Double-helix activated clay mixing equipment
The design of the double-helix activated clay mixing equipment solves the problem of uneven mixing of bentonite powder and water, achieving more efficient mixing and reducing the risk of clogging, thus improving the production quality of activated clay and the stability of equipment operation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-03-31
AI Technical Summary
In existing technologies, the uneven mixing of bentonite powder and water leads to insufficient activation reaction, affecting the quality of activated clay production and increasing the burden of wastewater treatment.
The double-helix activated clay mixing equipment, through the design of the feeding chamber and mixing chamber, combined with the agitator and mixing components, achieves uniform mixing of water and bentonite powder. The synchronous reverse rotation of the screw unit and the stirring unit improves the mixing efficiency and reduces the risk of clogging.
It improves the uniformity of mixing bentonite powder and water, ensures the quality of the slurry, reduces the risk of mixture accumulation and blockage, and enhances the efficiency of activated clay production and the effectiveness of the equipment.
Smart Images
Figure CN224057224U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of mixing device, concretely relates to a double helix activated white clay mixing equipment. BACKGROUND
[0002] The activated white clay is processed by mainly adopting the wet acidification process with bentonite as raw material. Its production process includes: bentonite hydration, sulfuric acid activation, washing, drying, crushing. The process of wet production is that the bentonite ore with natural moisture content of 20% to 25% is dried to moisture content <20%, then crushed and dried to moisture content <10%, then crushed to 200 mesh, dispersed into mud slurry by adding water in a certain proportion, the dispersed bentonite slurry is punched into the reaction kettle, then a certain amount of acid is added, and activated by steam or other heating medium (generally at 90 to 100 DEG C), while stirring, finally the mud slurry is dewatered by filter press, in the form of mud cake, the mud cake is dried to moisture content of about 7%, then crushed to 200 mesh to obtain the activated white clay product.
[0003] The mixing degree between bentonite powder and water in the mud slurry will directly affect the fullness of the reaction in the subsequent sulfuric acid activation process, so there are cases of local bentonite not being activated or sulfuric acid concentration being too high, which affects the production quality of activated white clay, and also increases the burden of wastewater treatment in the subsequent washing process. UTILITY MODEL CONTENT
[0004] The utility model aims at providing a double helix activated white clay mixing equipment, which can improve the uniformity of mixing between water and bentonite powder, guarantee the quality of the mud slurry formed by mixing, and be beneficial to the subsequent production of activated white clay.
[0005] The utility model solves the above problems by adopting the following technical scheme:
[0006] A double helix activated white clay mixing equipment, comprising:
[0007] A machine body, a feeding cavity and a mixing cavity are formed in the machine body, the feeding cavity is located above the mixing cavity and connected with the mixing cavity, a powder inlet and a water inlet are formed in the feeding cavity, and a slurry outlet is formed in the other end of the mixing cavity;
[0008] A poking assembly for pushing the bentonite powder, which is located in the feeding cavity;
[0009] A mixing assembly for mixing water and bentonite powder, which is located in the mixing cavity;
[0010] The mixing assembly comprises two screw rod units for conveying and stirring the mixture of water and bentonite powder, the two screw rod units are symmetrically arranged relative to the communication between the feeding cavity and the mixing cavity, and the driving mechanism for driving the two screw rod units to synchronously and reversely rotate relative to the machine body is arranged on the machine body.
[0011] As a further improvement of the above technical solution, the screw rod unit comprises a mixing shaft, the mixing shaft is rotationally connected to the machine body, the mixing shaft is provided with helical blades therearound, the mixing shaft is provided with two stirring units which are symmetrically arranged relative to the mixing shaft, the stirring unit comprises a plurality of stirring rods, the stirring rods in the same stirring unit are equidistantly arranged along the axial direction of the mixing shaft, and the stirring rods in the two stirring units are alternately arranged in a staggered manner.
[0012] As a further improvement of the above technical solution, the driving mechanism comprises a first driving motor for driving any one of the two mixing shafts to rotate relative to the machine body, the two mixing shafts are drivingly connected through a gear transmission mechanism, the rotating directions of the two mixing shafts are opposite, and the helical directions of the helical blades on the two mixing shafts are opposite.
[0013] As a further improvement of the above technical solution, the feeding cavity comprises an upper cavity and a lower cavity, the upper cavity is located directly above the lower cavity and is in communication with the lower cavity, the upper cavity is in the shape of a regular quadrangular prism, the powder inlet and the water inlet are both located on the upper cavity, the lower cavity is in the shape of an inverted trapezoidal column, and the stirring assembly is located in the lower cavity.
[0014] As a further improvement of the above technical solution, the stirring assembly comprises a stirring shaft, the stirring shaft is rotationally arranged on the machine body, a second driving motor for driving the stirring shaft to rotate relative to the machine body is arranged on the machine body, the stirring shaft is provided with a plurality of stirring units which are equidistantly arranged along the axial direction of the stirring shaft, the stirring unit comprises a plurality of stirring rods, the stirring rods in the same stirring unit are equiangularly arranged around the central axis of the stirring shaft, and the stirring rods in adjacent stirring units are alternately arranged in a staggered manner.
[0015] As a further improvement of the above technical solution, the slurry outlet is provided with a discharge hopper.
[0016] Compared with the prior art, the present application has the following advantages and effects:
[0017] (1) The present application is provided with the feeding cavity and the mixing cavity, and the mixing assembly has the conveying and stirring effects on the materials, so that the water and the bentonite powder can be contacted in the feeding cavity and form a mixture, and then the mixture is mixed in the mixing cavity, the efficiency of mixing the water and the bentonite powder by the mixing assembly is improved, the uniformity of mixing the water and the bentonite powder in the mixture is improved, and thus the quality of the mud formed by mixing is ensured, and the production of the active white clay is facilitated.
[0018] (2) The utility model discloses a setting through the stirring subassembly between feed cavity and mixing cavity, has reduced the risk of the accumulation of bentonite powder and its mixture with water and caused the blockage, has guaranteed the fluent of the material in feed cavity and entered mixing cavity, thereby has guaranteed the effectiveness of mixing subassembly use and the use effect of equipment. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structure schematic diagram of the dual helix active white clay mixing equipment view angle one of the utility model.
[0020] Figure 2 It is a structure schematic diagram of the dual helix active white clay mixing equipment view angle two of the utility model.
[0021] Figure 3 It is the partial structure schematic diagram of the machine body inside shown in Figure 2
[0022] Figure 4 It is the structure schematic enlarged view of the partial of the dual helix active white clay mixing equipment of the utility model.
[0023] Figure 5 It is the partial structure schematic diagram of the machine body inside shown in Figure 4
[0024] Among them, machine body 1, discharge hopper 11, feed cavity 21, mixing cavity 22, upper cavity 23, lower cavity 24, powder inlet 31, water inlet 32, slurry outlet 33, stirring subassembly 4, stirring shaft 41, second drive motor 42, mixing subassembly 5, screw rod unit 6, mixing shaft 61, spiral blade 62, drive mechanism 7, first drive motor 71, stirring unit 8, stirring rod 81, stirring unit 9, stirring rod 91. DETAILED DESCRIPTION
[0025] The utility model will be further explained in detail in the following in conjunction with the drawings and through the embodiment, and the following embodiment is the explanation of the utility model and the utility model is not limited to the following embodiment.
[0026] Referring to Figures 1-5 The embodiment of the double-helix active white soil mixing device comprises a machine body 1, an inlet cavity 21 and a mixing cavity 22 are formed in the machine body 1, the inlet cavity 21 is located above one end of the mixing cavity 22 and is in communication with the mixing cavity 22, a powder inlet 31 and a water inlet 32 are formed in the inlet cavity 21, a slurry outlet 33 is formed in the other end of the mixing cavity 22, a pushing assembly 4 for pushing the bentonite powder is arranged in the inlet cavity 21, a mixing assembly 5 for mixing the water and the bentonite powder is arranged in the mixing cavity 22, the mixing assembly 5 comprises two screw rod units 6 for conveying and stirring the mixture of the water and the bentonite powder, the two screw rod units 6 are symmetrically arranged relative to the communication part between the inlet cavity 21 and the mixing cavity 22, and a driving mechanism 7 for driving the two screw rod units 6 to synchronously and reversely rotate relative to the machine body 1 is arranged on the machine body 1.
[0027] In use, the bentonite powder and the water are respectively sent into the inlet cavity 21 through the powder inlet 31 and the water inlet 32, the materials are put in, and the bentonite powder is pushed by the pushing assembly 4, so as to reduce the risk that the bentonite powder and the mixture of the bentonite powder and the water are accumulated in the communication part between the inlet cavity 21 and the mixing cavity 22 and cause blockage, and the materials falling into the mixing cavity 22 from the inlet cavity 21 are horizontally conveyed and stirred by the two screw rod units 6, so as to improve the uniformity of the mixture of the water and the bentonite powder, thereby guaranteeing the quality of the slurry formed by mixing.
[0028] Referring to Figure 1 , the slurry outlet 33 is provided with a discharge hopper 11, so as to guarantee the stability of the output direction of the device, facilitate the collection and directional conveying of the slurry formed after mixing, and the discharge hopper 11 is integrally installed on the machine body 1.
[0029] Referring to Figure 2 , Figure 3 , the screw rod unit 6 comprises a mixing shaft 61, the mixing shaft 61 is rotationally connected to the machine body 1, helical blades 62 are arranged around the mixing shaft 61, two stirring units 8 are arranged relative to the mixing shaft 61, the stirring unit 8 comprises a plurality of stirring rods 81, the stirring rods 81 in the same stirring unit 8 are equidistantly arranged along the axial direction of the mixing shaft 61, and the stirring rods 81 in the two stirring units 8 are alternately arranged in a staggered manner.
[0030] The two mixing shafts 61 are driven to rotate reversely synchronously by the driving mechanism 7, and the two helical blades 62 are driven to rotate reversely synchronously, so that the mixture of water and bentonite powder in the mixing cavity 22 is transported and stirred, which facilitates the subsequent collection of the mixed mud, improves the uniformity of the mixture of water and bentonite powder, guarantees the quality of the mud, and in the process of the rotation of the two mixing shafts 61, the stirring rods 81 in the stirring unit 8 are driven to rotate by the mixing shafts 61, so that the mixture of water and bentonite powder is stirred, thereby further improving the uniformity and mixing efficiency of the mixture of water and bentonite powder.
[0031] Referring to Figure 2 , the driving mechanism 7 comprises a first driving motor 71 for driving any one of the two mixing shafts 61 to rotate relative to the body 1, the two mixing shafts 61 are drivingly connected through a gear transmission mechanism, the rotation directions of the two mixing shafts 61 are opposite, and the helical directions of the helical blades 62 on the two mixing shafts 61 are opposite. When the first driving motor 71 drives one of the two mixing shafts 61 to rotate, the other mixing shaft 61 is driven to rotate reversely synchronously through the transmission effect of the gear transmission mechanism (i.e. the number of gears in the gear transmission mechanism is even), and the helical directions of the helical blades 62 on the two mixing shafts 61 are opposite, so that the mixture of water and bentonite powder is transported in the same direction through the synchronous reverse rotation of the two helical blades 62 during the use of the device, thereby improving the mixing efficiency.
[0032] Referring to Figure 4 , the feeding cavity 21 comprises an upper cavity 23 and a lower cavity 24, the upper cavity 23 is located directly above the lower cavity 24 and is in communication with the lower cavity 24, the upper cavity 23 is in the shape of a regular quadrangular prism, the powder inlet 31 and the water inlet 32 are located on the upper cavity 23, the lower cavity 24 is in the shape of an inverted trapezoidal column, which is conducive to guiding water and bentonite powder into the mixing cavity 22, and the stirring assembly 4 is located in the lower cavity 24, so as to guarantee the stability and smoothness of the bentonite powder from the feeding cavity 21 into the mixing cavity 22, and reduce the risk of the mixture of water and bentonite powder blocking the communication between the feeding cavity 21 and the mixing cavity 22.
[0033] Referring to Figure 5 , the stirring assembly 4 comprises a stirring shaft 41, the stirring shaft 41 is rotatably arranged on the body 1, and a second driving motor 42 for driving the stirring shaft 41 to rotate relative to the body 1 is installed on the body 1, a plurality of stirring units 9 are arranged on the stirring shaft 41 at equal intervals along the axial direction of the stirring shaft 41, each stirring unit 9 comprises a plurality of stirring rods 91, the stirring rods 91 in the same stirring unit 9 are arranged at equal angles around the central axis of the stirring shaft 41, and the stirring rods 91 in adjacent stirring units 9 are arranged alternately in a staggered manner.
[0034] The toggle shaft 41 rotates relative to the body 1 under the drive of the second drive motor 42, and drives the toggle units 9 to rotate synchronously and in the same direction, so that the toggle rods 91 push the bentonite powder and the mixture of water and bentonite powder, and guarantee the stability of the communication state between the feeding cavity 21 and the mixing cavity 22.
[0035] The above only is the illustration of the utility model. The skilled in the art of the utility model can make various modifications or supplements or adopt similar ways to replace the described specific embodiments, as long as the content of the utility model specification is not deviated or the range defined by the claims is not exceeded, which shall belong to the protection scope of the utility model.
Claims
1. A twin-screw active clay compounding apparatus, characterized in that, The utility model relates to a bentonite slurry production machine, which comprises a machine body, a pushing assembly, a mixing assembly and a discharge hopper. The machine body has a feeding cavity and a mixing cavity, the feeding cavity is located above the mixing cavity, the feeding cavity is connected with the mixing cavity, the feeding cavity is provided with a powder inlet and a water inlet, and the mixing cavity is provided with a slurry outlet. The pushing assembly is used to push bentonite powder, and is located in the feeding cavity. The mixing assembly is used to mix water and bentonite powder, and is located in the mixing cavity. The mixing assembly comprises two screw rod units used to convey and stir the mixture of water and bentonite powder, the two screw rod units are symmetrically arranged left and right relative to the connection between the feeding cavity and the mixing cavity, and the machine body is provided with a driving mechanism used to drive the two screw rod units to synchronously and reversely rotate relative to the machine body.
2. The twin-screw reactive clay compounding apparatus of claim 1, wherein: The screw rod unit comprises a mixing shaft, the mixing shaft is rotationally connected to the machine body, the mixing shaft is provided with helical blades, the mixing shaft is provided with two stirring units symmetrically arranged left and right relative to the mixing shaft, each stirring unit comprises a plurality of stirring rods, the stirring rods in the same stirring unit are equidistantly arranged along the axial direction of the mixing shaft, and the stirring rods in the two stirring units are alternately arranged in a staggered manner.
3. The twin-screw reactive clay compounding apparatus of claim 2, wherein: The driving mechanism comprises a first driving motor used to drive any one of the two mixing shafts to rotate relative to the machine body, the two mixing shafts are drivingly connected through a gear transmission mechanism, the rotation directions of the two mixing shafts are opposite, and the helical directions of the helical blades on the two mixing shafts are opposite.
4. The twin-screw reactive clay compounding apparatus of claim 1, wherein: The feeding cavity comprises an upper cavity and a lower cavity, the upper cavity is located above the lower cavity and is connected with the lower cavity, the upper cavity is in the shape of a regular quadrangular prism, the powder inlet and the water inlet are located on the upper cavity, and the lower cavity is in the shape of an inverted trapezoidal column.
5. The twin-screw active clay compounding apparatus according to claim 1 or 4, characterized in that: The pushing assembly comprises a pushing shaft, the pushing shaft is rotationally arranged on the machine body, the machine body is provided with a second driving motor used to drive the pushing shaft to rotate relative to the machine body, the pushing shaft is provided with a plurality of pushing units equidistantly arranged along the axial direction of the pushing shaft, each pushing unit comprises a plurality of pushing rods, the pushing rods in the same pushing unit are equiangularly arranged around the central axis of the pushing shaft, and the pushing rods in adjacent pushing units are alternately arranged in a staggered manner.
6. The twin-screw reactive clay compounding apparatus of claim 1, wherein: The discharge hopper is arranged on the slurry outlet.