CN204593945U - Energy storage type biogas drives compression heat pump system - Google Patents
Energy storage type biogas drives compression heat pump system Download PDFInfo
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- CN204593945U CN204593945U CN201520202731.4U CN201520202731U CN204593945U CN 204593945 U CN204593945 U CN 204593945U CN 201520202731 U CN201520202731 U CN 201520202731U CN 204593945 U CN204593945 U CN 204593945U
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Abstract
The utility model provides a kind of energy storage type biogas to drive compression heat pump system, comprise methane fuelled engine, compression cycle system and accumulating system, accumulating system comprises batteries, generator, power control, electric power storage circuit and supply line, generator is arranged on the moving runner of methane fuelled engine, and generator by electric power storage connection in batteries, batteries is connected by the startup power supply of power control and methane fuelled engine and entire machine control device power input.By arranging accumulating system, the rotational kinetic energy of methane fuelled engine can be converted into electric energy and store in batteries, can power for the startup of methane fuelled engine and the operation of entire machine control device, improve the energy utilization rate of system.
Description
Technical field
The utility model relates to biogas heat pump, is specifically related to have storage function, can provide power for the startup of biogas machine, electric energy more than needed can be supplied to other electrical equipments in bionethanation system, the efficiency of abundant raising system simultaneously.
Background technology
Along with the development of economic society, energy and environment problem more and more receives the concern of people.For reducing the consumption of primary energy in life further, and effectively alleviate environmental pressure, biogas is brought into schedule gradually as a kind of resource of great potential.Biogas self has wide material sources and is easy to get, makes full use of the advantage such as waste resource, pollution-free low emission.Biogas, can also as the fuel of power-equipment except well-known illumination, gas for kitchen use, and methane fuelled engine is exactly take biogas as the engine of fuel, and it has low emission, oligosaprobic advantage.And heat pump (the Biogas engine driven heat pump that methane fuelled engine drives, be called for short BHP) be take biogas machine as power source, drive the heating plant that heat pump runs, because heat pump generally includes compression heat pump and the large class of absorption heat pump two, then biogas drives the corresponding biogas that comprises of heat pump to drive compression heat pump system and biogas to drive absorption type heat pump system.Wherein, biogas drives compression heat pump system application comparatively extensive.
Biogas drives compression heat pump system to generally include methane fuelled engine and compression cycle system, and compression cycle system comprises compressor, condenser, expansion valve, evaporimeter and water circulating pump.Biogas is connected with methane fuelled engine by supply air line, driving methane fuelled engine works, under the drive of methane fuelled engine, compressor starts work in compression cycle system, cycle fluid is pressurizeed by compressor compresses and enters condenser releasing heat, after entering into evaporimeter absorption heat by expansion valve reducing pressure by regulating flow again, again enter into compressor, complete compression cycle.Wherein, can as the low-temperature receiver (refrigeration mode) of user's refrigeration through the chilled water of evaporator in compression cycle system.In prior art, biogas drives the operation of compression heat pump system entire machine control device to be powered by external power supply, and methane fuelled engine is also started by external power supply, simultaneously heat pump engine in running self without TRT, whole biogas drives in compression heat pump system does not have electrical storage device yet, so just make the startup of system, and in running once can utilization rate decline, be unfavorable for that the long-term efficient energy-saving of system runs.
Summary of the invention
The utility model provides a kind of energy storage type biogas to drive compression heat pump system, utilizing based on high efficiency of energy, reducing on the basis of pollutant emission, the methane fuelled engine in system is utilized to generate electricity and store electric energy, for the startup of engine and the operation of entire machine control device are powered, reduce external power supply power consumption, efficient energy-saving, improves the energy utilization rate of system.
For reaching the object solved the problems of the technologies described above, the utility model is achieved by the following technical solutions: a kind of energy storage type biogas drives compression heat pump system, comprise methane fuelled engine and compression cycle system, described methane fuelled engine is connected by transmission device with the compressor of compression cycle system, also include accumulating system, described accumulating system comprises batteries, generator, power control, electric power storage circuit and supply line, described generator is arranged on the moving runner of described methane fuelled engine, and described generator by described electric power storage connection in described batteries, described batteries is connected with the startup power input of described methane fuelled engine and the control device power input of described heat pump by power control.
Described heat pump also comprises residual neat recovering system, described residual neat recovering system comprises the jacket-cooling water heat exchanger on the cylinder sleeve being arranged on described methane fuelled engine, the flue gas heat-exchange unit be arranged in the gas extraction system of described methane fuelled engine, to connect carry out the water at low temperature plate type heat exchanger of heat exchange with jacket-cooling water heat exchanger, flue gas heat-exchange unit, described water at low temperature plate type heat exchanger has water at low temperature heat exchanger tube, described water at low temperature heat exchanger tube one end is water at low temperature entrance, and the other end is high-temperature water outlet.
Described heat pump also comprises marsh gas purifying equipment, and described marsh gas purifying equipment connection is in the biogas air inlet pipe of described methane fuelled engine.
Compared with prior art, the utility model has the following advantages and good effect:
1, the utility model energy storage type biogas drives compression heat pump system to be provided with accumulating system, the rotational kinetic energy of methane fuelled engine can be converted into electric energy and store in batteries, can power for the startup of methane fuelled engine and the operation of entire machine control device, improve the energy utilization rate of system;
2, by arranging waste-heat recovery device, waste heat in system cloud gray model can be made full use of, making it provide heating hot water in a heating mode, under refrigeration mode, domestic hot-water can also be provided, reduce energy waste;
3, by arranging marsh gas purifying equipment, the pernicious gas in biogas and impurity can effectively be removed, the discharge of decreasing pollution thing.
Accompanying drawing explanation
Fig. 1 is that the utility model embodiment energy storage type biogas drives compression heat pump system structural representation in cooling mode;
Fig. 2 is that the utility model embodiment energy storage type biogas drives compression heat pump system structural representation in a heating mode.
Detailed description of the invention
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
The present embodiment energy storage type biogas drives compression heat pump system, comprise methane fuelled engine 8, compression cycle system and accumulating system, the structure of methane fuelled engine 8 and compression cycle system is arranged with prior art routine, namely compression cycle system comprises compressor 1, condenser 4, air heat exchanger 5, expansion valve 3, evaporimeter 2 and water circulating pump 13, methane fuelled engine 8 and compressor 1 is connected by transmission device (such as driving belt), and methane fuelled engine 8 produces power utilization transmission device for compressor 1 provides power, the present embodiment accumulating system comprises batteries 11, generator 20, power control 12, electric power storage circuit 21 and supply line 22, generator 20 is arranged on the moving runner of methane fuelled engine 8, electric energy is produced by it while methane fuelled engine 8 works, and generator 20 is connected to batteries 11 by electric power storage circuit 21, the electric energy that generator 20 produces is stored in batteries 11, batteries 11 is by power control 12(such as transformer, voltage-stablizer etc.) be connected with the startup power input of methane fuelled engine 8 and heat pump entire machine control device power input, the operation of the startup and heat pump entire machine control device that are methane fuelled engine 8 is powered, and due to air heat exchanger 5, the air-supply arrangement starting power of condenser 4 and evaporimeter 2 is larger, it is still powered by external power supply 17.Methane fuelled engine 8 starts, and drives compressor 1 to start, after cycle fluid is compressed by compressor 1 in system, enters condenser 4, and then enter expansion valve 3, enter into evaporimeter 2 through its reducing pressure by regulating flow, finally return compressor 1, complete whole compression cycle.
With reference to Fig. 1, when freezing, chilled water (in Fig. 1, label 14 be chilled water backwater) is evaporimeter 2 in and refrigeration working medium heat exchange, and chilled water temperature reduction, after the heat of refrigeration working medium absorption refrigerating water, becomes steam and enter compressor 1; Methane fuelled engine 8 drives positive displacement compressor 1 pair of working medium to pressurize, and after Temperature of Working raises, enter condenser 4, by the heat exchange of condenser 4, heat working medium carried is discharged in external environment by air heat exchanger 5; Then working medium enters evaporimeter 2 through expansion valve 3 reducing pressure by regulating flow, completes kind of refrigeration cycle (in Fig. 1, label 15 is supply water to the chilled water of user).During summer, chilled water enters indoor as refrigerating medium and freezes.
For making full use of during heat pump runs the waste heat produced, economize energy, in the present embodiment, heat pump also comprises residual neat recovering system, residual neat recovering system comprises the jacket-cooling water heat exchanger 6 be arranged on the cylinder sleeve cooling device of methane fuelled engine 8, be arranged on the flue gas heat-exchange unit 9 in the gas extraction system of methane fuelled engine 8, with jacket-cooling water heat exchanger 6, the water at low temperature plate type heat exchanger of heat exchange is carried out in flue gas heat-exchange unit 9 series connection, water at low temperature plate type heat exchanger has water at low temperature heat exchanger tube 26, water at low temperature heat exchanger tube 26 one end is water at low temperature entrance 18, the other end is high-temperature water outlet 16, water at low temperature is through water at low temperature heat exchanger tube 26 and jacket-cooling water heat exchanger 6, export 16 by high-temperature water after flue gas heat-exchange unit 9 carries out heat exchange and user's life high-temperature-hot-water is provided, the flue gas of label 19 for discharging after carrying out heat exchange in Fig. 1.
Water at low temperature (running water) is after water at low temperature plate type heat exchanger is heated by the recirculated water (about 80 ~ 90 DEG C) in jacket-cooling water heat exchanger 6, again through flue gas heat-exchange unit 9, heated further by the high-temp waste gas (about 400 ~ 500 DEG C) that methane fuelled engine 8 is discharged, water temperature can reach 90 ~ 110 DEG C, and this part hot water is directly delivered to each heat user (as domestic hot-water) through the special hot water water knockout drum arranged and used.
With reference to Fig. 2, when heating, the heat in air is supplied to working medium by air heat exchanger 5 and evaporimeter 2, and working medium becomes steam and enters compressor 1 absorbs the heat in air in evaporimeter 2 after; Methane fuelled engine 8 drives positive displacement compressor 1 pair of working medium to carry out pressurization and heats up, enter condenser 4, by the heat exchange of condenser 4, heat working medium carried gives water at low temperature (in Fig. 2, label 24 is heat supply backwater), water at low temperature is more successively by jacket-cooling water heat exchanger 6 and the flue gas heat-exchange unit 9 of methane fuelled engine 8, absorb the heat in cylinder sleeve and flue gas, continue to be produced high temperature fluid for user heating or domestic hot-water (label 25 is supply water to the heat supply of user in Fig. 1) by heat temperature raising, the flue gas of label 19 for discharging after carrying out heat exchange in Fig. 2.
Further, in the present embodiment, heat pump also comprises marsh gas purifying equipment 10, marsh gas purifying equipment 10 is connected in the biogas air inlet pipe 23 of methane fuelled engine 8, the pernicious gas in biogas and impurity is effectively removed before biogas enters methane fuelled engine 8, the discharge of decreasing pollution thing, marsh gas purifying equipment 10 can adopt existing conventional marsh gas purifying equipment, and the present embodiment does not do concrete restriction to this.
The above, it is only preferred embodiment of the present utility model, be not restriction the utility model being made to other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the Equivalent embodiments of equivalent variations.But everyly do not depart from technical solutions of the utility model content, any simple modification, equivalent variations and the remodeling done above embodiment according to technical spirit of the present utility model, still belong to the protection domain of technical solutions of the utility model.
Claims (3)
1. an energy storage type biogas drives compression heat pump system, comprise methane fuelled engine and compression cycle system, described methane fuelled engine is connected by transmission device with the compressor of compression cycle system, it is characterized in that: also include accumulating system, described accumulating system comprises batteries, generator, power control, electric power storage circuit and supply line, described generator is arranged on the moving runner of described methane fuelled engine, and described generator by described electric power storage connection in described batteries, described batteries is connected with the startup power input of described methane fuelled engine and the control device power input of described heat pump by power control.
2. energy storage type biogas according to claim 1 drives compression heat pump system, it is characterized in that: described heat pump also comprises residual neat recovering system, described residual neat recovering system comprises the jacket-cooling water heat exchanger on the cylinder sleeve being arranged on described methane fuelled engine, be arranged on the flue gas heat-exchange unit in the gas extraction system of described methane fuelled engine, with jacket-cooling water heat exchanger, the water at low temperature plate type heat exchanger of heat exchange is carried out in flue gas heat-exchange unit series connection, described water at low temperature plate type heat exchanger has water at low temperature heat exchanger tube, described water at low temperature heat exchanger tube one end is water at low temperature entrance, the other end is high-temperature water outlet.
3. energy storage type biogas according to claim 1 and 2 drives compression heat pump system, and it is characterized in that: described heat pump also comprises marsh gas purifying equipment, described marsh gas purifying equipment connection is in the biogas air inlet pipe of described methane fuelled engine.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520202731.4U CN204593945U (en) | 2015-04-07 | 2015-04-07 | Energy storage type biogas drives compression heat pump system |
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| CN201520202731.4U CN204593945U (en) | 2015-04-07 | 2015-04-07 | Energy storage type biogas drives compression heat pump system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630135A (en) * | 2016-12-30 | 2017-05-10 | 南京理工大学 | UASB reactor system based on compression heat pump and method thereof |
| CN109324650A (en) * | 2018-09-30 | 2019-02-12 | 中原工学院 | Novel agricultural Ecological Greenhouse intelligent linkage system |
-
2015
- 2015-04-07 CN CN201520202731.4U patent/CN204593945U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106630135A (en) * | 2016-12-30 | 2017-05-10 | 南京理工大学 | UASB reactor system based on compression heat pump and method thereof |
| CN109324650A (en) * | 2018-09-30 | 2019-02-12 | 中原工学院 | Novel agricultural Ecological Greenhouse intelligent linkage system |
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