CN110340127A - A kind of intelligent combustion processing all-in-one machine for contaminated site thermal desorption reparation - Google Patents
A kind of intelligent combustion processing all-in-one machine for contaminated site thermal desorption reparation Download PDFInfo
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- CN110340127A CN110340127A CN201910666745.4A CN201910666745A CN110340127A CN 110340127 A CN110340127 A CN 110340127A CN 201910666745 A CN201910666745 A CN 201910666745A CN 110340127 A CN110340127 A CN 110340127A
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- 238000002485 combustion reaction Methods 0.000 title claims abstract description 157
- 238000003795 desorption Methods 0.000 title claims abstract description 69
- 238000012545 processing Methods 0.000 title abstract description 17
- 239000007789 gas Substances 0.000 claims abstract description 123
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000000446 fuel Substances 0.000 claims abstract description 19
- 239000000567 combustion gas Substances 0.000 claims abstract description 15
- 230000008676 import Effects 0.000 claims abstract description 11
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 239000002689 soil Substances 0.000 claims description 13
- 230000006837 decompression Effects 0.000 claims description 9
- 239000000523 sample Substances 0.000 claims description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- 239000003546 flue gas Substances 0.000 abstract description 13
- 238000000034 method Methods 0.000 abstract description 12
- 238000011084 recovery Methods 0.000 abstract description 12
- 230000008439 repair process Effects 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 239000002912 waste gas Substances 0.000 abstract description 4
- 238000011065 in-situ storage Methods 0.000 description 8
- 239000000356 contaminant Substances 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000010304 firing Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 239000003063 flame retardant Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
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- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005485 electric heating Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 239000013067 intermediate product Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000011819 refractory material Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000002957 persistent organic pollutant Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention discloses a kind of intelligent combustions for contaminated site thermal desorption reparation to handle all-in-one machine, which includes gas supply unit, combustion air supply unit, strile-back exhaust gas import unit, burner, combustion chamber and control cabinet.In the all-in-one machine, combustion gas is contacted with combustion air through burner, by, in combustion chamber continued stable combustion, generating high-temperature flue gas feeding thermal desorption repair system after igniter fire and carrying out conduction heat exchange use indirectly.The exhaust gas import unit of strile-bacing that the desorption organic exhaust gas that thermal desorption repair system generates can handle all-in-one machine through intelligent combustion is sent into combustion chamber and carries out flame combustion processing.The present invention can be using conventional gas fuel as energy source, efficiency of energy utilization is high, system equipment is simple, safe and stable, reliable, burning heat production and waste gas heating power burning processing function are had both, stable high-temp combustion flue gas heat source and good high concentration desorption organic exhaust gas heat treatment solution can be provided for thermal desorption recovery technique.
Description
Technical field
The present invention relates to a kind of devices for contaminated site reparation, and in particular, to one kind is in situ for contaminated site
Thermal desorption or the intelligent combustion of heap body formula thermal desorption reparation handle all-in-one machine.
Background technique
It is organic that thermal desorption (Thermal Desorption) technology is widely portable to volatile organic matter, half volatile
Object, the original position of petroleum hydrocarbon or mercury pollution place or showering.The technology, will be dirty by way of directly or indirectly heating
Dye soil and/or underground water are heated to holding close to the boiling point of even more than target contaminant by control system temperature and high temperature
The continuous time selectively promotes target contaminant to desorb, gasify, volatilize, decompose or increase its mobility, makes target contaminant
It separates, remove with soil media, to realize the purpose of contaminated site reparation.
Thermal desorption recovery technique in situ can be implemented in situ in contaminated site, the work such as excavate without carrying out to contaminated soil
Industry is mainly made of place In Situ Heating unit, pollutant original position extraction unit and waste water/exhaust gas treatment unit etc..Heap body
Formula thermal desorption recovery technique can then be implemented in contaminated site original place dystopy, by being set to heap on ground after excavating to contaminated soil
Body, then heating unit and extraction unit, and the units such as mating waste water/exhaust-gas treatment simultaneously are laid to heap body.
Heating unit is the core of entire in situ thermal desorption or heap body formula thermal desorption technology, by by electric energy, thermal energy
Either various forms of energy such as chemical energy are with heat transfer heating or steam note after resistance heating, electric heating conversion or burning heat production
It penetrates the modes such as heating and converts or be transferred to Polluted area, so that contaminated soil and/or underground water is gradually heated up and reach target and repair
Rewarming degree simultaneously maintains certain time, removes so as to separate target contaminant from the soil media of script preservation.
Currently, thermal desorption recovery technique in situ or heap body formula thermal desorption technology at home contaminated site repair in engineering
Using still relatively limited, the main reason for limiting its popularization and application, is that the provisional extensive electricity consumption in part place is not easy to obtain
Take, vapor injection heating desorption technology vulnerable to energy cost needed for the limitation of edaphic condition and the target temperature upper limit, heating compared with
The all difficulties such as desorption exhaust gas that is high, generating is not easy to handle.
Summary of the invention
The object of the present invention is to provide a kind of device for contaminated site reparation, for thermal desorption recovery technique in situ or
The heating unit of person's heap body formula thermal desorption recovery technique and the deficiency of exhaust gas treatment unit, being can be using conventional gas fuel as energy
Source is measured, efficiency of energy utilization is high, and system equipment is simple, safe and stable, reliable, has both burning heat production and waste gas heating power burning
The intelligent combustion of processing function handles all-in-one machine, provides stable high-temp combustion flue gas heat source and well for thermal desorption recovery technique
High concentration desorption organic exhaust gas be heat-treated solution.
In order to achieve the above object, the present invention provides a kind of intelligent combustion processing for contaminated site thermal desorption reparation
All-in-one machine, wherein the all-in-one machine includes gas supply unit, combustion air supply unit, exhaust gas import unit of strile-bacing, combustion
Burner, combustion chamber and control cabinet.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the gas supply
Unit include gas supply pipeline, and along combustion gas be passed through direction be successively set on gaspipe road gas shutoff valve,
Decompression valve, gas pressure gage, the other end of gas supply pipeline are located at control cabinet by entering in burner after control cabinet
Interior gaspipe road is equipped with automatic stop valve and hand off valve.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the combustion air
Supply unit includes primary air duct and Secondary Air pipeline；Primary air piping road is equipped with First air access regulating valve and primary air piping
Road blower, primary air duct are connected to atmosphere in the one end for being equipped with First air access regulating valve, and the other end is connected to burner, Secondary Air
Pipeline is equipped with Secondary Air access regulating valve and secondary air duct blower, and Secondary Air pipeline is being equipped with Secondary Air access regulating valve
One end is connected to atmosphere, and the other end is connected to combustion chamber.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the exhaust gas that strile-backs
Import unit includes two pipelines, and the exhaust gas wherein one end access of the first pipeline is strile-backd, the other end and First air access regulating valve
Primary air duct connection between primary wind pipe blower, the exhaust gas that strile-backs, the other end and two are also accessed in one end of the second pipeline
Secondary Air pipeline connection between secondary wind access regulating valve and secondary air duct blower；First pipeline is equipped with the exhaust gas that strile-backs with flame
Cut-in valve, the second pipeline, which is equipped with, strile-backs exhaust gas from flame cut-in valve.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the burner is
The tube-shaped structure of perforation, one end are connect with control cabinet, and the other end is passed through in combustion chamber；The burner is outer equipped with what is be nested with
Pipe and inner tube；Burner outer tube is connected to by its side with primary wind pipe；Gas supply pipeline protrudes into burning from control cabinet
The bottom of inner tube of device is equipped with fuel burner nozzle in the gas supply pipeline end being located in burner inner tube；Burner bottom of inner tube
Exit be with flame combustion zone, at this be equipped with isolating high-pressure ignitor and flame detector；Igniter head of isolating high-pressure ignitor is located at
The control switch in fuel burner nozzle exit, igniting is arranged in control cabinet；The probe setting of flame detector goes out in fuel burner nozzle
The controller of the position opposite with igniter fire head at mouthful, flame detector is arranged in control cabinet.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the gas supply
Pipeline is divided into several branches arranged side by side after entering control cabinet, and each road is respectively equipped with a hand off valve, each branch
It is located at the end in burner inner tube at it and is respectively equipped with a fuel burner nozzle.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the combustion chamber is
Cylindrical tubular structure, one end are connect with burner, and the other end is connected to the heating tube being arranged in the heating soil body, described
Combustion chamber is equipped with one layer of flame retardant coating by its side and Secondary Air pipeline connection, the inner wall surface of combustion chamber；The outlet of burner
End is located in combustion chamber, for from flame combustion zone except the outlet end of burner in combustion chamber.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein on the control cabinet
Equipped with control panel, control panel is equipped with Operation switch region, operation indicating area and ann reset region；Operation switch area
Domain is equipped with the ignition switch of control isolating high-pressure ignitor, and controls the pipe of primary wind pipe blower and secondary air duct blower respectively
Road fan switch；Run the signal designation that indicating area is equipped with display burner flame state and each pipeline fan operating status
Lamp, ann reset region are equipped with audible-visual alarm lamp and igniting reset button.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the control cabinet, it is interior
Portion is equipped with energy supply control module, burner control module, switch control module, pressure difference survey meter, and is located at gas supply pipeline
On automatic stop valve and hand off valve；Energy supply control module is equipped with power switch, contactor, AC/DC power；It opens
Close control module control ignition switch, pipeline fan switch and automatic stop valve；Burner control module is equipped with flame detector
Controller and high-voltage ignition transformer；When flame detector is detected at burner without flame under non-ignition operating condition, flame is visited
It surveys device controller and automatically cuts off gas supply.
The above-mentioned intelligent combustion for the reparation of contaminated site thermal desorption handles all-in-one machine, wherein the pressure difference detection
Instrument is equipped with pressure sensor, and pressure sensor is connected to the outer tube of burner and monitors its internal pressure, the pressure by hose
When not meeting setting value, control cabinet control isolating high-pressure ignitor cannot light a fire, or control cutting gas supply.
It is had the advantage that provided by the present invention for the intelligent combustion processing all-in-one machine of contaminated site thermal desorption reparation
Intelligent combustion processing all-in-one machine of the invention can be converted the chemical energy of gaseous fuel by way of heat production of burning
For thermal energy, directly using the high-temperature flue gas that all-in-one machine burning generates as heat carrier by heat transfer in a manner of to sedentary soil or
Heap body soil is heated, to improve the temperature of contaminated soil and realize the desorption removal of target contaminant.In addition, thermal desorption
The high concentration desorption organic exhaust gas generated in repair process can also be sent into intelligent combustion processing all-in-one machine and carry out flame combustion processing,
Gas combustion also is saved using the chemical energy for the organic pollutant being desorbed out under the premise of completing thermal desorption exhaust gas and being effectively treated
Good energy conservation and consumption reduction effects are realized in the use of material.
Detailed description of the invention
Fig. 1 is the structural schematic diagram that the intelligent combustion for the reparation of contaminated site thermal desorption of the invention handles all-in-one machine.
Fig. 2 is the control panel signal that the intelligent combustion for the reparation of contaminated site thermal desorption of the invention handles all-in-one machine
Figure.
Fig. 3 is that the intelligent combustion for the reparation of contaminated site thermal desorption of the invention handles electricity inside the control cabinet of all-in-one machine
Lu Tu.
Wherein: 1, gas shutoff valve；2, decompression valve；3, gas pressure gage；4, automatic stop valve；5, hand off
Valve；6, burner；7, First air accesses regulating valve；8, primary wind pipe blower；9, Secondary Air accesses regulating valve；10, Secondary Air
Pipeline fan；11, combustion chamber；12, the exhaust gas that strile-backs matches flame cut-in valve；13, exhaust gas is strile-backd from flame cut-in valve；14, inner tube；15, it burns
Mouth；16, outer tube；17, match flame combustion zone；18, igniter；19, flame detector；20, from flame combustion zone；21, flame retardant coating；22,
Energy supply control module；23, burner control module；24, pressure sensor；25, Operation switch region；26, indicating area is run；
27, ann reset region；28, switch control module.
Specific embodiment
A specific embodiment of the invention is further described below in conjunction with attached drawing.
As shown in Figure 1, the intelligent combustion provided by the present invention for contaminated site thermal desorption reparation handles all-in-one machine, include
Gas supply unit, combustion air supply unit, exhaust gas import unit of strile-bacing, burner 6, combustion chamber 11 and control cabinet.
Gas supply unit includes gas supply pipeline, and is passed through direction along combustion gas and is successively set on gas supply pipeline
On gas shutoff valve 1, decompression valve 2, gas pressure gage 3, the other end of gas supply pipeline after control cabinet by entering
In burner 6, the gaspipe road in control cabinet is equipped with automatic stop valve 4 and hand off valve 5.Automatic stop valve
4 can handle the abnormal conditions encountered in all-in-one machine operation according to intelligent combustion automatically cuts off gas supply.External gas source pipe
It is connect through gas shutoff valve 1 with decompression valve 2, then is sent into burner 6 through gas supply pipeline.Gaspipe road is equipped with
Automatic stop valve 4, is placed in control cabinet, and the abnormal conditions encountered in all-in-one machine operation can be handled according to intelligent combustion and are cut automatically
Disconnected gas supply, it is ensured that equipment safety.Gas flow can be adjusted by decompression valve 2.
Combustion air supply unit includes primary air duct and Secondary Air pipeline；Primary air piping road is equipped with First air access
Regulating valve 7 and primary wind pipe blower 8, primary air duct is connected to atmosphere in the one end for being equipped with First air access regulating valve 7, another
End connection burner 6, secondary air channel road are equipped with Secondary Air access regulating valve 9 and secondary air duct blower 10, Secondary Air pipeline
It is connected to atmosphere in the one end for being equipped with Secondary Air access regulating valve 9, the other end is connected to combustion chamber 11.Combustion air is through primary air duct
It is sent into burner 6, combustion chamber 11 is sent into through Secondary Air pipeline and helps fuel gas buring.Combustion air is sent into through primary air duct to burn
Device 6 is sent into combustion chamber 11 through Secondary Air pipeline.Combustion air can be both sent by pipeline fan positive pressure and be formed in burner 6
Pressure combustion, the negative pressure that the High-temp. smoke-exhausting fan operation that can also be arranged by thermal desorption unit generates suck and at burner 6
Form negative-pressure firing.The start and stop of pipeline fan can be operated manually by the Operation switch on control cabinet.Combustion air flow
It can be adjusted by decompression valve 2.Compared to negative-pressure firing, pressure combustion can often obtain higher flue-gas temperature, and positive pressure is high
Warm flue gas has stronger turbulence state, and the capacity of heat transmission is stronger.
Exhaust gas import unit of strile-bacing includes two pipelines, wherein one end access of the first pipeline is strile-backd exhaust gas, the other end with
First air accesses the primary air duct connection between regulating valve 7 and primary wind pipe blower 8, and organic exhaust gas is desorbed with First air one
It rises and enters handling with flame flame combustion for the formation organic exhaust gas of burner 6.The exhaust gas that strile-backs also is accessed in one end of second pipeline, another
Organic exhaust gas is desorbed with two in Secondary Air pipeline connection between end and Secondary Air access regulating valve 9 and secondary air duct blower 10
Secondary wind enters combustion chamber 11 together and forms handling from flame flame combustion for organic exhaust gas.First pipeline is equipped with the exhaust gas that strile-backs with flame
Cut-in valve 12, the second pipeline, which is equipped with, strile-backs exhaust gas from flame cut-in valve 13.Two desorptions accessed in the pipeline for the exhaust gas that strile-backs have
Machine exhaust gas flow can be according to actual conditions such as waste gas humidity, organic substance concentrations by the access valve regulation on respective pipeline, this
Kind design can not only realize that stablizing for burner 6 was burnt, but also desorption organic exhaust gas can be allowed as much as possible in high temperature section completion heating power
Burning processing, improves exhaust treatment efficiency.
Burner 6 is the tube-shaped structure of perforation, and one end is connect with control cabinet, and the other end is passed through in combustion chamber 11；Burning
Device 6 is equipped with the outer tube 16 being nested with and inner tube 14；6 outer tube 16 of burner is connected to by its side with primary wind pipe；Gas supply
Pipeline protrudes into 14 bottom of inner tube of burner 6 from control cabinet, in the gas supply pipeline end being located in 6 inner tube 14 of burner
Equipped with fuel burner nozzle 15；The exit of 6 inner tube of burner, 14 bottom is that isolating high-pressure ignitor 18 is equipped at this with flame combustion zone 17
With flame detector 19；Igniter head of isolating high-pressure ignitor 18 is located at 15 exit of fuel burner nozzle, and the control switch setting of igniting exists
Manual ignition in control cabinet, for burner 6.The probe of flame detector 19 15 exit of fuel burner nozzle is set with point
The opposite position of 18 igniter head of firearm, for detecting whether have flame combustion at burner 6, the controller of flame detector 19 is set
It sets in control cabinet.
It, can be according to fuel burner nozzle after the subsequent gas supply pipeline of gas supply unit automatic stop valve 4 enters control cabinet
15 quantity is divided into several branches arranged side by side, preferably 3 branches.Each road is respectively equipped with a hand off valve 5, often
A branch is located at the end in 6 inner tube 14 of burner at it and is respectively equipped with a fuel burner nozzle 15.Combustion gas is via gaspipe
Road released by the gas outlet of fuel burner nozzle 15 and contacted with surrounding combustion air mixing after by being placed in fuel burner nozzle
18 igniter head ignition of igniter in 15 exits.The burner 6 of more burners 15 can opening by branch road hand off valve 5
It closes and adjusts burning load in the larger context.
