CN213671093U - Polluted soil ectopic leaching repair system - Google Patents

Abstract

The utility model discloses a pollute heterotopic drip washing repair system of soil, include: the device comprises a soil crusher, a conveying belt, a roller vibration screening machine, a quantitative feeding scale, a medicament barrel, a quantitative pump, a leaching stirrer, a waste gas treatment device, a waste water treatment device, a screw conveyor and a filter press; two ends of the conveying belt are arranged below the soil crusher and above the roller vibration screening machine; two ends of the quantitative feeding scale are arranged below the roller vibration screening machine and above the leaching stirrer; two ends of the screw conveyer are arranged below the leaching stirrer and above the filter press; the leaching stirrer and the filter press are connected with a wastewater treatment device, the leaching stirrer is connected with the reagent barrel, the constant delivery pump and the waste gas treatment device, and the reagent barrel is provided with a metering valve. The utility model realizes the quantitative feeding by arranging the quantitative feeding scale, the metering valve and the quantitative pump, ensures the quantitative reaction of soil, leaching agent and clear water, and has accurate ratio; through setting up conveyer belt and screw conveyer, polluted soil treatment efficiency has been improved.

Description

Polluted soil ectopic leaching repair system

Technical Field

The utility model relates to a soil remediation technical field especially relates to a pollute heterotopic drip washing repair system of soil.

Background

Soil pollution is an important environmental problem faced at present, once the soil environment is polluted, the soil environment is difficult to restore thoroughly, and the soil pollution not only can influence the yield and the quality of agricultural products, but also can influence the living environment and threaten the life health of human beings. The existing soil pollution remediation technology mainly comprises solidification stabilization, leaching, bioremediation and the like, the solidification stabilization remediation cost is high, and pollutants are easy to activate; the plant restoration period is long and the effect is slow.

The leaching method is a soil remediation method which injects a chemical solvent into contaminated soil to promote the dissolution and separation of pollutants from soil particles and then separates the soil from a leaching solution, but the existing leaching remediation equipment has the problems of low treatment efficiency, inaccurate proportioning and the like.

Accordingly, the prior art is yet to be improved and developed.

SUMMERY OF THE UTILITY MODEL

In view of the not enough of above-mentioned prior art, the utility model aims to provide a pollute different position drip washing repair system of soil to there is the treatment effeciency low in solving current drip washing repair equipment, and the ratio is accurate scheduling problem inadequately.

The technical scheme of the utility model as follows:

an ectopic leaching repair system for polluted soil, which comprises: the device comprises a soil crusher, a conveying belt, a roller vibration screening machine, a quantitative feeding scale, a medicament barrel, a quantitative pump, a leaching stirrer, a waste gas treatment device, a waste water treatment device, a screw conveyor and a filter press; wherein the content of the first and second substances,

the soil crusher comprises a crusher discharge port, the roller vibration screening machine comprises a screening machine feed port and a screening machine first discharge port, one end of the conveying belt is arranged below the crusher discharge port, and the other end of the conveying belt is arranged above the screening machine feed port;

the leaching stirrer comprises a leaching feed inlet and a leaching discharge outlet, one end of the quantitative feeding scale is arranged below the first discharge outlet of the screening machine, and the other end of the quantitative feeding scale is arranged above the leaching feed inlet;

the filter press comprises a filter pressing feed inlet, one end of the spiral conveyor is arranged below the leaching discharge outlet, and the other end of the spiral conveyor is arranged above the filter pressing feed inlet;

the leaching agitator and the filter press are respectively connected with the wastewater treatment device, the leaching agitator is also connected with the reagent barrel, the dosing pump and the waste gas treatment device, and the reagent barrel is provided with a metering valve.

Pollute soil dystopy drip washing repair system, wherein, soil breaker still includes breaker body, broken gear, breaker feed inlet, the breaker feed inlet with the breaker discharge gate respectively with this body coupling of breaker, broken gear set up in this is internal for the breaker.

Contaminated soil dystopy drip washing repair system, wherein, broken gear sets up to two, the breaker feed inlet the breaker discharge gate with two the central line of broken gear is on same straight line.

Contaminated soil dystopy drip washing repair system, wherein, the breaker feed inlet comprises three perpendicular to the side of breaker body and one slope in the side of breaker body, the angle of inclination that is inclined to the side of breaker body is 60.

Contaminated soil dystopy drip washing repair system, wherein, cylinder vibration screening machine still includes screening machine body and screen cloth, the screening machine feed inlet with the first discharge gate of screening machine with this body coupling of screening machine, the screen cloth set up in the screening machine is originally internal.

Contaminated soil dystopy drip washing repair system, wherein, cylinder vibration screening machine still includes screening machine second discharge gate, screening machine second discharge gate one end with this body coupling of screening machine, the screening machine second discharge gate other end with soil breaker is connected, this internal being close to of screening machine second discharge gate position is provided with the ooff valve.

Pollute soil dystopy drip washing repair system, wherein, the drip washing agitator still includes drip washing stirring body, (mixing) shaft, medicament shower head and stirring vane, the drip washing feed inlet with the drip washing discharge gate with drip washing stirring body coupling, the medicament shower head with the (mixing) shaft set up in the drip washing stirring body, stirring vane set up in on the (mixing) shaft.

Contaminated soil dystopy drip washing repair system, wherein, the medicament shower head sets up to two, two the medicament shower head is symmetrical to be set up in the (mixing) shaft both sides.

Contaminated soil dystopy drip washing repair system, wherein, the drip washing agitator still includes the drip washing delivery port, the drip washing delivery port with drip washing stirring body coupling, drip washing delivery port position is provided with outlet valve and first filter screen.

Pollute soil dystopy drip washing repair system, wherein, the pressure filter still includes pressure filter body, filter-pressing board, filter-pressing delivery port and second filter screen, the filter-pressing feed inlet with the filter-pressing delivery port with this body coupling of pressure filter, the filter-pressing board with the second filter screen set up in this is internal to the pressure filter.

Has the advantages that: the utility model realizes the quantitative feeding by arranging the quantitative feeding scale, the metering valve and the quantitative pump, ensures the quantitative reaction of soil, leaching agent and clear water, and has accurate ratio; through setting up conveyer belt and screw conveyer, polluted soil treatment efficiency has been improved.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of the heterotopic leaching remediation system for contaminated soil of the present invention;

fig. 2 is a partial structure enlarged view of the leaching water outlet of the utility model.

The various symbols in the drawings: 1. a soil crusher; 2. a conveyor belt; 3. a roller vibration screening machine; 4. weighing the quantitative feeding materials; 5. a medicament barrel; 6. a metering valve; 7. a constant delivery pump; 8. leaching the stirrer; 9. an exhaust gas treatment device; 10. a wastewater treatment device; 11. a screw conveyor; 12. a filter press; 101. a crusher body; 102. crushing the gear; 103. a crusher feed port; 104. a discharge port of the crusher; 301. a screening machine body; 302. screening a screen; 303. a feeding hole of the sieving machine; 304. a first discharge port of the screening machine; 305. a second discharge port of the screening machine; 306. an on-off valve; 401. a quantitative feed inlet; 801. leaching and stirring the body; 802. leaching the feed inlet; 803. leaching a discharge hole; 804. a stirring shaft; 805. a medicament spray header; 806. a stirring blade; 807. a water outlet is leached; 808. a first filter screen; 809. a water outlet valve; 121. a filter press body; 122. pressing the filter plate; 123. filter pressing the feed inlet; 124. filter pressing the water outlet; 125. and a second filter screen.

Detailed Description

The utility model provides an ectopic leaching repair system for contaminated soil, which can be applied to leaching repair of contaminated soil, wherein a quantitative feeding scale, a leaching stirrer, a metering valve and a quantitative pump are connected through a belt, a conveyor belt or a pipeline, so that quantitative reaction of soil, leaching agent and clear water is ensured, and the proportion is accurate; one end of the quantitative feeding scale is positioned below the first discharge port of the screening machine, and the other end of the quantitative feeding scale is positioned above the leaching feed port, so that quantitative feeding is realized, and the treatment efficiency is high. In order to make the objects, technical solutions and effects of the present invention clearer and clearer, the present invention will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

In the embodiments and claims, the terms "a" and "an" can mean "one or more" unless the article is specifically limited.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-2, the utility model provides an ectopic leaching and repairing system for contaminated soil.

As shown in figure 1, the utility model provides an ectopic drip washing repair system for contaminated soil, this drip washing repair system is applied to the drip washing repair of contaminated soil. Wherein, the leaching repair system includes: the device comprises a soil crusher 1, a conveyor belt 2, a roller vibration screening machine 3, a quantitative feeding scale 4, a medicament barrel 5, a quantitative pump 7, a leaching stirrer 8, a waste gas treatment device 9, a waste water treatment device 10, a screw conveyor 11 and a filter press 12; the soil crusher 1 comprises a crusher discharge port 104, the roller vibration screening machine 3 comprises a screening machine feed port 303 and a screening machine first discharge port 304, one end of the conveyor belt 2 is arranged below the crusher discharge port 104, and the other end of the conveyor belt 2 is arranged above the screening machine feed port 303; the leaching stirrer 8 comprises a leaching feed port 802 and a leaching discharge port 803, one end of the quantitative feeder scale 4 is arranged below the first discharge port 304 of the sieving machine, and the other end of the quantitative feeder scale 4 is arranged above the leaching feed port 802; the filter press 12 comprises a filter press feed inlet 123, one end of the screw conveyor 11 is arranged below the leaching discharge outlet 803, and the other end of the screw conveyor 11 is arranged above the filter press feed inlet 123; the leaching stirrer 8 and the filter press 12 are respectively connected with the wastewater treatment device 10, the leaching stirrer 8 is also connected with the reagent barrel 5, the dosing pump 7 and the waste gas treatment device 9, and the reagent barrel 5 is provided with a metering valve 6. When polluted soil is leached and repaired, the polluted soil is crushed by a soil crusher 1 and then is conveyed into a roller vibration screening machine 3 by a conveyor belt 2 for screening, the polluted soil screened by the roller vibration screening machine 3 is quantitatively fed into a leaching stirrer 8 by a quantitative feeding scale 4, a leaching agent stored in an agent barrel 5 is quantitatively sprayed onto the surface of soil particles in the leaching stirrer 8 by a quantitative valve, after reacting for a period of time, wastewater enters a wastewater treatment device 10, waste gas generated in the reaction process enters a waste gas treatment device 9, clean water is pumped into the leaching stirrer 8 by a quantitative pump 7, the leaching agent on the surface of the soil is washed clean, the wastewater enters the wastewater treatment device 10, and the clean soil enters a filter press for dewatering and filter pressing through a screw conveyor 11. In the polluted soil ex-situ leaching remediation system in the embodiment, the quantitative feeding scale 4, the leaching stirrer 8 and the metering valve 6 are connected with the quantitative pump 7 through a belt, a conveyor belt or a pipeline, so that quantitative reaction of soil, leaching agent and clear water is ensured, and the proportion is accurate; one end of the quantitative feeding scale 4 is positioned below the first discharge port of the sieving machine, and the other end of the quantitative feeding scale is positioned above the leaching feed port, so that quantitative feeding is realized, and the treatment efficiency is high.

Specifically, in this embodiment soil crusher 1 still includes breaker body 101, broken gear 102 and breaker feed inlet 103, breaker feed inlet 103 with breaker discharge gate 104 respectively with breaker body 101 is connected, breaker feed inlet 103 is located breaker body 101 top, breaker discharge gate 104 is located breaker body 101 below, 2 one end of conveyer belt set up in breaker discharge gate 104 below, broken gear 102 set up in breaker body 101. When the polluted soil is leached and repaired, the polluted soil enters the crusher body 101 from the crusher feeding hole 103, the polluted soil is crushed by the crushing gear 102, the crushed polluted soil reaches the conveyor belt 2 from the crusher discharging hole 104, and the polluted soil is conveyed to the roller vibration screening machine 3 for screening by the conveyor belt 2.

Furthermore, the number of the crushing gears 102 is two, the central lines of the crusher feed inlet 103, the crusher discharge outlet 104 and the two crushing gears 102 are on the same straight line, the two crushing gears 102 are mutually meshed and are driven by the driving device to carry out meshing grinding on the polluted soil, and the polluted soil crushing is realized. The crusher feed port 103 is composed of three sides perpendicular to the crusher body 101 and a side inclined to the crusher body 101, and the inclination angle of the side inclined to the crusher body 101 is 60 °, and by setting one of the four sides of the crusher feed port 103 as an inclined surface, contaminated soil can be easily introduced into the crusher body 101 smoothly.

In a specific embodiment, the roller vibratory screening machine 3 further includes a screening machine body 301 and a screen 302, the screening machine feeding port 303 and the screening machine first discharging port 304 are connected to the screening machine body 301, the screening machine feeding port 303 is disposed on the left side of the screening machine body 301, one end of the conveyor belt 2 is located above the screening machine feeding port 303, the screening machine first discharging port 304 is disposed at the lower end of the screening machine body 301, the dosing scale 4 includes a dosing port 401, the screening machine first discharging port 304 is located at the upper end of the dosing port 401, and the screen 302 is disposed in the screening machine body 301. When the polluted soil is leached and repaired, the crushed polluted soil conveyed by the conveyor belt 2 enters the sieving machine body 301 through the sieving machine feeding hole 303, is sieved by the sieve 302 in the sieving machine body 301, and then reaches the dosing scale 4 through the first sieving machine discharging hole 304 for dosing.

Further, the roller vibration screening machine 3 further comprises a second screening machine discharge port 305, the second screening machine discharge port 305 is connected with the screening machine body 301, one end of the second screening machine discharge port 305 is connected with the screening machine body 301, the other end of the second screening machine discharge port 305 is connected with the soil crusher 1,

the screening machine body 301 is inclined towards the leaching agitator 8, a switch valve 306 is arranged in the screening machine body 301 and close to the second screening machine discharge port 305, and after the switch valve 306 is opened, the polluted soil which does not pass through the screen 302 can be returned to the soil crusher 1 for crushing again through the second screening machine discharge port 305.

In a specific embodiment, the washing agitator 8 further includes a washing agitator body 801, an agitating shaft 804, a chemical spray header 805 and an agitating blade 806, the washing feed port 802 and the washing discharge port 803 are connected to the washing agitator body 801, the chemical spray header 805 and the agitating shaft 804 are disposed in the washing agitator body 801, and the agitating blade 806 is disposed on the agitating shaft 804. When the polluted soil is leached and repaired, the screened polluted soil enters the leaching stirring body 801 from the leaching feed inlet 802, the leaching agent stored in the agent barrel 5 is quantitatively sprayed onto the surface of soil particles through the metering valve 6, the soil particles are fully and uniformly mixed through the stirring blades 806, and after the reaction is carried out for a period of time, the clean soil reaches the screw conveyor 11 from the leaching discharge outlet 803, and is conveyed to the filter press 12 by the screw conveyor 11 for filter pressing.

Further, in order to mix the leaching agent and the contaminated soil sufficiently, in this embodiment, two agent spray headers 805 are provided, and the two agent spray headers 805 are symmetrically disposed on two sides of the stirring shaft 804. The leaching agitator 8 further comprises a leaching water outlet 807, the leaching water outlet 807 is connected with the leaching agitation body 801 and the wastewater treatment device 10, and a water outlet valve 809 and a first filter screen 808 are arranged at the position of the leaching water outlet 807. When the polluted soil is leached and repaired, after the water outlet valve 809 is opened, leaching agents and water after the polluted soil is leached are filtered by the first filter screen 808 and then enter the wastewater treatment device 10.

In a specific embodiment, the filter press 12 further includes a filter press body 121, a filter press plate 122, a filter press water outlet 124 and a second filter screen 125, the filter press feed inlet 123 and the filter press water outlet 124 are connected to the filter press 12, one end of the screw conveyor 11 is located above the filter press feed inlet 123, one end of the filter press water outlet 124 is connected to the filter press body, the other end of the filter press water outlet 124 is connected to the wastewater treatment device 10, the filter press feed inlet 123 is disposed on the upper portion of the filter press body 121, the filter press water outlet 124 is disposed on the lower portion of the filter press body 121, the center lines of the filter press feed inlet 123 and the filter press water outlet 124 are located on the same straight line, the filter press plate 122 is disposed in the filter press body 121, the filter press plates 122 are symmetrically disposed in two, and the filter press plates 122 are symmetrically disposed on both sides of, the second filter screen 125 is disposed in the filter press body 121 and below the filter press plate 122. When the polluted soil is leached and repaired, the clean soil is conveyed to the filter pressing feed port 123 by the screw conveyor 11 and enters the filter pressing body 121 from the filter pressing feed port 123, the filter pressing plates 122 move in opposite directions under the driving of the driving device to press the clean soil in the filter pressing body 121, and the water squeezed out of the clean soil is filtered by the second filter screen 125 and then enters the wastewater treatment device 10 for treatment through the filter pressing water outlet 124.

To sum up, the utility model provides a pollute soil dystopy drip washing repair system, include: the device comprises a soil crusher, a conveying belt, a roller vibration screening machine, a quantitative feeding scale, a medicament barrel, a quantitative pump, a leaching stirrer, a waste gas treatment device, a waste water treatment device, a screw conveyor and a filter press; the soil crusher comprises a crusher discharge port, the roller vibration screening machine comprises a screening machine feed port and a screening machine first discharge port, one end of the conveying belt is arranged below the crusher discharge port, and the other end of the conveying belt is arranged above the screening machine feed port; the leaching stirrer comprises a leaching feed inlet and a leaching discharge outlet, one end of the quantitative feeding scale is arranged below the first discharge outlet of the screening machine, and the other end of the quantitative feeding scale is arranged above the leaching feed inlet; the filter press comprises a filter pressing feed inlet, one end of the spiral conveyor is arranged below the leaching discharge outlet, and the other end of the spiral conveyor is arranged above the filter pressing feed inlet; the leaching agitator and the filter press are respectively connected with the wastewater treatment device, the leaching agitator is also connected with the reagent barrel, the dosing pump and the waste gas treatment device, and the reagent barrel is provided with a metering valve. The utility model realizes the quantitative feeding by arranging the quantitative feeding scale, the metering valve and the quantitative pump, ensures the quantitative reaction of soil, leaching agent and clear water, and has accurate ratio; through setting up conveyer belt and screw conveyer, polluted soil treatment efficiency has been improved.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims (10)

1. The polluted soil ectopic leaching repair system is characterized by comprising: the device comprises a soil crusher, a conveying belt, a roller vibration screening machine, a quantitative feeding scale, a medicament barrel, a quantitative pump, a leaching stirrer, a waste gas treatment device, a waste water treatment device, a screw conveyor and a filter press; wherein the content of the first and second substances,

the soil crusher comprises a crusher discharge port, the roller vibration screening machine comprises a screening machine feed port and a screening machine first discharge port, one end of the conveying belt is arranged below the crusher discharge port, and the other end of the conveying belt is arranged above the screening machine feed port;

the leaching stirrer comprises a leaching feed inlet and a leaching discharge outlet, one end of the quantitative feeding scale is arranged below the first discharge outlet of the screening machine, and the other end of the quantitative feeding scale is arranged above the leaching feed inlet;

the filter press comprises a filter pressing feed inlet, one end of the spiral conveyor is arranged below the leaching discharge outlet, and the other end of the spiral conveyor is arranged above the filter pressing feed inlet;

the leaching agitator and the filter press are respectively connected with the wastewater treatment device, the leaching agitator is also connected with the reagent barrel, the dosing pump and the waste gas treatment device, and the reagent barrel is provided with a metering valve.

2. The contaminated soil ex-situ leaching remediation system of claim 1, wherein the soil crusher further comprises a crusher body, a crushing gear and a crusher feed inlet, wherein the crusher feed inlet and the crusher discharge outlet are respectively connected with the crusher body, and the crushing gear is disposed in the crusher body.

3. The contaminated soil ex-situ leaching remediation system of claim 2, wherein the number of the crushing gears is two, and the crusher feed inlet and the crusher discharge outlet are in the same straight line with the center lines of the two crushing gears.

4. An ex-situ leaching remediation system for contaminated soil according to claim 2, wherein the crusher feed inlet is composed of three sides perpendicular to the crusher body and one side inclined to the crusher body, the inclination angle of the side inclined to the crusher body being 60 °.

5. The ex-situ leaching remediation system for contaminated soil according to claim 1, wherein the roller vibratory screening machine further comprises a screening machine body and a screen, wherein the screening machine inlet and the screening machine first outlet are connected to the screening machine body, and the screen is disposed in the screening machine body.

6. The contaminated soil ex-situ leaching remediation system of claim 5, wherein the roller vibration screening machine further comprises a second discharge port of the screening machine, one end of the second discharge port of the screening machine is connected with the screening machine body, the other end of the second discharge port of the screening machine is connected with the soil crusher, and a switch valve is arranged in the screening machine body and close to the second discharge port of the screening machine.

7. The ex-situ leaching remediation system for contaminated soil according to claim 1, wherein the leaching stirrer further comprises a leaching stirring body, a stirring shaft, a chemical spray header and stirring blades, the leaching feed inlet and the leaching discharge outlet are connected with the leaching stirring body, the chemical spray header and the stirring shaft are arranged in the leaching stirring body, and the stirring blades are arranged on the stirring shaft.

8. The contaminated soil ex-situ leaching remediation system of claim 7, wherein the number of the reagent showers is two, and the two reagent showers are symmetrically arranged on two sides of the stirring shaft.

9. The ex-situ leaching remediation system for contaminated soil according to claim 7, wherein the leaching agitator further comprises a leaching water outlet, the leaching water outlet is connected to the leaching agitator body, and a water outlet valve and a first filter screen are arranged at the leaching water outlet.

10. The ex-situ leaching remediation system for contaminated soil according to claim 1, wherein the filter press further comprises a filter press body, a filter press plate, a filter press water outlet and a second filter screen, the filter press feed inlet and the filter press water outlet are connected with the filter press body, and the filter press plate and the second filter screen are arranged in the filter press body.

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