CN211503751U

CN211503751U - Heat exchanger of cooling tower

Info

Publication number: CN211503751U
Application number: CN201922100462.1U
Authority: CN
Inventors: 叶银龙
Original assignee: Zhejiang Wuye Environmental Protection Technology Co ltd
Current assignee: Zhejiang Wuye Environmental Protection Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-09-15
Anticipated expiration: 2029-11-28

Abstract

The utility model discloses a cooling tower heat exchanger, including support and a plurality of heat transfer unit, every heat transfer unit includes fixed plate and coil pipe, the coil pipe is fixed on the fixed plate, and the straight tube of coil pipe is fixed at fixed plate two sides dislocation, the coil pipe is provided with inlet and liquid outlet, the inlet is connected to the feed liquor house steward, the liquid outlet is connected to liquid house steward, and be provided with the manometer between liquid outlet and the liquid house steward, all be provided with the valve between liquid outlet and the liquid house steward, the coil pipe is fixed on the fixed plate, easy to assemble dismantlement, can judge whether the coil pipe blocks up through the manometer, close two valves of trouble heat transfer unit, trouble heat transfer unit can be walked around to the coolant.

Description

Heat exchanger of cooling tower

Technical Field

The utility model relates to an equipment field for the cooling tower, in particular to cooling tower heat exchanger.

Background

The cooling tower carries out the heat exchange with cooling medium through the coil pipe and water, the air of heat exchanger etc. and leaves the heat exchanger after accomplishing the heat exchange cooling, and cooling medium cools off the heat source again, reentrant coil pipe after the intensification, so circulation, current heat exchanger coil pipe, with straight tube both ends with return bend dislocation continuous connection, a straight tube mouth feed liquor, another straight tube mouth goes out the liquid, in the use, the coil pipe can take place to plug up, trouble such as damage, just need dismantle whole coil pipe during the maintenance.

Chinese patent application No. CN201220225011.6 discloses a dismantlement formula coil pipe heat exchanger of closed cooling tower, with the heat transfer part split of heat exchanger into several heat transfer units, when breaking down, the maintenance, change corresponding trouble heat transfer unit, the coil pipe is arranged side by side, occupation space is big, the coil pipe is longer, and is unstable, need take out during the coil pipe dismouting, insert the backplate, it is inconvenient, lack the means of judging whether heat transfer unit blocks up, and a heat transfer unit trouble is dismantled the back, whole heat exchanger also can't work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a cooling tower heat exchanger, it is big to solve to account for the space, and is inconvenient during the coil pipe dismouting, lacks the means of judging whether heat transfer unit blocks up to a heat transfer unit trouble is dismantled the back, and whole heat exchanger also can't the problem of work all.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cooling tower heat exchanger, includes support and heat transfer unit, heat transfer unit has a plurality of, and every heat transfer unit includes fixed plate and coil pipe, the coil pipe is provided with inlet and liquid outlet, the inlet is provided with feed liquor house steward rather than fixed connection, the liquid outlet is provided with liquid house steward rather than fixed connection, its characterized in that, the fixed plate two sides is provided with the locating piece, the locating piece is in fixed plate two sides dislocation set, coil pipe and locating piece fixed connection, be provided with the manometer between liquid outlet and the liquid house steward, between inlet and the feed liquor house steward the liquid outlet with go out and all be provided with the valve between the liquid house steward.

Adopt above-mentioned technical scheme, become several heat transfer units with the heat transfer part split of heat exchanger, every heat transfer unit and feed liquor house steward and play liquid house steward are connected, only need dismantle the heat transfer unit of trouble during the trouble, the locating piece is at fixed plate two sides dislocation set, two straight tubes of coil pipe are also misplaced from top to bottom, the return bend of two end connection is the slope form, reduce the coil pipe width, save space, can judge through the manometer whether the coil pipe takes place to block up corresponding heat transfer unit, when single heat transfer unit trouble, stop the cooling tower, close two valves that correspond, after dismantling trouble heat transfer unit, the heat exchanger can continue to work.

Preferably, the coil pipe comprises a straight pipe and an elbow pipe, and the distance between two pipe orifices of the elbow pipe is twice of the pipe diameter of the straight pipe.

Adopt above-mentioned technical scheme, two straight tubes are connected to the return bend, and two orificial distance minimums of return bend are the twice of straight tube pipe diameter, select for use the minimum, reduce the interval of straight tube, practice thrift the space.

Preferably, the support is provided with a limiting strip corresponding to each heat exchange unit, and the limiting strip is provided with a groove and is fixedly connected with the support.

Adopt above-mentioned technical scheme, during the dismantlement, during the locating plate bottom inserts spacing recess, dismantle the heat dissipation unit liquid outlet and go out between the liquid house steward, the connection between inlet and the feed liquor house steward, just can pull out the locating plate from the recess, during the installation, insert the locating plate bottom in spacing recess, fixed connection liquid outlet and play liquid house steward, feed liquor inlet and feed liquor house steward, the coil pipe is fixed at the locating plate, accomplishes thereupon and dismantles and the installation, and is simple and convenient.

Preferably, the upper end of the fixing plate is provided with a handle.

By adopting the technical scheme, the pulling handle can be grasped, the positioning plate and the coil pipe fixed on the positioning plate can be pulled out, and the disassembly is more convenient.

Preferably, the straight pipe and the bent pipe are fixedly connected through a flange.

By adopting the technical scheme, the straight pipe and the bent pipe can be detached, the straight pipe or the bent pipe with single fault can be replaced, and the whole coil pipe does not need to be replaced.

Preferably, the flange is further provided with a sealing ring.

By adopting the technical scheme, the sealing performance of the pipeline joint is improved, and liquid leakage is prevented.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic structural diagram of a single heat exchange unit of the embodiment;

FIG. 3 is a front view of the embodiment;

fig. 4 is a side sectional view of the embodiment.

Reference numerals: 1. a support; 11. a limiting strip; 111. a groove; 2, a heat exchange unit; 21. a fixing plate; 211. positioning blocks; 212. pulling a handle; 22. a coil pipe; 221. a liquid inlet; 222. a liquid outlet; 223. a straight pipe; 224. bending the pipe; 3. a liquid inlet header pipe; 4. a liquid outlet main pipe; 5. a pressure gauge; 6. and (4) a valve.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1 and 2, in the present embodiment, the heat exchange unit 2 is set to be four, the number of the straight pipes 223 of each coil 22 is set to be 9, one surface is 5, the other surface is 4, the pipe diameter is set to be 20 mm, one side surface of the fixing plate 21 is provided with 4 straight pipes 223, the other corresponding side surface is provided with 5 straight pipes 223, the straight pipes 223 are horizontally fixed on the fixing plate 21, the straight pipes 223 are inserted into two fixing blocks 211, the fixing plate 211 is in an omega shape, both ends are provided with screw holes, screws at both ends of the fixing blocks 211 are tightened, the straight pipes 223 are fixed, pipe orifices at both ends of all the straight pipes 223 on both surfaces of the fixing plate 21 are flush, one surface of the fixing plate provided with 5 straight pipes 223 is reserved on the left side pipe orifice of the first row of straight pipe 223 as a liquid inlet 221, pipe orifices on the right side of the fifth row of straight pipe, the cooling medium enters the coil 22 from the inlet 221 and exits the coil 22 from the outlet 222.

As shown in fig. 3 and 4, the support 1 is a square frame, four equidistant spacing strips 11 are fixedly welded below, each spacing strip 11 is provided with a groove 111, a certain length is reserved at the bottom end of the fixing plate 21 and inserted into the groove 111, liquid inlets 221 of the four heat exchange units 2 are connected with the valve 6 and then are connected with the liquid inlet header pipe 3 through flanges, liquid outlets 222 are connected with the pressure gauge 5 and the valve 6 and then are connected with the liquid outlet header pipe 4 through flanges, the liquid inlet header pipe 3 is welded at the upper end of one side of the outer wall of the support 1, and the liquid outlet header pipe 4 is welded at the lower end of the support 1 corresponding.

When the device is used, a cooling medium enters from an inlet of a liquid inlet header pipe 3 and respectively enters into coil pipes 22 of four heat exchange units 2 from a liquid inlet 221, spray water, a fan and the like are arranged in a cooling tower, the coil pipes 22 exchange heat with water, air and the like, the cooling medium leaves a heat exchanger after heat exchange and temperature reduction is completed, a heat source is cooled again, and enters into the coil pipes 22 after temperature rise, the circulation is carried out, fixing blocks 211 are arranged on two sides of a fixing plate 21 in a staggered mode, straight pipes 223 on two sides of the coil pipes 22 are also staggered up and down, bent pipes 224 connected with two ends are inclined, the distance between two pipe orifices of each bent pipe 224 is twice the pipe diameter of each straight pipe 223, the distance between two pipe orifices of each bent pipe 224 is the minimum value, the width of each coil pipe 22 is reduced, the volume of the heat exchanger is reduced, space is saved, a pressure gauge, the pull handle 212 is held, the heat exchange unit 2 with a fault is lifted from the upper side of the support 1 for maintenance, after the valves 6 at the two ends of the heat exchange unit 2 with the fault are closed, a cooling medium cannot leak from the liquid inlet main pipe 3 and the liquid outlet main pipe 4, the three remaining heat exchange units 2 can continue to work, the coil 22 is fixed on the fixing plate 21, the disassembly is convenient, the leakage detection and the maintenance are also convenient, the straight pipe 223 and the bent pipe 224 of the coil 22 are in flange connection, and the single straight pipe 223 or the single bent pipe 224 can be disassembled and.

Claims

1. A cooling tower heat exchanger comprises a bracket (1) and a heat exchange unit (2), the number of the heat exchange units (2) is several, each heat exchange unit (2) comprises a fixing plate (21) and a coil pipe (22), the coil pipe (22) is provided with a liquid inlet (221) and a liquid outlet (222), the liquid inlet (221) is provided with a liquid inlet header pipe (3) fixedly connected with the liquid inlet header pipe, the liquid outlet (222) is provided with a liquid outlet header pipe (4) which is fixedly connected with the liquid outlet header pipe, it is characterized in that positioning blocks (211) are arranged on two sides of the fixing plate (21), the positioning blocks (211) are arranged on two sides of the fixing plate (21) in a staggered manner, the coil pipe (22) is fixedly connected with the positioning blocks (211), a pressure gauge (5) is arranged between the liquid outlet (222) and the liquid outlet header pipe (4), valves (6) are arranged between the liquid inlet (221) and the liquid inlet header pipe (3) and between the liquid outlet (222) and the liquid outlet header pipe (4).

2. A cooling tower heat exchanger according to claim 1, characterised in that the coil (22) comprises a straight tube (223) and an elbow tube (224), and the distance between the two ends of the elbow tube (224) is twice the diameter of the straight tube (223).

3. A cooling tower heat exchanger according to claim 1, characterized in that the bracket (1) is provided with a limiting strip (11) corresponding to each heat exchanging unit (2), and the limiting strip (11) is provided with a groove (111) and is fixedly connected with the bracket (1).

4. A cooling tower heat exchanger according to claim 1 wherein the fixing plate (21) is provided at its upper end with a handle (212).

5. A cooling tower heat exchanger according to claim 2, characterised in that the straight pipe (223) and the bent pipe (224) are fixedly connected by flanges.

6. The cooling tower heat exchanger according to claim 5, wherein the flange is further provided with a sealing ring.