CN103894413A - Soil remediation upgrading equipment - Google Patents
Soil remediation upgrading equipment Download PDFInfo
- Publication number
- CN103894413A CN103894413A CN201410116607.6A CN201410116607A CN103894413A CN 103894413 A CN103894413 A CN 103894413A CN 201410116607 A CN201410116607 A CN 201410116607A CN 103894413 A CN103894413 A CN 103894413A
- Authority
- CN
- China
- Prior art keywords
- pyrolysis
- gasification
- circulation
- entrance
- distribution plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses soil remediation upgrading equipment. The soil remediation upgrading equipment comprises a thermal analysis device, a double-cyclone separation material returning device, a pyrolysis device, a gasification device, a pyrolysis gas combustion device, an incineration device and an oil-water-gas circulation device. According to the equipment, by coupling the thermal analysis remediation process of soil to the pyrolysis, gasification, thermal analysis gas incineration and pyrolysis gas combustion processes of biomass straws, the functional integrity of global equipment is fully embodied, mutual matching between supplies and demands of products and energy in each process is realized, and the whole device is energy-saving and emission-reducing; moreover, due to the structure compactness of key equipment, the cyclic utilization of the products and the gradient utilization of the energy in the soil remediation upgrading process are realized. The soil remediation upgrading equipment has the advantages of energy conservation, no pollution, compact equipment structure and the like.
Description
Technical field
The invention belongs to soil pollution and administer technical field, relate to particularly a kind of soil remediation upgrading device.
Background technology
Soil is the organic component of ecological environment equipment, is the most important and the most basic comprehensive natural resources of human survival and development.But, along with the industrialized fast development of China, the unreasonable exploitation of mineral resources and smelt discharge, for a long time to reasons such as using of soil carries out sewage irrigation and mud is used, human activity causes atmospheric sedimentation, chemical fertilizer and agricultural chemicals, caused soil pollution serious.At present, China is one of the most serious country of soil pollution in the world.The data demonstration of announcing for 2006 according to Chinese Ministry of Environmental Protection, approximately 1.5 hundred million mu, the contaminated arable land of China, accounts for 8.3% of 1,800,000,000 mu of arable lands.How to protect China soil, rehabilitating soil pollutes, and sets up eucyclic ecological equipment, realizes the harmony of economy, environment, social benefit, has become current major issue urgently to be resolved hurrily.
Soil remediation refers to utilizes physics, chemistry and biological method shift, absorb, degrade and transform the pollutant in soil, makes its concentration be reduced to acceptable level, or poisonous and hazardous pollutant is converted into harmless material.Conventional soil remediation technology has thermodynamics reparation, pyrolysis to analyse reparation, burning method reparation, land fill reparation, the reparation of chemical leaching method, composting process reparation, phytoremediation, permeable reactive wall reparation, biological restoration etc.Wherein, pyrolysis is analysed recovery technique and is referred to the direct or indirect heat exchange mode of employing, organic pollution is heated to sufficiently high temperature, the process that makes its evaporation and separate from contaminated medium, have technological principle simple, process the advantages such as rapid, be widely used in processing soil and the plot of volatility and half volatile organic contaminant.
But, the Soil Thermal adopting is at present resolved recovery technique and is remained in weak point, as patent of invention CN101712042A discloses a kind of direct heat analyzing device, this equipment is by once heating and post bake are separated organic matter and process from contaminated soil, obviously, this invention needs once providing special fuel with post bake part in specific implementation process, especially at the post bake afterburner that produces hot environment, this raising for equipment economy is very disadvantageous, and the pollutant of transfer is not purified processing completely.Patent of invention CN101947543A provides a kind of device that utilizes the clean vent gas treatment volatile organic pollution soil in power plant, this device adopts the nontoxic steam of power plant after the cleaning such as desulphurization and denitration and dedusting as air supply source, utilize its high temperature, the pyrolysis of high humidity feature reinforces to analyse the volatile organic contaminant in soil, but volatile organic contaminant resolve after with fume emission to atmosphere, can cause secondary pollution, this administers and loses more than gain for soil pollution.Patent CN102527705A has invented a kind of soil remediation method, the method is delivered to heating in rotary kiln by soil to be repaired and is resolved, use after by crusher in crushing through the soil of roasting, waste gas drains into atmosphere after by demercuration, burning and dedusting, although having carried out polluting controlling to tail gas, the method processes, but in processing procedure, need to consume additional energy, and the kiln temperature of 450～800 DEG C also greatly destroys the fertility of soil.
In sum, the Soil Thermal adopting at present resolve restorative procedure ubiquity need to consume amount of heat, repair after soil fertility decline, have secondary pollution problems, in the urgent need to developing the soil remediation method of a kind of economy, efficient, non-secondary pollution.
Summary of the invention
Goal of the invention: the present invention is directed in conventional Soil Thermal parsing repair process and need to consume amount of heat, soil after reparation causes fertility to decline because pH value reduces, the pyrolysis gassing body producing easily causes secondary pollution problems because containing contaminative organic substance, and a kind of soil remediation upgrading device is provided.
Technical scheme: for solving the problems of the technologies described above, the invention provides a kind of soil remediation upgrading device, comprising:
Thermal analysis apparatus, carries out hot dissection process for the soil to be repaired and produces the soil after pyrolysis gassing body and purification;
Cyclone separates material-returning device, is connected, for separating of the pyrolysis gassing body from thermal analysis apparatus and the soil carrying after the purification of heat with described thermal analysis apparatus;
Pyrolysis installation, separates material-returning device and is connected with described cyclone, for biomass straw is carried out to pyrolytic reaction, biomass straw pyrolysis Heat of Formation is vented one's spleen and biological carbon;
Gasification installation, for gasifying biomass straw for gasification gas and active carbon;
Pyrolysis gas burner, is connected with described pyrolysis installation, for burning from the pyrolysis gas of pyrolysis installation;
Incinerator, is connected with described gasification installation, for burning the gasification gas of self-gasifying device;
With oil-water-gas EGR, comprise oil circulating pump, feed pump, high temperature circulation blower fan and air compressor machine, for the oil-water-gas circulation of whole soil remediation device for improving quality.
Wherein, described thermal analysis apparatus is single channel ICFB thermal analysis apparatus, comprise that charging aperture, circulated air chamber inlet, circulation air compartment, pyrolysis analyse air compartment entrance, pyrolysis and analyse air compartment, resolution gas outlet, pyrolysis and analyse air distribution plate, circulation air distribution plate, jet pipe, interior cycle partition, pyrolysis and analyse main bed, peripheral passage and folding cigarette separating plate, wherein, charging aperture is positioned at pyrolysis and analyses a side of main bed; Circulated air chamber inlet is positioned at the below of circulation air compartment and communicates with circulation air compartment; Pyrolysis is analysed air compartment entrance and is positioned at pyrolysis and analyses the below of air compartment and analyse air compartment with pyrolysis and communicate; Resolution gas outlet is positioned at the top of folding cigarette separating plate; The top of air compartment is analysed air distribution plate and is positioned at pyrolysis and analyses in pyrolysis, is horizontally disposed, and percent opening is 5～8%; Circulation air distribution plate is positioned at circulation air compartment top oblique lower setting, 50～60 ° of angles of sidewall with thermal analysis apparatus, on circulation air distribution plate, be provided with multiple horizontally disposed jet pipes, described jet pipe one end is connected with circulation air distribution plate, the other end points to pyrolysis and analyses main bed, and multiple jet pipes ensure that air distribution plate percent opening is 6～10%; The width that main bed is analysed in peripheral passage and pyrolysis by interior cycle partition was cut apart by 1: 10～1: 15; Folding cigarette separating plate is inverted "L" shaped, is positioned at pyrolysis and analyses the top of main.
Described cyclone separates material-returning device and comprises and be vertically arranged at two indoor cyclone cylinders of returning charge, be arranged at the central tube of cyclone cylinder upper end and be arranged at the returning charge air compartment of cyclone cylinder below, the bottom of cyclone cylinder is back taper, the bottom of cyclone cylinder is connected with standpipe, the upper end of cyclone cylinder is provided with resolution gas entrance, one end of returning charge air compartment is provided with returning charge wind entrance, and the lower end of resolver entrance flushes with the bottom of central tube; The bottom of returning charge chamber is provided with returning charge mouth; The upper surface of returning charge air compartment is provided with returning charge air distribution plate, returning charge air distribution plate is along the downward-sloping layout of direction away from returning charge wind entrance, horizontal by 15～25 ° of angles, and being provided with successively away from a side of returning charge wind entrance the returning charge aperture that aperture increases gradually, the overall percent opening of returning charge air distribution plate is 3～7%.
Described pyrolysis installation comprises circulation pyrolysis unit in two-way, pyrolysis circulated air unit and single channel outer circulation gas solid separation unit, wherein, in described two-way, circulation pyrolysis unit comprises pyrolysis material inlet, the main bed of pyrolysis, with the interior circulation left side path and the interior circulation right side path that are symmetricly set in the main bed of pyrolysis both sides, be positioned at the pyrolysis propagation chamber and the pyrolysis leaching plate that is arranged at propagation chamber top of the main bed of pyrolysis top, described interior circulation left side path is provided with returning charge mouth at the sidewall of pyrolysis installation, on described pyrolysis leaching plate, offering aperture is that 5～10mm considers grey hole, percent opening is 15～20%, described pyrolysis circulated air unit comprises the pyrolysis air compartment that is arranged at the main bed of pyrolysis below and the pyrolysis circulation air compartment that is symmetricly set in pyrolysis air compartment both sides, the upper surface of described pyrolysis air compartment is pyrolysis air distribution plate, percent opening is 3～7%, the upper surface of described pyrolysis circulation air compartment is pyrolysis circulation air distribution plate, the wall of described pyrolysis circulation air distribution plate and pyrolysis installation is 38～45 ° of angles, on described pyrolysis circulation air distribution plate, be provided with multiple directed airducts, described directed airduct one end is connected with pyrolysis circulation air distribution plate, the other end points to the main bed of pyrolysis, multiple directed airducts ensure that the percent opening of pyrolysis circulation air distribution plate is 5～10%, the bottom of described pyrolysis air compartment is provided with pyrolysis air intake, the bottom of described pyrolysis circulation air compartment is provided with pyrolysis circulated air entrance, described single channel outer circulation gas solid separation unit comprise be arranged at circulation pyrolysis unit one side in two-way outer circulation path, be arranged at outer circulation path top and with the ash resistanting plate of pyrolysis installation parallel sidewalls, the material blanking tube that is arranged at outer circulation path below and outer circulation path top pyrolysis gas outlet, described pyrolysis unit is also provided with flash pipe, described flash pipe is arranged in the outside wall surface between pyrolysis material inlet and returning charge mouth, described outside wall surface is towards atmosphere, described flash tube opening is downward, is 35～50 ° of angles with described outside wall surface.
Wherein, described interior circulation left side path and interior circulation right side path are surrounded by the sidewall of pyrolysis expansion board, pyrolysis dividing plate, pyrolysis circulation air distribution plate and pyrolysis installation respectively, and the oblique lower setting of described pyrolysis expansion board is also 38～45 ° of angles with the sidewall of pyrolysis installation.
Described gasification installation is circulating gasification device in two-way, comprise cycle gasification unit in two-way, gasification circulated air unit and gas-solid separative element, wherein, in described two-way, cycle gasification unit comprises gasification materiel entrance, main bed gasifies, be symmetricly set in the interior peripheral passage of the main bed of gasification both sides, be positioned at the gasification propagation chamber and the gasification leaching plate that is arranged at gasification propagation chamber top of the main bed of gasification top, described gasification materiel entrance communicates with interior peripheral passage by tremie pipe, on described gasification leaching plate, offering aperture is that grey hole is considered in 5～10mm gasification, percent opening is 15～20%, described gasification circulated air unit comprises the gasification air compartment that is arranged at the main bed of gasification below and the gasification circulation air compartment that is symmetricly set in gasification air compartment both sides, the upper surface of described gasification air compartment is gasification air distribution plate, percent opening is 3～7%, the upper surface of described gasification circulation air compartment is gasification circulation air distribution plate, the wall of described gasification circulation air distribution plate and gasification installation is 30～40 ° of angles, on described gasification circulation air distribution plate, be provided with multiple loosening airducts, described loosening airduct one end is connected with gasification circulation air distribution plate, the other end points to the main bed of gasification, multiple loosening airducts ensure that the percent opening of gasification circulation air distribution plate is 5～10%, the sidewall of described gasification circulation air compartment is provided with gasification circulated air entrance, the bottom of described gasification air compartment is provided with gasification air entrance, the middle part of the main bed of described gasification is provided with the snakelike tube bank of conduction oil, described gas solid separation unit is arranged at a side of cycle gasification unit in two-way, comprise the outlet of gasification gas, active carbon discharge nozzle and gasification ash resistanting plate, described gasification gas outlet is arranged at the upper end of gasification installation outer wall, described active carbon discharge nozzle is arranged at the top of gasification materiel entrance, and described gasification ash resistanting plate is vertically arranged at the top of tremie pipe the parallel sidewalls with gasification installation.
Described interior peripheral passage is surrounded by the sidewall of gasification expansion board, gasification dividing plate, gasification circulation air distribution plate and gasification installation respectively, and the oblique lower setting of described gasification expansion board is also 38～45 ° of angles with the sidewall of gasification installation.
Described incinerator is disposed with incineration gases entrance, primary oil heater, water heater, cross-flow moving bed and exhaust opening, wherein, described gas access comprises pyrolysis gassing entrance, gasification gas entrance and burning air intake, and described cross-flow moving bed two ends are respectively equipped with active carbon entrance and active carbon outlet.
Described pyrolysis gas burner is disposed with burning gases entrance, secondary oil heater and steam superheater, and wherein, described burning gases entrance comprises pyrolysis gas entrance and combustion air entrance.
Described described oil circulating pump is connected with incinerator, pyrolysis gas burner and gasification installation successively; Described feed pump is connected with pyrolysis gas burner with incinerator successively; The import of described high temperature circulation blower fan is connected with pyrolysis gas burner, and outlet is connected with thermal analysis apparatus; Described used for air compressor in being respectively pyrolysis installation, gasification installation, incinerator and burner air feed.
