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CN-224231548-U - Density detection device for heat source tower antifreeze solution

CN224231548UCN 224231548 UCN224231548 UCN 224231548UCN-224231548-U

Abstract

The utility model discloses a density detection device for an antifreezing solution of a heat source tower, which comprises a detection box, wherein a vertical main pipe body is arranged in the detection box, a liquid inlet pipe transversely extending out of the detection box is arranged on the left side of the lower end of the main pipe body, a liquid outlet pipe transversely extending out of the detection box is arranged on the left side of the upper end of the main pipe body, a transverse upper eduction pipe is also arranged on the right side of the upper end of the main pipe body, a transverse lower eduction pipe is arranged on the right side of the lower end of the main pipe body, a U-shaped communicating pipe is arranged between the upper eduction pipe and the lower eduction pipe, and a differential pressure sensor is also arranged on the upper eduction pipe. The device can effectively detect the density of the antifreeze solution through the arrangement of the differential pressure sensor, and can not influence the use of the antifreeze solution in the heat source tower, and has reasonable structure, low cost and convenient use. The device can also recover the antifreeze solution in the main pipe body and the communicating pipe, and the normal density detection of the antifreeze solution can not be influenced, so that the structure is reasonable.

Inventors

  • WANG LINYU
  • LI YAOQUAN
  • LIU SONG

Assignees

  • 江苏辛普森新能源有限公司

Dates

Publication Date
20260512
Application Date
20250403

Claims (9)

  1. 1. The density detection device for the antifreeze solution of the heat source tower is characterized by comprising a detection box (1), wherein a vertical main pipe body (2) is arranged in the detection box (1), a liquid inlet pipe (3) transversely extending out of the detection box (1) is arranged at the left side of the lower end of the main pipe body (2), and a liquid outlet pipe (4) transversely extending out of the detection box (1) is arranged at the left side of the upper end of the main pipe body (2); The right side of the upper end of the main pipe body (2) is also provided with a transverse upper eduction tube (5), the right side of the lower end of the main pipe body (2) is provided with a transverse lower eduction tube (6), a U-shaped communicating tube (7) is arranged between the upper eduction tube and the lower eduction tube (6), and the upper eduction tube (5) is also provided with a differential pressure sensor (8); And the lower eduction tube (6) is correspondingly provided with a recovery tube (9), the recovery tube (9) is correspondingly connected with a recovery tank (10), and the recovery tank (10) is provided with a liquid discharge tube (11) which transversely extends out of the detection box (1) from the left side.
  2. 2. A density detecting device for antifreeze solution of heat source tower according to claim 1, wherein said main pipe body (2) is further provided at its upper end portion with an exhaust pipe (12).
  3. 3. A density detection device for antifreeze solution of heat source tower according to claim 2, wherein the position of the pipe orifice of the exhaust pipe (12) is provided with a first electromagnetic valve (101), and the exhaust pipe (12) is also connected in parallel with a backwash water pump (13) through a backwash pipe, after the first electromagnetic valve (101) at the pipe orifice of the exhaust pipe (12) is closed, the main pipe body (2) is backwashed through the backwash water pump, and backwashed water flows into the recovery tank (10).
  4. 4. A density detecting device for antifreeze solution of heat source tower according to claim 3, wherein the upper eduction tube (5) is further provided with a bypass tube (14), the bypass tube (14) is provided with a second electromagnetic valve (102), and the bypass tube (14) is correspondingly communicated with the exhaust pipe (12) after extending upwards, when the second electromagnetic valve (102) is opened, the upper eduction tube (5), the lower eduction tube (6) and the communicating tube (7) can be backwashed, and backwashed water flows into the recovery tank (10).
  5. 5. The device for detecting the density of the antifreeze solution of the heat source tower according to claim 4, wherein the recovery pipe (9) is provided with a third electromagnetic valve (103).
  6. 6. The device for detecting the density of the antifreeze solution of the heat source tower according to claim 4, wherein the liquid discharge pipe (11) is also provided with a fourth electromagnetic valve (104).
  7. 7. The device for detecting the density of the antifreeze solution of the heat source tower according to claim 1 is characterized in that a PLC operating system (15) is further arranged at the upper end of the detection box (1).
  8. 8. The device for detecting the density of the antifreeze solution for the heat source tower according to claim 1, wherein the liquid inlet pipe (3) is also provided with a temperature sensor (16).
  9. 9. The device for detecting the density of the antifreeze solution for the heat source tower according to claim 1, wherein the main pipe body (2) is further provided with a hot galvanizing layer.

Description

Density detection device for heat source tower antifreeze solution Technical Field The utility model relates to a heat source tower in the technical field of air conditioners, in particular to a density detection device for an antifreezing solution of the heat source tower. Background The antifreeze solution in the heat source tower is an important component for maintaining the safe operation of the heat source tower in the prior art, and the antifreeze solution in the heat source tower needs to maintain a certain density, so that the density of the antifreeze solution in the heat source tower needs to be detected. The specific structure of the anti-freezing solution detection device for the heat source tower in the prior art comprises a tube body with the upper end and the lower end closed, a pressure sensor arranged between fixed intervals of the tube body, a liquid inlet and a liquid outlet arranged on the tube body, a drain outlet arranged below the liquid inlet, and an exhaust hole arranged at the top of the tube body, wherein the pressure sensor is arranged in the tube body, and the pressure sensor is arranged at the top of the tube body. The differential pressure type liquid densimeter not only solves the problem of inconvenient use and calibration, but also has the advantages of high precision, simple manufacture, low cost and the like, is suitable for measuring the density of various liquids, and has good practicability. According to the technical scheme, the detection of the internal antifreeze solution is realized through the characteristics of the differential pressure sensor, the whole structure is simple and practical, but in the specific working process, the antifreeze solution needs to enter the communicating pipe where the pressure sensor is located, the antifreeze solution of the part is easy to waste, and the antifreeze solution of the part cannot be effectively utilized. In addition, the antifreeze solution has certain corrosiveness, and effective back flushing is needed to be carried out on the detection pipe body and the like, and no back flushing mechanism is basically arranged in the prior art. Therefore, in order to solve the above problems, it is necessary to develop a density detection device for antifreeze solution of heat source tower, which has a reasonable structure and can be backwashed effectively. Disclosure of utility model The utility model aims to provide a density detection device for a heat source tower antifreeze solution, aiming at the defects in the prior art, and the technical scheme is as follows: the density detection device for the antifreeze solution of the heat source tower comprises a detection box, wherein a vertical main pipe body is arranged in the detection box, a liquid inlet pipe transversely extending out of the detection box is arranged on the left side of the lower end of the main pipe body, and a liquid outlet pipe transversely extending out of the detection box is arranged on the left side of the upper end of the main pipe body; The right side of the upper end of the main pipe body is also provided with a transverse upper eduction tube, the right side of the lower end of the main pipe body is provided with a transverse lower eduction tube, a U-shaped communicating tube is arranged between the upper eduction tube and the lower eduction tube, and a differential pressure sensor is also arranged on the upper eduction tube; And the lower eduction tube is correspondingly provided with a recovery tube, the recovery tube is correspondingly connected with a recovery tank, and the recovery tank is provided with a liquid discharge tube which transversely extends out of the detection box from the left side. Further, an exhaust pipe is also installed at the upper end of the main pipe body. Further, a first electromagnetic valve is arranged at the pipe orifice of the exhaust pipe, a back flushing water pump is connected in parallel with the exhaust pipe through a back flushing pipe, and after the first electromagnetic valve at the pipe orifice of the exhaust pipe is closed, the main pipe body is back flushed through the back flushing water pump, and back flushing water flows into the recovery tank. Further, the upper eduction tube on still install the side branch pipe, install the second solenoid valve on this side branch pipe, and the side branch pipe upwards extends the back and corresponds the intercommunication with the blast pipe, when opening the second solenoid valve, can carry out the back flush to upper eduction tube, lower eduction tube and communicating pipe, the rivers of back flush are in the recovery jar. Further, a third electromagnetic valve is arranged on the recovery pipe, and the recovery work in the recovery tank is realized through the cooperation of the arranged electromagnetic valves. Further, a fourth electromagnetic valve is arranged on the liquid discharge pipe, and the liquid discharge work of each liquid in the recovery tank can be co