CN117781518A - Concurrent flow combined type cooling condenser - Google Patents

Concurrent flow combined type cooling condenser Download PDF

Info

Publication number
CN117781518A
CN117781518A CN202311830808.8A CN202311830808A CN117781518A CN 117781518 A CN117781518 A CN 117781518A CN 202311830808 A CN202311830808 A CN 202311830808A CN 117781518 A CN117781518 A CN 117781518A
Authority
CN
China
Prior art keywords
heat exchange
water
cooling
exchange tube
heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311830808.8A
Other languages
Chinese (zh)
Inventor
彭鹏
杨程建
杨宁
张家洪
刘帅
朱小军
柴晟煜
马云露
徐斌
李辉
王梁
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Wanxiang Technology Co ltd
Original Assignee
Zhejiang Wanxiang Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Wanxiang Technology Co ltd filed Critical Zhejiang Wanxiang Technology Co ltd
Priority to CN202311830808.8A priority Critical patent/CN117781518A/en
Publication of CN117781518A publication Critical patent/CN117781518A/en
Pending legal-status Critical Current

Links

Landscapes

  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The invention relates to a concurrent flow combined type cooling condenser, which comprises a heat exchanger arranged in a condenser shell and a flow guiding mechanism arranged on the heat exchanger, wherein the flow guiding mechanism comprises a cooling component arranged on one side of a heat exchange tube and used for forming a water film, a cleaning component arranged on the other side of the heat exchange tube and used for cleaning the outer wall of the heat exchange tube, a replacement component arranged on a filling side plate and a mixed flow component arranged in the heat exchange tube and used for mixing fluid; the invention can limit the thickness of the water film formed by the spray water on the outer wall of the heat exchange tube, collect the water vapor generated by the water film and take away and discharge, thereby improving the cooling effect of the water film, and can supplement water to the evaporated water film by using redundant spray water, thereby ensuring the uniform overall thickness of the water film, and solving the technical problems that the existing condenser is difficult to control the thickness of the water film, the overall thickness of the water film is uneven, and the redundant spray water loses the cooling effect on the heat exchange tube, thereby influencing the heat exchange effect.

