CN113333451B - Heavy metal contaminated soil chemical remediation safety regeneration equipment - Google Patents
Heavy metal contaminated soil chemical remediation safety regeneration equipment Download PDFInfo
- Publication number
- CN113333451B CN113333451B CN202110621467.8A CN202110621467A CN113333451B CN 113333451 B CN113333451 B CN 113333451B CN 202110621467 A CN202110621467 A CN 202110621467A CN 113333451 B CN113333451 B CN 113333451B
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- ring body
- rod
- electrode bar
- box body
- inner cavity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C1/00—Reclamation of contaminated soil
- B09C1/06—Reclamation of contaminated soil thermally
- B09C1/062—Reclamation of contaminated soil thermally by using electrode or resistance heating elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09C—RECLAMATION OF CONTAMINATED SOIL
- B09C2101/00—In situ
Abstract
The invention belongs to the field of soil remediation, and particularly relates to a safe regeneration device for chemical remediation of heavy metal contaminated soil, which comprises a box body, wherein a processing chip is fixedly arranged in the middle of the top of an inner cavity of the box body, sliding rheostats are fixedly arranged on two sides of the top of the inner cavity of the box body, motors are fixedly arranged on two side walls of the box body, and transmission shafts of the motors penetrate through the side walls of the box body and are fixedly connected with lead screws. The invention feeds back the temperature of the tail end of the first electrode bar through the first temperature sensor, thereby utilizing the processing chip to control the lead screw motor to drive the slide sheet on the surface of the slide rheostat to slide, realizing screw thread transmission and high adjustment precision, and simultaneously, the processing chip can regulate and control the temperature value of the rheostat in real time, thereby ensuring that the electrode bar is always in the optimal voltage, further ensuring the optimal temperature of soil and further ensuring the optimal temperature environment for soil purification.
Description
Technical Field
The invention relates to the field of soil remediation, in particular to safe regeneration equipment for chemical remediation of heavy metal contaminated soil.
Background
Soil remediation is a technical measure to restore normal function to contaminated soil. In the soil remediation industry, the existing soil remediation technologies can reach more than one hundred, the common technologies can also be more than ten, the existing soil remediation technologies can be roughly divided into three methods, namely physical, chemical and biological methods, and since the 20 th century and the 80 th century, many countries in the world, particularly developed countries, make and develop polluted soil treatment and remediation plans, so that a new soil remediation industry is formed, however, when the electrode rod is used for purifying soil by applying voltage to the soil in the process of using the chemical remediation safe regeneration equipment for heavy metal polluted soil, the soil can be heated due to overhigh voltage, and the soil is heated to cause poor soil purification effect.
Current patent CN202010890392.9 discloses a heavy metal contaminated soil chemical remediation safety regeneration equipment, which comprises a housin, the equal fixedly connected with electrode bar in the lower surface left and right sides of casing, the inboard sliding connection who just is located electrode bar of the lower surface of casing has the board of relaxing, the internal surface top fixedly connected with fixing base of casing. The inside inflation shell of casing is heated the inflation, produce ascending thrust to the fixed plate, when the fixed plate atress in the inside of fixed plate upwards gliding, promote the slider through the connecting rod and slide at the surface of gag lever post, when the slider is in the surface gliding of gag lever post, the slider drives the gleitbretter of its upper surface and slides on the slide bar, the contact position of gleitbretter and resistance bar changes simultaneously, improve equipment's access resistance, reduce the voltage that equipment lets in soil, make equipment the purification efficiency of soil highest, avoid leading to soil purification incomplete because soil high temperature.
The above patents are in use; insert through the electrode bar in the soil, utilize voltage to purify soil, but at the in-process of in-service use, the deformation that utilizes the inflation to take place drives rheostat and adjusts the resistance value, it is lower to adjust the precision, and utilize the board that relaxes to insert and carry out the heat conduction in soil, reach radiating effect, avoid the high temperature to influence purifying effect, but electrode bar transmission heat, there is certain temperature difference by near and far temperature, however this device all is through same radiating effect in different positions, thereby appear different positions heat dissipation easily after, there is the temperature difference, the temperature can't be guaranteed to be best purification temperature, thereby can't effectual assurance purifying process in the precision of temperature, and then influence soil purification's effect easily. For this reason, new technical solutions need to be designed to solve the problem.
Disclosure of Invention
The invention aims to provide safe regeneration equipment for chemical remediation of heavy metal contaminated soil, which solves the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a safe regeneration device for chemical remediation of heavy metal contaminated soil comprises a box body, wherein a processing chip is fixedly mounted in the middle of the top of an inner cavity of the box body, slide rheostats are fixedly mounted on two sides of the top of the inner cavity of the box body, motors are fixedly mounted on two side walls of the box body, transmission shafts of the motors penetrate through the side walls of the box body and are fixedly connected with lead screws, the outer ends of the lead screws are rotatably connected with end plates through bearings, the bottoms of the end plates are fixedly mounted on the tops of stabilizing plates, the outer ends of the stabilizing plates are fixedly connected with the inner walls of the box body, lead screw sliding blocks are slidably connected to the outer walls of the lead screws, and the outer ends of the lead screw sliding blocks are fixedly connected with sliding pieces of the slide rheostats;
the equal fixed mounting in bottom both sides of box has first electrode bar, the tail end fixed mounting of first electrode bar has first temperature sensor, the fixed cover of outer wall of first electrode bar is equipped with heat dissipation mechanism, heat dissipation mechanism includes the fixed plate, the fixed outer wall that is equipped with first electrode bar of fixed plate cover, the bottom of fixed plate has first ring body, second ring body and third ring body by outer and interior fixed mounting in proper order, the bottom of first ring body, second ring body and third ring body all is seted up flutedly, the inner chamber fixed mounting of recess has first electric push rod, the piston rod outer end fixedly connected with heat dissipation post of first electric push rod, the tail end fixed mounting of heat dissipation post has second temperature sensor.
As a preferred embodiment of the present invention, the first electrode bar is a hollow bar, the inner cavity of the first electrode bar is fixedly provided with a fixing rod, the outer wall of the fixing rod is provided with a plurality of groups of uniformly distributed mounting grooves, the inner cavity of the mounting groove is fixedly provided with a second electrode bar, the outer wall of the first electrode bar is provided with a through hole corresponding to the second electrode bar, the outer wall of the second electrode bar penetrates through the through hole, the second electrode bar comprises a stabilizing rod, the right end face of the stabilizing rod is provided with a limiting hole, the inner cavity of the limiting hole is inserted with an iron limiting rod, the inner cavity of the limiting hole is fixedly provided with an electromagnet, and the outer end of the iron limiting rod is fixedly connected with a third electrode bar.
As a preferred embodiment of the present invention, the signal output terminals of the first temperature sensor and the second temperature sensor are connected to the signal input terminal of the processing chip, and the signal output terminal of the processing chip is connected to the signal input terminals of the motor and the first electric push rod, respectively.
As a preferred embodiment of the present invention, the top of the stabilizing plate is provided with a limiting sliding groove, an inner cavity of the limiting sliding groove is inserted with a limiting sliding block, and the top of the limiting sliding block is connected with the bottom of the screw rod sliding block through a connecting block.
As a preferred embodiment of the present invention, the first ring, the second ring and the third ring are equally spaced.
In a preferred embodiment of the present invention, the heat dissipation pillar is a pointed cone-shaped aluminum pillar.
As a preferred embodiment of the present invention, the number of the grooves is a plurality of groups, and the plurality of groups of the grooves are uniformly distributed at the bottoms of the first ring body, the second ring body, and the third ring body.
In a preferred embodiment of the present invention, a door is hinged to a front side wall of the box body, and a transparent viewing window is embedded in a surface of the door.
Compared with the prior art, the invention has the following beneficial effects:
1. the temperature of the tail end of the first electrode bar is fed back through the first temperature sensor, so that the processing chip is used for controlling the lead screw motor to drive the sliding sheet on the surface of the sliding rheostat to slide, the screw thread transmission is realized, the adjusting precision is high, and meanwhile, the processing chip can regulate and control the temperature value of the rheostat in real time, so that the electrode bar is always in the optimal voltage, the optimal temperature of soil is further ensured, and the optimal temperature environment for soil purification is further ensured.
2. According to the invention, the temperature is fed back through the second temperature sensor by the heat dissipation columns at different positions, so that the insertion depth can be adjusted by driving the heat dissipation columns through the electric push rods, the contact area with the soil is adjusted, the heat dissipation efficiency at different positions, namely different temperatures, can be adjusted, the heat dissipation accuracy is further ensured, the optimal purification temperature can be effectively ensured at different positions, and the soil purification effect is further ensured.
3. According to the invention, the second electrode rod in the inner cavity of the first electrode rod can extend out under the action of the electromagnet, so that the second electrode rod is longitudinally inserted into soil, the heat conduction efficiency of the first electrode rod and the second electrode rod is ensured, and the high-temperature voltage purification effect is further improved.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is a schematic diagram of the overall structure of a chemical remediation and safety regeneration device for heavy metal contaminated soil according to the invention;
FIG. 2 is a schematic structural diagram of a heat dissipation mechanism of the chemical remediation safety regeneration equipment for heavy metal contaminated soil according to the invention;
FIG. 3 is a schematic diagram of the structure of the inner cavity of the groove of the chemical remediation safety regeneration device for heavy metal contaminated soil according to the invention;
FIG. 4 is a schematic diagram of a stable plate structure of the safety regeneration device for chemical remediation of heavy metal contaminated soil according to the present invention;
FIG. 5 is a schematic structural diagram of a first electrode bar of the chemical remediation safety regeneration device for heavy metal contaminated soil according to the invention;
FIG. 6 is a schematic structural diagram of a second electrode bar of the safety regeneration device for chemically remediating heavy metal contaminated soil according to the present invention.
In the figure: 1. a box body; 2. a slide rheostat; 3. a motor; 4. a screw rod; 5. an end plate; 6. a screw rod slide block; 7. connecting blocks; 8. a stabilizing plate; 9. processing the chip; 10. a first electrode rod; 11. a first temperature sensor; 12. a heat dissipation mechanism; 13. a fixing plate; 14. a first ring body; 15. a second ring body; 16. a third ring body; 17. a groove; 18. a first electric push rod; 19. a heat-dissipating post; 20. a second temperature sensor; 21. a limiting chute; 22. a limiting slide block; 23. a through hole; 24. a second electrode bar; 25. a stabilizing rod; 26. mounting grooves; 27. fixing the rod; 28. a third electrode bar; 29. a limiting hole; 30. an iron limiting rod; 31. an electromagnet.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can, for example, be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. For those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations, the model of the electrical appliance provided in the present invention is only referred to, and different models of electrical appliances with the same function can be replaced according to the actual use situation.
Referring to fig. 1-6, the present invention provides a technical solution: a chemical remediation safety regeneration device for heavy metal contaminated soil comprises a box body 1, a processing chip 9 is fixedly installed in the middle of the top of an inner cavity of the box body 1, slide rheostats 2 are fixedly installed on two sides of the top of the inner cavity of the box body 1, after adjustment, the slide rheostats 2 can change resistance, so that voltage for soil purification can be adjusted, motors 3 are fixedly installed on two side walls of the box body 1, the motors 3 are used for providing rotating power, transmission shafts of the motors 3 penetrate through the side walls of the box body 1 and are fixedly connected with lead screws 4, the outer ends of the lead screws 4 are rotatably connected with end plates 5 through bearings, the bottoms of the end plates 5 are fixedly installed on the tops of stabilizing plates 8, the outer ends of the stabilizing plates 8 are fixedly connected with the inner walls of the box body 1, lead screw sliders 6 are slidably connected with the outer walls of the lead screw 4, the outer ends of the lead screw sliders 6 are fixedly connected with sliding pieces of the sliding rheostats 2, and the motors 3 drive the lead screws 4 to rotate, thereby driving the screw rod slide block 6 to move, and adjusting the slide rheostat 2;
the two sides of the bottom of the box body 1 are fixedly provided with a first electrode bar 10, the first electrode bar 10 is used for releasing voltage to soil, the tail end of the first electrode bar 10 is fixedly provided with a first temperature sensor 11, the first temperature sensor 11 is used for feeding back the temperature of the first electrode bar 10, the outer wall of the first electrode bar 10 is fixedly sleeved with a heat dissipation mechanism 12, the heat dissipation mechanism 12 is used for dissipating heat to avoid high temperature from affecting soil purification, the heat dissipation mechanism 12 comprises a fixing plate 13, the fixing plate 13 is fixedly sleeved with the outer wall of the first electrode bar 10, the bottom of the fixing plate 13 is fixedly provided with a first ring body 14, a second ring body 15 and a third ring body 16 from outside to inside in sequence, the bottoms of the first ring body 14, the second ring body 15 and the third ring body 16 are respectively provided with a groove 17, the inner cavity of the groove 17 is fixedly provided with a first electric push rod 18, the outer end of the piston rod of the first electric push rod 18 is fixedly connected with a heat dissipation column 19, the tail end of the heat dissipation column 19 is fixedly provided with a second temperature sensor 20, and the second temperature sensor 20 is used for feeding back the temperature after heat dissipation;
the first electrode bar 10 is a hollow bar, a stabilizing rod 25 is fixedly installed in an inner cavity of the first electrode bar 10, a plurality of groups of uniformly distributed installation grooves 26 are formed in the outer wall of the stabilizing rod 25, a second electrode bar 24 is fixedly installed in the inner cavity of the installation grooves 26, a through hole 23 is formed in the position, corresponding to the second electrode bar 24, of the outer wall of the first electrode bar 10, the outer wall of the second electrode bar 24 penetrates through the through hole 23, the second electrode bar 24 comprises a fixing rod 27, an iron limiting hole 29 is formed in the right end face of the fixing rod 27, an iron limiting rod 30 is inserted into the inner cavity of the iron limiting hole 29, an electromagnet 31 is fixedly installed in the inner cavity of the iron limiting hole 29, a third electrode bar 28 is fixedly connected to the outer end of the iron limiting rod 30, and the third electrode bar 28 can be transversely inserted into soil under the thrust action of the electromagnet 31, so that the high-pressure purification effect is further ensured;
the signal output ends of the first temperature sensor 11 and the second temperature sensor 20 are connected with the signal input end of the processing chip 9, and the signal output end of the processing chip 9 is respectively connected with the signal input ends of the motor 3 and the first electric push rod 18.
In the invention, when in use, the first electrode bar 10 is firstly inserted into soil, then the electromagnet 31 is started to generate thrust on the iron limiting rod 30, so that the third electrode bar 28 can be pushed out to be transversely inserted into the soil, then the first electrode bar 10 and the third electrode bar 28 can release high voltage to purify the soil, meanwhile, the first temperature sensor 11 can feed back the temperature around the first electrode bar 10, when the temperature is too high, the temperature is fed back to the processing chip 9, so that the motor 3 can be started to drive the screw rod 4 to rotate, the screw rod slide block 6 drives the slide sheet on the surface of the slide rheostat 2 to adjust the position, so as to adjust the resistance value, further the voltage of the first electrode bar 10 and the third electrode bar 28 is changed, thereby the temperature is changed, the influence of high temperature on soil purification is avoided, meanwhile, the processing chip 9 can start the first electric push rod 18 to drive the heat dissipation column 19 to descend, thereby can insert in soil, make and carry out heat conduction, thereby derive the heat in the soil, further avoid the high temperature to influence purifying effect, second temperature sensor 20 can feed back the temperature of the soil department that heat dissipation post 19 corresponds simultaneously, the inserted degree of depth through adjusting different heat dissipation posts 19 of different positions, thereby make regulation and soil contact surface, and then guarantee that different positions can have different radiating efficiency, thereby guarantee that the soil department homoenergetic of different positions can guarantee the best temperature, and then guaranteed the effect of purification.
In an optional embodiment, the top of the stabilizing plate 8 is provided with a limiting sliding groove 21, a limiting sliding block 22 is inserted into an inner cavity of the limiting sliding groove 21, and the top of the limiting sliding block 22 is connected with the bottom of the screw rod sliding block 6 through a connecting block 7.
It should be noted that, the limiting slide block 22 slides in the limiting slide groove 21, so that the moving track of the screw rod slide block 6 can be limited, and the stability of the transverse movement is ensured.
In an alternative embodiment, the first ring 14, the second ring 15 and the third ring 16 are equally spaced.
It should be noted that, the arrangement of the same distance can ensure the regular heat dissipation from inside to outside.
In an alternative embodiment, the heat-dissipating stud 19 is a pointed conical aluminum cylinder.
It should be noted that the aluminum column has good heat dissipation performance.
In an alternative embodiment, the number of the grooves 17 is several groups, and the several groups of the grooves 17 are uniformly distributed at the bottom of the first ring body 14, the second ring body 15 and the third ring body 16.
It should be noted that the grooves 17 are uniformly distributed, so that the corresponding groups of heat dissipation columns 19 are also uniformly distributed, and the uniformity of heat dissipation can be ensured.
In an alternative embodiment, the front side wall of the box body 1 is hinged with a box door, and the surface of the box door is embedded with a transparent observation window.
It should be noted that the arrangement of the box door facilitates the later maintenance.
In addition, the parts included in the heavy metal contaminated soil chemical remediation safety regeneration device are all universal standard parts or parts known by technicians in the field, the structure and the principle of the device are known by technicians in the technical manual or by conventional experimental methods, at the idle position of the device, all the electric devices refer to power elements, electric devices, adaptive monitoring computers and power supplies which are connected through leads, the specific connection means refers to the following working principle that the electric connection is completed between the electric devices in sequence, the detailed connection means refers to the known technology in the field, the working principle and the process are mainly described in the following, and the description of the electric control is not given.
While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. The utility model provides a heavy metal contaminated soil chemical remediation safety regeneration device, includes box (1), its characterized in that: a processing chip (9) is fixedly mounted in the middle of the top of an inner cavity of the box body (1), sliding rheostats (2) are fixedly mounted on two sides of the top of the inner cavity of the box body (1), motors (3) are fixedly mounted on two side walls of the box body (1), transmission shafts of the motors (3) penetrate through the side walls of the box body (1) and are fixedly connected with lead screws (4), the outer ends of the lead screws (4) are rotatably connected with end plates (5) through bearings, the bottoms of the end plates (5) are fixedly mounted on the tops of stabilizing plates (8), the outer ends of the stabilizing plates (8) are fixedly connected with the inner walls of the box body (1), lead screw sliding blocks (6) are slidably connected to the outer walls of the lead screws (4), and the outer ends of the lead screw sliding blocks (6) are fixedly connected with sliding pieces of the sliding rheostats (2);
the improved temperature control box is characterized in that first electrode rods (10) are fixedly mounted on two sides of the bottom of the box body (1), a first temperature sensor (11) is fixedly mounted at the tail ends of the first electrode rods (10), a heat dissipation mechanism (12) is fixedly sleeved on the outer wall of each first electrode rod (10), each heat dissipation mechanism (12) comprises a fixed plate (13), the outer wall of each first electrode rod (10) is fixedly sleeved on each fixed plate (13), a first ring body (14), a second ring body (15) and a third ring body (16) are fixedly mounted at the bottom of each fixed plate (13) from outside to inside in sequence, grooves (17) are formed in the bottoms of the first ring body (14), the second ring body (15) and the third ring body (16), a first electric push rod (18) is fixedly mounted in an inner cavity of each groove (17), and a heat dissipation column (19) is fixedly connected to the outer end of a piston rod of each first electric push rod (18), a second temperature sensor (20) is fixedly arranged at the tail end of the heat dissipation column (19);
the first electrode bar (10) is a hollow bar, a stabilizing rod (25) is fixedly arranged in the inner cavity of the first electrode bar (10), the outer wall of the stabilizing rod (25) is provided with a plurality of groups of mounting grooves (26) which are uniformly distributed, a second electrode bar (24) is fixedly arranged in the inner cavity of the mounting groove (26), a through hole (23) is formed in the position, corresponding to the second electrode bar (24), of the outer wall of the first electrode bar (10), the outer wall of the second electrode bar (24) penetrates through the through hole (23), the second electrode bar (24) comprises a fixing rod (27), a limiting hole (29) is arranged on the right end face of the fixing rod (27), an iron limiting rod (30) is inserted into the inner cavity of the limiting hole (29), an electromagnet (31) is fixedly installed in the inner cavity of the limiting hole (29), and a third electrode bar (28) is fixedly connected to the outer end of the iron limiting rod (30);
the signal output ends of the first temperature sensor (11) and the second temperature sensor (20) are connected with the signal input end of the processing chip (9), and the signal output end of the processing chip (9) is respectively connected with the signal input ends of the motor (3) and the first electric push rod (18);
the number of the grooves (17) is a plurality of groups, and the grooves (17) are uniformly distributed at the bottoms of the first ring body (14), the second ring body (15) and the third ring body (16).
2. The chemical remediation safety regeneration device for heavy metal contaminated soil according to claim 1, wherein: the top of the stabilizing plate (8) is provided with a limiting sliding groove (21), an inner cavity of the limiting sliding groove (21) is inserted with a limiting sliding block (22), and the top of the limiting sliding block (22) is connected with the bottom of the screw rod sliding block (6) through a connecting block (7).
3. The chemical remediation safety regeneration device for heavy metal contaminated soil according to claim 1, wherein: the first ring body (14), the second ring body (15) and the third ring body (16) are equal in distance.
4. The chemical remediation safety regeneration device for heavy metal contaminated soil according to claim 1, wherein: the heat dissipation column (19) is a pointed cone-shaped aluminum column.
5. The chemical remediation safety regeneration device for heavy metal contaminated soil according to claim 1, wherein: the front side wall of the box body (1) is hinged with a box door, and a transparent observation window is embedded in the surface of the box door.
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| CN202110621467.8A CN113333451B (en) | 2021-06-03 | 2021-06-03 | Heavy metal contaminated soil chemical remediation safety regeneration equipment |
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