Centrifugal compressor heat transfer recycling equipment

Abstract

The utility model discloses a centrifugal compressor heat transfer recycling device which comprises a heat exchange tank, the heat exchange tank is of a cavity structure, an air inlet pipe and an air outlet pipe which penetrate through the heat exchange tank are arranged on the two sides of the top of the heat exchange tank respectively, and a water inlet pipe and a water outlet pipe are arranged on one side of the heat exchange tank. The ends, located in a heat exchange tank cavity, of the gas inlet pipe and the gas outlet pipe are connected through a heat exchange piece, the heat exchange piece comprises a flow dividing head and a flow dividing pipe, the flow dividing head is located at the ends, entering the heat exchange tank cavity, of the gas inlet pipe and the gas outlet pipe and used for separating or converging gas, and a plurality of gas channels are formed in the flow dividing head at equal angles. The flow dividing pipes are communicated with the gas channels on the flow dividing head, and the sum of the sectional areas of the channels of the flow dividing pipes is equal to the sectional area of the gas inlet pipe. Gas entering through the gas inlet pipe is shunted through the shunting head, so that the gas enters the plurality of shunting pipes, the contact area between the gas and cooling water is increased, and the heat transfer effect is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to heat energy utilization technical field, especially a centrifugal compressor heat transfer recycling equipment. BACKGROUND

[0002] Centrifugal compressor is a common industrial equipment, is widely used in petroleum chemical industry, refrigeration, air conditioning and energy recovery etc. Field. It produces a large amount of waste heat in the operation process, can recycle and utilize the heat in gas, improves energy utilization rate.

[0003] The common heat exchange equipment in the market at present mainly exchanges heat through straight-through pipeline or simple fin heat exchange device, and the contact area of the heat exchange pipe of gas flow and cooling water is small, heat cannot be fully transferred, resulting in that the heat transfer effect is not ideal. SUMMARY

[0004] The utility model wants to solve the technical problem to provide a centrifugal compressor heat transfer recycling equipment, solves the technical problem that the heat exchange pipe heat exchange efficiency of prior art is not good.

[0005] To solve the above technical problem, the technical scheme adopted by the utility model is:

[0006] A centrifugal compressor heat transfer recycling equipment, including heat exchange tank, the heat exchange tank is cavity structure, the top of heat exchange tank both sides is provided with the gas inlet pipe and the gas outlet pipe through the heat exchange tank, the lateral of heat exchange tank is provided with water inlet pipe and water outlet pipe;

[0007] The one end of gas inlet pipe and gas outlet pipe in the cavity of heat exchange tank is connected through heat exchange part;

[0008] The heat exchange part includes two shunt heads and a plurality of shunt pipes, the shunt head is located at the one end of gas inlet pipe and gas outlet pipe into the cavity of heat exchange tank, for separating or converging gas, a plurality of gas passages are arranged on the shunt head at equal angles, the number of gas passages corresponds to the number of shunt pipes, and the shunt pipe is used to connect the shunt heads at both ends.

[0009] The shunt pipe is located between the two shunt heads and is communicated with the gas passages on the shunt heads, and the sum of the passage cross-sectional areas of the plurality of shunt pipes is equal to the cross-sectional area of the gas inlet pipe.

[0010] The shunt pipe is outwardly expanding arc-shaped pipe, and the cross-sectional area formed by the plurality of shunt pipes is greater than three fourths of the cross-sectional area of the heat exchange tank and less than the complete cross-sectional area of the heat exchange tank.

[0011] The gas passage on the shunt head is fan-shaped structure at one end adhering to the gas inlet pipe or the gas outlet pipe, and is circular structure at the other end away from the shunt pipe.

[0012] The inner rotating wheel is driven to rotate by gas flow.

[0013] The outer rotating wheel is arranged outside the inner rotating wheel and is positionally matched with the inner rotating wheel.

[0014] The two ends of the inner rotating wheel are arranged as different magnetic poles, and the two ends of the inner ring of the outer rotating wheel are arranged as different magnetic poles.

[0015] The centrifugal compressor heat recycling equipment has the following beneficial effects:

[0016] 1. The gas entering through the inlet pipe is divided by the shunt head, and the gas enters several shunt pipes, the contact area of the shunt pipes with the cooling water is larger than that of the inlet pipe with the cooling water, the contact area of the gas with the cooling water is increased, and the heat transfer effect is improved.

