CN212597903U

CN212597903U - Movable combined type contaminated soil ex-situ remediation device

Info

Publication number: CN212597903U
Application number: CN201922379332.6U
Authority: CN
Inventors: 顾峥; 王燕群
Original assignee: Shanghai Tongji Construction Technology Co ltd
Current assignee: Shanghai Tongji Construction Technology Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2021-02-26
Anticipated expiration: 2029-12-24

Abstract

The utility model relates to a movable combined contaminated soil ex-situ remediation device, belonging to the technical field of soil remediation; comprises a feed hopper, a belt type dosing conveyor and a stirring device; a belt type medicine adding conveyor is arranged between the feed hopper and the stirring device; the utility model divides the adding and stirring of the polluted soil into two steps, greatly increases the contact area between the soil and the medicament, and uniformly sprays the medicament on the soil on the surface of the belt conveyor through the adding system, so that the medicament can penetrate into each part of soil to a greater extent; and then the medicament and the soil are fully mixed and stirred by a stirring device. The feeding hopper, the belt type dosing conveyor and the stirring device can be used in a combined mode, so that the contaminated soil can be repeatedly dosed and stirred, and the utilization rate of the agent and the soil remediation effect are greatly improved. And on the basis, the functions that the repairing device is movable, the repairing device can be combined at will, the medicine adding ratio can be controlled, and the like are further realized.

Description

Movable combined type contaminated soil ex-situ remediation device

Technical Field

The utility model relates to a portable combination formula pollutes soil dystopy prosthetic devices belongs to soil remediation technical field.

Background

In recent years, with the increasing urbanization process of China, the adjustment of urban layout for improving urban environment quality and eliminating out-dated industrial enterprises, a plurality of industrial enterprises are gradually stopped and moved, and a large number of polluted plots emerge. According to the relevant national requirements, the remaining polluted site needs to be repaired and treated. At present, treatment projects of various urban polluted sites in China are developed successively. At present, according to statistics, China mainly adopts an ectopic repair mode, wherein ectopic chemical oxidation/reduction and ectopic curing stabilization repair technologies are applied more. The technological process of the technology is that special crushing and stirring equipment is used for mixing and reacting the polluted soil and the remediation agent, so that pollutants are converted into substances with inactive chemical properties, no toxicity or low toxicity. Therefore, the quality of the repairing effect is mainly determined by the mixing degree of the soil and the medicament.

At present, the existing heterotopic chemical oxidation/reduction and solidification stabilization repair technologies are applied to repair equipment such as a universal excavator loading Fenglan Arlo (ALLU) crushing screening hopper and a soil improvement machine, no matter manual medicine spreading or machine quantitative medicine feeding is adopted, the contact surface of a medicine and polluted soil is limited, the medicine adding amount in a local area is often too large, the medicine adding amount in the local area is too small or not added, in addition, the heterogeneity of the soil is added, the sampling detection result is extremely unstable, great uncertainty is brought to the later-stage acceptance result, and great potential safety hazards exist.

Disclosure of Invention

The utility model aims at solving the technical problems that the contact surface of the traditional Chinese medicine preparation and the polluted soil in the current soil remediation is limited and the remediation effect is not good.

In order to solve the problems, the technical scheme adopted by the utility model is to provide a movable combined contaminated soil ex-situ remediation device, which comprises a feed hopper, a belt type chemical feeding conveyor and a stirring device; a belt type medicine adding conveyor is arranged between the feed hopper and the stirring device.

Preferably, a roller driven by a motor is arranged in the feed hopper, the roller is provided with a central shaft, and a sheet-shaped blade of which one side is fixed on the central shaft is arranged on the central shaft in the radial direction; the central shaft is connected with the first motor, and the axial width of the flaky blade is equal to the width of the lower part of the feed hopper.

