CN208613349U - Polynary waste innocuity disposal system - Google Patents
Polynary waste innocuity disposal system Download PDFInfo
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- CN208613349U CN208613349U CN201820243773.6U CN201820243773U CN208613349U CN 208613349 U CN208613349 U CN 208613349U CN 201820243773 U CN201820243773 U CN 201820243773U CN 208613349 U CN208613349 U CN 208613349U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/20—Waste processing or separation
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Abstract
The utility model discloses a kind of polynary waste innocuity disposal system, which includes desiccation fuel pulverizing plant, gas-solid separating device, molten slag type gasification installation, deslagging device, combustion furnace, spray washing device and waste-heat recovery device.This system carries out quick drying and other treatment using low-temperature negative-pressure drying technique to waste materials such as organic liquid wastes, powder waste material rapidly can be made in flow-like waste, it can be as a kind of raw material of molten slag type gasification furnace, and is gasified to multi-element material using high-temperature slag formula and directly burnt the processing mode combined with synthesis gas, it is innoxious to can guarantee that all harmful ash contents melt completely, and the processing mode that combines of gasification, and combustion can reduce the generation of harmful substance from source, various harmful constituent full combustions can also be reacted, make in flue gas without harmful components, so as to avoid the extremely complex flue gas purifying technique of traditional waste burning process, significantly reduce gas cleaning difficulty, efficiently realize the processing of waste Harmless.
Description
Technical field
The utility model relates to solid waste resource recovery processing techniques, in particular to a kind of polynary innoxious place of waste
Reason system.
Background technique
In the process of running, sludge yield is huge for sewage treatment plant, while most of harmful substance remains in dirt in sewage
In mud, how thoroughly to solve the problems, such as that pollution caused by sludge has become extremely urgent.Traditional method for sludge treatment mainly has
Landfill, burn, row it is extra large, agricultural etc., but there are many drawbacks: Sludge landfill for these traditional processing methods, needs to occupy largely
Soil, and the noxious material exudation contained in sludge will affect water and soil resources；Burning sludge, due to containing a large amount of nocuousness in sludge
Substance, and a large amount of harmful substance is inevitably generated in combustion process, such as: nitrogen oxides, sulfur dioxide and dioxin
Equal substances seriously affect public's health to cause secondary pollution to ecological environment；Sludge row sea, if Treatment of Sludge
Improper direct row sea can cause serious pollution to living resources such as fish in ocean, destroy the marine eco-environment；Sludge agriculture
With organic fertilizer is made as product in sludge and is sold, but contains more poisonous and harmful substance in sludge, product can pollute agriculture
Crop, therefore, it is difficult to industrialization promotions.
In addition, existing pyrolyzing sludge technology is to add under the conditions of oxygen-free environment to sludge compared to sludge incineration
Heat makes the organic matter in sludge carry out thermal cracking and Thermochemical Decomposition reaction, generates pyrolysis gas, pyrolytic behavior and pyrolytic carbon, due to
It is heated in the case where closing oxygen free condition, uncontaminated gases discharge；Most of heavy metal particles remain in pyrolytic carbon, alleviate to ring
The pollution in border, pyrolytic behavior and pyrolysis gas can be used as the energy supply of pyrolysis itself, and pyrolytic carbon can be used as the suction of sewage, exhaust-gas treatment
Attached dose, operating cost can generate tar significantly lower than burning in pyrolytic process, can generate to production and human health huge
Harm, and tar burning when be easy to produce carbon black, this, which can allow, is heavily damaged equipment, such as: have a kind of sludge
Rotary kiln pyrogenation technique, tar yield is more, is easy blocking pipeline, corrosion equipment etc., frequent parking maintenance, and rear end needs
Complicated water-oil separating and purification device are wanted, investment is caused to greatly increase.Existing sludge cracking equipment for gasification mainly has outer heat sleeping
Formula reactor and fluidized-bed process, however since sludge moisture content is very high, even from the dewatered wet dirt of sewage treatment plant
Mud moisture content is also up to 80%, therefore the higher sludge treatment technique of this water content has many drawbacks in the process of running,
Phenomena such as wet mud is directlyed adopt as raw material, is easy to happen hardened, viscous wall in the reactor, causes equipment to be difficult to continuously transport
Row, and sludge transformation efficiency is not high；And using dewatered sludge as raw material, the pretreatment of drying sludge early period needs to consume a large amount of
Energy consumption.
It can be seen that above-mentioned existing method for sludge treatment otherwise be not able to satisfy Treatment of Sludge technical requirements or cannot
Solve the problems, such as that sludge causes damages to environment and the mankind, therefore, to Treatment of Sludge using the research and development of new technology with critically important
Realistic meaning.
