Open type cross flow tower fire-fighting cooling spraying device

Abstract

The utility model discloses an open type cross flow tower fire-fighting cooling spraying device, which belongs to the technical field of cooling towers, and comprises a water inlet pipe and a water return pipe which are communicated with each other, and the tail ends of the water inlet pipe and the water return pipe are connected with a water supply system; a fire-fighting pipeline is arranged on a branch of the water inlet pipe, a spraying pipe is arranged on the fire-fighting pipeline, and a normally-closed fire-fighting nozzle is mounted on the spraying pipe; and the spraying range of the normally closed fire sprinkler covers the fan motor and the filler. The fire extinguishing device is arranged on the upper layer of the cooling tower and above and on the side face of filler in the cooling tower, so that fire can be found in time and extinguished rapidly.

Description

Technical Field

[0001] The utility model belongs to the technical field of cooling towers, in particular to an open cross-flow tower fire-fighting cooling spray device. Background Art

[0002] The application of fire protection system in industrial production safety is an indispensable part. However, the existing cooling tower equipment is not equipped with professional fire protection equipment. When running for a long time at high temperature in summer and performing hot work, the fiberglass material and PVC filler in the cooling tower are very easy to spontaneously combust, causing uncontrollable fire situation and causing great harm to production safety. Therefore, cooling tower equipment needs to be equipped with a professional fire protection system to prevent and extinguish fires. Utility Model Content

[0003] In view of the above problems, the utility model provides an open cross-flow tower fire-fighting cooling spray device, which is arranged on the upper layer of the cooling tower and above and on the side of the internal filler of the cooling tower, so as to detect the fire in time and extinguish it quickly.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] An open cross-flow tower fire-fighting cooling spray device comprises an inlet pipe and a return pipe which are interconnected, wherein the ends of the inlet pipe and the return pipe are connected to a water supply system; a fire-fighting pipeline is provided on a branch of the inlet pipe, a spray pipe is provided on the fire-fighting pipeline, and a normally closed fire-fighting nozzle is installed on the spray pipe; the spraying range of the normally closed fire-fighting nozzle covers a fan motor and filler.

[0006] Compared with the prior art, the beneficial effects of the utility model are:

[0007] The fire-fighting cooling sprinkler device is arranged at the top of the cooling tower. It has a simple structure and does not take up extra space. It can detect the ambient temperature of the cooling tower, prevent the occurrence of fire and alarm, discover the fire at the first time, and extinguish the fire quickly and effectively.

[0008] As a further improvement of the above solution, a fusible alloy is provided on the normally closed fire sprinkler.

[0009] The technical effect of the above improvement is that when a fire occurs, the normally closed fire sprinkler is automatically opened through the fusible alloy to start spraying water to extinguish the fire.

[0010] As a further improvement of the above solution, temperature sensors are provided on the fire protection pipeline and the sprinkler pipe.

[0011] The technical effect of the above improvement is: it is easy to automatically sense the temperature in the cooling tower and detect the fire at the first time.

[0012] As a further improvement of the above solution, the temperature sensor is a cable-type temperature sensor, which is wound around the fire-fighting pipeline and the sprinkler pipe, as well as inside the tower body.

[0013] The technical effect of the above improvement is: increasing the temperature sensing area range and facilitating installation.

[0014] As a further improvement of the above solution, the water inlet pipe and the water return pipe are installed on the top of the tower body; the lower ends of the water inlet pipe and the water return pipe are located at the bottom of the tower body.

[0015] The technical effect of the above improvement is: the installation structure is simple and reliable.

[0016] As a further improvement of the above solution, the fire-fighting pipeline and the sprinkler pipe are made of galvanized steel pipes, and the fire-fighting pipeline is arranged in a "U" shape or a "M" shape to form a closed reflux system.

[0017] The technical effect of the above improvement is: the use of galvanized water pipes has the advantages of corrosion resistance and high flame retardancy.

[0018] As a further improvement of the above solution, a normally closed fire sprinkler covering the filler range is installed in the water spreading basin of the cooling tower.

[0019] The technical effect of the above improvement is that the spray water is spread through the water basin and evenly poured on the filler to extinguish the fire. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the position of the utility model in a cooling tower;

[0021] Figure 2 This is a schematic diagram of the water flow of the fire-fighting cooling sprinkler system;

[0022] Figure 3 This is a schematic diagram of the spray pipe at the motor end of the fan created by the utility model;

[0023] Figure 4 A schematic diagram of the installation position of the temperature sensor created by the utility model;

[0024] In the figure: 1. Water inlet pipe; 2. Support; 3. Spray pipe at the end of the fan motor; 4. Spray pipe inside the tower; 5. Normally closed fire sprinkler; 6. Return pipe; 7. Filler; 8. Water basin; 9. Air duct; 10. Fan motor; 11. Temperature sensor; 12. Inner edge of the water basin; 13. Bottom of the water basin. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solution, the utility model is described in detail below in conjunction with embodiments. The description in this section is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0026] like Figure 1-2 As shown in the figure, the cooling tower includes a water distribution system arranged on the upper layer of the tower body, a wind duct 9 arranged on the top of the tower body, a fan motor 10 arranged on one side of the wind duct 9, and also includes a fire cooling spray device arranged on the top and inside of the tower body. The fire spray device includes a plurality of fire pipelines and a temperature sensor 11. A plurality of normally closed fire sprinklers 5 are arranged at intervals on the fire pipeline, and the temperature sensors 11 are distributed throughout the fire pipeline.

[0027] like Figure 2 As shown in the figure, the specific structure of the device of the utility model is: an open cross-flow tower fire cooling spray device, including an inlet pipe 1 and a return pipe 6 that are interconnected, and the ends of the inlet pipe 1 and the return pipe 6 are connected to the water supply system; a fire-fighting pipeline is arranged on a branch of the inlet pipe 1, a sprinkler pipe is arranged on the fire-fighting pipeline, and a normally closed fire-fighting nozzle 5 is installed on the sprinkler pipe; the spraying range of the normally closed fire-fighting nozzle 5 covers the fan motor 10 and the filler 7.

[0028] The normally closed fire sprinkler 5 is provided with a fusible alloy.

[0029] like Figure 4 As shown, the device also includes a control terminal box and a cable temperature sensor 11. The cable temperature sensor 11 is wound around the fire pipeline and the sprinkler pipe, as well as inside the tower body, to sense the temperature around the sprinkler pipe and transmit the temperature signal to the terminal box for alarm prevention.

[0030] The water inlet pipe 1 and the water return pipe 6 are installed on the top of the tower body; the lower ends of the water inlet pipe 1 and the water return pipe 6 are located at the bottom of the tower body.

[0031] The fire-fighting pipeline and sprinkler pipe are made of galvanized steel pipes. The fire-fighting pipeline is laid out in a "U" shape or a "M" shape to form a closed reflux system.

[0032] A normally closed fire sprinkler 5 covering the range of the filler 7 is installed in the water-sprinkling basin 8 of the cooling tower.

[0033] Water is diverted to the fan motor end spray pipe 3 and the tower spray pipe 4 through the water inlet pipe 1. A normally closed fire sprinkler 5 is installed on the spray pipe. The normally closed fire sprinkler 5 senses that the ambient temperature exceeds the set value, and the normally closed fire sprinkler 5 disconnects the fusible alloy and sprays water around to extinguish the fire. When the ambient temperature does not reach the set value, the water will flow back to the pool through the return pipe 6. The water inlet pipe 1, the tower spray pipe 4, and the return pipe 6 are all fixed to the cooling tower through the support 2.

[0034] Figure 3The structure is a spray pipe 4 in the tower. The spray pipe enters from the inner edge 12 of the water-spreading basin, and then reaches the top of the filler 7 through the bottom 13 of the water-spreading basin. The fire sprinklers are evenly arranged, and the spraying range covers the entire top of the filler 7.

[0035] Figure 4 The figure shows the installation position diagram of the temperature sensor 11 of the fire sprinkler cooling device. The device also includes a control terminal box and a cable temperature sensor 11. The cable temperature sensor 11 is wound around the sprinkler pipe to sense the temperature around the sprinkler pipe and transmit the temperature signal to the terminal box for alarm prevention. The control terminal box is installed on the side wall of the cooling tower.

[0036] Figure 3 The spray pipe 4 is installed in the tower. The spray pipe enters from the inner edge 12 of the water-spreading basin, and then reaches the top of the filler 7 through the bottom 13 of the water-spreading basin. The fire sprinklers are evenly arranged, and the spraying range covers the top of the entire filler 7 and the sides of the filler 7.

[0037] Water is diverted to the fan motor end spray pipe 3 and the tower spray pipe 4 through the water inlet pipe 1. A normally closed fire sprinkler 5 is installed on the spray pipe. The normally closed fire sprinkler 5 senses that the ambient temperature exceeds the set value. The normally closed fire sprinkler 5 disconnects the fusible alloy and sprays water around to extinguish the fire. When the ambient temperature does not reach the set value, the water will flow back to the pool through the return pipe 6. The water inlet pipe 1, the tower spray pipe 4, and the return pipe 6 are all fixed to the cooling tower through the support 2.

[0038] It should be noted that, in this article, the terms include, contain or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. Specific examples are used in this article to illustrate the principle and implementation of the technical solution of the utility model. The above examples are only used to help understand the method and core idea of ​​the utility model. The above are only preferred implementations of the utility model. It should be pointed out that due to the limitations of textual expression and the objective existence of infinite specific structures, for ordinary technicians in this technical field, without departing from the principle of the utility model, several improvements, modifications or changes can be made, and the above technical features can also be combined in an appropriate manner; these improvements, modifications, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. An open cross-flow tower fire-fighting cooling spray device, characterized in that: It includes a water inlet pipe (1) and a water return pipe (6) that are interconnected. The ends of the water inlet pipe (1) and the water return pipe (6) are connected to the water supply system; a fire pipeline is branched on the water inlet pipe (1), a spray pipe is provided on the fire pipeline, and a normally closed fire sprinkler (5) is installed on the spray pipe; the spraying range of the normally closed fire sprinkler (5) covers the fan motor (10) and the packing (7).

2. An open cross-flow tower fire-fighting cooling spray device according to claim 1, characterized in that: A fusible alloy is provided on the normally closed fire sprinkler (5).

3. The open cross-flow tower fire-fighting cooling spray device according to claim 1, characterized in that: A temperature sensor (11) is provided on the fire pipeline and the spray pipe.

4. The open cross-flow tower fire-fighting cooling spray device according to claim 3, characterized in that: The temperature sensor (11) is a cable-type temperature sensor (11), which is wound around the fire pipeline, the spray pipe, and inside the tower body.

5. The open cross-flow tower fire-fighting cooling spray device according to claim 1, characterized in that: The water inlet pipe (1) and the water return pipe (6) are installed at the top of the tower body; the lower ends of the water inlet pipe (1) and the water return pipe (6) are located at the bottom of the tower body.

6. The open cross-flow tower fire-fighting cooling spray device according to claim 1, characterized in that: The fire pipeline and the spray pipe are made of galvanized steel pipes. The fire pipeline is laid out in a "return" shape or a "square" shape to form a closed return system.

7. The open cross-flow tower fire-fighting cooling spray device according to claim 1, characterized in that: The normally closed fire sprinklers (5) covering the packing (7) are installed in the splash basin (8) of the cooling tower.

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