CN219326652U

CN219326652U - Sludge discharge device of secondary sedimentation tank

Info

Publication number: CN219326652U
Application number: CN202320403016.1U
Authority: CN
Inventors: 梁栋; 张倩; 吴昊; 马永康; 张肖; 王新瑞; 龚玉明; 孙振威; 潘栓宝; 李彬; 李锋; 张丽萍; 宋红岩; 王承宇
Original assignee: Central Plains Environmental Protection Co ltd
Current assignee: Central Plains Environmental Protection Co ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-07-11
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to a secondary sedimentation tank mud discharging device which comprises a valve body, a valve cover, a valve rod, a valve plate, a driving shaft sleeve, a mounting bracket, a driving mechanism and a supporting seat, wherein the mounting bracket comprises a top plate, a flange plate and a supporting rod which is supported and connected between the top plate and the flange plate, the flange plate is positioned above the flange plate and is connected with the flange plate and the valve body, a top plate perforation for the upper end of the valve rod to pass through is arranged in the middle of the top plate, the valve rod passes through the middle of the supporting seat, the driving shaft sleeve which is in threaded connection with an external thread section of the valve rod is rotatably arranged on the supporting seat, the driving mechanism comprises a driving motor and a driving bevel gear which is positioned at the output end of the driving motor, a driven bevel gear ring which is meshed and transmitted with the driving bevel gear is arranged at the outer side of the lower end of the driving shaft sleeve, and the driving motor is fixed on the mounting bracket. The utility model realizes the sludge discharge function of the secondary sedimentation tank in an electric mode, thereby greatly reducing the labor intensity and improving the operation efficiency.

Description

Sludge discharge device of secondary sedimentation tank

Technical Field

The utility model relates to the technical field of sewage treatment, in particular to a secondary sedimentation tank sludge discharge device.

Background

The secondary sedimentation tank is an important component of an active sludge water treatment system, is an important unit for realizing sludge-water separation, clarifies mixed liquor, concentrates sludge and provides active sludge for a biological tank, and the effect of the secondary sedimentation tank directly influences the quality of effluent water and the concentration of sewage sludge. In the sewage treatment process, the secondary sedimentation tank needs to discharge sludge periodically or when equipment suddenly fails, and the sludge in the secondary sedimentation tank is discharged into the sludge homogenizing tank by virtue of a sludge discharge pipe and a sludge pump. The sludge discharge pipe is provided with manual gate valves on the front side and the rear side of the sludge pump, the manual gate valve is generally composed of a valve body, a valve cover, a valve plate, a valve rod and a valve rod nut, the valve body is connected with the valve cover through a valve body flange and a valve cover flange, the valve plate is used as an opening and closing piece of the manual gate valve, the outer end of the valve rod nut is provided with a hand wheel, and the hand wheel is rotated to drive the valve rod to drive the valve plate to move so as to realize opening and closing of the valve; based on the large sludge discharge amount of the secondary sedimentation tank and the large caliber of the sludge discharge pipe, personnel need to open the valve one by one in a laborious way when discharging sludge every time, and the time and the effort are consumed.

Disclosure of Invention

The utility model aims to provide a secondary sedimentation tank mud discharging device which can solve the problems of high labor intensity, time consumption and labor consumption of manual opening and closing of a manual opening and closing valve in the conventional secondary sedimentation tank mud discharging device.

The utility model provides the following technical scheme: the secondary sedimentation tank mud discharging device comprises a valve body, a valve cover, a valve rod, a valve plate and a driving shaft sleeve, wherein the valve plate is positioned in the valve body;

still include installing support, actuating mechanism and supporting seat, the installing support includes roof, ring flange and support connection at least three bracing piece between roof and ring flange, and the ring flange is located the valve gap flange top and with valve gap flange, valve body flange joint, is equipped with the roof perforation that supplies the valve rod upper end to pass in the middle of the roof, supply in the middle of the supporting seat the valve rod passes, rotate on the supporting seat install with the external screw thread section threaded connection's of valve rod driving axle sleeve, actuating mechanism includes driving motor and the initiative bevel gear that is located the driving motor output, the outside of driving axle sleeve lower extreme is equipped with and initiative bevel gear meshing transmission's driven cone ring gear, and driving motor fixes on the installing support for drive axle sleeve rotation through initiative bevel gear, driven cone ring gear, then drive valve rod, valve plate removal in order to realize the inside break-make of valve body.

Further, a connecting hole is formed in the top plate, a threaded hole with an upward opening is formed in the upper end of the supporting rod, and a top bolt penetrates through the connecting hole to be connected with the threaded hole so that the top plate is mounted on the supporting rod.

Further, the support rods are provided with four support rods and are uniformly distributed on the periphery of the valve rod along the circumferential direction.

In summary, the utility model has the following beneficial effects: when the sludge discharge pipe of the secondary sedimentation tank is switched on/off, a driving motor is started to rotate forwards/reversely, a driving bevel gear drives a driven bevel gear ring to rotate, a driving shaft sleeve rotates relative to a valve rod, and therefore the valve rod drives a valve plate to move up and down to realize opening/closing of the valve; when the valve is controlled to be opened and closed, the driving shaft sleeve is driven to rotate by the driving mechanism driven by electricity, the rotary motion of the driving shaft sleeve is converted into the vertical motion of the valve rod, then the valve plate is driven to move to open and close the valve, the secondary sedimentation tank is not required to be twisted for a long time by manpower and effort during sludge discharge, the speed of opening and closing the valve is high, the operation efficiency is high, the manpower and material resources are saved, the sludge discharge device of the secondary sedimentation tank can be obviously improved on the basis of the structure of the original manual gate valve, the whole replacement equipment is not required for switching from manual opening and closing to electric opening and closing, and the improvement and the upgrading of the sludge discharge system of the secondary sedimentation tank are completed at lower cost; the installing support is connected with the valve body and the valve cover through the flange plate at the bottom, the installing support is installed on the premise that the main valve body structure of the manual gate valve is not damaged and the strength of the main valve body is not affected, the installing operation is convenient, and the top plate and the supporting rod are detachably connected through bolts, so that the follow-up device disassembly and maintenance are convenient.

