CN217103499U

CN217103499U - Disc type bridge breaking device for dewatering sludge

Info

Publication number: CN217103499U
Application number: CN202122638707.3U
Authority: CN
Inventors: 周泳; 林培真; 蒙振净; 陈志平
Original assignee: Guangzhou Middleland Environmental Protection Technology Co ltd
Current assignee: Guangzhou Middleland Environmental Protection Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-08-02
Anticipated expiration: 2031-11-01

Abstract

The utility model provides a broken bridge device of disc type for dewatering mud, include: broken bridge subassembly, broken bridge subassembly fixed mounting is at the main shaft, broken bridge unit mount is in the main tank body, the main shaft both ends are installed on the bearing mount pad through rotatory support bearing, bearing mount pad fixed mounting is in the main tank body outside, main shaft one end is connected in broken bridge drive arrangement, broken bridge drive arrangement installs and fixes in the main tank body outside, broken bridge subassembly is located the discharge gate lower part of screw pump feed inlet upper portion buffer memory hopper, broken bridge subassembly includes two stirring vane, parallel arrangement between two stirring vane, stirring vane passes through fixing bolt and installs on the main shaft in the main tank body, stirring vane presses close to the inside both sides of main tank body. The utility model discloses an integral modular equipment can whole dismouting, and be the unipolar structure, and the broken bridge device contrast of two stirring rakes, and the structure is simpler. The size of the bridge breaking device is not influenced by the size of the upper hopper, and the bridge breaking device can be used as standard equipment and can realize modular production.

Description

Disc type bridge breaking device for dewatering sludge

Technical Field

The utility model relates to a sludge treatment equipment technical field specifically is a disc type broken bridge device for dewatering mud.

Background

At present, the screw pump is generally adopted for conveying short-distance dewatered sludge, the condition such as dry running of a sludge conveying pump is avoided due to the fluctuation of the sludge feeding amount at the front end, the stable conveying of the sludge is ensured, and a small square-table type process buffering hopper with a small lower part and a large upper part is generally arranged at the upper end of a pump feeding hole. Under the structural form, the condition that sludge cannot smoothly fall into a pump cavity due to the fact that the feed inlet of the pump is small and the sludge has viscosity can occur at the connecting position of the hopper and the delivery pump, and the condition is commonly called as bridging. In the sludge conveying system, the sludge conveyed by the dewatering machine is easy to harden and agglomerate. Therefore, the bridging phenomenon is easy to occur during discharging to prevent the materials from falling. In order to ensure the stable feeding and pumping of the conveyed sludge, an independent bridge breaking device is designed. The broken bridge device commonly used at present generally adopts the stirring rake form, mainly rotates through the stirring rake and disturbs the mud of putting bridge and realizes breaking the bridge, and the stickness of mud can appear the mud adhesion sometimes and rotate the condition along with the oar on the stirring rake, can't break the bridge.

For example: the 'bridge breaking' device distributed along with the pump generally adopts a mode of being spirally parallel to the inlet of the pump, and has the defects of over short stirring blades, vertical stirring direction and sludge conveying direction, reduced bridge breaking effect and the like. Chinese patent publication No. CN204549015U discloses a new bridge-breaking device, which adopts a staggered arrangement form of two stirring paddles, the stirring direction is parallel to the sludge conveying direction, although the sludge bridge-breaking is improved, there is still a bridging risk at the position where the paddle between the stirring paddle and the pump inlet screw is not covered, and there is a risk of sludge discharge at the junction of the bridge-breaking device and the box body, which affects the normal operation.

SUMMERY OF THE UTILITY MODEL

The technical problem solved by the utility model is to provide a disc type bridge breaking device for dewatering sludge to solve the problem provided in the above background art.

The utility model provides a technical problem adopt following technical scheme to realize: a disc type bridge-breaking device for dewatering sludge, comprising: the bridge breaking assembly is fixedly installed on the main shaft, the bridge breaking assembly is installed in the main box body, two ends of the main shaft are installed on the bearing installation seats through rotary supporting bearings, the bearing installation seats are fixedly installed on the outer side of the main box body, one end of the main shaft is connected to the bridge breaking driving device, the bridge breaking driving device is installed and fixed on the outer side of the main box body, the bridge breaking assembly is located on the lower portion of a discharge port of a buffer hopper on the upper portion of a feed port of the screw pump, the bridge breaking assembly comprises two stirring blades, the two stirring blades are arranged in parallel, the stirring blades are installed on the main shaft in the main box body through fixing bolts, and the stirring blades are close to two sides inside the main box body.

Further, flanges are arranged on the material inlet and outlet at the upper end and the lower end of the main box body, the size of the flange is matched with that of a screw pump flange, the flange at the lower end of the main box body is arranged on the material inlet of the screw pump through a fixing bolt, and the flange at the upper end of the main box body is arranged at the lower end of the buffer hopper through a fixing bolt.

Further, broken bridge drive arrangement includes driving motor, driving motor's casing passes through fixing bolt and installs on the motor mount pad, the motor mount pad passes through fixing bolt and installs in the main tank body outside, driving motor's output passes through shaft coupling transmission connection in main shaft.

Furthermore, the main shaft is installed on an inner ring of the rotary supporting bearing, an outer ring of the rotary supporting bearing is installed on the bearing installation seat through a fixing bolt, and the bearing installation seat is directly welded on the outer wall of the main box body.

Further, the junction is equipped with sealing device between main shaft and the main tank body, sealing device includes wherein including oil blanket skeleton, sealed packing, the oil blanket skeleton, sealed packing outside are equipped with gland, and gland uses the bolt fastening on sealed fixing base, and sealed fixing base welds in the main tank body outer wall.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an integral modular equipment can whole dismouting, and be the unipolar structure, and the broken bridge device contrast of two stirring rakes, and the structure is simpler. The size of the bridge breaking device is not influenced by the size of the upper hopper, and the bridge breaking device can be used as standard equipment and can realize modular production.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic top view of the present invention.

Fig. 3 is a schematic structural view of the bridge-breaking assembly of the present invention.

Fig. 4 is a schematic structural view of the sealing device of the present invention.

Detailed Description

In order to make the technical means, the creative features, the purpose and the efficacy of the present invention easily understood and appreciated, the present invention will be further explained with reference to the specific drawings, and in the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "mounted", "connected" and "connected" should be understood broadly, for example, they may be fixed connection, detachable connection, or integrally connected, mechanically connected or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements.

Example 1

As shown in fig. 1, 2 and 3, a disc type bridge-breaking device for dewatering sludge includes: broken bridge subassembly 9, broken bridge subassembly 9 fixed mounting is at main shaft 8, broken bridge subassembly 9 is installed in main tank 1, install on bearing mount pad 6 through rotatory support bearing 5 at main shaft 8 both ends, bearing mount pad 6 fixed mounting is in the 1 outside of main tank, 8 one end of main shaft are connected in broken bridge drive arrangement, and broken bridge drive arrangement installs and fixes in the 1 outside of main tank, broken bridge subassembly 9 is located the discharge gate lower part of screw pump feed inlet upper portion buffer memory hopper, broken bridge subassembly 9 includes two stirring vane, parallel arrangement between two stirring vane, and stirring vane passes through fixing bolt and installs on main shaft 8 in main tank 1, and stirring vane presses close to the inside both sides of main tank. Stirring vane is the disc type, and 2 pieces are total to the disc, follows respectively the axial direction of main shaft arranges and presses close to the inside long limit face in both sides of main tank, and the disc exceeds main tank top and bottom in order to reach the broken bridge scope of biggest mud, and the disc inserts the delivery pump spiral both sides but contactless, cooperatees with the spiral and realizes the biggest broken bridge and encircle the ability. Thereby the blade disk body is the fretwork form and saves driving motor power consumption in order to reduce disk body weight, and the disc frontal surface is the wedge, thereby more does benefit to the thick face of mud and cuts and realize breaking the bridge.

Example 2

As shown in fig. 1, 2 and 3, a disc type bridge-breaking device for dewatering sludge includes: the bridge breaking assembly 9 is fixedly installed on a main shaft 8, the bridge breaking assembly 9 is installed in a main box body 1, two ends of the main shaft 8 are installed on a bearing installation seat 6 through rotary supporting bearings 5, the bearing installation seat 6 is fixedly installed on the outer side of the main box body 1, one end of the main shaft 8 is connected to a bridge breaking driving device, the bridge breaking driving device is installed and fixed on the outer side of the main box body 1, the bridge breaking assembly 9 is located on the lower portion of a discharge port of a cache hopper on the upper portion of a feed port of a screw pump, flanges 10 are arranged on feed ports of the upper end and the lower end of the main box body 1, the size of the flange 10 is matched with that of a flange of the screw pump, the flange 10 at the lower end of the main box body 1 is installed on the feed port of the screw pump through fixing bolts, and the flange 10 at the upper end of the main box body 1 is installed at the lower end of the cache hopper through fixing bolts. The four walls of the main box body are perpendicular to the ground, the manufacturing is convenient, materials fall smoothly, the size of the upper flange and the lower flange of the main box body is the same as that of the pump inlet flange, the height of the upper flange and the lower flange of the main box body is related to the size of the pump inlet and is unrelated to the size of the process buffer hopper, and modular production can be realized when the model of the pump is determined.

