Cleaning system for screw extrusion dehydrator
By designing a cleaning system for spiral extrusion dewatering machines, spray cleaning technology is used to solve the problem of screen clogging to ensure the optimal performance of the equipment and water discharge effect.
Patent Information
- Application Number
- CN202421290967.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-07
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-07
AI Technical Summary
The spiral extrusion dehydrator is prone to clogging of screen during use, affecting the water discharge effect of the equipment.
A cleaning system is designed, including multiple sets of pagoda inner wire elbows, fan nozzles, connecting pipes, variable diameter pagoda tees and pagoda inner wires. The cleaning water is sprayed on the pressing filter through the pipeline booster pump to flush the oil and residue in the inner wall of the dewatering machine and the filter gaps.
Effectively prevent the equipment from being dehydrated due to the clogging of the filter holes due to the extrusion material, ensure that the equipment performance reaches the best state, and facilitate maintenance and maintenance.
Smart Images

Figure CN222610527U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of screw extrusion dehydrators, in particular to a cleaning system for screw extrusion dehydrators. Background Art
[0002] The spiral extrusion dehydrator is used in many fields such as beer grains, vegetable residues, tea residues and medicine residues, especially in the treatment of kitchen waste. It has good dehydration effect, relatively small power and low power consumption. Its working principle is that the material is evenly added from the feed box, and the material after entering the machine moves forward along the axial direction under the push of the spiral blades. During the forward movement, the material is affected by the changing pitch, forming a huge extrusion force, so that the material is mechanically dehydrated under the action of external force, and the water is discharged through the water outlet of the screen, and the dehydrated material is discharged at the discharge box.
[0003] However, the material extruded by the screw forms a spiral shape inside, and the material squeezes the screen, which can easily cause the screen to be blocked and affect the water output effect of the equipment. Utility Model Content
[0004] The purpose of the utility model is to solve the technical problems mentioned in the above background technology and to propose a cleaning system for a screw extrusion dehydrator.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A cleaning system for a screw extrusion dehydrator comprises a dehydrator body, on which a cleaning assembly is arranged, the cleaning assembly comprising a plurality of groups of pagoda internal thread elbows, fan-shaped nozzles, connecting pipes, reducing pagoda tees and pagoda internal thread straight-throughs, adjacent connecting pipes are connected via reducing pagoda tees, the free end of the connecting pipe is connected to the pagoda internal thread elbow, the free end of the reducing pagoda tee is connected to the pagoda internal thread straight-through, the free ends of the pagoda internal thread elbow and the pagoda internal thread straight-through are connected to the fan-shaped nozzle, the connecting pipe is connected to a water inlet pipe, the water inlet pipe is connected to the water delivery end of a pipeline booster pump, the water inlet end of the pipeline booster pump is connected to a municipal tap water pipe, the fan-shaped nozzle runs through the shell portion of the dehydrator body, and the bottom side of the dehydrator body is connected to a drain outlet.
[0007] As a further description of the above technical solution:
[0008] The cleaning component also includes a pagoda tee, wherein a group of the connecting pipes includes two sections of pipes, the two sections of pipes are connected by a pagoda tee, and the free end of the pagoda tee is connected to the water inlet pipe.
[0009] As a further description of the above technical solution:
[0010] At least four groups of cleaning components are arranged and are evenly distributed on the outside of the main shell of the dehydrator.
[0011] As a further description of the above technical solution:
[0012] The water delivery end of the pipeline increasing pump is connected to the water inlet pipe in four ways.
[0013] As a further description of the above technical solution:
[0014] The dehydrator body is installed on a frame, and a feed port and a slag discharge port are arranged at both ends of the dehydrator body respectively. A pressing filter located between the feed port and the slag discharge port is fixedly connected inside the dehydrator body, and a variable diameter spiral main shaft adapted to the pressing filter is rotatably installed inside the dehydrator body.
[0015] As a further description of the above technical solution:
[0016] The connecting pipe and the water inlet pipe are made of pressure-resistant steel wire hose.
[0017] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:
[0018] 1. In the utility model, the idling operation equipment discharges the residue in the pressing chamber, and at the same time, the pipeline booster pump is turned on to spray the cleaning water on the pressing filter through the fan-shaped nozzle to wash the oil and residue in the inner wall of the dehydrator body and the gap of the filter, so as to prevent the dehydration effect of the equipment from being affected by the clogging of the filter holes by the extruded material, ensure the equipment performance to reach the best state, and facilitate the production management personnel to maintain and service the equipment.
