CN208312551U - Water temperature adjustment is mixed every pressure device - Google Patents

Abstract

The utility model discloses a kind of mixed water temperature adjustments every pressure device, including crossing over pipe and balance pipe every pressure station, mixed water, the mixed water is connected to across pipe every pressure station water inlet pipe and between the outlet pipe of pressure station, the tie point of outlet pipe and mixed water across pipe is the mixed water spot that supplies water, the mixed water spot that supplies water is connected with each user's heat exchange station of primary side, each user's heat exchange station backwater end of primary side connects primary side return pipe, and the balance pipe is connected on the inside of the mixed water spot of water supply between outlet pipe and primary side return pipe；The mixed water is crossed on pipe and balance pipe and is respectively equipped with valve.Mixed water temperature adjustment is every pressure device relative to conventional every pressure device, the pressure of pipe network can not only be reduced, West supply water temperature is also adjustable to be consistent with East supply water temperature, convenient for unified operational management, boiler blow-down water temperature is reduced after the return water of West can be made full use of to mix with the part return water every pressure device again, improves the efficiency of boiler.

Description

Water temperature adjustment is mixed every pressure device

Technical field

The utility model relates to heating power heating systems technology field, a kind of mixed water temperature adjustment is related in particular to every pressure device.

Background technique

In recent years, with the fast development of urban construction, atmosphere pollution is also got worse, and in order to reduce disposal of pollutants, is subtracted Few energy consumption, many cities have all carried out removing dispersion arcola progress central heating, or are incorporated to original Integrated mining technology, make Heat supply network constantly increases, but it is too big often to will appear due to topography high-land difference, causes original heating system, heating equipment super Pressure problem need to build one every pressure device in the suitable position of heating system, reduce heat supply to guarantee heating system safe operation The operating pressure of system realizes safe operation.

Urumchi Hua Yuan Thermal Dynamics, Inc. in 2014 is to solve the road Guan Yuan periphery newly-built community and nearby residents For heat problem, build the road Liao Guanyuan central heating stations and build 5,000,000 square metres of heating areas of long term planning, heating plant builds position Setting height above sea level is 900m, is 953m for thermal region extreme higher position height above sea level, extreme lower position height above sea level is 826m, primary to manage It is DN1000 that net, which additionally arranges maximum caliber by 1.6MPa,.Extreme higher position caliber DN500, extreme lower position caliber be DN700. engineering in Whole pipelines additionally arrange completion within 2015, and have partially carried out heat supply, and this year is connected to the newly-built community outside heating network region again 350000 square metres require grid-connected heat supply, and subdistrict position height above sea level is 1020m, if direct grid-connected will make entire heating system Difference reach 194m, static pressure is to be up to 1.9MPa, makes heating system minimum point superpressure 0.3MPa, if at runtime to protect Card highest point is not gasified, then improving 0.2MPa will make heating system pressure increase to 2.1MPa, therefore in order to guarantee heat supply system System safe operation must just reduce the pressure of heating system.

Since heating system east and west sides pressure difference is too big, it is necessary to separate heating system, being divided into heat source east side one is It is referred to as East system, one, heat source west side system claims West system.How system to be separated, if it is dedicated that boiler is divided into East Dedicated with West, East is for East, and West is not only simple but also solve stress problems for West, although can be protected using boiler subregion Card east, West supply water temperature are unified, are convenient for United Dispatching, but thermal energy cannot be supplied mutually, can only East for East West for West, also Stand-by boiler increase investment must be increased.Using relatively good but it cannot be guaranteed that eastern come separated east, West heating system every pressure device Two side system of West keeps consistent supply water temperature, is not easy to unified operational management flow adjustment.Using setting every pressure device Scheme, and the supply water temperature in east, west two sides can be adjusted by the way of mixed water temperature adjustment, reach two sides supply water temperature Unanimously.

