CN220026997U - Preparation facilities of silica sol polypropylene glycol composite bonding agent - Google Patents
Preparation facilities of silica sol polypropylene glycol composite bonding agent Download PDFInfo
- Publication number
- CN220026997U CN220026997U CN202320919424.2U CN202320919424U CN220026997U CN 220026997 U CN220026997 U CN 220026997U CN 202320919424 U CN202320919424 U CN 202320919424U CN 220026997 U CN220026997 U CN 220026997U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- main part
- motor
- fixedly connected
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 title claims abstract description 21
- 239000002131 composite material Substances 0.000 title claims abstract description 15
- 239000007767 bonding agent Substances 0.000 title description 6
- 229920001451 polypropylene glycol Polymers 0.000 title description 6
- 239000011230 binding agent Substances 0.000 claims abstract description 15
- -1 polypropylene ethanol Polymers 0.000 claims abstract description 11
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 26
- 238000003756 stirring Methods 0.000 claims description 23
- 239000000377 silicon dioxide Substances 0.000 claims description 13
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 4
- 239000004743 Polypropylene Substances 0.000 claims 2
- 229920001155 polypropylene Polymers 0.000 claims 2
- 239000000463 material Substances 0.000 abstract description 16
- 239000007788 liquid Substances 0.000 abstract description 15
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 abstract description 8
- 239000011863 silicon-based powder Substances 0.000 abstract description 7
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000006073 displacement reaction Methods 0.000 description 12
- 239000000843 powder Substances 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 229910052739 hydrogen Inorganic materials 0.000 description 5
- 239000001257 hydrogen Substances 0.000 description 5
- 235000013312 flour Nutrition 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000084 colloidal system Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 239000004115 Sodium Silicate Substances 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 229910052681 coesite Inorganic materials 0.000 description 1
- 229910052906 cristobalite Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003301 hydrolyzing effect Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
- 229910052911 sodium silicate Inorganic materials 0.000 description 1
- 229910052682 stishovite Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052905 tridymite Inorganic materials 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model relates to the technical field of fixed reactors with internal moving elements, and discloses a preparation device of a silica sol and polypropylene ethanol composite binding agent, which comprises a main body, wherein the inside of the main body is hollow, the outer surface of the main body is fixedly connected with a placing block, the upper surface of the placing block is fixedly connected with a first motor, an output shaft of the first motor is fixedly connected with a convex block, the convex block is elliptical in shape, the outer surface of the main body is provided with a T-shaped sliding groove, the outside of the main body is provided with an L-shaped connecting rod, materials are added into the inside of the main body from a feed inlet by staff, the first motor is started subsequently, and finally, the materials in the main body are stirred to different depths, so that the problem that silicon powder floating on the liquid surface cannot fully contact alkaline liquid below in the reaction process of the silicon powder in the existing preparation device is solved.
Description
Technical Field
The utility model relates to the technical field of fixed reactors with internal moving elements, in particular to a preparation device of a silica sol polypropylene ethanol composite binding agent.
Background
Silica sol binders refer to one of the refractory binders. The adhesive is prepared by physically and chemically treating organic compound of sodium silicate or silicon, and is also called silicic acid sol. The silica sol is colorless or milky transparent colloid solution, which is formed by dispersing SiO2 colloid particles in aqueous solution and has good cementing property.
The domestic silica sol production technology mainly comprises an ion exchange method and a silica powder hydrolysis method, wherein the production technology of the silica powder hydrolysis method mainly comprises the steps of adding water into a preparation device, adding an alkaline catalyst, heating to a proper temperature, adding silica powder, and hydrolyzing the silica powder under the catalysis of alkali, but the silica powder can generate hydrogen in the reaction process, and some hydrogen can be attached to fine silica powder in the reaction, so that the problem that the silica powder floating on the liquid surface cannot fully contact with the underlying alkaline liquid exists, the reaction speed is reduced, the production speed is reduced, and resources are wasted.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a preparation device of a silica sol and polypropylene ethanol composite binding agent, which is provided with a first motor which is started subsequently by a worker to add materials into a main body from a feed inlet, so that the materials in the main body are stirred at different depths, the problem that silicon powder floating on the liquid surface cannot fully contact alkaline liquid below in the reaction process of the existing preparation device is solved, and the stirring rod can reciprocate in the main body by starting the first motor, so that the materials in the device are stirred at different depths, further the problem that the silicon powder cannot be stirred due to the suspension of hydrogen above the liquid surface is effectively avoided, the working efficiency of the device is improved, the waste of the materials is avoided, the production cost is saved, and the like, and the problem that the silicon powder floating on the liquid surface cannot fully contact the alkaline liquid below is solved.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a preparation facilities of silica sol polypropylene glycol complex bonding agent, includes the main part, the inside cavity of main part, the surface fixed connection of main part has place the piece, the last surface fixed connection who places the piece has first motor, the output shaft fixedly connected with lug of first motor, the shape of lug is oval, T shape sliding tray has been seted up to the surface of main part, the outside of main part is provided with L shape connecting rod, the lower surface of L shape connecting rod and the surface contact of lug, L shape connecting rod is towards one side surface fixed connection of main part has T shape sliding block, T shape sliding block and T shape sliding tray sliding connection.
Preferably, the upper surface of the cross rod of the L-shaped connecting rod is fixedly connected with a second motor, an output shaft of the second motor penetrates into the upper surface of the L-shaped connecting rod, a first connecting rod is arranged in the main body, the upper part of the first connecting rod penetrates into the lower surface of the transverse plate of the L-shaped connecting rod in a rotating mode, and the upper surface of the first connecting rod is fixedly connected with the output shaft of the second motor.
Preferably, the lower surface fixedly connected with second connecting rod of head rod, head rod and second connecting rod are the slope setting, and the upper portion of second connecting rod is provided with the fixed ball, and the inside cavity of fixed ball, two recesses have all been seted up on the upper and lower both sides surface of fixed ball, and the inside of fixed ball is provided with movable ball.
Preferably, the lower surface of the second connecting rod is fixedly connected with the upper surface of the movable ball through a groove, the stirring rod is arranged at the lower part of the fixed ball, and the upper surface of the stirring rod is fixedly connected with the lower surface of the movable ball through a groove formed in the lower surface of the fixed ball.
Preferably, the outer surface of the fixed ball is fixedly connected with a sliding rod, the inner wall of the main body is provided with a sliding groove, and the sliding rod is in sliding connection with the sliding groove.
Preferably, the upper surface of main part has seted up the feed inlet, and the feed inlet communicates with each other with the inside of main part, and the lower part of main part is provided with the hot plate, and the surface fixedly connected with discharge gate of main part.
(III) beneficial effects
Compared with the prior art, the utility model provides a preparation device of a silica sol polypropylene ethanol composite binding agent, which has the following beneficial effects:
1. this preparation facilities of silica sol polypropylene glycol complex bonding agent, through the inside that the staff added the main part with the material from the feed inlet, follow-up start first motor, finally realize carrying out the stirring of different degree of depth to the inside material of main part, solved current preparation facilities at the silica flour in the reaction in-process, float the silica flour on the liquid level because of unable fully contact alkaline liquid's below problem, the device can carry out reciprocating motion in the inside of main part through starting first motor realization puddler, thereby realize carrying out the stirring of different degree of depth to the inside material of device, and then effectually avoided the silica flour to be stirred because of hydrogen suspension is above the liquid level, the work efficiency of the device has been improved, the waste of material has been avoided, and manufacturing cost is saved.
2. This preparation facilities of silica sol polypropylene glycol complex type binder through starting the second motor, has solved current preparation facilities's agitating unit and has fixed, has the problem at the in-process stirring dead angle to improve the output quality of product, the device practicality is stronger, and need not staff's manual operation.
Drawings
FIG. 1 is a schematic diagram of a preparation apparatus of a silica sol polypropylene ethanol composite binder according to the present utility model;
FIG. 2 is a schematic diagram of the internal structure of a preparation device of a silica sol polypropylene ethanol composite bonding agent of the utility model;
FIG. 3 is a schematic view of the structure of the stirring rod of the utility model;
fig. 4 is an enlarged view at a in fig. 3.
In the figure: 1. a main body; 2. placing a block; 3. a first motor; 4. a bump; 5. a T-shaped sliding groove; 6. an L-shaped connecting rod; 7. a T-shaped sliding block; 8. a second motor; 9. a first connecting rod; 10. a second connecting rod; 11. a fixed ball; 12. a groove; 13. a movable ball; 14. a stirring rod; 15. a slide bar; 16. a sliding groove; 17. a feed inlet; 18. a heating plate; 19. and a discharge port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the preparation facilities of silica sol polypropylene glycol complex type bonding agent, including main part 1, main part 1 inside cavity, the surface fixed connection of main part 1 has placed piece 2, the upper surface fixed connection of placing piece 2 has first motor 3, the output shaft fixedly connected with lug 4 of first motor 3, the shape of lug 4 is oval, T-shaped sliding tray 5 has been seted up to the surface of main part 1, the outside of main part 1 is provided with L-shaped connecting rod 6, the lower surface of L-shaped connecting rod 6 and the surface contact of lug 4, one side surface fixed connection of L-shaped connecting rod 6 towards main part 1 has T-shaped sliding block 7, T-shaped sliding block 7 and T-shaped sliding tray 5 sliding connection, the horizontal pole upper surface fixed connection of L-shaped connecting rod 6 has second motor 8, the output shaft of second motor 8 runs through the upper surface of L-shaped connecting rod 6, the inside of main part 1 is provided with head rod 9, the upper surface of head rod 9 rotates the lower surface of penetration L-shaped connecting rod 6 diaphragm, the output shaft fixed connection of head rod 9 and second motor 8, the head rod 9's lower surface fixed connection has second connecting rod 10 and head rod 10 and the fixed connection of head rod 11, head rod 11 is provided with ball 13 at two upper and lower fixed connection ball 13 fixed surface fixed connection of ball 13, the fixed sphere 13 is provided with the upper and lower surface fixed connection of ball 13, the upper and lower fixed connection of ball 13, the ball fixed connection 11 is provided with the upper and lower fixed surface fixed connection of ball 13 inside the upper and 13, the upper and lower fixed connection of head 11, the upper portion 11 is provided with the upper end of ball fixed connection 11, the outer surface fixedly connected with slide bar 15 of fixed ball 11, slide groove 16 has been seted up to the inner wall of main part 1, slide bar 15 and slide groove 16 sliding connection, and feed inlet 17 has been seted up to the upper surface of main part 1, and feed inlet 17 communicates with each other with the inside of main part 1, and the lower part of main part 1 is provided with hot plate 18, and the surface fixedly connected with discharge gate 19 of main part 1.
The material is added into the main body 1 from the feeding hole 17 by a worker, the second motor 8 is started subsequently, the output shaft of the second motor 8 starts to rotate, the first connecting rod 9 is driven by the output shaft of the second motor 8 to start to rotate, the second connecting rod 10 is driven to rotate by the rotation of the first connecting rod 9, the second connecting rod 10 is changed due to the fact that the connection between the first connecting rod 9 and the second connecting rod 10 is slightly inclined, the second connecting rod 10 moves circularly at the moment, the movable ball 13 is driven to rotate in the fixed ball 11 by the rotation of the second connecting rod 10, the stirring rod 14 is driven to rotate, the stirring rod 14 and the second connecting rod 10 synchronously stir in circular motion at the moment, the follow-up first motor 3 that starts, the output shaft of first motor 3 begins to rotate, drive lug 4 through the output shaft of first motor 3 and rotate, because the shape of lug 4 is oval, consequently, can make L shape connecting rod 6 carry out the displacement from top to bottom through the rotation of lug 4, thereby T shape sliding block 7 can slide in T shape sliding tray 5 inside, the displacement through L shape connecting rod 6 drives the displacement of head rod 9, the displacement through head rod 9 drives fixed ball 11 and carries out the displacement from top to bottom, thereby drive puddler 14 and carry out the displacement from top to bottom, slide rod 15 can slide in sliding tray 16 inside this moment, the stirring of different degree of depth is carried out to the inside material of main part 1 to the final realization.
The device solves the problem that the existing preparation device can not fully contact alkaline liquid below due to the fact that silicon powder floats on the liquid surface in the reaction process, and the device can reciprocate in the main body 1 by starting the first motor 3 to realize that the stirring rod 14 can stir materials in the device at different depths, so that the silicon powder can not be stirred due to the fact that hydrogen is suspended above the liquid surface, the working efficiency of the device is improved, the waste of the materials is avoided, the production cost is saved, meanwhile, the problem that stirring dead angles exist in the stirring process due to the fact that the first connecting rod 9 and the second connecting rod 10 are connected slightly obliquely is solved, the product quality is improved, the device is high in practicality, and manual operation of workers is not needed.
Working principle:
when the preparation device of the silica sol polypropylene ethanol composite binding agent is used, a worker adds materials into the main body 1 from the feed inlet 17, then the second motor 8 is started, the output shaft of the second motor 8 starts to rotate, the first connecting rod 9 is driven by the output shaft of the second motor 8 to start to rotate, the second connecting rod 10 is driven by the rotation of the first connecting rod 9, the second connecting rod 10 is slightly inclined because the connection between the first connecting rod 9 and the second connecting rod 10 is slightly inclined, the second connecting rod 10 rotates, at the moment, the second connecting rod 10 moves circularly, the movable ball 13 is driven to rotate in the fixed ball 11 by the rotation of the second connecting rod 10, and the stirring rod 14 is driven to rotate, at this time, stirring rod 14 and second connecting rod 10 carry out the stirring of circular motion in step, follow-up start first motor 3, the output shaft of first motor 3 begins to rotate, drive lug 4 through the output shaft of first motor 3 and rotate, because the shape of lug 4 is oval, consequently, can make L shape connecting rod 6 carry out the vertical displacement through the rotation of lug 4, thereby T shape sliding block 7 can slide in T shape sliding tray 5 inside, the displacement through L shape connecting rod 6 drives the displacement of head rod 9, the displacement through head rod 9 drives fixed ball 11 and carries out the vertical displacement, thereby drive stirring rod 14 and carry out the vertical displacement, slide rod 15 can slide at the inside sliding tray 16 this moment, finally realize carrying out the stirring of different degree of depth to the inside material of main part 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The preparation device of the silica sol and polypropylene ethanol composite binding agent comprises a main body (1), and is characterized in that: inside cavity of main part (1), the surface fixed connection of main part (1) has placed piece (2), the last fixed surface who places piece (2) is connected with first motor (3), the output shaft fixedly connected with lug (4) of first motor (3), the shape of lug (4) is oval, T shape sliding tray (5) have been seted up to the surface of main part (1), the outside of main part (1) is provided with L shape connecting rod (6), the lower surface of L shape connecting rod (6) and the surface contact of lug (4), one side fixed surface of L shape connecting rod (6) towards main part (1) has T shape sliding block (7), T shape sliding block (7) and T shape sliding tray (5) sliding connection.
