CN101344361B - Sand prevention and dedusting technology for cooling column - Google Patents
Sand prevention and dedusting technology for cooling column Download PDFInfo
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- CN101344361B CN101344361B CN2008100218896A CN200810021889A CN101344361B CN 101344361 B CN101344361 B CN 101344361B CN 2008100218896 A CN2008100218896 A CN 2008100218896A CN 200810021889 A CN200810021889 A CN 200810021889A CN 101344361 B CN101344361 B CN 101344361B
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- cooling tower
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- sand
- sediment trapping
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Abstract
The invention relates to a sand prevention and dust removal technology of a cooling tower, and the technical proposal is that a sand prevention device is arranged at an air inlet of the cooling tower, and a water tank of the cooling tower is transformed into the water tank with the sludge discharge function. The sand prevention device is composed of a plurality of corrugated plate-shaped sand blocking sheets by parallel arrangement at intervals; the transformation method of the water tank of the cooling tower is as follows: sludge collecting trenches are arranged at the bottom of the water tank in a criss-cross way, sludge discharge pipes are arranged along the directions of the trenches in the sludge collecting trenches, sludge discharge branch pipes which are extended in-depth are arranged on the sludge discharge pipes, the sludge discharge branch pipes are extended to a sludge and sand pond which is out of the tower, and the opening and the closing of sludge discharge branch pipes are implemented by control valves. The sand prevention and dust removal technology has positive roles for maintaining the cooling tower and keeping the cooling efficiency of the cooling tower, so the sand prevention and dust removal technology is particularly applicable to the cooling towers which are regularly positioned in sand and dust environment for implementation.
Description
Technical field
The present invention relates to a kind of cooling tower sand prevention and dedusting method.
Background technology
The operation principle of cooling tower is the heat exchanging process of recirculated cooling water and cold air in fact.Air inlet is arranged on the cooling tower, and cold air is entered in the tower by air inlet, contacts with the recirculated water of water distribution system in the tower, carries out heat exchange.If the residing environment of cooling tower often is subjected to the influence of dust and sand weather, then sand and dust can enter in the tower with cold air, accumulate over a long period, and will cause consequences such as inner-tower filling material obstruction and pond pollution, obstruction, will have a strong impact on the serviceability of cooling tower.And the water in the pond of cooling tower is recycling, if sediment charge too much more will have a strong impact on its circulation and use in the water.
Summary of the invention
The technical problem to be solved in the present invention is: disclose a kind of cooling tower sand prevention and dedusting method, this method is for the maintenance of cooling tower, and the maintenance of the cooling effectiveness of cooling tower has positive effect.
The technical solution used in the present invention is: a kind of cooling tower sand prevention and dedusting method, and method is for being provided with the sand prevention device and the pond of cooling tower being transformed into the pond with spoil disposal function at the air inlet place of cooling tower; Described sand prevention device is that a plurality of sediment trapping sheets with corrugated plating shape are constituted by the mode that interval arranged side by side is provided with; Remodeling method for pond of cooling tower is: arrange Ji Nigou at the bottom of the pond, pond crisscrossly, in Ji Nigou, arrange discharge pipeline along channel direction, the spoil disposal arm that depth is extended is set on the discharge pipeline, and the spoil disposal arm extends to the outer silt pond of tower, and the spoil disposal arm is implemented its switching by by-pass valve control.
In order to strengthen the interception result of sand prevention device to sand and dust, reduce its resistance simultaneously again as much as possible to air intake, described its face of deciding what is right and what is wrong of chevron-shaped sediment trapping sheet is the shape that is unified into that small one and large one two ripples rise, and the wave band that facings the wind that big ripple rises is longer than its leeward wave band.Its windward side of sediment trapping sheet is provided with and hinders husky muscle at least together, and the position that hinders husky muscle is near the waveform bending place of sediment trapping sheet.
For convenient the sand prevention device is cleaned to keep its clean and unobstructed state, described sediment trapping sheet is provided with the porous water pipe that sprays in order to the sediment trapping sheet.
Its section of described Ji Nigou is isosceles-trapezium-shaped, and A/F is greater than the bottom of trench width, and the angle of two walls and horizontal plane is 25 °～45 °.Adopt this structure both can improve the collection mud effect of Ji Nigou, conveniently carry out hand sweeping again.
The invention has the beneficial effects as follows: this cooling tower sand prevention device is arranged at the air inlet place of cooling tower, in order to the sand and dust of carrying secretly in the interception air stream, to play the effect of filtered airflow.This sand prevention device sediment trapping effect is remarkable, and gas-flow resistance is very little.Its cooling tower that is very suitable for often being in the sand and dust environment is equipped with use.This pond has the function of automatic collection mud spoil disposal, and effect is remarkable, can guarantee that the recirculated cooling water water in the pond of cooling tower keeps certain cleanliness factor, is convenient to it and recycles.
Description of drawings
The present invention is further illustrated below in conjunction with drawings and Examples.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the structural representation of sand prevention device of the present invention.
Fig. 3 is the structural representation of structure at the bottom of the pond of cooling tower of the present invention pond.
Fig. 4 be among Fig. 3 A-A analyse and observe the structure for amplifying schematic diagram.
The husky muscle 31. collection mud ditches of 1. cooling towers, 2. sand prevention devices, 21. sediment trapping sheets, 211. resistances 32. discharge pipelines 33. spoil disposal arms among the figure
The specific embodiment
A kind of cooling tower sand prevention and dedusting method as shown in Figure 1, is provided with sand prevention device 2 and the pond of cooling tower is transformed into the pond with spoil disposal function at the air inlet place of cooling tower 1.
As shown in Figure 2, described sand prevention device 2 is that a plurality of sediment trapping sheets 21 with corrugated plating shape are constituted by the mode that interval arranged side by side is provided with, chevron-shaped sediment trapping sheet 21 its faces of deciding what is right and what is wrong are the shape that is unified into that small one and large one two ripples rise, and the wave band that facings the wind that big ripple rises is longer than its leeward wave band.Sediment trapping sheet 21 its windward sides are provided with and hinder husky muscle 211 at least together, and the position that hinders husky muscle 211 is near the waveform bending place of sediment trapping sheet 21.Also be provided with the porous water pipe that sprays in order to sediment trapping sheet 21 on the sediment trapping sheet 21.
As shown in Figure 3, Figure 4, to transforming as of pond of cooling tower: at the bottom of the pond, pond, arrange collection mud ditch 31 crisscrossly, in Ji Nigou 31, arrange discharge pipeline 32 along channel direction, the spoil disposal arm 31 that depth is extended is set on the discharge pipeline 32, spoil disposal arm 31 extends to the outer silt pond of tower, and spoil disposal arm 31 is implemented its switching by by-pass valve control.Described collection mud ditch 31 its sections are isosceles-trapezium-shaped, and A/F is greater than the bottom of trench width, and the angle of two walls and horizontal plane is 25 °～45 °.
Sand prevention device of the present invention is arranged at the air inlet place of cooling tower, and it is simple in structure and unique, and the sediment trapping effect is splendid, and gas-flow resistance is very little.Its cooling tower that is very suitable for often being in the sand and dust environment is equipped with use.In use, may be piled up by sand and dust on the sand prevention device and cause ventilating not smooth, so the porous water pipe that is provided with on the sand prevention device washes the sediment trapping sheet can be used for usually.When running into dust and sand weather, open sparge pipe, sparge pipe sprays the sediment trapping sheet, makes on the windward side of sediment trapping sheet and forms water membrane, can strengthen the interception function to sand and dust, filters out a large amount of silt.
Prove through strict test, enter the trickle sand and dust particle that only is entrained with only a few in the air stream of cooling tower via this sand prevention device, these trickle sand and dust particles will be filtered in the pond at the bottom of the tower by the rain belt in the tower and filler.
In addition, as ancillary method, tank can be set below the sand prevention device with centralized collection silt dirt and discharge.The sand prevention device certain angle that when arranging, can tilt, the effect when the sediment trapping sheet being sprayed to improve sparge pipe.
Fall into silt impurity in the pond under the effect of self gravitation, the rain belt trickle will sink rapidly, and concentrate in the collection mud ditch at the bottom of the pond the beating effect of the water surface in the tower in addition, enters the discharge pipeline and the spoil disposal arm thereof that are provided with in the ditch.The switching of spoil disposal arm is controlled by valve, and when silt is opened valve more for a long time in the pipeline inner accumulated, silt will be expelled in the outer silt pond of tower with the part current, treats silt stream discharging finishing back valve-off.
Claims (4)
1. cooling tower sand prevention and dedusting method is characterized in that: sand prevention device (2) is set at the air inlet place of cooling tower (1) and the pond of cooling tower is transformed into the pond with spoil disposal function;
Described sand prevention device (2) is that a plurality of sediment trapping sheets (21) with corrugated plating shape are constituted by the mode that interval arranged side by side is provided with;
Remodeling method for pond of cooling tower is: arrange Ji Nigou (31) at the bottom of the pond, pond crisscrossly, in Ji Nigou (31), arrange discharge pipeline (32) along channel direction, the spoil disposal arm (33) that depth is extended is set on the discharge pipeline (32), spoil disposal arm (33) extends to the outer silt pond of tower, and spoil disposal arm (33) is implemented its switching by by-pass valve control;
Its face of deciding what is right and what is wrong of described chevron-shaped sediment trapping sheet (21) is the shape that is unified into that small one and large one two ripples rise, and the wave band that facings the wind that big ripple rises is longer than its leeward wave band, and its windward side of sediment trapping sheet (21) is provided with and hinders husky muscle (211) at least together.
2. cooling tower sand prevention and dedusting method according to claim 1 is characterized in that: the position that hinders husky muscle (211) is near the waveform bending place of sediment trapping sheet (21).
3. cooling tower sand prevention and dedusting method according to claim 1 is characterized in that: described sediment trapping sheet (21) is provided with the porous water pipe that sprays in order to sediment trapping sheet (21).
4. cooling tower sand prevention and dedusting method according to claim 1 is characterized in that: its section of described Ji Nigou (31) is isosceles-trapezium-shaped, and A/F is greater than the bottom of trench width, and the angle of two walls and horizontal plane is 25 °～45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100218896A CN101344361B (en) | 2008-08-18 | 2008-08-18 | Sand prevention and dedusting technology for cooling column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100218896A CN101344361B (en) | 2008-08-18 | 2008-08-18 | Sand prevention and dedusting technology for cooling column |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101344361A CN101344361A (en) | 2009-01-14 |
| CN101344361B true CN101344361B (en) | 2011-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100218896A Active CN101344361B (en) | 2008-08-18 | 2008-08-18 | Sand prevention and dedusting technology for cooling column |
Country Status (1)
| Country | Link |
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| CN (1) | CN101344361B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101893390B (en) * | 2010-05-24 | 2012-09-26 | 浙江金菱制冷工程有限公司 | Sand protecting and dust removing device for cooling tower |
| CN102692156B (en) * | 2012-06-28 | 2016-03-02 | 上海理工大学 | The husky device of centre of cooling column water vat spoil disposal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088298A (en) * | 1993-08-14 | 1994-06-22 | 岑宗琨 | A kind of corrugated plate dst remover for boiler |
| CN1138126A (en) * | 1995-06-15 | 1996-12-18 | 何纯提 | Nozzle mud pipe |
| CN1412126A (en) * | 2001-10-09 | 2003-04-23 | 刘万全 | Water-cleaning descaling jacket for cooling tower |
-
2008
- 2008-08-18 CN CN2008100218896A patent/CN101344361B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1088298A (en) * | 1993-08-14 | 1994-06-22 | 岑宗琨 | A kind of corrugated plate dst remover for boiler |
| CN1138126A (en) * | 1995-06-15 | 1996-12-18 | 何纯提 | Nozzle mud pipe |
| CN1412126A (en) * | 2001-10-09 | 2003-04-23 | 刘万全 | Water-cleaning descaling jacket for cooling tower |
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| Publication number | Publication date |
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| CN101344361A (en) | 2009-01-14 |
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