Efficient heat exchanger of large-flow CNG pressure regulating device

Abstract

The utility model belongs to the technical field of high-efficiency heat exchangers, and particularly relates to a high-efficiency heat exchanger of a large-flow CNG pressure regulating device, which comprises a frame body, a fixing plate rotatably mounted on the side wall of the frame body, a pushing assembly fixedly mounted on the side wall of the fixing plate, sliding grooves symmetrically formed in the fixing plate and the pushing assembly, and guide plates slidably mounted in the sliding grooves. One end of the pushing assembly is fixedly installed at one end of the guide plate, a fixing frame is movably installed at one end of the guide plate, and an electric heating pipe is fixedly installed on the inner wall of the fixing frame. According to the utility model, the push rod drives the guide plate to move, so that the electric heating pipe in the fixed frame can be driven to move towards the outside of the frame body, the electric heating pipe is closer to a CNG (Compressed Natural Gas) pipeline, the heat is maximized, and the waste of electric power is avoided.

Description

TECHNICAL FIELD

[0001] The utility model belongs to high -efficient heat exchanger technical field especially relates to a high -efficient heat exchanger of large -flow CNG pressure regulating device. BACKGROUND

[0002] High pressure CNG in the process of pressure reduction can absorb heat due to expansion, if the heat supplement is insufficient, the pipeline is easy to appear frost or ice blockage, influence equipment and process safety. High -efficient heat exchanger is just using heat source (such as hot water, steam, electric heating etc.) to heat CNG, to ensure its temperature stability in the process of pressure reduction.

[0003] The Chinese patent with publication number CN216845796U discloses a high-efficiency heat exchanger for CNG gas supply station, which comprises an encapsulation shell, first and second water inlet pipes are installed at both side corners of one side of the encapsulation shell, first and second water outlet pipes are installed at both side corners of the other side of the encapsulation shell, an annular hot water pipe is installed inside the encapsulation shell, one end of the annular hot water pipe is fixedly connected with one end of the first water inlet pipe, the other end of the annular hot water pipe is fixedly connected with one end of the first water outlet pipe. The two annular cold water pipes are embedded in the bend slots in the annular hot water pipe, realizing double-circulation heat exchange, effectively improving the exchange efficiency of the heat exchanger and the recovery of heat, and the protective mechanism on the outer wall of the encapsulation shell effectively protects the encapsulation shell from external impact, avoiding deformation of the annular hot water pipe and the annular cold water pipe inside, and affecting the normal use of the heat exchanger.

[0004] The above-mentioned technology has the following problems: when using the heat exchanger to heat the CNG pipeline, the heat exchanger cannot effectively heat the CNG pipeline due to uneven distribution of the CNG pipeline, causing waste of electricity, and the heat exchanger is not convenient to maintain after installation, therefore we propose a high-efficiency heat exchanger for large-flow CNG pressure regulating device. Utility model content

[0005] The utility model aims at providing a high-efficiency heat exchanger for large-flow CNG pressure regulating device to solve the problem of waste of electricity caused by the heat exchanger being unable to effectively heat the CNG pipeline due to uneven distribution of the CNG pipeline, and the heat exchanger being not convenient to maintain after installation.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] The utility model discloses a kind of high-efficiency heat exchangers of large-flow CNG pressure regulating device, including frame, rotatingly installed with fixed plate in frame lateral wall, fixed plate is fixedly installed with pusher assembly in lateral wall, symmetrically set in the fixed plate and pusher assembly, slidingly installed with guide plate in the sliding slot, the one end of pusher assembly is fixedly installed on the one end of guide plate, the one end of guide plate is movably installed with fixed frame, electric heating tube is fixedly installed in the fixed frame inner wall, frame lateral wall is fixedly installed with mounting plate, fixed plate lateral wall is fixedly installed with connecting plate, hydraulic rod is movably installed between mounting plate and connecting plate.

[0008] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the pusher assembly includes a bearing plate, a first electric sliding table, a rotating shaft, a push rod, and a rotating seat, the bearing plate is fixedly installed on the lateral wall of the fixed plate, the first electric sliding table is fixedly installed on the lateral wall of the bearing plate, the rotating shaft is rotatably installed on the working sliding table of the first electric sliding table, and the push rod is fixedly installed on the rotating shaft.

[0009] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the one end of the guide plate is fixedly installed with a rotating seat, and the one end of the push rod is rotatably installed on the rotating seat.

[0010] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the one end of the guide plate is fixedly installed with a second electric sliding table, and the lateral wall of the fixed frame is fixedly installed on the working sliding table of the second electric sliding table.

[0011] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the inner walls of the mounting plate and the connecting plate are both fixedly installed with fixed seats, and the two ends of the hydraulic rod are rotatably installed on the two groups of fixed seats.

[0012] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the outer wall of the electric heating tube is fixedly installed with aluminum fins.

[0013] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the lateral wall of the frame is provided with a groove, the ventilation pipe is fixedly installed in the groove, and the one end of the ventilation pipe is fixedly installed with a filter plate.

[0014] The high-efficiency heat exchanger of large-flow CNG pressure regulating device, wherein: the lateral wall of the frame and the fixed plate are rotatably connected through a hinge.

[0015] The utility model has the following beneficial effects:

[0016] The utility model discloses, through electric heating tube heating CNG pipeline to avoid heat supplement deficiency, pipeline frost or ice block appears, through the first electric sliding table installation on the lateral wall of bearing plate, the first electric sliding table rotates and is connected with the push rod through the rotating shaft, and the push rod rotates and is installed on the rotating seat on the guide plate, and the guide plate is connected in the sliding slot between bearing plate and fixed plate, and is connected with fixed frame, make the sliding of first electric sliding table, and the push rod drives guide plate to remove, can drive electric heating tube in fixed frame to remove to frame body, make it more close CNG pipeline, to reach heat maximization, avoid causing the waste of electric power, and through the sliding of second electric sliding table, increase the area of electric heating tube heat coverage, can be more accurate to heat exchange, through the hydraulic rod of movable installation between mounting plate and connecting plate, make when maintaining heat exchanger, the push of hydraulic rod drives the one end of fixed plate to overturn, can maintain it. BRIEF DESCRIPTION OF DRAWINGS

[0017] Fig. 1 It is the structure schematic diagram of the whole structure that the utility model embodiment provides;

[0018] Fig. 2 It is fixed plate structure schematic diagram that the utility model embodiment provides;

[0019] Fig. 3 It is push subassembly structure schematic diagram that the utility model embodiment provides.

[0020] In the drawing: 1, frame body;2, filter plate;3, ventilation pipe;4, second electric sliding table;5, fixed frame;6, electric heating tube;7, aluminium fin;8, guide plate;9, fixed plate;10, hinge;11, push subassembly;12, mounting plate;13, connecting plate;14, fixed seat;15, hydraulic rod;111, bearing plate;112, first electric sliding table;113, rotating shaft;114, push rod;115, rotating seat. DETAILED DESCRIPTION

[0021] The technical scheme in the utility model embodiments will be described clearly and completely below in combination with the drawings in the utility model embodiments, and apparently, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.

[0022] Please refer to Figs. 1-3The utility model discloses an efficient heat exchanger of large -flow CNG pressure regulating device, including frame 1, the lateral wall rotation of frame 1 is installed with fixed plate 9, and the lateral wall fixed mounting of fixed plate 9 has pushed assembly 11, and the symmetry of fixed plate 9 with pushed assembly 11 is opened with the sliding slot, and the sliding installation of sliding slot has guide plate 8, and one end fixed mounting of pushed assembly 11 is in the one end of guide plate 8, and one end swing mounting of guide plate 8 has fixed frame 5, and the inner wall fixed mounting of fixed frame 5 has electric heating tube 6, and the lateral wall fixed mounting of frame 1 has mounting plate 12, and the lateral wall fixed mounting of fixed plate 9 has connecting plate 13, and the swing mounting between mounting plate 12 and connecting plate 13 has hydraulic rod 15, and pushed assembly 11 includes bearing plate 111, first electric sliding table 112, rotation axis 113, push rod 114, rotation seat 115, and the lateral wall fixed mounting of bearing plate 111 is on the lateral wall of fixed plate 9, and first electric sliding table 112 fixed mounting is on the lateral wall of bearing plate 111, and rotation axis 113 rotation installs on the working sliding table of first electric sliding table 112, and push rod 114 fixed mounting is on rotation axis 113, and one end fixed mounting of guide plate 8 has rotation seat 115, and one end rotation of push rod 114 installs on rotation seat 115, and one end fixed mounting of guide plate 8 has second electric sliding table 4, and the lateral wall fixed mounting of fixed frame 5 is on the working sliding table of second electric sliding table 4, and the inner wall fixed mounting of mounting plate 12 and connecting plate 13 all has fixed seat 14, and both ends of hydraulic rod 15 are rotationally installed on two groups of fixed seats 14.

[0023] Wherein, through electric heating tube 6 heating to CNG pipeline, thereby avoid heat supplement deficiency, pipeline appears frost or ice block, in through first electric sliding table 112 installation on the lateral wall of bearing plate 111, first electric sliding table 112 is rotationally connected through rotation axis 113 and push rod 114, one end rotation of push rod 114 installs on the rotation seat 115 on guide plate 8, and guide plate 8 is connected in the sliding slot between bearing plate 111 and fixed plate 9, and is connected with fixed frame 5, make the sliding of first electric sliding table 112, push rod 114 drive guide plate 8 to move, so that can drive electric heating tube 6 in fixed frame 5 to move to frame 1, make it more close to CNG pipeline, thereby reach heat maximization, avoid causing the waste of electric power, and through the sliding of second electric sliding table 4, increase the area of electric heating tube 6 heat coverage, can more accurately heat exchange, in through the swing mounting between mounting plate 12 and connecting plate 13 of hydraulic rod 15, make when maintaining heat exchanger, the pushing of hydraulic rod 15, drive one end of fixed plate 9 to overturn, so that can maintain it.

[0024] Please refer to Fig. 1The outer wall of the electric heating tube 6 is fixedly provided with aluminum fins 7, and the side wall of the frame body 1 is provided with a groove, and the groove is fixedly provided with a ventilation pipe 3, one end of the ventilation pipe 3 is fixedly provided with a filter plate 2, and the side wall of the frame body 1 and the fixed plate 9 are rotationally connected through a hinge 10.

[0025] The aluminum fins 7 installed on the outer wall of the electric heating tube 6 can improve the heat conduction efficiency of the electric heating tube 6, and the ventilation pipe 3 installed in the groove and the filter plate 2 on the outer wall of the ventilation pipe 3 can make the air inside the frame body 1 circulate when the frame body 1 is installed.

[0026] The working principle of the utility model is as follows:

[0027] In use, the CNG pipeline is heated by the electric heating tube 6, so that the heat supplement is avoided to be insufficient, and the pipeline is avoided to be frosted or blocked by ice, the first electric sliding table 112 is installed on the side wall of the bearing plate 111, the first electric sliding table 112 is rotationally connected with the pushing rod 114 through the rotating shaft 113, one end of the pushing rod 114 is rotationally installed on the rotating seat 115 on the guide plate 8, the guide plate 8 is connected in the sliding groove between the bearing plate 111 and the fixed plate 9, and is connected with the fixed frame 5, so that the sliding of the first electric sliding table 112 drives the guide plate 8 to move, so that the electric heating tube 6 in the fixed frame 5 can be driven to move outward of the frame body 1, so that it is closer to the CNG pipeline, so that the heat is maximized, the waste of electric power is avoided, and the sliding of the second electric sliding table 4 increases the heat coverage area of the electric heating tube 6, so that the heat exchange can be more accurate, the hydraulic rod 15 movably installed between the mounting plate 12 and the connecting plate 13 makes the hydraulic rod 15 drive one end of the fixed plate 9 to overturn when the heat exchanger is maintained, so that the heat exchanger can be maintained.

[0028] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A high-efficiency heat exchanger of a large-flow CNG pressure regulating device, comprising a frame (1), characterized in that: The side wall of the frame (1) is rotatably provided with a fixed plate (9), the side wall of the fixed plate (9) is fixedly provided with a pushing assembly (11), the fixed plate (9) and the pushing assembly (11) are symmetrically provided with a sliding groove, the sliding groove is slidably provided with a guide plate (8), one end of the pushing assembly (11) is fixedly installed on one end of the guide plate (8), one end of the guide plate (8) is movably provided with a fixed frame (5), the inner wall of the fixed frame (5) is fixedly provided with an electric heating pipe (6), the side wall of the frame (1) is fixedly provided with a mounting plate (12), the side wall of the fixed plate (9) is fixedly provided with a connecting plate (13), and the mounting plate (12) and the connecting plate (13) are movably provided with a hydraulic rod (15).

2. The high-efficiency heat exchanger of a large-flow CNG pressure regulating device according to claim 1, characterized in that: The pushing assembly (11) comprises a bearing plate (111), a first electric sliding table (112), a rotating shaft (113), a pushing rod (114) and a rotating seat (115), the side wall of the bearing plate (111) is fixedly installed on the side wall of the fixed plate (9), the first electric sliding table (112) is fixedly installed on the side wall of the bearing plate (111), and the rotating shaft (113) is rotatably installed on the working sliding table of the first electric sliding table (112).

3. The high-efficiency heat exchanger of a large-flow CNG pressure regulating device according to claim 2, characterized in that: One end of the guide plate (8) is fixedly provided with the rotating seat (115), and one end of the pushing rod (114) is rotatably installed on the rotating seat (115).

4. The high-efficiency heat exchanger of a large-flow CNG pressure regulating device according to claim 3, characterized in that: One end of the guide plate (8) is fixedly provided with a second electric sliding table (4), and the side wall of the fixed frame (5) is fixedly installed on the working sliding table of the second electric sliding table (4).

5. The high efficiency heat exchanger of a large flow CNG pressure regulating device according to claim 1, characterized in that: The inner walls of the mounting plate (12) and the connecting plate (13) are fixedly provided with a fixed seat (14), and the two ends of the hydraulic rod (15) are rotatably installed on the two groups of fixed seats (14).

6. A high efficiency heat exchanger for a large flow CNG pressure regulating device according to claim 1, characterized in that: The outer wall of the electric heating pipe (6) is fixedly provided with an aluminum fin (7).

7. The high-efficiency heat exchanger of a large-flow CNG pressure regulating device according to claim 1, characterized in that: The side wall of the frame (1) is provided with a groove, the groove is fixedly provided with a ventilation pipe (3), and one end of the ventilation pipe (3) is fixedly provided with a filter plate (2).

8. The high-efficiency heat exchanger of a large-flow CNG pressure regulating device according to claim 7, characterized in that: The side wall of the frame (1) is rotatably connected with the fixed plate (9) through a hinge (10).

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