CN214407140U

CN214407140U - High heat conductivity trickle filler and cooling tower

Info

Publication number: CN214407140U
Application number: CN202023088272.1U
Authority: CN
Inventors: 高文龙; 任红卫
Original assignee: Dongguan Air Research Cooling Tower Co ltd
Current assignee: Dongguan Air Research Cooling Tower Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-10-15
Anticipated expiration: 2030-12-18

Abstract

The utility model belongs to the technical field of cooling tower equipment, especially, relate to a high heat conductivity trickle filler, including a plurality of packing pieces that stack from top to bottom, this packing piece all includes a plurality of wave form packing monomers, wave form packing monomer comprises the filler position that connects side by side in proper order, each the filler position includes first slope position and second slope position, all be equipped with a plurality of projections that break water on first slope position and the second slope position, should break water the projection and corresponding the domatic top and the bottom of filler position all do not contact; the upper side of the first slope position and the upper side of the second slope position are connected with each other to form a ridge, and a plurality of through holes are formed in the ridge. In addition, the cooling tower adopting the high-heat-conductivity water spraying filler is designed, so that the distribution of gas phase and liquid phase can be effectively improved in the use process of the cooling tower, the flow resistance between discs is reduced, the overall heat transfer efficiency of the cooling tower is improved, and the cooling tower has the optimal heat exchange potential and cooling efficiency.

Description

High heat conductivity trickle filler and cooling tower

Technical Field

The utility model belongs to the technical field of cooling tower equipment, especially, relate to a high heat conductivity trickle packs and adopt cooling tower of this high heat conductivity trickle packs.

Background

The treatment capacity of the cooling tower of the core equipment of the industrial circulating water cooling system plays an important role in energy conservation, consumption reduction and economy of products. The trickle packing is an important part for cooling the cooling tower, and the technical economy and the occupied area of the cooling tower are directly influenced by the performance of the trickle packing. Under the same condition, the higher the packing performance is, the smaller the tower area is; the lower the packing performance, the larger the column area. The performance of the filler is mainly reflected in the aspects of heat and mass transfer performance and ventilation resistance; generally, these two sides are opposite, i.e. the improvement of heat and mass transfer performance generally increases the ventilation resistance. The water spraying filler is of various types, including drip type, film type, drip film type and the like.

At present, the plate corrugated structured packing has the advantages of large flux, small resistance, high efficiency, strong pollution resistance and the like, and is widely applied to industries such as petroleum, chemical industry, deep cooling, light industry and the like. The plate corrugated structured packing used in the existing industrial circulating water cooling system almost adopts the mode of surface roughening treatment such as pressing small lines or punching pocks to strengthen the mass transfer process of the surface of a packing sheet, but simultaneously, the contact resistance of gas and liquid on the surface of the packing is increased, especially, the pressure drop of the contact area of two adjacent discs of packing in a structured packing tower is increased sharply, so that liquid flooding is easy to cause, meanwhile, the condition for gas-liquid back mixing is created when the gas-liquid contact time in the area is too long, the heat transfer efficiency of the packing is reduced, and the heat transfer performance of the cooling tower adopting the structured packing is directly influenced.

Therefore, it is necessary to optimize the structure of the existing water spraying packing to improve the heat transfer efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high heat conductivity trickle packs aims at solving the trickle packing among the prior art and arouses the lower technical problem of self heat transfer efficiency because of structural design is not good.

In order to achieve the above object, an embodiment of the present invention provides a high heat conductivity water spraying filler, including a plurality of stacked filler pieces, the filler piece includes a plurality of wave-shaped filler units, every the filler piece is formed with bonding edge, adjacent two respectively along its width direction between the filler pieces through corresponding bonding edge bonding connection.

Optionally, the wave form filler monomer comprises the filler position that connects side by side in proper order, each the filler position includes first slope position and second slope position, first slope position reaches all be equipped with a plurality of archs that break water on the second slope position, should break water protruding with corresponding the domatic top and the bottom of filler position are all contactless. The structural design can increase the surface area and the heat exchange area.

Optionally, the upper side of the first slope and the upper side of the second slope are connected to form a ridge, and a plurality of through holes are formed in the ridge. The structure design enables the water to be continuously redistributed when falling, and simultaneously, the phenomenon that gas-liquid phases are blocked in the packing sheet can be prevented.

Optionally, the cross section of the filling position is in an inverted V-shaped wave structure or a trapezoid wave structure. The purpose of this structural design is to increase the surface area and heat exchange area.

Optionally, the lower side of the first level of the fill level is connected to the lower side of the second level of the fill level adjacent thereto and constitutes a fluid channel. The structural design aims to facilitate the optimization of the relation between the specific surface area and the resistance and reduce the energy waste.

Optionally, the water breaking protrusions are arranged at equal intervals along the corresponding slope of the filling material. The structural design increases the times of water film interception, so that the water film is redistributed for multiple times and tends to be more uniform.

Optionally, a first notch is formed in the upper side of the first slope, a second notch corresponding to the first notch in a one-to-one manner is formed in the upper side of the second slope, and the first notch is communicated with the second notch to form the through hole. The through hole is in a three-dimensional structure due to the structural design, and the through hole has the characteristics of small occupied three-dimensional space and large surface area.

Optionally, the ridges on two adjacent filler sheets are arranged in a way that orthographic projections of the ridges on the plane of one of the filler sheets intersect. The structural design improves the porosity of the through hole and also improves the stability from the whole structure.

Optionally, the through holes on two adjacent filler sheets are arranged in a staggered manner in an orthographic projection manner on a plane where one of the filler sheets is located. The structural design enhances the turbulence of the gas phase and the liquid phase between the packing sheets, and ensures the gas phase and the liquid phase to be fully mixed.

Optionally, the filler pieces are made of a non-metallic material or a composite material resistant to hot water. The structural design ensures that the high-heat-conductivity water pouring filler has good heat resistance, corrosion resistance and oxidation resistance, and the service life is prolonged.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the high heat conductivility trickle packs have one of following technological effect at least:

1. adopt the transversal type wavy structure or trapezoidal wavy structure of personally submitting of fill material position, and each the fill material position includes first slope position and second slope position, just first slope position reaches all be equipped with a plurality of bellied structural design that break water on the second slope position, make full use of the rational design on slope, combine break water bellied design, realized great specific surface area and heat transfer area, constantly redistribute when making the trickle whereabouts again, increase the dwell time and the distribution uniformity of trickle at this high heat conductivility trickle filler, improved heat transfer performance, give off the heat transfer of water for the air well.

2. Adopt the upside of first slope position with the upside interconnect of second slope position forms the back of the body, has seted up a plurality of through-holes on this back of the body, and the filler position the downside of first slope position rather than adjacent the downside of second slope position is connected, and constitutes fluid passage's structural design, can improve this high heat conductivity trickle filler's whole specific surface area, can prevent simultaneously that two looks of gas-liquid from taking place the jam effect at this high heat conductivity trickle filler, has promoted the heat transfer efficiency of gas-liquid double-phase in this high heat conductivity trickle filler greatly.

Another object of the utility model is to provide a cooling tower aims at solving the cooling tower among the prior art and arouses the lower technical problem of whole heat transfer performance because of the trickle packs structural design is not good.

In order to achieve the above object, an embodiment of the present invention provides a cooling tower, which includes a tower body, and a fan, a metal heat exchanger, a high efficiency water collector, a water tray, a water distribution system, and the high heat conductivity water pouring filler, which are disposed in the tower body; one side of the top of the tower body is provided with an air inlet, the other side of the top of the tower body is provided with the fan, and the high-efficiency water collector is arranged below the fan; the metal heat exchanger is arranged on one side, corresponding to the air inlet, in the tower body, and the high-heat-conductivity water spraying filler is arranged on the other side, corresponding to the fan and the high-efficiency water collector, in the tower body; the bottom of the tower body is provided with the water tray, the water tray is connected with a water replenishing port through a pipeline, and a ball float valve is arranged on a pipeline connecting the water replenishing port and the water tray.

Optionally, the water distribution system comprises a first spray assembly, a second spray assembly and a spray water pump; the first spraying assembly is arranged between the metal heat exchanger and the air inlet, the second spraying assembly is arranged between the high-heat-conductivity water spraying filler and the high-efficiency water collector, and the outlet of the water tray is connected with the spraying water pump through a pipeline; the spray water pump is connected with the first spray assembly and the second spray assembly in parallel through pipelines, and a switch valve is arranged on a pipeline connecting the spray water pump and the second spray assembly.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the cooling tower have one of following technological effect at least:

1. by adopting the high-heat-conductivity water spraying filler, the distribution of gas phase and liquid phase can be effectively improved in the using process of the cooling tower, the flow resistance between the plates is reduced, the overall heat transfer efficiency of the cooling tower is improved, and the cooling tower has the best heat exchange potential and cooling efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

FIG. 1 is a schematic structural view of a high thermal conductivity water pouring filler provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a packing sheet according to an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 labeled A;

fig. 4 is a schematic mechanism diagram of a cooling tower according to an embodiment of the present invention;

wherein, in the figures, the respective reference numerals:

1-high heat conductivity water spraying filler, 10-filler pieces, 11-corrugated filler monomers, 12-bonding edges, 111-filler positions, 1111-first slope positions, 11111-first gaps, 1112-second slope positions, 11121-second gaps, 1113-water breaking protrusions, 1114-ridges, 1115-fluid channels, 2-tower bodies, 21-air inlets, 3-fans, 4-metal transducers, 5-efficient water collectors, 6-water trays, 61-water replenishing ports, 62-ball float valves, 7-water distribution systems, 71-first spraying assemblies, 72-second spraying assemblies and 73-spraying water pumps.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In an embodiment of the present invention, as shown in fig. 1, a high thermal conductivity water packing 1 is provided, which includes a plurality of packing sheets 10 stacked up and down, each of the packing sheets 10 is formed with a bonding edge 12 along the width direction thereof, and two adjacent packing sheets 10 are bonded together by the bonding edge 12. The packing of the cooling tower adopts a sheet structure, and the packing can be conveniently packaged and transported in a roll or sheet structure in the transportation process; secondly, in a specific laying process, every two of the packing sheets 10 are firmly bonded with each other through the respective bonding edges 12 and are arranged in the cooling tower to assist the heat exchange process of hot water and air.

As shown in fig. 2 and fig. 3, each of the packing sheets includes a plurality of wave-shaped packing monomers 11, and each wave-shaped packing monomer 11 is formed by packing sites 111 connected side by side in sequence; in this embodiment, the cross section of the filling level 111 has an inverted V-shaped wavy structure or a trapezoidal wavy structure. Preferably, each of the filling positions 111 includes a first slope 1111 and a second slope 1112, and the first slope 1111 and the second slope 1112 are both provided with a plurality of water breaking protrusions 1113; the utility model discloses a high heat conductivity trickle packs make full use of the rational design on slope, combines broken protruding 1113's of water design has realized great specific surface area and heat transfer area, increases the dwell time and the distribution uniformity of trickle at this high heat conductivity trickle packs 1, has improved heat transfer performance, gives off the heat transfer of water for the air well.

Furthermore, the water breaking protrusions 1113 are arranged at equal intervals along the corresponding slope of the filling material position 111, so that the high-heat-conductivity water spraying filling material 1 has a larger specific surface area and a larger heat exchange area, and the water film interception frequency is increased, so that water is continuously redistributed when falling, and the heat transfer process can be well realized.

Further, the upper side of the first slope 1111 and the upper side of the second slope 1112 are connected to form a ridge 1114, and a plurality of through holes are opened on the ridge. Specifically, the upper side of the first slope 1111 is opened with a first notch 11111, the upper side of the second slope 1112 is opened with a second notch 11112 corresponding to the first notch 11111 one by one, and the first notch 11111 and the second notch 11112 are communicated to form the through hole. This structural design can improve this high heat conductivity trickle and pack 1's whole specific surface area, can prevent simultaneously that two looks of gas-liquid from taking place the jam effect at this high heat conductivity trickle and pack 1, has promoted the heat transfer efficiency of gas-liquid double-phase in this high heat conductivity trickle and pack 1 greatly. Furthermore, the ridges 1114 on two adjacent filler sheets 10 are arranged to intersect with each other in the orthogonal projection on the plane of one of the filler sheets 10. The structural design improves the porosity of the through hole and also improves the stability from the whole structure.

Further, the underside of the first ramp 1111 of the fill level 111 is connected to the underside of the second ramp 1112 of the fill level 111 adjacent thereto and constitutes a fluid channel 1115. In this embodiment, the fluid channel 1115 is straight, so as to facilitate the surface area and the fluid resistance of the high heat conductivity water-spraying filler 1 to achieve good balance, and improve the cooling efficiency and the technical economy.

As shown in fig. 1, fig. 2 and fig. 3, the through holes of two adjacent filler sheets 10 are arranged in a staggered manner in an orthographic projection on a plane where one of the filler sheets 10 is located. In specific practice, each layer of the packing sheet 10 is regarded as a "flat plate" as a whole, the corrugated packing monomer 11 in each layer of the packing sheet 10 is tiled along the plane of the "flat plate", the plane of the "flat plate" is the plane where the packing sheet 10 is located, and the orthographic projections of the ridges 1114 of any two adjacent layers of the packing sheets 10 on the plane where one layer of the packing sheet 10 is located are perpendicular, so that the lower side edges of the first slope 1111 and the second slope 1112 of the upper layer of the packing sheet 10 in the two adjacent layers of the packing sheets 10 are lapped on the ridges 1114 of the lower layer of the packing sheet 10, thereby not only improving the porosity of the through holes of the high heat conductivity packing 1, but also improving the stability of the high heat conductivity packing 1 in the whole structure, and further improving the heat transfer efficiency of gas phase and liquid phase.

Furthermore, the packing sheet 10 is made of a non-metallic material or a composite material which is resistant to hot water, so that the high-heat-conductivity trickle packing 1 is good in heat resistance, corrosion resistance and oxidation resistance, and the service life is prolonged.

In another embodiment of the present invention, namely, the cooling tower using the high thermal conductivity water pouring packing 1, as shown in fig. 4, the cooling tower includes a tower body 2, and a fan 3, a metal heat exchanger 4, a high efficiency water collector 5, a water tray 60, a water distribution system 7 and the high thermal conductivity water pouring packing 1 which are disposed in the tower body. In this embodiment, an air inlet 21 is formed in one side of the top of the tower body 2, the fan 3 is arranged in the other side of the top of the tower body, and the high-efficiency water collector 1 is installed below the fan 3; the metal heat exchanger 4 is arranged on one side of the tower body 2 corresponding to the air inlet 21, and the high-heat-conductivity water spraying filler is arranged on the other side of the tower body 2 corresponding to the fan 21 and the high-efficiency water collector 1; the water tray 6 is arranged at the bottom of the tower body 2. After the efficient water collector 5 is added to the cooling tower, water can be prevented from drifting out of the high-heat-conductivity water spraying filler 1 and being taken out of the fan opening when the cooling tower runs, the efficient water collector 5 collects water, loss of water is reduced, water collecting effect and energy-saving effect are greatly improved, and energy-saving and environment-friendly requirements are met.

Further, the water distribution system 7 comprises a first spray assembly 71, a second spray assembly 72 and a spray water pump 73; in order to improve the uniformity of spray cooling. The first spraying assembly 71 and the second spraying assembly 72 are both composed of a plurality of spraying pipes and a plurality of spraying heads arranged on the spraying pipes. In this embodiment, the first spraying assembly 71 is disposed between the metal heat exchanger 4 and the air inlet 21, the second spraying assembly 72 is disposed between the high heat conductivity water spray packing 1 and the high efficiency water collector 5, and the outlet of the water tray 6 is connected with the water spray pump 73 through a pipeline; the spray water pump 73 is connected with the first spray assembly 71 and the second spray assembly 72 in parallel through a pipeline, and a switch valve is arranged on a pipeline connecting the spray water pump 73 and the second spray assembly 72. The heat exchange part of the cooling tower adopts the structural form that part is the metal heat exchanger 4 and part is the high heat conductivity water spraying filler 1; compared with the prior cooling tower technology, the filler has spray water during the operation in winter, and the use of the downstream and cross-flow cooling towers is influenced by the problem that the filler is easy to freeze and collapse in winter; and the counter-flow cooling tower can overcome the problem of filler freezing in winter severe cold areas due to no PVC filler, but the cost is greatly increased because all heat exchangers are made of metal materials, so that the cooling tower can overcome the problems of freezing and collapse of the filler in the forward-flow and cross-flow closed cooling towers and the problem of overhigh cost of the counter-flow cooling tower.

Further, the water tray 6 is connected with a water replenishing port 61 through a pipeline, and a float valve 62 is arranged on the pipeline connecting the water replenishing port 61 and the water tray 60, so that the active water replenishing operation of the water tray 6 is realized.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high-heat-conductivity water spraying filler comprises a plurality of filler sheets which are stacked up and down, wherein each filler sheet comprises a plurality of wave-shaped filler monomers, bonding edges are respectively formed on each filler sheet along the width direction of the filler sheet, and every two adjacent filler sheets are bonded and connected through the corresponding bonding edges; the method is characterized in that: the wave-shaped filler monomer is composed of filler positions which are sequentially connected side by side, each filler position comprises a first slope position and a second slope position, a plurality of water breaking bulges are arranged on the first slope position and the second slope position, and the water breaking bulges are not in contact with the top end and the bottom end of the slope surface corresponding to the filler positions; the upper side of the first slope position and the upper side of the second slope position are connected with each other to form a ridge, and a plurality of through holes are formed in the ridge.

2. The high thermal conductivity packing material of claim 1, wherein: the cross section of the filling position is of an inverted V-shaped wavy structure or a trapezoidal wavy structure.

3. The high thermal conductivity packing material of claim 1, wherein: the lower side of the first slope of the filling level is connected with the lower side of the second slope of the adjacent filling level, and a fluid channel is formed.

4. The high thermal conductivity packing material of claim 1, wherein: the water breaking bulges are arranged at equal intervals along the corresponding slope of the filling material position.

5. The high thermal conductivity packing material of claim 1, wherein: first breach has been seted up to the upside of first slope position, the upside of second slope position seted up with the second breach of first breach one-to-one, first breach with second breach intercommunication forms the through-hole.

6. The high thermal conductivity packing material of claim 1, wherein: the ridges on two adjacent filler sheets are arranged in an orthographic projection intersecting manner on the plane where one of the filler sheets is located.

7. The high thermal conductivity packing material of claim 1, wherein: the through holes in two adjacent packing sheets are arranged in a staggered manner in an orthographic projection manner on the plane where one of the packing sheets is located.

8. The high thermal conductivity packing material of claim 1, wherein: the filler pieces are made of a non-metallic material or a composite material which is resistant to hot water.

9. The utility model provides a cooling tower, includes the tower body and locates this internal fan of this tower, metal heat exchanger, high-efficient hydrophone, water tray and water distribution system, its characterized in that: further comprising the high heat conductivity trickle filler as defined in any one of claims 1 to 8; one side of the top of the tower body is provided with an air inlet, the other side of the top of the tower body is provided with the fan, and the high-efficiency water collector is arranged below the fan; the metal heat exchanger is arranged on one side, corresponding to the air inlet, in the tower body, and the high-heat-conductivity water spraying filler is arranged on the other side, corresponding to the fan and the high-efficiency water collector, in the tower body; the bottom of the tower body is provided with the water tray, the water tray is connected with a water replenishing port through a pipeline, and a ball float valve is arranged on a pipeline connecting the water replenishing port and the water tray.

10. The cooling tower of claim 9, wherein: the water distribution system comprises a first spraying assembly, a second spraying assembly and a spraying water pump; the first spraying assembly is arranged between the metal heat exchanger and the air inlet, the second spraying assembly is arranged between the high-heat-conductivity water spraying filler and the high-efficiency water collector, and the outlet of the water tray is connected with the spraying water pump through a pipeline; the spray water pump is connected with the first spray assembly and the second spray assembly in parallel through pipelines, and a switch valve is arranged on a pipeline connecting the spray water pump and the second spray assembly.