CN104759465A - Soil restoration device with smashing function - Google Patents
Soil restoration device with smashing function Download PDFInfo
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- CN104759465A CN104759465A CN201510179531.6A CN201510179531A CN104759465A CN 104759465 A CN104759465 A CN 104759465A CN 201510179531 A CN201510179531 A CN 201510179531A CN 104759465 A CN104759465 A CN 104759465A
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Abstract
The invention relates to a soil restoration device with a smashing function. The soil restoration device comprises a feeding smashing system, a rotary heating system, a solid-gas separation system, a soil discharging system and a gas discharging system, wherein the feeding smashing system is connected with the rotary heating system; the rotary heating system is separately connected with the soil discharging system and the gas discharging system through the solid-gas separation system; a condenser is arranged between the soil discharging system and the solid-gas separation system; a preliminary dust collection system is arranged between the gas discharging system and the solid-gas separation system and is connected with the gas-discharging system through a condensing tower; a filter press is also connected at the bottom of the condensing tower; the rotary heating system is further separately connected with a pressurizing system and a gas pressure protection device; the gas pressure protection device is connected with the preliminary dust collection system. According to the soil restoration device, soil is heated through electromagnetic induction, the process that pollutants is changed to gas and the gas is separated from the soil is quickened and the soil restoration efficiency is improved.
Description
Technical field
The invention belongs to the soil remediation field in field of environment engineering technology, particularly a kind of device for soil remediation with crushing function.
Background technology
Chlorine industry is the important component part of national economy, basic chemical industry raw material industries, in occupation of very important basic status in whole National Industrial system, chlor-alkali production technique has electrolysis in mercury cell, diaphragm electrolysis and ionic membrane method, wherein mercury process current efficiency is high, good product quality, before the nineties in last century, be the main production that China each chlor-alkali plant adopts, but this technique can produce a large amount of containing mercury contaminated soil, directly or indirectly causes soil and groundwater and pollutes always, there is environmental pollution hidden danger, urgently administer.
At present, the domestic recovery technique for mercury and mercuric compounds contaminated soil mainly comprises phytoremediation technology, stabilisation curing technology, electro reclamation and elution technique; It is comparatively slow that these technology repair speed on the one hand, as phytoremediation and electric repairing technique, is difficult to repair high pollution soil within a short period; The two is repaired and has a big risk, and after the reparation of stabilisation curing technology, mercury and mercuric compounds still exists in soil, and under certain environmental change (as Acid Rain Effect), the mercury in soil still has the possibility of stripping, there is environmental risk.
Thermal desorption technology is one of major technique of repairing polluted soil, and this technology is with direct or indirect heat exchange heating, makes the pollution components in soil reach sufficiently high temperature, makes it evaporate and the process be separated with Soil mediation.Heat transferring medium in thermal desorptor is air, combustion gas, inert gas etc., and thermal desorption process is the physical process that in soil, pollution components enters gas phase from solid phase (liquid phase) heat trnasfer.
The thermal desorption repair system of domestic current exploitation is mainly for volatile organic matter and semi-volatile organic matter contaminated soil, because organic matter has larger difference with mercury and mercuric compounds on physicochemical characteristics, these thermal desorption equipment are difficult to use in the reparation of mercury contaminated soil.
Summary of the invention
The technical issues that need to address of the present invention are heated soil by electromagnetic induction, greatly accelerates pollutant and become the speed that gas is separated from soil, improve the remediation efficiency of soil; A kind of device for soil remediation with crushing function is provided.
For solving above-mentioned technical problem, structure of the present invention comprises charging crushing system, rotary heating system, solid and gas piece-rate system, soil discharge system and gas discharge system, described charging crushing system is connected with rotary heating system, described rotary heating system is connected with gas discharge system with soil discharge system respectively by solid and gas piece-rate system, condenser is provided with between described soil discharge system and solid and gas piece-rate system, rough dusting system is provided with between described gas discharge system and solid and gas piece-rate system, described rough dusting system is connected with gas discharge system by condensing tower, the bottom of described condensing tower is also connected with filter press, described rotary heating system is also connected with air pressure protective device with compression system respectively, described air pressure protective device is connected with rough dusting system.
Further: described charging crushing system comprises the first material feeding box, funnel, the first tilting track, pulverize casing, crushing wheel, sieve plate, storing casing and arc second track, described funnel is connected to the bottom of the first material feeding box, the lower end of described first track is positioned at the below of funnel discharging opening, the upper end of described first track is positioned at the top of pulverizing casing charging aperture, described crushing wheel is positioned at pulverizes casing, described crushing wheel is connected with the first motor by the first turning cylinder, the discharging opening of described pulverizing bottom half is connected to the top of tilting sieve plate, the lower end of described sieve plate is connected with the lower end of the second track, the upper end of described second track is arranged on the top of the first material feeding box charging aperture, the first described track and the bottom of the second track are all provided with vibrator, the below being connected to sieve plate of described storing casing, the bottom of described storing casing is provided with discharging opening, the discharging opening of described storing bottom half is connected with rotary heating system by the first seal valve.
Further again: described rotary heating system comprises cartridge heater, second motor, induction coil, second turning cylinder, helical blade and the second feeding cylinder, the second described turning cylinder is positioned at cartridge heater, described helical blade is sleeved on the second turning cylinder, one end of described second turning cylinder is connected with the second motor through the side of cartridge heater, the second described feeding cylinder is connected with cartridge heater by mozzle, the bottom of described opposite side cartridge heater offers discharging opening, described cartridge heater is connected with solid and gas piece-rate system by discharging opening, the second seal valve is provided with between the discharging opening of described cartridge heater and solid and gas piece-rate system, the second described feeding cylinder is connected with the first seal valve.
Further again: described solid and gas piece-rate system is cyclone separator.
Further again: described rough dusting system is sack cleaner.
Further again: described soil discharge system is conveying worm, and described condenser is connected with the charging aperture of conveying worm.
Further again: described compression system is booster pump.
Further again: described air pressure protective device comprises spool, valve cylinder, spring and valve gap; described spool is movably connected in valve cylinder; the side of described valve cylinder is fixedly connected with valve gap; described spool is connected with valve gap by spring; the sidewall of described valve cylinder offers outlet passageway; position relative to outlet passageway on described valve gap offers venthole, and the outside of described valve gap is also connected with gas skirt, and described venthole is connected in gas skirt.
Further again: described gas discharge system comprises the aerosolater and activated carbon adsorber that are interconnected, described activated carbon adsorber is connected to the top of condensing tower.
After adopting said structure, the present invention is repaired soil by the mode of Thermal desorption, eliminates in soil the pollutant with volatilization and half volatile; And the design adopts electromagnetic induction to heat soil, greatly accelerate pollutant and become the speed that gas is separated from soil, improve the remediation efficiency of soil; And the design is also provided with pressure protective device, in the process of heating during pressure postcritical, pressure protective device then can start voluntarily, thus reduces the pressure in heating system, plays the effect of self-protection.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is block schematic illustration of the present invention.
Fig. 2 is the structural representation of charging crushing system.
Fig. 3 is the structural representation of rotary heating system.
Fig. 4 is the structural representation of air pressure protective device.
Detailed description of the invention
A kind of device for soil remediation with crushing function as shown in Figure 1, it comprises charging crushing system 1, rotary heating system 3, solid and gas piece-rate system 4, soil discharge system 10 and gas discharge system 14, described charging crushing system 1 is connected with rotary heating system 3, described rotary heating system 3 is connected with gas discharge system 14 with soil discharge system 10 respectively by solid and gas piece-rate system 4, condenser 9 is provided with between described soil discharge system 10 and solid and gas piece-rate system 4, rough dusting system 7 is provided with between described gas discharge system 14 and solid and gas piece-rate system 4, described rough dusting system 7 is connected with gas discharge system 14 by condensing tower 8, the bottom of described condensing tower 8 is also connected with filter press 11, described rotary heating system 3 is also connected with air pressure protective device 6 with compression system 5 respectively, described air pressure protective device 6 is connected with rough dusting system 7, described solid and gas piece-rate system 4 is cyclone separator, and described soil discharge system 10 is conveying worm, and described condenser 9 is connected with the charging aperture of conveying worm, and described compression system 5 is booster pump.During reparation, contaminated soil is put into charging crushing system 1, soil can be pulverized in charging crushing system 1, the soil of bulk is ground into tiny particle, after pulverizing, satisfactory fine particle can enter in rotary heating system 3 automatically, undesirable, can again be delivered in charging crushing system 1, again pulverize, till meeting the requirements, enter the Polluted Soil of rotary heating system 3 under the effect of electromagnetic induction heating, the pollution components in soil is made to reach sufficiently high temperature, make it evaporate and be separated with soil, the design adopts the mode of pressurized, heated to accelerate the separation of pollutant, after volatilization or half pollutant volatilized are separated completely, starting cyclone separator is delivered into the gas evaporated in rough dusting system 7, preliminary removal of impurities is carried out to this part gas, thus reduce the filter pressure of last gas discharge system 14, gas after dedusting cools through condensing tower 8 again, the pollutant with volatilization and half volatile is separated out after cooling, remaining gas is being discharged after gas blow-off system removal of impurities, the pollutant of separating out flows into filter press 11 from the bottom of condensing tower 8, then directly filter cake 12 is formed by filter press 11, unify to remove the pollutant of volatilization or half volatile again by reclaiming filter cake 12, the soil separated by cyclone separator after condenser 9 cools, then is discharged by conveying worm.The design is repaired soil by the mode of Thermal desorption, eliminates in soil the pollutant with volatilization and half volatile; And the design adopts electromagnetic induction to heat soil, greatly accelerate pollutant and become the speed that gas is separated from soil, improve the remediation efficiency of soil; And the design is also provided with pressure protective device, in the process of heating during pressure postcritical, pressure protective device then can start voluntarily, thus reduces the pressure in heating system, plays the effect of self-protection.
Charging crushing system 1 as shown in Figure 2 comprises the first material feeding box 15, funnel 31, the first tilting track 16, pulverize casing 17, crushing wheel 18, sieve plate 19, storing casing 20 and arc second track 21, described funnel 31 is connected to the bottom of the first material feeding box 15, the lower end of described first track 16 is positioned at the below of funnel 31 discharging opening, the upper end of described first track 16 is positioned at the top of pulverizing casing 17 charging aperture, described crushing wheel 18 is positioned at pulverizes casing 17, described crushing wheel 18 is connected with the first motor by the first turning cylinder 32, discharging opening bottom described pulverizing casing 17 is connected to the top of tilting sieve plate 19, the lower end of described sieve plate 19 is connected with the lower end of the second track 21, the upper end of described second track 21 is arranged on the top of the first material feeding box 15 charging aperture, the first described track 16 and the bottom of the second track 21 are all provided with vibrator, the below being connected to sieve plate 19 of described storing casing 20, the bottom of described storing casing 20 is provided with discharging opening, discharging opening bottom described storing casing 20 is connected with rotary heating system 3 by the first seal valve 22.Soil enters after in the first material feeding box 15 and can drop on the first track 16 by the funnel 31 be connected to bottom the first material feeding box 15, then starting the vibrator be arranged on bottom the first track 16 makes soil under the effect of vibration, be transported to the upper end of the first track 16, then soil drops in pulverizing casing 17 under the effect of self gravitation, in the process that soil upwards transports, start the first motor makes it be rotated with crushing wheel 18 by the first turning cylinder 32, crushing wheel 18 is utilized to pulverize large-scale soil block, soil after pulverizing can drop on sieve plate 19, the satisfactory soil of granular size can drop through sieve plate 19 and to store in storing casing 20, undesirable, can continue to tumble on the second track 21 along sieve plate 19, then the vibrator be arranged on bottom the second track 21 is started, by vibration, this part soil is transported in the first material feeding box 15 again, again pulverize, till granular size can enter after in storing casing 20 through sieve plate 19.Pulverize complete when whole soil and after meeting the requirements, open the first seal valve 22, this part soil is dropped automatically in rotary heating system 3.The design adopts the mode of vibration to carry soil, soil is made to carry out precrushing by vibration force in the process of conveying, then separating twice is carried out by crushing wheel 18 pairs of soil, and can guarantee that the soil particle dropped in rotary heating system 3 all meets the requirements, the design increases the direct heating surface area of soil by the soil soil of bulk being ground into fine particle shape, thus accelerate volatilization and the half volatile pollutants speed of running out from soil, improve soil remediation efficiency.
Rotary heating system 3 as shown in Figure 3 comprises cartridge heater 23, second motor 24, induction coil 27, second turning cylinder 25, helical blade 26 and the second feeding cylinder 28, the second described turning cylinder 25 is positioned at cartridge heater 23, described helical blade 26 is sleeved on the second turning cylinder 25, one end of described second turning cylinder 25 is connected with the second motor 24 through the side of cartridge heater 23, the second described feeding cylinder 28 is connected with cartridge heater 23 by mozzle 29, the bottom of described opposite side cartridge heater 23 offers discharging opening, described cartridge heater 23 is connected with solid and gas piece-rate system 4 by discharging opening, the second seal valve 30 is provided with between the discharging opening of described cartridge heater 23 and solid and gas piece-rate system 4, the second described feeding cylinder 28 is connected with the first seal valve 22.Soil enters after in the second feeding cylinder 28, can roll in cartridge heater 23 by mozzle 29, then the first seal valve 22 and the second seal valve 30 is closed, and utilize electromagnetic induction to heat the soil in cartridge heater 23 to induction coil 27 energising, the pollutant with volatilization or half volatile in soil is made to reach sufficiently high temperature, thus make it evaporate and be separated with soil, in the process of heating, start the second motor 24 makes it rotate with the second turning cylinder 25, helical blade 26 also can rotate under the drive of the second turning cylinder 25, helical blade 26 pairs of soil are utilized to carry out upset conveying, soil various piece is heated more even, accelerate the speed of pollutant evaporation, after the pollutant with volatility and half volatile is all run out, opening the second seal valve 30 makes soil drop in cyclone separator along discharging opening under the effect of helical blade 26, cyclone separator is utilized to be separated the soil after Thermal desorption.The design is heated soil by electromagnetic induction, accelerates the speed of pollutant evaporation, thus improves the speed of Soil Thermal parsing.
Air pressure protective device 6 as shown in Figure 4 comprises spool 33, valve cylinder 34, spring 37 and valve gap 35; described spool 33 is movably connected in valve cylinder 34; the side of described valve cylinder 34 is fixedly connected with valve gap 35; described spool 33 is connected with valve gap 35 by spring 37; the sidewall of described valve cylinder 34 offers outlet passageway 38; described valve gap 35 offers venthole 39 relative to the position of outlet passageway 38; the outside of described valve gap 35 is also connected with gas skirt 36, and described venthole 39 is connected in gas skirt 36.The design adopts the mode of pressurization to accelerate the speed of pollutant Thermal desorption; but along with pollutant constantly evaporates; air pressure in cartridge heater 23 also can constantly increase; when air pressure exceedes critical value; then can cause potential safety hazard to equipment self and surrounding environment, so the design plays the function of self-protection by arranging air pressure protective device 6.When the air pressure in cartridge heater 23 is too high, gas in cartridge heater 23 then can push spool 33 extrusion spring 37, along with the mobile outlet passageway 38 of spool 33 can come out, the gas in cartridge heater 23 can pass outlet passageway 38, venthole 39 and gas skirt 36 successively and flow in rough dusting system 7 and carry out dedusting; After the air pressure in cartridge heater 3 is lower than critical point, the elastic force of spring 37 is greater than the air pressure in cartridge heater 3, now spring 37 can push spool 33 to motion in the other direction, again outlet passageway 38 is blocked, prevent the air pressure in cartridge heater 23 from continuing to reduce, thus make soil proceed Thermal desorption reparation under pressure, greatly accelerate the remediation efficiency of soil; The design plays the effect of self-protection by setting up air pressure protective device 6, prevent because excessive air pressure is to equipment self and the hurtful generation of surrounding environment.
Rough dusting system 7 described in the present invention is sack cleaner, and described gas discharge system 14 comprises the aerosolater and activated carbon adsorber that are interconnected, and described activated carbon adsorber is connected to the top of condensing tower 8.The design carries out twice dedusting by sack cleaner and aerosolater successively, can not only reduce end vent gas treatment pressure, and can more fully process dust, prevent dust from causing secondary pollution to surrounding environment by the method.And the design can also sponge by activated carbon adsorber the toxic gas be evaporated from soil, plays a protective role to surrounding environment and people.
Claims (9)
1. one kind has the device for soil remediation of crushing function, it is characterized in that: comprise charging crushing system (1), rotary heating system (3), solid and gas piece-rate system (4), soil discharge system (10) and gas discharge system (14), described charging crushing system (1) is connected with rotary heating system (3), described rotary heating system (3) is connected with gas discharge system (14) with soil discharge system (10) respectively by solid and gas piece-rate system (4), condenser (9) is provided with between described soil discharge system (10) and solid and gas piece-rate system (4), rough dusting system (7) is provided with between described gas discharge system (14) and solid and gas piece-rate system (4), described rough dusting system (7) is connected with gas discharge system (14) by condensing tower (8), the bottom of described condensing tower (8) is also connected with filter press (11), described rotary heating system (3) is also connected with air pressure protective device (6) with compression system (5) respectively, described air pressure protective device (6) is connected with rough dusting system (7).
2. a kind of device for soil remediation with crushing function according to claim 1, it is characterized in that: described charging crushing system (1) comprises the first material feeding box (15), funnel (31), tilting the first track (16), pulverize casing (17), crushing wheel (18), sieve plate (19), storing casing (20) and arc second track (21), described funnel (31) is connected to the bottom of the first material feeding box (15), the lower end of described first track (16) is positioned at the below of funnel (31) discharging opening, the upper end of described first track (16) is positioned at the top of pulverizing casing (17) charging aperture, described crushing wheel (18) is positioned at pulverizes casing (17), described crushing wheel (18) is connected with the first motor by the first turning cylinder (32), the discharging opening of described pulverizing casing (17) bottom is connected to the top of tilting sieve plate (19), the lower end of described sieve plate (19) is connected with the lower end of the second track (21), the upper end of described second track (21) is arranged on the top of the first material feeding box (15) charging aperture, described the first track (16) and the bottom of the second track (21) are all provided with vibrator, the below being connected to sieve plate (19) of described storing casing (20), the bottom of described storing casing (20) is provided with discharging opening, the discharging opening of described storing casing (20) bottom is connected with rotary heating system (3) by the first seal valve (22).
3. a kind of device for soil remediation with crushing function according to claim 2, it is characterized in that: described rotary heating system (3) comprises cartridge heater (23), second motor (24), induction coil (27), second turning cylinder (25), helical blade (26) and the second feeding cylinder (28), described the second turning cylinder (25) is positioned at cartridge heater (23), described helical blade (26) is sleeved on the second turning cylinder (25), one end of described second turning cylinder (25) is connected with the second motor (24) through the side of cartridge heater (23), described the second feeding cylinder (28) is connected with cartridge heater (23) by mozzle (29), the bottom of described opposite side cartridge heater (23) offers discharging opening, described cartridge heater (23) is connected with solid and gas piece-rate system (4) by discharging opening, the second seal valve (30) is provided with between the discharging opening of described cartridge heater (23) and solid and gas piece-rate system (4), described the second feeding cylinder (28) is connected with the first seal valve (22).
4. a kind of device for soil remediation with crushing function according to any one of claim 1 or 3, is characterized in that: described solid and gas piece-rate system (4) is cyclone separator.
5. a kind of device for soil remediation with crushing function according to claim 1, is characterized in that: described rough dusting system (7) is sack cleaner.
6. a kind of device for soil remediation with crushing function according to claim 1, it is characterized in that: described soil discharge system (10) is conveying worm, described condenser (9) is connected with the charging aperture of conveying worm.
7. a kind of device for soil remediation with crushing function according to claim 1, is characterized in that: described compression system (5) is booster pump.
8. a kind of device for soil remediation with crushing function according to claim 1, it is characterized in that: described air pressure protective device (6) comprises spool (33), valve cylinder (34), spring (37) and valve gap (35), described spool (33) is movably connected in valve cylinder (34), the side of described valve cylinder (34) is fixedly connected with valve gap (35), described spool (33) is connected with valve gap (35) by spring (37), the sidewall of described valve cylinder (34) offers outlet passageway (38), described valve gap (35) offers venthole (39) relative to the position of outlet passageway (38), the outside of described valve gap (35) is also connected with gas skirt (36), described venthole (39) is connected in gas skirt (36).
9. a kind of device for soil remediation with crushing function according to claim 1, it is characterized in that: described gas discharge system (14) comprises the aerosolater and activated carbon adsorber that are interconnected, and described activated carbon adsorber is connected to the top of condensing tower (8).
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| CN201510179531.6A CN104759465B (en) | 2015-04-15 | 2015-04-15 | A kind of device for soil remediation with crushing function |
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| CN201510179531.6A CN104759465B (en) | 2015-04-15 | 2015-04-15 | A kind of device for soil remediation with crushing function |
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| CN107597382A (en) * | 2017-09-25 | 2018-01-19 | 安吉高纯蒙脱石有限公司 | A kind of montmorillonite processing unit (plant) |
| CN111360057A (en) * | 2020-03-15 | 2020-07-03 | 过蕊 | Soil remediation administers and uses broken sieve separator |
| CN112055608A (en) * | 2018-04-06 | 2020-12-08 | Bhs桑托芬有限公司 | Device and method for detecting wear of a separating element |
| CN113458132A (en) * | 2020-08-27 | 2021-10-01 | 汪永强 | Heavy metal pollution treatment device |
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Address after: 2188 No. 213022 Jiangsu province Zhonglou District of Changzhou City Avenue Applicant after: SUNTIME ENVIRONMENTAL REMEDIATION CO., LTD. Address before: 213022 Taihu road Jiangsu city Changzhou province Xinbei hi tech Zone No. 30 Applicant before: Jiangsu Suntime Environmental Remediation Co., Ltd. |
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Effective date of registration: 20190411 Address after: 211106 No. B3, Kowloon Lake International Enterprise Headquarters Park, 19 Suyuan Avenue, Jiangning Economic and Technological Development Zone, Nanjing, Jiangsu Province Patentee after: Guangda Environmental Restoration (Jiangsu) Co., Ltd. Address before: 213022 No. 2188 Longcheng Avenue, Zhonglou District, Changzhou City, Jiangsu Province Patentee before: SUNTIME ENVIRONMENTAL REMEDIATION CO., LTD. |
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