CN208680154U - A kind of principal screw conveyer for modularization soil mercury removal device - Google Patents
A kind of principal screw conveyer for modularization soil mercury removal device Download PDFInfo
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- CN208680154U CN208680154U CN201821124806.1U CN201821124806U CN208680154U CN 208680154 U CN208680154 U CN 208680154U CN 201821124806 U CN201821124806 U CN 201821124806U CN 208680154 U CN208680154 U CN 208680154U
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Abstract
The utility model discloses a kind of principal screw conveyers for modularization soil mercury removal device, including principal screw shell and it is placed in the intracorporal principal screw axis of principal screw shell, middle side part offers multiple spaced apart bar shaped ventilative through holes along principal screw shell length direction on principal screw shell, the air collecting chamber of sealing is provided with outside multiple bar shaped ventilative through holes, there is exhaust pipe above air collecting chamber, exhaust pipe is communicated to exhaust blower.The utility model conveys contaminated soil using principal screw conveyer, convenient for controlling contaminated soil stay long enough in combustion section, organic matter and mercury can be separated sufficiently from soil, the air collecting chamber of multiple bar shaped ventilative through holes and sealing is set on the upside of principal screw shell, convenient for by the contaminated soil after high-temperature heating mercury, moisture content, volatile organic matter (if there is) and small part soil dust are collected contained in soil, collection surface is big, it collects more abundant, helical feed, the contact area of heating is big and the also contacts time is long, and demercuration effect is more preferable.
Description
Technical field
The utility model belongs to removal soil pollution equipment technical field, and in particular to one kind is used for modularization soil demercuration
The principal screw conveyer of device.
Background technique
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 outlet 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, organomercury pesticide and mercurous chemical fertilizer using be all mercury enter soil environment it is main it is artificial come
Source.It since these pollution sources are a contact scar source mostly, therefore is unevenly to pollute for soil environment, in some areas soil
Mercury pollution may be quite serious.
From phase early 1960s, since Japan's discovery " 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 human 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 to the improvement of Soil Mercury Pollution and repair urgent
In the eyebrows and eyelashes.
During transportation, contaminated soil heating time is short, and connects for the conveying equipment of existing contaminated soil mercury removal device
Contacting surface product is small, and demercuration effect is poor.
Summary of the invention
The technical issues of the utility model solves is: providing a kind of principal screw conveying for modularization soil mercury removal device
Machine, to solve above-mentioned problems of the prior art.
The technical solution that the utility model is taken are as follows: a kind of principal screw conveyer for modularization soil mercury removal device,
Including principal screw shell and it is placed in the intracorporal principal screw axis of principal screw shell, middle side part is offered along principal screw on principal screw shell
Multiple spaced apart bar shaped ventilative through holes in shell length direction, multiple bar shaped ventilative through holes are provided with the gas collection of sealing outside
There are exhaust pipe in chamber, air collecting chamber top, and exhaust pipe is communicated to exhaust blower.
Preferably, above-mentioned principal screw axis right end is connected to the output shaft of speed changer one by shaft coupling, speed changer one it is defeated
Enter the driving motor one that axis is connected to frequency conversion by V belt translation, driving motor one is fixedly connected on motor fixing frame, speed changer
One is fixedly connected on the right part of principal screw shell.
Preferably, above-mentioned motor fixing frame is fixedly connected in container, and lower end is provided with apparatus for adjusting position, position tune
Regulating device include connect motor fixing frame the two symmetrical two symmetrical angle steel two angle steel one and be fixedly connected on container, two pairs
Title angle steel one is arranged downward relatively forms groove, the relatively upwardly disposed formation groove of two symmetrical angle steel two, and two symmetrical angle steel two are embedding
Enter into two symmetrical angle steel one, be provided with bolt on two symmetrical angle steel one, is arranged on two symmetrical angle steel two corresponding with bolt
There is horizontal strip through-hole, bolt is inserted into horizontal strip through-hole, and side is provided with rotatable adjusting in motor fixing frame bottom
Screw adjusts after screw passes through fixed plate and uses two nut checks, and fixed plate is fixedly connected on container.
