CN-224230752-U - ORC is with wet joint condensing system futilely

Abstract

The utility model discloses a dry-wet combined condensation system for an ORC (organic Rankine cycle), which comprises an air condenser, an evaporative condenser, a water supplementing pump, a water storage tank and a working medium liquid storage tank, wherein a turbine generator and the working medium pump of the ORC system are respectively connected with the air condenser and the working medium liquid storage tank, the air condenser is connected with the evaporative condenser and the working medium liquid storage tank, the evaporative condenser is connected with the working medium liquid storage tank, the water storage tank is connected with the water supplementing pump, and the water supplementing pump is connected with the evaporative condenser. The method has the advantages that water can be saved to the maximum extent, the problem of occupation of the ORC system is solved, the performance of the condenser can be ensured while the water limit is met, the power generation performance of the ORC system and the stable operation of the whole process system are further ensured, and meanwhile, the economical efficiency can also achieve the expected effect.

Inventors

• YUE ZEYU

Assignees

• 北京华航盛世能源技术有限公司

Dates

Publication Date

20260512

Application Date

20250512

Claims (8)

1. 1. A dry-wet combined condensation system for an ORC is characterized by comprising an air condenser, an evaporative condenser, a water supplementing pump, a water storage tank and a working medium liquid storage tank, wherein a turbine generator and the working medium pump of the ORC system are respectively connected with the air condenser and the working medium liquid storage tank, the air condenser is connected with the evaporative condenser and the working medium liquid storage tank, the evaporative condenser is connected with the working medium liquid storage tank, the water storage tank is connected with the water supplementing pump, and the water supplementing pump is connected with the evaporative condenser.
2. 2. The combined wet and dry condensation system for ORC of claim 1, wherein a bypass automatic valve is provided on a connection line between said air condenser and said evaporative condenser.
3. 3. The dry-wet combined condensing system for ORC of claim 1, wherein said air condenser and said working fluid reservoir are connected by a condenser outlet automatic valve.
4. 4. The dry-wet combined condensing system for ORC of claim 1, wherein a water supply regulating valve is arranged on a connecting pipeline between said water supply pump and said evaporative condenser.
5. 5. The dry-wet combined condensing system for ORC of claim 1, wherein a condensing pressure transmitter is arranged on the working medium liquid storage tank.
6. 6. The combined wet and dry condensation system for ORC of claim 1, wherein a reservoir level gauge is provided in the reservoir.
7. 7. The dry-wet combined condensation system for ORC according to claim 1, wherein a fan is arranged at the top of the evaporative condenser, a spray water pump is connected to the lower end of the evaporative condenser, a spray header and a working medium heat exchange pipeline are arranged in the evaporative condenser, the working medium heat exchange pipeline is arranged below the spray header and connected with the spray water pump, the air condenser is connected with the working medium heat exchange pipeline arranged in the evaporative condenser and connected with the working medium liquid storage tank, and the spray water pump sprays water below the inner part of the evaporative condenser on the working medium heat exchange pipeline through the spray header to realize heat exchange.
8. 8. The combined wet and dry condensation system for ORC of claim 7, wherein said evaporative condenser is internally provided with a condenser level gauge.

Description

ORC is with wet joint condensing system futilely Technical Field The utility model relates to the technical field of low-temperature power generation, in particular to a dry-wet combined condensation system for ORC. Background The condensing system is used as one of key components of a low-temperature organic Rankine cycle generator set (ORC system), the conventional condensing equipment is divided into three types, namely, 1) a water-cooled condenser, 2) an evaporative condenser and 3) an air condenser, the main functions of the condensing system are that dead steam of organic working medium after turbine acting is cooled and condensed, the condensed liquid organic working medium is conveyed to an evaporator through a working medium pump to exchange heat with a waste heat source and vaporize, the vaporized organic working medium pushes the turbine to apply work to output electric energy, and the dead steam of the organic working medium after acting is cooled and condensed through the condenser to complete the thermodynamic cycle of the whole system. The performance of the condenser is affected by the change of the outdoor environment temperature, the change of the performance of the condenser is reflected by the value of the condensing pressure, and the performance of the ORC system is directly affected by the condensing pressure. In areas with limited annual water consumption, the condenser is often in the form of an air condenser, but is limited by the occupation size and the outdoor environment temperature, especially in hot summer, the performance of the air condenser is greatly attenuated, so that the performance of an ORC system is greatly reduced, the economy is greatly improved, the requirement of the heat source process water outlet temperature cannot be met, and the safe operation of the whole large process system is further influenced. Disclosure of utility model The object of the present utility model is to provide a combined wet and dry condensation system for ORC, which solves 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 dry-wet combined condensation system for the ORC comprises an air condenser, an evaporation type condenser, a water supplementing pump, a water storage tank and a working medium liquid storage tank, wherein a turbine generator and the working medium pump of the ORC system are respectively connected with the air condenser and the working medium liquid storage tank, the air condenser is connected with the evaporation type condenser and the working medium liquid storage tank, the evaporation type condenser is connected with the working medium liquid storage tank, the water storage tank is connected with the water supplementing pump, and the water supplementing pump is connected with the evaporation type condenser. Preferably, a bypass automatic valve is arranged on a connecting pipeline between the air condenser and the evaporation condenser. Preferably, a condenser outlet automatic valve is arranged on a connecting pipeline between the air condenser and the working medium liquid storage tank. Preferably, a water supplementing regulating valve is arranged on a connecting pipeline between the water supplementing pump and the evaporative condenser. Preferably, a condensing pressure transmitter is arranged on the working medium liquid storage tank. Preferably, a water storage tank liquid level meter is arranged in the water storage tank. Preferably, a fan is arranged at the top of the evaporative condenser, a spray water pump is connected to the lower end of the evaporative condenser, a spray header and a working medium heat exchange pipeline are arranged in the evaporative condenser, the working medium heat exchange pipeline is arranged below the spray header, the spray header is connected with the spray water pump, the air condenser is connected with the working medium heat exchange pipeline arranged in the evaporative condenser, the working medium heat exchange pipeline is connected with the working medium liquid storage tank, and the spray water pump sprays water below the inner part of the evaporative condenser on the working medium heat exchange pipeline through the spray header to realize heat exchange. Preferably, a condenser liquid level meter is arranged inside the evaporative condenser. The dry-wet combined condensing system has the beneficial effects that 1, the performance of the ORC system can be ensured even in a high-temperature time period in summer under the condition of limited water consumption and limited occupied area in the year, and the economical efficiency is ensured while the water resource is saved to the greatest extent. 2. The dry condensation mode and the dry-wet combined condensation mode of the dry-wet combined condensation system provided by the utility model are automatically completed by the control system, so that the dry-wet combined con