CN214470185U - Anti-icing device of coal chemical industry circulating water cooling tower - Google Patents
Anti-icing device of coal chemical industry circulating water cooling tower Download PDFInfo
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- CN214470185U CN214470185U CN202120552626.9U CN202120552626U CN214470185U CN 214470185 U CN214470185 U CN 214470185U CN 202120552626 U CN202120552626 U CN 202120552626U CN 214470185 U CN214470185 U CN 214470185U
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Abstract
An anti-icing device of a coal chemical industry circulating water cooling tower comprises a baffle plate, a water collecting box and a diversion trench; the baffle plate comprises an inner vertical plate, an outer vertical plate and a middle water receiving plate, and the middle water receiving plate is obliquely arranged; the baffle plate is arranged below a cross beam on the upper edge of an air inlet of the cooling tower, the outer vertical plate is fixed on the outer side surfaces of the cross beam and the tower plate, and the inner vertical plate is positioned below the filler of the cooling tower; the baffle plates are positioned between the upright columns of the cooling tower, and water collecting boxes are arranged at the connecting positions of the baffle plates on two sides of the same upright column; the diversion trench is tightly attached to the upright column, the diversion trench is installed at the bottom of the water collecting box and communicated with the water collecting box, and the diversion trench is vertically and downwards placed. Its cost of manufacture is low, and the installation is simple convenient nimble, and the later maintenance cost is lower, need not extra energy input and energy resource consumption, does not influence the cooling efficiency of cooling tower, can also reach better anti-icing effect simultaneously, and receives extremely cold weather influence less.
Description
Technical Field
The utility model relates to a cooling arrangement technical field, more specifically say, in particular to coal chemical industry circulating water cooling tower anti-icing device.
Background
The cooling tower is a device which uses water as a circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature, and the heat is exchanged between the water and the air to generate steam after the water and the air flow contact, and the steam volatilizes and takes away the heat to achieve the principles of evaporative heat dissipation, convective heat transfer, radiant heat transfer and the like so as to dissipate the waste heat generated in the industry or in a refrigeration air conditioner to reduce the water temperature, thereby ensuring the normal operation of the system.
The working principle of the wet cooling tower is as follows: hot water enters the cooling tower through the water inlet pipe, is uniformly distributed to the filler through the groove type or pipe type water distribution system, passes through the filler through the gravity of the hot water, falls into a water tank at the bottom of the tower, and becomes required cooling water to be reused. Air enters the tower from an air inlet, passes through a rain area below the filler, passes through the filler in a reverse direction (counter flow) or a vertical direction (cross flow) with hot water, passes through a water collector and a fan, and is discharged from an air duct. The wet cooling tower has good cooling effect because water and air are in direct contact. The cooling tower has low cost and is the most widely used cooling tower.
As is well known, the temperature is generally lower in winter in northern areas of China, the average temperature is basically below 0 ℃ in the daytime, and the lowest temperature can reach-20 ℃ to 30 ℃ at night. Therefore, in the case of a wet cooling tower, severe icing at the bottom beam and the upright column on the air inlet often occurs during winter running. When the ice is serious on the upper edge of the air inlet along the bottom beam and the upright post, the whole air inlet can be almost sealed, so that the air inlet volume is reduced, and the cooling efficiency of the cooling tower is finally greatly reduced. If not carrying out the artificial situation that freezes of in time clearing up, the ice-cube can knot more big along with the lapse of time, finally surpasss the bearing capacity of crossbeam and stand after, can press crossbeam and stand to break, still can pound below crossbeam and stand to break after weighing down simultaneously, leads to the below personnel to be smashed the emergence of accident even.
