CN-224230755-U - Condensate water recovery device

CN224230755UCN 224230755 UCN224230755 UCN 224230755UCN-224230755-U

Abstract

The utility model belongs to the technical field of condensate recovery, and discloses a condensate recovery device which comprises a recovery pipe, a first drain valve, an exhaust pipe, a recovery tank and a plurality of pressure relief valves, wherein the first drain valve is arranged at the inlet end of the recovery pipe and used for guiding condensate into the recovery pipe, when the condensate enters the first drain valve, the valve is opened, the condensate is led into the recovery pipe, when steam enters the first drain valve, the valve is closed, the steam is prevented from entering the recovery pipe, the plurality of pressure relief valves are sequentially arranged on the recovery pipe along the flowing direction of the condensate, the pressure relief set values of the pressure relief valves are sequentially reduced along the flowing direction of the condensate, each pressure relief valve is communicated with the exhaust pipe so as to release the steam generated by the condensate in the conveying process, so that the pressure value of the recovery pipe along the flowing direction of the condensate is gradually reduced, the impact of high-temperature condensate and attached steam to equipment is avoided, the phenomenon of water is prevented, and the recovery tank is arranged at the outlet end of the recovery pipe and used for collecting the condensate after the pressure relief.

Inventors

XIANG LEI
XIONG YIFAN
XU YUAN
WU CHONGYAO
CHEN ZHUO
TANG FEI
DENG JIAQI
TAN BO

Assignees

湖北中烟工业有限责任公司

Dates

Publication Date: 20260512
Application Date: 20250418

Claims (10)

1. The condensate water recovery device is characterized by comprising a recovery pipe (1), a first drain valve (2), an exhaust pipe (3), a recovery tank (4) and a plurality of pressure relief valves (5), wherein the first drain valve (2) is arranged at the inlet end of the recovery pipe (1), the first drain valve (2) is used for guiding condensate water into the recovery pipe (1), the plurality of pressure relief valves (5) are sequentially arranged on the recovery pipe (1) along the flowing direction of the condensate water, the pressure release set values of the pressure relief valves (5) are sequentially reduced along the flowing direction of the condensate water, each pressure relief valve (5) is communicated with the exhaust pipe (3) to release steam, and the recovery tank (4) is arranged at the outlet end of the recovery pipe (1) and is used for collecting the condensate water subjected to pressure relief.
2. The condensate water recovery device according to claim 1, wherein each pressure relief valve (5) is arranged at the top of the recovery tube (1).
3. The condensate water recovery apparatus according to claim 1, wherein the pressure release setting values of the plurality of pressure release valves (5) are stepwise decreased in the flow direction of the condensate water, and the pressure difference between adjacent pressure release valves (5) ranges from 0.1mpa to 5mpa.
4. Condensate recovery apparatus as claimed in claim 1, wherein the first drain valve (2) is a float drain valve.
5. The condensate recovery device according to claim 1, wherein the pressure relief valve (5) is a diaphragm type pressure relief valve.
6. The condensate water recovery device according to claim 1, further comprising a pressure detecting member (6) and a drain valve (7), wherein the pressure detecting member (6) is configured to detect a pressure in the recovery tank (4), the drain valve (7) is provided at an outlet of the recovery tank (4), and the drain valve (7) is in communication connection with the pressure detecting member (6).
7. The condensate water recovery apparatus as claimed in claim 6, wherein the drain valve (7) is a solenoid valve.
8. The condensate water recovery device according to claim 6, wherein the pressure detection member (6) is arranged at the top of the recovery tank (4).
9. The condensate water recovery device according to any one of claims 1-8, further comprising a plurality of second drain valves (8), wherein the recovery pipe (1) between adjacent pressure relief valves (5) is optionally provided with a second drain valve (8), each second drain valve (8) is respectively used for being connected with a condensate water source of a corresponding pressure section, and condensate water can be led into the recovery pipe (1), wherein the pressure range of the corresponding pressure section is a closed section between corresponding pressure release set values of the adjacent pressure relief valves (5).
10. Condensate recovery device according to claim 9, wherein the second drain valve (8) is a float drain valve.

Description

Condensate water recovery device Technical Field The utility model relates to the technical field of condensate water recovery, in particular to a condensate water recovery device. Background The steam can generate a large amount of condensed water after being used by condensing equipment, and the condensed water has the advantages of high heat value, good water quality index and the like, and can be widely used in heat exchange and heat supply end water, boiler steam production water and other scenes. However, in practical application, due to insufficient steam condensation, malfunction of a drain valve or internal leakage of a bypass valve, the conditions of overhigh temperature of the recovered condensate water, attached steam in the condensate water and the like are easy to occur, and both the steam and the high-temperature condensate water are easy to impact equipment, so that water hammer phenomenon occurs in a condensate water recovery system, equipment is extremely easily damaged due to the water hammer phenomenon, and meanwhile, great potential safety hazards exist. Therefore, there is a need to provide a condensate water recovery apparatus to solve the above problems. Disclosure of utility model The utility model aims to provide a condensate water recovery device, which is used for avoiding the impact of high-temperature condensate water and attached steam on equipment, preventing the occurrence of water hammer, protecting the safety of the device, prolonging the service life of the device and eliminating potential safety hazards. To achieve the purpose, the utility model adopts the following technical scheme: The condensate water recovery device comprises a recovery pipe, a first drain valve, an exhaust pipe, a recovery tank and a plurality of pressure relief valves, wherein the first drain valve is arranged at the inlet end of the recovery pipe and used for guiding condensate water into the recovery pipe, the pressure relief valves are sequentially arranged on the recovery pipe along the flowing direction of the condensate water, the pressure release set value of each pressure relief valve is sequentially reduced along the flowing direction of the condensate water, each pressure relief valve is communicated with the exhaust pipe to release steam, and the recovery tank is arranged at the outlet end of the recovery pipe and used for collecting the condensate water subjected to pressure relief. Further, each pressure relief valve is arranged at the top of the recovery pipe. Further, the pressure release set values of the plurality of pressure release valves are gradually decreased along the flowing direction of the condensed water, and the pressure difference value range between the adjacent pressure release valves is 0.1-5 MPa. Further, the first drain valve is a floating ball drain valve. Further, the relief valve is a diaphragm type relief valve. Further, the condensed water recycling device further comprises a pressure detection part and a drain valve, wherein the pressure detection part is used for detecting the pressure in the recycling tank, the drain valve is arranged at the outlet of the recycling tank, and the drain valve is in communication connection with the pressure detection part. Further, the drain valve is an electromagnetic valve. Further, the pressure detecting member is provided at the top of the recovery tank. Further, the condensed water recovery device further comprises a plurality of second drain valves, the recovery pipes between the adjacent pressure relief valves are optionally provided with the second drain valves, each second drain valve is respectively used for being connected with a condensed water source of a corresponding pressure section, condensed water can be led into the recovery pipe, and the pressure range of the corresponding pressure section is a closed section between the pressure release set values of the corresponding adjacent pressure relief valves. Further, the second drain valve is a floating ball drain valve. The utility model has the beneficial effects that: The utility model provides a condensate water recovery device which comprises a recovery pipe, a first drain valve, an exhaust pipe, a recovery tank and a plurality of pressure relief valves, wherein the first drain valve is arranged at the inlet end of the recovery pipe and used for guiding condensate water into the recovery pipe, when the condensate water enters the first drain valve, the valve is opened, the condensate water is guided into the recovery pipe, when the steam enters the first drain valve, the valve is closed, the steam is primarily prevented from entering the recovery pipe, the plurality of pressure relief valves are sequentially arranged on the recovery pipe along the flowing direction of the condensate water, the pressure relief set values of the pressure relief valves are sequentially reduced along the flowing direction of the condensate water, each pressure relief valve is co