A low-temperature waste heat power generation device

Abstract

The application provides a low-temperature waste heat power generation device, comprising a low-temperature waste heat power generator, a support seat connected with the low-temperature waste heat power generator and providing support for the low-temperature waste heat power generator, a protective cover arranged on the low-temperature waste heat power generator, a rolling assembly arranged on the support seat, and a lifting mechanism arranged on the support seat and connected with the rolling assembly, the lifting mechanism being used for driving the rolling assembly to ascend so that the support seat is supported on the ground, or driving the rolling assembly to descend to press the ground so that the support seat is supported on the ground by the rolling assembly and is displaced on the ground. The low-temperature waste heat power generation device provided by the application can be arranged according to local conditions, and can be moved at any time through the rolling assembly, so that the arrangement, movement and maintenance are facilitated.

Description

Technical Field

[0001] This application relates to the field of power generation, and in particular to waste heat power generation. Background Technology

[0002] With the continuous advancement of energy technology, energy supply methods are becoming increasingly rational. In addition to using gas turbines to drive generators to produce electricity, gas turbine distributed energy stations also recover the heated flue gas discharged from the gas turbines through waste heat boilers.

[0003] Low-temperature waste heat generators are now mature technologies, but they currently need to be installed in heat exchange stations, which requires a large space, and their installation, relocation, and maintenance are very inconvenient. Summary of the Invention

[0004] This application provides a low-temperature waste heat power generation device to solve the technical problems of low-temperature waste heat generators requiring the construction of supporting heat exchange stations and the inconvenience of low-temperature waste heat generator layout, relocation, and maintenance.

[0005] This application provides a low-temperature waste heat power generation device, including:

[0006] Low-temperature waste heat generator;

[0007] A support base, which is connected to and provides support for the cryogenic waste heat generator;

[0008] A protective cover is installed over the low-temperature waste heat generator;

[0009] A rolling component is disposed on the support base;

[0010] A lifting mechanism is provided on the support base. The lifting mechanism is also connected to the rolling assembly. The lifting mechanism is used to drive the rolling assembly to rise so that the support base is supported on the ground, or to drive the rolling assembly to fall and press against the ground so that the support base is supported on the ground by the rolling assembly and moves on the ground.

[0011] In some embodiments of this application, the scrolling component includes:

[0012] A roller, the rolling assembly being displaced on the ground via the roller;

[0013] A roller connector, one end of which is rotatably connected to the roller, and the other end of which is rotatably connected to the support base;

[0014] A first transmission component, one end of which is rotatably connected to the roller connector;

[0015] The support base is provided with a first vertical sliding groove, and the other end of the first transmission component is slidably connected to the first sliding groove.

[0016] The lifting mechanism includes a power end that can be vertically lifted and lowered, and the transmission component is provided with a second slide groove, in which the power end is slidably connected.

[0017] In some embodiments of this application, the rolling assembly includes two or more roller connectors, which are interconnected by a second transmission member, wherein one roller connector is connected to the first transmission member; one end of the second transmission member is rotatably connected to one roller connector, and the other end is rotatably connected to another roller connector.

[0018] In some embodiments of this application, the rolling component is further connected to a first locking block, and the protective cover is provided with a first locking groove that cooperates with the first locking block.

[0019] In some embodiments of this application, the support base is horizontally provided with a guide groove pointing towards the first card slot, and the first card block is slidably connected in the guide groove.

[0020] In some embodiments of this application, the protective cover is slidably connected to the support base, and at least one side of the protective cover in the sliding direction relative to the support base is provided with a second opening through which the low-temperature waste heat generator can pass.

[0021] In some embodiments of this application, the first locking block is connected to the roller connector via a third transmission member and a fourth transmission member; wherein, one end of the third transmission member and one end of the fourth transmission member are rotatably connected, and the other end of the fourth transmission member is rotatably connected to the first locking block; two limiting plates are horizontally arranged on the support base, and the third transmission member is limited between the two limiting plates, so that the third transmission member can only perform horizontal sliding movement; a fourth sliding groove is provided on the roller connector, and the other end of the third transmission member is slidably connected in the fourth sliding groove.

[0022] In some embodiments of this application, a baffle is provided on the support base at the second opening.

[0023] In some embodiments of this application, the protective cover is provided with a second slot, and the baffle is provided with a second locking block that can be engaged and disengaged relative to the second slot.

[0024] In some embodiments of this application, the baffle is provided with a channel whose cross-sectional shape is adapted to that of the second locking block, the second locking block is slidably connected in the channel, and the cross-sectional shape of the second locking block is not circular; a turntable is provided on the side of the baffle away from the protective cover, the turntable is connected to a worm gear perpendicular to the baffle, and the axis of the worm gear coincides with the rotation axis of the turntable; a turbine gear is provided inside the baffle that meshes with the worm gear, the turbine gear is fixedly connected to a screw gear parallel to the channel, and the axis of the screw gear coincides with the rotation axis of the turbine gear; the screw gear is screwed to the second locking block.

[0025] The technical solutions provided in this application have the following advantages compared with the prior art:

[0026] The low-temperature preheating power generation device provided in this application embodiment sets the low-temperature waste heat generator on a support base. The support base can be moved on the ground by a rolling component or can be directly and stably supported on the ground. At the same time, a protective cover is provided on the low-temperature waste heat generator to protect it. This allows the low-temperature waste heat generator to work without the need for a heat exchange station. It also occupies a small and fragmented area, which can be arranged according to local conditions. Furthermore, it can be moved at any time by the rolling component, which is convenient for arrangement, relocation, and maintenance. Attached Figure Description

[0027] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0028] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0029] Figure 1 A schematic diagram of the appearance of the low-temperature waste heat power generation device provided in the embodiments of this application;

[0030] Figure 2 A schematic diagram of the main structure of a low-temperature waste heat power generation device provided in an embodiment of this application;

[0031] Figure 3 for Figure 2 Enlarged schematic diagram of region A in the middle;

[0032] Figure 4 for Figure 2 Enlarged schematic diagram of region B in the middle;

[0033] Figure 5A top view of the rolling component provided in an embodiment of this application;

[0034] Figure 6 A right-side view of the cryogenic waste heat power generation device provided in an embodiment of this application;

[0035] Figure 7 This is a schematic diagram of the structure of the baffle provided in an embodiment of this application;

[0036] Figure 8 This is a schematic diagram of the structure of the sliding component provided in an embodiment of this application. Detailed Implementation

[0037] The present application will be described in detail below with reference to specific embodiments and examples, thereby making the advantages and various effects of the present application clearer. Those skilled in the art should understand that these specific embodiments and examples are for illustrative purposes only and are not intended to limit the present application.

[0038] Throughout this specification, unless otherwise specified, the terminology used herein should be understood as having the meaning commonly used in the art. Therefore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains. In the event of any conflict, this specification shall prevail.

[0039] Unless otherwise specified, all raw materials, reagents, instruments and equipment used in this application can be purchased from the market or prepared by existing methods.

[0040] Currently, low-temperature waste heat generators need to be installed in heat exchange stations, which requires a large space, and the installation, relocation, and maintenance of low-temperature waste heat generators are very inconvenient.

[0041] The technical solution provided in this application is to solve the above-mentioned technical problems, and the general idea is as follows:

[0042] Please refer to Figures 1-8 , Figures 1-8The reference numerals in the attached drawings are as follows: 1. Protective cover; 2. Support base; 3. Third slide rail; 4. Mounting bracket; 5. Roller; 6. First rotational central shaft; 7. Roller connector; 8. Second transmission component; 9. Third rotational central shaft; 10. Roller; 11. Fixing block; 12. Fourth slide rail; 13. Third slide rod; 14. Third transmission component; 15. Limiting plate; 16. Fourth transmission component; 17. First locking block; 18. Guide groove; 19. Lifting mechanism. Mechanism; 20. First slide groove; 21. First slide rod; 22. First transmission component; 23. Second slide groove; 24. Power end; 25. Motor; 26. Baffle; 27. Low-temperature waste heat generator; 28. Turntable; 29. ​​Worm; 30. Worm wheel; 31. Screw sleeve; 32. Screw; 33. Second locking block; 34. Second locking groove; 35. Third opening; 36. First locking groove; 37. Second rotation center shaft; 38. Second slide rod.

[0043] This application provides a low-temperature waste heat power generation device, including:

[0044] Low-temperature waste heat generator 27;

[0045] Support base 2, which is connected to the low-temperature waste heat generator 27 and provides support for the low-temperature waste heat generator 27;

[0046] Protective cover 1 is installed over the low-temperature waste heat generator 27;

[0047] A rolling component is disposed on the support base 2;

[0048] A lifting mechanism 19 is provided on the support base 2. The lifting mechanism 19 is also connected to the rolling assembly. The lifting mechanism 19 is used to drive the rolling assembly to rise so that the support base 2 is supported on the ground, or to drive the rolling assembly to fall and press against the ground so that the support base 2 is supported on the ground by the rolling assembly and moves on the ground.

[0049] Those skilled in the art will understand that the cryogenic waste heat generator 27 is a conventional device in the art.

[0050] In this application, the lifting mechanism 19 is a conventional power mechanism in the art, such as a motor 25, a hydraulic cylinder, or a pneumatic cylinder. Any power mechanism that can drive the rolling assembly to perform lifting motion can be the lifting mechanism 19 of this application.

[0051] In this application, the rolling assembly is a device having a rolling mechanism that can roll with the ground, and the rolling mechanism includes, but is not limited to, rollers and drums.

[0052] This application uses a lifting mechanism 19 to drive the rolling assembly to rise and fall. When the low-temperature waste heat generator 27 needs to work, the rolling assembly is driven to rise, so that the support base 2 directly contacts the ground and is stably supported on the ground, providing a good working environment for the low-temperature waste heat generator 27. When it is necessary to move the low-temperature waste heat generator 27 to a suitable position, the rolling assembly is driven to fall through the lifting mechanism 19, so that the support base 2 is supported on the ground by the rolling assembly, thereby allowing it to be moved on the ground.

[0053] This application sets the low-temperature waste heat generator 27 on the support base 2. The support base 2 can be moved on the ground by the rolling component or can be directly and stably supported on the ground. At the same time, a protective cover 1 is set on the low-temperature waste heat generator 27 to protect it. This allows the low-temperature waste heat generator 27 to work without the need to set up a heat exchange station. It also has a small and dispersed footprint, which can be arranged according to local conditions. At the same time, it can be moved at any time by the rolling component, which is convenient for arrangement, relocation and maintenance.

[0054] In some embodiments of this application, the scrolling component includes:

[0055] Roller 10, the rolling assembly is displaced on the ground via roller 10;

[0056] The roller 10 connector 7 has one end rotatably connected to the roller 10 and the other end rotatably connected to the support base 2.

[0057] The first transmission component 22 has one end rotatably connected to the connecting component 7 of the drum 10;

[0058] The support base 2 is provided with a first vertical sliding groove 20, and the other end of the first transmission member 22 is slidably connected to the first sliding groove 20.

[0059] The lifting mechanism 19 includes a power end 24 that can be vertically lifted and lowered, and the transmission component is provided with a second slide groove 23, in which the power end 24 is slidably connected.

[0060] For the working principle of scroll components, please refer to [link / reference]. Figure 2The roller 10 connector 7 and the support base 2 are rotatably connected via the first rotational central shaft 6, and the first connector and the roller 10 connector 7 are rotatably connected via the second rotational central shaft 37. When the power end 24 moves downward, it drives the roller 10 connector 7 to rotate around the first rotational central shaft 6. At this time, the second rotational central shaft 37, which is the location of one end of the first transmission member 22, also rotates along with the roller 10 connector 7, making a circular motion around the first rotational central shaft 6. Since the length of the first connector is constant, the other end of the first connector must be pulled and thus slide in the first slide groove 20. Simultaneously, the second slide groove 23 also slides relative to the power end 24. Furthermore, since the rotational movement of the roller 10 connector 7 is inevitably accompanied by the relative sliding movement between the first slide groove 20 and the other end of the first connector, as well as the relative sliding movement between the second slide groove 23 and the power end 24, the length of the first slide groove 20 and the second slide groove 23 actually limits the range of the above-mentioned sliding movement, and thus limits the range of rotational movement of the roller 10 connector 7.

[0061] In some embodiments of this application, the rolling assembly includes two or more roller 10 connectors 7, which are interconnected by a second transmission member. One roller 10 connector 7 is connected to the first transmission member 22. One end of the second transmission member is rotatably connected to one roller 10 connector 7, and the other end is rotatably connected to another roller 10 connector 7, so that the second transmission member can transmit the movement between the two or more roller 10 connectors 7.

[0062] Since both ends of the second connector are rotatably connected to different roller 10 connectors 7, when one roller 10 connector 7 moves, the second connector can transmit the movement to the other roller 10 connector 7.

[0063] In some embodiments of this application, the portable cryogenic waste heat device includes multiple rolling components.

[0064] In some embodiments of this application, one end of the roller 10 connector 7 is provided with the first rotation center shaft 6, and the two ends of the first rotation center shaft 6 are rotatably connected to the support base 2; the other end of the roller 10 connector 7 is connected to the roller 10 through a third rotation center shaft 9.

[0065] In some embodiments of this application, the first transmission member 22 is slidably connected to the first slide groove 20 via the first slide rod 21, wherein the other end of the first transmission member 22 is fixedly connected to the first slide rod 21, and the two sides of the support base 2 are each provided with a first slide groove 20, and the two ends of the first slide rod 21 are slidably connected to the first slide groove 20 on both sides of the support base 2.

[0066] In some embodiments of this application, the power end 24 is slidably connected to the second slide groove 23 via the second slide rod 38. The first transmission member 22 has a first opening, and the inner wall of the first transmission member 22 is provided with a second slide groove 23 at both ends of the first opening. The power end 24 is fixedly connected to the second slide rod 38, and the two ends of the second slide rod 38 are slidably connected to the two second slide grooves 23 on the first transmission member 22, respectively.

[0067] In some embodiments of this application, the protective cover 1 is slidably connected to the support base 2, and at least one side of the protective cover 1 in the sliding direction relative to the support base 2 is provided with a second opening through which the low-temperature waste heat generator 27 can pass.

[0068] This application slides the protective cover 1 onto the support base 2 and provides a second opening through which the low-temperature waste heat generator 27 can pass. When the protective cover 1 slides relative to the support base 2, the low-temperature waste heat generator 27 can pass through the second opening, thereby exposing it outside the protective cover 1, which makes it easier to maintain.

[0069] Those skilled in the art will understand that the setting of the second opening referred to in this application can mean either opening an opening on one side of the protective cover 1, or directly opening one side of the protective cover 1.

[0070] In some embodiments of this application, the protective cover 1 and the support base 2 are slidably connected by a third sliding groove 3 and a sliding assembly. The third sliding groove 3 is disposed on the support base 2, and the sliding assembly is disposed on the protective cover 1. The sliding assembly is slidably connected to the third sliding groove 3.

[0071] In some embodiments of this application, the sliding assembly includes a plurality of rollers 5 rotatably connected to the protective cover 1. The rollers 5 are disposed in the third slide groove 3 and can roll in the third slide groove 3, so that the third slide groove 3 slides relative to the protective cover 1.

[0072] In some embodiments of this application, the sliding assembly further includes a mounting bracket 4 on which the roller 5 is mounted.

[0073] In some embodiments of this application, at least one roller 5 is connected to a motor 25 for driving the roller 5 to rotate.

[0074] Those skilled in the art will understand that the motor 25 drives the roller 5 to rotate, which can cause the third slide 3 to slide relative to the protective cover 1.

[0075] In some embodiments of this application, the rolling assembly is further connected to a first locking block 17, and the protective cover 1 is provided with a first locking groove 36 that cooperates with the first locking block 17. When the lifting mechanism 19 drives the rolling assembly to rise or fall, the first locking block 17 moves in coordination with the rolling assembly. After the rolling assembly is in complete contact with the ground and can be displaced on the ground, the first locking block 17 is engaged in the first locking groove 36.

[0076] Those skilled in the art will understand that the first card block 17 can be inserted into the first card slot 36 to fix the rolling component and the protective cover 1 to each other, making the connection more stable.

[0077] In some embodiments of this application, the first card slot 36 is disposed on the mounting bracket 4.

[0078] In some embodiments of this application, the support base 2 is provided with a horizontal guide groove 18 pointing to the first card slot 36, and the first card block 17 is slidably connected in the guide groove 18.

[0079] In this application, the first locking block 17 moves along the guide groove 18, moves closer to the first locking groove 36 until it is locked into the first locking groove 36 when the rolling component descends, and moves away from the first locking groove 36 until it is disengaged from the first locking groove 36 when the rolling component rises. This ensures that when the low-temperature waste heat power generation device needs to be displaced by the rolling component, the rolling component and the protective cover 1 are firmly locked together; when the low-temperature waste heat power generation device needs to work, the first locking block 17 can disengage from the first locking groove 36 as the rolling component rises, thus not hindering the rising of the rolling component.

[0080] In some embodiments of this application, the first locking block 17 is connected to the roller 10 connector 7 via a third transmission member 14 and a fourth transmission member 16; wherein, one end of the third transmission member 14 and one end of the fourth transmission member 16 are rotatably connected, and the other end of the fourth transmission member 16 is rotatably connected to the first locking block 17; two limiting plates 15 are horizontally arranged on the support base 2, and the third transmission member 14 is limited between the two limiting plates 15, so that the third transmission member 14 can only perform horizontal sliding movement; a fourth sliding groove 12 is provided on the roller 10 connector 7, and the other end of the third transmission member 14 is slidably connected in the fourth sliding groove 12.

[0081] Since the third transmission component 14 is connected to the roller 10 connector 7 through the fourth slide groove 12, the roller 10 connector 7 can drive the third transmission component 14 to move through the fourth slide groove 12 when it moves. Due to the presence of the limiting plate 15, the third transmission component 14 can only move horizontally. The two ends of the fourth transmission component 16 are rotatably connected to the third transmission component 14 and the first locking block 17 respectively, so that the fourth transmission component 16 can drive the first locking block 17 to move while not restricting the movement of the first locking block 17 to a single direction, so that the first locking block 17 can move along the guide groove 18.

[0082] In some embodiments of this application, a fourth slide groove 12 is formed on a fixed block 11, the fixed block 11 having a groove-shaped through hole, the through hole being the fourth slide groove 12, the fixed block 11 being fixedly connected to the roller 10 connector 7; the other end of the third transmission member 14 is fixedly provided with a third slide rod 13, the third slide rod 13 being disposed through the fourth slide groove 12, and the third transmission member 14 being slidably connected to the fourth slide groove 12 through the third slide rod 13.

[0083] In some embodiments of this application, a baffle 26 is provided on the support 2 at the second opening.

[0084] Those skilled in the art will understand that the baffle 26 is mounted on the support 2 and thus remains relatively stationary with respect to the support 2. When the support 2 slides relative to the protective cover 1, the baffle 26 also moves relative to the protective cover 1, moving away from or towards the second opening. When the low-temperature waste heat generator 27 needs to operate, the baffle 26 is moved to block the second opening, preventing dust, rainwater, and other harmful substances from entering the protective cover 1 and affecting the low-temperature waste heat generator 27. When the low-temperature waste heat generator 27 needs maintenance, the baffle 26 can be removed from the protective cover 1 along with the support 2, moving away from the second opening, allowing the low-temperature waste heat generator 27 to be removed from the protective cover 1.

[0085] In some embodiments of this application, the baffle 26 is provided with a third opening 35.

[0086] Those skilled in the art will understand that the cryogenic waste heat generator 27 needs to exchange energy and materials with the outside world, and the third opening 35 is used to allow pipes and cables to pass through, thereby connecting the cryogenic waste heat generator 27 to the outside world. Those skilled in the art will also understand that when the support base 2 slides relative to the protective cover 1, the baffle 26 remains relatively stationary with respect to the support base 2 and the cryogenic waste heat generator 27, thus not affecting the connection of pipes and cables. Therefore, it is more appropriate to place the opening for wiring and pipe routing on the baffle 26 than on the protective cover 1.

[0087] In some embodiments of this application, the protective cover 1 is provided with a second slot 34, and the baffle 26 is provided with a second locking block 33 that can be engaged and disengaged relative to the second slot 34.

[0088] Those skilled in the art will understand that when the low-temperature waste heat generator 27 is working, the second locking block 33 can be engaged with the second locking slot 34, thereby making the baffle 26 and the protective cover 1 more securely engaged and maintaining relative stillness. The implementation of the locking and unlocking function of the second locking block 33 is a conventional technical means in the art, such as the door locks and latches on common doors.

[0089] In some embodiments of this application, the baffle 26 is provided with a channel whose cross-sectional shape is adapted to the cross-sectional shape of the second locking block 33, the second locking block 33 is slidably connected in the channel, and the cross-sectional shape of the second locking block 33 is not circular; a turntable 28 is provided on the side of the baffle 26 away from the protective cover 1, the turntable 28 is connected to a worm gear 29 perpendicular to the baffle 26, and the axis of the worm gear 29 coincides with the rotation axis of the turntable 28; a turbine 30 is provided inside the baffle 26 that meshes with the worm gear 29, the turbine 30 is fixedly connected to a screw 32 parallel to the channel, and the axis of the screw 32 coincides with the rotation axis of the turbine 30; the screw 32 is screwed to the second locking block 33.

[0090] Those skilled in the art will understand that the operator can rotate the turntable 28 on the baffle 26, causing the worm gear 29 to rotate, which in turn causes the turbine 30 to rotate, which in turn causes the screw 32 to rotate. The screw 32 is then screwed to the second locking block 33. Since the cross-sectional shape of the second locking block 33 is not circular, it cannot rotate within the channel. Therefore, when the screw 32 and the second locking block 33 move relative to each other along the thread, the second locking block 33 moves away from or closer to the second locking groove 34 relative to the baffle 26 because the screw 32 only rotates relative to the baffle 26. In other words, by rotating the turntable 28, the second locking block 33 can be inserted into or removed from the second locking groove 34.

[0091] In some embodiments of this application, a screw sleeve 31 is fixedly connected to the second locking block 33, and the second locking block 33 and the screw 32 are screwed together by the screw sleeve 31.

[0092] In this application, unless otherwise stated, directional terms such as "upper" and "lower" specifically refer to the drawing directions in the accompanying drawings. Furthermore, in the description of this application, the terms "comprising," "including," etc., mean "including but not limited to." Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. In this document, "and / or" describes the relationship between related objects, indicating that three relationships can exist; for example, A and / or B can represent: A alone, A and B simultaneously, or B alone. For associations involving three or more related objects described using "and / or", it indicates that any one of the three related objects can exist alone, or at least two of them can exist simultaneously. For example, for A, and / or B, and / or C, it can mean that any one of A, B, and C exists alone, or any two of them exist simultaneously, or all three of them exist simultaneously. In this document, "at least one" means one or more, and "more than one" means two or more. "At least one", "at least one of the following", or similar expressions refer to any combination of these items, including any combination of single or multiple items. For example, "at least one of a, b, or c", or "at least one of a, b, and c", can both mean: a, b, c, ab (i.e., a and b), ac, bc, or abc, where a, b, and c can each be single or multiple.

[0093] The above description is merely a specific embodiment of this application, enabling those skilled in the art to understand or implement this application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of this application. Therefore, this application is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A low temperature waste heat power generation device, characterized by comprising: The low-temperature waste heat power generation device comprises: a low-temperature waste heat power generator; a support base connected with the low-temperature waste heat power generator and providing support for the low-temperature waste heat power generator; a protective cover arranged on the low-temperature waste heat power generator and provided with a second clamping groove; a rolling assembly arranged on the support base; a lifting mechanism arranged on the support base and connected with the rolling assembly, the lifting mechanism being used to drive the rolling assembly to ascend so that the support base is supported on the ground, or to drive the rolling assembly to descend to press against the ground so that the support base is supported on the ground and displaced on the ground by the rolling assembly; the rolling assembly comprises: a roller, the rolling assembly being displaced on the ground by the roller; a roller connecting piece, one end of the roller connecting piece being rotatably connected with the roller and the other end being rotatably connected with the support base; a first transmission piece, one end of the first transmission piece being rotatably connected with the roller connecting piece; the support base is provided with a first sliding groove in the vertical direction, and the other end of the first transmission piece is slidably connected with the first sliding groove; the lifting mechanism comprises a power end vertically liftable, the transmission piece is provided with a second sliding groove, and the power end is slidably connected in the second sliding groove; the rolling assembly comprises two or more roller connecting pieces, the roller connecting pieces are connected with each other by a second transmission piece, and one of the roller connecting pieces is connected with the first transmission piece; one end of the second transmission piece is rotatably connected with one of the roller connecting pieces, and the other end is rotatably connected with another roller connecting piece.

2. The cryogenic waste heat power plant of claim 1, wherein the rolling assembly is further connected with a first clamping block, and the protective cover is provided with a first clamping groove matched with the first clamping block.

3. The cryogenic waste heat power plant of claim 1, wherein, the support base is horizontally provided with a guide groove pointing to the first clamping groove, and the first clamping block is slidably connected in the guide groove.

4. The cryogenic waste heat power plant of claim 3, wherein, the protective cover is slidably connected with the support base, and at least one side of the protective cover opposite to the sliding direction of the protective cover relative to the support base is provided with a second opening through which the low-temperature waste heat power generator passes.

5. The cryogenic waste heat power plant of claim 4, wherein, the first clamping block is connected to the roller connecting piece by a third transmission piece and a fourth transmission piece; one end of the third transmission piece and one end of the fourth transmission piece are rotatably connected, and the other end of the fourth transmission piece is rotatably connected with the first clamping block; the support base is horizontally provided with two limiting plates, the third transmission piece is limited between the two limiting plates, so that the third transmission piece can only make horizontal sliding movement; the roller connecting piece is provided with a fourth sliding groove, and the other end of the third transmission piece is slidably connected in the fourth sliding groove.

6. The cryogenic waste heat power plant of claim 4, wherein, the support base is provided with a baffle at the second opening.

7. The cryogenic waste heat power plant of claim 5, wherein, the baffle is provided with a second clamping block relative to the second clamping groove, the second clamping block being capable of making clamping-in and clamping-out movement relative to the second clamping groove.

8. The cryogenic waste heat power plant of claim 7, wherein, The baffle is internally provided with a channel with a cross-sectional shape adapted to the cross-sectional shape of the second clamping block, the second clamping block is slidingly connected in the channel, and the cross-sectional shape of the second clamping block is not circular; one side of the baffle away from the protective cover is provided with a rotating disc, the rotating disc is connected with a worm perpendicular to the baffle, and the shaft of the worm coincides with the rotating shaft of the rotating disc; the inside of the baffle is provided with a turbine engaged with the worm, the turbine is fixedly connected with a screw rod parallel to the channel, and the shaft of the screw rod coincides with the rotating shaft of the turbine; the screw rod is screwed with the second clamping block.

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