CN108746179A - A kind of combustion chamber and its combustion method for modularization soil demercuration - Google Patents
A kind of combustion chamber and its combustion method for modularization soil demercuration Download PDFInfo
- Publication number
- CN108746179A CN108746179A CN201810780445.4A CN201810780445A CN108746179A CN 108746179 A CN108746179 A CN 108746179A CN 201810780445 A CN201810780445 A CN 201810780445A CN 108746179 A CN108746179 A CN 108746179A
- Authority
- CN
- China
- Prior art keywords
- burning
- combustion chamber
- burner
- group
- plate group
- 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.)
- Pending
Links
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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C3/00—Combustion apparatus characterised by the shape of the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C5/00—Disposition of burners with respect to the combustion chamber or to one another; Mounting of burners in combustion apparatus
- F23C5/08—Disposition of burners
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
- F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
- F23N5/022—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using electronic means
Abstract
The invention discloses a kind of combustion chamber for modularization soil demercuration and its combustion methods, including burning cavity, gas burner and chimney, it is connected with chimney at the top of burning cavity, gas burner uses three, it is removably mounted on burning cavity right end, front-end and back-end bottom respectively, right end gas burner face center, front and back end tilt towards burning cavity left end and keep interlaced arrangement.The interlaced arrangement mode of gas burner in combustion chamber of the present invention, one is arranged in combustion chamber and feeds one end, the another two sets front and back sides being in tilted layout in combustion chamber that are staggered, it can ensure that the turbulent flow that hot-air is formed in combustion chamber in combustion chamber operational, to ensure principal screw conveyor lengths and width direction are heated in combustion chamber uniformity, principal screw conveyer so as to be conveyed to contaminated soil is evenly heated, and the contaminated soil of conveying is heated evenly, and demercuration effect is more preferable.
Description
Technical field
The invention belongs to remove soil pollution equipment technical field, and in particular to a kind of combustion for modularization soil demercuration
Burn room and its combustion method.
Background technology
Due to the unique physical property of mercury and toxicity, it is set to be widely used in industry and agricultural, but the past is without place
The mercurous waste managed with regard to outer row causes seriously to pollute to environment.Dried wet deposition, sewage irrigation, the sludge of Mercury In The Air apply fertilizer and contain
The accumulation of mercury solid waste, the use of organomercury pesticide and mercurous chemical fertilizer are all that mercury enters the main artificial next of soil environment
Source.Since these pollution sources are a contact scar source mostly, therefore it is uneven pollution for soil environment, in some areas soil
Mercury pollution may be quite serious.
From phase early 1960s, Japan has found since " minamata disease ", the whole world to the harm pay attention to day by day of mercury pollution,
And start the upsurge of mercury pollution research.Hg can enter soil environment by different approaches, anti-by complicated physics, chemistry
It answers, it is most of to be detained in the soil with various forms, the pollution of surface water and groundwater is caused, meanwhile, mercury can also pass through crop
Edible part enters food chain, and gradually accumulates, to finally constitute a threat to health.The arable land that China is polluted by Hg
Area has 3.2 × 104hm2, " the mercury rice " that generates every year is up to 1.9 × 108Kg, therefore the improvement of Soil Mercury Pollution and reparation are compeled
In the eyebrows and eyelashes.
It is uneven that there are heats for the combustion chamber of existing soil demercuration equipment, can not be to the contaminated soil in transmission process
Conveying equipment is evenly heated, and causes contaminated soil uneven heating, demercuration effect poor.
Invention content
Present invention solves the technical problem that being：A kind of combustion chamber and its burning side for modularization soil demercuration is provided
Method, even heat, contaminated soil homogeneous heating, to solve above-mentioned problems of the prior art.
The technical solution that the present invention takes is：A kind of combustion chamber for modularization soil demercuration, including burning cavity, combustion
Air burner and chimney, burning cavity top are connected with chimney, and gas burner uses three, is removably mounted on combustion respectively
Burn cavity right end, front-end and back-end bottom, right end gas burner face center, front and back end tilted towards burning cavity left end and
Keep interlaced arrangement.
Preferably, the heat sink being equipped in above-mentioned burning cavity above gas burner, heat sink pass through connecting rod
It is articulated on hook, hook is fixedly connected on principal screw conveyer.
Preferably, above-mentioned burning cavity includes preceding board group, rear board group, left plate group, right panel group, top plate group and bottom plate group, preceding
Board group, rear board group, left plate group, right panel group are fixedly connected with the flat frame-shaped construction of strip, and top plate group and bottom plate group are fixedly connected on frame
Type structure upper and lower side, preceding board group, rear board group, left plate group, right panel group, top plate group and bottom plate group are hollow structure, are internally provided with
The insulating layer that ceramic fiber cotton makes.
