Volatile organic contaminated soil heat strengthening gas phase extraction system

Abstract

The utility model discloses a volatile organic contaminated soil heat strengthening gas phase extraction system, and relates to the technical field of soil purification, the volatile organic contaminated soil heat strengthening gas phase extraction system comprises a vacuum pump, a connecting pipeline is arranged at the gas inlet end of the vacuum pump, and a hollow sleeve is arranged at the end, away from the vacuum pump, of the connecting pipeline in a threaded mode. A hollow sleeve is arranged on the outer side of the vacuum pump, a fixing block is arranged on the outer side of the hollow sleeve, a clamping block is fixedly arranged on one side of the fixing block, a filtering part is detachably installed on the clamping block and used for filtering impurities contained in gas when the vacuum pump pumps the polluted gas in the soil, the filtering part comprises an installation block, and a filtering net is arranged on the installation block. The volatile organic contaminated soil heat strengthening gas phase extraction system is provided with the filter screen, so that the gas phase extraction equipment is conveniently prevented from being damaged by impurities in soil, the safety is high, the filter screen is convenient to disassemble or assemble, and the working efficiency is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to soil purification technical field, concretely is volatile organic contaminated soil heat intensification gas phase extraction system. BACKGROUND

[0002] Heat intensification gas phase extraction is negative pressure produced by vacuum pump extraction, air is induced to flow through the pollution area, under the action of heating, volatile and semi-volatile organic pollutants in the soil are desorbed and entrained in the airflow, and then are extracted to the ground for collection and processing, which is suitable for treating soil contaminated by volatile organic pollutants, and facilitates soil detection and purification.

[0003] With the continuous improvement of environmental protection requirements and the continuous development of soil remediation technology, heat intensification gas phase extraction technology will develop towards higher efficiency, more environmental protection and more intelligentization, in the existing gas phase extraction system, impurities in the soil are easy to enter the pipeline or equipment with the gas when the vacuum pump extracts the contaminated gas, which will cause blockage and damage the equipment, so a filtering device is needed to filter the gas, but the existing filtering device is directly welded at the gas inlet end of the air extraction pipeline fixed by screws, which is inconvenient to disassemble or install and has low working efficiency.

[0004] Therefore, in view of the above problems, the applicant needs to design a volatile organic contaminated soil heat intensification gas phase extraction system to solve the problems. SUMMARY

[0005] The utility model discloses a volatile organic contaminated soil heat intensification gas phase extraction system to solve the problems mentioned in the above background technology.

[0006] To achieve the above object, the utility model provides the following technical scheme: volatile organic contaminated soil heat intensification gas phase extraction system, including vacuum pump, and the gas inlet end of vacuum pump is provided with connecting pipeline, one end of connecting pipeline away from vacuum pump is provided with hollow sleeve with screw, and the outside of hollow sleeve is provided with fixed block, one side of fixed block is fixedly provided with clamping block, and the clamping block is detachably installed with filter part, and the filter part is used for filtering the impurities contained in the gas when the vacuum pump extracts the contaminated gas in the soil, and the filter part contains mounting block, and the mounting block is provided with filter screen.

[0007] Further, the mounting block is internally provided with a clamping groove, and the inner surface of the clamping groove is flush with the outer surface of the clamping block.

[0008] Through the above structure design, the clamping groove and the clamping block are used to connect the mounting block and the hollow sleeve, and the clamping groove and the clamping block can prevent the soil and other impurities from entering the inside of the mounting block after connection.

[0009] Further, the card block is provided with a limiting slot, the mounting block is integrally provided with a limiting block inside, and a sliding slot is formed in the limiting block, a sliding block is slidably arranged in the sliding slot, and the sliding block is matched with the limiting slot.

[0010] Through the above structural design, when in use, the card block pushes the sliding block into the sliding slot, and when the card block is inserted into the card slot, the sliding block is inserted into the limiting slot, thereby facilitating the stable connection between the fixing block and the mounting block.

[0011] Further, one side of the card block is provided with a first inclined surface, one end of the sliding block inside the mounting block is provided with a second inclined surface, and the second inclined surface is matched with the first inclined surface.

[0012] Through the above structural design, the first inclined surface and the second inclined surface facilitate the smooth insertion of the card block into the card slot under the action of external force, and the installation efficiency is high and the installation stability is strong.

[0013] Further, one end of the sliding block inside the sliding slot is fixedly provided with a return spring, and the end of the return spring away from the sliding block is fixedly connected with the inner surface of the sliding slot.

