CN211204489U - Direct-fired lithium bromide absorption type cold water and heat pump unit - Google Patents
Direct-fired lithium bromide absorption type cold water and heat pump unit Download PDFInfo
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- CN211204489U CN211204489U CN201921063297.0U CN201921063297U CN211204489U CN 211204489 U CN211204489 U CN 211204489U CN 201921063297 U CN201921063297 U CN 201921063297U CN 211204489 U CN211204489 U CN 211204489U
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/27—Relating to heating, ventilation or air conditioning [HVAC] technologies
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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]
- Y02B30/62—Absorption based systems
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Abstract
The utility model relates to a direct-fired type lithium bromide absorption formula cold water, heat pump set, including evaporimeter, absorber, direct-fired type high pressure generator, low pressure generator, condenser, high temperature heat exchanger, low temperature heat exchanger, solution pump and cryogen pump, the condenser includes first condenser and second condenser, is provided with first valve on the first condenser inlet tube. The utility model discloses an add a condenser and cooling water diverter valve isotructure on direct combustion economic benefits and social benefits type lithium bromide absorption cold water unit basis in the past, make the unit can carry out the operation of refrigerating according to the theory of operation of direct combustion economic benefits and social benefits type lithium bromide absorption cold water unit, also can heat the operation according to the theory of operation of direct combustion single effect type lithium bromide absorption heat pump unit, but a tractor serves two-purpose, for the place that possesses the application condition provides a refrigeration, heating equipment, reduce equipment investment cost, save equipment occupation of land space.
Description
Technical Field
The utility model relates to a lithium bromide absorption refrigeration, heat supply unit belongs to air conditioning equipment technical field.
Background
A conventional direct-combustion double-effect lithium bromide absorption water chilling unit is shown in fig. 1, and the unit is composed of an evaporator 3, an absorber 1, a direct-combustion high-pressure generator 17, a low-pressure generator 29, a condenser 44, a high-temperature heat exchanger 13, a low-temperature heat exchanger 11, a first solution pump 4, a second solution pump 5, a refrigerant pump 2, a control system (not shown in the figure), pipelines and valves for connecting all the components, wherein the solution circulation flow of the unit is a parallel flow, the cooling water flow is a series flow, and cooling water enters and exits the unit through an absorber water inlet pipe 41 and a condenser water outlet pipe 45. When the unit operates, heat generated by burning fuel (gas and fuel oil) by a combustor 16 matched with a direct-fired high-pressure generator 17 is used as driving heat energy to refrigerate and cool cold water entering and exiting a heat exchange tube bundle of the evaporator 3, and cold water for process cooling or building air conditioning with the temperature of more than 5 ℃ is provided for the outside. The unit can only carry out refrigeration operation according to the working principle of the direct-combustion double-effect lithium bromide absorption type water chilling unit and does not have the heat pump heat supply function.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above-mentioned not enough, a direct combustion type lithium bromide absorption formula cold water is provided, heat pump set, through add a condenser and cooling water diverter valve isotructure on the basis of direct combustion economic benefits and social benefits type lithium bromide absorption formula cold water set in the past, make the unit can carry out the operation of refrigerating according to the theory of operation of direct combustion economic benefits and social benefits type lithium bromide absorption formula cold water set, also can heat the operation according to the theory of operation of direct combustion economic benefits and social benefits type lithium bromide absorption heat pump unit, but a tractor serves dual-purpose, provide a refrigeration for the place that possesses the application condition, heating equipment, reduce equipment investment cost, save equipment occupation of land space.
The purpose of the utility model is realized like this:
a direct-combustion lithium bromide absorption cold water and heat pump unit comprises an evaporator, an absorber, a direct-combustion high-pressure generator, a low-pressure generator, a condenser, a high-temperature heat exchanger, a low-temperature heat exchanger, a solution pump and a refrigerant pump, wherein the condenser comprises a first condenser and a second condenser; an absorber water outlet pipe of the absorber is simultaneously connected with a first condenser water inlet pipe of the first condenser and a second condenser water inlet pipe of the second condenser, and a first valve is arranged on the first condenser water inlet pipe.
Preferably, the second condenser inlet pipe is provided with a second valve.
Preferably, the high cross-concentration solution outlet pipe of the high-temperature heat exchanger and the low cross-concentration solution outlet pipe of the low-temperature heat exchanger are combined and connected to an absorber liquid inlet pipe of the absorber.
Preferably, an absorber liquid inlet pipe of the absorber is divided into a first absorber liquid inlet pipe and a second absorber liquid inlet pipe, a high-concentration solution outlet pipe of the high-temperature heat exchanger is connected to the first absorber liquid inlet pipe, and a low-concentration solution outlet pipe of the low-temperature heat exchanger is connected to the second absorber liquid inlet pipe.
Preferably, the low-pressure generator, the first condenser and the second condenser are arranged in the same low-heat condenser cylinder, and a low-heat condenser separation plate is arranged between the first condenser and the low-pressure generator.
Preferably, the first condenser is separately provided in one cylinder.
When the unit operates in a refrigerating mode, the first condenser does not work, and the other components operate in a refrigerating mode according to the operating principle of the direct-combustion double-effect lithium bromide absorption refrigerator, wherein the solution circulation flow of the direct-combustion high-pressure generator and the solution circulation flow of the direct-combustion low-pressure generator are parallel flow, and the cooling water flow of the absorber and the cooling water flow of the second condenser are series flow. When the unit is operated for supplying heat, the second solution pump, the low-temperature heat exchanger, the low-pressure generator and the second condenser do not work, other components operate for heating according to the working principle of the direct-combustion single-effect lithium bromide absorption heat pump unit, the heat of residual hot water in the heat exchange pipe of the evaporator and the heat exchange pipe of the evaporator are recycled, and hot water in the heat exchange pipe of the first condenser and the heat exchange pipe of the absorber are sequentially heated and externally supplied with heat.
The utility model has the advantages that:
the utility model discloses a be provided with first condenser and second condenser in the unit, be equipped with first valve on the first condenser inlet tube of first condenser, be equipped with the second valve on the second condenser inlet tube of second condenser, make the unit can carry out the operation of refrigerating according to direct-fired economic benefits and social benefits type lithium bromide absorption cold water unit theory of operation, also can carry out the heat supply operation according to direct-fired single-effect type lithium bromide absorption heat pump unit theory of operation, but a tractor serves two-purpose, for the place that possesses the application condition provides a refrigeration, heating equipment, reduce equipment investment cost, save equipment occupation of land space.
Drawings
Fig. 1 is a schematic structural view of a conventional direct-combustion double-effect lithium bromide absorption water chiller.
Fig. 2 is a schematic structural view of the direct-combustion lithium bromide absorption type cold water and heat pump unit according to the first embodiment of the present invention.
Fig. 3 is a schematic structural view of a direct-combustion lithium bromide absorption type cold water and heat pump unit according to a second embodiment of the present invention.
Fig. 4 is a schematic structural view of a direct-combustion lithium bromide absorption type cold water and heat pump unit according to a third embodiment of the present invention.
Wherein:
an absorber 1, a refrigerant pump 2, an evaporator 3, a first solution pump 4, a second solution pump 5, a first refrigerant water U-shaped pipe 6, a first solution pump outlet pipe 7, a second solution pump outlet pipe 8, a low concentration outlet pipe 9, a low emission liquid pipe 10, a low temperature heat exchanger 11, a high concentration outlet pipe 12, a high temperature heat exchanger 13, an absorber liquid inlet pipe 14, a high emission liquid pipe 15, a burner 16, a direct combustion high pressure generator 17, a high emission liquid pipe 18, a high emission steam outlet pipe 19, a low emission liquid pipe 20, a first condenser water inlet pipe 21, a first valve 22, a first condenser refrigerant water outlet pipe 23, a low emission refrigerant water outlet pipe 24, a first condenser 25, a first condenser steam inlet pipe 26, a low emission condenser partition plate 27, a low emission condenser cylinder 28, a low pressure generator 29, a low emission steam inlet pipe 30, a second condenser 31, a first condenser water outlet pipe 32, a second condenser water outlet pipe, a low emission, A second condenser water outlet pipe 33, a condenser water outlet header pipe 34, a second valve 35, a second condenser water inlet pipe 36, an absorber water outlet pipe 37, a second refrigerant water U-shaped pipe 38, an evaporator water outlet pipe 39, an evaporator water inlet pipe 40, an absorber water inlet pipe 41, an absorber first liquid inlet pipe 42, an absorber second liquid inlet pipe 43, a condenser 44 and a condenser water outlet pipe 45.
Detailed Description
Referring to fig. 2, the present invention relates to a direct-fired lithium bromide absorption cold water and heat pump unit, which is composed of an evaporator 3, an absorber 1, a direct-fired high pressure generator 17, a low pressure generator 29, a condenser, a high temperature heat exchanger 13, a low temperature heat exchanger 11, a solution pump, a refrigerant pump 2, a control system (not shown in the figure), and pipelines and valves for connecting the components. Wherein, the condenser includes the first condenser 25 and the second condenser 31, the solution pump includes the first solution pump 4 and the second solution pump 5, the dilute solution in the absorber 1 is pumped by the first solution pump 4 and then enters the high temperature heat exchanger 13 through the first solution pump outlet pipe 7, the dilute solution in the absorber 1 is pumped by the second solution pump 5 and then enters the low temperature heat exchanger 11 through the second solution pump outlet pipe 8, the high effluent pipe 15 of the direct combustion type high pressure generator 17 is connected to the concentrated solution inlet of the high temperature heat exchanger 13, the high effluent pipe 18 of the direct combustion type high pressure generator 17 is connected to the dilute solution outlet of the high temperature heat exchanger 13, the low effluent pipe 10 of the low pressure generator 29 is connected to the concentrated solution inlet of the low temperature heat exchanger 11, the low effluent pipe 20 of the low pressure generator 29 is connected to the dilute solution outlet of the low temperature heat exchanger 11, the low pressure generator 29, the first condenser 25 and the second condenser 31 are arranged in the same low temperature condenser cylinder 28, a low-heat condenser separation plate 27 is provided between the first condenser 25 and the low-pressure generator 29. The water outlet pipe 37 of the absorber is connected with the water inlet pipe 21 of the first condenser and the water inlet pipe 36 of the second condenser at the same time, the water inlet pipe 21 of the first condenser is provided with a first valve 22, and the water inlet pipe 36 of the second condenser is provided with a second valve 35; the high-generation steam outlet pipe 19 is connected with the low-generation steam inlet pipe 30 and the first condenser steam inlet pipe 26 at the same time; the first condenser refrigerant water outlet pipe 23 and the low refrigerant water outlet pipe 24 are connected to the first refrigerant water U-shaped pipe 6 at the same time, and the refrigerant water of the second condenser enters the evaporator 3 through the second refrigerant water U-shaped pipe 38; a concentrated solution outlet pipe of the high-temperature heat exchanger 13, namely a high cross concentrated solution outlet pipe 12, and a concentrated solution outlet pipe of the low-temperature heat exchanger 11, namely a low cross concentrated solution outlet pipe 9 are simultaneously connected to an absorber liquid inlet pipe 14; the first condenser outlet pipe 32 of the first condenser 25 and the second condenser outlet pipe 33 of the second condenser 31 are merged and connected to a condenser outlet water manifold 34.
When the unit is operated in a refrigerating mode, the first valve 22 is closed, the second valve 35 is opened, the first condenser 25 does not work, cold water enters and exits the unit through the evaporator water inlet pipe 40 and the evaporator water outlet pipe 39, cooling water enters and exits the unit through the absorber water inlet pipe 41 and the condenser water outlet header pipe 34, and the unit performs refrigerating operation according to the operating principle of the direct-combustion double-effect lithium bromide absorption type water cooling unit. Wherein, the solution circulation flow of the direct-combustion high-pressure generator 17 and the low-pressure generator 29 is a parallel flow, and the cooling water flow of the absorber 1 and the second condenser 31 is a series flow.
When the unit is operated for supplying heat, the first valve 22 is opened, the second valve 35 is closed, the second solution pump 5, the low-temperature heat exchanger 11, the low-pressure generator 29 and the second condenser 31 do not work, residual heat water enters and exits the unit through the evaporator water inlet pipe 40 and the evaporator water outlet pipe 39, hot water enters and exits the unit through the absorber water inlet pipe 41 and the condenser water outlet main pipe 34, the unit performs heating operation according to the working principle of the direct-combustion single-effect lithium bromide absorption heat pump unit, the heat of the residual heat water in the heat exchange pipes of the inlet and outlet evaporators 3 is recycled, and hot water in the heat exchange pipes of the inlet and outlet absorbers 1 and the first condenser 25 in sequence is heated, heated and supplied with heat to the outside.
Second embodiment referring to fig. 3, the absorber inlet pipe 14 is divided into a first absorber inlet pipe 42 and a second absorber inlet pipe 43, the high cross-rich solution outlet pipe 12 is connected to the first absorber inlet pipe 42, and the low cross-rich solution outlet pipe 9 is connected to the second absorber inlet pipe 43, so that the rich solution outlet pipes of the high temperature heat exchanger 13 and the low temperature heat exchanger 11 are independently connected to the absorber 1. The remaining structure is the same as that of the first embodiment.
Third embodiment referring to fig. 4, the first condenser 25 is separately provided in one condenser cylinder, and the rest of the structure is the same as that of the first embodiment.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (3)
1. The utility model provides a direct combustion type lithium bromide absorption formula cold water, heat pump set, includes evaporimeter (3), absorber (1), direct combustion type high pressure generator (17), low pressure generator (29), condenser, high temperature heat exchanger (13), low temperature heat exchanger (11), solution pump and cryogen pump (2), and the condenser includes first condenser (25) and second condenser (31), and the solution pump includes first solution pump (4) and second solution pump (5), its characterized in that: a high-generation steam outlet pipe (19) of the direct-combustion high-pressure generator (17) is simultaneously connected with a low-generation steam inlet pipe (30) of a low-pressure generator (29) and a first condenser steam inlet pipe (26) of a first condenser (25); an absorber water outlet pipe (37) of the absorber (1) is simultaneously connected with a first condenser water inlet pipe (21) of the first condenser (25) and a second condenser water inlet pipe (36) of the second condenser (31), a first valve (22) is arranged on the first condenser water inlet pipe (21), and a second valve (35) is arranged on the second condenser water inlet pipe (36); a high cross concentrated solution outlet pipe (12) of the high-temperature heat exchanger (13) and a low cross concentrated solution outlet pipe (9) of the low-temperature heat exchanger (11) are combined and connected to an absorber liquid inlet pipe (14) of the absorber (1) or the absorber liquid inlet pipe (14) of the absorber (1) is divided into a first absorber liquid inlet pipe (42) and a second absorber liquid inlet pipe (43), the high cross concentrated solution outlet pipe (12) of the high-temperature heat exchanger (13) is connected to the first absorber liquid inlet pipe (42), and the low cross concentrated solution outlet pipe (9) of the low-temperature heat exchanger (11) is connected to the second absorber liquid inlet pipe (43).
2. The direct-combustion lithium bromide absorption cold water and heat pump unit according to claim 1, characterized in that: the low-pressure generator (29), the first condenser (25) and the second condenser (31) are arranged in the same low-heat condenser cylinder (28), and a low-heat condenser separation plate (27) is arranged between the first condenser (25) and the low-pressure generator (29).
3. The direct-combustion lithium bromide absorption cold water and heat pump unit according to claim 1, characterized in that: the first condenser (25) is separately provided in one cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063297.0U CN211204489U (en) | 2019-07-09 | 2019-07-09 | Direct-fired lithium bromide absorption type cold water and heat pump unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921063297.0U CN211204489U (en) | 2019-07-09 | 2019-07-09 | Direct-fired lithium bromide absorption type cold water and heat pump unit |
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| CN211204489U true CN211204489U (en) | 2020-08-07 |
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| CN201921063297.0U Active CN211204489U (en) | 2019-07-09 | 2019-07-09 | Direct-fired lithium bromide absorption type cold water and heat pump unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307665A (en) * | 2019-07-09 | 2019-10-08 | 双良节能***股份有限公司 | Direct-fired lithium bromide absorption type cold water, heat pump unit |
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- 2019-07-09 CN CN201921063297.0U patent/CN211204489U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307665A (en) * | 2019-07-09 | 2019-10-08 | 双良节能***股份有限公司 | Direct-fired lithium bromide absorption type cold water, heat pump unit |
| CN110307665B (en) * | 2019-07-09 | 2024-06-18 | 双良节能***股份有限公司 | Direct-fired lithium bromide absorption type cold water and heat pump unit |
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