A kind of combustion method of combustion chamber for modularization soil demercuration, includes the following steps：
（1）Combustion chamber furnace lifting heats up the first stage, and three burner furnace lifting burnings control right end burner at 200 DEG C later
Stopping burning, starts burning at 150 DEG C, rear side burner stops burning at 500 DEG C, starts burning at 450 DEG C,
Stop burning at 550 DEG C, front side burner starts burning at 500 DEG C；
（2）In the first stage after furnace lifting heating half an hour, control right end burner stops burning at 300 DEG C, is opened at 250 DEG C
Dynamic burning, carry out second stage opens stove heating operation；
（3）After second stage furnace lifting heats up half an hour, control right end burner stops burning at 400 DEG C, is opened at 350 DEG C
Dynamic burning, carry out the phase III opens stove heating operation；
（4）After phase III furnace lifting heats up half an hour, control right end burner stops burning at 470 DEG C, is opened at 420 DEG C
Dynamic burning, carry out fourth stage opens stove heating operation；
（5）After fourth stage furnace lifting heats up half an hour, opens stove heating operation and complete, control the unlatching load of principal screw conveyer
It is the 15% of total load.
Beneficial effects of the present invention：Compared with prior art, effect of the invention is as follows：
（1）The interlaced arrangement mode of gas burner in combustion chamber of the present invention, one is arranged in combustion chamber and feeds one end, another two sets
Be staggered inclination（45°）The front and back sides of combustion chamber are arranged in, can ensure that in combustion chamber operational and form hot-air in combustion chamber
Turbulent flow, to ensure principal screw conveyor lengths and width direction are heated in combustion chamber uniformity, so as to contaminated soil
The principal screw conveyer of conveying is evenly heated, and the contaminated soil of conveying is heated evenly, and demercuration effect is more preferable；
（2）Heat sink is set, and above gas burner flame below principal screw conveyer, is worked in gas burner
When, hot-air diffuses up after being stopped by heat sink, to ensure that heat sink superjacent air space is heated evenly；
（3）The burning cavity of the flat frame-shaped construction of strip, convenient for arrangement principal screw conveyer, it is ensured that heating temperature length and Polluted Soil
The residence time of earth, demercuration processing is more thorough, the insulating layer of ceramic fiber cotton is arranged, it can be ensured that combustion chamber external temperature does not surpass
60 DEG C are crossed, energy consumption is effectively reduced.
Description of the drawings
Fig. 1 is mercury removal device structural schematic diagram；
Fig. 2 is mercury removal device left view structural representation；
Fig. 3 is A-A schematic cross-sectional views in Fig. 1；
Fig. 4 is B-B schematic cross-sectional views in Fig. 1；
Fig. 5 is chamber structure schematic diagram；
Fig. 6 is A-A schematic cross-sectional views in Fig. 5；
Fig. 7 is combustion chamber overlooking structure diagram；
Fig. 8 is that schematic cross-sectional view is overlooked in combustion chamber；
Fig. 9 is principal screw conveyer structural schematic diagram；
Figure 10 is principal screw conveyer overlooking structure diagram；
Figure 11 is principal screw conveyer left view structural representation；
Figure 12 is principal screw conveyer and one attachment structure schematic diagram of driving motor；
Figure 13 is driving motor one and motor fixing frame side structure schematic view；
Figure 14 is inclined screw conveyor structural schematic diagram；
Figure 15 is the theory structure schematic diagram of mercury removal device.
Specific implementation mode
Below in conjunction with the accompanying drawings and the present invention is described further in specific embodiment.
Embodiment 1：As shown in figures 5-9, a kind of combustion chamber for modularization soil demercuration, the combustion chamber 1 include burning
Cavity 101, gas burner 102 and chimney 103,101 top of burning cavity are connected with chimney 103, and gas burner 102 uses
Three, it is removably mounted on 101 right end of burning cavity, front-end and back-end bottom, the 102 positive centering of right end gas burner respectively
The heart, front and back end tilt towards 101 left end of burning cavity and interlaced arrangement, 101 front and back sides of burning cavity are kept to be provided with maintenance
Door 114 and multiple observation windows 116, to facilitate the maintenance to combustion chamber and check, 101 front side of burning cavity is provided with up and down
Two rows of thermocouples 115, two rows of thermocouples 115 are located at 2 upper and lower of principal screw conveyer, defeated to detect and monitor principal screw
Send machine heated whether uniformly and whether automatically control burner operation, fuel is supplied to the burner air inlet of system, and fuel arrives
The pressure of burner air inlet drops to 20-50mbar, and fuel uses acetylene fuel.