The existing solutions for preventing icing in this area include the following:
1. an electric heater or an electric heating air curtain is additionally arranged on the air inlet along the cross beam and the upright post, and the aim of preventing icing is fulfilled by a method of improving the temperature of the cross beam and the upright post;
2. the hot water spraying device is additionally arranged on the air inlet along the cross beam and the upright post, and the aim of preventing icing is fulfilled by increasing the water flow velocity on the surfaces of the cross beam and the upright post;
3. the L-shaped baffle plate is additionally arranged on the upper edge of the air inlet along the lower part of the filler on the inner side of the cross beam, the filler, water drops leaked from gaps on the inner sides of the cross beam, the stand column and the tower plate are collected and then deflected into the tower, and the purpose of preventing icing is achieved by a water flow blocking method.
4. The rolling door or the heat preservation tarpaulin is additionally arranged at the air inlet, and the purpose of preventing icing is achieved by using the method of reducing the contact strength of water and external cold air and the ambient temperature at the air inlet.
However, the above anti-icing solutions all have some problems, specifically:
1. an electric heater or an electric heating air curtain is additionally arranged on the air inlet along the cross beam and the upright post to prevent the icing. Because the electric heater and the electric heating air curtain need to adopt waterproof and explosion-proof equipment and have the functions of automatic temperature adjustment and control, the equipment installation and later maintenance cost is higher; meanwhile, a large amount of electric energy is additionally consumed, and the production cost is greatly increased.
2. The technique of preventing icing is additionally provided at the positions of the cross beam and the upright post on the upper edge of the air inlet. When the high-pressure hot water is sprayed to the cross beam and the upright post through the water spray holes or the spray heads, part of the water cannot be splashed to the cross beam, the upright post or the tower plate at other parts, so that the other parts are frozen. So the final anti-icing efficiency is not high; and the high-pressure hot water introduced from the outside additionally increases the production cost and the energy consumption.
3. The technique of preventing icing is additionally provided with an L-shaped baffle plate below the filler on the upper edge of the air inlet and on the inner side of the cross beam. The key point and difficulty of the technology are the sealing problem of the joint parts of the L-shaped baffle plate, the cross beam, the upright post and the tower plate, if the sealing is not tight, water leaks from the joint surface to cause secondary icing, so the icing prevention efficiency is not high, and the effect cannot be ensured.
4. The air inlet is additionally provided with a rolling door or a heat-preservation tarpaulin to prevent the icing. The core of the technology is that the aim of preventing icing is achieved by greatly reducing the air intake to improve the ambient temperature, however, reducing the air intake means reducing the cooling efficiency of the cooling tower. More cooling towers are required to achieve the original cooling effect, so that the production cost is greatly increased. And when the ice-proof effect is in extremely cold weather of about-30 ℃, the anti-icing effect of the technology is greatly reduced, and even the anti-icing effect may not be achieved.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a cooling tower air intake department crossbeam and stand technical scheme that freezes winter, its cost of manufacture is low, and the installation is simple convenient nimble, and the later maintenance cost is lower, need not extra energy input and energy resource consumption, does not influence the cooling efficiency of cooling tower, can also reach better anti-icing effect simultaneously, and receives extremely cold weather to influence lessly.
The utility model provides a following technical scheme: an anti-icing device of a coal chemical industry circulating water cooling tower comprises a baffle plate, a water collecting box and a diversion trench;
the baffle plate comprises an inner vertical plate, an outer vertical plate and a middle water receiving plate, two side edges of the middle water receiving plate are respectively connected with the inner vertical plate and the outer vertical plate, and the middle water receiving plate is obliquely arranged; the baffle plate is arranged below a cross beam on the upper edge of an air inlet of the cooling tower, the outer vertical plate is fixed on the outer side surfaces of the cross beam and the tower plate, and the inner vertical plate is positioned below the filler of the cooling tower;
the baffle plates are positioned between the upright columns of the cooling tower, and water collecting boxes are arranged at the connecting positions of the baffle plates on two sides of the same upright column;
the water collecting box is arranged at the position where the upright post of the cooling tower is intersected with the Z-shaped baffle plates at the two sides of the upright post;
the diversion trench is tightly attached to the upright column, the diversion trench is installed at the bottom of the water collecting box and communicated with the water collecting box, and the diversion trench is vertically and downwards placed.
