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Heat pump unit for air source of gas turbine, drying device, drying system and method

An air source heat pump and drying device technology, which is applied in the field of drying devices and gas engine air source heat pump units, can solve the problems of high-grade energy waste, production safety impact, etc., and achieve the effect of increasing the temperature of circulating air and reducing energy consumption

Active Publication Date: 2021-01-26
SHANDONG FOOD & FERMENT IND RES & DESIGN INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The second purpose of the present invention is to provide a drying device, and the third purpose is to provide a drying system that organically combines existing gas resources and air source heat pump technology and applies it to the drying industry to solve the problem of large and medium-sized drying equipment. Dry system waste of high-grade energy, production safety and problems affecting product quality

Method used

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  • Heat pump unit for air source of gas turbine, drying device, drying system and method
  • Heat pump unit for air source of gas turbine, drying device, drying system and method
  • Heat pump unit for air source of gas turbine, drying device, drying system and method

Examples

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Embodiment 1

[0044]In a typical implementation of the present invention, refer tofigure 1 As shown, a gas engine air source heat pump unit includes an internal combustion engine (including cylinder liner) 1, a transmission (coupling) 2, a compressor 3, a condenser 4, an expansion valve 5, an evaporator 6, and flue gas sensible heat exchange Heater 7A, flue gas condensing heat exchanger 7B, jacket water heat exchanger 8, and exhaust fan 9.

[0045]The internal combustion engine 1, the transmission (coupling) 2, the compressor 3, the condenser 4, and the evaporator 6 are connected in sequence, and the internal combustion engine 1 has a cylinder liner; the expansion valve 5 is arranged in the communication pipe between the condenser 4 and the evaporator 6 On the road, and the evaporator 6 is connected back to the compressor 3 to form an air source heat pump refrigerant circulation system; the flue gas sensible heat recovery device 7A is installed on the outlet flue of the internal combustion engine 1 ...

Embodiment 2

[0050]This embodiment discloses a drying device. The device includes a box body. The gas engine air source heat pump unit described in Embodiment 1 is arranged in the box body. The box body is provided with an air inlet 11 for introducing fresh air. The air inlet 11 faces the internal combustion engine. The air inlet is arranged, the air inlet is located between the evaporator and the flue gas condensing heat exchanger, and the box body is provided with a return air inlet 12 and an air outlet 10. In some examples, the return air inlet is located close to the air inlet relative to the air inlet, and the return air outlet is located at the evaporation The air outlet is far away from the side of the flue gas condensing heat exchanger, and the air outlet blows high-temperature gas. The air outlet is arranged on the side of the flue gas sensible heat exchanger away from the jacket water heat exchanger.

[0051]referencefigure 2 As shown, the air inlet of the internal combustion engine is pr...

Embodiment 3

[0061]This embodiment discloses a drying system. The system includes the drying device described in the second embodiment. The air outlet of the drying device is connected to the drying room 19 through the air supply pipe 14, and the return air outlet is connected to the drying room. A return air pipe 13 is provided between the air supply pipe and the return air pipe, and a fire damper 15 is provided on the air supply pipe and the return air pipe. The return air pipe is provided with a branch pipe 17 near the return air outlet. The branch pipe is connected to the fresh air ventilator 18, , The return air pipe is close to the air return port, and the air inlet pipe is close to the air inlet. The air inlet of the drying device is connected to the fresh air ventilator 18 through the air inlet pipe 16.

[0062]It can be understood that the setting temperature of the fire damper 15 is related to the supply air humidity, and should be higher than 70°.

[0063]In this way, the drying device is d...

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Abstract

The invention discloses a heat pump unit for an air source of a gas turbine, a drying device, a drying system and method, which aim to solve the problem of low heat energy utilization rate in the drying field in the prior art, and have the beneficial effect of improving energy-saving effect of a heat pump. According to the specific scheme, the heat pump unit for the air source of the gas turbine comprises an internal combustion engine, a compressor, a condenser and an evaporator which are sequentially connected, wherein the evaporator is back connected to the compressor; a smoke gas sensible heat recycler is arranged at a flue at an outlet of the internal combustion engine for absorbing sensible heat of smoke gas; the smoke gas sensile heat recycler is connected to a smoke gas condensationheat exchanger for further releasing condensation heat; the evaporator is arranged at an air inlet of the heat pump unit; and the smoke gas sensible heat recycler is arranged at the tail end of the heat pump unit.

Description

Technical field[0001]The invention relates to the field of material drying, in particular to a gas engine air source heat pump unit, a drying device, a drying system and a method.Background technique[0002]The statements in this section merely provide background information related to the present invention, and do not necessarily constitute prior art.[0003]The material drying process is a process that consumes a lot of energy. According to statistics, the energy consumption for drying in some countries accounts for 5%-20% of the country's total energy consumption, while the thermal efficiency is only 20%-60%. The dryer or drying system is an indispensable main equipment in the production process of food processing, aquatic extruded feed, and food industries. It has always been one of the high energy-consuming equipment in the process. The main reason is the need to heat the air The heat convection between the hot air and the material is carried away by evaporation.[0004]In the past 3...

Claims

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Application Information

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IPC IPC(8): F26B21/00F26B21/02F26B21/08F24H4/06F02G5/02F02F1/02
CPCF26B21/002F26B21/02F26B21/086F24H4/06F02G5/02F02F1/02Y02B30/52Y02T10/12
Inventor 韩广钧李彬刘统建姚树奎
Owner SHANDONG FOOD & FERMENT IND RES & DESIGN INST