CN207238730U - Reclaimer is burned in a kind of negative-pressure cyclic accumulation of heat that harmlessness disposing is carried out to high saliferous chemical engineering sludge - Google Patents

Abstract

The utility model belongs to Solid Waste Treatment technical field, reclaimer is burned more particularly to a kind of negative-pressure cyclic accumulation of heat that harmlessness disposing is carried out to high saliferous chemical engineering sludge, the incinerator of the equipment is composed in series by multiple mutually independent burning trolleys, it is simple in structure, maintenance and replacement are easy, equipment use cost is cheap, and the influence such as coking will not be produced on incinerator, burning effect is good, equipment life is grown, it can realize the harmlessness disposing of high saliferous chemical engineering sludge, recycle the salt in sludge, and high saliferous chemical engineering sludge can be overcome to melt under the high temperature conditions, ring formation, caking etc. causes incinerator the technical barrier of serious damage, improve burning effect, energy conservation and environmental protection.

Description

A kind of negative-pressure cyclic accumulation of heat that harmlessness disposing is carried out to high saliferous chemical engineering sludge is burned Reclaimer

Technical field

The utility model belongs to Solid Waste Treatment technical field, and in particular to a kind of to carry out nothing to high saliferous chemical engineering sludge Reclaimer is burned in the negative-pressure cyclic accumulation of heat of evilization disposal.

Background technology

High saliferous chemical engineering sludge refer to industrial processes produce containing organic matter, other poisonous and harmful substances and Moisture, and the sludge based on inorganic abraum salt, in the production process of many fine chemistry industries, chemical pesticide product or intermediate, Will be with the generation of a large amount of high saliferous chemical engineering sludges, 4~5 tons will be produced containing poisonous and harmful by such as often producing 1 ton of hydrazine hydrate The high saliferous chemical engineering sludge of by-product of chemical substance, often produces 1 ton of glyphosate pesticide, then produce 1.1~1.4 tons has containing poisonous The high saliferous chemical engineering sludge of by-product of evil chemical substance, with the development of many important fine chemistry industries and intermediate product, high saliferous The amount of chemical engineering sludge is also being continuously increased, and becomes the big bottleneck for hindering industry development.

High saliferous chemical engineering sludge is on the one hand because containing moisture, and easily caking, intractability are big；On the other hand again because having containing poisonous Evil chemical substance, it is impossible to used directly as the raw material of industry, therefore at present the processing mode of most of enterprise mainly have it is following several Kind：1. desalinization of soil by flooding or leaching method, by salt slag water or organic solvent washing, washes away the impurity in salt slag as far as possible, the salt after processing is used to join alkali Industry, but the method is only applicable to the by-product salt slag that impurity content is few and impurity composition is single, and the water or organic solvent of washing The problem of in the presence of secondary pollutions such as reprocessing, in addition, the impurity in by-product salt slag is difficult to clean, residual quantity is also unstable, it is difficult to Realize industrialization；2. high-temperature process method, by salt slag high-temperature process, the organic impurities for making to contain in salt slag resolves into gas at high temperature To achieve the purpose that to remove organic impurities, but the key of the method is the research and development of resolving device, and the current country has report to use back The Thermal Equipments such as rotary kiln, fluidized bed furnace carry out more than 800 DEG C high-temperature calcination processing, but there are in high saliferous chemical engineering sludge for the method Melting, ring formation, caking easily occur at high temperature for inorganic salts, cause equipment can not the engineering problem such as normal operation, it is difficult to realize work Industry；3. landfill or tipping, directly topple over the outdoor stockpiling of salt slag or into rivers, but the method is simple and crude, long-term stockpiling Salt slag do not only take up a large amount of soils, also to environment structure grave danger, and the soluble-salt of these high saliferous chemical engineering sludges and Such as with rain water runoff, the serious salinization surrounding soil of meeting, destroys surrounding vegetation, deteriorates water quality, contaminant water toxic and harmful substance Source, the life to people constitute a serious threat.

Therefore, harmless treatment is carried out to these high saliferous chemical engineering sludges and carries out recycling, become industry urgency The significant problem that need to be solved.

The content of the invention

In view of the foregoing drawbacks, the purpose of this utility model is to provide a kind of to high saliferous chemical engineering sludge progress harmlessness disposing Negative-pressure cyclic accumulation of heat burn reclaimer, the equipment can realize the harmlessness disposing of high saliferous chemical engineering sludge, and recycling is dirty Salt in mud, and high saliferous chemical engineering sludge can be overcome to melt under the high temperature conditions, ring formation, caking etc. cause incinerator seriously The technical barrier of breaking-up, improves burning effect, energy conservation and environmental protection.

To achieve the above object, the utility model provides following technical scheme：

A kind of negative-pressure cyclic accumulation of heat burning reclaimer that harmlessness disposing is carried out to high saliferous chemical engineering sludge, including including Hybrid system, car-type incineration system, exhausting system, smoke circulating system, salt recovery system, transmission system and gas cleaning system System, it is characterised in that：

The hybrid system includes multiple feed bins, weighing balance, mixed stirring device, the discharge port alignment metering of the feed bin The weighing plate of title, the weighing plate of the weighing balance is corresponding with the feed inlet of mixed stirring device, the discharge port of mixed stirring device Connect transmission system, lime, chaff shell and the biomass fuel in feed bin after weighing balance weighs, be sent into mixed stirring device with High saliferous chemical engineering sludge is mixed to obtain the mixture described in step 1, and communicated system is sent into car-type incineration system；

The car-type incineration system includes auger type distributor, preheating cover, track and the series connection platform moved in orbit Car, the track are divided into cloth section, preheating igniting section, incineration section and cooling section, the auger type distributor from front to back Interior to be equipped with material scattering device, the cloth section of respective carter is equipped with igniter in the preheating cover, it is described preheat to cover is equipped with exhaust gas Import and fuel nozzle, the preheating igniting section of respective carter, step 1 gained mixture is through auger type distributor cloth in series connection platform Che Shang, material loosening degree is suitable, and series connection trolley marches to preheating and covers corresponding preheating igniting section, is passed through through exhaust gas inlet useless Gas is to the material pre-heating temperature elevation on trolley, igniter fire, and firing temperature is 800 DEG C -900 DEG C, can either avoid mixture without The defects of method is lighted, and the excessive caused high energy consumption of temperature, mixture top layer can be avoided to melt the defects of influencing gas permeability；Institute The design that series connection trolley movement is burned is stated, high saliferous chemical engineering sludge can be overcome to melt under the high temperature conditions, ring formation, caking etc. pair The breaking-up of incinerator, high saliferous sludge burns independently of each other, on the trolley that is connected in series at more, and realizes trolley by track Incinerator is moved out, then trolley discharging is crushed, will not only produce breaking-up to incinerator, but also burning effect is more preferable；This Outside, trolley structure is simple, and it is easy that maintenance is replaced, equipment life length, and use cost is cheap；The incineration section top of the track and cigarette The gas circulatory system is tightly connected, and the preheating igniting section of the track, the lower section of incineration section and cooling section and exhausting system sealing connect Connect；

The exhausting system includes multiple pumpings with sealed connection below the preheating igniting section of track, incineration section and cooling section Fan housing, each draught hood connects a set of air draft pipeline being made of exhaust column and exhaust fan, between the exhaust column and exhaust fan Equipped with steam-water separator, the water outlet end of the steam-water separator is connected with salt recovery system, and steam-water separator will be burned and produced Flue gas and condensed water separated, the condensed water isolated through water outlet end enter salt recovery system in reuses, separate The flue gas gone out enters smoke circulating system through exhaust fan, with the tail end and cigarette of the air draft pipeline connected below track preheating igniting section Gas cleaning system connects, and air will be discharged into after the waste gas purification of second-time burning is up to standard in preheating is covered, with track incineration section lower section The tail end of the air draft pipeline of connection is connected with next stage smoke circulating system, and the material in next stage smoke circulating system is carried out Preheating and drying, makes full use of the thermal energy in exhaust gas, reduces energy consumption, with the afterbody air draft pipeline connected below track incineration section Outlet connected with exhaust gas inlet, preheating not only was dried to the material in preheating cover, but also by exhaust gas progress second-time burning depth Processing, connects with the air draft pipeline connected below track cooling section with sinter machine discharge end dedusting device；

The smoke circulating system includes multiple flue gas covers being connected with the incineration section upper seal of track, each flue gas Exhaust gas entrance is equipped with cover and fresh air matches somebody with somebody entrance, the exhaust gas entrance of the flue gas cover connects with the tail end of upper level air draft pipeline Logical, the flue gas that the harmful substance in mixed material is decomposed to form in high temperature incineration, enters air draft pipeline through draught hood, send under Level-one flue gas cover, completes drying and preheating to back segment mixed material；