Summary of the invention
The purpose of this utility model seeks to provide a kind of polynary waste innocuity disposal system, which can will discard
It is converted to gasified raw material after the quick drying and other treatment of object, realizes innoxious use.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: polynary waste harmless treatment system
System, including desiccation fuel pulverizing plant, gas-solid separating device, molten slag type gasification installation, deslagging device, combustion furnace, spray washing device
And waste-heat recovery device；The charging for entering for filter cake manufactured after pretreatment is provided on the desiccation fuel pulverizing plant
Mouth, the gas feed for heat supply carrier gas entrance and the mixing for the gaseous mixture output for powder waste and hot carrier gas
The mixture outlet of material outlet, the desiccation fuel pulverizing plant is connect with the mixture import of gas-solid separating device, the gas-solid point
Offgas outlet from the powder outlet being additionally provided on device for being exported for powder waste and for being discharged for tail gas；
The powder outlet of the gas-solid separating device is connect with the first import of molten slag type gasification installation, on the molten slag type gasification installation
It is additionally provided with the second import for entering for solid waste, the slag-drip opening for being discharged for slag and for for synthesis
The exhaust outlet of gas discharge；The slag-drip opening of the molten slag type gasification installation and the slag inlet of deslagging device connect, the deslagging device
On be provided with the slag notch for being discharged for slag charge, the water inlet for entering for cold water and for supplying hot water output go out
The mouth of a river；The exhaust outlet of the molten slag type gasification installation is connect with the combustion furnace, the combustion furnace and the waste-heat recovery device
High temperature air inlet connection；The offgas outlet is connect with the spray washing device, the gas outlet of the spray washing device
It is connect with the low temperature air inlet mouth of the waste-heat recovery device, the high temperature gas outlet of the waste-heat recovery device and desiccation fuel pulverizing plant
Gas feed connection.
It further, further include purification device and wastewater treatment equipment；The low temperature gas outlet of the waste-heat recovery device with
The air inlet of purification device connects, and the clean gas outlet of the purification device is connected with external world's conveying piping, the purification device
Wastewater outlet and the first waste water inlet of wastewater treatment equipment connect, the treated water outlet of the wastewater treatment equipment and slagging-off
The water inlet of device connects, and the sludge liquid outlet of the wastewater treatment equipment is connect with the feed inlet of desiccation fuel pulverizing plant.
Further, the second waste water inlet of the dust-laden wastewater outlet of the spray equipment and wastewater treatment equipment connects.
Further, the pipe between the powder outlet and the first import of molten slag type gasification installation of the gas-solid separating device
Road is provided with the conveying device for conveying powder waste, and the second entrance setting of the molten slag type gasification installation is useful
In the charging gear of conveying solid substance waste.
Further, the pipe between the powder outlet and the first import of molten slag type gasification installation of the gas-solid separating device
Road is provided with the prilling granulator for being granulated to powder waste.
Further, the desiccation fuel pulverizing plant includes shell and the spiral board that housing cavity lower part is arranged in, the rotation
Be provided with above flowing plate can high-speed rotating crushing cutter, the feed inlet is located at the top of crushing cutter, the gas into
Mouth is located at the lower section of spiral board.
Further, the spiral board includes the annular inclined plate fixed with inner walls and is arranged in annular inclined plate
The solid panel of circle, it is described annular inclined plate on along its be arranged circumferentially several for heat supply carrier gas spray through-hole.
Further, the tangent arrangement of bottom outer wall circumference of the gas feed and desiccation fuel pulverizing plant, the mixture
The tangent arrangement of top exterior walls circumference of outlet and desiccation fuel pulverizing plant.
As a kind of deformation of above scheme, another polynary waste innocuity disposal system, including desiccation powder dress
It sets, gas-solid separating device, molten slag type gasification installation, deslagging device, combustion furnace, waste-heat recovery device, purification device and waste water
Processing unit；Be provided on the desiccation fuel pulverizing plant for for manufactured filter cake enters after pretreatment feed inlet,
Go out in the gas feed of heat supply carrier gas entrance and the mixture for the gaseous mixture output for powder waste and hot carrier gas
Mouthful, the mixture outlet of the desiccation fuel pulverizing plant is connect with the mixture import of gas-solid separating device, the gas solid separation dress
It sets and is additionally provided with the outlet of the powder for exporting for powder waste and the offgas outlet for being discharged for tail gas；It is described
The powder outlet of gas-solid separating device is connect with the first import of molten slag type gasification installation, is also set on the molten slag type gasification installation
It is equipped with the second import for entering for solid waste, the slag-drip opening for being discharged for slag and for arranging for synthesis gas
Exhaust outlet out；The slag-drip opening of the molten slag type gasification installation and the slag inlet of deslagging device connect, and set on the deslagging device
It is equipped with the slag notch for being discharged for slag charge, the water inlet for entering for cold water and the water outlet for supplying hot water output；
The exhaust outlet of the molten slag type gasification installation is connect with the combustion furnace, the high temperature of the combustion furnace and the waste-heat recovery device
Air inlet connection, the low temperature gas outlet of the waste-heat recovery device and the air inlet of purification device connect, the purification device
Clean gas outlet is connected with external world's conveying piping, the first waste water of the wastewater outlet of the purification device and wastewater treatment equipment into
Mouth connection, the treated water outlet of the wastewater treatment equipment and the water inlet of deslagging device connect, the wastewater treatment equipment
Sludge liquid outlet is connect with the feed inlet of desiccation fuel pulverizing plant；The offgas outlet is connect with the combustion furnace, the purification dress
The clean gas outlet set is connect with the low temperature air inlet mouth of the waste-heat recovery device, the high temperature gas outlet of the waste-heat recovery device
It is connect with the gas feed of desiccation fuel pulverizing plant.
