CN210569342U - Direct-fired lithium bromide cold and hot water unit driven by biomass energy - Google Patents
Direct-fired lithium bromide cold and hot water unit driven by biomass energy Download PDFInfo
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- CN210569342U CN210569342U CN201920749144.5U CN201920749144U CN210569342U CN 210569342 U CN210569342 U CN 210569342U CN 201920749144 U CN201920749144 U CN 201920749144U CN 210569342 U CN210569342 U CN 210569342U
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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
Abstract
The utility model discloses a direct-fired lithium bromide cold and hot water unit driven by biomass energy, which comprises a heat energy production device, a refrigeration loop and a heating loop, wherein the heat energy production device comprises a biomass energy fermentation tank, a gas cleaning device and a gas storage tank; the high-pressure generator comprises a shell, wherein a concentrated solution outlet and a diluent inlet are arranged at the bottom of the shell at intervals; the biomass energy fermentation device comprises a shell, a heating surface tube bundle is arranged in the shell at intervals, an air source inlet on one side of the combustion chamber is communicated with an air source outlet of an air storage tank through an air inlet pipe, an air inlet communicated with the combustion chamber is arranged on the same side as the air source inlet, and a smoke exhaust pipe on the other side of the combustion chamber is communicated with a biomass energy fermentation tank. The utility model discloses use biomass energy to drive direct combustion formula lithium bromide hot and cold water unit as the power supply, accord with national energy saving and emission reduction policy, green, the rural area that specially adapted electric power and natural gas lack has improved rural area's standard of living.
Description
Technical Field
The utility model relates to a direct combustion formula lithium bromide cold and hot unit especially relates to an utilize direct combustion formula lithium bromide cold and hot water unit of biomass energy driven.
Background
Biomass energy refers to various organisms produced by photosynthesis using the atmosphere, water, land, etc., i.e., all living and growing organic substances are generally called biomass, such as organic garbage, crop straws, human and animal excreta, etc. The area of the country and town of China is wide, the population is large, rich biomass energy exists, the biomass energy treatment process is an important way for making garbage harmless, reducing and recycling, and the energy planning requirements of the government in thirteen five are met.
At present, a direct-combustion lithium bromide cold and hot water unit takes heat energy as a power source, water as a refrigerant and lithium bromide solution as an absorbent to prepare cold water or hot water, and is a cold and hot water unit which is widely applied in recent years. The heat energy of the existing direct-fired lithium bromide water chiller-heater unit, such as fuel oil, coal, natural gas and the like, is non-renewable energy, wastes energy and causes greenhouse effect; meanwhile, harmful gas exists after fuel oil and fire coal are combusted, so that the problem of environmental pollution exists; the high-pressure generator of the direct-fired lithium bromide is of an external heating structure, so that heat energy cannot be effectively utilized, and energy is wasted. Therefore, how to design a direct-fired lithium bromide cold-hot water refrigerating unit driven by biomass energy as a heat source is an important problem to be solved urgently in the technical field.
Disclosure of Invention
The utility model aims to provide an utilize direct combustion formula lithium bromide hot and cold water unit of biomass energy driven.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model discloses an utilize direct combustion formula lithium bromide hot and cold water unit of biomass energy driven, including heat energy apparatus for producing, by the refrigeration return circuit that high pressure generator, low pressure generator, condenser, evaporimeter, absorber, high temperature solution heat exchanger and low temperature solution heat exchanger constitute, and by the heating return circuit that high pressure generator, evaporimeter, absorber and high temperature solution heat exchanger constitute, heat energy apparatus for producing includes biomass energy fermentation vat, gaseous cleaning device and the gas holder of establishing ties in proper order; the high-pressure generator comprises a shell for containing a lithium bromide solution, a refrigerant steam outlet is arranged at the top of the shell, and a concentrated solution outlet and a diluent inlet are arranged at the bottom of the shell at intervals; the biomass fermentation device comprises a shell, a gas storage tank, a gas inlet, a gas outlet, a gas inlet pipe, a gas outlet pipe, a combustion device, a gas exhaust pipe and a biomass energy fermentation tank are arranged in the shell, the combustion device comprises a combustion chamber, a plurality of bundles of heating surface tube bundles are arranged in the combustion chamber at intervals, the gas source inlet on one side of the combustion chamber is communicated with the gas source outlet of the gas storage tank through the gas inlet pipe, the communicated air inlet on the combustion chamber is arranged on the.
The biomass energy fermentation tank comprises a fermentation tank, wherein the outer layer of the fermentation tank is coated with a heat insulation layer, a plurality of groups of heating pipelines communicated with the smoke exhaust pipe are arranged on the outer wall of the fermentation tank at intervals, and a temperature sensor is arranged on the outer wall of the fermentation tank.
The refrigeration loop also comprises an external circulation cooling loop formed by sequentially connecting a cooling tower, an absorber and a condenser in series, a first stop valve and a delivery pump are connected in series on the external circulation cooling loop between the absorber and the cooling tower at intervals, and a second stop valve is connected in series on the external circulation cooling loop between the cooling tower and the condenser.
A second stop valve is connected in series on the refrigerating loop between the high-pressure generator and the low-pressure generator, and an expansion valve is connected in series on the refrigerating loop between the condenser and the evaporator; and a third stop valve is connected in series on the heating loop between the high-pressure generator and the evaporator.
The utility model discloses the advantage lies in using biomass energy to drive direct combustion formula lithium bromide hot and cold water unit as the power supply, accords with national energy saving and emission reduction policy, and green, the rural area that specially adapted electric power and natural gas lack has improved rural area's standard of living. The combustion device is integrated in the high-pressure generator, so that the space is saved, the lithium bromide solution can be directly heated, and the utilization efficiency of a heat source is improved; the waste heat of the discharged smoke after the biogas is combusted enters a heating pipeline on the fermentation tank through a smoke discharge pipe, so that the biomass can be heated and insulated, the fermented substances (namely biomass energy) in the fermentation tank are always in a high-efficiency gas production state, the normal work of a direct-combustion lithium bromide cold and hot water unit is ensured, and the utilization efficiency of heat energy is further improved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the high voltage generator of the present invention.
Fig. 3 is a schematic structural diagram of the biomass energy raw material pool of the present invention.
Detailed Description
As shown in fig. 1, the direct combustion type lithium bromide cold and hot water unit driven by biomass energy of the present invention comprises a heat energy production device, a refrigeration loop composed of a high pressure generator 1, a low pressure generator 2, a condenser 3, an evaporator 4, an absorber 5, a high temperature solution heat exchanger 6 and a low temperature solution heat exchanger 7, and a heating loop composed of a high pressure generator 1, an evaporator 4, an absorber 5 and a high temperature solution heat exchanger 6, wherein an expansion valve 16 is connected in series on the refrigeration loop between the condenser 3 and the evaporator 4, and a third stop valve 17 is connected in series on the heating loop between the high pressure generator 1 and the evaporator 4; the heat energy production device comprises a biomass energy fermentation tank 8, a gas cleaning device 9 and a gas storage tank 10 which are sequentially connected in series;
as shown in fig. 2, the high pressure generator 1 includes a housing 101, a refrigerant vapor outlet 102 is provided at the top of the housing 101, and a concentrated solution outlet 103 and a diluted solution inlet 104 are provided at the bottom thereof at intervals; a combustion device is arranged in the shell 101 and comprises a combustion chamber 105, a plurality of bundles of heating surface tube bundles 106 are arranged in the combustion chamber 105 at intervals, an air source inlet 107 on one side of the combustion chamber 105 is communicated with an air source outlet of the air storage tank 10 through an air inlet pipe 11, an air inlet 108 communicated with the combustion chamber 105 is arranged on the same side as the air source inlet 107, and a smoke exhaust pipe 109 on the other side of the combustion chamber 105 is communicated with the biomass energy fermentation tank 8; the air and the biomass can be mixed and combusted in the combustion chamber 105 according to the combustion ratio to generate heat to heat the heating surface tube bundle 106, the heating surface tube bundle 106 heats the lithium bromide concentrated solution A in the shell 101 and evaporates to generate high-temperature refrigerant steam, the lithium bromide concentrated solution A enters the absorber 5 from the outlet 103 after being concentrated, and the lithium bromide concentrated solution A is diluted after being sprayed in the absorber 5 to absorb moisture and enters the high-pressure generator 1 from the diluent inlet 104;
as shown in fig. 3, the biomass energy fermentation tank 8 includes a fermentation tank 802 covered with a heat insulation layer 801 on the outer layer, a plurality of groups of heating pipelines 803 communicated with the smoke exhaust pipe 109 are arranged on the outer wall of the fermentation tank 802 at intervals, a temperature sensor is arranged on the outer wall of the fermentation tank 802, the waste heat of the exhaust smoke from the combustion device enters the heating pipelines 803 to heat the fermentation product in the fermentation tank 802, the temperature sensor is used for detecting the temperature of the fermentation tank 802, the temperature in the fermentation tank 802 is controlled between 25 ℃ and 45 ℃, and the normal work of the direct combustion type lithium bromide water chiller-heater unit is ensured. The waste heat of discharging fume can heat fermentation cylinder 802, not only has the heat preservation effect, has still realized the reutilization of heat source, has improved the utilization ratio of biomass energy.
As shown in fig. 1, the refrigeration circuit further includes an external circulation cooling circuit formed by sequentially connecting a cooling tower 12, an absorber 5 and a condenser 3 in series, and a first stop valve 13 and a transfer pump 14 are connected in series at intervals on the external circulation cooling circuit between the absorber 5 and the cooling tower 12; a second stop valve 15 is connected in series on the refrigeration loop between the high pressure generator 1 and the low pressure generator 2.
The working process of the utility model is as follows:
in summer, the heating loop is in an open circuit state, the refrigerating loop is in a closed circuit state, biogas in the fermentation tank 802 enters the gas storage tank 10 after being cleaned by the gas cleaning device 9 and then enters the combustion device in the high-pressure generator 1 through the gas inlet pipe 11, biomass energy and heat generated by combustion of air in the combustion chamber 105 heat the lithium bromide concentrated solution A to generate high-temperature refrigerant steam A, and the lithium bromide concentrated solution A is evaporated to become concentrated solution; high-temperature refrigerant steam A generated by the high-pressure generator 1 has higher saturation temperature, flows into the low-pressure generator 2 and then heats a lithium bromide dilute solution B in the low-pressure generator 2 to generate refrigerant steam B, the lithium bromide dilute solution B is evaporated to become a concentrated solution, the refrigerant steam A heats the lithium bromide dilute solution B and then is condensed into refrigerant water A, the refrigerant water A and the refrigerant steam B are condensed into refrigerant water C by the condenser 3, the refrigerant water C enters the evaporator 4 after being subjected to heat insulation and throttling by the expansion valve 16 to absorb the heat of cold water in a tube bundle of the evaporator 4, and circulating water in the tube bundle of the evaporator 4 is cooled into cold water which enters the cold water/hot water utilization device 20 for use; refrigerant steam generated by the back evaporation of the evaporator 4 enters the absorber 5, cooling water (usually 20 ℃ normal temperature water) flowing out of the cooling tower 12 firstly flows through the absorber 5 under the action of the delivery pump 14 to cool the refrigerant steam to absorb heat, cooling water (usually heated to 4-7 ℃) flowing out of the absorber enters the condenser 3, and the refrigerant steam C in the condenser 3 is cooled and then enters the cooling tower 12 again to form an external circulation cooling loop;
wherein, the circulation loop of the lithium bromide concentrated solution A in the refrigeration process is as follows: concentrated lithium bromide solution A flowing out of the high-pressure generator 1 enters an absorber 5 through a high-temperature solution heat exchanger 6, the concentrated lithium bromide solution A rapidly absorbs refrigerant cooled by cooling water in the absorber 5, and the diluted concentrated lithium bromide solution A enters the high-pressure generator 1 again through the high-temperature solution heat exchanger 6 after being pressurized by a first pressurizing pump 18; the circulation loop of the lithium bromide dilute solution B in the refrigeration process is as follows: the concentrated lithium bromide dilute solution B flowing out of the low-pressure generator 2 enters the absorber 5 through the low-temperature solution heat exchanger 7, the refrigerant cooled by the cooling water is rapidly absorbed in the absorber 5, and the diluted lithium bromide dilute solution B enters the low-pressure generator 2 again through the low-temperature solution heat exchanger 7 after being pressurized by the second pressurizing pump 19.
In winter, the refrigeration loop and the external circulation cooling loop are both in an open circuit state, the heating loop is in a closed circuit state, biomass energy and heat generated by air combustion in the combustion chamber 105 heat the lithium bromide concentrated solution A in the high-pressure generator 1 to generate high-temperature refrigerant steam A, and the lithium bromide concentrated solution A is changed into concentrated solution due to evaporation; the high-temperature refrigerant steam A flows into the evaporator 4 to heat the circulating water in the tube bundle of the evaporator 4, so that the temperature of the circulating water is increased, and hot water for users is generated; refrigerant water formed after the high-temperature refrigerant steam A releases heat in the evaporator 4 enters the absorber 5 under the action of pressure difference;
the circulation loop of the lithium bromide concentrated solution A is as follows: the concentrated lithium bromide solution a in the high-pressure generator 1 enters the absorber 5 through the high-temperature solution heat exchanger 6 to rapidly absorb the refrigerant water (the refrigerant water flowing into the absorber 5 from the evaporator 4), and the diluted concentrated lithium bromide solution a is pressurized by the first pressurizing pump 18 and then enters the high-pressure generator 1 again through the high-temperature solution heat exchanger 6.
Claims (4)
1. The utility model provides an utilize direct combustion formula lithium bromide hot and cold water unit of biomass energy drive, includes heat energy production device, by high pressure generator (1), low pressure generator (2), condenser (3), evaporimeter (4), absorber (5), high temperature solution heat exchanger (6) and the refrigeration return circuit that low temperature solution heat exchanger (7) constitute, and by the heating return circuit that high pressure generator (1), evaporimeter (4), absorber (5) and high temperature solution heat exchanger (6) constitute, its characterized in that: the heat energy production device comprises a biomass energy fermentation tank (8), a gas cleaning device (9) and a gas storage tank (10) which are sequentially connected in series; the high-pressure generator (1) comprises a shell (101) for containing a lithium bromide solution, wherein the top of the shell (101) is provided with a refrigerant steam outlet (102), and the bottom of the shell is provided with a concentrated solution outlet (103) and a diluent inlet (104) at intervals; a combustion device is arranged in the shell (101) and comprises a combustion chamber (105), a plurality of bundles of heating surface tubes (106) are arranged in the combustion chamber (105) at intervals, an air source air inlet (107) on one side of the combustion chamber (105) is communicated with an air source outlet of the air storage tank (10) through an air inlet pipe (11), an air inlet (108) communicated with the combustion chamber (105) is arranged on the same side as the air source air inlet (107), and a smoke exhaust pipe (109) on the other side of the combustion chamber (105) is communicated with the biomass energy fermentation tank (8).
2. The direct-fired lithium bromide hot and cold water unit driven by biomass energy according to claim 1, characterized in that: the biomass energy fermentation tank (8) comprises a fermentation tank (802) coated with a heat-insulating layer (801) on the outer layer, a plurality of groups of heating pipelines (803) communicated with the smoke exhaust pipe (109) are arranged on the outer wall of the fermentation tank (802) at intervals, and a temperature sensor is arranged on the outer wall of the fermentation tank (802).
3. The direct-combustion lithium bromide water chiller-heater unit driven by biomass energy as claimed in claim 1 or 2, wherein: the refrigeration loop also comprises an external circulation cooling loop formed by sequentially connecting a cooling tower (12), an absorber (5) and a condenser (3) in series, and a first stop valve (13) and a delivery pump (14) are connected in series on the external circulation cooling loop between the absorber (5) and the cooling tower (12) at intervals.
4. The direct-fired lithium bromide hot and cold water unit driven by biomass energy according to claim 1, characterized in that: a second stop valve (15) is connected in series on the refrigerating circuit between the high-pressure generator (1) and the low-pressure generator (2), and an expansion valve (16) is connected in series on the refrigerating circuit between the condenser (3) and the evaporator (4); and a third stop valve (17) is connected in series on the heating loop between the high-pressure generator (1) and the evaporator (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920749144.5U CN210569342U (en) | 2019-05-23 | 2019-05-23 | Direct-fired lithium bromide cold and hot water unit driven by biomass energy |
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| CN201920749144.5U CN210569342U (en) | 2019-05-23 | 2019-05-23 | Direct-fired lithium bromide cold and hot water unit driven by biomass energy |
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| CN210569342U true CN210569342U (en) | 2020-05-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145893A (en) * | 2019-05-23 | 2019-08-20 | 机械工业第六设计研究院有限公司 | The direct-burning type lithium bromide cold-hot water group driven using biomass energy |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110145893A (en) * | 2019-05-23 | 2019-08-20 | 机械工业第六设计研究院有限公司 | The direct-burning type lithium bromide cold-hot water group driven using biomass energy |
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