Preferably, above-mentioned principal screw conveyer is arranged with hook, is mounted with connecting rod, and connecting rod lower end is connected with heat dissipation
Plate, heat sink are located at the top that gas burner jets out flames.
The utility model has the beneficial effects that compared with prior art, the effect of the utility model is as follows:
(1) contaminated soil is conveyed using principal screw conveyer, is stopped in combustion section enough convenient for control contaminated soil
Long time, organic matter and mercury can be separated sufficiently from soil, and multiple bar shaped ventilative through holes are arranged on the upside of principal screw shell
It is organic convenient for the mercury in the contaminated soil after being heated at high temperature, moisture content, volatile contained in soil with the air collecting chamber of sealing
Object (if there is) and small part soil dust are collected, and collection surface is big, collect more abundant, helical feed, and the contact area of heating is big
Long with the also contacts time, demercuration effect is more preferable；
(2) by driving the operating of principal screw conveyer after the multiple deceleration of belt gear and speed reducer, to reach main
Spiral conveyor is operated with certain speed, and belt gear can prevent big stone from entering principal screw conveyer and causing
Equipment damage and safety accident；
(3) apparatus for adjusting position is set, bolt and two nuts are unclamped, adjusting nut is moved forward and backward, before and after pushing motor frame
It is mobile, to realize that the position of motor rack is adjusted, realize the elastic adjusting of belt, bolt plays the work for adjusting orientation and fastening
With；
(4) heat sink is installed under the principal screw conveyer above gas burner flame, in gas burner work,
Hot-air diffuses up after being stopped by heat sink, to guarantee that heat sink upper space is heated evenly.
Detailed description of the invention
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 view in Fig. 1；
Fig. 4 is B-B schematic cross-sectional view in Fig. 1；
Fig. 5 is chamber structure schematic diagram；
Fig. 6 is A-A schematic cross-sectional view 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 embodiment
With reference to the accompanying drawing and the utility model is described further in specific embodiment.
Embodiment 1: as described and depicted in figs. 9-13, a kind of principal screw conveyer for modularization soil mercury removal device, the main spiral shell
Rotation conveyer 2 includes principal screw shell 201 and the principal screw axis 202 being placed in principal screw shell 201, sets on principal screw axis 202
It is equipped with helical blade, middle side part offers multiple interval cloth along 201 length direction of principal screw shell on principal screw shell 201
The bar shaped ventilative through hole 203 set, multiple bar shaped ventilative through holes 203 are provided with the air collecting chamber 204 of sealing, 204 top of air collecting chamber outside
There is the exhaust pipe 205 of connection heat exchanger 4, principal screw conveyer 2 has longer length, and the screw pitch being arranged is shorter, is being
To guarantee contaminated soil stay long enough in main auger when system works normally, organic matter and mercury can be sufficiently from soil
It separates, 202 right end of principal screw axis is connected to the output shaft of speed changer 1 by shaft coupling 218, speed changer 1
Input shaft is connected to the driving motor 1 of frequency conversion by V belt translation, and driving motor 1 is fixedly connected on motor fixing frame
On 207, speed changer 1 is fixedly connected on the connection framework of the right part of principal screw shell 201 by the ring flange of its left end
On, connection framework include the box 216 being fixedly connected with principal screw shell 201 and with connect that box 216 and ring flange are fixed to be connected
The connecting flange 217 connect, by driving the operating of principal screw conveyer after the multiple deceleration of belt gear and speed reducer, to reach
It is operated to principal screw conveyer with certain speed, the equipment damage caused to prevent big stone from entering principal screw conveyer
And safety accident, deceleration part are provided with belt, pulley drive, motor fixing frame 207 is fixedly connected in container 9, under
End is provided with apparatus for adjusting position, and apparatus for adjusting position includes connecting two symmetrical angle steel 1 of motor fixing frame 207 and fixing
The symmetrical angle steel 2 209 of two be connected on container 9, arrangement forms groove, two symmetric angles to two symmetrical angle steel 1 downward relatively
The relatively upwardly disposed formation groove of steel 2 209, two symmetrical angle steel 2 209 are embedded into two symmetrical angle steel 1, two symmetrical angle steel
It is provided with bolt 210 on one 208, is provided with horizontal strip through-hole 211 on two symmetrical angle steel 2 209 corresponding with bolt 210,
Bolt 210 is inserted into horizontal strip through-hole 211, and side is provided with rotatable adjusting screw in 207 bottom of motor fixing frame
212, it adjusts after screw 212 passes through fixed plate 213 and is locked using two nuts 214, fixed plate 213 is fixedly connected on container 9,
Bolt and two nuts are unclamped, adjusting nut is moved forward and backward, and pushing motor frame is moved forward and backward, to realize the position tune of motor rack
Section, realizes the elastic adjusting of belt.
