Coaxial precooler of cooling tower cooling system

Abstract

The invention belongs to the technical field of cooling towers, particularly relates to a coaxial precooler of a cooling tower cooling system, and aims to solve the problem that the heat exchange efficiency is greatly reduced after a period of time due to the fact that a gas heat exchange mode in the prior art easily causes scaling of the outer wall of a heat source pipeline. A same C-shaped sealing fence is fixed to the periphery of the upper surface of a horizontal plate of the L-shaped main supporting plate, a water storage pond is formed by the C-shaped sealing fence and a vertical plate of the L-shaped main supporting plate, a round hole is formed in the middle of the pond bottom of the water storage pond, a supporting pipe is fixed to the upper portion of the round hole, and a cooling main tower with an upward opening and a barrel-shaped structure on the whole is fixed to the upper portion of the supporting pipe. The same high-heat medium passing mechanism is fixed to the inner portion and the circumferential outer wall of the cooling main tower. According to the invention, scale generated on the outer wall of the cooling main tower can be cleaned in time, and the air inlet pipe I spirally arranged on the outer wall of the cooling main tower can be pre-cooled under the action of spray water, so that the overall cooling efficiency is improved.

Description

Technical Field

[0001] The invention relates to the technical field of cooling towers, in particular to a coaxial precooler of a cooling tower cooling system. Background Art

[0002] The cooling tower used in general industry is a kind of equipment that uses the contact between water and air to dissipate the waste heat generated in industry or refrigeration and air conditioning through evaporation. In the heat dissipation process, water resources are wasted, and the gas generated in some chemical production cannot come into direct contact with water, which may pollute the cooling water or react chemically with water to change the chemical properties of the gas. Therefore, a gas cooling tower suitable for chemical production is needed.

[0003] After searching, it is found that the gas cooling towers in the prior art directly pass the gas-containing pipes through coils or in a zigzag structure to shuttle through the cooling medium to achieve the purpose of heat exchange. Although this method has a good heat exchange effect, it has the following disadvantages, namely, it is necessary to continuously inject new cooling water, and the gas pipeline has a complex internal structure. Once scale is formed on the surface, it is difficult to clean, which will lead to thickening of the wall thickness and gradually lose the good heat exchange effect. Therefore, we propose a new coaxial precooler to solve this type of drawbacks. Summary of the invention

[0004] In view of the technical problem that the gas heat exchange method in the prior art easily causes scaling on the outer wall of the heat source pipeline, which greatly reduces the heat exchange efficiency after a period of time, the present invention adopts the following technical solution: A coaxial precooler of a cooling tower cooling system comprises an L-shaped main support plate, a C-shaped sealing enclosure is fixed on the periphery of the upper surface of the horizontal plate of the L-shaped main support plate, the C-shaped sealing enclosure and the vertical plate of the L-shaped main support plate form a water storage tank, characterized in that a circular hole is opened in the middle of the bottom of the water storage tank, and a support pipe is fixed above the circular hole, a cooling main tower with an opening upward and an overall barrel-shaped structure is fixed above the support pipe, the interior and circumferential outer wall of the cooling main tower are fixed with the same high-heat medium passing mechanism, the high-heat medium passing mechanism comprises a straight tube that is sealed and plugged into the bottom of the cooling main tower barrel and extends vertically upward and downward, a corrosion-resistant expanded diameter tube is fixed on the top of the straight tube, and a plurality of convex hollow ribs distributed at equal intervals are reserved on the circumferential outer wall of the corrosion-resistant expanded diameter tube; a U-shaped tube is fixed to the bottom end of the straight tube, and an air inlet tube extending upward in a spiral shape is fixed to the end of the U-shaped tube away from the straight tube. Tube 1, the air inlet pipe 1 is tightly wound on the circumferential outer wall of the cooling main tower; a one-way valve 1 that can only discharge water from the inside of the cooling main tower is inserted near the bottom of the circumferential outer wall of the cooling main tower, and a sprinkler mechanism is provided at the water outlet of the one-way valve 1, and the water outlet of the sprinkler mechanism faces the outer wall of the cooling main tower; the outer wall of the corrosion-resistant expanded diameter tube is slidably connected with a folding flow mechanism; and the folding flow mechanism includes guide plates slidably connected to the outer wall of the corrosion-resistant expanded diameter tube and parallel to each other; by providing a corrosion-resistant expanded diameter tube with an outwardly convex hollow rib 1 on the outer wall, not only can the contact area with the cooling water be increased during cooling, but also the stroke of the gas in the cooling main tower will not be increased, and the scale generated on the outer wall can be cleaned in time with the guide plate that slides back and forth on its outer wall, and the air inlet pipe 1 spirally arranged on the outer wall of the cooling main tower can be pre-cooled under the action of spraying water, thereby improving the overall cooling efficiency.