[0019] 2. In the present invention, at least four groups of cleaning components are arranged, evenly distributed on the outside of the shell of the dehydrator body 1, and the water delivery end of the pipeline-added pump is connected to the water inlet pipe in four ways, thereby expanding the cleaning range of the dehydrator body and the filter and improving the cleaning effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 A schematic front view of a cleaning system for a screw extrusion dehydrator provided according to an embodiment of the utility model is shown;
[0021] Figure 2 A schematic side view of a cleaning system for a screw extrusion dehydrator provided according to an embodiment of the utility model is shown;
[0022] Figure 3 A schematic diagram of the three-dimensional structure of a cleaning system for a screw extrusion dehydrator provided according to an embodiment of the utility model is shown;
[0023] Figure 4 A front view schematic diagram of a cleaning component provided according to an embodiment of the utility model is shown.
[0024] Legend:
[0025] 1. Dehydrator body; 2. Pressing filter; 3. Cleaning assembly; 31. Pagoda internal thread elbow; 32. Fan-shaped nozzle; 33. Connecting pipe; 34. Variable diameter pagoda tee; 35. Pagoda internal thread straight pass; 36. Pagoda tee; 4. Variable diameter spiral main shaft; 5. Feed inlet; 6. Slag discharge outlet; 7. Frame; 8. Drain outlet; 9. Water inlet pipe. DETAILED DESCRIPTION
[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0027] See also Figure 1-4 The utility model provides a technical solution: a cleaning system for a screw extrusion dehydrator, comprising a dehydrator body 1, the dehydrator body 1 is mounted on a frame 7, a feed port 5 and a slag discharge port 6 are arranged at both ends of the dehydrator body 1, a pressing filter 2 located between the feed port 5 and the slag discharge port 6 is fixedly connected inside the dehydrator body 1, a variable diameter spiral main shaft 4 adapted to the pressing filter 2 is rotatably installed inside the dehydrator body 1, and a drain port 8 is connected to the bottom side of the dehydrator body 1. The material is evenly added from the feed port 5, and moves forward axially under the push of the variable diameter spiral main shaft 4. During the forward movement, the material is affected by the changing pitch, forming a huge extrusion force, so that the material is mechanically dehydrated under the action of external force, and the water is discharged through the pressing filter 4 and the drain port 8, and the dehydrated material is discharged at the slag discharge port 6.
[0028] Specifically, Figure 4As shown, a cleaning assembly 3 is arranged on the dehydrator body 1, and the cleaning assembly 3 includes a plurality of groups of pagoda internal thread elbows 31, fan-shaped nozzles 32, connecting pipes 33, reducing pagoda tees 34, pagoda internal thread straight-throughs 35 and pagoda tees 36. The connecting pipes 33 and the water inlet pipe 9 are made of pressure-resistant steel wire hoses. Adjacent connecting pipes 33 are connected through reducing pagoda tees 34. The free ends of the connecting pipes 33 are connected to the pagoda internal thread elbows 31, and the free ends of the reducing pagoda tees 34 are connected to the pagoda internal thread elbows 31. It is connected with a pagoda internal thread straight through 35, and the free ends of the pagoda internal thread elbow 31 and the pagoda internal thread straight through 35 are connected with a fan-shaped nozzle 32, wherein a group of connecting pipes 33 includes two sections of pipes, and the two sections of pipes are connected by a pagoda tee 36, and the free end of the pagoda tee 36 is connected to the water inlet pipe 9, and the water inlet pipe 9 is connected to the water delivery end of the pipeline booster pump, and the water inlet end of the pipeline booster pump is connected to the municipal tap water pipe, and the fan-shaped nozzle 32 runs through the shell part of the dehydrator body 1. Under the boosting effect of the pipeline booster pump, the cleaning water is sent to the fan-shaped nozzle 32 through the water inlet pipe 9, the pagoda tee 36, the reducing pagoda tee 34, the pagoda internal thread elbow 31, and the pagoda internal thread straight 35, and is sprayed on the pressing filter 4 through the fan-shaped nozzle 32. The spraying range of the fan-shaped nozzle 32 is 110°, and the spraying range is large, which can flush the oil and residue in the inner wall of the dehydrator body 1 and the filter gap, prevent the extruded material from clogging the filter holes and affecting the dehydration effect of the equipment, and facilitate production management personnel to maintain and maintain the equipment.
[0029] Specifically, Figure 3 As shown, at least four cleaning components 3 are provided, evenly distributed on the outside of the shell of the dehydrator body 1, and the water delivery end of the pipeline increase pump is connected to the water inlet pipe 9 in four ways to expand the cleaning range of the dehydrator body and the filter.
[0030] Working principle: During use, in one operation cycle, the material is evenly added from the feed port 5, and is pushed forward axially by the variable diameter spiral main shaft 4. During the forward movement, the material is affected by the changing pitch, forming a huge extrusion force, so that the material is mechanically dehydrated under the action of external force, and the water is discharged through the squeezing filter 4 and the drain port 8, and the dehydrated material is discharged at the slag discharge port 6;
[0031] Before shutting down at the end of the operation cycle, run the machine idle for 30 minutes to discharge the residue in the pressing chamber, and at the same time start the pipeline booster pump. Under the boosting effect of the pipeline booster pump, the cleaning water is sent to the fan-shaped nozzle 32 through the water inlet pipe 9, the pagoda tee 36, the reducing pagoda tee 34, the pagoda internal thread elbow 31, and the pagoda internal thread straight 35, and sprayed on the pressing filter 4 through the fan-shaped nozzle 32. The spraying range of the fan-shaped nozzle 32 is 110°, and the spraying range is large, which can flush the oil and residue in the inner wall of the dehydrator body 1 and the filter gap, prevent the extruded material from clogging the filter holes and affecting the dehydration effect of the equipment, ensure that the equipment performance reaches the best state, and facilitate production management personnel to maintain and maintain the equipment.
[0032] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A cleaning system for a screw extrusion dehydrator, comprising a dehydrator body (1), characterized in that: The dehydrator body (1) is provided with a cleaning assembly (3), which comprises a plurality of groups of pagoda internal thread elbows (31), fan-shaped nozzles (32), connecting pipes (33), reducing pagoda tees (34) and pagoda internal thread straight-throughs (35), adjacent connecting pipes (33) are connected via reducing pagoda tees (34), the free ends of the connecting pipes (33) are connected to the pagoda internal thread elbows (31), and the free ends of the reducing pagoda tees (34) are connected to the pagoda internal thread straight-throughs (35). There is a pagoda internal thread straight through (35), the pagoda internal thread elbow (31) and the free end of the pagoda internal thread straight through (35) are connected with a fan-shaped nozzle (32), the connecting pipe (33) is connected with a water inlet pipe (9), the water inlet pipe (9) is connected to the water delivery end of the pipeline booster pump, the water inlet end of the pipeline booster pump is connected to the municipal tap water pipe, the fan-shaped nozzle (32) passes through the shell part of the dehydrator body (1), and the bottom side of the dehydrator body (1) is connected with a drain outlet (8).
2. A cleaning system for a screw extrusion dehydrator according to claim 1, characterized in that: The cleaning assembly (3) further comprises a pagoda tee (36), wherein one group of the connecting pipes (33) comprises two sections of pipes, the two sections of pipes are connected via the pagoda tee (36), and the free end of the pagoda tee (36) is connected to the water inlet pipe (9).
3. A cleaning system for a screw extrusion dehydrator according to claim 2, characterized in that: The cleaning components (3) are provided in at least four groups and are evenly distributed on the outside of the shell of the dehydrator main body (1).
4. A cleaning system for a screw extrusion dehydrator according to claim 3, characterized in that: The water delivery end of the pipeline increasing pump is connected to the water inlet pipe (9) in four ways.
5. A cleaning system for a screw extrusion dehydrator according to claim 1, characterized in that: The dehydrator body (1) is mounted on a frame (7), and a feed inlet (5) and a slag discharge outlet (6) are arranged at both ends of the dehydrator body (1). A pressing filter screen (2) located between the feed inlet (5) and the slag discharge outlet (6) is fixedly connected inside the dehydrator body (1), and a variable diameter spiral main shaft (4) adapted to the pressing filter screen (2) is rotatably mounted inside the dehydrator body (1).
6. A cleaning system for a screw extrusion dehydrator according to claim 1, characterized in that: The connecting pipe (33) and the water inlet pipe (9) are made of pressure-resistant steel wire hoses.