CN216482376U

CN216482376U - Sand prevention device of cooling tower

Info

Publication number: CN216482376U
Application number: CN202122682869.7U
Authority: CN
Inventors: 刘伟; 汪荣波
Original assignee: Hubei Huiyi Environmental Protection Technology Co ltd
Current assignee: Hubei Huiyi Environmental Protection Technology Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-10
Anticipated expiration: 2031-11-04

Abstract

The utility model discloses a sand prevention device of a cooling tower, which comprises a bracket, wherein the bracket is provided with an inner cylinder connected with the periphery of the bottom of the cooling tower and an outer cylinder arranged at the periphery of the inner cylinder, an annular top plate and an annular bottom plate are arranged between the outer cylinder and the inner cylinder, the inner cylinder is provided with a plurality of air outlets matched with an air inlet pipe at the bottom of the cooling tower, the outer cylinder is uniformly provided with a plurality of air inlets, two side plates are arranged between the air inlets and the air outlets, a plurality of inclined baffles are arranged at the air inlets in an up-down parallel manner, an outer filter screen is inserted at the positions of the air inlets at the inner sides of the inclined baffles, an exhaust fan is arranged at the position of the air outlets at the outer side of the exhaust fan, and a rotary spray nozzle is arranged at the bottom of the annular top plate. The utility model discloses a sand prevention device of a cooling tower, belongs to the technical field of cooling towers, has a good sand prevention effect, and effectively ensures the service life of the cooling tower.

Description

Sand prevention device of cooling tower

Technical Field

The utility model relates to a cooling tower technology, in particular to a sand prevention device of a cooling tower.

Background

The cooling tower is a device which uses water as circulating coolant, absorbs heat from a system and discharges the heat to the atmosphere so as to reduce the water temperature; the cold is an evaporation heat dissipation device which utilizes the principle that the heat is carried out by volatilization of steam to achieve evaporation heat dissipation, convection heat transfer, radiation heat transfer and the like to dissipate the waste heat generated in industry or refrigeration air conditioners to reduce the water temperature after the water is in flowing contact with the air to generate the steam through heat exchange.

No matter be wet cooling tower or dry-type cold tower of going, its body of the tower lower part always sets up the air intake, but because the operational environment of large-scale machinery often can be in the open air, receive the influence of sand and dust weather easily, at this moment just need use the sand and dust prevention device, but the dust screen of the sand and dust device that present cooling tower was prevented can not dismantle, thereby inconvenient workman overhauls the dust screen, bring into the dust simultaneously and be difficult to manage, trouble easily appears after long-term, long-time use can be because the sand and dust piles up trouble easily, thereby influence the cooling tower performance.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of the prior art and provides a sand prevention device of a cooling tower with good sand prevention effect.

In order to achieve the purpose, the utility model provides a sand prevention device of a cooling tower, which comprises a support, wherein the support is provided with an inner cylinder connected with the periphery of the bottom of the cooling tower and an outer cylinder arranged on the periphery of the inner cylinder, an annular top plate and an annular bottom plate are arranged between the outer cylinder and the inner cylinder, the inner cylinder is provided with a plurality of air outlets matched with an air inlet pipe at the bottom of the cooling tower, the outer cylinder is uniformly provided with a plurality of air inlets, two side plates are arranged between the air inlets and the air outlets, the air inlets are vertically and parallelly provided with a plurality of inclined baffles, an outer filter screen is inserted into the inner sides of the inclined baffles, the air outlets are provided with exhaust fans, the air outlets are provided with inner filter screens outside the exhaust fans, and the bottom of the annular top plate is provided with a rotary spray nozzle.

Furthermore, two the inner end of curb plate is equipped with vertical spout, two it is equipped with the slide to slide on the vertical spout, be equipped with on the slide with the lateral surface of interior filter screen suits the brush, lie in on the annular bottom plate the brush below is equipped with the blowdown groove.

Furthermore, a drain pipe communicated with each drain groove is arranged below the annular bottom plate.

Furthermore, a plurality of guide plates which are arched outwards are arranged between the two side plates on the annular bottom plate, and guide grooves communicated with the sewage discharge groove are formed in the annular bottom plate close to the two side plates.

Furthermore, a screw rod in threaded connection with the sliding plate is rotationally arranged in one of the vertical sliding grooves, and a driving motor for driving the screw rod is arranged at the top of the annular bottom plate.

Advantageous effects

Compared with the prior art, the sand prevention device of the cooling tower has the following beneficial effects:

(1) according to the sand prevention device of the cooling tower, the outer cylinder and the inner cylinder are arranged to surround the bottom of the cooling tower, a plurality of inclined baffles which are arranged up and down are arranged at an air inlet of the outer cylinder and can block particles with larger sizes, then primary filtering is carried out through the outer filter screen, the outer filter screen is inserted into the annular top plate and the annular bottom plate, slots which are matched with the outer filter screen are arranged on the annular top plate and the annular bottom plate to position the outer filter screen, and the outer filter screen can be replaced quickly or taken out for cleaning;

(2) in the sand prevention device of the cooling tower, the inner filter screen is arranged for secondary filtration, so that the sand prevention effect is good; air exhaust through the exhaust fan improves air supply speed, and is favorable for improving cooling efficiency of the cooling tower.

Drawings

FIG. 1 is a schematic view showing the construction of a sand control device of a cooling tower of the present invention;

FIG. 2 is an enlarged view of a part of the structure of the sand control device of the cooling tower of FIG. 1;

fig. 3 is a structural plan view of a sand control device of a cooling tower of the present invention.

In the figure: 1. a support; 2. an inner barrel; 3. an outer cylinder; 4. an annular top plate; 5. an annular base plate; 6. an air outlet; 7. an air inlet; 8. a side plate; 9. an inclined baffle plate; 10. an outer filter screen; 11. an exhaust fan; 12. an inner filter screen; 13. rotating the spray head; 14. a vertical chute; 15. a slide plate; 16. a brush; 17. a sewage draining groove; 18. a blow-off pipe; 19. a baffle; 20. a diversion trench; 21. a screw; 22. the motor is driven.

Detailed Description

The following detailed description of the present invention is provided in conjunction with the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the specific embodiments.

The specific embodiments of the present invention are such that: as shown in fig. 1-3, a sand-proof device of a cooling tower comprises a bracket 1, an inner cylinder 2 connected with the bottom periphery of the cooling tower and an outer cylinder 3 arranged at the periphery of the inner cylinder 2 are arranged on the bracket 1, an annular top plate 4 and an annular bottom plate 5 are arranged between the outer cylinder 3 and the inner cylinder 2, a plurality of air outlets 6 matched with an air inlet pipe at the bottom of the cooling tower are arranged on the inner cylinder 2, a plurality of air inlets 7 are uniformly arranged on the outer cylinder 3, two side plates 8 are arranged between the air inlets 7 and the air outlets 6, the two side plates 8 are obliquely arranged, the outer ends of the two side plates 8 are opened towards two sides, a plurality of inclined baffles 9 are arranged at the air inlets 7 in an up-down parallel manner, an outer filter screen 10 is inserted at the inner side of the inclined baffles 9 at the air inlets 7, an exhaust fan 11 is arranged at the air outlets 6, an inner filter screen 12 is arranged at the outer side of the exhaust fan 11 at the air outlets 6, a rotary nozzle 13 is arranged at the bottom of the annular top plate 4, the valve is arranged on the water pipe of the rotary spray nozzle 13, the rotary spray nozzle 13 is connected with the water pipe in the cooling tower, and water can be sprayed to the air inlet channel between the outer cylinder 3 and the inner cylinder 2, so that dust in the air can be effectively removed.

Among this sand prevention device of cooling tower, urceolus 3 and inner tube 2 surround the bottom of cooling tower, the oblique baffle 9 of a plurality of upper and lower arrangements that the air intake 7 department of urceolus 3 set up can block the great granule of size, then carry out the prefilter through outer filter screen 10, outer filter screen 10 is inserted and is established on annular roof 4 and annular bottom plate 5, set up on annular roof 4 and the annular bottom plate 5 and fix a position outer filter screen 10 with the slot of outer filter screen 10 looks adaptation, outer filter screen 10 can quick replacement or take out the washing.

The inner filter screen 12 at the air outlet 6 is used for secondary filtration, so that the sand prevention effect is good; then, the exhaust fan 11 is used for exhausting air, so that the air supply speed is increased, and the cooling efficiency of the cooling tower is improved.

In this embodiment, the inner ends of the two side plates 8 are provided with vertical sliding grooves 14, sliding plates 15 are slidably arranged on the two vertical sliding grooves 14, brushes 16 adapted to the outer side surfaces of the inner filter screens 12 are arranged on the sliding plates 15, a sewage draining groove 17 is arranged below the brushes 16 on the annular bottom plate 5, the sliding plates 15 can slide up and down, and the brushes 16 on the sliding plates 15 can clean the outer side surfaces of the inner filter screens 12. One end of the slide plate 15 may be provided with a push-pull rod extending to the outside of the ring-shaped top plate 4, by which the slide plate 15 is slid.

Dust and sewage can be collected and discharged from the sewage discharge tank 17.

In this embodiment, the lower part of the annular bottom plate 5 is provided with a sewage discharge pipe 18 communicated with each sewage discharge groove 17, sewage in each sewage discharge groove 17 can be concentrated in the sewage discharge pipe 18, and then is uniformly filtered and discharged, so that the pipeline arrangement is reduced, and the cost is saved.

In this embodiment, a plurality of outward-arched flow deflectors 19 are arranged on the annular bottom plate 5 between the two side plates 8, and flow guiding grooves 20 communicated with the sewage draining grooves 17 are arranged on the annular bottom plate 5 near the two side plates 8. The air inlet 7 is blocked by the air deflector 19, and dust in the air can flow into the flow guide groove 20 along the outer wall of the air deflector 19 after being blocked, and then is blown into the sewage discharge groove 17.

In this embodiment, a screw 21 in threaded connection with the sliding plate 15 is rotatably disposed in one of the vertical sliding grooves 14, a driving motor 22 for driving the screw 21 is disposed at the top of the annular bottom plate 5, the driving motor 22 can drive the screw 21 to rotate, the screw 21 rotates to drive the sliding plate 15 to slide up and down, and the brush 16 on the sliding plate 15 can clean the outer side surface of the inner filter screen 12.

The above is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that several variations and modifications can be made without departing from the structure of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.

Claims

1. The sand prevention device of the cooling tower comprises a support (1) and is characterized in that an inner barrel (2) connected with the periphery of the bottom of the cooling tower and an outer barrel (3) arranged on the periphery of the inner barrel (2) are arranged on the support (1), an annular top plate (4) and an annular bottom plate (5) are arranged between the outer barrel (3) and the inner barrel (2), a plurality of air outlets (6) matched with an air inlet pipe at the bottom of the cooling tower are arranged on the inner barrel (2), a plurality of air inlets (7) are uniformly arranged on the outer barrel (3), two side plates (8) are arranged between the air inlets (7) and the air outlets (6), a plurality of inclined baffles (9) are arranged in parallel from top to bottom at the positions of the air inlets (7), an outer filter screen (10) is inserted into the inner sides of the inclined baffles (9), an exhaust fan (11) is arranged at the positions of the air outlets (6), the air outlet (6) is located an inner filter screen (12) is arranged on the outer side of the exhaust fan (11), and a rotary spray head (13) is arranged at the bottom of the annular top plate (4).

2. The sand prevention device of a cooling tower according to claim 1, wherein the inner ends of the two side plates (8) are provided with vertical sliding grooves (14), the two vertical sliding grooves (14) are slidably provided with sliding plates (15), the sliding plates (15) are provided with brushes (16) adapted to the outer side surfaces of the inner filter screens (12), and a sewage discharge groove (17) is formed below the brushes (16) on the annular bottom plate (5).

3. A sand control device for a cooling tower as claimed in claim 2, wherein a drain pipe (18) communicating with each drain groove (17) is provided below the annular bottom plate (5).

4. A sand control device for a cooling tower according to claim 2 or 3, wherein a plurality of outward arched guide plates (19) are arranged on the annular bottom plate (5) between the two side plates (8), and a guide groove (20) communicated with the sewage drainage groove (17) is arranged on the annular bottom plate (5) near the two side plates (8).

5. A sand control device for a cooling tower according to claim 4, wherein a screw (21) in threaded connection with the sliding plate (15) is rotatably arranged in one of the vertical sliding chutes (14), and a driving motor (22) for driving the screw (21) is arranged at the top of the annular bottom plate (5).