CN201120215Y

CN201120215Y - Roller screen

Info

Publication number: CN201120215Y
Application number: CNU2007200442479U
Authority: CN
Inventors: 倪其军; 眭爱国; 周谦
Original assignee: 702th Research Institute of CSIC
Current assignee: 702th Research Institute of CSIC
Priority date: 2007-09-26
Filing date: 2007-09-26
Publication date: 2008-09-24
Anticipated expiration: 2017-09-26

Abstract

The utility model discloses a roller screen, which comprises a frame, namely the frame is a rectangular box body and the bottom thereof is provided with a water outlet, and both ends thereof are provided with rollers, wherein one end of a roller is connected with the output shaft of a motor through a driving mechanism, and an annular screen mesh is sleeved between the two roller screens, one end of the rectangular box body is provided with a reduction box which is in long-slotted shape, and the bottom thereof is provided with a longitudinal opening, and both ends thereof are fixed on the upper edging of both side walls of the rectangular box body, a flow-delaying plate is arranged in the reduction box, the long edging of the flow-delaying plate is higher than the other long edging, wherein the higher long edging is fixed on the inner side of the long box wall of the reduction box, the other long edging thereof forms a distance with the long box wall which is near to the other long edging, a material receiving bucket is arranged on the outside under the roller which is not near to the reduction box, and a concentrated algae collection box is arranged under the material receiving bucket. The secondary pollution to environment can be avoided after adopting the roller screen to separate algae and water of blue algae, and the roller screen is suitable for separating algae and water when the blue algae bursts in lake.

Description

Drum screen

Technical field

The utility model relates to a kind of filter.Specifically, be used for carrying out algae, moisture from drum screen.Be applicable to algae when blue algae bloom occurring in the lake, moisture from.

Background technology

In recent years, the blue algae bloom situation appears in some inland lakes repeatedly, and freshwater resources have been caused severe contamination.In order to solve the pollution that blue-green algae is caused fresh water, when blue algae bloom, all to transfer great amount of manpower, adopt ancient manual mode or the pump mode of taking out to come the blue-green algae that floats on the surface is salvaged.And the blue-green algae of adopting manual mode or the pump mode of taking out to salvage contains a large amount of moisture, and volume is big, it is many to take up space, as do not carry out algae moisture from, the blue-green algae that salvages is deposited in the bank, lake, can bring secondary pollution to environment.If take the principles of chemistry carry out algae moisture from, also can cause secondary pollution.

The utility model content

Problem to be solved in the utility model provides a kind of drum screen.Adopt this drum screen to the blue-green algae that salvages carry out algae, moisture from after, can avoid the secondary pollution that environment is caused.

For addressing the above problem, take following technical scheme:

Drum screen characteristics of the present utility model are to contain organic frame, and this frame is the cuboid casing, and delivery port is arranged at its bottom, and all there is cylinder at its two.Two cylinders parallel, and their two ends all are rotatable shape by the tube axle and are installed on two long sidewalls of cuboid casing.One of them cylinder one end has motor, and the output shaft of motor links to each other with an end of a cylinder by transmission mechanism.All there is sprocket wheel at the cylinder two ends, are with circular screen between two cylinders.There is reduction box a top of cuboid casing, and this reduction box is a long groove shape, longitudinal opening is arranged at the bottom of its case, and its two ends are fixed on the upper edge, two side of cuboid casing, and the unhurried current plate is arranged in it.Said unhurried current plate is a rectangle, and an one long limit is higher than another long limit, and wherein, the long limit of higher that is fixed on a long tank wall inboard of reduction box, leaves spacing between its another long limit and adjacent that long tank wall.There is receiving hopper in the outside of that not adjacent with reduction box cylinder below, and dense algae collecting box is arranged under the receiving hopper.

Said circular screen is made up of supporting network and filter screen, and the two is connected mutually by press strip.

Supporting network wherein is under the filter screen, and the mesh of supporting network is greater than the mesh of screen cloth.

On motor output shaft and that cylinder one end adjacent with motor drive sprocket is all arranged, be with driving-chain between two drive sprockets, form transmission mechanism by two drive sprockets and driving-chain.

That cylinder inboard one of contiguous receiving hopper is provided with high-pressure air pipe, this high-pressure air pipe is connected with the gas outlet of air compressor when work, and it is in the circular screen, and its two ends are fixed on the two side of cuboid casing, be evenly equipped with the gas outlet on it, nozzle is all arranged on each gas outlet.

Take such scheme, have the following advantages:

Because it comprises frame the utility model drum screen, this frame is the cuboid casing, and delivery port is arranged at its bottom, and all there is cylinder at its two.The two ends of two cylinders all are rotatable shape by the tube axle and are installed on two long sidewalls of cuboid casing.One of them cylinder one end has motor, and the output shaft of motor links to each other with an end of a cylinder by transmission mechanism.All there is sprocket wheel at the cylinder two ends, are with circular screen on two cylinders, and the both sides of circular screen are evenly equipped with engaging hole, and this engaging hole is corresponding with the sprocket on the sprocket wheel, and the two meshes together under running status correspondingly.During work, rotate together at the drive cylinder and the circular screen of motor and transmission mechanism thereof.There is reduction box a top of cuboid casing, and this reduction box is a long groove shape, longitudinal opening is arranged at the bottom of its case, and its two ends are fixed on the upper edge, two side of cuboid casing, and the unhurried current plate is arranged in it.Said unhurried current plate is a rectangle, and an one long limit is higher than another long limit, and wherein, the long limit of higher that is fixed on a long tank wall inboard of reduction box, leaves spacing between its another long limit and adjacent that long tank wall.There is receiving hopper that not adjacent with reduction box cylinder below, and dense algae collecting box is arranged under the receiving hopper.During work, the blue-green algae that has large quantity of moisture is admitted in the reduction box by water pump and pipeline.The moisture blue-green algae that enters reduction box through the current-sharing of unhurried current plate after, enter the reduction box case from the spacing between itself and long tank wall at the bottom of, and the longitudinal opening at the bottom of the reduction box case flows on the circular screen equably.Circular screen rolls with certain speed under the rotation of cylinder, rolling by cylinder makes the circular screen vibration, thereby the moisture in the blue-green algae is leaked down from mesh, the low water content blue-green algae of staying on the wire side falls in the dense algae collecting box by receiving hopper under its gravity effect, has realized algae, the water of the blue-green algae that salvages are separated automatically.Avoided not to blue-green algae carry out algae, moisture from or with the principles of chemistry blue-green algae is carried out algae, moisture from the secondary pollution that environment is brought.

Description of drawings

Fig. 1 is a drum screen schematic diagram of the present utility model;

Fig. 2 is Fig. 1 schematic top plan view of removing behind the dense algae collecting box.

The specific embodiment

As depicted in figs. 1 and 2, drum screen of the present utility model comprises frame, and this frame is a cuboid casing 15, and its bottom is processed with delivery port 1, and its two is provided with cylinder 7.Two 7 on cylinders parallel, and their two ends all are rotatable shape by tube axle 8 and bearing and are installed on 15 two long sidewalls of cuboid casing, are with circular screen 9 between them.One of them cylinder 7 one ends below is provided with motor, this motor is fixed on the tank wall of 15 1 of cuboid casings, with those cylinder 7 one ends that are adjacent drive sprocket 2 is installed all on its

output shaft

3,2 of two drive sprockets are with driving-chain 6, form transmission mechanism by two drive sprockets 2 and driving-chain 6.A top of cuboid casing 15 is provided with reduction box 10, and this reduction box is a long groove shape, is processed with longitudinal opening 12 at the bottom of its case, and its two ends are fixed on the upper edge, two side of cuboid casing 15, and unhurried current plate 11 is installed in it.Said unhurried current plate 11 is a rectangle, and an one long limit is higher than another long limit, and wherein, the long limit of higher that is fixed on the long tank wall medial surface of reduction box 10, leaves spacing 13 between its another long limit and adjacent that long tank wall.Those not adjacent with reduction box 10 cylinder 7 belows are equipped with receiving hopper 5, the equal in length of the length of this receiving hopper and cylinder 7, and its below is provided with dense algae collecting box 4.

For strengthening the intensity of circular screen 9, said circular screen 9 is made up of supporting network 17 and filter screen 16, and the two is connected mutually by press strip 18.Supporting network 17 wherein is under the filter screen 16, and the mesh of supporting network 17 is greater than the mesh of filter screen 16.

For the mesh that prevents circular screen 9 blocked, those cylinder 7 inboards 5 one of contiguous receiving hoppers are provided with high-pressure air pipe 20, this high-pressure air pipe is connected with the gas outlet of air compressor, it is in the circular screen 9, its two ends are fixed on the two side of cuboid casing 15, be evenly equipped with the gas outlet on it, nozzle 19 all is installed on each gas outlet.

During work, the blue-green algae that has large quantity of moisture is admitted in the reduction box 10 by water pump and pipeline 14.Enter moisture blue-green algaes in the reduction box 10 through 11 current-sharings of unhurried current plate after, enter the case of reduction box 10 from the spacing 13 between itself and long tank wall at the bottom of, and the longitudinal opening 12 at the bottom of the reduction box 10 casees flows on the circular screen 9 equably.Circular screen 9 rolls with certain speed under the rotation of cylinder 7, rolling by cylinder 7 makes circular screen 9 vibrations, thereby the moisture in the blue-green algae is leaked down from mesh, the low water content blue-green algae of staying on the wire side falls in the dense algae collecting box 4 by receiving hopper 5 under its gravity effect, has realized algae, the water of the blue-green algae that salvages are separated automatically.Meanwhile, by high-pressure air pipe 20 and on 19 pairs of circular screens 9 of nozzle blow, the blue-green algae that is blocked on the mesh is blown away, to guarantee the filter effect of circular screen 9.

Claims

1. drum screen is characterized in that comprising frame, and this frame is cuboid casing (15), and delivery port (1) is arranged at its bottom, and all there is cylinder (7) at its two; Two cylinders (7) parallel, and their two ends all are rotatable shape by tube axle (8) and are installed on (15) two long sidewalls of cuboid casing; One of them cylinder (7) one end has motor, and the output shaft of motor (3) links to each other by the end of transmission mechanism with a cylinder (7); Be with circular screen (9) between two cylinders (7); There is reduction box (10) top of cuboid casing (15), and this reduction box is a long groove shape, longitudinal opening (12) is arranged at the bottom of its case, and its two ends are fixed on the upper edge, two side of cuboid casing (15), and unhurried current plate (11) is arranged in it; Said unhurried current plate (11) is a rectangle, and an one long limit is higher than another long limit, and wherein, the long limit of higher that is fixed on a long tank wall inboard of reduction box (10), leaves spacing (13) between its another long limit and adjacent that long tank wall; There is receiving hopper (5) in the outside of not adjacent with reduction box (10) that cylinder (7) below, and dense algae collecting box (4) is arranged under the receiving hopper (5).

2. drum screen according to claim 1 is characterized in that said circular screen (9) is made up of supporting network (17) and filter screen (16), and the two is connected mutually by press strip (18).

3. drum screen according to claim 2 it is characterized in that supporting network (17) is under the filter screen (16), and the mesh of supporting network (17) is greater than the mesh of filter screen (16).

4. drum screen according to claim 1, it is characterized in that motor output shaft (3) is gone up and that cylinder (7) one ends adjacent with motor all have drive sprocket (2), be with driving-chain (6) between two drive sprockets (2), form transmission mechanism by two drive sprockets (2) and driving-chain (6).

5. according to the described drum screen of arbitrary claim in the claim 1～4, there is high-pressure air pipe (20) that cylinder (7) inboard that it is characterized in that (5) one of contiguous receiving hoppers, this high-pressure air pipe is connected with the gas outlet of air compressor when work, it is in the circular screen (9), its two ends are fixed on the two side of cuboid casing (15), be evenly equipped with the gas outlet on it, nozzle (19) is all arranged on each gas outlet.