Description

Concurrent flow combined type cooling condenser
Technical Field
The invention relates to the technical field of condensers, in particular to a concurrent composite cooling condenser.
Background
Depending on the cooling medium and the cooling mode, commonly used condensers can be generally classified into water-cooled type, air-cooled type and evaporative type. The evaporating condenser uses spray water as cooling medium, water forms water film outside the coil pipe, exchanges heat with process fluid in the coil pipe, absorbs heat, increases temperature, and forms water vapor by partial cooling water vaporization, the water is vaporized to take away a large amount of heat, the heat is blown out by a fan and discharged into the atmosphere, and redundant water on the heat exchanger is collected in a water collecting tank and recycled through a water pump and a return pipe. The working process of the evaporative condenser mainly depends on the evaporation heat transfer of a water film, the heat transfer resistance can be increased due to the fact that the water film is too thick, the water film is too thin, dry wall is easy to appear, scale formation is caused, and the thickness of the water film is reasonably controlled to have great influence on the performance of the evaporative condenser.
Patent document CN201420361332.8 discloses a concurrent evaporative condenser, which is characterized in that a ventilation window is processed at the top of a box body, a condensing chamber is arranged at the position, opposite to the ventilation window, of the upper part of an inner cavity of the box body, a dehydrator is arranged at one side of the condensing chamber, a fan is arranged at the position of an exhaust port above the dehydrator, a spray pipe is arranged right above the condensing chamber, a cooling filler is arranged right below the condensing chamber, a spray head is arranged at the water outlet end of the spray pipe, a partition plate opposite to the dehydrator is spliced at one side of the cooling filler, and a shutter is arranged at the lower side of the cooling filler; the lower side of the bottom shutter of the box body is provided with a water collecting tank which is communicated with a circulating water pump, and the circulating water pump is communicated with a spray water pipe.
However, in the actual use process, the inventor finds that the spray water forms a water film on the outer wall of the heat exchange tube so as to achieve the cooling effect, but the thickness of the water film is not easy to control, the thickness of the water film is continuously reduced along with the evaporation of the water film, the whole thickness of the water film is uneven, and the problem that the cooling effect on the heat exchange tube is lost due to the fact that the redundant spray water outside the water film is formed, so that the heat exchange effect is affected is solved.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, the thickness of a water film formed by spray water on the outer wall of a heat exchange tube can be limited by matching the flow guide mechanism and the heat exchanger, the thermal resistance of the water film can be reasonably controlled, the water vapor generated by the water film can be collected and taken away to be discharged, the heat exchange with the water film can be carried out, the heat of the water film is transferred, the cooling effect of the water film on the fluid in the heat exchange tube is improved, the redundant spray water can be collected to absorb the water vapor generated by the water film, the redundant spray water can be used for supplementing the evaporated water film, and the uniform thickness of the water film is ensured, so that the technical problems that the thickness of the water film is not easy to control, the thickness of the water film is continuously reduced along with the evaporation of the water film, the whole thickness of the water film is uneven, and the redundant spray water outside the formed water film loses the cooling effect on the heat exchange tube, and the heat exchange effect is affected are solved.
Aiming at the technical problems, the technical scheme is as follows:
the concurrent composite cooling condenser comprises a heat exchanger arranged in a condenser shell and a flow guiding mechanism arranged on the heat exchanger;
the heat exchanger comprises a plurality of groups of heat exchange pipes which are respectively distributed in a serpentine shape downwards, and two groups of filling side plates which are arranged in the condenser shell and are used for supporting the heat exchange pipes;
the flow guiding mechanism comprises a cooling component, a cleaning component, a replacement component and a mixed flow component, wherein the cooling component is arranged on one side of the heat exchange tube and used for forming a water film, the cleaning component is arranged on the other side of the heat exchange tube and used for cleaning the outer wall of the heat exchange tube, the replacement component is arranged on the filling side plate and used for switching the positions of the cooling component and the cleaning component, and the mixed flow component is arranged inside the heat exchange tube and used for mixing fluid.
Preferably, the exchange assembly comprises a plurality of groups of sleeves which are communicated and rotatably arranged on the filling side plate and respectively sleeved on the heat exchange tubes, a transposition gear which is arranged at the end part of the sleeve and is meshed with each other, a double-shaft motor which is arranged on one filling side plate, and a driving gear which is arranged on one output shaft of the double-shaft motor and is used for driving the transposition gear, wherein the plurality of groups of sleeves which are arranged in the horizontal direction synchronously rotate through the mutually meshed transposition gears, and the sleeves which are arranged in the vertical direction synchronously rotate through the first belt transmission unit.
Preferably, the cooling assembly comprises two groups of rotating rollers which are arranged between the opposite sides of the transposition gears, a heat exchange belt which is arranged between the two rotating rollers and is wrapped on one side of the heat exchange tube in a clearance mode, a plurality of groups of shaping wheels which are arranged on the sides of the transposition gears and are used for shaping the whole heat exchange belt to be in an arc-shaped state, a plurality of groups of buckling grooves which are formed on the heat exchange belt and are used for collecting water vapor on a water film, a stepping motor which is arranged on one side of the transposition gears and is used for driving the rotating rollers to work with the heat exchange belt, a first heat conduction arc plate which is arranged between the opposite sides of the transposition gears and is positioned on the outer side of the heat exchange belt and is used for collecting redundant spray water, a water supplementing hole which is formed on the heat exchange belt and is used for supplementing the spray water to the water film, and a plurality of groups of triangular blocks which are arranged on the inner wall of the first heat conduction arc plate and are used for guiding the spray water to the water supplementing hole, and the clearance between the heat exchange belt and the outer wall of the heat exchange tube is equal to the thickness of the spray water film formed on the outer wall of the heat exchange tube.
Preferably, the cleaning and brushing assembly comprises a second heat conduction arc plate, two groups of inclined guide plates, a strip suction nozzle, a suction machine and a brush, wherein the second heat conduction arc plate is arranged between the opposite side surfaces of the transposition gears and is positioned on the other side of the heat exchange tube, the two groups of inclined guide plates are respectively and correspondingly arranged at two ends of the second heat conduction arc plate and are in contact with the outer wall of the heat exchange tube, spray water is guided to the cooling assembly, the strip suction nozzle is arranged between the opposite side surfaces of the transposition gears and is used for sucking residual water on the outer wall of the heat exchange tube, the suction machine is installed on the second heat conduction arc plate in a penetrating mode and is communicated with the strip suction nozzle, and the brush is arranged on the second heat conduction arc plate through a hanging rod and is used for cleaning dirt on the outer wall of the heat exchange tube.
