CN205690744U - A high temperature steam heat pump system - Google Patents

Abstract

The utility model discloses a high-temperature steam heat pump system, which comprises a heat pump unit, a heat-preservation and pressure-stabilization liquid storage barrel and a steam generator which are connected by pipelines; the heat pump unit comprises a main heat pump and an auxiliary heat pump, the main heat pump heats water in the heat-preservation and pressure-stabilization liquid storage barrel to obtain a hot water point for supplying hot water and a steam generator; the steam generator further heats the hot water flowing in under the action of the auxiliary heat pump to generate high-temperature steam for supplying a steam point. The water cooled by the hot water spot and the steam spot flows back to the heat-preservation and pressure-stabilization liquid storage barrel, and circulating pumps are respectively arranged on pipelines connected with the main heat pump and the steam generator of the heat-preservation and pressure-stabilization liquid storage barrel to form water circulation. The utility model discloses can improve hydrothermal boiling point in the system through adjusting stock solution bucket internal pressure to through increasing steam system on this basis, further promote the temperature, and then produce high temperature water and high temperature steam, make heat pump system can be applicable to multiple high temperature demand occasion.

Description

A high temperature steam heat pump system

technical field

The utility model relates to the technical field of heat pumps, in particular to a high-temperature steam heat pump system capable of generating high-temperature water and high-temperature steam.

Background technique

Heat pump technology is an energy-saving, environmentally friendly, safe, and efficient energy utilization technology developed based on the reverse Carnot cycle principle. It obtains low-temperature heat from air or water, and it becomes a high-temperature energy after the power-driven compressor system works efficiently and collects heat. Heat source, used to take (supply) heat or supply hot water. Heat pump is a new generation of heating equipment following oil, coal, steam and hot water boilers, electric heating and solar heating, and it is also the cleanest heating method.

Traditional heat pumps are generally low-temperature heat pumps, and the entire system has a simple structure, but has the following disadvantages:

1. The water temperature that can be provided is low, and the water temperature is generally lower than 90°C, which cannot meet the demand for high-temperature water, such as food heating in the food industry, equipment disinfection in the medical industry, and high-temperature water in the electroplating industry;

2. The pipeline is open, the evaporation is large, and the corresponding water consumption is large;

3. There is no thermal insulation water storage system, or the thermal insulation water storage system is simple, and it is impossible to store heat according to the peak and valley of the power grid, and the thermal insulation effect is poor;

4. The thermal efficiency is relatively low. By using the heat energy in the air, the efficiency can only reach about 120%;

5. Tap water is used for water replenishment, which is prone to scale, resulting in loss of thermal efficiency and corrosion of pipelines.

Due to the disadvantages of low heating temperature, large water consumption, poor heat preservation effect, and low thermal efficiency, traditional heat pumps are severely restricted in their popularization and utilization.

Utility model content

The technical problem to be solved by the utility model is: to provide a high-temperature steam heat pump system, which can generate high-temperature water and high-temperature steam higher than 100°C, so that the heat pump system can be applied to various high-temperature demand occasions.

The technical solution adopted by the utility model is specifically: a high-temperature steam heat pump system, including a heat pump unit connected by pipelines, a heat preservation and pressure stabilization liquid storage tank, and a steam generator;

The heat pump unit includes a main heat pump and an auxiliary heat pump. The main heat pump is equipped with a water heating pipeline, and the two ends of the water heating pipeline are the hot water output end and the return end; the main heat pump can heat the water in the water heating pipeline;

The auxiliary heat pump includes a heat medium circulation pipeline, and a hot water channel is provided in the steam generator, and the heat medium circulation pipeline of the auxiliary heat pump leads into the steam generator to realize heat exchange between the heat medium and the water in the hot water channel;

The heat preservation and stable pressure liquid storage barrel is a closed body, and a pressure adjustment device is installed on it to adjust the pressure inside the barrel;

The heat preservation and pressure stabilized liquid storage barrel is provided with a water inlet, a return port, a water outlet and a water return port, wherein the water inlet is connected to the hot water output end of the main heat pump, and the return port is connected to the return end of the main heat pump; the heat preservation and pressure stabilized liquid storage barrel passes through the outlet The water port delivers hot water to the water point and the hot water channel of the steam generator; the water point sends the water with reduced temperature to the water return port of the heat preservation and stable pressure liquid storage tank;

The steam output end of the steam generator outputs steam to the steam point; the steam point is used to transport the water turned into liquefied steam to the water return port of the heat preservation and pressure stabilization liquid storage tank;

Circulation pumps are respectively arranged on the pipelines connecting the thermal insulation and pressure-stabilizing liquid storage tank with the main heat pump and the steam generator.

When the utility model is applied, the main function of the main heat pump is to heat the low-temperature water in the heat preservation and pressure stabilization liquid storage tank. When the main heat pump is working, the heat medium in the copper tube transfers heat to the heat preservation and pressure stabilization liquid storage tank through the heat exchanger. Low temperature water in a bucket. The main function of the auxiliary heat pump is to reheat the water heated by the main heat pump to form high-temperature steam. When the auxiliary heat pump is working, the high-temperature heat medium in the pipeline flows through the steam generator, which can further heat the hot water entering the steam generator, thereby generating high-temperature steam.

The heat preservation and stable pressure liquid storage barrel can be set as a cylindrical airtight barrel, and the internal pressure can be adjusted and maintained. When the pressure in the heat preservation and stable pressure liquid storage barrel is adjusted to increase, the boiling point of the water in the liquid storage barrel will also increase accordingly. , so that the heat pump can heat the circulating water in the water heating pipeline to higher than 100 degrees Celsius. The water whose boiling point has been raised is continuously heated in the steam generator to generate high-temperature steam. At the same time, the pipes of this system are connected with each equipment in a sealed manner, and the hot water only conducts heat exchange in the sealed pipes. Therefore, compared with the open pipe system, the amount of water used to supplement evaporation loss can be greatly reduced.

The heat preservation and stable pressure liquid storage tank can adopt the existing adjustable pressure liquid storage device, and the pressure in the liquid storage tank can be adjusted according to the hot water temperature demand, thereby changing the boiling point of the water in the liquid storage tank to obtain corresponding high temperature water. The steam generator further heats the hot water flowing out of the liquid storage barrel under the action of the auxiliary heat pump to generate high-temperature steam for use at the steam point.

The high-temperature steam heat pump system of the present invention also includes a pressure stabilizer connected between the steam generator and the steam use point. The pressure stabilizer is a pressure vessel, which is mainly used to provide stable pressure to the steam point. It is a barrel-shaped structure with a pressure relief valve, a pressure gauge and a steam inlet on the upper part, and a drain and a steam outlet on the lower part. The pressure regulator can use the first product.

The hot water channel in the steam generator of the utility model is a plurality of conical circular tubes arranged in parallel, and the heat medium circulation pipeline of the auxiliary heat pump is located in the cavity of the steam generator outside the hot water channel. It can ensure sufficient convection between the heat medium and the hot water, thereby heating the water in the hot water channel into steam. The steam generator can be designed in a cylindrical shape, and the internal insulation is sealed except for the interface, which is convenient for installation and takes up little space.

Further, the main heat pump of the utility model is composed of a plurality of heat pumps; each heat pump includes a heat medium circulation pipeline, and a compressor, a liquid storage tank and a first heat exchanger are sequentially arranged on the heat medium circulation pipeline; the output end of the compressor Connect the liquid storage tank; the water heating pipeline is located in the first heat exchanger of each heat pump, and can exchange heat with the heat medium circulation pipeline. Thereby, the heating of the water in the heat-preserving and pressure-stabilizing liquid storage tank is realized. Multiple heat pumps can be combined in series. In order to meet the different demand for hot water and steam at the water point and the steam point, the capacity of the heat preservation and pressure-stabilizing liquid storage tank of the utility model can be adjusted appropriately. The heat pump of the main heat pump The number of series connections is also adjusted accordingly to ensure the heating efficiency of the main heat pump for water under different water storage conditions.

Furthermore, in the first heat exchanger, the heat medium circulation pipeline is wound on the water heating pipeline. Or the two can also be intertwined to realize the isolation between the heat medium and the circulating water, and at the same time, the heat exchange efficiency is high.

In order to simplify the system structure, the first heat exchanger of each heat pump in the present invention is the same heat exchanger, and the heat medium circulation pipelines of each heat pump are respectively wound on the water heating pipeline in the first heat exchanger. This is also a series connection form of multiple heat pumps of the utility model, which can realize high-efficiency heating.

In order to further improve the heating efficiency of the heat medium circulation pipeline, a second heat exchanger and an evaporator are also arranged on the heat medium circulation pipeline; the second heat exchanger and the evaporator are connected with an auxiliary heat medium circulation pipeline; the auxiliary heat medium circulation On the pipeline, the auxiliary compressor, the auxiliary liquid storage tank, the second heat exchanger and the evaporator are connected in sequence, and the output end of the auxiliary compressor is connected to the auxiliary liquid storage tank. The heat medium that has been cooled by heat exchange in the first heat exchanger can absorb the heat on the auxiliary heat medium circulation pipeline when it flows through the second heat exchanger and the evaporator, thereby increasing the base temperature before entering the compressor, so that The temperature of the heat medium output by the compressor is higher, and the heat exchange efficiency of the first heat exchanger is also increased accordingly.

In the auxiliary heat pump of the utility model, a third heat exchanger, a second evaporator, a compressor, and a liquid storage tank are sequentially arranged on the heat medium circulation pipeline; the output end of the compressor is connected to the liquid storage tank; the liquid storage tank is connected to the third The heat medium circulation pipeline between the heat exchangers runs through the water storage chamber in the steam generator.

In order to improve the heating efficiency of the steam generation system, an auxiliary heat medium circulation pipeline is also provided in the auxiliary heat pump; on the auxiliary heat medium circulation pipeline, the auxiliary second compressor, the auxiliary second liquid storage tank, the third heat exchanger and the second The evaporators are connected in turn.

In the utility model, the heat-preserving and stabilizing liquid storage barrel is cylindrical, and the barrel wall includes an inner wall and an outer wall, and an insulating interlayer is arranged between the inner wall and the outer wall; the inner surface of the inner wall and the outer surface of the outer wall are mirror polished surfaces. The barrel wall structure can strengthen the heat insulation effect of the liquid storage barrel and reduce heat loss. It is determined by experiments that when the room temperature is 28°C, the hot water bucket stores 2000L of water, and it takes about 50 hours for the temperature to drop from 100°C to 80°C. The utility model has less heat loss in the heat-preserving and stabilizing liquid storage barrel, and can store heat energy in the barrel during the valley of the electricity consumption, and use it for production during the peak of the electricity consumption, thereby realizing heat storage at the peak and valley of the power grid.

Beneficial effect

The beneficial effects of the utility model are: using the heat pump system of the utility model, compared with the traditional heating system, has the following advantages:

Compared with the traditional heating system, it has the following advantages:

1) The energy utilization rate is high, and the heating efficiency is about 1.5 times that of ordinary electric heating;

2) The pressure of the heat preservation and stable pressure liquid storage tank can be adjusted, so that the temperature of the hot water in the heat exchanger can be greater than 100°C;

3) The temperature control system is simple, and there is no need to set multiple overheating protections, and it is not necessary to set multiple low liquid level protections.

4) The heat-preserving and stabilizing liquid storage tank can realize energy storage, with small heat loss, and it is convenient to use electricity at off-peak times. The heat energy in the thermal insulation bucket is used for production and heating, thereby reducing the cost of electricity consumption.

5) The cold water returned from the hot water point and the steam point can be used as a by-product of cold water and air-conditioning, and it is used in occasions where the temperature of cold water is not high (15~20°C);

6) Easy maintenance, low water consumption, less scale in the pipeline, heat loss and pipeline corrosion have great advantages over the boiler system;

7) No boiler steam chimney pollution problem.

Description of drawings

Fig. 1 is a schematic block diagram of the principle structure of the present utility model;

Fig. 2 is a schematic structural diagram of the utility model system;

Figure 3 is a schematic diagram of the front view of the installation structure of the utility model;

Fig. 4 is a top view structural schematic diagram of Fig. 3;

Figure 5 shows a schematic structural diagram of the principle of the main heat pump;

Figure 6 is a schematic diagram of the principle structure of the auxiliary heat pump.

detailed description

It will be further described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figures 1 to 4, the high-temperature steam heat pump system of the present invention includes a heat pump unit 02 connected by pipelines, a heat preservation and pressure stable liquid storage tank 01 and a steam generator 03;

The heat pump unit 02 includes a main heat pump and an auxiliary heat pump. The main heat pump is equipped with a water heating pipeline, and the two ends of the water heating pipeline are the hot water output end A1 and the return end A2; the main heat pump can heat the water in the water heating pipeline ;

The auxiliary heat pump includes a heat medium circulation pipeline, and the steam generator 03 is provided with a hot water channel, and the heat medium circulation pipeline of the auxiliary heat pump leads into the interior of the steam generator to realize heat exchange between the heat medium and the water in the hot water channel;

Referring to Fig. 3 and Fig. 4, the heat-preserving and stabilizing liquid storage barrel 01 is a closed whole body, and a pressure regulating device is provided on it to adjust the pressure inside the barrel; The water outlet 14 and the water return port 15, wherein the water inlet 12 is connected to the hot water output port A1 of the main heat pump, and the return port 13 is connected to the return port A2 of the main heat pump; The hot water channel of the generator 03 transports hot water; the water point 07 transports the temperature-reduced water to the water return port 15 of the heat-preserving and pressure-stabilizing liquid storage tank 01;

The steam output terminal 04 of the steam generator 03 outputs steam to the steam point 08; the steam liquefied by the steam point 08 is transported to the water return port 15 of the heat preservation and pressure stabilization liquid storage tank 01;

Circulating pumps 05 are respectively provided on the pipelines connecting the heat preservation and pressure stabilizing liquid storage tank 01 with the main heat pump and the steam generator 03 . In order to make the operation of the fluid controllable, a regulating valve 06 is also arranged on each pipeline.

In application, the pressure of the heat-preserving and stabilizing liquid storage tank 01 can be adjusted and maintained. When the pressure in the heat-preserving and stabilizing liquid storage tank is adjusted to increase, the boiling point of the water in the liquid storage tank will also increase accordingly, so that the heat pump can The circulating water in the water heating pipeline is heated to higher than 100 degrees Celsius. The water whose boiling point has been raised is continuously heated in the steam generator to generate high-temperature steam.

Example

As shown in Fig. 2 and Fig. 3, in this embodiment, the heat preservation and pressure stabilization liquid storage barrel 01 is a cylindrical airtight barrel body, the barrel wall includes an inner wall and an outer wall, and an insulating interlayer 16 is arranged between the inner wall and the outer wall; the inner surface of the inner wall and The outer surface of the outer wall is a mirror polished surface. The barrel wall structure can improve the heat insulation effect of the liquid storage barrel. It is determined by experiments that when the room temperature is 28°C, the hot water barrel stores 2000L of water, and it takes about 50 hours for the temperature to drop from 100°C to 80°C. The steam generator 03 is also designed to be cylindrical, except for the interface, the internal insulation is sealed, which is convenient for installation and takes up little space. The heat medium circulation pipeline leading into the steam generator 03 is filled in the space between the conical hot water channel and the outer wall, which can increase the time for the heat medium to flow through the steam generator and improve the heat exchange efficiency.

The heat preservation and stable pressure liquid storage tank 01 adopts the existing adjustable pressure liquid storage device, as shown in Figure 4, the heat preservation and stable pressure liquid storage tank 01 has a pressure regulating device, including a pressurizing device, a pressure relief port, a pressure regulating valve, etc. . The user can adjust the pressure in the liquid storage tank according to the hot water temperature requirement, thereby changing the boiling point of the water in the liquid storage tank to obtain corresponding high-temperature water. The steam generator further heats the hot water flowing out of the liquid storage barrel under the action of the auxiliary heat pump to generate high-temperature steam for use at the steam point. A water injection port 11 is also provided on the heat-preserving and pressure-stabilizing liquid storage tank 01 .

In the embodiment shown in Fig. 1 to Fig. 4, the high temperature steam heat pump system further includes a pressure regulator 04, and the pressure regulator 04 is connected between the steam generator 03 and the steam consumption point. The pressure stabilizer 04 is a pressure vessel, which is mainly used to provide stable pressure to the steam point. It is a barrel-shaped structure with a pressure relief valve, a pressure gauge and a steam inlet on the upper part, and a drain and a steam outlet on the lower part.

Referring to Figure 2, Figure 3, and Figure 6, the hot water channel in the steam generator 03 is a plurality of conical circular tubes arranged in parallel, and the heat medium circulation pipeline of the auxiliary heat pump B is located in the steam generator cavity outside the hot water channel within. It can ensure sufficient convection between the heat medium and the hot water, thereby heating the water in the hot water channel into steam. The steam generator is designed in a cylindrical shape, and the internal insulation is sealed except for the interface, which is convenient for installation and takes up little space.

