CN218690516U

CN218690516U - Sludge dewatering device seal structure

Info

Publication number: CN218690516U
Application number: CN202222746385.9U
Authority: CN
Inventors: 张宇恒; 高锦宇; 杨毓松
Original assignee: Jiangsu Xinyu Tiancheng Environmental Protection Co ltd
Current assignee: Jiangsu Xinyu Tiancheng Environmental Protection Co ltd
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-03-24
Anticipated expiration: 2032-10-18

Abstract

The utility model discloses a sludge dewatering device seal structure, including dehydration tank, first seal assembly and second seal assembly to and dehydration tank internally mounted's centrifuge bowl, first seal assembly and second seal assembly all install in the bottom of centrifuge bowl. A sludge dewatering device seal structure, the sealing base that centrifugal cylinder bottom cover was established, the bearing and the sealing washer of accessible inboard installation, seal the bottom of centrifugal cylinder, thereby avoid mud in the centrifugal cylinder at the in-process of dehydration, the problem of revealing through the centrifugal cylinder bottom, and the setting of sealing washer outer end bearing, also make the sealing washer can closely laminate with the centrifugal cylinder bottom and rotate thereupon, and rotatory process can not increase the rotatory resistance in of centrifugal cylinder yet, centrifugal cylinder bottom both sides second electric putter driven fixed plate, also can be with the inboard sealed pad of fixed plate, extrude the upper end to the sealing washer, thereby the cooperation sealing washer, strengthen the sealed effect to the centrifugal cylinder bottom.

Description

Sludge dewatering device seal structure

Technical Field

The utility model relates to a sludge dewatering handles technical field, in particular to sludge dewatering device seal structure.

Background

The sludge dewatering technology is a sludge treatment method for dewatering fluid primary, concentrated or digested sludge and converting the sludge into semi-solid or solid sludge blocks, after dewatering, the water content of the sludge can be reduced to fifty-five to eighty percent, depending on the properties of the sludge and sediments and the efficiency of dewatering equipment, further dewatering of the sludge is called sludge drying, and the water content of the dried sludge is lower than ten percent.

Although the conventional sludge dewatering device, such as the centrifugal sludge dewatering device disclosed in publication number CN211896616U, has the advantage of improving the sludge dewatering effect, the bottom of the centrifugal inner cylinder in high-speed rotation is only sealed by a closing cover, and the closing cover at the bottom of the centrifugal inner cylinder is easy to loose due to rotation to influence the sealing effect at the bottom of the centrifugal inner cylinder.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a sludge dewatering device seal structure can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a sludge dewatering device seal structure, includes dehydration box, first seal assembly and second seal assembly to and dehydration box internally mounted's centrifuge bowl, first seal assembly all installs in the bottom of centrifuge bowl with the second seal assembly, first seal assembly includes the fixed closing plate that sets up of centrifuge bowl bottom parallel and level department in the dehydration box to and the round mouth that closing plate central authorities department seted up, first seal assembly still includes the cover of closing plate central authorities round mouth internally mounted and establishes the sealing base in centrifuge bowl bottom to and sealing base inner wall department fixed mounting's bearing.

Preferably, the outer wall of the sealing base is kept attached to the inner wall of the round opening in the center of the sealing plate.

Preferably, the first sealing assembly further comprises a sealing ring fixedly mounted on the inner side of the bearing.

Preferably, the sealing base is attached to the outer wall of the centrifuge tube by a sealing ring inside the centrifuge tube after being sleeved on the bottom of the centrifuge tube.

Preferably, the first sealing assembly further comprises a first electric push rod arranged at the bottom of the sealing base and used for driving the sealing base.

Preferably, the second sealing assembly comprises round holes formed in two sides of the dewatering box at the upper end of the sealing plate in a penetrating mode and a second electric push rod fixedly installed at the upper end of the dewatering box outside the round holes.

Preferably, the second sealing assembly further comprises a fixing plate and a sealing gasket, wherein two sides of the bottom of the centrifugal cylinder are installed at the upper end of the second electric push rod, the sealing gasket is fixedly installed on the inner side of the fixing plate, and the fixing plate and the sealing gasket are of semicircular structures and are matched with the centrifugal cylinder.

Preferably, the dewatering box further comprises a binding ring welded on the outer side of the center of the centrifugal cylinder, and a plurality of groups of supporting frames arranged inside the dewatering box for clamping and binding the binding ring, and the upper end of the dewatering box is further provided with a driving device for driving the centrifugal cylinder to rotate and a drain pipe arranged on one side of the bottom of the sealing plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. a sealing base is sleeved at the bottom of a centrifugal cylinder, the bottom of the centrifugal cylinder can be sealed through a bearing and a sealing ring which are arranged on the inner side, so that the problem that sludge in the centrifugal cylinder leaks through the bottom of the centrifugal cylinder in the dehydration process is solved, the bearing at the outer end of the sealing ring is arranged, the sealing ring can be tightly attached to the bottom of the centrifugal cylinder and can rotate along with the bottom of the centrifugal cylinder, and the resistance of the centrifugal cylinder in the rotation process cannot be increased;

2. a sealing structure of a sludge dewatering device is characterized in that a fixing plate driven by second electric push rods on two sides of the bottom of a centrifugal cylinder can extrude sealing gaskets on the inner side of the fixing plate to the upper end of a sealing ring outside the centrifugal cylinder, so that the sealing effect on the bottom of the centrifugal cylinder is enhanced by matching with the sealing ring.

Drawings

FIG. 1 is a schematic view of the overall structure of a sealing structure of a sludge dewatering device of the present invention;

FIG. 2 is an internal structure view of the sealing structure of the sludge dewatering device of the present invention;

FIG. 3 is a side sectional view of the sealing structure of the sludge dewatering device of the present invention;

FIG. 4 is an enlarged view of A in the sealing structure diagram 3 of the sludge dehydrating apparatus of the present invention;

FIG. 5 is an enlarged view of B in the structure diagram of the sludge dewatering device of the present invention shown in FIG. 2.

Reference numerals are as follows:

100. a dewatering box; 110. a centrifugal cylinder; 120. a binding ring; 130. a support frame; 140. a drive device; 150. a drain pipe;

200. a first seal assembly; 210. a sealing plate; 220. sealing the base; 230. a bearing; 240. a seal ring; 250. a first electric push rod;

300. a second seal assembly; 310. a circular hole; 320. a second electric push rod; 330. a fixing plate; 340. and a gasket.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

The first embodiment is as follows:

as shown in fig. 1-4, the present embodiment provides a sealing structure of a sludge dewatering device, including a dewatering box 100, a first sealing assembly 200 and a second sealing assembly 300, and a centrifuge tube 110 installed inside the dewatering box 100, wherein the first sealing assembly 200 and the second sealing assembly 300 are both installed at the bottom of the centrifuge tube 110, the dewatering box 100 further includes a binding ring 120 welded to the outside of the center of the centrifuge tube 110, and a plurality of sets of supporting frames 130 arranged inside the dewatering box 100 for clamping and binding the binding ring 120, the upper end of the dewatering box 100 is further installed with a driving device 140 for rotationally driving the centrifuge tube 110, and a drain pipe 150 installed at one side of the bottom of the sealing plate 210, the first sealing assembly 200 includes a sealing plate 210 fixedly installed at the bottom of the centrifuge tube 110 in the dewatering box 100 and a round opening formed at the center of the sealing plate 210, the first sealing assembly 200 further includes a sealing base 220 installed inside the round opening of the sealing plate 210 and sleeved on the bottom of the centrifuge tube 110, and a sealing bearing 230 fixedly installed at the inner wall of the sealing base 220, the outer wall of the sealing base 220 and the inner wall of the sealing plate 210 keep the sealing plate sealing assembly, the sealing assembly 200 also includes a push rod 240 for fixedly installed inside the sealing assembly 250 for sealing the sealing assembly for fixedly installed on the centrifugal tube 250 for electrically sealing the centrifugal tube 220, and a push rod 250 for sealing the sealing assembly for sealing the centrifugal tube 100.

Specifically, the sealing base 220 sleeved at the bottom of the centrifuge bowl 110 can seal the outer side of the bottom of the centrifuge bowl 110 through the bearing 230 installed at the inner side and the sealing ring 240 installed at the inner side of the bearing 230, so as to avoid the problem that sludge in the centrifuge bowl 110 leaks from the bottom of the centrifuge bowl 110 during the dewatering process, and the arrangement of the bearing 230 at the outer end of the sealing ring 240 also enables the sealing ring 240 to closely adhere to the bottom of the centrifuge bowl 110 and rotate therewith, and the rotation process can not increase the resistance of the centrifuge bowl 110 during rotation, thereby improving the centrifugation effect of the centrifuge bowl 110.

Example two:

on the basis of the first embodiment, as shown in fig. 5, the second sealing assembly 300 includes circular holes 310 formed through two sides of the dewatering box 100 at the upper end of the sealing plate 210, and second electric push rods 320 fixedly installed at the upper end of the dewatering box 100 outside the circular holes 310, the second sealing assembly 300 further includes fixing plates 330 installed at the upper ends of the second electric push rods 320 at two sides of the bottom of the centrifugal cylinder 110, and sealing gaskets 340 fixedly installed at the inner sides of the fixing plates 330, and the fixing plates 330 and the sealing gaskets 340 are both of a semicircular structure and are matched with the centrifugal cylinder 110.

Specifically, the fixing plate 330 driven by the second electric push rods 320 on the two sides of the bottom of the centrifugal cylinder 110 can also extrude the sealing gasket 340 on the inner side of the fixing plate 330 to the upper end of the sealing ring 240 on the outer side of the bottom of the centrifugal cylinder 110, so as to cooperate with the sealing ring 240 to enhance the sealing effect on the bottom of the centrifugal cylinder 110 and enhance the centrifugal dewatering effect of sludge.

The utility model discloses a theory of operation and use flow:

before the sludge is dewatered, the first electric push rod 250 at the bottom of the sealing base 220 is started first, so that the sealing base 220 at the upper end is driven by the first electric push rod 250 to be lifted upwards and move to the bottom of the centrifugal cylinder 110 and the center of the sealing plate 210, after the sealing base 220 moves to the bottom of the centrifugal cylinder 110, the sealing ring 240 at the inner side of the bearing 230 in the sealing base 220 is tightly attached to the outer wall of the centrifugal cylinder 110, after the sealing base 220 completes the sealing of the bottom of the centrifugal cylinder 110, the second electric push rods 320 at the two sides of the outer end of the dewatering box 100 are started, so that the second electric push rods 320 drive the semicircular fixing plate 330 at the outer end of the centrifugal cylinder 110, the sealing gasket 340 at the inner side of the fixing plate 330 is extruded to the upper part of the sealing ring 240 at the outer end of the centrifugal cylinder 110, the sealing effect on the bottom of the centrifugal cylinder 110 is enhanced by matching with the sealing gasket 340, after the sealing of the bottom of the centrifugal cylinder 110 is completed, the sludge is added into the centrifugal cylinder 110 through the inlet at the top of the centrifugal cylinder 110, and the driving device 140 for driving the centrifugal cylinder 110 to rotate is started, so that the sludge in the centrifugal cylinder 110 can be kept in the process of keeping the sealing at the bottom of the centrifugal cylinder 110 to be sealed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the claims and their equivalents.

Claims

1. The utility model provides a sludge dewatering device seal structure, includes dewatering box (100), first seal assembly (200) and second seal assembly (300) to and dewatering box (100) internally mounted's centrifuge bowl (110), first seal assembly (200) and second seal assembly (300) are all installed in the bottom of centrifuge bowl (110), its characterized in that, first seal assembly (200) are including the fixed closing plate (210) that sets up of centrifuge bowl (110) bottom parallel and level department in dewatering box (100) to and the round mouth that the department of closing plate (210) central authorities seted up, first seal assembly (200) still include the cover of closing plate (210) central round mouth internally mounted establish at centrifuge bowl (110) bottom sealing base (220) to and sealing base (220) inner wall department fixed mounting's bearing (230).

2. The sealing structure of sludge dewatering device according to claim 1, characterized in that the outer wall of the sealing base (220) is kept in fit with the inner wall of the round mouth at the center of the sealing plate (210).

3. The sealing structure of the sludge dewatering device according to claim 1, wherein the first sealing assembly (200) further comprises a sealing ring (240) fixedly mounted inside the bearing (230).

4. The sealing structure of the sludge dewatering device according to claim 3, wherein the sealing base (220) is attached to the outer wall of the centrifugal cylinder (110) by a sealing ring (240) inside the centrifugal cylinder (110) after being sleeved on the bottom of the centrifugal cylinder (110).

5. The sludge dewatering device sealing structure according to claim 1, characterized in that the first sealing assembly (200) further comprises a first electric push rod (250) arranged at the bottom of the sealing base (220) for driving the sealing base.

6. The sealing structure of the sludge dewatering device according to claim 1, wherein the second sealing assembly (300) comprises a circular hole (310) formed in the sealing plate (210) at the upper end of the dewatering box (100) in a penetrating manner at both sides thereof, and a second electric push rod (320) fixedly mounted at the upper end of the dewatering box (100) outside the circular hole (310).

7. The sealing structure of the sludge dewatering device according to claim 1, wherein the second sealing assembly (300) further comprises a fixing plate (330) mounted at the upper end of the second electric push rod (320) on two sides of the bottom of the centrifugal cylinder (110), and a sealing gasket (340) fixedly mounted on the inner side of the fixing plate (330), and the fixing plate (330) and the sealing gasket (340) are both of semicircular structures and are matched with the centrifugal cylinder (110).

8. The sealing structure of the sludge dewatering device according to claim 1, wherein the dewatering box (100) further comprises a binding ring (120) welded to the outer side of the center of the centrifugal cylinder (110), and a plurality of groups of support frames (130) arranged inside the dewatering box (100) for clamping and binding the binding ring (120), the upper end of the dewatering box (100) is further provided with a driving device (140) for driving the centrifugal cylinder (110) to rotate, and a drain pipe (150) arranged on one side of the bottom of the sealing plate (210).