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CN-224231019-U - Temperature and pressure flow monitoring meter for monitoring fluid in chimney

CN224231019UCN 224231019 UCN224231019 UCN 224231019UCN-224231019-U

Abstract

The utility model discloses a temperature-pressure flow monitoring meter for monitoring chimney fluid, which relates to the technical field of temperature-pressure flow monitoring equipment and comprises a static pressure valve, a full pressure valve and a blowback valve, wherein a first interface at the bottom end of the static pressure valve is communicated with the outside, a third interface at the bottom end of the full pressure valve is communicated with the outside, after flue gas enters the inside of the full pressure valve and the static pressure valve, high-temperature flue gas contacts with a valve body with lower temperature, liquid which is liquefied when meeting cold can be directly discharged to the outside environment from the first interface and the third structure under the action of gravity, meanwhile, the blowback valve is simultaneously connected with a fourth interface of the full pressure valve and a second interface of the static pressure valve, the blowback valve is connected with instrument gas, the instrument gas blowbacks the full pressure valve from top to bottom through the fourth interface, and the liquid remained in the valve body of the full pressure valve from top to bottom is not easy to have dead angles, and the liquid and particles in the valve body can be more effectively discharged.

Inventors

  • LIU ZHANTAO
  • ZHU YONGJIAN
  • WANG JIE

Assignees

  • 恒天益科技（深圳）有限公司

Dates

Publication Date
20260512
Application Date
20250718

Claims (9)

  1. 1. A temperature and pressure flow monitoring meter for stack fluid monitoring, comprising: the static pressure valve (2), the static pressure valve (2) comprises a first interface (21) and a second interface (22), the first interface (21) is arranged at the bottom end of the static pressure valve (2), the second interface (22) is arranged at the top end of the static pressure valve (2), and the first interface (21) is communicated with the environment to be detected; The full-pressure valve (3), the full-pressure valve (3) is arranged on one side of the static pressure valve (2), the full-pressure valve (3) comprises a third interface (31) and a fourth interface (32), the third interface (31) is arranged at the bottom end of the full-pressure valve (3), the fourth interface (32) is arranged at the top end of the full-pressure valve (3), and the third interface (31) is communicated with the environment to be detected; The device comprises a back flushing valve (4), wherein the inlet end of the back flushing valve (4) is connected with instrument gas, and the outlet end of the back flushing valve (4) is simultaneously communicated with the second interface (22) and the fourth interface (32).
  2. 2. A temperature and pressure flow monitoring meter for stack fluid monitoring according to claim 1, further comprising a zeroing valve (5), the zeroing valve (5) being arranged above the static pressure valve (2) and the full pressure valve (3), and the height of both ends of the zeroing valve (5) being higher than the height of the fourth interface (32) of the second interface (22); A fifth interface (23) is arranged on the side wall of the static pressure valve (2), and a sixth interface (33) is arranged on the side wall of the full pressure valve (3), wherein the fifth interface (23) and the sixth interface (33) are respectively connected with the analysis module (6); One end of the zeroing valve (5) is communicated with a connecting pipeline of the fifth interface (23) and the analysis module (6), and the other end of the zeroing valve is communicated with a connecting pipeline of the sixth interface (33) and the analysis module (6).
  3. 3. A warm-pressure flow monitoring meter for chimney fluid monitoring according to claim 2, characterized in that the first interface (21) of the static pressure valve (2) is in communication with the lee side of the environment to be tested, and the third interface (31) of the full pressure valve (3) is in communication with the windward side of the environment to be tested; The two ends of the zeroing valve (5) are a reference end and a measuring end respectively, the reference end of the zeroing valve (5) is communicated with a connecting pipeline of the fifth interface (23) and the analysis module (6), and the measuring end of the zeroing valve (5) is communicated with a connecting pipeline of the sixth interface (33) and the analysis module (6).
  4. 4. A temperature and pressure flow monitoring meter for monitoring fluid of a chimney according to claim 3, wherein the outlet end of the back-flushing valve (4) is connected with a first three-way pipe, and the back-flushing valve (4) is respectively communicated with a second interface (22) and a fourth interface (32) through the first three-way pipe.
  5. 5. The temperature and pressure flow monitoring meter for monitoring chimney fluid according to claim 4, wherein the reference end of the zeroing valve (5) is connected with the fifth interface (23) and the analysis module (6) respectively through a second three-way pipe, and the measurement end of the zeroing valve (5) is connected with the sixth interface (33) and the analysis module (6) respectively through a third three-way pipe.
  6. 6. The warm-pressure flow monitoring meter for monitoring chimney fluid according to claim 5, further comprising a housing, wherein the static pressure valve (2), the full pressure valve (3), the blowback valve (4) and the zeroing valve (5) are all arranged in a safety cavity formed by the housing; a first quick connector (1) and a second quick connector (7) are respectively arranged on two sides of the bottom wall of the shell, and the first quick connector (1) is communicated with the first interface (21) and is positioned below the first interface (21); the second quick connector (7) is communicated with the third interface (31) and is positioned below the third interface (31).
  7. 7. A temperature and pressure flow monitoring meter for monitoring chimney fluid according to claim 6, characterized in that a third quick connector (8) is further arranged on the housing, the third quick connector (8) is arranged between the first quick connector (1) and the second quick connector (7), one end of the third quick connector (8) is communicated with the inlet end of the blowback valve (4), and the other end is communicated with the air pipe of the meter gas.
  8. 8. A temperature and pressure flow monitoring meter for stack fluid monitoring according to claim 1, characterized in that the second interface (22) is in communication with the environment to be detected and the fourth interface (32) is in communication with the environment to be detected; The outlet end of the back-flushing valve (4) is simultaneously communicated with the first interface (21) and the third interface (31), and a four-way pipe is arranged between the first interface (21) and the third interface (31); The ports on the left side and the right side of the four-way pipe are respectively communicated with the first interface (21) and the third interface (31), the port on the top end of the four-way pipe is communicated with the outlet end of the back flushing valve (4), and the port on the bottom end of the four-way pipe is communicated with the outside.
  9. 9. A temperature and pressure flow monitoring meter for chimney fluid monitoring according to claim 8, characterized in that the top height of the four-way pipe is lower than the height of the first (21) and third (31) connectors; The port of the bottom end of the four-way pipe is connected with a one-way valve, and the one-way valve only allows gas or liquid in the four-way pipe to flow to the outside in a one-way.

Description

Temperature and pressure flow monitoring meter for monitoring fluid in chimney Technical Field The utility model relates to the technical field of temperature and pressure flow monitoring equipment, in particular to a temperature and pressure flow monitoring meter for monitoring chimney fluid. Background A Temperature-Pressure-Flow device (Temperature-Pressure-Flow device) is an instrument or system for measuring and monitoring the Temperature, pressure, and Flow of a fluid (gas or liquid) in a pipe or vessel. The analysis module integrated with the temperature sensor, the pressure sensor and the flowmeter is used for monitoring the state of the fluid in real time, so that the safety, stability and high efficiency of the system operation are ensured. The temperature-pressure flow device also comprises a static pressure valve, a full pressure valve, a zero setting valve and a back blowing valve, wherein the full pressure valve and the static pressure valve are communicated with an environment to be tested, flue gas is input into the analysis module after passing through the full pressure valve and the static pressure valve, the zero setting valve is used for being connected with the outlet ends of the full pressure valve and the static pressure valve, and high-temperature flue gas can be liquefied when water vapor in the flue gas is cooled after passing through the full pressure valve, the static pressure valve and the zero setting valve with lower temperature, and a chimney in industrial application is usually accompanied with impurities of particles. The prior warm-pressure flow equipment has the advantages that the full-pressure valve, the static pressure valve and the zero setting valve of the flue gas are arranged in parallel, the flue gas is input from the top ends of the full-pressure valve and the static pressure valve and output from the bottom ends of the full-pressure valve and the static pressure valve, so that liquid after the flue gas is liquefied when meeting cold and particulate impurities in the flue gas are accumulated in pipelines below the full-pressure valve, the static pressure valve and the zero setting valve under the action of gravity, dead angles exist in the pipelines with lower positions, instrument gas in the blowback valve can not be wrapped with the accumulated particulate matters or condensed liquid is completely blowback to the outside from bottom to top, partial liquid and particulate matters still remain in the pipelines, when the outside temperature is lower, the liquid accumulated in the pipelines can be frozen, so that the outlet pipelines of the static pressure valve and the full-pressure valve are blocked, and the outlet pipelines at the bottom of the full-pressure valve are blocked after the particulate impurities in the flue gas are accumulated in the dead angles, so that the fluid can not be monitored in real time. Disclosure of utility model The utility model mainly aims to provide a temperature-pressure flow monitoring meter for monitoring chimney fluid, and aims to solve the technical problem that liquid which is liquefied when meeting cold can not be discharged after smoke flows through a static pressure valve and a full pressure valve in the conventional temperature-pressure flow monitoring meter. The warm-pressure flow monitoring meter for monitoring the fluid of the chimney comprises a static pressure valve, a full-pressure valve and a blowback valve, wherein the static pressure valve comprises a first connector and a second connector, the first connector is arranged at the bottom end of the static pressure valve, the second connector is arranged at the top end of the static pressure valve, the first connector is communicated with an environment to be detected, the full-pressure valve is arranged on one side of the static pressure valve and comprises a third connector and a fourth connector, the third connector is arranged at the bottom end of the full-pressure valve, the fourth connector is arranged at the top end of the full-pressure valve and is communicated with the environment to be detected, the inlet end of the blowback valve is connected with instrument gas, and the outlet end of the blowback valve is simultaneously communicated with the second connector and the fourth connector. The automatic control device is characterized by further comprising a zero setting valve, wherein the zero setting valve is arranged above the static pressure valve and the full pressure valve, the heights of two ends of the zero setting valve are higher than those of the second interface and the fourth interface, a fifth interface is arranged on the side wall of the static pressure valve, a sixth interface is arranged on the side wall of the full pressure valve, the fifth interface and the sixth interface are respectively connected with the analysis module, one end of the zero setting valve is communicated with a connecting pipeline of the fifth interface and the analysis mo