CN204799678U - Drip washing desorption soil pollutant's integrated device is mixed to dystopy - Google Patents

Drip washing desorption soil pollutant's integrated device is mixed to dystopy Download PDF

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Publication number
CN204799678U
CN204799678U CN201420642392.7U CN201420642392U CN204799678U CN 204799678 U CN204799678 U CN 204799678U CN 201420642392 U CN201420642392 U CN 201420642392U CN 204799678 U CN204799678 U CN 204799678U
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China
Prior art keywords
helicla flute
soil
mixing screw
wall
mixing
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CN201420642392.7U
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Chinese (zh)
Inventor
龚宇阳
李东明
穆成华
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Zhonghuan Circulating Environment Technology Co., Ltd.
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ESD (BEIJING) ENVIRONMENTAL TECHNOLOGY CENTER
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Abstract

The utility model provides a drip washing desorption soil pollutant's integrated device is mixed to dystopy belongs to environment technical field, can be used for restoreing improvement soil clay content and be less than 25%, by heavy metal pollution's soil, including drum sieve extension (22), mixing screw (23), lifting machine (24), belt filter press (25) and control system. The utility model discloses it is to handle the pollution technical scheme that soil adopted: pollute soil (26) and at first pass through drum sieve extension (22) screening, feed inlet (13) that get into mixing screw (23) are carried in pollution soil (26) after the screening, and leachate (29) are sprayed in high -pressure liquid spray device (12) on feed inlet (13) simultaneously, it is inside at mixing screw (23), pollute soil (26) and leachate (29) intensive mixing, wash, soil (31) after the washing are risen to belt filter press (25) filter -pressing, obtain clean soil (32) after the processing.

Description

A kind of dystopy mixing drip washing removes the integrated apparatus of soil pollutant
Technical field
The utility model belongs to field of environmental technology, relates to the integrated apparatus that a kind of dystopy mixing drip washing removes soil pollutant.
Background technology
Discovered in recent years China soil pollution pollution level is comparatively serious and pollution range is wide, and has the trend progressively expanded.Toxic pollutant in soil enters food chain, and wherein, typical pollutant is heavy metal.Heavy metal by food chain enrichment, and also may generate the stronger methyl compound of toxicity, poisons food chain biology, and finally at people's cylinder accumulation, serious threat human health, therefore country pays much attention to the pollution control of heavy metal.
Methods for curing heavy metal contamination in soil is generally divided into two kinds, one is in soil, change heavy metal existence, hypotoxicity stable state is transferred to by effective high toxicity activated state, this type of restorative procedure does not make heavy metal in soil total amount reduce, but the heavy metal greatly reduced in soil is to threat that the is ecological and mankind; Another kind is removal heavy metal from soil, and this type of technical method is more, but cost is high, practicality is also restricted.Above-mentioned two kinds of methods have all related to the technical process of mixing and drip washing, and therefore effective mixing is most important for the pollution of repairing and treating heavy metal with drip washing equipment.
The utility model relates to the integrated apparatus that a kind of dystopy mixing drip washing removes soil pollutant, leacheate can be played well mix with soil, can play again the integrated apparatus that soil heterotopic drip washing removes soil pollutant, simple structure, energy consumption are low, the pollutant in efficient pollution administration soil.
Utility model content
Dystopy Soil leaching selects or prepare suitable leacheate, and the pollutant in contaminated soil is cleaned out, and reprocessing contains the eluent of pollutant, and by the backfill of the soil of cleaning or transfer.
The technical scheme that the utility model solution key technical problem adopts is:
The utility model relates to the integrated apparatus that a kind of dystopy mixing drip washing removes soil pollutant, it is characterized in that, comprise cylinder round sifter (22), mixing screw (23), elevator (24), belt filter press (25) and control system.
According to the process that contaminated soil is repaired, the utility model relates to the integrated apparatus that a kind of dystopy mixing drip washing removes soil pollutant, contaminated soil is first through the screening of cylinder round sifter (22), again successively through mixing screw (23) mixing drip washing, elevator (24) is carried, and finally enters belt filter press (25) filter-press dehydration.
Wherein, mixing screw (23) is the core that a kind of dystopy mixing drip washing removes the integrated apparatus of soil pollutant, is made up of motor (18), reductor (19) and mixing screw main body; Motor (18) and reductor (19) form reducing motor, and reductor (19) output is connected by shaft coupling (20) with mixing screw main body.
Mixing screw main body is body structure, is made up of charging aperture (13), high pressure liquid spray device (12), helical axis (10) and blade (11), helicla flute, catch box (14), discharging opening (7).
Helicla flute is made up of side by side 3 separate single grooves; Spiral cell wall is assembled into interlayer by helicla flute inwall, helicla flute outer wall, helicla flute longitudinal baffle (3), loads fine sand and gravel (6) in interlayer, covers helicla flute cover plate (15) and is assembled into helicla flute; Helicla flute inwall is drilled with helicla flute inwall pore (1) and arranges helicla flute inwall reserves mud mouth (2), helicla flute outer wall is drilled with helicla flute outer wall pore (4) and arranges helicla flute outer wall reserves mud mouth (5), helicla flute inwall reserves mud mouth (2) and outer wall reserves mud mouth (5) overlap, forms earth discharging opening (7); Lay at helicla flute outer wall and blowback flusher (17) is installed; In each single groove of spiral fluted, install helical axis (10), helical axis (10) increases from head end gradually to end diameter; Helical axis is installed helical blade (11); Helical axis (10) installs bearing and gland seal device (9) at helicla flute two ends, is connected with reductor (19) by shaft coupling (20).
Catch box (14) is installed on below helicla flute, and catch box (14) shape suitable for reading is consistent with helicla flute bottom surface with size, and the gate valve (16) that intercepts water is installed in catch box (14) bottom.
Charging aperture (13) is installed on helicla flute head end top, installation high-voltage liquid-jet device (12) composition on the housing wall of charging aperture (13).
Earth discharging opening (7) is arranged on spiral groove end, connects mixing screw (23) sludge out pipe (21).
Contaminated soil (26) first through cylinder round sifter (22) screening, removes gravel, Organic residues (27) that particle diameter is excessive; Contaminated soil (26) after screening is transported into the charging aperture (13) of mixing screw (23), and the high pressure liquid spray device (12) simultaneously on charging aperture (13) sprays leacheate (29); Inner at mixing screw (23), contaminated soil (26) and leacheate (29) fully mix, pollutant desorption from contaminated soil (26) enters leacheate (29), forms the eluent (30) being rich in pollutant; Soil (31) after washing drops to elevator (24) from sludge out pipe (21), be thus lifted to belt filter press (25), by the press filtration of belt filter press (25), obtain the clean soil (32) after processing.
From the eluent (30) being rich in pollutant that mixing screw (23) and belt filter press (25) are collected, adopt the separation method of flocculating setting by the heavy metals removal in water; Leacheate (29) after heavy metal is separated is back to mixing screw (23), recycles.
The utility model, can be used for repairing and treating soil clay particle content lower than 25%, contaminated by heavy metals soil.
Accompanying drawing explanation
Fig. 1 is helicla flute inwall and longitudinal baffle; Fig. 2 is that 3 helicla flute inwalls are connected and installed mode; Fig. 3 is helicla flute outer wall; Fig. 4 is fine sand and gravel; Fig. 5 is helicla flute; Fig. 6 is helical axis; Fig. 7 is charging aperture; Fig. 8 is catch box; Fig. 9 is helicla flute cover plate; Figure 10 is mixing screw elevation cross-sectional view; Figure 11 is mixing screw top plan view; Figure 12 is mixing screw body contours figure; Figure 13 is cylinder round sifter; Figure 14 is the technique connection layout of mixing screw and matching used elevator, filter press; Figure 15 is detailed description of the invention flow chart.
In figure: helicla flute inwall pore (1), helicla flute inwall reserves mud mouth (2), helicla flute transverse baffle (3), helicla flute outer wall pore (4), helicla flute outer wall reserves mud mouth (5), fine sand and gravel (6), mixing screw mud mouth (7), desilt scraper plate (8), bearing and gland seal device (9), helical axis (10), helical blade (11), high pressure liquid spray device (12), charging aperture (13), catch box (14), helicla flute cover plate (15), intercept water gate valve (16), blowback flusher (17), motor (18), reductor (19), shaft coupling (20), mixing screw sludge out pipe (21), cylinder round sifter (22), mixing screw (23), elevator (24), belt filter press (25), contaminated soil (26), the gravel that particle diameter is excessive, Organic residues (27), contaminated soil (28) after screening, leacheate (29), be rich in the eluent (30) of pollutant, soil (31) after washing, clean soil (32) after process.
Detailed description of the invention
Dystopy soil mixing elution technique flow process is: the excavation → soil particle of contaminated soil sieves → mix the disposal of soil after drip washing process and Separation of Solid and Liquid → leacheate process → drip washing.
The utility model follows above techniqueflow, and cylinder round sifter (22) is for removing the excessive gravel of particle diameter, Organic residues (27), in order to avoid infringement system equipment; Mixing screw (23) and belt filter press (25) are for the drip washing process of contaminated soil and Separation of Solid and Liquid.
Mixing screw (23) is the core that a kind of dystopy mixing drip washing removes the integrated apparatus of soil pollutant, and its motor (18) provides power, is connected with reductor (19); Reductor (19) is for reduction of speed, increase moment of torsion; Mixing screw (23) is for fully mixing contaminated soil (26) and deployed leacheate (29), and pollutant is desorb from soil, is dissolved in leacheate (29); Stirred by spiral and push and contaminated soil (26) is carried out mixing, washing, be rich in the eluent (30) of pollutant from seepage flow between mixing screw gravel gap in catch box (14).
Detailed description of the invention is:
Contaminated soil (26) is put into cylinder round sifter (22) continuously by feeding conveyer belt, sieve out the excessive gravel of particle diameter, Organic residues (27), the contaminated soil (28) after screening puts into mixing screw (23) by feeding conveyer belt.
When contaminated soil (26) puts into charging aperture (13) of mixing screw (23), leacheate (29) is showered on contaminated soil (26) by the high pressure liquid spray device (12) of charging aperture (13), and contaminated soil (26) fully mixes in mixing screw (23) Mixed Zone with leacheate (29), at contaminated soil (26) feed end, helical axis diameter is little, contaminated soil (26) fully mixes with leacheate (29) by spiral, pollutant is leached liquid (29) and dissolves leaching in contaminated soil (26), along with the increase gradually of helical axis (10) diameter, the eluent (30) being rich in pollutant from the fine sand between spiral cell wall and between gravel (6) gap seepage flow in catch box (14), and to be struck off by desilt scraper plate (8) by the soil after washing and revolve mixer mud mouth (7), belt filter press (25) press filtration is delivered to again by elevator (24), the comparatively wet soil earth that belt filter press (25) will produce from mixing screw (23) carries out de-liquid process further, obtain the clean soil (32) after processing, the eluent (30) being rich in pollutant after press filtration and mixing screw (23) extrude eluent (30) collected both being rich in pollutant that obtains to pollution plot pond, add flocculant process, obtain drip washing pretreatment fluid up to standard, drip washing pretreatment fluid, through being deployed into suitable leacheate (29), returning mixing screw (23) and recycles.
Control system major function be control motor switch, anxious to stop, belt deviation rectifying and tension; The earth of discharging from mixing screw sludge out pipe (21), for earth transmission in repair process, is promoted to belt filter press (25) by elevator (24).
For the leacheate (29) of washed off soil, comprise inorganic acid alkali solution leacheate, organic acid and salt leacheate thereof, metal-chelator, surfactant, compound leacheate and water etc., should select according to different contaminated soils.

Claims (1)

1. a dystopy mixes the integrated apparatus that drip washing removes soil pollutant, it is characterized in that, described device comprises: cylinder round sifter (22), mixing screw (23), elevator (24), belt filter press (25) and control system;
Mixing screw (23) is the core that a kind of dystopy mixing drip washing removes the integrated apparatus of soil pollutant, is made up of motor (18), reductor (19) and mixing screw main body; Motor (18) and reductor (19) form reducing motor, and reductor (19) output is connected by shaft coupling (20) with mixing screw main body;
Mixing screw main body is body structure, is made up of charging aperture (13), high pressure liquid spray device (12), helical axis (10) and blade (11), helicla flute, catch box (14), discharging opening (7);
Helicla flute is made up of side by side 3 separate single grooves; Spiral cell wall is assembled into interlayer by helicla flute inwall, helicla flute outer wall, helicla flute longitudinal baffle (3), loads fine sand and gravel (6) in interlayer, covers helicla flute cover plate (15) and is assembled into helicla flute; Helicla flute inwall is drilled with helicla flute inwall pore (1) and arranges helicla flute inwall reserves mud mouth (2), helicla flute outer wall is drilled with helicla flute outer wall pore (4) and arranges helicla flute outer wall reserves mud mouth (5), helicla flute inwall reserves mud mouth (2) and outer wall reserves mud mouth (5) overlap, forms earth discharging opening (7); Lay at helicla flute outer wall and blowback flusher (17) is installed; In each single groove of spiral fluted, install helical axis (10), helical axis (10) increases from head end gradually to end diameter; Helical axis is installed helical blade (11); Helical axis (10) installs bearing and gland seal device (9) at helicla flute two ends, is connected with reductor (19) by shaft coupling (20);
Catch box (14) is installed on below helicla flute, and catch box (14) shape suitable for reading is consistent with helicla flute bottom surface with size, and the gate valve (16) that intercepts water is installed in catch box (14) bottom;
Charging aperture (13) is installed on helicla flute head end top, installation high-voltage liquid-jet device (12) composition on the housing wall of charging aperture (13);
Earth discharging opening (7) is arranged on spiral groove end, connects mixing screw (23) sludge out pipe (21).
CN201420642392.7U 2014-10-30 2014-10-30 Drip washing desorption soil pollutant's integrated device is mixed to dystopy Active CN204799678U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420642392.7U CN204799678U (en) 2014-10-30 2014-10-30 Drip washing desorption soil pollutant's integrated device is mixed to dystopy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420642392.7U CN204799678U (en) 2014-10-30 2014-10-30 Drip washing desorption soil pollutant's integrated device is mixed to dystopy

Publications (1)

Publication Number Publication Date
CN204799678U true CN204799678U (en) 2015-11-25

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153176A (en) * 2018-03-30 2019-08-23 苏州朝霞生物科技有限公司 A kind of microorganism for contaminated soil remediation is mixed into device
CN113732043A (en) * 2021-07-28 2021-12-03 湖南新九方科技有限公司 Heavy metal polluted medium enhanced leaching device and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110153176A (en) * 2018-03-30 2019-08-23 苏州朝霞生物科技有限公司 A kind of microorganism for contaminated soil remediation is mixed into device
CN113732043A (en) * 2021-07-28 2021-12-03 湖南新九方科技有限公司 Heavy metal polluted medium enhanced leaching device and method

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Effective date of registration: 20190828

Address after: Room 905, 9th floor, B17 Building, Phase II, Construction of Financial Background Service Center Base, 77 Guanggu Avenue, Donghu New Technology Development Zone, Wuhan, Hubei Province

Patentee after: Zhonghuan Circulating Environment Technology Co., Ltd.

Address before: 100102 Beijing Chaoyang District City, Fu Tong East Street, No. 6 Fangheng International Center B block 1008

Patentee before: ESD (BEIJING) ENVIRONMENTAL TECHNOLOGY CENTER