CN211177498U - Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit - Google Patents
Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit Download PDFInfo
- Publication number
- CN211177498U CN211177498U CN201921049033.XU CN201921049033U CN211177498U CN 211177498 U CN211177498 U CN 211177498U CN 201921049033 U CN201921049033 U CN 201921049033U CN 211177498 U CN211177498 U CN 211177498U
- Authority
- CN
- China
- Prior art keywords
- hot water
- valve
- generator
- direct
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 192
- AMXOYNBUYSYVKV-UHFFFAOYSA-M lithium bromide Chemical compound [Li+].[Br-] AMXOYNBUYSYVKV-UHFFFAOYSA-M 0.000 title claims abstract description 44
- 238000010521 absorption reaction Methods 0.000 title claims abstract description 22
- 239000006096 absorbing agent Substances 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 14
- 230000001105 regulatory effect Effects 0.000 claims abstract description 4
- 239000003507 refrigerant Substances 0.000 claims description 44
- 238000010438 heat treatment Methods 0.000 claims description 32
- 238000002485 combustion reaction Methods 0.000 claims description 18
- 239000000498 cooling water Substances 0.000 claims description 18
- 239000002918 waste heat Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 2
- -1 heat exchanger Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 10
- 239000002699 waste material Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
Abstract
The utility model relates to a direct-fired heat pump and refrigerated lithium bromide absorption formula unit of hot water type, including direct-fired generator, hot water generator, condenser, evaporimeter, absorber, heat exchanger, solution pump, cryogen pump and each valve, divide into two routes from the bottom with the U type pipe that condenser cryogen water entered the evaporimeter, set up cryogen water ball valve on one way cryogen water pipeline, set up cryogen water liquid seal ware on the other way cryogen water pipeline, the two routes cryogen water enters the evaporimeter after joining; and a concentrated solution regulating valve is arranged on the concentrated solution inlet absorber pipe. The utility model discloses solution side has realized the establishment of pressure differential and the regulation of solution circulation volume through the concentrated solution governing valve, and the cryogen water side is the cryogen water ball valve and the cryogen water liquid seal ware that newly set up on the cryogen water U type pipe and guarantees the establishment of pressure differential and the flow of cryogen water to make the unit homoenergetic safe and reliable operation under two kinds of operating modes of heat supply, refrigeration, a tractor serves two-purpose, reduce equipment initial investment cost.
Description
Technical Field
The utility model relates to a direct-fired type heat pump and refrigerated lithium bromide absorption formula unit of hot water type belongs to refrigeration plant technical field.
Background
In the production process or life, air conditioners are needed to be used for heating or cooling, and the heating or cooling needs to be realized only by consuming certain energy. In some production processes, a large amount of intermediate (low) temperature waste heat exists, and some waste heat is discharged because the waste heat cannot be utilized, so that waste is caused. In order to save energy and reduce emission, the lithium bromide absorption type heating or refrigerating technology is utilized, and the waste heat can be recycled to achieve the purpose of heating or refrigerating. Generally, when low-temperature waste heat (about 35 ℃) exists and natural gas or fuel oil is needed to be used for heating, a first-type direct-combustion lithium bromide absorption heat pump unit is a first-type direct-combustion lithium bromide absorption heat pump unit (a flow chart is shown in figure 1); when the medium-temperature waste heat (about 95 ℃) exists, the hot water type lithium bromide absorption water chilling unit is the first choice product when refrigeration is needed (the flow chart is shown in figure 2). Under the conditions and parameter conditions, on occasions where heat supply is needed in winter and refrigeration is needed in summer, two units are needed to be invested, one unit is used for heating, the other unit is used for refrigeration, initial investment cost is high, how to realize heat supply by recycling low-temperature waste heat by using a direct-fired heat pump in winter and refrigeration by driving waste hot water in summer on the same unit can realize one unit with two purposes, investment cost is reduced, energy is saved, safety and reliability are achieved, and the direct-fired heat pump heat supply system becomes one of important subjects of current research.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide a use direct combustion type heat pump recovery low temperature waste heat supply winter, use waste hot water drive refrigeration summer, a tractor serves two-purpose, reduce initial investment, energy can be saved, compact structure, safe and reliable's direct combustion type heat pump and the refrigerated lithium bromide absorption formula unit of hot water type.
