CN214371068U - Large-temperature-rise super heat pump heat exchange device - Google Patents
Large-temperature-rise super heat pump heat exchange device Download PDFInfo
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- CN214371068U CN214371068U CN202023138181.4U CN202023138181U CN214371068U CN 214371068 U CN214371068 U CN 214371068U CN 202023138181 U CN202023138181 U CN 202023138181U CN 214371068 U CN214371068 U CN 214371068U
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Abstract
The utility model discloses a super heat pump heat transfer device of big temperature rise who belongs to energy utilization technical field. The heat pump heat exchange device comprises a pressure raiser a, a heat exchanger a, a pressure raiser b, a heat exchanger c, a heat exchanger d, an adjuster a, an adjuster b, a driving device a, a driving device b, a valve a, a valve b, a valve c, a valve d, a steam compressor, a circulating pump a, a circulating pump b, a heat sink inlet and outlet, blades, a heat source inlet and outlet and a heat transfer pipe; the invention extracts heat in the heat source to heat the heat sink, automatically changes the operation cycle mode according to the heat source and the heat sink load, keeps high-efficiency operation, and further actively adjusts the cycle process under the large-range strong load variable working condition. The large temperature difference heat exchange between the heat source and the heat sink is realized, and the self-adaptive adjustment of different circulation working conditions can be carried out according to the operation load; the invention realizes the heat exchange effect of the ultra-large temperature difference (more than 100 ℃).
Description
Technical Field
The utility model belongs to the technical field of the energy utilization, especially, relate to a super heat pump heat transfer device of big temperature rise.
Background
In the field of energy utilization, a large number of heat exchange processes exist in various industrial and civil processes. According to Newton's second law, heat can be spontaneously transferred from a high-temperature object to a low-temperature object, and the heat exchange working condition can be realized only by using a common heat exchanger; if heat needs to be transferred from a low temperature object to a high temperature object, a certain amount of high grade energy, such as electricity, high temperature steam or hot water, needs to be consumed. In the prior art, the heat pump technology is accepted and applied in the market by the characteristics of high efficiency and reliability. The existing heat pump technology is limited by thermodynamic cycle and physical properties of working media, can only work in a limited temperature range, and cannot realize large-scale temperature increase. Meanwhile, the temperatures of the heat source and the heat sink are changed significantly during the use period, so the loads of the heat source and the heat sink are changed significantly. How to automatically change the operation condition according to the load change of the heat source and the heat sink under the large temperature difference heat exchange of the heat source and the heat sink to obtain the high operation efficiency under various loads becomes a research subject with important application value.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a super heat pump heat transfer device of big temperature rise to the not enough of prior art, a serial communication port, this heat pump heat transfer device comprises a pressure lifting mechanism 1, a heat exchanger 2, b pressure lifting mechanism 3, b heat exchanger 4, c heat exchanger 5, d heat exchanger 6, a regulator 7, b regulator 8, a drive arrangement 9, b drive arrangement 10, a valve 11, b valve 12, c valve 13, d valve 14, vapor compressor 15, a circulating pump 16, b circulating pump 17, heat sink entry 18, heat sink exit 19, blade 20, internal cycle working medium, heat source entry 21, heat source exit 22 and heat-transfer pipe 23; firstly, a pressure raiser 1, an a heat exchanger 2, an a circulating pump 16 and a c heat exchanger 5 are connected in series to form a loop; in the loop, a pressure raiser 1, a heat exchanger 2, a regulator 7 and b valve 12 are connected in series to form a loop; then the regulator (7) is connected with the heat exchanger (5) through a valve (11); the heat exchanger 5 of c is respectively connected with the heat exchanger 6 of d through a vapor compressor 15 and a circulating pump 17 of b, and a heat sink inlet 18 and a heat sink outlet 19 are respectively connected with the heat exchanger 6 of d; secondly, the heat exchanger 2 a, the pressure raiser 3b, the heat exchanger 4 b, the valve 14 d and the regulator 8 b are connected in series to form another loop; in this circuit, the c valve 13 communicates between the b pressure booster 3 and the b regulator 8, dividing the circuit into two sub-circuits; the heat source inlet 21 and the heat source outlet 22 are connected to the b-type heat exchanger 4.
The a pressure raiser 1 comprises a first low pressure cavity 1a, a first mixing cavity 1b and a first high pressure cavity 1c, and the a driving device 9 drives the blades 20 in the first low pressure cavity 1a and the first high pressure cavity 1c to rotate through a rotating shaft to execute the compression task.
The b-pressure lifter 3 comprises a second low-pressure cavity 3a, a second mixing cavity 3b and a second high-pressure cavity 3c, and the b-driving device 10 drives the blades 20 in the second low-pressure cavity 3a and the second high-pressure cavity 3c to rotate through the rotating shaft to execute the compression task.
The heat sink is industrial wastewater, and the heat source is steam;
the internal circulation working medium comprises a working medium CF3CH2CHF2B working medium C2Cl2F4C working medium C4H8NO and d working substance H2O。
The beneficial effects of the utility model are that a super heat pump heat transfer device of big temperature rise is provided, adopt novel heat pump circulation, heat is in order to heat the heat sink in the extraction heat source to according to heat source and the automatic change operation circulation mode of heat sink load, keep high-efficient operation, and then under the strong load variable operating mode on a large scale, the initiative adjustment cycle process is in order to promote heat pump operating efficiency. The large temperature difference heat exchange between the heat source and the heat sink is realized, and the self-adaptive adjustment of different circulation working conditions can be carried out according to the operation load; the heat pump heat exchange device realizes the heat exchange effect of ultra-large temperature difference (more than 100 ℃).
Drawings
Fig. 1 is a schematic diagram of a large temperature rise super heat pump device.
Detailed Description
The utility model provides a super heat pump heat transfer device of big temperature rise. The present invention will be described in more detail with reference to the following embodiments and the accompanying drawings.
A schematic diagram of a heat exchange device of a large temperature rise super heat pump shown in fig. 1. The heat pump heat exchange device shown in the figure is composed of an a pressure raiser 1, an a heat exchanger 2, a b pressure raiser 3, a b heat exchanger 4, a c heat exchanger 5, a d heat exchanger 6, an a regulator 7, a b regulator 8, an a driving device 9, a b driving device 10, an a valve 11, a b valve 12, a c valve 13, a d valve 14, a vapor compressor 15, an a circulating pump 16, a b circulating pump 17, a heat sink inlet 18, a heat sink outlet 19, a blade 20, an internal circulating working medium, a heat source inlet 21, a heat source outlet 22 and a heat transfer pipe 23; firstly, a pressure raiser 1, an a heat exchanger 2, an a circulating pump 16 and a c heat exchanger 5 are connected in series to form a loop; in the loop, a pressure raiser 1, a heat exchanger 2, a regulator 7 and b valve 12 are connected in series to form a loop; then the regulator (7) is connected with the heat exchanger (5) through a valve (11); the heat exchanger 5 of c is respectively connected with the heat exchanger 6 of d through a vapor compressor 15 and a circulating pump 17 of b, and a heat sink inlet 18 and a heat sink outlet 19 are respectively connected with the heat exchanger 6 of d; secondly, the heat exchanger 2 a, the pressure raiser 3b, the heat exchanger 4 b, the valve 14 d and the regulator 8 b are connected in series to form another loop; in this circuit, the c valve 13 communicates between the b pressure booster 3 and the b regulator 8, dividing the circuit into two sub-circuits; the heat source inlet 21 and the heat source outlet 22 are connected to the b-type heat exchanger 4.
The heat sink of the heat pump is industrial wastewater, the heat source is steam, and the working medium a is working medium CF3CH2CHF2B working medium C2Cl2F4C working medium C4H8NO and d working substance H2O。
Working medium a in the internal circulating working medium circulates in the heat exchanger c 5 and the heat exchanger d 6; the working medium b and the working medium c circulate in the heat exchanger 5 c, the heat exchanger 2 a, the pressure raiser 1a and the regulator 7 a; d, circulating the working medium in the heat exchanger a 2, the pressure raiser b 3, the heat exchanger b 4 and the regulator b 8; the specific circulation is that a working medium a releases heat in a heat exchanger d 6 to heat a heat sink, enters a heat exchanger c 5 through a circulation pump b 17, and then returns to the heat exchanger d 6 through a steam compressor 15; the mixture of the working medium b and the working medium c is separated in the heat exchanger 2 a, the working medium b enters the pressure raiser 1a and sequentially passes through the first high-pressure chamber 1c, the first mixing chamber 1b and the first low-pressure chamber 1a, then enters the heat exchanger 5 c, part of the working medium b enters the mixed solution of the working medium b and the working medium c, the rest of the working medium b enters the regulator 7 a through the valve 11 a, part of the working medium b enters the pressure raiser 1a through the valve 12 b in the regulator 7 a, the rest of the working medium b enters the heat exchanger 2 a, part of the working medium d sequentially passes through the heat exchanger 2 a, the regulator 8 b, the heat exchanger 4 b and the pressure raiser 3b and then returns to the heat exchanger 2 a, and part of the working medium d enters the second mixing chamber 3b of the pressure raiser 3b through the valve 13 c in the regulator 8 b.
Examples
The heat exchange mode of the heat exchange device of the large temperature rise super heat pump is different working conditions according to the change of heat sink and heat source load, and the device has the following operation mode:
(1) increased heat source load and increased heat sink load
The valve b 12 and the valve c 13 are both opened, part of the working medium b in the adjuster a 7 enters the first mixing cavity 1b through the valve b 12, is mixed with the working medium b from the first high-pressure cavity 1c and then is compressed in the first low-pressure cavity 1a, part of the working medium d in the adjuster b 8 enters the second mixing cavity 3b of the pressure raiser b 3 through the valve c 13, the working medium b enters the pressure raiser a 1 and then enters the heat exchanger c, part of the working medium b enters the mixed solution of the working medium b and the working medium c, the rest of the working medium b enters the adjuster a 7 through the valve a 11, and the working medium d returns to the heat exchanger a 2 after sequentially passing through the heat exchanger a 2, the adjuster b 8, the heat exchanger b 4 and the pressure raiser b 3.
(2) The heat source load is increased and the heat sink load is decreased
The valve b 12 is opened, the valve c 13 is closed, part of the working medium b in the adjuster a 7 enters the first mixing cavity 1b through the valve b 12, the working medium b is mixed with the working medium b from the first high-pressure cavity 1c and then is compressed in the first low-pressure cavity 1a, the working medium b enters the pressure raiser a 1 and then enters the heat exchanger c, part of the working medium b enters the mixed solution of the working medium b and the working medium c, the rest of the working medium b enters the adjuster a 7 through the valve a 11, and the working medium d sequentially passes through the heat exchanger a 2, the adjuster b 8, the heat exchanger b 4 and the pressure raiser b and then returns to the heat exchanger a 2.
(3) The heat source load is reduced, the heat sink load is increased
The valve b 12 is closed, the valve c 13 is opened, all the working medium b in the adjuster a 7 enters the heat exchanger a 2, part of the working medium d in the adjuster b 8 enters the second mixing cavity 3b of the pressure raiser b 3 through the valve c 13, the working medium b enters the heat exchanger c after entering the pressure raiser a 1, part of the working medium b enters the mixed solution of the working medium b and the working medium c, the rest of the working medium b enters the adjuster a 7 through the valve a 11, and the working medium d returns to the heat exchanger a 2 after sequentially passing through the heat exchanger a 2, the adjuster b 8, the heat exchanger b 4 and the pressure raiser b 3.
(4) The load of the heat source is reduced, and the load of the heat sink is reduced
The valve b 12 and the valve c 13 are both closed, all the working medium b in the adjuster a 7 enters the heat exchanger a 2, all the working medium d enters the heat exchanger b 4 in the adjuster b 8, the working medium b enters the pressure raiser a 1 and then enters the heat exchanger c, part of the working medium b enters the mixed solution of the working medium b and the working medium c, the rest of the working medium b enters the adjuster a 7 through the valve a 11, and the working medium d returns to the heat exchanger a 2 after sequentially passing through the heat exchanger a 2, the adjuster b 8, the heat exchanger b 4 and the pressure raiser b 3.
Claims (6)
1. A large temperature rise super heat pump heat exchange device is characterized by comprising an a pressure raiser (1), an a heat exchanger (2), a b pressure raiser (3), a b heat exchanger (4), a c heat exchanger (5), a d heat exchanger (6), an a regulator (7), a b regulator (8), an a driving device (9), a b driving device (10), an a valve (11), a b valve (12), a c valve (13), a d valve (14), a steam compressor (15), an a circulating pump (16), a b circulating pump (17), a heat sink inlet (18), a heat sink outlet (19), a blade (20), an internal circulating working medium, a heat source inlet (21), a heat source outlet (22) and a heat transfer pipe (23); firstly, a pressure raiser (1), an a heat exchanger (2), an a circulating pump (16) and a c heat exchanger (5) are connected in series to form a loop; in the loop, a pressure raiser (1), a heat exchanger (2), a regulator (7) and b valve (12) are connected in series to form a loop; then the regulator (7) a is connected with the heat exchanger (5) c through a valve (11) a; the heat exchanger (5) is connected with the heat exchanger (6) through a steam compressor (15) and a circulating pump (17) b, and a heat sink inlet (18) and a heat sink outlet (19) are connected with the heat exchanger (6) respectively; secondly, a heat exchanger (2) a, a pressure raiser (3) b, a heat exchanger (4) b, a valve (14) d and a regulator (8) b are connected in series to form another loop; in the circuit, a valve (13) c is communicated with a pressure raiser (3) and a regulator (8) b to divide the circuit into two sub-circuits; and the heat source inlet (21) and the heat source outlet (22) are respectively connected with the b heat exchanger (4).
2. The heat exchange device of the big temperature rise super heat pump according to claim 1, wherein the a-pressure raiser (1) comprises a first low pressure chamber (1a), a first mixing chamber (1b) and a first high pressure chamber (1c), and the a-driving device (9) drives the blades (20) in the first low pressure chamber (1a) and the first high pressure chamber (1c) to rotate through the rotating shaft to perform the compression task.
3. The heat exchange device of the big temperature rise super heat pump according to claim 1, wherein the b-pressure raiser (3) comprises a second low pressure chamber (3a), a second mixing chamber (3b) and a second high pressure chamber (3c), and the b-driving device (10) drives the blades (20) in the second low pressure chamber (3a) and the second high pressure chamber (3c) to rotate through the rotating shaft to perform the compression task.
4. The heat exchange device of the big temperature rise super heat pump according to claim 1, characterized in that a heat transfer pipe (23) is installed in each heat exchanger.
5. The heat exchange device of the large temperature rise super heat pump according to claim 1, wherein the heat sink is industrial wastewater and the heat source is steam.
6. The heat exchange device of the large temperature-rise super heat pump according to claim 1, wherein the internal circulation working medium comprises a working medium CF3CH2CHF2B working medium C2Cl2F4C working medium C4H8NO and d working substance H2O。
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| CN202023138181.4U CN214371068U (en) | 2020-12-23 | 2020-12-23 | Large-temperature-rise super heat pump heat exchange device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112539571A (en) * | 2020-12-23 | 2021-03-23 | 华北电力大学 | Large-temperature-rise super heat pump heat exchange device and heat exchange method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112539571A (en) * | 2020-12-23 | 2021-03-23 | 华北电力大学 | Large-temperature-rise super heat pump heat exchange device and heat exchange method thereof |
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