Compound square open-close type support structure for cooling tower

Abstract

The utility model relates to open and close formula cooling tower technical field discloses a kind of composite square open and close formula cooling tower support structure, including cooling tower main body, guardrail, fan, ventilation board and water tank, cooling tower main body is in the left 2 / 3 area of length direction as open tower part, right 1 / 3 area is closed formula cooling tower part, water tank bottom is equipped with angle plate lining, angle plate lining forms water collection structure, water collection width is greater than the water collection width of traditional Z-shaped bending plate.The composite square open and close formula cooling tower support structure, by adopting the integrated structure design of open and close formula cooling tower common support column and bottom plate, seamless steel pipe is selected for support column, cooperate positioning plate, load-bearing plate group and steel beam, reinforcing rib and other auxiliary structures, form stable load-bearing system, improve the load-carrying capacity and anti-deformation performance of overall structure, ensure that cooling tower long-term stable operation, adapt to the high-strength use demand of industrial production.

Description

Technical Field

[0001] This utility model belongs to the technical field of open and closeable cooling towers, specifically, it relates to a support structure for a composite square open and closeable cooling tower. Background Technology

[0002] In the field of open and closed cooling tower technology, industrial production often requires the simultaneous installation of both open and closed cooling towers to meet the cooling water circulation needs of different workstations. However, in traditional solutions, the two types of cooling towers need to be installed independently, each with its own dedicated support structure and mounting base. This results in a large overall footprint, increasing the cost of factory construction or site rental and placing high demands on site layout, making it difficult to adapt to production scenarios with limited space. Furthermore, the support columns of traditional cooling towers are mostly made using steel plate bending processes, which are cumbersome and result in poor structural stability. The water tank's water collection structure is also poorly designed, easily leading to cooling water leakage, affecting cooling efficiency and user experience. Therefore, there is an urgent need for a support structure solution that can balance space utilization, structural stability, and performance. Utility Model Content

[0003] The purpose of this invention is to provide a support structure for a composite square open-closed cooling tower to solve the problems mentioned in the background art.

[0004] A supporting structure for a composite square openable cooling tower includes a cooling tower body, a guardrail, a fan, a ventilation plate, and a water tank. The cooling tower body has a base plate at its bottom, and a supporting column is mounted on the base plate. The supporting column is made of seamless steel pipe, and a positioning plate 1, an installation plate, a positioning plate 2, and a load-bearing plate assembly are sequentially mounted on the seamless steel pipe. The load-bearing plate assembly includes a load-bearing plate 1, a load-bearing plate 2, and a load-bearing plate 3. The cooling tower body has an open tower section in the left 2 / 3 of its length direction and a closed cooling tower section in the right 1 / 3 of its length direction. The open tower section and the closed cooling tower section share the supporting columns and base plate structure. The bottom of the water tank is provided with a corner plate lining, which forms a water-collecting structure with a water-collecting width greater than that of a traditional Z-shaped bending plate.

[0005] In a preferred embodiment of the present invention, the cooling tower body is provided with a ring frame one, a ring frame two and a load-bearing frame. The top of the seamless steel pipe is fixedly connected to the ring frame one and the ring frame two, and the load-bearing frame is assembled with the load-bearing plate group on the seamless steel pipe.

[0006] In a preferred embodiment of this utility model, the base plate is provided with a Z-shaped plate, a steel beam, a connecting frame and a reinforcing rib. The bottom of the seamless steel pipe is fixed to the steel beam through the connecting frame, and the reinforcing rib is assembled between the steel beam and the base plate.

[0007] In a preferred embodiment of this utility model, the seamless steel pipe is welded to positioning plate one and positioning plate two, and the mounting plate is detachably connected to the seamless steel pipe by bolts.

[0008] In a preferred embodiment of this utility model, the cooling tower body is equipped with a spray frame and a cooling pipe frame, the cooling pipe frame being configured for the closed cooling tower section and the spray frame being configured for the open tower section.

[0009] In a preferred embodiment of this utility model, the angle plate liner is connected to the water tank by welding, the included angle of the angle plate liner is in the range of 120°-150°, and the surface of the liner is provided with an anti-rust coating.

[0010] In a preferred embodiment of this utility model, the load-bearing plate one, load-bearing plate two, and load-bearing plate three are distributed in a stepped manner on the seamless steel pipe, the spacing between adjacent load-bearing plates is 80mm-120mm, and weight-reducing holes are opened on the surface of the load-bearing plates.

