CN216977482U - Dried noodle drying energy-saving device combining geothermal energy with air source heat pump - Google Patents
Dried noodle drying energy-saving device combining geothermal energy with air source heat pump Download PDFInfo
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Abstract
The utility model relates to a dried noodle drying energy-saving device combining geothermal energy and an air source heat pump, which comprises a geothermal water tank, a geothermal water pump, a heat recovery tank, a surface air cooler, an evaporator, a condenser, an air source heat pump host, a circulating water tank, a circulating pump, a heat pump water tank, a hot water pump, a fin pipe system and a three-way proportional valve, wherein a first air inlet is formed at one end of the heat recovery tank, a second air inlet and an air outlet opposite to the second air inlet are formed at the other end of the heat recovery tank, and an air inlet cavity, a cooling cavity, an air exhaust cavity and a preheating cavity are sequentially formed in a box body of the heat recovery tank between the first air inlet and the air outlet. The utility model has the advantages that: the heat in the discharged moisture is recovered by the air source heat pump, and the recovered heat is injected into the drying system, so that the heat is recycled, and the energy consumption is greatly reduced.
Description
Technical Field
The utility model relates to a dried noodle drying energy-saving device combining geothermal energy and an air source heat pump, and relates to the field of heat utilization of dried noodle drying equipment.
Background
1. The most key step in the production and processing of the fine dried noodles is fine dried noodle drying which needs to consume a large amount of heat energy, and special fine dried noodle drying equipment is used for completing the process;
2. the existing fine dried noodle drying equipment can dry fine dried noodles by using steam, hot water or heat conducting oil as a heating medium, the steam, the hot water and the heat conducting oil are supplied with heat by using coal, natural gas, biomass or electric energy consumed by a boiler, along with the improvement of environmental protection requirements and the deepening of an energy-saving concept, the natural gas becomes the first choice of a heat source for drying the fine dried noodles at present, the steam in the heating medium is more suitable for drying the fine dried noodles at high and medium temperatures, the hot water is more suitable for drying at low temperature, and the heat conducting oil is gradually eliminated due to the problem of food safety;
3. the existing dried noodle drying equipment adopts a basic mode that the dried moist gas is directly discharged to the outdoor, the heat is also discharged along with the discharge of the moisture, and the drying energy consumption is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a dried noodle drying energy-saving device combining geothermal energy and an air source heat pump, and the technical scheme of the utility model is as follows:
a dried noodle drying energy-saving device combining geothermal energy and an air source heat pump comprises a geothermal water tank, a geothermal water pump, a heat recovery box, a surface cooler, an evaporator, a condenser, an air source heat pump host, a circulating water tank, a circulating pump, a heat pump water tank, a hot water pump, a fin pipe system and a three-way proportional valve, wherein a first air inlet is formed at one end of the heat recovery box, a second air inlet and an air outlet opposite to the second air inlet are formed at the other end of the heat recovery box, an air inlet cavity, a cooling cavity, an exhaust cavity and a preheating cavity are sequentially formed in a box body of the heat recovery box between the first air inlet and the air outlet, an air inlet pipe communicated with a moisture exhaust pipe of a drying room is arranged at the air inlet cavity, a first air valve is arranged at the air inlet pipe, an exhaust pipe communicated with the outside is arranged at the exhaust cavity, a first fan and a second air valve are arranged at the exhaust pipe, a second fan is arranged at the air outlet, a third air valve is further arranged between the preheating cavity and the air exhaust cavity, a condenser is arranged in the preheating cavity, and an evaporator and a surface air cooler are arranged in the cooling cavity; a circulating water tank, a heat pump water tank and a geothermal water tank are arranged outside the heat recovery tank, a geothermal water pump is installed at a water outlet of the geothermal water tank, and a first electromagnetic valve group and a stop valve group are arranged on pipelines between the circulating water tank and the geothermal water tank as well as between the circulating water tank and the first surface air cooler as well as between the circulating water tank and the geothermal water tank; second electromagnetic valve groups are arranged on pipelines among the second surface air cooler, the third surface air cooler, the circulating water tank and the geothermal water tank, and the condenser and the evaporator are connected to an air source heat pump machine; the water outlet of the finned tube system is connected with the water inlet of an air source heat pump machine, the water outlet of the air source heat pump machine is connected with the heat pump water tank, and the water outlet of the heat pump water tank is connected with the water inlet of the finned tube system through a hot water pump; the three-way proportional valve is arranged on a pipeline between the geothermal water tank and the first surface cooler.
The first electromagnetic valve group comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a sixth electromagnetic valve and a seventh electromagnetic valve, a first branch pipe and a second branch pipe are formed at a water inlet of the first surface cooler, the first branch pipe is communicated with a water outlet of the circulating water tank, and the fourth electromagnetic valve is installed on the first branch pipe; the second branch pipe is communicated with the geothermal water tank, and a fifth electromagnetic valve, a second electromagnetic valve and a three-way proportional valve are sequentially arranged on the second branch pipe; a third branch pipe and a fourth branch pipe are formed at the water outlet of the first surface cooler, the third branch pipe is connected with the water inlet of the circulating water tank, the fourth branch pipe is connected with the second branch pipe, and a sixth electromagnetic valve, a third electromagnetic valve and a circulating pump are sequentially installed on the third branch pipe; a seventh electromagnetic valve is arranged on the fourth branch pipe; the water outlet of the geothermal water tank is provided with a fifth branch pipe communicated with a third branch pipe, the fifth branch pipe is sequentially provided with the geothermal water pump, a stop valve group and a first electromagnetic valve, and a third port of the three-way proportional valve is connected to the fifth branch pipe.
The second electromagnetic valve group comprises an eighth electromagnetic valve and a ninth electromagnetic valve, a water inlet of the second surface cooler is communicated with the second branch pipe, a water outlet of the second surface cooler is communicated with the fifth branch pipe through a sixth branch pipe, and the eighth electromagnetic valve is installed on the sixth branch pipe; and a water inlet of the second surface cooler is communicated with the second branch pipe, a water outlet of the second surface cooler is connected into the fifth branch pipe through a seventh branch pipe, and a ninth electromagnetic valve is installed on the seventh branch pipe.
The stop valve group comprises a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, and the fourth stop valve is arranged on a fifth branch pipe between the first electromagnetic valve and the geothermal water pump; a first stop valve is arranged between the geothermal water source pipeline and the geothermal water tank, a third stop valve is arranged between the geothermal water source pipeline and the fifth branch pipe, and a second stop valve is arranged on the geothermal water source pipeline between the first stop valve and the third stop valve.
The utility model has the advantages that:
1. the heat in the discharged moisture is recovered by the air source heat pump, and the recovered heat is injected into the drying system, so that the heat is recycled, and the energy consumption is greatly reduced.
2. The method comprises the following steps of (1) providing initial heat for drying the fine dried noodles by using terrestrial heat as a heat source: the geothermal resources are utilized to generate hot water, and the heat is injected into the drying system after being replaced by the air source heat pump, so that the energy consumption is reduced.
3. The low-power multi-stage recovery mode is adopted to recover the moisture-removing waste heat, and hot water with different temperatures is provided for different drying temperatures of different drying areas, so that the energy efficiency ratio of the low-temperature drying area is improved.
4. In winter, an air internal circulation mode is adopted, so that external cold air is prevented from entering the drying room, and the energy-saving effect is improved.
5. The system is equipped with surface cooler for geothermal water, can guarantee to start smoothly, and when production, utilize a small amount of geothermal water, further improve the energy efficiency ratio.
Drawings
Fig. 1 is a schematic view of the main structure of the present invention.
Detailed Description
The utility model is further described below in conjunction with specific embodiments, and the advantages and features of the utility model will become more apparent as the description proceeds. These examples are illustrative only and do not limit the scope of the present invention in any way. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model, and that such changes and modifications may be made without departing from the spirit and scope of the utility model.
Referring to fig. 1, the utility model relates to a dried noodle drying energy-saving device combining geothermal energy and an air source heat pump, which comprises a geothermal water tank 39, a geothermal water pump 41, a heat recovery tank 1, surface coolers (a first surface cooler 16, a second surface cooler 17 and a third surface cooler 18), an evaporator 19, a condenser 15, an air source heat pump host 38, a circulating water tank 20, a circulating pump 40, a heat pump water tank 35, a hot water pump 36, a finned tube system 37 and a three-way proportional valve 30, wherein a first air inlet 6 is formed at one end of the heat recovery tank 1, a second air inlet 12 and an air outlet 13 opposite to the second air inlet 12 are formed at the other end of the heat recovery tank, an air inlet cavity 2, a cooling cavity 3, an air exhaust cavity 4 and a preheating cavity 5 are sequentially formed in a box body of the heat recovery tank 1 between the first air inlet 6 and the air outlet 13, an air inlet pipe 7 communicated with a drying room moisture exhaust pipe is installed at the air inlet cavity 2, a first air valve 8 is arranged at the air inlet pipe 7, an air exhaust pipe 9 communicated with the outside is arranged at the air exhaust cavity 4, a first fan 11 and a second air valve 10 are arranged at the air exhaust pipe 9, a second fan 14 is arranged at the air outlet 13, a third air valve is arranged between the preheating cavity 5 and the air exhaust cavity 4, a condenser 15 is arranged in the preheating cavity 5, and an evaporator 19 and a surface air cooler are arranged in the cooling cavity 3; a circulating water tank 20, a heat pump water tank 35 and a geothermal water tank 39 are arranged outside the heat recovery tank 1, a geothermal water pump 41 is installed at a water outlet of the geothermal water tank 30, and a first electromagnetic valve group and a stop valve group are arranged on pipelines between the circulating water tank 20 and the first surface air cooler 16 as well as between the circulating water tank and the geothermal water tank 39; second electromagnetic valve groups are arranged on the pipelines between the second surface air cooler 17 and the third surface air cooler 18 and between the circulating water tank 20 and the geothermal water tank 39, and the condenser 15 and the evaporator 19 are both connected with an air source heat pump machine 38; the water outlet of the finned tube system 37 is connected to the water inlet of an air source heat pump machine 38, the water outlet of the air source heat pump machine 38 is connected to the heat pump water tank 35, and the water outlet of the heat pump water tank 35 is connected to the water inlet of the finned tube system 37 through a hot water pump 36; the three-way proportional valve 30 is installed on a pipeline between the geothermal water tank 39 and the first surface cooler 16.
The first electromagnetic valve group comprises a first electromagnetic valve 21, a second electromagnetic valve 22, a third electromagnetic valve 23, a fourth electromagnetic valve 24, a fifth electromagnetic valve 25, a sixth electromagnetic valve 26 and a seventh electromagnetic valve 27, a first branch pipe and a second branch pipe are formed at a water inlet of the first surface cooler 16, the first branch pipe is communicated with a water outlet of the circulating water tank 20, and the fourth electromagnetic valve 24 is installed on the first branch pipe; the second branch pipe is communicated with the geothermal water tank 39, and a fifth electromagnetic valve 25, a second electromagnetic valve 22 and a three-way proportional valve 30 are sequentially arranged on the second branch pipe; a third branch pipe and a fourth branch pipe are formed at the water outlet of the first surface air cooler 16, the third branch pipe is connected to the water inlet of the circulating water tank 20, the fourth branch pipe is connected to the second branch pipe, and a sixth electromagnetic valve 26, a third electromagnetic valve 23 and a circulating pump 40 are sequentially arranged on the third branch pipe; a seventh solenoid valve 27 is mounted on the fourth branch pipe; a fifth branch pipe communicated with the third branch pipe is installed at the water outlet of the geothermal water tank 39, the geothermal water pump 41, the stop valve group and the first electromagnetic valve 21 are sequentially installed on the fifth branch pipe, and a third port of the three-way proportional valve 30 is connected to the fifth branch pipe.
The second electromagnetic valve group comprises an eighth electromagnetic valve 28 and a ninth electromagnetic valve 29, a water inlet of the second surface cooler 17 is communicated with the second branch pipe, a water outlet of the second surface cooler is communicated with the fifth branch pipe through a sixth branch pipe, and the eighth electromagnetic valve 28 is installed on the sixth branch pipe; the water inlet of the second surface cooler 18 is communicated with the second branch pipe, the water outlet of the second surface cooler 18 is connected to the fifth branch pipe through a seventh branch pipe, and a ninth electromagnetic valve 29 is installed on the seventh branch pipe.
The stop valve group comprises a first stop valve 31, a second stop valve 32, a third stop valve 33 and a fourth stop valve 34, and the fourth stop valve 34 is arranged on a fifth branch pipe between the first electromagnetic valve 31 and the geothermal water pump 41; a first stop valve 31 is installed between the geothermal water source pipe and the geothermal water tank 39, a third stop valve 33 is installed between the geothermal water source pipe and the fifth branch pipe, and a second stop valve 32 is installed on the geothermal water source pipe between the first stop valve 31 and the third stop valve 33.
The working principle of the utility model is as follows: the heat recovery box is used for recovering exhausted high-temperature high-humidity gas, cooling the high-temperature high-humidity gas through the evaporator step by step, supplying the recovered heat to the finned tube system through the air source heat pump, and recovering the heat of the exhausted gas.
The working condition I is as follows: starting in summer
The third electromagnetic valve, the fourth electromagnetic valve and the seventh electromagnetic valve are closed, the first electromagnetic valve, the second electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the eighth electromagnetic valve and the ninth electromagnetic valve are opened, the first air valve is closed, the second air valve is opened, the third air valve is closed, the first stop valve and the third stop valve are closed, and the second stop valve and the fourth stop valve are opened. Hot water stored in the geothermal water tank is pumped into the surface cooler through a geothermal water pump and then returns to the geothermal water tank through a three-way proportional valve; the evaporator operates, the first fan operates, gas in a workshop is sucked into the cooling cavity through the first air inlet and is exhausted outdoors through the exhaust pipe, the gas is cooled and dissipated when passing through the evaporator, the evaporator sends absorbed heat to the air source heat pump host machine through a refrigerant, the heat carried by the refrigerant is converted into hot water inside the air source heat pump host machine, and the hot water sequentially passes through the finned tube system and the air source heat pump host machine under the driving of the hot water pump and then returns to the heat pump water tank, so that the heating of the drying room is completed. The condenser is connected with one of the air source heat pumps through a refrigerant, heat is sent to the condenser, the second fan operates, air in the workshop is blown through the condenser, and the air in the workshop is preheated.
Working conditions are as follows: normal production in summer:
the first electromagnetic valve, the second electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve and the eighth electromagnetic valve are closed, the third electromagnetic valve, the fourth electromagnetic valve, the seventh electromagnetic valve and the ninth electromagnetic valve are opened, the first air valve is opened, the second air valve is opened, the third air valve is closed, the first stop valve and the third stop valve are closed, and the second stop valve is opened. The high-temperature and high-humidity gas discharged from the drying room sequentially enters the air inlet cavity, the cooling cavity and the air exhaust cavity and is then exhausted to the outside. The working states of the evaporator, the air source heat pump host, the condenser, the hot water pump, the first fan and the second fan are the same as the working condition I. The circulating pump squeezes the water in the circulating water tank into the surface air cooler close to the air inlet cavity side and the surface air cooler close to the air exhaust cavity side in sequence, and then returns to the circulating water tank to preheat the externally exhausted wet cold air.
Working conditions are as follows: winter start
The third electromagnetic valve, the fourth electromagnetic valve and the seventh electromagnetic valve are closed, the first electromagnetic valve, the second electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve, the eighth electromagnetic valve and the ninth electromagnetic valve are opened, the first air valve is closed, the second air valve is closed, the third air valve is opened, the first stop valve and the third stop valve are closed, and the second stop valve and the fourth stop valve are opened. Hot water stored in the geothermal water tank is pumped into the surface cooler through a geothermal water pump and then returns to the geothermal water tank through a three-way proportional valve; the evaporator operates, the second fan operates, air in the workshop is sucked into the cooling cavity through the first air inlet, enters the preheating cavity from the air exhaust cavity, is mixed with air entering from the second air inlet, passes through the condenser and is discharged into the workshop. The air is cooled and radiated when passing through the evaporator, the evaporator sends the absorbed heat to the air source heat pump host machine by means of the refrigerant, the heat carried by the refrigerant is converted into hot water inside the air source heat pump host machine, and the hot water is driven by the hot water pump to successively pass through the finned tube system and the air source heat pump host machine and then return to the heat pump water tank, so that the heating of the drying room is completed.
Working conditions are as follows: normal production in winter
The first electromagnetic valve, the second electromagnetic valve, the fifth electromagnetic valve, the sixth electromagnetic valve and the eighth electromagnetic valve are closed, the third electromagnetic valve, the fourth electromagnetic valve, the seventh electromagnetic valve and the ninth electromagnetic valve are opened, the first air valve is opened, the second air valve is closed, the third air valve is opened, the first stop valve and the third stop valve are closed, and the second stop valve is opened. High-temperature and high-humidity gas exhausted from the drying room sequentially enters the air inlet cavity, the cooling cavity, the air exhaust cavity and the preheating cavity, is mixed with air entering from the second air inlet in the preheating cavity, and then passes through the condenser and is exhausted to the interior of the workshop. The working states of the evaporator, the air source heat pump host, the condenser and the hot water pump are the same as the working condition I. The circulating pump squeezes the water in the circulating water tank into the surface air cooler close to the air inlet cavity side and the surface air cooler close to the air exhaust cavity side in sequence, and then returns to the circulating water tank to preheat the externally exhausted wet cold air.
And (3) supplementing water by a geothermal water pump:
after the starting procedure is completed, the second stop valve and the fourth stop valve are closed, the first stop valve and the third stop valve are opened, the geothermal water pump runs, and low-temperature water in the geothermal water tank is replaced by high-temperature water.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.
Claims (4)
1. A dried noodle drying energy-saving device combining geothermal energy and an air source heat pump is characterized by comprising a geothermal water tank, a geothermal water pump, a heat recovery box, a surface air cooler, an evaporator, a condenser, an air source heat pump host, a circulating water tank, a circulating pump, a heat pump water tank, a hot water pump, a fin pipe system and a three-way proportional valve, wherein one end of the heat recovery box is provided with a first air inlet, the other end of the heat recovery box is provided with a second air inlet and an air outlet opposite to the second air inlet, an air inlet cavity, a cooling cavity, an air exhaust cavity and a preheating cavity are sequentially formed in the box body of the heat recovery box between the first air inlet and the air outlet, an air inlet pipe communicated with a moisture exhaust pipe of a drying room is arranged at the air inlet cavity, a first air valve is arranged at the air inlet pipe, an air exhaust pipe communicated with the outside is arranged at the air exhaust cavity, and a first fan and a second air valve are arranged at the air pipe, a second fan is arranged at the air outlet, a third air valve is also arranged between the preheating cavity and the air exhaust cavity, a condenser is arranged in the preheating cavity, and an evaporator and a surface air cooler are arranged in the cooling cavity; a circulating water tank, a heat pump water tank and a geothermal water tank are arranged outside the heat recovery tank, a geothermal water pump is mounted at a water outlet of the geothermal water tank, and a first electromagnetic valve group and a stop valve group are arranged on pipelines between the circulating water tank and the geothermal water tank as well as between the circulating water tank and the first surface air cooler; second electromagnetic valve groups are arranged on pipelines among the second surface air cooler, the third surface air cooler, the circulating water tank and the geothermal water tank, and the condenser and the evaporator are connected to an air source heat pump machine; the water outlet of the finned tube system is connected with the water inlet of an air source heat pump machine, the water outlet of the air source heat pump machine is connected with the heat pump water tank, and the water outlet of the heat pump water tank is connected with the water inlet of the finned tube system through a hot water pump; the three-way proportional valve is arranged on a pipeline between the geothermal water tank and the first surface cooler.
2. A dried noodle drying energy-saving device combining geothermal energy and an air source heat pump as claimed in claim 1, wherein the first electromagnetic valve group comprises a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a fifth electromagnetic valve, a sixth electromagnetic valve and a seventh electromagnetic valve, a first branch pipe and a second branch pipe are formed at a water inlet of the first surface cooler, the first branch pipe is communicated with a water outlet of the circulating water tank, and the fourth electromagnetic valve is installed on the first branch pipe; the second branch pipe is communicated with the geothermal water tank, and a fifth electromagnetic valve, a second electromagnetic valve and a three-way proportional valve are sequentially arranged on the second branch pipe; a third branch pipe and a fourth branch pipe are formed at the water outlet of the first surface cooler, the third branch pipe is connected with the water inlet of the circulating water tank, the fourth branch pipe is connected with the second branch pipe, and a sixth electromagnetic valve, a third electromagnetic valve and a circulating pump are sequentially installed on the third branch pipe; a seventh electromagnetic valve is arranged on the fourth branch pipe; the water outlet of the geothermal water tank is provided with a fifth branch pipe communicated with a third branch pipe, the fifth branch pipe is sequentially provided with the geothermal water pump, a stop valve group and a first electromagnetic valve, and a third port of the three-way proportional valve is connected to the fifth branch pipe.
3. A dried noodle drying energy-saving device combining a geothermal heat pump with an air source heat pump according to claim 2, wherein the second electromagnetic valve group comprises an eighth electromagnetic valve and a ninth electromagnetic valve, the water inlet of the second surface air cooler is communicated with the second branch pipe, the water outlet of the second surface air cooler is communicated with the fifth branch pipe through a sixth branch pipe, and the sixth branch pipe is provided with the eighth electromagnetic valve; and a water inlet of the second surface cooler is communicated with the second branch pipe, a water outlet of the second surface cooler is connected into the fifth branch pipe through a seventh branch pipe, and a ninth electromagnetic valve is installed on the seventh branch pipe.
4. A geothermal and air source heat pump combined noodle drying energy-saving device as claimed in claim 2 or 3, wherein the stop valve group comprises a first stop valve, a second stop valve, a third stop valve and a fourth stop valve, and the fourth stop valve is arranged on a fifth branch pipe between the first electromagnetic valve and the geothermal water pump; a first stop valve is arranged between the geothermal water source pipeline and the geothermal water tank, a third stop valve is arranged between the geothermal water source pipeline and the fifth branch pipe, and a second stop valve is arranged on the geothermal water source pipeline between the first stop valve and the third stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660828.XU CN216977482U (en) | 2022-03-25 | 2022-03-25 | Dried noodle drying energy-saving device combining geothermal energy with air source heat pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220660828.XU CN216977482U (en) | 2022-03-25 | 2022-03-25 | Dried noodle drying energy-saving device combining geothermal energy with air source heat pump |
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| Publication Number | Publication Date |
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| CN216977482U true CN216977482U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220660828.XU Active CN216977482U (en) | 2022-03-25 | 2022-03-25 | Dried noodle drying energy-saving device combining geothermal energy with air source heat pump |
Country Status (1)
| Country | Link |
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| CN (1) | CN216977482U (en) |
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2022
- 2022-03-25 CN CN202220660828.XU patent/CN216977482U/en active Active
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