CN-224230759-U - Non-condensable gas automatic separation system for ORC (organic Rankine cycle) equipment

CN224230759UCN 224230759 UCN224230759 UCN 224230759UCN-224230759-U

Abstract

The utility model discloses a non-condensable gas automatic separation system for ORC equipment, which comprises a pipeline pump, a shell-and-tube heat exchanger, a mixed gas air-in cut-off valve, a non-condensable gas discharge regulating valve, a liquid discharge switching valve and a cooling water inlet regulating valve, wherein the ORC equipment is connected with the pipeline pump and the shell-and-tube heat exchanger, the pipeline pump is connected with the shell-and-tube heat exchanger, a cooling water inlet pipeline, a cooling water outlet pipeline and a non-condensable gas discharge pipeline are connected to the shell-and-tube heat exchanger, the mixed gas air-in cut-off valve is arranged on a connecting pipeline between the pipeline pump and the shell-and-tube heat exchanger, and the cooling water inlet pipeline and the non-condensable gas discharge pipeline are respectively provided with the cooling water inlet regulating valve and the non-condensable gas discharge regulating valve. The method has the advantages that whether the noncondensable gas is mixed in the ORC equipment can be detected, and the noncondensable gas in the ORC equipment can be automatically separated and discharged.

Inventors

LIN MINGXUAN
YUE ZEYU
HE PING

Assignees

北京华航盛世能源技术有限公司

Dates

Publication Date: 20260512
Application Date: 20250509

Claims (7)

1. The non-condensable gas automatic separation system for the ORC equipment is characterized by comprising a pipeline pump, a shell-and-tube heat exchanger, a mixed gas air-in cut-off valve, a non-condensable gas discharge regulating valve, a liquid discharge switching valve and a cooling water inlet regulating valve, wherein the ORC equipment is connected with the pipeline pump and the shell-and-tube heat exchanger, the pipeline pump is connected with the shell-and-tube heat exchanger, a cooling water inlet pipeline, a cooling water outlet pipeline and a non-condensable gas discharge pipeline are connected to the shell-and-tube heat exchanger, the mixed gas air-in cut-off valve is arranged on a connecting pipeline between the pipeline pump and the shell-and-tube heat exchanger, and the cooling water inlet pipeline and the non-condensable gas discharge pipeline are respectively provided with the cooling water inlet regulating valve and the non-condensable gas discharge regulating valve.
2. The automatic non-condensable gas separating system for an ORC apparatus of claim 1, wherein a nitrogen detection sensor is provided on the ORC apparatus.
3. The automatic non-condensable gas separation system for an ORC apparatus of claim 2, wherein a pump outlet pressure sensor is provided on a connecting pipe between said pipe pump and said mixture gas intake cutoff valve.
4. The automatic non-condensable gas separation system for an ORC apparatus of claim 3, wherein said shell and tube heat exchanger is provided with a heat exchanger pressure sensor.
5. The automatic non-condensable gas separation system for an ORC apparatus of claim 4, wherein a liquid level sensor is disposed in said shell-and-tube heat exchanger.
6. The automatic non-condensable gas separation system for an ORC apparatus of claim 5, wherein said non-condensable gas discharge line is provided with a Freon detection sensor, said Freon detection sensor being positioned downstream of said non-condensable gas removal control valve in a direction of gas flow within said non-condensable gas discharge line.
7. The automatic non-condensable gas separation system for an ORC apparatus of claim 6, further comprising a PLC module, wherein said pipeline pump, said mixed gas inlet shutoff valve, said non-condensable gas discharge regulating valve, said liquid discharge switching valve, said cooling water inlet regulating valve, said nitrogen gas detection sensor, said pump outlet pressure sensor, said heat exchanger pressure sensor, said liquid level sensor, and said Freon detection sensor are all connected to said PLC module.

Description

Non-condensable gas automatic separation system for ORC (organic Rankine cycle) equipment Technical Field The utility model relates to the technical field of gas separation, in particular to an automatic non-condensable gas separation system for ORC equipment. Background Compared with a common fluorine system, the organic Rankine cycle waste heat power generation equipment (ORC) has larger volume, and more flange connection points among the equipment and equipment inspection maintenance reserved interfaces. When the equipment is in a parking state, organic working media in the equipment can be condensed into liquid state from gas state at normal temperature in winter, at the moment, the inside of the equipment is in a negative pressure state, external air can possibly enter the inside of the equipment through a connecting flange or a process inspection and maintenance interface between the equipment, however, the air cannot perform phase change heat exchange in the equipment, and therefore the generating capacity of the equipment is affected. This portion of the air within the apparatus is referred to as noncondensable gases. Therefore, the utility model provides a non-condensable gas automatic separation system for ORC equipment, so as to automatically separate non-condensable gas in a fluorine system of the waste heat power generation equipment (ORC), and improve the performance of the waste heat power generation equipment. Disclosure of utility model The object of the present utility model is to provide an automatic separation system for noncondensable gases of ORC devices, solving the aforementioned problems of the prior art. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: The non-condensable gas automatic separation system for the ORC equipment comprises a pipeline pump, a shell-and-tube heat exchanger, a mixed gas air-intake cut-off valve, a non-condensable gas discharge regulating valve, a liquid discharge switching valve and a cooling water inlet regulating valve, wherein the ORC equipment is connected with the pipeline pump and the shell-and-tube heat exchanger, the pipeline pump is connected with the shell-and-tube heat exchanger, a cooling water inlet pipeline, a cooling water outlet pipeline and a non-condensable gas discharge pipeline are connected to the shell-and-tube heat exchanger, the mixed gas air-intake cut-off valve is arranged on a connecting pipeline between the pipeline pump and the shell-and-tube heat exchanger, and the liquid discharge switching valve is arranged on the connecting pipeline between the ORC equipment and the shell-and-tube heat exchanger, and the cooling water inlet regulating valve and the non-condensable gas discharge regulating valve are respectively arranged on the cooling water inlet pipeline and the non-condensable gas discharge pipeline. Preferably, a nitrogen detection sensor is arranged on the ORC equipment. Preferably, a pump outlet pressure sensor is arranged on a connecting pipeline between the pipeline pump and the gas mixture inlet cut-off valve. Preferably, a heat exchanger pressure sensor is arranged on the shell-and-tube heat exchanger. Preferably, a liquid level sensor is arranged in the shell-and-tube heat exchanger. Preferably, the noncondensable gas discharge pipeline is provided with a Freon detection sensor, and the Freon detection sensor is positioned at the downstream of the noncondensable gas discharge regulating valve along the gas flow direction in the noncondensable gas discharge pipeline. Preferably, the device further comprises a PLC module, wherein the pipeline pump, the mixed gas inlet cut-off valve, the non-condensable gas discharge regulating valve, the liquid discharge switch valve, the cooling water inlet regulating valve, the nitrogen detection sensor, the pump outlet pressure sensor, the heat exchanger pressure sensor, the liquid level sensor and the freon detection sensor are all connected with the PLC module. The automatic separation system provided by the utility model has the beneficial effects that 1, the non-condensable gas can be separated under the condition that ORC equipment operates. 2. The automatic separation system provided by the utility model can detect whether noncondensable gas is mixed in the ORC equipment or not, and automatically separate and discharge the noncondensable gas in the ORC equipment. Drawings Fig. 1 is a block diagram of an automatic separation system in an embodiment of the present utility model. In the figure, a 1-pipeline pump, a 2-pump outlet pressure sensor, a 3-mixed gas inlet shutoff valve, a 4-shell-and-tube heat exchanger, a 5-row noncondensable gas regulating valve, a 6-Freon detection sensor, a 7-liquid level sensor, an 8-heat exchanger pressure sensor, a 9-liquid discharge switching valve, a 10-cooling water inlet regulating valve, an 11-nitrogen detection sensor and a 12-PLC module are arranged. Detailed Description The present