[0011] Compared with the prior art, the present invention has the following advantages: 1. The support structure of this composite square open-closed cooling tower solves the problem of large footprint of traditional independent installations by adopting an integrated structural design of shared support columns and base plates for open-closed cooling towers. While meeting the cooling water circulation needs of different workstations, it reduces the space occupied by the equipment and lowers the site investment cost. The support columns are made of seamless steel pipes, which, together with positioning plates, load-bearing plates, steel beams, and reinforcing ribs, form a stable load-bearing system. Since seamless steel pipes have a higher section modulus of bending resistance, the stepped distribution of load-bearing plates increases the stress area, and the steel beams and reinforcing ribs under the base plate together improve the overall load-bearing capacity and deformation resistance of the structure, ensuring the long-term stable operation of the cooling tower and meeting the high-intensity use requirements of industrial production.

[0012] 2. The supporting structure of this composite square open-closed cooling tower optimizes the water tank's water collection structure by replacing the traditional Z-shaped bent plate with a corner plate lining, thus improving the water collection effect, preventing cooling water leakage, and ensuring cooling efficiency. Seamless steel pipes replace the traditional steel plate bending process in the fabrication of the supporting columns, simplifying the processing steps. The corner plate lining structure also reduces processing complexity and improves production and assembly efficiency.

[0013] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0014] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the cooling tower of this utility model; Figure 2 This is a schematic diagram of the internal structure of the cooling tower of this utility model; Figure 3 This is a schematic diagram of the ring frame structure of this utility model; Figure 4 This is a schematic diagram of the seamless steel pipe structure of this utility model; Figure 5 for Figure 4 Enlarged schematic diagram of the structure at point A in the middle; Figure 6 This is a schematic diagram of the base plate structure of this utility model.

[0015] In the diagram: 1. Cooling tower body; 101. Ring frame one; 102. Seamless steel pipe; 1021. Positioning plate one; 1022. Mounting plate; 1023. Positioning plate two; 1024. Load-bearing plate one; 1025. Load-bearing plate two; 1026. Load-bearing plate three; 103. Load-bearing frame; 104. Spray frame; 105. Ring frame two; 106. Cooling pipe rack; 107. Base plate; 108. Z-shaped plate; 109. Steel beam; 110. Connecting frame; 111. Reinforcing rib; 2. Guardrail; 3. Fan; 4. Ventilation plate; 5. Water tank. Detailed Implementation

[0016] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0017] like Figures 1 to 6 As shown, a supporting structure for a composite square openable cooling tower includes a cooling tower body 1, a guardrail 2, a fan 3, a ventilation plate 4, and a water tank 5. The cooling tower body 1 has a base plate 107 at its bottom, and a supporting column is mounted on the base plate 107. The supporting column is made of seamless steel pipe 102. Positioning plate 1021, mounting plate 1022, positioning plate 2 1023, and load-bearing plate assembly are sequentially mounted on the seamless steel pipe 102. The load-bearing plate assembly includes load-bearing plate 1024, load-bearing plate 2 1025, and load-bearing plate 3 1026.

[0018] The main body 1 of the cooling tower is equipped with a ring frame 101, a ring frame 2 105 and a load-bearing frame 103. The top of the seamless steel pipe 102 is fixedly connected to the ring frame 101 and the ring frame 2 105. The load-bearing frame 103 is assembled with the load-bearing plate group on the seamless steel pipe 102.

[0019] The base plate 107 is provided with a Z-shaped plate 108, a steel beam 109, a connecting frame 110 and a reinforcing rib 111. The bottom of the seamless steel pipe 102 is fixed to the steel beam 109 through the connecting frame 110, and the reinforcing rib 111 is assembled between the steel beam 109 and the base plate 107.

[0020] The seamless steel pipe 102 is welded to positioning plates 1021 and 1023. The mounting plate 1022 is detachably connected to the seamless steel pipe 102 by bolts. Load-bearing plates 1024, 1025, and 1026 are arranged in a stepped manner on the seamless steel pipe 102. This stepped design allows for layered load bearing from different heights and directions. In conjunction with the load-bearing frame 103, it efficiently transfers the internal weight of the equipment to the supporting columns, avoiding stress concentration. The weight-reducing holes on the surface of the load-bearing plates effectively reduce the overall weight while ensuring structural strength. The spacing between adjacent load-bearing plates is 80mm-120mm, and the surface of the load-bearing plates is provided with weight-reducing holes.

[0021] The left two-thirds of the main body of the cooling tower is the open tower section, and the right one-third is the closed cooling tower section. The open tower section and the closed cooling tower section share the supporting column and base plate 107 structure. The main body of the cooling tower is equipped with a spray rack 104 and a cooling pipe rack 106. The cooling pipe rack 106 is set for the closed cooling tower section, and the spray rack 104 is set for the open tower section.

[0022] The bottom of the water tank 5 is provided with a corner plate lining, which forms a water-collecting structure. The water-collecting width is greater than that of the traditional Z-shaped bent plate. The corner plate lining is connected to the water tank 5 by welding. The included angle of the corner plate lining is 120°-150°, and the surface of the lining is provided with an anti-rust coating.

[0023] Seamless steel pipe 102 with specifications of Φ89mm×6mm is selected as the support column. Positioning plate 1021 and positioning plate 1023 are welded onto the seamless steel pipe 102 at preset intervals. The positioning plates are made of Q235 steel plate with a thickness of 12mm and a size of 150mm×150mm. Mounting plate 1022 is detachably connected to seamless steel pipe 102 by M16 high-strength bolts with a bolt spacing of 80mm to ensure installation stability.

[0024] Load-bearing plates 1024, 1025, and 1026 are all made of 10mm thick Q235 steel plates, with four Φ30mm weight-reducing holes arranged in a rectangular pattern on their surface. The three plates are welded to seamless steel pipe 102 in a stepped manner at 100mm intervals, using fillet welds with a weld leg height of 8mm to ensure load-bearing strength.

[0025] The base plate 107 is integrally cut from a 16mm thick Q235 steel plate, with dimensions adapted to the bottom contour of the cooling tower body 1. Steel beams 109 are welded onto the base plate 107. The steel beams are H-beams, model H200×100×5.5×8, and are fixed together by connecting brackets 110, which are made of 10mm thick steel plate bent into shape. Reinforcing ribs 111 are right-angled triangular steel plates, 8mm thick, welded between the steel beams 109 and the base plate 107. Each steel beam is equipped with at least four reinforcing ribs, evenly distributed to improve torsional resistance. Z-shaped plates 108 are made from 6mm thick steel plates bent into shape, with a Z-shape height of 50mm. They are bolted to the edge of the base plate 107 to assist in fixing the bottom of the support columns.

[0026] Ring frame 101 and ring frame 2 105 are made of seamless steel pipes with a diameter of Φ50mm×4mm, and are spliced ​​according to the inner diameter of the main body of the cooling tower. The splices are fixed by welding and the welds are inspected for flaws. The top of the seamless steel pipe 102 is connected to ring frame 101 and ring frame 2 105 by a flange with a specification of DN80. M14 high-strength bolts are used to ensure the stability of the top support. The load-bearing frame 103 is made of channel steel of grade 10# and is assembled with the load-bearing plate assembly by corresponding bolts. Spring washers are added at the bolt connections to prevent loosening.

[0027] Sprayer rack 104 is installed in the left 2 / 3 open area of ​​the cooling tower body 1, using Φ50mm×3mm stainless steel pipes. The spray head spacing is 300mm to ensure uniform spray coverage. Cooling pipe rack 106 is installed in the right 1 / 3 closed area, using carbon steel brackets for welding and fixing. Rubber pads are installed between the cooling pipes and the rack to reduce vibration and wear. The corner plate lining at the bottom of water tank 5 is made of 8mm thick stainless steel plate, bent at a 135° angle, and welded to water tank 5. After welding, a waterproof test is performed to ensure no water leakage. The lining surface is sprayed with an epoxy zinc-rich anti-rust coating with a coating thickness ≥80μm.

[0028] Guardrail 2 is made of Φ32mm×2.5mm steel pipe welded together, with a height of 1.2m, and fixed to the top edge of the cooling tower body 1. Fan 3 is fixed to the center of the top of the cooling tower body 1 by a bracket, which is welded to the ring frame 101. Ventilation plate 4 is made of fiberglass and is fixed to the side ventilation opening of the cooling tower body 1 by bolts to ensure smooth ventilation and corrosion resistance.

[0029] After assembly, the verticality deviation of the support columns is checked to be ≤3mm / m, the spacing deviation between adjacent support columns is ≤5mm, and the roundness deviation of the ring frame is ≤8mm, to ensure that the overall structural dimensions meet the design requirements.

[0030] A load test was conducted on the load-bearing plate assembly, applying 1.5 times the design load and maintaining it for 30 minutes. No significant deformation of the structure or cracking of the welds was observed. A torsional resistance test was performed on the supporting columns, with a torsional angle ≤0.5° / m, ensuring the structural strength met the standards. A water filling test was conducted on water tank 5 and the connection point of the corner plate lining, filling the tank to its rated water level and maintaining it for 24 hours. No seepage or leakage was observed.

[0031] Working principle: The weight of the cooling tower body 1 is transferred to the support column made of seamless steel pipe 102 through the ring frame 101 and the ring frame 105. The seamless steel pipe has high strength and deformation resistance, which can effectively distribute the top load.

[0032] The load-bearing frame 103 transfers the weight of internal functional components of the cooling tower, such as the spray frame 104 and the cooling pipe frame 106, to the load-bearing plate assembly. The stepped distribution of the load-bearing plate one 1024, load-bearing plate two 1025, and load-bearing plate three 1026 increases the contact area of ​​the load-bearing components, avoids local stress concentration, and at the same time, the weight-reducing holes reduce the structural weight without affecting the load-bearing performance.

[0033] The bottom of the support column is fixed to the steel beam 109 through the connecting frame 110. The steel beam evenly transfers the load to the base plate 107. The reinforcing rib 111 further improves the connection strength between the steel beam and the base plate, prevents deformation under stress, and ultimately achieves stable support for the entire cooling tower structure.

[0034] When the tower is in operation, the spray frame 104 atomizes and sprays cooling water, which exchanges heat with the air entering through the ventilation plate 4 to achieve cooling. The angled plate lining at the bottom of the water tank 5 increases the water collection width, which can efficiently recover the atomized cooling water and prevent leakage. At the same time, the simplified structure reduces water flow resistance and improves water collection efficiency.

[0035] When the closed-circuit cooling tower is in operation, the circulating water in the cooling pipe rack 106 exchanges heat indirectly with the air inside the tower, maintaining the cleanliness of the circulating water. Since the open and closed sections share the supporting columns and base plate 107 structure, the floor space is significantly saved and the installation cost is reduced while ensuring that each function operates independently.

[0036] When fan 3 is running, it generates negative pressure, which accelerates the airflow inside the tower, improves the spray heat dissipation efficiency of the open tower section and the indirect heat exchange efficiency of the closed section, and achieves coordinated and efficient operation of the two cooling modes.

Claims

1. A supporting structure for a composite square open-closed cooling tower, comprising a cooling tower body (1), a guardrail (2), a fan (3), a ventilation plate (4), and a water tank (5), characterized in that: The cooling tower body (1) has a base plate (107) at the bottom. The base plate (107) is equipped with a support column. The support column is made of seamless steel pipe (102). The seamless steel pipe (102) is sequentially equipped with a positioning plate one (1021), an installation plate (1022), a positioning plate two (1023), and a load-bearing plate group. The load-bearing plate group includes a load-bearing plate one (1024), a load-bearing plate two (1025), and a load-bearing plate three (1026). The main body of the cooling tower (1) has an open tower section in the left 2 / 3 of the length direction and a closed cooling tower section in the right 1 / 3 of the length direction. The open tower section and the closed cooling tower section share the supporting column and base plate (107) structure. The bottom of the water tank (5) is provided with a corner plate lining, which forms a water collection structure with a water collection width greater than that of a traditional Z-shaped bending plate.

2. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The cooling tower body (1) is provided with a ring frame one (101), a ring frame two (105) and a load-bearing frame (103). The top of the seamless steel pipe (102) is fixedly connected to the ring frame one (101) and the ring frame two (105). The load-bearing frame (103) is assembled with the load-bearing plate group on the seamless steel pipe (102).

3. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The base plate (107) is provided with a Z-shaped plate (108), a steel beam (109), a connecting frame (110) and a reinforcing rib (111). The bottom of the seamless steel pipe (102) is fixed to the steel beam (109) through the connecting frame (110), and the reinforcing rib (111) is assembled between the steel beam (109) and the base plate (107).

4. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The seamless steel pipe (102) is welded to positioning plate one (1021) and positioning plate two (1023), and the mounting plate (1022) is detachably connected to the seamless steel pipe (102) by bolts.

5. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The cooling tower body (1) is equipped with a spray rack (104) and a cooling pipe rack (106). The cooling pipe rack (106) is provided for the closed cooling tower section, and the spray rack (104) is provided for the open tower section.

6. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The angle plate lining is connected to the water tank (5) by welding. The angle range of the angle plate lining is 120°-150°, and the lining surface is provided with an anti-rust coating.

7. The supporting structure for a composite square open-closed cooling tower according to claim 1, characterized in that: The load-bearing plate one (1024), load-bearing plate two (1025), and load-bearing plate three (1026) are distributed in a stepped manner on the seamless steel pipe (102), with a spacing of 80mm-120mm between adjacent load-bearing plates, and weight-reducing holes are opened on the surface of the load-bearing plates.

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