Inlet pipeline of temperature and pressure reducer

Abstract

The utility model relates to the technical field of temperature and pressure reducers, in particular to an inlet pipeline of a temperature and pressure reducer. The temperature and pressure reducer inlet pipeline comprises a pipe body and a heat collection arc plate which is fixedly embedded in the outer pipe wall of the lower portion of the pipe body when the pipe body is horizontally arranged. A plurality of arc-shaped guide plates which are axially distributed and obliquely arranged are mounted in the pipe body, and the tail end of the arc-shaped guide plate on the front side is arranged below the front end face of the adjacent arc-shaped guide plate on the rear side; each arc-shaped guide plate is provided with two symmetrically-distributed curved heat conduction rods, and the other ends of the two curved heat conduction rods are fixedly embedded in the heat collection arc plate. According to the temperature and pressure reducer inlet pipeline, on one hand, the temperature of hot steam transmitted to the pipe body upper half section pipeline is reduced, on the other hand, the hot steam flows towards the pipe body lower half section pipeline through the inclined arc-shaped guide plate, the contact time of the hot steam and the pipe body lower half section pipeline is prolonged, the temperature is increased, and therefore the temperature difference between the upper pipeline and the lower pipeline of the pipe body is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of temperature and pressure reducing devices, in particular to an inlet pipeline of a temperature and pressure reducing device. Background Art

[0002] The main function of the desuperheater and pressure reducer is to reduce high-temperature and high-pressure steam to low-pressure and low-temperature steam (which can be superheated steam) that customers can use. In the industrial field, especially in situations involving steam-powered machinery (such as steam turbines), steam parameters (such as temperature and pressure) need to be strictly controlled within a certain range to ensure the safe operation and efficient performance of the equipment. The desuperheater and pressure reducer is mainly composed of a control system, a pressure reducing system, a water spray desuperheating system, and a safety protection system. Among them, the control system adopts a high-precision multifunctional digital controller to achieve intelligent unattended operation and flexible adjustment of parameter settings. The pressure reducing system realizes the decompression process of steam through throttling of the pressure reducing valve and the throttling orifice plate. The water spray desuperheating system uses a specially designed desuperheating water atomization device to quickly mix and evaporate the desuperheating water and steam to achieve the purpose of lowering the steam temperature;

[0003] During the operation of the temperature reducer, the temperature of the upper part of the pipe section will be higher than that of the lower part, which will cause the pipe to bend axially. The greater the flow rate of the temperature reducer and the greater the temperature difference, the greater the degree of deformation, which can easily cause damage to the pipe and cause the installation support bracket to be suspended in the air. Suspension may cause uneven force on the pipe, increase the risk of pipe rupture, and affect the stable operation of the temperature reducer.

[0004] Therefore, it is necessary to provide an inlet pipe of a temperature reducer and pressure reducer that can reduce the temperature difference between the upper and lower halves of the pipe to solve the above technical problems. Utility Model Content

[0005] In order to solve the above technical problems, the utility model provides an inlet pipeline of a temperature and pressure reducing device.

[0006] The inlet pipeline of the temperature and pressure reducing device provided by the utility model comprises:

[0007] The tube body, and

[0008] A heat collecting arc plate fixedly embedded on the outer tube wall below the tube body when the tube body is arranged horizontally;

[0009] A plurality of axially distributed and obliquely arranged arc-shaped guide plates are installed in the tube body, and the tail end of the front arc-shaped guide plate is arranged below the front end surface of the adjacent rear arc-shaped guide plate;

[0010] Two symmetrically distributed curved heat-conducting rods are installed on each of the arc-shaped guide plates, and the other ends of the two curved heat-conducting rods are fixedly embedded in the heat-collecting arc plate.

[0011] Preferably, the connecting end of the curved heat-conducting rod is fixedly embedded in the upper surface of the arc guide plate and passes through the upper tube wall when the tube body is arranged horizontally, and the curved rod part of the curved heat-conducting rod passing through the tube body is coaxially arranged with the tube body and fixedly embedded in the bottom of the heat collecting arc plate.

[0012] Preferably, a plurality of annularly distributed heat dissipating fins are fixedly embedded on the curved rod portion of the curved heat conducting rod.

[0013] Preferably, both sides of the arc-shaped guide plate are provided with curled portions that bend upwards.

[0014] Preferably, the inclination angle of the arc-shaped guide plate is 30-48°.

[0015] Preferably, the solar arc plate is made of copper, aluminum alloy or stainless steel.

[0016] Preferably, an arc-shaped embedding groove is provided on the outer tube wall of the horizontally arranged lower half of the tube body, and the heat collecting arc plate is fixedly embedded in the arc-shaped embedding groove.

[0017] Compared with the related art, the inlet pipe of the temperature and pressure reducer provided by the utility model has the following beneficial effects:

[0018] When the hot steam enters the pipe body of the utility model, since the pipe body is provided with a plurality of equally distributed arc-shaped guide plates which are connected in sequence head to tail and are all inclined, the hot steam can flow to the lower half of the pipe body when passing through the arc-shaped guide plates. On the one hand, the temperature of the hot steam transferred to the pipe in the upper half of the pipe body is reduced. On the other hand, the hot steam flows out to the pipe in the lower half of the pipe body through the inclined arc-shaped guide plates, which increases the contact time with the pipe and increases its temperature, thereby reducing the temperature difference between the upper and lower pipes of the pipe body. At the same time, the temperature accumulated on the arc-shaped guide plates is transferred to the curved heat-conducting rod, and a part of the heat is transferred to the heat collecting arc plate for accumulation. The heat accumulated by the heat collecting arc plate can heat the pipe in the lower half of the pipe body, further reducing the temperature difference between the upper and lower pipes of the pipe body, thereby reducing the degree of axial bending deformation of the pipe and increasing the service life of the pipe body. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a preferred embodiment of the inlet pipe of the temperature reducing and pressure reducing device provided by the utility model;

[0020] Figure 2 for Figure 1 The schematic diagram of the installation structure of the heat collecting arc plate on the tube body is shown;

[0021] Figure 3 for Figure 1 Schematic diagram of the structure of the tube body cross-section shown.

[0022] Numbers in the figure: 1, tube body; 1a, arc-shaped fitting groove; 2, heat collecting arc plate; 3, arc-shaped guide plate; 31, curled portion; 4, curved heat-conducting rod; 5, heat dissipation fin. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] The specific implementation of the present utility model is described in detail below in conjunction with specific embodiments.

[0025] See also Figures 1 to 3 The embodiment of the utility model provides an inlet pipe of a temperature reducer and pressure reducer, and the inlet pipe of the temperature reducer and pressure reducer comprises: a pipe body 1, a heat collecting arc plate 2, and a curved heat conducting rod 4.

[0026] In the embodiments of the present invention, please refer to Figure 1 , Figure 2 and Figure 3 , a heat collecting arc plate 2 is fixedly embedded on the lower outer tube wall when the tube body 1 is horizontally arranged, and the heat collecting arc plate 2 is made of copper, aluminum alloy or stainless steel, so as to increase the temperature collected by the heat collecting arc plate 2 and transmitted by the curved heat conducting rod 4, so that the temperature of the pipeline in the lower half of the tube body 1 is increased, and the temperature difference between the upper and lower parts of the pipeline in the tube body 1 is reduced. Specifically, an arc-shaped embedding groove 1a is opened on the outer tube wall of the lower half of the horizontally arranged tube body 1, and the heat collecting arc plate 2 is fixedly embedded in the arc-shaped embedding groove 1a;

[0027] A plurality of axially distributed and obliquely arranged arc guide plates 3 are installed in the tube body 1, and upwardly bent curled portions 31 are arranged on both sides of the arc guide plates 3, and the tail end of the front arc guide plate 3 is arranged below the front end surface of the adjacent rear arc guide plate 3, and two symmetrically distributed curved heat-conducting rods 4 are installed on each of the arc guide plates 3, and the other ends of the two curved heat-conducting rods 4 are fixedly embedded in the heat collecting arc plate 2. Specifically, the connecting end of the curved heat-conducting rod 4 is fixedly embedded in the upper surface of the arc guide plate 3 and penetrates the upper tube wall when the tube body 1 is horizontally arranged, and the curved rod portion of the curved heat-conducting rod 4 that penetrates the tube body 1 is coaxially arranged with the tube body 1 and fixedly embedded in the bottom of the heat collecting arc plate 2, and a plurality of annularly distributed heat dissipating fins 5 are fixedly embedded on the curved rod portion of the curved heat-conducting rod 4.

[0028] It should be noted that: when the hot steam enters the pipe body 1, since the pipe body 1 is provided with a plurality of equally spaced arc guide plates 3 which are connected end to end in sequence and are all inclined, the hot steam can flow toward the lower half of the pipe body 1 when passing through the arc guide plates 3. On the one hand, the temperature of the hot steam transferred to the upper half of the pipe body 1 is reduced. On the other hand, the hot steam flows toward the lower half of the pipe body 1 through the inclined arc guide plates 3, which increases the contact time with the pipe body 1 and increases its temperature, thereby reducing the temperature difference between the upper and lower pipes of the pipe body 1.

[0029] At the same time, the temperature accumulated on the arc guide plate 3 is transferred to the curved heat-conducting rod 4. Since the curved heat-conducting rod 4 is provided with heat dissipating fins 5, part of the heat is dissipated by the heat dissipating fins 5, and the other part of the heat is transferred to the heat collecting arc plate 2 for accumulation. The heat accumulated by the heat collecting arc plate 2 can heat the lower half of the pipe of the pipe body 1, further reducing the temperature difference between the upper and lower pipes of the pipe body 1, thereby reducing the degree of axial bending deformation of the pipe and increasing the service life of the pipe body 1.

[0030] In this embodiment, since the curved heat-conducting rod 4 passes through the curved rod portion of the tube body 1 and is coaxially arranged with the tube body 1, the tube body 1 can be effectively protected and the impact of external objects on the tube body 1 can be reduced;

[0031] Among them, the inclination angle of the arc guide plate 3 is 30-48°, so that when the hot steam passes through the arc guide plate 3, it impacts the lower half of the pipe body 1, on the one hand, reducing the temperature of the upper half of the pipe body 1, and on the other hand, the hot steam impacts the lower half of the pipe body 1 through the inclined arc guide plate 3, thereby increasing the contact time with it, thereby reducing the temperature difference between the upper and lower parts of the pipe body 1.

[0032] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A temperature and pressure reducing device inlet pipeline, characterized in that: include: a tube body (1), and A heat collecting arc plate (2) fixedly embedded on the lower outer tube wall when the tube body (1) is arranged horizontally; A plurality of axially distributed and obliquely arranged arc-shaped guide plates (3) are installed in the tube body (1), and the tail end of the front arc-shaped guide plate (3) is arranged below the front end surface of the adjacent rear arc-shaped guide plate (3); Two symmetrically distributed curved heat-conducting rods (4) are mounted on each of the arc-shaped guide plates (3), and the other ends of the two curved heat-conducting rods (4) are fixedly embedded on the heat-collecting arc plate (2).

2. The inlet pipe of the temperature and pressure reducing device according to claim 1, characterized in that: The connecting end of the curved heat-conducting rod (4) is fixedly embedded in the upper surface of the arc-shaped guide plate (3) and penetrates the upper tube wall when the tube body (1) is arranged horizontally, and the curved rod portion of the curved heat-conducting rod (4) that penetrates the tube body (1) is coaxially arranged with the tube body (1) and fixedly embedded in the bottom of the heat-collecting arc plate (2).

3. The inlet pipe of the temperature and pressure reducing device according to claim 2, characterized in that: A plurality of annularly distributed heat dissipating fins (5) are fixedly embedded on the curved rod portion of the curved heat-conducting rod (4).

4. The inlet pipe of the temperature and pressure reducing device according to claim 1, characterized in that: Both sides of the arc-shaped guide plate (3) are provided with curled portions (31) that bend upwards.

5. The inlet pipe of the temperature and pressure reducing device according to claim 1, characterized in that: The inclination angle of the arc-shaped guide plate (3) is 30-48°.

6. The inlet pipe of the temperature and pressure reducing device according to claim 1, characterized in that: The heat collecting arc plate (2) is made of copper, aluminum alloy or stainless steel.

7. The inlet pipeline of the temperature and pressure reducing device according to claim 1, characterized in that: An arc-shaped embedding groove (1a) is provided on the outer tube wall of the lower half section of the horizontally arranged tube body (1), and the heat collecting arc plate (2) is fixedly embedded in the arc-shaped embedding groove (1a).

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