；
Fig. 5 is the structural representation of the utility model incineration of refuse flyash processing equipment extracted liquid processing system；
Fig. 6 is the structural representation of the utility model incineration of refuse flyash processing equipment alkali phase analysis recovery system.
Embodiment
The incineration of refuse flyash processing equipment that will not produce secondary pollution a kind of to the utility model below.
With reference to as shown in Figures 1 to 6, incineration of refuse flyash processing equipment, including flying dust feed system 1, water wash system 2,
Vapo(u)rization system 3, alkali oxide soaking system and test 4, extracted liquid processing system 5, alkali phase analysis recovery system 6；
Flying dust storage system 1 includes flying dust storage tank 11, flying dust feedway 12, and the flying dust feedway 12 includes flying
Grey delivery pump 121, helical feed pipeline 122, flying dust electronic scale 123, the fly ash carry pump 121 are arranged at flying dust storage tank 11
Top, the spiral conveying tube 122 is arranged at the bottom of flying dust storage tank 11, and is stored flying dust by spiral conveying tube 122
Tank 11 connects with washed reaction kettle 21, the flying dust electronic scale 123 be arranged on helical feed pipeline 122 be used for measure be used for
The flying dust amount that washed reaction kettle 21 conveys；
Water wash system 2 includes washed reaction kettle 21, medicine feeding apparatus 22, and the washed reaction kettle 21 is provided with and flying dust
Ash inlet 211 that feedway 12 connects, the slag notch 212 being connected with alkali oxide soaking system and test 3, it is connected with medicine feeding apparatus 22
Medicament inlet 213 and the agent outlet 214 that is connected with vapo(u)rization system 4, medicine feeding apparatus 22 include chelating pharmacy jar 221,
Water tank 222, mixer of liquid medicine 223 and pipeline 224, the chelating pharmacy jar 221, water tank 222 respectively by pipeline 223 and by
Connected by mixer of liquid medicine 223 with washed reaction kettle 21；
Vapo(u)rization system 3 includes evaporator 31, gas-liquid separator 32 and the crystallizing tank 33 being sequentially connected with agent outlet 214,
Also include the liquefaction heater 34 being connected with evaporator 31 and gas-liquid separator 32；
Alkali oxide soaking system and test 4 includes alkali leaching reactor 41, and alkali leaching reactor 41 is provided with alkali phase analysis outlet 411 and leaching
Liquid outlet 412, alkali phase analysis outlet 411 is connected with alkali phase analysis recovery system, immersion liquid exports 412 and extracted liquid processing system 6
Connection；
Extracted liquid processing system 5, including connected impurity and purification device 51 and electric deposition device 52, impurity and purification device
51 include the leaching liquid pools 511 that are sequentially connected and enrichment sedimentation basin 512, and enrichment sedimentation basin 512 is provided with aerator 513 and anti-
Bath cleaning device 514, the aerator 513 are arranged at enrichment sedimentation basin 512 bottom, and recoil water washing device 514 is arranged at
On the pipeline that impurity and purification device 51 and electric deposition device 52 connect；
Alkali phase analysis recovery system 6, including kneader 61, finished product material conveyor 62 and finished product material temporary storing bin 63, the kneading
The charging aperture of machine 61 docks with the alkali phase analysis outlet of alkali leaching reactor, and the discharging opening of the kneader 61 passes through finished product material conveyor 62
It is connected with finished product material temporary storing bin 63.
Incineration of refuse flyash handling process, Quanzhou City's flying ash is carried out using above-mentioned incineration of refuse flyash processing equipment
Processing, Quanzhou City's flying ash (content is shown in Table 1) contain about 20.79% chlorine, 7.82% alkali (Na2O, K2O) and a variety of
Heavy metal, flying dust chlorine, alkali content are high, are directly used as building materials, phenomena such as building materials can be made to produce corrosion, abnormal expansion, heavy metal
Have the risk oozed out.Due to flying dust, in hot stage heavy metal, volatile and chloride easily decomposes, and causes manufacture of cement to set
The secondary pollution of the skinning and tail gas of standby burn into product, and heavy metal is added Yu bioxin physico-chemical property difference is big
The difficulty of harmless treatment flying dust.
