Multi-dimensional fluidization slurry making nozzle

By designing multi-dimensional fluidized slurry nozzles, using the structure of multiple sets of water jet holes and elastic parts, efficient fluidized medium jetting in multi-dimensional direction is achieved, solving the problems of existing nozzle wear, elastic failure and one-way injection , improves the fluidization effect and is suitable for the discharge and slurry production of warehouses and buffer pools.

CN222311508UActive Publication Date: 2025-01-07JCHX MINING MANAGEMENT
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Patent Information

Application Number
CN202420835675.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-22
Publication Date
2025-01-07
Estimated Expiration
2034-04-22

AI Technical Summary

Technical Problem

The existing fluidized nozzles are prone to wear, have elastic failure during application, have poor unidirectional injection effect, and are not easy to install on the inner wall of the bin for maintenance and replacement, so it is impossible to effectively fluidize the deposits in the large bottom area buffer pool.

Method used

A multi-dimensional fluidized slurry nozzle is designed, including the nozzle body and the valve core. There are multiple sets of water jet holes in the nozzle body extending towards the axial, radial and inclined directions, and the valve core has a conical contact part and The elastic member can realize axial, radial and oblique high-pressure fluidized medium injection.

Benefits of technology

It realizes efficient fluidized medium injection in multi-dimensional direction, overcomes the wear, elastic failure and one-way injection problems of existing nozzles, improves the fluidization effect, and facilitates the discharge and slurry of the silo and buffer pool.

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Abstract

The utility model relates to a multi-dimensional fluidization slurry making nozzle which comprises a nozzle body and a valve element, a cylindrical valve cavity extending towards the two ends of the nozzle body is formed in the nozzle body, and multiple sets of water spraying holes communicated with the cylindrical valve cavity are formed in one end of the nozzle body in a penetrating mode. The multiple sets of first water spraying holes extend in the axial direction, the radial direction and the inclined outward direction of the cylindrical valve cavity, a flow channel coaxially communicated with the cylindrical valve cavity is formed in the other end of the nozzle body, the diameter of the flow channel is smaller than that of the cylindrical valve cavity, and the valve element is a cylindrical component and coaxially arranged in the cylindrical valve cavity. A frustum-shaped valve body contact part is coaxially arranged at the end, close to the flow channel, of the cylindrical valve cavity, an elastic piece is connected between the valve body contact part and one end of the cylindrical valve cavity, and the conical surface of the valve body contact part makes elastic contact with a port in one end of the flow channel. The multi-dimensional high-pressure fluidizing medium spraying device has the advantages of being reasonable in structural design, wide in application, capable of achieving multi-dimensional high-pressure fluidizing medium spraying of direct spraying, vertical scattering and oblique scattering, and capable of achieving a good discharging effect.
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Description

Technical Field

[0001] The utility model relates to the technical field of fluidization of stored materials, in particular to a multi-dimensional fluidization pulping nozzle. Background Art

[0002] Storage silos in many industrial engineering fields contain high-solids, easily sedimentable slurries and powdered materials, such as vertical sand silos in mining backfill systems and cement silos. During storage, these media generate significant compaction and arching stresses at the conical bottom of the silo, making it difficult to discharge them smoothly through the bottom discharge port. To achieve this, high-pressure fluid media such as water or air are typically introduced through nozzles to break down these stresses, fluidizing and loosening them. Alternatively, high-frequency vibration motors and pneumatic air cannons can be used to achieve this goal.

[0003] Existing fluidizing nozzles are mostly mounted on the inner wall of a silo. Most are unidirectional, direct-spray nozzles. Their internal structure often utilizes a rubber sleeve, leveraging its elasticity to act as a one-way valve. During operation, high-pressure fluid acts on the inner wall of the rubber sleeve, causing it to bulge and deform. The fluid then passes through the bulging gap and is ejected through an external outlet. These fluidizing nozzles have several significant drawbacks: First, the rubber sleeve is easily eroded by the high-pressure fluid, causing rapid wear and failure. Second, the rubber sleeve ages and loses its elasticity, leading to failure. Third, the one-way spray action results in poor fluidization. Fourth, mounting the nozzle on the inner wall of a silo makes maintenance and replacement difficult.

[0004] In addition, in many industrial engineering fields, there are flat-bottomed buffer tanks for high-solid content, easily sedimentable slurry media. The easily sedimentable slurry entering the buffer tank will also segregate, sediment, or even compact. When the material in the buffer tank is taken out, the material in the buffer tank loses fluidity due to segregation, sedimentation, or even compaction, and cannot be transferred and applied by gravity or pumping measures. The existing method of fluidizing deposited or even compacted materials is mostly to use high-pressure fluid for local impact. This method is not only time-consuming and labor-intensive, but also has a poor fluidization and slurrying effect for buffer tanks with large bottom areas. The industry has also adopted the method of laying slurry ring pipes and nozzles at the bottom of the buffer tank, and passing high-pressure fluidizing media such as water or air to fluidize it, which has also achieved certain results. However, since the nozzles used are also direct-spraying type, not all sediments at the bottom of the tank can be effectively fluidized.

[0005] In order to solve the above problems, the multi-dimensional fluidized slurrying nozzle mentioned above in the present invention was conceived and designed. After being applied in many projects, the above disadvantages were overcome and good results were achieved. Utility Model Content

[0006] The technical problem to be solved by the utility model is to provide a multi-dimensional fluidized pulping nozzle, which effectively overcomes the defects of the prior art.

[0007] The technical solution of the utility model to solve the above technical problems is as follows:

[0008] A multi-dimensional fluidized pulping nozzle comprises a nozzle body and a valve core, the nozzle body having a cylindrical valve cavity extending toward both ends thereof, one end of the nozzle body being penetrated by a plurality of water spray holes connected with the cylindrical valve cavity, the plurality of water spray holes extending in the axial, radial and oblique outward directions of the cylindrical valve cavity, the other end of the nozzle body being provided with a flow channel coaxially connected with the cylindrical valve cavity, the diameter of the flow channel being smaller than the diameter of the cylindrical valve cavity, the valve core being a cylindrical component and being coaxially arranged in the cylindrical valve cavity, the end thereof close to the flow channel being coaxially provided with a frustum-shaped valve body contact portion, an elastic member being connected between the valve body contact portion and one end of the cylindrical valve cavity, the conical surface of the valve body contact portion being in elastic contact with one end port of the flow channel.

[0009] On the basis of the above technical solution, the present invention can also be improved as follows.

[0010] Furthermore, the elastic member is a spring and is sleeved outside the valve core. The diameter of the contact portion of the valve body is larger than the diameter of the valve core. A step is formed at the connection between the two. One end of the spring is connected and fixed to one end of the cylindrical valve cavity, and the other end is connected and fixed to the step.

[0011] Furthermore, each group of the water spray holes is provided with a plurality of them.

[0012] Furthermore, the above-mentioned water spray holes are provided in three groups, wherein the multiple water spray holes in one group are arranged at one end portion of the above-mentioned nozzle body, extend toward the axial direction of the above-mentioned cylindrical valve cavity, and are spaced apart in the circumferential direction; the multiple water spray holes in another group are arranged on the side wall of one end of the above-mentioned nozzle body, extend along the radial direction of the above-mentioned cylindrical valve cavity, and are spaced apart in the circumferential direction; the multiple water spray holes in the remaining group are arranged on the side wall of one end of the above-mentioned nozzle body near the end portion, and are spaced apart in the circumferential direction, and the water spray holes in the rearranged group all extend obliquely toward the outer side of one end of the above-mentioned nozzle body.

[0013] Furthermore, the nozzle body includes a nozzle member and a valve seat. The nozzle member is a cylindrical member, and the cylindrical first cavity is coaxially provided inside the nozzle member. The water spray hole is provided at one end of the nozzle member, and an annular groove is coaxially provided at the other end of the nozzle member. The inner wall of the annular groove is provided with a thread. The valve seat is a cylindrical member, and the flow channel is coaxially provided therein with both ends passing through it. The outer wall of one end of the valve seat is provided with a thread and is screwed onto the inner wall of the annular groove. An annular cavity is coaxially provided at one end of the valve seat. The annular cavity and the first cavity together constitute the cylindrical valve cavity.

[0014] Furthermore, a first limiting ring is coaxially provided on the outer periphery of the valve seat, and the first limiting ring abuts against the other end portion of the nozzle member.

[0015] Furthermore, a thread is provided on the outer surface of the middle portion of the nozzle member, and a cylindrical screw sleeve is screwed thereon. A second limiting ring is provided on the outer periphery of the other end of the nozzle member, which abuts against the end of the screw sleeve.

[0016] Furthermore, an annular position limiting mounting portion is coaxially provided on one end of the screw sleeve close to the water spray hole.

[0017] Furthermore, the outer wall of the other end of the valve seat is provided with a thread, and a connecting sleeve is screwed on it.

[0018] Furthermore, one end of the water spray hole connected to the cylindrical valve cavity is expanded.

[0019] The beneficial effects of the utility model are: reasonable structural design, wide application, and the ability to achieve multi-dimensional high-pressure fluidized medium injection in direct injection, vertical scattering, and oblique scattering, which can achieve a better discharge effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a cross-sectional view of an embodiment of the multi-dimensional fluidized slurrying nozzle of the present invention;

[0021] Figure 2 This is a cross-sectional view of another embodiment of the multi-dimensional fluidized slurrying nozzle of the present invention;

[0022] Figure 3 This is a view of the multi-dimensional fluidized pulping nozzle of the utility model being applied to fluidized discharge of a storage bin with a conical lower portion;

[0023] Figure 4 This is a vertical view of the multi-dimensional fluidized pulping nozzle of the utility model applied to the fluidized pulping arrangement of a flat-bottom storage bin.

[0024] Figure 5 This is a vertical view of the multi-dimensional fluidized slurry making nozzle of the utility model applied to the fluidized slurry making arrangement of the flat-bottom storage bin on the surface.

[0025] Figure 6 This is a top view of the multi-dimensional fluidized slurry making nozzle of the utility model applied to the fluidized slurry making arrangement of the flat-bottom storage bin on the surface.

[0026] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0027] 1. Nozzle body; 2. Valve core; 3. Elastic member; 4. Sleeve; 5. Connecting sleeve; 11. Nozzle member; 12. Valve seat; 21. Valve body contact portion; 41. Limit mounting portion; 111. Cylindrical valve chamber; 112. Water spray hole; 113. Flow channel; 114. Second limit ring; 121. First limit ring. DETAILED DESCRIPTION

[0028] The principles and features of the present invention are described below in conjunction with the accompanying drawings. The examples given are only used to explain the present invention and are not used to limit the scope of the present invention.

[0029] Example: Figure 1 and 2 As shown, the multi-dimensional fluidized pulping nozzle of this embodiment includes a nozzle body 1 and a valve core 2. The nozzle body 1 has a cylindrical valve cavity 111 extending toward both ends thereof. One end of the nozzle body 1 is penetrated by a plurality of groups of water spray holes 112 connected to the cylindrical valve cavity 111. The plurality of groups of water spray holes 112 extend in the axial, radial and oblique directions toward the outside of the cylindrical valve cavity 111. The other end of the nozzle body 1 is provided with a flow channel 113 coaxially connected to the cylindrical valve cavity 111. 13 has a diameter smaller than that of the cylindrical valve cavity 111. The valve core 2 is a cylindrical component and is coaxially arranged in the cylindrical valve cavity 111. A frustum-shaped valve body contact portion 21 is coaxially provided at one end thereof close to the flow channel 113. An elastic member 3 is connected between the valve body contact portion 21 and one end of the cylindrical valve cavity 111. The conical surface of the valve body contact portion 21 is in elastic contact with one end port of the flow channel 113 to form a line seal. Under the action of the elastic member 3, a one-way valve is formed between the valve core 2 and the flow channel 113.

[0030] Among them, the above-mentioned nozzle body 1 includes a nozzle part 11 and a valve seat 12. The above-mentioned nozzle part 11 is a cylindrical component, and the above-mentioned cylindrical first cavity is coaxially provided inside it. One end of the above-mentioned nozzle part 11 is provided with the above-mentioned water spray hole 112, and the other end of the above-mentioned nozzle part 11 is coaxially provided with an annular groove, and the inner wall of the above-mentioned annular groove is provided with a thread. The above-mentioned valve seat 12 is a cylindrical component, and the above-mentioned flow channel 113 is coaxially provided therein with both ends passing through it. The outer wall of one end of the above-mentioned valve seat 12 is provided with a thread and is screwed onto the inner wall of the above-mentioned annular groove. One end of the above-mentioned valve seat 12 is coaxially provided with an annular cavity, and the above-mentioned annular cavity and the above-mentioned first cavity together constitute the above-mentioned cylindrical valve cavity 111.

[0031] During use, when high-pressure fluidizing medium (water or air) acts on the valve body contact part 21 of the valve core 2 through the port at the other end of the flow channel 113 (flow material inlet), the valve body contact part 21 of the valve core 2 will be pushed open and the elastic part 3 will be compressed to cause the valve core 2 to retract, thereby forming a flow gap. The high-pressure fluidizing medium (water or air) enters the cylindrical valve cavity 111 through the flow channel 113 and is sprayed out through multiple groups of water spray holes 112, so that the yield stress and compaction stress caused by the easily deposited medium in the conical part of the storage bin are destroyed, thereby enabling the deposited medium to be fluidized and slurried, which is convenient for discharge at the bottom outlet of the sand bin.

[0032] In this embodiment, a first stop ring 121 is coaxially disposed on the outer periphery of the valve seat 12. The first stop ring 121 abuts against the other end of the nozzle member 11. This design allows the first stop ring 121 to limit the displacement of the valve seat 12 and the nozzle member 11 when they are screwed together, ensuring a good fit between the two.

[0033] The multi-dimensional fluidized pulping nozzle of this embodiment can be applied in different scenarios, as follows:

[0034] 1) If Figure 1 、 Figure 3 and Figure 4 Installation on the silo. First, install one or more air (or water) ring pipes with multiple outlets outside the storage cone. The ring pipes are connected to the high-pressure water or gas source. The nozzle (indicated by P in the figure) is connected to the air (or water) ring pipe using a standard hydraulic hose with nuts on both ends. The hose nuts, nozzles, and ring pipes are sealed with O-rings.

[0035] When fluidizing medium (high-pressure air or water) enters flow channel 113, the medium pressure pushes valve core 2, overcoming the elastic force of elastic member 3 and moving it toward the inner cavity. This disengages the line seal between valve core 2's valve body contact portion 21 and one end of flow channel 113, creating a flow gap. After entering cylindrical valve cavity 111, the fluidizing medium is ejected through spray holes 112 arranged in multiple directions, including axial, oblique, and radial directions, thereby disrupting the yield stress of the compacted tailings.

[0036] When the medium delivery is stopped, the elastic force of the elastic member 3 pushes the valve core 2 to automatically reset, forming a line seal between the valve body contact portion 21 of the valve core 2 and one end of the flow channel 113 to prevent granular medium from entering the annular tube.

[0037] When the medium delivery is stopped, some fine-grained medium may enter the nozzle. Therefore, the end connecting the water spray hole 112 and the cylindrical valve cavity 111 is expanded (set to a bell mouth). When the medium enters again, this part of the fine-grained medium will be smoothly discharged from the nozzle and will not easily be blocked.

[0038] The multi-dimensional fluidized slurrying nozzle has radial, umbrella-shaped, and axial injection functions, which can achieve excellent fluidized slurrying effects: when applied to storage silos, the nozzle's axial direct injection destroys the yield stress caused by the easily deposited slurry, thus breaking the arch; the nozzle's radial dispersion spray destroys the yield stress caused by the sedimentary medium in the cone of the easily deposited slurry storage silo, forming a fluidized layer inside the cone. Through this fluidization, a slip layer effect similar to a debris flow is formed, causing the fluidized easily deposited medium to naturally move toward the cone outlet under its own gravity; the nozzle's oblique dispersion spray destroys the yield stress caused by the compaction of the easily deposited medium, thus breaking the arch. By injecting media in these three dimensions, a good sand release effect can be achieved.

[0039] like Figure 2 As shown, in another embodiment, the outer wall of the other end of the valve seat 12 is provided with a thread, and a connecting sleeve 5 is screwed in. The connecting sleeve 5 is conveniently installed in the pulping pipeline and is sealed and welded to the through hole of the pulping pipeline, so that the pulping pipeline and the connecting sleeve 5 are connected. The nozzle can be directly screwed into the connecting sleeve 5 from the outside to complete the installation. When replacing, some medium may flow out when unscrewing the nozzle, but due to the thread, it can be easily screwed in again with a tool.

[0040] 2) If Figure 5 and Figure 6 As shown, when installed on the slurry pipeline at the bottom of the slurry storage tank, the nozzle can be directly installed on the multi-channel slurry ring pipe laid at the bottom of the slurry storage tank through the connecting sleeve 5 according to the shape of the slurry storage tank. When the nozzle is operated by passing high-pressure water, when the high-pressure fluidizing medium (water or wind) enters the ring pipe and is ejected from the water spray hole 112 of the multi-dimensional fluidized slurry nozzle, the silted material will have a "boiling" effect under the action of the high-pressure water. Its function is to destroy the siltation caused by the sedimentation slurry, fluidize the sedimentation material, and play a slurrying role, so that it can be pumped to the designated location.

[0041] like Figure 4 As shown, a thread is provided on the outer surface of the middle portion of the nozzle member 11, and a cylindrical screw sleeve 4 is screwed in. A second limiting ring 114 is provided on the outer periphery of the other end of the nozzle member 11, which abuts against the end of the screw sleeve 4, so that the screw sleeve 4 is limited by the second limiting ring 114 during the tightening process with the nozzle member 11. The screw sleeve 4 is penetrated and welded to the bottom of the flat-bottomed storage bin. The external thread provided on the lower part of the valve seat 12 of the multi-dimensional fluidized pulping nozzle is installed externally through the screw sleeve 4 welded to the bottom of the flat-bottomed storage bin, thereby realizing the threaded connection and fixation of the valve seat 12. The material port of the multi-dimensional fluidized pulping nozzle (that is, the other end of the flow channel 113) is connected to the fluidized medium annular pipe installed on the outside of the bin bottom through a pipeline. When the high-pressure fluidized medium (water or wind) enters the annular pipe and is ejected from the water spray hole 112 of the multi-dimensional fluidized pulping nozzle, the sediment material is fluidized.

[0042] In this embodiment, the above-mentioned screw sleeve 4 is coaxially provided with an annular limiting mounting portion 41 at one end close to the above-mentioned water spray hole 112. When installed at the bottom of the warehouse body, the limiting mounting portion 41 is supported on the bottom wall, and the remaining part of the screw sleeve 4 passes through the bottom of the warehouse body and can then be welded.

[0043] Since the multi-dimensional fluidized slurry making nozzle of this embodiment has radial, umbrella-shaped and axial spraying functions, it can achieve a good fluidized slurry making effect: when applied to a storage bin, the nozzle directly sprays axially, and its function is to destroy the yield stress caused by the easily deposited slurry, and play a role in breaking the arch; the nozzle radially sprays, and its function is to destroy the yield stress caused by the sedimentation medium in the cone part of the easily deposited slurry storage bin, and plays a role in forming a fluidized layer inside the cone of the storage bin. Through this fluidization effect, a slip layer effect similar to a debris flow landslide is formed, so that the fluidized easily deposited medium naturally moves toward the outlet of the cone part by its gravity; the nozzle obliquely sprays, and its function is to destroy the yield stress caused by the compaction of the easily deposited medium, and play a role in breaking the arch. By spraying the media in the above three dimensional directions, a better sand release effect can be achieved.

[0044] In this embodiment, the elastic member 3 is a spring and is sleeved outside the valve core 2. The diameter of the valve body contact portion 21 is larger than the diameter of the valve core 2. A step is formed at the connection between the two. One end of the spring is fixedly connected to one end of the cylindrical valve cavity 111, and the other end is fixedly connected to the step. This structural design facilitates the stable installation of the spring.

[0045] In this embodiment, each group of the water spray holes 112 is provided with a plurality of them.

[0046] Optimally, the water spray holes 112 are provided in three groups, wherein the plurality of the water spray holes 112 in one group (denoted by A in the figure) are arranged at one end portion of the nozzle body 1, and extend axially toward the cylindrical valve cavity 111, and are spaced apart in the circumferential direction; another group of the plurality of the water spray holes 112 (denoted by B in the figure) are arranged on the side wall at one end of the nozzle body 1, and extend radially along the cylindrical valve cavity 111, and are spaced apart in the circumferential direction; the plurality of the water spray holes 112 in the remaining group (denoted by C in the figure) are arranged at a position near the end portion of the side wall at one end of the nozzle body 1, and are spaced apart in the circumferential direction, and the water spray holes 112 in the rearranged group all extend obliquely toward the outer side of one end of the nozzle body 1.

[0047] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0048] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0049] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0050] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0051] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and features of different embodiments or examples without contradiction.

[0052] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are illustrative and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A multi-dimensional fluidized pulping nozzle, characterized in that: The invention comprises a nozzle body (1) and a valve core (2), wherein the nozzle body (1) has a cylindrical valve cavity (111) extending toward both ends thereof, and one end of the nozzle body (1) is penetrated by a plurality of groups of water spray holes (112) connected to the cylindrical valve cavity (111), and the plurality of groups of water spray holes (112) extend in the axial direction, radial direction and obliquely outward direction of the cylindrical valve cavity (111), and the other end of the nozzle body (1) is provided with a flow channel (112) coaxially connected to the cylindrical valve cavity (111). 3), the diameter of the flow channel (113) is smaller than the diameter of the cylindrical valve cavity (111), the valve core (2) is a cylindrical component and is coaxially arranged in the cylindrical valve cavity (111), and a frustum-shaped valve body contact portion (21) is coaxially provided at one end thereof close to the flow channel (113), an elastic member (3) is connected between the valve body contact portion (21) and one end of the cylindrical valve cavity (111), and the conical surface of the valve body contact portion (21) is in elastic contact with one end of the flow channel (113).

2. A multi-dimensional fluidized pulping nozzle according to claim 1, characterized in that: The elastic member (3) is a spring and is sleeved outside the valve core (2). The diameter of the valve body contact portion (21) is larger than the diameter of the valve core (2). A step is formed at the connection between the two. One end of the spring is connected and fixed to one end of the cylindrical valve cavity (111), and the other end is connected and fixed to the step.

3. The multi-dimensional fluidized pulping nozzle according to claim 1, characterized in that: Each group of water spray holes (112) is provided with a plurality of them.

4. The multi-dimensional fluidized pulping nozzle according to claim 1, characterized in that: The water spray holes (112) are provided in three groups, wherein a plurality of the water spray holes (112) in one group are arranged at one end of the nozzle body (1), and extend in the axial direction of the cylindrical valve cavity (111), and are spaced apart in the circumferential direction; a plurality of the water spray holes (112) in another group are arranged on a side wall at one end of the nozzle body (1), and extend in the radial direction of the cylindrical valve cavity (111), and are spaced apart in the circumferential direction; a plurality of the water spray holes (112) in the remaining group are arranged at a position close to the end of the side wall at one end of the nozzle body (1), and are spaced apart in the circumferential direction; the water spray holes (112) in the reorganized group all extend obliquely toward the outer side of one end of the nozzle body (1).

5. The multi-dimensional fluidized pulping nozzle according to claim 1, characterized in that: The nozzle body (1) comprises a nozzle member (11) and a valve seat (12); the nozzle member (11) is a cylindrical member, and a cylindrical first cavity is coaxially arranged therein; one end of the nozzle member (11) is provided with the water spray hole (112); the other end of the nozzle member (11) is coaxially provided with an annular groove, and the inner wall of the annular groove is provided with a thread; the valve seat (12) is a cylindrical member, and a flow channel (113) is coaxially arranged therein with two ends passing through it; the outer wall of one end of the valve seat (12) is provided with a thread and is screwed onto the inner wall of the annular groove; one end of the valve seat (12) is coaxially provided with an annular cavity, and the annular cavity and the first cavity together constitute the cylindrical valve cavity (111).

6. The multi-dimensional fluidized pulping nozzle according to claim 5, characterized in that: A first limiting ring (121) is coaxially disposed on the outer periphery of the valve seat (12), and the first limiting ring (121) abuts against the other end of the nozzle member (11).

7. The multi-dimensional fluidized pulping nozzle according to claim 5, characterized in that: The middle outer surface of the nozzle member (11) is provided with a thread and is screwed with a cylindrical screw sleeve (4). The outer periphery of the other end of the nozzle member (11) is provided with a second limiting ring (114) which abuts against the end of the screw sleeve (4).

8. The multi-dimensional fluidized pulping nozzle according to claim 7, characterized in that: An annular position limiting mounting portion (41) is coaxially provided at one end of the screw sleeve (4) close to the water spray hole (112).

9. The multi-dimensional fluidized pulping nozzle according to claim 5, characterized in that: The outer wall of the other end of the valve seat (12) is provided with a thread, and is screwed with a connecting sleeve (5).

10. A multi-dimensional fluidized pulping nozzle according to any one of claims 1 to 9, characterized in that: The end of the water spray hole (112) connected to the cylindrical valve chamber (111) is expanded.

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