CN201782129U - Heat pump drying oven system - Google Patents

Abstract

The utility model discloses a heat pump drying oven system, which comprises a hot water bucket, a heat pump and a plurality of hot air circulation drying ovens for shoemaking; a hot water outlet of the heat pump is communicated with a first water inlet of the hot water barrel, and a water inlet of the heat pump is communicated with a first water outlet of the hot water barrel; the water inlet of the hot air circulation drying oven is communicated with the second water outlet of the hot water barrel, and the water outlet of the hot air circulation drying oven is communicated with the second water inlet of the hot water barrel; therefore, the hot water barrel is utilized to enable the heat pump to be communicated with each hot air circulation drying oven, hot water generated by the heat pump is conveyed into each hot air circulation drying oven, and then return water is conveyed back to the heat pump to form circulation and recycling, so that the traditional electric heating mode is replaced, heat energy does not need to be conveyed to the hot air circulation drying ovens additionally, the energy consumption of the hot air circulation drying ovens is greatly reduced, the energy is saved, the environment is protected, and the production cost is reduced.

Description

Heat pump oven system

technical field

The utility model relates to the technology in the field of shoemaking machinery, in particular to an energy-saving and environment-friendly heat pump oven system.

Background technique

The heat pump water heater is an energy-saving and carbon-reducing environmental protection equipment, which uses the heat energy absorbed by the air to achieve the effect of heating cold water. The hot water temperature can reach up to 85°C, which saves 60% of electricity consumption compared with electric heating. The double-effect heat pump water heater can produce hot water and ice water at the same time to achieve the best energy-saving effect. The heat pump water heater has six major advantages: 1. Safety: no combustion, no exhaust gas, no danger of boiler explosion, no gas poisoning, no public danger of oil leakage polluting the ground. 2. Energy saving: low power consumption, saving 60% of electric heating costs, 50% of natural gas costs, and 60% of boiler costs. 3. Environmental protection: the use of natural heat (hot air, water heat, waste heat) does not produce carbon dioxide, and can release cold air to reduce the greenhouse effect. 4. Multi-function: Provide free cold air while making hot water, which can dehumidify and purify the air. 5. Convenience: easy to install, can use the original system to save money, fully automatic control, only need to switch on the operating system, very time-saving and convenient. 6. High-tech: It adopts a high-tech heat recovery system, which can produce hot water at temperatures above minus 5°C. Heat pump water heaters are suitable for people's livelihood such as restaurants, hotels, restaurants, schools, hospitals, nursing homes, beauty salons, warm water swimming pools, SPA, dormitories and homes, etc., and are also suitable for industries such as washing machines, factory water cooling, boilers Warm up etc.

However, heat pumps are currently underutilized in the field of shoemaking. The heat energy of the hot air circulation oven used in the shoemaking process is directly obtained by electric heating or infrared lamps. The way of electric heating or infrared lamp tube consumes a lot of energy, which is not conducive to energy saving and environmental protection, and is not conducive to the reduction of production cost.

Utility model content

In view of this, the utility model aims at the deficiencies of the prior art, and its main purpose is to provide a heat pump oven system, which can effectively solve the problem of high energy consumption of the hot air circulation oven.

In order to achieve the above object, the utility model adopts the following technical solutions:

A heat pump oven system, including a hot water bucket, a heat pump and a plurality of hot air circulation ovens for shoemaking; the hot water outlet of the heat pump is connected to the first water inlet of the hot water bucket, and the water inlet of the heat pump is connected to the first water outlet of the hot water bucket The water inlet of the hot air circulation oven is connected to the second water outlet of the hot water bucket, and the water outlet of the hot air circulation oven is connected to the second water inlet of the hot water bucket.

As a preferred solution, it further includes a factory central air conditioner, and the corresponding heat pump is a double-effect heat pump, and the double-effect heat pump includes a heat exchanger, an expansion valve, a cold exchanger and a compressor that are sequentially connected in a loop; The water inlet and the hot water outlet are arranged on the heat exchanger; the water inlet of the central air conditioner in the factory building is connected to the water outlet of the cold exchanger, and the water outlet of the central air conditioner in the factory building is connected to the water inlet of the cold exchanger.

As a preferred solution, the heat pump is a single-effect heat pump, which includes a heat exchanger, an expansion valve, an evaporator, and a compressor that are sequentially connected in a loop; the water inlet and hot water outlet of the aforementioned heat pump are arranged on the heat exchanger ; The cold air outlet of the evaporator is connected to the workshop.

As a preferred solution, the hot air circulation oven is provided with a heat exchanger and a fan for blowing towards the heat exchanger, the water inlet of the heat exchanger is the water inlet of the hot air circulation oven, and the water outlet of the heat exchanger is The water outlet of the hot air circulation oven.

As a preferred solution, the fan is located above or at the side of the heat exchanger, and the fan circulates air to the hot air circulation oven and then blows the air through the heat exchanger.

As a preferred solution, the hot water bucket is connected with an auxiliary heating device.

Compared with the prior art, the utility model has obvious advantages and beneficial effects. Specifically, it can be known from the above technical solutions:

1. By using the hot water barrel to connect the heat pump to each hot air circulation oven, the hot water generated by the heat pump is transported to each hot air circulation oven, and then the return water is transported back to the heat pump to form a cycle and reuse, replacing the traditional electric heating method. There is no need to send heat energy to the hot air circulation oven, which greatly reduces the energy consumption of the hot air circulation oven, which is energy-saving and environmentally friendly, and is conducive to reducing production costs.

2. By discharging the cold air generated by the single-effect heat pump to the factory building, or sending the ice water generated by the double-effect heat pump to the central air conditioner of the factory building for auxiliary cooling, the heat pump is fully utilized and the energy utilization rate is improved.

3. There is an auxiliary heating device connected to the hot water barrel, and the auxiliary heating device is used to auxiliary heat the hot water in the hot water barrel. Adjustment to improve the quality of shoemaking; secondly, when the heat pump is abnormal or overhauled, the auxiliary heating device can be used to directly heat the hot water tank temporarily to avoid production stoppage.

In order to more clearly illustrate the structural features and effects of the utility model, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments:

Description of drawings

Fig. 1 is the working principle diagram of the first embodiment of the utility model;

Fig. 2 is a schematic diagram of the working principle of the second embodiment of the present invention.

Explanation of the accompanying drawings:

10. Hot water barrel 11. The first water inlet

12. The second water inlet 13. The first water outlet

14. Second water outlet 15. Auxiliary heating device

20. Heat pump 21. Heat exchanger

211. Water inlet 212. Water outlet

22. Expansion valve 23. Cold exchanger

231. Water outlet 232. Water inlet

24. Compressor 30. Hot air circulation oven

31. Bracket 32. Conveyor belt

33. Shell 34. Heat exchanger

341. Water inlet 342. Water outlet

35. Fan 41. The first water pump

42. The second water pump 43. The third water pump

50. Factory central air conditioner 51. Water inlet

52. Water outlet 60. Heat pump

61. Heat exchanger 611. Water inlet

612. Water outlet 62. Expansion valve

63. Evaporator 631. Cold air outlet

64. Compressor

Detailed ways:

Please refer to shown in Fig. 1, it has shown the concrete structure of the first preferred embodiment of the present utility model, comprises the hot air circulation oven 30 that hot water tank 10, heat pump 20 and plural shoemaking are used.

Wherein, the structure of the hot water tank 10 is an existing mature technology, and the structure of the hot water tank 10 will not be described in detail here. The hot water bucket 10 is used to store hot water and return water. The hot water bucket 10 is provided with a first water inlet 11 , a plurality of second water inlets 12 , a first water outlet 13 and a plurality of second water outlets 14 . And, the hot water tank 10 is connected with an auxiliary heating device 15, and the auxiliary heating device 15 is used for auxiliary heating of the hot water in the hot water tank 10 as required, so that the temperature of the hot water can be adjusted and the heating efficiency can be improved.

The heat pump 20 is a double-effect heat pump, which includes a heat exchanger 21 , an expansion valve 22 , a cold exchanger 23 and a compressor 24 sequentially connected in a loop. The heat exchanger 21 is provided with a water inlet 211 and a water outlet 212 . The water inlet 211 of the heat exchanger 21 is the water inlet of the heat pump 20. The water inlet 211 of the heat exchanger 21 is connected to the first water outlet 13 of the aforementioned hot water bucket 10 through a pipeline, and the first water pump 41 is arranged on the pipeline. The return water in the hot water tank 10 can be pumped into the heat exchanger 21 by the first water pump 41 . The water outlet 212 of the heat exchanger 21 is the hot water outlet of the heat pump 20. The water outlet 212 of the heat exchanger 21 is connected to the first water inlet 11 of the aforementioned hot water bucket 10 through a pipeline, and the hot water in the heat exchanger 21 passes through the water outlet. 212 output and flow into the aforementioned hot water tank 10. The cold exchanger 23 is provided with a water outlet 231 and a water inlet 232 . The water outlet 231 of the cold exchanger 23 is connected to the water inlet 51 of the factory building central air conditioner 50 through a pipeline, and a second water pump 42 is arranged on the pipeline, and the ice water in the cold exchanger 23 is pumped into the factory building by using the second water pump 42 Central air 50'. The water inlet 232 of the cold exchanger 23 is connected to the water outlet 52 of the factory building central air conditioner 50 through a pipeline, and the return water of the factory building central air conditioner 50 is output through the water outlet 52 and returns to the cold exchanger 23 .

The hot air circulation oven 30 is used for drying shoe materials, and each hot air circulation oven 30 has the same structure, including a support 31 , a conveyor belt 32 , a casing 33 , a heat exchanger 34 and a fan 35 . The transmission belt 32 is arranged on the bracket 31, and the transmission belt 32 is used for transmitting shoe materials. The casing 33 is located above the conveyor belt 32 , and the casing 33 has an opening facing the conveyor belt 32 . The heat exchanger 34 is installed in the shell 31, and the heat exchanger 34 is provided with a water inlet 341 and a water outlet 342. The water inlet 341 is the water inlet of the hot air circulation oven 30, and the water outlet 342 is the outlet of the hot air circulation oven 30. Shuikou. The water inlet 341 is connected to the second water outlet 14 of the aforementioned hot water bucket 10 through a pipeline, and the water outlet 342 is connected to the second water inlet 12 of the aforementioned hot water bucket 10 through a pipeline, and the water inlet 341 is connected to the second water outlet of the hot water bucket 10. The pipeline between 14 is provided with a third water pump 43, and the hot water in the hot water tank 10 is pumped into the heat exchanger 34 by the third water pump 43, and then the return water is output from the water outlet 342 and returned to the hot water tank 10 middle. This fan 35 is also installed in the casing 33, and is positioned at the top of the heat exchanger 34, and the fan 35 blows air towards the heat exchanger 34 to form an airflow after circulatory suction, and the airflow becomes hot blast through the heat exchanger 34, and the hot blast Through the opening of the shell 33, it is blown onto the conveyor belt 32, so that the shoe materials placed on the conveyor belt 32 can be dried.

The working principle of this embodiment is described in detail as follows:

As shown in Figure 1, the hot water produced by the double-effect heat pump 20 is output from the water outlet 211 of the heat exchanger 21, and flows into the hot water tank 10 through the first water inlet 11 of the hot water tank 10, and the hot water is temporarily stored in Hot water bucket 10 in. Next, the hot water is divided into multiple paths and output from the corresponding second water outlets 14 respectively, and the hot water flows into the corresponding hot air circulation oven 30 from the water inlet 341 by the corresponding third water pump 43 . After the hot water flows into the hot air circulation oven 30, the fan 35 starts and blows air toward the heat exchanger 34. After the air is heated by the heat exchanger 34, hot air is formed, and the hot air can be blown to the shoe materials placed on the conveyor belt 32, so that the shoes can be adjusted. materials for drying. Next, the return water in the hot air circulation oven 30 is output through the water outlet 342 , and flows into the hot water bucket 10 through the second water inlet 12 of the hot water bucket 10 . When the return water in the hot water tank 10 reaches a certain amount, the return water is output through the first water outlet 13, and the first water pump 41 is used to pump the return water into the double-effect heat pump 20 through the water inlet 211, thus completing A hot water reuse cycle, repeating the above actions can realize continuous recycling.

The ice water produced by the cold exchanger 23 is output by the water outlet 231, and the second water pump 42 is used to pump the ice water into the central air conditioner 50 of the factory building through the water inlet 51 of the central air conditioner 50 of the factory building. The ice water can assist the central air conditioner of the factory building. The air conditioner is 50% refrigerating, so that the electricity can be saved by more than 30%. Then the return water of the factory building central air conditioner 50 is output through the water outlet 52, and the return water flows back into the cold exchanger 23 through the water inlet 232, thereby completing a recycling cycle of ice water. Repeating the above actions can realize continuous recycling.

In this way, the above-mentioned hot water recycling cycle and ice water recycling cycle are performed simultaneously, and a double-effect recycling cycle can be realized.

Please refer to FIG. 2 , which shows the specific structure of the second preferred embodiment of the present invention. The difference between this embodiment and the previous embodiment is that the heat pump 60 used in this embodiment is a single-effect heat pump. The heat pump 60 includes a heat exchanger 61 , an expansion valve 62 , an evaporator 63 and a compressor 64 sequentially connected in a loop. The heat exchanger 61 is provided with a water inlet 611 and a water outlet 612 . The water inlet 611 of the heat exchanger 61 is the water inlet of the heat pump 60. The water inlet 611 of the heat exchanger 61 is connected to the first water outlet 13 of the aforementioned hot water tank 10 through a pipeline, and the first water pump 41 is also arranged on the pipeline. , the return water in the hot water tank 10 can be pumped into the heat exchanger 61 by using the first water pump 41 . The water outlet 612 of the heat exchanger 61 is the hot water outlet of the heat pump 60. The water outlet 612 of the heat exchanger 61 is connected to the first water inlet 11 of the aforementioned hot water bucket 10 through a pipeline, and the hot water in the heat exchanger 61 passes through the water outlet. 612 output and flow into the aforementioned hot water tank 10. The evaporator 63 is provided with a cold air outlet 631, and the cold air outlet 631 is connected to the plant through a pipe, so that the temperature of the plant can be adjusted by using the cold air.

The working principle of this embodiment is basically the same as that of the first embodiment, except that the evaporator 63 of this embodiment replaces the aforementioned cold exchanger 23, so that the cold air generated by the evaporator 63 is discharged through the cold air outlet 631 into the plant to adjust the temperature of the plant.

The design focus of the present utility model is:

1. By using the hot water barrel to connect the heat pump to each hot air circulation oven, the hot water generated by the heat pump is transported to each hot air circulation oven, and then the return water is transported back to the heat pump to form a cycle and reuse, replacing the traditional electric heating method. There is also no need to send heat energy to the hot air circulation oven, which greatly reduces the energy consumption of the hot air circulation oven, which is energy-saving and environmentally friendly, and is conducive to reducing production costs.

2. By discharging the cold air generated by the single-effect heat pump to the factory building, or sending the ice water generated by the double-effect heat pump to the central air conditioner of the factory building for auxiliary cooling, the heat pump is fully utilized and the energy utilization rate is improved.

3. An auxiliary heating device is connected to the hot water tank. If necessary, the auxiliary heating device can be used to auxiliary heat the hot water in the hot water tank, so that the temperature of the oven can be adjusted freely, and the temperature of the oven can be adjusted as needed to improve the quality of shoemaking. When the heat pump is abnormal or overhauled, the auxiliary heating device can be used to directly heat the hot water tank temporarily to avoid production stoppage.

The above are only preferred embodiments of the present utility model, and do not limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present utility model , all still belong to the scope of the technical solution of the utility model.

Claims (6)

1. a heat pump baking oven system is characterized in that: include the heated-air circulation oven that hot water barrel, heat pump and a plurality of shoemaking are used; The hot water outlet of this heat pump is communicated with hot water barrel's first water inlet, and the water inlet of heat pump is communicated with hot water barrel's first delivery port; The water inlet of this heated-air circulation oven is communicated with hot water barrel's second delivery port, and the delivery port of heated-air circulation oven is communicated with hot water barrel's second water inlet.

2. heat pump baking oven according to claim 1 system, it is characterized in that: further include the factory building central air-conditioning, this corresponding heat pump is a double-effect heat pump, and this double-effect heat pump includes and forms loop-coupled heat exchanger, expansion valve, cool exchanger and compressor successively; The water inlet of this heat pump and hot water outlet are arranged on the heat exchanger; The water inlet of this factory building central air-conditioning is communicated with the delivery port of cool exchanger, and the delivery port of factory building central air-conditioning is communicated with the water inlet of cool exchanger.

3. heat pump baking oven according to claim 1 system, it is characterized in that: described heat pump is the single-action heat pump, it includes and forms loop-coupled heat exchanger, expansion valve, evaporimeter and compressor successively; The water inlet of aforementioned heat pump and hot water outlet are arranged on the heat exchanger; The cold wind outlet of this evaporimeter is communicated with factory building.

4. heat pump baking oven according to claim 1 system, it is characterized in that: the fan that is provided with heat exchanger in the described heated-air circulation oven and is used for drying towards heat exchanger, the water inlet of this heat exchanger is the water inlet of heated-air circulation oven, and the delivery port of heat exchanger is the delivery port of heated-air circulation oven.

5. heat pump baking oven according to claim 4 system, it is characterized in that: described fan is positioned at the top or the side of heat exchanger, this fan circulation formula ground after heated-air circulation oven is air-breathing with the blows air over heat exchanger.

6. heat pump baking oven according to claim 1 system, it is characterized in that: described hot water barrel is connected with assisted heating device.

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