Combustion chamber 11 is located at 6 lower section of burner, and combustion chamber 11 is cylindrical tubular structure, and one end is connect with burner 6,
The other end is connected to the heating tube being arranged in the heating soil body, and combustion chamber 11 passes through its side and Secondary Air pipeline connection, burning
The inner wall surface of room 11 is equipped with the flame retardant coating 21 that a floor is made of refractory material；The outlet end of burner 6 is located in combustion chamber 11,
For from flame combustion zone 20 except the outlet end of burner 6 in combustion chamber 11.Combustion flame is continual and steady in combustion chamber 11
It burns and generates high-temperature flue gas.Refractory material inside combustion chamber 11 has that recovery electric heating system is strong, performance of poor thermal conductivity, can play
Good insulation effect prevents the loss of heat, and can maintain relatively high stable 11 temperature of combustion chamber, it is ensured that de-
The stable flame combustion processing of attached organic exhaust gas.
Control cabinet is equipped with control panel, and control panel is equipped with Operation switch region 25, operation indicating area 26 and report
Alert reset region 27；Operation switch region 25 is equipped with the ignition switch of control isolating high-pressure ignitor 18, and controls First air respectively
The pipeline fan of pipeline fan 8 and secondary air duct blower 10 switch；It runs indicating area 26 and is equipped with display 6 flamboyancy of burner
The signal lamp of state and each pipeline fan operating status, ann reset region 27 are equipped with audible-visual alarm lamp and press with igniting reset
Button.Ignition switch is used to manually control the operation of igniter 18 in burner 6.Pipeline fan switch is used for start and stop First air, two
Secondary air piping blower 10 switches positive/negative-pressure combustion state.It is shown in Figure 2.
Energy supply control module 22, burner control module 23, switch control module 28, pressure difference detection are equipped with inside control cabinet
Instrument, and automatic stop valve 4 positioned at gaspipe road and hand off valve 5 etc.；Energy supply control module 22 is equipped with power supply
Switch, contactor, AC/DC power；Switch control module 28 controls ignition switch, pipeline fan switch, and cuts automatically
Disconnected valve 4；Burner control module 23 is equipped with 19 controller of flame detector and high-voltage ignition transformer；Flame detector 19 is for visiting
Whether survey at burner 6 has flame combustion, when flame detector 19 is detected at burner 6 without flame under non-ignition operating condition,
19 controller of flame detector automatically cuts off gas supply.Control cabinet can be opened, and the component being arranged inside and outside is all made of existing
Some model devices, circuit diagram are shown in Figure 3.
Pressure difference survey meter is equipped with pressure sensor 24, and pressure sensor 24 is connected to by hose with the outer tube 16 of burner 6
And its internal pressure is monitored, when which does not meet setting value, control cabinet control isolating high-pressure ignitor 18 cannot light a fire, or control is cut
Disconnected gas supply.That is, pressure difference survey meter is by detection burner 6 and the pressure difference of exterior space has analysed whether combustion air
Normal intelligent combustion of being sent into handles all-in-one machine, the intelligent combustion processing one when detecting the pressure difference signal for not meeting design requirement
Machine will be unable to light a fire or will automatically cut off gas supply.
One is handled to the intelligent combustion provided by the present invention for contaminated site thermal desorption reparation below with reference to embodiment
Machine is further described.
Embodiment 1
A kind of intelligent combustion for contaminated site thermal desorption reparation handles all-in-one machine, mainly by gas supply unit, help
The facilities such as air supply unit, exhaust gas import unit of strile-bacing, burner 6, combustion chamber 11 and control cabinet are fired to constitute.
(1) gas supply unit.
Combustion gas successively passes through gas shutoff valve 1, decompression valve 2, gas pressure gage 3, and control from combustion gas supply line
Automatic stop valve 4 and gas supply branch hand off valve 5 in cabinet processed are delivered to intelligent combustion processing all-in-one machine.Combustion gas cut-off
Valve 1 is manually operated, normally opened at runtime, and system is closed or remained turned-off when overhauling, the connection of cutting and gas supply pipeline；Combustion
Atmospheric pressure is adjusted to zone of reasonableness by decompression valve 2, and pressure value is shown by gas pressure gage 3；It is adjusted to be suitble to pressure
Combustion gas automatically controls on-off through automatic stop valve 4, is then divided into road, corresponds respectively with each burner 15, and there are one on every road
A hand off valve 5 is selected 15 quantity of burner of access operation by manual operation, is finally delivered to burner 6.
(2) combustion air supply unit.
Combustion air is divided into First air and Secondary Air, and First air is by First air access regulating valve 7 and primary wind pipe wind
Machine 8 enters burner 6；Secondary Air enters combustion chamber 11 by Secondary Air access regulating valve 9 and secondary air duct blower 10.Its
In, the additional amount of First air accesses regulating valve 7 by First air and is manually adjusted, to realize the stabilization after the igniting of burner 6
It burns and strile-backs exhaust gas completely burned as far as possible；The additional amount of Secondary Air accesses regulating valve 9 by Secondary Air and adjusts, to realize
The further burning of combustion gas and the exhaust gas that strile-backs reduces the discharge amount of combustion intermediate product in flue gas.
Primary wind pipe blower 8 and secondary air duct blower 10 are by the switch control start and stop on control cabinet panel, and one
When secondary air piping blower 8 starts, First air positive pressure is sent into burner 6, and First air and combustion gas form stronger turbulence state, and
Pressure combustion is formed after igniting, to obtain higher flue-gas temperature, forms the stronger capacity of heat transmission；Secondary air duct blower 10
When starting, Secondary Air positive pressure is sent into combustion chamber 11, and Secondary Air and combustion flame form pressure combustion, so that burning is more complete,
Reduce the discharge amount of combustion intermediate product in flue gas；When primary wind pipe blower 8 and secondary air duct blower 10 stop, First air
Pass through the negative pressure sucking that the operation of combustion product gases system end High-temp. smoke-exhausting fan generates with Secondary Air and each comfortable burner 6 with
Negative-pressure firing is formed in combustion chamber 11.
(3) it strile-backs exhaust gas import unit.
The supply of the corresponding combustion air of importing of exhaust gas of strile-bacing is divided into two-way, carries out selection switching according to operating condition and leads
Enter path.The exhaust gas that strile-backs is located at primary air duct with flame cut-in valve 12, and organic exhaust gas is desorbed with First air and enters burner 6
It lights to form handling with flame flame combustion for organic exhaust gas after being sufficiently mixed with combustion gas, realizes that higher ignition temperature and burning are imitated
Rate；The exhaust gas that strile-backs from flame cut-in valve 13 is located at Secondary Air pipeline, organic exhaust gas be directly entered burner 6 with flame burning if there is
Unstable situation then makes desorption organic exhaust gas enter combustion chamber 11 with Secondary Air and forms firing from flame heating power for organic exhaust gas
Burning processing.Carrying out the flow proportional with flame flame combustion and the organic exhaust gas from flame flame combustion can be by respective access
Valve is adjusted.
(4) burner 6.
Burner 6 divides for internal and external casing, and a fuel burner nozzle 15 is arranged in 6 inner tube 14 of burner, respectively with gas supply list
Member is connected, and passes through the number of burner 15 of the manual operation selection access burning operation with the one-to-one hand off valve 5 of burner 15
Amount；6 outer tube of burner, 16 side is equipped with First air access conduit.
6 inner tube of burner, 14 exit is isolating high-pressure ignitor 18 and flame detector 19 to be arranged, respectively with flame combustion zone 17
The function of realizing high-tension ignition and flame detecting stablizes burning with the mixed gas after flame after lighting a fire, passes through flame detector
19 feedback combustion state signals.
(5) combustion chamber 11.
Combustion chamber 11 is cylindrical shape, and side is equipped with Secondary Air access conduit.Burner 6 is being matched with the mixed gas after flame
Flame combustion zone 17 forms flame stabilization burning, Secondary Air and the desorption entered from secondary air channel pass after lighting a fire in combustion chamber 11
Exhaust gas contacting from flame combustion zone 20 with combustion flame in combustion chamber 11 realizes completely burned, the height generated in combustion chamber 11
Warm flue gas passes through the negative pressure introducing that the operation of thermal desorption repair system end High-temp. smoke-exhausting fan generates and is set to adding for the heating soil body
In heat pipe, conduction heat exchange indirectly is carried out, realizes thermal desorption repair process.
11 inner wall of combustion chamber maintains 11 Flame of combustion chamber to burn steady with flue-gas temperature with a circle fire resisting heat-storing material
It is fixed.
(6) control cabinet.
It include energy supply control module 22, burner control module 23, switch control module 28, pressure sensor inside control cabinet
24 with gas supply automatic stop valve 4 and hand off valve 5 etc..Energy supply control module 22 includes power switch, contactor, exchange
The components such as DC power, for providing and controlling the power supply of each electrical component；Burner control module 23 includes flame detecting
Controller and high-voltage ignition transformer etc. are fed back for intelligent control combustion ignition and state；Pressure sensor 24 passes through hose
It is connect with 6 outer tube 16 of burner, and monitors its internal pressure situation, the range such as 6 outer tube of burner, 16 pressure beyond setting, then
Judge that the supply of combustion air is abnormal, ignition condition cannot be reached, or gas supply will be cut off.