Preferably, above-mentioned principal screw conveyer 2 is arranged with hook 106, and hook 106 is mounted with connecting rod 105, connecting rod 105
Lower end is connected with heat sink 104, and heat sink 104 is located at the top that gas burner 102 jets out flames, the setting of 105 upper end of connecting rod
Step Shaft passes through through-hole on hook 106, and lower end uses bolt to limit anticreep after passing through heat sink, and in burner operation, heat is empty
Gas diffuses up after being stopped by heat sink, to guarantee that heat sink upper space is heated evenly.
Embodiment 2: 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, rain-proof shelter is provided at the top of braced frame 8, side is provided with stair 14, and guardrail 15 is provided with by stair 14, supports
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,
Chimney 103 is connected at the top of burning cavity 101, 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 is kept, 101 front and back sides of burning cavity are provided with maintenance door 114 and multiple observation windows 116, to facilitate to combustion
It burns the maintenance of chamber interior and checks, two rows thermocouple 115 is provided on front side of burning cavity 101, 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 on hook 106 by connecting rod 105, and it is defeated that hook 106 is fixedly connected on principal screw
Machine 2 is sent, Step Shaft is arranged in 105 upper end of connecting rod, passes through through-hole on hook 106, and lower end uses bolt limit anti-after passing through heat sink
De-, in burner operation, hot-air diffuses up after being stopped by heat sink, to guarantee that heat sink upper space is heated evenly.
Preferably, above-mentioned burning cavity 101 is cuboid, having a size of 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 be
Hollow structure is internally provided with the insulating layer 113 of ceramic fiber cotton production, insulation layer thickness 150mm, 101 top of burning cavity
Left side is provided with the connecting tube 117 of the flange plate 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
It is provided with the air collecting chamber 204 of sealing outside, there is the exhaust pipe 205 of connection heat exchanger 4, principal screw conveyer 2 above air collecting chamber 204
With longer length, and the screw pitch being arranged is shorter, in system worked well to guarantee that contaminated soil stops in main auger
Sufficiently long time, organic matter and mercury can be separated sufficiently 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 reaching principal screw conveyer with certain speed, 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
The two symmetrical two symmetrical angle steel 2 209 angle steel 1 and be fixedly connected on container 9 of motor fixing frame 207 are connect, 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, are provided with bolt 210 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, adjusts after screw 212 passes through fixed plate 213 and use two nuts
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 push electricity
Rack is moved forward and backward, 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 supporting 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 attachment base 314, and attachment base 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 shield is provided with outside tape handler, and shield is logical
Connecting rod is crossed to be fixedly connected on motor rack.
Preferably, as shown in Figs 1-4, be connected with liquid collecting box 10 below above-mentioned heat exchanger 4, 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 guarantee heat exchanger outlet temperature 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), and air-introduced machine is organic matter and mercury from soil
It is separated in earth and gas discharges into atmosphere 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 air-exhausting duct 504,
Air-exhausting duct 504 reaches in atmosphere, is provided with valve 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 support frame, is determined by above-mentioned hopper
Pulley is rotatably connected on support frame, and support frame is rotatably connected to braced frame edge.
