CN211060216U

CN211060216U - Building unit heating system

Info

Publication number: CN211060216U
Application number: CN201921379630.9U
Authority: CN
Inventors: 鲁芬豹; 曹伟; 崔翔; 翟群芳; 闫梓祥; 唐文迪; 罗龙
Original assignee: WUHAN DEWN ENGINEERING TECHNOLOGY CO LTD
Current assignee: WUHAN DEWN ENGINEERING TECHNOLOGY CO LTD
Priority date: 2019-08-23
Filing date: 2019-08-23
Publication date: 2020-07-21
Anticipated expiration: 2029-08-23

Abstract

The utility model provides a building unit heating system, which comprises a heat source, wherein the heat source is sequentially connected with a plurality of building units and a plurality of heat supply buildings through pipelines; the building unit comprises a heat exchanger, a first pipeline and a second pipeline are arranged on one side of the heat exchanger, a booster pump is arranged on the first pipeline, a switching valve is arranged on the second pipeline, pipelines at two ends of the switching valve are respectively communicated with a third pipeline and a fourth pipeline, an opening and closing valve is arranged on the third pipeline, and a matched valve is arranged on the fourth pipeline; the system directly lays the primary network to the building, cancels the heating secondary network, and in addition, the heating and the domestic hot water share one set of building unit.

Description

Building unit heating system

Technical Field

The utility model relates to a heating system especially relates to a building unit heating system.

Background

The central heating system consists of three parts, namely a heat source, a heat supply network and a heat user. The heat source is responsible for the preparation of the heat medium, the heat user is a heat unit (realizing heating and/or domestic hot water), and the heat distribution network is responsible for the delivery of the heat medium. The thermal power network is further divided into a primary network and a secondary network, the primary network is also called a thermal main line, and is generally a thermal pipeline from a thermal power plant (or a regional boiler room) to each heat exchange station; the secondary network is generally referred to as the thermal line from the heat exchange station to the heat user. The traditional central heating system takes hot water as a heat carrier, and provides heating and/or domestic hot water for an area through a heat exchange station.

The traditional central heating system has the problems of large investment of a pipe network, long cycle time, high heat energy loss, serious hydraulic imbalance, high maintenance cost of the pipe network, separate design of heating and domestic hot water and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to the not enough of above-mentioned prior art, provide a building unit heating system, only lay a pipe network, area is little, has reduced the construction degree of difficulty, and reduces the system energy consumption by a wide margin.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a building unit heating system, which comprises a heat source, wherein the heat source is sequentially connected with a plurality of building units and a plurality of heat supply buildings through pipelines;

building unit includes the heat exchanger, one side of heat exchanger is equipped with first pipeline and second pipeline, be equipped with the booster pump on the first pipeline, be equipped with the diverter valve on the second pipeline, the intercommunication has third pipeline and fourth pipeline respectively on the pipeline at diverter valve both ends, install the open and close valve on the third pipeline, install supporting valve on the fourth pipeline.

Further, a fifth pipeline and a sixth pipeline are arranged on the other side of the heat exchanger, the fifth pipeline is communicated with a domestic hot water supply pipe, and the sixth pipeline is communicated with a tap water supply pipe.

Further, the third pipeline is communicated with a heating water supply pipe, and the fourth pipeline is communicated with a heating water return pipe.

Furthermore, the water outlet ends of the domestic hot water supply pipe, the heating water supply pipe and the heating water return pipe are all communicated with the heat supply building.

Further, the first pipeline is communicated with one end of the primary water supply branch pipe, the other end of the primary water supply branch pipe is communicated with one end of the primary water supply main pipe, and the other end of the primary water supply main pipe is communicated with the heat source.

Further, the second pipeline is communicated with one end of a primary water return branch pipe, the other end of the primary water return branch pipe is communicated with one end of a primary water return main pipe, and the other end of the primary water return main pipe is communicated with the heat source.

Further, a plurality of the heat supply buildings are connected in parallel.

Furthermore, a plurality of building units are connected in parallel.

The utility model has the advantages that: the system directly lays a primary network to a building, cancels a heating secondary network, and in addition, heating and domestic hot water share one set of building unit;

the scale of heat supply of a heat exchange station of a traditional heat supply system is generally 10-20 ten thousand square meters, once a fault occurs, the influence range is large, and at least 2 heat exchange systems are required to be arranged for realizing regional heating and domestic hot water; the building unit heat supply system only realizes heat supply and domestic hot water for one building unit, only influences the building when a fault occurs, and has a small related range.

Drawings

Fig. 1 is the utility model discloses a building unit heating system's schematic diagram.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

Referring to fig. 1, a building unit heating system comprises a heat source 1, wherein the heat source 1 is sequentially connected with a plurality of building units 2 and a plurality of heating buildings 3 through pipelines;

that is, a plurality of heat supply buildings 3 are connected in parallel, and a plurality of building units 2 are connected in parallel, and one heat supply building 3 is connected in series with one building unit 2 and then connected with the heat source 1.

Building unit 2 includes heat exchanger 21, one side of heat exchanger 21 is equipped with first pipeline 211 and second pipeline 212, be equipped with booster pump 22 on the first pipeline 211, be equipped with switching valve 23 on the second pipeline 212, the intercommunication has third pipeline 213 and fourth pipeline 214 respectively on the pipeline at switching valve 23 both ends, install first on-off valve 24 on the third pipeline 213, install first on-off valve 25 on the fourth pipeline 214.

The other side of the heat exchanger 21 is provided with a fifth pipeline 215 and a sixth pipeline 216, the fifth pipeline 215 is communicated with the domestic hot water supply pipe 8, and the sixth pipeline 216 is communicated with the tap water supply pipe 9.

The third pipe 213 is communicated with a heating water supply pipe 10, and the fourth pipe 214 is communicated with a heating water return pipe 11.

The water outlet ends of the domestic hot water supply pipe 8, the heating water supply pipe 10 and the heating water return pipe 11 are all communicated with the heat supply building 3.

The first pipe 211 is communicated with one end of the branch primary water supply pipe 6, the other end of the branch primary water supply pipe 6 is communicated with one end of the main primary water supply pipe 4, and the other end of the main primary water supply pipe 4 is communicated with the heat source 1.

The second pipeline 212 is communicated with one end of the primary water return branch pipe 7, the other end of the primary water return branch pipe 7 is communicated with one end of the primary water return main pipe 5, and the other end of the primary water return main pipe 5 is communicated with the heat source 1.

A building unit heating system comprises a heat source 1, a primary water supply main pipe 4, a primary water supply main pipe 5 and heat supply buildings 3, wherein one set of building unit 2 is arranged between the heat source 1 and each heat supply building 3, namely, a plurality of sets of building units 2 are arranged in the heat supply system in parallel, and the heat exchange quantity of each set of building unit is determined according to the specific conditions (heating and domestic hot water heat load, terminal form and the like) of the heat supply buildings 3. The primary water supply main pipe 4 and the primary water return main pipe 5 are connected with the building unit 2 through a primary water supply branch pipe 6 and a primary water return branch pipe 7, and the building unit 2 is connected with the heat supply building 3 through a domestic hot water supply pipe 8, a heating water supply pipe 10 and a heating water return pipe 11. The building unit 2 comprises a plate heat exchanger 21, a primary side booster pump 22, a switching valve 23, a first opening and closing valve 24, a second opening and closing valve 25, matched valves, pipes, pipe fittings and the like. The heat source 1 can be provided with a circulating pump according to the actual condition of the system.

This water charging system of heating system moisturizing sets up in heat source 1 department. The booster pump 22 of the building unit 2 is matched according to the actual condition of the heat supply building 3, and the booster pump 22 can be connected with a standby pump in parallel.

Heating seasons: the switching valve 23 is closed, the first opening and closing valve 24 and the second opening and closing valve 25 are opened, the primary network hot water enters the primary side of the plate heat exchanger 21 of the building unit through the primary water supply branch pipe 6, the primary side return water of the plate heat exchanger 21 enters the heat supply building 3 through the heating water supply pipe 10 through the first opening and closing valve 24, and heating of the building is achieved;

the heated hot water enters the primary water return main pipe 5 after passing through the heating water return pipe 11, the second opening and closing valve 25 and the primary water return branch pipe 7 in sequence;

on the other side of the plate heat exchanger 21, the tap water is supplied to the heating building 3 through the domestic hot water supply pipe 8 after being heated by the tap water supply pipe 9 and the plate heat exchanger 21, thereby satisfying the heating and domestic hot water requirements of the building.

In non-heating seasons: opening the switching valve 23, closing the first opening and closing valve 24 and the second opening and closing valve 25, allowing the primary-network hot water to enter the primary side of the plate heat exchanger 21 of the building unit through the primary water supply branch pipe 6, and allowing the primary-side return water of the plate heat exchanger 21 to enter the primary return water branch pipe 7 through the switching valve 23; on the other side of the plate heat exchanger 21, domestic hot water heated by tap water through the plate heat exchanger 21 is delivered into the heat supply building 3 through a domestic hot water supply pipe, so that the heating requirement of the building is met.

The traditional heat exchange station of the heating system has larger and more equipment, such as a centralized power (provided with a circulating pump to meet the requirement of the most unfavorable loop) and a water supplementing system (provided with a water supplementing pump, a softened water tank, a softened water device and the like) are arranged at a primary network heat source, a circulating pump (also needed to meet the requirement of the most unfavorable loop) and a water supplementing system are arranged at a heating secondary side; and the heat supply system of the building unit does not need to be provided with concentrated power at a primary network heat source, a pump is arranged in front of the building according to the actual condition of the building as required, a water supplementing system is arranged at the heat source, and the building unit is in modular design and small in size, so that convenience is brought to daily use and maintenance.

The traditional heating system has the inevitable problems of hydraulic imbalance and the like due to long-distance conveying and large heating scale, and is difficult to adjust in a targeted manner, so that the cold and heat of users are uneven; a primary network of the building unit heat supply system adopts a power distributed system, namely a booster pump is arranged on a water supply pipe in front of the building unit according to the requirements of users, so that relatively accurate heat supply is realized.

In order to ensure long-distance conveying indexes, the traditional heating system is forced to improve the heating parameters of a loop, so that the heat is hotter, and the overall heat consumption is greatly increased; and the building unit heat supply system cancels a secondary network, adopts a power distributed system in a primary network, and is provided with a booster pump according to requirements, so that the energy consumption of the system can be greatly reduced.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a building unit heating system which characterized in that: the heat supply system comprises a heat source (1), wherein the heat source (1) is sequentially connected with a plurality of building units (2) and a plurality of heat supply buildings (3) through pipelines;

building unit (2) are including heat exchanger (21), one side of heat exchanger (21) is equipped with first pipeline (211) and second pipeline (212), be equipped with booster pump (22) on first pipeline (211), be equipped with diverter valve (23) on second pipeline (212), the intercommunication has third pipeline (213) and fourth pipeline (214) respectively on the pipeline at diverter valve (23) both ends, install first open and close valve (24) on third pipeline (213), install second open and close valve (25) on fourth pipeline (214).

2. The building unit heating system of claim 1, wherein: and a fifth pipeline (215) and a sixth pipeline (216) are arranged on the other side of the heat exchanger (21), the fifth pipeline (215) is communicated with a domestic hot water supply pipe (8), and the sixth pipeline (216) is communicated with a tap water supply pipe (9).

3. The building unit heating system of claim 2, wherein: the third pipeline (213) is communicated with a heating water supply pipe (10), and the fourth pipeline (214) is communicated with a heating water return pipe (11).

4. A building unit heating system as claimed in claim 3, wherein: the water outlet ends of the domestic hot water supply pipe (8), the heating water supply pipe (10) and the heating water return pipe (11) are communicated with the heat supply building (3).

5. The building unit heating system of claim 1, wherein: the first pipeline (211) is communicated with one end of the primary water supply branch pipe (6), the other end of the primary water supply branch pipe (6) is communicated with one end of the primary water supply main pipe (4), and the other end of the primary water supply main pipe (4) is communicated with the heat source (1).

6. The building unit heating system of claim 5, wherein: the second pipeline (212) is communicated with one end of the primary water return branch pipe (7), the other end of the primary water return branch pipe (7) is communicated with one end of the primary water return main pipe (5), and the other end of the primary water return main pipe (5) is communicated with the heat source (1).

7. The building unit heating system of claim 1, wherein: the plurality of heat supply buildings (3) are connected in parallel.

8. The building unit heating system of claim 1, wherein: the building units (2) are connected in parallel.