Preferably, three blocks of refractory materials being equipped in above-mentioned burning cavity 101 above 102 flame of gas burner
The heat sink 104 of manufacture, heat sink 104 are articulated to by connecting rod 105 on hook 106, and it is defeated that hook 106 is fixedly connected on principal screw
Machine 2 is sent, in burner operation, hot-air diffuses up after being stopped by heat sink, to ensure that heat sink superjacent air space is heated equal
It is even.
Preferably, above-mentioned burning cavity 101 is cuboid, and size is the ㎜ of ㎜ × 1850 of 4000 ㎜ × 1000, including foreboard
Group 107, rear board group 108, left plate group 109, right panel group 110, top plate group 111 and bottom plate group 112, preceding board group 107, rear board group 108,
Left plate group 109, right panel group 110 are fixedly connected with the flat frame-shaped construction of strip, and top plate group 111 and bottom plate group 112 are fixedly connected on frame
Type structure upper and lower side, during preceding board group 107, rear board group 108, left plate group 109, right panel group 110, top plate group 111 and bottom plate group 112 are
Hollow structure is internally provided with the insulating layer 113 of ceramic fiber cotton making, insulation layer thickness 150mm, 101 top of burning cavity
Left side is provided with the connecting tube 117 of the flanged disk of connection chimney, and top right side is provided with the two through hole for penetrating pipeline, intercommunicating pore
On be provided with sealing gland 118.
Embodiment 2：A kind of combustion method of combustion chamber for modularization soil demercuration, includes the following steps：
（1）Combustion chamber furnace lifting heats up the first stage, and three burner furnace lifting burnings control right end burner at 200 DEG C later
Stopping burning, starts burning at 150 DEG C, rear side burner stops burning at 500 DEG C, starts burning at 450 DEG C,
Stop burning at 550 DEG C, front side burner starts burning at 500 DEG C；
（2）In the first stage after furnace lifting heating half an hour, control right end burner stops burning at 300 DEG C, is opened at 250 DEG C
Dynamic burning, carry out second stage opens stove heating operation；
（3）After second stage furnace lifting heats up half an hour, control right end burner stops burning at 400 DEG C, is opened at 350 DEG C
Dynamic burning, carry out the phase III opens stove heating operation；
（4）After phase III furnace lifting heats up half an hour, control right end burner stops burning at 470 DEG C, is opened at 420 DEG C
Dynamic burning, carry out fourth stage opens stove heating operation；
（5）After fourth stage furnace lifting heats up half an hour, opens stove heating operation and complete, control the unlatching load of principal screw conveyer
It is the 15% of total load.
Embodiment 3：As shown in Fig. 1-Figure 15, a kind of modularization soil mercury removal device, including combustion chamber 1, principal screw conveying
Machine 2, inclined screw conveyor 3, heat exchanger 4 and adsorbent equipment 5, principal screw conveyer 2 are across combustion chamber 1 and removably solid
Surely it is connected on combustion chamber 1,2 arrival end of principal screw conveyer is connected to hopper 7 by feed pipe 6, and outlet end is removably
Inclined screw conveyor 3 is connected, hopper 7 is detachably connected in braced frame 8, and braced frame 8 is detachably connected to collect
9 top of vanning, combustion chamber 1 is removably mounted in container 9,3 discharge end of inclined screw conveyor stretch out container 9 and with
It is removably secured, and heat exchanger 4 is detachably connected in braced frame 8, and import penetrates combustion chamber 1 by pipeline and connects
Onto principal screw conveyer 2, outlet is connected to adsorbent equipment 5 by pipeline, and adsorbent equipment 5 is securely removably connected at support
On frame 8,8 top of braced frame is provided with rain-proof shelter, and side is provided with stair 14, and guardrail 15 is provided with by stair 14, support
8 bottom of frame is provided with grid.
Preferably, as shown in figures 5-9, above-mentioned combustion chamber 1 includes burning cavity 101, gas burner 102 and chimney 103,
101 top of burning cavity is connected with chimney 103, and gas burner 102 uses three, is removably mounted on burning cavity respectively
101 right ends, front-end and back-end bottom, 102 face center of right end gas burner, front and back end is inclined towards 101 left end of burning cavity
Tiltedly and interlaced arrangement, 101 front and back sides of burning cavity is kept to be provided with maintenance door 114 and multiple observation windows 116, to facilitate to combustion
It burns the maintenance of chamber interior and checks, 101 front side of burning cavity is provided with two rows thermocouple 115, and two rows of thermocouples 115 are distinguished
Positioned at 2 upper and lower of principal screw conveyer, to detect and monitor, principal screw conveyer is heated whether uniformly and automatically controls burning
Whether device works, fuel is supplied to the burner air inlet of system, and the pressure of fuel to burner air inlet drops to 20-
50mbar, fuel use acetylene fuel.
