CN213984121U - Super heat pump of energy potential - Google Patents
Super heat pump of energy potential Download PDFInfo
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- CN213984121U CN213984121U CN202022756578.3U CN202022756578U CN213984121U CN 213984121 U CN213984121 U CN 213984121U CN 202022756578 U CN202022756578 U CN 202022756578U CN 213984121 U CN213984121 U CN 213984121U
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Abstract
The utility model provides a super heat pump of energy potential has realized the high-efficient heat transfer of the big difference in temperature of heat source and heat sink to need not other heat auxiliarily, adopt ejector and the booster to accomplish absorption process and desorption process simultaneously, and circulation working medium has accomplished "mass transfer" and "heat transfer" process step by step in ejector and heat exchanger, and the aperture control working medium through adjusting the valve gets into the distribution proportion of ejector and booster, realizes nimble high-efficient operation under design condition and the variable working condition.
Description
Technical Field
The utility model belongs to the technical field of the energy utilization, especially, relate to draw heat source energy and be used for heating heat exchange device of heat sink.
Background
In the field of energy utilization, there is a wide range of heat exchange processes, and the heat transfer process can be generalized to transfer from a high temperature fluid to a low temperature fluid or from a low temperature fluid to a high temperature fluid. According to the second law of thermodynamics, heat can be spontaneously transferred from a high-temperature object to a low-temperature object only by using a common heat exchanger; if heat needs to be transferred from a low-temperature object to a high-temperature object, certain cost needs to be consumed, a certain amount of high-grade energy such as electric power, high-temperature steam or hot water needs to be consumed, and a heat pump, an injection device and the like need to be used. In the prior art, the heat pump technology has been accepted and applied in the market due to its high efficiency and reliability. However, due to the restrictions of thermodynamic cycle, physical properties of the cycle working medium, heat exchange coefficient, temperature and pressure resistance of the equipment, and the like, various heat pump technologies can only work in respective temperature ranges, the use of the absorption heat pump requires the use of a heat source and a third heat except for a heat sink, and the heat sink temperature of the compression heat pump is restricted by the temperature and pressure resistance of the compressor, so that higher heat sink temperature is difficult to realize. In order to realize the high-efficient heat transfer of the big difference in temperature of heat source and heat sink to need not other heat and assist, this utility model provides a super heat pump of energy potential.
SUMMERY OF THE UTILITY MODEL
The heat pump comprises an absorption device 1, a desorption device 2, a boosting device 3, an injection device 4, a heat exchanger 5, a valve 6, a circulating pump 7, a heat sink inlet 8, a heat sink outlet 9, a heat source inlet 10 and a heat source outlet 11.
The energy potential super heat pump is characterized in that an absorption device 1 is connected with a heat sink inlet 8, a heat sink outlet 9, a circulating pump 7, an injection device 4 and a boosting device 3, the circulating pump 7 is connected with the absorption device 1 and a heat exchanger 5, the injection device 4 is connected with the absorption device 1, the heat exchanger 5 and a valve 6, the heat exchanger 5 is connected with the circulating pump 7, the injection device 4 and a desorption device 2, the desorption device 2 is connected with a heat source inlet 10, a heat source outlet 11, the heat exchanger 5, the valve 6 and the boosting device 3, and the boosting device 3 is connected with the desorption device 2, the valve 6 and the absorption device 1.
In the energy potential super heat pump, a heat sink is heated in an absorption device 1, and a heat source is cooled in a desorption device 2.
The energy potential super heat pump is characterized in that the internal circulating working media of the energy potential super heat pump are a working medium A and a working medium B, the boiling point of the working medium A is lower than that of the working medium B, the mixture of the working medium A and the working medium B circulates in an absorption device 1 and a desorption device 2, the mixture of the working medium A and the working medium B leaves the desorption device 2, then sequentially passes through a heat exchanger 5 and a circulating pump 7 to enter the absorption device 1, then sequentially passes through an injection device 4 and the heat exchanger 5 to return to the desorption device 2 after leaving the absorption device 1, and the medium in a boosting device 3 is the working medium A in a steam state.
According to the super heat pump with energy potential, a mixture of working medium A and working medium B at an outlet of an absorption device 1 enters an injection device 4, then is mixed with a vaporous working medium A and then leaves the injection device 4, and the proportion of the vaporous working medium A entering the injection device 4 and a boosting device 3 is controlled by adjusting the opening degree of a valve 6.
The working principle of the super energy potential heat pump is as follows:
the mixture of the working medium A and the working medium B is heated by a heat source in the desorption device 2, the concentrated mixture enters the absorption device 1 after passing through the heat exchanger 5 and the circulating pump 7, part of the generated vaporous working medium A enters the injection device 4 through the valve 6 because the boiling point of the working medium A is lower than that of the working medium B, and the rest of the vaporous working medium A enters the pressure boosting device 3 and then enters the absorption device 1.
The energy potential super heat pump simultaneously adopts the injection device 4 and the pressure boosting device 3 to complete an absorption process and a desorption process, a mixture of a working medium A and a working medium B absorbs working medium A steam from the pressure boosting device 3 in the absorption device 1, heat generated in the absorption process is used for heating heat sink, the mixture of the working medium A and the working medium B after absorption enters the injection device 4, the working medium A steam is absorbed again in the injection device 4, and then the mixture passes through the heat exchanger 5, so that the mixture of the working medium A and the working medium B completes mass transfer and heat transfer processes step by step in the injection device 4 and the heat exchanger 5, the mass transfer coefficient and the heat transfer coefficient are improved compared with the existing process of simultaneously transferring heat and mass, and the mixture of the working medium A and the working medium B is heated by a heat source in the desorption device 2 to generate a vaporous working medium A.
Drawings
FIG. 1 is a diagram of an energy potential super heat pump system.
Reference numerals:
the method comprises the following steps of 1-an absorption device, 2-a desorption device, 3-a pressure boosting device, 4-an injection device, 5-a heat exchanger, 6-a valve, 7-a circulating pump, 8-a heat sink inlet, 9-a heat sink outlet, 10-a heat source inlet and 11-a heat source outlet.
Detailed Description
In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the following will combine with the accompanying fig. 1 in the embodiments of the present invention to describe the technical solutions in the embodiments of the present invention in more detail. In fig. 1, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are only some, but not all embodiments of the invention. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In this example the heat source temperature was reduced from 40 ℃ to 10 ℃ and the heat sink temperature was increased from 70 ℃ to 90 ℃. The embodiment comprises an absorption device 1, a desorption device 2, a pressure boosting device 3, an injection device 4, a heat exchanger 5, a valve 6, a circulating pump 7, a heat sink inlet 8, a heat sink outlet 9, a heat source inlet 10 and a heat source outlet 11. In the embodiment, an absorption device 1 is connected with a heat sink inlet 8, a heat sink outlet 9, a circulating pump 7, an injection device 4 and a pressure boosting device 3, the circulating pump 7 is connected with the absorption device 1 and a heat exchanger 5, the injection device 4 is connected with the absorption device 1, the heat exchanger 5 and a valve 6, the heat exchanger 5 is connected with the circulating pump 7, the injection device 4 and a desorption device 2, the desorption device 2 is connected with a heat source inlet 10, a heat source outlet 11, the heat exchanger 5, the valve 6 and the pressure boosting device 3, the pressure boosting device 3 is connected with the desorption device 2, the valve 6 and the absorption device 1, the heat sink is heated to 90 ℃ from 70 ℃ in the absorption device 1, the heat source is cooled to 10 ℃ from 40 ℃ in the desorption device 2, and the pressure boosting device 3 adopts a steam driven compressor.
In the embodiment, the internal circulating working medium is tetrafluoroethane and dimethylacetamide, the mixture of tetrafluoroethane and dimethylacetamide circulates in the absorption device 1 and the desorption device 2, the mixture of tetrafluoroethane and dimethylacetamide leaves the desorption device 2 and then sequentially passes through the heat exchanger 5 and the circulating pump 7 to enter the absorption device 1, then the mixture of tetrafluoroethane and dimethylacetamide leaves the absorption device 1 and then sequentially passes through the injection device 4 and the heat exchanger 5 and then returns to the desorption device 2, and the medium in the pressure boosting device 3 is vapor tetrafluoroethane. The mixture of the tetrafluoroethane and the dimethylacetamide at the outlet of the absorption device 1 enters the injection device 4, then is mixed with the vaporous tetrafluoroethane and then leaves the injection device 4, and the distribution proportion of the vaporous tetrafluoroethane entering the injection device 4 and the pressure boosting device 3 is controlled by adjusting the opening degree of the valve 6.
The operation principle and the mode of the embodiment are as follows:
the mixture of tetrafluoroethane and dimethylacetamide is heated by a heat source in a desorption device 2, the concentrated mixture enters an absorption device 1 after passing through a heat exchanger 5 and a circulating pump 7, because the boiling point of tetrafluoroethane is lower than that of dimethylacetamide, part of the produced vaporous tetrafluoroethane enters an injection device 4 through a valve 6, the rest of the vaporous tetrafluoroethane enters a pressure boosting device 3 and then enters the absorption device 1, the injection device 4 and the pressure boosting device 3 are adopted to complete the absorption process and the desorption process, the mixture of tetrafluoroethane and dimethylacetamide absorbs tetrafluoroethane steam from the pressure boosting device 3 in the absorption device 1, heat generated in the absorption process is used for heating a heat sink, the mixture of tetrafluoroethane and dimethylacetamide after absorption enters the injection device 4, the tetrafluoroethane steam is absorbed again in the injection device 4 and then passes through the heat exchanger 5, therefore, the mixture of the tetrafluoroethane and the dimethylacetamide is subjected to mass transfer and heat transfer in the injection device 4 and the heat exchanger 5 step by step, the mass transfer coefficient and the heat transfer coefficient are improved compared with the existing process of simultaneously transferring heat and mass, and the mixture of the tetrafluoroethane and the dimethylacetamide is heated by a heat source in the desorption device 2 to generate the vaporous tetrafluoroethane. In the implementation process, the distribution proportion of the tetrafluoroethane steam is adjusted by adjusting the opening of the valve 6, and when the heat sink temperature exceeds the design temperature or the heat source temperature is lower than the design temperature, the opening of the valve 6 is reduced, otherwise, the opening of the valve 6 is increased in the same way.
Finally, it should be pointed out that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (5)
1. An energy potential super heat pump, characterized by: the device comprises an absorption device (1), a desorption device (2), a pressure boosting device (3), an injection device (4), a heat exchanger (5), a valve (6), a circulating pump (7), a heat sink inlet (8), a heat sink outlet (9), a heat source inlet (10) and a heat source outlet (11), wherein the absorption device (1) is connected with the heat sink inlet (8), the heat sink outlet (9), the circulating pump (7), the injection device (4) and the pressure boosting device (3) are connected, the circulating pump (7) is connected with the absorption device (1) and the heat exchanger (5), the injection device (4) is connected with the absorption device (1), the heat exchanger (5) is connected with the valve (6), the heat exchanger (5) is connected with the circulating pump (7), the injection device (4) is connected with the desorption device (2), the desorption device (2) is connected with the heat source inlet (10), the heat source outlet (11), the heat exchanger (5), The valve (6) is connected with the boosting device (3), the boosting device (3) is connected with the desorption device (2), the valve (6) is connected with the absorption device (1), heat is collected in the absorption device (1) and is heated, a heat source is cooled in the desorption device (2), the internal circulating working medium of the device is working medium A and working medium B, the boiling point of the working medium A is lower than that of the working medium B, the mixture of the working medium A and the working medium B circulates in the absorption device (1) and the desorption device (2), the mixture of the working medium A and the working medium B leaves the desorption device (2), then enters the absorption device (1) through the heat exchanger (5) and the circulating pump (7) in sequence, then returns the desorption device (2) after leaving the absorption device (1) and passing through the injection device (4) and the heat exchanger (5) in sequence, the medium in the boosting device (3) is the working medium A in a steam state, the mixture of the working medium A and the working medium B at the outlet of the absorption device (1) enters the injection device (4) and then is mixed with the working medium A in a steam state, and leaves the injection device (4) in sequence An injection device (4).
2. The energy potential super heat pump according to claim 1, wherein: working medium A and working medium B are natural working medium or organic compound.
3. The energy potential super heat pump according to claim 1, wherein: the device adopts injection device (4) and booster unit (3) to accomplish absorption process and desorption process simultaneously, and booster unit (3) adopts centrifugal, screw, piston, vortex formula or roots type compressor.
4. The energy potential super heat pump according to claim 1, wherein: the mixture of the working medium A and the working medium B respectively completes the mass transfer and the heat transfer processes in the injection device (4) and the heat exchanger (5).
5. The energy potential super heat pump according to claim 1, wherein: the device controls the mass distribution proportion of the vaporous working medium A entering the injection device (4) and the pressure boosting device (3) by adjusting the opening of the valve (6) so as to adjust the temperature of a heat sink and a heat source outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022756578.3U CN213984121U (en) | 2020-11-25 | 2020-11-25 | Super heat pump of energy potential |
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| CN202022756578.3U CN213984121U (en) | 2020-11-25 | 2020-11-25 | Super heat pump of energy potential |
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| CN213984121U true CN213984121U (en) | 2021-08-17 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344600A (en) * | 2020-11-25 | 2021-02-09 | 华北电力大学 | Energy potential super heat pump and operation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344600A (en) * | 2020-11-25 | 2021-02-09 | 华北电力大学 | Energy potential super heat pump and operation method thereof |
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