As shown in Figure 1, the main heat pump in this embodiment is composed of multiple heat pumps A, and multiple heat pumps can be combined in series. The capacity of the new heat preservation and pressure-stabilizing liquid storage tank can be adjusted appropriately, and the number of heat pumps connected in series of the main heat pump can also be adjusted accordingly to ensure the heating efficiency of the main heat pump for water under different water storage conditions.

As shown in Figure 5, each heat pump in the main heat pump includes a heat medium circulation pipeline respectively, and a compressor 212, a liquid storage tank 211 and a first heat exchanger 210 are sequentially arranged on each heat medium circulation pipeline; the output of the compressor 212 The end is connected to the liquid storage tank 211; the water heating pipeline is located in the first heat exchanger 210, and can exchange heat with the heat medium circulation pipeline.

Specifically, in the first heat exchanger, the heat medium circulation pipeline is wound on the water heating pipeline. Or the two can also be intertwined to realize the isolation between the heat medium and the circulating water, and at the same time, the heat exchange efficiency is high.

The series connection form of multiple heat pumps described in the utility model can be that the first heat exchanger on the heat medium circulation pipeline of each heat pump is the same heat exchanger, and the water heating pipeline is arranged in the heat exchange, and the heat medium circulation of each heat pump The pipelines are respectively wound around the water heating pipelines, that is, two heat pumps are connected in series as shown in FIG. 5 , corresponding to FIG. 1 . It may also be that each heat pump is provided with a first heat exchanger, and each first heat exchanger is respectively provided with a water heating pipeline, and each water heating pipeline is respectively connected to a heat preservation and pressure stabilizing liquid storage tank, or more After the two water heating pipelines are connected in series, they are connected to the heat preservation and pressure stabilizing liquid storage tank.

In order to improve the heating efficiency of the heat medium circulation pipeline, a second heat exchanger 214 and an evaporator 213 are also arranged on the heat medium circulation pipeline; the second heat exchanger 214 and the evaporator 213 are connected with an auxiliary heat medium circulation pipeline; On the heat medium circulation pipeline, the auxiliary compressor 216 , the auxiliary liquid storage tank 215 , the second heat exchanger 214 and the evaporator 213 are sequentially connected, and the output end of the auxiliary compressor 216 is connected to the auxiliary liquid storage tank 215 . After heat exchange and cooling in the first heat exchanger 210, when the heat medium flows through the second heat exchanger 214 and the evaporator 213, it can absorb the heat on the auxiliary heat medium circulation pipeline, thereby increasing the heat transfer rate before entering the compressor 212. The base temperature makes the temperature of the heat medium output by the compressor 212 higher, and the heat exchange efficiency of the first heat exchanger 210 also increases accordingly.

As shown in Figure 6, in the auxiliary heat pump B, a third heat exchanger 223, a second evaporator 222, a compressor 221, and a liquid storage tank 220 are sequentially arranged on the heat medium circulation pipeline; the output end of the compressor 221 is connected to the liquid storage tank. The tank 220 ; the heat medium circulation pipeline between the liquid storage tank 220 and the third heat exchanger 223 leads into the steam generator 03 through the inlet 31 and the outlet 32 .

In order to improve the heating efficiency of the steam generation system, an auxiliary heat medium circulation pipeline is also provided in the auxiliary heat pump B; on the auxiliary heat medium circulation pipeline, the auxiliary second compressor 225, the auxiliary second liquid storage tank 224, and the third heat exchanger 223 is connected with the second evaporator 222 in sequence.

The heat medium in the heat medium circulation pipeline of the heat pump of the utility model can adopt the existing high-temperature mixed type heat medium. Through the pressure adjustment of the heat preservation and pressure-stabilized water storage tank, the heated water temperature can reach about 105°C, or even higher, and then through the action of the steam generator and the auxiliary heat pump, the water temperature can reach 125°C, which can satisfy most high-temperature water and high-temperature The needs of the point of use of steam, such as:

It can be used in food and pharmaceutical industries, for food steaming and high-temperature disinfection;

It can be used in manufacturing industries that require heating, such as electroplating, to replace electric heaters and reduce fire hazards;

It can be used for hot water supply in hotels and hotels.

The above is only the preferred embodiment of the utility model, it should be pointed out that for those of ordinary skill in the art, without departing from the technical principle of the utility model, some improvements and deformations can also be made. And deformation should also be regarded as the protection scope of the present utility model.

Claims (10)

1. a high-temperature steam-generating heat pump system, is characterized in that, including the heat pump unit connected by pipeline, insulation voltage stabilizing liquid storing barrel and Steam generator；

Heat pump unit includes main heat pump and assisted heat pump, is provided with water and adds pipe line in main heat pump, and it is hot water that water adds pipe line two ends Outfan and backflow end；The water that water can be added in pipe line by main heat pump heats；

Assisted heat pump includes heating agent circulation line, is provided with hot water channel in steam generator, the heating agent circulation line of assisted heat pump It is passed through in steam generator, to realize heating agent and the heat exchange of water in hot water channel；

Insulation voltage stabilizing liquid storing barrel is airtight entire body, which is provided with pressure-regulating device, to regulate pressure in bucket；

Insulation voltage stabilizing liquid storing barrel is provided with water inlet, refluxing opening, outlet and water return outlet, and wherein water inlet connects the heat of main heat pump Water outfan, refluxing opening connects the backflow end of main heat pump；Insulation voltage stabilizing liquid storing barrel by outlet to water spot and steam generation The hot water channel of device carries hot water；With water spot, the water that temperature reduces is delivered to the water return outlet of insulation voltage stabilizing liquid storing barrel；

The steam output end output steam of steam generator is to using steam points；The water conveying that will become after steam liquefied with steam points To the water return outlet being incubated voltage stabilizing liquid storing barrel；

It is respectively equipped with circulating pump on the pipeline that insulation voltage stabilizing liquid storing barrel is connected with main heat pump, steam generator.

High-temperature steam-generating heat pump system the most according to claim 1, is characterized in that, also includes pressure manostat, pressure voltage stabilizing Device is connected to steam generator and with between steam points.

High-temperature steam-generating heat pump system the most according to claim 1, is characterized in that, the hot water channel in steam generator is many The individual taper pipe be arrangeding in parallel, the steam generator cavity that the heating agent circulation line of assisted heat pump is positioned at outside hot water channel it In.

4. according to the high-temperature steam-generating heat pump system described in any one of claims 1 to 3, it is characterized in that, main heat pump is by multiple heat pumps Composition；

Each heat pump includes heating agent circulation line respectively, and heating agent circulation line is sequentially provided with compressor, fluid reservoir and the first heat exchange Device；The outfan of compressor connects fluid reservoir；Water adds in the First Heat Exchanger that pipe line is positioned at each heat pump, and can circulate with heating agent Pipeline carries out heat exchange.

High-temperature steam-generating heat pump system the most according to claim 4, is characterized in that, in First Heat Exchanger, and heating agent circulation line It is wrapped in water to add on pipe line.

High-temperature steam-generating heat pump system the most according to claim 5, is characterized in that, the First Heat Exchanger of each heat pump is same changing Hot device, the water that the heating agent circulation line of each heat pump is respectively wound around in First Heat Exchanger adds on pipe line.

High-temperature steam-generating heat pump system the most according to claim 4, is characterized in that, heating agent circulation line is additionally provided with second and changes Hot device and vaporizer；Second heat exchanger and vaporizer connect auxiliary heating agent circulation line；On auxiliary heating agent circulation line, auxiliary Compressor, auxiliary fluid reservoir, the second heat exchanger are sequentially connected with vaporizer, and the outfan of auxiliary compressor connects auxiliary liquid storage Tank.

8. according to the high-temperature steam-generating heat pump system described in any one of claims 1 to 3, it is characterized in that, in assisted heat pump, heating agent follows The 3rd heat exchanger, the second vaporizer, compressor and fluid reservoir it is sequentially provided with on endless tube road；The outfan of compressor connects liquid storage Tank；Heating agent circulation line between fluid reservoir and the 3rd heat exchanger is passed through inside steam generator.

High-temperature steam-generating heat pump system the most according to claim 8, is characterized in that, is additionally provided with auxiliary heating agent and follows in assisted heat pump Endless tube road；On auxiliary heating agent circulation line, assist the second compressor, assist the second fluid reservoir, the 3rd heat exchanger and the second evaporation Device is sequentially connected with.

10., according to the high-temperature steam-generating heat pump system described in any one of claims 1 to 3, it is characterized in that, insulation voltage stabilizing liquid storing barrel Bucket wall includes inner and outer wall, is provided with heat preservation sandwich layer between inner and outer wall；The inner surface of inwall and the outer surface of outer wall are mirror Mirror polish face.