Drawings

FIG. 1 is a schematic view of a construction of an embodiment 1 of a secondary sedimentation tank sludge discharge apparatus of the present utility model;

reference numerals: 1-a valve body; 11-a valve body flange; 2-a valve cover; 21-a valve cover flange; 3-a valve stem; 31-an external thread segment; 4-mounting a bracket; 41-a flange plate; 42-top plate; 43-supporting rods; 5-a supporting seat; 6-driving the shaft sleeve; 7-driving a motor; 8-a drive bevel gear; 9-driven cone gear ring; 10-top bolts; 12-valve body bolts.

Detailed Description

The present utility model will be described in detail with reference to the accompanying drawings.

Specific example 1 of a secondary sedimentation tank sludge discharge device of the present utility model:

as shown in fig. 1, the secondary sedimentation tank mud discharging device mainly comprises a valve body 1, a valve cover 2, a valve rod 3, a mounting bracket 4, a supporting seat 5 and a driving mechanism, wherein a valve plate is arranged in the valve body, the lower end of the valve rod 3 stretches into the valve body 1 to be connected with the valve plate, the upper end of the valve rod 3 stretches out of the valve body 2, and an external thread section 31 is arranged outside the upper end.

The valve body 1 is connected with the valve cover 2 through the valve body flange 11 and the valve cover flange 21, the mounting bracket 4 is mounted on the valve cover, wherein the mounting bracket 4 comprises a top plate 42, four supporting rods 43 and a flange 41 which are connected from top to bottom, the mounting bracket 4 is connected with the valve cover through the flange 41, the flange 41 is positioned above the valve cover flange 21, and the mounting bracket 4 is fixedly mounted by sequentially penetrating the flange 41, the valve cover flange 21 and the valve body flange 11 through the valve body bolts 12 and connecting nuts. The middle of the top plate 42 is provided with a top plate perforation through which the valve rod 3 passes, four connecting holes are arranged on the outer side of the top plate perforation, an upward threaded hole is formed in the upper end face of the supporting rod 43, the top plate 42 is connected with the threaded holes through the connecting holes by the top bolts 10, and the top plate 42 is connected and fixed with each supporting rod. In this embodiment, the support rods 43 are provided with four and uniformly distributed on the outer side of the valve rod along the circumferential direction, and in other embodiments, the support rods may be provided with three, five or other numbers.

The driving mechanism and the supporting seat 5 are both positioned above the top plate 42, the supporting seat 5 is fixed on the top plate 42, the middle valve rod 3 passes through the supporting seat 5, the driving shaft sleeve 6 is connected to the supporting seat 5 through a bearing in a rotating way, the valve rod 3 passes through the driving shaft sleeve 6 and is in threaded fit with the external thread section 31, and the driven cone gear ring 9 is arranged on the outer side of the lower end of the driving shaft sleeve 6. The driving mechanism is used for driving the driving shaft sleeve 6 to rotate and comprises a driving motor 7 and a driving bevel gear 8, the driving motor 7 is fixedly connected with the top plate 4, the output end of the driving motor 7 is connected with the driving bevel gear 8, the driving bevel gear 8 and a driven bevel gear 9 are meshed to form a bevel gear mechanism, and after the driving motor drives the driving bevel gear 8 and the driven bevel gear 9 to rotate, the rotary motion of the driving shaft sleeve 6 is converted into the up-and-down movement of the valve rod 3, so that the opening and closing of the valve are realized.

When the secondary sedimentation tank sludge discharge device is used for controlling the on-off of a sludge discharge pipe in a secondary sedimentation tank sludge discharge system, the driving motor is electrified to enable the output shaft to rotate positively/reversely, the driving bevel gear and the driven bevel gear ring are driven to rotate, then the driving shaft sleeve is used for driving the valve rod to move up/down, the valve plate is used for realizing the opening and closing of the valve in the moving process of the valve rod, and the valve plate is directly opened and closed through the driving mechanism and the mechanical structure in the operating process, so that the manual labor is not required to be wasted again in the sludge discharge process, the operating efficiency is high, and the manual labor intensity is reduced. And carry out equipment modification just can realize this novel technical scheme of implementation on original manual gate valve's basis, switch manual equipment into electronic equipment, need not whole change equipment, save equipment upgrade cost.

In addition, the installing support is installed on the valve cover and the valve body through the flange plate, the original structural structure of the main valve body is not changed, the structural strength and the sealing effect are not affected, the installing support is convenient to install, the supporting rod is detachably connected with the top plate, and the follow-up disassembly and maintenance are convenient.

The above is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The secondary sedimentation tank mud discharging device is characterized by comprising a valve body, a valve cover, a valve rod, a valve plate and a driving shaft sleeve, wherein the valve plate is positioned in the valve body;

2. The secondary sedimentation tank mud discharging device as set forth in claim 1, wherein the top plate is provided with a connecting hole, the upper end of the supporting rod is provided with a threaded hole with an upward opening, and the top bolt is connected with the threaded hole through the connecting hole so that the top plate is mounted on the supporting rod.

3. A secondary sedimentation tank sludge discharge device as claimed in claim 1 or 2, wherein the support rods are provided with four and are distributed uniformly around the periphery of the valve rod in the circumferential direction.