CN215570752U

CN215570752U - Heat exchange station heating system

Info

Publication number: CN215570752U
Application number: CN202122098951.5U
Authority: CN
Inventors: 陆云鹏
Original assignee: Huaneng Heilongjiang Energy Sales Co ltd
Current assignee: Huaneng Heilongjiang Energy Sales Co ltd
Priority date: 2021-09-02
Filing date: 2021-09-02
Publication date: 2022-01-18
Anticipated expiration: 2031-09-02

Abstract

Heat exchange station heating system. The water hammer phenomenon often takes place for heat exchange station heating system in the operation, and the condition of jam often can appear in the steam trap simultaneously, and the condition emergence of leading to the damage can appear owing to preheating inadequately in the relief pressure valve wherein. The utility model comprises the following components: the system comprises two groups of heat exchangers (6), a pressure reducing valve (4), a steam pipeline (5) and a condensed water pipe (10), wherein the steam pipeline is communicated with a water drain pipe (1) and a pressure reducing bypass (3), the pressure reducing bypasses are positioned at two ends of the pressure reducing valve, the condensed water pipe is communicated with two hydrophobic loops (7), the condensed water pipe is provided with a bending part (11), the highest point of the bending part is communicated with an exhaust pipe (9), and two ends of the two hydrophobic loops of the condensed water pipe are communicated with hydrophobic bypasses (8); the exhaust pipe is provided with an automatic exhaust valve (12). The utility model is used for preventing water hammer of the heating system of the heat exchange station.

Description

Heat exchange station heating system

Technical Field

The utility model relates to a heat exchange station heating system.

Background

The heating station is a place where heating power is concentrated and exchanged, and is divided into a direct supply station and an intermediate supply station according to a heating form, wherein the direct supply station is directly supplied to users by a power plant, the temperature is high, the control is difficult, and the heat energy is wasted. Is a product of the waste heat welfare heat supply of the initial power plant.

The water hammer phenomenon often takes place for heat exchange station heating system in the operation, and the condition of jam often can appear in the steam trap simultaneously, and the condition emergence of leading to the damage can appear owing to preheating inadequately in the relief pressure valve wherein.

Disclosure of Invention

The utility model aims to provide a heat exchange station heating system.

The above purpose is realized by the following technical scheme:

a heat exchange station heating system, comprising: the steam pipeline is communicated with a drain pipe and a pressure reducing bypass, the pressure reducing bypass is positioned at two ends of the pressure reducing valve, the condensed water pipe is communicated with two drainage loops, the condensed water pipe is provided with a bending part, the highest point of the bending part is communicated with an exhaust pipe, and two ends of the two drainage loops of the condensed water pipe are communicated with drainage bypasses;

and an automatic exhaust valve is arranged on the exhaust pipe.

And valves are arranged on the decompression bypass, the drainage bypass and the water drain pipe of the heat exchange station heating system.

Has the advantages that:

1. according to the utility model, the drain pipe is arranged on the steam pipeline, the drain valve on the drain pipe is opened between steam feeding, condensed water remained in the steam pipeline is discharged, the exhaust pipe is arranged at the highest bending position of the condensed water pipe, so that secondary steam generated in the condensed water pipe can be discharged through the automatic exhaust valve, and the water hammer is prevented.

2. The utility model is provided with two drainage loops, wherein the two drainage loops are a primary drainage loop and a standby drainage loop, when a steam trap of the drainage loop needs to be cleaned, the drainage loops can be disassembled, a valve on the primary drainage loop is closed, and a valve on the standby drainage loop is opened, so that condensed water flows from the standby drainage loop, and the operation of a system is prevented from being influenced.

3. The utility model is provided with the drainage bypass, the valves of the two drainage loops are closed when the system is put into operation for the first time, and the valve of the drainage bypass is opened, so that dirt such as water scale and the like discharged from the condensation water pipe is directly discharged during the initial operation, and the blockage of a drainage device is prevented.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

in the figure: 1. a drain pipe; 3. A pressure reducing bypass; 4. a pressure reducing valve; 5. a steam line; 6. a heat exchanger; 7. a hydrophobic circuit; 8. a hydrophobic bypass; 9. an exhaust pipe; 10. a condensate pipe; 11. bending the part; 12. an automatic exhaust valve.

The specific implementation mode is as follows:

example 1:

a heat exchange station heating system, comprising: the system comprises two groups of heat exchangers 6, a pressure reducing valve 4, a steam pipeline 5 and a condensed water pipe 10, wherein the steam pipeline is communicated with a water drain pipe 1 and a pressure reducing bypass 3, the pressure reducing bypasses are positioned at two ends of the pressure reducing valve, the condensed water pipe is communicated with two hydrophobic loops 7, the condensed water pipe is provided with a bending part 11, the highest point of the bending part is communicated with an exhaust pipe 9, and two ends of the two hydrophobic loops of the condensed water pipe are communicated with hydrophobic bypasses 8;

the exhaust pipe is provided with an automatic exhaust valve 12.

Example 2:

the heat exchange station heating system of embodiment 1, wherein the pressure reducing bypass, the water draining bypass and the water drain pipe are all provided with valves.

The working principle is as follows: when needs are put into operation, open the valve on the water-drain pipe, the condensate water who is detained in the steam conduit is put, then put into operation, open the decompression bypass, the valve before with the relief pressure valve is closed, make steam circulate through the decompression bypass, fully preheat the relief pressure valve both ends when circulating, preheat the back and close the decompression bypass, make steam pass through the relief pressure valve, can prevent the relief pressure valve both ends because preheat the too big damage that makes of not enough difference in temperature, condensate water passes through the condensate pipe and discharges behind the heat exchanger at steam, install the blast pipe at the highest point of bending of condensate pipe, can pass through the automatic exhaust valve with the steam in the condensate pipe and exhaust.

Claims

1. A heat exchange station heating system, comprising: two sets of heat exchangers, relief pressure valve, steam conduit and condenser pipe, characterized by: the steam pipeline is communicated with a drain pipe and a pressure reducing bypass, the pressure reducing bypass is positioned at two ends of the pressure reducing valve, the condensed water pipe is communicated with the two drainage loops, the condensed water pipe is provided with a bending part, the highest point of the bending part is communicated with an exhaust pipe, and two ends of the two drainage loops of the condensed water pipe are communicated with the drainage bypasses;

and an automatic exhaust valve is arranged on the exhaust pipe.

2. The heat exchange station heating system of claim 1, wherein: the pressure reducing bypass, the water draining bypass and the water drain pipe are all provided with valves.