Preferably, the belt type drug-adding conveyor comprises a groove type belt conveyor and a drug-adding system; a material equalizing groove is formed in one end, connected with the feed hopper, of the groove-type belt conveyor, and a sweeper and a hood for discharging materials are arranged at the other end, connected with the stirring device, of the groove-type belt conveyor; the groove-type belt conveyor is provided with a motor for driving a conveying belt, the climbing inclination angle of the conveying belt is 25-40 degrees, anti-skid patterns are arranged on the surface of the conveying belt, and baffles are arranged on two sides of the conveying belt.

Preferably, the conveying belt top of cell type band conveyer feeder hopper one end is equipped with the homocline groove, and the homocline groove is established to the U-shaped, is equipped with the opening along belt direction of motion, and the opening top is equipped with the scraper blade of height-adjusting from top to bottom, scraper blade lower extreme edge is parallel with the belt, and the scraper blade is established apart from the belt to be less than 30 cm.

Preferably, the dosing system comprises a medicament spraying device, a metering pump and a medicament box; the medicament box is connected with the medicament spraying device through a metering pump; and a medicament spraying device of a dosing system is arranged above the middle section of the groove-shaped belt conveyor.

Preferably, the medicament spraying device comprises a spray conduit and a nozzle; the spraying angle of the nozzle is adjustable.

Preferably, the stirring device comprises a feeder, a stirring barrel, a second supporting frame, a hydraulic device and a second motor; the stirring barrel is erected on a supporting roller arranged on the supporting frame II; openings are formed in the two ends of the stirring barrel, and one end of the stirring barrel is connected with the feeder; a stirring blade for stirring is arranged on the inner wall of the barrel body from the opening at one end of the feeder to the middle section of the barrel body, and a continuous ribbon-shaped spiral blade for discharging is arranged on the inner wall of the barrel body from the middle section of the barrel body to the opening at the other end of the barrel body; the outer wall of the cross section of the middle section of the stirring barrel body is provided with an annular roller path in an encircling manner, and the annular roller path is provided with a sawtooth structure corresponding to the hobbing of the supporting roller on the second supporting frame; the supporting roller is connected with a second motor; and a hydraulic device for jacking the stirring barrel is arranged on one side of the second support frame, which is close to the feeder.

Preferably, the belt type drug-adding conveyor is provided with a movable roller device.

Preferably, a plurality of dosing systems are arranged above the middle section of the belt type dosing conveyor, and the number of the dosing systems is at least one; the different medicament spraying devices are installed at intervals of 1-2 m.

Preferably, the feed hopper, the belt type medicine feeding conveyor and the stirring device are set to be a combined device which can be repeatedly arranged; the plurality of combined devices are sequentially and circularly arranged according to the sequence of the feed hopper, the belt type dosing conveyor and the stirring device.

The utility model provides a portable combination formula pollutes soil dystopy prosthetic devices through the initial contact surface of increase soil and medicament, increases contact time, strengthens the mixed effect of soil and medicament, improves the repair effect to further realize on this basis portable, can make up wantonly and controllable medicine and compare functions such as.

The utility model divides the adding and stirring of the polluted soil into two steps, firstly, the polluted soil is evenly spread on the belt type adding medicine conveyor through the material equalizing groove scraper, the contact area of the soil and the medicine is greatly increased, the medicine is evenly sprayed on the soil on the surface of the belt type conveyor through the medicine adding system, and the medicine can penetrate into each part of soil to a greater extent; and then the medicament and the soil are fully mixed and stirred by a stirring device. According to the requirements of dosing and stirring times, the feeding hopper, the belt type dosing conveyor and the stirring device can be used in a combined manner, so that multiple dosing and multiple stirring of the polluted soil are realized, and the utilization rate and the repair effect of the agent are greatly improved. Not only can regard belt conveyor as the platform of adding medicine and adjusting soil moisture content, also can realize the function of transportation, can obviously reduce the number of times of refuting of short in the scene.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model separately adds medicine and stirs;

2. the soil and the medicament can be fully mixed, so that excessive or insufficient or even no medicament is added to local soil;

3. the device of the utility model has small occupied area, less investment and low energy consumption, reduces the short refuting times in the yard, is convenient to move, is combined according to requirements, and is particularly suitable for the heterotopic repair of projects with smaller site area;

4. the utility model controls the stirring process in the container, has less dust, low secondary pollution and good site sanitary condition;

5. the soil remediation effect is stable.

Drawings

Fig. 1 is a schematic structural view of a movable combined type contaminated soil ex-situ remediation device provided by the utility model;

FIG. 2 is a schematic view of a feed hopper roller structure of the movable combined contaminated soil ex-situ remediation device provided by the present invention;

FIG. 3 is a schematic structural view of a medicine feeding system of the movable combined type contaminated soil ex-situ remediation device provided by the utility model;

reference numerals: 1. the device comprises a feed hopper 2, a belt type dosing conveyor 3, a stirring device 4, a roller 5, a motor I6, a groove type belt conveyor 7, a dosing system 8, a homogenizing groove 9, a scraper 10, a baffle 11, a sweeper 12, a head cover 13, a movable roller device 14, a metering pump 15, a medicament box 16, a steel pipe 17, a medicament spraying device 18, a nozzle 19, a support 20, a feeder 21, a stirring barrel 22, a support II 23, a hydraulic device 24, a motor II 25, a stirring blade 26, a belt type spiral blade 27, an annular roller path 28, a support roller 29, an annular hoop 30, a support bracket 31, a blade 32, a central shaft 33, a connecting shaft 34 and a support I.

Detailed Description

In order to make the present invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

as shown in fig. 1-3, the utility model provides a movable combined contaminated soil ex-situ remediation device; the device comprises a feed hopper 1, a belt type medicine adding conveyor 2, a stirring device 3, a roller 4, a motor I5, a groove type belt conveyor 6, a medicine adding system 7, a material homogenizing groove 8, a scraper blade 9, a baffle plate 10, a sweeper 11, a hood 12, a movable roller device 13, a metering pump 14, a medicine box 15, a steel pipe 16, a medicine spraying device 17, a nozzle 18, a support 19, a feeder 20, a stirring barrel 21, a support frame II 22, a hydraulic device 23, a motor II 24, a stirring blade 25, a belt-shaped spiral blade 26, an annular roller path 27, a support roller 28, an annular hoop 29, a support bracket 30, a blade 31, a central shaft 32, a connecting shaft 33 and a support frame I34. A belt type medicine adding conveyor 2 is arranged between the feed hopper 1 and the stirring device 3. A roller 4 driven by a motor I5 is arranged in the feed hopper 1, the roller is provided with a

central shaft

32, and 8 flaky blades 31 with one side fixed on the central shaft are arranged on the central shaft 32 in the radial direction; the central shaft is connected with a motor I5, and the roller 4 is driven to rotate by the rotation of the motor I5; the axial width of the flaky vanes is equal to the width of the lower part of the feed hopper. The feeding hopper 1 is provided with a telescopic support bracket I34, and the height of the feeding hopper 1 can be adjusted up and down. Cell type band conveyer 6 is by motor drive, and the climbing inclination is 25-40 degrees, and the belt surface has anti-skidding decorative pattern, and the belt both sides have baffle 10, and the afterbody has equalizing groove 8, and the middle section is equipped with a medicament sprinkler 17, and the head has sweeper 11 and hood 12. The material homogenizing groove 8 is provided with baffle structures on three sides, a scraper 9 is arranged along the advancing direction of the belt, the height of the scraper 9 from the surface of the belt is about 0-30cm, the height of the scraper can be adjusted up and down, and the lower end of the scraper is parallel to the belt. The dosing system 7 consists of a medicament spraying device 17, a metering pump 14 and a medicament box 15, and the dosing amount of the medicament is controlled by the metering pump 14; the agent spraying device 17 comprises a spraying duct and a nozzle 18; the agent spraying device 17 is fixed on a bracket 19 of the groove-shaped belt conveyor through a steel pipe 16; the spraying angle of the nozzle 18 can be adjusted; the chemical tank 15 stores a liquid repair chemical. The groove-type belt conveyor 6 is provided with a movable roller device 13; the movable roller device 13 can be folded and retracted. The tail part of the feeder 20 is naturally led into the stirring barrel 21 and is not fixedly connected. The stirring barrel 21 is a pear-shaped barrel, two ends of the stirring barrel are conical, the middle of the stirring barrel is cylindrical, a plurality of stirring blades 25 are welded on the inner wall of the barrel body from the feeding barrel opening to the middle part of the barrel, and two continuous strip-shaped helical blades 26 are symmetrically welded on the inner wall of the barrel tail; the outer wall of the barrel body is provided with two rings of annular raceways 27 which are respectively positioned on two supporting rollers 28, and the annular raceways 27 and the supporting rollers 28 are both in a sawtooth structure; the agitator 21 is retained by an annular hoop 29. The supporting roller 28 is connected with the second motor 24 through a bearing. The second motor 24 drives the support roller 28 to rotate, the stirring barrel 21 is driven to rotate through gear transmission, and the rotating speed and the rotating direction of the barrel are controlled by the second motor 24, so that the stirring, discharging, stirring speed and discharging speed of the stirring barrel 21 are controlled; the hydraulic device 23 is positioned between the support bracket 30 and the second support frame 22 and is arranged at one end of the feeder, and the support bracket 30 can be jacked up by the hydraulic device 23; the support bracket 30 is connected with one side of the second support frame 22 close to the discharge hole through a rotatable connecting shaft 33.

The utility model discloses a working process does: firstly, the maximum batch processing amount of the stirring device 3 is set as the batch processing amount of the whole device, and after the polluted soil of the batch processing amount is pre-crushed and sieved, the maximum size of the soil particle size is not more than 5cm, and the soil moisture content is 20-35%. The use digs the machine and shifts the soil after the breakage to feeder hopper 1, pollutes soil and gets into in feeding gyro wheel 4 at the whereabouts in-process, and gyro wheel 4 rotates according to certain unloading speed under the drive of motor 5, and afterwards, pollutes in the slow, controllable homocline groove 8 that falls into belt medicine feed conveyor 2 of soil, at the in-process that the belt upwards moved, pollutes soil and scrapes the back of dialling through scraper blade 9, and thickness disperses on the belt uniformly. When the polluted soil passes through the dosing system 7, the agent in the agent box 15 is sprayed to the soil on the surface of the belt through the metering pump 14 and the nozzle 18; when the contaminated soil added with the pesticide runs to the head of the belt conveyor, the contaminated soil falls into the feeder 20 under the action of gravity and then enters the stirring barrel 21, the stirring barrel 21 is driven by the second motor 24 to rotate clockwise, and the contaminated soil sprayed with the pesticide is fully stirred and mixed under the self-rotation of the stirring barrel 21 and the action of the stirring blade 25; after the batch processing square amount feeding is finished, the second motor 24 is closed, the hydraulic device 23 is started, the second motor 24 is started again after the feeding end of the stirring barrel 21 is lifted to a certain height, the stirring barrel rotates anticlockwise at the moment, the polluted soil in the stirring barrel is conveyed out of the stirring barrel under the action of the strip-shaped spiral blade 26, and the discharging speed can be controlled by the rotating speed of the motor and the lifting height of the hydraulic lifting system. And after the unloading is finished, the second motor 24 is turned off, and the hydraulic device 23 returns to the original position. The process of adding, mixing and stirring the polluted soil in one batch is completed through the process.

According to the requirements of dosing and stirring times, the feeding hopper, the belt type dosing conveyor and the stirring device can be used in a combined manner, so that multiple dosing and multiple stirring of the polluted soil are realized, and the utilization rate and the repair effect of the agent are greatly improved.

The foregoing is merely a preferred embodiment of the present invention, and is not intended to limit the present invention in any way and in any way, and it should be understood that modifications and additions may be made by those skilled in the art without departing from the scope of the present invention. Those skilled in the art can make various changes, modifications and evolutions equivalent to those made by the above-disclosed technical content without departing from the spirit and scope of the present invention, and all such changes, modifications and evolutions are equivalent embodiments of the present invention; meanwhile, any changes, modifications and evolutions of equivalent changes to the above embodiments according to the actual technology of the present invention are also within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a portable combination formula pollutes soil dystopy prosthetic devices which characterized in that: comprises a feed hopper, a belt type dosing conveyor and a stirring device; a belt type medicine adding conveyor is arranged between the feed hopper and the stirring device; the belt type drug adding conveyor comprises a groove type belt conveyor and a drug adding system; the groove-type belt conveyor is provided with a motor for driving a conveying belt, and the climbing inclination angle of the conveying belt is 25-40 degrees.

2. A mobile combined contaminated soil ex-situ remediation device according to claim 1 characterised in that: a roller driven by a motor I is arranged in the feed hopper, the roller is provided with a central shaft, and a flaky blade with one side fixed on the central shaft is arranged on the central shaft in the radial direction; the central shaft is connected with the first motor, and the axial width of the flaky blade is equal to the width of the lower part of the feed hopper.

3. A mobile combined contaminated soil ex-situ remediation device according to claim 2 characterised in that: a material equalizing groove is formed in one end, connected with the feed hopper, of the groove-type belt conveyor, and a sweeper and a hood for discharging materials are arranged at the other end, connected with the stirring device, of the groove-type belt conveyor; the groove type belt conveyor is characterized in that anti-skid patterns are arranged on the surface of a conveying belt, and baffles are arranged on two sides of the conveying belt.

4. A mobile combined contaminated soil ex-situ remediation device according to claim 3 characterised in that: the conveying belt of cell type band conveyer feeder hopper one end top is equipped with the homocline groove, and the homocline groove is established to the U-shaped, is equipped with the opening along belt direction of motion, and the opening top is equipped with the scraper blade of height-adjusting from top to bottom, scraper blade lower extreme edge is parallel with the belt, and the scraper blade is established apart from the belt to be less than 30 cm.

5. A mobile combined ex-situ remediation device for contaminated soil according to claim 4, further comprising: the dosing system comprises a medicament spraying device, a metering pump and a medicament box; the medicament box is connected with the medicament spraying device through a metering pump; and a medicament spraying device of a dosing system is arranged above the middle section of the groove-shaped belt conveyor.

6. A mobile combined ex-situ remediation device for contaminated soil according to claim 5, further comprising: the medicament spraying device comprises a spraying pipeline and a nozzle; the spraying angle of the nozzle is adjustable.

7. A mobile combined contaminated soil ex-situ remediation device according to claim 6, further comprising: the stirring device comprises a feeder, a stirring barrel, a second support frame, a hydraulic device and a second motor; the stirring barrel is arranged on a supporting roller arranged on the second supporting frame; openings are formed in the two ends of the stirring barrel, and one end of the stirring barrel is connected with the feeder; a stirring blade for stirring is arranged on the inner wall of the barrel body from the opening at one end of the feeder to the middle section of the barrel body, and a continuous ribbon-shaped spiral blade for discharging is arranged on the inner wall of the barrel body from the middle section of the barrel body to the opening at the other end of the barrel body; the outer wall of the cross section of the middle section of the stirring barrel body is provided with an annular roller path in an encircling manner, and the annular roller path is provided with a sawtooth structure corresponding to the hobbing of the supporting roller on the second supporting frame; the supporting roller is connected with a second motor; and a hydraulic device for jacking the stirring barrel is arranged on one side of the second support frame, which is close to the feeder.

8. A mobile combined contaminated soil ex-situ remediation device according to claim 7 characterised in that: the belt type dosing conveyor is provided with a movable roller device.

9. A mobile combined contaminated soil ex-situ remediation device according to claim 8, further comprising: a plurality of dosing systems are arranged above the middle section of the belt type dosing conveyor, and the number of the dosing systems is at least one; the installation interval of the medicament spraying device is set to be 1-2 m.

10. A mobile combined contaminated soil ex-situ remediation device according to claim 9 characterised in that: the feed hopper, the belt type dosing conveyor and the stirring device are combined devices which can be repeatedly arranged; the plurality of combined devices are sequentially and circularly arranged according to the sequence of the feed hopper, the belt type dosing conveyor and the stirring device.