CN109759214A - A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation - Google Patents
A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation Download PDFInfo
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- CN109759214A CN109759214A CN201910085881.4A CN201910085881A CN109759214A CN 109759214 A CN109759214 A CN 109759214A CN 201910085881 A CN201910085881 A CN 201910085881A CN 109759214 A CN109759214 A CN 109759214A
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Abstract
The invention discloses a kind of crushing mechanisms suitable for heavy-metal contaminated soil reparation, including conveyer belt, pretreatment chamber and crushing chamber, conveyer belt extends into pretreatment chamber from outside, warm-air drier is provided in pretreatment chamber, extend several warm wind spouts from warm-air drier, warm wind spout is directed at conveyer belt, the import of crushing chamber extends into pretreatment chamber, and the end of conveyer belt, which is arranged above import, is used for feeding, relatively turnable hack gear and turntable there are two being set in crushing chamber, interval is equipped between the circumferential surface of two hack gears, the surface at interval is arranged in import, the underface at interval is arranged in turntable, turntable is equipped with several hack bars, hack bar, the axis of turntable and hack gear is parallel to each other.A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation of the invention, has the advantages that crushing effect is good.
Description
Technical field
The present invention relates to soil remediation more particularly to a kind of crushing mechanisms suitable for heavy-metal contaminated soil reparation.
Background technique
In the prior art, soil is the material base of the sustainable development of socio-economy, and protecting soil environment is to promote life
The important content of state civilization construction.
In the pollutant of serious pollution, heavy metal is primary pollution source.Due to mankind's activity, the trace meter in soil is first
The content of element in the soil is more than background value, and excess deposition causes the too high levels of heavy metal-polluted soil, causes heavy metal-polluted soil dirty
Dye.Heavy metal refers to the metal that specific gravity is equal to or more than 5.0, mainly includes the bio-toxicities such as cadmium, mercury, lead, chromium and metalloid arsenic
The elements such as significant element, and the zinc, copper, nickel that have certain toxicity.These pollution elements are mainly from pesticide, waste water, sludge
With atmospheric sedimentation etc., if cadmium, lead contamination are mainly from discharge and automobile exhaust gas sedimentation is smelted, mercury is mainly from mercury-containing waste water, arsenic
Then it is widely used as insecticide, fungicide, rat poison and herbicide.Excessive heavy metal can cause physiological function of plants disorder, battalion
Imbalance is supported, the elements such as cadmium, mercury concentration coefficient in crop grain is higher, even more than food hygienic standard, nor affects on crop
Growth, development and yield, furthermore mercury, arsenic can weaken and inhibit nitrification in soil, amonifying bacteria activity, influence Nitrogen supplying.Weight
Metal pollutant mobility very little in the soil, is not microbial degradation, after entering human body by food chain, potential hazard pole
Greatly.Stone grand style and Tailings Dam are not yet established in some mines in exploitation, and barren rock and tailing are arbitrarily stacked, and cause in tailing rich in hardly possible
The heavy metal of solution enters soil, and remaining metal waste residue with rainwater enters ground water regime after ore processing in addition, causes serious
Heavy metal pollution of soil.Industrial 10 kinds of metallic elements that have for being really divided into heavy metal: copper, lead, zinc, tin, nickel, cobalt, antimony,
Mercury, cadmium and bismuth.And for the angle of soil-plant system, international educational circles thinks, only the elements such as cadmium, cobalt, selenium to animal and
The greatest risk that human health causes damages.Human health is caused to be damaged because of food chain, mainly cadmium and selenium.
The soil remediation method of current main-stream is chemical harnessing, application No. is CN201810086251.4, entitled one kind
A kind of restorative procedure is disclosed in the elution processing method of heavy-metal contaminated soil, by being eluted soil to reach soil
It repairs, finds in actual use, if the blocking meeting of soil hardening is so that elution effect reduces before elution, it is therefore desirable to be added
Broken process pre-processes hardened soil, but soil crusher on the market face it is also hardened simultaneously containing different in moisture
Soil block crushing effect is unstable, finally influences repairing effect.
Summary of the invention
It is repaired suitable for heavy-metal contaminated soil technical problem to be solved by the invention is to provide a kind of crushing effect is good
Multiple crushing mechanism.
The present invention is realized by following technical solution:
A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation, including conveyer belt, pretreatment chamber and crushing chamber,
Conveyer belt extends into pretreatment chamber from outside, and warm-air drier is provided in pretreatment chamber, extends several warm winds from warm-air drier
Spout, warm wind spout are directed at conveyer belt, and the import of crushing chamber extends into pretreatment chamber, and the end setting of conveyer belt into
Mouthful top is used for feeding, sets that there are two relatively turnable hack gear and turntable, the weeks of two hack gears in crushing chamber
Interval is equipped between face, import is arranged in the surface at interval, and turntable is arranged in the underface at interval, and turntable is equipped with several broken
The axis of native bar, hack bar, turntable and hack gear is parallel to each other.
It preferably, further include exhaust fan, the top of pretreatment chamber is arranged in exhaust fan.
Preferably, the inlet pipe of the outlet pipe connection warm-air drier of exhaust fan.
Preferably, exhaust fan is connected with filter, and filter is filtered for heavy metal adsorption and/or moisture drying filtering.
Preferably, conveyer belt is Z-shape in pretreatment chamber, spiral shape or S-shaped structure, biography of the warm wind spout along conveyer belt
Send path profile in upper and lower two sides.
Preferably, import is in bucket-shaped, and conveyer belt reverse-running section is provided with material brush, and the top of import is arranged in material brush.
Preferably, temperature inductor is provided in pretreatment chamber.
Beneficial effect is: compared with prior art, a kind of crushing mechanism suitable for heavy-metal contaminated soil reparation passes through
Setting conveyer belt, pretreatment chamber and crushing chamber, conveyer belt extend into pretreatment chamber from outside, are provided in pretreatment chamber warm
Blower extends several warm wind spouts from warm-air drier, and warm wind spout is directed at conveyer belt, the process that soil block is transmitted in conveyer belt
In by warm wind heat temperature raising, moisture, the certain noxious material of evaporation/decomposition are dried, so that the soil block of agglomeration can be preferably
The processing that is broken, the import of crushing chamber extends into pretreatment chamber, and the end setting of conveyer belt is used for above import
Feeding is set in crushing chamber there are two relatively turnable hack gear and turntable, is equipped between the circumferential surface of two hack gears
The surface at interval is arranged in interval, import, and the underface at interval is arranged in turntable, and turntable is equipped with several hack bars, hack
The axis of bar, turntable and hack gear is parallel to each other, further strengthens and smashes effect, so that soil can only be more by hack bar
Crushing chamber bottom can be just fallen into after secondary impact, so that soil breaking effect is good.
Detailed description of the invention
Below in conjunction with attached drawing, specific embodiments of the present invention will be described in further detail, in which:
Fig. 1 is the crushing mechanism structural schematic diagram suitable for heavy-metal contaminated soil reparation of the invention.
Specific embodiment
As shown in Figure 1, a kind of crushing mechanism suitable for heavy-metal contaminated soil reparation, including conveyer belt 11, pretreatment
Room 12 and crushing chamber 13, conveyer belt 11 is extended into from outside for inputting soil block to be broken in pretreatment chamber 12, pre- to locate
Reason is provided with warm-air drier 121 in room 12, extends several warm wind spouts 123 from warm-air drier 121, the alignment of warm wind spout 123 passes
Band 11 is sent, soil block, by warm wind heat temperature raising, dries moisture during conveyer belt 11 transmits, evaporation/decomposition centainly has
Noxious material, enables the soil block of agglomeration to be preferably broken processing, and the import 131 of crushing chamber 13 extends into pretreatment chamber 12
Interior, the end of conveyer belt 11 is arranged above import 131, and soil block falls into import 131 from conveyer belt 11 and completes feeding, crushing chamber
It is set in 13 there are two relatively turnable hack gear 132 and turntable 134, is equipped between the circumferential surface of two hack gears 132
The surface at interval 133 is arranged in interval 133, import 131, and the underface at interval 133 is arranged in turntable 134, and turntable 134 is equipped with
Several hack bars 136, the axis of hack bar 136, turntable 134 and hack gear 132 are parallel to each other；Two hack gears
132 carry out soil block preliminary crushing, and the soil tentatively crushed is fallen on turntable 134, and turntable 134 rotates, and drive broken
Native bar 136 rotates, and hack bar 136 further smashes the soil tentatively crushed, and multiple hack bars 136 constitute ring structure,
Further strengthen and smash effect, so that soil can only can just fall into 13 bottom of crushing chamber after by hack bar more than 136 times impacts, makes
It is good to obtain soil breaking effect.
Preferable embodiment, as shown in Figure 1, further including exhaust fan 122, pretreatment chamber 12 is arranged in exhaust fan 122
Top, for cooperating warm-air drier 121 to extract the cold air in pretreatment chamber 12 out, so that drying effect is good；In addition, to save energy
The outlet pipe of exhaust fan 122 can be connected the inlet pipe of warm-air drier 121 to form interior circulation by source.
Preferable embodiment, as shown in Figure 1, can be connected with filter 124 on exhaust fan 122, filter 124 is for weight
Metal adsorption filtering and/or moisture drying filtering, prevent the pollutant of heavy-metal contaminated soil to be discharged in atmospheric environment.
Preferable embodiment, as shown in Figure 1, conveyer belt 11 Z-shape, spiral shape or S-shaped knot in pretreatment chamber 12
Structure, warm wind spout 123 is distributed in two sides up and down along the transmitting path of conveyer belt 11, so that soil block can transmit on conveyer belt 11
More long, to guarantee that heating is thorough.
Preferable embodiment, as shown in Figure 1, import 131 in bucket-shaped, conveniently catches the soil fallen from conveyer belt 11
Earth, 11 reverse-running section of conveyer belt are provided with material brush 111, and material brush 111 is arranged in the top of import 131, prevents soil from sticking in transmission
On band 11.
Preferable embodiment, as shown in Figure 1, temperature inductor 125 is provided in pretreatment chamber 12, the pre- place of monitoring at any time
Manage the temperature in room 12.
The above embodiments are merely illustrative of the technical solutions of the present invention and is not intended to limit it, all without departing from the present invention
Any modification of spirit and scope or equivalent replacement, shall fall within the scope of the technical solution of the present invention.
Claims (7)
1. a kind of crushing mechanism suitable for heavy-metal contaminated soil reparation, it is characterised in that: including conveyer belt (11), pretreatment
Room (12) and crushing chamber (13), the conveyer belt (11) extend into the pretreatment chamber (12) from outside, the pretreatment
Warm-air drier (121) are provided in room (12), extend several warm wind spouts (123), the warm wind from the warm-air drier (121)
Spout (123) is directed at the conveyer belt (11), and the import (131) of the crushing chamber (13) extends into the pretreatment chamber (12)
It is interior, and the end setting of the conveyer belt (11) is used for feeding above the import (131), sets in the crushing chamber (13)
There are two relatively turnable hack gear (132) and turntable (134), between the circumferential surface of two hack gears (132)
Equipped with interval (133), in the surface of the interval (133), the turntable (134) is arranged in institute for import (131) setting
The underface of interval (133) is stated, the turntable (134) is equipped with several hack bars (136), the hack bar (136), described turn
The axis of disk (134) and the hack gear (132) is parallel to each other.
2. the crushing mechanism according to claim 1 suitable for heavy-metal contaminated soil reparation, it is characterised in that: further include
Exhaust fan (122), top of exhaust fan (122) setting in the pretreatment chamber (12).
3. the crushing mechanism according to claim 2 suitable for heavy-metal contaminated soil reparation, it is characterised in that: the pumping
The outlet pipe of blower (122) connects the inlet pipe of the warm-air drier (121).
4. the crushing mechanism according to claim 2 suitable for heavy-metal contaminated soil reparation, it is characterised in that: the pumping
Blower (122) is connected with filter (124), and the filter (124) is filtered for heavy metal adsorption and/or moisture drying mistake
Filter.
5. the crushing mechanism according to any one of claims 1 to 3 suitable for heavy-metal contaminated soil reparation, feature exist
In: the conveyer belt (11) Z-shape, spiral shape or S-shaped structure in the pretreatment chamber (12), the warm wind spout
(123) transmitting path along the conveyer belt (11) is distributed in two sides up and down.
6. the crushing mechanism according to any one of claims 1 to 3 suitable for heavy-metal contaminated soil reparation, feature exist
In: the import (131) in bucket-shaped, conveyer belt (11) reverse-running section is provided with material brush (111), material brush (111) setting
In the top of the import (131).
7. the crushing mechanism according to any one of claims 1 to 3 suitable for heavy-metal contaminated soil reparation, feature exist
In: temperature inductor (125) are provided in the pretreatment chamber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085881.4A CN109759214A (en) | 2019-01-29 | 2019-01-29 | A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910085881.4A CN109759214A (en) | 2019-01-29 | 2019-01-29 | A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation |
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| CN109759214A true CN109759214A (en) | 2019-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910085881.4A Pending CN109759214A (en) | 2019-01-29 | 2019-01-29 | A kind of crushing mechanism suitable for heavy-metal contaminated soil reparation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172085A (en) * | 2021-05-25 | 2021-07-27 | 安徽省通源环境节能股份有限公司 | Intelligent control microwave preposed indirect thermal desorption system |
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Application publication date: 20190517 |