Evaporative water-cooled heat exchanger

Abstract

The utility model relates to an evaporative water-cooled heat exchanger which comprises an air inlet section, a heat exchanger body and an air outlet section. The air inlet section, the heat exchanger main body and the air outlet section are fixedly connected in sequence; and a high-temperature gas passage and a cooling water passage are arranged in the air inlet section, the heat exchanger main body and the air outlet section. Compared with the prior art, the device has the advantages that the device which cools gas and does not need to circularly cool water is designed, the steam box is additionally arranged, due to the fact that a large amount of cooling water in the partition cavity is evaporated into water vapor after being heated, and the water vapor flows out of the steam outlet in the top of the steam box to be recycled or discharged; an access hole is further formed in the air section and used for overhauling the air inlet section; the device is suitable for cooling high-temperature air with small cooling amplitude, the operation cost is reduced, and meanwhile, the generated steam can be collected and recycled.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of the high temperature gas cooling in industry, especially relates to a evaporative water cooling heat exchanger. BACKGROUND

[0002] The high temperature gas cooling in industry generally uses water cooling heat exchanger, utilizes the heat absorption of the water temperature rise to take away the heat in the gas, to reach the purpose of the gas cooling, the conventional process is the hot water after temperature rise through cooling device cooling circulation use, but the setting of cooling device (such as cooling tower, circulating pump and pipeline etc.) increases equipment cost, (such as the operation energy consumption of cooling tower and circulating pump etc.) increases operating cost, and simultaneously causes the waste of heat energy. CONTENT OF UTILITY MODEL

[0003] The utility model discloses a evaporative water cooling heat exchanger.

[0004] This vertical evaporative water cooling heat exchanger, including: air inlet section, heat exchanger main part and air outlet section, wherein, air inlet section, heat exchanger main part and air outlet section from below to above fixed connection in proper order, air inlet section, heat exchanger main part and air outlet section inside are equipped with high temperature gas passway and cooling water passway,

[0005] Heat exchanger main part includes outer cylinder and row pipe, and there is a partition cavity between the outer cylinder and the plurality of row pipes, the plurality of row pipes are evenly arranged in the heat exchanger main part along the vertical direction, both ends of the plurality of row pipes are respectively provided with end plates, the end plates seal and block the gaps between the plurality of row pipes and the cylinder wall of the outer cylinder in the horizontal direction, and the heat exchanger main part is isolated from the air inlet section and the air outlet section, and the cylinder wall of the outer cylinder is provided with an air outlet;

[0006] The high temperature gas passway is specifically: an air inlet is arranged on the air inlet section, the air inlet is connected with the bottom of the plurality of row pipes through the air duct in the air inlet section, and the top of the plurality of row pipes is connected with the air outlet arranged on the outer wall of the air outlet section through the cavity in the air outlet section;

[0007] The cooling water passway is specifically: the partition cavity between the row pipe and the outer cylinder is connected through the water supplement pipeline penetrating through the outer cylinder, and the lower side of the outer cylinder is provided with a vent for discharging water in the partition cavity.

[0008] As preferred, the air inlet section, the heat exchanger main part and the air outlet section are sequentially fixedly connected through flanges from bottom to top.

[0009] As preferred: a steam box is further provided, the steam box is communicated with the space between the plurality of tubes and the outer cylinder through the gas outlet on the cylinder wall of the outer cylinder, a steam outlet is arranged at the top of the steam box, and a drain pipeline is arranged at the bottom of the steam box, and a ball valve is arranged on the drain pipeline; since the cooling water in the space evaporates into a large amount of water vapor after being heated, the water vapor flows out of the steam outlet at the top of the steam box and is reused or discharged.

[0010] As preferred: a water supplementing box is further provided, a water supplementing pipeline is connected to the water supplementing box, an overflow port and a water supplementing port are arranged at the top of the water supplementing box, the water supplementing port is used for supplementing water to the water supplementing box, and the overflow port is used for preventing too much water in the water supplementing box from overflowing out of the water supplementing box; a ball valve is arranged on the pipeline communicating the water supplementing box with the space between the plurality of tubes and the outer cylinder, and the ball valve is used for controlling the amount of water flowing into the space from the water supplementing box.

[0011] As preferred: a maintenance opening is further arranged on the air inlet section and is used for maintaining the air inlet section.

[0012] The horizontal evaporative water-cooled heat exchanger comprises an air inlet section, a heat exchanger main body and an air outlet section, wherein the air inlet section, the heat exchanger main body and the air outlet section are sequentially and fixedly connected from right to left; and the air inlet section, the heat exchanger main body and the air outlet section are internally provided with a high-temperature gas passage and a cooling water passage.

[0013] The heat exchanger main body comprises an outer cylinder and a plurality of tubes, and a space is arranged between the plurality of tubes and the outer cylinder; the plurality of tubes are uniformly arranged in the heat exchanger main body along a horizontal direction; both ends of the plurality of tubes are respectively provided with end plates, the end plates seal and block the gaps between the plurality of tubes and the cylinder wall of the outer cylinder in a vertical direction, and the heat exchanger main body is isolated from the air inlet section and the air outlet section; and a gas outlet is arranged on the cylinder wall of the outer cylinder.

[0014] The high-temperature gas passage is specifically that an air inlet is arranged on the air inlet section, the air inlet is communicated with one end of the plurality of tubes through an air duct in the air inlet section, and the other end of the plurality of tubes is communicated with an air outlet arranged on the outer wall of the cavity in the air outlet section through the cavity in the air outlet section.

[0015] The cooling water passage is specifically that the space between the plurality of tubes and the outer cylinder is communicated through a water supplementing pipeline penetrating through the outer cylinder, and a vent is arranged on the side of the outer cylinder close to the air inlet section and is used for draining water in the space.

[0016] As preferred: the air inlet section, the heat exchanger main body and the air outlet section are sequentially and fixedly connected through flanges from right to left.

[0017] As preferred: a steam box is further provided, the steam box is communicated with the space between the plurality of tubes and the outer cylinder through the gas outlet on the cylinder wall of the outer cylinder, a steam outlet is arranged at the top of the steam box, and a drain pipeline is arranged at the bottom of the steam box, and a ball valve is arranged on the drain pipeline; since the cooling water in the space evaporates into a large amount of water vapor after being heated, the water vapor flows out of the steam outlet at the top of the steam box and is reused or discharged.

[0018] As preferred: a water supplement tank is further provided, a water supplement pipeline is connected to the water supplement tank, an overflow port and a water supplement port are provided at the top of the water supplement tank, the water supplement port is used for supplementing water to the water supplement tank, and the overflow port is used for preventing too much water in the water supplement tank from overflowing out of the water supplement tank; a ball valve is arranged on a pipeline connecting the water supplement tank and the cavity between the tube bank and the outer cylinder, and the ball valve is used for controlling the amount of water flowing into the cavity from the water supplement tank.

[0019] As preferred: a maintenance opening is further arranged on the air inlet section and is used for maintaining the air inlet section.

[0020] The device of the utility model is used for cooling high-temperature air without circulating cooling water, and the device is a vertical evaporative water-cooled heat exchanger or a horizontal evaporative water-cooled heat exchanger, which is internally provided with a high-temperature gas passage and a cooling water passage; a steam tank is additionally arranged, cooling water in the cavity is evaporated into steam after being heated, the steam is discharged from the steam outlet at the top of the steam tank for reuse or discharge; a maintenance opening is further arranged on the air inlet section and is used for maintaining the air inlet section; the device is suitable for cooling high-temperature air with a small cooling range, reduces operation cost, and can collect and reuse the generated steam. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the vertical evaporative water-cooled heat exchanger of the utility model; Figure 1

[0022] Figure 2 It is a perspective view of the vertical evaporative water-cooled heat exchanger of the utility model; Figure 2

[0023] Figure 3 It is a sectional view of the vertical evaporative water-cooled heat exchanger of the utility model;

[0024] Figure 4 It is a front view of the horizontal evaporative water-cooled heat exchanger of the utility model.

