CN201221805Y

CN201221805Y - Heat supplying system

Info

Publication number: CN201221805Y
Application number: CNU2008201086531U
Authority: CN
Inventors: 王永讯
Original assignee: BEIJING ZHONGKE FEITENG ENERGY-SAVING TECHNOLOGY Co Ltd
Current assignee: BEIJING ZHONGKE FEITENG ENERGY-SAVING TECHNOLOGY Co Ltd
Priority date: 2008-06-12
Filing date: 2008-06-12
Publication date: 2009-04-15
Anticipated expiration: 2018-06-12

Abstract

The utility model relates to a heat supply system, which comprises heat supply equipment, heat-supply tubes, heat-consuming equipment and water circulating pumps which are connected in turn. The heat supply equipment comprises a plurality of small boilers (1). Each small boiler (1) is connected with a water circulating pump (2) in series to form a branch. All branches are connected in parallel. By adopting the heat supply system, when one small boiler is stopped or started up, the water circulating pump connected with the small boiler is stopped or started up; the stopped small boiler does noe consume heat of the system any more. In a direct heat supply system, if a water mixer is added between an overall outlet pipe (4) and an overall return pipe (5), the regulation capability of the system can be improved; a water mixing valve (9) is added on a return pipe (8) on the secondary side so that adjustment can be made in a large scope on the secondary side. In an indirect heat supply system adopting a plate-type heat exchanger, the water mixing valve (9) is arranged on the overall return pipe (5), thus improving the regulation capability of the system.

Description

A kind of heating system

Technical field

The utility model relates to a kind of heating system, especially the heating system that is linked in sequence and forms by heating equipment, water circulating pump, with hot equipment and heating power pipe.

Background technology

Heating system is indispensable in people's life, work.At present the heating system of using comprise heating equipment, heating power pipe, with assemblies such as hot equipment and water circulating pumps, described heating equipment is made up of the arcola of a plurality of parallel connections, described water circulating pump is made up of the partial circulating water pump of a systemic circulation water pump or a plurality of parallel connections, and this water circulating pump is connected with heating equipment and is placed on total return pipe.This heating system is a direct supply system, and its structure as shown in Figure 1.This just makes that the arcola of cutting off also links to each other with system when the arcola stop and start, and the water circulation is still carried out, and causes the loss of system thermal.

Also have another kind of heating system on the market, it is the indirect heating system.This system comprises heating equipment, heating power pipe, with hot equipment, water circulating pump and a plate type heat exchanger, described heating equipment is made up of the arcola of a plurality of parallel connections, described water circulating pump is made up of the partial circulating water pump of a systemic circulation water pump or a plurality of parallel connections, this water circulating pump is connected with heating equipment and is placed on total return pipe, and this plate type heat exchanger is placed between total outlet pipe and the total return pipe.Though this system has adopted plate type heat exchanger, owing to water circulating pump is positioned on the return main, thereby when the arcola stop and start, the arcola of cutting off still links to each other with system, still can cause the loss of heat.

Summary of the invention

Technical problem to be solved in the utility model provides the heating system of arcola and system's disconnection that can will not move, can not make the heat of the arcola loss system of cutting off when utilizing this heating system heat supply.

For solving the problems of the technologies described above, heating system of the present utility model is linked in sequence by heating equipment, water circulating pump, with hot equipment and heating power pipe and forms, this heating power pipe comprises total outlet pipe, total return pipe, secondary side return pipe and other overflow pipe, this heating equipment comprises a plurality of arcolas, each arcola all is composed in series a branch road with a water circulating pump, adopts mode in parallel to connect between described each branch road.

The beneficial effects of the utility model are: water circulating pump is connected with each arcola, in parallel between formed each branch road, like this when the arcola stop and start, cut off the water circulating pump that is cascaded with this arcola when cutting off arcola, the arcola and the system that will stop to keep apart, avoid the water heat radiation of flowing, the heat that the arcola of cutting off can loss system.

On the basis of technique scheme, the utility model can also be done following improvement.Between total outlet pipe and total water return pipeline, install water-water jet additional, system heat sources and system pipe network are separated, improved the system coordination ability, realized that the matter accent combines with the amount phase modulation.

Further, described heating system installs mixed water valve additional on the secondary side return pipe, and when outdoor temperature changed, control system changed the aperture of valve, changes the temperature that secondary side supplies water by mixing water, thereby changes the heat of supplying with user side.

