Energy-saving heat exchanger for natural gas liquefaction process

Abstract

The utility model relates to the technical field of heat exchangers, and discloses an energy-saving heat exchanger for a natural gas liquefaction process, which is characterized in that an adjusting mechanism is arranged on a base, a connecting plate and a U-shaped seat, and a stabilizing mechanism is arranged on the adjusting mechanism; the adjusting mechanism comprises a lifting assembly and a clamping assembly, the lifting assembly comprises a connecting base, worm wheels are meshed with the front and rear side surfaces of the top of a worm, bidirectional threads are fixedly connected to the axes of the worm wheels, moving blocks are in threaded connection with the left and right side surfaces of the bidirectional threads, and hinge plates are hinged to the tops of the moving blocks. According to the energy-saving heat exchanger for the natural gas liquefaction process, a connecting plate can ascend and descend under the movement of a moving block, the height of the natural gas heat exchanger can be adjusted according to the requirements of different users, the natural gas heat exchanger is clamped and fixed through a clamping ring, and an inserting rod is inserted into a connecting rod; and the position of the natural gas heat exchanger can be fixed conveniently, and meanwhile the natural gas heat exchanger can be detached and maintained conveniently.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat exchanger technical field, concretely is an energy -conserving heat exchanger for natural gas liquefaction technology. BACKGROUND

[0002] Heat exchanger is the equipment that passes part heat of hot fluid to cold fluid, also called heat exchanger, and heat exchanger occupies important position in chemical industry, petroleum, power, food and other many industrial production, and heat exchanger can be used as heater, cooler, condenser, evaporator and reboiler etc.

[0003] According to the energy -conserving tubular heat exchanger of announcement number CN215676572U, including mobile mechanism, telescopic mechanism and tubular heat exchanger body, telescopic mechanism is located the top of mobile mechanism, tubular heat exchanger body is located the top of telescopic mechanism, telescopic mechanism includes drive box, the inner side swing joint of drive box has screw rod, the outer side screw joint of screw rod has movable push piece.

[0004] For the above description, the applicant thinks that there are the following problems:

[0005] In the use, in the daily heat exchange operation in the device, when the height of heat exchanger needs to be adjusted, only by rotating two manual handles can the height of heat exchanger be adjusted, it is time -consuming and labor -intensive, so that the labor intensity of staff is larger. INVENTION CONTENTS

[0006] The utility model discloses a kind of energy -conserving heat exchangers for natural gas liquefaction process, to solve the problems raised in the above background art.

[0007] To achieve the above object, the utility model provides the following technical scheme: an energy -conserving heat exchanger for natural gas liquefaction process, including base, connecting plate and natural gas heat exchanger, the top left and right sides of the connecting plate are fixedly connected with U-shaped seat, the base, connecting plate and U-shaped seat are provided with adjusting mechanism, the adjusting mechanism is provided with firm mechanism;

[0008] The adjusting mechanism includes lifting assembly and clamping assembly, and the clamping assembly is arranged on the lifting assembly.

[0009] The lifting assembly comprises a connecting seat fixedly connected to the bottom of the connecting plate, limit plates fixedly connected to the top of the base, limit seats fixedly connected to the top of the base on the front and back sides, a motor fixedly connected to the front of the limit seat, a worm fixedly connected to the back of the motor, worm wheels meshingly connected to the top of the worm on the front and back sides, bidirectional threads fixedly connected to the shaft of the worm wheel, moving blocks threadedly connected to the left and right sides of the bidirectional threads, hinged plates hingedly connected to the top of the moving blocks, the top of the hinged plate and the bottom of the connecting seat being hingedly connected, fixed seats fixedly connected to the front and back sides of the connecting plate, four fixed seats, and T-shaped slide rods fixedly connected to the bottom of the four fixed seats.

[0010] Preferably, the worm is rotatably connected to the inside of the limit seat, and the front and back sides of the worm have two thread lines of the same specification and the same direction.

[0011] Preferably, the bidirectional threads are two in number, the surfaces of the two bidirectional threads are rotatably connected to the inside of the limit plate, the thread lines on the left and right sides of the two bidirectional threads are of the same specification and opposite directions, and the left and right moving blocks move on the opposite sides of the thread rod, so that the connecting plate moves up and down under the movement of the moving blocks, and the height of the natural gas heat exchanger can be adjusted according to the requirements of different users.

[0012] Preferably, the clamping assembly comprises a rectangular groove, the rectangular groove is arranged in the U-shaped seat, the front and back sides of the rectangular groove are open, first sliding grooves are arranged on the left and right sides of the inner wall of the rectangular groove, a top block is fixedly connected to the top of the U-shaped seat, an electric push rod is fixedly connected to the bottom of the top block, a mounting plate is fixedly connected to the bottom of the electric push rod, a plug rod is fixedly connected to the bottom of the mounting plate, T-shaped grooves are arranged on the front and back sides of the U-shaped seat, T-shaped blocks are slidably connected to the inside of the T-shaped grooves, a T-shaped block is fixedly connected to the side of the mounting plate close to the U-shaped seat, the surface of the T-shaped block is slidably connected to the inside of the T-shaped groove, sliding plates are slidably connected to the inside of the left and right first sliding grooves, a connecting rod is fixedly connected between the two sliding plates, plug hole grooves are densely arranged in the inside of the connecting rod, a fixed plate is fixedly connected to the side of the connecting rod away from the U-shaped seat, a clamping ring is fixedly connected to the inside of the connecting rod, and the clamping ring is arranged on the surface of the natural gas heat exchanger.

[0013] Preferably, the top and bottom of the plug hole groove are open, the surface of the plug rod is inserted into the inside of the plug hole groove, and the plug rod is arranged on the front and back sides of the U-shaped seat and is inserted into the connecting rod, so as to limit and fix the position of the clamping ring, facilitate the fixation of the position of the natural gas heat exchanger, and also facilitate the disassembly and maintenance of the natural gas heat exchanger in the later period.

[0014] Preferably, the stabilizing mechanism comprises a connecting ring arranged on the surface of the T-shaped slide rod, slanted plates are fixedly connected around the surface of the connecting ring respectively, the bottom of the connecting ring is fixedly connected with the top of the base, second sliding grooves are arranged around the inner part of the connecting ring respectively, long sliding plates are fixedly connected around the surface of the T-shaped slide rod respectively, and the surface of the long sliding plate is slidingly connected with the inner part of the second sliding groove.

[0015] Preferably, the base is internally provided with through long grooves, and the surface of the long sliding plate and the T-shaped slide rod is inserted into the through long grooves arranged around the inner part of the base.

[0016] Compared with the prior art, the natural gas liquefaction process energy-saving heat exchanger has the following beneficial effects:

[0017] 1. The natural gas liquefaction process energy-saving heat exchanger can adjust the height of the natural gas heat exchanger according to the requirements of different users by the adjusting mechanism under the movement of the moving block, and the position of the clamping ring can be limited and fixed by the insertion rod inserted into the connecting rod, so that the position of the natural gas heat exchanger is fixed, and the natural gas heat exchanger is convenient to disassemble and maintain.

[0018] 2. The natural gas liquefaction process energy-saving heat exchanger can make the connecting plate drive the fixing seat and the fixing seat drive the T-shaped slide rod to move, and the T-shaped slide rod can drive the long sliding plate to slide in the second sliding groove, so that the connecting plate is more stable when moving up and down. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor under the premise of not paying creative labor.

[0020] Figure 1 It is a whole structure perspective view of the present application;

[0021] Figure 2 It is a structure schematic view of the lifting assembly;

[0022] Figure 3 It is a structure schematic view of the lifting assembly; Figure 2

[0023] Figure 4 ​It is a structural schematic view of the clamping assembly.

[0024] Figure 5 It is a structural schematic view of the clamping assembly. Figure 4 It is a structural schematic view of the clamping assembly.

[0025] Figure 6 It is a structural schematic view of the clamping assembly.

[0026] In the figure: 1, base; 2, U-shaped seat; 3, connecting plate; 4, natural gas heat exchanger; 5, adjusting mechanism; 51, lifting assembly; 511, worm; 512, limiting seat; 513, motor; 514, two-way thread; 515, limiting plate; 516, connecting seat; 517, hinged plate; 518, moving block; 519, worm wheel; 5101, fixed seat; 5102, T-shaped sliding rod; 52, clamping assembly; 521, fixed plate; 522, insertion hole groove; 523, connecting rod; 524, T-shaped groove; 525, electric push rod; 526, top block; 527, insertion rod; 528, T-shaped block; 529, mounting plate; 5201, first sliding groove; 5202, rectangular groove; 5203, sliding plate; 5204, clamping ring; 6, stabilizing mechanism; 61, long sliding plate; 62, connecting ring; 63, second sliding groove; 64, inclined plate. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense, for example, can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through an intermediate medium; can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0029] The present application provides the following technical solutions:

[0030] Embodiment one

[0031] In combination with Figures 1 to 5The utility model provides an energy -conserving heat exchanger for natural gas liquefaction process, including base 1, connecting plate 3 and natural gas heat exchanger 4, the left and right sides of connecting plate 3 top are fixedly connected with U -shaped seat 2, be provided with adjusting mechanism 5 on base 1, connecting plate 3 and U -shaped seat 2, adjusting mechanism 5 is provided with stable mechanism 6 on it,

[0032] Adjusting mechanism 5 includes lifting assembly 51 and clamping assembly 52, and the clamping assembly 52 is arranged on the lifting assembly 51.

[0033] The lifting assembly 51 includes a connecting seat 516, which is fixedly connected to the bottom of the connecting plate 3, and the top of the base 1 is fixedly connected with a limiting plate 515, and the front and rear sides of the top of the base 1 are fixedly connected with a limiting seat 512, and the front surface of the limiting seat 512 is fixedly connected with a motor 513, and the back surface of the motor 513 is fixedly connected with a worm 511, and the top of the worm 511 is engaged with a worm gear 519 on the front and rear sides of the surface, and the worm gear 519 is fixedly connected with a bidirectional screw 514 at the shaft center, and the left and right sides of the surface of the bidirectional screw 514 are respectively screwed with a moving block 518, and the top of the moving block 518 is hingedly connected with a hinged plate 517, and the top of the hinged plate 517 and the bottom of the connecting seat 516 are hingedly connected, and the front and rear sides of the connecting plate 3 are respectively fixedly connected with a fixed seat 5101, and the number of the fixed seat 5101 is four, and the bottom of the four fixed seats 5101 is fixedly connected with a T-shaped sliding rod 5102.

[0034] The surface of the worm 511 is rotatably connected with the inside of the limiting seat 512, and the front and rear sides of the surface of the worm 511 are respectively provided with two same specification thread lines with the same direction, and the number of the bidirectional screw 514 is two, and the surface of the two bidirectional screws 514 is rotatably connected with the inside of the limiting plate 515, and the thread line specifications of the left and right sides of the surface of the two bidirectional screws 514 are consistent and the directions are opposite.

[0035] The clamping assembly 52 comprises a rectangular groove 5202 which is arranged in the U-shaped seat 2, the front and back sides of the rectangular groove 5202 are provided as openings, the inner walls of the rectangular groove 5202 are respectively provided with first sliding grooves 5201 on the left and right sides, the top of the U-shaped seat 2 is fixedly connected with a top block 526, the bottom of the top block 526 is fixedly connected with an electric push rod 525, the bottom of the electric push rod 525 is fixedly connected with a mounting plate 529, the bottom of the mounting plate 529 is fixedly connected with a plug rod 527, the front and back sides of the U-shaped seat 2 are respectively provided with T-shaped grooves 524, the T-shaped grooves 524 are slidably connected with T-shaped blocks 528, the side of the mounting plate 529 close to the U-shaped seat 2 is fixedly connected with a T-shaped block 528, the surface of the T-shaped block 528 is slidably connected with the inside of the T-shaped groove 524, the inside of the first sliding grooves 5201 on the left and right sides is slidably connected with sliding plates 5203, the two sliding plates 5203 are fixedly connected with a connecting rod 523, the inside of the connecting rod 523 is densely provided with plug hole grooves 522, the side of the connecting rod 523 away from the U-shaped seat 2 is fixedly connected with a fixed plate 521, the inside of the connecting rod 523 is fixedly connected with a clamping ring 5204, the clamping ring 5204 is arranged on the surface of the natural gas heat exchanger 4, the top and bottom of the plug hole groove 522 are provided as openings, the surface of the plug rod 527 is inserted into the inside of the plug hole groove 522, and the plug rod 527 is arranged on the front and back sides of the U-shaped seat 2.

[0036] Further, the connecting plate 3 can be lifted and lowered by the movement of the moving block 518, the height of the natural gas heat exchanger 4 can be adjusted according to the requirements of different users, the fixed plate 521 is pushed to drive the connecting rod 523, the connecting rod 523 drives the sliding plates 5203 to slide in the first sliding grooves 5201, until the connecting rod 523 drives the clamping ring 5204 to clamp and fix the natural gas heat exchanger 4, the plug rod 527 is inserted into the connecting rod 523, the position of the clamping ring 5204 can be limited and fixed, the position of the natural gas heat exchanger 4 is fixed, and the natural gas heat exchanger 4 is also convenient to disassemble and maintain later.

[0037] Embodiment two

[0038] With reference to Figures 1-6 On the basis of embodiment one, the stable mechanism 6 further comprises a connecting ring 62, the connecting ring 62 is arranged on the surface of the T-shaped slide rod 5102, the surface of the connecting ring 62 is fixedly connected with inclined plates 64 around, the bottom of the connecting ring 62 is fixedly connected with the top of the base 1, the inside of the connecting ring 62 is respectively provided with second sliding grooves 63 around, the surface of the T-shaped slide rod 5102 is fixedly connected with long sliding plates 61 around, the surface of the long sliding plate 61 is slidably connected with the inside of the second sliding groove 63, the inside of the base 1 is provided with a through long groove around, and the surface of the long sliding plate 61 and the T-shaped slide rod 5102 is inserted into the through long groove arranged around the inside of the base 1.

[0039] Further, the connecting plate 3 can drive the fixed seat 5101 to move when the connecting plate 3 moves, and the T-shaped slide rod 5102 can drive the long slide plate 61 to slide in the second sliding groove 63, so that the connecting plate 3 can be more stable when it is lifted or lowered in cooperation with the connecting ring 62, the T-shaped slide rod 5102 and the base 1.

[0040] In actual operation, when the device is used, when the height of the natural gas heat exchanger 4 needs to be adjusted during normal operation, the worm 511 can be driven to rotate by the motor 513, and the two worm gears 519 can be driven to rotate in the same direction at the original position. When the worm gears 519 rotate, the bidirectional screw 514 can be driven to rotate, and the two moving blocks 518 can move to the opposite side at this time. Since the moving block 518, the hinged plate 517 and the connecting seat 516 are hingedly connected, the connecting plate 3 can be lifted and moved by the moving block 518, and the height of the natural gas heat exchanger 4 can be adjusted according to the requirements of different users.

[0041] Further, the connecting plate 3 can drive the fixed seat 5101 to move when the connecting plate 3 moves, and the T-shaped slide rod 5102 can drive the long slide plate 61 to slide in the second sliding groove 63, so that the connecting plate 3 can be more stable when it is lifted or lowered in cooperation with the connecting ring 62, the T-shaped slide rod 5102 and the base 1.

[0042] The fixed plate 521 drives the connecting rod 523, the connecting rod 523 drives the slide plate 5203 to slide in the first sliding groove 5201, until the connecting rod 523 drives the clamping ring 5204 to clamp and fix the natural gas heat exchanger 4, and the electric push rod 525 drives the mounting plate 529 to insert the connecting rod 523, so that the position of the clamping ring 5204 can be fixed and limited, and the position of the natural gas heat exchanger 4 can be fixed, and the natural gas heat exchanger 4 can be conveniently disassembled and repaired.

[0043] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. An energy-saving heat exchanger for natural gas liquefaction process, comprising a base (1), a connecting plate (3) and a natural gas heat exchanger (4), characterized in that: The left and right sides of the top of the connecting plate (3) are fixedly connected with U-shaped seats (2), the base (1), the connecting plate (3) and the U-shaped seats (2) are provided with adjusting mechanisms (5), and the adjusting mechanisms (5) are provided with stabilizing mechanisms (6); The adjusting mechanism (5) comprises a lifting assembly (51) and a clamping assembly (52), and the clamping assembly (52) is arranged on the lifting assembly (51); The lifting assembly (51) comprises a connecting seat (516), the connecting seat (516) is fixedly connected to the bottom of the connecting plate (3), the top of the base (1) is fixedly connected with limit plates (515) respectively, the top of the base (1) is fixedly connected with limit seats (512) on the front and back sides, the front surface of the limit seat (512) is fixedly connected with a motor (513), the back surface of the motor (513) is fixedly connected with a worm (511), the top of the worm (511) is engagedly connected with worm gears (519) on the front and back sides of the surface respectively, the shaft center of the worm gear (519) is fixedly connected with a bidirectional screw (514), the left and right sides of the surface of the bidirectional screw (514) are threadedly connected with moving blocks (518) respectively, the top of the moving block (518) is hingedly connected with a hinged plate (517), the top of the hinged plate (517) and the bottom of the connecting seat (516) are hingedly connected, the front and back sides of the connecting plate (3) are fixedly connected with fixed seats (5101) respectively, the number of the fixed seats (5101) is four, and the bottom of the four fixed seats (5101) is fixedly connected with T-shaped sliding rods (5102).

2. The energy saving heat exchanger for natural gas liquefaction process according to claim 1, characterized in that: The surface of the worm (511) is rotatably connected with the inside of the limit seat (512), and the front and back sides of the surface of the worm (511) are provided with two same specification thread lines and the thread line directions are same.

3. The energy saving heat exchanger for natural gas liquefaction process according to claim 1, characterized in that: The number of the bidirectional screw (514) is two, the surface of the bidirectional screw (514) is rotatably connected with the inside of the limit plate (515), and the thread line specifications of the left and right sides of the surface of the bidirectional screw (514) are consistent and the directions are opposite.

4. The energy saving heat exchanger for natural gas liquefaction process according to claim 1, characterized in that: The clamping assembly (52) comprises a rectangular groove (5202) which is arranged in the U-shaped seat (2), the front and back sides of the rectangular groove (5202) are provided as openings, and the inner walls of the rectangular groove (5202) are provided with first sliding grooves (5201) on the left and right sides respectively, the top of the U-shaped seat (2) is fixedly connected with a top block (526), the bottom of the top block (526) is fixedly connected with an electric push rod (525), the bottom of the electric push rod (525) is fixedly connected with a mounting plate (529), the bottom of the mounting plate (529) is fixedly connected with a plug rod (527), the front and back sides of the U-shaped seat (2) are provided with T-shaped grooves (524), the T-shaped grooves (524) are slidably connected with T-shaped blocks (528), the side of the mounting plate (529) close to the U-shaped seat (2) is fixedly connected with a T-shaped block (528), the surface of the T-shaped block (528) is slidably connected with the T-shaped groove (524), and the first sliding grooves (5201) on the left and right sides are slidably connected with sliding plates (5203), the sliding plates (5203) are fixedly connected with a connecting rod (523) between them, the connecting rod (523) is provided with plug hole grooves (522) inside, the side of the connecting rod (523) away from the U-shaped seat (2) is fixedly connected with a fixed plate (521), the inner side of the connecting rod (523) is fixedly connected with a clamping ring (5204), and the clamping ring (5204) is arranged on the surface of the natural gas heat exchanger (4).

5. The energy saving heat exchanger for natural gas liquefaction process according to claim 4, characterized in that: The top and bottom of the plug hole groove (522) are provided as openings, the surface of the plug rod (527) is inserted into the plug hole groove (522), and the plug rod (527) is arranged on the front and back sides of the U-shaped seat (2).

6. The energy saving heat exchanger for natural gas liquefaction process according to claim 1, characterized in that: The stable mechanism (6) comprises a connecting ring (62), the connecting ring (62) is arranged on the surface of the T-shaped sliding rod (5102), the surface of the connecting ring (62) is fixedly connected with inclined plates (64) around, the bottom of the connecting ring (62) is fixedly connected with the top of the base (1), the inside of the connecting ring (62) is provided with second sliding grooves (63) around, and the surface of the long sliding plate (61) is fixedly connected with the T-shaped sliding rod (5102) around.

7. The energy saving heat exchanger for natural gas liquefaction process according to claim 6, characterized in that: The inside of the base (1) is provided with a through long groove around, and the surface of the long sliding plate (61) and the T-shaped sliding rod (5102) are inserted into the through long groove arranged around the inside of the base (1).

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