Control cabinet panel is divided into a region, respectively Operation switch region 25, operation indicating area 26 and ann reset area
Domain 27.Operation switch region 25 includes that ignition switch and pipeline fan switch；It runs indicating area 26 and mainly shows burner 6
The operating status of flame status and each pipeline fan；Alarm includes audible-visual alarm lamp and igniting reset button with reset region.
The operation operational process that the intelligent combustion handles all-in-one machine is as follows:
Under flameout state, after clicking " ignition switch ", 6 outer tube 16 of burner that control cabinet is monitored according to pressure sensor 24
Pressure condition judges whether to meet ignition condition, after meeting ignition condition, opens automatic stop valve 4 and completes gas supply, then
Isolating high-pressure ignitor 18 carries out high-tension ignition movement, feeds back combustion state signal by flame detector 19.
Under fired state, after clicking " ignition switch ", closes automatic stop valve 4 and cut off gas supply, burner 6 is flame-out.
When igniting 6 outer tube of burner, 16 pressure condition be unsatisfactory for after ignition condition, high-tension ignition without formed stablize flame,
The situations such as automatic distinguishing in flame operation, system record malfunction, cutting automatic stop valve 4.
System fault condition still retains after power-off and recovery, and need to be looked into reason and press " igniting resets " manually can
It is lighted a fire next time.
Automatic stop valve 4 is power-off self-closing valve.
All-in-one machine is handled provided by the present invention for the intelligent combustion of contaminated site thermal desorption reparation, is de- for in-situ heat
The deficiency of the heating unit and exhaust gas treatment unit of attached recovery technique or heap body formula thermal desorption recovery technique, a kind of energy of research and development
Enough using conventional gas fuel as energy source, efficiency of energy utilization is high, and system equipment is simple, safe and stable, reliable, has both combustion
The intelligent combustion for burning heat production and waste gas heating power burning processing function handles all-in-one machine, and stable height is provided for thermal desorption recovery technique
Warm combustion product gases heat source and good high concentration desorption organic exhaust gas are heat-treated solution.All-in-one machine is handled in intelligent combustion
Interior, combustion gas is contacted with combustion air through burner, by, in combustion chamber continued stable combustion, generating high-temperature flue gas after igniter fire
Thermal desorption repair system is sent into carry out conducting to exchange heat indirectly using.The desorption organic exhaust gas that thermal desorption repair system generates can be through intelligence
It can burn and handle the exhaust gas import unit feeding combustion chamber progress flame combustion processing of strile-bacing of all-in-one machine.
It is discussed in detail although the contents of the present invention have passed through above preferred embodiment, but it should be appreciated that above-mentioned
Description is not considered as limitation of the present invention.After those skilled in the art have read above content, for of the invention
A variety of modifications and substitutions all will be apparent.Therefore, protection scope of the present invention should be limited to the appended claims.
Claims (10)
1. a kind of intelligent combustion for contaminated site thermal desorption reparation handles all-in-one machine, which is characterized in that the all-in-one machine
Comprising gas supply unit, combustion air supply unit, strile-back exhaust gas import unit, burner, combustion chamber and control cabinet.
2. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the gas supply unit includes gas supply pipeline, and is passed through direction along combustion gas and is successively set on gaspipe
Gas shutoff valve, decompression valve, the gas pressure gage of road, the other end of gas supply pipeline is by entering combustion after control cabinet
In burner, the gaspipe road in control cabinet is equipped with automatic stop valve and hand off valve.
3. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the combustion air supply unit includes primary air duct and Secondary Air pipeline；Primary air piping road connects equipped with First air
Enter regulating valve and primary wind pipe blower, primary air duct is connected to atmosphere in the one end for being equipped with First air access regulating valve, another
End connection burner, secondary air channel road is equipped with Secondary Air access regulating valve and secondary air duct blower, Secondary Air pipeline are being set
There is one end connection atmosphere of Secondary Air access regulating valve, the other end is connected to combustion chamber.
4. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In, the described exhaust gas import unit of strile-bacing includes two pipelines, the exhaust gas wherein one end access of the first pipeline is strile-backd, the other end with
First air accesses the primary air duct connection between regulating valve and primary wind pipe blower, and one end of the second pipeline, which is also accessed, strile-backs
Exhaust gas, the Secondary Air pipeline connection between the other end and Secondary Air access regulating valve and secondary air duct blower；On first pipeline
Equipped with the exhaust gas that strile-backs with flame cut-in valve, the second pipeline, which is equipped with, strile-backs exhaust gas from flame cut-in valve.
5. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the burner is the tube-shaped structure of perforation, and one end is connect with control cabinet, and the other end is passed through in combustion chamber；Described
Burner is equipped with the outer tube being nested with and inner tube；Burner outer tube is connected to by its side with primary wind pipe；Gas supply pipeline
The bottom of inner tube that burner is protruded into from control cabinet is burnt in the gas supply pipeline end being located in burner inner tube equipped with combustion gas
Mouth；The exit of burner bottom of inner tube is that isolating high-pressure ignitor and flame detector are equipped at this with flame combustion zone；High pressure spot
Igniter head of firearm is located at fuel burner nozzle exit, and the control switch of igniting is arranged in control cabinet；The probe of flame detector
The position opposite with igniter fire head in fuel burner nozzle exit is set, and the controller of flame detector is arranged in control cabinet
It is interior.
6. the intelligent combustion according to claim 5 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the gas supply pipeline is divided into several branches arranged side by side after entering control cabinet, and each road is respectively equipped with a hand
Dynamic stop valve, each branch are located at the end in burner inner tube at it and are respectively equipped with a fuel burner nozzle.
7. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
It is cylindrical tubular structure in, the combustion chamber, one end connect with burner, and the other end heats in the soil body with being arranged in
Heating tube connection, by its side and Secondary Air pipeline connection, the inner wall surface of combustion chamber is resistance to equipped with one layer for the combustion chamber
Fire bed；The outlet end of burner is located in combustion chamber, for from flame combustion zone except the outlet end of burner in combustion chamber.
8. the intelligent combustion according to claim 1 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the control cabinet is equipped with control panel, and it is multiple that control panel is equipped with Operation switch region, operation indicating area and alarm
Position region；Operation switch region be equipped with control isolating high-pressure ignitor ignition switch, and respectively control primary wind pipe blower and
The pipeline fan of secondary air duct blower switchs；It runs indicating area and is equipped with display burner flame state and each pipeline fan
The signal lamp of operating status, ann reset region are equipped with audible-visual alarm lamp and igniting reset button.
9. the intelligent combustion according to claim 8 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In, the control cabinet, inside is equipped with energy supply control module, burner control module, switch control module, pressure difference survey meter, with
And automatic stop valve and hand off valve positioned at gaspipe road；Energy supply control module be equipped with power switch, contactor,
AC/DC power；Switch control module controls ignition switch, pipeline fan switch and automatic stop valve；Burner control
Module is equipped with flame detector controller and high-voltage ignition transformer；Flame detector detects burner under non-ignition operating condition
When place is without flame, flame detector controller automatically cuts off gas supply.
10. the intelligent combustion according to claim 9 for the reparation of contaminated site thermal desorption handles all-in-one machine, feature exists
In the pressure difference survey meter is equipped with pressure sensor, and pressure sensor is connected to and is monitored with the outer tube of burner by hose
Its internal pressure, when which does not meet setting value, control cabinet control isolating high-pressure ignitor cannot light a fire, or control cutting combustion gas supplies
It answers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666745.4A CN110340127A (en) | 2019-07-23 | 2019-07-23 | A kind of intelligent combustion processing all-in-one machine for contaminated site thermal desorption reparation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910666745.4A CN110340127A (en) | 2019-07-23 | 2019-07-23 | A kind of intelligent combustion processing all-in-one machine for contaminated site thermal desorption reparation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665952A (en) * | 2019-10-29 | 2020-01-10 | 中冶南方都市环保工程技术股份有限公司 | Energy-saving type organic contaminated soil in-situ thermal desorption remediation system and method |
| CN114151793A (en) * | 2021-11-30 | 2022-03-08 | 吴东海 | Centralized full-combustion heat restoration intelligent combustor based on gas heat conduction |
-
2019
- 2019-07-23 CN CN201910666745.4A patent/CN110340127A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110665952A (en) * | 2019-10-29 | 2020-01-10 | 中冶南方都市环保工程技术股份有限公司 | Energy-saving type organic contaminated soil in-situ thermal desorption remediation system and method |
| CN114151793A (en) * | 2021-11-30 | 2022-03-08 | 吴东海 | Centralized full-combustion heat restoration intelligent combustor based on gas heat conduction |
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Address after: 200001 floor 26, Gangtai Plaza, 700 Yan'an East Road, Huangpu District, Shanghai Applicant after: SHANGHAI GREENMENT ENVIRONMENTAL TECHNOLOGIES CO. L Address before: 200083 Room 203, building 5, No. 500, Memorial Road, Hongkou District, Shanghai Applicant before: SHANGHAI GREENMENT ENVIRONMENTAL TECHNOLOGIES CO. L |
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Application publication date: 20191018 |