Heat exchange coil assembly for closed cooling tower

Abstract

The utility model relates to the technical field of cooling tower accessories, and discloses a heat exchange coil pipe assembly for a closed cooling tower, which comprises a water inlet head, a water inlet pipe is fixedly arranged on the side surface of the water inlet head, a coil pipe is fixedly arranged on the side wall of the water inlet head, and a water outlet head is fixedly arranged at one end of the coil pipe far away from the water inlet head. A water outlet pipe is fixedly installed on the side wall of the water outlet head, and a flow dividing assembly is arranged in the coil pipe. Through the arrangement of the flow dividing assembly, when cooling water flows into the coil pipe, the cooling water is guided by the gradually-increased outer edge from the small-diameter end to the large-diameter end of the spiral piece through the arrangement of the spiral piece on the center sleeve, and the cooling water in the center of the coil pipe has the flowing tendency towards one side of the inner surface of the coil pipe; and therefore, the cooling water in the coil pipe can generate heat interaction from inside to outside while flowing, so that the heat exchange efficiency of the device on the cooling water is improved, and the cooling operation effect of the whole closed cooling tower is ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to cooling tower accessory technical field, concretely is a heat exchange coil assembly for closed cooling tower. BACKGROUND

[0002] Closed cooling tower, abbreviated as closed cooling tower, (also called evaporative air cooler, closed cooling tower) puts the tubular heat exchanger in the tower, and the heat exchange of circulating water through the flowing air and spray water guarantees the cooling effect. Since it is closed circulation, it can ensure that the water quality is not polluted, and the efficient operation of the main equipment is well protected, and the service life is improved. When the outside air temperature is low, the spray water system can be stopped to achieve water saving effect.

[0003] According to the heat exchange coil assembly for closed cooling tower (announcement number: CN218270282U) disclosed in the above-mentioned application, the alignment slot on the positioning plate is aligned and inserted into the alignment plate, at this time the two extrusion clamping blocks of the alignment slot push the sliding block to move, the sliding block compresses the elastic mechanism, and finally the elastic mechanism is used. The rebound force of the elastic mechanism promotes the clamping block to be clamped into the clamping groove to realize the fixation of the positioning plate, the utility model is convenient for disassembling and assembling the heat exchange coil through the setting of the multiple clamping fixation assemblies, convenient for later maintenance, and is suitable for popularization and use.

[0004] But the cooling water in the heat dissipation coil as the heat exchange medium cannot keep consistent heat exchange efficiency at the center of the pipeline and the edge of the inner wall of the pipeline, which limits the overall heat dissipation efficiency of the cooling water flowing in the heat dissipation coil, and reduces the heat dissipation effect of the closed cooling tower. In view of this, we provide a heat exchange coil assembly for closed cooling tower. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a heat exchange coil assembly for closed cooling tower to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a heat exchange coil assembly for closed cooling tower, comprising a water inlet head, a water inlet pipe is fixedly installed on the side surface of the water inlet head, a coil is fixedly installed on the side wall of the water inlet head, a water outlet head is fixedly installed at one end of the coil away from the water inlet head, a water outlet pipe is fixedly installed on the side wall of the water outlet head, and a shunt assembly is arranged in the coil.

[0007] The shunt assembly comprises a mounting seat, the mounting seat is fixedly installed at the end of the coil pipe, a first mounting ring is fixedly installed on the outer wall of one end of the coil pipe, a steel cable is fixedly connected at the center of the first mounting ring, a tail mounting ring is fixedly installed on the outer surface of the end of the steel cable away from the first mounting ring, a center sleeve is fixedly installed on the outer surface of the steel cable, a connecting piece is fixedly installed on the outer surface of the center sleeve, a shunt ring is fixedly installed on the outer surface of the connecting piece, a spiral piece is fixedly installed on the arc-shaped outer wall of the center sleeve, a force relieving groove is formed in the inner wall of the spiral piece, and a spiral belt is fixedly installed on the end inner wall of the tail mounting ring.

[0008] Preferably, the number of the coil pipes and the mounting seats is multiple, and the two ends of the mounting seat are fixedly connected with the ends of the two groups of coil pipes, so that the multiple groups of coil pipes and the multiple groups of mounting seats are connected in series to form a spiral structure, thereby increasing the contact area of the coil pipes in the limited space and increasing the heat exchange area.

[0009] Preferably, the number of the coil pipes in each group is three, and the coil pipes are arranged in a spiral shape, so that the cooling water entering the closed cooling tower can be divided into three streams, thereby passing through the outer surface area of the three coil pipes.

[0010] Preferably, the first mounting ring and the tail mounting ring are arranged at the two ends of one coil pipe, and the first mounting ring and the tail mounting ring are fixedly installed on the inner wall of the coil pipe, and the size of the first mounting ring and the tail mounting ring is matched with the inner diameter of the coil pipe.

[0011] Preferably, the number of the shunt rings is multiple, and the multiple shunt rings are uniformly distributed on the outer side of the steel cable, and the center sleeve is hollow, so as to be fixedly installed on the outer surface of the steel cable.

[0012] Preferably, the spiral piece comprises a small-diameter end and a large-diameter end, the small-diameter end of the spiral piece faces the water outlet head side, and the outer edge distance of the spiral piece gradually increases from the small-diameter end to the large-diameter end.

[0013] Preferably, the spiral belt is arranged in a spiral shape on the inner wall of the end of the tail mounting ring away from the coil pipe, and the end of the spiral belt faces the center side of the mounting seat, so that the cooling water flowing through the tail mounting ring can flow to the center side of the mounting seat under the guidance of the spiral belt.

[0014] Compared with the prior art, the utility model provides a heat exchange coil pipe assembly for a closed cooling tower, which has the following beneficial effects:

[0015] 1. The heat exchange coil assembly for the closed cooling tower, by setting the shunt assembly, when the cooling water flows into the coil, by the setting of the spiral piece on the center sleeve, the cooling water is guided by the gradually increasing outer edge from the small diameter end to the large diameter end of the spiral piece, the cooling water at the center of the coil has a flow trend towards the inner surface side of the coil, so as to promote the cooling water in the coil to generate heat interaction from inside to outside while flowing, so as to improve the heat exchange efficiency of the device to the cooling water and ensure the cooling operation effect of the whole closed cooling tower.

[0016] 2. The heat exchange coil assembly for the closed cooling tower, by setting the spiral belt in the tail mounting ring, the cooling water flowing through the tail mounting ring can flow to the center side of the mounting seat under the guidance of the spiral belt, and due to the circumferential array distribution of the three coils, the cooling water flowing out of the three coils can be better mixed in the mounting seat, so that the temperature mixing uniformity can be maintained when it is shunted again, thereby improving the cooling heat exchange efficiency of the device. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the partial sectional structure of the utility model;

[0019] Figure 3 It is a schematic diagram of the shunt assembly structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the shunt ring structure of the utility model;

[0021] Figure 5 It is a schematic diagram of the tail mounting ring structure of the utility model.

[0022] In the drawing: 1, water inlet head; 2, water inlet pipe; 3, coil; 4, water outlet head; 5, water outlet pipe; 6, shunt assembly; 61, mounting seat; 62, first mounting ring; 63, steel cable; 64, tail mounting ring; 65, connecting piece; 66, shunt ring; 67, center sleeve; 68, spiral piece; 69, force relief groove; 641, spiral belt. DETAILED DESCRIPTION

[0023] As Figures 1-5The utility model provides a technical scheme: a heat exchange coil assembly for closed cooling tower, including water inlet head 1, the side fixed mounting of water inlet head 1 has water inlet pipe 2, the side wall fixed mounting of water inlet head 1 has coil pipe 3, the end fixed mounting of coil pipe 3 away from water inlet head 1 has water outlet head 4, the side wall fixed mounting of water outlet head 4 has water outlet pipe 5, the inside of coil pipe 3 is provided with shunt subassembly 6, and shunt subassembly 6 includes mounting seat 61, first mounting ring 62, steel cable 63, tail mounting ring 64, center sleeve 67, connecting sheet 65, shunt ring 66, helical sheet 68 and unloading groove 69 and spiral belt 641.

[0024] In an embodiment of the utility model, mounting seat 61 fixed mounting is in the end of coil pipe 3, and the end outer wall of coil pipe 3 is fixedly installed with first mounting ring 62, and the center of first mounting ring 62 is fixedly connected with steel cable 63, and the outer surface of the end of steel cable 63 away from first mounting ring 62 is fixedly installed with tail mounting ring 64, and the outer surface of center sleeve 67 is fixedly installed with connecting sheet 65, and the outer surface of connecting sheet 65 is fixedly installed with shunt ring 66, and the arc outer wall of center sleeve 67 is fixedly installed with helical sheet 68, and unloading groove 69 is set up on the inner wall of helical sheet 68, and the end inner wall of tail mounting ring 64 is fixedly installed with spiral belt 641.

