Electric removing equipment for heavy metal pollution of soil

Abstract

The utility model discloses electric cleaning equipment for soil heavy metal pollution, which structurally comprises a main body unit, the main body unit comprises a mounting box, a water storage tank and a direct-current power supply are arranged in the mounting box, a water pump is further mounted in the water storage tank, the output end of the water pump is connected with a water conveying pipe, and a through hole is formed in the water conveying pipe. When hot water is evaporated, heavy metals are brought to the electrode plates and enter the first sealing cylinder and the second sealing cylinder through the evaporation ports, water vapor is guided to the sealing door through the evaporation pipe, the evaporated water vapor generally contains a small amount of heavy metals, the heavy metals are adsorbed by the activated carbon plate and then enter the heating cavity, and the water vapor is gathered in the heating cavity. And the residual heat is accumulated to heat the heating cavity and preheat the water storage tank, so that the evaporated water vapor is repeatedly utilized, heavy metals in the steam are prevented from causing secondary pollution to the soil, meanwhile, the residual heat of the steam is utilized to heat the hot water or preheat the hot water, and the energy consumption required by heating is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil heavy metal pollution electric removal equipment technical field especially relates to a soil heavy metal pollution electric removal equipment. BACKGROUND

[0002] The soil heavy metal pollution electric removal equipment is a kind of equipment using electrokinetic remediation to remove or reduce heavy metal pollution in soil.Electrokinetic remediation applies direct current field to both sides of contaminated soil, and makes the pollutants (such as heavy metals) in soil migrate out of soil by electromigration, electroosmosis and other ways under the action of electric field, so as to achieve the purpose of cleaning soil, and the soil heavy metal pollution electric removal equipment is an effective means to remove or reduce heavy metal pollution in soil using electrokinetic remediation.

[0003] The heavy metal contaminated soil treatment device disclosed in the publication No.CN221046926U, although the utility model uses water adding pipe to increase the flowing water in soil for part of the heavy metal contaminated soil with less flowing water, at the same time, since the water in soil will move heavy metal ions due to soil water evaporation effect, therefore, the mulch is arranged in the utility model, since the electrode plate is located in the through hole of the mulch, therefore, the evaporation direction of water in soil will move towards the direction of electrode plate, so as to improve the efficiency of heavy metal ions moving and enriching to electrode plate, effectively improve the efficiency of electrokinetic remediation method in treating heavy metal contaminated soil, so as to facilitate the wide promotion and use of electrokinetic remediation method in heavy metal contaminated soil treatment.

[0004] However, the hot water evaporated by the utility model may contain untreated heavy metals, which is directly discharged into the air, and may cause secondary pollution to water body and soil, and the removal efficiency of heavy metals is improved by conveying hot water, which may reduce the energy consumption in electrokinetic remediation process to some extent, but the heating process itself also consumes a large amount of energy, which may increase the overall energy consumption. SUMMARY

[0005] The purpose of this part is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, in order to solve the above technical problems, the utility model provides the following technical scheme: a soil heavy metal pollution electric removal equipment, the soil heavy metal pollution electric removal equipment comprises:

[0007] The main unit comprises a mounting box, a water storage groove and a direct current power supply are arranged in the mounting box, a water pump is further arranged in the water storage groove, an output end of the water pump is connected with a water delivery pipe, a through hole is arranged in the water delivery pipe, a one-way water permeable membrane is arranged in the through hole, and the direct current power supply is connected with an electrode plate through a cable electric signal.

[0008] The recovery unit comprises a mulch film, the mulch film is laid on the soil to be treated, an evaporation opening is arranged at the electrode plate, a first sealing cylinder and a second sealing cylinder are detachably connected at the evaporation opening through bolts, a mounting block is fixed on one side of the first sealing cylinder, a rectangular groove is arranged in the mounting block, a first spring is fixed on the inner wall of the rectangular groove, a reverse L-shaped block is fixed on one end of the first spring, an insertion block is fixed on the reverse L-shaped block, a fixing block is fixed on one side of the second sealing cylinder, and an insertion hole is arranged in the inner wall of the fixing block.

[0009] As a preferred scheme of the soil heavy metal pollution electric removal equipment, the mounting box is further provided with a heating cavity, a discharge pipe is arranged on the inner top wall of the heating cavity, and an electromagnetic valve is arranged on the discharge pipe.

[0010] As a preferred scheme of the soil heavy metal pollution electric removal equipment, a limiting groove is arranged on the inner wall of the heating cavity, a ball bearing is slidably connected in the limiting groove, a second spring is fixed on the ball bearing, and one end of the second spring is fixed in a mounting groove arranged on one side of the sealing door.

[0011] As a preferred scheme of the soil heavy metal pollution electric removal equipment, an activated carbon plate is arranged on the inner wall of the sealing door, an evaporation pipe is further arranged on the sealing door, and the evaporation pipe is connected to the first sealing cylinder and the second sealing cylinder.

[0012] As a preferred scheme of the soil heavy metal pollution electric removal equipment, a temperature sensor and an electric heating wire are arranged on the inner wall of the water storage groove.

[0013] As a preferred scheme of the soil heavy metal pollution electric removal equipment, an arc-shaped groove is arranged at the abutting position of the first sealing cylinder and the second sealing cylinder, and a sealing gasket is arranged in the arc-shaped groove.

[0014] The soil heavy metal pollution electric removal equipment has the following beneficial effects.

[0015] When in use, the heavy metals are carried to the electrode plate by the hot water vapor, and enter the first sealed cylinder and the second sealed cylinder through the evaporation port, and the water vapor is guided to the sealing door through the evaporation pipe, the water vapor generally contains a small amount of heavy metals, which are adsorbed by the activated carbon plate and then enter the heating cavity, the water vapor is gathered in the heating cavity, and the remaining heat is accumulated to heat the heating cavity, so that the evaporated water vapor is reused, the secondary pollution of the heavy metals in the water vapor to the soil is prevented, and the water is heated or kept warm by using the waste heat of the water vapor, so that the energy consumption required for heating is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 It is a structure schematic diagram of the whole soil heavy metal pollution electric removal equipment.

[0018] Figure 2 It is a structure schematic diagram of the whole soil heavy metal pollution electric removal equipment.

[0019] Figure 3 It is a structure schematic diagram of the whole soil heavy metal pollution electric removal equipment.

[0020] Figure 4 It is a structure schematic diagram of the whole soil heavy metal pollution electric removal equipment.

[0021] Figure 5 It is a structure schematic diagram of the whole soil heavy metal pollution electric removal equipment.

[0022] In the drawings: 100, main unit; 101, mounting box; 1011, heating cavity; 1012, discharge pipe; 1013, electromagnetic valve; 1014, ball; 1015, second spring; 1016, sealing door; 1017, activated carbon plate; 1018, evaporation pipe; 102, water storage tank; 1021, temperature sensor; 1022, electric heating wire; 103, direct current power supply; 104, water pump; 105, water delivery pipe; 106, one-way water permeable membrane; 107, cable; 108, electrode plate;

[0023] 200, recovery unit; 201, ground cover; 202, first sealing cylinder; 2021, sealing gasket; 203, second sealing cylinder; 204, mounting block; 205, first spring; 206, inverted L-shaped block; 207, insertion block; 208, fixing block. DETAILED DESCRIPTION

[0024] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings.

[0025] In the following description, a lot of specific details are set forth in order to facilitate a full and complete understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the present application, therefore the present application is not limited by the specific embodiments disclosed below.

[0026] Secondly, the "one embodiment" or "embodiment" referred to herein can include specific features, structures or characteristics contained in at least one implementation of the present application. In this specification, "in one embodiment" does not mean the same embodiment, nor is it an independent or alternative embodiment that excludes other embodiments.

[0027] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in order to facilitate the description, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0028] Embodiment 1

[0029] Reference Figures 1-5 For the first embodiment of the present application, a soil heavy metal pollution electric removal equipment is provided, which comprises:

[0030] The main unit 100 comprises a mounting box 101, a water storage tank 102 and a direct current power supply 103 are arranged in the mounting box 101, a water pump 104 is further arranged in the water storage tank 102, an output end of the water pump 104 is connected with a water delivery pipe 105, a through hole is arranged on the water delivery pipe 105, a one-way water permeable film 106 is arranged in the through hole, the electrode plate 108 is electrically connected with the direct current power supply 103 through the cable 107, in the use process, the mulch 201 is laid on the soil to be treated, then the electrode plate 108 and the water delivery pipe 105 are inserted into the ground, the electrode plate 108 is inserted at the evaporation opening of the mulch 201, the direct current power supply 103 supplies power to the electrode plate 108 through the cable 107, so that the heavy metal pollutants in the soil move to the electrode plate 108 under the action of the electric field, at the same time, the water pump 104 is started to pump out the hot water in the water storage tank 102 through the water delivery pipe 105, the hot water enters the soil through the one-way water permeable film 106, the hot water increases the flowability of the pollutants in the soil, reduces the electric removal time, and when the hot water evaporates, the hot water enters the first sealing cylinder 202 and the second sealing cylinder 203 through the evaporation opening;

[0031] The recycling unit 200 comprises the mulch 201, the mulch 201 is laid on the soil to be treated, the mulch 201 is provided with the evaporation opening at the electrode plate 108, the first sealing cylinder 202 and the second sealing cylinder 203 are detachably connected at the evaporation opening through bolts, one side of the first sealing cylinder 202 is fixedly provided with the mounting block 204, a rectangular groove is arranged in the mounting block 204, the first spring 205 is fixedly arranged on the inner wall of the rectangular groove, one end of the first spring 205 is fixedly provided with the inverted L-shaped block 206, the plug 207 is fixedly arranged on the inverted L-shaped block 206, one side of the second sealing cylinder 203 is fixedly provided with the fixed block 208, the insertion hole is arranged on the inner wall of the fixed block 208, in the use process, the cable 107 is aligned with the arc-shaped groove, the sealing gasket 2021 is wrapped on the cable 107, then the inverted L-shaped block 206 is pressed inwardly, the mounting block 204 is aligned with the fixed block 208, then the inverted L-shaped block 206 is released, the first spring 205 drives the plug 207 to rebound into the insertion hole without force, so that the first sealing cylinder 202 and the second sealing cylinder 203 are combined, and then the first sealing cylinder 202 and the second sealing cylinder 203 are mounted on the mulch 201 through the bolts.

[0032] Further, the heating cavity 1011 is further arranged in the mounting box 101, the discharge pipe 1012 is arranged on the inner top wall of the heating cavity 1011, the electromagnetic valve 1013 is arranged on the discharge pipe 1012, the evaporated water vapor is gathered in the heating cavity 1011, the remaining heat accumulates to heat the heating cavity 1011, and the water storage tank 102 can be preheated.

[0033] Further, the inner wall of the heating cavity 1011 is provided with a limiting groove, a ball 1014 is slidably connected in the limiting groove, a second spring 1015 is fixed on the ball 1014, and one end of the second spring 1015 is fixed in a mounting groove formed on one side of a sealing door 1016. The sealing door 1016 is aligned with the heating cavity 1011, the ball 1014 is clamped in the limiting groove under the elastic action of the second spring 1015, and the rapid installation of the sealing door 1016 can be realized.

[0034] Further, the inner wall of the sealing door 1016 is provided with an activated carbon plate 1017, and an evaporation pipe 1018 is further installed on the sealing door 1016. The evaporation pipe 1018 is connected to the first sealing cylinder 202 and the second sealing cylinder 203. The evaporated water vapor enters the evaporation pipe 1018 through the first sealing cylinder 202 and the second sealing cylinder 203, and then enters the heating cavity 1011 after being adsorbed by the activated carbon plate 1017.

[0035] Further, a temperature sensor 1021 and an electric heating wire 1022 are installed on the inner wall of the water storage tank 102. The water in the water storage tank 102 is heated by the electric heating wire 1022, and the temperature of the hot water can be sensed by the temperature sensor 1021, thereby facilitating the adjustment of the temperature of the hot water.

[0036] Further, an arc-shaped groove is formed at the joint of the first sealing cylinder 202 and the second sealing cylinder 203, and a sealing gasket 2021 is arranged in the arc-shaped groove. The sealing gasket 2021 is wrapped around the surface of the cable 107, thereby increasing the airtightness of the first sealing cylinder 202 and the second sealing cylinder 203.

