Stirring tank for fluidizing oily sludge

Abstract

The utility model relates to the technical field of stirring, in particular to a stirring tank for fluidizing oily sludge, which comprises a tank body and a feed hopper fixedly communicated with the top of the tank body, and two support frames are symmetrically and fixedly mounted at the bottom of the tank body; the pump body is fixedly mounted at the bottom of the tank body, and an input port of the pump body is communicated with the bottom of the tank body; the circulating stirring assembly comprises a rotating shaft rotationally mounted in the tank body, and a driving motor used for driving the rotating shaft to rotate is fixedly mounted on the surface of the tank body. Oily sludge is pre-scattered through each crushing cutter 14, then enters the tank body, rotates through each stirring rod 7, and is repeatedly stirred by each sludge turning plate 12 from a low position to a high position, so that the oily sludge and the liquid medicine in the tank body 1 are fully and uniformly mixed and react, the oily sludge is diluted by water in the liquid medicine, and the oily sludge is uniformly stirred by the stirring plates 12. The fluidization effect is achieved, the subsequent tempering and demulsification time is shortened, and the tempering and demulsification effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to stirring technical field especially relates to a stirring tank for oil-containing sludge fluidization. BACKGROUND

[0002] Waste mineral oil is the oil that is replaced when the original physical and chemical properties are changed due to impurity pollution, oxidation and heat, mainly from oil sludge and oil feet generated in oil exploitation and refining, precipitates generated in mineral oil storage process, and oil residue and filter media generated in the process of replacing oil and regeneration of machinery, power and transportation equipment. If not treated and directly discharged or arbitrarily buried, it will pollute the surrounding soil, water and air.

[0003] For the recovery and treatment of oil-containing sludge, methods such as sedimentation, filtration, dissolution and extraction are usually used. Before recovery and treatment, the oil-containing sludge needs to be conditioned and demulsified. However, due to the high viscosity and fine particles of the oil-containing sludge, the existing stirring machines for conditioning and demulsification are usually single stirring rods arranged at the bottom of ordinary stirring tanks for direct stirring. The oil-containing sludge is easy to form clumps in the stirring tank, which cannot be fully mixed with the liquid medicine, thereby affecting the efficiency and effect of subsequent treatment of the oil-containing sludge. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problems in the background art and provides a stirring tank for oil-containing sludge fluidization.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A stirring tank for oil-containing sludge fluidization, comprising:

[0007] A tank body and a feed hopper fixedly connected to the top of the tank body, two support frames symmetrically fixedly installed at the bottom of the tank body;

[0008] A pump body fixedly installed at the bottom of the tank body, with the input port of the pump body communicating with the bottom of the tank body;

[0009] A circulating stirring assembly, comprising a rotating shaft rotatably installed in the tank body, a driving motor fixedly installed on the surface of the tank body for driving the rotating shaft to rotate, a plurality of stirring rods fixedly installed on the surface of the rotating shaft, a first gear coaxially fixedly installed at the middle part of the rotating shaft, a second gear meshing with the upper side of the first gear and rotatably installed in the tank body through a crushing shaft, an internal gear ring meshing with the outer side of the second gear, a plurality of mud turning plates fixedly installed on the outer side of the internal gear ring, and the other end of the mud turning plate slidingly abutting against the inner surface of the tank body.

[0010] Preferably, a pulverizing shaft is rotatably installed in the feeding hopper, a plurality of pulverizing knives are fixedly installed on the surface of the pulverizing shaft, and the ends of the pulverizing shaft and the rotating shaft are movably penetrated into the rear side of the feeding hopper and the tank body respectively, and the rear ends of the rotating shaft and the pulverizing shaft are connected through chain transmission.

[0011] Preferably, the front and rear sides of each mud turning plate are slidably attached to the inner surface of the tank body.

[0012] Preferably, the length of each stirring rod is less than the shortest distance between the rotating shaft and the pulverizing shaft.

[0013] Preferably, the diameter of the first gear is less than that of the second gear.

[0014] Preferably, the first gear and the inner tooth ring are coaxially arranged.

[0015] Compared with the prior art, the oil-containing sludge fluidization stirring tank has the following advantages:

[0016] 1. The rotation of each pulverizing knife is driven by the pulverizing shaft, so that the oil-containing sludge is first broken up, facilitating subsequent stirring and fluidization.

[0017] 2. Each stirring rod stirs the oil-containing sludge and the liquid medicine entering the tank body, and then the mud turning plate re-stirs the oil-containing sludge and the liquid medicine at the bottom of the tank body after stirring, and moves them to a high place in the tank body, and then falls down and repeatedly contacts each stirring rod, so that the oil-containing sludge and the liquid medicine are fully mixed and reacted, the oil-containing sludge is diluted by the water in the liquid medicine, and the fluidization effect is achieved, so that the time for subsequent conditioning and demulsification is reduced, and the conditioning and demulsification effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 The first perspective structural schematic view of the oil-containing sludge fluidization stirring tank is provided.

[0019] Figure 2 The sectional view structural schematic view of the oil-containing sludge fluidization stirring tank is provided.

[0020] Figure 3 The second perspective structural schematic view of the oil-containing sludge fluidization stirring tank is provided.

[0021] Figure 4 The local structural schematic view of the fixed plate in the oil-containing sludge fluidization stirring tank is provided.

[0022] Figure 5 The local structural schematic view of the fixed plate in the oil-containing sludge fluidization stirring tank is provided. Figure 4 The enlarged structural schematic view of A in the oil-containing sludge fluidization stirring tank is provided.

[0023] In the figure: 1 tank body, 2 feed hopper, 3 support frame, 4 pump body, 5 rotating shaft, 6 drive motor, 7 stirring rod, 8 first gear, 9 rotating shaft, 10 second gear, 11 inner tooth ring, 12 mud turning plate, 13 crushing shaft, 14 crushing knife. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0025] Reference Figures 1 to 5 An oil-containing sludge fluidization stirring tank, comprising:

[0026] The tank body 1 and the feed hopper 2 fixedly communicated at the top of the tank body 1, the bottom of the tank body 1 is symmetrically fixedly installed with two support frames 3; the pump body 4 is fixedly installed at the bottom of the tank body 1, and the input port of the pump body 4 is communicated with the bottom of the tank body 1; after the sludge fluidization is completed, the pump body 4 is started to pump out the sludge fluidized in the tank body 1.

[0027] The circulating stirring assembly comprises a rotating shaft 5 rotatably installed in the tank body 1, the surface of the tank body 1 is fixedly installed with a drive motor 6 for driving the rotating shaft 5 to rotate, the surface of the rotating shaft 5 is fixedly installed with a plurality of stirring rods 7, and the middle part of the rotating shaft 5 is coaxially fixedly installed with a first gear 8; the upper side of the first gear 8 is engaged with a second gear 10 rotatably installed in the tank body 1 through a rotating shaft 9; the outer side of the second gear 10 is engaged with an inner tooth ring 11; the tank body 1, the first gear 8 and the inner tooth ring 11 are coaxially arranged; the diameter of the first gear 8 is smaller than that of the second gear 10; when each crushing knife 14 is rapidly rotated by the rotating shaft 5, the inner tooth ring 11 is slowly rotated by the second gear 10.

[0028] The outer side of the inner tooth ring 11 is fixedly installed with a plurality of mud turning plates 12, and the other end of each mud turning plate 12 is slidably attached to the inner surface of the tank body 1; the front and rear sides of each mud turning plate 12 are slidably attached to the inner surface of the tank body 1, so that the inner tooth ring 11 can only rotate at the original position and cannot be deflected.

[0029] Further, the crushing shaft 13 is rotatably installed in the feed hopper 2, the surface of the crushing shaft 13 is fixedly installed with a plurality of crushing knives 14, and the ends of the crushing shaft 13 and the rotating shaft 5 are respectively movably penetrated to the rear side of the feed hopper 2 and the tank body 1; the rear ends of the rotating shaft 5 and the crushing shaft 13 are connected by chain transmission; when each crushing knife 14 rotates, the oil-containing sludge can be first broken up, facilitating subsequent stirring and fluidization.

[0030] The working principle of the utility model is as follows:

[0031] In use, the oil-containing sludge to be fluidized and the liquid medicine are poured into the feeding hopper 2, at the same time, the driving motor 6 is started to control the rotation of the rotating shaft 5 to control the circumferential movement of the plurality of stirring rods 7, under the transmission of the first gear 8, the second gear 10 engaged with the first gear 8 is slowly rotated, and the inner tooth ring 11 is slowly and synchronously rotated, at the same time, when the rotating shaft 5 rotates, the pulverizing shaft 13 connected with the rotating shaft 5 through a chain transmission is synchronously rotated, so that each pulverizing knife 14 is also synchronously rotated.

[0032] In summary, after the oil-containing sludge and the liquid medicine are poured into the feeding hopper 2, each rotating pulverizing knife 14 can first scatter the oil-containing sludge, then the scattered oil-containing sludge enters the tank 1, each rotating stirring rod 7 stirs the oil-containing sludge, the turning plate 12 can also move the oil-containing sludge stirred at the bottom of the tank 1 to a high position in the tank 1, then the oil-containing sludge falls down and repeatedly contacts each stirring rod 7, so that the oil-containing sludge and the liquid medicine are fully mixed and reacted, the oil-containing sludge is diluted by the water in the liquid medicine, the fluidization effect is achieved, the time for subsequent conditioning and demulsification is reduced, and the conditioning and demulsification effect is better.

[0033] Further, the fixed connection should be understood in a broad sense unless otherwise specified and limited, for example, it can be welding, or gluing, or integrally formed, and other conventional means familiar to those skilled in the art.

[0034] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An agitator tank for fluidizing oily sludge, characterized by comprising: Include: Tank (1) and fixed communication in the top of the tank (1) feed hopper (2), the bottom of the tank (1) is symmetrically fixed installation of two support frame (3); Pump body (4), fixedly installed in the bottom of the tank (1), and the input port of the pump body (4) is communicated with the bottom of the tank (1); Circulating stirring assembly, including rotating shaft (5) rotatingly installed in the tank (1), the surface of the tank (1) is fixedly installed for driving the rotation of the rotating shaft (5) driving motor (6), the surface of the rotating shaft (5) is fixedly installed with a plurality of stirring rod (7), and the middle part of the rotating shaft (5) is also coaxially fixedly installed with first gear (8), the upper side of the first gear (8) is engaged with the second gear (10) rotatingly installed in the tank (1) through the crushing shaft (13), the outer side of the second gear (10) is engaged with the inner tooth ring (11), the outer side of the inner tooth ring (11) is fixedly installed with a plurality of mud board (12), and the other end of the mud board (12) is slidingly attached to the inner surface of the tank (1).

2. The stirring tank for fluidizing oily sludge according to claim 1, wherein The crushing shaft (13) is rotatably installed in the feed hopper (2), the surface of the crushing shaft (13) is fixedly installed with a plurality of crushing knives (14), and the ends of the crushing shaft (13) and the rotating shaft (5) are respectively movably penetrated into the rear side of the feed hopper (2) and the tank (1), the rear ends of the rotating shaft (5) and the crushing shaft (13) are connected by chain transmission.

3. The agitator tank for fluidizing oily sludge according to claim 1, wherein The front and rear sides of each mud board (12) are slidingly attached to the inner surface of the tank (1).

4. The stirring tank for fluidizing oily sludge according to claim 1, wherein The length of each stirring rod (7) is less than the shortest distance between the rotating shaft (5) and the crushing shaft (13).

5. The agitator tank for fluidizing oily sludge according to claim 1, wherein The diameter of the first gear (8) is less than that of the second gear (10).

6. The agitator tank for fluidizing oily sludge according to claim 1, wherein The tank (1), the first gear (8) and the inner tooth ring (11) are coaxially arranged.

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