CN219014432U

CN219014432U - Condensed water heating system

Info

Publication number: CN219014432U
Application number: CN202223450322.5U
Authority: CN
Inventors: 李鹏
Original assignee: Dalian Fujia Dahua Petrochemical Co Ltd
Current assignee: Dalian Fujia Dahua Petrochemical Co Ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-12
Anticipated expiration: 2032-12-23

Abstract

The utility model belongs to the technical field of heating of heat exchange stations, and relates to a heating water system for supplying heat exchange stations by utilizing a condensation water system, in particular to a condensation water heating system which comprises a circulating pump and a heat exchanger group, wherein a water return pipeline of a heating water pipe network is sequentially connected with the circulating pump and the heat exchanger group and then is communicated with a water supply pipeline of the heating water pipe network, and an outgoing condensation water pipeline is connected with the heat exchanger group for exchanging heat and then is sent to a power plant; the outdoor condensate line is communicated with a water supply pipeline of the heating water pipe network through a first overline on the inlet pipe section, and the outdoor condensate line is communicated with a water return pipeline of the heating water pipe network through a second overline on the inlet pipe section. The condensed water heating system of the utility model uses the condensed water delivery pressure to heat in the heating period, thereby achieving the purposes of saving energy and reducing consumption and protecting the indoor temperature in winter to meet the normal temperature requirement of human body.

Description

Condensed water heating system

Technical Field

The utility model belongs to the technical field of heating of heat exchange stations, relates to a heating water system for supplying heat exchange stations by using a condensation water system, and particularly relates to a condensation water heating system.

Background

The heat exchange station is required to be put into operation due to heating requirements in winter, a heating water system is required to be continuously operated in all winter, and meanwhile, operations such as important check of stations, daily maintenance machine pump, water supplementing and the like are carried out, so that electricity and water are wasted, the running maintenance cost is increased, and the running burden of the heat exchange station is heavy.

Disclosure of Invention

According to the defects of the prior art, the utility model aims to provide a condensate water heating system, wherein a condensate water system is led out of a main heating water pipeline, and a condensate water system is led out of return heating water and is combined with external water supply of the condensate water system, so that the purpose of saving electric energy is achieved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the condensed water heating system comprises a circulating pump and a heat exchanger group, wherein a water return pipeline of a heating water pipe network is sequentially connected with the circulating pump and the heat exchanger group and then is communicated with a water supply pipeline of the heating water pipe network, and an external condensed water supply pipeline is connected with the heat exchanger group for heat exchange and then is externally supplied to a power plant; the outdoor condensate line is communicated with a water supply pipeline of the heating water pipe network through a first overline on the inlet pipe section, and the outdoor condensate line is communicated with a water return pipeline of the heating water pipe network through a second overline on the inlet pipe section.

Further, the heat exchanger group comprises a plate heat exchanger and a high-temperature device, and a water return pipeline of the heating water pipe network is sequentially connected with the circulating pump, the plate heat exchanger and the high-temperature device and then is communicated with a water supply pipeline of the heating water pipe network.

Further, the inlet pipe section of the outgoing condensate line is connected with the heat exchanger group through a first branch and a second branch, the first branch is sequentially connected with the high-temperature device and the plate heat exchanger, the outlet pipe section of the outgoing condensate line is connected with the plate heat exchanger through the outlet of the plate heat exchanger, the second branch is connected with the plate heat exchanger, the outlet pipe section of the outgoing condensate line is connected with the outlet pipe section of the outgoing condensate line through the outlet of the plate heat exchanger, and the outlet pipe section of the outgoing condensate line sends condensate to a power plant.

Further, the inlet pipe section and the outlet pipe section of the condensed water sending pipeline are connected through a connecting pipeline, and a valve for sending condensed water to a power plant boundary area is arranged on the connecting pipeline.

Further, the inlet pipe section and the outlet pipe section of the outgoing condensate line are respectively connected with the steam condensate line.

Further, an electric regulating valve is arranged at the position where the inlet pipe section of the outgoing condensate line is connected with the heat exchanger group.

Further, a water return valve is arranged on the water return pipeline of the heating water pipe network, and a water supply valve and a front pump valve are arranged on the water supply pipeline of the heating water pipe network.

Further, a first line valve is arranged on the first line, and a second line valve is arranged on the second line.

Further, the outgoing condensate line is provided with a condensate system primary valve and a condensate system secondary valve on the inlet pipe section, and the condensate system primary valve and the condensate system secondary valve are respectively located in the front and the rear of the first cross line.