In application process, soil to be repaired enters single channel ICFB thermal analysis apparatus from charging aperture, the circulating flue gas of 420～560 DEG C is analysed air compartment entrance from pyrolysis and is entered pyrolysis and analyse air compartment, the rectified action uniform-flow of then analysing air distribution plate by pyrolysis is become owner of bed, like this, soil moves upward under the fluidization of hot flue gas in main bed is analysed in pyrolysis, in the time of both process folding cigarette separating plates, thick soil particle moves downward along peripheral passage, and together return to main bed in circulation air distribution plate region with the soil to be repaired just adding, in this process, soil absorbs the physics sensible heat of flue gas and pyrolysis occurs analyses, volatility wherein and half volatile organic contaminant are separated out and are become pyrolysis gassing body, these gases are carried tiny soil particle secretly and are entered cyclone separation material-returning device by folding cigarette separating plate, through cyclonic separation process, pyrolysis gassing body leaves equipment from clean resolution gas export pipeline, and the soil particle that carries part heat enters returning charge chamber from standpipe, finally by gathering and the fluidization of the returning charge air distribution plate that is in tilted layout, enter pyrolysis installation by returning charge entrance,
Pyrolysis biomass straw enters pyrolysis installation from pyrolysis material inlet, the soil entering with returning charge mouth mixes in the main bed of pyrolysis, then under the fluidization of air, in bed, experience repeatedly shuttling movement in two-way, in this process, the sensible heat that stalk material absorbs soil is rapidly heated, concurrent raw pyrolytic reaction, reaction temperature remains in 400～500 DEG C, Heat of Formation is vented one's spleen and charcoal, the former leaves equipment after the inertial separation effect of single channel outer circulation gas solid separation unit, the fine grained separating and biomass straw together return to the main bed of pyrolysis, biological carbon evenly mix with soil after from flash pipe device for transferring,
Gasified bio-matter stalk enters gasification installation from gasification materiel entrance, shuttling movement in doing in bed under the fluidization of part air and water vapour, in the time that Dual-Phrase Distribution of Gas olid is upwards flowed through the snakelike tube bank of conduction oil in the main bed of gasification, bed material absorbs heat wherein fast, bed temperature rises between 700～850 DEG C, under such hot environment, organic matter and steam generating gasification reaction together with oxygen in stalk material, generate containing carbon monoxide, hydrogen, the combustible components such as methane are main gasification gas and active carbon, finally, through the inertial separation effect of gas-solid separation equipment, gasification gas separates with active carbon, the former is from gasification gas outlet outflow equipment, the latter leaves equipment from active carbon discharge nozzle,
The gasification gas of coming from gasification installation enters incinerator together with combustion air, after ignition, form combustion zone, simultaneously, the pyrolysis gassing coming from thermal analysis apparatus rotates into combustion high temperature region, now, majority of organic pollutants changes into pollution-free gaseous state thing, and the generation temperature of burning together with combustible is the hot flue gas of 1000 DEG C of left and right, then, flue gas is by primary oil heater, by the heat-conducting oil heating to 620 of returning from gasification installation DEG C left and right, and flue-gas temperature is reduced to 650 DEG C of left and right, then, flue gas passes through water heater again, gasified water is heated into saturated vapor, and flue-gas temperature is further reduced to 160 DEG C of left and right, finally, low-temperature flue gas is horizontally through cross-flow moving bed, in bed, fully contact with the active carbon coming from gasification installation, pollutant is removed, flue gas after purification enters atmosphere,
The pyrolysis gas of coming from pyrolysis installation enters pyrolysis gas combustion apparatus together with combustion air, generating temperature is the hot flue gas of 1100 DEG C of left and right, then, flue gas is by secondary oil heater, by the heat-conducting oil heating to 860 of coming from incinerator DEG C left and right, conduction oil after heating is back to equipment for gasification by oil circulating pump supercharging, and flue-gas temperature is reduced to 800 DEG C of left and right, then, flue gas passes through steam superheater again, saturated vapor is heated to superheated steam, and flue-gas temperature is further reduced to 500～580 DEG C, finally, by the supercharging of high temperature circulation blower fan, flue gas is back to again thermal analysis apparatus.
Beneficial effect: compared with prior art, tool of the present invention has the following advantages:
(1) soil remediation upgrading device of the present invention is by by cooperatively interacting between thermal analysis apparatus, pyrolysis installation, gasification installation, incinerator and burner, pyrolysis, gasification, the burning of pyrolysis gassing and the pyrolysis gas combustion process of Soil Thermal being resolved to repair process and biomass straw are coupled, this has fully demonstrated the function integration of overall equipment, realize the mutual coupling between product and energy supply and demand in each process, make package unit not only save the energy, reduce discharge, and key equipment structural compactness.
(2) thermal analysis apparatus of the present invention has adopted single channel ICFB, has extended the time of staying of soil to be repaired in bed, makes hot resolving fully thorough, and circulation air distribution plate adopts horizontally disposed jet pipe, contributes to the Rapid Circulation of bed material.
(3) material-returning device of the present invention has adopted the inclined distributor that has non-homogeneous aperture, and this arrangement contributes to the directional collecting of material toward pyrolysis plant one side, also contributes to the even control of returning charge amount.
(4) pyrolysis installation of the present invention comprises circulation pyrolysis unit, pyrolysis circulated air unit and single channel outer circulation gas solid separation unit in two-way, this building mode has been used for reference the layout thought of spouted bed with draft tube, be of value to the interior circulation of bed material, meanwhile, the use in conjunction of interior circulation and outer circulation contributes to the efficient of gas-solid to separate.
(5) gasification installation of the present invention has adopted two-way ICFB, contributes to the interior circulation of bed material, and meanwhile, the collection of active carbon adopts external inertia separator, has not only realized the compactedness of equipment, has also realized the efficient separation of gasification gas.
(6) the present invention is by soil remediation and soil upgrading coupling, and recycling treatment agriculture and forestry organic waste material simultaneously, is specially adapted to repair polluted soil in the abundant rural area of biomass straw in urbanization process.
Brief description of the drawings
Fig. 1 is soil remediation upgrading device schematic diagram of the present invention, Qi Zhongyou: thermal analysis apparatus I, cyclone separate material-returning device II, pyrolysis installation III, pyrolysis gas burner V, incinerator VI and oil-water-gas EGR VII, charging aperture A, pyrolysis material inlet I
in, combustion air entrance Q, burn air intake R, active carbon entrance S, active carbon outlet T, exhaust opening U, pyrolysis gassing entrance V
in, gasification gas entrance W, pyrolysis gas entrance X, oil circulating pump 52, primary oil heater 53, secondary oil heater 54, feed pump 55, water heater 56, steam superheater 57, cross-flow moving bed 58, air compressor machine 59 and high temperature circulation blower fan 60;
Fig. 2 is soil remediation upgrading device rearview of the present invention, Qi Zhongyou: thermal analysis apparatus I, cyclone separate material-returning device II, gasification installation IV, pyrolysis gas burner V, incinerator VI and oil gas EGR VII, charging aperture A, gasification materiel entrance M, burn wind entrance R, combustion air entrance Q, active carbon entrance S, active carbon outlet T, exhaust opening U, oil circulating pump 52, primary oil heater 53, secondary oil heater 54, feed pump 55, water heater 56, steam superheater 57, cross-flow moving bed 58, air compressor machine 59 and high temperature circulation blower fan 60;
Fig. 3 is soil remediation upgrading device right view of the present invention, Qi Zhongyou: pyrolysis plant III, equipment for gasification IV, returning charge wind entrance E, clean resolution gas outlet G, pyrolysis circulated air entrance H, pyrolysis material inlet I
in, pyrolysis gas outlet J, gasification circulated air entrance L, gasification materiel entrance M, gasification gas outlet N, returning charge air distribution plate 11, the snakelike tube bank 44 of conduction oil, tremie pipe 51 and flash pipe 61;
Fig. 4 is soil remediation device for improving quality top view of the present invention, Qi Zhongyou: thermal analysis apparatus I, cyclone separate material-returning device II, pyrolysis installation III, gasification installation IV, pyrolysis gas burner V, incinerator VI, charging aperture A, gasification materiel entrance M, active carbon entrance S, pyrolysis material inlet I, exhaust opening U, pyrolysis gassing entrance V
in, gasification gas entrance W, pyrolysis gas entrance X, the snakelike tube bank 44 of conduction oil and flash pipe 61;
Fig. 5 is the 3-D view of the thermal analysis apparatus in soil remediation upgrading device of the present invention, left figure is perspective view, right figure is normal view, Qi Zhongyou: charging aperture A, pyrolysis are analysed air compartment entrance B, circulated air chamber inlet C, resolution gas outlet D, circulation air compartment 1, circulation air distribution plate 2, jet pipe 3, pyrolysis and analysed that air compartment 4, pyrolysis are analysed air distribution plate 5, main bed 6, interior cycle partition 7, peripheral passage 8 and folding cigarette separating plate 9 are analysed in pyrolysis;
Fig. 6 is the 3-D view that the cyclone in soil remediation upgrading device of the present invention separates material-returning device, Qi Zhongyou: returning charge wind entrance E, resolution gas entrance F, clean resolution gas outlet G, returning charge air compartment 10, returning charge air distribution plate 11, returning charge aperture 12, left plate 13, right plate 14, returning charge mouth 15, cyclone cylinder 16, central tube 17, returning charge chamber 18 and standpipe 19;
Fig. 7 is the 3-D view of the pyrolysis installation in soil remediation upgrading device of the present invention, Qi Zhongyou: pyrolysis circulated air entrance H, pyrolysis material inlet I
in, pyrolysis gas outlet J, pyrolysis air intake K, returning charge mouth 15, material blanking tube 20, outer circulation path 21, interior circulation right side path 22, pyrolysis air compartment 23, pyrolysis air distribution plate 24, pyrolysis circulation air compartment 25, pyrolysis circulation air distribution plate 26, directed airduct 27, interior circulation left side path 28, the main bed 29 of pyrolysis, dividing plate 30, expansion board 31, propagation chamber 32, consider hawk 33, consider grey hole 34 and ash resistanting plate 35;
Fig. 8 is the 3-D view of the equipment for gasification in soil remediation upgrading device of the present invention, Qi Zhongyou: gasification circulated air entrance L, gasification materiel entrance M, the outlet of gasification gas N, gasification air entrance O, gasified water steam inlet P, gasification air compartment 36, gasification air distribution plate 37, gasification circulation air compartment 38, gasification circulation air distribution plate 39, loosening airduct 40, dividing plate 41, the main bed 42 that gasifies, interior peripheral passage 43, the snakelike tube bank 44 of conduction oil, expansion board 45, propagation chamber 46, consider hawk 47, consider grey hole 48, ash resistanting plate 49, active carbon discharge nozzle 50 and tremie pipe 51.
Detailed description of the invention
Describe the invention process in detail referring to Fig. 1-8.The present embodiment is implemented under taking the technical program as prerequisite, has provided detailed embodiment and operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Fig. 1～4, soil restoring device of the present invention mainly comprises five parts: thermal analysis apparatus I, cyclone separate material-returning device II, pyrolysis installation III, gasification installation IV, incinerator VI and pyrolysis gas burner V.Meanwhile, also comprise oil-water-gas EGR VII, comprise oil circulating pump 52, feed pump 55, high temperature circulation blower fan 60 and air compressor machine 59, for the oil-water-gas circulation of whole soil remediation device for improving quality.
Wherein, thermal analysis apparatus I produces the soil after pyrolysis gassing body and purification for soil to be repaired being carried out to hot dissection process; Cyclone separates material-returning device II and is connected with thermal analysis apparatus I, for separating of the pyrolysis gassing body from thermal analysis apparatus I and the soil carrying after the purification of heat; Pyrolysis installation III separates material-returning device II and is connected with cyclone, for biomass straw is carried out to pyrolytic reaction, biomass straw pyrolysis Heat of Formation is vented one's spleen and biological carbon; Gasification installation IV is for gasifying biomass straw for gasification gas and active carbon; Incinerator VI is connected with gasification installation IV for the gasification gas of the self-gasifying device IV that burns; Pyrolysis gas burner V is connected with pyrolysis installation III, for burning from the pyrolysis gas of pyrolysis installation III.Meanwhile, also comprise oil-water-gas EGR VII, comprise oil circulating pump 52, feed pump 55, high temperature circulation blower fan 60 and air compressor machine 59, for the oil-water-gas circulation of whole soil remediation device for improving quality.
Fig. 5 is the schematic diagram of thermal analysis apparatus I, thermal analysis apparatus of the present invention adopts single channel ICFB thermal analysis apparatus, comprises that charging aperture A, circulated air chamber inlet C, circulation air compartment 1, pyrolysis analyse air compartment entrance B, pyrolysis and analyse air compartment 4, resolution gas outlet D, pyrolysis and analyse air distribution plate 5, circulation air distribution plate 2, jet pipe 3, interior cycle partition 7, pyrolysis and analyse main bed 6, peripheral passage 8 and folding cigarette separating plate 9.Wherein, charging aperture A is positioned at pyrolysis and analyses a side of main bed 6; Circulated air chamber inlet C is positioned at the below of circulation air compartment 1 and communicates with circulation air compartment 1; Pyrolysis is analysed air compartment entrance position B and is analysed the below of air compartment 4 and analyse air compartment 4 with pyrolysis in pyrolysis and communicate; Resolution gas outlet is positioned at the top of folding cigarette separating plate 9; The top of air compartment 4 is analysed air distribution plate 5 and is positioned at pyrolysis and analyses in pyrolysis, is horizontally disposed, and percent opening is 8%; Circulation air distribution plate 2 is positioned at circulation air compartment 1 top oblique lower setting, be 38 ° of angles with the sidewall of thermal analysis apparatus, on circulation air distribution plate 2, be provided with multiple horizontally disposed jet pipes 3, jet pipe 3 one end are connected with circulation air distribution plate 2, the other end points to pyrolysis and analyses main bed 6, and multiple jet pipes 3 ensure that air distribution plate percent opening is 6%; The width that main bed 6 is analysed in peripheral passage 8 and pyrolysis by interior cycle partition 7 was cut apart by 1: 12; Folding cigarette separating plate 9 is inverted "L" shaped, is positioned at pyrolysis and analyses the top of main 6.
Fig. 6 is the schematic diagram that cyclone separates material-returning device.As shown in the figure, this cyclone separates material-returning device and comprises two cyclone cylinders 16 that are vertically arranged in returning charge chamber 18, the returning charge air compartment 10 that is arranged at the central tube 17 of cyclone cylinder 16 upper ends and is arranged at cyclone cylinder 16 belows, the bottom of cyclone cylinder 16 is back taper, the bottom of cyclone cylinder is connected with standpipe 19, the upper end of cyclone cylinder 16 is provided with resolution gas entrance F, one end of returning charge air compartment 10 is provided with returning charge wind entrance, and the lower end of resolution gas entrance F flushes with the bottom of central tube 17; The bottom of returning charge chamber 18 is provided with returning charge mouth 15; The upper surface of returning charge air compartment 10 is provided with returning charge air distribution plate 11, returning charge air distribution plate 11 is along the downward-sloping layout of direction away from returning charge wind entrance, horizontal by 20 ° of angles, and being provided with successively away from a side of returning charge wind entrance the returning charge aperture 12 that aperture increases gradually, the overall percent opening of returning charge air distribution plate 11 is 5%.