Compared with prior art, the utility model has the advantage that
First, the utility model carries out at quick desiccation the waste materials such as organic liquid waste using low-temperature negative-pressure drying technique
Reason, rapidly can be made powder waste material for flow-like waste, can be as a kind of raw material of molten slag type gasification furnace, energy
It realizes the cooperation-gasified burning of multi-element material, efficiently realizes the processing of waste Harmless.
It is combined second, Tthe utility model system directly burns to multi-element material using the gasification of high-temperature slag formula with synthesis gas
Processing mode, it is innoxious to can guarantee that all harmful ash contents melt completely, and the processing mode that gasification, and combustion combines can be from source
The generation of harmful substance is reduced on head, moreover it is possible to various harmful constituent full combustions are reacted, so that harmful components are free of in flue gas,
So as to avoid the extremely complex flue gas purifying technique of traditional waste burning process, gas cleaning difficulty is significantly reduced.
Third, Tthe utility model system is able to achieve the intensive processing of polynary waste, poisonous metal substance can be by high temperature
Melting, thoroughly realizes the harmless treatment of polynary waste.
Fourth, Tthe utility model system is using the low temperature exhaust heat for the treatment of process itself as low-temperature negative-pressure drying process
Origin of heat is able to achieve the high low-grade combination of the energy and self-sufficiency, and remaining thermal energy can provide the heat user on periphery, thus very suitable
Municipal refuse, sludge, the treatment in situ of agriculture and forestry organic waste material, on-site elimination are closed, small-scale distributed system business is also very suitable for
The utilization of mode.
Fifth, the utility model is intensive using distribution, waste water, waste residue, the intensive processing of useless mud energy integration are realized and are somebody's turn to do
System distributed arrangement realizes gathering materials on the spot, digesting on the spot for waste, does not generate secondary pollution, greatly improve
The feature of environmental protection of system；The utility model comprehensively considers many factors such as environmental protection, safe and healthy and economic benefit, provide
A kind of technical solution by offal treatment and Castoff material energizing perfect combination, has broad application prospects.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the polynary waste innocuity disposal system of embodiment 1.
Fig. 2 is the workflow schematic diagram of embodiment 1.
Fig. 3 is the structural schematic diagram of the polynary waste innocuity disposal system of embodiment 2.
Fig. 4 is the workflow schematic diagram of embodiment 2.
Fig. 5 is the workflow schematic diagram of embodiment 3.
Fig. 6 is the structural schematic diagram of desiccation fuel pulverizing plant in Fig. 1.
Fig. 7 is the schematic cross-sectional view in Fig. 6 along the direction A-A.
Fig. 8 is the schematic cross-sectional view in Fig. 6 along the direction B-B.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, convenient for more clearly
The utility model is solved, but they do not constitute the utility model and limit.
Embodiment 1
Polynary waste innocuity disposal system as shown in Figure 1, including desiccation fuel pulverizing plant 1, gas-solid separating device 2,
Molten slag type gasification installation 3, deslagging device 4, combustion furnace 12, spray washing device 11, waste-heat recovery device 5, purification device 6, with
And wastewater treatment equipment 7；The feed inlet for entering for filter cake manufactured after pretreatment is provided on desiccation fuel pulverizing plant 1
1.1, it is exported for the gas feed 1.2 of heat supply carrier gas entrance and for the gaseous mixture for powder waste and hot carrier gas
The mixture outlet 1.3 of mixture outlet 1.3, desiccation fuel pulverizing plant 1 is connect with the mixture import 2.1 of gas-solid separating device 2,
Powder outlet 2.2 for exporting for powder waste is additionally provided on gas-solid separating device 2 and for being discharged for tail gas
Offgas outlet 2.3；The powder outlet 2.2 of gas-solid separating device 2 is connect with the first import 3.1 of molten slag type gasification installation 3, slag
The second import 3.2 for entering for solid waste, the slag-drip opening for being discharged for slag are additionally provided on formula gasification installation 3
3.3 and the exhaust outlet 3.4 for being discharged for synthesis gas；The slag-drip opening 3.3 of molten slag type gasification installation 3 and deslagging device 4 into
Cinder notch 4.1 connects, and is provided with the slag notch 4.2 for being discharged for slag charge, the water inlet for entering for cold water on deslagging device 4
4.3 and for supplying hot water output water outlet 4.4；The exhaust outlet 3.4 of molten slag type gasification installation 3 is connect with combustion furnace 12, combustion
It burns furnace 12 to connect with the high temperature air inlet 5.1 of waste-heat recovery device 5, the low temperature gas outlet 5.2 of waste-heat recovery device 5 and purification fill
6 connection of air inlet 6.1 is set, the clean gas outlet 6.2 of purification device 6 is connected with external world's conveying piping, the waste water of purification device 6
Outlet 6.3 is connect with the first waste water inlet 7.1 of wastewater treatment equipment 7, the treated water outlet 7.2 of wastewater treatment equipment 7 with remove
The water inlet 4.3 of slag device 4 connects, the sludge liquid outlet 7.3 of wastewater treatment equipment 7 and the feed inlet 1.1 of desiccation fuel pulverizing plant 1
Connection；Offgas outlet 2.3 is connect with spray washing device 11, gas outlet and the waste-heat recovery device 5 of spray washing device 11
Low temperature air inlet mouth 5.3 connects, and the high temperature gas outlet 5.4 of waste-heat recovery device 5 and the gas feed 1.2 of desiccation fuel pulverizing plant 1 connect
It connects；The dust-laden wastewater outlet 11.3 of spray washing device 11 is connect with the second waste water inlet 7.4 of wastewater treatment equipment 7.Gas-solid
It is provided on pipeline between the powder outlet 2.2 and the first import 3.1 of molten slag type gasification installation 3 of separator 2 for defeated
The conveying device 13 of powder feeding body waste is provided at the second import 3.2 of molten slag type gasification installation 3 discarded for conveying solid substance
The charging gear 14 of object.Between the powder outlet 2.2 and the first import 3.1 of molten slag type gasification installation 3 of gas-solid separating device 2
The prilling granulator for being granulated to powder waste is provided on pipeline.
In above scheme, in conjunction with shown in Fig. 6~Fig. 8, desiccation fuel pulverizing plant 1 includes shell 1.4 and is arranged in shell 1.4
The spiral board 1.5 of chamber lower part, the top of spiral board 1.5 be provided with can high-speed rotating crushing cutter 1.6, feed inlet 1.1 is located at
The top of crushing cutter 1.6, gas feed 1.2 are located at the lower section of spiral board 1.5.Spiral board 1.5 includes solid with 1.4 inner wall of shell
Fixed annular inclined plate 1.51 and the solid panel 1.52 that annular 1.51 inner ring of inclined plate is set, along it on annular inclined plate 1.51
It is arranged circumferentially several through-holes 1.53 for heat supply carrier gas ejection.Outside the bottom of gas feed 1.2 and desiccation fuel pulverizing plant 1
The tangent arrangement of wall circumference, the tangent arrangement of top exterior walls circumference of mixture outlet 1.3 and desiccation fuel pulverizing plant 1.The desiccation system
The bottom of powder device 1 is provided with the driving motor 1.7 for driving crushing cutter 1.6 to rotate.
The course of work of desiccation fuel pulverizing plant 1 is as follows: 1) aqueous filter cake being sent into desiccation fuel pulverizing plant 1, filter cake is first
Turbulent heating is carried out by hot wind from top to bottom, is subsequently entered in the bottom eddy flow section of desiccation fuel pulverizing plant 1, in bottom eddy flow section
Interior air-flow promotion filter cake forms the material eddy flow of positive rotation direction, meanwhile, filter cake can be cut by reverse high-speed rotating crushing cutter 1.6
It hits and is broken into partial size≤2mm powder waste, powder waste rises and formed turbulent flow with the air-flow of heat, in turbulent section
It can be carried out violent heat transfer exchange, control whole system negative pressure in -0.001~-0.08Mpa, preferably -0.04~-0.06MPa
(gauge pressure) reduces the evaporation partial pressure of cell moisture inside powder waste, enables internal moisture quickly to escape powder useless
Gurry and gradually dry, can be formed in 30s dry powder discard composition granule.Wherein, recyclegas enters desiccation powder dress
The eddy flow direction for setting 1 formation is opposite with 1.6 direction of rotation of crushing cutter；2) dry powder discards composition granule and subsequently enters desiccation
In the top eddy flow section of fuel pulverizing plant 1, powder waste carries out cyclone drying with air-flow, can stop in headspace, carries out more
Further heat exchange drying, completes powder waste drying process, and the top eddy flow section of desiccation fuel pulverizing plant 1 can be to powder
Particle carries out preliminary feed separation, is broken so that large granular materials are directly fallen into the eddy flow section of 1 bottom of desiccation fuel pulverizing plant
Broken cutter 1.6 is crushed again, and the particulate material that partial size is less than setting partial size (2mm) can directly escape desiccation fuel pulverizing plant 1
Into in subsequent gas-solid separating device 2.
Polynary waste (the organic fluid waste and solid waste) harmless treatment carried out using system described in Fig. 1
Method, as shown in Fig. 2, the specific steps of which are as follows:
1) pre-process: the organic depleted filtrate (water-containing sludge) for being 97%~98% by moisture content is de- through sludge conditioning, depth
The filter cake that water process is 40~60% at moisture content；In addition to organic depleted filtrate, kitchen garbage, feces of livestock and poultry, in algae and water
One or more mixtures are also suitable.
2) desiccation powder: filter cake subsequently enters desiccation fuel pulverizing plant 1 and carries out low-temperature negative-pressure drying process, low-temperature negative-pressure desiccation
It is the drying mode combined using turbulent flow heating with cyclone drying, using 200 DEG C~400 DEG C of high temperature circulation exhaust gas as heat
Source forms high-speed rotational gas in desiccation fuel pulverizing plant 1, and uses crushing cutter 1.6 (rotating blade) inversely to cut in it
The mode of cutting forms turbulent flow, and quickly the powder below of moisture content 15% can be reduced to discard aqueous 40~60% filter cake material
Object, the operation interval temperature of desiccation temperature 50 C~80 DEG C, cooperates the negative pressure of regulating system in -0.001~-0.08MPa (table
Pressure) in, it can effectively destroy biological cell wall and discharge water intracellular, high to the thermal sensitivity of moisture content 20~80%, containing water intracellular,
The moisture content of material rapid draing to 5~15% in 20 seconds of hardly possible dehydration, drying efficiency are very high.Powder after desiccation is discarded
Object partial size is 0.5~2mm.
3) gas solid separation: carrying out gas solid separation using gas-solid separating device 2, isolates powder waste and tail gas is (useless
Gas), for the powder waste containing organic matter of low-temperature negative-pressure desiccation production with after tail gas separation, powder waste is sent into powder pressing
Supply unit, powder waste is sent into gasification furnace after passing through pressurized delivered, and tail gas then enters spray washing device and removed
Dirt processing, due to being to carry out low temperature desiccation in 50 DEG C~80 DEG C of operation interval temperature, having in organic depleted filtrate such as sludge
Evil gas componant is not precipitated, and by spray washing by the solid dust spraying cooling in exhaust gas, enters sewage with sewage
Processing system.
4) gasification and waste residue harmless treatment: the flammable solids such as municipal refuse, culled wood, stalk, biological particles are given up
Gurry is sent directly into molten slag type gasification furnace entrance, and solid waste, which is sent into through gasification furnace feeding system from the top of gasification furnace, to gasify
In furnace, high-temperature gasification is carried out, and powder waste is then to spray into gasification furnace slag area from burner by powder delivery system, in height
Warm slag area carries out gasification reaction, realizes that powder waste is injected directly into high temperature melting tabetisol, and carry out strong turbulent flow with slag
Organic matter in powder granule is carried out rapid conversion under high temperature, oxidation environment by mixing, and harmful ash content will be rapidly in slag
In melt together, slag, which subsequent discharges into, carries out Quench processing in slag bath, obtains glassy state slag, realizes the innoxious of harmful waste residue
Processing.It is also possible to which fuel particle is made by pelletizer in powder waste, fuel particle has the characteristics that homogeneity,
It is very suitable to the conveying of granule materials feeding system.In application process, powder waste is to be injected directly into gas with powder material
Change furnace, is also formed into desiccation particle depending on sludge, organic depleted filtrate treatment process process and subsequent raw material using between system
Distance, distance, be granulated convenient for conveying, transhipment, storage etc..
The high-temperature slag formula gasification technology of this technique has evaded the Production conditions of dioxin pollution substance in technique, is
The high temperature of system is the jinx of stink and germ, hydrogen sulfide, Ammonia substance can thoroughly be decomposed, and disinfect pathogen is all killed,
Especially to the stabilisation of heavy metal, so gasification technology has an inherent advantage, the high temperature of system is by the heavy metal in waste
It firmly locks in the silicate crystal structure of fluidisation, which tests under acid or alkali environment and does not overflow, and
Under high temperature oxygen deprivation, organic matter is gasificated into the fuel gas such as carbon monoxide, hydrogen, alkanes.
5) recycle heat and synthesis gas harmless treatment: the synthesis gas produced after gasification subsequently enters combustion furnace burning, fills
Divide the heat of release synthesis gas, and high temperature burning handling is carried out to harmful components in synthesis gas, is free of phenol, dioxin in flue gas
Deng, and waste heat recycling and gas cleaning processing are carried out, flue gas up to standard directly can be discharged externally, realize the nothing of fixed waste
Public hazardsization processing.
6) tail gas hazard-free is handled: the tail gas that the thermal energy of step 5) recycling can be used to heat after dedusting is supplied as hot carrier gas
The low-temperature negative-pressure drying process circulating and recovering of step 2), realizes the repeats itself of system；Tail gas can also be sent into coal-burning boiler
In this combustion furnace, waste heat recycling is realized.In addition, the flue gas energy direct emission after purified treatment, can also extract a part of cigarette
Gas is re-circulated into waste heat recovery unit to recycle thermal energy, by the circulation of flue gas so that the thermal energy of system is used for organic filtrate
Low-temperature negative-pressure drying and other treatment.
7) wastewater treatment: the sewage collecting generated in gas cleaning treatment process to sewage-treatment plant, it is negative in company with low temperature
The sewage containing particulate matter generated during pressing dry is sent into wastewater treatment equipment together, and the sludge generated after processing can be again
By low-temperature negative-pressure desiccation, and sewage be treated as in wastewater treatment equipment in water, can be used for the slag of slag gasification furnace generation
Chilled water use.
Wherein, in step 2), using low-temperature negative-pressure drying process, low-temperature negative-pressure desiccation is dry using turbulent flow heating and eddy flow
The dry drying mode combined, the temperature range of low-temperature negative-pressure desiccation is at 40 DEG C~90 DEG C, preferably 50 DEG C~80 DEG C；Negative pressure
Range is -0.01~-0.08MPa, preferably -0.04~-0.06MPa；The desiccation heat source of low-temperature negative-pressure drying process can be with
Using solar energy, geothermal energy, residual heat of electric power plant energy etc..
In step 4), high-temperature gasification can be passivated processing to harmful ash content, and it is molten that fixed bed can be used in molten slag type gasification furnace
A variety of slag gasification modes such as slag gasification, the gasification of fluidized bed slag, the gasification of plasma slag, entrained flow gasification.The present embodiment is excellent
Choosing uses fixed bed slag gasification mode.
In step 6), recycles the hot carrier gas as low-temperature negative-pressure desiccation again using flue gas, make full use of system itself
Waste heat, is able to achieve the Equilibrium of energy, or even is also able to achieve energy Equilibrium in pure aqueous 98% organic depleted filtrate and makes
With sufficiently meeting the requirement of distributed energy resource system.
Embodiment 2
Polynary waste innocuity disposal system as shown in Figure 3 is to eliminate spray with the difference for implementing system in 1
Drench wash mill, and the offgas outlet 2.3 is connect with combustion furnace 12, the clean gas outlet 6.2 of the purification device 6 with it is described
The low temperature air inlet mouth 5.3 of waste-heat recovery device 5 connects, and the high temperature gas outlet 5.4 of the waste-heat recovery device 5 and desiccation powder fill
Set 1 connection of gas feed 1.2.
Using above-mentioned Fig. 3 system carry out polynary waste method for innocent treatment, step compared with Example 1, such as Fig. 4
Shown, difference is, in the present embodiment, the desiccation temperature range of low-temperature negative-pressure drying process is between 90 DEG C~500 DEG C, the temperature
It is to improve drying efficiency in order to improve desiccation temperature to greatest extent, when to large-scale production, can greatly improve dry in degree range
The production efficiency of change.
In this embodiment, the powder waste and tail gas containing organic matter of the negative pressure desiccation production between 90 DEG C~500 DEG C
After separation, powder waste is sent into powder pressing supply unit, and powder waste is sent into gasification furnace after passing through pressurized delivered, and
Tail gas, although desiccation temperature height improves desiccation rate, will necessarily to have since desiccation temperature is higher in drying process
Unstable organic matter fractions in machine depleted filtrate decompose, and make harmful constituent in organic depleted filtrate, such as NH3、H2S, alcohols
Equal substances are largely precipitated, and bring extremely difficult exhaust-gas treatment problem for traditional drying process, the utility model sufficiently combines
Tail gas containing harmful substance is passed directly into subsequent combustion furnace system and burns by the advantage of integrated artistic system, will
Harmful exhaust is converted to innoxious flue gas in combustion furnace by high-temp combustion.
Embodiment 3
The polynary waste innocuity disposal system structure of embodiment 3 is as implementation 1.
The course of work of embodiment 3 compared with Example 1, can in combustion furnace in this present embodiment as shown in figure 5, distinguishing
Gasification furnace gasification is sent into be traditional coal burning boiler of power station, after organic depleted filtrate desiccation, the synthesis gas generated after gasification is sent into
With coal (powder) combust in coal burning boiler of power station, innoxious flue gas, the thermal energy that desiccation waste is released are generated at high temperature
Can be converted into coal-burning boiler high temperature (540 DEG C or more) high parameter steam carry out steam-electric power, by it is this with it is coal-fired
The mode of boiler manifold type power generation, can greatly improve the generating efficiency of organic waste combustion heat energy, the hair of general couple formula
Electrical efficiency can reach 40% or more, and the generating efficiency of castoff burning is only capable of reaching 20%~30% since steam parameter is low
In range.
Claims (9)
1. a kind of polynary waste innocuity disposal system, it is characterised in that: filled including desiccation fuel pulverizing plant (1), gas solid separation
Set (2), molten slag type gasification installation (3), deslagging device (4), combustion furnace (12), spray washing device (11) and waste-heat recovery device
(5)；Be provided on the desiccation fuel pulverizing plant (1) for for manufactured filter cake enters after pretreatment feed inlet (1.1),
The gas feed (1.2) entered for heat supply carrier gas and mixing for the gaseous mixture output for powder waste and hot carrier gas
Close material outlet (1.3), the desiccation fuel pulverizing plant (1) mixture outlet (1.3) and gas-solid separating device (2) mixture into
Mouthful (2.1) connection, be additionally provided on the gas-solid separating device (2) powder for export for powder waste export (2.2),
And the offgas outlet (2.3) for being discharged for tail gas；The powder outlet (2.2) of the gas-solid separating device (2) and molten slag type
The first import (3.1) of gasification installation (3) connects, and is additionally provided on the molten slag type gasification installation (3) for for solid waste
The second import (3.2), the slag-drip opening (3.3) for being discharged for slag and the exhaust for being discharged for synthesis gas that object enters
Mouth (3.4)；The slag-drip opening (3.3) of the molten slag type gasification installation (3) is connect with the slag inlet (4.1) of deslagging device (4), described
Be provided on deslagging device (4) slag notch (4.2) for being discharged for slag charge, the water inlet (4.3) for entering for cold water, with
And the water outlet (4.4) for supplying hot water output；
The exhaust outlet (3.4) of the molten slag type gasification installation (3) is connect with the combustion furnace (12), the combustion furnace (12) and institute
State high temperature air inlet (5.1) connection of waste-heat recovery device (5)；
The offgas outlet (2.3) connect with the spray washing device (11), the gas outlet of the spray washing device (11)
It is connect with the low temperature air inlet mouth (5.3) of the waste-heat recovery device (5), the high temperature gas outlet of the waste-heat recovery device (5)
(5.4) it is connect with the gas feed (1.2) of desiccation fuel pulverizing plant (1).
2. polynary waste innocuity disposal system according to claim 1, it is characterised in that: further include purification device (6)
With wastewater treatment equipment (7)；The low temperature gas outlet (5.2) of the waste-heat recovery device (5) and the air inlet of purification device (6)
(6.1) it connects, the clean gas outlet (6.2) of the purification device (6) is connected with external world's conveying piping, the purification device (6)
Wastewater outlet (6.3) connect with the first waste water inlet (7.1) of wastewater treatment equipment (7), the wastewater treatment equipment (7)
Treated water outlet (7.2) is connect with the water inlet (4.3) of deslagging device (4), the sludge liquid outlet of the wastewater treatment equipment (7)
(7.3) it is connect with the feed inlet (1.1) of desiccation fuel pulverizing plant (1).
3. polynary waste innocuity disposal system according to claim 2, it is characterised in that: the spray washing device
(11) dust-laden wastewater outlet (11.3) is connect with the second waste water inlet (7.4) of wastewater treatment equipment (7).
4. polynary waste innocuity disposal system according to claim 1, it is characterised in that: the gas-solid separating device
(2) it is provided on the pipeline between powder outlet (2.2) and the first import (3.1) of molten slag type gasification installation (3) for defeated
The conveying device (13) of powder feeding body waste is provided with for defeated at the second import (3.2) of the molten slag type gasification installation (3)
Send the charging gear (14) of solid waste.
5. the according to claim 1 or 2 or 3 polynary waste innocuity disposal systems, it is characterised in that: the gas solid separation
It is arranged on pipeline between the powder outlet (2.2) and the first import (3.1) of molten slag type gasification installation (3) of device (2) useful
In the prilling granulator being granulated to powder waste.
6. the according to claim 1 or 2 or 3 polynary waste innocuity disposal systems, it is characterised in that: the desiccation powder
Device (1) includes the spiral board (1.5) of shell (1.4) and setting in shell (1.4) inner cavity lower part, the spiral board (1.5)
Top be provided with can high-speed rotating crushing cutter (1.6), the feed inlet (1.1) is located at the top of crushing cutter (1.6), institute
State the lower section that gas feed (1.2) is located at spiral board (1.5).
