System for reducing steam inlet flow rate of heating network heater

Abstract

The invention discloses a system for reducing steam inlet flow velocity of a heating network heater. At present, steam admission of a heat supply network heater of a company adopts two DN900 steam admission ports, so that the leakage probability of the heat supply network heater is increased, and the heat supply stability is reduced. The method comprises the following steps that a first heat supply network heater and a second heat supply network heater are arranged, the first heat supply network heater is connected with a first heat supply network steam extraction pipeline, the second heat supply network heater is connected with a second heat supply network steam extraction pipeline, the first heat supply network steam extraction pipeline is provided with an open hole and communicates with a communicating pipe, and the open hole is communicated with the communicating pipe; the communicating pipe is connected to the first heat supply network heater. The second heat supply network air exhaust pipeline is provided with an open hole and communicated with a communicating pipe, and the communicating pipe is connected to the second heat supply network heater. The method is used for reducing the steam inlet flow speed of the heating network heater.

Description

Technical Field

[0001] The invention relates to a system for reducing the steam inlet flow rate of a heating network heater. Background Art

[0002] At present, the company's heating network heater steam inlet is two DN900 steam inlet interfaces. Due to the low steam inlet pressure of the heating network heater, the flow rate of the heating network heater reaches 106.9m / s. According to the JB / T7837-1995 heating network heater industry standard, the steam inlet flow rate is allowed to be controlled at 30-75m / s. This increases the probability of leakage of the heating network heater and reduces the stability of heating supply. Summary of the invention

[0003] The purpose of the present invention is to solve the above-mentioned technical problems and provide a system for reducing the steam inlet flow rate of a heating network heater.

[0004] The above purpose is achieved through the following technical solutions: A system for reducing the steam inlet flow rate of a heating network heater, comprising a No. 1 heating network heater and a No. 2 heating network heater, wherein the No. 1 heating network heater is connected to the No. 1 heating network steam extraction pipeline, the No. 2 heating network heater is connected to the No. 2 heating network steam extraction pipeline, the No. 1 heating network steam extraction pipeline is provided with an opening and is connected with a connecting pipe, and the connecting pipe is connected to the No. 1 heating network heater; The No. 2 heat network exhaust pipe is provided with an opening and is connected with a connecting pipe, and the connecting pipe is connected to the No. 2 heat network heater.

[0005] The system for reducing the steam inlet flow rate of the heating network heater is provided with a steam inlet butterfly valve on the connecting pipe.

[0006] The system for reducing the steam inlet flow rate of the heating network heater, the steam inlet butterfly valve is installed on the ground at 12.6 meters.

[0007] In the system for reducing the steam inlet flow rate of the heating network heater, the connecting pipe is a DN900 pipe.

[0008] In the system for reducing the steam inlet flow rate of the heating network heater, the connecting pipe is connected to the drain pipe, and the drain pipe is connected to the main body drain expansion tank. Beneficial Effects

[0009] 1. The present invention connects the heat network extraction pipeline with a connecting pipe to the corresponding heat network heater, and the steam inlet butterfly valve of the newly added connecting pipe is set on the ground at 12.6 meters. By adding a steam inlet, the steam inlet cross-sectional area can be increased to reduce the flow rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is the principle diagram of the present invention; In the figure: 1. Steam inlet butterfly valve; 2. Connecting pipe; 3. No. 1 heating network heater; 4. No. 2 heating network heater; 5. Drain pipe. DETAILED DESCRIPTION

[0011] Reference Figure 1 , a system for reducing the steam inlet flow rate of a heating network heater, comprising: a No. 1 heating network heater 3 and a No. 2 heating network heater 4, wherein the No. 1 heating network heater is connected to the No. 1 heating network steam extraction pipeline, the No. 2 heating network heater is connected to the No. 2 heating network steam extraction pipeline, the No. 1 heating network steam extraction pipeline is provided with an opening and is connected with a connecting pipe 2, and the connecting pipe is connected to the No. 1 heating network heater; The No. 2 heat network exhaust pipe is provided with an opening and is connected with a connecting pipe, and the connecting pipe is connected to the No. 2 heat network heater.

[0012] In the system for reducing the steam inlet flow rate of the heating network heater, a steam inlet butterfly valve 1 is installed on the connecting pipe.

[0013] The system for reducing the steam inlet flow rate of the heating network heater, the steam inlet butterfly valve is installed on the ground at 12.6 meters.

[0014] In the system for reducing the steam inlet flow rate of the heating network heater, the connecting pipe is a DN900 pipe.

[0015] In the system for reducing the steam inlet flow rate of the heating network heater, the connecting pipe is connected to the drain pipe 5, and the drain pipe is connected to the main body drain expansion tank.

[0016] By modifying the heater pipeline and the heater steam inlet interface, the heater steam inlet flow rate is reduced, the heater heat exchange tube is protected, and the leakage probability of the heat network heater is reduced. By adding a steam inlet, the steam inlet cross-sectional area can be increased to reduce the flow rate. By connecting the heat network steam extraction pipeline with a connecting pipe to the corresponding heat network heater, the steam inlet butterfly valve of the newly added connecting pipe is set on the ground at 12.6 meters. By adding a steam inlet, the steam inlet cross-sectional area can be increased to reduce the flow rate.

Claims

1. A system for reducing the steam inlet flow rate of a heating network heater, characterized by: It comprises a No. 1 heating network heater and a No. 2 heating network heater, wherein the No. 1 heating network heater is connected to the No. 1 heating network steam extraction pipeline, and the No. 2 heating network heater is connected to the No. 2 heating network steam extraction pipeline, and the No. 1 heating network steam extraction pipeline is provided with an opening and connected with a connecting pipe, and the connecting pipe is connected to the No. 1 heating network heater; The No. 2 heat network exhaust pipe is provided with an opening and is connected with a connecting pipe, and the connecting pipe is connected to the No. 2 heat network heater.

2. A system for reducing the steam inlet velocity of a heating network heater according to claim 1, characterized in that: A steam inlet butterfly valve is installed on the connecting pipe.

3. A system for reducing the steam inlet velocity of a heating network heater according to claim 2, characterized in that: The steam inlet butterfly valve is installed on the ground at a height of 12.6 meters.

4. A system for reducing the steam inlet velocity of a heating network heater according to claim 3, characterized in that: The connecting pipe is a DN900 pipe.

5. A system for reducing the steam inlet velocity of a heating network heater according to claim 4, characterized in that: The connecting pipe is connected to the drain pipe, and the drain pipe is connected to the main body drain expansion container.

Images