[0005] A further arrangement is that the sprinkler mechanism includes a pressure-resistant delivery pipe which is inserted into a water outlet of the one-way valve and bends upward, and a T-shaped diverter pipe is fixed to the top of the pressure-resistant delivery pipe, which is divided into two sides. Self-locking screw holes with openings facing the front are opened on the circumferential outer walls at both ends of the T-shaped diverter pipe, and jet nozzles are screwed into the two self-locking screw holes, and the ends of the jet nozzles are inclined toward the left and right sides of the cooling main tower close to the upper half.

[0006] A further configuration is that an atomizing nozzle is provided at one end of the jet nozzle away from the T-shaped diverter pipe, and the atomizing nozzle can adjust the final spraying area by rotating adjustment; the spraying area can be adjusted by coordinating the atomizing nozzle with the self-locking screw hole, and then more areas of the outer wall of the intake pipe can be covered, thereby improving the pre-cooling effect.

[0007] A further arrangement is that a one-way valve 2 is inserted into the circumferential outer wall of the cooling main tower near the top, and the internal structure of the one-way valve 2 and the one-way valve 1 is the same, the one-way valve 2 is located on the side away from the one-way valve 1, and the liquid flowing through the one-way valve 2 can only enter the interior of the cooling main tower from the other end; a pumping pipe extending downward to the bottom of the water storage tank is sleeved at the inlet of the one-way valve 2; the one-way valve 1 includes an outer pipe column with an internal cavity and an overall cylindrical structure, and an inlet pipe and an outlet pipe are respectively inserted into the two ends of the outer pipe column, a sealing ring is embedded in the end of the inlet pipe close to the center of the outer pipe column, and a spring baffle is fixed to the end of the circumferential inner wall of the outer pipe column close to the outlet pipe, a clamping spring is fixed to the end of the spring baffle close to the inlet pipe, and a single-sided soft baffle is fixed to the end of the clamping spring away from the spring baffle; and the side of the single-sided soft baffle close to the inlet pipe is a rubber layer; through such an arrangement, the sealing and anti-return effects can be improved, and its one-way interception function can be increased.

[0008] A further configuration is that a top cover is fixed at the top barrel mouth of the cooling main tower, and two sealed bearings are embedded on the surface of the top cover and are symmetrically distributed with respect to the center. Two parallel and vertically downwardly extending suction and pressure push rods are slidably connected in the two sealed bearings, and the two suction and pressure push rods pass through all the guide plates and are welded together with the guide plates; the circumferential outer walls of the two suction and pressure push rods are sleeved and fixed with the same piston plate near the top ends, and under the action of the piston plate, the overall cooling main tower is similar to a piston water pumping mechanism, and the circumferential outer wall of the piston plate is sleeved with a sealing clamp ring; the same C-shaped lifting and pressure rod is fixed between the top ends of the two suction and pressure push rods; the guide plates are all distributed in an inclined shape, and the long axis ends of the guide plates are opened with water-passing cuts, and the water-passing cuts on the two adjacent guide plates are respectively located at different ends.

[0009] A further configuration is that six claws are provided in the middle of the guide plate through sliding holes, and a sliding fit is formed between the inner wall of the six claws through the sliding holes and the outer wall of the corrosion-resistant expanded diameter tube and the outer wall of the outwardly protruding hollow ribs, and bristles are provided on the inner wall of the six claws through the sliding holes, a cold air outlet pipe 2 is inserted near the top of the circumferential outer wall of the corrosion-resistant expanded diameter tube, and a sealing end cover is fixed on the top of the corrosion-resistant expanded diameter tube; by providing bristles on the inner wall of the six claws through the sliding holes, the outer wall of the corrosion-resistant expanded diameter tube can be cleaned when the guide plate slides up and down, and the guide plate moving up and down can stir the cooling water inside.

[0010] A further configuration is that an A-shaped bracket is fixed to the top of the vertical plate of the L-shaped main support plate, and a reduction motor is fixed to the top of the A-shaped bracket, a rotating wheel is fixed to the top of the output shaft of the reduction motor, and a connecting rod is rotatably connected to the side of the rotating wheel near the circumferential edge on the side away from the reduction motor, and one end of the connecting rod away from the rotating wheel is hinged to the side of the C-shaped lifting and pressing rod; through the arranged reduction motor and connecting rod, the piston plates on the outer walls of the two suction and pressing push rods and the folded circulation mechanism can be driven to move up and down continuously, thereby realizing the stirring and suction actions of the internal cooling water to be carried out simultaneously.