[0017] 2. When the gas flows through the shunt pipe, the inner rotating wheel is driven to rotate, and the outer rotating wheel is further driven to rotate, the liquid in the heat exchange tank cavity is stirred by the blades of the outer rotating wheel, the water flow in the heat exchange tank is disturbed, and the heat transfer effect is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] The centrifugal compressor heat recycling equipment will be further described below in combination with the drawings and examples:

[0019] Figure 1 The centrifugal compressor heat recycling equipment is a structural schematic view;

[0020] Figure 2 The centrifugal compressor heat recycling equipment is a structural schematic view; Figure 1 The centrifugal compressor heat recycling equipment is a structural schematic view of the heat exchange tank;

[0021] Figure 3 The centrifugal compressor heat recycling equipment is a structural schematic view of the heat exchange tank; Figure 2 The centrifugal compressor heat recycling equipment is a structural schematic view of the heat exchange tank;

[0022] In the figure: 1, heat exchange tank; 11, inlet pipe; 12, outlet pipe; 13, water inlet pipe; 14, water outlet pipe; 21, shunt head; 22, shunt pipe; 23, inner rotating wheel; 24, outer rotating wheel. DETAILED DESCRIPTION

[0023] Example 1:

[0024] As Figures 1-3As shown in the figure, a centrifugal compressor heat recycling device includes a heat exchange tank 1, the heat exchange tank 1 is provided as a cavity structure, the top of the heat exchange tank 1 is provided with an air inlet pipe 11 and an air outlet pipe 12 penetrating the heat exchange tank 1 on both sides, and the side of the heat exchange tank 1 is provided with a water inlet pipe 13 and a water outlet pipe 14; the heat exchange tank 1 is connected to the high-temperature and high-pressure gas pressurized by the centrifugal compressor through the air inlet pipe 11 and the air outlet pipe 12, and the heat exchange element arranged in the cavity of the heat exchange tank 1 is used to cool the high-temperature and high-pressure gas, so as to facilitate subsequent use, and the heat in the gas can be collected and used.

[0025] The water inlet pipe 13 and the water outlet pipe 14 are used for water inlet and outlet, so as to take away the heat in the gas by heat exchange and use the heated water.

[0026] The one end of the air inlet pipe 11 and the air outlet pipe 12 in the cavity of the heat exchange tank 1 is connected by the heat exchange element, and the waste heat generated by the centrifugal compressor is reduced by the heat exchange structure, and the energy utilization rate is improved.

[0027] In one embodiment, as shown in the figure, Figure 2 The heat exchange element includes two flow dividing heads 21 and a plurality of flow dividing pipes 22, the flow dividing head 21 is located at the one end of the air inlet pipe 11 and the air outlet pipe 12 entering the cavity of the heat exchange tank 1, and is used to separate or converge the gas, the flow dividing head 21 connected to the air inlet pipe 11 is used to separate the gas, and the flow dividing head 21 connected to the air outlet pipe 12 is used to converge the gas, a plurality of gas passages are arranged at equal angles on the flow dividing head 21, the number of the gas passages corresponds to the number of the flow dividing pipes 22, the flow dividing pipe 22 is located between the two flow dividing heads 21 and is communicated to the gas passage on the flow dividing head 21, the gas separated by the flow dividing head 21 enters the flow dividing pipe 22, the contact area between the gas and the cooling water is increased by the plurality of flow dividing pipes 22, the effect of cooling the gas is improved, and the displacement effect of the heat in the gas is also improved.

[0028] In one embodiment, as shown in the figure, Figure 2 The sum of the passage cross-sectional areas of the plurality of flow dividing pipes 22 is equal to the cross-sectional area of the air inlet pipe 11. The purpose is to prevent the gas from expanding or compressing when flowing through the flow dividing pipe 22, and to reduce the excessive influence of the pressure value of the high-pressure gas on the heat recycling process.

[0029] In one embodiment, as shown in the figure, Figure 2 The plurality of flow dividing pipes 22 are all provided with outwardly expanding arc-shaped pipes, the cross-sectional area formed by the plurality of flow dividing pipes 22 is greater than three-fourths of the cross-sectional area of the heat exchange tank 1 and less than the complete cross-sectional area of the heat exchange tank 1. The purpose is to increase the gap between the plurality of flow dividing pipes 22, reduce the influence between adjacent flow dividing pipes 22 when the gas is heat exchanged, and improve the displacement effect of the heat in the gas in the flow dividing pipe 22.

[0030] In one embodiment thereof, as shown in Figure 3 The gas passage on the flow divider 21 is in a fan shape at one end adhering to the air inlet pipe 11 or the air outlet pipe 12, and is in a circular shape at the other end adhering to the flow divider pipe 22, which design can optimize the gas flow path, improve the uniformity of the airflow distribution in the heat exchange member, and further improve the heat exchange efficiency.

[0031] In the embodiment, as shown in Figure 3 The inner rotating wheel 23 is arranged in the cavity of the flow divider pipe 22 and is configured to be driven to rotate by the gas flow, the outer rotating wheel 24 is arranged outside the cavity of the flow divider pipe 22 and is arranged relative to the inner rotating wheel 23 and cooperates with the inner rotating wheel 23 in position; the two ends of the inner rotating wheel 23 away from each other are arranged as different magnetic properties, the two ends of the inner ring of the outer rotating wheel 24 are arranged as different magnetic properties, and the magnetic properties are configured to drive the outer rotating wheel 24 to rotate by the inner rotating wheel 23; the inner rotating wheel 23 and the outer rotating wheel 24 can be driven to rotate by the gas flow, the cooling water in the heat exchange tank 1 is stirred by the outer rotating wheel 24, the water flow is disturbed to promote heat exchange, and the heat utilization rate in the gas is improved.

[0032] The technical scope of the utility model is not limited to the content in the above description, and those skilled in the art can make various deformations and modifications to the above embodiment without departing from the technical thought of the utility model, and these deformations and modifications shall all belong to the protection scope of the utility model.

Claims

1. A heat transfer recycling apparatus for a centrifugal compressor, characterized by, The application relates to a heat exchange tank (1) which is a cavity structure, and the top of the heat exchange tank (1) is provided with an air inlet pipe (11) and an air outlet pipe (12) penetrating through the heat exchange tank (1) on both sides, and the side of the heat exchange tank (1) is provided with a water inlet pipe (13) and a water outlet pipe (14). The air inlet pipe (11) and the air outlet pipe (12) are connected by a heat exchange element at one end in the cavity of the heat exchange tank (1). The heat exchange element comprises two shunt heads (21) and a plurality of shunt pipes (22), the shunt heads (21) are located at one end of the air inlet pipe (11) and the air outlet pipe (12) entering the cavity of the heat exchange tank (1) and are used for separating or converging gas, a plurality of gas passages are arranged at equal angles on the shunt heads (21), the number of the gas passages corresponds to the number of the shunt pipes (22), and the shunt pipes (22) are used for connecting the shunt heads (21) at two ends.

2. A heat transfer re-use apparatus for a centrifugal compressor as defined in claim 1, wherein The shunt pipes (22) are located between the two shunt heads (21) and are connected to the gas passages on the shunt heads (21); the sum of the passage sectional areas of the plurality of shunt pipes (22) is equal to the sectional area of the air inlet pipe (11).

3. A heat transfer re-use apparatus for a centrifugal compressor as defined in claim 2, wherein The shunt pipes (22) are all arc-shaped pipes which are expanded outward, the sectional area formed by the plurality of shunt pipes (22) is greater than three fourths of the sectional area of the heat exchange tank (1) and is smaller than the sectional area of the complete heat exchange tank (1).

4. A heat transfer re-use apparatus for a centrifugal compressor as set forth in claim 3, characterized by The gas passages on the shunt heads (21) are in a fan-shaped structure at one end abutting the air inlet pipe (11) or the air outlet pipe (12) and are in a circular structure at one end away from the shunt pipes (22).

5. A heat reusing device for a centrifugal compressor according to claim 4, wherein The shunt pipes (22) are provided with inner rotating wheels (23) rotating in cavities, the inner rotating wheels (23) are driven to rotate by gas flow.

6. A heat reusing device for a centrifugal compressor according to claim 5, wherein The shunt pipes (22) are provided with outer rotating wheels (24) rotating outside the cavities, the outer rotating wheels (24) are arranged opposite to the inner rotating wheels (23) and are positionally matched.

7. A heat transfer re-use apparatus for a centrifugal compressor as defined in claim 6, wherein The two ends of the inner rotating wheels (23) away from each other are provided with different magnetic properties, the two ends of the inner ring of the outer rotating wheels (24) are provided with different magnetic properties, and the magnetic properties are configured to drive the outer rotating wheels (24) to rotate by the inner rotating wheels (23).

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