Fig. 7 is that pyrolysis installation comprises circulation pyrolysis unit, pyrolysis circulated air unit and single channel outer circulation gas solid separation unit in two-way, and wherein, in two-way, circulation pyrolysis unit comprises pyrolysis material inlet I
in, the main bed of pyrolysis 29 and be symmetricly set in the main bed of pyrolysis 29 both sides interior circulation left side path 28 and interior circulation right side path 21, be positioned at the pyrolysis propagation chamber 32 of the main bed of pyrolysis 29 tops and be arranged at the pyrolysis leaching plate 33 at propagation chamber 32 tops, interior circulation left side path 28 is provided with returning charge mouth 15 at the sidewall of pyrolysis installation, on pyrolysis leaching plate 33, offering aperture is that 5mm considers grey hole 34, and percent opening is 18%, pyrolysis circulated air unit comprises the pyrolysis air compartment 23 that is arranged at the main bed of pyrolysis 29 belows and the pyrolysis circulation air compartment 25 that is symmetricly set in pyrolysis air compartment 23 both sides, the upper surface of pyrolysis air compartment 23 is pyrolysis air distribution plate 24, percent opening is 5%, the upper surface of pyrolysis circulation air compartment 25 is pyrolysis circulation air distribution plate 26, pyrolysis circulation air distribution plate 26 is 38～45 ° of angles with the wall of pyrolysis installation, on pyrolysis circulation air distribution plate 26, be provided with multiple directed airducts 27, directed airduct 27 one end are connected with pyrolysis circulation air distribution plate 26, the other end points to the main bed 29 of pyrolysis, multiple directed airducts 27 ensure that the percent opening of pyrolysis circulation air distribution plate 26 is 8%, the bottom of pyrolysis air compartment 23 is provided with pyrolysis air intake K, the bottom of pyrolysis circulation air compartment 25 is provided with pyrolysis circulated air entrance H, single channel outer circulation gas solid separation unit comprise be arranged at circulation pyrolysis unit one side in two-way outer circulation path 21, be arranged at outer circulation path top and the pyrolysis gas outlet J with the ash resistanting plate 35 of pyrolysis installation parallel sidewalls, the material blanking tube 20 that is arranged at outer circulation path below and outer circulation path top, on pyrolysis unit, be also provided with flash pipe 61, this flash pipe 61 is arranged in the outside wall surface between pyrolysis material inlet and returning charge mouth 15, and this outside wall surface is towards ambient atmosphere, and Open Side Down for flash pipe 61, is 35～50 ° of angles with outside wall surface.Wherein, interior circulation left side path 28 and interior circulation right side path 22 are surrounded by the sidewall of pyrolysis expansion board 31, pyrolysis dividing plate 30, pyrolysis circulation air distribution plate 26 and pyrolysis installation respectively, and the oblique lower setting of pyrolysis expansion board 31 is also 40 ° of angles with the sidewall of pyrolysis installation.
Fig. 8 is the schematic diagram of gasification installation, comprise cycle gasification unit in two-way, gasification circulated air unit and gas-solid separative element, wherein, in two-way, cycle gasification unit comprises gasification materiel entrance M, main bed 42 gasifies, with the interior peripheral passage 43 that is symmetricly set in the main bed of gasification 42 both sides, be positioned at the gasification propagation chamber 46 and the gasification leaching plate 47 that is arranged at gasification propagation chamber 46 tops of the main bed of gasification 42 tops, gasification materiel entrance M communicates with interior peripheral passage 43 by tremie pipe 51, on gasification leaching plate 47, offering aperture is that grey hole 48 is considered in 5～10mm gasification, percent opening is 18%, gasification circulated air unit comprise the gasification air compartment 36 that is arranged at the main bed of gasification 42 belows and the gasification circulation air compartment 38 that is symmetricly set in gasification air compartment 36 both sides, the upper surface of gasification air compartment 36 is gasification air distribution plate 37, percent opening is 5%, the upper surface of gasification circulation air compartment 38 is gasification circulation air distribution plate 40, gasification circulation air distribution plate 40 is 35 ° of angles with the wall of gasification installation, on gasification circulation air distribution plate 40, be provided with multiple loosening airducts 40, loosening airduct 40 one end are connected with gasification circulation air distribution plate 37, the other end points to the main bed 42 of gasification, multiple loosening airducts 40 ensure that the percent opening of gasification circulation air distribution plate 37 is 8%, the sidewall of gasification circulation air compartment 38 be provided with gasification circulated air entrance L, the bottom of gasification air compartment 36 be provided with gasification air entrance O, the middle part of gasifying main 42 is provided with the snakelike tube bank 44 of conduction oil, gas solid separation unit is arranged at a side of cycle gasification unit in two-way, comprise gasification gas outlet N, active carbon discharge nozzle 50 and gasification ash resistanting plate 49, gasification gas outlet N is arranged at the upper end of gasification installation outer wall, active carbon discharge nozzle 50 is arranged at the top of gasification materiel entrance, and gasification ash resistanting plate 49 is vertically arranged at the top of tremie pipe 51 parallel sidewalls with gasification installation.Wherein, interior peripheral passage 43 is surrounded by the sidewall of gasification expansion board 45, gasification dividing plate 41, gasification circulation air distribution plate 39 and gasification installation respectively, and the gasification oblique lower setting of expansion board 45 is also 40 ° of angles with the sidewall of gasification installation.
Incinerator is disposed with incineration gases entrance, primary oil heater 53, water heater 5, cross-flow moving bed 58 and exhaust opening, and wherein, gas access comprises pyrolysis gassing entrance V
in, gasification gas entrance W and burn air intake R, cross-flow moving bed 58 two ends are respectively equipped with active carbon entrance S and active carbon outlet T.Pyrolysis gas burner is disposed with burning gases entrance, secondary oil heater 54 and steam superheater 57, wherein, burning gases entrance comprise pyrolysis gas entrance X and combustion air entrance Q.
The oil-water-gas balance of whole equipment arranges realization by following: oil circulating pump 52 is connected with incinerator, pyrolysis gas burner and gasification installation successively; Feed pump 55 is connected with pyrolysis gas burner with incinerator successively; The import of high temperature circulation blower fan 60 is connected with pyrolysis gas burner, and outlet is connected with thermal analysis apparatus; Air compressor machine 59 is for being respectively pyrolysis installation, gasification installation, incinerator and burner air feed.
The present embodiment is for by certain gas station's contaminated soil, and wherein containing organic pollution 50.6mg/kg, concrete implementation step is as follows:
(1) soil to be repaired enters single channel ICFB thermal analysis apparatus by circulation air distribution plate, the circulating flue gas of 500 DEG C is analysed air compartment entrance from pyrolysis and is entered pyrolysis and analyse air compartment, the rectified action uniform-flow of then analysing air distribution plate by pyrolysis is become owner of bed, like this, soil absorbs below flue gas heat limit in the fluidization of hot flue gas and moves upward in main bed is analysed in pyrolysis, in the time that both through the folding cigarette separating plate that being inverted "L" shaped, thick soil particle moves downward along peripheral passage, in this process, soil generation pyrolysis is analysed, volatility wherein and half volatile organic contaminant are separated out and are become pyrolysis gassing body, and carry tiny soil particle secretly and leave equipment,
(2) pyrolysis gassing body enters cyclone and separates returning charge equipment, through cyclonic separation process, pyrolysis gassing body leaves equipment from clean resolution gas export pipeline, and the soil particle that carries part heat is fallen returning charge air distribution plate from standpipe, returning charge wind enters returning charge chamber by returning charge aperture, by anterior soil particle fluidisation, and leave equipment by returning charge mouth;
(3) pyrolysis biomass straw enters pyrolysis plant from pyrolysis material inlet, the hometown earth entering with returning charge mouth mixes in the main bed of pyrolysis, pyrolysis wind is by horizontal air distribution plate fluidisation stalk and soil mixture, they are carried into pyrolysis propagation chamber, due to the unexpected reduction of air velocity, part particle slides into peripheral passage, the left and right sides under pyrolysis expansion board, and slowly move to circulation air distribution plate, circulated air blows to main bed by directed airduct the stalk on the returning charge in left side and recycle stock and right side and recycle stock, participate in next circulation, in this process, the sensible heat that stalk material absorbs soil is rapidly heated, concurrent raw pyrolytic reaction, reaction temperature remains on 500 DEG C of left and right, Heat of Formation is vented one's spleen and charcoal, the former leaves equipment after the inertial separation effect of outer circulation path, the fine grained separating and biomass straw together return to the main bed of pyrolysis, after the latter evenly mixes with soil from flash pipe device for transferring, analysis soil constituent is found, now organic pollution content reduces greatly, and charcoal content obviously improves,
(4) gasified bio-matter stalk enters gasification installation from gasification materiel entrance, gasification wind is by horizontal air distribution plate fluidisation stalk, and together with the water vapour entering, stalk is carried into gasification propagation chamber, due to the unexpected reduction of air velocity, part particle slides into peripheral passage, the left and right sides under gasification expansion board, and slowly move to circulation air distribution plate, circulated air blows to the main bed of gasification by loosening airduct the stalk on the recycle stock in left side and right side and recycle stock, participate in next circulation, in this process, in the time that Dual-Phrase Distribution of Gas olid moves upward through the snakelike tube bank of conduction oil in the main bed of gasification, bed material absorbs heat wherein fast, make bed temperature rise to 820 DEG C of left and right, under such hot environment, organic matter and steam generating gasification reaction together with oxygen in stalk material, generate containing carbon monoxide, hydrogen, the combustible components such as methane are main gasification gas and active carbon, finally, through the inertial separation effect of external circulation line, gasification gas separates with active carbon, the former is from gasification gas outlet outflow equipment, the latter leaves equipment from active carbon discharge nozzle,
(5) the gasification gas coming from equipment for gasification enters incinerator together with combustion air, after ignition, form combustion zone, simultaneously, the pyrolysis gassing coming from single channel ICFB thermal analysis apparatus rotates into combustion high temperature region, at high-temperature area, majority of organic pollutants changes into pollution-free gaseous state thing, and the generation temperature of burning together with combustible is the hot flue gas of 1000 DEG C of left and right, then, flue gas is by primary oil heater, by the heat-conducting oil heating to 620 that cycle gasification equipment returns in two-way DEG C left and right, and flue-gas temperature is reduced to 650 DEG C of left and right, then, flue gas passes through water heater again, gasified water is heated into saturated vapor, and flue-gas temperature is further reduced to 160 DEG C of left and right, finally, low-temperature flue gas is horizontally through cross-flow moving bed, the active carbon coming with cycle gasification equipment in two-way in bed fully contacts, pollutant is removed, flue gas after purification enters atmosphere,
(6) pyrolysis gas coming from pyrolysis installation enters pyrolysis gas burner together with combustion air, generating temperature is the hot flue gas of 1100 DEG C of left and right, then, flue gas is by secondary oil heater, by the heat-conducting oil heating to 860 of coming from incinerator DEG C left and right, conduction oil after heating is back to equipment for gasification by oil circulating pump supercharging, and flue-gas temperature is reduced to 800 DEG C of left and right, then, flue gas passes through steam superheater again, saturated vapor is heated to superheated steam, and flue-gas temperature is further reduced to 500 DEG C of left and right, finally, by the supercharging of high temperature circulation blower fan, flue gas is back to again single channel ICFB thermal analysis apparatus, participate in hot resolving.
Soil remediation upgrading device of the present invention is by by cooperatively interacting between thermal analysis apparatus, pyrolysis installation, gasification installation, incinerator and burner, pyrolysis, gasification, the burning of pyrolysis gassing and the pyrolysis gas combustion process of Soil Thermal being resolved to repair process and biomass straw are coupled, this has fully demonstrated the function integration of overall equipment, realize the mutual coupling between product and energy supply and demand in each process, make package unit not only save the energy, reduce discharge, and key equipment structural compactness.Thermal analysis apparatus of the present invention has adopted single channel ICFB, has extended the time of staying of soil to be repaired in bed, makes hot resolving fully thorough, and circulation air distribution plate adopts horizontally disposed jet pipe, contributes to the Rapid Circulation of bed material.In material-returning device, adopted the inclined distributor that has non-homogeneous aperture, this arrangement contributes to the directional collecting of material toward pyrolysis plant one side, also contributes to the even control of returning charge amount.Simultaneously, pyrolysis installation of the present invention comprises circulation pyrolysis unit, pyrolysis circulated air unit and single channel outer circulation gas solid separation unit in two-way, this building mode has been used for reference the layout thought of spouted bed with draft tube, be of value to the interior circulation of bed material, meanwhile, the use in conjunction of interior circulation and outer circulation contributes to the efficient of gas-solid to separate.Gasification installation of the present invention has adopted two-way ICFB, contributes to the interior circulation of bed material, and meanwhile, the collection of active carbon adopts external inertia separator, has not only realized the compactedness of equipment, has also realized the efficient separation of gasification gas.By soil remediation and soil upgrading are coupled, recycling treatment agriculture and forestry organic waste material simultaneously, the present invention is specially adapted to repair polluted soil in the abundant rural area of biomass straw in urbanization process.
Claims (10)
1. a soil remediation upgrading device, is characterized in that, comprising:
Thermal analysis apparatus, carries out hot dissection process for the soil to be repaired and produces the soil after pyrolysis gassing body and purification;
Cyclone separates material-returning device, is connected, for separating of the pyrolysis gassing body from thermal analysis apparatus and the soil carrying after the purification of heat with described thermal analysis apparatus;
Pyrolysis installation, separates material-returning device and is connected with described cyclone, for biomass straw is carried out to pyrolytic reaction, biomass straw pyrolysis Heat of Formation is vented one's spleen and biological carbon;
Gasification installation, for gasifying biomass straw for gasification gas and active carbon;
Pyrolysis gas burner, is connected with described pyrolysis installation, for burning from the pyrolysis gas of pyrolysis installation;
Incinerator, is connected with described gasification installation, for burning the gasification gas of self-gasifying device;
With oil-water-gas EGR, comprise oil circulating pump (52), feed pump (55), high temperature circulation blower fan (60) and air compressor machine (59), for the oil-water-gas circulation of whole soil remediation device for improving quality.
2. soil remediation upgrading device according to claim 1, it is characterized in that, described thermal analysis apparatus is single channel ICFB thermal analysis apparatus, comprise charging aperture, circulated air chamber inlet, circulation air compartment (1), air compartment entrance is analysed in pyrolysis, air compartment (4) is analysed in pyrolysis, resolution gas outlet, air distribution plate (5) is analysed in pyrolysis, circulation air distribution plate (2), jet pipe (3), interior cycle partition (7), main bed (6) is analysed in pyrolysis, peripheral passage (8) and folding cigarette separating plate (9), wherein, charging aperture is positioned at pyrolysis and analyses a side of main bed (6), circulated air chamber inlet is positioned at the below of circulation air compartment (1) and communicates with circulation air compartment (1), pyrolysis is analysed air compartment entrance and is positioned at pyrolysis and analyses the below of air compartment (4) and analyse air compartment (4) with pyrolysis and communicate, resolution gas outlet is positioned at the top of folding cigarette separating plate (9), the top of air compartment (4) is analysed air distribution plate (5) and is positioned at pyrolysis and analyses in pyrolysis, is horizontally disposed, and percent opening is 5～8%, circulation air distribution plate (2) is positioned at circulation air compartment (1) top oblique lower setting, 50～60 ° of angles of sidewall with thermal analysis apparatus, on circulation air distribution plate (2), be provided with multiple horizontally disposed jet pipes (3), described jet pipe (3) one end is connected with circulation air distribution plate (2), the other end points to pyrolysis and analyses main bed (6), and multiple jet pipes (3) ensure that air distribution plate percent opening is 6～10%, the width that main bed (6) is analysed in peripheral passage (8) and pyrolysis by interior cycle partition (7) was cut apart by 1: 10～1: 15, folding cigarette separating plate (9) is inverted "L" shaped, is positioned at pyrolysis and analyses the top of main bed (6).
3. soil remediation upgrading device according to claim 1, it is characterized in that, described cyclone separates material-returning device and comprises two cyclone cylinders (16) that are vertically arranged in returning charge chamber (18), be arranged at the central tube (17) of cyclone cylinder (16) upper end and be arranged at the returning charge air compartment (10) of cyclone cylinder (16) below, the bottom of cyclone cylinder is back taper, the bottom of cyclone cylinder is connected with standpipe (19), the upper end of cyclone cylinder (16) is provided with resolution gas entrance, one end of returning charge air compartment (10) is provided with returning charge wind entrance, the lower end of resolver entrance flushes with the bottom of central tube (17), the bottom of returning charge chamber (18) is provided with returning charge mouth (15), the upper surface of returning charge air compartment (10) is provided with returning charge air distribution plate (11), returning charge air distribution plate (11) is along the downward-sloping layout of direction away from returning charge wind entrance, horizontal by 15～25 ° of angles, and being provided with successively the returning charge aperture (12) that aperture increases gradually away from a side of returning charge wind entrance, the overall percent opening of returning charge air distribution plate (11) is 3～7%.
4. soil remediation upgrading device according to claim 1, it is characterized in that, described pyrolysis installation comprises circulation pyrolysis unit in two-way, pyrolysis circulated air unit and single channel outer circulation gas solid separation unit, wherein, in described two-way, circulation pyrolysis unit comprises pyrolysis material inlet, the main bed of pyrolysis (29), be symmetricly set in interior circulation left side path (28) and the interior circulation right side path (21) of the main bed of pyrolysis (29) both sides, flash pipe (61), be positioned at the pyrolysis propagation chamber (32) of the main bed of pyrolysis (29) top and be arranged at the pyrolysis leaching plate (33) at propagation chamber (32) top, described interior circulation left side path (28) is provided with returning charge mouth (15) at the sidewall of pyrolysis installation, on described pyrolysis leaching plate (33), offering aperture is the worry ash hole (34) of 5～10mm, percent opening is 15～20%, described pyrolysis circulated air unit comprises the pyrolysis air compartment (23) that is arranged at the main bed of pyrolysis (29) below and the pyrolysis circulation air compartment (25) that is symmetricly set in pyrolysis air compartment (23) both sides, the upper surface of described pyrolysis air compartment (23) is pyrolysis air distribution plate (24), percent opening is 3～7%, the upper surface of described pyrolysis circulation air compartment (25) is pyrolysis circulation air distribution plate (26), described pyrolysis circulation air distribution plate (26) is 38～45 ° of angles with the wall of pyrolysis installation, on described pyrolysis circulation air distribution plate (26), be provided with multiple directed airducts (27), described directed airduct (27) one end is connected with pyrolysis circulation air distribution plate (26), the other end points to the main bed of pyrolysis (29), multiple directed airducts (27) ensure that the percent opening of pyrolysis circulation air distribution plate (26) is 5～10%, the bottom of described pyrolysis air compartment (23) is provided with pyrolysis air intake, the bottom of described pyrolysis circulation air compartment (25) is provided with pyrolysis circulated air entrance, described single channel outer circulation gas solid separation unit comprise be arranged at circulation pyrolysis unit one side in two-way outer circulation path (21), be arranged at outer circulation path top and with the ash resistanting plate (35) of pyrolysis installation parallel sidewalls, be arranged at the pyrolysis gas outlet above material blanking tube (20) and the outer circulation path of outer circulation path below, described pyrolysis unit is also provided with flash pipe (61), described flash pipe (61) is arranged in the outside wall surface between pyrolysis material inlet and returning charge mouth (15), described outside wall surface is towards atmosphere, Open Side Down for described flash pipe (61), is 35～50 ° of angles with described outside wall surface.
5. soil remediation upgrading device according to claim 4, it is characterized in that, described interior circulation left side path (28) and interior circulation right side path (22) are surrounded by the sidewall of pyrolysis expansion board (31), pyrolysis dividing plate (30), pyrolysis circulation air distribution plate (26) and pyrolysis installation respectively, and the oblique lower setting of described pyrolysis expansion board (31) is also 38～45 ° of angles with the sidewall of pyrolysis installation.
6. soil remediation upgrading device according to claim 1, it is characterized in that, described gasification installation is circulating gasification device in two-way, comprise cycle gasification unit in two-way, gasification circulated air unit and gas-solid separative element, wherein, in described two-way, cycle gasification unit comprises gasification materiel entrance, main bed (42) gasifies, with the interior peripheral passage (43) that is symmetricly set in the main bed of gasification (42) both sides, be positioned at the gasification propagation chamber (46) of the main bed of gasification (42) top and be arranged at the gasification leaching plate (47) at propagation chamber (46) top of gasifying, described gasification materiel entrance communicates with interior peripheral passage (43) by tremie pipe (51), on described gasification leaching plate (47), offering aperture is that grey hole (48) is considered in 5～10mm gasification, percent opening is 15～20%, described gasification circulated air unit comprises the gasification air compartment (36) that is arranged at the main bed of gasification (42) below and the gasification circulation air compartment (38) that is symmetricly set in gasification air compartment (36) both sides, the upper surface of described gasification air compartment (36) is gasification air distribution plate (37), percent opening is 3～7%, the upper surface of described gasification circulation air compartment (38) is gasification circulation air distribution plate (40), described gasification circulation air distribution plate (40) is 30～40 ° of angles with the wall of gasification installation, on described gasification circulation air distribution plate (40), be provided with multiple loosening airducts (40), described loosening airduct (40) one end is connected with gasification circulation air distribution plate (37), the other end points to the main bed of gasification (42), multiple loosening airducts (40) ensure that the percent opening of gasification circulation air distribution plate (37) is 5～10%, the sidewall of described gasification circulation air compartment (38) is provided with gasification circulated air entrance, the bottom of described gasification air compartment (36) is provided with gasification air entrance, the middle part of the main bed of described gasification (42) is provided with the snakelike tube bank of conduction oil (44), described gas solid separation unit is arranged at a side of cycle gasification unit in two-way, comprise the outlet of gasification gas, active carbon discharge nozzle (50) and gasification ash resistanting plate (49), described gasification gas outlet is arranged at the upper end of gasification installation outer wall, described active carbon discharge nozzle (50) is arranged at the top of gasification materiel entrance, and described gasification ash resistanting plate (49) is vertically arranged at the top of tremie pipe (51) the parallel sidewalls with gasification installation.
7. soil remediation upgrading device according to claim 6, it is characterized in that, described interior peripheral passage (43) is surrounded by the sidewall of gasification expansion board (45), gasification dividing plate (41), gasification circulation air distribution plate (39) and gasification installation respectively, and the oblique lower setting of described gasification expansion board (45) is also 38～45 ° of angles with the sidewall of gasification installation.
8. soil remediation upgrading device according to claim 1, it is characterized in that, described incinerator is disposed with incineration gases entrance, primary oil heater (53), water heater (56), cross-flow moving bed (58) and exhaust opening, wherein, described gas access comprises pyrolysis gassing entrance, gasification gas entrance and burning air intake, and the two ends of described cross-flow moving bed (58) are respectively equipped with active carbon entrance and active carbon outlet.
9. soil remediation upgrading device according to claim 1, it is characterized in that, described pyrolysis gas burner is disposed with burning gases entrance, secondary oil heater (54) and steam superheater (57), wherein, described burning gases entrance comprises pyrolysis gas entrance and combustion air entrance.
10. soil remediation upgrading device according to claim 1, is characterized in that, described oil circulating pump (52) is connected with incinerator, pyrolysis gas burner and gasification installation successively; Described feed pump (55) is connected with pyrolysis gas burner with incinerator successively; The import of described high temperature circulation blower fan (60) is connected with pyrolysis gas burner, and outlet is connected with thermal analysis apparatus; Described air compressor machine (59) is for being respectively pyrolysis installation, gasification installation, incinerator and burner air feed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116607.6A CN103894413B (en) | 2014-03-26 | 2014-03-26 | A kind of soil remediation upgrading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410116607.6A CN103894413B (en) | 2014-03-26 | 2014-03-26 | A kind of soil remediation upgrading device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103894413A true CN103894413A (en) | 2014-07-02 |
| CN103894413B CN103894413B (en) | 2015-09-16 |
Family
ID=50986161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410116607.6A Expired - Fee Related CN103894413B (en) | 2014-03-26 | 2014-03-26 | A kind of soil remediation upgrading device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103894413B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032909A (en) * | 2015-06-30 | 2015-11-11 | 武汉都市环保工程技术股份有限公司 | Ectopic desorption remediation method for contaminated soil |
| CN105396867A (en) * | 2015-11-02 | 2016-03-16 | 沈健龙 | Integrated type recovery device for organic-polluted soil |
| CN112555863A (en) * | 2021-01-14 | 2021-03-26 | 新乡工神锅炉有限公司 | Garbage incinerator with square rotary air separator for eliminating dioxin |
| CN110340121B (en) * | 2019-06-11 | 2021-09-17 | 江苏博世建设有限公司 | Soil leaching, upgrading and repairing device with tail gas treatment function |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105861066B (en) * | 2016-06-20 | 2018-07-03 | 哈尔滨工业大学 | A kind of colm segmented couples gasification installation and gasification process |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1605798A (en) * | 2004-09-10 | 2005-04-13 | 南京东大能源环保科技有限公司 | Apparatus and method for treating incineration exhaust gas of dry-wet mixed solid waste |
| CN1912461A (en) * | 2006-08-11 | 2007-02-14 | 国电科技环保集团山东龙源环保有限公司 | Straw circulation fluidized-bed combustion boiler |
| JP2008307449A (en) * | 2007-06-13 | 2008-12-25 | Yamatatsu Kosan:Kk | Plant for upgrading excavated soil comprising low-quality surplus soil |
| CA2660106A1 (en) * | 2008-09-04 | 2010-03-04 | Lcg Thermalpro International Inc. | System and method for treating oil-bearing media |
| CN101947543A (en) * | 2010-09-27 | 2011-01-19 | 中国科学院武汉岩土力学研究所 | Device for treating volatile organic polluted soil by utilizing clean tail gas of power plant |
| CN102311743A (en) * | 2011-08-25 | 2012-01-11 | 季天仁 | Microwave pyrolysis based biomass recycling and integrated treatment method and equipment |
| CN102527705A (en) * | 2012-01-18 | 2012-07-04 | 广州市金龙峰环保设备工程有限公司 | Soil remediation method |
| WO2014004691A1 (en) * | 2012-06-26 | 2014-01-03 | Robert Steffan | In situ remediation |
-
2014
- 2014-03-26 CN CN201410116607.6A patent/CN103894413B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1605798A (en) * | 2004-09-10 | 2005-04-13 | 南京东大能源环保科技有限公司 | Apparatus and method for treating incineration exhaust gas of dry-wet mixed solid waste |
| CN1912461A (en) * | 2006-08-11 | 2007-02-14 | 国电科技环保集团山东龙源环保有限公司 | Straw circulation fluidized-bed combustion boiler |
| JP2008307449A (en) * | 2007-06-13 | 2008-12-25 | Yamatatsu Kosan:Kk | Plant for upgrading excavated soil comprising low-quality surplus soil |
| CA2660106A1 (en) * | 2008-09-04 | 2010-03-04 | Lcg Thermalpro International Inc. | System and method for treating oil-bearing media |
| CN101947543A (en) * | 2010-09-27 | 2011-01-19 | 中国科学院武汉岩土力学研究所 | Device for treating volatile organic polluted soil by utilizing clean tail gas of power plant |
| CN102311743A (en) * | 2011-08-25 | 2012-01-11 | 季天仁 | Microwave pyrolysis based biomass recycling and integrated treatment method and equipment |
| CN102527705A (en) * | 2012-01-18 | 2012-07-04 | 广州市金龙峰环保设备工程有限公司 | Soil remediation method |
| WO2014004691A1 (en) * | 2012-06-26 | 2014-01-03 | Robert Steffan | In situ remediation |
Non-Patent Citations (2)
| Title |
|---|
| 朱颖等: "垃圾循环流化床低温气化试验研究及模拟", 《燃烧科学与技术》 * |
| 王学涛等: "燃煤气化-旋风熔融集成处理焚烧飞灰的试验研究", 《动力工程》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105032909A (en) * | 2015-06-30 | 2015-11-11 | 武汉都市环保工程技术股份有限公司 | Ectopic desorption remediation method for contaminated soil |
| CN105396867A (en) * | 2015-11-02 | 2016-03-16 | 沈健龙 | Integrated type recovery device for organic-polluted soil |
| CN105396867B (en) * | 2015-11-02 | 2018-05-08 | 钟树明 | A kind of integrated form prosthetic device of organic material contaminated soil |
| CN110340121B (en) * | 2019-06-11 | 2021-09-17 | 江苏博世建设有限公司 | Soil leaching, upgrading and repairing device with tail gas treatment function |
| CN112555863A (en) * | 2021-01-14 | 2021-03-26 | 新乡工神锅炉有限公司 | Garbage incinerator with square rotary air separator for eliminating dioxin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103894413B (en) | 2015-09-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101561144B (en) | Clean incineration system of refuse and organic wastes and device thereof | |
| KR100935446B1 (en) | Method of device for high water content of drying and carbonizing | |
| CN103894413B (en) | A kind of soil remediation upgrading device | |
| CN102003713B (en) | Device for combustible solid waste gasification and combustion | |
| CN105546548B (en) | A kind of device and its solid waste substance treating method of multi-functional processing solid waste | |
| CN109111075A (en) | Sludge drying gasification coupling coal generating system and its process | |
| CN205316329U (en) | Portable rural garbage pyrolytic gasification equipment | |
| CN101463261A (en) | Integrated system and method for producing oil from sludge and refuse incineration | |
| CN112111302B (en) | Low-order material gasification combustion and flue gas pollutant control integrated process and device and application | |
| CN104229797A (en) | Pyrolysis-activation-combustion-gasification integrated furnace, garbage landfill coordinating treatment system and activated carbon preparation method | |
| CN107699294A (en) | A kind of Lutao formula town and country debirs harmless resource utilization handling process | |
| CN103939912B (en) | Dry-process rotary kiln associated treatment is containing wet refuse bypass electrification technique as well as and system | |
| CN205061973U (en) | System for indirect heating formula pyrolysis and carbonization living beings | |
| CN108613194B (en) | A kind of device for villages and small towns consumer waste incineration | |
| CN100504169C (en) | Incineration processing method and device for wet sludge | |
| CN103894412B (en) | A kind of soil remediation method for upgrading | |
| CN109812815A (en) | A kind of small-sized rubbish processing unit | |
| CN203771420U (en) | Bypass generating system for co-processing wet garbage by dry method rotary kiln | |
| CN211255815U (en) | Small cabinet type garbage low-temperature pyrolysis system | |
| CN104329676B (en) | Fluid bed sludge incinerating system and processing method | |
| CN202912917U (en) | Graded pyrolyzing gasifier of domestic garbage coupled fluidized bed | |
| CN101270877B (en) | Water-proof coiled material flue gas processing equipment | |
| CN104896481B (en) | A kind of incinerator and its smoke eliminator of application | |
| CN201209866Y (en) | Flue gas handling arrangement for waterproof roll | |
| CN204227429U (en) | Fluid bed sludge incinerating system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20190326 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |