3679results about "Trickle coolers" patented technology

The invention relates to the field of machine room water pump control methods, in particular to an efficient machine room water pump frequency conversion control system and method. Modules of intelligent prediction and optimization, dynamic pressure and flow control, multi-sensor fusion, fault prediction and adaptive control, energy management and optimization and the like are integrated; and prospective and self-adaptive operation of the cooling system is realized. The system not only can predict the cooling demand according to historical data and real-time environmental parameters and adjust the working state in advance, but also can monitor and accurately control the pressure and flow of the cooling water system in real time and ensure the cooling efficiency. Through multi-sensor fusion, the system comprehensively monitors the operation state, and in combination with fault prediction and adaptive control, potential faults can be prevented, and the system stability is guaranteed. The energy management and optimization module intelligently dispatches operation of a cooling water tower fan and a cooling water pump, efficient utilization of energy is achieved, and the energy efficiency and reliability of the cooling system are remarkably improved on the whole.

The invention relates to the technical field of industrial control, and discloses a dry-wet combined cooling tower operation state prediction and diagnosis system comprising a load prediction module used for obtaining production plan data and environment information, constructing a basic heat load prediction model, and outputting a total prediction heat load; the thermal modeling module is used for establishing a heat transfer model and an energy consumption model, the heat transfer model outputs cooling amounts in different operation modes, and the energy consumption model outputs total predicted power; the dry-wet decision module is used for constructing a multi-objective optimization function and solving the multi-objective optimization function to obtain a dry-wet switching strategy; and the control execution module is used for executing the dry-wet switching strategy. According to the method, the basic thermal load prediction model is established, so that the prediction precision of the thermal load is improved, and differentiated cooling strategies are provided for different production stages; on the basis of real-time load requirements and environmental conditions, a dry mode or a wet mode is intelligently selected for operation, and a multi-objective optimization function is constructed, so that the balance between cooling requirement meeting and system energy consumption minimization is realized.

The invention relates to a cooling tower device for recovering heat from waste steam, which adopts three layers of transversely arranged heat exchange tube groups, realizes cascade recovery of heat energy of waste steam through communication of an air inlet and an air outlet, and is additionally provided with fins on the surfaces of heat exchange tubes to enhance the gas-liquid mass transfer efficiency. The core innovation lies in that a built-in mechanical cleaning mechanism is arranged, a driving assembly is in linkage with multiple sets of bidirectional adapters through a rotating shaft, brush rods distributed in the circumferential direction are driven to conduct high-frequency physical scraping on heat exchange pipes and fins, scale deposition is effectively restrained, and compared with traditional chemical cleaning, the shutdown maintenance time is shortened; the steam latent heat recovery rate can be increased, meanwhile, secondary pollution is avoided through a full-mechanical cleaning scheme, modular layout is adopted in structural design, interlayer fluid distribution of the heat exchange pipe set is achieved through a U-shaped pipe and a straight pipe, it is ensured that the resistance coefficient of the system is lower than that of similar equipment, and the device has remarkable energy-saving benefits in industrial scenes such as chemical engineering and metallurgy.

The invention discloses a cooling tower operation state monitoring method and system based on big data analysis, and relates to the technical field of data processing, and the method comprises the steps: obtaining water temperature data of an inlet and an outlet of a cooling tower, calculating a cooling temperature difference, and carrying out the cooling efficiency evaluation based on a time sequence temperature relation; analyzing the relationship between the control parameters of each level of the cooling tower in combination with historical operation data and a field big data sample, and establishing a level control analysis path; and on the basis of the cooling target of the heat source equipment, analyzing control parameters of each level through the time sequence cooling efficiency, identifying the running state of the cooling tower, and sending state feedback information. The technical problems that existing cooling tower operation state monitoring depends on simple static measurement, dynamic optimization and real-time adjustment of control parameters of all levels are lacked, and the operation efficiency of the cooling tower is affected are solved, and the purposes that the control parameters are dynamically optimized in real time through big data analysis and multi-level control analysis, and the operation efficiency of the cooling tower is improved are achieved. And the operation efficiency of the cooling tower is improved.

The invention belongs to the technical field of cooling towers, and particularly relates to a circulating spraying system and a cooling tower comprising the same, the circulating spraying system comprises a water pipe, a water tank arranged below the water pipe; the pressure control assembly is arranged in the water tank and comprises a sealing block, a connecting ring is arranged on the outer surface of the sealing block, and a connecting hole is formed in the lower surface of the connecting ring. During use, the water pump is started to feed water in the water tank into the atomizing nozzles through the water conveying pipe and the flow dividing pipe. Water flow firstly makes contact with the flow guide strips, impacts the flow guide pieces after drainage and drives the connecting plate and the transmission rod to rotate. The transmission rod penetrates through the first linear bearing and is matched with the second linear bearing to drive the cleaning support to rotate, the first spring buffers, the second spring pushes the cleaning support to enable the cleaning brush to be attached to the inner wall of the nozzle, and the inner wall is cleaned rotationally. After passing through the kinetic energy conversion assembly, the water flow is atomized and sprayed out through the spray orifice plate. The flexible nanofiber brush can remove dirt to avoid blockage, the inner wall is not damaged, and uniform atomization is guaranteed.

The invention provides a cylindrical hydrodynamic ventilation structure special for a cooling tower fan, and belongs to the technical field of cooling ventilation. Comprising a tower body, a water basin is installed at the bottom of the tower body, a water inlet pipe is installed at one end of the water basin, a water return pipe is installed at the top of the water inlet pipe, a water pump is arranged at one end of the water inlet pipe, and a water outlet pipe is installed at one end of the water basin. By arranging the worm gear speed increasing assembly and the power driving assembly, kinetic energy of water flow is converted into mechanical energy through circulation of water power, the cooling process is accelerated, complex parts such as a motor and a transmission device in a traditional cooling tower are reduced, the manufacturing cost is reduced, maintenance points and the fault rate are reduced, and the service life of the cooling tower is prolonged. The reliability and stability of the system are improved, the rotation angle adjustment of the fan blades is increased, the air volume is increased, evaporation and heat dissipation of water are accelerated, energy consumption is reduced, the flexibility of the system is enhanced, and the ventilation structure can adapt to different working environments and cooling requirements.

The utility model discloses a variable flow water distribution mechanism for a cooling tower, which comprises a cooling tower body, a vertical metal pipe is arranged in the cooling tower body, the top of the metal pipe is connected with a cross-shaped connecting steel pipe, the end part of the connecting steel pipe is connected with a spraying frame, and the spraying frame is connected with a water inlet pipe. The outer side of the spraying frame is inserted into the inner wall of the cooling tower body, and electromagnetic valves are installed in the four directions of the connecting steel pipe. Filler is installed in the cooling tower body, and a temperature sensor is installed on the inner wall of the cooling tower body. According to the variable-flow water distribution mechanism for the cooling tower, the electromagnetic valves and the temperature sensors are arranged, the temperatures of different positions in the cooling tower body are detected through the multiple temperature sensors, and then the flow of water entering the corresponding spraying frames is changed through the electromagnetic valves. The situation that more hot water enters a high-temperature place to reduce the heat exchange effect is avoided, the water flow is increased for a low-temperature place, and the overall heat exchange effect is improved.

The invention discloses a dynamic water distribution method and system for a natural ventilation cooling tower, and the method comprises the following steps: testing the natural ventilation cooling tower, obtaining the performance parameters of the cooling tower, constructing a CFD simulation model of the natural ventilation cooling tower, and calculating the performance parameters of the cooling tower according to the CFD simulation model. The performance parameters of the cooling tower serve as boundary conditions of a CFD simulation model of the natural ventilation cooling tower to be calculated, a sample point response value is obtained, a Kriging agent model is constructed, the sample point response value is adopted for training, the trained model is adopted for collecting data of a water distribution execution mechanism of the cooling tower, the data are processed, and the performance parameters of the cooling tower are obtained. And the adjusted initial circulating water flow of the fan-shaped area is obtained, and water distribution adjustment is conducted on a cooling tower water distribution executing mechanism based on the adjusted initial circulating water flow of the fan-shaped area. Dynamic water distribution of the natural ventilation cooling tower according to environmental conditions is achieved, and the influence of environmental crosswind on the heat exchange performance of the natural ventilation cooling tower is reduced.

A large fan blade type louver capable of eliminating transverse vortex at the end of a flow channel for ventilation regulation and control comprises a louver frame and a large fan blade set, and the louver frame is of a rectangular frame or a truss structure and used for installing and supporting the large fan blade set; the large fan blade group comprises 1-12 large fan blades which are vertically arranged and can eliminate transverse vortexes at the end part of the air inlet flow channel; the large fan blade comprises an end vortex eliminating sealing device, a fan blade body and a fan blade rotating shaft. The end vortex eliminating sealing device is installed at the end of the air inlet side of the fan blade and can also be installed at the end of the air outlet side of the fan blade. When the large fan blade set is fully opened, the end vortex eliminating sealing device can reduce transverse vortexes at the end of an air inlet flow channel between the end vortex eliminating sealing device and the adjacent large fan blade by optimizing the flow field at the end of the air inlet side of the fan blade, so that the additional air inlet resistance of the large fan blade is reduced, and the effective air inlet area is increased. The end vortex-eliminating sealing device is a vortex-eliminating sealing plate and can also be a vortex-eliminating sealing rectangular pipe, a vortex-eliminating sealing triangle or a vortex-eliminating sealing arc, and when the vortex-eliminating sealing device is arranged in the mode that the two sides of the vortex-eliminating sealing arc are arranged in an outwards-protruding arc mode, the vortex-eliminating sealing device can be combined with the fan blade to form an integrated large fan blade.

The invention discloses a cooling tower with a top flow field optimization air control device, the cooling tower comprises a cooling tower and an air control device, the air control device is an annular top plate obliquely arranged on the upper side of an air inlet, the main structure size of the air inlet height Hj, the outer edge arrangement height Ht1 and the inner edge arrangement height Ht2, and the requirement is Ht2gt; ht1gt; and Hj, a wedge-shaped apex angle space is formed above the air inlet and on the outer wall of the tower barrel, so that inlet air is divided into tower inlet airflow and wedge-shaped apex angle space rotational flow, and the tower inlet airflow flow field structure is optimized through the wedge-shaped apex angle space rotational flow. The width of the circumferential flow guide device is Lz, the height of the circumferential flow guide device is Hz, the thickness of the circumferential flow guide device is rz, the circumferential flow guide device is vertically arranged on the outer side of the tower periphery air inlet at the circumferential interval of Kz, Lz is larger than or equal to 0.5 m and smaller than or equal to 1.6 m, and a tower periphery wind field is optimized; when the width Lz is equal to the circumferential distance Kz, the anti-freezing effect can be achieved at the same time, according to the anti-freezing requirement, integrated or layered rotation is adopted, the radial flow guide arrangement is rotated to the circumferential anti-freezing arrangement, and the rotary air control anti-freezing purpose is achieved.

The utility model relates to the field of air treatment equipment, and discloses an efficient temperature and humidity adjusting fresh air handling unit which comprises a fresh air channel and an air return channel which are located in a machine shell, and a filter screen, a fluorine pump system, an evaporator, a reheating coil pipe, a humidifier and an air feeder are arranged in the fresh air channel. A filter screen, a fluorine pump system, a condenser, a compressor and an air feeder are arranged in the air return channel, the fluorine pump system is located between the filter screen and the evaporator and comprises a sprayer, a heat exchanger, a copper pipe and a pump, a one-way valve and an electromagnetic valve are connected to the reheating coil, and an expansion valve is further connected to the evaporator. The energy utilization rate is increased, energy consumption is effectively reduced, the refrigeration efficiency is improved, and the overall energy-saving and environment-friendly effects are improved.

In one aspect, a heat transfer apparatus including a process fluid heat exchange circuit having a mechanical cooler with hot and cold side heat exchangers and a hybrid cooler to receive process fluid from the hot side heat exchanger and provide cooled process fluid to the cold side heat exchanger. The hybrid cooler includes direct and indirect heat exchangers. The hybrid cooler has a dry mode and a hybrid mode. The heat transfer apparatus includes a controller configured to operate the process fluid heat exchange circuit in one of a plurality of modes based at least in part upon a determination of a thermal duty of the heat transfer apparatus.

The intercooling tower shutter control system and method have the characteristics of self-adaption and high precision in the control strategy, the system can automatically adjust the control parameters in the actual operation, and the dependence on manual intervention is reduced. The complexity of operation and maintenance is reduced, and errors and faults caused by manual operation are reduced. And the problem of hysteresis or over-regulation possibly caused by a single controller is effectively avoided. By means of double-layer control, more stable control response can be provided when complex and changeable operation conditions are processed, and system instability caused by environment or load fluctuation is reduced. Through the double-layer fuzzy controller, more accurate temperature adjustment can be realized. The first-layer fuzzy controller is responsible for processing macroscopic temperature and wind speed changes, and the second-layer fuzzy controller is used for further finely adjusting the opening error and the change rate.

The utility model relates to a water distribution spray head, in particular to a cooling tower water distribution spray head which comprises a connecting pipe, one end of the connecting pipe is rotatably connected with a Z-shaped sleeve, a water spray head is nested at one end of the Z-shaped sleeve, a water outlet is arranged on the water spray head, a rotating shaft is arranged in the Z-shaped sleeve, an impeller is sleeved on the rotating shaft, and a water outlet is arranged on the impeller. The top end of the rotating shaft is rotationally connected to the outer wall of the Z-shaped sleeve, and the bottom end of the rotating shaft is fixedly connected with the water spraying head. Through the combined action of the Z-shaped sleeve, the water spraying head, the rotating shaft, the impeller, the driving assembly and the like, the Z-shaped sleeve drives the water spraying head to do circular motion in the process that water flow is sprayed out from the water outlet in the water spraying head, and meanwhile, the water spraying head can rotate to enable cooling water to be sprayed out farther, so that the water distribution range is wider, and the water distribution efficiency is improved. And the water distribution uniformity is improved, so that the cooling effect on the filler in the cooling tower is improved.

An air-cooled adiabatic heat exchanger for cooling fluids having tube bundles for receiving hot process and rendering cooled fluid, operating in three or four modes. In a dry mode, heat is exchanged with dry air drawn through the tube bundles by fans. In an adiabatic mode, air entering the heat exchanger is adiabatically pre-cooled by water-saturated adiabatic pads, while the tube bundles remain dry. In an evaporative mode, the adiabatic pads remain dry, and the tubes are wetted with evaporative cooling water. In an optional fourth mode, both the adiabatic pads and the tubes are wetted.

The utility model discloses a large anti-freezing reverse flow type cooling tower which comprises a bottom water collecting tank, a cylindrical cooling shell is arranged on the upper surface of the bottom water collecting tank, an air duct of a trumpet-shaped structure is arranged at the upper end of the cylindrical cooling shell, a supporting column is arranged in the middle of the interior of the cylindrical cooling shell, and a fan is arranged at the upper end of the supporting column. The upper side of the cylindrical cooling shell is connected with a motor for driving a fan to rotate through a motor base, an annular water dispersing piece is arranged at the upper end of the interior of the cylindrical cooling shell, an inlet of the annular water dispersing piece is connected with an L-shaped water inlet pipe, an anti-icing device is arranged in the cylindrical cooling shell, and a filling device is arranged in the cylindrical cooling shell; sprayed water directly enters the water collecting tank and is mixed with original cold water in the water collecting tank, so that the temperature in the water tank is adjusted, and the water temperature in the water tank is ensured not to be too low on the premise of meeting temperature indexes required by process production in cooperation with starting of a cooling tower fan, so that the anti-freezing purpose is achieved.

The invention belongs to the technical field of closed cooling towers, and discloses a countercurrent closed cooling tower and a cooling method.The countercurrent closed cooling tower comprises a tower body, a draught fan is fixedly connected to the top of the tower body, an air inlet is formed in the side wall of the bottom of the tower body, a water collecting tank is formed in the bottom of the tower body, and a pair of coil pipes is fixedly connected to the middle of the tower body; through cooperation of structures such as an annular shell, an annular spraying pipe and a concave panel, the possibility that scale is generated by the coil pipe is reduced, the heat exchange effect can be improved, during heat exchange, water in a collecting groove of the annular spraying pipe moving in a reciprocating mode is pumped and pressurized, the surface of the coil pipe is scoured in an annular mode, and the scale forming risk is reduced; and meanwhile, the sliding columns continuously extrude the wave-shaped grooves, so that the whole annular shell rotates in a reciprocating mode, close-distance washing can be more uniform, and therefore the heat exchange effect and durability of the coil pipe are efficiently improved.

The utility model discloses a cross-flow closed cooling tower, which comprises a filler cooling section, a heat exchange section and a spraying system, the filler cooling section is arranged at the position close to the upper part in a shell, is positioned on the two sides of an air cavity, and corresponds to air inlets formed on the two sides of the shell; the heat exchange sections are mounted on two sides of the air cavity in the shell, are positioned below the filler cooling section and exchange heat with the spray water cooled by the filler cooling section; and the spraying system circularly sprays the filler cooling section and the heat exchange section. According to the cross-flow closed cooling tower, the filler cooling section and the coil pipe heat exchange section are relatively independent, air cooling only acts on the filler cooling section, and the coil pipe heat exchange section mainly conducts water-water heat exchange through spraying water cooled by the filler cooling section; due to the fact that all air is used for cooling of the filler cooling section, the air cooling efficiency is improved, inlet air is forbidden to penetrate through the coil pipe, spraying water of the coil pipe cooling section naturally falls down along the surface of the coil pipe, coating type water-water heat exchange is formed, and the heat exchange effect can be achieved to the maximum extent.

The invention discloses a novel efficient water collecting and collecting device based on bionic interface topology design, and relates to the technical field of water treatment and bionics. Comprising a plurality of arc-shaped water collecting plates, the outer convex face of each water collecting plate is provided with a white-turtle-imitated porous nanometer structure, the inner concave face of each water collecting plate is provided with a lotus-leaf-imitated super-hydrophobic structure, desert-beetle-like back protruding structures are evenly arranged on the lotus-leaf-imitated super-hydrophobic structures, and the bottom of each water collecting plate is evenly provided with an Aucaria cunninghamii leaf surface imitated sawtooth structure. The outer convex face of the water collecting plate is connected with a supporting frame, and the top and the bottom of the supporting frame are correspondingly connected with connecting holes formed in the edge of the water collecting plate. According to the novel efficient water collecting and collecting device based on the bionic interface topology design, the surface characteristics of the water collecting plate are optimized through the bionic innovative design, the capturing capacity of the surface of the water collecting plate on water vapor in a cooling tower can be remarkably improved, and then the water collecting efficiency of the water collecting plate is improved.

The invention discloses an intelligent control method for an industrial circulating cooling water system and a regulator, the industrial circulating cooling water system comprises a cooling tower, a main water pump, a tail end valve and production equipment, and the intelligent control method comprises the following steps: S1, obtaining the water distribution pressure of the cooling tower; s2, the outlet temperature of a cooled medium of the production equipment is obtained; s3, the opening degree of a tail end valve is controlled according to the outlet temperature of the cooled medium; s4, a tail end flow alarm signal is obtained according to the outlet temperature of the cooled medium and the opening degree of a tail end valve; and S5, controlling the operation frequency of the main water pump according to the water distribution pressure of the cooling tower and the tail end flow alarm signal. Automatic adjustment of the main water pump and the tail end valve is achieved, under the condition that actual requirements are met, unnecessary energy loss is reduced, the production cost is reduced, and the energy efficiency of the industrial circulating cooling water system is remarkably improved.

The utility model relates to a shutter, the shutter is used for a natural ventilation cooling tower, the natural ventilation cooling tower is provided with a windward side and a wind sheltering side, the shutter comprises a plurality of windward modules and a plurality of wind guide modules, the windward modules and the wind guide modules are connected to form the annular shutter, and the wind sheltering side and the wind sheltering side are connected to form the shutter. The louver is used for being arranged on the periphery of the natural ventilation cooling tower in a surrounding mode, the windward module is used for being arranged on the windward side and enabling air flow to have a windward air inlet direction, and the air guide module is used for being arranged on the wind sheltering side and enabling the air flow to have an air guide air inlet direction. And the windward air inlet direction is different from the air guide air inlet direction. By means of the technical scheme, the shutter can adapt to the actual situation of air flow around the natural ventilation cooling tower.

The utility model belongs to the field of building photovoltaic technology, and relates to a photovoltaic ventilation enclosure structure system based on evaporative cooling, which comprises a building outer enclosure structure surface, a photovoltaic panel and a ventilation cavity, the ventilation cavity is provided with an air inlet and an air outlet, and the air inlet and the air outlet are respectively provided with shutters capable of being controlled to be opened and closed; a heat conduction or heat exchange device is arranged between the shady face of the photovoltaic panel and the outer wall of the ventilation cavity, and the surface of the building outer envelope structure and the photovoltaic panel are located on the two opposite sides of the ventilation cavity respectively. The passive evaporative cooling mode is clean, pollution-free, energy-saving, carbon-reducing, remarkable in cooling effect and economical; the mode of combining natural ventilation with evaporative cooling is adopted, the cooling effect is more obvious, meanwhile, the hot and humid environment of a building envelope structure can be regulated and controlled, and cold and hot load energy of a building is reduced.

The invention discloses a steam recovery device for a cooling tower, and relates to the technical field of steam recovery, a spherical bottom cover and a spherical top cover are fixedly connected to the ends, away from a supporting frame, of a steam inlet pipe and a sewer pipe correspondingly, and rolling grooves are formed in the opposite faces of the spherical bottom cover and the spherical top cover correspondingly; an upper annular piece and a lower annular piece are rotationally connected into the rolling grooves of the spherical bottom cover and the spherical top cover correspondingly, the upper annular piece and the lower annular piece can rotate relatively, and condensation pipes are fixedly connected into the upper annular piece and the lower annular piece correspondingly. And a driving mechanism capable of driving the upper annular piece and the lower annular piece to rotate in the horizontal direction and swing in the vertical direction is arranged on the steam inlet pipe. Through the arrangement of the driving mechanism, the inclination angle of the two rows of condensation pipes can be adjusted in real time, so that small water drops condensed on the condensation pipes are gathered into large water drops, the dripping speed is increased, meanwhile, the contact area of the condensation pipes and steam can be guaranteed, and the condensation and collection efficiency of the steam is higher.

The invention provides a heat and cold storage water body system based on a multi-head water distributor and a working method of the heat and cold storage water body system, and belongs to the technical field of water body heat storage. High-temperature water is stably injected into the upper layer of a water body through the suspended water distributor at the top, and low-temperature water is injected through the exposed water distributor at the middle lower part, so that mixing of cold water and hot water is reduced to the greatest extent, and stable temperature stratification is quickly formed and maintained. Therefore, the invalid mixing loss of cold and heat is obviously reduced, and the effective heat storage / cold storage capacity and the heat exchange efficiency of the water storage device are greatly improved. The floating type heat preservation top cover directly covers the water surface, upward evaporation heat dissipation and convection heat dissipation on the water surface are effectively blocked, heat loss of the water body is greatly reduced, the heat preservation performance of the system is excellent, and the energy storage efficiency is high.

The invention discloses a demisting water-saving natural ventilation wet cooling tower and a working method, the cooling tower comprises a cooling tower body, a filler, a water distribution system, a dehydrator and a plurality of sound wave generators are arranged in the cooling tower body, and the sound wave generators are mounted at the upper part and the nearby area of a water distribution tank maintenance channel in the cooling tower; the sound wave generators are distributed in a high-humidity air flow area, a high-water-drop-content area, a medium-humidity air flow area and a medium-water-drop-content area. The sound wave generator adjusts the frequency and the sound intensity to the maximum extent according to the water drop characteristics, the environmental conditions and the water collecting efficiency; a certain proportion of water is recycled according to different working conditions through the sound wave water collecting technology, waste of water resources is effectively reduced, and the water saving effect is more prominent when the unit operates at low load; and meanwhile, when the water is recovered, the generation of fog plumes around the cooling tower is reduced, the surrounding environment is improved, and the potential influence of the fog plumes on peripheral equipment and facilities is reduced.

The invention relates to the field of cooling towers, and discloses a fog dispersal cooling tower and a fog dispersal filler unit thereof.The fog dispersal cooling tower comprises a plurality of heat exchange pieces arranged in a stacked mode, dry cold air flow channels and wet hot air flow channels, the dry cold air flow channels and the wet hot air flow channels are alternately distributed in the stacking direction and can exchange heat through the partition walls of the heat exchange pieces, and the lower portions of the heat exchange pieces are of an inverted trapezoidal structure; the adjacent heat exchange pieces are alternately connected in a sealed mode at the bevel edges of the two sides of the inverted trapezoidal structure so that dry cold air flow inlets communicating with the dry cold air flow channels and wet hot air flow inlets communicating with the wet hot air flow channels can be alternately formed in the two opposite sides, and liquid collection outlets communicating with the wet hot air flow channels are formed in the short edges of the bottoms of the heat exchange pieces. A water collecting and flow guiding structure capable of guiding at least part of water carried in airflow introduced from the damp and hot airflow inlet and / or generated by condensation of the airflow to the liquid collecting outlet is formed on the side, facing the damp and hot airflow channel, of each heat exchange piece. The fog dispersal filler unit can effectively improve the fog dispersal effect.

The invention discloses an air cooling type heat exchanger structure capable of shunting and conducting heat. An air cooling type heat exchanger structure capable of shunting and conducting heat comprises a heat exchanger, and an air suspension fan is connected beside the heat exchanger, and is characterized in that a device body is arranged in the heat exchanger, a lower connecting frame is arranged below the device body, a water storage tank is fixed on the lower connecting frame, and a shunting connecting pipe is arranged beside the water storage tank; heat-conducting boxes are mounted on the surfaces of the shunting connecting pipes; an outer fixing shell is arranged in the device body. The air suspension fan is connected with the heat exchanger, during use, the water storage tank supplies water to the heat conduction box, the water flow is preheated in cooperation with the flow dividing connecting pipe, then when the water flow is sprayed to the fins, water drops with a certain temperature can be rapidly evaporated, air in the pipe bundle is cooled through cooperation of moisture and the fan, and the cooling effect of the air in the pipe bundle is improved. And redundant water flows downwards and is collected in the distilled water guide hopper to work circularly, so that the cooling speed is increased, and the air exchange efficiency is also improved.

The invention relates to the technical field of flue gas treatment, in particular to a gas rising cap assembly, a gas cooling tower and a flue gas purification system. The gas rising cap assembly comprises a plurality of gas rising cap units, the gas rising cap units are arranged in parallel at intervals, and each gas rising cap unit comprises a guide cylinder and a first gas rising cap; the guide cylinder is used for guiding gas to rise for cooling; the first gas rising cap is arranged above the guide cylinder and at least covers the upper part of the guide cylinder; in the axial direction of the guide cylinder, a gap through which gas in the guide cylinder overflows is formed between the first gas rising cap and the upper part of the guide cylinder; at least part of the adjacent gas rising cap units share one first gas rising cap, and an opening is formed in the shared first gas rising cap and located between the upper portions of the adjacent guide cylinders; according to the gas lifting cap assembly, the gas-liquid separation efficiency can be improved, and the problem of low-load liquid leakage can be avoided or reduced.

The invention relates to the technical field of air conditioning equipment, and discloses a plate-pipe indirect type evaporative cooling water chilling unit which comprises an evaporation box, a water tank is fixedly installed at the bottom end of the evaporation box, a water pump is fixedly installed at the bottom end of the inner wall of the water tank, and the output end of the water pump communicates with a water guide pipe. The heat exchange hollow plate can rotate while doing circular motion, air flow around the heat exchange hollow plate is improved, water attached to the surface of the heat exchange hollow plate is evaporated faster, and therefore the heat exchange efficiency of hot air passing through the interior of the heat exchange hollow plate is improved; the probability of direct contact between water mist and the surface of the heat exchange hollow plate is increased, the water mist is attached to the surface of the heat exchange hollow plate more evenly, and therefore the heat exchange quality of hot air is greatly improved, part of water attached to the surface of the heat exchange hollow plate can stay and flow in the heat exchange groove for a short time by arranging the heat exchange groove, and the heat exchange efficiency is further improved.

An oblong twisted tube falling film closed cooling tower relates to the technical field of cooling towers and comprises a tower body, a plurality of vertical heat exchange tube groups are arranged in the tower body in parallel along the horizontal direction, each vertical heat exchange tube group comprises tube bundles which are arranged in parallel from top to bottom, and a plurality of oblong twisted heat exchange tubes are fixedly connected between the two tube bundles. The problems that in the prior art, fluid in a heat exchange pipe and the inner wall can be layered, heat exchange is affected, and the heat exchange efficiency is low are solved; according to the horizontal heat exchange tube bundle, cooling water collides with the heat exchange round tube for heat exchange, and noise generated by resonance of the coil tube is large; most of the filler and the heat exchange tube bundle are arranged up and down, and wind resistance is large. And a spray water pipe and a spray nozzle are arranged in the equipment, so that the spray nozzle is easy to block.