The purpose of the utility model is realized like this:
a direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit comprises a direct-fired generator, a hot water generator, a condenser, an evaporator, an absorber, a heat exchanger, a solution pump, a refrigerant pump, a control system, and pipelines and valves for connecting all the parts, wherein the hot water generator and the condenser are arranged in the same shell, and a liquid baffle plate group is arranged between the hot water generator and the condenser;
connecting a concentrated solution outlet pipe of a hot water generator and a concentrated solution outlet pipe of a direct-fired generator together before concentrated solution enters a heat exchanger, connecting a dilute solution inlet pipe of the hot water generator and a dilute solution inlet pipe of the direct-fired generator together after dilute solution exits the heat exchanger, wherein a dilute solution inlet ball valve of the hot water generator is arranged on the dilute solution inlet pipe of the hot water generator, and a dilute solution inlet ball valve of the direct-fired generator is arranged on the dilute solution inlet pipe of the direct-fired generator;
dividing the refrigerant water of the condenser into two paths from the bottom of a U-shaped pipe of the evaporator, arranging a refrigerant water ball valve on one path of refrigerant water pipeline, arranging a refrigerant water liquid sealer on the other path of refrigerant water pipeline, and enabling the two paths of refrigerant water to enter the evaporator after being converged; and a concentrated solution regulating valve is arranged on the concentrated solution inlet absorber pipe.
Preferably, the pressure in the direct combustion generator, the hot water generator and the condenser chamber is the same.
Preferably, when heat is supplied in winter, the valves of the hot water, cold water and cooling water system are driven to be closed, the hot water generator stops working, and the dilute solution inlet ball valve of the hot water generator is closed; the valve of the waste heat water and heating hot water system is opened, the burner is started to enable the direct combustion generator to work, the dilute solution inlet ball valve of the direct combustion generator is opened, the refrigerant water ball valve on the U-shaped pipe is closed, the refrigerant water of the condenser enters the evaporator through the refrigerant water liquid seal device on the U-shaped pipe, the concentrated solution is adjusted to enter the concentrated solution adjusting valve on the absorber pipe, the unit operates according to the working principle of a direct combustion type first-type lithium bromide absorption heat pump, the waste heat water enters the evaporator for cooling, the heating hot water firstly enters the absorber for heating and then enters the condenser for heating to produce hot water for heating users.
Preferably, when refrigerating in summer, the residual hot water and heating hot water system is closed, the burner is closed to stop the direct combustion generator, and the dilute solution inlet ball valve of the direct combustion generator is closed; the valve of the hot water, cold water and cooling water driving system is opened, the dilute solution inlet ball valve of the hot water generator is opened, the refrigerant water ball valve on the U-shaped pipe is opened, the concentrated solution is adjusted to enter the concentrated solution adjusting valve on the absorber pipe, the unit operates according to the working principle of the hot water type lithium bromide absorption type water cooling unit, the hot water is driven to enter the generator for cooling, the cooling water enters the absorber firstly and then enters the condenser to take heat out of the unit, and the cold water enters the evaporator for cooling to prepare the cold water required by a user.
The utility model has the advantages that:
through the brand new structure, flow and valve switching and adjustment, the direct-fired heat pump runs in winter to recover low-temperature waste heat to produce heating hot water, and the waste hot water is used for driving to produce cold water in summer. Because the heating working condition parameters and the refrigeration working condition parameters of the heat pump are different, the pressure difference between the cavity of a generator condenser and the cavity of an evaporator absorber is far larger than the pressure difference under the hot water type refrigeration working condition when the unit operates the heat pump, the establishment of the pressure difference and the adjustment of the solution circulation quantity are realized by the solution side through a concentrated solution adjusting valve, the establishment of the pressure difference and the flow of the refrigerant water are ensured by a refrigerant water ball valve and a refrigerant water liquid sealer which are newly arranged on a refrigerant water U-shaped pipe at the refrigerant water side, and therefore the unit can safely and reliably operate under the two working conditions of heating and refrigeration.
Drawings
Fig. 1 is a flow chart of a conventional direct-combustion first-type lithium bromide absorption heat pump unit;
fig. 2 is a flow chart of the operation of a conventional hot water type lithium bromide absorption chiller;
fig. 3 is a flow chart of the lithium bromide absorption unit of the direct-combustion heat pump and hot water refrigeration of the present invention.
In the figure: the system comprises a direct-fired generator 1, a condenser 2, a refrigerant pump 3, a solution pump 4, an evaporator 5, an absorber 6, a heat exchanger 7, a direct-fired generator dilute solution inlet pipe 8, a direct-fired generator concentrated solution outlet pipe 9, a heating hot water outlet valve 10, a residual hot water outlet valve 11, a residual hot water inlet valve 12, a heating hot water inlet valve 13, a U-shaped pipe 14, a concentrated solution inlet absorber pipe 15, a driving hot water inlet valve 16, a driving hot water outlet valve 17, a hot water generator 18, a cooling water outlet valve 19, a cold water outlet valve 20, a cold water inlet valve 21, a cooling water inlet valve 22, a refrigerant water ball valve 23, a refrigerant water liquid seal 24, a concentrated solution regulating valve 25, a hot water generator dilute solution inlet pipe 26, a hot water generator concentrated solution outlet pipe 27, a hot water generator dilute solution inlet ball valve 28, a direct-fired generator dilute solution inlet ball valve 29 and a liquid baffle plate group 30.
Detailed Description
Referring to fig. 3, the utility model relates to a direct-fired heat pump and refrigerated lithium bromide absorption formula unit of hot water type, this unit includes direct-fired generator 1, hot water generator 18, condenser 2, evaporimeter 5, absorber 6, heat exchanger 7, solution pump 4, cryogen pump 3, control system and connects pipeline, valve etc. of each part. Wherein, the residual hot water inlet and outlet pipeline is correspondingly provided with a residual hot water inlet valve 12 and a residual hot water outlet valve 11, the heating hot water inlet and outlet pipeline is correspondingly provided with a heating hot water inlet valve 13 and a heating hot water outlet valve 10, the residual hot water inlet and outlet pipeline is parallelly and additionally provided with a cold water inlet and outlet pipeline, the heating hot water inlet and outlet pipeline is parallelly and additionally provided with a cooling water inlet and outlet pipeline, the cold water inlet and outlet pipeline is correspondingly provided with a cold water inlet valve 21 and a cold water outlet valve 20, the cooling water inlet and outlet pipeline is correspondingly provided with a cooling water inlet valve 22 and a cooling water outlet valve 19, and the driving hot water inlet and outlet pipeline is correspondingly provided with a driving hot water inlet valve 16 and a driving hot water outlet valve 17.
The pressure in the cavities of the direct combustion generator 1, the hot water generator 18 and the condenser 2 is the same, the hot water generator 18 and the condenser 2 are in the same shell, and a liquid baffle plate group 30 is arranged between the hot water generator 18 and the condenser 2; connecting a hot water generator concentrated solution outlet pipe 27 and a direct-fired generator concentrated solution outlet pipe 9 together before concentrated solution enters a heat exchanger 7, connecting a hot water generator dilute solution inlet pipe 26 and a direct-fired generator dilute solution inlet pipe 8 together after dilute solution exits the heat exchanger, wherein a hot water generator dilute solution inlet ball valve 28 is arranged on the hot water generator dilute solution inlet pipe 26, and a direct-fired generator dilute solution inlet ball valve 29 is arranged on the direct-fired generator dilute solution inlet pipe 8; dividing refrigerant water in the condenser 2 into two paths from the bottom of a U-shaped pipe 14 of the evaporator, arranging a refrigerant water ball valve 23 on one path of refrigerant water pipeline, arranging a refrigerant water liquid sealer 24 on the other path of refrigerant water pipeline, and enabling the two paths of refrigerant water to enter the evaporator 5 after being converged; a concentrated solution adjusting valve 25 is provided on the concentrated solution feed absorber tube 15.
In winter, the driving hot water inlet valve 16, the driving hot water outlet valve 17, the cold water inlet valve 21, the cold water outlet valve 20, the cooling water inlet valve 22 and the cooling water outlet valve 19 are all closed, the hot water generator 18 stops working, and the hot water generator dilute solution inlet ball valve 28 is closed; the method comprises the following steps of opening a waste heat water inlet valve 12, a waste heat water outlet valve 11, a heating hot water inlet valve 13 and a heating hot water outlet valve 10, starting a burner to enable a direct-fired generator 1 to work, opening a dilute solution inlet ball valve 29 of the direct-fired generator, closing a refrigerant water ball valve 23 on a U-shaped pipe, enabling refrigerant water discharged from a condenser to enter an evaporator 5 through a refrigerant water liquid seal device 24 on the U-shaped pipe, adjusting the circulation quantity of solution through a concentrated solution adjusting valve 25, operating a unit according to the working principle of a direct-fired first-type lithium bromide absorption heat pump, enabling the waste heat water to enter the evaporator 5 for cooling, enabling heating hot water to enter an absorber 6 for heating and then enter a condenser 2 for heating to produce hot water for.
In summer refrigeration, the waste hot water inlet valve 12, the waste hot water outlet valve 11, the heating hot water inlet valve 13 and the heating hot water outlet valve 10 are all closed, the burner is closed to stop the direct combustion generator from working, and the dilute solution inlet ball valve 29 of the direct combustion generator is closed; the driving hot water inlet valve 16, the driving hot water outlet valve 17, the cold water inlet valve 21, the cold water outlet valve 20, the cooling water inlet valve 22 and the cooling water outlet valve 19 are all opened, the dilute solution inlet ball valve 28 of the hot water generator is opened, the refrigerant water ball valve 23 on the U-shaped pipe is opened, the solution circulation amount is adjusted through the concentrated solution adjusting valve 25, the refrigerant water from the condenser enters the evaporator 5 through the refrigerant water ball valve 23 on the U-shaped pipe 14 due to the small pressure difference between the cavity of the condenser 2 and the evaporator 5 under the refrigeration working condition and the large resistance of the refrigerant water seal 24 on the U-shaped pipe, and the unit operates according to the working principle of the hot water type lithium bromide absorption water cooling unit. The hot water is driven to enter the hot water generator 18 for cooling, the cooling water firstly enters the absorber 6 and then enters the condenser 2 to take the heat out of the unit, and the cold water enters the evaporator 5 for cooling to prepare the cold water required by the user.
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 (4)
1. The utility model provides a direct combustion type heat pump and refrigerated lithium bromide absorption formula unit of hot water type, this unit includes direct-fired generator (1), hot water generator (18), condenser (2), evaporimeter (5), absorber (6), heat exchanger (7), solution pump (4), cryogen pump (3) and each valve, its characterized in that: the hot water generator (18) and the condenser (2) are arranged in the same shell, and a liquid baffle plate group (30) is arranged between the hot water generator (18) and the condenser (2);
connecting a concentrated solution outlet pipe (27) of a hot water generator with a concentrated solution outlet pipe (9) of a direct-fired generator before the concentrated solution enters a heat exchanger (7), connecting a dilute solution inlet pipe (26) of the hot water generator with a dilute solution inlet pipe (8) of the direct-fired generator after the dilute solution exits the heat exchanger, arranging a dilute solution inlet ball valve (28) of the hot water generator on the dilute solution inlet pipe (26) of the hot water generator, and arranging a dilute solution inlet ball valve (29) of the direct-fired generator on the dilute solution inlet pipe (8) of the direct-fired generator;
dividing refrigerant water of a condenser (2) into two paths from the bottom of a U-shaped pipe (14) of an evaporator, arranging a refrigerant water ball valve (23) on one path of refrigerant water pipeline, arranging a refrigerant water liquid seal device (24) on the other path of refrigerant water pipeline, and enabling the two paths of refrigerant water to enter an evaporator (5) after being converged; a concentrated solution regulating valve (25) is provided on the concentrated solution intake absorber tube (15).
2. The direct-fired heat pump and hot water type refrigerated lithium bromide absorption unit according to claim 1, characterized in that: the pressure in the cavities of the direct-fired generator (1), the hot water generator (18) and the condenser (2) is the same.
3. The direct-fired heat pump and hot water type refrigerated lithium bromide absorption unit according to claim 2, characterized in that: when heat is supplied in winter, the driving hot water inlet valve (16), the driving hot water outlet valve (17), the cold water inlet valve (21), the cold water outlet valve (20), the cooling water inlet valve (22) and the cooling water outlet valve (19) are all closed, the hot water generator (18) stops working, and the dilute solution inlet ball valve (28) of the hot water generator is closed; the method comprises the steps of opening all of a waste heat water inlet valve (12), a waste heat water outlet valve (11), a heating hot water inlet valve (13) and a heating hot water outlet valve (10), starting a burner to enable a direct-fired generator (1) to work, opening a dilute solution inlet ball valve (29) of the direct-fired generator, closing a refrigerant water ball valve (23) on a U-shaped pipe, enabling refrigerant water discharged from a condenser to enter an evaporator (5) through a refrigerant water liquid seal device (24) on the U-shaped pipe, and adjusting the circulation volume of solution through a concentrated solution adjusting valve (25).
4. The direct-fired heat pump and hot water type refrigerated lithium bromide absorption unit according to claim 2, characterized in that: in summer refrigeration, the waste heat water inlet valve (12), the waste heat water outlet valve (11), the heating hot water inlet valve (13) and the heating hot water outlet valve (10) are all closed, the burner is closed to stop the direct combustion generator from working, and the dilute solution inlet ball valve (29) of the direct combustion generator is closed; the driving hot water inlet valve (16), the driving hot water outlet valve (17), the cold water inlet valve (21), the cold water outlet valve (20), the cooling water inlet valve (22) and the cooling water outlet valve (19) are all opened, a dilute solution inlet ball valve (28) of a hot water generator is opened, a refrigerant water ball valve (23) on a U-shaped pipe is opened, refrigerant water coming out of a condenser enters an evaporator (5) through the refrigerant water ball valve (23) on the U-shaped pipe, and the circulation volume of the solution is adjusted through a concentrated solution adjusting valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049033.XU CN211177498U (en) | 2019-07-08 | 2019-07-08 | Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921049033.XU CN211177498U (en) | 2019-07-08 | 2019-07-08 | Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211177498U true CN211177498U (en) | 2020-08-04 |
Family
ID=71804787
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921049033.XU Withdrawn - After Issue CN211177498U (en) | 2019-07-08 | 2019-07-08 | Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211177498U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307662A (en) * | 2019-07-08 | 2019-10-08 | 双良节能系统股份有限公司 | The lithium bromide absorption-type machine unit of direct combustion type heat pump and hot-water type refrigeration |
-
2019
- 2019-07-08 CN CN201921049033.XU patent/CN211177498U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307662A (en) * | 2019-07-08 | 2019-10-08 | 双良节能系统股份有限公司 | The lithium bromide absorption-type machine unit of direct combustion type heat pump and hot-water type refrigeration |
| CN110307662B (en) * | 2019-07-08 | 2023-12-22 | 双良节能系统股份有限公司 | Lithium bromide absorption unit for direct-fired heat pump and hot water type refrigeration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107062934B (en) | Energy-saving vacuumizing cooling system and method | |
| CN201844606U (en) | Novel high-efficiency and direct-fired lithium bromide absorption-type water heater/chiller | |
| CN211177498U (en) | Direct-fired heat pump and hot water type refrigerated lithium bromide absorption type unit | |
| CN211177499U (en) | Lithium bromide absorption type unit of steam type heat pump and hot water type refrigeration | |
| CN110173927B (en) | Direct-fired lithium bromide absorption refrigerator with single-effect heat pump heating function | |
| CN101526282A (en) | Hot-water direct-fired single-double effect compound type lithium bromide absorption type cold water and cold-hot water unit | |
| CN210220284U (en) | Lithium bromide absorption type unit with two-section type steam heat pump and hot water refrigeration | |
| CN109269143B (en) | Novel absorption heat pump and application method thereof | |
| CN203704428U (en) | Flue gas hot water single-effect or dual-effect composite-type lithium bromide absorption-type cold water and cold hot water unit | |
| CN110307662B (en) | Lithium bromide absorption unit for direct-fired heat pump and hot water type refrigeration | |
| CN202973646U (en) | Flue gas hot water afterburning single/double-effect composite lithium bromide absorption refrigerating unit | |
| CN211204489U (en) | Direct-fired lithium bromide absorption type cold water and heat pump unit | |
| CN207247612U (en) | A kind of water route coupling cascade formula low-temperature air-cooling heat pump system | |
| CN105402927A (en) | Dual-condition direct-combustion type single-effect lithium bromide absorption heat pump set | |
| CN211177496U (en) | Direct-fired lithium bromide absorption refrigerator with single-effect heat pump heating function | |
| CN211177495U (en) | Direct-fired lithium bromide absorption water chilling unit with single-effect heat pump heating function | |
| CN211177497U (en) | Double-generator direct-combustion lithium bromide absorption heat pump unit with double-effect refrigeration function | |
| CN201340135Y (en) | Hot water direct combustion single/double effect composite type lithium bromide absorption cold water/hot and cold water set | |
| CN110307664B (en) | Lithium bromide absorption unit for steam heat pump and hot water refrigeration | |
| CN211233439U (en) | Direct-fired lithium bromide absorption heat pump unit with double-effect refrigeration function | |
| CN110173926B (en) | Double-generator direct-fired lithium bromide absorption heat pump unit with double-effect refrigeration function | |
| CN110307663B (en) | Two-stage type steam heat pump and hot water type refrigerating lithium bromide absorption unit | |
| CN203704442U (en) | Two-section type flue gas hot water single effect and double effect lithium bromide absorption type water chilling unit | |
| CN211233440U (en) | Direct-fired lithium bromide absorption type cold water and heat pump double-working-condition unit | |
| CN214891943U (en) | Direct-fired double-effect lithium bromide absorption type cold water and heat pump unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200804 Effective date of abandoning: 20231222 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200804 Effective date of abandoning: 20231222 |