As another kind of improvement the of the present utility model, in the indirect heating system, between total delivery port and plate type heat exchanger, install mixed water valve additional.When outdoor temperature changes, can change the heat of supplying with the user by the aperture of mixing water valve.

Install mixed water valve additional, the total outlet pipe coolant-temperature gage of boiler remains unchanged, and when outdoor temperature changes, changes the high-temperature water flow that enters system pipe network by changing mixed water valve aperture, to change the heat of supplying with secondary side, reduces unnecessary thermal loss.And, by mixing the mixed water of water valve, guaranteed the constant flow of thermal source part.Mix the introducing of water valve, make that the high-temperature water flow that enters pipe network is adjustable by 0 to 100%, promptly the adjusting leeway of secondary side is very big.

Description of drawings

Fig. 1 is the direct heating system construction drawing described in the background technology.

Fig. 2 is the structure chart of the utility model heating system.

In the accompanying drawing, the list of parts of each label representative is as follows:

1, arcola, 2, water circulating pump, 3, manual balanced valve, 4, total outlet pipe, 5, total return pipe, 6, water-water jet, 7, plate type heat exchanger, 8, the secondary side return pipe, 9, mix water valve, 10, use hot equipment.

The specific embodiment

Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.

As shown in Figure 1, in the direct supply system, mainly by heating equipment, heating power pipe, with hot equipment 10, manually balanced valve 3 and water circulating pump are formed.Described heating equipment is composed in parallel by a plurality of arcolas 1, and water circulating pump is that a systemic circulation water pump or a plurality of partial circulating water pump that is connected in parallel 2 formed and be installed on total return pipe 5.When arcola 1 stop and start, because water circulating pump is installed on total return pipe 5, make the arcola of cutting off 1 not keep apart with system, the water circulation is still being carried out, and has caused the loss of heat.Total delivery port of boiler directly links to each other with the user, boiler has only a leaving water temperature, the regulative mode of system is that work is regulated with manual balanced valve 3, and each heating is regulated temperature, flow, the method for operation and running time along separate routes scientifically and rationally.

Fig. 2 is the structure chart of the utility model heating system, and each arcola 1 all is composed in series a branch road with a water circulating pump 2, adopts mode in parallel to connect between each branch road.For direct supply system, between total outlet pipe 4 and total return pipe 5, water-water jet 6 is housed, on secondary side return pipe 8, install additional and mix water valve 9.For the indirect heating system that adopts plate type heat exchanger 7, water-water jet no longer is installed, mix water valve 9 and be installed on total return pipe 5.Like this, as shown in Figure 2, when arcola 1 stop and start, cut off the water circulating pump 2 of connecting with this arcola 1 when cutting off arcola 1, the water circulation on this branch road is no longer carried out, and has avoided the loss of heat.For direct supply system, install water-water jet 6 additional, when system moved, the thermal source that can realize system separated with the pipe network of system, improves the regulating power of system, and the matter of primary side is transferred and is combined with the amount phase modulation of secondary side.Install additional and mix water valve 9, the supply water temperature of the total delivery port of boiler remains unchanged, and when outdoor temperature changes, changes the aperture of mixing water valve 9 and changes the high-temperature water flow that enters system pipe network, to change the heat of supplying with secondary side, has reduced unnecessary loss.By mixing the active adjustment of water valve 9, can satisfy the characteristic requirement of different thermic loads.

The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims

1. heating system, by heating equipment, water circulating pump, be linked in sequence and form with hot equipment, heating power pipe, this heating equipment comprises the arcola (1) of a plurality of parallel connections, it is characterized in that: each arcola (1) all is composed in series a branch road with a water circulating pump (2), adopts mode in parallel to connect between described each branch road.

2. heating system according to claim 1 is characterized in that: described heating power pipe comprises total outlet pipe (4), total return pipe (5), secondary side return pipe (8), between described total outlet pipe (4) and total return pipe (5) water-water jet (6) is housed.

3. heating system according to claim 2 is characterized in that: mixed water valve (9) is housed on described secondary side return pipe (8).

4. heating system according to claim 1, it is characterized in that: described heating power pipe comprises total outlet pipe (4), total return pipe (5), secondary side return pipe (8), between described total outlet pipe (4) and total return pipe (5), plate type heat exchanger (7) is housed, mixed water valve (9) is housed on described total return pipe (5).