Preferably, three blocks of refractory materials being equipped in above-mentioned burning cavity 101 above 102 flame of gas burner
The heat sink 104 of manufacture, heat sink 104 are articulated to by connecting rod 105 on hook 106, and it is defeated that hook 106 is fixedly connected on principal screw
It send machine 2,105 upper end of connecting rod that Step Shaft is set, uses bolt limit anti-after passing through through-hole on hook 106, lower end to pass through heat sink
De-, in burner operation, hot-air diffuses up after being stopped by heat sink, to ensure that heat sink superjacent air space is heated evenly.
Preferably, above-mentioned burning cavity 101 is cuboid, and size is the ㎜ of ㎜ × 1850 of 4000 ㎜ × 1000, including foreboard
Group 107, rear board group 108, left plate group 109, right panel group 110, top plate group 111 and bottom plate group 112, preceding board group 107, rear board group 108,
Left plate group 109, right panel group 110 are fixedly connected with the flat frame-shaped construction of strip, and top plate group 111 and bottom plate group 112 are fixedly connected on frame
Type structure upper and lower side, during preceding board group 107, rear board group 108, left plate group 109, right panel group 110, top plate group 111 and bottom plate group 112 are
Hollow structure is internally provided with the insulating layer 113 of ceramic fiber cotton making, insulation layer thickness 150mm, 101 top of burning cavity
Left side is provided with the connecting tube 117 of the flanged disk of connection chimney, and top right side is provided with the two through hole for penetrating pipeline, intercommunicating pore
On be provided with sealing gland 118.
Preferably, as described and depicted in figs. 9-13, above-mentioned principal screw conveyer 2 includes principal screw shell 201 and is placed in principal screw shell
Principal screw axis 202 in body 201 is provided with helical blade on principal screw axis 202, and middle side part offers on principal screw shell 201
Along multiple spaced apart bar shaped ventilative through holes 203 of 201 length direction of principal screw shell, multiple bar shaped ventilative through holes 203
There are the exhaust pipe 205 of connection heat exchanger 4, principal screw conveyer 2 in the outer air collecting chamber 204 for being provided with sealing, 204 top of air collecting chamber
With longer length, and the screw pitch being arranged is shorter, in system worked well to ensure that contaminated soil stops in main auger
Sufficiently long time, organic matter and mercury can be separated fully from soil, and 202 right end of principal screw axis is connected by shaft coupling 218
It is connected to the output shaft of speed changer 1, the input shaft of speed changer 1 is connected to the driving motor one of frequency conversion by V belt translation
206, driving motor 1 is fixedly connected on motor fixing frame 207, and speed changer 1 is fixed by the ring flange of its left end
It is connected in the connection framework of the right part of principal screw shell 201, connection framework includes being fixedly connected with principal screw shell 201
Box 216 and with the connecting flange 217 that connect box 216 and ring flange and be fixedly connected, pass through belt gear and speed reducer
Multiple deceleration after drive the operating of principal screw conveyer, operated with certain speed with reaching principal screw conveyer, it is big to have prevented
Stone enter principal screw conveyer and the equipment damage and safety accident that cause, deceleration part is provided with belt, belt pulley passes
Dynamic, motor fixing frame 207 is fixedly connected in container 9, and lower end is provided with apparatus for adjusting position, and apparatus for adjusting position includes connecting
It symmetrical angle steel 1 and the two symmetrical angle steel 2 209 that are fixedly connected on container 9 to connect the two of motor fixing frame 207, and two is symmetrical
Arrangement forms groove, the relatively upwardly disposed formation groove of two symmetrical angle steel 2 209, two symmetrical angle steel to angle steel 1 downward relatively
2 209 are embedded into two symmetrical angle steel 1, and bolt 210 is provided on two symmetrical angle steel 1, corresponding with bolt 210
Horizontal strip through-hole 211 is provided on two symmetrical angle steel 2 209, bolt 210 is inserted into horizontal strip through-hole 211, and motor is solid
Determine side in 207 bottom of frame and be provided with rotatable adjusting screw 212, adjusting screw 212 uses two nuts after passing through fixed plate 213
214 lockings, fixed plate 213 are fixedly connected on container 9, unclamp bolt and two nuts, and adjusting nut is moved forward and backward, and pushes electricity
Rack is moved forward and backward, and to realize that the position of motor rack is adjusted, realizes the elastic adjusting of belt.
Preferably, as shown in figure 14, above-mentioned inclined screw conveyor 3 includes tilting screw shell 301 and is placed in inclination spiral shell
The tilting screw axis 302 in shell 301 is revolved, the spiral pushing blade of big screw pitch, tilting screw are provided on tilting screw axis 302
The feed end of shell 301 is provided with the connecting tube 303 of the discharge port of connection principal screw conveyer 2, and connecting tube 303 passes through ring flange
It is connected on the vertical main discharge nozzle of 2 discharge port of principal screw conveyer, 302 outer end of tilting screw axis is connected to change by shaft coupling
On the output shaft of fast device 2 308, speed changer 2 308 is fixedly connected on tilting screw shell 301, and input shaft passes through V belt translation machine
Structure is connected to driving motor 2 303, and driving motor 2 303 is fixedly connected on 301 end of tilting screw shell by motor rack 304
2 308 upside of speed changer of connection, 301 slanted upper end bottom side of tilting screw shell is provided with the support leg outside container 9
307,305 side wall of discharge nozzle of 301 outer end of tilting screw shell is provided with spray tube 306, and spray tube 306 is connected to shower water
Pump, feeding spraying pump are connected to water storage box, and motor rack 304 includes upper backup pad 309, lower supporting plate 310 and connection upper backup pad 309
With the stud 311 of lower supporting plate 310, locking nut 312 is all made of between stud 311 and upper backup pad 309 and lower supporting plate 310
Locking, lower supporting plate 310 are fixedly connected on 2 308 top of speed changer by connecting seat 314, and connecting seat 314 is two angle steel bars, under
Support plate 310 is removably secured using screw and is connected with two symmetrical pull rods 313, and two pull rods 313 are connected to collection at splayed
On the skeleton of vanning 9,2 308 top of driving motor is equipped with rain cover, and protective cover is provided with outside tape handler, and protective cover is logical
Connecting rod is crossed to be fixedly connected on motor rack.
Preferably, as shown in Figs 1-4, the lower section of above-mentioned heat exchanger 4 is connected with liquid collecting box 10, in condenser pipe 13
It is connected with water pump 11, water pump 11 is connected with water tank 12, and condenser pipe 13, water pump 11 and water tank 12 constitute closed loop, and the connection of water tank 12 is certainly
Carry out water pipe 16, heat exchanger 4 uses finned formula heat exchanger, according to the gas treatment characteristic of mercury and mercury compound, using structure
The compact finned heat exchanger of form, to ensure that heat exchanger outlet temperature is not higher than 40 DEG C, the liquid below heat exchanger is received
Header bottom is provided with valve and liquid transmission pipeline, can easily be transferred out of the waste liquid for being desorbed out from Heat in Soil.
The gas come out from the collection upper box part of heat exchanger is common by potassium iodide adsorption tanks and second order activity charcoal adsorption tanks
After absorption, mercury and mercury compound are adsorbed, and harmless gas enters exhaust blower（Air-introduced machine）, air-introduced machine is organic matter and mercury from soil
It is separated in earth and gas discharges into air and provides power.
Preferably, above-mentioned adsorbent equipment 5 includes the potassium iodide adsorption tanks 501 of two concatenations, the latter potassium iodide adsorption tanks
Exhaust blower 502 is installed, exhaust blower 502 is mounted in container 9, is also concatenated before exhaust blower 502 active on 501 escape pipe
Charcoal adsorption tanks 503, absorbent charcoal adsorption tank 503 are detachably connected in container 1, and exhaust blower 502 is connected to exhaust duct 504,
Exhaust duct 504 reaches in air, and valve is provided on the inlet/outlet pipe of each potassium iodide adsorption tanks 501 and absorbent charcoal adsorption tank 503,
And it is provided with nipple, it is also equipped with valve on nipple, is easy to implement different situations absorption, each potassium iodide adsorption tanks 501
Wastewater disposal basin is discharged by drainpipe 17 with absorbent charcoal adsorption tank 503.
Preferably, device for transporting objects is installed, device for transporting objects includes fixed pulley and supporting rack, is determined by above-mentioned hopper
Pulley is rotatably connected on supporting rack, and supporting rack is rotatably connected to braced frame edge.
This mercury removal device made by way of low temperature indirect heating organic matter in contaminated soil, mercury and mercury compound,
Moisture is separated from soil, to reach the repairing and treating of contaminated soil；These substances warp separated from soil
Liquid focuses on after being collected after over-heat-exchanger progress gas-liquid separation（Owner is responsible for processing）, gas is through over-heat-exchanger
After cooling air is discharged into through air-introduced machine less than 40 DEG C using after potassium iodide absorption, the absorption of second order activity charcoal.
Embodiment 4：A kind of demercuration method for modularization soil mercury removal device, this method are：Contaminated soil passes through material
Bucket 7, the charging gate valve of connecting tube enters 2 right end of principal screw conveyer below the hopper, in the defeated of principal screw conveyer 2
During sending, 2 sections of principal screw conveyer being transported in combustion chamber 1, principal screw conveyer 2 and combustion chamber 1 constitute high temperature
Separation chamber, in separation chamber, the compound of mercury and mercury high-temperature evaporation, mercury, soil when combustion chamber is heated to 360 DEG C or more to soil
Moisture content, volatile organic matter and small part soil dust contained in earth positioned at separation by taking the heat being connect with separation chamber above room
The collective effect of the extraction for the exhaust blower that the cooling of exchanger is connected with adsorbent equipment finally concentrates on the liquid below heat exchanger
Body collecting box, liquid are focused on after collecting by user；Through overcooled gas, inhaled by potassium iodide adsorption tanks and activated carbon
Air is discharged by exhaust blower after common absorption in attached tank, the soil of organic matter and mercury is eliminated after thermal desorption, in master
Under the rotation forces of screw conveyor 2, promoted after entering inclined screw conveyor 3 below 2 tail portion of principal screw conveyer
It is discharged after being transported to 9 exterior domain of container, the mercurous waste liquid in liquid collecting box passes through pipe after system has handled contaminated soil
Road is transported to sealing container, then is transported to the unit progress harmless treatment of this waste liquid of special disposal, can ensure whole system
Be in operation with closed ring state, to reach soil remediation, and the purpose of secondary pollution is not generated to environment；
Combustion chambers burn operating procedure is as follows：
（1）Combustion chamber furnace lifting heats up the first stage, and three burner furnace lifting burnings control right end burner at 200 DEG C later
Stopping burning, starts burning at 150 DEG C, rear side burner stops burning at 500 DEG C, starts burning at 450 DEG C,
Stop burning at 550 DEG C, front side burner starts burning at 500 DEG C；
（2）In the first stage after furnace lifting heating half an hour, control right end burner stops burning at 300 DEG C, is opened at 250 DEG C
Dynamic burning, carry out second stage opens stove heating operation；
（3）After second stage furnace lifting heats up half an hour, control right end burner stops burning at 400 DEG C, is opened at 350 DEG C
Dynamic burning, carry out the phase III opens stove heating operation；
（4）After phase III furnace lifting heats up half an hour, control right end burner stops burning at 470 DEG C, is opened at 420 DEG C
Dynamic burning, carry out fourth stage opens stove heating operation；
（5）After fourth stage furnace lifting heats up half an hour, opens stove heating operation and complete, control the unlatching load of principal screw conveyer
It is the 15% of total load.
There are following advantages for this mercury removal device：
（1）The present invention sets modules to dismountable modular construction, is convenient for carrying movement, and installation is laminated
Structure, on the support frame by hopper, adsorbent equipment, heat exchanger installation, and installation combustion chamber and object below braced frame
Material conveying device greatly reduces floor space, and rationally distributed, modular construction, each module is relatively small, facilitates when carrying mobile fast
Victory greatly reduces workload when transition, reduces human cost；
（2）Contaminated soil is conveyed using principal screw conveyer, is stopped in combustion section convenient for control contaminated soil sufficiently long
Time, organic matter and mercury can be separated fully from soil, and using inclined screw conveyor, by treated, soil promotion is arrived
Certain altitude facilitates the collection and transhipment of soil；
（3）The arrangement of gas burner, one is arranged in combustion chamber and feeds one end, and another two sets are staggeredly arranged in combustion chamber
Front and back sides can ensure that the turbulent flow that hot-air is formed in combustion chamber in combustion chamber operational, to ensure that principal screw is defeated in combustion chamber
The uniformity for sending captain's degree and width direction to be heated, the principal screw conveyer so as to be conveyed to contaminated soil are evenly heated,
The contaminated soil of conveying is heated evenly, and demercuration effect is more preferable；
（4）Heat sink is set, and above gas burner flame below principal screw conveyer, is worked in gas burner
When, hot-air diffuses up after being stopped by heat sink, to ensure that heat sink superjacent air space is heated evenly；
（5）The burning cavity of the flat frame-shaped construction of strip, convenient for arrangement principal screw conveyer, it is ensured that heating temperature length and Polluted Soil
The residence time of earth, demercuration processing is more thorough, the insulating layer of ceramic fiber cotton is arranged, it can be ensured that combustion chamber external temperature does not surpass
60 DEG C are crossed, energy consumption is effectively reduced；
（6）The air collecting chamber of multiple bar shaped ventilative through holes and sealing is set on the upside of principal screw shell, is convenient for the dirt after being heated at high temperature
Moisture content, volatile organic matter contained in mercury, soil in dye soil（If there is）And small part soil dust is collected, and is collected
Face is big, collects more abundant；
（7）In such a way that driving motor is arranged in outer end, it is convenient for installing and overhauls, end spaces in inclined screw conveyor
It is narrow, and close to combustion chamber, be unfavorable for that driving motor is installed；
（8）Liquid collecting box is set, convenient for focusing on the mercurous liquid collected, avoids secondary pollution；
（9）Using the absorbent charcoal adsorption tank of potassium iodide adsorption tanks and two level, the progress after cooling containing mercury gas can be allowed further
Absorbing and filtering, the gas discharged it into air meets air quality requirements；
（10）Using the device for transporting objects of fixed pulley, after being rotated vacantly, using lifting rope and barrel connected to it, mounting
On fixed pulley, it is convenient for the conveying of contaminated soil.