[0014] Through the above structural design, when the card block is inserted into the card slot, the return spring facilitates the insertion of the sliding block into the limiting slot when the sliding block moves to the position of the limiting slot.

[0015] Further, the mounting block is provided with a sealing gasket, and the inner circle of the sealing gasket is flush with the outer circle of the filter screen.

[0016] Through the above structural design, the sealing gasket facilitates the sealing between the mounting block and the hollow sleeve.

[0017] Compared with the prior art, the volatile organic contaminated soil heat-enhanced gas phase extraction system has the following advantages:

[0018] 1. When the volatile organic contaminated soil heat-enhanced gas phase extraction system is in use, the mounting block is inserted into the fixing block by using external force, the movement of the mounting block drives the card block to be inserted into the card slot, when the first inclined surface contacts the second inclined surface, the card block drives the sliding block to move, the movement of the sliding block drives the return spring, the return spring generates elastic force, and when the limiting slot moves to the position of the card block, the elastic force generated by the return spring drives the sliding block to be inserted into the limiting slot, thereby facilitating the connection between the mounting block and the hollow sleeve, so that the filter screen can be put into use conveniently, and when the vacuum pump extracts the contaminated gas in the soil, the filter screen blocks the impurities, and the safety is high.

[0019] 2、The volatile organic contaminated soil thermal enhanced gas phase extraction system in use, when the filter screen needs to be replaced, the installation block is pulled by external force, the first inclined surface and the second inclined surface are used to make the clamping block push the sliding block to move, the sliding block moves to the inside of the sliding groove, the clamping block is separated from the clamping groove, the installation block is convenient to disassemble, and the working efficiency is high. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0021] Figure 2 It is a split structure schematic view of the utility model fixed block and filter component;

[0022] Figure 3 It is a three-dimensional structure schematic view of the utility model Figure 2 It is a structure schematic view of the utility model enlarged at A place;

[0023] Figure 4 It is a three-dimensional structure schematic view of the utility model filter component;

[0024] Figure 5 It is a connection structure schematic view of the utility model sliding block and limiting block.

[0025] In the drawing: 1, vacuum pump;2, connecting pipeline;3, hollow sleeve;4, filter component;5, fixed block;6, clamping block;7, limiting groove;8, first inclined surface;9, installation block;10, filter screen;11, limiting block;12, sliding groove;13, return spring;14, sliding block;15, second inclined surface;16, sealing gasket;90, clamping groove. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] As Figures 1-5 Indicated, the utility model discloses volatile organic contaminated soil thermal enhanced gas phase extraction system, including vacuum pump 1, and the air inlet of vacuum pump 1 is provided with connecting pipeline 2, and the end away from vacuum pump 1 of connecting pipeline 2 is provided with hollow sleeve 3 with screw thread, and the outside of hollow sleeve 3 is provided with fixed block 5, and one side of fixed block 5 is fixedly provided with clamping block 6, and clamping block 6 is detachably installed with filter component 4, and filter component 4 is used to filter the sundries contained in the gas when vacuum pump 1 extracts the contaminated gas in soil, and filter component 4 contains installation block 9, and installation block 9 is provided with filter screen 10.

[0028] The installation block 9 is internally provided with a clamping groove 90, and the inner surface of the clamping groove 90 is flush with the outer surface of the clamping block 6, so that the clamping groove 90 and the clamping block 6 facilitate the connection of the installation block 9 and the hollow sleeve 3, and after the clamping groove 90 and the clamping block 6 are connected, the installation block 9 is prevented from being internally filled with soil and other impurities, the clamping block 6 is provided with a limiting groove 7, the installation block 9 is integrally provided with a limiting block 11 inside, the limiting block 11 is internally provided with a sliding groove 12, the sliding groove 12 is internally and slidably provided with a sliding block 14, the sliding block 14 is matched with the limiting groove 7, the clamping block 6 pushes the sliding block 14 into the sliding groove 12, when the clamping block 6 is inserted into the clamping groove 90, the sliding block 14 is inserted into the limiting groove 7, so as to facilitate the stable connection of the fixing block 5 and the installation block 9, one side of the clamping block 6 is provided with a first inclined surface 8, one end of the sliding block 14 located inside the installation block 9 is provided with a second inclined surface 15, the second inclined surface 15 is matched with the first inclined surface 8, the first inclined surface 8 and the second inclined surface 15 facilitate the smooth insertion of the clamping block 6 into the clamping groove 90 under the action of external force, the installation efficiency is high, and the installation stability is high, one end of the sliding block 14 located inside the sliding groove 12 is fixedly provided with a return spring 13, one end of the return spring 13 away from the sliding block 14 is fixedly connected with the inner surface of the sliding groove 12, when the clamping block 6 is inserted into the clamping groove 90, the return spring 13 facilitates the insertion of the sliding block 14 into the limiting groove 7 when the sliding block 14 moves to the position of the limiting groove 7, the elastic coefficient of the return spring 13 is determined according to actual conditions, so that the second inclined surface 15 is close to the inner circle of the limiting groove 7, the installation block 9 is provided with a sealing gasket 16, and the inner circle of the sealing gasket 16 is flush with the outer circle of the filter screen 10, so that the sealing gasket 16 facilitates the improvement of the sealing property between the installation block 9 and the fixing block 5.

[0029] Working principle: when the volatile organic contaminated soil heat enhanced gas phase extraction system is used, the installation block 9 is inserted into the fixing block 5 by using external force, the installation block 9 moves to insert the clamping block 6 into the clamping groove 90, when the first inclined surface 8 contacts the second inclined surface 15, the clamping block 6 pushes the sliding block 14 to move, the sliding block 14 pushes the return spring 13 to move, the return spring 13 generates elastic force, and as the clamping block 6 continues to be inserted, the elastic force generated by the return spring 13 pushes the sliding block 14 to be inserted into the limiting groove 7 when the limiting groove 7 moves to the position of the clamping block 6, so as to facilitate the connection of the installation block 9 and the hollow sleeve 3, so as to facilitate the use of the filter screen 10, and the installation is convenient, when the vacuum pump 1 extracts the contaminated gas in the soil, the filter screen 10 blocks the impurities, and the safety is high, when the filter screen 10 needs to be replaced, the installation block 9 is pulled by using external force, the installation block 9 moves to push the clamping block 6 to move by using the first inclined surface 8 and the second inclined surface 15, the sliding block 14 moves into the sliding groove 12 to facilitate the disconnection of the clamping block 6 and the clamping groove 90, so as to facilitate the disassembly of the installation block 9, and the working efficiency is high.

[0030] With the above ideal embodiment of the present application as the inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content of the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A volatile organic contaminated soil thermal enhanced vapor extraction system comprising a vacuum pump (1), and a connecting pipe (2) is arranged at the air inlet end of the vacuum pump (1), characterized in that, The connecting pipeline (2) is provided with a hollow sleeve (3) at one end away from the vacuum pump (1), and the outer side of the hollow sleeve (3) is provided with a fixed block (5), one side of the fixed block (5) is fixedly provided with a clamping block (6), the clamping block (6) is detachably provided with a filter component (4), and the filter component (4) is used for filtering impurities contained in the gas when the vacuum pump (1) extracts the contaminated gas in the soil, and the filter component (4) comprises a mounting block (9), and the mounting block (9) is provided with a filter screen (10).

2. The volatile organic contaminated soil thermal enhanced vapor extraction system of claim 1, wherein: The mounting block (9) is internally provided with a clamping groove (90), and the inner surface of the clamping groove (90) is flush with the outer surface of the clamping block (6).

3. The volatile organic contaminated soil thermal enhanced vapor extraction system of claim 1, wherein: The clamping block (6) is provided with a limiting groove (7), the mounting block (9) is integrally provided with a limiting block (11) inside, the limiting block (11) is internally provided with a sliding groove (12), the sliding groove (12) is internally provided with a sliding block (14), and the sliding block (14) is matched with the limiting groove (7).

4. The volatile organic contaminated soil thermal enhanced vapor extraction system of claim 3, wherein: One side of the clamping block (6) is provided with a first inclined surface (8), one end of the sliding block (14) located inside the mounting block (9) is provided with a second inclined surface (15), and the second inclined surface (15) is matched with the first inclined surface (8).

5. The volatile organic contaminated soil thermal enhanced vapor extraction system of claim 3, wherein: One end of the sliding block (14) located inside the sliding groove (12) is fixedly provided with a reset spring (13), and one end of the reset spring (13) away from the sliding block (14) is fixedly connected with the inner surface of the sliding groove (12).

6. The volatile organic contaminated soil thermal enhanced vapor extraction system of claim 1, wherein: The mounting block (9) is internally provided with a sealing gasket (16), and the inner ring of the sealing gasket (16) is flush with the outer ring of the filter screen (10).

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