[0025] Further, the number of coil pipe 3 and mounting seat 61 is multiple groups, and the two ends of mounting seat 61 are fixedly connected with the ends of two groups of coil pipe 3 respectively, so that multiple groups of coil pipe 3 and multiple groups of mounting seat 61 are connected in series to form a spiral structure, so as to increase the contact area of coil pipe 3 in limited space, increase the heat exchange area, specifically, the number of each group of coil pipe 3 is three, and the coil pipe 3 is spirally arranged, so that the cooling water entering the closed cooling tower can be divided into three streams, so as to effectively increase the heat exchange efficiency of the cooling water in the closed cooling tower through the outer surface area of three coil pipes 3, so as to ensure the heat exchange cooling effect of the device, meanwhile, the ends of three coil pipes 3 are connected with the inside of water inlet head 1 in penetration, and the inside of mounting seat 61 is hollow, so that the cooling water in three coil pipes 3 can flow into mounting seat 61 for mixing, and then divided into three streams and enter three coil pipes 3 respectively, so that the setting of mounting seat 61 can make the cooling water in coil pipe 3 mix after dispersion cooling and then be divided again, so as to improve the heat dissipation efficiency of the cooling water in the closed cooling tower.

[0026] Meanwhile, the head mounting ring 62 and the tail mounting ring 64 are arranged at two ends of one coil pipe 3 respectively, and the head mounting ring 62 and the tail mounting ring 64 are fixedly mounted on the inner wall of the coil pipe 3, in addition, the size of the head mounting ring 62 and the tail mounting ring 64 is matched with the inner diameter of the coil pipe 3, specifically, the steel cable 63 is arranged at the center of the head mounting ring 62 and the tail mounting ring 64, so that the impact force of the cooling water flow on the shunt assembly 6 in the coil pipe 3 is minimized, further, a plurality of groups of the shunt rings 66 are evenly distributed on the outer side of the steel cable 63, in addition, the center sleeve 67 is hollow inside, so as to be fixedly mounted on the outer surface of the steel cable 63, meanwhile, the number of the connecting pieces 65 is three groups, and the three groups of connecting pieces 65 are evenly distributed in a circumferential array between the center sleeve 67 and the shunt ring 66, so as to maintain the stability of the center sleeve 67 and the shunt ring 66 in the coil pipe 3 and resist the impact force of the water flow.

[0027] In addition, the spiral piece 68 includes a small-diameter end and a large-diameter end, the small-diameter end of the spiral piece 68 faces the water outlet head 4 side, and the outer edge distance of the spiral piece 68 gradually increases from the small-diameter end to the large-diameter end, meanwhile, the number of the force relief grooves 69 is a plurality of groups, and the plurality of groups of force relief grooves 69 are evenly distributed on the inner surface of the spiral piece 68, so that the cooling water can be guided by the spiral piece 68 to move towards the inner surface side of the coil pipe 3 when flowing through the spiral piece 68, but will not cause excessive impact on the spiral piece 68, thereby affecting the use safety of the shunt assembly 6.

[0028] In the embodiment of the utility model, the spiral belt 641 is arranged in a spiral shape on the inner wall of the tail mounting ring 64 away from the coil pipe 3, and the end of the spiral belt 641 faces the center side of the mounting seat 61, so that the cooling water flowing through the tail mounting ring 64 can flow to the center side of the mounting seat 61 under the guidance of the spiral belt 641, and because the three coil pipes 3 are distributed in a circumferential array, the cooling water flowing out of the three coil pipes 3 can be better mixed inside the mounting seat 61, so that the temperature mixing uniformity can be maintained when the cooling water is shunted again, thereby improving the cooling and heat exchange efficiency of the device.

[0029] In the utility model, when using, install the device in the inside of the closed cooling tower, and connect water inlet pipe 2 and water outlet pipe 5 with the pipeline of the equipment needing circulating cooling respectively, and the equipment needing circulating cooling is connected with circulating pump through the pipeline, under the drive of circulating pump, cooling water is inputted from water inlet pipe 2 into water inlet head 1, thereby through the shunt of water inlet pipe 2 and then into three coil pipes 3, through the shunt of three coil pipes 3, the contact area of cooling water in the closed cooling tower is made larger, thereby improving the heat exchange efficiency of cooling water, at the same time, through the shunt assembly 6, when cooling water flows into coil pipe 3, through the setting of spiral blade 68 on central sleeve 67, cooling water is guided by the gradually increasing outer edge from small diameter end to large diameter end of spiral blade 68, and the cooling water at the center of coil pipe 3 has the flow trend towards the inner surface side of coil pipe 3, thereby promoting the cooling water in coil pipe 3 to produce heat interaction from inside to outside while flowing, to improve the heat exchange efficiency of the device to cooling water, and ensure the cooling operation effect of the whole closed cooling tower.

[0030] The above has made detailed description to the utility model, but on the basis of the utility model, some modifications or improvements can be made, which is obvious to the person skilled in the art. Therefore, the modification or improvement without departing from the spirit of the utility model is within the protection scope of the utility model.

Claims

1. A heat exchange coil assembly for a closed cooling tower, comprising a water inlet head (1), a water inlet pipe (2) is fixedly installed on the side of the water inlet head (1), a coil (3) is fixedly installed on the side wall of the water inlet head (1), a water outlet head (4) is fixedly installed on the end of the coil (3) away from the water inlet head (1), a water outlet pipe (5) is fixedly installed on the side wall of the water outlet head (4), characterized in that: The inner part of the coil pipe (3) is provided with a shunt assembly (6); The shunt assembly (6) includes a mounting seat (61), which is fixedly installed on the end of the coil pipe (3). A first mounting ring (62) is fixedly installed on the outer wall of one end of the coil pipe (3). A steel cable (63) is fixedly connected to the center of the first mounting ring (62). A tail mounting ring (64) is fixedly installed on the outer surface of the end of the steel cable (63) away from the first mounting ring (62). A center sleeve (67) is fixedly installed on the outer surface of the steel cable (63). A connecting piece (65) is fixedly installed on the outer surface of the center sleeve (67). A shunt ring (66) is fixedly installed on the outer surface of the connecting piece (65). A helical piece (68) is fixedly installed on the arc-shaped outer wall of the center sleeve (67). A force relief groove (69) is formed in the inner wall of the helical piece (68). A helical belt (641) is fixedly installed on the end inner wall of the tail mounting ring (64).

2. A heat exchange coil assembly for a closed cooling tower as defined in claim 1 wherein: The number of the coil pipes (3) and the mounting seats (61) is multiple, and the two ends of the mounting seat (61) are fixedly connected with the ends of the two groups of coil pipes (3).

3. A heat exchange coil assembly for a closed cooling tower as defined in claim 2 wherein: The number of the coil pipes (3) in each group is three, and the coil pipes (3) are all arranged in a spiral shape, so that the cooling water entering the closed cooling tower can be divided into three streams.

4. A heat exchange coil assembly for a closed cooling tower as defined in claim 1 wherein: The first mounting ring (62) and the tail mounting ring (64) are arranged at the two ends of one coil pipe (3), and the first mounting ring (62) and the tail mounting ring (64) are fixedly installed on the inner wall of the coil pipe (3). The size of the first mounting ring (62) and the tail mounting ring (64) is matched with the inner diameter of the coil pipe (3).

5. A heat exchange coil assembly for a closed cooling tower according to claim 1 wherein: The number of the shunt rings (66) is multiple, and the multiple shunt rings (66) are uniformly distributed on the outer side of the steel cable (63). The center sleeve (67) is hollow.

6. A heat exchange coil assembly for a closed cooling tower according to claim 1 wherein: The helical piece (68) includes a small-diameter end and a large-diameter end. The small-diameter end of the helical piece (68) faces the water outlet head (4) side, and the outer edge distance of the helical piece (68) gradually increases from the small-diameter end to the large-diameter end.

7. A heat exchange coil assembly for a closed cooling tower according to claim 1 wherein: The helical belt (641) is arranged in a spiral shape on the inner wall of the end of the tail mounting ring (64) away from the coil pipe (3), and the end of the helical belt (641) faces the center side of the mounting seat (61).

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