CN219015027U

CN219015027U - Deicing device for water cooling tower in winter

Info

Publication number: CN219015027U
Application number: CN202223413489.4U
Authority: CN
Inventors: 刘立国; 于鹏; 王倩; 张铭; 姚连仓; 李志刚; 邓春洋; 王婷婷; 白冬岩; 曹国富; 王利; 王朝祥; 张成伟; 孙守凯; 高军伟; 李旭; 姜起鹏
Original assignee: Tangshan Sanyou Chlor Alkali Co ltd
Current assignee: Tangshan Sanyou Chlor Alkali Co ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-05-12
Anticipated expiration: 2032-12-20

Abstract

The utility model provides a deicing device for a cooling tower in winter, and relates to the technical field of cooling towers. The device comprises a spray head, a deicing pipeline, a first valve and a filter, wherein the spray head comprises a main pipe and a plurality of water spraying short pipes, two ends of the main pipe are of closed structures, one end of each water spraying short pipe is connected to the side wall of the main pipe, the other end of each water spraying short pipe is horizontally aligned to the lower part of a filler of a cooling tower, and the inner diameter of one end of each water spraying short pipe connected with the main pipe is larger than the inner diameter of the other end of each water spraying short pipe; one end of the deicing pipeline is connected with the main pipe, the other end of the deicing pipeline is connected with the circulating backwater main pipe, and the deicing pipeline is respectively provided with a first valve and a filter. The device utilizes the characteristics of higher circulating water pressure and better water quality in the cooling tower, and directly adopts the circulating water to deicing. Not only solves the problem of freezing in the cooling tower, but also can reutilize the circulating water, saves water resources and avoids the consumption of electric energy.

Description

Deicing device for water cooling tower in winter

Technical Field

The utility model relates to the technical field of water cooling towers, in particular to a deicing device for a winter water cooling tower.

Background

The water cooling tower is a structure for cooling water, and is generally common in factories such as power plants, chemical factories and cement factories, which need a large amount of water temperature control. The height is calculated according to the heat exchange amount, and is a structure for saving water and recycling water. The water cooling tower has smaller using load and smaller water quantity in winter, so that the lower part of the water cooling tower filler is frozen for a long time, the heavy icicle is easy to cause the water cooling tower filler to fall, and potential safety hazards exist. The existing cold water tower is required to be deiced in winter, the ice cone is knocked by a tool manually, the danger coefficient is high, and the labor intensity is high.

In the patent CN212962902U, a spraying mechanism is adopted to spray hot water to the louver to achieve the effect of preventing the louver from icing. But the device solves the problem that the shutter of the cooling tower is frozen, and the hot water is required to be used for deicing, so that the device is more complicated, and the consumption of electric energy is increased.

Disclosure of Invention

In view of the above, the present utility model is directed to a deicing device for a cooling tower in winter, so as to solve the above-mentioned problems.

Based on the above object, the present utility model provides a deicing device for a winter cooling tower, comprising: the device comprises a spray head, a deicing pipeline, a first valve and a filter, wherein a circulating backwater main pipe is arranged in a cooling tower; the spray head comprises a main pipe and a plurality of water spraying short pipes, two ends of the main pipe are of closed structures, one end of each water spraying short pipe is connected to the side wall of the main pipe, the other end of each water spraying short pipe is horizontally aligned below the filler of the water cooling tower, and the inner diameter of one end of each water spraying short pipe connected with the main pipe is larger than that of the other end of each water spraying short pipe; one end of the deicing pipeline is connected with the main pipe, the other end of the deicing pipeline is connected with the circulating backwater main pipe, and the deicing pipeline is respectively provided with a first valve and a filter.

Compared with the prior art, the utility model has the beneficial effects that: the device utilizes the characteristics of higher circulating water pressure and better water quality in the cooling tower, and directly adopts the circulating water to deicing. The inner diameter of the deicing pipeline is designed to be smaller than the inner diameter of the circulating water return header pipe, and the circulating water can be introduced into the spray head without a water pump by combining the characteristic that the circulating water has higher water pressure. The port of the water spray short pipe on the spray head is smaller, so that the water outlet pressure is further increased, and the ice cone is ensured to be impacted by enough impact force. The device not only solves the problem of freezing in the cooling tower, but also can reutilize the circulating water, saves water resources and avoids electric energy consumption.

Further, the device also comprises an emptying pipeline, the emptying pipeline is connected with the deicing pipeline, and a second valve is arranged on the emptying pipeline; when the device is stopped, the water in the deicing pipeline is completely discharged through the emptying pipeline, so that the icing is prevented.

Further, a triangular bracket is arranged below the main pipe, a right-angle side of the triangular bracket is propped against the main pipe, and the other right-angle side of the triangular bracket is connected with the inner wall of the cooling tower; is used for providing supporting force for the main pipe and preventing the pipeline from collapsing.

Further, a pipe hoop is arranged on the deicing pipeline and is connected with the inner wall of the cooling tower; for securing the deicing pipeline.

Drawings

FIG. 1 is a schematic diagram of a conventional cooling tower;

fig. 2 is a schematic diagram of a deicing device for a winter water cooling tower according to an embodiment of the present utility model.

Marked in the figure as: 1. a spray head; 2. deicing pipelines; 3. a first valve; 4. a filter; 5. a water cooling tower; 6. a circulating backwater main pipe; 7. a vent line; 8. and a second valve.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

As shown in fig. 1 and 2, the deicing device for the winter water cooling tower provided by the utility model comprises a spray head 1, a deicing pipeline 2, a first valve 3, a filter 4 and the like.

One end of the deicing pipeline 2 is connected with the circulating backwater main pipe 6, the inner diameter of the deicing pipeline 2 is smaller than the inner diameter of the circulating backwater main pipe 6, a first valve 3 is arranged on the deicing pipeline 2, the first valve 3 adopts a ball valve, and the opening of the first valve 3 is adjustable, so that the circulating backwater can be directly introduced into the spray head 1 by utilizing the water pressure of the circulating backwater without a water pump. And the sealing performance of the ball valve is good, so that the inner leakage caused by the untight closing of the valve during the tower switching is prevented. The deicing pipeline 2 is provided with the filter 4, water flowing into the spray head 1 is filtered through the filter 4, impurities are prevented from blocking the spray head 1, the spraying distance is influenced, and therefore the deicing effect cannot be achieved. The vent line 7 is connected with the deicing line 2, and a second valve 8 is arranged on the vent line 7. When deicing is stopped, the second valve 8 is opened, and the water in the deicing line 2 is completely discharged through the vent line 7, thereby preventing icing.

The spray head 1 consists of a main pipe and a plurality of water spray short pipes, and two ends of the main pipe are of a closed structure. The other end of the deicing pipeline 2 is connected with a main pipe, the main pipe and the water spraying short pipe are horizontally arranged, and the main pipe and the water spraying short pipe are vertical. One end of the water spray short pipe is connected to the side wall of the main pipe, the other end of the water spray short pipe is horizontally aligned to the lower part of the filler of the cooling tower 5, and horizontal water flow is sprayed to the lower part of the filler of the cooling tower 5. The inner diameter of one end of the water spray short pipe connected with the main pipe is larger than that of the other end of the water spray short pipe, so that the water outlet pressure is further increased, and the ice cone is ensured to be impacted by enough impact force.

A triangular bracket is arranged below the main pipe, a right-angle side of the triangular bracket is propped against the main pipe, and the other right-angle side of the triangular bracket is connected with the inner wall of the cooling tower 5. The main pipe is supported by the triangular bracket, so that the collapse of the pipeline is prevented. And a pipe hoop is arranged on the deicing pipeline 2 and is connected with the inner wall of the cooling tower 5 for fixing the deicing pipeline 2.

In the actual use process, taking DN800 as an example of the model number of the circulating water return header pipe 6 in the water cooling tower 5, the circulating water return header pipe 6 is connected with a head throwing, the deicing pipeline 2 is connected through the head throwing, and circulating water is introduced into the deicing pipeline 2. And selecting a pipeline with the pipe diameter of DN125 as a deicing pipeline 2, wherein the length of the deicing pipeline 2 is 16 meters. Deicing pipeline 2 comprises two horizontal sections and two vertical sections, and the one end of first horizontal section is connected with getting rid of the head, and the other end of first horizontal section is connected with the one end of first vertical section through the elbow, and the other end of first vertical section is connected with the one end of second horizontal section through the elbow, and the other end of second horizontal section is connected with the one end of second vertical section through the elbow, and the other end of second vertical section is connected with the person in charge of shower nozzle 1. For the longer pipeline, for the convenience of installation, a sectional installation method is adopted, one long pipeline is divided into a plurality of sections of short pipelines, and the adjacent short pipelines are connected through flanges. A first valve 3 is arranged on the first horizontal section, and the first valve 3 is a ball valve. On the second horizontal section, a filter 4 is installed, and the filter 4 is a Y-type filter 4. The filter screen of the Y-type filter 4 is selected according to the impurity of water quality, and in the embodiment, an 80-mesh filter screen is selected. And a second horizontal section is connected with a vent pipeline 7 which is vertically arranged, and a second valve 8 is arranged on the vent pipeline 7.

140 water spray short pipes are connected to the main pipe at equal intervals, steel pipes with the pipe diameter phi 10 are selected as the water spray short pipes, and the end calibers of the water spray short pipes are pressed to 3-4 mm by using wire pressing pliers. The water pressure of 0.3MPa in the water cooling tower 5 circulating backwater main pipe 6 is utilized, and the design of the pipeline and the spray head 1 of the device is combined, so that the spray distance of water sprayed by the spray head 1 can reach 6.2 meters, and the water pressure is enough to impact an icing position, so that ice columns are washed away. The spray head 1, all pipelines and the triangular supports are made of 304 steel materials, so that corrosion is prevented, and deicing effect is affected.

Therefore, the utility model utilizes the characteristics of higher circulating water pressure and better water quality in the cooling tower 5, and directly adopts the circulating water to deicing. Not only solves the problem of freezing in the cooling tower 5, but also can reutilize the circulating water, saves water resources and avoids electric energy consumption.

The embodiments of the utility model are intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. A winter cooling tower de-icing device comprising: the device comprises a spray head, a deicing pipeline, a first valve and a filter, wherein a circulating backwater main pipe is arranged in a cooling tower; it is characterized in that the method comprises the steps of,

the spray head comprises a main pipe and a plurality of water spraying short pipes, two ends of the main pipe are of closed structures, one end of each water spraying short pipe is connected to the side wall of the main pipe, the other end of each water spraying short pipe is horizontally aligned below the filler of the water cooling tower, and the inner diameter of one end of each water spraying short pipe connected with the main pipe is larger than that of the other end of each water spraying short pipe; one end of the deicing pipeline is connected with the main pipe, the other end of the deicing pipeline is connected with the circulating backwater main pipe, and the deicing pipeline is respectively provided with a first valve and a filter.

2. The winter cooling tower de-icing apparatus as recited in claim 1, further comprising a vent line connected to the de-icing line, the vent line having a second valve mounted thereon.

3. The deicing device for a water cooling tower in winter according to claim 1, wherein a triangular bracket is installed below the main pipe, a right-angle side of the triangular bracket is abutted against the main pipe, and the other right-angle side of the triangular bracket is connected with the inner wall of the water cooling tower.

4. The winter cooling tower de-icing apparatus as recited in claim 1, wherein the de-icing pipeline is provided with a pipe clamp that is connected to the inner wall of the cooling tower.