[0011] A further configuration is that two support blocks are fixed to the inner wall of the C-shaped sealing enclosure near the top, and the two support blocks are located on the side away from the vertical plate of the L-shaped main support plate, and the same water retaining cover is fixed to the top of the two support blocks, the water retaining cover has an overall arc-shaped mesh structure, and the opening of the water retaining cover faces the cooling main tower; the axis of the cooling main tower is parallel to the axis of the cooling main tower; by forming a semi-enclosed water retaining cover on the outer wall of the cooling main tower, it can effectively prevent cooling water from splashing due to spraying and reduce the waste of water resources.

[0012] A further configuration is that a strip notch is opened at the top of the vertical plate of the L-shaped main support plate, and a ventilation narrow tube is clamped in the strip notch, the aperture of one end of the ventilation narrow tube close to the cooling main tower is smaller than the aperture of the other end, and ordinary bearings are embedded on both sides of the ventilation narrow tube, a rotating shaft is rotatably connected in the two ordinary bearings, and the same fan motor is fixed between the two rotating shafts, and a heat dissipation fan is fixed to the output shaft end of the fan motor; by setting the heat dissipation fan at the mouth of the ventilation narrow tube, the heat dissipation on the surface of the spiral air inlet pipe can be accelerated.

[0013] A further arrangement is that a crossbeam plate is reserved in the middle of the A-shaped bracket, and a vertical extended wear-resistant sliding tube is embedded on the crossbeam plate, the interior of the extended wear-resistant sliding tube is slidably connected with a vertical toothed round rod, and the top of the toothed round rod is fixed with a cantilever pressure rod connected to the C-shaped lifting and pressure rod; a horizontal bearing hole is opened on the side of the A-shaped bracket, and two mutually symmetrical radial bearings are embedded in the bearing holes, and the same horizontal transmission rod 1 extending left and right is inserted between the two radial bearings, and the end of the transmission rod 1 close to the center position of the A-shaped bracket is key-connected with a driven half gear, and the driven half gear and the toothed round rod are meshed with each other; a driving pulley is fixed on the end of the transmission rod 1 away from the driven half gear; and a driven pulley is fixed on the end of the rotating shaft close to the driving pulley side, and the same transmission belt is wound between the circumferential outer walls of the driven pulley and the driving pulley.

[0014] The beneficial effects of the present invention are: 1. By setting up a corrosion-resistant expanded pipe with convex hollow ribs on the outer wall, not only can the contact area with the cooling water be increased during cooling, but also the gas stroke in the cooling main tower will not be increased. With the guide plate that slides back and forth on the outer wall, the scale generated on the outer wall can be cleaned in time. The air inlet pipe spirally arranged on the outer wall of the cooling main tower can be pre-cooled under the action of spray water, thereby improving the overall cooling efficiency.

[0015] 2. By setting the jet nozzle with the nozzle direction obliquely upward, when in use, not only can the external hot flowing water be discharged normally for air heat dissipation, but also most of the heat of the outer wall of the intake pipe can be taken away after evaporation.

[0016] 3. Due to the staggered water-passing cuts and the guide plate that can be moved up and down as a whole, it can be ensured that after the water flows into the cooling main tower from the top, it will slowly descend in a zigzag shape, so that the cooling water can fully contact the outer wall of the corrosion-resistant expanded tube for a long time, thereby improving the heat exchange and heat absorption effect.

[0017] 4. By setting the reciprocating motion driven by the toothed round rod, the heat dissipation fan can alternately blow air to cool the upper and lower ends of the outer wall of the cooling main tower during operation, thereby achieving a uniform cooling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of a coaxial precooler of a cooling tower cooling system proposed by the present invention; Figure 2 This is a schematic diagram of the overall structure of a coaxial precooler of a cooling tower cooling system proposed by the present invention after removing the water retaining cover; Figure 3 A side view of a coaxial precooler of a cooling tower cooling system proposed by the present invention; Figure 4 A top view of a coaxial precooler of a cooling tower cooling system proposed by the present invention; Figure 5 A coaxial precooler for a cooling tower cooling system proposed by the present invention Figure 4 Schematic diagram of the cross-sectional structure along line AA; Figure 6 A schematic diagram of the three-dimensional structure of a high-heat medium passing mechanism in a coaxial precooler of a cooling tower cooling system proposed by the present invention; Figure 7 A schematic diagram of the driving structure of an external heat dissipation mechanism in a coaxial precooler of a cooling tower cooling system proposed by the present invention; Figure 8 A schematic diagram of the three-dimensional structure of a folded flow mechanism in a coaxial precooler of a cooling tower cooling system proposed by the present invention; Fig. 9This is a schematic diagram of the explosion structure of a corrosion-resistant expanded diameter pipe in a coaxial precooler of a cooling tower cooling system proposed by the present invention; Fig.10 The present invention provides a schematic cross-sectional structural diagram of a T-shaped flow divider and a one-way valve in a coaxial precooler of a cooling tower cooling system.

[0019] In the figure: 1. L-shaped main support plate; 2. jet nozzle; 201. atomizing nozzle; 3. T-shaped diverter pipe; 4. ventilation narrow pipe; 5. rotating shaft; 6. A-shaped bracket; 7. cooling fan; 8. driven half gear; 9. cantilever pressure rod; 10. reduction motor; 11. runner; 12. connecting rod; 13. C-shaped lifting and pressure rod; 14. pumping and pressure ejector rod; 15. cooling main tower; 16. air inlet pipe 1; 17. one-way valve 2; 18. cold air outlet pipe 2; 19. water shield; 1901. support block; 20. C-shaped sealing enclosure; 21. pressure-resistant conveying pipe; 22 , water suction pipe; 23, transmission rod 1; 24, driving pulley; 25, transmission belt; 26, one-way valve 1; 27, U-shaped pipe; 2701, straight pipe; 28, corrosion-resistant expanded pipe; 2801, outward convex hollow rib; 2802, sealing end cover; 29, guide plate; 2901, water-through cutout; 2902, six-claw sliding hole; 30, fan motor; 31, piston plate; 32, support pipe; 33, toothed round rod; 34, sealed bearing; 35, inlet pipe; 36, single-sided soft baffle; 37, spring baffle; 38, self-locking screw hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0021] In this embodiment, refer to Figure 1-10A coaxial precooler of a cooling tower cooling system comprises an L-shaped main support plate 1, a C-shaped sealing enclosure 20 is fixed on the periphery of the upper surface of the horizontal plate of the L-shaped main support plate 1, the C-shaped sealing enclosure 20 and the vertical plate of the L-shaped main support plate 1 constitute a water storage tank, a circular hole is opened in the middle of the bottom of the water storage tank, and a support pipe 32 is fixed above the circular hole, a cooling main tower 15 with an opening upward and an overall barrel-shaped structure is sealed and fixed above the support pipe 32, a high-heat medium passing mechanism is fixed to the interior and the circumferential outer wall of the cooling main tower 15, the high-heat medium passing mechanism comprises a straight pipe 2701 which is sealed and plugged into the bottom of the cooling main tower 15 and extends vertically upward and downward, a corrosion-resistant expanded diameter pipe 28 is fixed on the top of the straight pipe 2701, and a plurality of convex hollow ribs 2801 distributed at equal intervals are reserved on the circumferential outer wall of the corrosion-resistant expanded diameter pipe 28, the present invention The outwardly convex hollow rib 2801 in the embodiment is a vertical structure, and can also be a spiral structure; a U-shaped tube 27 is fixed to the bottom end of the straight tube 2701, and an upwardly extending spiral air intake pipe 16 is fixed to the end of the U-shaped tube 27 away from the straight tube 2701, and the air intake pipe 16 is tightly wound around the circumferential outer wall of the cooling main tower 15; it can also be set to be partially embedded. In order to improve the heat exchange effect, a one-way valve 26 that can only discharge water from the inside of the cooling main tower 15 to the outside is inserted near the bottom of the circumferential outer wall of the cooling main tower 15, and a sprinkler mechanism is provided at the water outlet of the one-way valve 26, and the water outlet of the sprinkler mechanism faces the outer wall of the cooling main tower 15; the outer wall of the corrosion-resistant expanded diameter tube 28 is slidably connected to a folded circulation mechanism; and the folded circulation mechanism includes guide plates 29 slidably connected to the outer wall of the corrosion-resistant expanded diameter tube 28 and parallel to each other; Specifically, by providing a corrosion-resistant expanded tube 28 with outwardly protruding hollow ribs 2801 on the outer wall, not only can the contact area with the cooling water be increased during cooling, but also the travel of the gas in the cooling main tower 15 will not be increased. In conjunction with the guide plate 29 that slides back and forth on its outer wall, the scale generated on the outer wall can be cleaned in time. The air inlet pipe 16 spirally arranged on the outer wall of the cooling main tower 15 can be pre-cooled under the action of spray water, thereby improving the overall cooling efficiency.

[0022] In the present invention, the sprinkler mechanism includes a pressure-resistant delivery pipe 21 that is inserted into the water outlet of the one-way valve 26 and bends and extends upward, and a T-shaped diverter pipe 3 that is divided into two sides is fixed to the top of the pressure-resistant delivery pipe 21, and self-locking screw holes 38 with openings facing the front are opened on the outer walls of the two ends of the circumference of the T-shaped diverter pipe 3, and jet nozzles 2 are screwed into the two self-locking screw holes 38, and the ends of the jet nozzles 2 are inclined toward the left and right sides of the cooling main tower 15 close to the upper half; by setting the jet nozzle 2 with the nozzle direction inclined upward, when in use, not only can the externally discharged hot water be normally discharged for air heat dissipation, but also most of the heat of the outer wall of the air intake pipe 16 can be taken away after evaporation.