Further, the water return pipeline of the heating water pipe network is connected with a water supplementing pipeline, and the water supplementing pipeline is connected with a water supplementing pump and a water pool.

The beneficial effects of the utility model are as follows: the condensed water heating system of the utility model uses the condensed water delivery pressure to heat in the heating period, thereby achieving the purposes of saving energy and reducing consumption and protecting the indoor temperature in winter to meet the normal temperature requirement of human body.

Drawings

FIG. 1 is a process flow diagram of a condensate water heating system;

in the figure: 1. the circulating pump, 2, the plate heat exchanger, 3, the high-temperature device, 4, the heating water pipe net water return pipeline, 5, the heating water pipe net water supply pipeline, 6, the outgoing condensate water pipeline, 6.1 inlet pipe sections, 6.2 outlet pipe sections, 6.3 connecting lines, 6.4 first branch, 6.5 second branch, 7, first cross line, 8, second cross line, 9, water supplementing pipeline, 10, water supplementing pump, 11, pond, 12, outgoing condensate water to power plant boundary section valve, 13, steam condensate water pipeline, 14, electric regulating valve, 15, water return valve, 16, pump front valve, 17, water supply valve, 18, first cross line valve, 19, second cross line valve, 20, condensate water system primary valve, 21 condensate water system secondary valve, A, outgoing condensate water to power plant, B, softened water.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

Referring to fig. 1, a condensate water heating system comprises a circulating pump 1 and a heat exchanger group, wherein a water return pipeline 4 of a heating water pipe network is sequentially connected with the circulating pump 1 and the heat exchanger group and then is communicated with a water supply pipeline 5 of the heating water pipe network, and an external condensate water supply pipeline 6 is connected with the heat exchanger group for heat exchange and then is externally sent to a power plant; the outgoing condensate line is connected to the water supply line 5 of the heating water line network via a first crossover line 7 on the inlet line section 6.1, and is connected to the water return line 4 of the heating water line network via a second crossover line 8 on the inlet line section 6.2.

Further, the heat exchanger group comprises a plate heat exchanger 2 and a high-temperature device 3, and a heating water pipe network water return pipeline 4 is sequentially connected with the circulating pump 1, the plate heat exchanger 2 and the high-temperature device 3 and then is communicated with a heating water pipe network water supply pipeline 5.

Further, the inlet pipe section 6.1 of the outgoing condensate line is connected with the heat exchanger group through a first branch 6.4 and a second branch 6.5, the first branch 6.4 is sequentially connected with the high-temperature device 3 and the plate heat exchanger 2, the outlet of the plate heat exchanger 2 is connected to the outlet pipe section 6.2 of the outgoing condensate line, the second branch 6.5 is connected with the plate heat exchanger 2, the outlet of the plate heat exchanger 2 is connected to the outlet pipe section 6.2 of the outgoing condensate line, and the outlet pipe section 6.2 of the outgoing condensate line is used for delivering the condensate to a power plant.

Further, the inlet pipe section 6.1 and the outlet pipe section 6.2 of the condensate outlet pipeline are connected through a connecting pipeline 6.3, and the connecting pipeline 6.3 is provided with a condensate outlet valve 12 for sending condensate to a power plant boundary region.

Further, the inlet pipe section 6.1 and the outlet pipe section 6.2 of the outgoing condensate line are connected to a steam condensate line 13, respectively.

Further, an electric regulating valve 14 is arranged at the position where the inlet pipe section 6.1 of the outgoing condensate line is connected with the heat exchanger group. As shown in the figure, the electrically modulated actuation is on clockwise.

Further, a water return valve 15 and a front pump valve 16 are arranged on the water return pipeline 4 of the heating water pipe network, and a water supply valve 17 is arranged on the water supply pipeline 5 of the heating water pipe network.

Further, a first crossover valve 18 is arranged on the first crossover 7, and a second crossover valve 19 is arranged on the second crossover 8.

Further, the outgoing condensate line is provided with a condensate system primary valve 20 and a condensate system secondary valve 21 on the inlet pipe section 6.1, and the condensate system primary valve 20 and the condensate system secondary valve 21 are respectively located in the front and rear of the first crossover 7.

Further, the heating water pipe net water return pipeline 4 is connected with a water supplementing pipeline 9, and the water supplementing pipeline 9 is connected with a water supplementing pump 10 and a water pool 11. The water supplementing pump 10 and the circulating pump 1 are arranged in parallel, and can be started at the same time or used for standby.

Under normal conditions, the external pressure of condensed water in a boundary area of a device is about 0.6MPa, a main pipeline is DN300 and PN2.0, the maximum flow rate is about 2000t under the condition of 10m/s, the external flow rate of the condensed water in an actual site is about 100t, the external flow rate from a pipeline behind a primary valve of a condensed water system to the power plant is too small, a secondary valve of the condensed water system is closed to a site pressure gauge and is about 0.6MPa, the pressure behind the secondary valve of the condensed water system is about 0.1MPa, the condensed water is cut into a heat exchange station system, and the concrete construction is that (1) a DN80 pipeline is arranged between a water supply system of the heat exchange station and the condensed water system and is provided with a cross line valve for controlling the condensed water to cut into the heat exchange station system, (2) a DN80 pipeline is arranged between the water supply system and the condensed water system before a circulating pump is fed into the heat exchange station and is provided with a cross line valve for controlling the temperature of the heat exchange station. Heating is performed through the pressure of the condensed water, so that the operation of a pump is reduced, the operation of electric energy is saved, the maintenance cost is reduced, and the purposes of energy conservation and consumption reduction are achieved.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

The foregoing list is only the preferred embodiments of the present utility model. Obviously, the utility model is not limited to the above embodiments, but many variations are possible. All modifications directly derived or suggested to one skilled in the art from the present disclosure should be considered as being within the scope of the present utility model.

Claims

1. The utility model provides a condensate water supplies heating system which characterized in that: the system comprises a circulating pump and a heat exchanger group, wherein a water return pipeline of a heating water pipe network is sequentially connected with the circulating pump and the heat exchanger group and then is communicated with a water supply pipeline of the heating water pipe network, and an outgoing condensation water pipeline is connected with the heat exchanger group for heat exchange and then is sent to a power plant; the outdoor condensate line is communicated with a water supply pipeline of the heating water pipe network through a first overline on the inlet pipe section, and the outdoor condensate line is communicated with a water return pipeline of the heating water pipe network through a second overline on the inlet pipe section.

2. The condensate heating system of claim 1, wherein: the heat exchanger group comprises a plate heat exchanger and a high-temperature device, and a water return pipeline of the heating water pipe network is sequentially connected with the circulating pump, the plate heat exchanger and the high-temperature device and then is communicated with a water supply pipeline of the heating water pipe network.

3. A condensate water heating system as claimed in claim 2, wherein: the inlet pipe section of the outgoing condensate line is connected with the heat exchanger group through a first branch and a second branch respectively, the first branch is sequentially connected with the high-temperature device and the plate heat exchanger, an outlet pipe section of the outgoing condensate line is connected to the outlet of the plate heat exchanger, the second branch is connected with the plate heat exchanger, an outlet pipe section of the outgoing condensate line is connected to the outlet pipe section of the outgoing condensate line through the outlet of the plate heat exchanger, and the outlet pipe section of the outgoing condensate line is used for delivering condensate to a power plant.

4. A condensate water heating system as claimed in claim 3, wherein: the inlet pipe section and the outlet pipe section of the condensate water sending pipeline are connected through a connecting pipeline, and a valve for sending condensate water to a power plant boundary area is arranged on the connecting pipeline.

5. A condensate water heating system as claimed in claim 3, wherein: and the inlet pipe section and the outlet pipe section of the external condensate line are respectively connected with the steam condensate line.

6. The condensate heating system of claim 1, wherein: an electric regulating valve is arranged at the position where the inlet pipe section of the outgoing condensate line is connected with the heat exchanger group.

7. The condensate heating system of claim 1, wherein: the water return valve is arranged on the water return pipeline of the heating water pipe network, and the water supply valve and the front pump valve are arranged on the water supply pipeline of the heating water pipe network.

8. The condensate heating system of claim 1, wherein: the first line is provided with a first line valve, and the second line is provided with a second line valve.

9. The condensate heating system of claim 1, wherein: the outlet condensate line is provided with a condensate system primary valve and a condensate system secondary valve on the inlet pipe section, and the condensate system primary valve and the condensate system secondary valve are respectively positioned on the front path and the rear path of the first cross line.

10. The condensate heating system of claim 1, wherein: the water return pipeline of the heating water pipe network is connected with a water supplementing pipeline, and the water supplementing pipeline is connected with a water supplementing pump and a water pool.