CN1310315A - Heat inlet device and heat supply method of heat supply system for high rise building - Google Patents

Abstract

The heat inlet device includes heat supply network water feed pipe and water return pipe, water pump, non-return valve, butterfly valve, and user water feed pipe and water return pipe to constitute heat supply pressure system. The heat supply system features its interlocking delay static water pressure maintaining and secondary water replenishing system comprising water linked non-return valve and control pipe to the outlet port of pump; the system to match user water pipe and outdoor heat supply network water pipe; the anti-freezing protecting system for outdoor heat supply network water pipe; etc. The present invention is suitable for application in different high rise building heat supply network.

Description

The consumer heat inlet device and the heat supply method of skyscraper heating system

The invention belongs to the Heat Supply Engineering technology, specially refer to the heat supply method and the heat supply consumer heat inlet device of the heating system of skyscraper.

In the Heat Supply Engineering technology of existing skyscraper, the hydrostatic pressure that heating system is subjected to is very big, when it is connected with outdoor networking, must take into full account indoor and outdoor networking pressure condition and influence each other, the bearing capacity of radiator, and the serious system vertical misadjustment problem that increases owing to story height.For this reason, the engineers and technicians that this is professional, method for high rise building heating system employing layering heating system is divided into the several layers heating zone as Chinese patent 93118057 disclosed " multi-stage heat pipe heating method for high stored building group and system matching device " with the skyscraper heat supply.This is a kind of method of attachment of isolation type, also is heat supply method comparatively commonly used.And adopt this method, when the pressure of outdoor network circuit water pipe is lower than the hydrostatic pressure of skyscraper, upper system can directly be connected with outdoor networking by user's pressure pump, on skyscraper, increase technological layer, the force (forcing) pump of system need be installed in the technological layer, and the supporting consumer heat inlet device of its heating system is only by force (forcing) pump, control dish valve, motor and driving electric device (comprising frequency control), compositions such as heat supply inlet pipeline and water return pipeline.

In addition, in heating system, also have two-wire system, vertical-horizontal pipeline, and single two hybrid heat supply method that waits, its consumer heat inlet device adopts all equally.

Heating system to above-mentioned all skyscraper, adopt boiler heat supplying no matter be, still carbonated drink is directly mixed (fountain) or is connected indirectly, and the supplying heat sources such as central heating of the heat plant that still generates electricity, the subject matter of its existence: (1) Winter heat supply supply and return water temperature is generally 95-70 ℃, and actual motion great majority operation supply and return water temperature is at 80-60 ℃, lower by the confession backwater temperature behind the secondary heat exchange, be generally between 60-40 ℃, high rise zone at skyscraper can not guarantee that the indoor heating temperature in high district is under the lower situation of the supply and return water temperature behind the process secondary heat exchange, these method and apparatus can not be used basically for the height district of skyscraper, need independently water supplement apparatus.(2) double-water-tank system is a conventional method, and this open water system can directly be directed at boiler, (perhaps mixing hot device, carbonated drink converter), equipment oxide etches such as pipeline, radiator, maintenance cost is bigger.(3) increased technological layer on skyscraper, it is big to occupy spatial area, and the spy is a water tank, the overflow of water, and moisturizings etc. require very high to the waterproof of water tank and building, building structure etc., the investment cost of its monolithic architecture is improved.(4) for the easy fouling of heat exchanger, influence the heat exchange effect.(5) boiler of high low area (carbonated drink is mixed hot device or converter) can't be standby each other.(6) cost to the whole heating system of skyscraper obviously improves.(7) in severe winter owing to after the fault of water stops heat supply in the heat supply, easily cause for the bursting by freezing of backwater heat supply network pipeline.

The objective of the invention is at the method for the heating system of above-mentioned skyscraper and install existing deficiency, heat supply particularity and its general institute employing mode to skyscraper, provide cost low, antioxidant anticorrosive, heat exchanger is less scaling, thermal efficiency height is repaired easy care less, the heating system consumer heat inlet apparatus and method that the scope of application is bigger.

Skyscraper heating system consumer heat inlet device provided by the invention.It comprises heat supply network feed pipe 1, user's feed pipe 2, user's return pipe 3, and heat supply network return pipe 4, the filter 5 in heat supply network water supply, user's water return pipeline, circulation pressure pump 6, check-valves 7, butterfly valve 8 is characterized in that also comprising resistance balance valve 9; Bidirectional guide valve 10, pressure-reducing valve 11, waterpower interlock check-valves 12, automatic exhaust steam valve 13; Parallelly in heat supply network feed pipe and user's feed pipe be connected at least two cover water pumps, and the check-valves and the butterfly valve of series connection.Heat supply network feed pipe one tunnel through water pump to service pipe, after another road connects the resistance balance valve, receive again in two diaphragm valve imports 101, after connecing a butterfly valve again, its outlet 102 connects the heat supply network water pipe, on its control balance port 103, connect a pressure-reducing valve, receive again on the waterpower interlock non-return valve port 121, after another mouthful 122 of its waterpower interlock check-valves connects a butterfly valve, receive again on user's return pipe, and be connected on the water supply outlet of pump by pipeline on the control mouth 123 of waterpower interlock check-valves, and automatic exhaust steam valve is installed on its tube connector; The heat supply network return pipe is connected with user's return pipe and conducting.