7. polynary waste innocuity disposal system according to claim 6, it is characterised in that: spiral board (1.5) packet
The annular inclined plate (1.51) and setting fixed with shell (1.4) inner wall are included in the solid panel of annular inclined plate (1.51) inner ring
(1.52), several through-holes (1.53) for heat supply carrier gas ejection are arranged circumferentially along it on the annular inclined plate (1.51).
8. the according to claim 1 or 2 or 3 polynary waste innocuity disposal systems, it is characterised in that: the gas feed
(1.2) with the tangent arrangement of bottom outer wall circumference of desiccation fuel pulverizing plant (1), the mixture outlet (1.3) and desiccation powder are filled
Set the tangent arrangement of top exterior walls circumference of (1).
9. a kind of polynary waste innocuity disposal system, it is characterised in that: filled including desiccation fuel pulverizing plant (1), gas solid separation
Set (2), molten slag type gasification installation (3), deslagging device (4), combustion furnace (12), waste-heat recovery device (5), purification device (6), with
And wastewater treatment equipment (7)；It is provided on the desiccation fuel pulverizing plant (1) for entering for filter cake manufactured after pretreatment
Feed inlet (1.1), the gas feed (1.2) that enters for heat supply carrier gas and for for powder waste and hot carrier gas
The mixture of gaseous mixture output exports (1.3), and the mixture outlet (1.3) of the desiccation fuel pulverizing plant (1) and gas solid separation fill
Mixture import (2.1) connection of (2) is set, is additionally provided on the gas-solid separating device (2) for being exported for powder waste
Powder outlet (2.2) and the offgas outlet (2.3) for being discharged for tail gas；The powder of the gas-solid separating device (2) goes out
Mouth (2.2) is connect with the first import (3.1) of molten slag type gasification installation (3), is additionally provided on the molten slag type gasification installation (3)
The second import (3.2) for entering for solid waste, the slag-drip opening (3.3) for being discharged for slag and for for close
The exhaust outlet (3.4) being discharged at gas；The slag-drip opening (3.3) of the molten slag type gasification installation (3) and the slag inlet of deslagging device (4)
(4.1) it connects, slag notch (4.2) for being discharged for slag charge is provided on the deslagging device (4), for what is entered for cold water
Water inlet (4.3) and the water outlet (4.4) exported for supplying hot water；
The exhaust outlet (3.4) of the molten slag type gasification installation (3) is connect with the combustion furnace (12), the combustion furnace (12) and institute
State waste-heat recovery device (5) high temperature air inlet (5.1) connection, the low temperature gas outlet (5.2) of the waste-heat recovery device (5) with
The air inlet (6.1) of purification device (6) connects, and clean gas outlet (6.2) and the external world of the purification device (6) convey piping phase
Even, the wastewater outlet (6.3) of the purification device (6) is connect with the first waste water inlet (7.1) of wastewater treatment equipment (7), institute
The treated water outlet (7.2) for stating wastewater treatment equipment (7) is connect with the water inlet (4.3) of deslagging device (4), the wastewater treatment
The sludge liquid outlet (7.3) of device (7) is connect with the feed inlet (1.1) of desiccation fuel pulverizing plant (1)；
The offgas outlet (2.3) connect with the combustion furnace (12), the clean gas outlet (6.2) of the purification device (6) with
The low temperature air inlet mouth (5.3) of the waste-heat recovery device (5) connects, the high temperature gas outlet (5.4) of the waste-heat recovery device (5)
It is connect with the gas feed (1.2) of desiccation fuel pulverizing plant (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243773.6U CN208613349U (en) | 2018-02-11 | 2018-02-11 | Polynary waste innocuity disposal system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820243773.6U CN208613349U (en) | 2018-02-11 | 2018-02-11 | Polynary waste innocuity disposal system |
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| CN208613349U true CN208613349U (en) | 2019-03-19 |
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ID=65692973
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176703A (en) * | 2018-02-11 | 2018-06-19 | 武汉凯迪工程技术研究总院有限公司 | Polynary waste method for innocent treatment and its system |
| CN111412473A (en) * | 2020-03-31 | 2020-07-14 | 江苏大学 | Gasification combustion utilization method and system suitable for high-humidity solid waste material |
-
2018
- 2018-02-11 CN CN201820243773.6U patent/CN208613349U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108176703A (en) * | 2018-02-11 | 2018-06-19 | 武汉凯迪工程技术研究总院有限公司 | Polynary waste method for innocent treatment and its system |
| CN108176703B (en) * | 2018-02-11 | 2023-10-27 | 武汉凯迪工程技术研究总院有限公司 | Harmless treatment method and system for multi-element waste |
| CN111412473A (en) * | 2020-03-31 | 2020-07-14 | 江苏大学 | Gasification combustion utilization method and system suitable for high-humidity solid waste material |
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Granted publication date: 20190319 Termination date: 20210211 |