Preferably, the mixed flow assembly comprises two groups of rings which are rotatably arranged inside the heat exchange tube, thread strips which are arranged between the side surfaces of the two rings and are in contact with the inner wall of the heat exchange tube, a first magnet block which is inlaid on the outer wall of the rings, and a second magnet block which is arranged on the inclined guide plate and is magnetically attracted with the first magnet block.
Preferably, the flow guiding mechanism further comprises a flow guiding component arranged between the two filling side plates, and the flow guiding component is used for guiding water discharged by the cooling component of the upper layer heat exchange tube into the cooling component of the lower layer heat exchange tube;
the drainage assembly comprises a plurality of groups of drainage channels which are arranged between the filling side plates in a rotating mode through a rotating shaft, a plurality of groups of drainage channels which are arranged inside the drainage channels in a rotating mode and blades arranged on the shafts, the drainage channels which are arranged in the horizontal direction are synchronously rotated through a second belt transmission unit, and the drainage channels which are arranged in the vertical direction are synchronously rotated through a third belt transmission unit.
Preferably, the condenser shell is internally provided with a pre-cooling assembly, the pre-cooling assembly comprises a plurality of groups of U-shaped pre-cooling pipes which are horizontally arranged in the condenser shell and one ends of which are respectively communicated with the heat exchange pipes, a fluid inlet pipe which is arranged at the other ends of the U-shaped pre-cooling pipes and extends to the outside of the condenser shell, a plurality of groups of radiating fins which are arranged on the outer wall of the U-shaped pre-cooling pipes, and an air cooler which is arranged at the top of the condenser shell, and the tail ends of the heat exchange pipes are provided with fluid outlet pipes.
Preferably, a spraying assembly is further arranged in the condenser shell, and the spraying assembly is positioned between the precooling assembly and the heat exchanger;
the spray assembly comprises two groups of hollow laths symmetrically arranged on the inner wall of the shell of the condenser, a plurality of groups of water distribution pipes which are communicated with each other and are rotatably arranged between the two hollow laths and are respectively positioned above the heat exchange pipes, spray heads obliquely arranged at the bottoms of the water distribution pipes, transmission gears arranged at the ends of the water distribution pipes and meshed with each other, racks horizontally sliding on the hollow laths and used for driving the transmission gears, an eccentric wheel arranged on the other output shaft of the double-shaft motor, a limiting ring groove formed in the outer wall of the eccentric wheel, and L-shaped connecting rods arranged on the racks and with one ends in sliding fit with the limiting ring groove.
Preferably, one water distribution pipe drives one drainage channel to synchronously rotate through a fourth belt transmission unit.
Preferably, a reflux assembly is further arranged on the outer wall of the condenser shell and used for pumping cooling water at the bottom of the condenser shell back to the spraying assembly;
the reflux assembly comprises a reflux pipe which is arranged at the bottom of the condenser shell and one end of which is communicated with the hollow slat of the spray assembly, and a reflux pump which is arranged on the reflux pipe.
The invention has the beneficial effects that:
(1) According to the invention, the flow guide mechanism is matched with the heat exchanger, so that on one hand, the thickness of a water film formed by spray water on the outer wall of the heat exchange tube can be limited, the thermal resistance of the water film can be reasonably controlled, water vapor generated by the water film can be collected and taken away for discharge, heat exchange can be carried out with the water film, heat of the water film is transferred, and the cooling effect of the water film on fluid in the heat exchange tube is improved; on the other hand, the redundant spray water can be collected and used for absorbing water vapor generated by the water film, and the redundant spray water can be used for supplementing water to the evaporated water film, so that the overall thickness uniformity of the water film is ensured;
(2) According to the invention, the cleaning assembly is matched with the exchange assembly, so that on one hand, residual water on the heat exchange tube can be absorbed, and scale formation after the residual water is evaporated on the heat exchange tube is prevented; on the other hand, dirt on the outer wall of the heat exchange tube can be cleaned, so that the cleanliness of the heat exchange tube is ensured, the tube wall thickness of the heat exchange tube is uniform, the heat transfer efficiency of the heat exchange tube is improved, and the service life of the heat exchange tube is prolonged;
(3) According to the invention, the mixing flow component and the cleaning component are matched, so that on one hand, the inner wall of the heat exchange tube can be cleaned, and the phenomenon that the heat transfer between the fluid and the heat exchange tube is affected due to the fact that the fluid dries up to form dirt on the inner wall of the heat exchange tube is avoided, and the heat dissipation effect of the fluid is improved; on the other hand, the fluid in the heat exchange tube can be stirred, so that the heat distribution among the fluids is uniform, the advancing path of the fluids is changed to be a spiral line, the residence time of the fluids in the heat exchange tube is delayed, and the cooling effect of the fluids is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings described below are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a concurrent composite cooling condenser.
Fig. 2 is a schematic view of the structure of the inside of the condenser case.
Fig. 3 is a schematic structural diagram of a pre-cooling assembly.
Fig. 4 is a schematic structural view of the spray assembly.
Fig. 5 is a schematic structural view of the eccentric.
Fig. 6 is a schematic structural view of a drainage assembly.
Fig. 7 is a schematic view of the structure of the inside of the drainage channel.
Fig. 8 is a schematic structural view of the diversion mechanism.
Fig. 9 is a schematic view of the structure of fig. 8 from another view angle.
Fig. 10 is a schematic view of a cooling assembly.
Fig. 11 is a schematic structural view of the heat exchanging belt.
Fig. 12 is a schematic structural view of the buckle slot.
Fig. 13 is a schematic structural view of the cleaning assembly.
Fig. 14 is a schematic view of the flow of shower water within the deflector mechanism.
FIG. 15 is a schematic flow of spray water within the cooling assembly.
Fig. 16 is a schematic transmission diagram of the operation of the heat exchange belt.
Fig. 17 is a schematic flow diagram of the spray water to water film make-up.
Fig. 18 is a schematic structural view of a mixed flow assembly.
Fig. 19 is a schematic structural view of a screw thread.
Fig. 20 is a schematic structural diagram of a reflow assembly in the second embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below with reference to the accompanying drawings.
Example 1
As shown in fig. 1-19, a concurrent composite cooling condenser comprises a heat exchanger 2 arranged inside a condenser shell 1 and a flow guiding mechanism 3 arranged on the heat exchanger 2;
the heat exchanger 2 comprises a plurality of groups of heat exchange tubes 21 which are respectively distributed in a serpentine shape downwards, and two groups of filling side plates 22 which are arranged in the condenser shell 1 and are used for supporting the heat exchange tubes 21;
the flow guiding mechanism 3 comprises a cooling component 31 arranged on one side of the heat exchange tube 21 and used for forming a water film, a cleaning component 32 arranged on the other side of the heat exchange tube 21 and used for cleaning the outer wall of the heat exchange tube 21, a replacement component 33 arranged on the filling side plate 22 and used for switching the positions of the cooling component 31 and the cleaning component 32, and a mixing component 34 arranged inside the heat exchange tube 21 and used for mixing fluid.
In this embodiment, by matching the flow guiding mechanism 3 and the heat exchanger 2, on one hand, the thickness of the water film formed by the spray water on the outer wall of the heat exchange tube 21 can be limited, the thermal resistance of the water film can be reasonably controlled, the water vapor generated by the water film can be collected and taken away for discharge, the heat exchange can be performed with the water film, the heat of the water film is transferred, and the cooling effect of the water film on the fluid in the heat exchange tube 21 is improved; on the other hand, can collect unnecessary spray water and be used for absorbing vapor and heat that the water film produced, can also carry out moisturizing to the water film of evaporation with unnecessary spray water, guaranteed that the whole thickness of water film is even.
In detail, the fluid flows into the heat exchange tube 21 of the heat exchanger 2 after pre-cooling by the pre-cooling assembly 11, the spray head 123 of the spray assembly 12 sprays spray water into the cooling assembly 31 in an inclined way, a part of spray water enters the gap between the heat exchange belt 312 and the heat exchanger 2 to form a water film with a specified thickness, redundant spray water enters the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, the transmission speed of the heat exchange belt 312 is greater than the water film downflow speed, the heat and steam of the water film are taken away by the heat exchange belt 312 and enter the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, the redundant spray water absorbs the heat and steam of the water film, meanwhile, the redundant spray water supplements water to the evaporated water film through the water supplementing holes 317 on the heat exchange belt 312, the water film and the redundant spray water flowing out of the cooling assembly 31 of the upper heat exchange tube 21 are guided by the drainage assembly 35, flows into the cooling component 31 of the lower heat exchange tube 21, so that spray water cools the heat exchange tube 21 from top to bottom in turn, then the double-shaft motor 333 of the exchange component 33 drives the driving gear 334 to rotate 180 degrees, so that the driving gear 334 drives the cooling component 31 and the cleaning component 32 to switch positions through the transposition gear 332, in the process of switching positions, the strip-shaped suction nozzle 323 of the cleaning component 32 firstly absorbs residual water on the outer wall of the heat exchange tube 21, the brush 325 cleans dirt on the outer wall of the heat exchange tube 21, meanwhile, the second magnet block 344 on the inclined guide plate 322 rotates 180 degrees through the first magnet block 343 with the circular ring 341 of the mixing component 34, so that the circular ring 341 drives the threaded bar 342 to rotate 180 degrees, the threaded bar 342 cleans the inner wall of the heat exchange tube 21 and mixes fluid in the heat exchange tube 21, the double-shaft motor 333 drives the rack 125 to horizontally move through the eccentric wheel 126 and the L-shaped connecting rod 127, the rack 125 drives the transmission gear 124 to swing by a designated angle with the water distribution pipe 122, meanwhile, the water distribution pipe 122 drives the drainage channel 351 of the drainage assembly 35 to swing by a designated angle through the fourth belt transmission unit 128, so that the spray head 123 and the drainage channel 351 of the water distribution pipe 122 are respectively matched with the inlet end and the outlet end of the cooling assembly 31 again, then the double-shaft motor 333 of the exchange assembly 33 intermittently drives the driving gear 334 to rotate 180 degrees in the same direction, so that the cooling assembly 31 and the cleaning assembly 32 intermittently switch positions, thereby the drainage mechanism 3 continuously works, and finally, the fluid cooled in the heat exchange pipe 21 is discharged from the fluid outlet pipe 23.
Further, as shown in fig. 1-3 and fig. 6, a pre-cooling assembly 11 is disposed inside the condenser casing 1, the pre-cooling assembly 11 includes several groups of U-shaped pre-cooling pipes 111 horizontally disposed inside the condenser casing 1 and having one ends respectively connected to the heat exchange pipes 21, a fluid inlet pipe 112 disposed at the other ends of the U-shaped pre-cooling pipes 111 and extending to the outside of the condenser casing 1, several groups of heat dissipation fins 113 disposed on the outer wall of the U-shaped pre-cooling pipes 111, and an air cooler 114 disposed at the top of the condenser casing 1, and a fluid outlet pipe 23 is disposed at the end of the heat exchange pipes 21.
In this embodiment, the pre-cooling assembly 11 is provided to pre-cool the fluid, thereby improving the cooling efficiency of the fluid.
In detail, the fluid enters the U-shaped pre-cooling tube 111 from the fluid inlet tube 112, the heat of the fluid is dissipated by the U-shaped pre-cooling tube 111 through the heat dissipation fins 113, meanwhile, the air cooler 114 blows downwards to perform air cooling treatment on the U-shaped pre-cooling tube 111 and the heat dissipation fins 113, the pre-cooling effect of the fluid is improved, and the pre-cooled fluid enters the heat exchange tube 21 of the heat exchanger 2.
Further, as shown in fig. 2-5, a spray assembly 12 is arranged inside the condenser casing 1, and the spray assembly 12 is positioned between the pre-cooling assembly 11 and the heat exchanger 2;
the spray assembly 12 comprises two groups of hollow laths 121 symmetrically arranged on the inner wall of the condenser shell 1, a plurality of groups of water distribution pipes 122 which are communicated and rotatably arranged between the two hollow laths 121 and are respectively positioned above the heat exchange pipes 21, spray heads 123 obliquely arranged at the bottoms of the water distribution pipes 122, transmission gears 124 which are arranged at the end parts of the water distribution pipes 122 and are meshed with each other, racks 125 which are horizontally arranged on the hollow laths 121 and are used for driving the transmission gears 124, an eccentric wheel 126 which is arranged on the other output shaft of the double-shaft motor 333, a limiting ring groove which is arranged on the outer wall of the eccentric wheel 126, and L-shaped connecting rods 127 which are arranged on the racks 125 and one end parts of which are in sliding fit with the limiting ring groove;
one of the water distribution pipes 122 drives one of the drainage channels 351 to synchronously rotate through a fourth belt transmission unit 128.
It should be noted that, the hollow lath 121 is provided with a cooling water inlet pipe for supplementing spray water into the water distribution pipe 122;
in this embodiment, through the spray assembly 12 provided, the inclination angle of the spray head 123 can be changed to adapt to the inlet end of the cooling assembly 31, so as to ensure that spray water accurately enters the cooling assembly 31.
In detail, the dual-shaft motor 333 of the exchanging assembly 33 drives the driving gear 334 to rotate 180 degrees, the positions of the cooling assembly 31 and the cleaning assembly 32 are switched, synchronously, the other output shaft of the dual-shaft motor 333 drives the rack 125 to horizontally move through the eccentric wheel 126 and the L-shaped connecting rod 127, so that the rack 125 drives the driving gear 124 to swing the water distribution pipe 122 by a designated angle, and simultaneously, the water distribution pipe 122 drives the drainage channel 351 of the drainage assembly 35 by the fourth belt transmission unit 128 to swing by a designated angle, so that the spray head 123 and the drainage channel 351 of the water distribution pipe 122 cooperate with the inlet end and the outlet end of the cooling assembly 31 again respectively, the spray head 123 sprays spray water into the cooling assembly 31 in an inclined manner, a part of spray water enters a gap between the heat exchange belt 312 and the heat exchanger 2 to form a water film with a designated thickness, and excessive spray water enters a gap between the first heat conduction arc plate 316 and the heat exchange belt 312.
Further, as shown in fig. 5, 8-9 and 18, the exchanging assembly 33 includes a plurality of sets of sleeves 331 penetrating and rotatably disposed on the filling side plate 22 and respectively sleeved on the heat exchange tube 21, a transposition gear 332 disposed at an end of the sleeve 331 and meshed with each other, a biaxial motor 333 disposed on one of the filling side plates 22, and a driving gear 334 disposed on an output shaft of the biaxial motor 333 and used for driving the transposition gear 332, the plurality of sets of sleeves 331 disposed in a horizontal direction are synchronously rotated by the transposition gear 332 meshed with each other, and the sleeves 331 disposed in a vertical direction are synchronously rotated by the first belt transmission unit 335.
In the present embodiment, the positions of the cooling module 31 and the cleaning module 32 can be intermittently switched by providing the exchanging module 33 to complete the cooling and cleaning work of the heat exchange tube 21.
In detail, the double shaft motor 333 intermittently drives the driving gear 334 to rotate 180 degrees, and the driving gear 334 drives the cooling module 31 and the cleaning module 32 to switch positions through the index gear 332.
Further, as shown in fig. 8-17, the cooling assembly 31 includes two sets of rotating rollers 311 rotatably disposed between the opposite sides of the transposition gears 332, a heat exchange belt 312 disposed between the two rotating rollers 311 and having a gap wrapped around one side of the heat exchange tube 21, a plurality of sets of shaping wheels 313 disposed on the sides of the transposition gears 332 and used for shaping the whole heat exchange belt 312 in an arc state, a plurality of sets of buckling grooves 314 disposed on the heat exchange belt 312 and used for collecting water vapor on the water film, a stepper motor 315 disposed on one side of the transposition gears 332 and used for driving the rotating rollers 311 to work with the heat exchange belt 312, a first heat conducting arc plate 316 disposed between the opposite sides of the transposition gears 332 and located outside the heat exchange belt 312, a plurality of sets of water supplementing holes 317 disposed on the heat exchange belt 312 and used for supplementing the water film to the water spray film, and a plurality of sets of triangular blocks 318 disposed on the inner wall of the first heat conducting arc plate 316 and used for guiding the water spray to the water supplementing holes 317, wherein the gap between the heat exchange belt 312 and the outer wall of the heat exchange belt 21 is equal to the thickness of the water film formed on the heat exchange tube 21.
It should be noted that, the transmission direction of the heat exchange belt 312 is the same as the water film downflow direction, and the transmission speed of the heat exchange belt 312 is greater than the water film downflow speed, so that the heat exchange belt 312 can take away the heat and water vapor of the water film;
it should be noted that the heat exchange belt 312 is made of a heat conducting material, and can exchange heat with the water film, so that heat of the water film can be taken away, and a plurality of groups of reinforcing ribs are arranged along the longitudinal direction of the heat exchange belt 312, so that the whole heat exchange belt 312 maintains the same radian;
it should be noted that, the buckling groove 314 is in an inverted triangle shape on the surface of the heat exchange belt 312 close to the water film, so that the water vapor of the water film rises into the buckling groove 314 and cannot escape out of the buckling groove 314;
in this embodiment, through the cooling module 31 that sets up, can restrict the spray water and form the thickness of water film at heat exchange tube 21 outer wall, rational control water film thermal resistance can collect the vapor that the water film produced and take away the discharge to can carry out the heat exchange with the water film to heat transfer with the water film goes out, can collect unnecessary spray water and be used for absorbing the vapor that the water film produced, can also carry out moisturizing to the water film of evaporation with unnecessary spray water, guarantee that the overall thickness of water film is even.
In detail, the spray head 123 of the spray assembly 12 sprays spray water to the inlet end of the cooling assembly 31 in an inclined manner, a part of spray water enters the gap between the heat exchange belt 312 and the heat exchanger 2 to form a water film with a designated thickness, the redundant spray water enters the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, the stepper motor 315 drives the heat exchange belt 312 to drive through the rotating roller 311, the heat exchange belt 312 absorbs heat of the water film and rotates to the redundant spray water in the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, meanwhile, water vapor of the water film rises into the buckling groove 314 on the heat exchange belt 312, the heat exchange belt 312 rotates to the redundant spray water, the redundant spray water in the gap between the first heat conduction arc plate 316 and the heat exchange belt 312 flows to the water film through the diversion of the triangular block 318, a part of spray water flows to the water film 317 on the heat exchange belt 312, the redundant spray water and finally the water film is mixed by the diversion assembly 35 and then is guided into the cooling assembly 31 of the lower heat exchange layer 21.
Further, as shown in fig. 8 to 17, the cleaning assembly 32 includes a second heat-conducting arc plate 321 disposed between the opposite sides of the transposition gears 332 and located at the other side of the heat exchange tube 21, two sets of inclined guide plates 322 respectively disposed at both ends of the second heat-conducting arc plate 321 and contacting the outer wall of the heat exchange tube 21 and guiding the spray water to the cooling assembly 31, a strip-shaped suction nozzle 323 disposed between the opposite sides of the transposition gears 332 and used for sucking residual water on the outer wall of the heat exchange tube 21, a suction machine 324 penetrating through the second heat-conducting arc plate 321 and communicating with the strip-shaped suction nozzle 323, and a brush 325 disposed on the second heat-conducting arc plate 321 through a hanger rod and used for cleaning dirt on the outer wall of the heat exchange tube 21.
It should be noted that, the first heat-conducting arc plate 316 and the second heat-conducting arc plate 321 can diffuse the heat of the heat exchange tube 21 outwards through the shower water and the air, and meanwhile, the cold air blown downwards by the air cooler 114 of the pre-cooling assembly 11 also performs air cooling and heat dissipation on the first heat-conducting arc plate 316 and the second heat-conducting arc plate 321.
In the embodiment, the cleaning assembly 32 and the exchanging assembly 33 are matched, so that on one hand, residual water on the heat exchange tube 21 can be absorbed, and scale formation after the residual water is evaporated on the heat exchange tube 21 is prevented; on the other hand, dirt on the outer wall of the heat exchange tube 21 can be cleaned, cleanliness of the heat exchange tube 21 is guaranteed, the tube wall thickness of the heat exchange tube 21 is uniform, heat transfer efficiency of the heat exchange tube 21 is improved, and service life of the heat exchange tube 21 is prolonged.
In detail, when the double-shaft motor 333 of the exchanging assembly 33 switches the positions of the cooling assembly 31 and the cleaning assembly 32, the second heat-conducting arc plate 321 revolves 180 degrees along the heat exchange tube 21, so that the suction machine 324 controls the strip suction nozzle 323 to suck the residual water on the outer wall of the heat exchange tube 21, and the brush 325 cleans the dirt on the outer wall of the heat exchange tube 21.
Further, as shown in fig. 13 and fig. 18-19, the flow mixing assembly 34 includes two sets of rings 341 rotatably disposed inside the heat exchange tube 21, screw threads 342 disposed between the sides of the two rings 341 and contacting the inner wall of the heat exchange tube 21, a first magnet block 343 inlaid on the outer wall of the rings 341, and a second magnet block 344 disposed on one of the inclined guide plates 322 and magnetically attracted to the first magnet block 343.
In this embodiment, the mixing flow component 34 and the cleaning component 32 are matched, so that on one hand, the inner wall of the heat exchange tube 21 can be cleaned, dirt on the inner wall of the heat exchange tube 21 is prevented from being formed due to dry fluid, heat transfer between the fluid and the heat exchange tube 21 is affected, and the heat dissipation effect of the fluid is improved; on the other hand, the fluid in the heat exchange tube 21 can be stirred, so that the heat distribution among the fluids is uniform, the advancing path of the fluids is changed to be a spiral line, the residence time of the fluids in the heat exchange tube 21 is delayed, and the cooling effect of the fluids is improved.
In detail, when the double-shaft motor 333 of the exchange assembly 33 switches the positions of the cooling assembly 31 and the cleaning assembly 32, the second magnet block 344 on the inclined guide plate 322 rotates 180 degrees with the ring 341 through the first magnet block 343, so that the ring 341 drives the screw thread 342 to rotate 180 degrees, the screw thread 342 cleans the inner wall of the heat exchange tube 21, and the fluid in the heat exchange tube 21 is mixed to ensure uniform heat exchange of the fluid.
Further, as shown in fig. 5 to 7, the flow guiding mechanism 3 further includes a flow guiding assembly 35 disposed between the two filling side plates 22, the flow guiding assembly 35 being configured to guide water discharged from the cooling assembly 31 of the upper heat exchange tube 21 into the cooling assembly 31 of the lower heat exchange tube 21;
the drainage assembly 35 comprises a plurality of sets of drainage channels 351 which are rotatably arranged between the two filling side plates 22 through rotating shafts, a plurality of sets of shaft rods 352 which are rotatably arranged inside the drainage channels 351, and blades 353 which are arranged on the shaft rods 352, wherein the plurality of sets of drainage channels 351 which are horizontally arranged synchronously rotate through the second belt transmission units 354, and the drainage channels 351 which are vertically arranged synchronously rotate through the third belt transmission units 355.
In this embodiment, through the cooperation of drainage subassembly 35 and the spray subassembly 12 that set up, can be with upper heat exchange tube 21 upper cooling subassembly 31 exhaust shower water and water film drainage to the cooling subassembly 31 of lower floor heat exchange tube 21 in to upper cooling subassembly 31 exhaust shower water and water film mix, make the shower water heat that gets into in the lower floor cooling subassembly 31 even.
In detail, when the double-shaft motor 333 of the exchanging assembly 33 switches the positions of the cooling assembly 31 and the cleaning assembly 32, the water distribution pipe 122 drives the drainage channel 351 of the drainage assembly 35 to swing by a designated angle through the fourth belt transmission unit 128, so that the drainage channel 351 is adapted to the outlet end and the inlet end of the upper and lower cooling assemblies 31 again, the spray water and the water film discharged from the upper cooling assembly 31 enter the drainage channel 351, and the downstream flushing blade 353 causes the spray water and the water film to be mixed in the drainage channel 351, and finally enter the lower cooling assembly 31 again.
Example two
As shown in fig. 20, in which the same or corresponding parts as those in the first embodiment are denoted by the corresponding reference numerals as those in the first embodiment, only the points of distinction from the first embodiment will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:
further, as shown in fig. 20, a backflow assembly 13 is disposed on the outer wall of the condenser casing 1, and the backflow assembly 13 is used for pumping the cooling water at the bottom of the condenser casing 1 back to the spraying assembly 12;
the return assembly 13 includes a return pipe 131 provided at the bottom of the condenser housing 1 and having one end thereof in communication with the hollow lath 121 of the shower assembly 12, and a return pump 132 provided on the return pipe 131.
In this embodiment, the shower water can be recycled through the provided reflow assembly 13, so that water resources are saved.
In detail, after the shower water drops to the bottom of the condenser housing 1 and is accumulated, the shower water at the bottom of the condenser housing 1 is pumped back to the hollow strip 121 by the return pipe 131 through the return pump 132, so that the shower assembly 12 can be recycled.
The working process comprises the following steps:
firstly, fluid enters the U-shaped pre-cooling tube 111 from the fluid inlet tube 112, flows into the heat exchange tube 21 of the heat exchanger 2 after being pre-cooled by the pre-cooling assembly 11, the spray head 123 of the spray assembly 12 sprays spray water into the cooling assembly 31 in an inclined mode, a part of spray water enters a gap between the heat exchange belt 312 and the heat exchanger 2 to form a water film with a specified thickness, redundant spray water enters the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, the transmission speed of the heat exchange belt 312 is higher than the water film descending speed, the heat exchange belt 312 takes away heat and water vapor of the water film and enters the gap between the first heat conduction arc plate 316 and the heat exchange belt 312, redundant spray water absorbs the heat and water vapor of the water film, meanwhile, redundant spray water is supplied to the evaporated water film through the water supplying holes 317 on the heat exchange belt 312, the film and redundant spray water flow out of the cooling assembly 31 of the upper heat exchange tube 21 are guided through the drainage assembly 35, flows into the cooling component 31 of the lower heat exchange tube 21, so that spray water cools the heat exchange tube 21 from top to bottom in turn, then the double-shaft motor 333 of the exchange component 33 drives the driving gear 334 to rotate 180 degrees, so that the driving gear 334 drives the cooling component 31 and the cleaning component 32 to switch positions through the transposition gear 332, in the process of switching positions, the strip-shaped suction nozzle 323 of the cleaning component 32 firstly absorbs residual water on the outer wall of the heat exchange tube 21, the brush 325 cleans dirt on the outer wall of the heat exchange tube 21, meanwhile, the second magnet block 344 on the inclined guide plate 322 rotates 180 degrees through the first magnet block 343 with the circular ring 341 of the mixing component 34, so that the circular ring 341 drives the threaded bar 342 to rotate 180 degrees, the threaded bar 342 cleans the inner wall of the heat exchange tube 21 and mixes fluid in the heat exchange tube 21, the double-shaft motor 333 drives the rack 125 to horizontally move through the eccentric wheel 126 and the L-shaped connecting rod 127, the rack 125 drives the transmission gear 124 to swing by a designated angle with the water distribution pipe 122, meanwhile, the water distribution pipe 122 drives the drainage channel 351 of the drainage assembly 35 to swing by a designated angle through the fourth belt transmission unit 128, so that the spray head 123 and the drainage channel 351 of the water distribution pipe 122 are respectively matched with the inlet end and the outlet end of the cooling assembly 31 again, then the double-shaft motor 333 of the exchange assembly 33 intermittently drives the driving gear 334 to rotate 180 degrees in the same direction, so that the cooling assembly 31 and the cleaning assembly 32 intermittently switch positions, thereby the drainage mechanism 3 continuously works, and finally, the fluid cooled in the heat exchange pipe 21 is discharged from the fluid outlet pipe 23.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "front and rear", "left and right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or component in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the invention.
Of course, in this disclosure, those skilled in the art will understand that the term "a" or "an" is to be interpreted as "at least one" or "one or more," i.e., in one embodiment, the number of elements may be one, and in another embodiment, the number of elements may be multiple, and the term "a" is not to be construed as limiting the number.
The foregoing is merely a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions easily conceivable by those skilled in the art under the technical teaching of the present invention should be included in the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope of the claims.

Claims (10)

1. The concurrent composite cooling condenser is characterized by comprising a heat exchanger arranged in a condenser shell and a flow guiding mechanism arranged on the heat exchanger;
the heat exchanger comprises a plurality of groups of heat exchange pipes which are respectively distributed in a serpentine shape downwards, and two groups of filling side plates which are arranged in the condenser shell and are used for supporting the heat exchange pipes;
the flow guiding mechanism comprises a cooling component, a cleaning component, a replacement component and a mixed flow component, wherein the cooling component is arranged on one side of the heat exchange tube and used for forming a water film, the cleaning component is arranged on the other side of the heat exchange tube and used for cleaning the outer wall of the heat exchange tube, the replacement component is arranged on the filling side plate and used for switching the positions of the cooling component and the cleaning component, and the mixed flow component is arranged inside the heat exchange tube and used for mixing fluid.
2. The downstream combined cooling condenser according to claim 1, wherein the exchanging assembly comprises a plurality of sets of sleeves which are communicated and rotatably arranged on the filling side plates and respectively sleeved on the heat exchange tubes, a transposition gear which is arranged at the end parts of the sleeves and is meshed with each other, a double-shaft motor which is arranged on one filling side plate, and a driving gear which is arranged on an output shaft of the double-shaft motor and is used for driving the transposition gear, wherein the plurality of sets of sleeves which are arranged in the horizontal direction are synchronously rotated through the mutually meshed transposition gears, and the sleeves which are arranged in the vertical direction are synchronously rotated through the first belt transmission unit.
3. The concurrent flow composite cooling condenser according to claim 2, wherein the cooling assembly comprises two sets of rotating rollers arranged between the opposite sides of the transposition gears, a heat transfer belt arranged between the two rotating rollers and wrapped on one side of the heat exchange tube in a clearance mode, a plurality of sets of shaping wheels arranged on the sides of the transposition gears and used for shaping the whole heat transfer belt to be in an arc state, a plurality of sets of buckling grooves formed on the heat transfer belt and used for collecting water vapor on a water film, a stepping motor arranged on one side of the transposition gears and used for driving the rotating rollers to work with the heat transfer belt, a first heat conduction arc plate arranged between the opposite sides of the transposition gears and positioned outside the heat transfer belt and used for collecting redundant spray water, a plurality of sets of water supplementing holes formed on the heat transfer belt and used for supplementing spray water to the water film, and a plurality of sets of triangular blocks arranged on the inner wall of the first heat conduction arc plate and used for guiding spray water to the water supplementing holes, and the clearance between the heat transfer belt and the outer wall of the heat exchange tube is equal to the thickness of the spray water formed on the outer wall of the heat exchange tube.
4. A concurrent flow combined cooling condenser as claimed in claim 3, wherein the cleaning assembly comprises a second heat-conducting arc plate arranged between the opposite sides of the transposition gears and positioned at the other side of the heat exchange tube, two groups of inclined guide plates respectively and correspondingly arranged at the two ends of the second heat-conducting arc plate and contacted with the outer wall of the heat exchange tube to guide spray water to the cooling assembly, a strip-shaped suction nozzle arranged between the opposite sides of the transposition gears and used for sucking residual water on the outer wall of the heat exchange tube, a suction machine which is arranged on the second heat-conducting arc plate in a penetrating way and communicated with the strip-shaped suction nozzle, and a brush which is arranged on the second heat-conducting arc plate through a hanging rod and used for cleaning dirt on the outer wall of the heat exchange tube.
5. The downstream combined cooling condenser according to claim 4, wherein the mixed flow assembly comprises two groups of rings rotatably arranged in the heat exchange tube, a thread strip arranged between two side surfaces of the rings and contacted with the inner wall of the heat exchange tube, a first magnet block inlaid on the outer wall of the rings, and a second magnet block arranged on one inclined guide plate and magnetically attracted with the first magnet block.
6. The downstream combined cooling condenser according to claim 5, wherein said flow guiding mechanism further comprises a flow guiding assembly disposed between two of said filling side plates for guiding water discharged from the cooling assembly of the upper heat exchange tube to the cooling assembly of the lower heat exchange tube;
the drainage assembly comprises a plurality of groups of drainage channels which are arranged between the filling side plates in a rotating mode through a rotating shaft, a plurality of groups of drainage channels which are arranged inside the drainage channels in a rotating mode and blades arranged on the shafts, the drainage channels which are arranged in the horizontal direction are synchronously rotated through a second belt transmission unit, and the drainage channels which are arranged in the vertical direction are synchronously rotated through a third belt transmission unit.
7. The downstream combined cooling condenser according to claim 6, wherein a pre-cooling assembly is further disposed inside the condenser housing, the pre-cooling assembly comprises a plurality of groups of U-shaped pre-cooling pipes horizontally disposed inside the condenser housing and having one ends respectively connected with the heat exchange pipes, a fluid inlet pipe disposed at the other ends of the U-shaped pre-cooling pipes and extending to the outside of the condenser housing, a plurality of groups of heat dissipation fins disposed on the outer walls of the U-shaped pre-cooling pipes, and an air cooler disposed at the top of the condenser housing, and the ends of the heat exchange pipes are provided with fluid outlet pipes.
8. The concurrent cooling condenser as recited in claim 7, wherein a spray assembly is further disposed within the condenser housing and is positioned between the pre-cooling assembly and the heat exchanger;
the spray assembly comprises two groups of hollow laths symmetrically arranged on the inner wall of the shell of the condenser, a plurality of groups of water distribution pipes which are communicated with each other and are rotatably arranged between the two hollow laths and are respectively positioned above the heat exchange pipes, spray heads obliquely arranged at the bottoms of the water distribution pipes, transmission gears arranged at the ends of the water distribution pipes and meshed with each other, racks horizontally sliding on the hollow laths and used for driving the transmission gears, an eccentric wheel arranged on the other output shaft of the double-shaft motor, a limiting ring groove formed in the outer wall of the eccentric wheel, and L-shaped connecting rods arranged on the racks and with one ends in sliding fit with the limiting ring groove.
9. The downstream combined cooling condenser according to claim 8, wherein a water distribution pipe drives a drainage channel to rotate synchronously through a fourth belt transmission unit.
10. The concurrent cooling condenser as claimed in claim 9, wherein a return assembly is further provided on the outer wall of the condenser housing for pumping back the cooling water at the bottom of the condenser housing to the spray assembly;
the reflux assembly comprises a reflux pipe which is arranged at the bottom of the condenser shell and one end of which is communicated with the hollow slat of the spray assembly, and a reflux pump which is arranged on the reflux pipe.
CN202311830808.8A 2023-12-28 2023-12-28 Concurrent flow combined type cooling condenser Pending CN117781518A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311830808.8A CN117781518A (en) 2023-12-28 2023-12-28 Concurrent flow combined type cooling condenser

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311830808.8A CN117781518A (en) 2023-12-28 2023-12-28 Concurrent flow combined type cooling condenser

Publications (1)

Publication Number Publication Date
CN117781518A true CN117781518A (en) 2024-03-29

Family

ID=90383215

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202311830808.8A Pending CN117781518A (en) 2023-12-28 2023-12-28 Concurrent flow combined type cooling condenser

Country Status (1)

Country Link
CN (1) CN117781518A (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1460828A (en) * 2003-06-13 2003-12-10 西安交通大学 Rotary water film air treatment equipment
RU2252376C2 (en) * 2001-06-01 2005-05-20 Андрей Маркович Войтко Eddy evaporative condenser
WO2014012284A1 (en) * 2012-07-20 2014-01-23 广州市华德工业有限公司 Filler coupling coil pipe evaporative type condenser
CN203928785U (en) * 2014-07-01 2014-11-05 西安协力动力科技有限公司 A kind of following current evaporative condenser
CN109028541A (en) * 2018-08-01 2018-12-18 珠海格力电器股份有限公司 Heat exchanger and air-conditioning system with it
CN110296551A (en) * 2019-07-08 2019-10-01 珠海格力电器股份有限公司 Heat exchanger, evaporating type condensing device, air-conditioner set
CN112984872A (en) * 2021-03-03 2021-06-18 湖州师范学院 High-efficiency water-saving countercurrent water circulation heat exchange type condenser
CN114838513A (en) * 2022-03-26 2022-08-02 长沙中特空调设备有限公司 Spraying evaporation type condensation water chilling unit

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2252376C2 (en) * 2001-06-01 2005-05-20 Андрей Маркович Войтко Eddy evaporative condenser
CN1460828A (en) * 2003-06-13 2003-12-10 西安交通大学 Rotary water film air treatment equipment
WO2014012284A1 (en) * 2012-07-20 2014-01-23 广州市华德工业有限公司 Filler coupling coil pipe evaporative type condenser
CN203928785U (en) * 2014-07-01 2014-11-05 西安协力动力科技有限公司 A kind of following current evaporative condenser
CN109028541A (en) * 2018-08-01 2018-12-18 珠海格力电器股份有限公司 Heat exchanger and air-conditioning system with it
CN110296551A (en) * 2019-07-08 2019-10-01 珠海格力电器股份有限公司 Heat exchanger, evaporating type condensing device, air-conditioner set
CN112984872A (en) * 2021-03-03 2021-06-18 湖州师范学院 High-efficiency water-saving countercurrent water circulation heat exchange type condenser
CN114838513A (en) * 2022-03-26 2022-08-02 长沙中特空调设备有限公司 Spraying evaporation type condensation water chilling unit

Similar Documents

Publication Publication Date Title
CN112984872B (en) High-efficiency water-saving countercurrent water circulation heat exchange type condenser
GB2165632A (en) Heat exchanger structure
CN117781518A (en) Concurrent flow combined type cooling condenser
CN114264090A (en) High-efficient heat transfer has evaporimeter of anticorrosion deoiling coating
CN112984871B (en) Efficient water-saving countercurrent water circulation heat exchange type condensation method
CN216592877U (en) Filling station uses new forms of energy heat exchanger
CN213841477U (en) Energy-conserving circulating water cooling device is used to energy-conserving lithography apparatus of improved generation
CN113448183A (en) Cooling device for heat treatment module of spin coater
CN112710106B (en) Concurrent flow type water circulation condenser
CN213020287U (en) Heat exchanger for air conditioner and air conditioner
CN212870853U (en) Slurry cooling equipment
CN114838513A (en) Spraying evaporation type condensation water chilling unit
CN114495743A (en) LED display screen with high-efficiency heat dissipation and good dampproof effect
CN217846979U (en) Knowledge database management device with heat radiation structure
CN114854569B (en) Thermal cycling device and PCR instrument
CN206879319U (en) Air-conditioning and its drive module radiator
CN111750696A (en) Deep cooling heat exchange equipment
CN219776404U (en) Antifreezing square cross flow cooling tower
CN219995960U (en) Cooling tower heat exchanger
CN117433335B (en) Disturbance wave flow cooling heat exchange equipment
JPH087259Y2 (en) Cold water production equipment for cooling rollers of offset rotary printing press
CN219714075U (en) Cooling tower convenient to clearance incrustation scale
CN220437179U (en) Steam condenser device
CN212620210U (en) Condenser complementary energy utilization device for pharmacy
CN112226604A (en) High-utilization-rate welded pipe water-cooling circulation equipment

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination