Cleaning nozzle
By designing cleaning nozzles that utilize compressed air and water vapor to form atomized water, the problem of material blockage caused by scale buildup on the roller surface is solved, achieving efficient cleaning of the roller surface, reducing downtime risks, and ensuring production continuity.
Patent Information
- Application Number
- CN202520177520.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-27
- Publication Date
- 2026-01-23
- Estimated Expiration
- 2035-01-27
AI Technical Summary
Scale buildup on the surface of the pressure rollers reduces the set gap, making it difficult for materials to pass through, causing blockages and resulting in material shortages and machine shutdowns.
Design a cleaning nozzle that uses compressed air, water and steam to form atomized water, which is sprayed onto the surface of the pressure roller. The flow of the medium is controlled by an elastic component to achieve effective cleaning of the pressure roller surface.
It effectively removes scale buildup on the surface of the pressure roller, reduces downtime, improves cleaning efficiency, and prevents a decline in the quality of the filaments.
Smart Images
Figure CN223818883U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cleaning equipment technology, and in particular to a cleaning nozzle. Background Technology
[0002] A stem press is a process equipment used in the tobacco processing production line. Stems are vibrated and conveyed through a feeding trough, then evenly fed into the two pressure rollers of the press. The two rollers are driven by a pair of reducers to rotate in opposite directions, with a set gap between them. Under the pressure of the rollers, the stems are pressed into stem sheets, which are then conveyed to the stem-cutting process to be processed into stem shreds. During production, if the accumulated dirt on the surface of the rollers is not cleaned in time, the set gap will be too small, making it difficult for all the material to pass through. This will cause material to accumulate on the rollers, forming a blockage, requiring manual unblocking, and resulting in a material shortage and machine shutdown. Utility Model Content
[0003] The purpose of this invention is to solve the technical problem of machine downtime caused by scale buildup on the surface of pressure rollers. This invention provides a cleaning nozzle that can atomize compressed air, water, and steam into water, which is then sprayed onto the surface of the pressure rollers to effectively remove scale buildup and reduce downtime caused by scale buildup.
[0004] To solve the above-mentioned technical problems, an embodiment of this utility model discloses a cleaning nozzle, comprising:
[0005] The connector has a first hole and a second hole that are connected inside. The diameter of the second hole is larger than the diameter of the first hole. There is a first stepped surface between the first hole and the second hole. The connector has a liquid inlet, an air inlet and a steam inlet that are connected to the first hole. The end of the second hole is a discharge port and the first stepped surface faces the discharge port.
[0006] The nozzle is connected to the discharge port. The nozzle has a third orifice and a variable diameter hole inside. The diameter of the third orifice is larger than the maximum diameter of the variable diameter hole. There is a second step surface between the third orifice and the variable diameter hole. The second step surface is opposite to the first step surface. The third orifice and the second orifice are connected.
[0007] An elastic component is disposed between the first step surface and the second step surface. One end of the elastic component abuts against the second step surface, and the other end of the elastic component can apply a force to the end of the first hole facing the discharge port to block the first hole.
[0008] Using the above technical solution, when compressed air, water, and steam flow into the connector, on the one hand, the pressure of the compressed air can atomize the water into small molecule form. Compared with large molecule water, atomized water can improve the ability to wet and penetrate the dirt on the surface of the pressure roller. On the other hand, the combined force of compressed air and water can also apply a reverse force to the elastic component, so that the first hole and the second hole are connected, thereby allowing the atomized water to enter the third hole and the variable diameter hole and spray out from the variable diameter hole to clean the dirt on the surface of the pressure roller, thereby reducing the phenomenon of downtime caused by dirt accumulation on the surface of the pressure roller.
[0009] Optionally, the resilient component includes:
[0010] The elastic element has its first end abutting against the second step surface;
[0011] A sealing element is disposed in the second hole. The second end of the elastic element contacts the sealing element and applies a force toward the first hole to the sealing element.
[0012] Optionally, the elastic element is a compression spring, and the sealing element is a ball.
[0013] Optionally, the resilient component also includes:
[0014] An annular gasket is provided at the first step surface. The annular gasket has an opening that is connected to the second hole. The outer diameter of the annular gasket is larger than the diameter of the first hole and smaller than the diameter of the second hole. The diameter of the opening is smaller than the diameter of the sealing member. An elastic member is used to apply a force toward the annular gasket to the sealing member so that the sealing member seals the opening.
[0015] Optionally, along the fluid flow direction, the variable diameter orifice includes a first conical orifice, a through orifice, and a second conical orifice that are connected. The diameter of the first conical orifice gradually decreases along the fluid flow direction, and the diameter of the second conical orifice gradually increases along the fluid flow direction. The diameter of the through orifice is less than or equal to the minimum diameter of the first conical orifice and the minimum diameter of the second conical orifice.
[0016] Optionally, the diameter of the through hole is 3 mm.
[0017] Optionally, the air pressure introduced through the air inlet is 0.6 MPa, and the liquid pressure introduced through the liquid inlet is 0.3 MPa.
[0018] Optionally, the nozzle is at least partially inserted into the second hole, the outer wall of the nozzle is provided with external threads, the inside of the second hole is provided with internal threads, and the second hole and the nozzle are threadedly connected.
[0019] Optionally, both the connectors and the nozzles are made of stainless steel. Attached Figure Description
[0020] Figure 1This diagram shows the structure of the cleaning nozzle in an embodiment of the present invention.
[0021] Figure 2 A cross-sectional view of the connector in an embodiment of this utility model is shown;
[0022] Figure 3 A cross-sectional view of the nozzle in an embodiment of the present invention is shown;
[0023] Figure 4 Show Figure 1 A sectional view;
[0024] Figure 5 An explosion diagram of the cleaning nozzle in an embodiment of this utility model is shown;
[0025] Figure 6 Show Figure 4 A magnified view of part A in the middle. Figure 1 ;
[0026] Figure 7 Show Figure 4 A magnified view of part A in the middle. Figure 2 .
[0027] Reference numerals: 1. Connector, 2. First bore, 3. Second bore, 4. First stepped surface, 5. Liquid inlet, 6. Air inlet, 7. Steam inlet, 8. Discharge outlet, 9. Nozzle, 10. Third bore, 11. Variable diameter hole, 12. Second stepped surface, 13. Elastic component, 14. Elastic element, 15. Sealing component, 16. Annular gasket, 17. Opening, 18. First conical hole, 19. Through hole, 20. Second conical hole, 21. External thread. Detailed Implementation
[0028] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Although the description of this utility model will be presented in conjunction with preferred embodiments, this does not mean that the features of this utility model are limited to this embodiment. On the contrary, the purpose of describing the utility model in conjunction with the embodiments is to cover other options or modifications that may be derived based on the claims of this utility model. To provide a deep understanding of this utility model, many specific details will be included in the following description. This utility model may also be implemented without using these details. Furthermore, to avoid confusion or obscuring the focus of this utility model, some specific details will be omitted in the description. It should be noted that, without conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.
[0029] It should be noted that in this specification, similar reference numerals and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.
[0030] In the description of this embodiment, it should be noted that the terms "upper", "lower", "inner", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship that the utility model product is usually placed in during use. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the utility model.
[0031] The terms “first”, “second”, etc., are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.
[0032] In the description of this embodiment, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set up," "connected," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this embodiment based on the specific circumstances.
[0033] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.
[0034] like Figures 1 to 5 As shown, an embodiment of the present invention discloses a cleaning nozzle, including a connector 1, a nozzle 9, and an elastic component 13.
[0035] Among them, reference Figure 1 and Figure 2 The connector 1 has a first hole 2 and a second hole 3 that are connected inside. The diameter of the second hole 3 is (e.g., Figure 2 The diameter of the middle dimension L2 (as shown) is larger than the diameter of the first hole 2 (as shown). Figure 2As shown in the middle dimension L1), a first stepped surface 4 is provided between the first orifice 2 and the second orifice 3. The connector 1 is provided with a liquid inlet 5, an air inlet 6, and a steam inlet 7 that are directly or indirectly connected to the first orifice 2. The end of the second orifice 3 is a discharge port 8, and the first stepped surface 4 faces the discharge port 8. For example, the first orifice 2 and the second orifice 3 together form a channel that penetrates the connector 1. Room temperature water, compressed air, and high temperature steam enter the first orifice 2 from the liquid inlet 5, the air inlet 6, and the steam inlet 7, respectively. The room temperature water forms atomized water (small molecule water) under the pressure of the compressed air. The atomized water and the high temperature steam are fully mixed to form a mixture, which then flows out from the discharge port 8. For example, in specific implementation, a four-way connector can be used as the liquid inlet 5, air inlet 6, and steam inlet 7. Three ports of the four-way connector are respectively connected to a normal temperature water source, a compressed air source, and a high-temperature steam source, while the other port of the four-way connector is connected to the first orifice 2, thereby enabling the flow of the three media to the connector 1. For example, all three ports of the four-way connector can be connected to the normal temperature water source, compressed air source, and high-temperature steam source via pipes, and each pipe can be equipped with a control valve to control the opening and closing of each pipe.
[0036] refer to Figure 3 and Figure 5 The nozzle 9 is connected to the discharge port 8. The nozzle 9 has a connected third orifice 10 and a variable diameter orifice 11 inside. The diameter of the third orifice 10 (e.g., ...) Figure 3 The diameter of the intermediate dimension L3 (as shown) is larger than the maximum diameter of the variable diameter hole 11 (as shown). Figure 2 As shown in the middle dimension L4, a second stepped surface 12 is provided between the third orifice 10 and the variable diameter orifice 11. The second stepped surface 12 is arranged opposite to the first stepped surface 4, and the third orifice 10 is connected to the second orifice 3. Specifically, the third orifice 10 is a through hole. The mixture of water vapor flows out from the discharge port 8 and enters the third orifice 10. After being accelerated by the variable diameter orifice 11, it is ejected from the variable diameter orifice 11 to clean the surface of the pressure roller.
[0037] refer to Figure 4 and Figure 5 The elastic component 13 is disposed between the first step surface 4 and the second step surface 12. The two ends of the elastic component 13 are the abutting end and the sealing end, respectively. The abutting end of the elastic component 13 abuts against the second step surface 12. The sealing end of the elastic component 13 can press against the first step surface 4 without any other external force, so as to apply force to the opening of the first hole 2 facing the discharge port 8, thereby sealing the first hole 2.
[0038] Using the above technical solution, when compressed air, water, and steam flow into the connector 1, on the one hand, the pressure of the compressed air can atomize the water into small molecule form. Compared with large molecule water, atomized water can improve the ability to wet and penetrate the dirt on the surface of the pressure roller. On the other hand, the combined force of compressed air and water can also apply a reverse force to the elastic component 13, causing the elastic component 13 to undergo elastic deformation. When the elastic component 13 undergoes elastic deformation, its sealing end moves away from the first hole 2, thereby opening the opening at the end of the first hole 2, releasing the sealing end from the first hole 2, connecting the first hole 2 with the second hole 3, and allowing the atomized water to enter the third hole 10 and the variable diameter hole 11 and spray out from the variable diameter hole 11 to clean the dirt on the surface of the pressure roller, thereby reducing the occurrence of downtime caused by dirt accumulation on the surface of the pressure roller. When the compressed air is turned off, the elastic component 13 automatically resets due to the loss of compressed air pressure. That is, the sealing end of the elastic component 13 presses against the opening at the end of the first hole 2 again, continuing to seal the first hole 2. At this time, the first hole 2 and the second hole 3 are not connected, and the atomized water cannot be sprayed out from the second end of the nozzle 9. That is, the nozzle is closed, which can prevent the nozzle from dripping water when cleaning is not required, thus preventing the problem of the filament quality from deteriorating.
[0039] Further, refer to Figure 4 and Figure 5 The elastic component 13 includes an elastic element 14 and a sealing element 15, with the sealing end of the elastic component 13 located on the end face of the sealing element 15. The first end of the elastic element 14 abuts against the second stepped surface 12. The sealing element 15 is disposed within the second hole 3, and the second end of the elastic element 14 contacts the sealing element 15, applying a force toward the first hole 2 to seal the end of the first hole 2 facing the second hole 3.
[0040] For example, the elastic element 14 is a compression spring, and the sealing element 15 is a ball. Under the pressure of the compression spring, the ball can press against the end of the first hole 2 facing the second hole 3, thereby sealing the first hole 2 and thus preventing the flow of fluid.
[0041] Optionally, refer to Figure 4 , Figure 5 , Figure 6 and Figure 7 The elastic component 13 also includes an annular gasket 16, disposed at the first stepped surface 4, with an opening 17 on the annular gasket 16. Specifically, the opening 17 is circular and communicates with the second orifice 3, allowing atomized water to enter the nozzle 9 through the opening 17. Further, the outer diameter of the annular gasket 16 (e.g., ...) Figure 6 The diameter of the middle dimension L5 (as shown) is larger than the diameter of the first hole 2 (as shown). Figure 2 and Figure 7(as shown in the middle dimension L1) and smaller than the diameter of the second hole 3 (as shown in the middle dimension L1) Figure 2 and Figure 7 As shown in the middle dimension L2), so that the annular gasket 16 can be placed in the second hole 3, and under the pressure of the elastic member 14, the annular gasket 16 will not fall into the first hole 2 and cause blockage of the first hole 2. The diameter of the opening 17 (as shown in the middle dimension L2) is such that the annular gasket 16 can be placed in the second hole 3, and under the pressure of the elastic member 14, the annular gasket 16 will not fall into the first hole 2 and cause blockage of the first hole 2. Figure 6 The diameter of the medium dimension L6 (as shown) is smaller than the diameter of the sealing component 15 (e.g., Figure 6 As shown in the middle dimension L7, the sealing element 15 is prevented from entering the first hole 2 through the opening 17 and causing blockage of the first hole 2. The elastic element 14 is used to apply a force toward the annular gasket 16 to the sealing element 15 so that the sealing element 15 seals the opening 17. In this configuration, under the pressure of the elastic element 14, the sealing element 15 directly contacts the opening 17, rather than directly contacting the first stepped surface 4, thereby avoiding damage to the connector 1 caused by repeated impacts of the sealing element 15 into the first hole 2.
[0042] Alternatively, in some implementations, such as Figure 3 As shown, along the direction of fluid flow (e.g.) Figure 3 and Figure 4 (As shown in the X direction), the variable diameter orifice 11 includes a first conical orifice 18, a through-hole 19, and a second conical orifice 20 that are connected. The diameter of the first conical orifice 18 gradually decreases along the fluid flow direction, while the diameter of the second conical orifice 20 gradually increases along the fluid flow direction. The diameter of the through-hole 19 is less than or equal to the minimum diameter of both the first conical orifice 18 and the second conical orifice 20. In this embodiment, the diameter of the through-hole 19 is 3 mm. In other embodiments, the diameter of the through-hole can be set according to actual conditions.
[0043] Using the above technical solution, when the atomized water passes through the first conical orifice 18, the diameter of the first conical orifice 18 gradually decreases along the fluid flow direction. Therefore, the cross-sectional area of the fluid flow gradually decreases, and the fluid velocity increases under a constant flow rate. This increases the flow velocity of the atomized water, thereby providing impact force and improving the cleaning effect. When the atomized water passes through the through-hole 19, since the diameter of the through-hole 19 remains unchanged, the cross-sectional area of the fluid flow remains unchanged, and the fluid velocity remains unchanged, allowing for relatively stable flow. When the atomized water passes through the second conical orifice 20, since the diameter of the second conical orifice 20 gradually increases along the fluid flow direction, the spray area of the atomized water increases, thereby increasing the single-pass cleaning area and improving the nozzle cleaning efficiency.
[0044] Those skilled in the art will understand that in other embodiments, the variable diameter hole 11 may not have a through hole 9, that is, the first conical hole 18 and the second conical hole 20 are directly connected, which can also achieve the effect of accelerating the atomized water and increasing the spray area.
[0045] Optionally, the air pressure introduced through the air inlet 6 is 0.6 MPa, the liquid pressure introduced through the liquid inlet 5 is 0.3 MPa, and the spring constant is 0.53 kgf / mm. Through numerous experiments, the inventors discovered that when the compressed air pressure is 0.6 MPa, the liquid pressure is 0.3 MPa, and the spring constant is 0.53 kgf / mm, the combined force of the compressed air and room-temperature water is just enough to compress the spring to a certain length, thus opening the first hole 2. After the combined force of the compressed air and room-temperature water is lost, the spring automatically returns to its original position, thus closing the first hole 2.
[0046] Optionally, such as Figure 1 and Figure 5 As shown, the nozzle 9 is at least partially inserted into the second orifice 3. The outer wall of the nozzle 9 is provided with external threads 21, and the interior of the second orifice 3 is provided with internal threads (not shown in the figure). The second orifice 3 and the nozzle 9 are threadedly connected. The aforementioned detachable method facilitates the disassembly and replacement of the nozzle in case the elastic component 13 is damaged.
[0047] Optionally, both the connector 1 and the nozzle 9 are made of stainless steel, which helps to improve the structural strength and corrosion resistance of the nozzle, thereby increasing its service life.
[0048] Although the present invention has been illustrated and described with reference to certain preferred embodiments, those skilled in the art should understand that the above description is a further detailed explanation of the present invention in conjunction with specific embodiments, and should not be construed as limiting the specific implementation of the present invention to these descriptions. Those skilled in the art can make various changes in form and detail, including some simple deductions or substitutions, without departing from the spirit and scope of the present invention.
Claims
1. A cleaning nozzle, characterized in that, include: The connector has a first hole and a second hole that are connected inside. The diameter of the second hole is larger than the diameter of the first hole. There is a first stepped surface between the first hole and the second hole. The connector has a liquid inlet, an air inlet, and a steam inlet that are connected to the first hole. The end of the second hole is a discharge port. The first stepped surface faces the discharge port. The nozzle is connected to the discharge port. The nozzle has a third orifice and a variable diameter hole inside. The diameter of the third orifice is larger than the maximum diameter of the variable diameter hole. There is a second stepped surface between the third orifice and the variable diameter hole. The second stepped surface is opposite to the first stepped surface. The third orifice is connected to the second orifice. An elastic component is disposed between the first step surface and the second step surface. One end of the elastic component abuts against the second step surface, and the other end of the elastic component can apply a force to the end of the first hole facing the discharge port to block the first hole.
2. The cleaning nozzle as described in claim 1, characterized in that, The elastic component includes: An elastic element, wherein the first end of the elastic element abuts against the second stepped surface; A sealing element is disposed in the second hole, and the second end of the elastic element contacts the sealing element and applies a force toward the first hole to the sealing element.
3. The cleaning nozzle as described in claim 2, characterized in that, The elastic element is a compression spring, and the sealing element is a sphere.
4. The cleaning nozzle as described in claim 3, characterized in that, The resilient component also includes: An annular gasket is disposed at the first stepped surface. The annular gasket has an opening that communicates with the second hole. The outer diameter of the annular gasket is larger than the diameter of the first hole and smaller than the diameter of the second hole. The diameter of the opening is smaller than the diameter of the sealing member. The elastic member is used to apply a force toward the annular gasket to the sealing member so that the sealing member seals the opening.
5. The cleaning nozzle as described in claim 2, characterized in that, Along the fluid flow direction, the variable diameter orifice includes a first conical orifice, a through orifice, and a second conical orifice that are connected. The diameter of the first conical orifice gradually decreases along the fluid flow direction, and the diameter of the second conical orifice gradually increases along the fluid flow direction. The diameter of the through orifice is less than or equal to the minimum diameter of the first conical orifice and the minimum diameter of the second conical orifice.
6. The cleaning nozzle as described in claim 5, characterized in that, The diameter of the through hole is 3mm.
7. The cleaning nozzle as described in claim 3, characterized in that, The air pressure introduced through the air inlet is 0.6 MPa, and the liquid pressure introduced through the liquid inlet is 0.3 MPa.
8. The cleaning nozzle as claimed in claim 1, characterized in that, The nozzle is at least partially inserted into the second hole, the outer wall of the nozzle is provided with external threads, the inside of the second hole is provided with internal threads, and the second hole and the nozzle are threadedly connected.
9. The cleaning nozzle as claimed in claim 1, characterized in that, Both the connector and the nozzle are made of stainless steel.