[0037] In use, the mulch film 201 is laid on the soil to be treated, the electrode plate 108 and the water delivery pipe 105 are inserted into the ground, the electrode plate 108 is inserted at the evaporation port of the mulch film 201, the cable 107 is aligned with the arc-shaped groove so that the sealing gasket 2021 is wrapped around the cable 107, the inverted L-shaped block 206 is pressed inward, the mounting block 204 is aligned with the fixing block 208, the first spring 205 is released to drive the plug 207 to rebound into the plug hole, the first sealing cylinder 202 and the second sealing cylinder 203 are combined, and the first sealing cylinder 202 and the second sealing cylinder 203 are installed on the mulch film 201 through bolts;

[0038] Then the DC power supply 103 delivers power to the electrode plate 108 through the cable 107, so that the heavy metal pollutants in the soil move towards the electrode plate 108 under the action of the electric field. At the same time, the water pump 104 is started to pump out the hot water in the water storage tank 102 through the water delivery pipe 105. The hot water enters the soil through the one-way water permeable membrane 106. The hot water increases the flowability of the pollutants in the soil, reduces the electric removal time, and the hot water evaporates through the evaporation port into the first sealing cylinder 202 and the second sealing cylinder 203.

[0039] The last evaporated water vapor enters the evaporation pipe 1018 in the first sealing cylinder 202 and the second sealing cylinder 203, the evaporation pipe 1018 guides the water vapor to the sealing door 1016, the evaporated water vapor usually contains a small amount of heavy metals, which are adsorbed by the activated carbon plate 1017 and then enter the heating cavity 1011, the water vapor is gathered in the heating cavity 1011, the remaining heat accumulates to heat the heating cavity 1011, the sealing door 1016 is aligned with the heating cavity 1011, the ball 1014 is clamped into the limiting groove under the elastic action of the second spring 1015, the quick installation and disassembly of the sealing door 1016 can be realized, so that the replacement of the activated carbon plate 1017 is facilitated.

[0040] It is worth noting that the whole device is controlled by the controller, and since the controller is a commonly used device, it belongs to the existing mature technology, and the electrical connection relationship and the specific circuit structure are not described here.

[0041] It should be explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical solutions of the present application, which should be covered in the scope of the claims of the present application.

Claims

1. An electric soil heavy metal pollution removal device, characterized in that: Including, The main unit (100) includes a mounting box (101), a water storage tank (102) and a direct current power supply (103) are opened in the mounting box (101), the inside of the water storage tank (102) is also provided with a water pump (104), the output end of the water pump (104) is connected with a water delivery pipe (105), the water delivery pipe (105) is provided with a through hole, the through hole is provided with a one-way water permeable membrane (106), the direct current power supply (103) is electrically connected with an electrode plate (108) through a cable (107); The recovery unit (200) includes a mulch film (201), the mulch film (201) is laid on the soil to be treated, the mulch film (201) is provided with an evaporation port at the electrode plate (108), the evaporation port is detachably connected with a first sealing cylinder (202) and a second sealing cylinder (203) through bolts, one side of the first sealing cylinder (202) is fixedly connected with a mounting block (204), a rectangular groove is opened in the mounting block (204), a first spring (205) is fixedly connected to the inner wall of the rectangular groove, one end of the first spring (205) is fixedly connected with an inverted L-shaped block (206), the inverted L-shaped block (206) is fixedly connected with an insertion block (207), one side of the second sealing cylinder (203) is fixedly connected with a fixed block (208), and a plug hole is opened in the inner wall of the fixed block (208).

2. The soil heavy metal pollution electric removal device according to claim 1, characterized in that: The mounting box (101) is also provided with a heating cavity (1011), and the inner top wall of the heating cavity (1011) is provided with a discharge pipe (1012), and the discharge pipe (1012) is provided with an electromagnetic valve (1013).

3. The soil heavy metal pollution electric removal equipment according to claim 2, characterized in that: The inner wall of the heating cavity (1011) is provided with a limiting groove, the limiting groove is slidably connected with a ball (1014), the ball (1014) is fixedly connected with a second spring (1015), and one end of the second spring (1015) is fixedly connected in the mounting groove opened on one side of the sealing door (1016).

4. The soil heavy metal pollution electric removal device according to claim 3, characterized in that: The inner wall of the sealing door (1016) is provided with an activated carbon plate (1017), and the sealing door (1016) is also provided with an evaporation pipe (1018), and the evaporation pipe (1018) is connected to the first sealing cylinder (202) and the second sealing cylinder (203).

5. The soil heavy metal pollution electric removal equipment according to claim 1, characterized in that: The inner wall of the water storage tank (102) is provided with a temperature sensor (1021) and an electric heating wire (1022).

6. The soil heavy metal pollution electric removal device according to claim 1, characterized in that: The abutting portion of the first sealing cylinder (202) and the second sealing cylinder (203) is provided with an arc-shaped groove, and the arc-shaped groove is provided with a sealing gasket (2021).

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