The Quanzhou City flying ash component % of table 1
| Ca〇 | Cl | S〇3 | Si〇2 | Na2〇 | IC2〇 | Fe2〇3 | MgO | AI2O3 | Ti〇2 | P2O5 | Zn〇 |
| 48.834 | 20.79 | 6.803 | 6.559 | 4.317 | 3.501 | 2.24 | 2.136 | 1.949 | 0.647 | 0.626 | 0.582 |
| F | Cr2〇3 | Pb〇 | Cu〇 | Br | Ba〇 | MnO | Sr〇 | Sn〇2 | MIC) | Rb20 | Zr02 |
| 0.266 | 0.137 | 0.134 | 0.101 | 0.095 | 0.069 | 0.064 | 0.057 | 0.042 | 0.016 | 0.016 | 0.015 |
Comprise the following steps that：
Step 1, the flying ash collected in flying dust storage tank 11 pass through washing of the flying dust feedway 12 to water wash system
Convey burning ash in reactor to fly, fly ash carry pump 121, which provides stable air-flow, makes the flying dust in flying dust storage tank 11 enter spiral shell
Conveyance conduit 122 is revolved, flying dust electronic scale 123 measures the flying dust amount conveyed to washed reaction kettle 21；
Step 2, burning ash are flown into washed reaction kettle 21, and medicine feeding apparatus 22 adds water into washed reaction kettle
With chelating medicament, start to stir after flying immersion 20-60 minutes to ash, Jiang Shui, ash fly and medicament stirs, and then washes
Reactor 21 is warming up to 90-120 DEG C, and the silicon in the pre- de- flying dust of hydro-thermal reaction is carried out in washed reaction kettle, after hydro-thermal reaction according to
Secondary discharge reaction solution and lime-ash；
Step 3, reaction solution enter vapo(u)rization system 3, successively through pervaporation, gas-liquid separation, obtain technical grade NaCl,
KCl products and metal product；
Step 4, lime-ash enter alkali oxide soaking system and test 4, add alkali immersion liquid to alkali leaching reactor, alkali immersion liquid uses ammoniacal liquor-chlorine
Change ammonium system solution, alkali immersion liquid and alkali phase analysis are discharged successively after immersion reaction；
Step 5, alkali immersion liquid enter extracted liquid processing system, and alkali immersion liquid, which is introduced into, leaches in liquid pool 511, subsequently enters
Purification and impurity removal in sedimentation basin 512 is enriched with, the alkali immersion liquid after purification and impurity removal is entering electric deposition device progress electrochemical treatments,
The metals such as Zn are obtained, the alkali immersion liquid after processing is met environmental safety standard and recycling standard after processing；
Step 6, alkali phase analysis, which enters in kneader 61, is kneaded into alkali phase analysis block, and finished product material conveyor 62 is by alkali phase analysis block
Deliver to finished product material temporary storing bin 63 and be used as brick-making raw material, the alkali phase analysis block after processing is met environmental safety standard and recycling
Standard.
Result is as follows
(1) flying dust Zhong bioxin degradation efficiency reaches more than 96%；
(2) Leaching of heavy metal is less than corresponding limiting value in flying dust after handling, and meets environmental safety standard and resource
Change utilizes standard；
(3) technical grade NaCl, KCl product and metal product are obtained；
(4) the condensed water fully recovering that evaporative crystallization obtains.
Above-mentioned incineration of refuse flyash handling process, removed by water wash system 2 and alkali oxide soaking system and test 4 two in flying ash
Evil English and heavy metal key technology, have that cost is cheap, the good feature of recycling effect after disposal, and pass through vapo(u)rization system 3
Treatment fluid can be handled with extracted liquid processing system 5, avoid secondary pollution and solve the high selectivity of bioxin degraded
Deng technical barrier, so as to eliminate the harm of wherein soluble salt and noxious material.By adding different oxidants and catalyst, strengthen
The removal efficiency of bioxin and heavy metal, reaction temperature is reduced, greatly reduces requirement of the conventional hydrothermal method to equipment and cost, makes
Flying dust after processing meets environmental safety standard and recycling standard.
An embodiment of the present utility model is above are only, but of the present utility model be related to conception and be not limited to
This, all changes for carrying out unsubstantiality to the utility model using this design, all should belong to infringement scope of protection of the utility model
Behavior.