[0025] The reference signs are explained as follows: air outlet 1, air outlet section 2, heat exchanger main body 3, water supplement port 4, water supplement tank 5, steam outlet 6, steam tank 7, air inlet section 8, air inlet 9, vent 10, overflow port 11, outer cylinder 12, tube bank 13, maintenance opening 14, ball valve 15. DETAILED DESCRIPTION

[0026] ​​The utility model is further described below in combination with the embodiments. The following description of the embodiments is only for helping to understand the utility model. It should be noted that, for ordinary personnel in the technical field, without departing from the principle of the utility model, the utility model can be modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

[0027] Embodiment 1

[0028] As Figures 1 to 3 shown, a vertical evaporative water-cooled heat exchanger comprises an air inlet section 8, a heat exchanger body 3 and an air outlet section 2; the air inlet section 8, the heat exchanger body 3 and the air outlet section 2 are sequentially fixedly connected by flanges from bottom to top; the air inlet section 8, the heat exchanger body 3 and the air outlet section 2 are internally provided with high-temperature gas passages and cooling water passages;

[0029] The heat exchanger body 3 comprises an outer cylinder 12 and a plurality of tubes 13, and there is a partition cavity between the plurality of tubes 13 and the outer cylinder 12; the plurality of tubes 13 are uniformly arranged in a vertical direction within the heat exchanger body 3; both ends of the plurality of tubes 13 are respectively provided with end plates, which seal and block the gaps between the plurality of tubes 13 and the cylinder wall of the outer cylinder 12 in a horizontal direction, thereby isolating the heat exchanger body 3 from the air inlet section 8 and the air outlet section 2; the cylinder wall of the outer cylinder 12 is provided with an air outlet; a steam tank 7 is further provided, which communicates the partition cavities between the plurality of tubes 13 and the outer cylinder 12 through the air outlet on the cylinder wall of the outer cylinder 12; the steam tank 7 is provided with a steam outlet 6 at the top and a drainage pipeline at the bottom, and the drainage pipeline is provided with a ball valve 15; since the cooling water in the partition cavities will evaporate into a large amount of water vapor after being heated, the water vapor flows out of the steam outlet at the top of the steam tank for reuse or discharge;

[0030] The high-temperature gas passages are specifically as follows: an air inlet 9 is arranged on the air inlet section 8, and a maintenance opening 14 is further arranged on the air section for maintenance of the air inlet section; the air inlet 9 is connected to the bottoms of the plurality of tubes 13 through an air duct in the air inlet section 8, and the tops of the plurality of tubes 13 are connected to an air outlet 1 arranged on the outer wall of the cavity of the air outlet section 2 through the cavity in the air outlet section 2;

[0031] The cooling water passages are specifically as follows: a water supplement tank 5 is further provided, one end of a water supplement pipeline is connected to the water supplement tank 5, and the other end of the water supplement pipeline penetrates through the outer cylinder 12 to communicate the partition cavities between the plurality of tubes 13 and the outer cylinder 12; a vent 10 is arranged on the lower side of the outer cylinder 12 for discharging water in the partition cavities; the water supplement tank 5 is provided with an overflow opening 11 and a water supplement opening 4 at the top; the water supplement opening is used for supplementing water in the water supplement tank, and the overflow opening is used for preventing the water in the water supplement tank from overflowing out of the water supplement tank; a ball valve 15 is arranged on the pipeline communicating the water supplement tank 5 and the partition cavities between the plurality of tubes 13 and the outer cylinder 12, and the ball valve is used for controlling the amount of water supplied from the water supplement tank to the cavities.

[0032] Embodiment 2

[0033] As Figure 4 shown, a horizontal evaporative water-cooled heat exchanger, comprising: an air inlet section 8, a heat exchanger body 3 and an air outlet section 2; wherein the air inlet section 8, the heat exchanger body 3 and the air outlet section 2 are sequentially fixedly connected from right to left by flanges; the air inlet section 8, the heat exchanger body 3 and the air outlet section 2 are internally provided with high-temperature gas passages and cooling water passages;

[0034] The heat exchanger body 3 comprises an outer cylinder 12 and a plurality of tubes 13, and there is a partition cavity between the plurality of tubes 13 and the outer cylinder 12; the plurality of tubes 13 are uniformly arranged in the heat exchanger body 3 along the horizontal direction; both ends of the plurality of tubes 13 are respectively provided with end plates, and the end plates seal and block the gaps between the plurality of tubes 13 and the cylinder wall of the outer cylinder 12 in the vertical direction, thereby isolating the heat exchanger body 3 from the air inlet section 8 and the air outlet section 2; the cylinder wall of the outer cylinder 12 is provided with a gas outlet; a steam box 7 is further provided, which communicates the partition cavities between the plurality of tubes 13 and the outer cylinder 12 through the gas outlet on the cylinder wall of the outer cylinder 12, the steam box 7 is provided with a steam outlet 6 at the top and a drain pipe at the bottom, and a ball valve 15 is arranged on the drain pipe; since the cooling water in the partition cavity will evaporate into a large amount of water vapor after being heated, the water vapor flows out of the steam outlet at the top of the steam box for reuse or discharge;

[0035] The high-temperature gas passage specifically comprises: an air inlet 9 arranged on the air inlet section 8, and an inspection hole 14 arranged on the air inlet section 8 for inspection of the air inlet section; the air inlet 9 is connected to one end of the plurality of tubes 13 through an air duct in the air inlet section 8, and the other end of the plurality of tubes 13 is connected to an air outlet 1 arranged on the outer wall of the cavity of the air outlet section 2 through the cavity in the air outlet section 2;

[0036] The cooling water passage specifically comprises: a water supplement tank 5 is further provided, one end of a water supplement pipe is connected to the water supplement tank 5, and the other end of the water supplement pipe passes through the outer cylinder 12 to communicate the partition cavities between the plurality of tubes 13 and the outer cylinder 12; an air vent 10 is arranged on the side of the outer cylinder 12 close to the air inlet section 8 for discharging water in the partition cavities; an overflow port 11 and a water supplement port 4 are arranged on the top of the water supplement tank 5, the water supplement port is used for supplementing water in the water supplement tank, and the overflow port is used for preventing excessive water in the water supplement tank from overflowing out of the water supplement tank; a ball valve 15 is arranged on the pipe communicating the water supplement tank 5 with the partition cavities between the plurality of tubes 13 and the outer cylinder 12, and the ball valve is used for controlling the amount of water supplied from the water supplement tank to the cavities.

Claims

1. A vertical evaporative water cooled heat exchanger characterized by, The application relates to a high-temperature gas cooling device. The high-temperature gas cooling device comprises an air inlet section (8), a heat exchanger main body (3) and an air outlet section (2); the air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are sequentially fixedly connected from bottom to top; the air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are internally provided with a high-temperature gas channel and a cooling water channel; The heat exchanger main body (3) comprises an outer cylinder (12) and tubes (13), and a plurality of the tubes (13) are provided with a partition cavity between the outer cylinder (12); the plurality of the tubes (13) are uniformly arranged in the heat exchanger main body (3) along a vertical direction; both ends of the plurality of the tubes (13) are provided with end plates, the end plates seal and block gaps between the plurality of the tubes (13) and a cylinder wall of the outer cylinder (12) in a horizontal direction, and the heat exchanger main body (3) is isolated from the air inlet section (8) and the air outlet section (2); the cylinder wall of the outer cylinder (12) is provided with an air outlet; The high-temperature gas channel is specifically that an air inlet (9) is arranged on the air inlet section (8), the air inlet (9) is connected with bottoms of the plurality of the tubes (13) through an air duct in the air inlet section (8), and the plurality of the tubes (13) are connected with an air outlet (1) arranged on an outer wall of a cavity of the air outlet section (2) through the cavity in the air outlet section (2); The cooling water channel is specifically that a water supplement pipeline is arranged to pass through the outer cylinder (12) and connect the partition cavity between the tubes (13) and the outer cylinder (12); and the lower side of the outer cylinder (12) is provided with a vent (10).

2. The vertical evaporative water-to-liquid heat exchanger according to claim 1, wherein: The air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are sequentially fixedly connected through flanges from bottom to top.

3. The vertical evaporative water-to-liquid heat exchanger according to claim 2, wherein: A steam box (7) is further arranged, the steam box (7) is connected with the partition cavity between the plurality of the tubes (13) and the outer cylinder (12) through the air outlet on the cylinder wall of the outer cylinder (12), the steam box (7) is provided with a steam outlet (6) at the top and a water drainage pipeline at the bottom, and the water drainage pipeline is provided with a ball valve (15).

4. The vertical evaporative water-to-liquid heat exchanger according to claim 3, wherein: A water supplement box (5) is further arranged, the water supplement pipeline is connected with the water supplement box (5), the water supplement box (5) is provided with an overflow port (11) and a water supplement port (4) at the top; and the pipeline connecting the water supplement box (5) with the partition cavity between the tubes (13) and the outer cylinder (12) is provided with a ball valve (15).

5. The vertical evaporative water-to-liquid heat exchanger according to claim 4, wherein: An inspection hole (14) is further arranged on the air inlet section.

6. A horizontal evaporative water cooled heat exchanger characterized by, The application relates to a high-temperature gas cooling device. The high-temperature gas cooling device comprises an air inlet section (8), a heat exchanger main body (3) and an air outlet section (2); the air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are sequentially fixedly connected from right to left; the air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are internally provided with a high-temperature gas channel and a cooling water channel; The heat exchanger main body (3) comprises an outer cylinder (12) and tubes (13), and a plurality of the tubes (13) are provided with a partition cavity between the outer cylinder (12); the plurality of the tubes (13) are uniformly arranged in the heat exchanger main body (3) along a horizontal direction; both ends of the plurality of the tubes (13) are provided with end plates, the end plates seal and block gaps between the plurality of the tubes (13) and a cylinder wall of the outer cylinder (12) in a vertical direction, and the heat exchanger main body (3) is isolated from the air inlet section (8) and the air outlet section (2); the cylinder wall of the outer cylinder (12) is provided with an air outlet; The high-temperature gas passage is specifically: an air inlet (9) is arranged on the air inlet section (8), the air inlet (9) is communicated with one end of a plurality of column pipes (13) through an air duct in the air inlet section (8), and the other end of the plurality of column pipes (13) is communicated with an air outlet (1) arranged on the outer wall of a cavity of the air outlet section (2) through the cavity inside the air outlet section (2); The cooling water passage is specifically: a water supplement pipeline passing through the outer cylinder (12) is arranged to communicate the space between the column pipes (13) and the outer cylinder (12), and the side of the outer cylinder (12) close to the air inlet section (8) is provided with a vent (10).

7. The horizontal evaporative water cooled heat exchanger as claimed in claim 6 wherein: The air inlet section (8), the heat exchanger main body (3) and the air outlet section (2) are sequentially fixed and connected through flanges from right to left.

8. The horizontal evaporative water cooled heat exchanger according to claim 7, wherein: A steam tank (7) is further arranged, the steam tank (7) is communicated with the space between the column pipes (13) and the outer cylinder (12) through a gas outlet on the cylinder wall of the outer cylinder (12), the steam tank (7) is provided with a steam outlet (6) at the top, and the steam tank (7) is provided with a drain pipeline at the bottom, and the drain pipeline is provided with a ball valve (15).

9. The horizontal evaporative water cooled heat exchanger according to claim 8, wherein: A water supplement tank (5) is further arranged, the water supplement pipeline is connected with the water supplement tank (5), the water supplement tank (5) is provided with an overflow port (11) and a water supplement port (4) at the top, and the pipeline communicating the water supplement tank (5) with the space between the column pipes (13) and the outer cylinder (12) is provided with a ball valve (15).

10. The horizontal evaporative water cooled heat exchanger according to claim 9, wherein: The air inlet section is further provided with an inspection opening (14).

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