WO2021017585A1

WO2021017585A1 - Ozone disinfection device for sludge treatment and operation method therefor

Info

Publication number: WO2021017585A1
Application number: PCT/CN2020/091196
Authority: WO
Inventors: 李家骏; 王俊武; 姜燕
Original assignee: 南京汉尔斯生物科技有限公司
Priority date: 2019-07-28
Filing date: 2020-05-20
Publication date: 2021-02-04
Also published as: CN110316920A; CN110316920B

Abstract

An ozone disinfection device for sludge treatment and an operation method therefor. The ozone disinfection device comprises a device tank body (1). An electric motor (3) is fixedly mounted at one side of the device tank body (1), a circulation pipeline (19) is fixedly provided on the top of the other side of the device tank body (1). A gas circulation pump (20) is fixedly mounted inside the circulation pipeline (19), a control valve (18) is fixedly mounted on the circulation pipeline (19). An ozone generator (22) is fixedly mounted on the back face of the device tank body (1) via a mounting plate (21). A gas countercurrent valve (24) is fixedly mounted on a gas inlet pipeline (23). The electric motor (3) provided drives a second rotating shaft (17) to rotate, so that a fixing frame (11) drives a steel mesh (12) to tumble sludge, and thus the contact surface between sludge and ozone is increased, and the disinfection effect of ozone is improved. By the circulation pipe (19) provided and providing the gas circulation pump (20) inside the circulation pipeline (19), ozone in the device tank body (1) is sucked into the device tank body (1) again, thereby achieving recycling, and avoiding pollution to the air environment caused by the direct discharge.

Description

Ozone disinfection equipment for sludge treatment and its operation method

Technical field

The invention relates to an ozone disinfection equipment, in particular to an ozone disinfection equipment for sludge treatment and an operation method thereof.

Background technique

Ozone disinfection technology was invented in 1840 by a German chemist C.F. Shebain, and it was used in the water treatment and disinfection industry in 1856. At present, ozone has been widely used in water treatment, air purification, food processing, medical treatment, medicine, aquaculture and other fields, which has greatly promoted the development of these industries.

In the sludge treatment process, ozone disinfection equipment needs to be used to remove bacteria in the sludge. However, when the existing ozone disinfection equipment is used, the contact area between ozone and sludge is too small, and it is difficult for deep sludge It is in complete contact with ozone, and after the ozone is introduced, the direct emission of ozone will cause air pollution and cannot be recycled.

technical problem

The purpose of the present invention is to provide an ozone disinfection equipment for sludge treatment and an operating method thereof, so as to solve the problems raised in the background art.

Technical solutions

In order to achieve the above objective, the present invention provides the following technical solutions: an ozone disinfection equipment for sludge treatment and an operation method thereof, comprising an equipment tank, the top of the equipment tank is movably provided with a cover, and the equipment tank A motor is fixedly installed on one side, a circulation pipe is fixed on the top of the other side of the equipment tank, a gas circulation pump is fixedly installed inside the circulation pipe, and both ends of the circulation pipe are connected with the equipment tank, A control valve is fixedly installed on the circulation pipeline, a mud discharge port is fixedly opened at the bottom of the other side of the equipment tank, and an ozone generator is fixedly installed on the back of the equipment tank through a mounting plate. The ozone generator It communicates with the inside of the equipment tank through an air inlet pipe, and a gas reverse valve is fixedly installed on the air inlet pipe.

As a preferred technical solution of the present invention, a first rotating shaft is inserted through the top of the inside of the equipment tank, fan blades are fixedly installed on both sides of the first rotating shaft, and the middle part of the inside of the equipment tank is inserted through There is a second rotating shaft, a fixed frame is fixedly installed on the second rotating shaft, a steel wire mesh is fixedly installed on the fixed frame, a water storage cavity is provided at the bottom end of the equipment tank, and the top end of the water storage cavity is fixed A multi-layer water filter net is provided, the mud discharge port is located directly above the multi-layer water filter net, and one side of the bottom end of the water storage cavity is fixedly provided with a drain port.

As a preferred technical solution of the present invention, one end of the first rotating shaft and one end of the second rotating shaft both penetrate the inner wall of the device tank to communicate with the outside, and one end of the first rotating shaft and one end of the second rotating shaft are both sleeved A belt pulley is provided, and the two belt pulleys are both connected by a belt drive, and one end of the second rotating shaft is fixedly connected with the output shaft of the motor.

As a preferred technical solution of the present invention, a bearing is embedded in the intersecting part of the first rotating shaft and the equipment tank and the intersecting part of the second rotating shaft and the equipment tank. Both ends of the rotating shaft are rotatably connected with corresponding bearings.

As a preferred technical solution of the present invention, a sealing baffle is slidably connected to the drainage port and the mud discharge port.

