CN216337998U - Air stirring groove draft tube rises and tightly installs - Google Patents
Air stirring groove draft tube rises and tightly installs Download PDFInfo
- Publication number
- CN216337998U CN216337998U CN202122251522.7U CN202122251522U CN216337998U CN 216337998 U CN216337998 U CN 216337998U CN 202122251522 U CN202122251522 U CN 202122251522U CN 216337998 U CN216337998 U CN 216337998U
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- Prior art keywords
- draft tube
- tensioning
- ejector rod
- external thread
- tensioning device
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- 238000003756 stirring Methods 0.000 title claims abstract description 22
- 238000013019 agitation Methods 0.000 claims description 13
- 229920001971 elastomer Polymers 0.000 claims description 7
- 244000043261 Hevea brasiliensis Species 0.000 claims description 3
- 229920003052 natural elastomer Polymers 0.000 claims description 3
- 229920001194 natural rubber Polymers 0.000 claims description 3
- 239000007779 soft material Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 7
- 238000003723 Smelting Methods 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 238000005272 metallurgy Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 10
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 6
- 239000010936 titanium Substances 0.000 description 6
- 229910052719 titanium Inorganic materials 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 239000002585 base Substances 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000011449 brick Substances 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- 239000011152 fibreglass Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 239000010941 cobalt Substances 0.000 description 2
- 229910017052 cobalt Inorganic materials 0.000 description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000011295 pitch Substances 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
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- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses a tensioning device for a guide cylinder of an air stirring tank, belongs to the technical field of metal smelting, and particularly relates to the technical field of air stirring tanks in wet metallurgy, aiming at solving the problems that the existing tensioning device for the guide cylinder of the air stirring tank is difficult to adjust in the use process, the inner wall of the guide cylinder of the air stirring tank is easy to damage due to over-tightening of an ejector rod, and the ejector rod is easy to fall off due to over-tightening of the ejector rod, so that the failure rate of the air stirring tank is high, and the safety stability is poor. The utility model has the advantages of simple structure, convenient assembly, safety and stability.
Description
Technical Field
The utility model relates to the technical field of metal smelting, in particular to the technical field of an air stirring tank in wet metallurgy.
Background
In the nickel electrolytic purification process, 110m is adopted3The air agitation tank (φ 4600X 10000) removes iron and cobalt by strong agitation of compressed air. The tank body of the air stirring tank is made of reinforced concrete, the tank bottom is in an inverted cone shape, and the inner wall of the tank body is lined with glass fiber reinforced plastics and acid-resistant and temperature-resistant ceramic bricks to serve as an anti-corrosion protective layer. A group of guide cylinder devices made of glass fiber reinforced plastic materials are mounted in the center of the tank body, each guide cylinder device comprises a base, a guide cylinder, a tray, a hood and the like, compressed air is blown in from the bottom of the guide cylinder, ore pulp in the cylinder is floated upwards due to the fact that the density of the ore pulp is reduced after air is blown in, the ore pulp flows out from the tray at the upper end of the guide cylinder and flows into the next-stage air stirring tank through a pipeline outside the tank. The air agitation tank is directly heated by steam, and the steam pipe is inserted into the tank through the tank cover. The guide cylinder (phi 680 multiplied by 4160) is divided into an upper section and a lower section, the lower section is inserted in the base, the upper section is inserted in the lower section, four titanium expansion rings are uniformly distributed on the outer wall of each section of the guide cylinder, and each expansion ring is connected with four tensioning devices through bolts.
Five air stirring tanks in the working procedures of purifying, removing iron and cobalt are used in series, and are large reaction tank tanks in the purification working procedure, and the safety and stability of the guide cylinder determine the production operation of the stirring tanks in the production process. Because the tensioning device of the original design has difficulty in adjustment in the use process, the ejector rod is too tight, the inner wall brickwork is easy to damage, the ejector rod is too loose, the ejector rod can lose efficacy due to acting force under the interference of powerful vibration of compressed air, the ejector rod falls off, the problem becomes an important factor restricting the stability of the guide cylinder, the important aspect influencing the stable operation of production is also caused, the improved design of the tensioning device is needed, the structure is optimized, and the safety and stability of the air stirring tank are improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to: the utility model provides an air stirring groove draft tube rises and tightly installs to there is the adjustment difficulty in the use in the former draft tube rises and tightly installs, and the ejector pin is too tight easily destroys the inner wall, and the ejector pin is too loose easily to be taken off, and then leads to the problem that air stirring groove fault rate is high, and safety and stability is poor.
The utility model specifically adopts the following technical scheme for realizing the purpose:
the guide cylinder tensioning device for the air stirring tank comprises a tensioning sleeve, wherein one end of the tensioning sleeve is in threaded connection with a guide rod, the other end of the tensioning sleeve is in threaded connection with an ejector rod, nuts are respectively sleeved on the guide rod and the ejector rod on two sides of the tensioning sleeve, one end, far away from the tensioning sleeve, of the ejector rod is an arc surface, and a lining layer is sleeved outside the arc surface.
The use and working process comprises the following steps: the guide rod of the tensioning device is connected with the titanium expansion ring on the outer wall of the guide cylinder through a titanium bolt, the perpendicularity of the guide cylinder is positioned by adjusting the thread pitch of the ejector rod and the guide rod through a left nut and a right nut, after enough prestress is generated between the head of the ejector rod and the inner wall of the tank body at the vertical position, the position is determined, the nut is tightened and locked, the ejector rod is tightly combined with the inner wall of the tank body of the air stirring tank, and the fastening operation is realized. Furthermore, when the left nut and the right nut are adjusted, the pin shaft is inserted into the cross hole, and the expansion sleeve is rotated, so that the fastening efficiency is improved. Set up to the arc surface unanimous with the reaction tank cell body radian and establish the rubber lining layer through top rod head, make the contact of ejector pin and cell body inner wall change into the face contact by line contact, enlarged area of contact and frictional force during fastening operation, strengthened the safety and stability who rises and tightly installs, the nut that rises simultaneously tight cover both sides plays the effect of adjusting the ejector pin elasticity.
The end, where the ejector rod arc surface is located, is of a T-shaped structure, and the end, away from the tensioning sleeve, of the T-shaped structure is of a square arc surface.
The radius of the square arc surface is 1000-3000 mm.
And a cross-shaped through hole is formed in the middle of the expansion sleeve.
The nut is a T-shaped nut.
The lining rubber layer is made of natural rubber pre-vulcanized soft materials.
The guide rod is provided with a first external thread at one end connected with the tensioning sleeve, a second external thread at one end connected with the tensioning sleeve is arranged on the ejector rod, and internal threads matched with the first external thread and the second external thread are arranged at two ends of the tensioning sleeve.
The first external thread and the second external thread are trapezoidal threads.
The guide cylinder tensioning device for the air stirring tank has the following advantages:
1. the head part of the ejector rod is changed into an arc surface consistent with the radian of the groove body of the reaction groove, so that the contact between the ejector rod and the inner wall of the groove body is changed from line contact into surface contact, the contact area is enlarged during fastening operation, and the safety and the stability of the tensioning device are enhanced;
2. one end of the ejector rod is a square arc surface, so that the ejector rod can be in full contact with the inner wall of the tank body and is not easy to fall off, and the square structure is also beneficial to keeping the tensioning device vertical to the tank body wall and regulating the verticality of the guide cylinder;
3. the middle position of the tensioning sleeve is provided with a cross-shaped through hole, the pin shaft is inserted into the cross-shaped hole when the left nut and the right nut are adjusted, and the tensioning sleeve is rotated, so that the fastening operation efficiency is further improved;
4. the nuts at the two ends of the tensioning sleeve are T-shaped nuts, so that the mounting and the dismounting are convenient, and the use is time-saving and labor-saving;
5. the arc surface of the ejector rod of the tensioning device is added with an anti-corrosion and wear-resistant soft lining glue layer, so that the slipping phenomenon is effectively overcome; meanwhile, the inner wall ceramic brick anticorrosive coating is protected from being damaged by extrusion during the fastening operation of the ejector rod;
6. the originally designed tensioning device causes the problem of fastening the tensioning device and the groove body due to insufficient stroke of the tensioning sleeve, the stroke of the tensioning sleeve is increased, and the problem of insufficient stroke of the tensioning device due to irregular roundness of the groove body and design error of a drawing is solved;
7. the device disclosed by the utility model is simple in structure, convenient to assemble, capable of resisting strong acid and alkali corrosion, high in strength and beneficial to improving the safety and stability of the guide cylinder.
Drawings
The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the connecting piston ring of the present invention;
FIG. 3 is a schematic structural view of an air agitation tank;
reference numerals
The device comprises a guide rod 1, a nut 2, a tensioning sleeve 3, a top rod 4, a lining layer 5, a groove 21, a piston ring 22, a tensioning device 23 and a guide cylinder 24.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.
Example 1
As shown in fig. 1, the tensioning device for the guide cylinder of the air stirring tank comprises a guide rod 1, a nut 2, a tensioning sleeve 3, a top rod 4 and a lining layer 5, wherein internal threads are arranged at the left end and the right end of the tensioning sleeve 3 and are respectively connected with threaded ends at the right end of the guide rod 1 and the left end of the top rod 4, the nut 2 is further arranged at the left end and the right end of the tensioning sleeve 3, the other end of the guide rod 1 is connected with a tensioning ring arranged on the outer wall of the guide cylinder, the other end of the top rod 4 is connected with a stirring tank body, the head of the other end of the top rod 4 is an arc surface consistent with the radian of the stirring tank body, and the lining layer 5 is sleeved outside the arc surface.
The top rod is arranged to be an arc surface consistent with the radian of the groove body of the reaction groove, so that the contact between the top rod and the inner wall of the groove body is changed from the original line contact into surface contact, the contact area is enlarged during fastening operation, and the safety and stability of the tensioning device are enhanced.
Example 2
As shown in fig. 1, based on embodiment 1, one end of the ejector rod 4 where the arc surface is located is a T-shaped structure, and one end of the T-shaped structure away from the tensioning sleeve 3 is a square arc surface. Preferably, the radius R of the square arc surface is in the range of 1000-. The big head of the T-shaped ejector rod 4 is a square arc surface, so that the ejector rod 4 can be in full contact with the inner wall of the tank body and is not easy to fall off, and the square structure is also beneficial to keeping the tension device vertical to the wall of the tank body and adjusting the verticality of the guide cylinder.
Example 3
As shown in fig. 1, according to embodiment 1, a cross-shaped through hole is provided in the middle of the tightening sleeve 3, and when the left and right nuts are tightened and adjusted, the pin shaft is inserted into the cross-shaped hole to rotate the tightening sleeve, thereby further improving the tightening efficiency.
Example 4
As shown in fig. 1, based on embodiment 1, the nut 2 is a T-shaped nut, the rubber lining layer is a natural rubber pre-vulcanized soft rubber lining layer, the preferable thickness is 5mm, the guide rod is connected with the piston ring by a titanium bolt, a first external thread is arranged at one end of the guide rod 1 connected with the tensioning sleeve 3, a second external thread is arranged at one end of the ejector rod 4 connected with the tensioning sleeve 3, internal threads matched with the first external thread and the second external thread are arranged at two ends of the tensioning sleeve 3, the first external thread and the second external thread are trapezoidal threads, the size of the first external thread and the second external thread can be selected to be Tr50 × 8, the travel of the tensioning sleeve is 200-300mm, the preferable 250mm, and the guide rod, the ejector rod, the tensioning sleeve and the nut are all made of TA 2.
The nut is a T-shaped nut, so that the installation and the uninstallation are convenient, and the use is time-saving and labor-saving; the arc surface of the ejector rod of the tensioning device is added with an anti-corrosion and wear-resistant soft lining glue layer, so that the slipping phenomenon is effectively overcome; meanwhile, the inner wall ceramic brick anticorrosive coating is protected from being damaged by extrusion during the fastening operation of the ejector rod; the first external thread and the second external thread are trapezoidal threads, and the internal external thread is tightly attached by a conical surface and is not easy to loosen; the stroke of the tensioning sleeve of the tensioning device in the original design is 200mm, and the tensioning device is not fastened with the groove body due to insufficient stroke; each part of the tensioning device is made of TA2 material, can resist strong acid and strong alkali, has strong corrosion resistance and high strength, and is favorable for improving the safety and stability of the guide cylinder.
