CN217131554U - Lithium bromide cold and hot water integrated unit - Google Patents
Lithium bromide cold and hot water integrated unit Download PDFInfo
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- CN217131554U CN217131554U CN202220482665.0U CN202220482665U CN217131554U CN 217131554 U CN217131554 U CN 217131554U CN 202220482665 U CN202220482665 U CN 202220482665U CN 217131554 U CN217131554 U CN 217131554U
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Abstract
The utility model discloses a lithium bromide hot and cold water integration unit, including lithium bromide cold water machine, cooling tower, cooling water pump, frozen water pump, heat exchanger, heat source supply end and hot-water pump, the exit end of heat source supply end and the heat source entrance point of the generator of lithium bromide cold water machine and heat exchanger's first inlet connection, the heat source exit end and heat exchanger's first inlet connection of generator, heat exchanger's first exit end and the inlet connection of heat source supply end. The utility model discloses the beneficial effect who gains: the low-grade heat source output from the lithium bromide water chiller is fully utilized, the energy utilization rate is improved, the energy consumption is reduced, the temperature difference between the high-grade heat source and the low-grade heat source of the lithium bromide water chiller is small, and the energy efficiency ratio of the lithium bromide water chiller is ensured.
Description
Technical Field
The utility model relates to a technical field of air conditioner, concretely relates to lithium bromide hot and cold water integration unit.
Background
For a four-pipe air conditioning system, the air conditioning system can supply heat and cool at the same time, when a lithium bromide water chiller is adopted, two paths of high-grade heat sources are usually required to be supplied, the heat sources comprise hot water, hot steam or other high-grade energy sources, wherein one path of high-grade heat source provides energy source refrigerating water for the lithium bromide water chiller, the other path of high-grade heat source provides energy source refrigerating water for a heat exchanger, thus not only a large amount of high-grade energy sources are required to be consumed, but also the lithium bromide water chiller can normally work only by using a higher-grade heat source, under the normal condition, the water inlet temperature of hot water at the side of a hot water supply side is higher than 90 ℃, the hot water outlet is usually higher than 70 ℃, the hot water outlet is not directly refluxed and reheated at present, the energy utilization rate is not high, the temperature difference between the hot water outlet and the outside is large in the refluxing process, the heat loss is serious, therefore, the energy consumption and the loss of the existing lithium bromide water chiller are high, and the energy utilization rate is lower.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide a lithium bromide hot and cold water integration unit, it includes lithium bromide cold water machine, cooling tower, cooling water pump, frozen water pump, heat exchanger, heat source supply end and heat-exchanger pump, this lithium bromide hot and cold water integration unit has the advantage that reduces energy consumption, improves energy utilization, guarantees lithium bromide cold water machine energy efficiency ratio.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a lithium bromide cold and hot water integrated unit comprises a lithium bromide cold water machine, wherein the lithium bromide cold water machine comprises a generator, a condenser, an evaporator and an absorber, a steam outlet end of the generator is connected with a first inlet end of the condenser, a solution outlet end of the generator is connected with a first inlet end of the absorber, a first outlet end of the condenser is connected with a first inlet end of the evaporator, an outlet end of the evaporator is connected with a first inlet end of the absorber, and a first outlet end of the absorber is connected with a solution inlet end of the generator;
the cooling tower comprises a generator, a condenser, a heat source supply end, a terminal device and a hot water pump, wherein the outlet end of the cooling tower is connected with the inlet end of the cooling water pump, the outlet end of the cooling water pump is connected with the second inlet end of the condenser, the second outlet end of the condenser is connected with the inlet end of the cooling tower, the outlet end of the heat source supply end is connected with the heat source inlet end of the generator and the first inlet end of the heat exchanger, the heat source outlet end of the generator is connected with the first inlet end of the heat exchanger, the first outlet end of the heat exchanger is connected with the inlet end of the heat source supply end, the second outlet end of the evaporator and the second outlet end of the heat exchanger are respectively connected with the inlet ends of corresponding terminal devices, and the outlet end of the terminal device is connected with the inlet end of the chilled water pump or the inlet end of the hot water pump, the outlet end of the chilled water pump is connected with the second inlet end of the evaporator, and the outlet end of the hot water pump is connected with the second inlet end of the heat exchanger.
Preferably, an outlet end of the heat source supply end is connected to first ports of a first heat source solenoid valve, a second heat source solenoid valve and a first bypass three-way solenoid valve, a second port of the first heat source solenoid valve is connected to a heat source inlet end of the generator, a heat source outlet end of the generator is connected to a second port of the first bypass three-way solenoid valve, a third port of the first bypass three-way solenoid valve and a second port of the second heat source solenoid valve are connected to a first inlet end of the heat exchanger and a first port of a second bypass three-way solenoid valve, a second port of the second heat source solenoid valve is connected to a first inlet end of the heat exchanger, a second outlet end of the heat exchanger is connected to a second port of the second bypass three-way solenoid valve, and a third port of the second bypass three-way solenoid valve is connected to an inlet end of the heat source supply end, by the arrangement, when cold and heat are needed in summer, the first heat source electromagnetic valve is opened, the second heat source electromagnetic valve is closed, a heat source at a heat source supply end enters the generator through the first heat source electromagnetic valve, a heat source is provided for the lithium bromide water chiller to be made into chilled water, and the chilled water is conveyed to a terminal device through the chilled water pump and a chilled water pipe network; when the outlet water temperature of the chilled water is lower, the opening degree of the first bypass three-way electromagnetic valve is increased, the amount of the heat source entering the generator through the first heat source electromagnetic valve is reduced, and the refrigerating capacity is reduced; when the outlet water temperature of the chilled water is higher, the opening degree of the first bypass three-way electromagnetic valve is reduced, the amount of heat sources entering the generator through the first heat source electromagnetic valve is increased, and the refrigerating capacity is increased; after the high-grade heat source exchanges heat from the lithium bromide water chiller, the temperature is reduced, the high-grade heat source is mixed with the high-grade heat source entering from the first bypass three-way electromagnetic valve and then enters the heat exchanger, the heat exchange is carried out on the high-grade heat source and hot water return water corresponding to the terminal equipment in the heat exchanger, and the hot water temperature at the heating use side is supplied to the corresponding terminal equipment for use; when the outlet water temperature of the hot water at the use side is lower, the opening degree of the second bypass three-way electromagnetic valve is reduced, the heat source quantity entering the heat exchanger is increased, and the heat exchange quantity in the heat exchanger is increased; when the temperature of the outlet water of the hot water at the use side is higher, the opening degree of the second bypass three-way electromagnetic valve is increased, the quantity of heat sources entering the heat exchanger is reduced, and the heat exchange quantity in the heat exchanger is reduced; when only heat is needed in winter, the first heat source electromagnetic valve is closed, the lithium bromide water chiller stops running, the second heat source electromagnetic valve is opened, a heat source at the heat source supply end enters the heat exchanger through the second heat source electromagnetic valve, heat exchange is carried out on the heat source at the heat source supply end and hot water return water corresponding to the terminal equipment in the heat exchanger, and the hot water at the heating use side is supplied to the corresponding terminal equipment for use; when the outlet water temperature of the hot water at the use side is lower, the opening degree of the second bypass three-way electromagnetic valve is reduced, the heat source quantity entering the heat exchanger is increased, and the heat quantity in the heat exchanger is increased; when the outlet water temperature of the hot water at the use side is higher, the opening degree of the second bypass three-way electromagnetic valve is increased, the amount of heat sources entering the heat exchanger is reduced, and the heat exchange amount in the heat exchanger is less.
Preferably, the outlet end of the heat source supply end, the inlet end of the heat source supply end, the second outlet end of the condenser, the second inlet end of the condenser, the second outlet end of the evaporator, the second inlet end of the evaporator, the second outlet end of the heat exchanger and the second inlet end of the heat exchanger are all provided with a temperature sensor, a pressure gauge and a pressure sensor, through the arrangement, the temperature and the pressure of the heat source supply end, the condenser, the evaporator and the water at the outlet end and the inlet end of the heat exchanger can be detected through the temperature sensor and the pressure sensor, and the pressure value can be observed through the pressure gauge in real time.
Preferably, the heat exchanger comprises a plate heat exchanger, and the plate heat exchanger is high in heat exchange efficiency.
Preferably, the second outlet end of the evaporator is connected with the first port of a first intercommunicating solenoid valve, and the second port of the first intercommunicating solenoid valve is connected with the second outlet end of the heat exchanger; the second inlet end of the evaporator is connected with the first port of the second intercommunicating solenoid valve, and the second port of the second intercommunicating solenoid valve is connected with the second inlet end of the heat exchanger, so that when only heat is needed in winter, a user can open the first intercommunicating solenoid valve and the second intercommunicating solenoid valve according to conditions, and hot water flowing out of the second outlet end of the heat exchanger can be supplied to more terminal equipment for use, such as an air conditioner for cooling in summer and heating in winter.
Preferably, a conductivity meter is arranged between the outlet end of the cooling tower and the inlet end of the cooling water pump, an overflow port and a first water replenishing port are arranged at the bottom end of the cooling tower, the first water replenishing port is connected with a cold water source, a water replenishing electromagnetic valve is arranged between the cold water source and the first water replenishing port, the outlet end of the cold water source is connected with the inlet end of the water replenishing electromagnetic valve, and the outlet end of the water replenishing electromagnetic valve is connected with the first water replenishing port, so that due to the fact that the temperature of the condenser is high, scaling is easy to generate, the impurity concentration of the cooling water is higher and higher along with the evaporation and heat dissipation of the cooling water in the cooling tower, the conductivity is higher and higher as the impurity concentration of the cooling water is higher, the conductivity meter can detect the conductivity of the cooling water output from the cooling tower, and when the conductivity of the cooling water is higher than a set value, the impurity concentration of the cooling water is over-high, and opening the water replenishing electromagnetic valve, enabling a fresh water source to enter the cooling tower, and discharging sewage from the overflow port, so that the concentration of impurities in the cooling water is gradually reduced, and closing the water replenishing electromagnetic valve to finish the replacement of the cooling water when the conductivity of the cooling water is detected to be lower than a set value by the conductivity meter.
Preferably, the first water replenishing port and the overflow port are respectively located at two opposite sides of the cooling tower, and by such arrangement, in the process of replacing the cooling water, the first water replenishing port and the overflow port are respectively located at two opposite sides of the cooling tower, so that the discharge of the sewage can be accelerated, and the efficiency of replacing the cooling water is improved.
Preferably, a second water replenishing port is further arranged at the bottom end of the cooling tower, the second water replenishing port is connected with the cold water source, a water replenishing manual valve is arranged between the cold water source and the second water replenishing port, an outlet end of the cold water source is connected with an inlet end of the water replenishing manual valve, and an outlet end of the water replenishing manual valve is connected with the second water replenishing port.
Preferably, the cooling system further comprises a fan coil, a second outlet end of the evaporator is connected with an inlet end of the fan coil, an outlet end of the fan coil is connected with an inlet end of the chilled water pump, the chilled water with lower temperature output by the second outlet end of the evaporator enters the fan coil, the chilled water enters the evaporator again through the chilled water pump after absorbing heat and raising temperature, and the fan coil plays a role in cooling the machine room.
Preferably, filters are arranged between the outlet end of the cooling tower and the inlet end of the cooling water pump, between the second outlet end of the evaporator and the inlet end of the fan coil, between the outlet end of the terminal device and the inlet end of the chilled water pump and between the outlet end of the terminal device and the inlet end of the hot water pump, and through the arrangement, the filters filter water, so that impurities in water are prevented from damaging the pumps, and normal operation of the pumps is prevented from being influenced.