This mercury removal device make in such a way that low temperature indirect heats 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 (owner is responsible for processing) after being collected after over-heat-exchanger progress gas-liquid separation, and gas is through over-heat-exchanger
Atmosphere is discharged into through air-introduced machine using after potassium iodide absorption, the absorption of second order activity charcoal lower than 40 DEG C after cooling.
Embodiment 3: a kind of demercuration method for modularization soil mercury removal device, this method are as follows: contaminated soil passes through material
Bucket 7, the charging gate valve for being mounted on connecting tube below hopper enter 2 right end of principal screw conveyer, in the defeated of principal screw conveyer 2
During sending, 2 sections of principal screw conveyer be 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 when combustion chamber is heated to 360 DEG C or more to soil, mercury, soil
Moisture content, volatile organic matter contained in earth and small part soil dust, which pass through, is located at the heat that separation takes room top to connect with separation chamber
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 active carbon
Atmosphere 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 guarantee 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 200 later
DEG C when stop burning, at 150 DEG C start burning, rear side burner stops at 500 DEG C burning, at 450 DEG C starting burn,
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, at 250 DEG C
Shi Qidong burning, carry out second stage opens furnace heating operation；
(3) after second stage furnace lifting heats up half an hour, control right end burner stops burning at 400 DEG C, at 350 DEG C
Shi Qidong burning, carry out the phase III opens furnace heating operation；
(4) after phase III furnace lifting heats up half an hour, control right end burner stops burning at 470 DEG C, at 420 DEG C
Shi Qidong burning, carry out fourth stage opens furnace heating operation；
(5) it after fourth stage furnace lifting heats up half an hour, opens furnace heating operation and completes, control the unlatching of principal screw conveyer
Load is the 15% of total load.
There are following advantages for this mercury removal device:
(1) modules are set dismountable modular construction by the utility model, is convenient for carrying movement, and
The structure of installation is laminated, on the support frame by hopper, adsorbent equipment, heat exchanger installation, and installation combustion below braced frame
Room and device for transporting objects are burnt, occupied area is greatly reduced, rationally distributed, modular construction, each module is relatively small, carries movement
When it is convenient and efficient, greatly reduce workload when transition, reduce human cost；
(2) contaminated soil is conveyed using principal screw conveyer, is stopped in combustion section enough convenient for control contaminated soil
Long time, organic matter and mercury can be separated sufficiently from soil, and using inclined screw conveyor, by treated, soil is mentioned
It is raised to certain altitude, facilitates the collection and transhipment of soil；
(3) arrangement of gas burner, one is arranged in combustion chamber and feeds one end, and another two sets are staggeredly arranged and are burning
The front and back sides of room can ensure that the turbulent flow that hot-air is formed in combustion chamber, in combustion chamber operational to guarantee main spiral shell in combustion chamber
The uniformity that conveyor lengths and width direction are heated is revolved, the principal screw conveyer so as to convey to contaminated soil uniformly adds
The contaminated soil of heat, conveying is heated evenly, and demercuration effect is more preferable；
(4) heat sink is set above gas burner flame, and is located at below principal screw conveyer, in gas burner
When work, hot-air diffuses up after being stopped by heat sink, to guarantee that heat sink upper space is heated evenly；
(5) burning cavity of the flat frame-shaped construction of strip, convenient for arrangement principal screw conveyer, it is ensured that heating temperature length and dirt
The residence time of soil is contaminated, demercuration processing is more thorough, the insulating layer of ceramic fiber cotton is arranged, it can be ensured that combustion chamber external temperature
No more than 60 DEG C, energy consumption is effectively reduced；
(6) air collecting chamber of multiple bar shaped ventilative through holes and sealing is set on the upside of principal screw shell, convenient for it will be heated at high temperature after
Contaminated soil in mercury, moisture content, volatile organic matter (if there is) and small part soil dust are collected contained in soil,
Collection surface is big, collects more abundant；
(7) it in such a way that driving motor is arranged in outer end, is convenient for installing and overhaul, inclined screw conveyor inner end
Narrow space, and close to combustion chamber, it is 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) use potassium iodide adsorption tanks and second level absorbent charcoal adsorption tank, can allow it is after cooling containing mercury gas carry out into
The absorbing and filtering of one step, the gas discharged it into atmosphere meet air quality requirements；
(10) device for transporting objects for using fixed pulley, after rotate vacantly, using lifting rope and barrel connected to it,
It is articulated on fixed pulley, is convenient for the conveying of contaminated soil.
