Oily sludge microbiological treatment equipment

Abstract

The utility model discloses oily sludge microbiological treatment equipment, which comprises a tank body and an annular collecting tank connected below the tank body, an electric heating water ring is arranged on the inner wall of the tank body, the annular collecting tank is divided into an inner annular groove for collecting greasy dirt and an outer annular groove for collecting dry sludge, and the tank body is detachably connected with the inner annular groove. The tank body is provided with a telescopic supporting assembly used for supporting the tank body after the inner ring groove is detached, a conical filter screen inclining downwards from the middle to the periphery is arranged on the top of the inner ring groove in an intercepting mode, and the tank body of the equipment is detachably connected with the annular collecting groove. The annular collecting tank can be used for separating and collecting oil stains and dry sludge, so that the cost can be saved; the two drying systems of the electric water heating ring and the air heating assembly are arranged, and the air heating assembly is further connected with the baffling path, so that the activity of microorganisms during fermentation can be guaranteed, the heating efficiency can be improved during sludge drying, and the working efficiency of the equipment is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sludge treatment, in particular to a microbial treatment device for oily sludge. Background Art

[0002] At present, the microbial treatment of sludge usually refers to filtering out most of the sewage from the wet sludge with high water content through a filter, and then degrading the oil in the sludge into environmentally friendly substances under the fermentation of microorganisms, and finally heating and drying it into dry sludge with low water content for recycling. The existing sludge is usually discharged through a screw conveyor after drying, and the discharge port is easily blocked during use, affecting the feeding efficiency of the equipment. In addition, the fermentation of microorganisms usually needs to be heated to 30-40°C to maintain optimal activity, and the drying process usually needs to be maintained above 60°C. Most of the existing oily sludge microbial treatment equipment shares a heating system, which is prone to inaccurate temperature control or slow temperature adjustment, resulting in a significant reduction in the working efficiency of the equipment. Therefore, it is necessary to design an oily sludge microbial treatment equipment that is easy to discharge and has high heating efficiency. Utility Model Content

[0003] The utility model aims to provide an oily sludge microbial treatment device, which solves the problem that the existing oily sludge microbial treatment device is difficult to discharge materials.

[0004] The utility model achieves the above-mentioned purpose through the following technical solutions:

[0005] A microbial treatment device for oily sludge comprises a tank body, a feed port connected to the upper end of the tank body and an annular collecting groove connected to the lower end of the tank body, an electric hot water ring is provided on the inner wall of the tank body, the annular collecting groove is a double-ring structure, which is divided into an inner ring groove for collecting oil and an outer ring groove for collecting dry sludge, the tank body is detachably connected to the inner ring groove, and the tank body is provided with a telescopic support assembly for supporting the inner ring groove after disassembly, a filter screen is provided at the top interception of the inner ring groove, the filter screen and the tank body above form a fermentation space for microbial fermentation, and form a collection space for collecting oil with the inner ring groove below, the filter screen is conical and is arranged to be inclined downward from the middle toward the surrounding areas, the top of the tank body is connected to a motor, the rotating shaft of the motor extends into the tank body and is connected to a stirring rod.

[0006] Furthermore, the interior of the rotating shaft and the stirring rod is a hollow structure and is provided with a partition, the partition forms a deflection path for gas to pass through the interior of the rotating shaft and the stirring rod, the rotating shaft is provided with an air inlet and an air outlet for the deflection path, the air inlet is connected to an air heating component, and the air outlet is provided with a one-way valve for air outlet.

[0007] Furthermore, the outer sleeve of the rotating shaft is provided with a sleeve which does not rotate with the rotating shaft, the sleeve is sealed and connected to the rotating shaft via a sealing ring, the air inlet is located at the connection between the rotating shaft and the sleeve, the sleeve is connected to an air intake pipe, the air heating component is arranged on the air intake pipe, and the air heating component includes an air intake pump and an electric heating sleeve.

[0008] Furthermore, the stirring rod is wrapped with a protective shell on the outside.

[0009] Furthermore, a vibration motor and a support plate are provided in the collection space, the output end of the vibration motor is connected to the filter screen, and the support plate is used to place the vibration motor.

[0010] Furthermore, the telescopic support assembly includes an ear seat, an annular support frame and a telescopic cylinder. The ear seat is arranged on the side of the tank body, and the ear seat is connected to the annular support frame below through a vertically arranged telescopic cylinder.

[0011] The beneficial effects of the utility model are as follows: (1) The tank body of the equipment is detachably connected to the annular collecting tank, and the dry sludge can be discharged by its own gravity, which is not easy to be blocked during discharge, and the annular collecting tank can separate and collect oil and dry sludge through the inner and outer ring grooves, which saves more costs. (2) There are two drying systems, an electric hot water loop and an air heating component, and the air heating component is also connected to a baffle passage, which can not only ensure the activity of microorganisms during fermentation, but also improve the heating efficiency when drying sludge, greatly improving the working efficiency of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall cross-sectional structure of the utility model;

[0013] Figure 2 For this utility model Figure 1 Schematic diagram of the enlarged structure of the stirring rod.

[0014] In the figure: 1. tank body; 2. inner ring groove; 3. outer ring groove; 4. filter screen; 5. motor; 6. rotating shaft; 7. stirring rod; 8. partition; 9. air inlet; 10. air outlet; 11. sleeve; 12. sealing ring; 13. air inlet pipe; 14. air inlet pump; 15. electric heating jacket; 16. protective shell; 17. vibration motor; 18. support plate; 19. ear seat; 20. annular support frame; 21. telescopic cylinder; 22. electric water ring; 23. feed inlet. DETAILED DESCRIPTION

[0015] The present application is further described in detail below in conjunction with the accompanying drawings. It is necessary to point out here that the following specific implementation methods are only used to further illustrate the present application and cannot be understood as limiting the scope of protection of the present application. Technical personnel in this field can make some non-essential improvements and adjustments to the present application based on the above application content.

[0016] like Figure 1-2 As shown, an oily sludge microbial treatment equipment comprises a tank body 1, a feed port 23 connected to the upper end of the tank body 1 and an annular collecting groove connected to the lower end of the tank body 1, an electric hot water ring 22 is provided on the inner wall of the tank body 1, the annular collecting groove is a double-ring structure, which is divided into an inner ring groove 2 for collecting oil and an outer ring groove 3 for collecting dry sludge, the tank body 1 is detachably connected to the inner ring groove 2, and the tank body 1 is provided with a telescopic support assembly for supporting the inner ring groove 2 after disassembly, a filter screen 4 is provided at the top intercepting the inner ring groove 2, the filter screen 4 forms a fermentation space for microbial fermentation with the tank body 1 above, and forms a collection space for collecting oil with the inner ring groove 2 below, the filter screen 4 is conical and is arranged to be inclined downward from the middle to the surrounding areas, the top of the tank body 1 is connected to a motor 5, the rotating shaft 6 of the motor 5 extends into the tank body 1 and is connected to a stirring rod 7.

[0017] Working principle: The tank body 1 and the inner ring groove 2 can be detachably connected by a snap-on connection, but not limited thereto, and a rubber sealing ring is preferably provided at the connection. The filter screen 2 is used to filter the sewage in the sludge. The wet sludge enters the post-fermentation space through the feed port 23, and most of the water is filtered out by the filter screen 4 to the inner ring groove 2. Then, microorganisms are added from the feed port 23 for fermentation and degradation. During the fermentation, the water is heated to 30-40°C by the electric hot water ring 22. Since the specific heat capacity of water is large, the temperature accuracy is easier to control. After the oil pollution in the sludge is harmlessly treated by microorganisms, the conventional step is to pass The hot air keeps the temperature above 60°C and dries the sludge to dryness. Finally, the tank body 1 is disassembled and raised to a higher place through the telescopic support assembly. Since the filter screen 4 is conical and tilted downward from the middle to the surrounding areas, the dry sludge will slide along the tilted filter screen 4 under the action of its own gravity into the outer ring groove 3 of the outer circle of the inner ring groove 2, thereby completing the discharge of the dry sludge. It is not easy to get blocked during discharge, and the annular collection tank can separate and collect oil and dry sludge through the inner and outer ring grooves. The stirring rod 7 is used to make the filtration and fermentation process more thorough, and can be opened as needed during the above process.

[0018] Preferably, the interior of the rotating shaft 6 and the stirring rod 7 is a hollow structure and is provided with a partition 8, the partition 8 forms a deflection passage for gas to pass through the interior of the rotating shaft 6 and the stirring rod 7, the rotating shaft 6 is provided with an air inlet 9 and an air outlet 10 for the deflection passage, the air inlet 9 is connected to an air heating component, the air outlet 10 is provided with a one-way valve for exhausting air, the exhaust gas from the air outlet 10 can be discharged through the feed port 23, and an exhaust port can also be additionally provided, the deflection passage is used to extend the heating path of the hot air and enhance the heating efficiency of the air heating component.

[0019] Preferably, the outer sleeve of the rotating shaft 6 is provided with a sleeve 11 which does not rotate with the rotating shaft 6, and the sleeve 11 is sealed and connected to the rotating shaft 6 by a sealing ring 12. The air inlet 9 is located at the connection between the rotating shaft 6 and the sleeve 11, and the sleeve 11 is connected to an air intake pipe 13. The air heating component is arranged on the air intake pipe 13, and the air heating component includes an air intake pump 14 and an electric heating sleeve 15. The air is heated by the air intake pump 14 and the electric heating sleeve 15 and passed into the rotating shaft 6 through the air intake pipe 13 to dry the oily and harmlessly treated sludge. The above-mentioned connection method is a connection method of the air intake pipe 13 provided by the utility model, which is used to prevent the air intake pipe 13 from rotating with the rotating shaft 6 and can realize the normal operation of the air heating component.

[0020] Preferably, the stirring rod 7 is wrapped with a protective shell 16 on the outside. The protective shell 16 can be made of but not limited to stainless steel. It has good heat transfer effect and can protect the internal stirring rod 7 from corrosion, thereby extending the service life of the equipment.

[0021] Preferably, a vibration motor 17 and a support plate 18 are provided in the collection space, the output end of the vibration motor 17 is connected to the filter screen 4, and the support plate 18 is used to place the vibration motor 17. When the filter screen 4 is blocked, the vibration motor 17 can be started to clean the filter screen 4, and the support plate 18 can be mounted on the inner ring groove 2.

[0022] Preferably, the telescopic support assembly includes an ear seat 19, an annular support frame 20 and a telescopic cylinder 21. The ear seat 19 is arranged on the side of the tank body 1, and the ear seat 19 is connected to the annular support frame 20 below through a vertically arranged telescopic cylinder 21. A setting method of the telescopic support assembly is used to realize that the telescopic support assembly supports the tank body 1 after the inner ring groove 2 is disassembled, thereby achieving the purpose of facilitating material unloading.

[0023] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An oily sludge microbial treatment device, characterized in that: The invention comprises a tank body (1), a feed port (23) connected to the upper end of the tank body (1), and an annular collecting groove connected to the lower end of the tank body (1); an electric hot water ring (22) is provided on the inner wall of the tank body (1); the annular collecting groove is a double-ring structure, which is divided into an inner ring groove (2) for collecting oil pollution and an outer ring groove (3) for collecting dry sludge; the tank body (1) is detachably connected to the inner ring groove (2), and the tank body (1) is provided with a telescopic support group for supporting the inner ring groove (2) after disassembly. The top of the inner annular groove (2) is intercepted by a filter screen (4), the filter screen (4) and the tank body (1) above form a fermentation space for microbial fermentation, and the filter screen (4) and the inner annular groove (2) below form a collection space for collecting oil pollution, the filter screen (4) is conical and is inclined downward from the middle toward the surrounding areas, the top of the tank body (1) is connected to a motor (5), the rotating shaft (6) of the motor (5) extends into the tank body (1) and is connected to a stirring rod (7).

2. The oily sludge microbial treatment equipment according to claim 1, characterized in that: The interior of the rotating shaft (6) and the stirring rod (7) is a hollow structure and is provided with a partition (8), and the partition (8) forms a deflection passage for gas to pass through the interior of the rotating shaft (6) and the stirring rod (7). The rotating shaft (6) is provided with an air inlet (9) and an air outlet (10) for the deflection passage, the air inlet (9) is connected to an air heating component, and the air outlet (10) is provided with a one-way valve for air outlet.

3. The oily sludge microbial treatment equipment according to claim 2 is characterized in that: The outer sleeve of the rotating shaft (6) is provided with a sleeve (11) which does not rotate with the rotating shaft; the sleeve (11) is sealedly connected to the rotating shaft (6) via a sealing ring (12); the air inlet (9) is located at the connection between the rotating shaft (6) and the sleeve (11); the sleeve (11) is connected to an air inlet pipe (13); the air heating component is arranged on the air inlet pipe (13); and the air heating component includes an air inlet pump (14) and an electric heating sleeve (15).

4. The oily sludge microbial treatment equipment according to claim 3 is characterized in that: The stirring rod (7) is externally wrapped with a protective shell (16).

5. The oily sludge microbial treatment equipment according to claim 1, characterized in that: A vibration motor (17) and a support plate (18) are arranged in the collection space; the output end of the vibration motor (17) is connected to the filter screen (4); and the support plate (18) is used to place the vibration motor (17).

6. The oily sludge microbial treatment equipment according to claim 1, characterized in that: The telescopic support assembly comprises an ear seat (19), an annular support frame (20) and a telescopic cylinder (21); the ear seat (19) is arranged on the side of the tank body (1), and the ear seat (19) is connected to the annular support frame (20) below through the vertically arranged telescopic cylinder (21).

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