As a preferred technical solution of the present invention, a switch panel is fixed on the equipment tank, and a motor control button, a gas circulation pump control button, and an ozone generator control button are respectively fixed on the switch panel. The motor , The gas circulation pump and the ozone generator are electrically connected to the external power supply through the corresponding motor control buttons, gas circulation pump control buttons and ozone generator control buttons.

As a preferred technical solution of the present invention, when the equipment tank is sterilized by ozone, the ozone generated by the ozone generator enters the inside of the equipment tank through the air inlet pipe, and the gas reverse valve prevents the backflow of ozone, The motor drives the first and second rotating shafts to work. The first rotating shaft drives the two fan blades to rotate to generate negative pressure and increase the pressure of ozone. The second rotating shaft drives the fixed frame to rotate, thereby passing the The steel mesh continuously turns the sludge, which increases the contact area between ozone and sludge and enhances the ozone disinfection effect. The gas circulation pump works to pump the ozone inside the equipment tank into the circulation pipeline, and then passes through the circulation. The pipeline enters the inside of the equipment tank for recycling to avoid ozone pollution.

Beneficial effect

Compared with the prior art, the beneficial effects of the present invention are:

1. The present invention is an ozone disinfection equipment for sludge treatment and its operation method. The present invention drives the second rotating shaft to rotate through the motor provided, so that the fixed frame drives the steel wire mesh to roll the sludge, so that the sludge and ozone The contact surface is increased to improve the disinfection effect of ozone;

2. The present invention is an ozone disinfection equipment for sludge treatment and its operation method. The present invention uses a circulating pipeline provided with a gas circulating pump inside the circulating pipeline to re-pump the ozone inside the equipment tank into the equipment tank Internally, realize the recycling of ozone and avoid direct emissions to cause pollution to the air environment;

3. The present invention is an ozone disinfection equipment for sludge treatment and its operation method. The present invention drives two fan blades to rotate through the first rotating shaft provided to increase the pressure of input ozone, increase the mixing pressure of ozone, and enhance the disinfection effect .

Description of the drawings

Figure 1 is a schematic diagram of the front structure of the present invention;

Figure 2 is a schematic diagram of the internal structure of the present invention;

Figure 3 is a schematic side view of the present invention;

Figure 4 is a schematic diagram of the motor transmission structure of the present invention.

In the picture: 1. Equipment tank; 2. Cover; 3. Motor; 4. Drain outlet; 5. Switch panel; 6. First shaft; 7. Bearing; 8. Pulley; 9. Belt; 10. Fan blade 11. Fixed frame; 12. Steel wire mesh; 13. Water storage cavity; 14. Multi-layer water filter net; 15. Mud discharge port; 16. Seal baffle; 17. Second rotating shaft; 18. Control valve; 19. Circulation pipeline; 20. Gas circulation pump; 21. Mounting plate; 22. Ozone generator; 23. Intake pipeline; 24. Gas counterflow valve.

Embodiments of the invention

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

Referring to Figures 1-4, the present invention provides an ozone disinfection equipment for sludge treatment and an operation method thereof. The equipment includes an equipment tank 1. The top of the equipment tank 1 is movably provided with a cover 2 and a part of the equipment tank 1. The motor 3 is fixedly installed on the side, the top of the equipment tank 1 is fixedly provided with a circulation pipe 19, the inside of the circulation pipe 19 is fixedly installed with a gas circulation pump 20, and both ends of the circulation pipe 19 are connected with the equipment tank 1. A control valve 18 is fixedly installed on the circulation pipe 19, a mud discharge port 15 is fixedly opened at the bottom of the other side of the equipment tank 1, and an ozone generator 22 is fixedly installed on the back of the equipment tank 1 through a mounting plate 21. The ozone generator 22 It communicates with the inside of the equipment tank 1 through the air inlet pipe 23. A gas reverse valve 24 is fixedly installed on the air inlet pipe 23. An ozone generator 22 is provided to inject ozone into the equipment tank 1 for sludge disinfection. The gas circulating pump 20 facilitates the recycling of ozone inside the equipment tank 1 and avoids air pollution.

Preferably, the top of the equipment tank 1 is interspersedly connected with a first rotating shaft 6, both sides of the first rotating shaft 6 are fixedly installed with fan blades 10, and the middle of the inside of the equipment tank 1 is interspersed with a second rotating shaft 17, and A fixed frame 11 is fixedly installed on the rotating shaft 17, a steel wire mesh 12 is fixedly installed on the fixed frame 11, a water storage chamber 13 is provided at the bottom of the equipment tank 1, and a multi-layer water filter screen 14 is fixed at the top of the water storage chamber 13 The sludge outlet 15 is located directly above the multi-layer water filter net 14, and the bottom end of the water storage cavity 13 is fixedly provided with a drainage port 4, and the first rotating shaft 6 is provided to drive the fan blade 10 to rotate, which is convenient to pressurize the input ozone , To enhance the disinfection effect, the second rotating shaft 17 is provided to drive the fixed frame 11 to rotate, and the fixed frame 11 rotates the steel wire mesh 12 to continuously roll the sludge and increase the contact area with ozone. The multi-layer water filter screen 14 is provided for convenience The sewage in the sludge leaks and is stored through the water storage cavity 13.

Preferably, one end of the first rotating shaft 6 and one end of the second rotating shaft 17 both penetrate the inner wall of the device tank 1 to communicate with the outside, and one end of the first rotating shaft 6 and one end of the second rotating shaft 17 are both sleeved with a pulley 8, two The two pulleys 8 are all connected by a belt 9 for transmission. One end of the second rotating shaft 17 is fixedly connected to the output shaft of the motor 3, which is driven by the motor 3. Through the transmission between the two pulleys 8, the first rotating shaft 6 and the second The rotating shaft 17 rotates simultaneously.

Preferably, a bearing 7 is embedded in the intersecting part of the first rotating shaft 6 and the equipment tank 1 and the intersecting part of the second rotating shaft 17 and the equipment tank 1, both ends of the first rotating shaft 6 and both ends of the second rotating shaft 17. Both are rotatably connected with the corresponding bearing 7, and the bearing 7 is provided to avoid driving the equipment tank 1 to rotate when the first rotating shaft 6 and the second rotating shaft 17 rotate, causing the motor to increase muscle load and damage the motor.

Preferably, a sealing baffle 16 is slidably connected to the drainage port 4 and the mud discharge port 15, and the provided sealing baffle 16 improves the sealing performance and avoids leakage.

Preferably, a switch panel 5 is fixed on the equipment tank 1, and a motor control button, a gas circulation pump control button, and an ozone generator control button are fixed on the switch panel 5, respectively, a motor 3, a gas circulation pump 20 and an ozone generator 22 are electrically connected to the external power supply through the corresponding motor control buttons, gas circulation pump control buttons and ozone generator control buttons. The external power supply provides power support for the motor 3, the gas circulation pump 20 and the ozone generator 22, so that the motor 3, The gas circulation pump 20 and the ozone generator 22 work normally.

Preferably, when the equipment tank 1 is performing ozone disinfection, the ozone produced by the ozone generator 22 enters the inside of the equipment tank 1 through the air inlet pipe 23, the gas reverse valve 24 prevents the reverse flow of ozone, and the motor 3 works to drive the first rotating shaft 6 Working with the second rotating shaft 17, the first rotating shaft 6 drives the two fan blades 10 to rotate, generating negative pressure and increasing the entering pressure of ozone. The second rotating shaft 17 drives the fixed frame 11 to rotate, thereby continuously turning the sludge through the wire mesh 12. The contact area between ozone and sludge is increased, and the ozone disinfection effect is improved. The gas circulation pump 20 works to pump the ozone inside the equipment tank 1 into the circulation pipe 19, and enters the equipment tank 1 through the circulation pipe 19 to perform Recycle to avoid ozone pollution.

In specific use, the present invention is an ozone disinfection equipment for sludge treatment and its operation method. The motor 3, gas circulation pump 20 and ozone generator 22 are all passed through corresponding motor control buttons, gas circulation pump control buttons and ozone generators. The control button is electrically connected to the external power supply, the sludge is placed inside the equipment tank 1, and the cover 2 is closed. The sludge falls on the multilayer water filter net 14, and the water in the sludge is filtered from the multilayer The net 14 leaks into the water storage chamber 13. By pressing the motor control button, gas circulation pump control button and ozone generator control button, the motor 3, gas circulation pump 20 and ozone generator 22 work at the same time, the model is OPV- The ozone generator 22 of 70 works, enters the inside of the equipment tank 1 through the air inlet pipe 23, and disinfects the sludge. At the same time, the motor 3 works, and the output shaft of the motor 3 drives the second rotating shaft 17 to rotate, thereby the second rotating shaft 17 The fixed frame 11 is driven to rotate, so that the steel wire mesh 12 drives the sludge to roll, which increases the contact area between the sludge and ozone and improves the disinfection effect. The pulley 8 at one end of the second rotating shaft 17 rotates, and the belt 9 drives the other pulley 8 to rotate. The first rotating shaft 6 is made to rotate, and the first rotating shaft 6 drives the two fan blades 10 to rotate, increasing the pressure of the input ozone. The gas circulating pump 20 of the model ZJP-70 works to pass the ozone inside the equipment tank 1 through the circulating pipeline 19 is pumped into the inside of the equipment tank 1 again for recycling.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the pointed device Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.

In the present invention, unless otherwise clearly specified and limited, for example, it can be a fixed connection, a detachable connection, or a whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or Indirectly connected through an intermediate medium, which can be the internal communication between two elements or the interaction between two elements. Unless otherwise clearly defined, those of ordinary skill in the art can understand that the above terms are used in the present invention according to specific circumstances. The specific meaning in.

Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. And variations, the scope of the present invention is defined by the appended claims and their equivalents.

Claims

An ozone disinfection equipment for sludge treatment and an operation method thereof, comprising an equipment tank (1), characterized in that the top of the equipment tank (1) is movably provided with a cover (2), and the equipment tank A motor (3) is fixedly installed on one side of (1), a circulating pipe (19) is fixedly installed on the top of the other side of the equipment tank (1), and a gas circulation is fixedly installed inside the circulating pipe (19). A pump (20), both ends of the circulation pipe (19) are connected to the equipment tank (1), the circulation pipe (19) is fixedly installed with a control valve (18), and the equipment tank (1) The bottom of the other side is fixedly provided with a mud outlet (15), the back of the equipment tank (1) is fixedly installed with an ozone generator (22) through a mounting plate (21), and the ozone generator (22) passes The intake pipe (23) is in communication with the inside of the equipment tank (1), and a gas reverse valve (24) is fixedly installed on the intake pipe (23).
The ozone disinfection equipment for sludge treatment and its operation method according to claim 1, characterized in that: the top of the inside of the equipment tank (1) is interspersedly connected with a first rotating shaft (6), the first Fan blades (10) are fixedly installed on both sides of the rotating shaft (6), a second rotating shaft (17) is inserted and connected to the middle of the inside of the equipment tank (1), and the second rotating shaft (17) is fixedly installed A fixed frame (11), a steel wire mesh (12) is fixedly installed on the fixed frame (11), a water storage cavity (13) is provided at the bottom end of the equipment tank (1), and the water storage cavity (13) ) Is fixed with a multi-layer water filter screen (14), the mud outlet (15) is located directly above the multi-layer water filter screen (14), and one side of the bottom end of the water storage cavity (13) is fixedly opened There is a drain (4).
The ozone disinfection equipment for sludge treatment and its operation method according to claim 2, characterized in that: one end of the first rotating shaft (6) and one end of the second rotating shaft (17) both penetrate the equipment tank ( 1) The inner wall is in communication with the outside, and one end of the first rotating shaft (6) and one end of the second rotating shaft (17) are both sleeved with a pulley (8), and a belt is passed between the two pulleys (8) (9) Transmission connection, one end of the second rotating shaft (17) is fixedly connected with the output shaft of the motor (3).
The ozone disinfection equipment for sludge treatment and its operation method according to claim 2, characterized in that: the intersecting part of the first rotating shaft (6) and the equipment tank (1) and the second rotating shaft (17) Bearings (7) are embedded in the intersecting places with the equipment tank (1), and both ends of the first rotating shaft (6) and the second rotating shaft (17) are rotatably connected with the corresponding bearings (7) .
The ozone disinfection equipment for sludge treatment and its operation method according to claim 2, characterized in that: the drainage port (4) and the sludge discharge port (15) are both slidingly connected with a sealing baffle (16) .
The ozone disinfection equipment for sludge treatment and its operation method according to claim 1, characterized in that: a switch panel (5) is fixed on the equipment tank (1), and the switch panel (5) Motor control buttons, gas circulation pump control buttons and ozone generator control buttons are respectively fixed on the upper part. The motor (3), gas circulation pump (20) and ozone generator (22) are all controlled by the corresponding motor control buttons, gas The circulating pump control button and the ozone generator control button are electrically connected to the external power supply.
The ozone disinfection equipment for sludge treatment and its operation method according to claim 1, characterized in that: when the equipment tank (1) is performing ozone disinfection, the ozone generator (22) generates ozone through The air inlet pipe (23) enters into the inside of the equipment tank (1), the gas reverse valve (24) prevents the backflow of ozone, and the motor (3) works to drive the first shaft (6) and the second shaft (17) ) Work, the first rotating shaft (6) drives the two fan blades (10) to rotate to generate negative pressure and increase the entering pressure of ozone, and the second rotating shaft (17) drives the fixed frame (11) to rotate, thereby passing the The steel wire mesh (12) is constantly turning over the sludge, so that the contact area between ozone and sludge is increased, and the ozone disinfection effect is improved. The gas circulation pump (20) works to remove the ozone inside the equipment tank (1). It is pumped into the circulation pipe (19), and enters the inside of the equipment tank (1) through the circulation pipe (19) for recycling to avoid ozone pollution.