Example above description is only a specific implementation of the present invention, the protection scope of the utility model not office
It is limited to this.Be familiar with the those skilled in the art within the technical scope disclosed by the utility model, can easily find variation or
Alternative, these should be covered within the scope of the utility model.For this purpose, the protection scope of the utility model should be with
Subject to the scope of protection of the claims.
Claims (4)
1. a kind of principal screw conveyer for modularization soil mercury removal device, it is characterised in that: including principal screw shell (201)
With the principal screw axis (202) being placed in principal screw shell (201), middle side part is offered along main spiral shell on principal screw shell (201)
Multiple spaced apart bar shaped ventilative through holes (203) of shell (201) length direction are revolved, multiple bar shaped ventilative through holes (203) are outside
It is arranged Packed air collecting chamber (204), there is the exhaust pipe (205) of connection heat exchanger (4) above air collecting chamber (204).
2. a kind of principal screw conveyer for modularization soil mercury removal device according to claim 1, it is characterised in that:
Principal screw axis (202) right end is connected to the output shaft of speed changer one (215), the input shaft of speed changer one (215) by shaft coupling
The driving motor one (206) of frequency conversion is connected to by V belt translation, driving motor one (206) is fixedly connected on motor fixing frame
(207) on, speed changer one (215) is fixedly connected on the right part of principal screw shell (201).
3. a kind of principal screw conveyer for modularization soil mercury removal device according to claim 2, it is characterised in that:
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
The two symmetrical angle steel two for connecting the two symmetrical angle steel one (208) of motor fixing frame (207) and being fixedly connected on container (9)
(209), arrangement forms groove, the two symmetrical relatively upwardly disposed formation of angle steel two (209) to two symmetrical angle steel one (208) downward relatively
Groove, two symmetrical angle steel two (209) are embedded into two symmetrical angle steel one (208), are provided with bolt on two symmetrical angle steel one (208)
(210), it is provided with horizontal strip through-hole (211) on corresponding with bolt (210) two symmetrical angle steel two (209), bolt (210)
It being inserted into horizontal strip through-hole (211), side is provided with rotatable adjusting screw (212) in motor fixing frame (207) bottom,
It adjusts screw (212) and passes through fixed plate (213) afterwards using two nuts (214) locking, fixed plate (213) is fixedly connected on container
(9) on.
4. a kind of principal screw conveyer for modularization soil mercury removal device according to claim 1, it is characterised in that:
Principal screw conveyer (2) is arranged with hook (106), and hook (106) is mounted with connecting rod (105), and connecting rod (105) lower end is connected with
Heat sink (104), heat sink (104) are located at the top that gas burner (102) jets out flames.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124806.1U CN208680154U (en) | 2018-07-17 | 2018-07-17 | A kind of principal screw conveyer for modularization soil mercury removal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821124806.1U CN208680154U (en) | 2018-07-17 | 2018-07-17 | A kind of principal screw conveyer for modularization soil mercury removal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208680154U true CN208680154U (en) | 2019-04-02 |
Family
ID=65880778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821124806.1U Active CN208680154U (en) | 2018-07-17 | 2018-07-17 | A kind of principal screw conveyer for modularization soil mercury removal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208680154U (en) |
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2018
- 2018-07-17 CN CN201821124806.1U patent/CN208680154U/en active Active
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