Rotary injection pump for conveying high-temperature materials

Abstract

The invention discloses a rotary injection pump for conveying high-temperature materials, and belongs to the technical field of rotary injection pumps, the rotary injection pump comprises a pump main body, a combined screw hole is formed in the pump main body, the pump main body is in split type insertion connection, and the combined screw hole is used for fixing the installation of the pump main body; a pump machine inner filling block is arranged in the pump machine main body, and the pump machine inner filling block is designed and mounted in a sectioning manner; the sealing compensation piece, the compensation supporting piece and other related structures are arranged, so that the device can effectively absorb structural displacement generated in the high-temperature operation process in the material conveying process, and dislocation or clamping caused by thermal deformation of components is avoided; through the arrangement of related structures such as the second sealing compensation block and the embedded sealing clamping plate, related devices can jointly form a multi-layer sealing system, and then good attaching and sealing effects can still be maintained under the high-temperature dynamic working condition, so that material leakage is effectively prevented.

Description

Technical Field

[0001] The present invention relates to the technical field of rotary jet pumps, and more specifically, it relates to a rotary jet pump for transporting high-temperature materials. Background Art

[0002] Rotary jet pumps are widely used in the transportation of high-temperature, high-viscosity or high-heat-load materials, such as in the fields of stainless steel pipe polishing fluid, hot cleaning agents, industrial slurries, etc.; However, the existing rotary pump bodies generally have problems of insufficient structural adaptability. For example: During the use of the existing device, due to the influence of high temperature during continuous operation, significant thermal expansion and contraction deformation will occur in the internal structure of the pump body, causing the displacement of the seal, and even structural expansion and jamming, affecting the stable operation of the device; Especially in the structure involving the transmission of materials by the feeding wheel, the surface teeth of it are extremely prone to problems such as dimensional expansion, material cracking, and uneven wear under high-temperature impact. Seriously, it will lead to uneven feeding or even the failure of the injection system; Moreover, during the feeding process of the existing structure, vortex areas are easily formed on both sides of the teeth due to fluid disturbance, which is likely to cause problems such as material backflow, particle retention, and jamming of the tooth grooves, thereby reducing the material transportation efficiency; Therefore, we have designed a rotary jet pump for transporting high-temperature materials. Summary of the Invention

[0003] To solve the technical problems raised in the background art, the present invention provides the following technical solutions: A rotary jet pump for transporting high-temperature materials, comprising: a pump body main body, a combined screw hole is opened inside the pump body main body, the pump body main body is of a split plug-in type, the combined screw hole is used to fix the installation of the pump body main body, a pump body internal filling block is arranged inside the pump body main body, the pump body internal filling block is of a split design and installation, a feeding pipeline is opened inside the pump body main body, and a discharging pipeline is opened inside the pump body main body; A feeding chamber, the feeding chamber is opened inside the pump body internal filling block, a feeding wheel is installed inside the feeding chamber, the feeding chamber is connected in a through manner with the discharging pipeline and the feeding pipeline, the feeding pipeline and the discharging pipeline also penetrate inside the pump body internal filling block, and the periphery of the feeding wheel is in contact with the inner wall of the feeding chamber; Further, an inlaid snap ring is installed inside the chamber partition. Both ends of the feeding wheel are fixedly inserted with positioning rotating wheel shafts, which are used to rotate the feeding wheel and fix the feeding wheel. A chamber partition is installed inside the feeding chamber, and the chamber partition is used to isolate the internal space of the feeding chamber. The positioning rotating wheel shaft on one side of the feeding wheel penetrates through the chamber partition and is connected to an external transmission wheel. One side of the external transmission wheel is connected to an output shaft rod. The positioning rotating wheel shaft on the side of the feeding wheel away from the external transmission wheel is inserted into the inner wall of the feeding chamber to fix the rotation of the feeding wheel.

[0004] Further, a sealing compensator is installed at the connection between the chamber partition and the inner wall of the feeding chamber. One end of the sealing compensator close to the chamber partition is connected to a support positioning column. A support fitting column is installed on the side of the support positioning column away from the sealing compensator. An expansion sealing ring is installed on the surface of the chamber partition. The support fitting column is fixedly connected to the surface of the expansion sealing ring. A second sealing limit plate is installed on one side of the chamber partition close to the inlaid snap ring. A first sealing limit plate is installed on the side of the inlaid snap ring close to the chamber partition. A second sealing compensation block is arranged between the overlapping part of the inlaid snap ring and the chamber partition. An inlaid sealing clamping plate is lapped on the surface of the chamber partition, and the inlaid sealing clamping plate is used to clamp the connection between the inlaid snap ring and the chamber partition. A connecting fitting shaft is installed inside the inlaid snap ring. A sealing shaft ring is fitted and connected to the surface of the connecting fitting shaft. The positioning rotating wheel shaft penetrates through the inside of the connecting fitting shaft.

[0005] Further, the sealing compensator is made of a soft material, and the soft material is fluororubber, polytetrafluoroethylene or modified silica gel. The sealing compensator is used to provide elastic deformation of the feeding chamber and the chamber partition during thermal expansion and contraction to compensate for the structural displacement of the chamber partition and absorb the contact stress; When the soft material is made of fluororubber material, a mixed coating of FEP and molybdenum disulfide is coated on the surface of the sealing compensator; When the soft material is made of polytetrafluoroethylene material, a mixed coating of perfluoroalkoxy and micro-ceramic particles is coated on the surface of the sealing compensator; When the soft material is made of modified silica gel material, an organosilicon high-temperature resistant coating is coated on the surface of the sealing compensator, and is mixed with plasma fluorination surface treatment or fluorosilicone copolymer coating; The second sealing compensation block is made of graphite-filled polytetrafluoroethylene material, and a composite functional coating is arranged on the surface of the second sealing compensation block. The outer layer of the composite functional coating is a dry film lubricating layer composed of molybdenum disulfide, and the inner layer of the composite functional coating is a dense chemical stable layer formed by perfluoroalkoxy polymer.

[0006] The chimeric sealing card plate has a three-layer material composite structure. The inner layer material is a spring steel core structure, the middle layer material is a fluororubber structure, and the outer layer material is provided with an FEP coating.

[0007] Furthermore, a heat exchange ring is sleeved on the surface of the feed pipe. The heat exchange ring is arranged in a double-layer structure. An exchange ring connection valve is installed between the two heat exchange rings. The exchange ring connection valve penetrates the surface of the feed pipe. A temperature control heating wire is arranged inside the heat exchange ring. An inlet and outlet pipe is connected to the surface of the heat exchange ring. One end of the inlet and outlet pipe is connected to a pumping circulation pipe.

[0008] Furthermore, feeding blades are installed on the surface of the feeding wheel. A compensation support member is arranged inside the feeding blades. Flow guiding auxiliary rings are arranged on both sides of the feeding blades. The flow guiding auxiliary rings are made of soft materials.

[0009] In summary, the present invention has the following beneficial effects: By providing relevant structures such as a sealing compensation member and a compensation support member, during the process of conveying materials, the device can effectively absorb the structural displacement generated during high-temperature operation, and avoid misalignment or jamming of components caused by thermal deformation. By providing relevant structures such as a second sealing compensation block and a chimeric sealing card plate, the relevant devices can jointly form a multi-layer sealing system, and thus can still maintain a good fitting and sealing effect under high-temperature dynamic working conditions, effectively preventing material leakage. By providing structures such as feeding blades and the flow guiding auxiliary rings on both sides thereof, during the feeding process, the device can stabilize the flow path of the materials, reduce the phenomena of backflow and jamming, and ensure the continuous and uniform conveyance of high-temperature materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0011] Figure 1 is a structural schematic diagram of the present invention; Figure 2 is a connection and transmission structural schematic diagram of the feeding wheel of the present invention; Figure 3 is a partial cross-sectional structural schematic diagram of the chamber partition of the present invention; Figure 4 is a partial cross-sectional structural schematic diagram of the nested snap ring of the present invention; Figure 5Schematic diagram of the specific structure of the chimeric sealing card plate of the present invention; Figure 6 Schematic diagram of the partial sectional structure of the feed pipe of the present invention; Figure 7 Schematic diagram of the partial structure at the detachable part of the heat exchange circle of the present invention; Figure 8 Schematic diagram of the partial structure at the connection of the feeding wheel and the feeding blade of the present invention; Figure 9 Schematic diagram of the partial side sectional structure at the connection of the support chimeric column and the support positioning column of the present invention.

[0012] In the figure: 1. Pump body; 2. Merged screw hole; 3. Filling block inside the pump; 4. Feed pipe; 5. Discharge pipe; 6. Feeding chamber; 7. Feeding wheel; 8. Positioning rotating wheel shaft; 9. Chamber partition; 10. Sleeve clamping ring; 11. Expansion sealing ring; 12. External transmission wheel; 13. Sealing compensator; 14. Support chimeric column; 15. Support positioning column; 16. Second sealing limit plate; 17. First sealing limit plate; 18. Second sealing compensation block; 19. Chimeric sealing card plate; 20. Connecting chimeric shaft; 21. Sealing shaft ring; 22. Heat exchange circle; 23. Exchange circle connection valve; 24. Extraction circulation pipe; 25. Inlet and outlet pipe; 26. Temperature control heating wire; 27. Demountable sealing bottom shell; 28. Positioning slot; 29. Feeding blade; 30. Flow guiding auxiliary ring; 31. Compensation support; 32. Output shaft rod. Specific embodiments

[0013] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention. Embodiment

[0014] Please refer to Figures 1-9 , the present invention provides a technical solution: a rotary jet pump for transporting high-temperature materials, including: Pump body 1, a merged screw hole 2 is opened inside the pump body 1, the pump body 1 is of split plug-in type, the merged screw hole 2 is used to fix the installation of the pump body 1, a pump filling block 3 is arranged inside the pump body 1, the pump filling block 3 is of split design and installation, a feed pipe 4 is opened inside the pump body 1, and a discharge pipe 5 is opened inside the pump body 1; The feeding chamber 6 is opened inside the filling block 3 of the pump machine. A feeding wheel 7 is installed inside the feeding chamber 6. The feeding chamber 6 is connected in a through manner to the discharge pipeline 5 and the feeding pipeline 4. The feeding pipeline 4 and the discharge pipeline 5 also penetrate inside the filling block 3 of the pump machine. The periphery of the feeding wheel 7 abuts against the inner wall of the feeding chamber 6; In this embodiment: It should be noted that during the use of the product pump machine main body 1, the two pump machine main bodies 1 are combined through the combined screw holes 2. During the combination of the two pump machine main bodies 1, the feeding chamber 6 becomes an independent cavity. At this time, the feeding chamber 6 is used in a closed manner. One end of the feeding pipeline 4 is connected with the liquid material. During the rotation of the feeding wheel 7, the inside of the feeding chamber 6 can be separated into multiple chambers. At this time, the chamber of the feeding chamber 6 close to the feeding pipeline 4 is the feeding chamber, and the chamber of the feeding chamber 6 close to the discharge pipeline 5 is the discharge chamber. During the specific use process, the feeding wheel 7 rotates, and the liquid material is conveyed to the chamber close to the discharge pipeline 5 through the spacing between each tooth on the surface of the feeding wheel 7 and the inner wall of the feeding chamber 6. Among them, the rotation speed of the feeding wheel 7 determines the amount of the liquid material conveyed. Thus, by controlling the rotation speed of the feeding wheel 7, the feeding rate of the feeding pipeline 4 can be controlled. This is the basic operating principle of the pump machine main body 1. Next, we will gradually introduce the various functions of the pump machine main body 1.

[0015] As Figures 1-9 shown, positioning rotating wheel shafts 8 are fixedly inserted at both ends of the feeding wheel 7. The positioning rotating wheel shafts 8 are used to rotate the feeding wheel 7 and fix the feeding wheel 7. A chamber partition 9 is installed inside the feeding chamber 6. The chamber partition 9 is used to isolate the internal space of the feeding chamber 6. The positioning rotating wheel shaft 8 on one side of the feeding wheel 7 penetrates through the chamber partition 9 and is connected with an external transmission wheel 12. An output shaft rod 32 is connected to one side of the external transmission wheel 12. The positioning rotating wheel shaft 8 on the side of the feeding wheel 7 away from the external transmission wheel 12 is inserted into the inner wall of the feeding chamber 6 to fix the rotation of the feeding wheel 7. A nested clamping ring 10 is installed inside the chamber partition 9.

[0016] In this embodiment: During the use of the device, the specific working principle of the feeding wheel 7 is that by driving the output shaft rod 32, an external transmission wheel 12 is driven to rotate. During the rotation of the nested clamping ring 10, the positioning rotating wheel shaft 8 is driven to rotate at a constant speed. Thus, the rotation of the nested clamping ring 10 drives the feeding wheel 7 to rotate along with it through the positioning rotating wheel shaft 8. Furthermore, in the closed feeding chamber 6, the feeding wheel 7 can pump the liquid material inside the feeding pipeline 4 under the air pressure difference, so that the liquid material inside the feeding pipeline 4 is conveyed to the discharge pipeline 5 through the surface of the feeding wheel 7 and is output under the cooperation and limitation of the feeding chamber 6.

[0017] AsFigures 1-9 As shown, a sealing compensator 13 is installed at the connection between the chamber partition 9 and the inner wall of the feeding chamber 6. One end of the sealing compensator 13 close to the chamber partition 9 is connected with a support positioning column 15. A support fitting column 14 is installed on the side of the support positioning column 15 away from the sealing compensator 13. An expansion sealing ring 11 is installed on the surface of the chamber partition 9. The support fitting column 14 is fixedly connected to the surface of the expansion sealing ring 11. A second sealing limit plate 16 is installed on the side of the chamber partition 9 close to the nested snap ring 10. A first sealing limit plate 17 is installed on the side of the nested snap ring 10 close to the chamber partition 9. A second sealing compensating block 18 is arranged between the overlapping parts of the nested snap ring 10 and the chamber partition 9. An engaging sealing clamping plate 19 is lapped on the surface of the chamber partition 9. The engaging sealing clamping plate 19 is used to clamp the connection between the nested snap ring 10 and the chamber partition 9. A connecting fitting shaft 20 is installed inside the nested snap ring 10. A sealing shaft ring 21 is fitted and connected to the surface of the connecting fitting shaft 20. The positioning rotating wheel shaft 8 penetrates through the inside of the connecting fitting shaft 20; In this embodiment, now we solve the sealing problem at the penetration of the positioning rotating wheel shaft 8 and the chamber partition 9. As described above, the chamber partition 9 is provided to divide the inside of the feeding chamber 6 with the chamber partition 9 as the boundary line, forming two cavities in the installation area of the nested snap ring 10 and the installation area of the feeding wheel 7, so as to effectively ensure that the rotation of the nested snap ring 10 will not affect the sealing use inside the feeding chamber 6. Therefore, it is the top priority in the design to effectively ensure the sealing of the cavity on one side of the feeding wheel 7 during the use of the chamber partition 9. It can be seen that by setting the nested snap ring 10 in an I-shape and installing it at the penetration connection of the chamber partition 9 and the positioning rotating wheel shaft 8, the sealing during the use of the chamber partition 9 and the positioning rotating wheel shaft 8 is ensured. Through the setting of the second sealing compensating block 18, when the concave parts of the chamber partition 9 and the nested snap ring 10 are abutted, the second sealing compensating block 18 is used for filling efficiency at this time, so as to completely fill all the gaps between the engaging sealing clamping plate 19 and the chamber partition 9 during the sealing process of the chamber partition 9 and the nested snap ring 10. During the filling process, due to the existence of the first sealing limit plate 17 and the second sealing limit plate 16, the engaging sealing clamping plate 19 will be extruded. At the same time, during the extrusion process, the second sealing compensating block 18 extends to any place with gaps until it is completely sealed. Due to the influence of the temperature of the liquid material contacted by the inner cavity of the feeding chamber 6, the chamber partition 9 and its related structures on the side close to the feeding chamber 6 are likely to have the problem of thermal expansion and contraction. In the case of thermal expansion, the engaging sealing clamping plate 19 will also expand and start to enlarge its contact surface with the chamber partition 9. Of course, there may also be the problem of warping. Therefore, through the setting of the second sealing compensating block 18, in this case, it can effectively fill the connection between the engaging sealing clamping plate 19 and the chamber partition 9 to ensure that the feeding chamber 6 can continue to operate in a closed chamber environment; Considering the reasons of thermal expansion, we have also made some changes to the structural components of the chamber partition 9. It can be seen that the chamber partition 9 has now become a multi-layer support structure. The main body of the chamber partition 9 is still made of rigid materials. However, considering the thermal barrier properties of metals, it is certain that it cannot fit the inner cavity of the feeding chamber 6 made of the same metal under large temperature differences. Therefore, we set an expansion seal ring 11 and opened concentric annular grooves on the surface of the chamber partition 9 to reduce the deformation of the body of the chamber partition 9. At the same time, through the setting of the expansion seal ring 11, the terminal deformation of the chamber partition 9 is reduced, and a support fitting column 14 is installed on the chamber partition 9, so that one end of the support fitting column 14 can effectively support the seal compensator 13 on the outer ring of the chamber partition 9 through the support positioning column 15. Figure 3 The chamber partition 9 in [description] is shown in a front view. It should be added that the thickness of the seal compensator 13 is greater than that of the chamber partition 9, so that the support fitting column 14 supports the seal compensator 13 to fit the inner wall of the feeding chamber 6 through the support positioning column 15. During the process of the support positioning column 15 abutting against the seal compensator 13, the support fitting column 14 itself is also reversely supported by the acting force of the support positioning column 15. Therefore, the support positioning column 15 driving the support fitting column 14 can also play a reverse positioning effect, so as to ensure that the expansion seal ring 11 is clamped on the surface of the chamber partition 9 without falling off, thereby strengthening the sealing effect of the chamber partition 9. Regarding the connection of the support fitting column 14 and the support positioning column 15, we make supplementary explanations. The sealing compensator 13 is a filler between the chamber partition 9 and the feeding chamber 6, used to compensate for the gap at the connection between the chamber partition 9 and the feeding chamber 6. During the thermal expansion of the sealing compensator 13, the expansion sealing ring 11 will also start to expand. The support fitting column 14 is connected to one side of the axis of the expansion sealing ring 11 close to the feeding chamber 6. During the simultaneous expansion of the expansion sealing ring 11 and the sealing compensator 13, the support fitting column 14, as a support between the expansion sealing ring 11 and the sealing compensator 13, can engage with the support positioning column 15 while passing through the expansion sealing ring 11, and at the same time, it can also support the sealing compensator 13 through the support positioning column 15 to expand the expansion support of the sealing compensator 13. During the expansion of the sealing compensator 13, the volume of the sealing compensator 13 will exceed the contact surface between the chamber partition 9 and the feeding chamber 6. If the sealing compensator 13 is not limited, the sealing compensator 13 may curl after exceeding the top support limit of the filling block 3 in the pump. If such a problem is left unattended, after long-term use and continuous thermal expansion and contraction, the curled part of the sealing compensator 13 cannot shrink back to its original position. Therefore, in order to enhance the service life of the sealing compensator 13 and at the same time ensure the sealing effect between the chamber partition 9 and the feeding chamber 6, we expand the edge contact surface of the sealing compensator 13 through the support of the support positioning column 15. And with the common expansion of the expansion sealing ring 11 and the sealing compensator 13, the expansion sealing ring 11 is made of a soft material. During the expansion and support of the sealing compensator 13, the sealing compensator 13 can drive the support positioning column 15, so that the angle of the support positioning column 15 can be finely adjusted, thus ensuring the support effect of the support positioning column 15 and the support fitting column 14 on the sealing compensator 13.

[0018] As Figures 1-9 shown, the sealing compensator 13 is made of a soft material, and the soft material is fluororubber, polytetrafluoroethylene or modified silica gel. The sealing compensator 13 is used to provide elastic deformation of the feeding chamber 6 and the chamber partition 9 during thermal expansion and contraction to compensate for the structural displacement of the chamber partition 9 and absorb the contact stress; When the soft material is made of fluororubber material, the surface of the sealing compensator 13 is coated with a mixed coating of FEP and molybdenum disulfide; When the soft material is made of polytetrafluoroethylene material, the surface of the sealing compensator 13 is coated with a mixed coating of perfluoroalkoxy and micro-ceramic particles; When the soft material is made of modified silica gel material, the surface of the sealing compensator 13 is coated with a silicone high-temperature resistant coating and mixed with plasma fluorination surface treatment or fluorosilicone copolymer coating; The second sealing compensating block 18 is made of graphite-filled polytetrafluoroethylene material. A composite functional coating is provided on the surface of the second sealing compensating block 18. The outer layer of the composite functional coating is a dry film lubricating layer composed of molybdenum disulfide, and the inner layer of the composite functional coating is a dense chemical stable layer formed by perfluoroalkoxy polymer.

[0019] The fitting sealing clamping plate 19 has a three-layer material composite structure. The inner layer material is a spring steel core structure, the middle layer material is a fluororubber structure, and the outer layer material is provided with an FEP coating; In this embodiment, regarding the outer layer material coating of the fitting sealing clamping plate 19 specifically used, we decided to use FEP. According to specific experimental results, although the FEP coating has been used as an anti-sticking coating for rubber-like materials in many fields, we set the fitting sealing clamping plate 19 as a three-layer clamping structure of a spring steel core, a fluororubber elastomer, and an FEP surface layer, so as to endow the fitting sealing clamping plate 19 with the flexible release ability and adjustment ability during the dynamic clamping process. Especially when there are synergistic requirements for thermal deformation and compression between the structural member sleeve clamping ring 10 and the chamber partition 9, the FEP coating can maintain a constant clamping force while avoiding the aging of the clamping material or cold adhesion with the metal surface. Therefore, the fitting sealing clamping plate 19 can meet our usage requirements when set like this; In addition, the setting of the second sealing compensating block 18 is mainly to ensure filling the gap, absorbing axial thermal deformation, and providing dynamic seal pressure compensation between the sleeve clamping ring 10 and the chamber partition 9. Through the setting of the above materials, under the condition of the high-speed operation of the pump body, the second sealing compensating block 18 can undergo a small amount of deformation with the temperature change and always maintain close contact with the sleeve clamping ring 10 and other structural members, thereby ensuring that the system sealing performance is not interfered by thermal changes; The setting of the surface coating of the sealing compensating member 13 is used to improve its surface stability and service life in a high-temperature rotating environment. It should be noted that for the fluororubber body, its surface is preferably coated with an FEP coating to improve its surface inertness, anti-sticking property, and anti-coking property under high-temperature working conditions. At the same time, a molybdenum disulfide lubricating film layer is coated to reduce the frictional resistance and stress concentration during its structural deformation. It is mainly applicable to the clamping connection and gap sealing interface; In the case of selecting PTFE as the material for preparing the sealing compensating member 13 itself, its surface can select a composite PFA coating to improve its wear resistance and micropore sealing performance. At the same time, a micro-ceramic particle reinforcement layer is combined, including but not limited to alumina, zirconia microparticles, etc., to increase its surface hardness and anti-cracking property, and prevent crack propagation or powdering and shedding caused by long-term thermal loading; In the case of selecting modified silica gel as the material for preparing the body of the sealing compensator 13, an organosilicon high-temperature resistant coating is preferably applied to its surface to improve its thermal aging stability. At the same time, plasma fluorination surface treatment or fluorosilicone copolymer coating is adopted to further enhance its chemical inertness and anti-adsorption performance in high-temperature media; Through the above coating design, the sealing compensator 13 can not only maintain the deformation amount and compensation ability of its core elastic structure, but also provide stable sealing performance and self-adaptive fitting during the process of contacting other related structures, and is especially suitable for use in complex working conditions such as high-frequency vibration, high-temperature load, and dynamic sealing.

[0020] As Figures 1-9 shown, a heat exchange ring 22 is sleeved on the surface of the feed pipe 4. The heat exchange ring 22 is arranged in a double-layer structure. An exchange ring connection valve 23 is installed between the two layers of the heat exchange ring 22. The exchange ring connection valve 23 penetrates the surface of the feed pipe 4. A temperature control heating wire 26 is arranged inside the heat exchange ring 22. An inlet and outlet pipe 25 is connected to the surface of the heat exchange ring 22. One end of the inlet and outlet pipe 25 is connected to a pumping circulation pipe 24; In this embodiment, by setting it like this, during the use of the device, when the feed pipe 4 is in use, the heat exchange coil 22 can effectively control the liquid in the feed pipe 4, achieving functions such as constant temperature, cooling, heating, etc. It should be noted that the temperature control heating wire 26 itself is wound with structures such as resistance wires, and the temperature control heating wire 26 is divided into two groups. One group is wound in the heat exchange coil 22 outside the feed pipe 4, and the other group is wound in the heat exchange coil 22 inside the feed pipe 4. During the winding process, the dog-tooth structure of the temperature control heating wire 26 can effectively increase its contact area with the heat exchange coil 22 and the liquid inside the feed pipe 4, thereby quickly completing the function of heating the liquid passing through the inside of the feed pipe 4. However, it should be noted that during the use of the above device, in order to ensure full contact between the heat exchange coil 22 and the inside of the feed pipe 4, the bottom shell of the feed pipe 4 needs to be disassembled. A disassembly sealing bottom shell 27 is provided on the side of the heat exchange coil 22 close to the feed pipe 4. A positioning slot 28 is fixedly connected inside the heat exchange coil 22. The positioning slot 28 is used to support the pull-out connection of the disassembly sealing bottom shell 27. A soft elastic material is provided at the connection between the positioning slot 28 and the disassembly sealing bottom shell 27. By setting it like this, it is ensured that the disassembly sealing bottom shell 27 can be used for disassembly so that the temperature control heating wire 26 can directly contact the liquid inside the feed pipe 4. In addition, when it is necessary to cool the liquid inside the feed pipe 4, at this time, the pumping circulation pipe 24 can be started, and the liquid is circulated to the heat exchange coil 22 through the inlet and outlet pipe 25. The exchange coil connection valve 23 is opened to make the two internal and external heat exchange coils 22 in a connected state. At this time, under the setting of the temperature control heating wire 26, it will increase the contact area between the internal circulating coolant and the inlet and outlet pipe 25, enabling the inlet and outlet pipe 25 to quickly cool the liquid, thereby effectively ensuring the cooling use effect of the device.

[0021] As Figures 1-9 shown, a feed blade 29 is installed on the surface of the feed wheel 7. A compensation support 31 is provided inside the feed blade 29. Flow guiding auxiliary rings 30 are provided on both sides of the feed blade 29. The flow guiding auxiliary rings 30 are made of soft materials; In this embodiment, if set according to the rotation direction, according to Figure 8The partial display in it shows that the flow guiding auxiliary rings 30 are arranged in ascending order and installed on the surface of the feeding wheel 7. It should be noted that the largest flow guiding auxiliary ring 30 must be installed on the side in the advancing direction of the feeding blade 29, that is, the side that finally receives the material. The flow guiding auxiliary ring 30 is made of a flexible material and is used for sealing compensation of the feeding blade 29 under the condition of thermal expansion and contraction. At the same time, the setting of the flow guiding auxiliary ring 30 also avoids the situation that the liquid material is likely to form a vortex during the rotation of the feeding wheel 7, and the feeding blade 29 is likely to collide with the feeding blade 29 behind. Thus, through such a setting, the service life of the feeding blade 29 is enhanced. In addition, it also has the function of a flexible flow-through edge, which can avoid problems such as dead-end flow vortices. The compensation support member 31 is made of a corrugated flexible material and is nested inside the feeding blade 29 as a support when the feeding blade 29 undergoes thermal expansion and contraction, and can also avoid problems such as stress deformation of the feeding blade 29, which ensures the service life of the feeding blade 29 from the side.

[0022] In the description of this specification, the description with reference to terms such as "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in connection 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 a suitable manner in any one or more embodiments or examples.

[0023] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art of this industry should understand that the present invention is not limited by the above embodiments. The above embodiments and the descriptions in the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have various changes and improvements, and these changes and improvements all fall within the scope of the present invention claimed.

Claims

1. A rotary jet pump for conveying high-temperature materials, comprising a pump body (1), characterized in that: A combined screw hole (2) is provided inside the pump body (1), the pump body (1) is of a split plug-in type, the combined screw hole (2) is used for fixing the installation of the pump body (1), a pump inner filling block (3) is arranged inside the pump body (1), the pump inner filling block (3) is designed and installed in a split type, a feed pipe (4) is provided inside the pump body (1), and a discharge pipe (5) is provided inside the pump body (1); A feeding chamber (6), the feeding chamber (6) is arranged inside the pump inner filling block (3), a feeding wheel (7) is installed inside the feeding chamber (6), the feeding chamber (6) is connected in a through manner with the discharge pipe (5) and the feed pipe (4), the feed pipe (4) and the discharge pipe (5) also penetrate inside the pump inner filling block (3), and the periphery of the feeding wheel (7) abuts against the inner wall of the feeding chamber (6).

2. The rotary jet pump for conveying high-temperature materials according to claim 1, wherein: Positioning rotating wheel shafts (8) are fixedly inserted at both ends of the feeding wheel (7), the positioning rotating wheel shafts (8) are used for rotating the feeding wheel (7) and fixing the feeding wheel (7), a chamber partition plate (9) is installed inside the feeding chamber (6), the chamber partition plate (9) is used for isolating the internal space of the feeding chamber (6), the positioning rotating wheel shaft (8) on one side of the feeding wheel (7) penetrates through the chamber partition plate (9) and is connected with an external transmission wheel (12), an output shaft rod (32) is connected to one side of the external transmission wheel (12), and the positioning rotating wheel shaft (8) on the side of the feeding wheel (7) away from the external transmission wheel (12) is inserted into the inner wall of the feeding chamber (6) to fix the rotation of the feeding wheel (7).

3. The rotary jet pump for conveying high-temperature materials according to claim 2, wherein: A sealing compensation member (13) is installed at the connection between the chamber partition plate (9) and the inner wall of the feeding chamber (6). One end of the sealing compensation member (13) close to the chamber partition plate (9) is connected with a support positioning column (15). A support fitting column (14) is installed on the side of the support positioning column (15) away from the sealing compensation member (13). An expansion sealing ring (11) is installed on the surface of the chamber partition plate (9). The support fitting column (14) is fixedly connected to the surface of the expansion sealing ring (11). A nested snap ring (10) is installed inside the chamber partition plate (9). A second sealing limit plate (16) is installed on the side of the chamber partition plate (9) close to the nested snap ring (10). A first sealing limit plate (17) is installed on the side of the nested snap ring (10) close to the chamber partition plate (9). A second sealing compensation block (18) is arranged between the overlapping part of the nested snap ring (10) and the chamber partition plate (9). An engaging sealing card plate (19) is lapped on the surface of the chamber partition plate (9). The engaging sealing card plate (19) is used to clamp the connection between the nested snap ring (10) and the chamber partition plate (9). A connecting fitting shaft (20) is installed inside the nested snap ring (10). A sealing shaft ring (21) is fitted and connected to the surface of the connecting fitting shaft (20). The positioning rotating wheel shaft (8) penetrates inside the connecting fitting shaft (20).

4. The rotary jet pump for conveying high-temperature materials according to claim 3, wherein: The sealing compensation member (13) is made of a soft material, and the soft material is fluororubber, polytetrafluoroethylene or modified silica gel. The sealing compensation member (13) is used to provide elastic deformation of the feeding chamber (6) and the chamber partition plate (9) during thermal expansion and contraction, so as to compensate for the structural displacement of the chamber partition plate (9) and absorb the contact stress; When the soft material is made of fluororubber material, a mixed coating of FEP and molybdenum disulfide is coated on the surface of the sealing compensation member (13); When the soft material is made of polytetrafluoroethylene material, a mixed coating of perfluoroalkoxy and micro ceramic particles is coated on the surface of the sealing compensation member (13); When the soft material is made of modified silica gel material, an organosilicon high-temperature resistant coating is coated on the surface of the sealing compensation member (13), and is mixed with plasma fluorination surface treatment or fluorosilicone copolymer coating.

5. The rotary jet pump for conveying high-temperature materials according to claim 3, wherein: The second sealing compensation block (18) is made of graphite-filled polytetrafluoroethylene material. A composite functional coating is arranged on the surface of the second sealing compensation block (18). The outer layer of the composite functional coating is a dry film lubricating layer composed of molybdenum disulfide, and the inner layer of the composite functional coating is a dense chemical stable layer formed by perfluoroalkoxy polymer.

6. The rotary jet pump for conveying high-temperature materials according to claim 3, wherein: The engaging sealing card plate (19) is composed of three layers of materials. The inner layer material is of a spring steel core structure, the middle layer material is of a fluororubber structure, and the outer layer material is coated with an FEP coating.

7. The rotary jet pump for conveying high-temperature materials according to claim 1, wherein: The surface of the feed pipe (4) is sleeved with a heat exchange ring (22). The heat exchange ring (22) is arranged in a double-layer structure. An exchange ring connection valve (23) is installed between the two heat exchange rings (22). The exchange ring connection valve (23) penetrates through the surface of the feed pipe (4). A temperature control heating wire (26) is arranged inside the heat exchange ring (22). An inlet and outlet pipe (25) is connected to the surface of the heat exchange ring (22). One end of the inlet and outlet pipe (25) is connected to a pumping circulation pipe (24).

8. A rotary jet pump for conveying high-temperature materials according to claim 5, characterized in that: A feed blade (29) is installed on the surface of the feed wheel (7). A compensation support (31) is arranged inside the feed blade (29). Flow guiding auxiliary rings (30) are arranged on both sides of the feed blade (29). The flow guiding auxiliary rings (30) are made of soft materials.

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