CN217402895U - Dual-purpose heat pump unit - Google Patents
Dual-purpose heat pump unit Download PDFInfo
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- CN217402895U CN217402895U CN202220968568.2U CN202220968568U CN217402895U CN 217402895 U CN217402895 U CN 217402895U CN 202220968568 U CN202220968568 U CN 202220968568U CN 217402895 U CN217402895 U CN 217402895U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
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Abstract
The utility model belongs to the technical field of the refrigeration, a dual-purpose heat pump set is disclosed. Comprises a low-temperature heat recoverer, a heater, a condenser and a high-temperature heat recoverer; the low-temperature heat recoverer is adjacently connected with the heater, the condenser is adjacently connected with the high-temperature heat recoverer, one end of the heater is sequentially connected with the internal heat recoverer, the dilute solution pump and the high-temperature heat recoverer through pipelines, and the other end of the heater is sequentially connected with the solution valve A, the concentrated solution pump, the solution valve B and the internal heat recoverer through pipelines; one end of the internal heat recoverer is provided with a pipeline which is independently connected with the high-temperature heat recoverer, the low-temperature heat recoverer is connected with the condenser through two pipelines respectively, one pipeline is provided with a refrigerant pump, and the heater is connected with the condenser through a hot water pipeline B; the low-temperature heat recoverer and the high-temperature heat recoverer are connected through a waste heat pipeline B. The unit realizes dual purposes by switching two heat pump modes in different seasons.
Description
Technical Field
The utility model belongs to the technical field of the refrigeration, the utility model relates to a dual-purpose heat pump unit.
Background
The absorption heat pump is driven by heat energy (steam, hot water, flue gas, fuel and the like) to recover the heat of low-temperature heat source water and obtain high-temperature hot water, and the absorption heat pump is specifically applied to two types, namely a heating type first type heat pump and a heating type second type heat pump. The first heat pump of the heating type generally needs high-temperature heat as a driving heat source, recovers low-temperature waste heat at 10-60 ℃ and obtains medium-temperature hot water at 45-95 ℃, and the heat pump is widely applied to the heat supply field; the temperature-raising type second heat pump does not need high-temperature heat as a driving heat source, recovers waste heat above 50 ℃, obtains higher-temperature hot water or steam under the condition of introducing cooling water, and is more applied in the process field; the two heat pumps have different structures and characteristics and cannot be mutually converted, however, in practice, some process occasions need heat sources all the year round, but the heat waste conditions in winter and summer are different, and a heat pump with two purposes is hoped to be used by one machine, so that the maximum utilization of the heat waste resources is realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming not enough among the above-mentioned background art, provide a dual-purpose heat pump set, this unit realizes a tractor serves two purposes through two kinds of heat pump mode switch in different seasons.
The utility model provides a technical scheme that its technical problem adopted is: a dual-purpose heat pump unit comprises a low-temperature heat recoverer, a heater, a condenser and a high-temperature heat recoverer; the low-temperature heat recoverer is adjacently connected with the heater, the condenser is adjacently connected with the high-temperature heat recoverer, one end of the heater is sequentially connected with the internal heat recoverer, the dilute solution pump and the high-temperature heat recoverer through pipelines, and the other end of the heater is sequentially connected with the solution valve A, the concentrated solution pump, the solution valve B and the internal heat recoverer through pipelines; one end of the internal heat recoverer is provided with a pipeline which is independently connected with the high-temperature heat recoverer, the low-temperature heat recoverer is connected with the condenser through two pipelines respectively, one pipeline is provided with a refrigerant pump, and the refrigerant pump is arranged at a pipeline close to the condenser; the heater is connected with the condenser through a hot water pipeline B; the low-temperature heat recoverer and the high-temperature heat recoverer are connected through a waste heat pipeline B, and energy storage devices are arranged in the heater, the condenser and the high-temperature heat recoverer.
The front end and the tail end of the waste heat pipeline B are respectively provided with a waste heat valve A and a waste heat valve C, the waste heat valve B is arranged in the middle of the pipeline, the waste heat valve A is arranged at one end of the low-temperature heat recoverer, the waste heat valve B is arranged on the waste heat pipeline B between the low-temperature heat recoverer and the high-temperature heat recoverer, and the waste heat valve C is arranged at one end of the high-temperature heat recoverer.
The front end and the tail end of the hot water pipeline B are respectively provided with a hot water valve A and a hot water valve C, the hot water valve B is arranged in the middle of the pipeline, the hot water valve A is arranged at one end of the heater, the hot water valve B is arranged on the hot water pipeline B between the low-temperature heat recoverer and the condenser, and the hot water valve C is arranged at one end of the condenser.
Furthermore, the energy storage device comprises a refrigerant water energy storage device and a solution energy storage device, the refrigerant water energy storage device can store energy for the refrigerant, and the refrigerant can be supplemented when the refrigerant is insufficient; the solution energy storage device can store energy for the solution in the low-concentration mode, and can supplement the solution when the concentration of the solution is increased.
Further, the heater is also connected with a hot water pipeline A; the condenser is also connected with a hot water/cooling water pipeline; the low-temperature heat recoverer is also connected with a waste heat pipeline A;
further, the concentrated solution pump is connected with a solution valve C in parallel, one end of a pipeline of the solution valve C is connected with a pipeline at the front end of the solution valve A, and the other end of the pipeline of the solution valve C is connected with a pipeline at the tail end of the solution valve B;
furthermore, the high-temperature heat recoverer is also connected with a waste heat/driving heat source pipeline.
And the low-temperature heat recoverer, the heater, the condenser and the high-temperature heat recoverer are respectively provided with a pressure sensor, a temperature sensor and a concentration monitor.
The low-temperature heat recoverer, the heater, the condenser, the high-temperature heat recoverer, the internal heat recoverer, the dilute solution pump, the concentrated solution pump, the refrigerant pump, the solution valve A, the solution valve B, the solution valve C, the hot water valve A, the hot water valve B, the hot water valve C, the waste heat valve A, the waste heat valve B, the waste heat valve C, the pressure sensor, the temperature sensor and the concentration monitor are respectively connected with the PLC system.
The unit can realize the switching operation of two heat pump modes according to external conditions, one is a first type of heat pump of a heating type, a high-temperature heat source enters a high-temperature heat recoverer, a low-temperature heat recoverer recovers a low-temperature heat source, and heat is obtained from a heater and a condenser; the other type is a heating type second type heat pump, waste heat enters a low-temperature heat recoverer and a high-temperature heat recoverer in sequence for heat recovery, cooling water is introduced into a condenser, and high-temperature heat is obtained from a heater. The unit realizes the switching operation of two heat pumps by arranging a valve, a control system and an energy storage device.
Compared with the prior art, the utility model beneficial effect who has is:
the utility model provides a pair of dual-purpose heat pump set realizes a tractor serves two-purpose through two kinds of heat pump mode switching in different seasons, satisfies the technology demand, sets up energy storage equipment through heater, condenser, high temperature heat recovery device, solves the different matching problems of conditions such as pressure, concentration of two kinds of heat pumps, finally realizes the switching of two kinds of heat pump modes. The main beneficial effects are:
1. the machine has two functions, and the utilization rate of the equipment is improved.
2. One set of system, the system is simpler.
3. The utilization maximization of waste heat resources is realized, and the energy efficiency is improved.
4. The investment is lower.
Drawings
The invention is further described below with reference to the following figures and examples:
fig. 1 is a schematic view of a dual-purpose heat pump unit of the present invention.
In the figure, 1, a low-temperature heat recoverer, 2, a heater, 3, a condenser, 4, a high-temperature heat recoverer, 5, an internal heat recoverer, 6, a dilute solution pump, 7, a concentrated solution pump, 8, a refrigerant pump, 9, a hot water pipeline A, 10, a hot water pipeline B, 11, a hot water/cooling water pipeline, 12, a waste heat pipeline A, 13, a waste heat pipeline B, 14, a waste heat/driving heat source pipeline, 15, a solution valve A, 16, a solution valve B, 17, a solution valve C, 18, a hot water valve A, 19, a hot water valve B, 20, a hot water valve C, 21, a waste heat valve A, 22, a waste heat valve B, 23 and a waste heat valve C are arranged in sequence.
Detailed Description
The present invention will be further described with reference to the drawings attached to the specification, but the present invention is not limited to the following embodiments. In the following embodiments, a low-temperature heat recovery device, a heater, a condenser, a high-temperature heat recovery device, an internal heat recovery device, a dilute solution pump, a concentrated solution pump, a refrigerant pump, a solution valve a, a solution valve B, a solution valve C, a hot water valve a, a hot water valve B, a hot water valve C, a waste heat valve a, a waste heat valve B, a waste heat valve C, a pressure sensor, a temperature sensor, and a concentration monitor, which are connected to a PLC system, are not limited to a certain type, and can implement their operation functions.
Example 1
A dual-purpose heat pump unit is shown in figure 1 and comprises a low-temperature heat recoverer 1, a heater 2, a condenser 3 and a high-temperature heat recoverer 4; the low-temperature heat recoverer 1 is adjacently connected with the heater 2, the condenser 3 is adjacently connected with the high-temperature heat recoverer 4, one end of the heater 2 is sequentially connected with the internal heat recoverer 5, the dilute solution pump 6 and the high-temperature heat recoverer 4 through pipelines, and the other end of the heater 2 is sequentially connected with the solution valve A15, the concentrated solution pump 7, the solution valve B16 and the internal heat recoverer 5 through pipelines; one end of the internal heat recoverer 5 is provided with a pipeline which is independently connected with the high-temperature heat recoverer 4, the low-temperature heat recoverer 1 is connected with the condenser 3 through two pipelines respectively, one pipeline is provided with a refrigerant pump 8, and the refrigerant pump 8 is arranged at a pipeline close to the condenser 3; the heater 2 is connected with the condenser 3 through a hot water pipeline B10; the low-temperature heat recoverer 1 is connected with the high-temperature heat recoverer 4 through a waste heat pipeline B13, and energy storage devices are arranged in the heater 2, the condenser 3 and the high-temperature heat recoverer 4.
The front end and the tail end of the waste heat pipeline B13 are respectively provided with a waste heat valve A21 and a waste heat valve C23, a waste heat valve B22 is arranged in the middle of the pipeline, the waste heat valve A21 is arranged at one end of the low-temperature heat recoverer 1, the waste heat valve B22 is arranged on a waste heat pipeline B13 between the low-temperature heat recoverer 1 and the high-temperature heat recoverer 4, and the waste heat valve C23 is arranged at one end of the high-temperature heat recoverer 4.
The front end and the tail end of the hot water pipeline B10 are respectively provided with a hot water valve A18 and a hot water valve C20, the middle of the pipeline is provided with a hot water valve B19, the hot water valve A18 is arranged at one end of the heater 2, the hot water valve B19 is arranged on a hot water pipeline B10 between the low-temperature heat recoverer 1 and the condenser 3, and the hot water valve C20 is arranged at one end of the condenser 3.
Further, the heater 2 is also connected with a hot water pipeline A9; the condenser 3 is also connected with a hot water/cooling water pipeline 11; the low-temperature heat recoverer 1 is also connected with a waste heat pipeline A12;
further, the concentrated solution pump 7 is connected in parallel with a solution valve C17, one end of a pipeline of the solution valve C17 is connected with a pipeline at the front end of the solution valve A15, and the other end of the pipeline is connected with a pipeline at the tail end of the solution valve B16;
further, the high temperature heat recovery device 4 is connected with a waste heat/driving heat source pipeline 14.
The low-temperature heat recoverer 1, the heater 2, the condenser 3 and the high-temperature heat recoverer 4 are respectively provided with a pressure sensor, a temperature sensor and a concentration monitor.
The low-temperature heat recoverer 1, the heater 2, the condenser 3, the high-temperature heat recoverer 4, the internal heat recoverer 5, the dilute solution pump 6, the concentrated solution pump 7, the refrigerant pump 8, the solution valve A15, the solution valve B16, the solution valve C17, the hot water valve A18, the hot water valve B19, the hot water valve C20, the waste heat valve A21, the waste heat valve B22, the waste heat valve C23, the pressure sensor, the temperature sensor and the concentration monitor are respectively connected with the PLC system.
The operation process of the first type heat pump as a heating type of the unit is as follows: a driving heat source (steam, hot water, fuel combustion heat, flue gas and the like) enters a high-temperature heat recoverer 4 to heat a dilute solution which is obtained from a heater 2 and subjected to heat exchange through a solution pump 7 and an internal heat recoverer 5, the dilute solution is heated to boil, refrigerant water is evaporated into refrigerant steam, and the dilute solution is concentrated into a concentrated solution; the concentrated solution enters a heater 2 after heat exchange through a solution pump 6 and an internal heat recoverer 5, and the concentrated solution in the heater 2 absorbs refrigerant steam from a low-temperature heat recoverer 1 to become dilute solution; refrigerant steam evaporated from the high-temperature heat recoverer 4 enters the condenser 3, the refrigerant steam is condensed into refrigerant water, the refrigerant water enters the low-temperature heat recoverer 1 through the refrigerant pump 8, and the refrigerant evaporates and absorbs external low-temperature waste heat in the low-temperature heat recoverer 1; when the system operates in the mode, the solution valve A15 and the solution valve B16 are opened, the solution valve C17 is closed, the hot water valve A18 and the hot water valve C20 are closed, the hot water valve B19 is opened, the waste heat valve A21 and the waste heat valve C23 are opened, and the waste heat valve B22 is closed; the external low-temperature waste heat enters the low-temperature heat recoverer 1 through the waste heat pipeline 12 for waste heat recovery, and the hot water sequentially enters the heater 2 and the condenser 3 through the hot water pipeline A9, the hot water pipeline B10 and the hot water/cooling water pipeline 11 to be heated twice to become high-temperature hot water.
The operation process of the unit as a temperature-raising type second-class heat pump is as follows: external waste heat sources (steam, hot water, process media and the like) sequentially enter the low-temperature heat recoverer 1 and the high-temperature heat recoverer 4, internal refrigerant evaporates to absorb waste heat for the first time in the low-temperature heat recoverer 1, waste heat heats dilute solution which is obtained from the heater 2 and subjected to heat exchange through the internal heat recoverer 5 in the high-temperature heat recoverer 4, the dilute solution is heated and boiled, refrigerant water evaporates to be refrigerant steam, and the dilute solution is concentrated to be concentrated solution; the concentrated solution enters a heater 2 after heat exchange through a solution pump 6 and an internal heat recoverer 5, and the concentrated solution in the heater 2 absorbs refrigerant steam from a low-temperature heat recoverer 1 to become dilute solution; refrigerant steam evaporated from the high-temperature heat recoverer 4 enters the condenser 3, is condensed into refrigerant water, and enters the low-temperature heat recoverer 1 through the refrigerant pump 8; when the system operates in the mode, the solution valve A15 and the solution valve B16 are closed, the solution valve C17 is opened, the solution pump 7 is stopped, the hot water valve A18 and the hot water valve C20 are opened, the hot water valve B19 is closed, the waste heat valve A21 and the waste heat valve C23 are closed, and the waste heat valve B22 is opened; external low-temperature waste heat sequentially passes through a waste heat pipeline A12, a waste heat pipeline B13 and a waste heat/driving heat source pipeline 14 to enter a low-temperature heat recoverer 1 and a high-temperature heat recoverer 4 for waste heat recovery, hot water enters a heater 2 through a hot water pipeline 9 to be heated into high-temperature hot water, and cooling water is introduced into a condenser 3 through a cooling water pipeline 11; in the mode, cooling water is introduced through the condenser 3 to create a low-pressure condition for the high-temperature heat recoverer 4, so that a concentrated solution with higher concentration can be obtained, the saturated temperature of the concentrated solution entering the heater 2 with higher pressure is increased, refrigerant steam in the low-temperature heat recoverer 1 is absorbed, and circulation for preparing high-temperature hot water is realized.
The utility model discloses two kinds of heat pump switch over through setting up conversion valve, control switched systems realization, through setting up energy storage equipment in heater 2, condenser 3, the high temperature heat recovery device 4, solve the different matching problems of conditions such as pressure, concentration of two kinds of heat pumps, finally realize the safety of two kinds of heat pump modes, steady operation.
The utility model discloses only explain with the condition of single-stage circulation, other multistage circulations all can reach dual-purpose heat pump set's purpose through the application of this method, the utility model discloses do not describe respectively, nevertheless all belong to the utility model discloses the scope.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. A dual-purpose heat pump unit is characterized by comprising a low-temperature heat recoverer (1), a heater (2), a condenser (3) and a high-temperature heat recoverer (4); the low-temperature heat recovery device (1) is adjacently connected with the heater (2), the condenser (3) is adjacently connected with the high-temperature heat recovery device (4), one end of the heater (2) is sequentially connected with the internal heat recovery device (5), the dilute solution pump (6) and the high-temperature heat recovery device (4) through pipelines, and the other end of the heater (2) is sequentially connected with the solution valve A (15), the concentrated solution pump (7), the solution valve B (16) and the internal heat recovery device (5) through pipelines; one end of the internal heat recoverer (5) is provided with a pipeline which is independently connected with the high-temperature heat recoverer (4), the low-temperature heat recoverer (1) is connected with the condenser (3) through two pipelines respectively, one pipeline is provided with a refrigerant pump (8), and the refrigerant pump (8) is arranged at a pipeline close to the condenser (3); the heater (2) is connected with the condenser (3) through a hot water pipeline B (10); the low-temperature heat recoverer (1) is connected with the high-temperature heat recoverer (4) through a waste heat pipeline B (13), and energy storage devices are arranged in the heater (2), the condenser (3) and the high-temperature heat recoverer (4).
