CN113982954A - Vertical long-shaft wear-resistant and corrosion-resistant slurry pump - Google Patents
Vertical long-shaft wear-resistant and corrosion-resistant slurry pump Download PDFInfo
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- CN113982954A CN113982954A CN202111270975.2A CN202111270975A CN113982954A CN 113982954 A CN113982954 A CN 113982954A CN 202111270975 A CN202111270975 A CN 202111270975A CN 113982954 A CN113982954 A CN 113982954A
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- 238000005260 corrosion Methods 0.000 title claims abstract description 57
- 230000007797 corrosion Effects 0.000 title claims abstract description 51
- 239000002002 slurry Substances 0.000 title claims abstract description 44
- 238000013016 damping Methods 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 238000012856 packing Methods 0.000 claims description 5
- 239000013049 sediment Substances 0.000 abstract description 34
- 239000007788 liquid Substances 0.000 abstract description 19
- 239000011435 rock Substances 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 23
- 239000000945 filler Substances 0.000 description 10
- 238000003756 stirring Methods 0.000 description 9
- 239000002131 composite material Substances 0.000 description 8
- HCDGVLDPFQMKDK-UHFFFAOYSA-N hexafluoropropylene Chemical group FC(F)=C(F)C(F)(F)F HCDGVLDPFQMKDK-UHFFFAOYSA-N 0.000 description 8
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 description 7
- YHWCPXVTRSHPNY-UHFFFAOYSA-N butan-1-olate;titanium(4+) Chemical compound [Ti+4].CCCC[O-].CCCC[O-].CCCC[O-].CCCC[O-] YHWCPXVTRSHPNY-UHFFFAOYSA-N 0.000 description 7
- 229920003225 polyurethane elastomer Polymers 0.000 description 7
- 229920002451 polyvinyl alcohol Polymers 0.000 description 7
- 230000035939 shock Effects 0.000 description 7
- 229920002101 Chitin Polymers 0.000 description 6
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 6
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 6
- 239000000347 magnesium hydroxide Substances 0.000 description 6
- 238000002156 mixing Methods 0.000 description 6
- 238000001816 cooling Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- QQGISFDJEJMKIL-JAIQZWGSSA-N (5z)-5-[[3-(hydroxymethyl)thiophen-2-yl]methylidene]-10-methoxy-2,2,4-trimethyl-1h-chromeno[3,4-f]quinolin-9-ol Chemical group C1=CC=2NC(C)(C)C=C(C)C=2C2=C1C=1C(OC)=C(O)C=CC=1O\C2=C/C=1SC=CC=1CO QQGISFDJEJMKIL-JAIQZWGSSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04D7/02—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type
- F04D7/04—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts of centrifugal type the fluids being viscous or non-homogenous
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
- C08L75/04—Polyurethanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/2261—Rotors specially for centrifugal pumps with special measures
- F04D29/2294—Rotors specially for centrifugal pumps with special measures for protection, e.g. against abrasion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/18—Rotors
- F04D29/22—Rotors specially for centrifugal pumps
- F04D29/24—Vanes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/669—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for liquid pumps
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/2224—Magnesium hydroxide
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a vertical long-shaft wear-resistant and corrosion-resistant slurry pump, which comprises a motor protective sleeve, wherein a rotating motor is arranged inside the motor protective sleeve, a support plate is fixed at the top of the motor protective sleeve, a fixed seat is fixed at the top of the support plate, a volute is fixed at the top of the fixed seat, a transmission shaft is fixed at the output end of the rotating motor, the end part of the transmission shaft penetrates through the fixed seat and the volute and is positioned inside the volute, a sealing ring is fixed at the top end of the transmission shaft, a corrosion-resistant impeller is arranged above the sealing ring, and a damping mechanism for reducing the shaking of the slurry pump is fixed at the bottom of the motor protective sleeve; the problem of the sediment stuff pump in the use, because impeller and sediment thick liquid keep long-time high-speed contact, receive wearing and tearing and corruption easily, reduce the life of sediment stuff pump is solved, and the sediment stuff pump can produce acutely because the high-speed operation of motor in the course of the work and rock, and the security is lower, and the current sediment stuff pump is poor to the pump sending effect of sediment thick liquid simultaneously, and work efficiency is lower etc. is solved.
Description
Technical Field
The invention relates to the technical field of slurry pumps, in particular to a vertical long-shaft wear-resistant corrosion-resistant slurry pump.
