In-situ stabilisation of stockpiled waste

Abstract

The present application relates to garbage disposal technical field, more specifically, it relates to a kind of in-situ stabilizing equipment of inventory garbage, including garbage heap, gas extraction and injection system and liquid extraction and injection system, gas extraction and injection system includes gas extraction section and gas injection section, gas extraction section includes gas extraction pipeline, gas extraction fan and odor treatment device, garbage heap, gas extraction fan and odor treatment device are sequentially connected, gas injection section includes gas injection pipeline and gas injection fan, garbage heap and gas injection fan are connected, liquid extraction and injection system includes liquid extraction section and liquid injection section, liquid extraction section includes liquid extraction pipeline, liquid extraction pump and percolate collection tank, garbage heap, liquid extraction pump and percolate collection tank are sequentially connected, liquid injection section includes liquid injection pipeline, liquid injection pump and water tank, garbage heap, liquid injection pump and water tank are sequentially connected, the in-situ stabilizing equipment of inventory garbage of the present application has the effect of reducing the pollution of odor and percolate generated by garbage heap to environment, and improving the degradation rate of garbage.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of waste treatment, and particularly relates to an in-situ stabilization device for stock waste. BACKGROUND

[0002] The centralized treatment methods of domestic waste mainly include landfill, composting and incineration. Among them, the waste landfill method refers to directly burying waste in soil, then covering the soil to isolate it from the external environment, and finally converting the organic matter in the buried waste into stable and harmless substances through natural fermentation and microbial decomposition and other biological processes. The advantages of the waste landfill method include low process requirements, high land utilization rate, reduced noise pollution, recyclable resources, and relatively low cost. Based on the above advantages, the waste landfill method is currently the main method for treating domestic waste.

[0003] On the one hand, during the degradation of waste, pollutants such as odor and leachate are generated, and if such pollutants are directly released into the environment, pollution will occur. On the other hand, during the microbial reproduction process of waste degradation, bacteria, fungi, algae and other microorganisms can rapidly reproduce under high temperature, humidity and oxygen-rich conditions, and utilize organic matter for metabolic activity, thereby degrading organic matter in the waste. Therefore, the waste degradation process requires a certain temperature, moisture and oxygen, however, after the waste is filled in the land and isolated from the external environment, it is difficult to supplement the temperature, moisture and oxygen in time, which can easily lead to a gradual decrease in the degradation rate of the waste.

[0004] In order to reduce the pollution of odor and leachate generated by the waste pile to the environment and improve the degradation rate of the waste, the present application provides an in-situ stabilization device for stock waste. SUMMARY

[0005] In order to reduce the pollution of odor and leachate generated by the waste pile to the environment and improve the degradation rate of the waste, the present application provides an in-situ stabilization device for stock waste.

[0006] The in-situ stabilization device for stock waste provided by the present application adopts the following technical scheme:

[0007] The application discloses an in-situ stabilizing device for stock garbage, which comprises a garbage pile, a gas extraction and injection system and a liquid extraction and injection system.

[0008] Preferably, the gas injection section further comprises a heat exchanger, which is connected between the gas injection fan and the garbage pile through the gas injection pipeline.

[0009] Preferably, the gas extraction section further comprises a steam-water separator, which is connected between the gas extraction fan and the garbage pile through the gas extraction pipeline.

[0010] Preferably, a vertical shaft is arranged between the gas extraction pipeline and the garbage pile and between the gas injection pipeline and the garbage pile, and the vertical shaft is provided with a flow meter, a pressure gauge and a valve.

[0011] Preferably, the heat exchange pipeline comprises a pipeline body and a partition plate arranged in the pipeline body, the partition plate is in a cross shape, the pipeline body is divided into a gas extraction cavity, a gas injection cavity, a liquid extraction cavity and a liquid injection cavity, the gas injection cavity and the gas extraction cavity are arranged in an upper-lower mode, the liquid extraction cavity and the liquid injection cavity are arranged in an upper-lower mode, and the gas extraction pipeline, the gas injection pipeline, the liquid extraction pipeline and the liquid injection pipeline are respectively gathered in the heat exchange pipeline through the gas extraction cavity, the gas injection cavity, the liquid extraction cavity and the liquid injection cavity.

[0012] Preferably, the partition plate comprises a vertical partition plate and a horizontal partition plate which are connected perpendicularly, the horizontal partition plate is a liquid partition plate arranged between the liquid extraction cavities and the liquid injection cavities, an upper limiting block is arranged on the inner wall of the liquid extraction cavity, a lower limiting block is arranged in the liquid injection cavity, and the liquid partition plate is arranged in a vertical sliding mode between the upper limiting block of the liquid extraction cavity and the lower limiting block of the liquid injection cavity.