2. The dual-purpose heat pump unit of claim 1, wherein the front end and the tail end of the waste heat pipe B (13) are respectively provided with a waste heat valve a (21) and a waste heat valve C (23), the waste heat valve B (22) is arranged in the middle of the pipe, the waste heat valve a (21) is arranged at one end of the low temperature heat recoverer (1), the waste heat valve B (22) is arranged on the waste heat pipe B (13) between the low temperature heat recoverer (1) and the high temperature heat recoverer (4), and the waste heat valve C (23) is arranged at one end of the high temperature heat recoverer (4).
3. The dual-purpose heat pump unit as claimed in claim 2, wherein the hot water valve a (18) and the hot water valve C (20) are respectively disposed at the front end and the end of the hot water pipe B (10), the hot water valve B (19) is disposed in the middle of the pipe, the hot water valve a (18) is disposed at one end of the heater (2), the hot water valve B (19) is disposed on the hot water pipe B (10) between the low temperature heat recovery unit (1) and the condenser (3), and the hot water valve C (20) is disposed at one end of the condenser (3).
4. A dual-purpose heat pump unit according to claim 3, wherein the heater (2) is further connected to a hot water line a (9); the condenser (3) is also connected with a hot water/cooling water pipeline (11); the low-temperature heat recoverer (1) is also connected with a waste heat pipeline A (12).
5. The dual-purpose heat pump unit of claim 4, wherein the concentrated solution pump (7) is connected in parallel with the solution valve C (17), and one end of the pipeline of the solution valve C (17) is connected with the front end of the solution valve A (15) and the other end is connected with the tail end of the solution valve B (16).
6. A dual-purpose heat pump unit according to claim 5, characterized in that the high temperature heat recovery unit (4) is further connected with a waste heat/driving heat source pipe (14).
7. The dual-purpose heat pump unit of claim 6, wherein the low-temperature heat recovery unit (1), the heater (2), the condenser (3) and the high-temperature heat recovery unit (4) are respectively provided with a pressure sensor, a temperature sensor and a concentration monitor.
8. The dual-purpose heat pump unit of claim 7, wherein the low-temperature heat recovery device (1), the heater (2), the condenser (3), the high-temperature heat recovery device (4), the internal heat recovery device (5), the dilute solution pump (6), the concentrated solution pump (7), the refrigerant pump (8), the solution valve A (15), the solution valve B (16), the solution valve C (17), the hot water valve A (18), the hot water valve B (19), the hot water valve C (20), the waste heat valve A (21), the waste heat valve B (22), the waste heat valve C (23), the pressure sensor, the temperature sensor and the concentration monitor are respectively connected with the PLC system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968568.2U CN217402895U (en) | 2022-04-25 | 2022-04-25 | Dual-purpose heat pump unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220968568.2U CN217402895U (en) | 2022-04-25 | 2022-04-25 | Dual-purpose heat pump unit |
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| Publication Number | Publication Date |
|---|---|
| CN217402895U true CN217402895U (en) | 2022-09-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220968568.2U Active CN217402895U (en) | 2022-04-25 | 2022-04-25 | Dual-purpose heat pump unit |
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| CN (1) | CN217402895U (en) |
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2022
- 2022-04-25 CN CN202220968568.2U patent/CN217402895U/en active Active
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Address after: 116600 No.117, 118 Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No.10 Songlan Street) Patentee after: Bingshan Songyang Refrigeration (Dalian) Co.,Ltd. Address before: 116600 No.117, 118 Huaihe West Road, Dalian Economic and Technological Development Zone, Liaoning Province (No.10 Songlan Street) Patentee before: PANASONIC REFRIGERATION (DALIAN) CO.,LTD. |