Claims (7)
- A kind of 1. incineration of refuse flyash processing equipment, it is characterised in that：Including flying dust feed system, water wash system, vapo(u)rization system, Alkali oxide soaking system and test, extracted liquid processing system；Flying dust storage system includes flying dust storage tank, flying dust feedway, and the flying dust feedway is by flying dust storage tank with washing System is connected to convey flying dust to water wash system；Water wash system includes washed reaction kettle, medicine feeding apparatus, and the washed reaction kettle is provided with to be connected with flying dust feedway The ash inlet that connects, the slag notch being connected with alkali oxide soaking system and test, the medicament inlet being connected with medicine feeding apparatus and with evaporation it is The agent outlet of system connection；Vapo(u)rization system includes evaporator, gas-liquid separator and the crystallizing tank being sequentially connected with agent outlet；Alkali oxide soaking system and test includes alkali leaching reactor, and alkali leaching reactor is provided with the outlet of alkali phase analysis and immersion liquid outlet, the immersion liquid Outlet is connected with extracted liquid processing system；Extracted liquid processing system includes connected impurity and purification device and electric deposition device, and impurity and purification device exports with immersion liquid Connection.
- 2. incineration of refuse flyash processing equipment according to claim 1, it is characterised in that：The flying dust feedway includes Fly ash carry pump, helical feed pipeline, flying dust electronic scale, the fly ash carry pump are connected with flying dust storage tank, the spiral conveying tube Road is arranged between flying dust storage tank and washed reaction kettle, and the flying dust electronic scale is arranged on helical feed pipeline.
- 3. incineration of refuse flyash processing equipment according to claim 1, it is characterised in that：The medicine feeding apparatus includes Pharmacy jar, water tank, mixer of liquid medicine and pipeline are chelated, chelating pharmacy jar, the water tank are respectively by pipeline and by liquid medicine Blender connects with washed reaction kettle.
- 4. incineration of refuse flyash processing equipment according to claim 1, it is characterised in that：The vapo(u)rization system also include with The liquefaction heater that evaporator connects with gas-liquid separator.
- 5. incineration of refuse flyash processing equipment according to claim 1, it is characterised in that：The impurity and purification device includes The leaching liquid pool and enrichment sedimentation basin being sequentially connected.
- 6. incineration of refuse flyash processing equipment according to claim 5, it is characterised in that：The enrichment sedimentation basin is provided with Aerator and recoil water washing device.
- 7. incineration of refuse flyash processing equipment according to claim 1, it is characterised in that：Also include alkali phase analysis recovery system System, the alkali phase analysis recovery system include kneader, finished product material conveyor and finished product material temporary storing bin, the charging aperture of the kneader and The alkali phase analysis outlet docking of alkali leaching reactor, the discharging opening of the kneader are connected by finished product material conveyor and finished product material temporary storing bin Connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418497.8U CN207081011U (en) | 2017-04-20 | 2017-04-20 | A kind of incineration of refuse flyash processing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720418497.8U CN207081011U (en) | 2017-04-20 | 2017-04-20 | A kind of incineration of refuse flyash processing equipment |
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| Publication Number | Publication Date |
|---|---|
| CN207081011U true CN207081011U (en) | 2018-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720418497.8U Expired - Fee Related CN207081011U (en) | 2017-04-20 | 2017-04-20 | A kind of incineration of refuse flyash processing equipment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108478985A (en) * | 2018-06-05 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of stabilizing fly ash processing system and processing method |
| CN108672470A (en) * | 2018-05-14 | 2018-10-19 | 镇江新区固废处置股份有限公司 | Solid waste treatment method with hazardous waste pretreatment process |
| CN114949721A (en) * | 2022-05-11 | 2022-08-30 | 三河发电有限责任公司 | Heavy metal solidification equipment and boiler system in coal fired power plant flying dust |
-
2017
- 2017-04-20 CN CN201720418497.8U patent/CN207081011U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108672470A (en) * | 2018-05-14 | 2018-10-19 | 镇江新区固废处置股份有限公司 | Solid waste treatment method with hazardous waste pretreatment process |
| CN108672470B (en) * | 2018-05-14 | 2019-11-22 | 镇江新区固废处置股份有限公司 | Solid waste treatment method with hazardous waste pretreatment process |
| CN108478985A (en) * | 2018-06-05 | 2018-09-04 | 江苏华本环境科技有限公司 | A kind of stabilizing fly ash processing system and processing method |
| CN108478985B (en) * | 2018-06-05 | 2023-09-08 | 江苏华本环境科技有限公司 | Fly ash stabilization treatment system and treatment method |
| CN114949721A (en) * | 2022-05-11 | 2022-08-30 | 三河发电有限责任公司 | Heavy metal solidification equipment and boiler system in coal fired power plant flying dust |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180309 Termination date: 20200420 |