CN211896616U

CN211896616U - Centrifugal sludge dewatering device

Info

Publication number: CN211896616U
Application number: CN201922467556.2U
Authority: CN
Inventors: 刘明刚
Original assignee: Nanjing Yonghe Environmental Protection Engineering Co ltd
Current assignee: Nanjing Yonghe Environmental Protection Engineering Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-11-10
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a centrifugal sludge dewatering device, which comprises a bracket, wherein a centrifugal outer barrel is arranged on the bracket, the top and the bottom of the centrifugal outer barrel are both provided with a rotary shaft sleeve, a centrifugal inner barrel is arranged inside the centrifugal outer barrel, a dewatering gap is formed between the centrifugal outer barrel and the centrifugal inner barrel, the top of the centrifugal inner barrel is provided with a sludge inlet, the bottom of the centrifugal inner barrel is provided with a sludge outlet, and the outer walls of the sludge inlet and the sludge outlet are both movably connected with the rotary shaft sleeve; the top of the centrifugal outer barrel is also connected with an air inlet pipeline, the air inlet pipeline is provided with a fan and a heating sleeve, the fan extracts outside air and heats the air and then injects the air into the centrifugal outer barrel, the air is injected into the centrifugal inner barrel through holes in the centrifugal inner barrel, the bottom of the centrifugal outer barrel is connected with a water outlet pipe, and a filter box is arranged on the water outlet pipe. The device adopts centrifugal dehydration technique, has improved dehydration rate, and blows off the mud after will dehydrating through steam, and need not to adopt the screw rod to carry mud, when having reduced equipment loss like this, has improved the dehydration effect of mud.

Description

Centrifugal sludge dewatering device

Technical Field

The utility model relates to a sludge treatment technical field, concretely relates to centrifugal sludge dewatering device.

Background

The sludge is a necessary product after sewage treatment in sewage treatment plants and sewage stations, and after the sludge which is not effectively treated enters the environment, secondary pollution is directly brought to water and atmosphere, and serious threat is formed to ecological environment and human activities. Therefore, sludge is very careful in treatment, and sludge dewatering is an important part of sludge treatment.

At present, sludge dewatering operation is usually carried out in a screw pump extrusion mode, when the sludge dewatering operation is carried out in the screw pump extrusion mode, the screw pump is required to keep pressure of more than 6 kilograms for a long time, the hidden trouble of reducing the service life of the screw pump exists, meanwhile, in the pressing-down process, the internal pressure easily causes reduction of sludge flow, the reduction range is large, and the sludge dewatering efficiency is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a centrifugal sludge dewatering device, its principle that adopts centrifugal dehydration has solved the defect that current sludge dewatering equipment dehydration is inefficient, and the equipment loss is big.

The utility model discloses a following technical scheme realizes above-mentioned purpose:

a centrifugal sludge dewatering device comprises a support, wherein a centrifugal outer barrel is mounted on the support, rotary shaft sleeves are arranged at the top and the bottom of the centrifugal outer barrel, a centrifugal inner barrel with a hole is arranged in the centrifugal outer barrel, a dewatering gap is formed between the centrifugal outer barrel and the centrifugal inner barrel, a sludge inlet is formed in the top of the centrifugal inner barrel, a sludge outlet is formed in the bottom of the centrifugal inner barrel, the outer walls of the sludge inlet and the sludge outlet are movably connected with the rotary shaft sleeves, a closed cover is arranged at the sludge outlet, a motor is mounted on the centrifugal outer barrel, a driving gear is connected to the output end of the motor, a driven gear is arranged outside the sludge inlet and meshed with the driving gear;

the top of centrifugation urceolus still is connected with the admission line, be equipped with fan and heating jacket on the admission line, the fan extracts in the centrifugal urceolus is irritated after the outside air heating to by the hole on the centrifugation inner tube irritate inside the centrifugation inner tube, the bottom of centrifugation urceolus is connected with the outlet pipe, be equipped with the rose box on the outlet pipe.

The improved structure of the centrifugal outer barrel is characterized in that the rotary shaft sleeve is integrally formed by a shaft sleeve body and an installation ring plate located on the outer ring of the shaft sleeve body, an annular groove is formed in the inner wall of the shaft sleeve body, protruding rings matched with the annular groove are formed on the outer walls of the sludge inlet and the sludge outlet, the protruding rings are embedded into the annular groove, the sludge inlet and the sludge outlet are movably connected with the shaft sleeve body, and a plurality of bolt holes are formed in the installation ring plate and used for inserting bolts to enable the installation ring plate to be fixed on the barrel wall of the centrifugal outer barrel.

The improved sludge treatment device is characterized in that an inlet hopper is fixed on the support and positioned above the sludge inlet, and the lower end of the inlet hopper extends into the sludge inlet and is not in contact with the inner wall of the sludge inlet.

In a further improvement, the closing cover is detachably connected to the inside of the sludge outlet through threads.

The further improvement lies in that a valve is arranged on the water outlet pipe.

The improved water filter box is characterized in that the filter box comprises a box body and a filter screen cylinder movably arranged in the box body, a box cover is arranged at the top of the box body, a water inlet and a water outlet are respectively arranged on opposite side edges of the box body, one end of the filter screen cylinder is an opening, and the opening is tightly attached to one side of the water inlet of the box body.

The further improvement is that the top of the filter screen cylinder is provided with a handle, and the bottom of the filter screen cylinder is provided with supporting legs.

The further improvement is that the lower part of the centrifugal inner cylinder is in a reducing structure.

The beneficial effects of the utility model reside in that: the device adopts centrifugal dehydration technique, has improved dehydration rate, and blows off the mud after will dehydrating through steam, and need not to adopt the screw rod to carry mud, when having reduced equipment loss like this, has improved the dehydration effect of mud.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a rotary sleeve;

FIG. 3 is a schematic view of the filter box;

in the figure: 1. a support; 2. a centrifugal outer cylinder; 3. rotating the shaft sleeve; 301. a shaft sleeve body; 302. installing a ring plate; 303. a ring groove; 304. bolt holes; 4. centrifuging the inner barrel; 5. a dewatering gap; 6. a sludge inlet; 7. a sludge outlet; 8. closing the cover; 9. a motor; 10. a drive gear; 11. a driven gear; 12. an air intake duct; 13. a fan; 14. heating a jacket; 15. a water outlet pipe; 16. a filter box; 161. a box body; 162. a filter screen cylinder; 163. a box cover; 164. a water inlet; 165. a water outlet; 166. a handle; 167. supporting legs; 17. a convex ring; 18. an inlet hopper; 19. and (4) a valve.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Referring to fig. 1 to 3, a centrifugal sludge dewatering device comprises a bracket 1, a centrifugal outer cylinder 2 is mounted on the bracket 1, rotary shaft sleeves 3 are respectively arranged at the top and the bottom of the centrifugal outer cylinder 2, a centrifugal inner cylinder 4 with pores is arranged in the centrifugal outer cylinder 2, the pores can only allow water to pass through, but not let the sludge particles pass through, a dehydration gap 5 is formed between the centrifugal outer cylinder 2 and the centrifugal inner cylinder 4, the top of the centrifugal inner cylinder 4 is provided with a sludge inlet 6, the bottom of the centrifugal inner cylinder 4 is provided with a sludge outlet 7, the outer walls of the sludge inlet 6 and the sludge outlet 7 are movably connected with the rotary shaft sleeve 3, and a closed cover 8 is arranged at the sludge outlet 7, a motor 9 is arranged on the centrifugal outer cylinder 2, the output end of the motor 9 is connected with a driving gear 10, a driven gear 11 is arranged outside the sludge inlet 6, and the driven gear 11 is meshed with the driving gear 10. The top of the centrifugal outer barrel 2 is also connected with an air inlet pipeline 12, the air inlet pipeline 12 is provided with a fan 13 and a heating sleeve 14, the fan 13 extracts outside air and heats the air and then injects the air into the centrifugal outer barrel 2, the air is injected into the centrifugal inner barrel 4 through the holes in the centrifugal inner barrel 4, the lower part of the centrifugal inner barrel 4 is of a reducing structure, the bottom of the centrifugal outer barrel 2 is connected with a water outlet pipe 15, and the water outlet pipe 15 is provided with a filter box 16 for filtering the separated water body.

Wherein, rotatory axle sleeve 3 is by being annular axle sleeve body 301 and the installation crown plate 302 integrated into one piece that is located axle sleeve body 301 outer lane, annular 303 has been seted up to the inner wall of axle sleeve body 301, the outer wall of mud import 6 and mud export 7 all be formed with annular 303 assorted bulge loop 17, bulge loop 17 imbeds in the annular 303, realize the swing joint of mud import 6 and mud export 7 and axle sleeve body 301, be equipped with a plurality of bolt hole 304 on the installation crown plate 302, be used for inserting the bolt to make installation crown plate 302 fix on the section of thick bamboo wall of centrifugal urceolus 2. The upper and lower rotary shaft sleeves 3 simultaneously support the centrifugal inner cylinder 4, so that the centrifugal inner cylinder 4 can stably rotate relative to the centrifugal outer cylinder 2, and centrifugal dehydration is realized.

An inlet hopper 18 is fixed on the support 1, the inlet hopper 18 is positioned above the sludge inlet 6, the lower end of the inlet hopper 18 extends into the sludge inlet 6 and is not in contact with the inner wall of the sludge inlet 6, smooth pouring of sludge is guaranteed, and influence on rotation of the centrifugal inner barrel 4 is avoided.

The connection can be dismantled in the inside of mud export 7 through the screw thread to closing lid 8, and between dehydrating, will closing lid 8 connect, can splendid attire mud in the centrifugation inner tube 4 like this, after accomplishing the dehydration, will close lid 8 and screw down, can be with the inside mud discharge of having dehydrated.

In particular, the outlet pipe 15 is provided with a valve 19 for manually opening or closing the outlet pipe 15. The filtering box 16 is composed of a box body 161 and a filtering net drum 162 movably arranged in the box body 161, a box cover 163 is arranged at the top of the box body 161, a water inlet 164 and a water outlet 165 are respectively arranged at opposite side edges of the box body 161, and one end of the filtering net drum 162 is open and the opening is tightly attached to one side of the water inlet 164 of the box body 161. After the water introduced from the water inlet 164 is filtered by the filter screen drum 162, the impurities are retained in the filter screen drum 162, and the water is filtered by other surfaces of the filter screen drum 162 and finally discharged from the water outlet 165. The top of the filter screen cylinder 162 is provided with a handle 166 to facilitate taking out the filter screen cylinder 162, and the bottom of the filter screen cylinder 162 is provided with supporting legs 167 to prevent the bottom surface of the filter screen cylinder 162 from contacting the box body 161 and affecting the filtering effect of the surface.

The utility model discloses a working process does: the motor 9, the fan 13 and the heating jacket 14 are all powered on, the closing cover 8 is closed firstly, sludge is filled into the centrifugal inner barrel 4 through the inlet hopper 18, then the motor 9 is started, the driven gear 11 is driven to rotate through the driving gear 10, so that the centrifugal inner barrel 4 rotates at a high speed relative to the centrifugal outer barrel 2, centrifugal force is generated, moisture of the sludge in the centrifugal inner barrel 4 is thrown into the dehydration gap 5 from the hole, and the sludge is filtered by the filter box 16 on the water outlet pipe 15 and then is discharged. After the dehydration is finished, the fan 13 and the heating sleeve 14 are started, the closing cover 8 is opened at the same time, high-temperature gas is pumped into the dehydration gap 5 from the gas inlet pipeline 12 and is poured into the centrifugal inner cylinder 4 from the hole on the centrifugal inner cylinder 4, and under the impact of the high-temperature gas, sludge in the centrifugal inner cylinder 4 is gradually scattered and is discharged from the sludge outlet 7.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a centrifugal sludge dewatering device, includes support (1), its characterized in that: the centrifugal outer cylinder (2) is arranged on the support (1), the top and the bottom of the centrifugal outer cylinder (2) are respectively provided with a rotating shaft sleeve (3), a centrifugal inner cylinder (4) with a pore is arranged inside the centrifugal outer cylinder (2), a dehydration gap (5) is formed between the centrifugal outer cylinder (2) and the centrifugal inner cylinder (4), the top of the centrifugal inner cylinder (4) is provided with a sludge inlet (6), the bottom of the centrifugal inner cylinder (4) is provided with a sludge outlet (7), the outer walls of the sludge inlet (6) and the sludge outlet (7) are movably connected with the rotary shaft sleeve (3), a closed cover (8) is arranged at the sludge outlet (7), a motor (9) is arranged on the centrifugal outer cylinder (2), the output end of the motor (9) is connected with a driving gear (10), a driven gear (11) is arranged outside the sludge inlet (6), and the driven gear (11) is meshed with the driving gear (10);

the top of centrifugation urceolus (2) still is connected with admission line (12), be equipped with fan (13) and heating jacket (14) on admission line (12), fan (13) extract outside air heat back pour into in centrifugation urceolus (2) to pour into inside centrifugation urceolus (4) by the hole on the centrifugation inner tube (4), the bottom of centrifugation urceolus (2) is connected with outlet pipe (15), be equipped with rose box (16) on outlet pipe (15).

2. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: the rotary shaft sleeve (3) is formed by integrally forming a shaft sleeve body (301) and a mounting ring plate (302) located on the outer ring of the shaft sleeve body (301), an annular groove (303) is formed in the inner wall of the shaft sleeve body (301), the outer walls of a sludge inlet (6) and a sludge outlet (7) are respectively provided with a convex ring (17) matched with the annular groove (303), the convex rings (17) are embedded into the annular groove (303) to realize the movable connection of the sludge inlet (6) and the sludge outlet (7) with the shaft sleeve body (301), and the mounting ring plate (302) is provided with a plurality of bolt holes (304) for inserting bolts to fix the mounting ring plate (302) on the cylinder wall of the centrifugal outer cylinder (2).

3. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: an inlet hopper (18) is fixed on the support (1), the inlet hopper (18) is positioned above the sludge inlet (6), and the lower end of the inlet hopper (18) extends into the sludge inlet (6) and is not in contact with the inner wall of the sludge inlet (6).

4. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: the closed cover (8) is detachably connected to the inside of the sludge outlet (7) through threads.

5. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: and a valve (19) is arranged on the water outlet pipe (15).

6. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: the filter box (16) comprises box (161) and the activity filter screen section of thick bamboo (162) of placing in box (161), box (161) top is equipped with case lid (163), and the opposition side of box (161) is equipped with water inlet (164) and delivery port (165) respectively, filter screen section of thick bamboo (162) wherein one end is the opening, and the opening hugs closely and places in water inlet (164) one side of box (161).

7. A centrifugal sludge dewatering apparatus according to claim 6, characterized in that: the top of the filter screen cylinder (162) is provided with a handle (166), and the bottom of the filter screen cylinder (162) is provided with supporting legs (167).

8. A centrifugal sludge dewatering apparatus according to claim 1, characterized in that: the lower part of the centrifugal inner cylinder (4) is of a reducing structure.