Utility model content

In order to solve the above technical problems, the utility model provides a kind of mixed water temperature adjustment every pressure device, including stands every pressure, it is described It is equipped with heat exchanger every pressure station, heat exchanger carries out heat exchange, shape the high-temperature-hot-water of boiler is entered the water entered with secondary side At a heating system and secondary heating system, mixed water temperature adjustment further includes mixed water across pipe and balance pipe every pressure device, described mixed Water is connected to across pipe every pressure station water inlet pipe and between the outlet pipe of pressure station, and the tie point of outlet pipe and mixed water across pipe is to supply water Mixed water spot, the mixed water spot that supplies water are connected with each user's heat exchange station of primary side, and each user's heat exchange station backwater end of primary side connects primary side Return pipe, the balance pipe are connected on the inside of the mixed water spot of water supply between outlet pipe and primary side return pipe；The mixed water crosses over pipe With valve is respectively equipped on balance pipe.

It, all can be using every pressure device, conventional heating power to can solve pressure reduction problem in general big height difference heating system It is substantially all as our common heat exchange station every pressure device and the high-temperature-hot-water of boiler is entered into heat exchanger and secondary side entrance The water of heat exchanger carries out heat exchange, forms a heating system and secondary heating system, is separated two systems using heat exchanger, Guarantee that two systems are run under respective operating pressure again.But often there is certain temperature difference in primary side and secondary side, and one As have 10~20 DEG C of differences.In operation, east and west sides because supply water temperature it is different, when planning management just must under it is different One net supply water temperature, a different net circular flows, influence unified planning management.Mixed water temperature adjustment can be very good to solve every pressure device Certainly this problem.The return water of one net side of heat exchanger is mixed with the water supply of a net again, utilizes the hot water of two kinds of different temperatures The allotment for carrying out flow reaches required supply water temperature.

Mixed water temperature adjustment every pressure device relative to conventional every pressure device, the pressure of pipe network can not only be reduced, moreover it is possible to adjust west Area's supply water temperature is consistent with East supply water temperature, convenient for unified operational management, and can make full use of the return water of West with every Boiler blow-down water temperature is reduced after the part return water mixing of pressure device, improves the efficiency of boiler.

Detailed description of the invention

Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.

Fig. 1 is a kind of mixed water temperature adjustment of the utility model every pressure device systems of distributed heating systems schematic diagram；

Fig. 2 is conventional every pressure device heat supply schematic diagram.

Specific embodiment

It is conventional to enter as shown in Fig. 2, working as secondary side low-temperature return water and entering heat exchanger with the water supply of primary side high temperature every pressure device Heat exchanger becomes secondary side water supply after carrying out heat exchange, is recycled to each user's heat exchange station of secondary side from flowing out every pressure device, and one Secondary side high temperature, which supplies water, to carry out becoming primary side return water after heat exchanges with secondary side return water, conventional often to make its time every pressure device It is heated to boiler.

As shown in Figure 1, the utility model mixes valve of the water temperature adjustment every pressure device by adjusting AB section of valve and CD section, control System enters mixed water across pipe and every the flow of pressure heat-exchanger rig (using plate heat-exchange station device), by the adjustment of flow so that West Supply water temperature is consistent with East supply water temperature, achievees the purpose that mixed water temperature adjustment.

In Fig. 1,1,2,3,4,5,6 be heat exchange station (heat exchanger), and AB pipe 7 is mixed water across pipe, and CD pipe 8 is balance pipe, B, D Point is respectively confession, the mixed water spot of return water, and 11 be water circulating pump, and 10 be heat source, is to mix water temperature adjustment every pressure device shown in dotted line in figure 9。

In Fig. 2,1,2,3 be heat exchange station, and 12 is stand every pressure, and 13 be water circulating pump, and 14 be heat source.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims (1)

1. a kind of mixed water temperature adjustment is stood every pressure device, including every pressure, described to be equipped with heat exchanger every pressure station, heat exchanger is used for the height of boiler Warm water enters the water entered with secondary side and carries out heat exchange, forms a heating system and secondary heating system, feature exist In, further include mixed water across pipe and balance pipe, the mixed water across pipe be connected to every pressure station water inlet pipe and every pressure station outlet pipe it Between, the tie point of outlet pipe and mixed water across pipe is the mixed water spot that supplies water, and the mixed water spot that supplies water is connected with each user's heat exchange station of primary side, Each user's heat exchange station backwater end of primary side connects primary side return pipe, and the balance pipe is connected to outlet pipe on the inside of the mixed water spot of water supply Between primary side return pipe；The mixed water is crossed on pipe and balance pipe and is respectively equipped with valve.