CN207515025U - A kind of heating energy-saving system of injector driving - Google Patents

Abstract

The utility model discloses a kind of heating energy-saving systems of injector driving, can effectively improve the utilization ratio of energy, and system mainly includes：Primary net water supply pipe, directly sprays flash tank, injector, steam heat collector, first-class heat exchanger, secondary heat exchanger, water pump, triple valve, pressure-regulating valve, nozzle, packing layer at primary net water return pipeline, and the beneficial effects of the utility model are：Can vacuum be formed by the pressure-driven injector of water supply pipe, after return water is flashed in flash tank, then by steam heat collector using its steam latent heat, so as to reduce return water temperature, it realizes that primary net supplies, the big temperature difference of return water exchanges heat, reaches and improve energy utilization and energy-efficient effect.

Description

A kind of heating energy-saving system of injector driving

Technical field

The utility model belongs to heating system and efficiently utilizes field, and in particular to a kind of low temperature driven using injector is steamed Vapour latent heat utilization system.

Background technology

With energy crisis and the getting worse of environmental problem, how efficiently, green utilization become the focuses of social concerns. China is just wideling popularize energy saving of system and is efficiently utilizing as energy big country, advocate build it is energy saving and Green Sustainable Road.For large-scale centralized heating system, under the premise of heating demand is met, system optimization measure how is taken, reduces and supplies Hot cost improves Business Economic Benefit, is one of the problem of current energy supply field is important.With the continuous development of technology, Low-temperature heat source is made full use of, designs new heating system, improves heating system load and efficiency, reduces energy totality consumption.

The heating system of injector driving can as a kind of novel heating system, can also to existing heating system into Row transformation can make primary net return water temperature drop to 35 DEG C hereinafter, low temperature heat energy can greatly be recycled, so as to improve system confession It can efficiency.In existing heating system scheme, low temperature heat energy is mainly absorbed by absorption heat pump, its energy figure is improved and is supplied Heat, but mainly taken up an area the factors such as big by initial cost and space in implementation process and restricted.Therefore, the heat supply of high-efficiency environment friendly is designed System becomes the energy shortages for solving to be faced in current heating and green ecological the very corn of a subject.

Utility model content

In order to further improve heating system efficiency, the utility model gives a kind of heating energy-saving system of injector driving System.

Technical solution provided by the utility model is：

The heating energy-saving system of a kind of injector driving, including primary net water return pipeline, Water-supplying tee joint valve, water pump, straight Connect spray flash tank, packing layer, nozzle, injector, circulating pump, steam heat collector, first-class heat exchanger, secondary heat exchanger, return water Three-way valve one, return water three-way valve two and primary net water supply pipe, the high-temperature water that primary net water supply pipe comes out pass through water supply Three-way valve is respectively connected to the input end of injector working end and secondary heat exchanger, and the injection end of injector is connected to direct spray Flash tank forms vacuum；The return water that secondary heat exchanger comes out, which enters, directly sprays flash tank, and return water is fallen on by nozzle penetrating and filled out On the bed of material, the low-pressure steam part of generation is sucked by injector, and first-class heat exchanger is entered after then being mixed with high-temperature water；Directly spray Steam in leaching flash tank enters in steam heat collector the low-temperature return water for heating user terminal, then under the action of circulating pump again It returns in directly spray flash tank；The low-temperature return water of user terminal heated in steam heat collector, first-class heat exchanger step by step after again Secondary feeding user terminal；In first-class heat exchanger complete heat exchange after return water through return water three-way valve two with from directly spray flash tank stream After the low-temperature return water mixing gone out primary net is returned to through primary net water return pipeline.

It is described directly spray flash tank in flash-off steam amount by pressure of return water pressure regulator valve one, pressure of return water pressure regulator valve two, Control is adjusted in the pressure of supply water pressure regulator valve and return water three-way valve one of injector workflow body end.

The beneficial effects of the utility model are：Injector is driven to work using the pressure of a water supply network, in low-temperature return water Side forms vacuum, and so as to generate steam, its latent heat is recycled through steam heat collector, so as to reduce primary net return water temperature, Increase effective heating demand of heating system.

Description of the drawings

Fig. 1 is the system construction drawing of the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with the accompanying drawings.