The above description is merely a specific embodiment example, scope of protection of the present invention is not limited thereto.It is ripe
It knows the those skilled in the art in the technical scope disclosed by the present invention, change or replacement mode can be easily found, these
It should be covered by the protection scope of the present invention.For this purpose, protection scope of the present invention should be with the protection model of the claim
Subject to enclosing.
Claims (4)
1. a kind of combustion chamber for modularization soil demercuration, it is characterised in that：Including burning cavity（101）, gas burner
（102）And chimney（103）, burning cavity（101）Top is connected with chimney（103）, gas burner（102）Using three, point
Burning cavity is not removably mounted on it（101）Right end, front-end and back-end bottom, right end gas burner（102）Face center,
Front and back end is towards burning cavity（101）Left end tilts and keeps interlaced arrangement.
2. a kind of combustion chamber for modularization soil demercuration according to claim 1, it is characterised in that：Burning cavity
（101）It is inside equipped with positioned at gas burner（102）The heat sink of top（104）, heat sink（104）Pass through connecting rod（105）It hangs
It is connected to hook（106）On, hook（106）It is fixedly connected on principal screw conveyer（2）.
3. a kind of combustion chamber for modularization soil demercuration according to claim 1, it is characterised in that：Burning cavity
（101）Including preceding board group（107）, rear board group（108）, left plate group（109）, right panel group（110）, top plate group（111）With bottom plate group
（112）, preceding board group（107）, rear board group（108）, left plate group（109）, right panel group（110）It is fixedly connected with the flat frame shape knot of strip
Structure, top plate group（111）With bottom plate group（112）It is fixedly connected on frame-type structure upper and lower side, preceding board group（107）, rear board group（108）,
Left plate group（109）, right panel group（110）, top plate group（111）With bottom plate group（112）For hollow structure, it is internally provided with ceramic fibre
The insulating layer that cotton is made（113）.
4. special according to a kind of combustion method of any combustion chambers for modularization soil demercuration claim 1-3
Sign is：Include the following steps：
（1）Combustion chamber furnace lifting heats up the first stage, and three burner furnace lifting burnings control right end burner at 200 DEG C later
Stopping burning, starts burning at 150 DEG C, rear side burner stops burning at 500 DEG C, starts burning at 450 DEG C,
Stop burning at 550 DEG C, front side burner starts burning at 500 DEG C；
（2）In the first stage after furnace lifting heating half an hour, control right end burner stops burning at 300 DEG C, is opened at 250 DEG C
Dynamic burning, carry out second stage opens stove heating operation；
（3）After second stage furnace lifting heats up half an hour, control right end burner stops burning at 400 DEG C, is opened at 350 DEG C
Dynamic burning, carry out the phase III opens stove heating operation；
（4）After phase III furnace lifting heats up half an hour, control right end burner stops burning at 470 DEG C, is opened at 420 DEG C
Dynamic burning, carry out fourth stage opens stove heating operation；
（5）After fourth stage furnace lifting heats up half an hour, opens stove heating operation and complete, control the unlatching load of principal screw conveyer
It is the 15% of total load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780445.4A CN108746179A (en) | 2018-07-17 | 2018-07-17 | A kind of combustion chamber and its combustion method for modularization soil demercuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810780445.4A CN108746179A (en) | 2018-07-17 | 2018-07-17 | A kind of combustion chamber and its combustion method for modularization soil demercuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108746179A true CN108746179A (en) | 2018-11-06 |
Family
ID=63973994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810780445.4A Pending CN108746179A (en) | 2018-07-17 | 2018-07-17 | A kind of combustion chamber and its combustion method for modularization soil demercuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108746179A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201410A (en) * | 1995-10-06 | 1998-12-09 | 无毒系统有限公司(澳大利亚公司) | Volatile materials treatment system |
| US6464430B1 (en) * | 1999-10-27 | 2002-10-15 | Tom L. Maleck | Soil decontamination apparatus and method |