[0013] Preferably, the liquid injection cavity is provided with a vertically deformed spring, and the upper end of the spring is connected with the lower end of the liquid partition plate.

[0014] Preferably, the liquid partition plate is provided with a roller shaft on each side, and the roller shafts are respectively attached to the inner wall of the pipeline body and the side wall of the vertical partition plate.

[0015] Preferably, the liquid separation plate comprises an upper plate and a lower plate, a guide rod is vertically arranged in the liquid injection cavity, the lower plate is slidably connected with the guide rod in the vertical direction, the number of the upper plates is two, both of the upper plates are slidably connected with the lower plate in the horizontal direction, the two upper plates move away from or towards each other by sliding, the rollers on both sides of the liquid separation plate are respectively arranged outside the two upper plates, when the two upper plates move towards each other to the closest distance, the rollers on both sides respectively fit the inner wall of the pipe body and the side wall of the vertical partition plate, and the top surface and the inner side surface of the upper plate are arranged as a chamfered surface.

[0016] Preferably, the heat exchange pipe is sleeved with a polyurethane heat preservation sleeve.

[0017] The beneficial effects of the present application are:

[0018] 1. The air injection fan supplements air into the garbage pile, and the liquid injection pump supplements water into the garbage pile, so that a stable oxygen-rich and humid environment is generated in the garbage pile, thereby accelerating the degradation of the garbage, the odor generated in the degradation process of the garbage is extracted by the air extraction fan and discharged after being treated in the odor treatment device, and the leachate generated in the degradation process of the garbage is extracted by the liquid extraction pump and then concentrated and externally delivered for treatment after being collected in the leachate collection tank, thereby reducing the pollution of the odor and the leachate generated by the garbage pile to the environment, and thus the in-situ stabilization equipment for the stock garbage has the effects of reducing the pollution of the odor and the leachate generated by the garbage pile to the environment and improving the degradation speed of the garbage;

[0019] 2. The heat exchanger is used to generate a stable high-temperature environment in the garbage pile, so as to further improve the degradation effect of the garbage;

[0020] 3. The steam-water separator is used to separate the water in the odor extracted from the garbage pile, so as to facilitate further treatment of the odor;

[0021] 4. The air extraction pipeline, the air injection pipeline, the liquid extraction pipeline and the liquid injection pipeline are respectively collected in the heat exchange pipe through the air extraction cavity, the air injection cavity, the liquid extraction cavity and the liquid injection cavity, so that when the air injection and / or liquid extraction are performed in the equipment, the gas and / or liquid between the air injection pipeline and the air extraction pipeline can be heat exchanged, thereby fully recycling the heat of the gas and / or liquid discharged from the garbage pile, achieving the energy-saving effect; and by distributing the air injection cavity and the air extraction cavity in the up-down direction and utilizing the principle that the warm gas rises and the cold gas falls in the same space, the cold gas in the air injection cavity continuously sinks and the hot gas in the air extraction cavity continuously rises during the heat exchange of the gas in the air injection cavity and the air extraction cavity, achieving the effect of efficient heat exchange between the air injection cavity and the air extraction cavity;

[0022] 5. By vertically sliding the baffle plate between the upper limit block of the extraction chamber and the lower limit block of the injection chamber, when the water level in the lower injection chamber is low, the baffle plate will move downward under its own weight and the gravity of the liquid in the extraction chamber, thus avoiding a large cavity between the injection chamber and the extraction chamber and ensuring the heat exchange effect between the injection chamber and the extraction chamber. When the water level in the lower injection chamber is high, the baffle plate will move upward under the action of buoyancy and water injection pressure, thereby ensuring the heat exchange effect while avoiding the volume of the injection chamber being too small and limiting the water injection volume.

[0023] 6. The spring inside the injection chamber is used to counteract the weight of the baffle plate, making it easier for the baffle plate to rise after the water level in the injection chamber rises, thus avoiding excessive injection pressure.

[0024] 7. The rollers are designed to reduce friction when the liquid separator slides vertically, making it easier to raise and lower. When there is liquid in the suction chamber, the liquid pressure is distributed to the chamfered surface on the inner side of the upper plate, causing the two upper plates to tend to move away from each other. This allows the rollers on the outer side of the upper plate to press further against the inner wall of the tube and the side wall of the vertical partition, thereby further improving the sealing effect of the liquid separator between the suction chamber and the injection chamber. Attached Figure Description

[0025] Figure 1 This is a structural block diagram of the air extraction section in an embodiment of this application;

[0026] Figure 2 This is a structural block diagram of the gas injection section in an embodiment of this application;

[0027] Figure 3 This is a structural block diagram of the liquid extraction section in an embodiment of this application;

[0028] Figure 4 This is a structural block diagram of the injection section in an embodiment of this application;

[0029] Figure 5 This is an external structural diagram of the heat exchange tube in an embodiment of this application;

[0030] Figure 6 This is an internal structural diagram of the heat exchange tube in an embodiment of this application;

[0031] Figure 7 This is a side view of the liquid separator in an embodiment of this application;

[0032] Explanation of reference numerals in the attached drawings: 1. Heat exchange tube; 11. Tube body; 12. Baffle plate; 2. Gas extraction chamber; 3. Gas injection chamber; 4. Liquid extraction chamber; 41. Upper limit block; 5. Liquid injection chamber; 51. Lower limit; 52. Spring; 53. Guide rod; 6. Liquid septum; 61. Upper plate; 62. Lower plate; 63. Roller. Detailed Implementation

[0033] The application will be further described below with reference to the accompanying drawings and embodiments. Figures 1-7 The application will be further described below with reference to the accompanying drawings and embodiments.

[0034] The embodiment discloses an in-situ stabilization device for stockpiled garbage, and the garbage stabilization device is used in a place where garbage is generated, provides a stable high-temperature, humid and oxygen-rich environment for the garbage, processes and converts the garbage, and converts the garbage into renewable resources, usable energy and other useful substances. The in-situ stabilization device for stockpiled garbage is specifically described below.

[0035] Referring to Figures 1 to 4 The in-situ stabilization device for stockpiled garbage comprises a garbage pile, a gas extraction and injection system and a liquid extraction and injection system. The garbage pile refers to a pile for storing garbage. In the embodiment, the garbage pile is stored in a sealed space underground, and a position for installing a pipeline is reserved, so that the garbage pile is isolated from the external environment and connected with the gas extraction and injection system and the liquid extraction and injection system. The gas extraction and injection system comprises an air extraction section and an air injection section. The air extraction section comprises an air extraction pipeline, an air extraction fan and an odor treatment device. The garbage pile, the air extraction fan and the odor treatment device are connected in sequence through the air extraction pipeline. The air extraction fan is used to extract the odor generated in the garbage pile to the odor treatment device for treatment. The air injection section comprises an air injection pipeline and an air injection fan. The garbage pile and the air injection fan are connected through the air injection pipeline. The air injection fan is used to supplement external air into the garbage pile. The liquid extraction and injection system comprises a liquid extraction section and a liquid injection section. The liquid extraction section comprises a liquid extraction pipeline, a liquid extraction pump and a leachate collection tank. The garbage pile, the liquid extraction pump and the leachate collection tank are connected in sequence through the liquid extraction pipeline. The liquid extraction pump is used to extract the leachate generated in the garbage pile to the leachate collection tank. The liquid injection section comprises a liquid injection pipeline, a liquid injection pump and a water tank. The garbage pile, the liquid injection pump and the water tank are connected in sequence through the liquid injection pipeline. The liquid injection pump is used to supplement water in the water tank into the garbage pile. Through the air injection fan to supplement air into the garbage pile and the liquid injection pump to supplement water into the garbage pile, on the one hand, the odor generated in the garbage degradation process is extracted by the air extraction fan to the odor treatment device for treatment before being discharged, and the leachate generated in the garbage degradation process is extracted by the liquid extraction pump to the leachate collection tank before being collected and externally delivered for treatment, so as to reduce the pollution of the odor and the leachate generated in the garbage pile to the environment, and on the other hand, the sealed space where the garbage pile is located can be stabilized in an oxygen-rich environment with an oxygen content of 12%-20% and a humid environment with a humidity of 50%-100%, so that the microorganisms, water and oxygen in the garbage are always in a relatively suitable state, thereby accelerating the garbage degradation. Therefore, the in-situ stabilization device for stockpiled garbage has the effects of reducing the pollution of the odor and the leachate generated in the garbage pile to the environment and improving the garbage degradation speed.

[0036] In order to make the odor treatment device can effectively treat odor, the odor treatment device is provided with a dehydration mechanism, a desulfurization mechanism and a UV photolysis mechanism, the dehydration mechanism, the desulfurization mechanism and the UV photolysis mechanism of the odor treatment device in the stock garbage in-situ stabilization equipment are all adopted in the prior art, and thus will not be described in detail.

[0037] With reference to Figure 2 Further, the gas injection section further comprises a heat exchanger connected between the gas injection fan and the garbage pile through a gas injection pipeline, the heat exchanger is used for stabilizing the closed space of the garbage pile at a high temperature environment of 55-75 DEG C, so as to further accelerate the garbage degradation. Figure 1 The gas extraction section further comprises a steam-water separator connected between the gas extraction fan and the garbage pile through a gas extraction pipeline, the steam-water separator is used for separating the moisture in the extracted odor in the garbage pile, so as to facilitate further treatment of the odor.

[0038] With reference to Figure 1 and Figure 2 The gas extraction pipeline and the garbage pile and the gas injection pipeline and the garbage pile are both provided with a vertical shaft, it should be noted that the vertical shaft refers to a shaft structure excavated or built along the vertical direction, which can be used for ventilation.

[0039] With reference to Figures 1 to 4 Since the odor in the closed space of the garbage pile is easy to gather at the top and the leachate is easy to gather at the bottom, the vertical shaft is connected at the top position of the closed space of the garbage pile, and the liquid extraction pipeline and the liquid injection pipeline of the liquid extraction and injection system are connected at the bottom position of the closed space of the garbage pile, so as to achieve the effect of facilitating the extraction and injection of gas and liquid.

[0040] With reference to Figures 1 to 4 The stock garbage in-situ stabilization equipment further comprises a heat exchange pipe 1, specifically, with reference to Figures 5 to 7The heat exchange pipe 1 comprises a pipe body 11 and a partition plate 12, the pipe body 11 is in the shape of a rectangular tube, the partition plate 12 is in the shape of a cross and is arranged in the pipe body 11, the partition plate 12 divides the pipe body 11 into a gas extraction cavity 2, a gas injection cavity 3, a liquid extraction cavity 4 and a liquid injection cavity 5, the gas injection cavity 3 and the gas extraction cavity 2 are arranged in an up-down distribution, the liquid extraction cavity 4 and the liquid injection cavity 5 are arranged in an up-down distribution, and the gas extraction pipeline, the gas injection pipeline, the liquid extraction pipeline and the liquid injection pipeline are respectively gathered in the heat exchange pipe 1 through the gas extraction cavity 2, the gas injection cavity 3, the liquid extraction cavity 4 and the liquid injection cavity 5. After the gas extraction pipeline, the gas injection pipeline, the liquid extraction pipeline and the liquid injection pipeline are respectively gathered in the heat exchange pipe 1 through the gas extraction cavity 2, the gas injection cavity 3, the liquid extraction cavity 4 and the liquid injection cavity 5, the gas and / or liquid entering and exiting the garbage pile can be heat exchanged when the gas and / or liquid is extracted and / or injected, so that the heat of the gas and / or liquid discharged from the garbage pile can be fully recycled, and the energy-saving effect is achieved. Furthermore, by arranging the gas injection cavity 3 and the gas extraction cavity 2 in an up-down distribution and using the principle that warm gas rises and cold gas falls in the same space, the cold gas in the gas injection cavity 3 continuously sinks and the hot gas in the gas extraction cavity 2 continuously rises during the heat exchange of the gas in the gas injection cavity 3 and the gas extraction cavity 2, so that the efficient heat exchange between the gas injection cavity 3 and the gas extraction cavity 2 is achieved.

[0041] The partition plate 12 comprises a vertical partition plate 12 and a horizontal partition plate 12 connected perpendicularly to each other, the horizontal partition plate 12 is a liquid separation plate 6 arranged between the liquid extraction cavities 4 and the liquid injection cavities 5, the inner wall of the liquid extraction cavity 4 is provided with an upper limiting block 41, the inside of the liquid injection cavity 5 is provided with a lower limiting block 51, and the liquid separation plate 6 is arranged in a vertical sliding manner between the upper limiting block 41 of the liquid extraction cavity 4 and the lower limiting block 51 of the liquid injection cavity 5. By arranging the liquid separation plate 6 in a vertical sliding manner between the upper limiting block 41 of the liquid extraction cavity 4 and the lower limiting block 51 of the liquid injection cavity 5, when the water level in the lower liquid injection cavity 5 is low, the liquid separation plate 6 moves downward under the gravity and the gravity of the liquid in the liquid extraction cavity 4, so that the large cavity between the liquid injection cavity 5 and the liquid extraction cavity 4 is avoided, and the heat exchange effect between the liquid injection cavity 5 and the liquid extraction cavity 4 is ensured, when the water level in the lower liquid injection cavity 5 is high, the liquid separation plate 6 moves upward under the buoyancy and the water injection pressure, so that the heat exchange effect is ensured and the water injection amount is not limited by the small volume of the liquid injection cavity 5.

[0042] The liquid injection cavity 5 is provided with a vertically deformed spring 52, the upper end of the spring 52 is connected to the lower end of the liquid separation plate 6, and the spring 52 in the liquid injection cavity 5 is used to offset the gravity of the liquid separation plate 6, so that the liquid separation plate 6 is easily lifted after the water level in the liquid injection cavity 5 rises, and the water injection pressure is not too large. In this embodiment, the connection between the upper end of the spring 52 and the lower end of the liquid separation plate 6 is in abutment. It should be noted that the lower end of the spring 52 is lower than the height of the lower limiting block 51, so that the spring 52 is not damaged during the downward movement of the liquid separation plate 6.

[0043] Rolling shafts 63 are arranged on both sides of the liquid isolation plate 6, and the rolling shafts 63 on both sides are respectively attached to the inner wall of the pipe body 11 and the side wall of the vertical partition plate 12. The rolling shafts 63 are arranged to reduce the friction when the liquid isolation plate 6 vertically slides, so that the liquid isolation plate 6 is easily lifted. Further, the liquid isolation plate 6 comprises an upper plate 61 and a lower plate 62, and a guide rod 53 is vertically arranged in the liquid injection cavity 5, and the lower plate 62 is slidably connected to the guide rod 53 in the vertical direction. The number of the upper plates 61 is two, and the two upper plates 61 are both slidably connected to the lower plate 62 in the horizontal direction. In this embodiment, the upper plate 61 and the lower plate 62 are slidably connected through dovetail grooves and dovetail blocks, and the two upper plates 61 are separated or moved towards each other through sliding. The rolling shafts 63 on both sides of the liquid isolation plate 6 are respectively arranged outside the two upper plates 61, and when the two upper plates 61 move towards each other to the closest distance, the rolling shafts 63 on both sides are respectively attached to the inner wall of the pipe body 11 and the side wall of the vertical partition plate 12, so as to avoid the gap between the liquid isolation plate 6 and the pipe body 11 or the vertical partition plate 12 after the two upper plates 61 move towards each other. Further, the top surface and the inner side surface of the upper plate 61 are arranged as a chamfered surface. When there is liquid in the liquid extraction cavity 4, the liquid pressure will be dispersed to the chamfered surface on the inner side of the upper plate 61, so that the two upper plates 61 have a tendency to move away from each other, so that the rolling shafts 63 outside the upper plates 61 are further pressed against the inner wall of the pipe body 11 and the side wall of the vertical partition plate 12, to further improve the sealing effect of the liquid isolation plate 6 between the liquid extraction cavity 4 and the liquid injection cavity 5.

[0044] It should be noted that after the rolling shafts 63 are arranged outside the upper plates 61, the gap between the rolling shafts 63 and the upper plates 61 should be as small as possible to reduce the mutual leakage between the liquid extraction cavity 4 and the liquid injection cavity 5. Moreover, the part of the upper plate 61 without the rolling shaft 63 is attached to the pipe body 11 or the vertical partition plate 12 through the outer side wall of the upper plate 61.

[0045] The heat exchange pipe 1 is a stainless steel pipe. The heat exchange pipe 1 made of stainless steel pipe has good heat conductivity, can resist high pressure and high corrosive medium, and is suitable for conveying the odor and leachate of the garbage pile. In addition, the heat exchange pipe 1 is sleeved with a polyurethane heat preservation sleeve, which has low thermal conductivity, good flexibility, is not easy to deform, and is resistant to impact. It is suitable for pipeline heat preservation in a low temperature range, and is therefore suitable for conveying the odor and leachate of the garbage pile. Through the heat preservation of the polyurethane heat preservation sleeve, the heat dissipation of the heat exchange pipe 1 is reduced, thereby improving the heat exchange effect.

