Countercurrent cooling tower convenient to overhaul

Abstract

The utility model relates to the technical field of cooling towers, in particular to a countercurrent cooling tower convenient to overhaul. A cooling air structure is arranged on the lower portion in the tower body, an air cooling structure is arranged on the upper portion in the tower body, an access door is arranged between the cooling air structure and the air cooling structure, the access door is located on the side wall of the tower body, the access door comprises a door frame, and the door frame is fixedly connected with the tower body in a sealed welding mode. The door frame and the door leaf are connected through hinges in a hinged mode, a first bolt hole is formed in the outer surface, close to the edge, of the door leaf, a second bolt hole is formed in the door frame, the first bolt hole and the second bolt hole are located on the same horizontal plane, a limiting block is arranged below the first bolt hole, and a movable rod is arranged between the first bolt hole and the second bolt hole. The movable rod is fixedly connected with a fixing pin matched with the limiting block, and a sealing strip is arranged between the door leaf and the door frame. The device solves the problem that it is inconvenient for workers to enter the cooling tower for maintenance.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling towers, in particular to a counter-flow cooling tower which is easy to maintain. Background Art

[0002] With the development of society, the role of cooling towers is becoming more and more important. Cooling towers are an indispensable equipment in many large factories, shopping malls, and thermal power plants. They use direct or indirect contact between air and water to cool water. They use water as a circulating coolant, absorb heat from a system and discharge it into the atmosphere, thereby reducing the temperature inside the tower and making cooling water recyclable. The equipment allows the waste heat to be transferred to the air and dissipated into the atmosphere.

[0003] In the prior art, if a cooling tower fails, the staff can only enter from the bottom to perform maintenance, but the structure inside the cooling tower is complicated, and this method is not convenient for maintenance. Utility Model Content

[0004] In order to solve the problems in the related art, the utility model provides a counter-flow cooling tower which is convenient for maintenance. The device solves the problem that it is inconvenient for workers to enter the cooling tower for maintenance.

[0005] In order to solve the above problems, the following technical solutions are provided:

[0006] The utility model discloses a countercurrent cooling tower which is easy to maintain and comprises a tower body, wherein the lower part of the tower body is a cooling air structure, the upper part of the tower body is an air cooling structure, an inspection door is arranged between the cooling air structure and the air cooling structure, the inspection door is located on the side wall of the tower body, the inspection door comprises a door frame, the transverse frame of the door frame is arranged horizontally, the vertical frame of the door frame is arranged vertically, the door frame and the tower body are fixedly and sealedly connected by means of close welding, a door leaf is arranged in the door frame, the door frame and the door leaf are hingedly connected by a hinge, a first latch hole is arranged on the edge adjacent to the outer surface of the door leaf, a second latch hole is arranged on the door frame, the first latch hole and the second latch hole are located on the same horizontal plane, a limiting block is arranged below the first latch hole, a movable rod is arranged between the first latch hole and the second latch hole, a fixing pin which is adapted to the limiting block is fixedly connected to the movable rod, and a sealing strip is arranged between the door leaf and the door frame.

[0007] In the above scheme, the inspection door is set, and the inspection door is located between the cooling air structure and the air cooling structure, which is convenient for inspecting the cooling air structure and the air cooling structure. The movable rod is inserted into the first latch hole and the second latch hole, and the through hole on the fixed pin is matched with the protrusion of the limit block, so as to facilitate closing the inspection door. The sealing strip is set to ensure the sealing performance of the inspection door, thereby solving the problem of inconvenience for staff to enter the cooling tower for inspection.

[0008] The cooling air structure includes a cooler, a spray pipe is arranged above the cooler, the spray pipe passes through one side of the tower body and is connected with the water outlet pipe of the water pump, a water collector is arranged above the spray pipe, and a water storage box is arranged below the cooler.

[0009] In the above scheme, by setting up the spray pipe, the cooling water entering the tower can expand the contact surface area with the air as much as possible, perform heat exchange, transfer the heat of the air to the cooling water, thereby lowering the air temperature, and by setting up the water collector, reduce the circulation loss of cooling water, and by setting up the water storage box, achieve the purpose of water resource reuse.

[0010] The air cooling structure comprises an air cooler, the upper end of the air cooler is connected with an air inlet, and the lower end of the air cooler is connected with an air outlet.

[0011] An air inlet window is arranged below the tower body, an air outlet is arranged on the top of the tower body, and a fan is arranged on the air outlet.

[0012] In the above scheme, the wind is evenly introduced into the tower by the setting of the air inlet window, and the hot air is drawn out of the tower by the fan by the setting of the fan, thereby improving the cooling efficiency and ensuring the cooling effect.

[0013] The door frame and the door leaf are both made of stainless steel, the surface of the door leaf is coated with anti-corrosion material, and two of the first latch hole and the second latch hole are each provided.

[0014] In the above scheme, the door frame and the door leaf are made of stainless steel, so that the door frame and the door leaf have high strength and corrosion resistance.

[0015] The above solution has the following advantages:

[0016] 1. A counter-flow cooling tower that is easy to maintain in the utility model comprises a tower body, the lower part of the tower body is a cooling air structure, the upper part of the tower body is an air cooling structure, an inspection door is arranged between the cooling air structure and the air cooling structure, the inspection door is located on the side wall of the tower body, the inspection door comprises a door frame, the horizontal frame of the door frame is arranged horizontally, the vertical frame of the door frame is arranged vertically, the door frame and the tower body are fixedly and sealedly connected by dense welding, a door leaf is arranged in the door frame, the door frame and the door leaf are hingedly connected by hinges, a first latch hole is arranged on the outer surface of the door leaf near the edge, a second latch hole is arranged on the door frame, and the first latch hole and the second latch hole are located at the same On a horizontal plane, a limit block is set below the first latch hole, a movable rod is arranged between the first latch hole and the second latch hole, a fixing pin matched with the limit block is fixedly connected to the movable rod, a sealing strip is set between the door leaf and the door frame, and the inspection door is arranged between the cooling air structure and the air cooling structure, which is convenient for the inspection of the cooling air structure and the air cooling structure, so that the staff can enter the cooling tower for inspection by inserting the movable rod into the first latch hole and the second latch hole, and the through hole on the fixing pin is matched with the protrusion of the limit block, so as to facilitate the closing of the inspection door, and the sealing performance of the inspection door is guaranteed by the setting of the sealing strip.

[0017] 2. The cooling air structure contains a cooler. A spray pipe is arranged above the cooler to expand the contact surface area between the cooling water entering the tower and the air as much as possible, conduct heat exchange, and transfer the heat of the air to the cooling water, thereby reducing the temperature of the air. A water collector is arranged above the spray pipe to reduce the circulation loss of cooling water. A water storage box is arranged below the cooler to achieve the purpose of reusing water resources. The air-cooling structure contains an air cooler. An air inlet window is arranged below the tower body to use wind to enter the tower evenly. An air outlet is arranged on the top of the tower body, and a fan is arranged on the air outlet. The fan is used to draw hot air out of the tower, thereby improving the cooling efficiency and ensuring the cooling effect. The door frame and door leaf are made of stainless steel, and the surface of the door leaf is coated with anti-corrosion material, so that the door frame and door leaf have higher strength and corrosion resistance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A side view of a counterflow cooling tower for easy maintenance;

[0019] Figure 2 It is a structural schematic diagram of a counter-flow cooling tower which is easy to maintain;

[0020] Figure 3 It is an enlarged schematic diagram of part A of a counter-flow cooling tower which is convenient for maintenance;

[0021] Explanation of the accompanying reference numerals: 1. tower body; 2. inspection door; 3. door frame; 4. door leaf; 5. first latch hole; 6. second latch hole; 7. limit block; 8. movable rod; 9. fixing pin; 10. cooler; 11. spray pipe; 12. water pump; 13. water outlet pipe; 14. water collector; 15. water storage box; 16. air cooler; 17. air inlet; 18. air outlet; 19. air inlet window; 20. fan. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figures 1 to 3 As shown, a countercurrent cooling tower easy to maintain of the utility model comprises a tower body 1, the lower part of the tower body 1 is a cooling air structure, the upper part of the tower body 1 is an air cooling structure, an inspection door 2 is arranged between the cooling air structure and the air cooling structure, the inspection door 2 is located on the side wall of the tower body 1, the inspection door 2 comprises a door frame 3, the transverse frame of the door frame 3 is arranged horizontally, the vertical frame of the door frame 3 is arranged vertically, the door frame 3 and the tower body 1 are fixedly and sealedly connected by means of close welding, a door leaf 4 is arranged in the door frame 3, the door frame 3 and the door leaf 4 are hingedly connected by hinges, a first latch hole 5 is arranged on the outer surface of the door leaf 4 near the edge, a second latch hole 6 is arranged on the door frame 3, the first latch hole 5 and the second latch hole 6 are located on the same horizontal plane, a limiting block 7 is arranged below the first latch hole 5, a movable rod 8 is arranged between the first latch hole 5 and the second latch hole 6, a fixing pin 9 matched with the limiting block 7 is fixedly connected to the movable rod 8, and a sealing strip is arranged between the door leaf 4 and the door frame 3.

[0024] The cooling air structure includes a cooler 10 , a spray pipe 11 is arranged above the cooler 10 , the spray pipe 11 passes through one side of the tower body 1 and is connected with a water outlet pipe 13 of a water pump 12 , a water collector 14 is arranged above the spray pipe 11 , and a water storage box 15 is arranged below the cooler 10 .

[0025] The air cooling structure includes an air cooler 16 , an upper end of the air cooler 16 is connected to an air inlet 17 , and a lower end of the air cooler 16 is connected to an air outlet 18 .

[0026] An air inlet window 19 is provided at the bottom of the tower body 1 , an air outlet is provided at the top of the tower body 1 , and a fan 20 is provided on the air outlet.

[0027] The door frame 3 and the door leaf 4 are both made of stainless steel, the surface of the door leaf 4 is coated with anti-corrosion material, and two first latch holes 5 and two second latch holes 6 are provided.

[0028] When the movable rod 8 is inserted into the first latch hole 5 and the second latch hole 6, the through hole on the fixed pin 9 is matched with the protrusion of the limit block 7, the inner surface of the fixed pin 9 is against the outer surface of the limit block 7, the protrusion of the limit block 7 passes through the through hole of the fixed pin 9, and a padlock is installed in the protruding hole. The inspection door 2 can be locked by locking the padlock; when the cooling tower needs maintenance, it only needs to open the padlock, pull the piston rod out of the second latch hole 6, open the inspection door 2, and the staff can enter the cooling tower for maintenance.

[0029] In the description of the present utility model, it should be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, unless otherwise specified and limited, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a mechanical connection or an electrical connection, or it can be the internal communication of two elements, it can be a direct connection, or it can be an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0030] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A counter-flow cooling tower that is easy to maintain, characterized in that: The tower body (1) comprises a tower body (1), wherein the lower part of the tower body (1) is a cooling air structure, and the upper part of the tower body (1) is an air cooling structure. An inspection door (2) is arranged between the cooling air structure and the air cooling structure. The inspection door (2) is located on the side wall of the tower body (1). The inspection door (2) comprises a door frame (3). The horizontal frame of the door frame (3) is arranged horizontally, and the vertical frame of the door frame (3) is arranged vertically. The door frame (3) is fixedly and hermetically connected to the tower body (1) by means of close welding. A door leaf (4) is arranged in the door frame (3). The door frame (3) and the door leaf (4) are connected by a joint. The leaves are hingedly connected, a first latch hole (5) is arranged on the outer surface of the door leaf (4) near the edge, a second latch hole (6) is arranged on the door frame (3), the first latch hole (5) and the second latch hole (6) are located on the same horizontal plane, a limit block (7) is arranged below the first latch hole (5), a movable rod (8) is arranged between the first latch hole (5) and the second latch hole (6), a fixing pin (9) adapted to the limit block (7) is fixedly connected to the movable rod (8), and a sealing strip is arranged between the door leaf (4) and the door frame (3).

2. A counter-flow cooling tower that is easy to maintain as claimed in claim 1, characterized in that: The cooling air structure comprises a cooler (10), a spray pipe (11) is arranged above the cooler (10), the spray pipe (11) passes through one side of the tower body (1) and is connected to a water outlet pipe (13) of a water pump (12), a water collector (14) is arranged above the spray pipe (11), and a water storage box (15) is arranged below the cooler (10).

3. A counter-flow cooling tower that is easy to maintain as claimed in claim 1, characterized in that: The air cooling structure comprises an air cooler (16), the upper end of the air cooler (16) is connected to an air inlet (17), and the lower end of the air cooler (16) is connected to an air outlet (18).

4. A counter-flow cooling tower that is easy to maintain as claimed in claim 1, characterized in that: An air inlet window (19) is provided below the tower body (1), an air outlet is provided at the top of the tower body (1), and a fan (20) is provided on the air outlet.

5. A counter-flow cooling tower that is easy to maintain as claimed in claim 2 or 3, characterized in that: The inspection door (2) is located between the water collector (14) and the air cooler (16).

6. A counter-flow cooling tower that is easy to maintain as claimed in claim 1, characterized in that: The door frame (3) and the door leaf (4) are both made of stainless steel, the surface of the door leaf (4) is coated with anti-corrosion material, and two of the first latch hole (5) and the second latch hole (6) are provided.

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