CN216677179U - Backwashing system of circulating water cooler - Google Patents

Abstract

The utility model discloses a backwashing system of a circulating water cooler, which comprises a circulating water cooler main body and a circulating water tank, wherein a water inlet of the circulating water cooler main body is connected with a water feeding pipeline, a water outlet of the circulating water cooler main body is connected with a water return pipeline, and an upper filter plate and a lower filter plate are fixedly connected to the inner wall surface of the circulating water tank from top to bottom in sequence. This circulating water cooler back flush system is through having increased the auxiliary line between original water supply line and return water pipeline newly, make the auxiliary line be connected to in the circulating water system, and use through the cooperation between first check valve, second check valve and the third check valve, utilize the effect of backward flow to take away the impurity that adsorbs on the heat exchange tube pipe wall, in order to reach the purpose that improves the heat transfer effect, and filter the impurity that contains in the circulating water through improvement circulating water tank, this circulating water cooler back flush system has ensured circulating water cooler operating stability, the heat transfer effect is good, the practicality is high.

Description

Backwashing system of circulating water cooler

The technical field is as follows:

the utility model relates to the technical field of circulating water coolers, in particular to a backwashing system of a circulating water cooler.

Background art:

the circulating water cooler is mainly used for large-scale methanol water cooling for large-scale methanol gasification, purification and methanol synthesis. At present, in a large-scale water cooler device, only a circulating water return pipeline is arranged, and a part of the circulating water return pipeline is provided with a circulating water upper water filter.

And northern area leads to in the circulating water can smuggleing impurity such as some sands because the sand blown by the wind is big, if these impurity clearance in circulating water installation is untimely, probably can lead to circulating water cooler's entry heat exchanger tube sheet department to form and pile up to influence heat transfer effect. If the heat transfer effect descends, just need to park each device and overhaul the impurity of clearance heat exchanger entrance, extremely unfavorable to the operation of system. In view of this, a back-flushing system of a circulating water cooler is designed.

The utility model has the following contents:

the utility model aims to provide a back flushing system of a circulating water cooler, which aims to solve the problems that the existing circulating water cooler is easy to block due to entrained impurities and has defects in operation in the background technology.

The utility model is implemented by the following technical scheme: a back flushing system of a circulating water cooler comprises a circulating water cooler main body and a circulating water tank, wherein a water inlet of the circulating water cooler main body is connected with a water feeding pipeline, a water outlet of the circulating water cooler main body is connected with a water return pipeline, the circulating water tank inner wall face top-down fixedly connected with goes up filter plate and lower filter plate in proper order, circulating water tank one side is equipped with circulating pump and delivery pump through the bolt fastening, the output and the water supply line of delivery pump are put through mutually, the input of delivery pump is put through in circulating water tank lower extreme inner chamber through the pipeline, circulating water tank opposite side fixedly connected with collection sand box, the intercommunication mouth has been seted up to collection sand box near circulating water tank one side, it has a perfect understanding in the lower extreme that circulating water tank one side was kept away from to collection sand box and has been seted up the clearance mouth, fixedly connected with linker between the side of collection sand box top and circulating water tank upper end, be connected with auxiliary line between water supply line and the return water pipeline.

Preferably, the upper filter plate and the lower filter plate are obliquely arranged in accordance with a rule, the upper filter plate and the lower filter plate are both of a mesh structure, and the communication port is positioned between the upper filter plate and the lower filter plate.

Preferably, the input end of the circulating pump is communicated with the water return pipeline, the output end of the circulating pump is connected with an output pipe, and the output pipe is connected to the inner cavity of the circulating water tank between the upper filter plate and the lower filter plate.

Preferably, the bottom surface in the sand collection box is inclined, and the cleaning port is connected with a sealing plug through a threaded structure.

Preferably, the auxiliary pipeline, the water supply pipeline and the water return pipeline are respectively provided with a first check valve, a second check valve and a third check valve.

The utility model has the advantages that: this circulating water cooler back flush system is through having increased the auxiliary line between original water supply line and return water pipeline newly, make the auxiliary line be connected to in the circulating water system, and use through the cooperation between first check valve, second check valve and the third check valve, utilize the effect of backward flow to take away the impurity that adsorbs on the heat exchange tube pipe wall, in order to reach the purpose that improves the heat transfer effect, and filter the impurity that contains in the circulating water through improvement circulating water tank, this circulating water cooler back flush system has ensured circulating water cooler operating stability, the heat transfer effect is good, the practicality is high.

Description of the drawings:

in order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic diagram of a circulating water operation structure of a backwashing system of a circulating water cooler according to the present invention;

FIG. 2 is a schematic diagram of an auxiliary pipeline of a backwashing system of a circulating water cooler according to the present invention;

FIG. 3 is a partial front sectional view of a backwash system of a circulating water cooler according to the present invention.

In the figure: 1. the circulating water cooler comprises a circulating water cooler main body, 2, a circulating water tank, 3, a water feeding pipeline, 4, a water return pipeline, 5, an upper filter plate, 6, a lower filter plate, 7, a circulating pump, 8, a transport pump, 9, a sand collecting box, 10, an output pipe, 11, a communication port, 12, a cleaning port, 13, a sealing plug, 14, a communication device, 15, an auxiliary pipeline, 16, a first check valve, 17, a second check valve, 18 and a third check valve.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a back flushing system of a circulating water cooler comprises a circulating water cooler main body 1 and a circulating water tank 2, wherein a water inlet of the circulating water cooler main body 1 is connected with a water feeding pipeline 3, a water discharging port of the circulating water cooler main body 1 is connected with a water returning pipeline 4, an upper filter plate 5 and a lower filter plate 6 are fixedly connected to the inner wall surface of the circulating water tank 2 from top to bottom in sequence, one side of the circulating water tank 2 is fixedly provided with a circulating pump 7 and a transport pump 8 through bolts, the output end of the transport pump 8 is communicated with the water feeding pipeline 3, the input end of the transport pump 8 is communicated with the inner cavity at the lower end of the circulating water tank 2 through a pipeline, the input end of the circulating pump 7 is communicated with the water returning pipeline 4, the output end of the circulating pump 7 is connected with an output pipe 10, the output pipe 10 is connected to the inner cavity of the circulating water tank 2 between the upper filter plate 5 and the lower filter plate 6, and water in the water returning pipeline 4 is conveyed into the circulating water tank 2 through the circulating pump 7, the other side of the circulating water tank 2 is fixedly connected with a sand collection box 9, one side of the sand collection box 9 close to the circulating water tank 2 is provided with a communication port 11, the communication port 11 connects the sand collection box 9 with the inside of the circulating water tank 2, the upper filter plate 5 and the lower filter plate 6 are arranged in an inclined manner in the same rule, the upper filter plate 5 and the lower filter plate 6 are both in a net structure, the communication port 11 is positioned between the upper filter plate 5 and the lower filter plate 6, so that sand impurities between the upper filter plate 5 and the lower filter plate 6 are conveniently discharged into the sand collection box 9 through the communication port 11, a cleaning port 12 is arranged in the lower end of one side of the sand collection box 9 far away from the circulating water tank 2 in a penetrating manner, the inner bottom surface of the sand collection box 9 is arranged in an inclined manner, and the cleaning port 12 is connected with a sealing plug 13 through a threaded structure, so that the sand impurities in the sand collection box 9 can be cleaned through the cleaning port 12, the sealing plug 13 has a sealing effect on the cleaning port 12, a communicator 14 is fixedly connected between the top of the sand collection box 9 and the side of the upper end of the circulating water tank 2, the communicating vessel 14 is made of transparent material, when the water capacity in the sand-collecting box 9 is excessive, the water in the sand-collecting box 9 can be conveyed into the circulating water tank 2 through the communicating vessel 14, the auxiliary pipeline 15 is connected between the water-feeding pipeline 3 and the water-returning pipeline 4, the auxiliary pipeline 15, the water-feeding pipeline 3 and the water-returning pipeline 4 are respectively provided with a first one-way valve 16, a second one-way valve 17 and a third one-way valve 18, the circulation of the water in the auxiliary pipeline 15, the water-feeding pipeline 3 and the water-returning pipeline 4 is convenient to control through the first one-way valve 16, the second one-way valve 17 and the third one-way valve 18, impurities adsorbed on the wall of the heat exchange tube can be taken out through the reverse flow of the water in the auxiliary pipeline 15, so as to achieve the purpose of improving the heat exchange effect, wherein the circulating water tank 2 is provided with corresponding water inlet and outlet, the transportation of cooling water can be realized by additionally arranging corresponding pipelines and water pumps, and will not be described in detail herein.

The working principle is as follows: when the backwashing system of the circulating water cooler is used, firstly, the first one-way valve 16 is closed, the second one-way valve 17 and the third one-way valve 18 are opened, water is conveyed into the circulating water cooler main body 1 through the transport pump 8 and the water supply pipeline 3, water discharged from the circulating water cooler main body 1 is conveyed into the circulating water tank 2 through the water return pipeline 4, the circulating pump 7 and the output pipe 10, water discharged from the output pipe 10 enters an inner cavity of the circulating water tank 2 between the upper filter plate 5 and the lower filter plate 6, the upper filter plate 5 and the lower filter plate 6 have a filtering function, sand impurities and part of circulating water are conveyed into the sand collecting box 9 through the communicating port 11, when the heat exchange effect of the circulating water cooler main body 1 is poor, the second one-way valve 17 and the third one-way valve 18 can be closed, the first one-way valve 16 is opened, impurities adsorbed on the wall of the heat exchange pipe are taken out by the reverse flow function of the water in the auxiliary pipeline 15, and then the water in the auxiliary pipeline 15 is conveyed into the circulating water tank 2 through the water return pipeline 4 so as to achieve the purpose of improving the heat exchange effect, and workers can clean impurities in the sand collection box 9 through the cleaning port 12, which is the using process of the backwashing system of the circulating water cooler.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (5)

1. The utility model provides a circulating water cooler back flush system, includes circulating water cooler main part (1) and circulating water tank (2), its characterized in that: the water inlet of the circulating water cooler main body (1) is connected with a water feeding pipeline (3), a water outlet of the circulating water cooler main body (1) is connected with a water return pipeline (4), an upper filter plate (5) and a lower filter plate (6) are fixedly connected with the inner wall surface of the circulating water tank (2) from top to bottom in sequence, one side of the circulating water tank (2) is fixedly provided with a circulating pump (7) and a conveying pump (8) through bolts, the output end of the conveying pump (8) is communicated with the water feeding pipeline (3), the input end of the conveying pump (8) is communicated with the inner cavity at the lower end of the circulating water tank (2) through a pipeline, the other side of the circulating water tank (2) is fixedly connected with a sand collecting box (9), one side of the sand collecting box (9) close to the circulating water tank (2) is provided with a communicating port (11), a lower end, far away from one side of the circulating water tank (2), of the sand collecting box (9) is internally communicated with a cleaning port (12), and a communicating vessel (14) is fixedly connected between the top of the sand collecting box (9) and the side surface at the upper end of the circulating water tank (2) An auxiliary pipeline (15) is connected between the water feeding pipeline (3) and the water return pipeline (4).

2. The circulating water cooler backwashing system of claim 1, wherein: the upper filter plate (5) and the lower filter plate (6) are arranged in an inclined manner on the same rule, the upper filter plate (5) and the lower filter plate (6) are both of a net-shaped structure, and the communicating port (11) is positioned between the upper filter plate (5) and the lower filter plate (6).

3. The circulating water cooler backwashing system of claim 1, wherein: the input end of the circulating pump (7) is communicated with the water return pipeline (4), the output end of the circulating pump (7) is connected with an output pipe (10), and the output pipe (10) is connected to the inner cavity of the circulating water tank (2) between the upper filter plate (5) and the lower filter plate (6).

4. The circulating water cooler backwashing system of claim 1, wherein: the inner bottom surface of the sand collection box (9) is inclined, and the cleaning opening (12) is connected with a sealing plug (13) through a threaded structure.

5. The circulating water cooler backwashing system of claim 1, wherein: and a first check valve (16), a second check valve (17) and a third check valve (18) are respectively arranged on the auxiliary pipeline (15), the water feeding pipeline (3) and the water return pipeline (4).

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