Furthermore, the baffle plate is a Z-shaped baffle plate and is Z-shaped; the Z-shaped baffle plate is an integrated structure comprising an inner vertical plate, an outer vertical plate and a middle water receiving plate, the bottom of the outer vertical plate is connected to one side of the middle water receiving plate and is positioned above the middle water receiving plate, and the top of the inner vertical plate is connected to the other side of the middle water receiving plate and is positioned below the middle water receiving plate; the outer vertical plate is provided with a through hole for being fixedly connected with the tower plate.
Furthermore, the baffle plate is of a groove shape, the baffle plate is of an integrated structure comprising an inner vertical plate, an outer vertical plate and a middle water receiving plate, the bottom of the outer vertical plate is connected to one side of the middle water receiving plate and is positioned above the middle water receiving plate, and the top of the inner vertical plate is connected to the other side of the middle water receiving plate and is positioned above the middle water receiving plate; the outer vertical plate is provided with a through hole for being fixedly connected with the tower plate.
Furthermore, the top of the outer vertical plate is higher than the bottoms of the cross beam and the tower plate.
Furthermore, one side edge of the middle water receiving plate close to the outer side vertical plate is lower than one side edge of the middle water receiving plate close to the inner side vertical plate, namely, the middle water receiving plate inclines downwards towards the outside of the cooling tower.
Furthermore, the middle water receiving plate is provided with a diversion trench and is formed by pressing, and the middle water receiving plate can be made of steel plates, glass fiber reinforced plastics or plastic plates, but is not limited to the materials.
Further, the water collecting box is in an open cuboid shape.
Furthermore, the top end of the diversion trench is fixedly connected to the bottom of the water collecting box, and the diversion trench is a circular pipe or a square pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
the baffle plate is arranged below a cross beam and a filler of an air inlet of the cooling tower, a small amount of cold water drops which drop from the outer sides of the cross beam and the tower plate are collected by a middle water receiving plate of the baffle plate, meanwhile, a large amount of hot water drops in a rain area below part of the filler are also collected, the collected two water flows are converged to an outer side vertical plate of the baffle plate together by utilizing the angle of the middle water receiving plate which inclines towards the outside of the tower, a hot water flow is formed, the hot water flow flows to stand columns on two sides along the outer side vertical plate of the baffle plate, the hot water flow enters the water collecting box at the stand columns, then the water collecting box is led into a flow guide groove below the water collecting box, and finally the hot water flow enters a water pool at the bottom of the cooling tower.
Secondly, hot water in a rain area at the lower part of the filler of the cooling tower is used as a water source and a heat source for preventing icing, so that the condition that the water source or the heat source needs to be introduced from the outside of the cooling tower, and extra energy consumption and the increase of production and maintenance cost are caused is avoided.
The shape setting of baffling board for the rivers of collecting can rely on the gravity of rivers self to flow, and its cost of manufacture is low, and the simple and convenient flexibility of installation, later maintenance cost are lower, need not extra energy input and energy resource consumption, do not influence the cooling efficiency of cooling tower, can also reach better anti-icing effect simultaneously, and receive extremely cold weather influence less.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of the overall structure of a cooling tower according to a first embodiment;
FIG. 2 is a schematic front view of an anti-icing device of a circulating water cooling tower in the coal chemical industry according to an embodiment;
FIG. 3 is a schematic side view of an anti-icing device of a circulating water cooling tower in a coal chemical industry according to an embodiment;
FIG. 4 is a schematic perspective view of an anti-icing device for a circulating water cooling tower in coal chemical industry according to an embodiment;
FIG. 5 is a schematic view of a baffle according to one embodiment;
FIG. 6 is a schematic view of a baffle according to a second embodiment.
The device comprises a baffle plate 1, an inner vertical plate 101, an outer vertical plate 102, a middle water receiving plate 103, a water collecting box 2, a flow guide groove 3, an air inlet 4, a cross beam 5, a tower plate 6, a vertical column 7, a filler 8, a fan 9, an air duct 10, a shutter 11, an access door 12 and a water inlet 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
as shown in fig. 1-5, an anti-icing device for a circulating water cooling tower in coal chemical industry comprises a baffle plate 1, a water collecting box 2 and a diversion trench 3;
the baffle plate 1 comprises an inner vertical plate 101, an outer vertical plate 102 and a middle water receiving plate 103, two side edges of the middle water receiving plate 103 are respectively connected with the inner vertical plate 101 and the outer vertical plate 102, and the middle water receiving plate 103 is obliquely arranged; the baffle plate 1 is arranged below a cross beam 5 at the upper edge of an air inlet 4 of the cooling tower, the outer vertical plate 102 is fixed on the outer side surfaces of the cross beam 5 and the tower plate 6, and the inner vertical plate 101 is positioned below the cooling tower filler;
the baffle plate 1 is positioned between the upright posts 7 of the cooling tower, and the water collecting box 2 is arranged at the baffle plate connecting position on two sides of the same upright post;
the water collecting box 2 is arranged at the position where the upright post 7 of the cooling tower is intersected with the Z-shaped baffle plates 1 at the two sides of the cooling tower;
the diversion trench 3 is tightly attached to the upright post 7, the diversion trench 3 is installed at the bottom of the water collection box 2 and communicated with the water collection box, and the diversion trench 3 is vertically and downwardly placed.
In the embodiment, the baffle plate 1 is a Z-shaped baffle plate and is Z-shaped; the Z-shaped baffle plate is an integrated structure comprising an inner vertical plate 101, an outer vertical plate 102 and a middle water receiving plate 103, the bottom of the outer vertical plate 102 is connected to one side of the middle water receiving plate 103 and is positioned above the middle water receiving plate 103, and the top of the inner vertical plate 101 is connected to the other side of the middle water receiving plate 103 and is positioned below the middle water receiving plate 103; the outer vertical plate 102 is provided with a through hole and is fixedly connected to the tower plate 6 through a bolt. The side of the middle water receiving plate 103 close to the outer vertical plate 102 is lower than the side of the middle water receiving plate 103 close to the inner vertical plate 101, that is, the middle water receiving plate 103 inclines downward toward the outside of the cooling tower. The top of the outer vertical plate 102 is higher than the bottoms of the cross beam and the tower plate, so that the outer vertical plate can be conveniently installed outside the tower plate and wrap the bottom end of the tower plate.
In this embodiment, the water collecting box is in an open cuboid shape. The water collecting box is fixedly connected with the baffle plate, and the baffle plates on two sides of the same upright post. In practical operation, the baffle plates are distributed on two sides of each upright post, the baffle plates are fixed on the tower plates through bolts, and the tower plates are usually corrugated plates. After the baffle plate is fixed, the water collecting box needs to be installed below the outer side vertical plate of the baffle plate, and the water collecting box is installed after the baffle plate outer side vertical plate, namely a part of the middle water receiving plate adjacent to the baffle plate, is cut according to the field size condition. Or the welding can be directly welded at the bottom of the baffle plate without cutting; regardless of the installation, it is necessary to ensure that the water flow of the baffle can flow into the water collection box. The water collecting box can be directly welded on the baffle plate or fixed on the baffle plate through bolts.
Wherein, the water-collecting box is open cuboid shape, and the water-collecting box bottom is provided with the through-hole that matches with the guiding gutter for fixedly connected with guiding gutter, the guiding gutter weld in the water-collecting box bottom. The top end of the diversion trench is fixedly connected to the bottom of the water collecting box, and the diversion trench is a round pipe or a square pipe. The guiding gutter can also adopt the ligature rope or clamp to be fixed in the stand.
The second embodiment is as follows:
the baffle plate 1 is of a groove shape, as shown in fig. 6, the baffle plate is of an integrated structure comprising an inner vertical plate 101, an outer vertical plate 102 and a middle water receiving plate 103, the bottom of the outer vertical plate 102 is connected to one side of the middle water receiving plate 103 and is positioned above the middle water receiving plate 103, and the top of the inner vertical plate 101 is connected to the other side of the middle water receiving plate 103 and is positioned above the middle water receiving plate 103; the outer vertical plate is provided with a through hole for being fixedly connected with the tower plate. Wherein, the middle water receiving plate 103 is obliquely arranged, and the middle water receiving plate is obliquely downwards towards the outside of the cooling tower.
The third concrete embodiment:
the middle water receiving plate 103 of the baffle plate is provided with a diversion trench, so that collected water flows downwards conveniently. The diversion trench is also an inclined downward angle and is formed by pressing, the diversion trench can be made of steel plates, glass fiber reinforced plastics or plastic plates, but the diversion trench is not limited to the above materials, and in actual operation, appropriate materials can be selected according to actual conditions.
The fourth concrete embodiment:
the buckled plate is adopted to the column plate usually, behind column plate outer wall fixed mounting baffling board, have with the shape characteristic of the ripple appearance of buckled plate, can have some gaps between column plate and the buckled plate, and a small amount of cold water droplet of the drippage of column plate outer wall also can flow into the baffling board along the buckled plate outer wall in, and then collects to water-collecting box, guiding gutter.
For the water droplet of better collection column plate outer wall, when the outside riser fixed mounting with the baffling board in the column plate, can cup joint one section steel pipe on the bolt between baffling board and footboard, keep fixed installation distance with the outside riser of baffling board and column plate, like this, a small amount of cold water droplets of drippage when the column plate outer wall also can flow into the baffling board, and then collect water box, guiding gutter.
The working principle of the anti-icing device for the coal chemical industry circulating water cooling tower in the embodiment is as follows:
the anti-icing device for the coal chemical industry circulating water cooling tower mainly comprises a baffle plate 1, a water collecting box 2 and a diversion trench 3. The anti-icing working principle is as follows: the baffling board is installed in cooling tower air intake crossbeam 5 and 8 belows packed, the middle part water receiving plate of baffling board collects a small amount of cold water droplet that crossbeam 5 and 6 outsides of column plate drip, the while has also collected the big hot water droplet of partial filler below rain district, utilize the angle of middle part water receiving plate to the outer slope of tower, two strands of water that will collect converge and flow to baffling board outside riser together, form one hot water stream, hot water stream flows to the stand 7 of both sides along baffling board outside riser, get into the water-collecting box in stand department, introduce guiding gutter 3 of below by water-collecting box 2 again, finally get into cooling tower bottom pond. The structures of the fan 9, the air duct 10, the shutter 11, the access door 12, the water inlet 13 and the like of the cooling tower in fig. 1 are common structures of the existing cooling tower, and are not described again.
The baffle plate utilizes the principle of blocking water flow outside the cross beam and the tower plate to achieve the purpose of preventing the cooling tower air inlet from being frozen along the cross beam, and meanwhile, a large amount of hot water flowing along the vertical plate outside the baffle plate also plays a role in heating the baffle plate, so that the water source at other parts is prevented from dripping or splashing outside the baffle plate to freeze. The water collecting box and the flow guide groove collect and guide the hot water flow from the baffle plate to the outer vertical surface of the upright post, so that the hot water flow quickly flows downwards to a water pool at the bottom of the cooling tower along the outer vertical surface of the upright post, and the aim of preventing the upright post of the air inlet of the cooling tower from freezing is fulfilled by utilizing the principle of increasing the water flow temperature, flow and flow speed of the upright post. The water collecting box and the flow guide groove can also effectively prevent a large amount of water drops from splashing around and on other beams and columns below after hot water sent by the baffle plate collides with the columns, so that the icing condition of other beams and columns at the air inlet is caused.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a coal chemical industry circulating water cooling tower anti-icing device which characterized in that: comprises a baffle plate, a water collecting box and a diversion trench;
the baffle plate comprises an inner vertical plate, an outer vertical plate and a middle water receiving plate, two side edges of the middle water receiving plate are respectively connected with the inner vertical plate and the outer vertical plate, and the middle water receiving plate is obliquely arranged; the baffle plate is arranged below a cross beam on the upper edge of an air inlet of the cooling tower, the outer vertical plate is fixed on the outer side surfaces of the cross beam and the tower plate, and the inner vertical plate is positioned below the filler of the cooling tower;
the baffle plates are positioned between the upright columns of the cooling tower, and water collecting boxes are arranged at the connecting positions of the baffle plates on two sides of the same upright column;
the water collecting box is arranged at the position where the upright post of the cooling tower is intersected with the Z-shaped baffle plates at the two sides of the upright post;
the diversion trench is tightly attached to the upright column, the diversion trench is installed at the bottom of the water collecting box and communicated with the water collecting box, and the diversion trench is vertically and downwards placed.
2. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 1, characterized in that: the baffle plate is a Z-shaped baffle plate and is Z-shaped; the Z-shaped baffle plate is an integrated structure comprising an inner vertical plate, an outer vertical plate and a middle water receiving plate, the bottom of the outer vertical plate is connected to one side of the middle water receiving plate and is positioned above the middle water receiving plate, and the top of the inner vertical plate is connected to the other side of the middle water receiving plate and is positioned below the middle water receiving plate; the outer vertical plate is provided with a through hole for being fixedly connected with the tower plate.
3. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 1, characterized in that: the baffle plate is of a groove shape, the baffle plate is of an integrated structure comprising an inner vertical plate, an outer vertical plate and a middle water receiving plate, the bottom of the outer vertical plate is connected to one side of the middle water receiving plate and is positioned above the middle water receiving plate, and the top of the inner vertical plate is connected to the other side of the middle water receiving plate and is positioned above the middle water receiving plate; the outer vertical plate is provided with a through hole for being fixedly connected with the tower plate.
4. The anti-icing device of the coal chemical industry circulating water cooling tower according to claim 2 or 3, characterized in that: the top of the outer vertical plate is higher than the bottoms of the cross beam and the tower plate.
5. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 4, characterized in that: the side edge of the middle water receiving plate close to the outer side vertical plate is lower than the side edge of the middle water receiving plate close to the inner side vertical plate, namely, the middle water receiving plate inclines downwards towards the outside of the cooling tower.
6. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 5, characterized in that: the middle water receiving plate is provided with a diversion trench.
7. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 1, characterized in that: the water collecting box is in an open cuboid shape.
8. The anti-icing device of the coal chemical industry circulating water cooling tower of claim 1, characterized in that: the top end of the diversion trench is fixedly connected to the bottom of the water collecting box, and the diversion trench is a round pipe or a square pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552626.9U CN214470185U (en) | 2021-03-17 | 2021-03-17 | Anti-icing device of coal chemical industry circulating water cooling tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120552626.9U CN214470185U (en) | 2021-03-17 | 2021-03-17 | Anti-icing device of coal chemical industry circulating water cooling tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214470185U true CN214470185U (en) | 2021-10-22 |
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ID=78156503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120552626.9U Expired - Fee Related CN214470185U (en) | 2021-03-17 | 2021-03-17 | Anti-icing device of coal chemical industry circulating water cooling tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214470185U (en) |
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2021
- 2021-03-17 CN CN202120552626.9U patent/CN214470185U/en not_active Expired - Fee Related
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |