CN217015644U

CN217015644U - Automatic filtering device

Info

Publication number: CN217015644U
Application number: CN202123437931.2U
Authority: CN
Inventors: 李毕武; 胡俊; 吴书佳; 印涛; 袁晓宁
Original assignee: Changzhou Sailan Photovoltaic Technology Co ltd
Current assignee: Changzhou Sailan Photovoltaic Technology Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-07-22
Anticipated expiration: 2031-12-31

Abstract

The automatic filtering device comprises an outer rotating cylinder which is transversely arranged, wherein a support is arranged in the outer rotating cylinder and is connected with a motor, and a spiral inner reel for discharging is also arranged in the outer rotating cylinder; the outer rotary drum is also connected with a water inlet assembly and a feeding assembly, the water inlet assembly comprises a water inlet pipe extending into the outer rotary drum, and a spray head is arranged on the water inlet pipe; the feeding component comprises a feeding pipe at one side of the outer rotary drum, and a feeding diaphragm pump is connected to the feeding pipe; the bottom of the external rotating cylinder is also provided with a liquid receiving disc. The utility model reduces the workload of staff, improves the filtering efficiency and avoids the problem of out-of-control product quality caused by the damage of the filter screen.

Description

Automatic filtering device

Technical Field

The utility model belongs to the field of sludge filtration, and particularly relates to an automatic filtration device.

Background

Sewage treatment has been a hotspot in environmental management. In recent years, the national sewage treatment rate is over 90%, but a large amount of sludge containing a large amount of harmful substances is generated at the same time of sewage treatment, but due to the shortage of treatment technologies, the sludge becomes an industrial problem to be solved urgently. The phenomenon of 'heavy water and light mud' is serious nationwide, the treatment efficiency of sludge generated after sewage treatment is low, the reduction effect is poor, and in many places, the sludge is generally transported to suburbs for simple landfill treatment. In addition, in the process of recovering valuable components, aiming at waste materials containing valuable components, such as silicon carbide sludge, the problems of low purity of the recovered components and high content of large-particle impurities exist.

In the process of the above problems, plate-and-frame filter presses, slurry separation and dehydration machines, horizontal screw centrifuges, belt sludge dehydration machines, etc. are often used as the filtering equipment, and the use of these equipment has the defects of long treatment time, high equipment cost, low dehydration efficiency, etc. For example, when filtering silicon carbide sludge, an operator is required to continuously operate for more than 5 hours to filter 1 batch of silicon carbide sludge of about 8t, and the cleaning material needs to be frequently stirred by tools, tap water flushing and the like, so that the filter screen is easily damaged, and once the cleaning material is damaged, slag is mixed into the cleaning material, thereby reducing the purity of the cleaning material.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a full-automatic filtering device aiming at the defects of the background technology, which reduces the workload of staff, improves the filtering efficiency and avoids the problem of out-of-control product quality caused by the damage of a filter screen.

The utility model adopts the following technical scheme for solving the technical problems:

an automatic filtering device comprises an outer rotary drum which is transversely arranged, wherein an inner support is arranged in the outer rotary drum and is connected with a motor, and a spiral inner reel wheel for discharging is also arranged in the outer rotary drum; the outer rotating cylinder is also connected with a water inlet assembly and a feeding assembly, the water inlet assembly comprises a water inlet pipe extending into the outer rotating cylinder, and a spray head is arranged on the water inlet pipe; the feeding assembly comprises a feeding pipe at one side of the outer rotary drum, and a feeding diaphragm pump is connected to the feeding pipe; the bottom of the external rotating cylinder is also provided with a liquid receiving disc.

Furthermore, the water inlet assembly also comprises a pressure stabilizing pump arranged on the water inlet pipe.

Further, the water inlet assembly further comprises a basket filter arranged on the water inlet pipe.

Further, the spray heads include inner spray heads distributed inside the outer rotating drum and outer spray heads distributed directly above the outer rotating drum.

Furthermore, the motor also comprises a base support, and the base support is connected with a motor shaft bearing of the motor.

Furthermore, one end of the outer rotating cylinder, which is connected with the motor, is provided with a water baffle, and the other end of the outer rotating cylinder is a slag outlet of the inner reel.

Furthermore, the outer rotating cylinder is covered with a filter screen, and the mesh number of the filter screen is between 50# and 300 #.

Compared with the prior art, the utility model adopting the technical scheme has the following technical effects:

1. the filtering efficiency is greatly improved, a common filtering device filters a batch of 8t silicon carbide sludge, an operator needs to continuously operate for more than 5 hours, the automatic filtering device is used for filtering the same amount of materials, the operation time is less than 2 hours, and the operator only needs to perform 5min routing inspection;

2. the product purity is improved, the common filtering device inevitably damages the filter screen, so that filter residues are mixed into filtrate, and the purity of the washing product is often lower than 90 percent, the hidden danger is completely solved by using the automatic filtering device, the filtrate and the filter residues are really and effectively separated, and the purity of the washing product can reach more than 93 percent;

3. the water consumption is obviously reduced, the water consumption of a common filtering device cannot be effectively controlled, the water consumption generally exceeds 6 t/batch, and the water consumption is basically stabilized at 3.5 t/batch after the automatic filtering device is used.

Drawings

Fig. 1 is a schematic overall structure diagram of the present embodiment.

In the figure, 1, an outer spray head; 2. an inner support; 3. a basket filter; 4. a pressure stabilizing pump; 5. a water inlet pipe; 6. a water baffle; 7. a motor shaft; 8. an inner spray head; 9. A slag outlet, 10, an outer rotary drum; 11. a liquid receiving disc; 12. a discharge port; 13. an internal reel; 14. a feed pipe; 15. a base support.

Detailed Description

The technical scheme of the utility model is further explained in detail by combining the attached drawings:

an automatic filtering device, as shown in fig. 1, comprises an outer cylinder 10 transversely disposed, the outer cylinder 10 being covered with a filter screen having a mesh number of 50# to 300 #. An inner support 2 is arranged in the outer rotating cylinder 10 and is connected with a motor, and a spiral inner reel 13 for discharging is also arranged in the outer rotating cylinder 10; one end of the outer rotating cylinder 10, which is connected with the motor, is provided with a water baffle 6, and the other end is a slag outlet 9 of the inner reel 13.

The outer rotary drum 10 is also connected with a water inlet component and a feeding component:

the water inlet component comprises a water inlet pipe 5 extending into the outer rotary drum 10, and a spray head is arranged on the water inlet pipe 5; the spray heads comprise inner spray heads 8 distributed inside the outer drum 10 and outer spray heads 1 distributed directly above the outer drum 10. The water inlet assembly also comprises a pressure maintaining pump 4 and a basket filter 3 which are arranged on the water inlet pipe 5. The motor is characterized by further comprising a base support 15, wherein the base support 15 is in bearing connection with the motor shaft 7 of the motor.

The feeding component comprises a feeding pipe 14 at one side of the outer rotary drum 10, and a feeding diaphragm pump is connected to the feeding pipe 14; the bottom of the outer rotating cylinder 10 is also provided with a liquid receiving disc 11.

The automatic filtering device comprises the following operation steps:

1. and (3) opening a tap water valve, starting the pressure stabilizing pump 4, adjusting the pressure stabilizing pump 4, controlling the pressure to be 6.5-7kgf/cm2, and checking that the inner/outer spray nozzles 1 are sprayed with water and the flow is normal.

2. And starting a motor, adjusting the frequency, and controlling the outer rotary drum 10 to stably run at the rotating speed of 13 +/-2 revolutions per minute.

3. And (4) starting the feeding diaphragm pump, wherein the opening degree of the air source is about 70%, and the silicon carbide sludge is confirmed to be normally fed and pumped into the outer rotating cylinder 10.

4. Along with the rotation of the outer rotary drum 10, the materials roll in the outer rotary drum 10 and are fully contacted and cleaned with water, and filter residues cannot penetrate through a filter screen due to large particles and are gradually pushed to a slag outlet 9 at the left end by the inner reel 13; the filtrate mixed with the silicon carbide particles penetrates through the filter screen into the liquid receiving disc 11 and is discharged from a discharge port 12 of the liquid receiving disc 11.

The automatic filtering device greatly improves the filtering efficiency, a common filtering device filters a batch of 8t silicon carbide sludge, an operator needs to continuously operate for more than 5 hours, the automatic filtering device is used for filtering the same amount of materials, the operation time is less than 2 hours, and the operator only needs to perform 5min routing inspection;

the automatic filtering device improves the product purity, the common filtering device inevitably causes the damage of the filter screen, the filter residue is mixed into the filtrate, and the purity of the washing product is often lower than 90 percent, the hidden trouble is completely solved by using the automatic filtering device, the filtrate and the filter residue are really and effectively separated, and the purity of the washing product can reach more than 93 percent;

the automatic filtering device obviously reduces the water consumption, the water consumption of a common filtering device cannot be effectively controlled, the water consumption usually exceeds 6 t/batch, and the water consumption is basically stabilized at 3.5 t/batch after the automatic filtering device is used.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

The above embodiments are only for illustrating the technical idea of the present invention, and the technical idea of the present invention is not limited thereto, and any modifications made on the basis of the technical solution according to the technical idea of the present invention fall within the protective scope of the present invention. While the embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. An automatic filtration device, characterized in that: comprises an outer rotary cylinder which is transversely arranged, an inner bracket is arranged in the outer rotary cylinder and is connected with a motor, and a spiral inner reel for discharging is also arranged in the outer rotary cylinder; the outer rotary drum is also connected with a water inlet assembly and a feeding assembly, the water inlet assembly comprises a water inlet pipe extending into the outer rotary drum, and a spray head is arranged on the water inlet pipe; the feeding assembly comprises a feeding pipe at one side of the outer rotary drum, and a feeding diaphragm pump is connected to the feeding pipe; the bottom of the external rotating cylinder is also provided with a liquid receiving disc.

2. An automatic filtration device as claimed in claim 1, wherein: the water inlet assembly further comprises a pressure stabilizing pump arranged on the water inlet pipe.

3. An automatic filtration device as claimed in claim 1, wherein: the water inlet assembly further comprises a basket filter arranged on the water inlet pipe.

4. An automatic filtration device as claimed in claim 1, wherein: the spray heads comprise inner spray heads distributed in the outer rotary drum and outer spray heads distributed right above the outer rotary drum.

5. An automatic filtration device as claimed in claim 1, wherein: the motor is characterized by further comprising a base support, and the base support is connected with a motor shaft bearing of the motor.

6. An automatic filtration device according to claim 1, wherein: one end of the outer rotating cylinder, which is connected with the motor, is provided with a water baffle, and the other end of the outer rotating cylinder is a slag outlet of the inner reel.

7. An automatic filtration device according to claim 1, wherein: the outer rotary drum is covered with a filter screen with the mesh number of 50-300 #.