CN219217813U

CN219217813U - Sludge treatment device for sludge storage tank

Info

Publication number: CN219217813U
Application number: CN202320067201.8U
Authority: CN
Inventors: 张晓红; 赵宇翔; 王永宁
Original assignee: Guangzhou Xinhuan Water Co ltd
Current assignee: Guangzhou Xinhuan Water Co ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-20
Anticipated expiration: 2033-01-10

Abstract

The utility model relates to the technical field of sludge treatment devices, in particular to a sludge treatment device for a sludge storage tank. It solves the problems that the sludge is mixed with the supernatant and the supernatant can not be completely discharged. The device comprises a water storage tank, a vertical rod, a floating block, a decanter, a feeding component and a pouring component, wherein the top end of the water storage tank is provided with an opening, the vertical rod is longitudinally arranged in the middle of the water storage tank, the floating block is longitudinally connected to the vertical rod in a sliding mode, the decanter is arranged above the floating block and is connected to the vertical rod in a sliding mode, the feeding component is arranged on the water storage tank and is used for guiding mixed liquid to be treated into the water storage tank, the mixed liquid can naturally settle and layer into supernatant and sludge in the water storage tank, and the pouring component is arranged in the water storage tank and is used for discharging the supernatant. The utility model prevents the sludge from flowing out along with the supernatant, is beneficial to the circumferential supernatant to gather towards the middle part, can ensure that the supernatant is completely discharged, prevents the waste of energy consumption of the dewatering machine and reduces the failure rate of equipment.

Description

Sludge treatment device for sludge storage tank

Technical Field

The utility model relates to the technical field of sludge treatment devices, in particular to a sludge treatment device for a sludge storage tank.

Background

Before the sludge produced by a sewage treatment plant leaves a factory to be disposed, the sludge is dehydrated to the water content of below 80 percent according to the requirement. Sludge dewatering is generally required in the form of through-passing, centrifugal dewatering, belt press filtration, spiral press filtration, and the like.

The common mud storage pool of the sewage treatment plant mainly comprises a pool body, a mud inlet pipe, a stirrer, an exhaust device and an upper overflow port. Wherein the overflow port is used for returning the supernatant to the pump room through the overflow port after the sludge enters the sludge storage tank, thereby improving the sludge concentration of the sludge storage tank and achieving the effect of reducing energy consumption.

The common overflow port of the sludge storage pool in the sewage plant is basically provided with only one overflow port and is arranged at the upper part of the sludge storage pool. The common mud storage Chi Yi of the current sewage plant appears: 1. when the sludge storage tank is filled with sludge, stirring the water body to ensure that the sludge is discharged along with the mixed flow of the supernatant fluid from an overflow port above; 2. the supernatant cannot be completely discharged, and the problems are that the sludge concentration cannot be increased to the greatest extent, so that the energy consumption of the dewatering machine is wasted, and the equipment failure rate is increased and the operation cost is high.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a sludge treatment device of a sludge storage tank, which is used for preventing sludge from flowing out along with supernatant from an overflow port above, and the supernatant is accumulated and discharged to the top end of a hose under the action of negative pressure when discharged, so that the circumferential supernatant is accumulated to the middle part, and as a sludge pipe is arranged at the upper part of the water storage tank, part of the sludge can be automatically deposited at the bottom through gravity precipitation, the concentration of the sludge is gradually increased after the sludge is fed for a plurality of times, the supernatant can be completely discharged, the waste of energy consumption of a dewatering machine is prevented, and the failure rate of equipment is reduced.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the sludge treatment device comprises a water storage tank, a vertical rod, a floating block, a decanter, a feeding component and a pouring component, wherein the top end of the water storage tank is provided with an opening, the vertical rod is longitudinally arranged in the middle of the water storage tank, the floating block is longitudinally connected to the vertical rod in a sliding manner, the decanter is arranged above the floating block, the decanter is connected to the vertical rod in a sliding manner, the feeding component is arranged on the water storage tank and is used for guiding mixed liquid to be treated into the water storage tank, the mixed liquid can naturally settle and delaminate into supernatant and sludge up and down in the water storage tank, and the pouring component is arranged in the water storage tank and is used for discharging the supernatant.

Further, be equipped with stopper and lower stopper in the pole setting, lower stopper is located the stopper and is gone up the stopper directly under, the vertical sliding connection of kicking block is gone up between stopper and the lower stopper.

Further, the decanter is a float type.

Further, the feeding assembly comprises a sludge pump and a sludge pipe, the sludge pump is arranged on the outer side of the water storage tank, one end of the sludge pipe extends into the water storage tank, and the other end of the sludge pipe is connected with the sludge pump.

Further, the material pouring assembly comprises a hose, a discharging pipe and a discharging valve, one end of the discharging pipe stretches into the water storage tank and is located below the lower limiting block, the hose is connected between the discharging pipe and the decanter, the bottom of the hose is upwards bent when the decanter moves to the lowest position, the discharging valve is located on the outer side of the water storage tank, and the discharging valve is installed on the discharging pipe.

Further, a manual valve is also arranged on the discharging pipe.

The utility model has the beneficial effects that:

prevent that mud from flowing out along with the supernatant from top overflow mouth, hose top negative pressure when the supernatant is discharged, the supernatant gathers and discharges to the hose top under the negative pressure effect, does benefit to and makes circumference supernatant gather to the middle part, because mud pipe setting is in tank upper portion, and partial mud accessible gravity deposit is automatic to be deposited in the bottom, improves mud concentration gradually after advancing mud many times, can make the supernatant discharge completely, prevents to cause the dehydration energy to waste, reduces equipment fault rate.

Drawings

FIG. 1 is a schematic diagram of the structure of the sludge treatment device of the present sludge storage tank;

reference numerals illustrate:

1. a water storage tank; 2. a vertical rod; 3. a floating block; 4. a decanter; 5. a feed assembly; 51. a sludge pump; 52. a sludge pipe; 6. a pouring assembly; 61. a hose; 62. a discharge pipe; 63. a discharge valve; 7. an upper limiting block; 8. a lower limiting block; 9. and (5) a manual valve.

Detailed Description

The utility model will be further described with reference to examples and drawings, to which reference is made, but which are not intended to limit the scope of the utility model.

As shown in figure 1, the sludge treatment device of the sludge storage tank comprises a water storage tank 1, a vertical rod 2, a floating block 3, a decanter 4, a feeding component 5 and a pouring component 6, wherein the top end of the water storage tank 1 is opened, the vertical rod 2 is longitudinally arranged in the middle of the water storage tank 1, the floating block 3 is longitudinally and slidingly connected to the vertical rod 2, the decanter 4 is arranged above the floating block 3, the decanter 4 is slidingly connected to the vertical rod 2, the feeding component 5 is arranged on the water storage tank 1 and is used for guiding mixed liquid to be treated into the water storage tank 1, the mixed liquid can naturally settle and layer into supernatant and sludge in the water storage tank 1, and the pouring component 6 is arranged in the water storage tank 1 and is used for discharging the supernatant.

In this embodiment, be equipped with stopper 7 and lower stopper 8 on the pole setting 2, lower stopper 8 is located and goes up stopper 7 directly under, and the vertical sliding connection of kicking block 3 is in between stopper 7 and lower stopper 8.

In this embodiment, the decanter 4 is of a float type.

In this embodiment, the feeding assembly 5 includes a sludge pump 51 and a sludge pipe 52, the sludge pump 51 is disposed outside the water storage tank 1, one end of the sludge pipe 52 extends into the water storage tank 1, and the other end of the sludge pipe 52 is connected with the sludge pump 51.

In this embodiment, the pouring assembly 6 includes a hose 61, a discharging pipe 62 and a discharging valve 63, one end of the discharging pipe 62 extends into the water storage tank 1 and is located below the lower limiting block 8, the hose 61 is connected between the discharging pipe 62 and the decanter 4, when the decanter 4 moves to the lowest position, the bottom of the hose 61 is bent upwards, the discharging valve 63 is located outside the water storage tank 1, and the discharging valve 63 is mounted on the discharging pipe 62.

In this embodiment, the tapping pipe 62 is also provided with a manual valve 9.

The floating decanter 4 is used for continuously filtering sludge according to the height of the water level, and discharging supernatant to the decanter 4, so that the buoyancy of the decanter 4 is equal to gravity, the decanter 4 is convenient to rise or sink, the floating decanter 4 is used for adjusting the height of the decanter 4 according to the water level, the prior art of the decanter 4 is omitted, the condition that sludge is returned to the system again cannot occur, a manual valve 9 and a discharge valve 63 are opened, the supernatant flows to a discharge pipe 62 along a hose 61 and is discharged, the sludge is prevented from flowing out along with the supernatant from an overflow port above, the top end of the hose 61 is negatively pressurized when the supernatant is discharged, the supernatant is collected to the top end of the hose 61 under the action of the negative pressure, and the supernatant is collected to the middle part under the action of the negative pressure, so that the circumferential supernatant can be collected, and the sludge pipe 52 is arranged at the upper part of the water storage tank 1, part of the sludge can be automatically deposited at the bottom through gravity precipitation, the concentration of the sludge is gradually increased after the sludge is fed for multiple times, the supernatant can be completely discharged, the energy consumption of the dewatering device is prevented, and the equipment failure rate is reduced.

All technical features in the embodiment can be freely combined according to actual needs. The foregoing embodiments are preferred embodiments of the present utility model, and other embodiments are included, without departing from the spirit of the present utility model.

Claims

1. The sludge treatment device comprises a water storage tank, a vertical rod, a floating block, a decanter, a feeding component and a pouring component, and is characterized in that the top end of the water storage tank is opened, the vertical rod is longitudinally arranged in the middle of the water storage tank, the floating block is longitudinally and slidably connected to the vertical rod, the decanter is arranged above the floating block, the decanter is slidably connected to the vertical rod, the feeding component is arranged on the water storage tank and is used for guiding mixed liquid to be treated into the water storage tank, the mixed liquid can naturally settle and layer up and down into supernatant and sludge in the water storage tank, and the pouring component is arranged in the water storage tank and is used for discharging the supernatant.

2. The sludge treatment device of the sludge storage pond according to claim 1, wherein an upper limiting block and a lower limiting block are arranged on the vertical rod, the lower limiting block is positioned right below the upper limiting block, and the floating block is longitudinally and slidably connected between the upper limiting block and the lower limiting block.

3. The sludge treatment apparatus of claim 2 wherein the decanter is a float type.

4. The sludge treatment apparatus of claim 1, wherein the feeding assembly comprises a sludge pump and a sludge pipe, the sludge pump is disposed outside the water storage tank, one end of the sludge pipe extends into the water storage tank, and the other end of the sludge pipe is connected with the sludge pump.

5. The sludge treatment apparatus of a sludge storage tank as claimed in claim 2, wherein the dumping assembly comprises a hose, a discharging pipe and a discharging valve, one end of the discharging pipe extends into the water storage tank and is positioned below the lower limiting block, the hose is connected between the discharging pipe and the decanter, the bottom of the hose is bent upwards when the decanter moves to the lowest position, the discharging valve is positioned at the outer side of the water storage tank, and the discharging valve is arranged on the discharging pipe.

6. The sludge treatment apparatus of the sludge storage pond according to claim 5, wherein a manual valve is further installed on the discharge pipe.