Such as Fig. 1, a kind of heating energy-saving system of injector driving, including：Primary net water return pipeline 1, Water-supplying tee joint valve 23rd, water pump 3, directly spray flash tank 4, packing layer 6, nozzle 7, injector 8, circulating pump 9, steam heat collector 10, level-one heat exchange Device 11, secondary heat exchanger 12, return water three-way valve 1, return water three-way valve 2 22 and primary net water supply pipe 13.It is described from 90 DEG C of hot water of primary net feed pipe 13 connect 8 work of 12 input end of secondary heat exchanger and injector through Water-supplying tee joint valve 23 respectively Make end；45 DEG C of hot water of 12 port of export of secondary heat exchanger spray into direct spray by one 21 one tunnel of return water three-way valve by nozzle 7 It drenches in flash tank 4, hot water flashes to 45 DEG C of steam, a steam part for flash distillation by packing layer 6 in directly spray flash tank 4 It is connected to the injection end of injector 8 by the road, is formed under the swabbing action of injector and directly sprays 45 DEG C of steam in flash tank 4 Corresponding vacuum degree, rest part steam enter in steam heat collector 10 by the road, heat the 35 DEG C of return water come from user terminal, steam Directly 4 bottom of spray flash tank is turned again to after vapour heat release under the action of circulating pump 9, directly sprays the 33 of 4 bottom of flash tank DEG C water at low temperature mixes under the action of water pump 3 through return water three-way valve 2 22 with 37 DEG C of return water from 11 port of export of first-class heat exchanger By primary 1 return water of net water return pipeline；The outlet connection first-class heat exchanger 11 of injector, is heated after the heating of steam heat collector 10 43 DEG C of user terminal return water, return to user side after being heated to 65 DEG C.By the system, by return water in primary net water return pipeline 1 Temperature is down to 35 DEG C from 45 DEG C.Flash-off steam amount passes through pressure of return water pressure regulator valve 1, return water in the directly spray flash tank 4 Pressure adjusting pressuring valve 2 52, injector workflow body end pressure of supply water pressure regulator valve 53 control is adjusted.

The heating energy-saving system of injector driving forms vacuum by injector, the latent heat in low-temperature return water is extracted Come, and exchange heat under the action of injector outlet pressures, with reference to low temperature radiation heating, realize the step profit of energy With reaching the efficient and environmentally friendly utilization to thermal energy.

Claims (2)

1. a kind of heating energy-saving system of injector driving, which is characterized in that including primary net water return pipeline（1）, Water-supplying tee joint Valve（23）, water pump（3）, directly spray flash tank（4）, packing layer（6）, nozzle（7）, injector（8）, circulating pump（9）, steam Heat collector（10）, first-class heat exchanger（11）, secondary heat exchanger（12）, return water three-way valve one（21）, return water three-way valve two （22）With primary net water supply pipe（13）, primary net water supply pipe（13）High-temperature water out passes through Water-supplying tee joint valve（23）Point Injector is not connected to it（8）Working end and secondary heat exchanger（12）Input end, injector（8）Injection end be connected to direct spray Flash tank（4）, form vacuum；Secondary heat exchanger（12）Return water out, which enters, directly sprays flash tank（4）, return water passes through nozzle （7）Penetrating falls on packing layer（6）On, the low-pressure steam part of generation is by injector（8）Sucking, then mixes laggard with high-temperature water Enter first-class heat exchanger（11）；Directly spray flash tank（4）In steam enter steam heat collector（10）It is middle to heat the low of user terminal Warm return water, then in circulating pump（9）Under the action of turn again to directly spray flash tank（4）In；The low-temperature return water of user terminal by Grade is in steam heat collector（10）, first-class heat exchanger（11）It is middle heated after be fed again into user terminal；First-class heat exchanger（11）In it is complete Into the return water after heat exchange through return water three-way valve two（22）With from directly spray flash tank（4）It is passed through after the low-temperature return water mixing of outflow Primary net water return pipeline（1）Return to primary net.

A kind of 2. heating energy-saving system of injector driving according to claim 1, which is characterized in that the direct spray Flash tank（4）Middle flash-off steam amount passes through pressure of return water pressure regulator valve one（51）, pressure of return water pressure regulator valve two（52）With injector work Make the pressure of supply water pressure regulator valve of fluid end（53）Control is adjusted.