High-temperature pressure reducer

Abstract

The utility model discloses a high-temperature pressure reducer, which relates to the technical field of pressure reducers and comprises a pressure reducer body, two side surfaces of the pressure reducer body are respectively communicated and connected with a delivery pipe and a connecting pipe, the upper surface of the pressure reducer body is fixedly connected with a pressure gauge, and a dial plate of the pressure gauge is rotatably connected with a pointer pointing to a pressure value. A rotary button is fixedly installed and connected to the surface of one side of the pressure reducer body, a set of symmetrical limiting discs are fixedly connected to the interior of the conveying pipe, a mounting and dismounting disc is slidably plugged between the limiting discs, a filter screen plate is installed and connected to the interior of the mounting and dismounting disc in a threaded mode, and a sealing arc plate fixedly connected to the upper surface of the mounting and dismounting disc is arranged in a sealing plug in a notch. A connecting sleeve plate is fixedly connected to the upper surface of the sealing arc plate, a frame body is fixedly mounted on the upper pipe surface of one side of the conveying pipe, a threaded rod is rotationally connected to the position, close to the center, in the frame body in a limiting mode, and sliding rods are fixedly connected to the positions, located on the two sides of the threaded rod, of the frame body.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure reducers, in particular to a high-temperature pressure reducer. Background Art

[0002] As the name implies, a high-temperature pressure reducer reduces high-temperature and high-pressure steam to low-pressure and high-temperature steam that customers can use. Taking the boiler superheater outlet as an example, the steam generated by the boiler passes through the superheater outlet to the steam turbine to do work. The steam turbine has a range requirement for the parameters of the incoming steam. If the steam parameters at the superheater outlet exceed the upper limit required by the steam turbine, it will cause damage to the steam turbine. Therefore, a high-temperature and high-pressure pressure reducer is needed to reduce the parameters to within the applicable range.

[0003] When the high-temperature and high-pressure temperature and pressure reducer is running in the pipeline, since most of the impurities are attached to the cooling water, when passing through the filter of the high-temperature pressure reducer, the impurities will accumulate and scale at the filter, thereby causing blockage, reducing the high-temperature pressure reduction effect of the high-temperature pressure reducer, thereby reducing the use effect of the high-temperature pressure reducer. Utility Model Content

[0004] The purpose of the utility model is to provide a high-temperature pressure reducer to solve the technical problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-temperature pressure reducer, comprising a pressure reducer body, the two side surfaces of the pressure reducer body are respectively connected with a delivery pipe and a connecting pipe, the upper surface of the pressure reducer body is fixedly installed and connected with a pressure gauge, the dial of the pressure gauge is rotatably connected with a pointer pointing to the pressure value, a side surface of the pressure reducer body is fixedly installed and connected with a knob, a group of symmetrical limit plates are fixedly connected inside the delivery pipe, a sliding plug between the limit plates is provided with an installation and removal plate, the internal thread of the installation and removal plate is connected with a filter screen plate, the upper tube surface of the delivery pipe is connected and provided with a slot for sliding the installation and removal plate, a sealing plug in the slot is provided with a sealing arc plate fixedly connected to the upper surface of the installation and removal plate, the upper surface of the sealing arc plate is fixedly connected with a connecting sleeve plate, a frame is fixedly installed on the upper tube surface of one side of the delivery pipe, a threaded rod is rotatably connected with a position limit near the center of the frame, the frame is fixedly connected with sliding rods on both sides of the threaded rod, and the connecting sleeve plate is sleeved on the outside of the threaded rod and the sliding rod.

[0006] Optionally, the threaded rod passes through the top of the outer surface of the frame and is fixedly connected with a handle.

[0007] Optionally, the central surface of the connecting sleeve is threadedly sleeved on the outside of the threaded rod, and the two side surfaces of the connecting sleeve away from the threaded rod are slidably sleeved on the outside of the sliding rod.

[0008] Optionally, four thread groove plates are fixedly connected to an inner wall of the installation and removal plate close to the conveying pipe, and the installation and removal plate is attached to a side surface of the thread groove plate.

[0009] Optionally, one side surface of the filter screen plate is in contact with an annular groove plate that is flush with the installation plate.

[0010] Optionally, the annular groove plate passes through the other side of the threaded groove plate and is threadedly connected with a bolt, and the surface of the filter screen plate is provided with a threaded groove for the bolt to thread through.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model uses a filter screen installed in the delivery pipe to effectively filter the water before it enters the connecting pipe for high-temperature pressure reduction, thereby avoiding the phenomenon of impurities clogging the pressure reducer body, thereby improving the use effect of the high-temperature pressure reducer.

[0013] 2. The utility model uses an installation and removal plate that is slidably inserted between the limit plates in the conveying pipe, so that the staff can rotate the threaded rod when the filter screen plate needs to be replaced according to the use time. The connecting sleeve plate is arranged outside the threaded rod. Under the condition that the connecting sleeve plate is slidably sleeved outside the sliding rod, the connecting sleeve plate is driven to move upward. The connecting sleeve plate drives the installation and removal plate between the sealing arc plate and the limit plate to move upward accordingly until the installation and removal plate is completely exposed to the outside of the conveying pipe. The staff can install and replace the filter screen plate in the installation and removal plate, so that the filter screen plate that has been used for a period of time can be easily replaced, thereby ensuring the filtering effect and further improving the use effect of high-temperature pressure reduction after filtration by the high-temperature pressure reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is the front view of the structure of the utility model;

[0015] Figure 2 This is a cross section of some structures in the utility model Figure 1 ;

[0016] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at center A;

[0017] Figure 4 This is a cross section of some structures in the utility model Figure 2 .

[0018] In the figure: 1-pressure reducer body, 2-delivery pipe, 3-connecting pipe, 4-pressure gauge, 5-pointer, 6-knob, 7-notch, 8-limiting plate, 9-installation plate, 10-sealing arc plate, 11-threaded groove plate, 12-filter screen plate, 13-annular groove plate, 14-threaded notch, 15-bolt, 16-connecting sleeve plate, 17-frame, 18-threaded rod, 19-handle, 20-slide rod. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] For examples, see Figures 1 to 4 The utility model provides a high-temperature pressure reducer, including a pressure reducer body 1, the two side surfaces of the pressure reducer body 1 are respectively connected with a delivery pipe 2 and a connecting pipe 3, the upper surface of the pressure reducer body 1 is fixedly installed with a pressure gauge 4, the dial of the pressure gauge 4 is rotatably connected with a pointer 5 pointing to the pressure value, a side surface of the pressure reducer body 1 is fixedly installed with a knob 6, the inside of the delivery pipe 2 is fixedly connected with a group of symmetrical limit plates 8, the sliding plug between the limit plates 8 is provided with a mounting plate 9, the internal thread of the mounting plate 9 is connected with a filter screen plate 12, the upper tube surface of the delivery pipe 2 is connected with a notch 7 for the mounting plate 9 to slide, and the sealing plug in the notch 7 is fixedly connected A sealing arc plate 10 is disposed on the upper surface of the mounting plate 9, and a connecting sleeve 16 is fixedly connected to the upper surface of the sealing arc plate 10. A frame 17 is fixedly installed on the upper tube surface on one side of the conveying pipe 2. A threaded rod 18 is rotationally connected to the frame 17 at a position close to the center. Slide rods 20 are fixedly connected to the two sides of the threaded rod 18, and the connecting sleeve 16 is sleeved on the outside of the threaded rod 18 and the slide rod 20. The threaded rod 18 passes through the top of the outer surface of the upper surface of the frame 17 and is fixedly connected to a handle 19. The central surface of the connecting sleeve 16 is threadedly sleeved on the outside of the threaded rod 18, and the two side surfaces of the connecting sleeve 16 away from the threaded rod 18 are slidably sleeved on the outside of the slide rod 20.

[0021] More specifically, in this embodiment, the pressure gauge 4 monitors the pressure of the water in the pressure reducer body 1 and displays it through the pointer 5, and then adjusts the pressure reduction by turning the knob 6. Before the water enters the connecting pipe 3 for high-temperature pressure reduction, it passes through the filter screen 12 to filter the water, thereby avoiding the phenomenon of impurities clogging the pressure reducer body 1, thereby improving the use effect of the high-temperature pressure reducer;

[0022] The staff can rotate the threaded rod 18 by turning the hand 19 according to the use time of the filter screen plate 12. When it needs to be replaced, the staff can rotate the threaded rod 18 by turning the hand 19. The connecting sleeve 16 arranged outside the threaded rod 18 drives the connecting sleeve 16 to move upward under the condition that the connecting sleeve 16 is slidably sleeved outside the sliding rod 20. The connecting sleeve 16 drives the installation and removal plate 9 between the sealing arc plate 10 and the limiting plate 8 to move upward accordingly until the installation and removal plate 9 is completely exposed outside the conveying pipe 2. The staff can install and replace the filter screen plate 12 in the installation and removal plate 9, so that the filter screen plate 12 that has been used for a period of time can be easily replaced, thereby ensuring the filtering effect and further improving the use effect of high-temperature pressure reduction after filtration of the high-temperature pressure reducer.

[0023] Furthermore, four threaded groove plates 11 are fixedly connected to the inner wall of the installation and removal plate 9 near the conveying pipe 2. The installation and removal plate 9 is attached to one side surface of the threaded groove plate 11, and one side surface of the filter screen plate 12 is attached to and abuts against an annular groove plate 13 flush with the installation and removal plate 9. The annular groove plate 13 penetrates to the other side of the threaded groove plate 11 and is threadedly connected with a bolt 15. The surface of the filter screen plate 12 is provided with a threaded groove 14 for the bolt 15 to be threaded through.

[0024] It is worth mentioning that when installing or replacing the filter screen plate 12, first remove the bolts 15 from the annular groove plate 13, the threaded groove 14 and the inside of the threaded groove plate 11. After the filter screen plate 12 is released, it can be taken out, and then the new filter screen plate 12 is inserted into the threaded groove plate 11, and the annular groove plate 13 is in contact with the other side of the filter screen plate 12, and then it can be installed using the bolts 15.

[0025] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high temperature pressure reducer, comprising a pressure reducer body (1), characterized in that: The two side surfaces of the pressure reducer body (1) are respectively connected to the delivery pipe (2) and the connecting pipe (3); the upper surface of the pressure reducer body (1) is fixedly mounted with a pressure gauge (4); the dial of the pressure gauge (4) is rotatably connected to a pointer (5); a rotating knob (6) is fixedly mounted on one side surface of the pressure reducer body (1); a group of symmetrical limit plates (8) are fixedly connected inside the delivery pipe (2); a mounting plate (9) is provided between the limit plates (8); a filter screen plate (12) is installed and connected to the internal thread of the mounting plate (9); the upper tube surface of the delivery pipe (2) is connected to the A slot (7) is provided for the installation and removal plate (9) to slide, a sealing plug in the slot (7) is provided with a sealing arc plate (10) fixedly connected to the upper surface of the installation and removal plate (9), a connecting sleeve (16) is fixedly connected to the upper surface of the sealing arc plate (10), a frame (17) is fixedly installed on the upper tube surface of one side of the conveying pipe (2), a threaded rod (18) is connected to the frame (17) at a position close to the center for limited rotation, the frame (17) is fixedly connected to sliding rods (20) on both sides of the threaded rod (18), and the connecting sleeve (16) is sleeved on the outside of the threaded rod (18) and the sliding rod (20).

2. A high temperature pressure reducer according to claim 1, characterized in that: The threaded rod (18) passes through the top of the outer surface of the frame (17), and is fixedly connected to a handle (19).

3. A high temperature pressure reducer according to claim 2, characterized in that: The central surface of the connecting sleeve (16) is threadedly sleeved on the outside of the threaded rod (18), and the two side surfaces of the connecting sleeve (16) away from the threaded rod (18) are slidably sleeved on the outside of the sliding rod (20).

4. A high temperature pressure reducer according to claim 1, characterized in that: Four thread groove plates (11) are fixedly connected to the inner wall of the installation and removal plate (9) close to the conveying pipe (2), and the installation and removal plate (9) is attached to a side surface of the thread groove plate (11).

5. A high temperature pressure reducer according to claim 4, characterized in that: One side surface of the filter screen plate (12) is in contact with an annular groove plate (13) that is flush with the installation plate (9).

6. A high temperature pressure reducer according to claim 5, characterized in that: The annular groove plate (13) penetrates through the other side of the threaded groove plate (11) and is threadedly connected to a bolt (15), and a threaded notch (14) for the bolt (15) to be threadedly passed through is provided on the surface of the filter screen plate (12).

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