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CN-224229404-U - Steam cooling stage discharge valve structure

CN224229404UCN 224229404 UCN224229404 UCN 224229404UCN-224229404-U

Abstract

The utility model discloses a steam cooling grading discharge valve structure which comprises a discharge seat, wherein a steam port is formed in the discharge seat, a grid plate is fixedly connected to the inner side wall of the steam port, a water injection pipe is communicated with the top end of the grid plate, a piston is slidably connected to the inner side wall of the steam port, a spring is fixedly connected to the end face of the piston, a pressure sensor is arranged at one end, far away from the piston, of the spring, a controller is arranged in the discharge seat, a pressure relief port is formed in the discharge seat, a high-pressure tank is arranged on the side of the high-pressure tank, a middle-pressure tank and a low-pressure tank are arranged on the side of the high-pressure tank, a discharge port is communicated with the end part of the low-pressure tank, and a pressure gauge is arranged at the top end of the high-pressure tank. Through the structure, when the steam pressure reaches the preset value, the pressure sensor can transmit signals to the controller, so that the controller opens the water injection pipe, cooling water is guided to the top end of the grid plate, the cooling water flows on the surface of the grid plate, the cooling water can fully contact with steam, and the steam is rapidly cooled.

Inventors

  • Qin zhongmei
  • LI QING
  • Qin Zhongyou

Assignees

  • 江苏杰一工业设备有限公司

Dates

Publication Date
20260512
Application Date
20250630

Claims (8)

  1. 1. The steam cooling grading discharge valve structure is characterized by comprising a discharge seat (1), wherein a steam port (2) is formed in the discharge seat (1), a grid plate (3) is fixedly connected to the inner side wall of the steam port (2), a water injection pipe (4) is communicated with the top end of the grid plate (3), a piston (5) is slidingly connected to the inner side wall of the steam port (2), a spring (6) is fixedly connected to the end face of the piston (5), a pressure sensor (7) is arranged at one end, far away from the piston (5), of the spring (6), a controller (8) is arranged in the discharge seat (1), and a pressure relief port (9) is formed in the discharge seat (1); High-pressure tank (10), high-pressure tank (10) side is provided with well pressure tank (11) and low pressure tank (12), low pressure tank (12) tip intercommunication has discharge port (13), high-pressure tank (10) top is provided with manometer (14), high-pressure tank (10) bottom intercommunication has drain pipe (15), drain pipe (15) inside is provided with drain valve (16).
  2. 2. The steam cooling graded exhaust valve structure according to claim 1, wherein the side surface of the water injection pipe (4) is fixedly connected with the inner side wall of the exhaust seat (1), and the side surface of the pressure sensor (7) is fixedly connected with the inner side wall of the exhaust seat (1).
  3. 3. A steam cooling staged discharge valve arrangement according to claim 1, characterized in that the controller (8) is connected to the water injection pipe (4) and the pressure sensor (7) by wires, and the pressure relief openings (9) are arranged in a plurality and array in the discharge seat (1).
  4. 4. A steam cooling staged discharge valve arrangement according to claim 1, characterized in that the pressure relief opening (9) is in communication with the steam opening (2), the end of the pressure relief opening (9) remote from the steam opening (2) being in communication with the end of the discharge seat (1) remote from the steam opening (2).
  5. 5. A steam cooling staged discharge valve arrangement according to claim 1, characterized in that the discharge seat (1) has three and is arranged laterally to the high pressure tank (10), the medium pressure tank (11) and the low pressure tank (12), respectively.
  6. 6. A steam cooling staged discharge valve arrangement according to claim 1, characterized in that the pressure gauge (14), the drain pipe (15) and the drain valve (16) are three and arranged at the bottom ends of the high pressure tank (10), the medium pressure tank (11) and the low pressure tank (12).
  7. 7. A vapour cooling staged discharge valve arrangement according to claim 1, wherein the pressure gauge (14) and the drain valve (16) are connected to the controller (8) by wires.
  8. 8. A steam cooling staged discharge valve arrangement as claimed in claim 1, wherein the bottom end of the mesh plate (3) is connected with junk slots.

Description

Steam cooling stage discharge valve structure Technical Field The utility model relates to the technical field of steam discharge, in particular to a steam cooling graded discharge valve structure. Background In the industrial field, equipment involving steam venting and cooling generally requires a safe and effective pressure relief and cooling structure. The traditional steam discharge valve structure has the following technical problems in the pressure relief and cooling process: The operation convenience is insufficient, the cooling water injection pipe is required to be started by manual operation of a worker, automatic control cannot be realized according to steam pressure change, and response lag or human error risks exist. The utilization rate of cooling water is low, the manual operation mode can lead to early injection or excessive use of the cooling water to cause water resource waste, and meanwhile, if the cooling water is evaporated in advance before steam enters the pressure relief port, the pressure in the system can be abnormally increased to influence the accuracy of steam pressure monitoring. The cooling efficiency and impurity treatment defects are that the cooling water is insufficient in contact with steam in the traditional structure, the cooling speed is low, and the function of effectively intercepting impurities in the steam is lacking, so that the impurities can cause abrasion or blockage to internal components of the device, and the stability and the service life of equipment are affected. Disclosure of utility model The utility model aims to at least solve one of the technical problems in the prior art, and provides a steam cooling graded discharge valve structure, wherein the piston is pushed by steam pressure to move against the elasticity of a spring, a pressure sensor is arranged at one end of the spring far away from the piston, when the piston moves to be tangent to a pressure relief opening, the pressure transmitted to the pressure sensor by the spring also reaches a threshold value, and a signal is transmitted to a controller, so that a water injection pipe is opened without manual operation of a worker, the waste of cooling water can be reduced, the pressure increase caused by the evaporation of the cooling water can be prevented from influencing the actual steam pressure before the steam does not enter the pressure relief opening, the cooling water can be led to the top end of a grid plate, the cooling water flows on the surface of the grid plate, the cooling water can be fully contacted with the steam, the steam can be rapidly cooled, a large amount of cooling water can be prevented from being washed away, sundries in the steam can be blocked, and the device can be prevented from being damaged. The utility model further provides the steam cooling graded exhaust valve structure which comprises an exhaust seat, wherein a steam port is formed in the exhaust seat, a grid plate is fixedly connected to the inner side wall of the steam port, a water injection pipe is communicated with the top end of the grid plate, a piston is slidably connected to the inner side wall of the steam port, a spring is fixedly connected to the end face of the piston, a pressure sensor is arranged at one end, far away from the piston, of the spring, a controller is arranged in the exhaust seat, a pressure relief port is formed in the exhaust seat, a high-pressure tank is arranged on the side of the high-pressure tank, a middle-pressure tank and a low-pressure tank are arranged on the side of the high-pressure tank, an exhaust port is communicated with the end portion of the low-pressure tank, a pressure gauge is arranged at the top end of the high-pressure tank, a drain pipe is communicated with the bottom end of the high-pressure tank, and a drain valve is arranged in the drain pipe. Through above parts, the piston is pushed to move against the elasticity of the spring through the steam pressure, and the pressure sensor is arranged at one end of the spring far away from the piston, when the piston moves to be tangent with the pressure relief opening, the pressure transmitted to the pressure sensor by the spring also reaches a threshold value, and signals are transmitted to the controller, so that the water injection pipe is opened without manual operation of staff, the waste of cooling water can be reduced, the fact that the actual steam pressure is influenced by the pressurization caused by the evaporation of the cooling water before the steam enters the pressure relief opening can be prevented, the cooling water can be guided to the top end of the grid plate, the cooling water flows on the surface of the grid plate, the cooling water can be fully contacted with the steam, the steam can be rapidly cooled, a large amount of cooling water can be prevented from being washed away, sundries in the steam can be prevented from being damaged by the device. According to the steam cooling graded exhaust v