Background
The slurry pump is a centrifugal pump which is advanced and developed in recent years due to larger material transportation particles and has higher efficiency and stronger performance. The vertical slurry pump is mainly used for pumping thick liquid, thick oil, oil residue, dirty liquid, slurry, mortar, quicksand and flowing sludge of urban sewage drainage channels, fluid containing silt residues and corrosive liquid in the industries of environmental protection, municipal engineering, thermal power plants, gas coking plants, oil refineries, steel plants, mining, paper making industry, cement plants, food plants, printing and dyeing and the like.
The sediment stuff pump is in the use, because impeller and sediment thick liquid keep long-time high-speed contact, receives wearing and tearing and corruption easily, reduces the life of sediment stuff pump, and the sediment stuff pump can produce acutely because the high-speed operation of motor rocks in the course of the work, and the security is lower, and current sediment stuff pump is poor to the pump sending effect of sediment thick liquid simultaneously, and work efficiency is lower.
In order to solve the above-mentioned drawbacks, a technical solution is now provided.
Disclosure of Invention
The invention aims to provide a vertical long-shaft wear-resistant corrosion-resistant slurry pump.
The technical problems to be solved by the invention are as follows:
the sediment stuff pump is in the use, because impeller and sediment thick liquid keep long-time high-speed contact, receives wearing and tearing and corruption easily, reduces the life of sediment stuff pump, and the sediment stuff pump can produce acutely because the high-speed operation of motor rocks in the course of the work, and the security is lower, and current sediment stuff pump is poor to the pump sending effect of sediment thick liquid simultaneously, and work efficiency is lower.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a wear-resisting corrosion resistant sediment stuff pump of vertical major axis, includes the motor protective sheath, the internally mounted of motor protective sheath has the rotation motor, and the top of motor protective sheath is fixed with the extension board, and the top of extension board is fixed with the fixing base, and the top of fixing base is fixed with the spiral case, and the output of rotating the motor is fixed with the transmission shaft, and the tip of transmission shaft passes fixing base and spiral case and lies in the inside of spiral case, and the top of transmission shaft is fixed with the sealing washer, and the top of sealing washer is equipped with corrosion-resistant impeller, and the bottom of motor protective sheath is fixed with the damper who reduces the sediment stuff pump and rock.
Further, damper includes the shock attenuation room, and the inside of shock attenuation room is equipped with the lifter plate, and the inside top of shock attenuation room is close to the position of both sides and is fixed with the slide bar of symmetric distribution, and the surface of slide bar has cup jointed first damping spring.
Furthermore, the inside bottom of shock attenuation room is close to the position of both sides and has seted up the sliding tray of symmetric distribution, and the inside sliding connection of sliding tray has the sliding plate, is fixed with second damping spring between one side of sliding plate and the sliding tray, and hinged joint has the connecting rod of symmetric distribution between the top of two sliding plates respectively and the bottom both ends of lifter plate.
Furthermore, corrosion-resistant impeller includes the impeller body, and one side fixed surface of impeller body has a plurality of impeller blades, and a plurality of impeller blades are convex and be annular evenly distributed.
Furthermore, a buffer spring is fixed between the corrosion-resistant impeller and the sealing ring, a packing ring is fixed on the outer surface of the transmission shaft, and the packing ring is located below the sealing ring.
Furthermore, a slurry inlet is formed in the top of the volute, a working cavity is formed in the top end of the inside of the fixing seat, a connecting pipe is fixed to one side of the outside of the fixing seat and communicated with the inside of the working cavity, the bottom end of the connecting pipe penetrates through the support plate and is fixed with a slurry outlet, and a spiral blade is fixed to the outer surface of the transmission shaft and located in the working cavity.
The invention has the beneficial effects that:
according to the invention, through the arrangement of the damping mechanism, the shake generated during the operation of the slurry pump is transmitted to the lifting plate through the damping plate, so that the lifting plate slides on the sliding rod, the first damping spring is extruded to realize damping, the lifting plate is matched with the connecting rod to push the sliding plate to slide in the sliding groove, the second damping spring is extruded to further realize damping, the shake of the slurry pump during the operation is reduced, and the stability and the safety are improved.
The impeller blades are arranged, and the flow channel is formed between the adjacent impeller blades, so that the slurry can be guided, and the working efficiency of the slurry pump is improved; through setting up buffer spring for the sediment thick liquid speed through corrosion-resistant impeller obtains the buffering, avoids corrosion-resistant impeller directly to bear the impact of sediment thick liquid, has guaranteed corrosion-resistant impeller's safety, thereby has guaranteed the life of this sediment thick liquid pump, through setting up helical blade, makes the sediment thick liquid export to the sediment in the working chamber carry more smoothly, improves work efficiency.
The corrosion resistance is improved by adding tetrafluoroethylene and hexafluoropropylene, the high temperature resistance is realized, the modified material is prepared by adding chitin, tetrabutyl titanate and ethylenediamine, and then the modified material is uniformly mixed with polyurethane rubber, tetrafluoroethylene, hexafluoropropylene, polyvinyl alcohol and composite filler to prepare the corrosion-resistant material, so that the corrosion resistance of the corrosion-resistant impeller is further improved, and the service life of the slurry pump is prolonged.
Drawings
The invention is described in further detail below with reference to the figures and specific embodiments.
FIG. 1 is a schematic structural diagram of a vertical long-axis wear-resistant and corrosion-resistant slurry pump according to the invention;
FIG. 2 is a schematic view of the internal structure of the volute of the present invention;
FIG. 3 is a schematic structural view of a corrosion resistant impeller according to the present invention;
FIG. 4 is a schematic view of the structure of the shock absorbing mechanism of the present invention;
fig. 5 is an enlarged view of the invention at a in fig. 4.
In the figure: 1. a motor protective sleeve; 2. a support plate; 3. a fixed seat; 4. a volute; 5. a damping mechanism; 6. a drive shaft; 7. a corrosion resistant impeller; 8. a buffer spring; 9. a packing ring; 10. a slurry inlet; 11. a connecting pipe; 12. a slurry outlet; 13. a helical blade; 501. a damper plate; 502. a damping chamber; 503. a shock-absorbing lever; 504. a lifting plate; 505. a slide bar; 506. a first damping spring; 507. a sliding groove; 508. a sliding plate; 509. a second damping spring; 510. a connecting rod; 71. an impeller body; 72. impeller blades.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-5, the present invention provides a technical solution:
the utility model provides a wear-resisting corrosion resistant slurry pump of vertical major axis, includes motor protective sheath 1, and the internally mounted of motor protective sheath 1 has the rotation motor, and the top of motor protective sheath 1 is fixed with extension board 2, and the top of extension board 2 is fixed with fixing base 3, and the top of fixing base 3 is fixed with spiral case 4, and the bottom of motor protective sheath 1 is fixed with damping mechanism 5 that reduces the slurry pump and rock.
The damping mechanism 5 comprises a damping plate 501 fixed with the bottom of the motor protective sleeve 1, a damping chamber 502 is arranged below the damping plate 501, two damping rods 503 which are symmetrically distributed are fixed at the bottom of the damping plate 501, the bottom ends of the damping rods 503 penetrate through the damping chamber 502 and are fixed with a lifting plate 504, symmetrically distributed sliding rods 505 are fixed at positions close to two sides of the top end of the interior of the damping chamber 502, a limiting plate is fixed at the bottom end of the sliding rod 505, two ends of the lifting plate 504 are respectively connected with the two sliding rods 505 in a sliding manner, a first damping spring 506 is sleeved on the outer surface of the sliding rod 505, two ends of the first damping spring 506 are respectively fixed with the lifting plate 504 and the limiting plate, symmetrically distributed sliding grooves 507 are arranged at positions close to two sides of the bottom end of the interior of the damping chamber 502, a sliding plate 508 is connected to the interior of the sliding grooves 507 in a sliding manner, a second damping spring 509 is fixed between one side of the sliding plate 508 and the sliding grooves 507, symmetrically distributed connecting rods 510 are hinged between the top of each sliding plate 508 and the two ends of the bottom of the lifting plate 504. Through setting up damper 5, make the sediment stuff pump rock during operation and transmit for lifter plate 504 through damper plate 501, make lifter plate 504 slide on slide bar 505, extrude first damping spring 506 and realize the shock attenuation, lifter plate 504 cooperates connecting rod 510 to promote sliding plate 508 and slides in sliding tray 507, extrude second damping spring 509 and further realize the shock attenuation, reduced rocking of the during operation of the sediment stuff pump, improved stability and security.
The output end of the rotating motor is fixedly provided with a transmission shaft 6, the end part of the transmission shaft 6 penetrates through the fixed seat 3 and the volute 4 and is positioned inside the volute 4, the top end of the transmission shaft 6 is fixedly provided with a sealing ring, and a corrosion-resistant impeller 7 is arranged above the sealing ring.
The corrosion-resistant impeller 7 comprises an impeller body 71, a plurality of impeller blades 72 are fixed on the surface of one side of the impeller body 71, the impeller blades 72 are arc-shaped and are uniformly distributed in an annular shape, a flow channel is formed between every two adjacent impeller blades 72, and therefore slurry can be guided, and the working efficiency of the slurry pump is improved.
Be fixed with buffer spring 8 between corrosion-resistant impeller 7 and the sealing washer, through setting up buffer spring 8 for the sediment thick liquid speed through corrosion-resistant impeller 7 obtains the buffering, avoids corrosion-resistant impeller 7 directly to bear the impact of sediment thick liquid, has guaranteed corrosion-resistant impeller 7's safety, thereby has guaranteed the life of this sediment stuff pump, and the external fixation of transmission shaft 6 has filler ring 9, and filler ring 9 is located the below of sealing washer.
Sediment thick liquid entry 10 has been seted up at the top of spiral case 4, the inside top of fixing base 3 is equipped with the working chamber, outside one side of fixing base 3 is fixed with connecting pipe 11, connecting pipe 11 communicates with each other with the working chamber is inside, extension board 2 and be fixed with sediment thick liquid export 12 are passed to the bottom of connecting pipe 11, the external surface mounting of transmission shaft 6 has helical blade 13, helical blade 13 is located the working chamber, through setting up helical blade 13, make the sediment thick liquid export 12 transport more comfortable to sediment thick liquid in the working chamber, improve work efficiency.
Example 1
The corrosion-resistant impeller 7 is prepared from the following raw materials in parts by weight:
30 parts of polyurethane rubber, 20 parts of tetrafluoroethylene, 10 parts of hexafluoropropylene, 15 parts of polyvinyl alcohol, 6 parts of composite filler, 20 parts of chitin, 8 parts of ethylenediamine, 10 parts of tetrabutyl titanate and 8 parts of magnesium hydroxide;
the corrosion-resistant impeller 7 is prepared by the following preparation method:
s1, preparing a modified material, namely, putting chitin and water into a mixer, mixing and stirring, standing for 20min, adding tetrabutyl titanate and ethylenediamine into the mixer, continuously stirring for 30min, and standing to obtain a modified material solution;
s2, preparing the corrosion-resistant material, namely putting the polyurethane rubber, the tetrafluoroethylene, the hexafluoropropylene, the polyvinyl alcohol and the composite filler into a high-speed stirrer, mixing for 20min at the temperature of 150 ℃ and the rotating speed of 1200r/min, adding the magnesium hydroxide and the modified material solution, continuously stirring for 40min to obtain the friction-resistant material, pouring the corrosion-resistant material into a mold, and cooling to obtain the corrosion-resistant impeller 7.
Example 2
The corrosion-resistant impeller 7 is prepared from the following raw materials in parts by weight:
35 parts of polyurethane rubber, 22 parts of tetrafluoroethylene, 12 parts of hexafluoropropylene, 17 parts of polyvinyl alcohol, 8 parts of composite filler, 25 parts of chitin, 10 parts of ethylenediamine, 15 parts of tetrabutyl titanate and 9 parts of magnesium hydroxide;
the corrosion-resistant impeller 7 is prepared by the following preparation method:
s1, preparing a modified material, namely, placing chitin and water into a mixer, mixing and stirring, standing for 25min, adding tetrabutyl titanate and ethylenediamine into the mixer, continuously stirring for 35min, and standing to obtain a modified material solution;
s2, preparing the corrosion-resistant material, namely putting the polyurethane rubber, the tetrafluoroethylene, the hexafluoropropylene, the polyvinyl alcohol and the composite filler into a high-speed stirrer, mixing for 25min at the temperature of 160 ℃ and the rotating speed of 1200r/min, adding the magnesium hydroxide and the modified material solution, continuously stirring for 45min to obtain the friction-resistant material, pouring the corrosion-resistant material into a mold, and cooling to obtain the corrosion-resistant impeller 7.
Example 3
The corrosion-resistant impeller 7 is prepared from the following raw materials in parts by weight:
40 parts of polyurethane rubber, 25 parts of tetrafluoroethylene, 15 parts of hexafluoropropylene, 22 parts of polyvinyl alcohol, 10 parts of composite filler, 30 parts of carapace, 13 parts of ethylenediamine, 18 parts of tetrabutyl titanate and 10 parts of magnesium hydroxide;
the corrosion-resistant impeller 7 is prepared by the following preparation method:
s1, preparing a modified material, namely, putting chitin and water into a mixer, mixing and stirring, standing for 30min, adding tetrabutyl titanate and ethylenediamine into the mixer, continuously stirring for 40min, and standing to obtain a modified material solution;
s2, preparing the corrosion-resistant material, namely putting the polyurethane rubber, the tetrafluoroethylene, the hexafluoropropylene, the polyvinyl alcohol and the composite filler into a high-speed stirrer, mixing for 30min at the temperature of 170 ℃ and the rotating speed of 1200r/min, adding the magnesium hydroxide and the modified material solution, continuously stirring for 50min to obtain the friction-resistant material, pouring the corrosion-resistant material into a mold, and cooling to obtain the corrosion-resistant impeller 7.
The composite filler is a mixed material consisting of epoxy resin and carbon fiber.
The working principle is as follows:
when the anti-corrosion impeller is used, the rotating motor is started to drive the transmission shaft 6 to rotate, the transmission shaft 6 drives the anti-corrosion impeller 7 to rotate, slurry enters the volute 4 from the slurry inlet 10 and is pumped out from the slurry outlet 12 through the spiral blades 13 under the action of the anti-corrosion impeller 7, the slurry can be guided by arranging the impeller blades 72 and forming the flow channel between the adjacent impeller blades 72, the working efficiency of the slurry pump is improved, the speed of the slurry passing through the anti-corrosion impeller 7 is buffered by arranging the buffer spring 8, the anti-corrosion impeller 7 is prevented from directly bearing the impact of the slurry, the safety of the anti-corrosion impeller 7 is ensured, the slurry is more smoothly conveyed to the slurry outlet 12 in the working cavity by arranging the spiral blades 13, and the working efficiency is improved.
The shaking generated during the operation of the slurry pump is transmitted to the lifting plate 504 through the damping plate 501, so that the lifting plate 504 slides on the sliding rod 505, the first damping spring 506 is extruded to realize damping, the lifting plate 504 is matched with the connecting rod 510 to push the sliding plate 508 to slide in the sliding groove 507, the second damping spring 509 is extruded to further realize damping, the shaking during the operation of the slurry pump is reduced, and the stability and the safety are improved.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a wear-resisting corrosion resistant slurry pump of vertical major axis, including motor protective sheath (1), a serial communication port, the internally mounted of motor protective sheath (1) has the rotation motor, the top of motor protective sheath (1) is fixed with extension board (2), the top of extension board (2) is fixed with fixing base (3), the top of fixing base (3) is fixed with spiral case (4), the output of rotating the motor is fixed with transmission shaft (6), the tip of transmission shaft (6) passes fixing base (3) and spiral case (4) and is located the inside of spiral case (4), the top of transmission shaft (6) is fixed with the sealing washer, the top of sealing washer is equipped with corrosion resistant impeller (7), the bottom of motor protective sheath (1) is fixed with damper (5) that the reduction slurry pump rocked.
2. The vertical long-shaft wear-resistant and corrosion-resistant slurry pump according to claim 1, wherein the damping mechanism (5) comprises a damping chamber (502), a lifting plate (504) is arranged inside the damping chamber (502), symmetrically distributed sliding rods (505) are fixed at positions close to two sides of the top end inside the damping chamber (502), and a first damping spring (506) is sleeved on the outer surface of each sliding rod (505).
3. The vertical long-shaft wear-resistant and corrosion-resistant slurry pump according to claim 2, wherein sliding grooves (507) are symmetrically formed in the positions, close to the two sides, of the inner bottom end of the damping chamber (502), sliding plates (508) are slidably connected to the inner portions of the sliding grooves (507), second damping springs (509) are fixed between one sides of the sliding plates (508) and the sliding grooves (507), and connecting rods (510) are hinged between the tops of the two sliding plates (508) and the two ends of the bottom of the lifting plate (504) and symmetrically distributed.
4. The vertical long-shaft wear-resistant and corrosion-resistant slurry pump according to claim 1, wherein the corrosion-resistant impeller (7) comprises an impeller body (71), a plurality of impeller blades (72) are fixed on one side surface of the impeller body (71), and the impeller blades (72) are circular arc-shaped and are uniformly distributed in an annular shape.
5. The vertical long-shaft wear-resistant and corrosion-resistant slurry pump according to claim 4, wherein a buffer spring (8) is fixed between the corrosion-resistant impeller (7) and the sealing ring, a packing ring (9) is fixed on the outer surface of the transmission shaft (6), and the packing ring (9) is positioned below the sealing ring.
6. The vertical long-shaft wear-resistant and corrosion-resistant slurry pump according to claim 1, wherein a slurry inlet (10) is formed in the top of the volute (4), a working chamber is formed in the top end of the inside of the fixing seat (3), a connecting pipe (11) is fixed to one side of the outside of the fixing seat (3), the connecting pipe (11) is communicated with the inside of the working chamber, the bottom end of the connecting pipe (11) penetrates through the support plate (2) and is fixed with a slurry outlet (12), a spiral blade (13) is fixed to the outer surface of the transmission shaft (6), and the spiral blade (13) is located in the working chamber.
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