CN106077024A - Process the system and method for house refuse - Google Patents

Process the system and method for house refuse Download PDF

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Publication number
CN106077024A
CN106077024A CN201610430277.7A CN201610430277A CN106077024A CN 106077024 A CN106077024 A CN 106077024A CN 201610430277 A CN201610430277 A CN 201610430277A CN 106077024 A CN106077024 A CN 106077024A
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China
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outlet
gas
pyrolysis
entrance
cement
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CN201610430277.7A
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Chinese (zh)
Inventor
贾懿曼
包欣欣
肖磊
王鹏飞
吴道洪
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北京神雾环境能源科技集团股份有限公司
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Priority to CN201610430277.7A priority Critical patent/CN106077024A/en
Publication of CN106077024A publication Critical patent/CN106077024A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B09DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
    • B09BDISPOSAL OF SOLID WASTE
    • B09B3/00Destroying solid waste or transforming solid waste or contaminated solids into something useful or harmless
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B7/00Hydraulic cements
    • C04B7/24Cements from oil shales, residues or waste other than slag
    • Y02P40/145

Abstract

The invention discloses the system and method processing house refuse, this system includes: pretreatment unit, and pretreatment unit has house refuse entrance, foul smell outlet, organic waste outlet, inorganic refuse outlet and the first outlet of sewer;Heat accumulation type radiant tube revolving bed, heat accumulation type radiant tube revolving bed has the first combustible gas entrance, combustion air inlet, quick lime entrance, organic waste entrance, pyrolysis oil gas vent and pyrolytic carbon outlet, combustion air inlet is connected with foul smell outlet, and organic waste entrance is connected with organic waste outlet;Cement kiln synergetic unit, cement kiln synergetic unit has feed(raw material)inlet, fuel inlet, waste gas outlet and cement exit, and feed(raw material)inlet is connected with inorganic refuse outlet, and fuel inlet is connected with pyrolytic carbon outlet.This system is possible not only to effectively reduce manufacture of cement cost, and can realize the innoxious of house refuse and recycling treatment, has huge economic benefit and social benefit.

Description

Process the system and method for house refuse

Technical field

The invention belongs to chemical technology field, specifically, the present invention relates to a kind of system processing house refuse and side Method.

Background technology

At present, the process problem of domestic waste becomes whole people's focus of attention already.Existing landfill, compost, burning Etc. technology due to himself intrinsic shortcoming so that it is development is limited to.China many urban construction consumer waste incineration is sent out Power plant, but burn the two English pollution problems brought and cause people's dispute to waste incineration mode.Two English environmental toxicities Greatly, the most degradable, cause great threat to resident is healthy.The method using cement kiln synergic processing rubbish, existing skill Art have rubbish is directly burned after or directly garbage raw material is thrown away in cement kiln.Directly burn away the refuse and can produce two English etc. Pollute environment, produce the device of some corrosive gas meeting corrosive water stall, breaking plant;And directly house refuse is thrown away into water Reacting in stall, the complicated component of rubbish, water content high can affect the quality of cement products, affects whole cement kiln Technique.

Therefore, the technology of existing process house refuse is further improved.

Summary of the invention

It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the present invention One purpose is to propose a kind of system and method processing house refuse, and this system is by by the process of house refuse and cement Kiln is worked in coordination with treatment technology and is combined, and is possible not only to effectively reduce manufacture of cement cost, and can realize house refuse Innoxious and recycling treatment, there is huge economic benefit and social benefit.

In the first aspect of the invention, this present invention proposes a kind of system processing house refuse.According to the present invention Embodiment, this system includes:

Pretreatment unit, described pretreatment unit have house refuse entrance, foul smell outlet, organic waste outlet, inorganic Garbage outlet and the first outlet of sewer;

Heat accumulation type radiant tube revolving bed, described heat accumulation type radiant tube revolving bed has the first combustible gas entrance, combustion air Entrance, quick lime entrance, organic waste entrance, pyrolysis oil gas vent and pyrolytic carbon outlet, described combustion air inlet is with described Foul smell outlet is connected, and described organic waste entrance is connected with the outlet of described organic waste;

Cement kiln synergetic unit, described cement kiln synergetic unit has feed(raw material)inlet, fuel inlet, waste gas go out Mouth and cement exit, described feed(raw material)inlet is connected with the outlet of described inorganic refuse, and described fuel inlet exports with described pyrolytic carbon It is connected.

Thus, the system of process house refuse according to embodiments of the present invention is by obtaining after house refuse pretreatment Organic waste, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing, quick lime to heat accumulation type radiant tube revolving bed Can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this portion Mitogenetic Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is processed into not increasing The wasting of resources that garbage loading embeading or burning cause can be avoided while Ben, and can effectively solve to burn by pyrolysis processing The problem that two English that rubbish is brought pollute, supplies gained pyrolytic carbon to cement kiln synergetic unit as combustion simultaneously Material uses, and will coordinate limestone, clay matter etc. in pretreatment unit gained inorganic refuse supply to cement kiln synergetic unit As cement slurry, so it is possible not only to effectively reduce cement cost, and so that separating obtained inorganic refuse is filled Divide and utilize, such that it is able to garbage disposal is combined with cement kiln synergetic unit, relative to existing cement kiln Cooperative disposal method, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up Smelly, produce the problem that rubbish can be put nowhere, thus realize the innoxious of house refuse and recycling treatment.

It addition, the system of process house refuse according to the above embodiment of the present invention can also have following additional technology Feature:

In some embodiments of the invention, the system of described process house refuse farther includes: Oil-gas Separation purifies Device, described Oil-gas Separation purifier has pyrolysis oil gas entrance, pyrolysis gas outlet, pyrolysis oil outlet and the second sewage and goes out Mouthful, described pyrolysis oil gas entrance is connected with described pyrolysis oil gas vent, and the outlet of described pyrolysis oil is connected with described fuel inlet;Can Combustion gas storage tank, described combustible gas storage tank has the second combustible gas entrance and the outlet of the second combustible gas, described second combustible gas entrance Being connected with described pyrolysis gas outlet, described second combustible gas outlet is connected with described first combustible gas entrance;Sewage-treatment plant, Described sewage-treatment plant have sewage inlet and treatment fluid outlet, described sewage inlet respectively with described first outlet of sewer and Described second outlet of sewer is connected.Thus, it is possible to significantly improve the environmental benefit of this system.

In some embodiments of the invention, the outlet of described pyrolytic carbon and the preheating in described cement kiln synergetic unit Device, dore furnace are connected with the fuel inlet at least one in rotary kiln.Thus, it is possible to significantly reduce manufacture of cement cost.

In some embodiments of the invention, the outlet of described pyrolysis oil and the preheating in described cement kiln synergetic unit Device, dore furnace are connected with the fuel inlet at least one in rotary kiln.Become thus, it is possible to reduce manufacture of cement further This.

In some embodiments of the invention, the system of described process house refuse farther includes: TRT, described TRT has exhaust gas entrance and the outlet of boiler residual air, and described exhaust gas entrance is connected with described waste gas outlet, described boiler residual Gas outlet is connected with the raw material grinding mill in described cement kiln synergetic unit.Thus, it is possible to significantly reduce system energy consumption.

In another aspect of the invention, the present invention proposes a kind of method processing house refuse.According to the present invention's Embodiment, the method is that the system using process house refuse described above is carried out.According to a particular embodiment of the invention, The method includes:

(1) will house refuse supply to described pretreatment unit carries out pretreatment, in order to obtain foul smell, organic waste, Inorganic refuse and the first sewage;

(2) by the supply of quick lime, described organic waste and described foul smell to described heat accumulation type radiant tube revolving bed, in order to right Described organic waste carries out pyrolysis processing, obtains being pyrolyzed oil gas and pyrolytic carbon;

(3) described inorganic refuse and described pyrolytic carbon are supplied extremely described cement kiln synergetic unit and make described inorganic Rubbish and cement slurry carry out collaborative process, in order to obtain waste gas and cement.

Thus, the method for process house refuse according to embodiments of the present invention is by obtaining after house refuse pretreatment Organic waste, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing, quick lime to heat accumulation type radiant tube revolving bed Can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this portion Mitogenetic Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is processed into not increasing The wasting of resources that garbage loading embeading or burning cause can be avoided while Ben, and can effectively solve to burn by pyrolysis processing The problem that two English that rubbish is brought pollute, supplies gained pyrolytic carbon to cement kiln synergetic unit as combustion simultaneously Material uses, and will coordinate limestone, clay matter etc. in pretreatment unit gained inorganic refuse supply to cement kiln synergetic unit As cement slurry, so it is possible not only to effectively reduce cement cost, and so that separating obtained inorganic refuse is filled Divide and utilize, such that it is able to garbage disposal is combined with cement kiln synergetic unit, relative to existing cement kiln Cooperative disposal method, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up Smelly, produce the problem that rubbish can be put nowhere, thus realize the innoxious of house refuse and recycling treatment.

It addition, the method for process house refuse according to the above embodiment of the present invention can also have following additional technology Feature:

In some embodiments of the invention, the method for described process house refuse farther includes: (4) are by described pyrolysis Oil gas supply carries out isolation of purified process to described Oil-gas Separation purifier, in order to obtain pyrolysis gas, pyrolysis oil and second dirty Water, and the supply of described pyrolysis gas is used to described heat accumulation type radiant tube revolving bed as combustion gas, described pyrolysis oil is supplied extremely Described cement kiln synergetic unit uses as fuel;(5) described first sewage step (1) obtained and step (4) obtain Described second sewage arrived supplies to sewage-treatment plant, in order to obtain treatment fluid.Thus, it is possible to significantly improve the ring of this system Protect benefit.

In some embodiments of the invention, described pyrolytic carbon supply step (2) obtained is worked in coordination with to described cement kiln At least one in preheater, dore furnace and rotary kiln on processing unit uses as fuel.Thus, it is possible to significantly reduce water Mud production cost.

In some embodiments of the invention, described pyrolysis oil supply step (4) obtained is worked in coordination with to described cement kiln At least one in preheater, dore furnace and rotary kiln on processing unit uses as fuel.Thus, it is possible to reduce further Manufacture of cement cost.

In some embodiments of the invention, the method for described process house refuse farther includes: (6) are by step (3) The described waste gas supply obtained carries out UTILIZATION OF VESIDUAL HEAT IN to described TRT, in order to obtain boiler residual air, and by described boiler residual Gas supply uses to the raw material grinding mill in described cement kiln synergetic unit as dry medium.Thus, it is possible to significantly reduce it is System energy consumption.

The additional aspect of the present invention and advantage will part be given in the following description, and part will become from the following description Obtain substantially, or recognized by the practice of the present invention.

Accompanying drawing explanation

Above-mentioned and/or the additional aspect of the present invention and advantage are from combining the accompanying drawings below description to embodiment and will become Substantially with easy to understand, wherein:

Fig. 1 is the system structure schematic diagram processing house refuse according to an embodiment of the invention;

Fig. 2 is the system structure schematic diagram of the process house refuse according to further embodiment of the present invention;

Fig. 3 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention;

Fig. 4 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention;

Fig. 5 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention;

Fig. 6 is the method flow schematic diagram processing house refuse according to an embodiment of the invention;

Fig. 7 is the method flow schematic diagram of the process house refuse according to further embodiment of the present invention;

Fig. 8 is the method flow schematic diagram of the process house refuse according to another embodiment of the present invention;

Fig. 9 is the system structure schematic diagram of the process house refuse according to another embodiment of the present invention.

Detailed description of the invention

Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.

In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ", " thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end ", " interior ", " outward ", " up time Pin ", " counterclockwise ", " axially ", " radially ", the orientation of the instruction such as " circumferential " or position relationship be based on orientation shown in the drawings or Position relationship, is for only for ease of the description present invention and simplifies description rather than instruction or imply that the device of indication or element must Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three Individual etc., unless otherwise expressly limited specifically.

In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing " etc. Term should be interpreted broadly, and connects for example, it may be fixing, it is also possible to be to removably connect, or integral;Can be that machinery connects Connect, it is also possible to be electrical connection;Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, in can being two elements The connection in portion or the interaction relationship of two elements, unless otherwise clear and definite restriction.For those of ordinary skill in the art For, above-mentioned term concrete meaning in the present invention can be understood as the case may be.

In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible It is that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature exists Second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or be merely representative of Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height less than second feature.

In one aspect of the invention, the present invention proposes a kind of system processing house refuse.Reality according to the present invention Executing example, with reference to Fig. 1, this system includes: pretreatment unit 100, heat accumulation type radiant tube revolving bed 200 and cement kiln are collaborative processes list Unit 300.

According to embodiments of the invention, pretreatment unit 100 have house refuse entrance 101, foul smell outlet 102, organic Garbage outlet 103, inorganic refuse outlet 104 and the first outlet of sewer 105, and be suitable to house refuse is carried out pretreatment, thus Foul smell, organic waste, inorganic refuse and the first sewage can be obtained.Concrete, after house refuse is weighed by weighbridge office, through unloading Material platform is poured refuse pit into and is carried out heap filter, obtains foul smell (being mainly composed of methane) and contaminant water, then will by garbage grab bucket Rubbish after heap filter is sent in apron feeder, and uniform and stable for material is transported to belt with uniform distribution machine by apron feeder On machine, rubbish is transported to manual sorting room by belt feeder, is sorted by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle Out, then sieving through rotary screen, the organic waste obtained supplies after roll crushing crusher machine to subsequent process again and carries out Process.

According to embodiments of the invention, heat accumulation type radiant tube revolving bed 200 has the first combustible gas entrance 201, combustion-supporting sky Gas entrance 202, quick lime entrance 203, organic waste entrance 204, pyrolysis oil gas vent 205 and pyrolytic carbon outlet 206, combustion-supporting sky Gas entrance 202 is connected with foul smell outlet 102, and organic waste entrance 204 is connected with organic waste outlet 103, and is suitable to foul smell Supply to heat accumulation type radiant tube revolving bed uses as the combustion air of heat accumulation type radiant tube, and at heat accumulating type together with combustible gas Radial canal burns for providing heat in revolving bed, quick lime and organic waste is supplied to revolving bed, carries out pyrolysis processing, Such that it is able to obtain being pyrolyzed oil gas and pyrolytic carbon.Concrete, the organic waste from rubbish pretreatment unit is completely cutting off air Under the conditions of in revolving bed pyrolysis oven, be heated to about 600~900 DEG C, its contained Organic substance and the volatile matter overwhelming majority analysis Going out, obtain being pyrolyzed oil gas and two kinds of products of pyrolytic carbon after pyrolysis, the quick lime wherein added can be with in catalytic pyrolysis pyrolysis oil gas Tar, thus improve the yield of pyrolysis gas.Ringwise, furnace bottom can connect the burner hearth of the heat accumulation type radiant tube revolving bed that pyrolysis uses Continuous rotation, the organic waste obtained after pretreatment and quick lime, feeding device load in heat accumulation type radiant tube revolving bed, Being laid in equably on furnace bottom, layer thickness about 40~800mm, furnace bottom machine drives furnace bottom to rotate continuously, is layered on furnace bottom The bed of material rotates with furnace bottom, sequentially passes through the preheating section of stove, a conversion zone, two conversion zones and three conversion zones, is finally heated to About 600~900 DEG C and complete pyrolytic reaction, the pyrolytic carbon after pyrolysis is unloaded by pyrolytic carbon outlet outside coming out of the stove, and immediately enters cold But room cooling, pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth.Inventor finds, by by house refuse pretreatment After obtain organic waste, foul smell and cement raw material quick lime supply carry out at pyrolysis to heat accumulation type radiant tube revolving bed Reason, quick lime can be with the pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, And this part quick lime can supply after pyrogenic processes to subsequent process and use as cement producting material, thus do not increasing The wasting of resources that garbage loading embeading or burning cause can be avoided while adding processing cost, and can be effective by pyrolysis processing The problem that brought two English that solve to burn away the refuse pollute.It should be noted that quick lime entrance 203 and organic waste entrance 204 can be single two entrances, it is also possible to for same entrance, those skilled in the art can be carried out according to actual needs Select.

According to embodiments of the invention, cement kiln synergetic unit 300 have feed(raw material)inlet 301, fuel inlet 302, Waste gas outlet 303 and cement exit 304, fuel inlet 302 is connected with pyrolytic carbon 206 outlet, feed(raw material)inlet 301 and inorganic refuse Outlet 104 is connected, and is suitable to the pyrolytic carbon that obtained by heat accumulation type radiant tube revolving bed and inorganic refuse that pretreatment unit obtains Supplying to cement kiln synergetic unit, pyrolytic carbon makes inorganic refuse and water as the fuel of cement kiln synergetic unit Mud raw material carry out collaborative process, such that it is able to obtain waste gas and cement.Inventor finds, by by heat accumulation type radiant tube revolving bed The inorganic refuse that the pyrolytic carbon obtained and pretreatment unit obtain supplies to cement kiln synergetic unit, and pyrolytic carbon is as water The fuel of stall synergetic unit uses so that inorganic refuse and limestone, clay matter etc. occur as between cement slurry Synergism, such that it is able to combine garbage disposal with cement kiln synergetic unit, relative to existing cement Kiln cooperative disposal method, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, Bu Huidui Put smelly, produce the problem that rubbish can be put nowhere, and then realize the innoxious of house refuse and recycling treatment.Concrete, nothing Machine rubbish is of low quality in the 15% of cement entirety raw material.

Concrete, with reference to Fig. 2, cement kiln synergetic unit 300 includes raw material grinding mill 31, homogenizing storehouse 32, preheater 33, divides Solve stove 34, rotary kiln 35, clinker warehouse 36 and fine coal deployment device 37 etc., according to a particular embodiment of the invention, with reference to Fig. 2, heat Solving charcoal outlet 206 to be connected with at least one in preheater 33, dore furnace 34, rotary kiln 35, cement slurry is through raw material grinding mill 31 carry out pulverizing and dried, supply successively to homogenizing storehouse 32, preheater 33, dore furnace 34, rotary kiln 35, clinker warehouse 36 and powder Coal deployment device 37 processes, and obtains waste gas and cement products.Can increase online at raw material grinding mill for controlling material composition fluctuation Analyser, such that it is able to save the input of cement raw material.

The system of process house refuse according to embodiments of the present invention is by organic by obtain after house refuse pretreatment Rubbish, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing to heat accumulation type radiant tube revolving bed, and quick lime is permissible Pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this part is raw Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is not increasing processing cost The wasting of resources that garbage loading embeading or burning cause can be avoided simultaneously, and can effectively solve to burn away the refuse by pyrolysis processing The problem that two English brought pollute, makes the supply of gained pyrolytic carbon as fuel to cement kiln synergetic unit simultaneously With, pretreatment unit gained inorganic refuse supply to cement kiln synergetic unit will coordinate limestone, clay matter etc. to be used as Cement slurry, is so possible not only to effectively reduce cement cost, and so that separating obtained inorganic refuse is able to abundant profit With, such that it is able to garbage disposal is combined with cement kiln synergetic unit, work in coordination with relative to existing cement kiln Method of disposal, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, Produce the problem that rubbish can be put nowhere, thus realize the innoxious of house refuse and recycling treatment.

With reference to Fig. 3, according to embodiments of the invention, the system of described process house refuse farther includes: Oil-gas Separation Purifier 400, combustible gas storage tank 500 and sewage-treatment plant 600.

According to embodiments of the invention, Oil-gas Separation purifier 400 has pyrolysis oil gas entrance 401, pyrolysis gas outlet 402, pyrolysis oil outlet 403 and the second outlet of sewer 404, pyrolysis oil gas entrance 401 is connected with pyrolysis oil gas vent 205, pyrolysis Oil export 403 is connected with fuel inlet 302, and is suitable to the pyrolysis oil gas obtained in heat accumulation type radiant tube revolving bed for carrying out point From purified treatment, such that it is able to isolated pyrolysis gas, pyrolysis oil and the second sewage, and obtained pyrolysis oil is supplied to water Stall synergetic unit uses as fuel.Concrete, from the pyrolysis oil gas of heat accumulation type radiant tube revolving bed through wet type Gas wash tower, after being removed by the dust carried, enters the transverse pipe initial cooler of two parallel operations, enters back into two also in pyrolysis oil gas In conjunction with time operation electrical tar precipitator, complete to remove the tar work carried secretly in pyrolysis gas, then by coal gas Roots blower by heat Vent one's spleen and deliver to dry desulfurization operation, gas-liquid separator separates the pyrolysis oil got off and circulation pyrolysis water enter mechanization profit and divide From groove, it is circulated pyrolysis water, pyrolysis oil separating, i.e. isolated pyrolysis oil and sewage at this.It should be noted that ability Actual conditions during this can be selected by field technique personnel according to actual needs.

According to embodiments of the invention, combustible gas storage tank 500 has the second combustible gas entrance 501 and the outlet of the second combustible gas 502, the second combustible gas entrance 501 is connected with pyrolysis gas outlet 402, the second combustible gas outlet 502 and the first combustible gas entrance 201 It is connected, and is suitable to store the combustible gas of Oil-gas Separation purifier isolated, and the supply of this combustible gas is radiated to heat accumulating type Pipe revolving bed uses as the fuel of radial canal.Thus, it is possible to significantly reduce processing cost.

According to embodiments of the invention, sewage-treatment plant 600 has sewage inlet 601 and treatment fluid outlet 602, sewage Entrance 601 is connected with the first outlet of sewer 105 and the second outlet of sewer 404 respectively, and is suitable to obtained by pretreatment unit The second sewage that one sewage and Oil-gas Separation purifier obtain carries out purified treatment, such that it is able to obtain treatment fluid.Need Bright, the actual conditions employed in this process can be selected by those skilled in the art according to actual needs.

According to a particular embodiment of the invention, with reference to Fig. 4, in pyrolysis oil outlet 402 and cement kiln synergetic unit Preheater 33, dore furnace 34 are connected with the fuel inlet at least one in rotary kiln 35.Thus, it is possible to significantly reduce cement Production cost.

With reference to Fig. 5, the system of process house refuse according to embodiments of the present invention farther includes: TRT 700.

According to embodiments of the invention, TRT 700 has exhaust gas entrance 701 and boiler residual air outlet 702, and waste gas enters Mouth 701 is connected with waste gas outlet 303, and boiler residual air outlet 702 is connected with the raw material grinding mill 31 in cement kiln synergetic unit, and The kiln tail gas supply being suitable to obtain quality coal in cement kiln systems processing unit carries out waste heat recovery to TRT, and by obtained Boiler residual air use as dry medium to the raw material grinding mill on quality coal in cement kiln systems processing unit as thermal source supply.Thus, may be used To significantly reduce system energy consumption.

As it has been described above, the system of process house refuse according to embodiments of the present invention can have selected from following advantage at least One of:

The system of process house refuse according to embodiments of the present invention uses heat accumulation type radiant tube revolving bed to house refuse It is pyrolyzed, it is to avoid burn the problem that two English brought pollute;

The system of process house refuse according to embodiments of the present invention is by being combined refuse pyrolysis with cement kiln production line Getting up, take full advantage of the pyrolysis oil of refuse pyrolysis generation, pyrolysis gas, pyrolytic carbon, energy utilization rate is high;

The system of process house refuse according to embodiments of the present invention the most just adds quick lime, both to being pyrolyzed To catalytic action, the link that later stage cement raw material adds can be saved again, change the technological process of conventional cement kiln;

Product after the refuse pyrolysis of the system of process house refuse according to embodiments of the present invention can be by cement kiln Utilize, save the raw material required for cement kiln produces;

The system of process house refuse according to embodiments of the present invention combines with cement kiln skill relative to original rubbish Art, this technology does not interferes with the production line of cement kiln itself, does not interferes with the quality of its product, and once cement kiln stops production, House refuse can also process;

The system of process house refuse according to embodiments of the present invention improves the macroeconomic of refuse pyrolysis gasifying process Property, it is easy to industrialization promotion.

In another aspect of the invention, the present invention proposes a kind of method processing house refuse.According to the present invention's Embodiment, the method is that the system using above-mentioned process house refuse is carried out.According to a particular embodiment of the invention, with reference to figure 6, the method for described process house refuse includes:

S100: house refuse supply is carried out pretreatment to pretreatment unit

According to embodiments of the invention, house refuse supply is carried out pretreatment to pretreatment unit, such that it is able to To foul smell, organic waste, inorganic refuse and the first sewage.Concrete, after house refuse is weighed by weighbridge office, through discharging platform Pour refuse pit into and carry out heap filter, obtain foul smell (being mainly composed of methane) and contaminant water, after then being filtered by heap by garbage grab bucket Rubbish send in apron feeder, uniform and stable for material is transported on belt feeder by apron feeder with uniform distribution machine, Rubbish is transported to manual sorting room by belt feeder, is sorted out by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle, Sieving through rotary screen, the organic waste obtained supplies after roll crushing crusher machine to subsequent process again and processes again.

S200: quick lime, organic waste and foul smell are supplied to heat accumulation type radiant tube revolving bed

According to embodiments of the invention, foul smell is supplied to heat accumulation type radiant tube revolving bed helping as heat accumulation type radiant tube Combustion air uses, and burns in heat accumulation type radiant tube together with combustible gas for providing heat in revolving bed, by quick lime and having The supply of machine rubbish carries out pyrolysis processing to revolving bed, such that it is able to obtain being pyrolyzed oil gas and pyrolytic carbon.Concrete, from rubbish The organic waste of pretreatment unit is heated to about 600~900 DEG C under conditions of isolation air in revolving bed pyrolysis oven, its Contained Organic substance and the volatile matter overwhelming majority separate out, and obtain being pyrolyzed oil gas and two kinds of products of pyrolytic carbon, wherein add after pyrolysis Quick lime thus the yield of pyrolysis gas can be improved with the tar in catalytic pyrolysis pyrolysis oil gas.The heat accumulating type spoke that pyrolysis uses Penetrating the burner hearth of pipe revolving bed ringwise, furnace bottom can rotate continuously, the organic waste obtained after pretreatment and quick lime, by filling Material device loads in heat accumulation type radiant tube revolving bed, is laid in equably on furnace bottom, layer thickness about 40~800mm, furnace bottom machine Tool drive furnace bottom rotate continuously, the bed of material being layered on furnace bottom with furnace bottom rotate, sequentially pass through the preheating section of stove, a conversion zone, Two conversion zones and three conversion zones, be finally heated to about 600~900 DEG C and complete pyrolytic reaction, the pyrolytic carbon after pyrolysis by Pyrolytic carbon outlet is unloaded outside coming out of the stove, and immediately enters cooling chamber cooling, and pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth. Inventor finds, is supplied extremely by the organic waste that will obtain after house refuse pretreatment, foul smell and cement raw material quick lime Carrying out pyrolysis processing in heat accumulation type radiant tube revolving bed, quick lime can be pyrolyzed the pyrolysis oil in oil gas with catalytic pyrolysis gained, from And can significantly improve the yield of gained pyrolysis gas, and this part quick lime can supply to subsequent process after pyrogenic processes Use as cement producting material, thus the money that garbage loading embeading or burning cause can be avoided while not increasing processing cost Source is wasted, and can effectively be solved to burn away the refuse the problem that two brought English pollute by pyrolysis processing.

S300: inorganic refuse and pyrolytic carbon supply are made inorganic refuse and cement slurry to cement kiln synergetic unit Carry out collaborative process

According to embodiments of the invention, the pyrolytic carbon obtained by heat accumulation type radiant tube revolving bed and pretreatment unit obtain Inorganic refuse supplies to cement kiln synergetic unit, and pyrolytic carbon makes inorganic as the fuel of cement kiln synergetic unit Rubbish and cement slurry carry out collaborative process, such that it is able to obtain waste gas and cement.Inventor finds, by being radiated by heat accumulating type Pyrolytic carbon that pipe revolving bed obtains and the inorganic refuse that pretreatment unit obtains supply in cement kiln synergetic unit, pyrolysis Charcoal uses as the fuel of cement kiln synergetic unit so that inorganic refuse and limestone, clay matter etc. are as cement slurry Between occur synergism, such that it is able to garbage disposal is combined with cement kiln synergetic unit, relative to show Some cement kiln synergic processing methods, in this application, once cement kiln production line stops production, and house refuse can also be hot in advance Solve, will not bank up smelly, produce the problem that rubbish can be put nowhere, and then realize the innoxious of house refuse and recycling treatment. Concrete, inorganic refuse is of low quality in the 15% of cement entirety raw material.

According to a particular embodiment of the invention, the pyrolytic carbon that can be obtained by heat accumulation type radiant tube revolving bed supplies extremely and water At least one in preheater, dore furnace and rotary kiln in stall synergetic unit uses as fuel.Thus, it is possible to it is aobvious Write and reduce manufacture of cement cost.

The method of process house refuse according to embodiments of the present invention is by organic by obtain after house refuse pretreatment Rubbish, foul smell and the supply of cement raw material quick lime carry out pyrolysis processing to heat accumulation type radiant tube revolving bed, and quick lime is permissible Pyrolysis oil in catalytic pyrolysis gained pyrolysis oil gas, such that it is able to significantly improve the yield of gained pyrolysis gas, and this part is raw Calx can supply after pyrogenic processes to subsequent process and use as cement producting material, thus is not increasing processing cost The wasting of resources that garbage loading embeading or burning cause can be avoided simultaneously, and can effectively solve to burn away the refuse by pyrolysis processing The problem that two English brought pollute, makes the supply of gained pyrolytic carbon as fuel to cement kiln synergetic unit simultaneously With, pretreatment unit gained inorganic refuse supply to cement kiln synergetic unit will coordinate limestone, clay matter etc. to be used as Cement slurry, is so possible not only to effectively reduce cement cost, and so that separating obtained inorganic refuse is able to abundant profit With, such that it is able to garbage disposal is combined with cement kiln synergetic unit, work in coordination with relative to existing cement kiln Method of disposal, in this application, once cement kiln production line stops production, and house refuse can also be pyrolyzed in advance, will not bank up smelly, Produce the problem that rubbish can be put nowhere, thus realize the innoxious of house refuse and recycling treatment.

With reference to Fig. 7, according to embodiments of the invention, the method for described process house refuse farther includes:

S400: the supply of pyrolysis oil gas is carried out isolation of purified process to Oil-gas Separation purifier, and by gained pyrolysis gas Supply and use as combustion gas to heat accumulation type radiant tube revolving bed, obtained pyrolysis oil is supplied to cement kiln synergetic unit Use as fuel

According to embodiments of the invention, by the pyrolysis oil gas obtained in heat accumulation type radiant tube revolving bed for carrying out isolation of purified Process, such that it is able to isolated pyrolysis gas, pyrolysis oil and the second sewage, and obtained pyrolysis oil supply is assisted to cement kiln Use as fuel with processing unit.Concrete, from the pyrolysis oil gas of heat accumulation type radiant tube revolving bed through wet dedusting tower, After being removed by the dust carried in pyrolysis oil gas, enter the transverse pipe initial cooler of two parallel operations, enter back into two parallel connections simultaneously The electrical tar precipitator of operation, completes to remove the tar work carried secretly in pyrolysis gas, then will be pyrolyzed pneumatic transmission by coal gas Roots blower Mechanization oil-water separation tank is entered to dry desulfurization operation, the gas-liquid separator separates pyrolysis oil got off and circulation pyrolysis water, Pyrolysis water, pyrolysis oil separating, i.e. isolated pyrolysis oil and sewage it is circulated at this.It should be noted that this area skill Actual conditions during this can be selected by art personnel according to actual needs.

According to a particular embodiment of the invention, the pyrolysis oil of Oil-gas Separation purifier isolated can be supplied to At least one in preheater, dore furnace and rotary kiln in cement kiln synergetic unit uses as fuel.Thus, it is possible to Significantly reduce manufacture of cement cost.

The second sewage that S500: the first sewage obtained by S100 and S400 obtain supplies to sewage-treatment plant

According to embodiments of the invention, the first sewage obtained by pretreatment unit and Oil-gas Separation purifier obtain Second sewage carries out purified treatment, such that it is able to obtain treatment fluid.It should be noted that those skilled in the art can be according to reality Border needs to select the actual conditions employed in this process.

With reference to Fig. 8, according to embodiments of the invention, the method for described process house refuse farther includes:

S600: waste gas supply to the TRT obtained by S300 carries out UTILIZATION OF VESIDUAL HEAT IN, and supplies boiler residual air to water Raw material grinding mill in stall synergetic unit

According to embodiments of the invention, waste gas step S300 obtained supply carries out UTILIZATION OF VESIDUAL HEAT IN to TRT, from And boiler residual air can be obtained, and using the raw material grinding mill in boiler residual air supply to cement kiln synergetic unit as dry medium Use.Thus, it is possible to significantly reduce energy consumption.

Below with reference to specific embodiment, present invention is described, it should be noted that these embodiments are only to describe Property, and limit the present invention never in any form.

Embodiment

Certain city's house refuse is processed by the system using the process house refuse shown in Fig. 9, and house refuse becomes packet Become as shown in table 1:

Table 1 house refuse becomes to be grouped into (wt%)

A, pretreatment unit carry out pretreatment: after house refuse is weighed by weighbridge office, pour rubbish into through discharging platform Storage hole carries out heap filter, obtains foul smell (being mainly composed of methane) and contaminant water, and the rubbish after then being filtered by heap by garbage grab bucket send Entering in apron feeder, uniform and stable for material is transported on belt feeder by apron feeder with uniform distribution machine, and belt feeder will Rubbish is transported to manual sorting room, is sorted out by the chaff interference such as inorganic refuse such as glass, brick and tile, branch, nettle, then through cylinder Sieving, the organic waste obtained supplies to heat accumulation type radiant tube revolving bed after roll crushing crusher machine again;

B, heat accumulation type radiant tube revolving bed are pyrolyzed: by quick lime and from the foul smell of rubbish pretreatment unit and organic rubbish Rubbish supply is heated to 800 DEG C of left sides to heat accumulation type radiant tube revolving bed under conditions of isolation air in revolving bed pyrolysis oven The right side, its contained Organic substance and the volatile matter overwhelming majority separate out, and obtain being pyrolyzed oil gas and two kinds of products of pyrolytic carbon after pyrolysis.Pyrolysis Ringwise, furnace bottom can rotate the burner hearth of the heat accumulation type radiant tube revolving bed used continuously, the organic rubbish obtained after pretreatment Rubbish, is loaded in heat accumulation type radiant tube revolving bed by feeding device, is laid in equably on furnace bottom, layer thickness about 700mm, furnace bottom Machinery drives furnace bottom to rotate continuously, and the bed of material being layered on furnace bottom rotates with furnace bottom, sequentially passes through the preheating section of stove, a reaction Section, two conversion zones and three conversion zones, be finally heated to about 800 DEG C and complete pyrolytic reaction, and the pyrolytic carbon after pyrolysis is by warm Solution charcoal outlet is unloaded outside coming out of the stove, and immediately enters cooling chamber cooling, and pyrolysis oil gas is discharged from multiple pyrolysis oil gas vents of burner hearth.

C, cement kiln synergetic unit carry out collaborative process: the pyrolytic carbon obtained by heat accumulation type radiant tube revolving bed supplies Preheater, dore furnace and rotary kiln to cement kiln synergetic unit use as fuel, fill from house refuse pretreatment Inorganic matter warehouse in the cement plant that the inorganic refuse put send, delivers on the feed belt of raw material grinding mill after grab bucket feeding, metering, After dispensing, enter raw material grinding mill with raw material carry out pulverizing and be dried, can increase in raw material grinding mill system for controlling material composition fluctuation Line analysis instrument.Inorganic refuse on the one hand alternative part clay raw material, saves cement raw material and puts into, on the other hand inorganic refuse In poisonous and harmful substance achieve harmless treatment through cement solidification effect, and inorganic refuse gross mass is not higher than cement The 5% of overall proportion scale, kiln tail gas supply cement kiln synergetic unit obtained carries out waste heat to TRT and returns Receive, and the raw material grinding mill that obtained boiler residual air supply is worked in coordination with in processing means to cement kiln is used as dry medium.

D, Oil-gas Separation purifier carry out being pyrolyzed oil gas purification separation: from the pyrolysis oil of heat accumulation type radiant tube revolving bed Gas is through wet dedusting tower, after being removed by the dust carried, enters the transverse pipe initial cooler of two parallel operations in pyrolysis oil gas, then Enter the electrical tar precipitator that two parallel connections operate simultaneously, complete to remove the tar work carried secretly in pyrolysis gas, then by coal gas Roots Pyrolysis gas is delivered to dry desulfurization operation, the gas-liquid separator separates pyrolysis oil got off and circulation pyrolysis water and is entered machine by aerator Tool oil-water separation tank, is circulated pyrolysis water, pyrolysis oil separating, i.e. isolated pyrolysis oil and sewage, and will divide at this It is stored in combustible gas storage tank from the pyrolysis gas obtained, and supplies to heat accumulation type radiant tube revolving bed as spoke through combustible gas storage tank Penetrate pipe combustion gas to use, the preheater of pyrolysis oil that Oil-gas Separation purifier is obtained supply to cement kiln synergetic unit, Dore furnace and rotary kiln use as fuel, are supplied by gained sewage in Oil-gas Separation purifier gained sewage and pretreatment unit Process to sewage-treatment plant.

Composition and the calorific value of pyrolytic carbon are as shown in table 2:

Table 2 pyrolytic carbon composition and calorific value

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or spy Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office One or more embodiments or example combine in an appropriate manner.Additionally, in the case of the most conflicting, the skill of this area The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel Close and combination.

Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned Embodiment is changed, revises, replaces and modification.

Claims (10)

1. the system processing house refuse, it is characterised in that including:
Pretreatment unit, described pretreatment unit has house refuse entrance, foul smell outlet, organic waste outlet, inorganic refuse Outlet and the first outlet of sewer;
Heat accumulation type radiant tube revolving bed, described heat accumulation type radiant tube revolving bed have the first combustible gas entrance, combustion air inlet, Quick lime entrance, organic waste entrance, pyrolysis oil gas vent and pyrolytic carbon outlet, described combustion air inlet goes out with described foul smell Mouth is connected, and described organic waste entrance is connected with the outlet of described organic waste;
Cement kiln synergetic unit, described cement kiln synergetic unit have feed(raw material)inlet, fuel inlet, waste gas outlet and Cement exit, described feed(raw material)inlet is connected with the outlet of described inorganic refuse, and described fuel inlet is connected with the outlet of described pyrolytic carbon.
System the most according to claim 1, it is characterised in that farther include:
Oil-gas Separation purifier, described Oil-gas Separation purifier has pyrolysis oil gas entrance, pyrolysis gas outlet, pyrolysis oil go out Mouth and the second outlet of sewer, described pyrolysis oil gas entrance is connected with described pyrolysis oil gas vent, and described pyrolysis oil exports with described Fuel inlet is connected;
Combustible gas storage tank, described combustible gas storage tank has the second combustible gas entrance and the outlet of the second combustible gas, described second flammable Gas entrance is connected with described pyrolysis gas outlet, and described second combustible gas outlet is connected with described first combustible gas entrance;
Sewage-treatment plant, described sewage-treatment plant have sewage inlet and treatment fluid outlet, described sewage inlet respectively with Described first outlet of sewer is connected with described second outlet of sewer.
System the most according to claim 1 and 2, it is characterised in that described pyrolytic carbon outlet place collaborative with described cement kiln Preheater, dore furnace on reason unit are connected with the fuel inlet at least one in rotary kiln.
4. according to the system according to any one of claim 1-3, it is characterised in that the outlet of described pyrolysis oil and described cement kiln Preheater, dore furnace in synergetic unit are connected with the fuel inlet at least one in rotary kiln.
5. according to the system according to any one of claim 1-4, it is characterised in that farther include:
TRT, described TRT has exhaust gas entrance and the outlet of boiler residual air, and described exhaust gas entrance goes out with described waste gas Mouth is connected, and the outlet of described boiler residual air is connected with the raw material grinding mill in described cement kiln synergetic unit.
6. use the method that the system of the process house refuse according to any one of Claims 1 to 5 processes house refuse, It is characterized in that, including:
(1) will house refuse supply to described pretreatment unit carries out pretreatment, in order to obtain foul smell, organic waste, inorganic Rubbish and the first sewage;
(2) by the supply of quick lime, described organic waste and described foul smell to described heat accumulation type radiant tube revolving bed, in order to described Organic waste carries out pyrolysis processing, obtains being pyrolyzed oil gas and pyrolytic carbon;
(3) described inorganic refuse and described pyrolytic carbon are supplied extremely described cement kiln synergetic unit and make described inorganic refuse Collaborative process is carried out, in order to obtain waste gas and cement with cement slurry.
Method the most according to claim 6, it is characterised in that farther include:
(4) supply of described pyrolysis oil gas is carried out isolation of purified process to described Oil-gas Separation purifier, in order to be pyrolyzed Air and heat solution oil and the second sewage, and the supply of described pyrolysis gas is used to described heat accumulation type radiant tube revolving bed as combustion gas, will The supply of described pyrolysis oil uses to described cement kiln synergetic unit as fuel;
(5) the described second sewage supply that described first sewage step (1) obtained and step (4) obtain fills to sewage disposal Put, in order to obtain treatment fluid.
8. according to the method described in claim 6 or 7, it is characterised in that described pyrolytic carbon step (2) obtained supplies to institute At least one stated in the preheater in cement kiln synergetic unit, dore furnace and rotary kiln uses as fuel.
9. according to the method according to any one of claim 6-8, it is characterised in that the described pyrolysis oil that step (4) is obtained At least one in preheater, dore furnace and rotary kiln in supply extremely described cement kiln synergetic unit makes as fuel With.
10. according to the method according to any one of claim 6-9, it is characterised in that farther include:
(6) described waste gas supply step (3) obtained carries out UTILIZATION OF VESIDUAL HEAT IN to described TRT, in order to obtain boiler residual Gas, and the supply of described boiler residual air is used to the raw material grinding mill in described cement kiln synergetic unit as dry medium.
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