Steam engine water supply system using waste heat for heating

Abstract

The utility model provides a steam engine water supply system utilizing waste heat to heat, which comprises an air compressor main machine, a main machine oil outlet pipe and a main machine oil return pipe are arranged on the air compressor main machine, an outlet of the main machine oil outlet pipe is connected with a waste heat oil inlet of a waste heat recoverer, and a waste heat oil outlet of the waste heat recoverer is connected with an inlet of the main machine oil return pipe. A waste heat water inlet of the waste heat recoverer is connected with an outlet of the precision filter through a first water inlet pipe, an inlet of the precision filter is connected with an outlet of the descaling instrument through a second water inlet pipe, an inlet of the descaling instrument is connected with an outlet of the water softener through a third water inlet pipe, and a waste heat water outlet of the waste heat recoverer is connected with an inlet of the heater through a first water outlet pipe. An outlet of the heater is connected with a second water outlet pipe. Hot oil of the air compressor main machine is subjected to heat exchange through the waste heat recoverer so that water can be heated, and then the water is heated through the heater so that a hot water source can be provided for the steam engine; water is softened, descaled and filtered before entering the waste heat recoverer, so that the water quality reaches the standard.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressor auxiliary equipment, in particular to a water supply system for a steam engine heated by utilizing waste heat. Background Art

[0002] Air compressors are widely used in industry today. They generate significant heat during operation, and the oil circuits within them, in particular, require cooling to prevent damage from overheating. Typically, water is used to recover waste heat by converting the heat from the compressor oil circuits. However, the recovered hot water is relatively low in temperature and contains impurities, making it insufficient for steam engines. Summary of the Invention

[0003] The purpose of the present utility model is to provide a water supply system for a steam engine heated by utilizing waste heat, which can solve the technical problems mentioned in the background technology.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the present invention is as follows: A water supply system for a steam engine heated by waste heat, comprising an air compressor main unit, the air compressor main unit being provided with a main unit oil outlet pipe and a main unit return oil pipe, the outlet of the main unit oil outlet pipe being connected to the waste heat oil inlet of the waste heat recovery device, the waste heat oil outlet of the waste heat recovery device being connected to the inlet of the main unit return pipe, the waste heat water inlet of the waste heat recovery device being connected to the outlet of a precision filter through a first water inlet pipe, the inlet of the precision filter being connected to the outlet of a descaling device through a second water inlet pipe, the inlet of the descaling device being connected to the outlet of a water softener through a third water inlet pipe, the waste heat water outlet of the waste heat recovery device being connected to the inlet of a heater through a first water outlet pipe, and the outlet of the heater being connected to a second water outlet pipe.

[0005] Preferably, a heat exchanger is provided between the waste heat oil outlet of the waste heat recovery device and the inlet of the main engine oil return pipe.

[0006] Preferably, the waste heat oil outlet of the waste heat recovery device is connected to the heat exchange oil inlet of the heat exchanger through a heat exchange oil inlet pipe, the heat exchange oil outlet of the heat exchanger is connected to the first port of the transition joint through the heat exchange oil outlet pipe, the second port of the transition joint is connected to the inlet of the main engine return oil pipe, and the third port of the transition joint is connected to the outlet of the main engine oil outlet pipe and the waste heat oil inlet through a three-way joint.

[0007] Preferably, the outlet of the first water outlet pipe is connected to the inlet of a water pump, and the outlet of the water pump is connected to the inlet of the heater through a third water outlet pipe.

[0008] Compared with the existing technology, the beneficial effects of the present invention are: the present invention exchanges heat with the hot oil of the air compressor main engine through the waste heat recovery device, recovers the heat of the hot oil, and then transfers the recovered heat to water to heat the water, thereby realizing waste heat recovery and improving energy utilization; the water is softened, descaled and filtered before entering the waste heat recovery device to ensure that the water quality meets the standard, and the water is heated by heat exchange in the waste heat recovery device and then heated by the heater, thereby providing a hot water source for the steam engine, and the water quality and temperature can meet the use requirements of the steam engine. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 It is a three-dimensional diagram of the present utility model. DETAILED DESCRIPTION

[0010] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0011] like Figure 1 As shown, the utility model provides a water supply system for a steam engine heated by waste heat, comprising an air compressor main unit 1, on which a main unit oil outlet pipe 2 and a main unit return oil pipe 3 are provided, the outlet of the main unit oil outlet pipe 2 is connected to the waste heat oil inlet of the waste heat recovery device 4, the waste heat oil outlet of the waste heat recovery device 4 is connected to the inlet of the main unit return oil pipe 3, the waste heat water inlet of the waste heat recovery device 4 is connected to the outlet of the precision filter 6 through the first water inlet pipe 5, the inlet of the precision filter 6 is connected to the outlet of the descaling device 7 through the second water inlet pipe 20, the inlet of the descaling device 7 is connected to the outlet of the water softener 9 through the third water inlet pipe 8, the waste heat water outlet of the waste heat recovery device 4 is connected to the inlet of the heater 11 through the first water outlet pipe 10, and the outlet of the heater 11 is connected to the second water outlet pipe 12.

[0012] When the utility model is in use, the hot oil in the air compressor main unit 1 enters the oil circuit of the waste heat recovery device 4 through the main unit oil outlet pipe 2 for heat exchange. The oil circuit of the waste heat recovery device 4 recovers the heat of the hot oil and transfers it to the water circuit therein, so that the cold water in the water circuit is heated, thereby realizing waste heat recovery and improving energy utilization. The cooled cold oil returns to the air compressor main unit 1 again through the main unit return oil pipe 3. The water softener 9 softens the cold water, and then the cold water enters the descaling device 7 through the third water inlet pipe 8. The descaling device 7 descales the cold water, and then the cold water enters the precision filter 6 through the second water inlet pipe 20. The precision filter 6 filters various impurities and suspended matter in the cold water. The cold water is softened, descaled and filtered before entering the waste heat recovery device 4 to ensure that the water quality meets the standard. Then the cold water enters the water channel of the waste heat recovery device 4 through the first water inlet pipe 5, and the water is heated through heat exchange. Then the warm water enters the heater 11 through the first water outlet pipe 10, and the heater 11 heats the warm water. The heated hot water provides a hot water source for the steam engine through the second water outlet pipe 12, and the water quality and temperature of the hot water can meet the use requirements of the steam engine.

[0013] Preferably, a heat exchanger 13 is further provided between the waste heat oil outlet of the waste heat recovery device 4 and the inlet of the main engine return oil pipe 3. Specifically, the waste heat oil outlet of the waste heat recovery device 4 is connected to the heat exchange oil inlet of the heat exchanger 13 via a heat exchange oil inlet pipe 14. The heat exchange oil outlet of the heat exchanger 13 is connected to the first port of a transition joint 16 via a heat exchange oil outlet pipe 15. The second port of the transition joint 16 is connected to the inlet of the main engine return oil pipe 3. The third port of the transition joint 16 is connected to the outlet of the main engine oil outlet pipe 2 and the waste heat oil inlet of the waste heat recovery device 4 via a tee joint 17. When the temperature of the cold oil is not low enough after it comes out of the waste heat recovery device 4, the heat exchanger 13 can be opened, and the cold oil enters the heat exchanger 13 through the heat exchange oil inlet pipe 14 to be cooled, and then enters the air compressor main engine 1 through the heat exchange oil outlet pipe 15, the transition joint 16 and the main engine return oil pipe 3.

[0014] Preferably, the outlet of the first water outlet pipe 10 is connected to the inlet of the water pump 18, and the outlet of the water pump 18 is connected to the inlet of the heater 11 through the third water outlet pipe 19. Warm water is pumped into the heater 11 through the water pump 18 to provide power for the transportation of hot water.

[0015] Although the embodiments of the present invention have been disclosed above, they are not limited to the applications listed in the description and the embodiments. They can be fully applied to various fields suitable for the present invention. For those familiar with the art, additional modifications can be easily implemented. Therefore, without departing from the general concept defined by the claims and the scope of equivalents, the present invention is not limited to the specific details and the illustrations shown and described herein.

Claims

1. A water supply system for a steam engine using waste heat for heating, comprising an air compressor main engine, the air compressor main engine being provided with a main engine oil outlet pipe and a main engine oil return pipe, characterized in that: The outlet of the main engine oil outlet pipe is connected to the waste heat oil inlet of the waste heat recovery device, the waste heat oil outlet of the waste heat recovery device is connected to the inlet of the main engine return pipe, the waste heat water inlet of the waste heat recovery device is connected to the outlet of the precision filter through the first water inlet pipe, the inlet of the precision filter is connected to the outlet of the descaling device through the second water inlet pipe, the inlet of the descaling device is connected to the outlet of the water softener through the third water inlet pipe, the waste heat water outlet of the waste heat recovery device is connected to the inlet of the heater through the first water outlet pipe, and the outlet of the heater is connected to the second water outlet pipe.

2. The water supply system for a steam engine using waste heat heating according to claim 1, characterized in that: A heat exchanger is further provided between the waste heat oil outlet of the waste heat recovery device and the inlet of the main engine oil return pipe.

3. The water supply system for a steam engine using waste heat heating according to claim 2, characterized in that: The waste heat oil outlet of the waste heat recovery device is connected to the heat exchange oil inlet of the heat exchanger through a heat exchange oil inlet pipe, the heat exchange oil outlet of the heat exchanger is connected to the first port of the transition joint through the heat exchange oil outlet pipe, the second port of the transition joint is connected to the inlet of the main engine return oil pipe, and the third port of the transition joint is connected to the outlet of the main engine oil outlet pipe and the waste heat oil inlet through a tee joint.

4. The water supply system for a steam engine using waste heat for heating according to claim 1, 2 or 3, characterized in that: The outlet of the first water outlet pipe is connected to the inlet of the water pump, and the outlet of the water pump is connected to the inlet of the heater through the third water outlet pipe.

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