CN211451136U

CN211451136U - Heat exchange system for heat supply first station drain pipe network

Info

Publication number: CN211451136U
Application number: CN201922409680.3U
Authority: CN
Inventors: 岳建楠; 洪涛; 刘建华; 王爱民; 李超; 靳芳; 周国峰; 李媛; 邹萌
Original assignee: Shandong Huadian Energy Saving Technology Co ltd
Current assignee: Shandong Huadian Energy Saving Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-09-08
Anticipated expiration: 2029-12-28

Abstract

The utility model belongs to thermoelectric application equipment field especially relates to a heat supply heat transfer system for first station drain pipe network. Including first heat exchanger and with the second heat exchanger of first heat exchanger intercommunication, be provided with the drainage inlet pipe on the first heat exchanger, be provided with the drainage exit tube on the second heat exchanger, still be provided with the inlet tube on the first heat exchanger, be provided with the outlet pipe on the second heat exchanger, drainage exit tube and inlet tube intercommunication, outlet pipe and drainage pipe network intercommunication, still be provided with first outlet pipe on the first heat exchanger, first outlet pipe and outlet pipe intercommunication, through the water service pipe intercommunication between first heat exchanger and the second heat exchanger, be provided with the second outlet pipe between water service pipe and the outlet pipe, the utility model discloses an add and establish before the drainage pipe network, the effectual hydrophobic temperature that has reduced, and then reduced the cavitation surplus, increased the lectotype scope of pump, reduce the equipment investment, reduce the civil engineering expense.

Description

Heat exchange system for heat supply first station drain pipe network

Technical Field

The utility model belongs to thermoelectric application equipment field especially relates to a heat supply heat transfer system for first station drain pipe network.

Background

The first steam-water heat exchange station is a core component of a resident heating system. The first steam-water heat exchange station is usually matched with a thermal power plant, and steam generated and applied by a steam turbine of the thermal power plant is reused to heat primary circulating water. The steam pressure of the power generation cycle of the thermal power plant is strong, the temperature is high, the temperature of the hydrophobic water formed after heat exchange is also high, the cavitation erosion allowance of the whole hydrophobic pipe network is large, the operation and maintenance cost of the whole hydrophobic pipe network is high, and the operation cost of a power supply company is increased.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell heat transfer first station drain pipe net exists, provide a reasonable in design, simple structure and can effectively reduce drain pipe net operation and maintenance cost's heat transfer system for heat supply first station drain pipe net.

In order to achieve the purpose, the technical proposal adopted by the utility model is that the utility model provides a heat exchange system for a heat supply head station drain pipe network, which comprises a first heat exchanger and a second heat exchanger communicated with the first heat exchanger, a drain inlet pipe is arranged on the first heat exchanger, a drain outlet pipe is arranged on the second heat exchanger, the first heat exchanger is also provided with a water inlet pipe, the second heat exchanger is provided with a water outlet pipe, the drain outlet pipe is communicated with the water inlet pipe, the water outlet pipe is communicated with the drain pipe network, the first heat exchanger is also provided with a first water outlet pipe, the first water outlet pipe is communicated with the water outlet pipe, the first heat exchanger is communicated with the second heat exchanger through a water pipe, and a second water outlet pipe is arranged between the water service pipe and the water outlet pipe, and control water valves are arranged on the water inlet pipe, the drainage outlet pipe, the water outlet pipe, the first water outlet pipe, the second water outlet pipe and the water service pipe.

Preferably, the first heat exchanger and the second heat exchanger both comprise heat exchanger bodies, baffles are arranged in the heat exchanger bodies and are arranged in a staggered mode at intervals, the heat exchanger bodies are divided into S-shaped channels by the baffles, heat exchange tubes are further arranged on the heat exchanger bodies and are communicated with a drain water inlet tube and a water service tube or the water service tube and a drain water outlet tube, and the heat exchange tubes are arranged in an S-shaped mode along the baffles.

Preferably, the heat exchange tube is provided in a flat rectangular parallelepiped shape.

Preferably, the tube wall of the heat exchange tube is provided with a groove along the long edge direction.

Preferably, the groove has a triangular cross section.

Preferably, the water inlet pipe is at least communicated with two heat exchange pipes arranged in parallel.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a heat supply first station is heat transfer system for drain pipe network establishes before the drain pipe network through adding, the effectual hydrophobic temperature that has reduced, and then has reduced the cavitation surplus, has increased the lectotype scope of pump, reduces the equipment investment, reduces the civil engineering expense.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

FIG. 1 is a schematic structural diagram of a heat exchange system for a heat supply primary station hydrophobic pipe network provided in embodiment 1;

FIG. 2 is a schematic structural view of a heat exchange tube provided in example 1;

in each of the above figures, 1, a first heat exchanger; 2. a first heat exchanger; 3. a drainage inlet pipe; 4. a water pipe; 5. a drain pipe; 6. a water inlet pipe; 7. a water outlet pipe; 8. a first water outlet pipe; 9. a second water outlet pipe; 10. controlling a water valve; 11. a partition plate; 12. a heat exchange pipe; 13. and (4) a groove.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 and 2, this embodiment is directed to reducing the temperature of the drain water when entering the drain pipe network, and for this reason, the heat exchange system for the drain pipe network at the heat supply initial station provided by this embodiment includes a first heat exchanger 1 and a second heat exchanger 2 communicated with the first heat exchanger 1, in this embodiment, two heat exchangers are provided, mainly considering that the drain water has no effect before reuse, and the heat exchange of the two heat exchangers is utilized, and after the temperature of the drain water is reduced, the drain water can be reused as heat exchange water, for this purpose, two heat exchangers are provided, wherein a drain water inlet pipe 3 is provided on the first heat exchanger 1, a drain water outlet pipe 5 is provided on the second heat exchanger 2, the first heat exchanger 1 and the second heat exchanger 2 are communicated through a water pipe 4, considering that the first heat exchange certainly requires an external water source, and the water after two heat exchanges may not satisfy the heat exchange needs, the heat exchanger can only enter a drain pipe network, therefore, a water inlet pipe 6 is further arranged on the first heat exchanger 1, a water outlet pipe 7 is arranged on the second heat exchanger 2, the water outlet pipe 7 is communicated with the drain pipe network, and in order to enable the heat-exchanged drain to be reused as heat exchange water, the drain outlet pipe 5 is communicated with the water inlet pipe 6.

In consideration of the situation that heat exchange water is possibly utilized, a first water outlet pipe 8 is further arranged on the first heat exchanger 1 and communicated with a water outlet pipe 7, so that the heat exchange water passing through the first heat exchanger 1 directly enters a drain pipeline for use, and in consideration of the fact that the water passing through the second heat exchanger 2 possibly cannot be used as heat exchange water, for this purpose, a drain outlet pipe 5 is communicated with the water outlet pipe 7, and drain water after heat exchange of the second heat exchanger 2 directly enters a drain pipe network. Considering the situation that the water may be drained for use at a certain temperature, a second water outlet pipe 9 is arranged between the water through pipe 4 and the water outlet pipe 7, so that the drained water passing through the first heat exchanger 1 directly enters the water drainage pipe network, and certainly, in order to realize control of the water inlet pipe 6, the water drainage outlet pipe 5, the water outlet pipe 7, the first water outlet pipe 8, the second water outlet pipe 9 and the water through pipe 4, the control water valves 10 are arranged on the water drainage outlet pipe 5, and the control water valves 10 are used for controlling whether the drained water passing through the second heat exchanger 2 directly enters the water drainage pipe network or is used as heat exchange water.

In order to improve the heat exchange efficiency of the heat exchanger, in this embodiment, a heat exchanger is also specially provided, specifically speaking, the first heat exchanger 1 and the second heat exchanger 2 both include a heat exchanger body, the internal baffle 11 that is provided with of heat exchanger, baffle 11 interval crisscross setting from top to bottom, baffle 11 cuts apart the heat exchanger body like this and is the S type passageway, the purpose that sets up like this, provide the area of flowing through of heat exchange water, ensure heat transfer effect, still be provided with heat exchange tube 12 at the heat exchanger body, heat exchange tube 12 and drainage advance pipe 3 and water service pipe 4 or water service pipe 4 and drainage exit tube 5 intercommunication, i.e. heat exchange tube 12 is the drain pipe of heat exchanger, and similarly, in order to improve heat exchange efficiency, heat exchange tube 12 is the S type.

In order to further improve the heat exchange efficiency, in the present embodiment, the heat exchange tubes 12 are provided in a flat rectangular parallelepiped shape. The heat exchange tube 12 is designed to be flat, so that the heat exchange area of the heat exchange tube in a unit space is larger than the air exchange area of a round tube, the heat exchange effect is further ensured, and a groove 13 is formed in the tube wall of the heat exchange tube 12 along the long edge direction in order to further increase the heat exchange area. For convenience of processing, the grooves 13 are triangular in cross section.

In order to further improve the heat exchange effect, the drain inlet pipe 3 and the water through pipe 4 or the water through pipe 4 and the drain outlet pipe 5 are at least communicated with two heat exchange pipes 12 arranged in parallel, in the embodiment, 3 heat exchange pipes 12 arranged in parallel are arranged, and the drain is further divided through the arrangement of a plurality of heat exchanges, so that the purpose of high-efficiency heat exchange is achieved.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a heat supply first station is heat transfer system for drain pipe network, its characterized in that, including first heat exchanger and with the second heat exchanger of first heat exchanger intercommunication, be provided with the drainage inlet pipe on the first heat exchanger, be provided with the drainage exit tube on the second heat exchanger, still be provided with the inlet tube on the first heat exchanger, be provided with the outlet pipe on the second heat exchanger, drainage exit tube and inlet tube intercommunication, outlet pipe and drain pipe network intercommunication, still be provided with first outlet pipe on the first heat exchanger, first outlet pipe and outlet pipe intercommunication, through the water service pipe intercommunication between first heat exchanger and the second heat exchanger, be provided with the second outlet pipe between water service pipe and the outlet pipe, all be provided with the control water valve on inlet tube, drainage exit tube, outlet pipe, first outlet pipe, second outlet pipe and the water service pipe.

2. The heat exchange system for the heat supply head station hydrophobic pipe network as claimed in claim 1, wherein the first heat exchanger and the second heat exchanger both comprise heat exchanger bodies, partition plates are arranged in the heat exchanger bodies, the partition plates are arranged at intervals in a staggered mode, the partition plates divide the heat exchanger bodies into S-shaped channels, the heat exchanger bodies are further provided with heat exchange pipes, the heat exchange pipes are communicated with a hydrophobic water inlet pipe and a hydrophobic water inlet pipe or a hydrophobic water inlet pipe and a hydrophobic water outlet pipe, and the heat exchange pipes are arranged in an S-shaped mode along the partition plates.

3. The heat exchange system for the heat supply primary station hydrophobic pipe network as claimed in claim 2, wherein the heat exchange pipe is arranged in a flat rectangular parallelepiped shape.

4. The heat exchange system for the heat supply primary station hydrophobic pipe network as claimed in claim 3, wherein the pipe wall of the heat exchange pipe is provided with grooves along the long side direction.

5. The heat exchange system of claim 4, wherein the grooves are triangular in cross section.

6. The heat exchange system for the heat supply primary station hydrophobic pipe network as claimed in claim 5, wherein the water inlet pipe is at least communicated with two parallel heat exchange pipes.