Compared with the prior art, the utility model discloses profitable technological effect has been obtained:
the heat source of heat source feed end gives respectively the generator reaches heat exchanger provides the high-grade heat source, the heat source feed end gives lithium bromide cold water machine provides heat capacity refrigeration water, gives the correspondence terminal equipment uses, gets into after being mixed with the high-grade heat source by the low-grade heat source behind the absorbed heat among the heat exchanger, with corresponding terminal equipment's hot water return water is in carry out the heat transfer in the heat exchanger, for corresponding after heating for the hot water of user side terminal equipment uses, the utility model discloses a lithium bromide cold water integration unit make full use of follow the low-grade heat source of lithium bromide cold water machine output improves energy utilization, reduces energy consumption, moreover the difference in temperature of the high-grade heat source of lithium bromide cold water machine and low-grade heat source is little, guarantees the energy efficiency ratio of lithium bromide cold water machine.
Drawings
Fig. 1 is a schematic structural diagram of a lithium bromide cold-hot water integrated unit according to an embodiment of the present invention.
Wherein, the technical characteristics that each reference numeral refers to are as follows:
1. a lithium bromide chiller; 2. a cooling tower; 3. a cooling water pump; 4. a chilled water pump; 5. a heat exchanger; 6. a hot water pump; 7. a first heat source solenoid valve; 8. a second heat source solenoid valve; 9. a first bypass three-way solenoid valve; 10. a second bypass three-way solenoid valve; 11. a pressure sensor; 12. a pressure gauge; 13. a temperature sensor; 14. a filter; 15. a fan coil; 16. a first intercommunicating solenoid valve; 17. a second intercommunicating solenoid valve; 21. a first water replenishing port; 22. a second water replenishing port; 23. and (4) an overflow port.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.
Referring to fig. 1, the embodiment discloses a lithium bromide cold and hot water integrated unit, which comprises a lithium bromide cold water machine 1, wherein the lithium bromide cold water machine 1 comprises a generator, a condenser, an expansion valve, an evaporator, a circulating pump and an absorber, a steam outlet end of the generator is connected with a first inlet end of the condenser, a solution outlet end of the generator is connected with a first inlet end of the absorber, a first outlet end of the condenser is connected with an inlet end of the expansion valve, an outlet end of the expansion valve is connected with a first inlet end of the evaporator, an outlet end of the evaporator is connected with a first inlet end of the absorber, a first outlet end of the absorber is connected with a solution inlet end of the generator, the steam outlet end of the generator and the solution outlet end of the generator are both communicated with a solution inlet end of the generator, a first inlet end of a component is communicated with the first outlet end, and a second inlet end is communicated with the second outlet end, by analogy, the following description is omitted;
the lithium bromide cold and hot water integrated unit further comprises a cooling tower 2, a cooling water pump 3, a freezing water pump 4, a heat exchanger 5, a heat source supply end and a hot water pump 6, wherein the outlet end of the cooling tower 2 is connected with the inlet end of the cooling water pump 3, the outlet end of the cooling water pump 3 is connected with the second inlet end of a condenser and the first inlet end of an absorber, the second outlet end of the condenser and the second outlet end of the absorber are connected with the inlet end of the cooling tower 2, the outlet end of the heat source supply end is connected with the heat source inlet end of a generator and the first inlet end of the heat exchanger 5, the heat source outlet end of the generator is connected with the first inlet end of the heat exchanger 5, the first outlet end of the heat exchanger 5 is connected with the inlet end of the heat source supply end, the second outlet end of the evaporator and the second outlet end of the heat exchanger 5 are respectively connected with the inlet ends of corresponding terminal devices, and the outlet ends of the terminal devices are connected with the inlet end of the freezing water pump 4 or the inlet end of the hot water pump 6, the outlet end of the chilled water pump 4 is connected with the second inlet end of the evaporator, and the outlet end of the hot water pump 6 is connected with the second inlet end of the heat exchanger 5.
The working principle of the lithium bromide water chiller 1 is as follows: the heat source supply end supplies heat to the generator, after the lithium bromide aqueous solution is heated in the generator, water in the solution is continuously vaporized, the concentration of the lithium bromide aqueous solution in the generator is continuously increased along with the continuous vaporization of the water, and the lithium bromide aqueous solution enters the absorber and is cooled by cooling water in the absorber; the water vapor enters a condenser, is cooled by cooling water in the condenser and then is condensed to form high-pressure low-temperature liquid water; when water in the condenser enters the evaporator through the expansion valve, the water is rapidly expanded and vaporized, and a large amount of heat of the frozen water in the evaporator is absorbed in the vaporization process, so that the effect of cooling and refrigerating water is achieved; in the process, low-temperature water vapor enters the absorber, is absorbed by the lithium bromide aqueous solution in the absorber, the concentration of the solution is gradually reduced, and then the solution is sent back to the generator by the circulating pump to complete the whole circulation.
The high-grade heat source provided by the heat source supply end comprises high-temperature hot water or high-temperature steam.
The heat source of heat source feed end provides high-grade heat source for generator and heat exchanger 5 respectively, and the heat source feed end provides heat capacity refrigeration water for lithium bromide cold water machine 1, uses for the terminal equipment that corresponds, and the low-grade heat source after being absorbed the heat mixes with the high-grade heat source and gets into in heat exchanger 5, and the hot water return water that corresponds terminal equipment carries out the heat transfer in heat exchanger 5, heats for the hot water of user side and then uses for the terminal equipment that corresponds, the utility model discloses a lithium bromide cold water integration unit make full use of from the low-grade heat source of lithium bromide cold water machine 1 output, improve energy utilization, reduce energy consumption, and the difference in temperature of the high-grade heat source of lithium bromide cold water machine 1 and low-grade heat source is little moreover, guarantees the energy efficiency ratio of lithium bromide cold water machine 1.
The outlet end of the heat source supply end is connected with the first ports of a first heat source solenoid valve 7, a second heat source solenoid valve 8 and a first bypass three-way solenoid valve 9, the second port of the first heat source solenoid valve 7 is connected with the heat source inlet end of the generator, the heat source outlet end of the generator is connected with the second port of the first bypass three-way solenoid valve 9, the third port of the first bypass three-way solenoid valve 9 and the second port of the second heat source solenoid valve 8 are connected with the first inlet end of the heat exchanger 5 and the first port of a second bypass three-way solenoid valve 10, the second port of the second heat source solenoid valve 8 is connected with the first inlet end of the heat exchanger 5, namely the third port of the first bypass three-way solenoid valve 9, the second port of the second heat source solenoid valve 8, the first port of the second bypass three-way solenoid valve 10 and the first inlet end of the heat exchanger 5 are communicated with each other, the second outlet end of the heat exchanger 5 is connected with the second port of the second bypass three-way solenoid valve 10, a third port of the second bypass three-way electromagnetic valve 10 is connected with an inlet end of a heat source supply end, when cold and heat are needed in summer, the first heat source electromagnetic valve 7 is opened, the second heat source electromagnetic valve 8 is closed, a heat source at the heat source supply end enters the generator through the first heat source electromagnetic valve 7, a heat source is provided for the lithium bromide water chiller 1 to be made into chilled water, and the chilled water is conveyed to terminal equipment through the chilled water pump 4 and a chilled water pipe network; when the outlet water temperature of the chilled water is lower, the opening degree of the first bypass three-way electromagnetic valve 9 is increased, the amount of the heat source entering the generator through the first heat source electromagnetic valve 7 is reduced, and the refrigerating capacity is reduced; when the outlet water temperature of the chilled water is higher, the opening degree of the first bypass three-way electromagnetic valve 9 is reduced, the amount of heat sources entering the generator through the first heat source electromagnetic valve 7 is increased, and the refrigerating capacity is increased; after the high-grade heat source exchanges heat from the lithium bromide water chiller 1, the temperature is reduced, the high-grade heat source is mixed with the high-grade heat source entering from the first bypass three-way electromagnetic valve 9 and then enters the heat exchanger 5, the heat exchange is carried out between the high-grade heat source and hot water return water of corresponding terminal equipment in the heat exchanger 5, and the hot water temperature at the heating use side is supplied to the corresponding terminal equipment for use; when the outlet water temperature of the hot water at the use side is lower, the opening degree of the second bypass three-way electromagnetic valve 10 is reduced, the heat source quantity entering the heat exchanger 5 is increased, and the heat exchange quantity in the heat exchanger 5 is increased; when the temperature of the outlet water of the hot water at the use side is higher, the opening degree of the second bypass three-way electromagnetic valve 10 is increased, the amount of heat sources entering the heat exchanger 5 is reduced, and the heat exchange amount in the heat exchanger 5 is reduced; when only heat is needed in winter, the first heat source electromagnetic valve 7 is closed, the lithium bromide water chiller 1 stops running, the second heat source electromagnetic valve 8 is opened, a heat source at a heat source supply end enters the heat exchanger 5 through the second heat source electromagnetic valve 8, heat exchange is carried out between the heat source and hot water return water of corresponding terminal equipment in the heat exchanger 5, and the hot water at a heating use side is supplied to the corresponding terminal equipment for use; when the outlet water temperature of the hot water at the use side is lower, the opening degree of the second bypass three-way electromagnetic valve 10 is reduced, the heat source quantity entering the heat exchanger 5 is increased, and the heat quantity in the heat exchanger 5 is increased; when the outlet water temperature of the hot water at the use side is higher, the opening degree of the second bypass three-way electromagnetic valve 10 is increased, the heat source quantity entering the heat exchanger 5 is reduced, and the heat exchange quantity in the heat exchanger 5 is less.
Furthermore, a temperature sensor 13, a pressure gauge 12 and a pressure sensor 11 are arranged at the outlet end of the heat source supply end, the inlet end of the heat source supply end, the second outlet end of the condenser, the second inlet end of the condenser, the second outlet end of the evaporator, the second outlet end of the heat exchanger 5 and the second inlet end of the heat exchanger 5, the temperature and the pressure of water at the outlet end and the inlet end of the heat source supply end, the condenser, the evaporator and the heat exchanger 5 can be detected through the temperature sensor 13 and the pressure sensor 11, and the pressure value can be observed through the pressure gauge 12 in real time.
Further, the heat exchanger 5 comprises a plate heat exchanger, and the heat exchange efficiency of the plate heat exchanger is high.
Further, a second outlet end of the evaporator is connected with a first port of a first intercommunication solenoid valve 16, and a second port of the first intercommunication solenoid valve 16 is connected with a second outlet end of the heat exchanger 5; the second inlet of the evaporator is connected with the first port of the second intercommunication solenoid valve 17, the second port of the second intercommunication solenoid valve 17 is connected with the second inlet of the heat exchanger 5, when only heat is needed in winter, a user can open the first intercommunication solenoid valve 16 and the second intercommunication solenoid valve 17 according to the situation, so that hot water flowing out of the second outlet of the heat exchanger 5 can be supplied to more terminal equipment for use, such as an air conditioner for cooling in summer, and heating in winter.
Furthermore, a conductivity meter is arranged between the outlet end of the cooling tower 2 and the inlet end of the cooling water pump 3, the bottom end of the cooling tower 2 is provided with an overflow port 23 and a first water replenishing port 21, the first water replenishing port 21 is connected with a cold water source, a water replenishing electromagnetic valve is arranged between the cold water source and the first water replenishing port 21, the outlet end of the cold water source is connected with the inlet end of the water replenishing electromagnetic valve, the outlet end of the water replenishing electromagnetic valve is connected with the first water replenishing port 21, scaling is easy to generate due to the high temperature of a condenser, the impurity concentration of the cooling water is higher and higher along with the evaporation and heat dissipation of the cooling water in the cooling tower 2, the conductivity is higher and higher as the impurity concentration of the cooling water is higher, the conductivity meter can detect the conductivity of the cooling water output from the cooling tower 2, when the conductivity of the cooling water is higher than a set value, the impurity concentration of the cooling water is over-high, the water replenishing electromagnetic valve is opened, and a fresh water source enters the cooling tower 2, and the sewage is discharged from the overflow port 23, so that the concentration of impurities in the cooling water is gradually reduced, and when the conductivity of the cooling water is detected to be lower than a set value by the conductivity meter, the water replenishing electromagnetic valve is closed to finish the replacement of the cooling water.
Furthermore, the first water replenishing port 21 and the overflow port 23 are respectively located on two opposite sides of the cooling tower 2, and in the process of replacing cooling water, the first water replenishing port 21 and the overflow port 23 are respectively located on two sides of the cooling tower 2, so that discharge of sewage can be accelerated, and the efficiency of replacing cooling water is improved.
Further, the bottom of cooling tower 2 still is equipped with second moisturizing mouth 22, and second moisturizing mouth 22 is connected with the cold water source, and is equipped with the manual valve of moisturizing between cold water source and the second moisturizing mouth 22, and the exit end of cold water source and the entrance point connection of the manual valve of moisturizing, the exit end and the second moisturizing mouth 22 of moisturizing manual valve are connected, when moisturizing solenoid valve broke down, can carry out the moisturizing for cooling tower 2 through the manual valve of moisturizing.
Furthermore, lithium bromide hot and cold water integration unit still includes fan coil 15, and the second exit end of evaporimeter and fan coil 15's entrance point are connected, and fan coil 15's exit end and the entrance point of frozen water pump 4 are connected, and the lower refrigerated water of temperature of the output of the second exit end of evaporimeter gets into in fan coil 15, and in the refrigerated water got into the evaporimeter again through frozen water pump 4 after the refrigerated water heat absorption intensifies, fan coil 15 played the effect of cooling to the computer lab.
Furthermore, filters 14 are arranged between the outlet end of the cooling tower 2 and the inlet end of the cooling water pump 3, between the second outlet end of the evaporator and the inlet end of the fan coil 15, between the outlet end of the terminal device and the inlet end of the chilled water pump 4, and between the outlet end of the terminal device and the inlet end of the hot water pump 6, the filters 14 filter water, and impurities in water are prevented from damaging the pumps, so that normal operation of the pumps is influenced.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.
Claims (10)
1. A lithium bromide cold and hot water integrated unit comprises a lithium bromide cold water machine (1), wherein the lithium bromide cold water machine (1) comprises a generator, a condenser, an evaporator and an absorber, a steam outlet end of the generator is connected with a first inlet end of the condenser, a solution outlet end of the generator is connected with a first inlet end of the absorber, a first outlet end of the condenser is connected with a first inlet end of the evaporator, an outlet end of the evaporator is connected with a first inlet end of the absorber, and a first outlet end of the absorber is connected with a solution inlet end of the generator;
the device is characterized by further comprising a cooling tower (2), a cooling water pump (3), a chilled water pump (4), a heat exchanger (5), a heat source supply end and a hot water pump (6), wherein the outlet end of the cooling tower (2) is connected with the inlet end of the cooling water pump (3), the outlet end of the cooling water pump (3) is connected with the second inlet end of the condenser, the second outlet end of the condenser is connected with the inlet end of the cooling tower (2), the outlet end of the heat source supply end is connected with the heat source inlet end of the generator and the first inlet end of the heat exchanger (5), the heat source outlet end of the generator is connected with the first inlet end of the heat exchanger (5), the first outlet end of the heat exchanger (5) is connected with the inlet end of the heat source supply end, the second outlet end of the generator and the second outlet end of the heat exchanger (5) are respectively connected with the inlet ends of corresponding terminal devices, the outlet end of the terminal equipment is connected with the inlet end of the freezing water pump (4) or the inlet end of the hot water pump (6), the outlet end of the freezing water pump (4) is connected with the second inlet end of the evaporator, and the outlet end of the hot water pump (6) is connected with the second inlet end of the heat exchanger (5).
2. The lithium bromide hot and cold water integrated unit according to claim 1, wherein the outlet of the heat source supply end is connected to the first ports of a first heat source solenoid valve (7), a second heat source solenoid valve (8) and a first bypass three-way solenoid valve (9), the second port of the first heat source solenoid valve (7) is connected to the heat source inlet of the generator, the heat source outlet of the generator is connected to the second port of the first bypass three-way solenoid valve (9), the third port of the first bypass three-way solenoid valve (9) and the second port of the second heat source solenoid valve (8) are connected to the first inlet of the heat exchanger (5) and the first port of a second bypass three-way solenoid valve (10), the second port of the second heat source solenoid valve (8) is connected to the first inlet of the heat exchanger (5), a second outlet end of the heat exchanger (5) is connected with a second port of the second bypass three-way electromagnetic valve (10), and a third port of the second bypass three-way electromagnetic valve (10) is connected with an inlet end of the heat source supply end.
3. The lithium bromide hot and cold water integrated unit according to claim 1, wherein the outlet end of the heat source supply end, the inlet end of the heat source supply end, the second outlet end of the condenser, the second inlet end of the condenser, the second outlet end of the evaporator, the second inlet end of the evaporator, the second outlet end of the heat exchanger (5) and the second inlet end of the heat exchanger (5) are provided with a temperature sensor (13), a pressure gauge (12) and a pressure sensor (11).
4. Lithium bromide all-in-one unit according to claim 1, characterized in that the heat exchanger (5) comprises a plate heat exchanger.
5. The lithium bromide hot and cold water integrated unit according to claim 1, wherein the second outlet of the evaporator is connected to the first port of a first intercommunicating solenoid valve (16), and the second port of the first intercommunicating solenoid valve (16) is connected to the second outlet of the heat exchanger (5); the second inlet end of the evaporator is connected with the first port of a second intercommunication electromagnetic valve (17), and the second port of the second intercommunication electromagnetic valve (17) is connected with the second inlet end of the heat exchanger (5).
6. The lithium bromide cold and hot water integrated unit according to any one of claims 1 to 5, wherein a conductivity meter is arranged between the outlet end of the cooling tower (2) and the inlet end of the cooling water pump (3), the bottom end of the cooling tower (2) is provided with an overflow port (23) and a first water replenishing port (21), the first water replenishing port (21) is connected with a cold water source, a water replenishing electromagnetic valve is arranged between the cold water source and the first water replenishing port (21), the outlet end of the cold water source is connected with the inlet end of the water replenishing electromagnetic valve, and the outlet end of the water replenishing electromagnetic valve is connected with the first water replenishing port (21).
7. The lithium bromide hot and cold water integrated unit according to claim 6, wherein the first water replenishing port (21) and the overflow port (23) are respectively located on two opposite sides of the cooling tower (2).
8. The lithium bromide hot and cold water integrated unit according to claim 6, wherein a second water replenishing port (22) is further provided at the bottom end of the cooling tower (2), the second water replenishing port (22) is connected with the cold water source, a water replenishing manual valve is provided between the cold water source and the second water replenishing port (22), the outlet end of the cold water source is connected with the inlet end of the water replenishing manual valve, and the outlet end of the water replenishing manual valve is connected with the second water replenishing port (22).
9. The lithium bromide chiller-heater unit according to any of claims 1-5, further comprising a fan coil (15), wherein the second outlet end of the evaporator is connected to the inlet end of the fan coil (15), and the outlet end of the fan coil (15) is connected to the inlet end of the chilled water pump (4).
10. The lithium bromide hot and cold water integrated unit according to claim 9, wherein a filter (14) is provided between the outlet end of the cooling tower (2) and the inlet end of the cooling water pump (3), the second outlet end of the evaporator and the inlet end of the fan coil (15), the outlet end of the terminal equipment and the inlet end of the chilled water pump (4), and the outlet end of the terminal equipment and the inlet end of the hot water pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482665.0U CN217131554U (en) | 2022-03-07 | 2022-03-07 | Lithium bromide cold and hot water integrated unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220482665.0U CN217131554U (en) | 2022-03-07 | 2022-03-07 | Lithium bromide cold and hot water integrated unit |
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| Publication Number | Publication Date |
|---|---|
| CN217131554U true CN217131554U (en) | 2022-08-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220482665.0U Active CN217131554U (en) | 2022-03-07 | 2022-03-07 | Lithium bromide cold and hot water integrated unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217131554U (en) |
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2022
- 2022-03-07 CN CN202220482665.0U patent/CN217131554U/en active Active
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