Application example
As shown in fig. 2, in this embodiment, the tensioning device 23 is applied to the draft tube 24 of the air agitation tank, during installation, the base of the glass fiber reinforced plastic draft tube 24 is installed at the center of the air agitation tank, after the verticality is adjusted, the lower section of the first section of draft tube 24 (phi 680 × 4160) is inserted into the base, four titanium expansion rings 22 are installed on the outer wall of each section of draft tube 24, each expansion ring 22 is connected with the guide rods 1 of the four tensioning devices 23 by titanium bolts, the verticality of the draft tube 24 is positioned by adjusting the screw pitches of the ejector rod 4 and the guide rods 1 when the draft tube 24 is installed, after the head of the ejector rod 4 generates enough prestress with the inner wall of the tank body 21 at the vertical position, the position is determined, the nut is tightened and locked, so that each ejector rod 4 can be tightly combined with the inner wall of the tank body 21, after the first section of draft tube 24 is fixed, the second section of draft tube 24 is inserted into the lower section of draft tube 24, the adjustment and fastening are carried out according to the method, the technical requirement is that the guide shell 24 is firmly fixed during installation, the verticality meets the requirement, and the guide shell does not shake and loosen.
The guide cylinder tensioning device is simple in structure, corrosion-resistant and good in stability, and solves the problems of high failure rate and poor safety and stability of the original guide cylinder tensioning device in the using process.
Claims (8)
1. The utility model provides an air stirring groove draft tube rises and tightly installs which characterized in that: the device is characterized by comprising a tensioning sleeve (3), wherein one end of the tensioning sleeve (3) is in threaded connection with a guide rod (1), the other end of the tensioning sleeve (3) is in threaded connection with an ejector rod (4), the guide rod (1) and the ejector rod (4) on the two sides of the tensioning sleeve (3) are respectively sleeved with a nut (2), one end, far away from the tensioning sleeve (3), of the ejector rod (4) is an arc surface, and a lining rubber layer (5) is sleeved outside the arc surface.
2. The air agitation tank draft tube tensioning device according to claim 1, wherein: the end, where the arc surface of the ejector rod (4) is located, is of a T-shaped structure, and the end, away from the tensioning sleeve (3), of the T-shaped structure is of a square arc surface.
3. The air agitation tank draft tube tensioning device according to claim 2, wherein: the radius of the square arc surface is 1000-3000 mm.
4. The air agitation tank draft tube tensioning device according to claim 1, wherein: the middle position of the expansion sleeve (3) is provided with a cross-shaped through hole.
5. The air agitation tank draft tube tensioning device according to claim 1, wherein: the nut (2) is a T-shaped nut.
6. The air agitation tank draft tube tensioning device according to claim 1, wherein: the lining rubber layer (5) is a lining rubber layer (5) made of natural rubber pre-vulcanized soft materials.
7. The air agitation tank draft tube tensioning device according to claim 1, wherein: one end of the guide rod (1) connected with the tensioning sleeve (3) is provided with a first external thread, one end of the ejector rod (4) connected with the tensioning sleeve (3) is provided with a second external thread, and two ends of the tensioning sleeve (3) are provided with internal threads matched with the first external thread and the second external thread.
8. The air agitation tank draft tube tensioning device according to claim 7, wherein: the first external thread and the second external thread are trapezoidal threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251522.7U CN216337998U (en) | 2021-09-16 | 2021-09-16 | Air stirring groove draft tube rises and tightly installs |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122251522.7U CN216337998U (en) | 2021-09-16 | 2021-09-16 | Air stirring groove draft tube rises and tightly installs |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216337998U true CN216337998U (en) | 2022-04-19 |
Family
ID=81173049
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122251522.7U Active CN216337998U (en) | 2021-09-16 | 2021-09-16 | Air stirring groove draft tube rises and tightly installs |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216337998U (en) |
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2021
- 2021-09-16 CN CN202122251522.7U patent/CN216337998U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240227 Address after: 737100 No. 2 Lanzhou Road, Beijing Road Street, Jinchuan District, Jinchang City, Gansu Province Patentee after: Jinchuan Group Nickel Cobalt Co.,Ltd. Country or region after: China Address before: 737104 No. 98, Jinchuan Road, Jinchuan District, Jinchang City, Gansu Province Patentee before: JINCHUAN GROUP Co.,Ltd. Country or region before: China |