| JP2006095383A (en) * | 2004-09-28 | 2006-04-13 | Mitsui Eng & Shipbuild Co Ltd | Method and apparatus for treating decomposed gas in pollutant purifying apparatus |
| CN204122456U (en) * | 2014-10-14 | 2015-01-28 | 中节能大地环境修复有限公司 | A kind of mercury contaminated soil thermal desorption treating apparatus |
| CN105258504A (en) * | 2015-11-18 | 2016-01-20 | 南京安唯节能新技术有限公司 | Tunnel kiln and combustion control method thereof |
| CN205420285U (en) * | 2016-03-16 | 2016-08-03 | 宁夏盐池县恒汇丰煤化工有限公司 | Energy -saving tubular coal tar heating furnace |
| CN206253448U (en) * | 2016-11-09 | 2017-06-16 | 浙江亿可利环保科技有限公司 | The indirect thermal desorption device of organic polluted soil |
| CN208495372U (en) * | 2018-07-17 | 2019-02-15 | 贵州省环境科学研究设计院 | A kind of combustion chamber for modularization soil demercuration |
-
2018
- 2018-07-17 CN CN201810780445.4A patent/CN108746179A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1201410A (en) * | 1995-10-06 | 1998-12-09 | 无毒系统有限公司(澳大利亚公司) | Volatile materials treatment system |
| US6464430B1 (en) * | 1999-10-27 | 2002-10-15 | Tom L. Maleck | Soil decontamination apparatus and method |
| JP2006095383A (en) * | 2004-09-28 | 2006-04-13 | Mitsui Eng & Shipbuild Co Ltd | Method and apparatus for treating decomposed gas in pollutant purifying apparatus |
| CN204122456U (en) * | 2014-10-14 | 2015-01-28 | 中节能大地环境修复有限公司 | A kind of mercury contaminated soil thermal desorption treating apparatus |
| CN105258504A (en) * | 2015-11-18 | 2016-01-20 | 南京安唯节能新技术有限公司 | Tunnel kiln and combustion control method thereof |
| CN205420285U (en) * | 2016-03-16 | 2016-08-03 | 宁夏盐池县恒汇丰煤化工有限公司 | Energy -saving tubular coal tar heating furnace |
| CN206253448U (en) * | 2016-11-09 | 2017-06-16 | 浙江亿可利环保科技有限公司 | The indirect thermal desorption device of organic polluted soil |
| CN208495372U (en) * | 2018-07-17 | 2019-02-15 | 贵州省环境科学研究设计院 | A kind of combustion chamber for modularization soil demercuration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208495372U (en) | A kind of combustion chamber for modularization soil demercuration | |
| CN210098516U (en) | Plasma-enhanced ex-situ thermal desorption waste treatment and soil remediation device | |
| CN108862815A (en) | A kind of separating dry space from moist space sewage-treatment plant | |
| CN108704931A (en) | A kind of complete set of equipments and method of movable type polluting waste thermal desorption | |
| CN208680155U (en) | A kind of modularization soil mercury removal device | |
| CN109731899A (en) | A kind of contaminated soil remediation method | |
| CN208555494U (en) | A kind of demercuration separator for modularization soil mercury removal device | |
| CN108325278A (en) | A kind of brick field drying chamber tail gas energy conservation and environmental protection processing equipment | |
| CN208504419U (en) | A kind of chimney protective device for modularization soil mercury removal device | |
| CN201793435U (en) | Environment-friendly water-saving excrement treatment device for vehicles | |
| CN208680154U (en) | A kind of principal screw conveyer for modularization soil mercury removal device | |
| CN108746179A (en) | A kind of combustion chamber and its combustion method for modularization soil demercuration | |
| CN209009470U (en) | A kind of tilting screw conveyer for modularization soil mercury removal device | |
| CN108532414B (en) | Asphalt mixture stirring environment-friendly treatment system and process | |
| CN108772414A (en) | A kind of demercuration separator for modularization soil mercury removal device | |
| CN108772415A (en) | A kind of modularization soil mercury removal device and its demercuration method | |
| CN208712503U (en) | A kind of processing unit of full automatic high efficiency organic polluted soil | |
| CN206398721U (en) | A kind of energy saving and environment friendly garden garbage burning boiler | |
| CN216472556U (en) | Sewage treatment device suitable for plant | |
| CN210601635U (en) | Magnetization degradation furnace | |
| CN208362154U (en) | A kind of sludge treatment equipment | |
| CN208495371U (en) | A kind of complete set of equipments of movable type polluting waste thermal desorption | |
| CN114682622B (en) | Multifunctional main repairing device and organic contaminated soil repairing device and method thereof | |
| CN213527894U (en) | Waste gas purification treatment device for solid waste incineration | |
| CN108910970A (en) | A kind of Implementation of Urban Environmental Protection System |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |