Mobile liquefied gas recovery equipment with purification function

Abstract

The application discloses a mobile liquefied gas recovery equipment with a purification function and belongs to the technical field of liquefied gas recovery. The bearing and the sliding block are pulled to move in the process of screw rotation, the sliding block drives two push plates to pull the filter purification box, the filter purification box is far away from the recovery tank, the sleeve and the discharge pipe base are driven to move right in the process of movement of the filter purification box, the conical seat is supported by the spring force as the discharge pipe base is gradually far away from the recovery tank, the limiting telescopic rod drives the conical seat to gradually approach the conical hole in the input pipe, until the conical seat is tightly attached to the conical seat, the purpose of sealing the recovery tank is achieved, the filter purification box is in a separated state with the recovery tank at the moment, the filter purification box can be taken down for replacement or maintenance, the liquefied gas in the recovery tank does not need to be emptied to take out the filter purification box, the operation is convenient, the normal storage work of the recovery tank is not affected, and the liquefied gas recovery equipment is widely used.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of liquefied gas recovery, and particularly relates to a mobile liquefied gas recovery equipment with a purification function. BACKGROUND

[0002] Liquefied petroleum gas is a colorless volatile liquid obtained by pressurizing and cooling natural gas or petroleum in a refinery, and it is extremely flammable and can explode when it meets an open flame when its content in the air reaches a certain concentration range.

[0003] At present, when liquefied gas is recovered, a gas compression device is used to pressurize and liquefy the liquefied gas, and a high-pressure tank is used to store the liquefied gas. The high-pressure tank is large in size and is usually installed on a mobile base for transportation. The existing base has poor protection for the high-pressure tank, and when subjected to jolting, the high-pressure tank will produce strong vibration, affecting the safety in use. At the same time, when the liquefied gas is recovered, the liquefied gas needs to be filtered and purified, but the filtering and purifying mechanism is usually designed in an integral type with the high-pressure tank, and when the filtering and purifying mechanism is replaced or maintained, the liquefied gas in the high-pressure tank needs to be emptied, which is extremely inconvenient to operate, and the versatility of the liquefied gas recovery equipment is narrow. SUMMARY

[0004] In order to overcome the above defects, the application provides a mobile liquefied gas recovery equipment with a purification function, which solves the problems that the high-pressure tank is large in size and is usually installed on a mobile base for transportation, the existing base has poor protection for the high-pressure tank, and when subjected to jolting, the high-pressure tank will produce strong vibration, affecting the safety in use; at the same time, when the liquefied gas is recovered, the liquefied gas needs to be filtered and purified, but the filtering and purifying mechanism is usually designed in an integral type with the high-pressure tank, and when the filtering and purifying mechanism is replaced or maintained, the liquefied gas in the high-pressure tank needs to be emptied, which is extremely inconvenient to operate.

[0005] To achieve the above purpose, the application provides the following technical scheme: a mobile liquefied gas recovery equipment with a purification function, comprising a base, a supporting table is arranged on the base, two placing grooves are formed in the supporting table, a recovery tank is arranged in each placing groove, a filtering and purifying box is connected to one side of the recovery tank, the filtering and purifying box is located in the placing groove, a pressing plate is connected to the top of each recovery tank, an adjusting assembly is connected to the bottom of the pressing plate, a groove is formed in the base, the adjusting assembly is arranged in the groove, two sliding holes are formed in the top of the groove, the adjusting assembly is slidably connected in the two sliding holes, a pushing and pressing assembly is arranged outside the filtering and purifying box, a sliding channel is formed in the base, the sliding channel is in communication with the two placing grooves, and the pushing and pressing assembly is slidably connected in the sliding channel.

[0006] The recovery tank is provided with an input pipe near one side of the filter purification box, a sleeve is sleeved on the input pipe, a discharge pipe base is connected to one side of the sleeve, the discharge pipe base is connected to the filter purification box, a plurality of discharge holes are formed in the position of the discharge pipe base embedded in the input pipe, a sealing assembly is arranged in the input pipe, and one end of the sealing assembly is overlapped with one end of the discharge pipe base.

[0007] As a further scheme of the present application, the bottom of the recovery tank is provided with four discharge valve pipes penetrating through the placing groove and the base, and the filter purification box is connected with an injection pipe away from the recovery tank.

[0008] As a further scheme of the present application, the support table is slidingly connected in the base, and elastic telescopic rods are arranged at the four corners of the bottom of the support table and fixed to the bottom of the base.

[0009] As a further scheme of the present application, universal wheels are arranged at the four corners of the bottom of the base, a push handle is fixed to one side of the base, and the placing groove is designed in an arc shape.

[0010] As a further scheme of the present application, the adjusting assembly comprises a bidirectional screw rod, a shaft sleeve is connected to the middle part of the bidirectional screw rod, the shaft sleeve is arranged in the groove, two nuts are externally threadedly connected to the bidirectional screw rod, a connecting rod is hingedly connected to the top of the nuts through a pin shaft, the top end of the connecting rod is hingedly connected to the bottom of the pressing plate through a pin shaft, and one end of the bidirectional screw rod penetrates through the support table and is connected with a handle.

[0011] As a further scheme of the present application, the pushing assembly comprises two push plates, the push plates are designed in an arc shape, the same sliding block is connected to one side of the two push plates close to each other, the sliding block is slidingly connected in the slide, a bearing is clamped to one side of the sliding block, a screw rod is sleeved in the bearing, the other end of the screw rod penetrates through the support table and is connected with a handle, and the screw rod is connected to the support table through a nut.

[0012] As a further scheme of the present application, the sealing assembly comprises a conical seat, the conical seat is overlapped on the discharge pipe base on one side, a limiting telescopic rod is fixedly connected to the other side of the conical seat, the other end of the limiting telescopic rod is connected with a fixing frame, and the fixing frame is arranged on the inner wall of the input pipe.

[0013] As a further scheme of the present application, a spring is sleeved on the limiting telescopic rod, one end of the spring is fixed to the conical seat, the other end of the spring is fixed to one side of the fixing frame, and a conical hole is formed in the position of the conical seat on the inner wall of the input pipe.

[0014] Compared with the prior art, the present application has the beneficial effects that: 1, in the present application, the rotation of the rotating handle drives the screw rod to rotate, and the screw rod can pull the bearing and the sliding block to move during the rotation, so that the sliding block drives the two push plates to pull the filter purification tank away from the recovery tank, and in the process of moving the filter purification tank, the sleeve and the discharge pipe base move to the right, and as the discharge pipe base gradually moves away from the recovery tank, the spring supports the conical seat through the elastic force, so that the limiting telescopic rod drives the conical seat to gradually approach the conical hole in the input pipe, until the conical seat is tightly fitted with the conical seat, achieving the purpose of sealing the recovery tank, at this time, the filter purification tank is in a separated state from the recovery tank, so that the filter purification tank can be removed for replacement or maintenance without emptying the liquefied gas in the recovery tank and taking out the filter purification tank, which is convenient to operate, and when the filter purification tank is connected with the recovery tank, the filter purification tank is clamped on the push plate, and the rotating handle is reversely rotated, so that the screw rod drives the push plate to move to the left through the sliding block, and the push plate drives the filter purification tank, the discharge pipe base and the sleeve to move to the left, so that the discharge pipe base extrudes the conical seat, and at the same time that the conical seat is separated from the conical hole, the discharge hole on the discharge pipe base is communicated with the input pipe, so that the liquefied gas in the filter purification tank can be normally introduced into the recovery tank, and the filter purification tank is assembled by clamping, which greatly improves the operation convenience and does not affect the normal storage work of the recovery tank, so that the versatility of the liquefied gas recovery equipment is wide.

[0015] 2, in the present application, the rotation of the rotating handle drives the bidirectional screw rod to rotate, so that the two nuts outside the bidirectional screw rod move away from each other or move close to each other, and in the process of moving the nuts, the connecting rods are deflected at an angle, so that the two connecting rods drive the pressing plate to move up and down, so that the position of the pressing plate can be adjusted to position and install the recovery tank of different specifications, improve the use safety of the recovery tank, and the operation is convenient, and since the inner wall of the pressing plate is arc-shaped, it can completely fit the recovery tank, further improving the positioning stability of the recovery tank.

[0016] 3, in the present application, the push hand is arranged to push the base, so that the universal wheels on the base can roll on the ground, so that the recovery equipment can be easily transferred, and since the bottom of the recovery tank is provided with four discharge valve pipes which penetrate the placement groove and the base, the discharge valve pipes can be directly connected by using the container when sampling or discharging liquefied gas, and the discharge valve pipes are located outside the base, so that the operation convenience is improved, and when the recovery equipment is jolted, the supporting table slides in the base and is reversely supported by the elastic telescopic rod, so that the base can drive the recovery tank to shake slightly, and the gravity of the base can be buffered at the same time, which plays a buffering protection role for the recovery tank and prevents the recovery tank from being damaged due to external force collision. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic view of the present application.

[0018] Figure 2 It is a structural schematic diagram of the profile of the application.

[0019] Figure 3 It is a structural schematic diagram of the adjusting assembly of the application.

[0020] Figure 4 It is a structural schematic diagram of the pushing assembly of the application.

[0021] Figure 5 It is a structural schematic diagram of the separation of the filter purification tank and the recovery tank of the application.

[0022] Figure 6 It is a structural schematic diagram of the profile of the input pipe and the sleeve of the application.

[0023] In the figure: 1, base; 2, support table; 3, placing groove; 4, recovery tank; 5, filter purification tank; 6, pressing plate; 7, adjusting assembly; 701, bidirectional screw rod; 702, shaft sleeve; 703, nut; 704, connecting rod; 705, handle; 8, groove; 9, sliding hole; 10, pushing assembly; 101, pushing plate; 102, sliding block; 103, bearing; 104, screw rod; 105, handle; 11, slide; 12, input pipe; 13, sleeve; 14, discharge pipe base; 15, discharge hole; 16, sealing assembly; 161, conical seat; 162, limiting telescopic rod; 163, spring; 164, fixing frame; 17, conical hole; 18, discharge valve pipe; 19, elastic telescopic rod; 20, universal wheel; 21, push handle. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0025] Please refer to Figures 1-6 , the application provides a mobile liquefied gas recovery equipment with a purification function.

[0026] Embodiment one: according to Figure 1 , Figure 2 and Figures 4-6As shown, a mobile liquefied gas recovery equipment with purification function, including base 1, base 1 is equipped with support table 2, support table 2 is equipped with two placing grooves 3, the recovery tank 4 is arranged in the placing groove 3, the recovery tank 4 is connected with the filter purification box 5 on one side, the filter purification box 5 is located in the placing groove 3, the top of the two recovery tanks 4 is connected with the pressing plate 6, the bottom of the pressing plate 6 is connected with the adjusting assembly 7, the recess 8 is arranged in the base 1, the adjusting assembly 7 is arranged in the recess 8, the two slide holes 9 are arranged in the top of the recess 8, the adjusting assembly 7 is slidably connected in the two slide holes 9, the filter purification box 5 is equipped with the push assembly 10.

[0027] The push assembly 10 includes two push plates 101, the push plate 101 is arc-shaped, the two push plates 101 are connected with the same sliding block 102 on the side close to each other, the sliding block 102 is slidably connected in the slide 11, the sliding block 102 is connected with the bearing 103 on one side, the bearing 103 is sleeved with the screw rod 104, the other end of the screw rod 104 penetrates through the support table 2 and is connected with the handle 105, and the screw rod 104 is connected on the support table 2 through the nut, the screw rod 104 drives the push plate 101 to move left through the sliding block 102, and the push plate 101 drives the filter purification box 5, the discharge pipe base 14 and the sleeve 13 to move left, so that the discharge pipe base 14 extrudes the conical seat 161, the discharge hole 15 on the discharge pipe base 14 is communicated with the input pipe 12 while the conical seat 161 is separated from the conical hole 17, so that the liquefied gas in the filter purification box 5 can be normally introduced into the recovery tank 4, and the filter purification box 5 is assembled by clamping, which greatly improves the operation convenience.

[0028] The slide 11 is arranged in the base 1, the slide 11 is communicated with the two placing grooves 3, and the push assembly 10 is slidably connected in the slide 11. Since the slide 11 is arranged, the sliding block 102 will not be deflected during movement, and the movement stability of the push plate 101 is improved.

[0029] The input pipe 12 is arranged on the side of the recovery tank 4 close to the filter purification box 5, the sleeve 13 is sleeved with the input pipe 12, the discharge pipe base 14 is connected with the input pipe 12 on one side, the discharge pipe base 14 is connected with the filter purification box 5, a plurality of discharge holes 15 are arranged in the position of the input pipe 12 embedded with the discharge pipe base 14, and the sealing assembly 16 is arranged in the input pipe 12. One end of the sealing assembly 16 is overlapped with one end of the discharge pipe base 14.

[0030] The sealing assembly 16 includes the conical seat 161, the conical seat 161 is overlapped on the discharge pipe base 14 on one side, the other side of the conical seat 161 is fixedly connected with the limiting telescopic rod 162, the other end of the limiting telescopic rod 162 is connected with the fixing frame 164, and the fixing frame 164 is arranged in the inner wall of the input pipe 12.

[0031] The limiting telescopic rod 162 is sleeved with a spring 163, one end of the spring 163 is fixed with the conical seat 161, the other end of the spring 163 is fixed with one side of the fixed frame 164, the input pipe 12 inner wall is provided with a conical hole 17 corresponding to the position of the conical seat 161, through the cooperation between the conical seat 161 and the spring 163, as the discharge pipe seat 14 gradually moves away from the recovery tank 4, the spring 163 is supported to the conical seat 161 through the elastic force, the limiting telescopic rod 162 drives the conical seat 161 to gradually approach the conical hole 17 in the input pipe 12, until the conical seat 161 is tightly attached to the conical seat 161, the purpose of sealing the recovery tank 4 is realized.

[0032] Example two: on the basis of example one, as shown in Figures 1-3 and Figure 5 The bottom of the recovery tank 4 is provided with four discharge valve pipes 18, the discharge valve pipes 18 penetrate through the placement groove 3 and the base 1, the filter purification box 5 is connected with an injection pipe away from the recovery tank 4, because the bottom of the recovery tank 4 is provided with four discharge valve pipes 18, and the discharge valve pipes 18 penetrate through the placement groove 3 and the base 1, when sampling or discharging liquefied gas, the discharge valve pipes 18 can be directly connected with the container, and the discharge valve pipes 18 are located outside the base 1, so that the operation convenience is improved.

[0033] The support table 2 is slidingly connected in the base 1, the support table 2 is provided with elastic telescopic rods 19 at the four corners of the bottom, the bottom ends of the four elastic telescopic rods 19 are fixed with the bottom of the base 1, when the recovery equipment is jolted, the support table 2 will slide in the base 1, and cooperates with the elastic telescopic rods 19 to reversely support the support table 2, so that the base 1 can drive the recovery tank 4 to slightly shake, and the gravity of the base 1 can be buffered and damped, so as to play a buffering protection role on the recovery tank 4.

[0034] The base 1 is provided with universal wheels 20 at the four corners of the bottom, one side of the base 1 is fixed with a push handle 21, the placement groove 3 is arc-shaped, the base 1 is pushed through the push handle 21, so that the universal wheels 20 on the base 1 can roll on the ground, so that the recovery equipment is convenient to transfer.

[0035] The adjusting assembly 7 comprises a bidirectional screw rod 701, the middle part of the bidirectional screw rod 701 is connected with a shaft sleeve 702, the shaft sleeve 702 is arranged in the groove 8, the outer thread of the bidirectional screw rod 701 is connected with two nuts 703, the top of the nut 703 is hingedly connected with a connecting rod 704 through a pin shaft, the top end of the connecting rod 704 is hingedly connected with the bottom of the pressing plate 6 through a pin shaft, one end of the bidirectional screw rod 701 penetrates through the supporting table 2 and is connected with a handle 705, rotating the handle 705 drives the bidirectional screw rod 701 to rotate, so that the two nuts 703 outside the bidirectional screw rod 701 move away from each other or move close to each other, in the process of moving of the nut 703, the connecting rod 704 is pulled to be angularly deflected, so that the two connecting rods 704 drive the pressing plate 6 to move up and down, so that the positioning and installation work of the recycling tank 4 of different specifications can be realized by adjusting the position of the pressing plate 6, the use safety of the recycling tank 4 is improved, and the operation is convenient.

[0036] Working principle: when in use, the recycling tank 4 is erected in the placing groove 3 on the supporting table 2, the handle 705 is rotated to drive the bidirectional screw rod 701 to rotate, so that the two nuts 703 outside the bidirectional screw rod 701 move away from each other or move close to each other, in the process of moving of the nut 703, the connecting rod 704 is pulled to be angularly deflected, so that the two connecting rods 704 drive the pressing plate 6 to move up and down, so that the positioning and installation work of the recycling tank 4 of different specifications can be realized by adjusting the position of the pressing plate 6, and then the filter purification box 5 is erected in the placing groove 3, so that the filter purification box 5 is located on the push plate 101, the handle 105 is rotated, the screw rod 104 drives the push plate 101 to move left through the sliding block 102, the push plate 101 drives the filter purification box 5, the discharge pipe seat 14 and the sleeve 13 to move left, so that the discharge pipe seat 14 extrudes the conical seat 161, the conical seat 161 is separated from the conical hole 17 at the same time, and the discharge hole 15 on the discharge pipe seat 14 is in communication with the input pipe 12, so that the liquefied gas in the filter purification box 5 can be normally introduced into the recycling tank 4.

[0037] The handle 21 pushes the base 1, so that the universal wheel 20 on the base 1 can roll on the ground, so that the recycling equipment can be conveniently transferred, since the bottom of the recycling tank 4 is provided with four discharge valve pipes 18, and the discharge valve pipes 18 penetrate through the placing groove 3 and the base 1, when the liquefied gas is sampled or discharged, the discharge valve pipes 18 can be directly connected by using a container, when the recycling equipment is jolted, the supporting table 2 slides in the base 1, and reversely supports the supporting table 2 in cooperation with the elastic telescopic rod 19, so that the base 1 can drive the recycling tank 4 to slightly shake, and the gravity of the base 1 can be buffered and damped.

[0038] When the filter purification tank 5 is disassembled, the handle 105 is rotated to drive the screw rod 104 to rotate, the bearing 103 and the sliding block 102 are pulled to move in the process of rotation of the screw rod 104, the sliding block 102 drives the two push plates 101 to pull the filter purification tank 5, so that the filter purification tank 5 moves away from the recovery tank 4, in the process of movement of the filter purification tank 5, the sleeve 13 and the discharge pipe base 14 move to the right, with the discharge pipe base 14 gradually moving away from the recovery tank 4, the tapered seat 161 is supported by the elastic force of the spring 163, so that the limiting telescopic rod 162 drives the tapered seat 161 to gradually approach the tapered hole 17 in the input pipe 12, until the tapered seat 161 is tightly attached to the tapered seat 161, the purpose of sealing the recovery tank 4 is achieved, at this time, the filter purification tank 5 and the recovery tank 4 are in a separated state, so that the filter purification tank 5 can be disassembled for replacement or maintenance.

[0039] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore cannot be understood as a limitation on the present application.

[0040] In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specifically limited.

[0041] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral; it can be mechanical connection, or electrical connection, or communication; it can be directly connected, or indirectly connected through an intermediate medium, it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the present disclosure, a first feature being "on" or "under" a second feature can mean that the first and second features are in direct contact, or that the first and second features are in indirect contact with an intervening medium therebetween, unless explicitly specified and defined otherwise. In the description of the disclosure, the description of a term "one scheme", "some schemes", "an example", "a specific example", or "some examples" etc. means that a particular feature, structure, material or characteristic being described in connection with the scheme or example contains the compositions of matter, or any method or processes involving the use of the compositions of matter, of at least one scheme or example of the present disclosure. The illustrative description of the above terms does not necessarily refer to the same scheme or example, unless otherwise specifically stated and defined. Furthermore, the description of the particular feature, structure, material, or characteristic, can be combined in any one or more schemes or examples, as appropriate.

Claims

1. A mobile liquefied gas recovery device with purification function, comprising a base (1), characterized in that: The base (1) is provided with a support table (2), two placing grooves (3) are formed in the support table (2), a recycling tank (4) is arranged in the placing groove (3), a filter purification box (5) is connected to one side of the recycling tank (4), the filter purification box (5) is located in the placing groove (3), the top of the two recycling tanks (4) is connected with a pressing plate (6), the bottom of the pressing plate (6) is connected with an adjusting assembly (7), a groove (8) is formed in the base (1), the adjusting assembly (7) is arranged in the groove (8), two sliding holes (9) are formed in the top of the groove (8), the adjusting assembly (7) is slidably connected in the two sliding holes (9), a pushing assembly (10) is arranged outside the filter purification box (5), a sliding channel (11) is formed in the base (1), the sliding channel (11) is communicated with the two placing grooves (3), and the pushing assembly (10) is slidably connected in the sliding channel (11). The recycling tank (4) is provided with an input pipe (12) on the side close to the filter purification box (5), the input pipe (12) is sleeved with a sleeve (13), one side of the sleeve (13) is connected with a discharge pipe base (14), the discharge pipe base (14) is connected to the filter purification box (5), a plurality of discharge holes (15) are formed in the position of the input pipe (12) embedded with the discharge pipe base (14), and a sealing assembly (16) is arranged in the input pipe (12).

2. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The bottom of the recycling tank (4) is provided with four discharge valve pipes (18), the discharge valve pipes (18) penetrate through the placing groove (3) and the base (1), and the filter purification box (5) is connected with an injection pipe away from the recycling tank (4).

3. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The support table (2) is slidably connected in the base (1), the four corners of the bottom of the support table (2) are all provided with elastic telescopic rods (19), and the bottom ends of the four elastic telescopic rods (19) are fixed to the bottom of the base (1).

4. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The four corners of the bottom of the base (1) are all provided with universal wheels (20), one side of the base (1) is fixedly provided with a push handle (21), and the placing groove (3) is designed in an arc shape.

5. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The adjusting assembly (7) comprises a bidirectional screw rod (701), a shaft sleeve (702) is connected to the middle of the bidirectional screw rod (701), the shaft sleeve (702) is arranged in the groove (8), two nuts (703) are connected to the outer thread of the bidirectional screw rod (701), a connecting rod (704) is hingedly connected to the top of the nut (703) through a pin shaft, the top end of the connecting rod (704) is hingedly connected to the bottom of the pressing plate (6) through a pin shaft, and one end of the bidirectional screw rod (701) penetrates through the support table (2) and is connected with a rotating handle (705).

6. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The push assembly (10) comprises two push plates (101), the push plates (101) are arc-shaped, and the side of the two push plates (101) close to each other is connected with a same sliding block (102), the sliding block (102) is slidingly connected in a slide (11), one side of the sliding block (102) is clamped with a bearing (103), the bearing (103) is sleeved with a screw rod (104) inside, the other end of the screw rod (104) penetrates through a support table (2) and is connected with a handle (105), and the screw rod (104) is connected on the support table (2) through a nut.

7. The mobile liquefied gas recovery apparatus with purification function according to claim 1, characterized in that: The sealing assembly (16) comprises a conical seat (161), one side of the conical seat (161) is overlapped on the discharge pipe seat (14), the other side of the conical seat (161) is fixedly connected with a limiting telescopic rod (162), the other end of the limiting telescopic rod (162) is connected with a fixing frame (164), and the fixing frame (164) is arranged on the inner wall of the input pipe (12).

8. The mobile liquefied gas recovery apparatus with purification function according to claim 7, characterized in that: The limiting telescopic rod (162) is sleeved with a spring (163) outside, one end of the spring (163) is fixed with the conical seat (161), the other end of the spring (163) is fixed with one side of the fixing frame (164), and the inner wall of the input pipe (12) is provided with a conical hole (17) at the position corresponding to the conical seat (161).

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