CN103394507A - Contaminated soil pretreatment equipment - Google Patents
Contaminated soil pretreatment equipment Download PDFInfo
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- CN103394507A CN103394507A CN2013103495800A CN201310349580A CN103394507A CN 103394507 A CN103394507 A CN 103394507A CN 2013103495800 A CN2013103495800 A CN 2013103495800A CN 201310349580 A CN201310349580 A CN 201310349580A CN 103394507 A CN103394507 A CN 103394507A
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Abstract
The invention discloses contaminated soil pretreatment equipment. The equipment comprises a pretreatment tower, wherein a heat supply pipeline system is arranged in the middle of the tower, the tower top is provided with a gas-collecting hood and a soil inlet, and a bin is arranged in the tower bottom; the heat supply pipeline system consists of three layers of heat supply pipes which are connected end to end and distributed in a vertical direction, each layer of heat supply pipeline comprises an S-shaped pipeline, and the heat supply pipeline systems of all the layers are separated by a turning plate system; the gas inlet formed in the bottom S-shaped pipeline is connected with a high-temperature gas pipeline of heat treatment equipment, and the gas outlet formed in the top S-shaped pipeline is connected with a high-temperature gas pipeline outlet; an outlet pipeline on the gas collecting hood is connected to the heat treatment equipment through an induced draft fan and a condensing device. With the equipment, high-temperature tail gas produced by the heat treatment equipment is utilized to preheat soil, and the preheated dry soil is further heated in a rotary kiln of the heat treatment equipment, so that the energy consumption can be greatly reduced, and the treatment efficiency can be effectively improved; and the layered design is adopted in the pretreatment tower, so that the high-temperature tail gas of the rotary kiln is furthest utilized.
Description
Technical field
The present invention relates to industrial pollution site remediation equipment, particularly a kind of contaminated soil the pre-heat treatment equipment.
Background technology
In the contaminated site repair, generally adopt pyrolysis to analyse desorption technology for the high-enriched organics contaminated soil, but this kind equipment is all contaminated soil directly to be entered Equipment for Heating Processing process at present, general pending contaminated soil moisture content is all higher, first to experience the process of heating soil, evaporate to dryness soil moisture when entering Equipment for Heating Processing, make the effective time of staying of pending contaminated soil in the kiln body reduce, reduced the treatment effeciency of Equipment for Heating Processing; And high-temperature tail gas also is not used, and heat energy is subject to significant wastage.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of contaminated soil pre-processing device, uses this soil pretreatment equipment can extend the effective time of staying of soil in the kiln body,, except low energy consumption, improves treatment effeciency.
For solving the problems of the technologies described above, basic conception of the present invention is by dry soil is carried out preheating, and the soil after preheating enters the further heat treated of Equipment for Heating Processing rotary kiln again.
a kind of contaminated soil pre-processing device of the present invention, comprise pretreater, the tower middle part is heat supply ductwork, tower top is provided with gas skirt and the mouth that buries, be provided with feed bin at the bottom of tower, described heat supply ductwork is comprised of three layers of heat supply pipeline that vertical distribution and head and the tail connect, every one deck heat supply pipeline all comprises a snake pipe, two ports of this snake pipe are respectively air inlet and gas outlet, separated by plate turnover system between each layer heat supply ductwork, the air inlet of bottom snake pipe connects the hot-gas channel of Equipment for Heating Processing, the gas outlet of top layer snake pipe connects the hot-gas channel outlet, air outlet pipeline on gas skirt is connected to Equipment for Heating Processing after air-introduced machine and condensing unit, the conveyer belt of pretreated soil being sent into Equipment for Heating Processing is housed in feed bin.
Material arrives tower top by Belt Conveying, enter the top layer heat supply pipeline by the mouth that buries, enter next layer after the heating certain hour, new material enters top layer again, so successively descend and complete simultaneously after preheating that to enter tower bed material storehouse temporary, then by the bin bottom conveyer belt, mass transport is entered into rotary kiln.The high-temperature gas that Equipment for Heating Processing produces enters from the bottom snake pipe,, from bottom to top through three layers of heat supply pipeline, is progressively discharged by top layer after material in the heating tower.The soil emergent gas upwards enters gas skirt through the interlayer of tower wall, by the air-introduced machine sucking-off of external linkage, sends into the rotary kiln high-temperature process after condensation.The below of every one deck is provided with several turnover panels in tower, and turnover panel can form confined space and fall to prevent the downward one deck of soil, and turnover panel rotates and soil fallen into by upper strata in lower floor's tower continue heating or enter feed bin when the soil heating is complete; The operation of all parts realizes controlling by integrated switch board.
The high-temperature tail gas that the present invention utilizes the Equipment for Heating Processing rotary kiln to produce preheats processing to soil, mainly plays the effect of preheating and the pending contaminated soil of oven dry.Escaping gas enters in kiln after first condensation dewaters after collecting and carries out high-temperature process in the soil pretreatment tower, and condensed water enters water treatment system and processes.Dry soil after preheating enters the further heat treated of Equipment for Heating Processing rotary kiln again, extended the effective time of staying of soil in the kiln body, greatly reduced energy consumption, effectively the raising treatment effeciency, adopt hierarchical design in pretreater, maximally utilised the high-temperature tail gas of rotary kiln.
Description of drawings
Below in conjunction with the drawings and specific embodiments, the claimed technical scheme of the present invention is described in further detail.
Fig. 1 is the overall structure schematic diagram of pre-processing device of the present invention.
Fig. 2 is the structural representation of heat supply ductwork and turnover panel control system.
In figure, the 1-mouth that buries, 2-feed bin, 3-snake pipe, the 4-air inlet, 5-gas outlet, 6-conveyer belt, 7-turnover panel, the 8-column, 9-cross bar, the 10-arm of force, 11-clamping bar, the 12-steel wire rope, 13-pulley, 14-hoist engine, 15-rotating plate shaft, the 16-sieve of combing, 17-roller screen, 18-Gravel Pit, 19-combs and sieves hole, 20-roller screen hole, 21-rotary kiln.
The specific embodiment
as shown in Figure 1, a kind of contaminated soil pre-processing device, comprise pretreater, the tower middle part is heat supply ductwork, tower top is provided with gas skirt and buries mouth 1, be provided with feed bin 2 at the bottom of tower, described heat supply ductwork is comprised of three layers of heat supply pipeline that vertical distribution and head and the tail connect, every one deck heat supply pipeline all comprises a snake pipe 3, two ports of this snake pipe 3 are respectively air inlet 4 and gas outlet 5, separated by plate turnover system between each layer heat supply ductwork, the air inlet 4 of bottom snake pipe 3 connects the hot-gas channel of Equipment for Heating Processing, the gas outlet 5 of top layer snake pipe 3 connects the hot-gas channel outlet, air outlet pipeline on gas skirt is connected to Equipment for Heating Processing after air-introduced machine and condensing unit, the conveyer belt 6 of pretreated soil being sent into Equipment for Heating Processing is housed in feed bin 2.
Material arrives tower top by Belt Conveying, mouth 1 enters the top layer heat supply pipeline by burying, enter next layer after the heating certain hour, new material enters top layer again, so successively descend and complete simultaneously after preheating that to enter tower bed material storehouse 2 temporary, then by feed bin 2 bottom conveyors 6, mass transport is entered into rotary kiln 21.The soil emergent gas upwards enters gas skirt through the interlayer of tower wall, by the air-introduced machine sucking-off of external linkage, sends into rotary kiln 21 high-temperature process after condensation.The below of every one deck is provided with several turnover panels 7 in tower, and turnover panel 7 can form confined space and fall to prevent the downward one deck of soil, and turnover panel 7 rotates and soil fallen into by upper strata in lower floor's tower continue heating or enter feed bin 2 when the soil heating is complete; The operation of all parts realizes controlling by integrated switch board.
The high-temperature gas that Equipment for Heating Processing rotary kiln 21 produces is entered by the air inlet 4 of the hot-gas channel entrance on pretreater through bottom snake pipe 3, and pipeline enclosure is used for depositing contaminated soil, conducts by tube wall the heat that contaminated soil is heated.In tower by three layers of snake pipe around,, from bottom to top through three layers of heat supply pipeline, enter exhaust treatment system after progressively being discharged by the hot-gas channel outlet on top after material in the heating tower.
as shown in Figure 2, as a kind of preferred technical scheme, every layer of plate turnover system is comprised of several turnover panels 7 and with the turnover panel control system, is connected, this turnover panel control system comprises column 8, cross bar 9, the arm of force 10, clamping bar 11, steel wire rope 12, pulley 13 and hoist engine 14, turnover panel 7 middle parts are rotating plate shaft 15 fixedly, the bracing frame that cross bar 9 and column 8 are connected to form is fixed in the both sides of turnover panel 7, pack into and be opened in the axis hole of cross bar 9 inboards in the two ends of rotating plate shaft 15, the vertical end of being fixed in rotating plate shaft 15, bottom of the arm of force 10 corresponding with turnover panel 7 quantity, the top of the arm of force 10 is articulated on the clamping bar 11 that be arranged in parallel with cross bar 9, clamping bar 11 is connected in hoist engine 14 by steel wire rope 12 and pulley 13.
Rotate by hoist engine 14 stroke of controlling clamping bar 11, thereby control the upset of turnover panel 7.Control and enter second layer continuation heating in tower by hoist engine 14 after having taken full advantage of the heat of top layer, control and enter bottom continuation heating in tower by hoist engine 14 after having taken full advantage of the heat of the second layer, make soil slowly fall into conveyer belt by hoist engine 14 control turnover panels 7 finally and be transported to Equipment for Heating Processing rotary kiln 21.
As shown in Figure 1, the present invention also comprises screening and the movement system of soil being sent into pretreater, this system comprises comb sieve 16, roller screen 17 and Gravel Pit 18, comb sieve 16 belows are provided with the sieve hole 19 of combing, comb and set up conveyer belt 6 between sieve hole 19 and roller screen 17, roller screen 17 belows are provided with roller screen hole 20, comb and have set up conveyer belt 6 between sieve 16, roller screen 17 and Gravel Pit 18.
Utilize small sized loader that contaminated soil is poured onto castor sieve 16, sieve the 16 ratchel landings of sieving out to Gravel Pit 18 by comb, soil after preliminary screening falls into the sieve hole 19 of combing, be transported to roller screen 17 by conveyer belt 6 again, shock by roller screen 17 rollings and stone and soil further sieves soil, and the stone after screening is transported to Gravel Pit 18 by conveyer belt 6.The contaminated soil that sieves out falls into roller screen hole 20 and is transported to pretreater by conveyer belt 6, is transported to Equipment for Heating Processing by conveyer belt soil heats in pretreater after.
Claims (3)
1. contaminated soil pre-processing device, it is characterized in that: comprise pretreater, the tower middle part is heat supply ductwork, tower top is provided with gas skirt and buries mouthful (1), be provided with feed bin (2) at the bottom of tower, described heat supply ductwork is comprised of three layers of heat supply pipeline that vertical distribution and head and the tail connect, every one deck heat supply pipeline all comprises a snake pipe (3), two ports of this snake pipe (3) are respectively air inlet (4) and gas outlet (5), separated by plate turnover system between each layer heat supply ductwork, the air inlet (4) of bottom snake pipe (3) connects the hot-gas channel of Equipment for Heating Processing, the gas outlet (5) of top layer snake pipe (3) connects the hot-gas channel outlet, air outlet pipeline on gas skirt is connected to Equipment for Heating Processing after air-introduced machine and condensing unit, the conveyer belt (6) of pretreated soil being sent into Equipment for Heating Processing is housed in feed bin (2).
2. contaminated soil pre-processing device according to claim 1, it is characterized in that: every layer of plate turnover system is comprised of several turnover panels (7) and with the turnover panel control system, is connected, this turnover panel control system comprises column (8), cross bar (9), the arm of force (10), clamping bar (11), steel wire rope (12), pulley (13) and hoist engine (14), turnover panel (7) middle part is rotating plate shaft (15) fixedly, the bracing frame that cross bar (9) and column (8) are connected to form is fixed in the both sides of turnover panel (7), pack into and be opened in the inboard axis hole of cross bar (9) in the two ends of rotating plate shaft (15), the vertical end of being fixed in rotating plate shaft (15), bottom of the arm of force (10) corresponding with turnover panel (7) quantity, the top of the arm of force (10) is articulated on the clamping bar (11) that be arranged in parallel with cross bar (9), clamping bar (11) is connected in hoist engine (14) by steel wire rope (12) and pulley (13).
3. contaminated soil pretreatment system according to claim 1, it is characterized in that: also comprise screening and the movement system of soil being sent into pretreater, this system comprises comb sieve (16), roller screen (17) and Gravel Pit (18), comb sieve (16) below is provided with the sieve of combing and cheats (19), comb and set up conveyer belt (6) between sieve hole (19) and roller screen (17), roller screen (17) below is provided with roller screen hole (20), combs and has set up conveyer belt (6) between sieve (16), roller screen (17) and Gravel Pit (18).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310349580.0A CN103394507B (en) | 2013-08-13 | 2013-08-13 | Contaminated soil pretreatment equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310349580.0A CN103394507B (en) | 2013-08-13 | 2013-08-13 | Contaminated soil pretreatment equipment |
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| CN103394507A true CN103394507A (en) | 2013-11-20 |
| CN103394507B CN103394507B (en) | 2015-01-07 |
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| CN201310349580.0A Active CN103394507B (en) | 2013-08-13 | 2013-08-13 | Contaminated soil pretreatment equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170635A (en) * | 2015-08-26 | 2015-12-23 | 苏州宏奇锐自动化有限公司 | Automation system for repairing contaminated soil |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364036Y (en) * | 1998-09-28 | 2000-02-16 | 北京农乐肥料有限责任公司 | Organic biofertilizer fermentation device |
| CN2455713Y (en) * | 2000-12-15 | 2001-10-24 | 北京环球绿洲科技有限公司 | Organic garbage fermenting tower |
| JP2003275706A (en) * | 2002-03-20 | 2003-09-30 | Toda Kogyo Corp | Heat treatment apparatus for combustion ash |
| JP2005131467A (en) * | 2003-10-28 | 2005-05-26 | Matsushita Electric Works Ltd | Garbage disposer |
| JP2009178621A (en) * | 2008-01-29 | 2009-08-13 | Toyo Constr Co Ltd | Purification method of oil-polluted soil and purifying device |
| CN202028762U (en) * | 2011-03-22 | 2011-11-09 | 如皋市大生线路器材有限公司 | Fired mold casting shell crushing and classified-screening system |
| CN102527710A (en) * | 2012-02-27 | 2012-07-04 | 山西省环境科学研究院 | Heating processing equipment used for repairing organic contaminated site soil |
| CN102873087A (en) * | 2012-10-10 | 2013-01-16 | 北京中科通用能源环保有限责任公司 | Soil repairing system and soil repairing method |
| CN203408980U (en) * | 2013-08-13 | 2014-01-29 | 山西省环境科学研究院 | Pretreatment equipment for polluted soil |
-
2013
- 2013-08-13 CN CN201310349580.0A patent/CN103394507B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2364036Y (en) * | 1998-09-28 | 2000-02-16 | 北京农乐肥料有限责任公司 | Organic biofertilizer fermentation device |
| CN2455713Y (en) * | 2000-12-15 | 2001-10-24 | 北京环球绿洲科技有限公司 | Organic garbage fermenting tower |
| JP2003275706A (en) * | 2002-03-20 | 2003-09-30 | Toda Kogyo Corp | Heat treatment apparatus for combustion ash |
| JP2005131467A (en) * | 2003-10-28 | 2005-05-26 | Matsushita Electric Works Ltd | Garbage disposer |
| JP2009178621A (en) * | 2008-01-29 | 2009-08-13 | Toyo Constr Co Ltd | Purification method of oil-polluted soil and purifying device |
| CN202028762U (en) * | 2011-03-22 | 2011-11-09 | 如皋市大生线路器材有限公司 | Fired mold casting shell crushing and classified-screening system |
| CN102527710A (en) * | 2012-02-27 | 2012-07-04 | 山西省环境科学研究院 | Heating processing equipment used for repairing organic contaminated site soil |
| CN102873087A (en) * | 2012-10-10 | 2013-01-16 | 北京中科通用能源环保有限责任公司 | Soil repairing system and soil repairing method |
| CN203408980U (en) * | 2013-08-13 | 2014-01-29 | 山西省环境科学研究院 | Pretreatment equipment for polluted soil |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105170635A (en) * | 2015-08-26 | 2015-12-23 | 苏州宏奇锐自动化有限公司 | Automation system for repairing contaminated soil |
| CN105170635B (en) * | 2015-08-26 | 2018-06-22 | 苏州宏奇锐自动化有限公司 | A kind of automatic system for repairing polluted soil |
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| CN103394507B (en) | 2015-01-07 |
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