[0046] The above are preferred embodiments of the present application, and are not intended to limit the protection scope of the present application. Therefore, any equivalent changes made on the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. An apparatus for in-situ stabilisation of stockpiled waste, characterised in that: The application relates to a waste stack, an air extraction and injection system and a liquid extraction and injection system, wherein the air extraction and injection system comprises an air extraction section and an air injection section; the air extraction section comprises an air extraction pipeline, an air extraction fan and an odor treatment device; the waste stack, the air extraction fan and the odor treatment device are sequentially connected through the air extraction pipeline; the air injection section comprises an air injection pipeline and an air injection fan; the waste stack and the air injection fan are connected through the air injection pipeline; the liquid extraction and injection system comprises a liquid extraction section and a liquid injection section; the liquid extraction section comprises a liquid extraction pipeline, a liquid extraction pump and a percolate collection tank; the waste stack, the liquid extraction pump and the percolate collection tank are sequentially connected through the liquid extraction pipeline; the liquid injection section comprises a liquid injection pipeline, a liquid injection pump and a water tank; the waste stack, the liquid injection pump and the water tank are sequentially connected through the liquid injection pipeline. Vertical shafts are arranged between the air extraction pipeline and the waste stack and between the air injection pipeline and the waste stack; the vertical shafts are provided with flow meters, pressure gauges and valves. The application further relates to a heat exchange pipe (1) which comprises a pipe body (11) and a partition plate (12) arranged in the pipe body (11); the partition plate (12) is in a cross shape so as to divide the pipe body (11) into an air extraction cavity (2), an air injection cavity (3), a liquid extraction cavity (4) and a liquid injection cavity (5); the air injection cavity (3) and the air extraction cavity (2) are arranged in an upper-lower mode; the liquid extraction cavity (4) and the liquid injection cavity (5) are arranged in an upper-lower mode; the air extraction pipeline, the air injection pipeline, the liquid extraction pipeline and the liquid injection pipeline are respectively collected in the heat exchange pipe (1) through the air extraction cavity (2), the air injection cavity (3), the liquid extraction cavity (4) and the liquid injection cavity (5).

2. An apparatus for in situ stabilisation of stockpiled waste according to claim 1, characterised in that: The air injection section further comprises a heat exchanger which is connected between the air injection fan and the waste stack through the air injection pipeline.

3. An apparatus for in situ stabilisation of stockpiled waste according to claim 1, characterised in that: The air extraction section further comprises a steam-water separator which is connected between the air extraction fan and the waste stack through the air extraction pipeline.

4. An apparatus for in situ stabilisation of stockpiled waste according to claim 1, characterised in that: The partition plate (12) comprises a vertical partition plate (12) and a horizontal partition plate (12) which are connected perpendicularly to each other; the horizontal partition plate (12) is a liquid partition plate (6) arranged between the liquid extraction cavities (4) and the liquid injection cavities (5); the inner wall of the liquid extraction cavity (4) is provided with an upper limiting block (41); the inner wall of the liquid injection cavity (5) is provided with a lower limiting block (51); the liquid partition plate (6) is vertically and slidingly arranged between the upper limiting block (41) of the liquid extraction cavity (4) and the lower limiting block (51) of the liquid injection cavity (5).

5. An apparatus for in situ stabilisation of stockpiled waste according to claim 4, characterised in that: The liquid injection cavity (5) is provided with a vertically deformed spring (52); the upper end of the spring (52) is connected with the lower end of the liquid partition plate (6).

6. An apparatus for in situ stabilisation of stockpiled waste according to claim 5, characterised in that: The two sides of the liquid partition plate (6) are provided with rollers (63) which are respectively attached to the inner wall of the pipe body (11) and the side wall of the vertical partition plate (12).

7. An apparatus for in situ stabilisation of stockpiled waste according to claim 6, characterised in that: The liquid isolation plate (6) comprises an upper plate (61) and a lower plate (62), a guide rod (53) is vertically arranged in the liquid injection cavity (5), the lower plate (62) is slidably connected with the guide rod (53) in the vertical direction, the number of the upper plates (61) is two, each of the two upper plates (61) is slidably connected with the lower plate (62) in the horizontal direction, the two upper plates (61) are apart from or move towards each other through sliding, the two rollers (63) on the two sides of the liquid isolation plate (6) are respectively arranged outside the two upper plates (61), when the two upper plates (61) move towards each other to the closest distance, the two rollers (63) on the two sides are respectively attached to the inner wall of the pipe body (11) and the side wall of the vertical partition plate (12), and the top surface and the inner side surface of the upper plate (61) are arranged as a chamfered surface.

8. An apparatus for in situ stabilisation of stockpiled waste according to claim 1, characterised in that: The heat exchange pipe (1) is sleeved with a polyurethane heat preservation sleeve.

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