The salt recovery system includes ball-milling device, leaches wash mill, pH adjustings tank, MVR devices（Also known as steam engine Tool recompresses device）And equipment for separating liquid from solid, the water spray that the ball-milling device is connected by ball mill, entrance with ball mill outlet Dust collecting box and some waste residue feed bins composition, the entrance of the waste residue feed bin and the outlet of water spray dust collecting box, the waste residue The outlet of feed bin is connected with leaching wash mill, and car-type incineration system burns the residue produced and is crushed to particle diameter not through ball mill More than 100 mesh, the salt being wrapped in residue can be fully exposed, improves and leaches washing effect, removed into water spray dust collecting box Stored after dirt processing to waste residue feed bin；The wash mill that leaches includes what multistage was made of agitator tank, filter press and transfer tank Leach wash, every grade leach wash in, agitator tank outlet connected with filter press entrance, the solid outlet of filter press and Next stage leaches the agitator tank material inlet connection of wash, and the liquid outlet of filter press is connected with transfer tank entrance, and first Level leaches the outlet of the transfer tank of wash and pH adjusts tank and connects, the outlet of other transfer tanks at different levels for leaching wash The agitator tank leaching solvent entrance that wash is leached with upper level connects, and the first order leaches the disengaging of the agitator tank of wash The water outlet end outlet with the steam-water separator of exhausting system and next stage leach wash transfer tank at the same time for colvent inlet Outlet, the pH, which is adjusted, is equipped with pH meter and pH agent addition box in tank, adjusting pH adjusts the liquid pH to 7-8 in tank；It is described MVR devices include heater, crystallizer, separator, vapour compression machine and suspension thickener, and the heater connects with crystallizer Connect, provide hot steam heat supply for crystallizer, the top of the crystallizer is connected by separator with vapour compression machine, the crystallization The lower part of device is connected with suspension thickener, and the outlet of the vapour compression machine is connected with heater, and pH adjusts the liquid pump in tank In the crystallizer for entering MVR devices, in the case where heater supplies heat effect, liquid moisture is constantly evaporated to vapor, the vapor warp Cross separator and enter vapour compression machine, under vapour compression machine compression, improve the pressure and temperature of the vapor, again Heat source is used as in into heater, the thermal energy of the vapor can not only be recycled, moreover it is possible to omit the cold of the vapor Solidifying process and equipment, separate out salt after liquid evaporation concentration in crystallizer and obtain solidliquid mixture, the solidliquid mixture is pumped into outstanding Liquid thickener；The equipment for separating liquid from solid includes centrifuge, salt recycling can and mother liquor tank, and the entrance and suspension of the centrifuge are thick Outlet connection in thick device, the solid outlet of the centrifuge connects with salt recycling can, the liquid outlet of the centrifuge and Mother liquor tank connects, and the mother liquor tank is pumped by Valve controlling and connected with leaching wash mill and MVR devices, under centrifuge effect Separation of solid and liquid is completed, separated solid enters salt recycling can, can be used in deicing salt etc., and purity is high, poisons side effect without environment, Separated liquid enters mother liquor tank and carries out purity detecting, the blowback leaching wash mill if impurity content is unqualified, if impurity contains Amount qualification then in blowback MVR devices, can either reuse remaining salt in mother liquor tank, realize zero-emission, and be able to ensure that back Receive the purity of salt；

The air outlet pipe of the smoke eliminator is connected to chimney by exhaust fan, will purify exhaust gas up to standard and discharges.

According to equipment described in the utility model, the leaching wash mill include the first agitator tank, the first filter press, First transfer tank, the second agitator tank, the second filter press, the second transfer tank, the 3rd agitator tank, the 3rd filter press and the 3rd transfer Tank, the material inlet of first agitator tank are connected with waste residue bin outlet, the leaching solvent entrance of first agitator tank with The water outlet end outlet connection of the steam-water separator of exhausting system, realizes the recycling for burning the condensed water produced, described the The outlet of one agitator tank is connected with the first filter press, the solid outlet of first filter press and the material inlet of the second agitator tank Connection, the liquid outlet of first filter press are connected with the entrance of the first transfer tank, the outlet of the first transfer tank and pH Tank connection is adjusted, the liquid salt content that the first filter press filters out is high, about 15%-20%, can significantly reduce follow-up MVR devices and steam The energy consumption of hair concentration filtrate, improves the efficiency and benefit of salt recycling；The outlet of second agitator tank is connected with the second filter press, The solid outlet of second filter press is connected with the entrance of the 3rd agitator tank, the liquid outlet and second of second filter press The entrance connection of transfer tank, the outlet of the second transfer tank are connected with the leaching solvent entrance of the first agitator tank, the second transfer Pot liquid flows back to the first agitator tank as residue leaching solvent, can either further recycle remaining salinity in incineration residue, The recycling of recycling water can be realized again, it is economic and environment-friendly；The outlet of 3rd agitator tank is connected with the 3rd filter press, institute State the solid outlet of the 3rd filter press and filter residue is stacked pond and is connected, the filter residue moisture content through three-level countercurrent washing is less than 30%, and salt contains Amount is less than 0.5%, and nonhazardous material, can be directly used as brick or light wall board material, economic and environment-friendly, the 3rd filter press Liquid outlet is connected with the 3rd transfer tank, and the outlet of the 3rd transfer tank is connected with the leaching solvent entrance of the second agitator tank, Similarly, the 3rd transfer pot liquid flows back to the second agitator tank as residue leaching solvent, and it is residual can either further to recycle burning Remaining salinity in slag, and can realize the recycling of recycling water, it is economic and environment-friendly.

According to equipment described in the utility model, the fresh air of the flue gas device is adjusted with entrance equipped with blast pipe Valve, by controlling its aperture to control the amount of allocating of fresh air.

The equipment of the utility model, can in high saliferous sludge harmful substance carry out burning disposal while, one The characteristics of aspect is burned using trolley movement of connecting, overcomes high saliferous chemical engineering sludge to melt under the high temperature conditions, ring formation, caking etc. Breaking-up to incinerator, improves burning effect；On the other hand the characteristics of being preheated using incinerator when burning, realizes thermal energy weight Multiple to utilize, specific advantage is as follows：

1st, reclaimer is burned using negative-pressure cyclic accumulation of heat, incinerator is by multiple mutually independent burning trolley series connection Composition, it is portable, and material is static, high saliferous sludge can be melted on trolley under the high temperature conditions, after discharging crushes Collect, will not produce coking etc. to incinerator influences, so as to influence the effect of burning and the service life of equipment and using function；

2nd, the burning trolley structure used is simple, and maintenance and replacement are easy, and equipment use cost is cheap；

3rd, since high saliferous sludge calorific value is extremely low, and containing endangering serious a small amount of organic substance, when burning, must add Substantial amounts of auxiliary fuel, energy consumption is big, burns recovery technology using the negative-pressure cyclic accumulation of heat of the utility model, efficiently uses upper layer substance Material, which burns the high-temperature steam produced, is dried and is preheated to lower part material, is improved burning disposal and is obtained special efficacy rate, reduces energy consumption；

4th, the flue gas produced is burned on the one hand by extractor fan and flue gas device recycling heat energy, on the one hand in exhausting Run in the sealing pipeline of device and flue gas device, smoke eliminator is finally entered after dual firing chamber's advanced treating, is not produced Secondary pollution, can realize cleanly production；

5th, smoke multistage circulation secondary combustion technology is employed, the harmful components in gas are effectively addressed, and fire at the same time The oxygen content of exhaust gas is utilized effectively during burning, therefore new intake is greatly decreased, and then a large amount of reduction flue gas emissions are total Amount, more than 60% can be reduced compared with generally burning mode flue gas emission total amount；

6th, the water of discharge, gas, slag are up to state standards.

Brief description of the drawings

Fig. 1 is the structure diagram that reclaimer is burned in the accumulation of heat of the utility model negative-pressure cyclic；

Fig. 2 is the structure diagram that reclaimer hybrid system is burned in the accumulation of heat of the utility model negative-pressure cyclic；

Fig. 3 is that the accumulation of heat of the utility model negative-pressure cyclic is burned reclaimer car-type incineration system, exhausting system, flue gas and followed The structure diagram of loop system, salt recovery system and flue gas purification system；

Fig. 4 is the structural representation that reclaimer salt recovery system salt recovery system is burned in the accumulation of heat of the utility model negative-pressure cyclic Figure, wherein ball-milling device, leaching wash mill and pH, which adjust tank, structure for amplifying；

Fig. 5 is that the structure of the utility model negative-pressure cyclic accumulation of heat burning reclaimer salt recovery system salt recovery system is shown It is intended to, wherein MVR devices and equipment for separating liquid from solid are by structure for amplifying；

In figure,

1- hybrid systems, 11- feed bins, 12- weighing balances, 13- mixed stirring devices；

2- car-type incineration system, 20- auger type distributors, 21- preheating covers, 22- tracks, 23- series connection trolleys, 24- things Expect dispersing device, 25- igniters, 26- exhaust gas inlets, 27- fuel nozzles；

3- exhausting systems, 31- draught hoods, 32- exhaust columns, 33- exhaust fans, 34- steam-water separators；

4- smoke circulating systems, 41- flue gas covers, 42- exhaust gas entrances, 43- fresh airs match somebody with somebody entrance；

5- salt recovery systems, 51- ball-milling devices, 511- ball mills, 512- water spray dust collecting boxes, 513- waste residue feed bins, 52- Leach wash mill, the first agitator tanks of 521-, the first filter presses of 522-, 523- the first transfer tanks, the second agitator tanks of 524-, 525- Second filter press, 526- the second transfer tanks, the 3rd agitator tanks of 527-, the 3rd filter presses of 528-, the 3rd transfer tanks of 529-, 53-pH Adjusting tank, 54-MVR devices, 541- heaters, 542- crystallizers, 543- separators, 544- vapour compression machines, 545- suspensions are thick Thick device, 55- equipment for separating liquid from solid, 551- centrifuges, 552- salt recycling cans, 553- mother liquor tanks；

6- transmission systems；

7- flue gas purification systems.

Embodiment

As shown in Figs. 1-5, reclaimer is burned in the negative-pressure cyclic accumulation of heat of the utility model includes hybrid system 1, car-type Incineration system 2, exhausting system 3, smoke circulating system 4, salt recovery system 5, transmission system 6 and flue gas purification system 7, it is described mixed Syzygy system 1 includes multiple feed bins 11, weighing balance 12, mixed stirring device 13, the discharge port alignment weighing balance 12 of the feed bin 11 Weighing plate, the weighing plate of the weighing balance 12 is corresponding with the feed inlet of mixed stirring device 13, and mixed stirring device 13 goes out Material mouth connects transmission system 6, and lime, chaff shell and the biomass fuel in feed bin 11 are sent into mixing and are stirred after the weighing of weighing balance 12 Mix in device 13 and high saliferous chemical engineering sludge is mixed to obtain the mixture described in step 1, communicated system 6 is sent into car-type In incineration system 2；

The car-type incineration system 2 includes auger type distributor 20, preheating cover 21, track 22 and is moved on track 22 Series connection trolley 23, the track 22 is divided into cloth section, preheating igniting section, incineration section and cooling section from front to back, described Material scattering device 24 is equipped with auger type distributor 20, the cloth section of respective carter 22, the preheating cover 21 is interior to be equipped with igniter 25, the preheating cover 21 is equipped with exhaust gas inlet 26 and fuel nozzle 27, the preheating igniting section of respective carter 22, step 1 gained For mixture through 20 cloth of auger type distributor on series connection trolley 23, material loosening degree is suitable, and series connection trolley 23 marches to pre- Heat 21 corresponding preheating igniting sections of cover, through the exhaust gas that exhaust gas inlet 26 is passed through to the material pre-heating temperature elevation on trolley, igniter 25 The defects of igniting, firing temperature is 800 DEG C -900 DEG C, mixture can either be avoided not light, and temperature can be avoided excessive The defects of caused high energy consumption, the melting of mixture top layer influence gas permeability；The design that series connection trolley 23 movement is burned, can High saliferous chemical engineering sludge is overcome to melt under the high temperature conditions, the breaking-up to incinerator such as ring formation, caking, high saliferous sludge is in Duo Tai Independently of each other, burned on the trolley being connected in series, and realize that trolley moves out incinerator by track 22, then to trolley discharging It is broken, will not only breaking-up be produced to incinerator, but also burning effect is more preferable；In addition, trolley structure is simple, maintenance, which is replaced, to be held Easily, equipment life is grown, and use cost is cheap；It is tightly connected above the incineration section of the track 22 with smoke circulating system 4, it is described The preheating igniting section of track 22, the lower section of incineration section and cooling section and exhausting system 3 are tightly connected；

The exhausting system 3 includes multiple with being tightly connected below the preheating igniting section of track 22, incineration section and cooling section Draught hood 31, each draught hood 31 connects a set of air draft pipeline being made of exhaust column 32 and exhaust fan 33, the exhaust column Steam-water separator 34 is equipped between 32 and exhaust fan 33, the water outlet end of the steam-water separator 34 is connected with salt recovery system 5, Steam-water separator 34 will burn the flue gas produced and condensed water is separated, and the condensed water isolated is returned through water outlet end into salt Reused in receipts system 5, the flue gas isolated enters smoke circulating system 4 through exhaust fan 33, with 22 preheating igniting section of track The tail end of the air draft pipeline of lower section connection is connected with flue gas purification system 7, by the waste gas purification of the second-time burning in preheating cover 21 Air is discharged into after up to standard, the tail end of the air draft pipeline with being connected below 22 incineration section of track connects with next stage smoke circulating system 4 It is logical, preheating and drying is carried out to the material in next stage smoke circulating system 4, makes full use of the thermal energy in exhaust gas, reduces energy consumption, with The outlet of the afterbody air draft pipeline of connection is connected with exhaust gas inlet 26 below 22 incineration section of track, both in preheating cover 21 Preheating is dried in material, and exhaust gas is carried out second-time burning advanced treating, with the exhaust column connected below 22 cooling section of track Road is connected with sinter machine discharge end dedusting device；

The smoke circulating system 4 includes multiple flue gas covers 41 being connected with the incineration section upper seal of track 22, often Exhaust gas entrance 42 is equipped with a flue gas cover 41 and fresh air matches somebody with somebody entrance 43, exhaust gas entrance 42 and the upper level of the flue gas cover 41 are taken out The tail end connection of air pipe line, the flue gas that the harmful substance in mixed material is decomposed to form in high temperature incineration, through draught hood 31 into Enter air draft pipeline, send the drying and preheating to next stage flue gas cover 41, completed to back segment mixed material；

The salt recovery system 5 includes ball-milling device 51, leaches wash mill 52, pH adjustings tank 53,54 and of MVR devices Equipment for separating liquid from solid 55, the ball-milling device 51 are gathered dust by the water spray of 511 outlet of ball mill 511, entrance and ball mill Case 512 and some waste residue feed bins 513 form, the entrance of the waste residue feed bin 513 and the outlet of water spray dust collecting box 512, The outlet of the waste residue feed bin 513 is connected with leaching wash mill 52, and car-type incineration system 2 burns the residue produced through ball milling Machine 511 is crushed to particle diameter and is no more than 100 mesh, can fully expose the salt being wrapped in residue, improves and leaches washing effect, enters Stored in water spray dust collecting box 512 after dust removal process to waste residue feed bin 513；The leaching wash mill 52 includes the first agitator tank 521st, the first filter press 522, the first transfer tank 523, the second agitator tank 524, the second filter press 525, the second transfer tank 526, Three agitator tanks 527, the 3rd filter press 528 and the 3rd transfer tank 529, the material inlet and waste residue material of first agitator tank 521 The outlet of storehouse 513 connection, the leaching solvent entrance of first agitator tank 521 and the water of the steam-water separator 34 of exhausting system 3 go out Mouth brings out mouth connection, realizes the recycling for burning the condensed water produced, outlet and the first press filtration of first agitator tank 521 Machine 522 connects, and the solid outlet of first filter press 522 is connected with the material inlet of the second agitator tank 524, first pressure The liquid outlet of filter 522 is connected with the entrance of the first transfer tank 523, and outlet and the pH of the first transfer tank 523 adjust tank 53 connections, the liquid salt content that the first filter press filters out is high, about 15%-20%, can significantly reduce follow-up MVR devices 54 and evaporate The energy consumption of filtrate is concentrated, improves the efficiency and benefit of salt recycling；The outlet of second agitator tank 524 and the second filter press 525 Connection, the solid outlet of second filter press 525 are connected with the entrance of the 3rd agitator tank 527, second filter press 525 Liquid outlet is connected with the entrance of the second transfer tank 526, the outlet and the leaching of the first agitator tank 521 of the second transfer tank 526 Go out colvent inlet connection, liquid flows back to the first agitator tank 521 and is used as residue leaching solvent in the second transfer tank 526, can either be into Remaining salinity in one step recycling incineration residue, and can realize the recycling of recycling water, it is economic and environment-friendly；Described 3rd stirs The outlet for mixing tank 527 is connected with the 3rd filter press 528, and solid outlet and the filter residue of the 3rd filter press 528 are stacked pond and be connected, Filter residue moisture content through three-level countercurrent washing be less than 30%, salt content be less than 0.5%, nonhazardous material, can be directly used as brick or Light wall board material, economic and environment-friendly, the liquid outlet of the 3rd filter press 528 is connected with the 3rd transfer tank 529, and the described 3rd The outlet of transfer tank 529 is connected with the leaching solvent entrance of the second agitator tank 524, similarly, liquid flow in the 3rd transfer tank 526 Return the second agitator tank 521 and be used as residue leaching solvent, can either further recycle remaining salinity in incineration residue, and can be real The now recycling of recycling water, it is economic and environment-friendly；The pH, which is adjusted, is equipped with pH meter and pH agent addition box in tank 53, adjust pH and adjust Liquid pH to 7-8 in tank 53；The MVR devices 54 include heater 541, crystallizer 542, separator 543, vapour compression machine 544 and suspension thickener 545, the heater 541 be connected with crystallizer 542, for crystallizer 542 provide hot steam heat supply, institute The top for stating crystallizer 542 is connected by separator 543 with vapour compression machine 544, and the lower part of the crystallizer 542 and suspension are thick Thick device 545 connects, and the outlet of the vapour compression machine 544 is connected with heater 541, and the liquid that pH is adjusted in tank 53 is pumped into MVR In the crystallizer 542 of device 54, in the case where heater 541 is for heat effect, liquid moisture is constantly evaporated to vapor, the vapor Enter vapour compression machine 544 by separator 543, under 544 compression of vapour compression machine, improve the pressure of the vapor And temperature, it is again introduced into heater 541 and is used as heat source, the thermal energy of the vapor can not only be recycled, moreover it is possible to omit The condensation procedure and equipment of the vapor, separate out salt after liquid evaporation concentration in crystallizer 542 and obtain solidliquid mixture, described Solidliquid mixture is pumped into suspension thickener 545；The equipment for separating liquid from solid 55 includes centrifuge 551, salt recycling can 552 and mother liquor Tank 553, the entrance of the centrifuge are connected with the outlet of suspension thickener 545, and solid outlet and the salt of the centrifuge 551 return Closed cans 552 connects, and the liquid outlet of the centrifuge 551 is connected with mother liquor tank 553, and the mother liquor tank 553 passes through valve control System pump is connected with leaching wash mill 52 and MVR devices 54, and separation of solid and liquid, separated solid are completed under the effect of centrifuge 551 Into salt recycling can 552, it can be used in deicing salt etc., purity is high, poisons side effect without environment, and separated liquid enters mother liquor tank 547 carry out purity detecting, the blowback leaching wash mill 52 if impurity content is unqualified, if impurity content qualification blowback MVR In device 54, remaining salt in mother liquor tank 553 can either be reused, realizes zero-emission, and be able to ensure that the purity of recycling salt；

The air outlet pipe of the flue gas purification system 7 is connected to chimney by exhaust fan, will purify exhaust gas up to standard and discharges.

Claims (10)

1. reclaimer, including mixed stocker are burned in a kind of negative-pressure cyclic accumulation of heat that harmlessness disposing is carried out to high saliferous chemical engineering sludge System（1）, car-type incineration system（2）, exhausting system（3）, smoke circulating system（4）, salt recovery system（5）, transmission system（6） And flue gas purification system（7）, it is characterised in that：

The hybrid system（1）Including multiple feed bins（11）, weighing balance（12）, mixed stirring device（13）, the feed bin（11） Discharge port alignment weighing balance（12）Weighing plate, the weighing balance（12）Weighing plate and mixed stirring device（13）Charging Mouth is corresponding, the mixed stirring device（13）Discharge port connection transmission system（6）, feed bin（11）Interior lime, chaff shell and life Biomass fuel is through weighing balance（12）After weighing, mixed stirring device is sent into（13）It is interior to be mixed to obtain with high saliferous chemical engineering sludge Mixture, communicated system（6）It is sent into car-type incineration system（2）In；

The car-type incineration system（2）Including distributing device（20）, preheating cover（21）, track（22）With in track（22）Upper movement Series connection trolley（23）, the track（22）Cloth section, preheating igniting section, incineration section and cooling section are divided into from front to back, The distributing device（20）Respective carter（22）Cloth section, it is described preheating cover（21）It is interior to be equipped with igniter（25）, the preheating cover （21）It is equipped with exhaust gas inlet（26）And fuel nozzle（27）, respective carter（22）Preheating igniting section, the track（22）'s Incineration section top and smoke circulating system（4）It is tightly connected, the track（22）Preheating igniting section, incineration section and cooling section Lower section and exhausting system（3）It is tightly connected；

The exhausting system（3）Including multiple and track（22）Preheating igniting section, be tightly connected below incineration section and cooling section Draught hood（31）, each draught hood（31）Connect a set of by exhaust column（32）And exhaust fan（33）The air draft pipeline of composition, institute State exhaust column（32）And exhaust fan（33）Between be equipped with steam-water separator（34）, the steam-water separator（34）Water outlet end with Salt recovery system（5）Connection；

The salt recovery system（5）Include the ball-milling device of the connection of pipeline successively（51）, leach wash mill（52）, pH adjust Tank（53）, MVR devices（54）And equipment for separating liquid from solid（55）;

The smoke circulating system（4）Including multiple and track（22）Incineration section upper seal connection flue gas cover（41）, often A flue gas cover（41）On be equipped with exhaust gas entrance（42）Match somebody with somebody entrance with fresh air（43）, the flue gas cover（41）Exhaust gas entrance（42） Connected with the tail end of upper level air draft pipeline；

The flue gas purification system（7）Air outlet pipe be connected to chimney by exhaust fan, exhaust gas discharge up to standard will be purified.

2. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 1, it is characterised in that：The ball-milling device（51）By Ball mill（511）, entrance and ball mill（511）The water spray dust collecting box of outlet（512）With some waste residue feed bins（513）Group Into the waste residue feed bin（513）Entrance and water spray dust collecting box（512）Outlet, the waste residue feed bin（513）Go out Mouth is with leaching wash mill（52）Connection, into water spray dust collecting box（512）Stored after middle dust removal process to waste residue feed bin （513）.

3. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 1, it is characterised in that：The leaching wash mill （52）The leaching wash being made of including multistage agitator tank, filter press and transfer tank, every grade is leached in wash, stirring Tank outlet is connected with filter press entrance, and solid outlet and the next stage of filter press leach the agitator tank material inlet company of wash Logical, the liquid outlet of filter press is connected with transfer tank entrance, and the first order leaches the outlet of the transfer tank of wash and pH is adjusted Tank（53）Connection, outlet and the upper level of other transfer tanks at different levels for leaching wash leach the agitator tank leaching of wash Colvent inlet connects, and the first order leaches the disengaging colvent inlet of the agitator tank of wash while and exhausting system（3）Carbonated drink Separator（34）Water outlet end outlet and next stage leach wash transfer tank outlet.

4. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 3, it is characterised in that：The leaching wash mill （52）Including the first agitator tank（521）, the first filter press（522）, the first transfer tank（523）, the second agitator tank（524）, second Filter press（525）, the second transfer tank（526）, the 3rd agitator tank（527）, the 3rd filter press（528）With the 3rd transfer tank（529）, First agitator tank（521）Material inlet and waste residue feed bin（513）Outlet connection, first agitator tank（521）Leaching Go out colvent inlet and exhausting system（3）Steam-water separator（34）Water outlet end outlet connection, first agitator tank（521） Outlet and the first filter press（522）Connection, first filter press（522）Solid outlet and the second agitator tank（524）'s Material inlet connects, first filter press（522）Liquid outlet and the first transfer tank（523）Entrance connection, described the One transfer tank（523）Outlet and pH adjust tank（53）Connection, second agitator tank（524）Outlet and the second filter press （525）Connection, second filter press（525）Solid outlet and the 3rd agitator tank（527）Entrance connection, it is described second pressure Filter（525）Liquid outlet and the second transfer tank（526）Entrance connection, the second transfer tank（526）Outlet and the The leaching solvent entrance connection of one agitator tank (521), the 3rd agitator tank（527）Outlet and the 3rd filter press（528）Even Connect, the 3rd filter press（528）Solid outlet and filter residue stack pond and be connected, the 3rd filter press（528）Liquid discharge Mouth and the 3rd transfer tank（529）Connection, the 3rd transfer tank（529）Outlet and the second agitator tank（524）Leaching solvent Entrance connects.

5. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 1, it is characterised in that：The pH adjusts tank（53）It is interior Equipped with pH meter and pH agent addition box, adjust pH and adjust tank（53）Interior liquid pH to 7-8.

6. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 1, it is characterised in that：The MVR devices（54）Bag Include heater（541）, crystallizer（542）, separator（543）, vapour compression machine（544）With suspension thickener（545）, it is described to add Hot device（541）With crystallizer（542）Connection, is crystallizer（542）Hot steam heat supply, the crystallizer are provided（542）Top Pass through separator（543）With vapour compression machine（544）Connection, the crystallizer（542）Lower part and suspension thickener（545）Even It is logical, the vapour compression machine（544）Outlet and heater（541）Connection.

7. reclaimer is burned in negative-pressure cyclic accumulation of heat as claimed in claim 1, it is characterised in that：The equipment for separating liquid from solid （55）Including centrifuge（551）, salt recycling can（552）And mother liquor tank（553）, entrance and the suspension thickener of the centrifuge （545）Outlet connection, the centrifuge（551）Solid outlet and salt recycling can（552）Connection, the centrifuge（551） Liquid outlet and mother liquor tank（553）Connection, the mother liquor tank（553）Pumped by Valve controlling with leaching wash mill（52）With MVR devices（54）Connection.

8. reclaimer is burned in any one of them negative-pressure cyclic accumulation of heat such as claim 1-7, it is characterised in that：The cigarette The gas circulatory system（4）Fresh air be equipped with blast pipe regulating valve with entrance, by control its aperture control fresh air amount of allocating.

9. reclaimer is burned in any one of them negative-pressure cyclic accumulation of heat such as claim 1-7, it is characterised in that：With track （22）The tail end and flue gas purification system of the air draft pipeline of connection below preheating igniting section（7）Connection, with track（22）Incineration section The tail end and next stage smoke circulating system of the air draft pipeline of lower section connection（4）Connection, with track（22）Connection below incineration section Afterbody air draft pipeline outlet and exhaust gas inlet（26）Connection, with track（22）The air draft pipeline of connection below cooling section Connected with sinter machine discharge end dedusting device.

10. reclaimer is burned in any one of them negative-pressure cyclic accumulation of heat such as claim 1-7, it is characterised in that：The cloth Glassware（20）It is interior to be equipped with material scattering device for auger type distributor（24）, respective carter（22）Cloth section.