Single cone dryer with cleaning mechanism

Abstract

The utility model relates to drying -machine technical field, concretely is single cone drying -machine with cleaning mechanism, including machine body, support seat, stirring subassembly, apron and water supply mechanism, the support seat sets up in machine body bottom, the support seat is equipped with several, the stirring subassembly includes motor, oblong shell, round hole, fan blade, cylinder and oblong block, the motor sets up in machine body bottom, motor output and oblong shell are connected, the round hole is set up in oblong shell four sides, the round hole with oblong shell inside is communicated, the fan blade sets up in oblong shell four sides, the round hole with the fan blade all are equipped with several, the cylinder one end with oblong block is connected, the oblong block other end is inserted in oblong shell, the cylinder other end protrudes oblong shell, the apron center is set up with through -hole, the utility model discloses single cone drying -machine with cleaning mechanism, has solved the problem of inconvenient cleaning of current equipment.

Description

Technical Field

[0001] This utility model relates to the field of dryer technology, specifically a single cone dryer with a cleaning mechanism. Background Technology

[0002] As is well known, a single cone dryer is a device that uses a conical cylinder as its main body, and achieves material drying by using jacket heating, stirring paddles to turn the material, and hot air circulation. Its structure usually includes a conical cylinder, stirring system, heating device, inlet and outlet, and control system.

[0003] Existing single-cone dryers with cleaning mechanisms mostly adopt an integrated structure design. When the equipment needs cleaning, it is necessary to rely on external rinsing tools for assistance. This operation mode has obvious drawbacks: on the one hand, operators need to find external cleaning tools such as high-pressure water guns and brushes, which takes about 10-15 minutes each time, seriously affecting work efficiency; on the other hand, the integrated structure results in cleaning dead corners inside the machine, especially around the agitator components, and conventional external rinsing is difficult to thoroughly remove material residues (such as sticky paste-like materials) from the inner walls and crevices. Utility Model Content

[0004] (a) Technical problems to be solved

[0005] To address the shortcomings of existing technologies, this utility model provides a single-cone dryer with a cleaning mechanism.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a single-cone dryer with a cleaning mechanism, comprising a machine body, a support base, a stirring assembly, a cover plate, and a water supply mechanism. The support base is located at the bottom of the machine body, and several support bases are provided. The stirring assembly includes a motor, a rectangular shell, circular holes, fan blades, a cylinder, and a rectangular block. The motor is located at the bottom of the machine body, and its output end is connected to the rectangular shell. The circular holes are formed on all four sides of the rectangular shell and communicate with the interior of the rectangular shell. The fan blades are located on the... The rectangular shell has several circular holes on all four sides, and several fan blades are provided on each side. One end of the cylinder is connected to the rectangular block, the other end of the rectangular block extends into the rectangular shell, and the other end of the cylinder extends out of the rectangular shell. A through hole is provided in the center of the cover plate, and the through hole matches the cylinder. The water supply mechanism includes a tank, a liquid inlet assembly, a telescopic cylinder, and a liquid spraying assembly. The tank is connected to the top of the cover plate through the telescopic cylinder. The liquid inlet assembly is located at the center of the top of the tank, and the liquid spraying assembly is located at the center of the bottom of the tank.

[0008] To improve stability, this utility model is improved by providing several telescopic cylinders, which are arranged symmetrically.

[0009] To facilitate operation of the equipment, the present invention is improved by providing a controller on one side of the housing, the controller being electrically connected to the liquid spraying assembly, and the controller being electrically connected to several of the telescopic cylinders.

[0010] To facilitate observation of the interior of the enclosure, this utility model is improved by providing an observation window on the front of the enclosure, which is embedded in the front of the enclosure.

[0011] To improve stability, this utility model is improved by having several of the aforementioned support seats arranged symmetrically.

[0012] To improve the strength of the support, this utility model is improved by making the support made of stainless steel.

[0013] (III) Beneficial Effects

[0014] Compared with the prior art, the present invention provides a single cone dryer with a cleaning mechanism, which has the following beneficial effects:

[0015] This single-cone dryer with a cleaning mechanism integrates a water supply system, eliminating the need to search for high-pressure water guns and other tools. This saves 10-15 minutes of tool-finding time per cleaning cycle, thus improving work efficiency. The detachable rectangular shell and cylindrical design, combined with a telescopic cylinder driving the spray assembly deep into the machine body, allows high-pressure water (0.2-0.5MPa) sprayed from the circular orifice to cover the gaps in the mixing components and corners of the inner walls—dead zones in traditional integrated structures. This increases the cleaning coverage from 85% to 99%, reducing the residual amount to 0.1mg / cm³. 2 The following features: symmetrically arranged telescopic cylinders ensure the docking accuracy of the spray components is ±0.1mm, avoiding pressure drop caused by water leakage; the combined cleaning process of spraying and stirring (first spraying + second stirring + dead corner cleaning) reduces the cleaning time from the traditional 40 minutes to 15 minutes, increasing efficiency by 60% and completely solving the problem of incomplete cleaning. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the structure of this utility model;

[0017] Figure 2 This utility model Figure 1 A magnified schematic diagram of the partial structure at point A in the middle;

[0018] Figure 3 This is a schematic diagram of the axial structure of this utility model;

[0019] Figure 4 This utility model Figure 1 The front view;

[0020] In the diagram: 1. Body; 2. Support base; 3. Stirring assembly; 4. Motor; 5. Rectangular shell; 6. Circular hole; 7. Fan blade; 8. Cylinder; 9. Cover plate; 10. Through hole; 11. Water supply mechanism; 12. Telescopic cylinder; 13. Box; 14. Liquid inlet assembly; 15. Liquid spraying assembly; 16. Controller; 17. Observation window. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1-4 A single-cone dryer with a cleaning mechanism includes a body 1, a support base 2, a stirring assembly 3, a cover plate 9, and a water supply mechanism 11. The support base 2 is located at the bottom of the body 1, and several support bases 2 are provided. The stirring assembly 3 includes a motor 4, a rectangular shell 5, circular holes 6, fan blades 7, a cylinder 8, and a rectangular block. The motor 4 is located at the bottom of the body 1, and its output end is connected to the rectangular shell 5. The circular holes 6 are formed on all four sides of the rectangular shell 5 and communicate with the interior of the rectangular shell 5. The fan blades 7 are arranged on all four sides of the rectangular shell 5, and the circular holes 6 communicate with the interior of the rectangular shell 5. Each leaf 7 has several openings. One end of the cylinder 8 is connected to the rectangular block, and the other end of the rectangular block extends into the rectangular shell 5. The other end of the cylinder 8 extends out of the rectangular shell 5. A through hole 10 is opened in the center of the cover plate 9. The through hole 10 matches the cylinder 8. The water supply mechanism 11 includes a box body 13, a liquid inlet assembly 14, a telescopic cylinder 12, and a liquid spraying assembly 15. The box body 13 is connected to the top of the cover plate 9 through the telescopic cylinder 12. The liquid inlet assembly 14 is located at the top center of the box body 13, and the liquid spraying assembly 15 is located at the bottom center of the box body 13.

[0023] Working principle: Place the equipment in the designated position, and support the machine body 1 firmly with the support base 2. Connect to the external mains power supply. The machine body 1 is a conventional single cone dryer, which integrates a stirring system, heating device, inlet and outlet and control system. It is necessary to connect its heating interface, exhaust interface, etc. to the external heat medium equipment and dust removal system to build a complete drying circuit (the specific connection method is known to those skilled in the art). Then, fix the cover plate 9 to the top of the machine body 1 with bolts (with flat washers and thread sealant to prevent loosening). At this time, the cylinder 8 passes through the circular hole 6 in the center of the cover plate 9, and the lower end of the cylinder 8 maintains a safe distance of 5-10mm from the bottom of the liquid outlet pipe of the liquid spraying component 15 to avoid collision during stirring.

[0024] Drying process

[0025] Material handling: Pour the material to be dried into the feed inlet (filling amount is 50%-70% of the cylinder volume), start the motor 4 of the stirring component 3 (speed 5-20r / min), drive the rectangular shell 5 to rotate, and the fan blades 7 around the perimeter synchronously turn the material.

[0026] Heating and drying: Turn on the heat medium circulation (such as 120-180℃ heat transfer oil) in the first jacket of the machine body, and cooperate with the external hot air system (80-120℃ hot air is introduced from the bottom) to make the material evenly heated and dried under stirring, and the moisture is discharged from the top with the hot air.

[0027] Unloading operation: When drying is complete and the material moisture content is ≤0.5%, open the discharge port of machine body 1, and the stirring component 3 runs at a low speed of 5r / min to discharge the material smoothly;

[0028] Cleaning operation optimization process

[0029] Preparation for initial cleaning

[0030] Separate the cover plate from the body, then pull the cylinder 8 to make it detach the internal rectangular block from the rectangular shell 5, and then fix the cover plate 9 back in place.

[0031] The symmetrically arranged telescopic cylinder 12 (stroke 100-150mm) is activated to drive the liquid spraying assembly 15 to descend. Its liquid outlet pipe passes through the round hole 6 and is inserted into the rectangular shell 5. The circular cross section at the opening of the rectangular shell 5 is precisely matched with the liquid outlet pipe (gap ≤0.5mm) and sealed by an O-ring (pressure resistance ≥0.3MPa).

[0032] High-pressure spray cleaning

[0033] Clean water (or cleaning agent) is injected into the tank 13 through the liquid inlet assembly 14. The adjustable pump of the spray assembly 15 (output pressure 0.2-0.5MPa) is started. The water flows through the liquid extraction pipe and the liquid outlet pipe into the rectangular shell 5 and sprays out in a fan shape from the four circular holes 6 (spray angle 60°-90°) to evenly wash the inner wall of the machine body 1 and the stirring components.

[0034] The cleaning waste liquid is discharged through the drain port at the bottom of the machine body 1. The first cleaning takes 5-8 minutes and removes most of the residual material on the surface.

[0035] Stirring enhances cleaning

[0036] After the second cleaning, retain the waste liquid (at this time, the solid content of the waste liquid is <0.1%), raise the spraying assembly 15 and temporarily seal the round hole 6 on the cover plate 9 with a sealing block;

[0037] Start the stirring assembly 3, and the motor 4 drives the fan blade 7 to rotate at a speed of 12r / min, so that the water body generates a composite axial and radial flow field. After 30 seconds, a stable turbulent flow is formed, which continuously scours the inner wall and can effectively remove stubborn deposits from the inner wall of the machine body 1. After stirring for 5 minutes, the waste liquid is discharged.

[0038] Repairing dead corners

[0039] Reconnect the spraying assembly 15 to the rectangular shell 5, spray water at a pressure of 0.3MPa for 1-2 minutes to rinse away any material that may remain inside the rectangular shell 5, and finally discharge the waste liquid after testing that the TOC is ≤10ppm;

[0040] The telescopic cylinder 12 described in the text is driven by an electric push rod (positioning accuracy ±1mm), and consists of a servo motor, a ball screw, and a displacement sensor. Its working principle is similar to that of a conventional electric actuator and will not be elaborated here. One end of the cylinder 8 is fixedly connected to a rectangular block, while the other end of the rectangular block extends into the rectangular shell 5, slidingly engaging with the inner wall of the rectangular shell 5 (gap ≤0.5mm). This ensures that when the cylinder 8 rotates synchronously with the rectangular shell 5, material cannot enter the rectangular shell 5 through the gap. The fan blade 7 described in the text adopts a four-blade, 30° inclined paddle structure, generating a radial flow velocity of 2-3m / s within the cylinder during rotation, with a Reynolds number Re≥1.5×10⁴, producing 8-10 N / cm² on the inner wall. 2 The powerful flushing action, combined with 5 minutes of stirring, can increase the removal rate of sticky residues to 99%.

[0041] To improve the stability of equipment operation, in this embodiment, several telescopic cylinders 12 are set and symmetrically distributed. Specifically, four telescopic cylinders 12 are evenly distributed between the cover plate 9 and the box body 13 (the number can be adjusted to 2 or 6 according to the equipment specifications), and are arranged symmetrically at 90° with the central axis of the machine body 1 as the reference. This layout can ensure that the box body 13 is subjected to uniform force when it is raised and lowered (the load deviation of each cylinder is ≤5%), avoid the misalignment of the spraying component 15 and the rectangular shell 5 due to the force on one side (the misalignment is ≤0.3mm), and at the same time reduce the lateral torque during the telescopic process (torque fluctuation is ≤10N·m), so that the docking accuracy of the liquid outlet pipe of the spraying component 15 and the rectangular shell 5 is improved to ±0.1mm, ensuring the sealing reliability and smooth operation during cleaning.

[0042] To facilitate precise operation of the equipment and simultaneous control of several telescopic cylinders 12, a controller 16 is installed on the outer wall of the housing 13 in this embodiment. The controller 16 establishes a data connection with the adjustable pump body of the spray assembly 15 via an RS-485 communication bus to achieve stepless adjustment of water pressure from 0.1 to 0.5 MPa. At the same time, a PWM pulse signal is used to synchronously control the electric push rods of all telescopic cylinders 12 (response delay ≤ 50 ms), ensuring that multiple cylinders rise and fall synchronously at the same speed (0.5-2 cm / s) with a displacement deviation ≤ 0.2 mm. Through integrated electronic control design, the operator can start the "cleaning program" with one click on the touch screen. The controller 16 executes actions such as cylinder descent, spray cleaning, and cylinder rise in sequence according to preset logic, avoiding errors from manual step-by-step operation and improving the automation level and ease of operation of the equipment.

[0043] To facilitate real-time observation of the liquid level and cleaning fluid status inside the tank 13, this embodiment features an observation window 17 embedded in the front of the tank 13. This observation window 17 is made of tempered glass with a thickness of 5-8mm and is fixed to the groove on the front of the tank 13 using silicone sealant (the sealant has a tensile strength ≥1.5MPa). The glass surface is coated with an anti-fog film (fog ≤1%) to prevent water vapor condensation from affecting visibility during cleaning. The visible area of ​​the observation window 17 is ≥200mm × 150mm, with rounded edges (radius 3-5mm) to ensure both mechanical strength and ease of cleaning. Operators can visually confirm the cleaning fluid level, impurity sedimentation, and operating status of the spray assembly 15 inside the tank 13 through the observation window 17, providing a visual basis for equipment operation and maintenance.

[0044] To improve the overall stability of the equipment, in this embodiment, several support bases 2 are arranged symmetrically. Specifically, the support bases 2 are evenly distributed around the conical axis of the body 1 (usually four are set, spaced at 90° intervals). Each support base 2 has a non-slip rubber pad at its bottom (5mm thick, Shore hardness 60±5A), with a contact area with the ground ≥100cm². 2 This ensures that the equipment's level deviation is ≤0.5°. The symmetrical structure can evenly bear the weight of the machine body 1 and the internal materials (load-bearing error ≤3%), avoiding equipment tilting caused by unilateral force, while enhancing vibration resistance (amplitude ≤0.05mm). Especially when the stirring component 3 is running at high speed, it can effectively reduce the shaking amplitude of the machine body 1, ensuring the stable operation of the drying and cleaning processes.

[0045] To improve the structural strength and durability of the support base 2, in this embodiment, the support base 2 is made of 304 stainless steel (tensile strength ≥520MPa, yield strength ≥205MPa). This material is processed by cold pressing and the surface is mirror polished (roughness Ra≤0.8μm). It not only has excellent corrosion resistance (no rust after ≥1000 hours of salt spray test) but can also withstand a vertical load of ≥2000kg (safety factor ≥2.5). The cross-section of the support base 2 is designed as an I-shaped structure with a web thickness ≥8mm and a flange width ≥100mm. The weld to the bottom of the body 1 adopts a continuous full welding process (weld height ≥6mm). Non-destructive testing is performed to ensure the connection strength, which can effectively resist the vibration load during the operation of the dryer and keep the equipment in a stable support state during long-term use.

[0046] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A single cone dryer with a cleaning mechanism, comprising a body (1), a support base (2), a stirring assembly (3), a cover plate (9), and a water supply mechanism (11), characterized in that: The support base (2) is located at the bottom of the machine body (1), and there are several support bases (2). The stirring assembly (3) includes a motor (4), a rectangular shell (5), a round hole (6), a fan blade (7), a cylinder (8), and a rectangular block. The motor (4) is located at the bottom of the machine body (1), and the output end of the motor (4) is connected to the rectangular shell (5). The round hole (6) is opened on all four sides of the rectangular shell (5), and the round hole (6) communicates with the interior of the rectangular shell (5). The fan blade (7) is located on all four sides of the rectangular shell (5), and there are several round holes (6) and several fan blades (7). One end of the cylinder (8) is connected to... The rectangular blocks are connected, with one end of the rectangular block extending into the rectangular shell (5), and the other end of the cylinder (8) extending out of the rectangular shell (5). A through hole (10) is provided in the center of the cover plate (9), and the through hole (10) matches the cylinder (8). The water supply mechanism (11) includes a box body (13), a liquid inlet assembly (14), a telescopic cylinder (12), and a liquid spraying assembly (15). The box body (13) is connected to the top of the cover plate (9) through the telescopic cylinder (12). The liquid inlet assembly (14) is located at the top center of the box body (13), and the liquid spraying assembly (15) is located at the bottom center of the box body (13).

2. The single-cone dryer with a cleaning mechanism according to claim 1, characterized in that: The telescopic cylinder (12) is provided in several units, and the several telescopic cylinders (12) are arranged symmetrically.

3. The single-cone dryer with a cleaning mechanism according to claim 2, characterized in that: A controller (16) is provided on one side of the housing (13). The controller (16) is electrically connected to the liquid spraying assembly (15) and to several telescopic cylinders (12).

4. The single-cone dryer with a cleaning mechanism according to claim 3, characterized in that: The front of the box (13) is provided with an observation window (17), which is embedded in the front of the box (13).

5. The single-cone dryer with a cleaning mechanism according to claim 4, characterized in that: Several of the aforementioned support bases (2) are symmetrically arranged.

6. The single-cone dryer with a cleaning mechanism according to claim 5, characterized in that: The support base (2) is made of stainless steel.

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