[0023] Reference Fig.10An atomizing nozzle 201 is arranged at one end of the jet nozzle 2 away from the T-shaped diverter pipe 3, and the atomizing nozzle 201 can adjust the final spraying area by rotating adjustment; by setting the atomizing nozzle 201 in conjunction with the self-locking screw hole 38, the spraying area can be adjusted, and then more areas of the outer wall of the intake pipe 16 can be covered, thereby improving the precooling effect.

[0024] Reference Figure 5 and Fig.10 A one-way valve 217 is inserted into the outer wall of the circumference of the cooling main tower 15 near the top, and the internal structure of the one-way valve 217 and the one-way valve 1 26 is the same. The one-way valve 217 is located on the side away from the one-way valve 1 26, and the liquid flowing through the one-way valve 217 can only enter the interior of the cooling main tower 15 from the other end; the inlet of the one-way valve 217 is sleeved with a pumping pipe 22 extending downward to the bottom of the water storage tank; the one-way valve 1 26 includes an outer pipe column with an internal cavity and an overall cylindrical structure, and the two ends of the outer pipe column are respectively inserted There are an inlet pipe 35 and an outlet pipe, a sealing ring is embedded at one end of the inlet pipe 35 close to the center of the outer pipe column, and a spring baffle 37 is fixed to the end of the circumferential inner wall of the outer pipe column close to the outlet pipe, a clamping spring is fixed to the end of the spring baffle 37 close to the inlet pipe 35, and a single-sided soft baffle 36 is fixed to the end of the clamping spring away from the spring baffle 37; and the side of the single-sided soft baffle 36 close to the inlet pipe 35 is a rubber layer; through such an arrangement, the sealing and anti-return effects can be improved, and its one-way interception function can be increased.

[0025] Reference Figure 1 , Figure 5 and Figure 6 A top cover is fixed at the top barrel mouth of the cooling main tower 15, and two sealing bearings 34 are embedded on the surface of the top cover and are symmetrically distributed with each other. Two parallel and vertically downwardly extending pumping and pressure ejector rods 14 are slidably connected in the two sealing bearings 34. The two pumping and pressure ejector rods 14 pass through all the guide plates 29 and are welded together with the guide plates 29; the circumferential outer walls of the two pumping and pressure ejector rods 14 are sleeved and fixed with the same piston plate 31 near the top. Under the action of the piston plate 31, the whole cooling main tower 15 is similar to a piston pumping and pressure water mechanism, and the active A sealing collar is sleeved on the circumferential outer wall of the plug plate 31; a C-shaped lifting and pressing rod 13 is fixed between the top ends of the two pumping and pressing push rods 14; the guide plates 29 are all distributed in an inclined shape, and the long axis ends of the guide plates 29 are provided with water-passing cutouts 2901, and the water-passing cutouts 2901 on the two adjacent guide plates 29 are respectively located at different ends, thereby ensuring that after the water flows into the cooling main tower 15 from the top, it slowly descends in a zigzag shape, and then the cooling water can fully contact the outer wall of the corrosion-resistant expanded tube 28 for a long time, thereby improving the heat exchange and heat absorption effect.

[0026] Reference Figure 8-Figure 9, a six-claw sliding hole 2902 is opened in the middle of the guide plate 29, and a sliding fit is formed between the inner wall of the six-claw sliding hole 2902 and the outer wall of the corrosion-resistant expanded diameter tube 28 and the outer wall of the outwardly protruding hollow rib 2801, and the inner wall of the six-claw sliding hole 2902 is provided with bristles, and the circumferential outer wall of the corrosion-resistant expanded diameter tube 28 is plugged with a cold air outlet pipe 218 near the top, and a sealing end cover 2802 is fixed to the top of the corrosion-resistant expanded diameter tube 28; by setting the bristles on the inner wall of the six-claw sliding hole 2902, the outer wall of the corrosion-resistant expanded diameter tube 28 can be cleaned when the guide plate 29 slides up and down, and the guide plate 29 moving up and down can stir the internal cooling water.

[0027] Reference Figure 2 An A-shaped bracket 6 is fixed to the top of the vertical plate of the L-shaped main support plate 1, and a reduction motor 10 is fixed to the top of the A-shaped bracket 6, a rotating wheel 11 is fixed to the top of the output shaft of the reduction motor 10, and a connecting rod 12 is rotatably connected to the rotating wheel 11 near the circumferential edge on the side away from the reduction motor 10, and the end of the connecting rod 12 away from the rotating wheel 11 is hinged to the side of the C-shaped lifting and pressing rod 13; through the arranged reduction motor 10 and connecting rod 12, the piston plate 31 on the outer wall of the two suction and pressing push rods 14 and the folded circulation mechanism can be driven to move up and down continuously, thereby realizing the stirring and suction actions of the internal cooling water at the same time.

[0028] Reference Figure 4 Two support blocks 1901 are fixed to the inner wall of the C-shaped sealing enclosure 20 near the top, and the two support blocks 1901 are located on the side away from the vertical plate of the L-shaped main support plate 1, and the same water retaining cover 19 is fixed to the top of the two support blocks 1901. The water retaining cover 19 has an overall arc-shaped mesh structure, and the opening of the water retaining cover 19 faces the cooling main tower 15; the axis line of the cooling main tower 15 is parallel to the axis line of the cooling main tower 15; by forming a semi-enclosed water retaining cover 19 on the outer wall of the cooling main tower 15, it is possible to effectively prevent cooling water from splashing due to spraying and reduce the waste of water resources.

[0029] Reference Figure 2 and Figure 7 A strip notch is provided at the top of the vertical plate of the L-shaped main support plate 1, and a ventilation narrow tube 4 is clamped in the strip notch, the aperture of one end of the ventilation narrow tube 4 close to the cooling main tower 15 is smaller than the aperture of the other end, and ordinary bearings are embedded on both sides of the ventilation narrow tube 4, and a rotating shaft 5 is rotatably connected in the two ordinary bearings, and the same fan motor 30 is fixed between the two rotating shafts 5, and a heat dissipation fan 7 is fixed to the output shaft end of the fan motor 30; by setting the heat dissipation fan 7 at the pipe mouth of the ventilation narrow tube 4, the heat dissipation on the surface of the spiral air inlet pipe 16 can be accelerated.

[0030] Reference Figure 2 and Figure 7A crossbeam plate is reserved in the middle of the A-shaped bracket 6, and a vertical extended wear-resistant sliding tube is embedded on the crossbeam plate. A vertical toothed round rod 33 is slidably connected inside the extended wear-resistant sliding tube, and a cantilever pressure rod 9 connected to the C-shaped lifting and pressing rod 13 is fixed on the top of the toothed round rod 33; a horizontal bearing hole is opened on the side of the A-shaped bracket 6, and two symmetrical radial bearings are embedded in the bearing holes, and the same horizontal transmission rod 23 extending left and right is inserted between the two radial bearings, and the end of the transmission rod 23 close to the center of the A-shaped bracket 6 is key-connected with a driven The driven half gear 8 is meshed with the toothed round rod 33; a driving pulley 24 is fixed to the end of the transmission rod 23 away from the driven half gear 8; and a driven pulley is fixed to the end of the rotating shaft 5 close to the driving pulley 24, and the same transmission belt 25 is wound between the circumferential outer walls of the driven pulley and the driving pulley 24; the reciprocating motion driven by the toothed round rod 33 can allow the heat dissipation fan 7 to alternately blow air to cool the upper and lower ends of the outer wall of the cooling main tower 15 during operation, thereby achieving a uniform cooling effect.

[0031] When the device is in use, first ensure that the coolant inside the cooling main tower 15 is fully loaded. When it needs to be replenished, it can be refilled from the filling hole on the top cover. Secondly, ensure that the liquid level in the water tank is kept near 90% of the water level for the best; then start the reduction motor 10 at the top of the A-shaped bracket 6, and introduce the gas to be cooled from the inlet of the air inlet pipe 16; at this time, driven by the runner 11 and the connecting rod 12, the two pumping and pressing rods 14 inside the cooling main tower 15 begin to move up and down slowly, and carry the piston plate 31 and the folding circulation mechanism to move up and down at the same time. At this time, the liquid in the water tank is pumped into the water tank through the pumping pipe 22, and the cooling The cooling water is sprayed out from the one-way valve 26 through the two jet nozzles 2 in the sprinkler mechanism and sprayed on the surface of the air inlet pipe 16 spirally attached to the outer wall of the cooling main tower 15. If accelerated cooling is required, the fan motor 30 only needs to be turned on. At this time, the toothed round rod 33 is provided to drive the reciprocating motion, so that the heat dissipation fan 7 can alternately blow air to cool the upper and lower ends of the outer wall of the cooling main tower 15 during operation, thereby achieving a uniform cooling effect. At the same time, the bristles arranged on the inner wall of the six-claw sliding hole 2902 can clean the outer wall of the corrosion-resistant expanded tube 28 while the guide plate 29 slides up and down, and the guide plate 29 moving up and down can stir the cooling water inside.

[0032] The above is only a preferred specific implementation of a coaxial precooler for a cooling tower cooling system proposed by the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, can make equivalent replacements or changes, which should be covered within the protection scope of the present invention.

Claims

1. A coaxial precooler for a cooling tower cooling system, comprising an L-shaped main support plate (1), wherein a C-shaped sealing enclosure (20) is fixed around the upper surface of the horizontal plate of the L-shaped main support plate (1), wherein the C-shaped sealing enclosure (20) and the vertical plate of the L-shaped main support plate (1) form a water storage tank, characterized in that: A circular hole is opened in the middle of the bottom of the water storage tank, and a support pipe (32) is fixed above the circular hole. A cooling main tower (15) with an opening upward and an overall barrel-shaped structure is fixed above the support pipe (32). The interior and the circumferential outer wall of the cooling main tower (15) are fixed with a same high-heat medium passing mechanism. The high-heat medium passing mechanism comprises a straight pipe (2701) sealed and plugged into the barrel bottom of the cooling main tower (15) and extending vertically upward and downward. A corrosion-resistant expanded diameter pipe (28) is fixed to the top of the straight pipe (2701), and the circumferential outer wall of the corrosion-resistant expanded diameter pipe (28) is reserved with a plurality of convex hollow ribs (2801) distributed at equal intervals. The bottom end of the straight pipe (2701) is provided with a plurality of convex hollow ribs (2801) distributed at equal intervals. A U-shaped tube (27) is fixed, and an air intake pipe (16) extending upward in a spiral shape is fixed at one end of the U-shaped tube (27) away from the straight tube (2701), and the air intake pipe (16) is tightly wound around the circumferential outer wall of the cooling main tower (15); a one-way valve (26) is inserted into the circumferential outer wall of the cooling main tower (15) near the bottom end, and a sprinkler mechanism is provided at the water outlet of the one-way valve (26), and the water outlet of the sprinkler mechanism faces the outer wall of the cooling main tower (15); a folded circulation mechanism is slidably connected to the outer wall of the corrosion-resistant expanded diameter tube (28); and the folded circulation mechanism includes guide plates (29) slidably connected to the outer wall of the corrosion-resistant expanded diameter tube (28) and parallel to each other.

2. A coaxial precooler for a cooling tower cooling system according to claim 1, characterized in that: The watering mechanism comprises a pressure-resistant delivery pipe (21) inserted at the water outlet of the one-way valve (26) and extending upward in a curved manner, and a T-shaped diverter pipe (3) is fixed to the top of the pressure-resistant delivery pipe (21) and is divided into two sides, and self-locking screw holes (38) with openings facing the front are opened on the outer walls of the two ends of the T-shaped diverter pipe (3), and jet nozzles (2) are screwed into the two self-locking screw holes (38), and the ends of the jet nozzles (2) are inclined toward the left and right sides of the cooling main tower (15) close to the upper half.

3. A coaxial precooler for a cooling tower cooling system according to claim 2, characterized in that: An atomizing nozzle (201) is provided at one end of the jet nozzle (2) away from the T-shaped flow dividing pipe (3); the atomizing nozzle (201) can adjust the final spraying area by rotating.

4. A coaxial precooler for a cooling tower cooling system according to claim 1, characterized in that: A second one-way valve (17) is inserted into the outer circumferential wall of the cooling main tower (15) near the top, and the internal structure of the second one-way valve (17) and the first one-way valve (26) is the same, the second one-way valve (17) is located on the side away from the first one-way valve (26), and the liquid flowing through the second one-way valve (17) can only enter the interior of the cooling main tower (15) from the other end; the inlet of the second one-way valve (17) is sleeved with a water pump (22) extending downward to the bottom of the water storage tank; the first one-way valve (26) includes an internal cavity and is cylindrical in shape as a whole An outer tube column of a shaped structure is provided, and an inlet tube (35) and an outlet tube are respectively inserted at both ends of the outer tube column, a sealing ring is embedded in one end of the inlet tube (35) close to the center of the outer tube column, and a spring baffle (37) is fixed to one end of the circumferential inner wall of the outer tube column close to the outlet tube, a holding spring is fixed to one end of the spring baffle (37) close to the inlet tube (35), and a single-sided soft-surface baffle (36) is fixed to one end of the holding spring away from the spring baffle (37); and a rubber layer is provided on one side of the single-sided soft-surface baffle (36) close to the inlet tube (35).

5. A coaxial precooler for a cooling tower cooling system according to claim 4, characterized in that: A top cover is fixed at the top barrel mouth of the cooling main tower (15), and a filling hole is provided on the top cover. Two sealing bearings (34) are embedded on the surface of the top cover and are symmetrically distributed with respect to each other. Two suction and pressure ejector rods (14) that are parallel to each other and extend vertically downward are slidably connected in the two sealing bearings (34). The two suction and pressure ejector rods (14) pass through all the guide plates (29) and are welded to the guide plates (29). The circumferential outer walls of the two suction and pressure ejector rods (14) are sleeved and fixed with a same piston plate (31) near the top ends, and the circumferential outer walls of the piston plates (31) are sleeved with a sealing clamp ring. The same C-shaped lifting and pressure rod (13) is fixed between the top ends of the two suction and pressure ejector rods (14). The guide plates (29) are all distributed in an inclined shape, and the long axis ends of the guide plates (29) are each provided with a water-passing notch (2901), and the water-passing notches (2901) on the two adjacent guide plates (29) are respectively located at different ends.

6. A coaxial precooler for a cooling tower cooling system according to claim 5, characterized in that: The guide plate (29) is provided with a six-claw sliding hole (2902) in the middle thereof, and a sliding fit is formed between the inner wall of the six-claw sliding hole (2902) and the outer wall of the corrosion-resistant expanded diameter tube (28) and the outer wall of the outwardly protruding hollow rib (2801), and bristles are arranged on the inner wall of the six-claw sliding hole (2902), a cold air outlet pipe 2 (18) is inserted into the circumferential outer wall of the corrosion-resistant expanded diameter tube (28) near the top, and a sealing end cover (2802) is fixed to the top of the corrosion-resistant expanded diameter tube (28).

7. A coaxial precooler for a cooling tower cooling system according to claim 6, characterized in that: An A-shaped bracket (6) is fixed to the top of the vertical plate of the L-shaped main support plate (1), and a reduction motor (10) is fixed to the top of the A-shaped bracket (6). A rotating wheel (11) is fixed to the top of the output shaft of the reduction motor (10), and a connecting rod (12) is rotatably connected to the rotating wheel (11) near the circumferential edge on the side of the rotating wheel (11) away from the reduction motor (10), and one end of the connecting rod (12) away from the rotating wheel (11) is hinged to the side of the C-shaped lifting and pressing rod (13).

8. A coaxial precooler for a cooling tower cooling system according to claim 1, characterized in that: Two support blocks (1901) are fixed to the inner wall of the C-shaped sealing enclosure (20) near the top, and the two support blocks (1901) are located on a side away from the vertical plate of the L-shaped main support plate (1), and the top of the two support blocks (1901) is fixed with the same water retaining cover (19), the water retaining cover (19) is an overall arc-shaped mesh structure, and the opening of the water retaining cover (19) faces the cooling main tower (15); the axis of the cooling main tower (15) is parallel to the axis of the cooling main tower (15).

9. A coaxial precooler for a cooling tower cooling system according to claim 8, characterized in that: The top of the vertical plate of the L-shaped main support plate (1) is provided with a strip-shaped notch, and a ventilation narrow tube (4) is clamped in the strip-shaped notch, the aperture of one end of the ventilation narrow tube (4) close to the cooling main tower (15) is smaller than the aperture of the other end, and ordinary bearings are embedded on both sides of the ventilation narrow tube (4), and a rotating shaft (5) is rotatably connected to the two ordinary bearings, and the same fan motor (30) is fixed between the two rotating shafts (5), and a heat dissipation fan (7) is fixed to the output shaft end of the fan motor (30).

10. A coaxial precooler for a cooling tower cooling system according to claim 9, characterized in that: A crossbeam plate is reserved in the middle of the A-shaped bracket (6), and a vertical extended wear-resistant sliding tube is embedded in the crossbeam plate. A vertical toothed round rod (33) is slidably connected inside the extended wear-resistant sliding tube, and a cantilever pressure rod (9) connected to the C-shaped lifting and pressing rod (13) is fixed to the top of the toothed round rod (33); a horizontal bearing hole is opened on the side of the A-shaped bracket (6), and two symmetrical radial bearings are embedded in the bearing hole, and the same horizontal transmission rod (11) extending left and right is inserted between the two radial bearings. 23), a driven half gear (8) is key-connected to one end of the transmission rod (23) near the center of the A-shaped bracket (6), and the driven half gear (8) and the toothed round rod (33) are meshed with each other; a driving pulley (24) is fixed to one end of the transmission rod (23) away from the driven half gear (8); and a driven pulley is fixed to the end of the rotating shaft (5) near the driving pulley (24), and a same transmission belt (25) is wound between the circumferential outer walls of the driven pulley and the driving pulley (24).

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