Spray condenser cooler

Abstract

The present invention discloses a spray type condensing cooler, comprising a cooler main body 1, a cooler main body 2 and a box body, wherein the cooler main body 1 and the cooler main body 2 are respectively provided with a tube array 1 and a tube array 2, and a partition wall is provided in the middle part of the box body in the longitudinal direction, the part below the partition wall becomes a condensate storage tank, and the part above the partition wall becomes a cooling water storage tank with a top wall; two short tubes with flanges extending upward are provided on the top wall of the cooling water storage tank, and the upper ends of the two short tubes are respectively connected to the cooler main body 1 and the cooler main body 2; a secondary steam inlet is provided at the upper part of the cooler main body 1; a vacuum port is provided at the upper part of the cooler main body 2; the lower opening of the tube array 1 is connected to the left end of a liquid collecting pipe, and the right end of the liquid collecting pipe is connected to the lower opening of the tube array 2 after passing through the right side wall of the cooler main body 1 and the left side wall of the cooler main body 2; the tops of the two heads of the cooler main body 1 and the cooler main body 2 are connected with a three-pronged hot steam pipeline.

Description

Technical Field

[0001] The invention relates to the field of shell and tube heat exchange, and in particular to a spray type condensing cooler. Background Art

[0002] Most of the current coolers are single type, which mainly cools the secondary steam coming out of the evaporator of the previous stage to achieve gas-liquid separation. With the improvement of production capacity, factories often need to use coolers with higher refrigeration capacity in order to improve work efficiency and ensure product quality. At this time, either increase the number of coolers or build a new cooling tower to improve its cooling capacity. However, increasing the number of coolers will lead to the problem of large floor space, while building a new cooling tower will lead to high investment costs. Summary of the invention

[0003] The present invention aims at solving the above-mentioned shortcomings and provides a spray type condensing cooler which occupies a small area and has low investment cost.

[0004] The present invention is implemented as follows: a spray-type condensing cooler comprises a cooler body, a water pump, a spray head, a hot steam pipeline, a secondary steam inlet, a vacuum port, a collecting pipe, a water inlet pipe with an automatic water inlet valve, a condensate outlet, a condensate return pipe with a valve and a cooling water circulation system, wherein the cooler body has a shell, and the upper and lower ends of the shell are respectively provided with tube sheets, and the tube sheets are provided with a plurality of water drop holes, and the interior of the cooler body is provided with a tube array and a plurality of baffles, and the upper and lower ends of the tube array are respectively fixedly connected to the upper and lower tube sheets of the cooler body, and the lower end of the tube array is connected to the left end of a collecting pipe, and the upper opening of the cooler body is provided with a head, and the head A hollow circular hole is provided on the top of the head, a spray head with a spray head water inlet pipe is provided inside the head, the upper end of the spray head water inlet pipe is exposed outward after passing through the top wall of the head, a horizontal partition is provided in the middle of a box body with a bottom wall, the partition wall divides the box body into an upper and a lower part, the lower part is a condensate storage tank, and the upper part is a cooling water storage tank with a top wall, two short pipes with flanges extending upward are arranged side by side on the top wall of the cooling water storage tank, the two short pipes are connected to the top wall of the cooling water storage tank by electric welding, and the connected short pipes are through-connected from top to bottom, the cooler body is two, namely cooler body one and cooler body two, cooler body one and cooler body two are connected The second cooler body is fixedly connected to the two short tubes on the top of the box body, and the fixed connection is connected by flange. The hot steam pipe is a three-pronged hot steam pipe, and the left end of the three-pronged hot steam pipe is provided with a downward bending part, and the downward bending part is configured to be two bifurcated pipes with lower openings; the three-pronged hot steam pipe is fixedly connected to the hollow circular holes on the top of the two heads through its two bifurcated pipes; the secondary steam inlet is connected to the upper left part of the cooler body one of the spray type condenser cooler, and the right end of the secondary steam inlet is connected to the upper opening of the tube array one provided in the cooler body one, and the vacuum port is connected to the At the upper right part, the left end of the vacuum port is connected with the upper opening of the column tube two arranged in the cooler main body two, the left end of the above-mentioned collecting pipe is connected with the lower opening of the column tube one in the cooler main body one, the right end of the collecting pipe passes through the right side wall of the cooler main body one and the left side wall of the cooler main body two adjacent thereto and then is connected with the lower opening of the column tube two, the outer wall of the collecting pipe is water-tightly connected with the right side wall of the cooler main body one and the left side wall of the cooler main body two, the above-mentioned condensate outlet is connected to the lower part of the condensate storage tank of the box body, the upper end of the above-mentioned condensate return pipe extends into the right side wall of the cooler main body two and then is connected with the collecting pipe, and the lower end of the condensate return pipe is connected to the upper part of the condensate storage tank of the box body.

[0005] The beneficial effects of the present invention are: a cooler main body 1 and a cooler main body 2 are connected side by side on the top of a box body with a condensate storage tank and a cooling water storage tank, a three-pronged hot steam pipe is provided on the top of the head of the cooler main body 1 and the cooler main body 2, and the three-pronged hot steam pipe is fixedly connected with the hollow circular holes of the two heads through its two bifurcated pipes, so that the box body, the cooler main body 1 and the cooler main body 2 are combined into a whole; thus, the purpose of combining two coolers into one is achieved. Since the cooler main body 1 and the cooler main body 2 share a condensate storage tank, a cooling water storage tank and a three-pronged hot steam pipe, this solves the problem of high investment cost and large floor space. BRIEF DESCRIPTION OF THE DRAWINGS

[0006] Figure 1 is an exploded view of the components of the spray-type condensing cooler of the present invention;

[0007] Figure 2 yes Figure 1 The structural diagram of the spray condensing cooler after assembly is shown. DETAILED DESCRIPTION

[0008] The embodiments of the present invention are described in further detail below in conjunction with the accompanying drawings.

[0009] like Figure 1 and Figure 2As shown, the lower part of the spray-type condensing cooler is provided with a box body 1 with a bottom wall, and a horizontal partition wall 25 is provided in the middle of the box body 1 in the longitudinal direction. The partition wall 25 divides the box body 1 into an upper and a lower part, the lower part of which is a condensate storage tank 21, and the upper part of which is a cooling water storage tank 2 with a top wall; two short tubes 3 with flanges 16 extending upward are arranged side by side on the top wall of the cooling water storage tank 2, and the two short tubes 3 are connected to the top wall of the cooling water storage tank 2 in an integrated manner, and the integration is connected by electric welding; the short tubes 3 after connection are through-through from top to bottom. A glass sight glass 23 is provided in the middle of the cooling water storage tank 2; a glass sight glass 24 is provided in the middle and upper part of the condensate storage tank 21, a condensate outlet 22 is provided in the lower part of the condensate storage tank 21, and a vent pipe 26 is provided in the upper part of the condensate storage tank 21; the upper ends of the two short tubes 3 of the cooling water storage tank 2 are provided with a cooler body 7 and a cooler body 2 70 respectively, the cooler body 7 has a shell 7a, and the upper and lower ends of the shell 7a are respectively provided with tube sheets 5, and the inside of the shell 7a is provided with a tube column 9 and a plurality of baffles 8, the tube column 9 is fixedly connected to the upper and lower tube sheets 5 of the cooler body 1; the plurality of baffles 8 are arranged perpendicular to the tube column 9 and arranged at equal intervals along the tube column 9. The tube sheet 5 is provided with a plurality of water drop holes (not shown in the figure) for cooling water to pass through. The upper end of the shell 1a is provided with a head 11, and the head 11 is connected to the shell 1a through a flange; a spray head 12 with a spray head water inlet pipe 12a is provided in the head 11, and the upper end of the spray head water inlet pipe 12a passes through the top wall of the head 11 and is exposed to the outside; the upper part of the shell 1a is provided with a secondary steam inlet 10 extending to the left, and the right end of the secondary steam inlet 10 is connected to the upper opening of the tube 9 in the shell 1a. The structure of the cooler body 2 70 is basically the same as that of the cooler body 17, and the difference is that the upper part of the shell 2 70a of the cooler body 2 is provided with a vacuum port 15 extending to the right.

[0010] The lower opening of the tube array 9 in the cooler body 1 is connected to the left end of a collecting pipe 6, and the right end of the collecting pipe 6 passes through the right side wall of the cooler body 1 7 and the left side wall of the adjacent cooler body 2 70 and is connected to the lower opening of the tube array 2 91 in the cooler body 2, and the upper opening of the tube array 2 91 is connected to the left end of the vacuum port 15; the outside of the collecting pipe 6 is water-tightly connected to the right side wall of the cooler body 1 7 and the left side wall of the cooler body 2 70; the top walls of the two heads 11 at the upper ends of the cooler body 1 7 and the cooler body 2 70 are connected with a three-pronged hot steam pipe 13. The left end of the three-pronged hot steam pipe 13 is provided with a downward bending portion, which is configured as two bifurcated pipes 13a with lower openings; the three-pronged hot steam pipe 13 is fixedly connected to the hollow circular holes 11a on the top walls of the two heads 11 through its two bifurcated pipes 13a, and an exhaust fan 14 is provided in the pipe extending to the right of the three-pronged hot steam pipe 13; the lower ends of the cooler body 1 7 and the cooler body 2 70 are fixedly connected to the upper openings of the two short pipes 3 on the top of the box body 1, respectively, and the fixed connection is through a flange connection; a condensate return pipe 2 with a valve 19 is connected to the lower right part of the cooler body 2 70 0, the inner end of the condensate return pipe 20 extends into the cooler body 70 and is connected to the collecting pipe 6, and the lower end of the condensate return pipe 20 is connected to the upper part of the condensate storage tank 21; a water inlet pipe 17 with an automatic water inlet valve 18 is connected to the side wall of one of the two short pipes 3, and a circulating water pump 27 is provided near the left side of the box body 1, and a water suction pipe of the circulating water pump 27 is connected to the lower part of the cooling water storage tank 2, and a circulating water pipe 4 is connected to the water outlet of the circulating water pump 27, and the circulating water pipe 4 extends upward and is connected to the spray head water inlet pipe 12a of the two spray heads 12 at the top of the cooler body 7 and the cooler body 2 70. During operation, the cooling water storage tank 2 is first opened by the automatic water inlet valve 18 to allow external water to enter the cooling water storage tank 2. When the water level reaches the position required by the glass sight glass 23 of the cooling water storage tank 2, the automatic water inlet valve 18 is automatically closed, and the circulating water pump 27 is turned on at the same time to press the cooling water from the circulating water pipe 4 into the two spray heads 12. The spray heads 12 spray water toward the tube array below them to reduce the heat in the tube array. At this time, the water temperature of the two spray heads 12 will increase when the circulating water pump 27 forces circulation. The hot steam when the water temperature increases is discharged from the workshop through the three-pronged hot steam pipe 13 by the exhaust fan 14; the sprayed cooling water falls into the cooling water storage tank 2 through the two short pipes 3 at the lower ends of the cooler body 1 7 and the cooler body 2 70; during the circulating cooling process, the cooling water in the cooling water storage tank 2 will decrease due to evaporation. When the cooling water level does not meet the requirement, the automatic water inlet valve 18 will automatically open to replenish the water source.Under the action of vacuuming at the vacuuming port 15 of the spray type condensing cooler, the secondary steam coming out of other evaporators enters the secondary steam inlet 10 on the upper part of the cooler body 7 and then flows to the vacuuming port 15 through the tube 1 9, the collecting pipe 6 and the tube 2 91; the condensate in the cooled tube 1 9 and the tube 2 91 falls into the collecting pipe 6, and the condensate in the collecting pipe 6 enters the condensate storage tank 21 through the condensate return pipe 20. When the condensate in the condensate storage tank 21 is full to the water level set by the glass sight glass 2 24, it is automatically discharged by the solenoid valve (not shown in the figure) of the condensate outlet 22. After the discharge, the solenoid valve automatically returns to its original position, and each work process is continuous.

Claims

1. A spray type condensing cooler, comprising a cooler body, a water pump, a spray head, a hot steam pipe, a secondary steam inlet, a water inlet pipe with an automatic water inlet valve, a condensate outlet, a condensate return pipe with a valve and a cooling water circulation system, wherein: A horizontal partition wall (25) is provided in the middle of a box body (1) with a bottom wall. The partition wall (25) divides the box body (1) into two parts, an upper part and a lower part. The lower part is a condensate storage tank (21), and the upper part is a cooling water storage tank (2) with a top wall. Two short pipes (3) with flanges (16) extending upward are provided on the top wall of the cooling water storage tank (2). The two short pipes (3) are connected to the top wall of the cooling water storage tank (2) by electric welding. After the connection, the short pipes (3) are connected vertically. The cooler body is divided into two parts, namely, cooler body one (7) and cooler body two. (70); the cooler body 1 (7) and the cooler body 2 (70) are respectively fixedly connected to the upper openings of the two short tubes (3) at the top of the box body (1), and the fixed connection is connected by flange. The cooler body 1 (7) has a shell 1 (7a), and the upper and lower ends of the shell 1 (7a) are respectively provided with tube sheets (5). The inside of the shell 1 (7a) is provided with a tube row 1 (9) and a plurality of baffles (8). The tube row 1 (9) is fixedly connected to the upper and lower tube sheets (5) of the cooler body 1; the plurality of baffles (8) are arranged perpendicular to the tube row 1 (9), and are arranged at equal intervals along the tube row 1 (9). The tube sheet (5) is provided with a plurality of water holes for cooling water to pass through, the upper end of the shell (7a) is provided with a head (11), and the head (11) and the shell (7a) are connected by a flange; a spray head (12) with a spray head water inlet pipe (12a) is provided in the head (11), and the upper end of the spray head water inlet pipe (12a) passes through the top wall of the head (11) and is exposed to the outside; the upper part of the shell (7a) is provided with a secondary steam inlet (10) extending to the left, and the right end of the secondary steam inlet (10) is connected to the upper opening of the shell (7a); the cooler body (2) is provided with a second steam inlet (10) extending to the left, and the right end of the second steam inlet (10) is connected to the upper opening of the shell (7a); the cooler body (2) is provided with a second steam inlet (10) extending to the left, and ... The structure of the cooler body 70 is basically the same as that of the cooler body 1 (7), except that the upper part of the outer shell 2 (70a) of the cooler body 2 is provided with a vacuum port (15) extending to the right, and the hot steam pipe is a three-pronged hot steam pipe (13), the left end of which is provided with a downward bending portion, and the downward bending portion is configured to form two bifurcated pipes (13a) with lower openings; the three-pronged hot steam pipe (13) is fixedly connected to the hollow circular holes (11a) on the top of the cooler body 1 (7) and the cooler body 2 (70) through its two bifurcated pipes (13a);The left end of the vacuum port (15) is connected to the upper opening of the second shell (70a), and the left end of a liquid collecting pipe (6) is connected to the lower opening on the right side of the first shell (7a). The right end of the liquid collecting pipe (6) is connected to the lower opening on the left side of the second shell (70a). The outside of the liquid collecting pipe (6) is water-tightly connected to the right side wall of the first cooler body (7) and the left side wall of the second cooler body (70). The condensate outlet (22) is connected to the lower part of the condensate storage tank (21) of the box (1). The upper end of the condensate return pipe (20) extends into the right side wall of the second cooler body (70) and is connected to the liquid collecting pipe (6). The lower end of the condensate return pipe (20) is connected to the upper part of the condensate storage tank (21) of the box.

2. The spray type condensation cooler according to claim 1 is characterized in that: An air vent (26) extending outward is provided at the upper portion of the condensate storage tank (21) of the box body.

3. The spray type condensation cooler according to claim 1 is characterized in that: The water inlet pipe (17) is connected to the side wall of the short pipe (3) at the top of the cooling water storage tank (2).

4. The spray type condensation cooler according to claim 1 is characterized in that: The cooling water circulation system comprises a circulating water pump (27), a water pump of the circulating water pump (27) being connected to the lower part of the cooling water storage tank (2) of the box body, a water outlet of the circulating water pump (27) being connected to a circulating water pipe (4), and the circulating water pipe (4) extending upward is connected to the sprinkler head water inlet pipe (12a) at the top of the cooler body 1 (7) and the cooler body 2 (70).

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