Example 3

As shown in fig. 1 and 2, a disc type bridge-breaking device for dewatering sludge includes: the utility model provides a screw pump, broken bridge subassembly 9 fixed mounting is at main shaft 8, broken bridge subassembly 9 is installed in main tank 1, install on bearing mount pad 6 through rotatory support bearing 5 at main shaft 8 both ends, bearing mount pad 6 fixed mounting is in the main tank 1 outside, 8 one ends of main shaft are connected in broken bridge drive arrangement, and broken bridge drive arrangement installation is fixed in the main tank 1 outside, broken bridge subassembly 9 is located the discharge gate lower part of screw pump feed inlet upper portion buffer memory hopper, broken bridge drive arrangement includes driving motor 2, driving motor 2's casing passes through fixing bolt and installs on motor mount pad 3, motor mount pad 3 passes through fixing bolt and installs in the main tank 1 outside, driving motor 2's output passes through shaft coupling 4 transmission connection in main shaft 8. The main shaft 8 is arranged on an inner ring of the rotary supporting bearing 5, an outer ring of the rotary supporting bearing 5 is arranged on the bearing mounting seat 6 through a fixing bolt 15, and the bearing mounting seat 6 is directly welded on the outer wall of the main box body 1. The main shaft 8 is of a single-shaft structure, only one motor is needed, and the power is small and the energy consumption is low. The installation and maintenance are simpler, the power is lower and the energy is saved.

Example 4

As shown in fig. 1, 2 and 4, a disc type bridge-breaking device for dewatering sludge includes: the novel screw pump comprises a main box body 1, a bridge breaking assembly 9, wherein the bridge breaking assembly 9 is fixedly installed on a main shaft 8, the bridge breaking assembly 9 is installed in the main box body 1, two ends of the main shaft 8 are installed on a bearing installation seat 6 through a rotary supporting bearing 5, the bearing installation seat 6 is fixedly installed on the outer side of the main box body 1, one end of the main shaft 8 is connected to a bridge breaking driving device, the bridge breaking driving device is installed and fixed on the outer side of the main box body 1, the bridge breaking assembly 9 is located at the lower portion of a discharge port of a buffer hopper on the upper portion of a feed port of a screw pump, a sealing device 7 is arranged at the joint between the main shaft 8 and the main box body 1, the sealing device 7 comprises an oil seal framework 11 and a sealing packing 12, a sealing gland 13 is arranged on the outer sides of the oil seal framework 11 and the sealing packing 12, the sealing gland 13 is fixed on a sealing fixed seat by using a bolt 14, and the sealing seat is welded on the outer wall of the main box body 1. Can completely block the way of sludge leakage in the hopper and ensure zero leakage. The cartridge type sealing assembly comprises an outer spherical bearing with a seat and a sealing device, wherein the outer spherical bearing with the seat and the sealing device are arranged on the side surface of the main box body. The outer spherical bearing with the seat is fixed through the bearing mounting seat, the sealing device is labyrinth sealing, the sealing effect is better, and the sealing device is directly welded with the main box body.

The utility model discloses a set up the key position of the easy bridge of screw pump feed inlet top during the use. When the sludge is discharged, the sludge is hardened and the like to cause the material to be blocked and overstocked at the position, and then bridging is formed, so that the sludge below the bridging is emptied, and the sludge above the bridging is cut off. The blade of broken bridge subassembly is the disc type, and 2 pieces are altogether to the disc, follows respectively the axial direction of main shaft is arranged and is pressed close to the inside both sides long face of main tank, and the disc exceeds main tank top and bottom, and the disc face inserts delivery pump spiral both sides but contactless, so sets up, and broken bridge blade presses close to the wall plate in the main tank, does not influence the net size of feed inlet basically, and prevents that mud from attaching more at the main tank wallboard, can have great space to let mud whereabouts. Thereby the blade disk body is the fretwork form and saves driving motor power consumption in order to reduce disk body weight, and the disc frontal surface is the wedge, thereby more does benefit to the thick face of mud and cuts and realize breaking the bridge.

The utility model discloses have the broken bridge unit of individual drive, broken bridge unit is the inside both sides long limit face of main tank body is pressed close to two disc type broken bridge blades, and the disc inserts delivery pump spiral both sides but contactless, with the supporting operation of the delivery screw of delivery pump. So set up, broken bridge blade presses close to the wall plate in the main tank body, does not influence the net size of feed inlet basically, still can prevent that mud from attaching more and gluing at the wall plate of main tank body, has great space and lets mud whereabouts. And the double-blade assemblies of the bridge breaking unit are respectively arranged in parallel along the axial direction of the main shaft. When the screw pump works, the double-blade assembly of the bridge breaking unit and the conveying main shaft of the conveying screw pump form a crossed bridge breaking, the double blades are responsible for driving sludge to flow, and form a crushing structure with the screw pump main shaft in a spiral mode, and are responsible for crushing sludge, so that the bridge is collapsed, the sludge on the upper portion falls down, and the purpose of stable feeding is achieved.

The utility model discloses a sealed assembly of integrated form locate outside the main tank body, can block totally that the interior mud of fill leaks the way, ensures zero leakage. The integrated sealing assembly comprises a spherical outside surface bearing with a seat and a sealing device, wherein the spherical outside surface bearing with the seat is arranged on the side surface of the main box body, and the spherical outside surface bearing with the seat is fixed through a bearing mounting seat. The bearing seat comprises a roller bearing and a fixed mounting seat thereof, and comprises a split bearing mounting seat, so that the installation and later-period maintenance are more convenient. The sealing device comprises a sealing element and a sealing seat fixedly installed on the sealing element, the sealing device is labyrinth-type sealing, the sealing effect is better, and the sealing seat is welded on a side wall plate of the main box body. The oil seal packing box is characterized by further comprising an oil seal framework and a seal packing, wherein the front side and the back side of the oil seal framework are arranged in the seal seat, three circles of seal packing are filled again, and the main shaft is sealed with the joint of the main box body to ensure zero leakage. The single-drive motor bridge breaking device is adopted, compared with a double-drive motor mode, the single-drive motor is smaller in required power, lower in energy consumption and more energy-saving, and the disc bridge breaking blade is of a hollow structure, so that the structure is lighter and more energy-saving.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A disc type bridge-breaking device for dewatering sludge, comprising: broken bridge subassembly (9), its characterized in that: broken bridge subassembly (9) fixed mounting is in main shaft (8), broken bridge subassembly (9) is installed in main tank (1), install on bearing mount pad (6) through rotation support bearing (5) at main shaft (8) both ends, bearing mount pad (6) fixed mounting is in main tank (1) outside, main shaft (8) one end is connected in broken bridge drive arrangement, and broken bridge drive arrangement installs and fixes in main tank (1) outside, broken bridge subassembly (9) are located the discharge gate lower part of screw pump feed inlet upper portion buffer memory hopper, broken bridge subassembly (9) include two stirring vane, parallel arrangement between two stirring vane, and stirring vane passes through fixing bolt and installs on main shaft (8) in main tank (1), and stirring vane presses close to the inside both sides of main tank.

2. The disc type bridge-breaking device for dewatered sludge according to claim 1, wherein: the screw pump buffer hopper is characterized in that flanges (10) are arranged on feed and discharge ports at the upper end and the lower end of the main box body (1), the size of each flange (10) is matched with that of the screw pump flange, the flange (10) at the lower end of the main box body (1) is installed on the feed port of the screw pump through a fixing bolt, and the flange (10) at the upper end of the main box body (1) is installed at the lower end of the buffer hopper through a fixing bolt.

3. The disc type bridge-breaking device for dewatered sludge according to claim 1, wherein: broken bridge drive arrangement includes driving motor (2), the casing of driving motor (2) passes through fixing bolt and installs on motor mount pad (3), motor mount pad (3) are installed in main tank body (1) outside through fixing bolt, the output of driving motor (2) passes through shaft coupling (4) transmission and connects in main shaft (8).

4. The disc type bridge-breaking device for dewatered sludge according to any one of claims 1 to 3, wherein: the main shaft (8) is arranged on an inner ring of the rotary supporting bearing (5), an outer ring of the rotary supporting bearing (5) is arranged on the bearing mounting seat (6) through a fixing bolt (15), and the bearing mounting seat (6) is directly welded on the outer wall of the main box body (1).

5. The disc type bridge-breaking device for dewatered sludge according to claim 4, wherein: the joint is equipped with sealing device (7) between main shaft (8) and main tank body (1), sealing device (7) are including wherein including oil blanket skeleton (11), sealed packing (12), oil blanket skeleton (11), sealed packing (12) outside are equipped with gland (13), and gland (13) use bolt (14) to fix on sealed fixing base, and sealed fixing base welds in main tank body (1) outer wall.