The use skyscraper heating system heat supply method that the present invention proposes; comprise by heat supply network water pipe 1; water pump 6; check-valves 7 and butterfly valve 8; user's feed pipe 2 is formed the heat supply compression system with return pipe 3; it is characterized in that also being included in and adopt the pipeline that is connected to waterpower interlock check-valves on waterpower interlock check-valves 12 and water pump 6 outlets in the whole system; form interlocking time-delay control; guarantee the system of hydrostatic pressure height; also have by pressure-reducing valve 11; resistance balance valve 9; service pipe and outdoor hot net water pipe pressure matching system that bidirectional guide valve 10 is formed, and also have by the resistance balance valve; the bidirectional guide valve is linked pipeline constituted when the preventing the winter trouble hunting freezing protection system of outdoor heat supply network water return pipeline on the heat supply network return pipe.

The consumer heat inlet device and the heat supply method of skyscraper heating system of the present invention, be applicable to boiler heat supplying, carbonated drink is directly mixed the thermals source such as heat supply of receiving and conversion equipment between (fountain) or carbonated drink, and is particularly lower for thermal source, water temperature 60-40 ℃, the heat supply that also can directly use skyscraper.It is a kind of heating plant and the method for associated mode, promptly is fit to go up for lower water-back, keeps supplying the backwater heating system under also being fit to.Floor space is little, can not establish the required technological layer of heating to skyscraper, does not need independently water supplement apparatus, also not to water tank and buildings waterproof requirement, has reduced the investment of skyscraper.Because the method and the consumer heat inlet device of heating system of the present invention are closed-cycle systems, utilize the pressure control water pump of outdoor pipe network to avoid the low excessively cavitation erosion that causes of anhydrous idle running or hydraulic pressure, also greatly reduce boiler, or thermoconverter, pipeline, the oxide etch of the equipment in the systems such as radiator.Radiator is less scaling in the system, thermal efficiency height.Make heat supply network water supply import the pipe-line system of heat supply network backwater owing to have in the system, cause the freezing phenomenon of heat supply network water return pipeline in the time of can preventing heat supply fault in the winter time and maintenance heating system, repair and maintenance is convenient.It can be applicable to the layer-stepping of skyscraper, various different heating systems for the formula mode such as two-wire system.

Describe embodiments of the invention in detail below in conjunction with accompanying drawing.

Fig. 1 is the consumer heat inlet apparatus system principle of compositionality figure of skyscraper heating system.

Fig. 1, skyscraper heating system consumer heat inlet device be by heat supply network feed pipe 1, user's feed pipe 2, user's return pipe 3, heat supply network return pipe 4, the filter 5 in heat supply network water supply, user's water return pipeline, circulation pressure pump 6, check-valves 7, butterfly valve 8, resistance balance valve 9, bidirectional guide valve 10 (purchasing patented product earlier) pressure-reducing valve 11, waterpower interlock check-valves 12 (purchasing patented product earlier), automatic exhaust steam valve 13 grades and tube connector are formed.Parallel check-valves and the butterfly valve that is being connected at least two cover water pumps and series connection in heat supply network feed pipe and user's feed pipe, heat supply network feed pipe one tunnel through water pump to user's feed pipe, after another road connects the resistance balance valve, be connected in the bidirectional guide valve import 101, connect the heat supply network water pipe after its outlet 102 connects a butterfly valve again.On the control balance port 103 on the bidirectional guide valve, connect a pressure-reducing valve; Be connected on the waterpower interlock non-return valve port 121, other mouth 122 of its waterpower interstage valve, connect a butterfly valve after, receive again on user's return pipe.And on the control mouth 123 of waterpower interlock check-valves, be connected on the water supply outlet of pump, and upward on its tube connector automatic exhaust steam valve is installed by pipeline.The heat supply network return pipe is connected also conducting with user's return pipe by a butterfly valve or closes.

In addition, on user's feed pipe, connect, link on user's water return pipe, can be used for calling the water supply flow at family through a butterfly valve by pipe.

Adopt the skyscraper heating system method of above consumer heat inlet device, it comprises by heat supply network water pipe 1, water pump 6, check-valves 7 and butterfly valve 8, user's feed pipe 2 and return pipe 3 etc. has formed heat supply compression system to skyscraper, be characterized in this system, also having adopted waterpower interlock check-valves 12 and water pump 6, on pump outlet tube, be connected to waterpower interlock check-valves, form interlocking time-delay control, guarantee the system of hydrostatic pressure height.Also have by pressure-reducing valve 11; bidirectional guide valve 10; the system of service pipe that resistance balance valve 9 is formed and outdoor hot-water line pressure coupling; also have simultaneously to be connected to and prevent user's accident of pipeline network and during maintenance in winter, the recycling-guard system that the heat supply network water return pipeline freezes brokenly on the heat supply network return pipe by resistance balance valve, bidirectional guide valve, butterfly valve.

Skyscraper heating system consumer heat inlet device of the present invention, when water pump during to user's feed pipe pressurized water supply, waterpower interlock check-valves 12, enter its control mouth 123 at the control hydraulic pressure of drawing by exit of pump, close the mouth 122 that connects return pipe, the hydraulic pressure of control mouth 123 reduces when water pump stops, pressure of return water by valve port 122, the waterpower interstage valve is opened, at pump operation or stop, guaranteeing to have press water like this, make 102 and 103 mouthfuls of bidirectional guide valve through the mouth 103 of pressure-reducing valve 11 to the bidirectional guide valve, reach balance through behind the adjusted resistance balance again, and close this valve port 102.To guarantee the pressure matching relationship of outdoor hot-water line pressure and service pipe net.In addition, when user's pipe network breaks down and overhauls, close the online dish valve of heat supply network backwater and service pipe, adjust the pressure of resistance balance valve, the valve port 102 of bidirectional guide valve is opened conducting, hot water in the heat supply network feed pipe is through flowing into the heat supply network return pipe behind this valve, when preventing in winter user's accident of pipeline network and maintenance, and water return pipeline freezing.

Check-valves in skyscraper heating system consumer heat inlet device on each water main after pump is out of service, has guaranteed the hydraulic equilibrium between user's water supply network and the heat supply network feed pipe.Its water pump adopts the frequency control electrical configurations to realize the control of the flow and the pressure of whole heating system by the frequency that changes pump motor.

Claims (4)

1, a kind of consumer heat inlet device of skyscraper heating system, it comprises heat supply network feed pipe (1), user's feed pipe (2), user's return pipe (3), heat supply network return pipe (4), filter (5) in heat supply network water supply, user's water return pipeline, circulation pressure pump (6), check-valves (7), butterfly valve (8) is characterized in that also comprising resistance balance valve (9), bidirectional guide valve (10), pressure-reducing valve (11), waterpower interlock check-valves (12), automatic exhaust steam valve (13); Parallelly in heat supply network feed pipe and user's feed pipe be connected at least two cover water pumps, and the check-valves and the butterfly valve of series connection; Heat supply network feed pipe one tunnel through water pump to service pipe, after another road connects the resistance balance valve, receive again in the bidirectional guide valve import (101), its outlet (102) connects the heat supply network water pipe after connecing a butterfly valve again, go up pressure-reducing valve of connection in its control balance port (103), receive again on the waterpower interlock non-return valve port (121), after another mouthful (122) of its waterpower interlock check-valves connects a butterfly valve, receive again on user's return pipe; And the control mouth (123) of waterpower interlock check-valves upward is connected on the water supply outlet of pump by pipeline, and automatic exhaust steam valve is installed on its tube connector; The heat supply network return pipe is connected with user's return pipe and conducting.

2, the consumer heat inlet device of skyscraper heating system according to claim 1 is characterized in that also being included in user's return pipe and heat supply network return pipe a butterfly valve that is used to overhaul usefulness is housed.

3; the heat supply method of the consumer heat inlet device of a kind of skyscraper heating system according to claim 1; it comprises by heat supply network water pipe (1); water pump (6); check-valves (7) and butterfly valve (8); user's feed pipe (2) is formed the heat supply compression system with return pipe (3); it is characterized in that also being included in and adopt the pipeline that is connected to waterpower interlock check-valves on waterpower interlock check-valves (12) and water pump (6) outlet in the whole system; form interlocking time-delay control; guarantee the system of hydrostatic pressure height; also have by pressure-reducing valve (11); resistance balance valve (9); service pipe and outdoor hot net water pipe pressure matching system that bidirectional guide valve (10) is formed, and also have by the resistance balance valve; the bidirectional guide valve is linked pipeline constituted when the preventing the winter trouble hunting freezing protection system of outdoor heat supply network water return pipeline on the heat supply network return pipe.

4, the heat supply method of the consumer heat inlet device of a kind of skyscraper heating system according to claim 3, it is characterized in that also being included on the service pipe and connect by pipe, close through a butterfly and to link on user's return pipe, can be used for adjusting user's water supply flow system.

Images