2. The preparation device of the silica sol polypropylene ethanol composite binding agent according to claim 1, wherein the preparation device comprises: the horizontal pole upper surface fixedly connected with second motor (8) of L shape connecting rod (6), the output shaft of second motor (8) runs through the upper surface of advancing L shape connecting rod (6), and the inside of main part (1) is provided with head rod (9), and the upper portion of head rod (9) rotates the lower surface of crossing the L shape connecting rod (6), the upper surface of head rod (9) and the output shaft fixed connection of second motor (8).
3. The preparation device of the silica sol polypropylene ethanol composite binding agent according to claim 2, wherein the preparation device is characterized in that: the lower surface fixedly connected with second connecting rod (10) of head rod (9), head rod (9) are slope setting with second connecting rod (10), and the upper portion of second connecting rod (10) is provided with fixed ball (11), and the inside cavity of fixed ball (11) has all been seted up two recess (12) on the upper and lower both sides surface of fixed ball (11), and the inside of fixed ball (11) is provided with movable ball (13).
4. The apparatus for preparing a silica sol-polypropylene ethanol composite binder according to claim 3, wherein: the lower surface of the second connecting rod (10) is fixedly connected with the upper surface of the movable ball (13) through a groove (12), a stirring rod (14) is arranged at the lower part of the fixed ball (11), and the upper surface of the stirring rod (14) is fixedly connected with the lower surface of the movable ball (13) through the groove (12) formed in the lower surface of the fixed ball (11).
5. The device for preparing the silica sol-polypropylene ethanol composite binder according to claim 4, wherein: the outer surface of the fixed ball (11) is fixedly connected with a sliding rod (15), a sliding groove (16) is formed in the inner wall of the main body (1), and the sliding rod (15) is in sliding connection with the sliding groove (16).
6. The preparation device of the silica sol polypropylene ethanol composite binding agent according to claim 1, wherein the preparation device comprises: the upper surface of main part (1) has seted up feed inlet (17), and feed inlet (17) communicate with each other with the inside of main part (1), and the lower part of main part (1) is provided with hot plate (18), and the surface fixedly connected with discharge gate (19) of main part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919424.2U CN220026997U (en) | 2023-04-21 | 2023-04-21 | Preparation facilities of silica sol polypropylene glycol composite bonding agent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320919424.2U CN220026997U (en) | 2023-04-21 | 2023-04-21 | Preparation facilities of silica sol polypropylene glycol composite bonding agent |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220026997U true CN220026997U (en) | 2023-11-17 |
Family
ID=88726647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320919424.2U Active CN220026997U (en) | 2023-04-21 | 2023-04-21 | Preparation facilities of silica sol polypropylene glycol composite bonding agent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220026997U (en) |
-
2023
- 2023-04-21 CN CN202320919424.2U patent/CN220026997U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN220026997U (en) | Preparation facilities of silica sol polypropylene glycol composite bonding agent | |
| CN111203985A (en) | Agitated vessel is used in concrete production | |
| CN207025329U (en) | A kind of herbicide intermediate preparation reactor | |
| CN203508015U (en) | Stearate reaction kettle | |
| CN212651814U (en) | High-efficient mixed reaction tank is used in starch binder production | |
| CN107445584A (en) | A kind of preparation method of high intensity, porous water imbibition geo-polymer | |
| CN206663512U (en) | A kind of concrete central mix plant | |
| CN213412412U (en) | Gypsum grouting equipment for gypsum forming | |
| CN210613703U (en) | Mixing stirring device is used in production of clay stabilizer | |
| CN209237920U (en) | A kind of production equipment of gasoline and diesel hydrogenation antisludging agent | |
| CN207874502U (en) | Heat preservation for producing hollow aerated bricks is framed | |
| CN210905992U (en) | Sealed reinforced battery thick liquids mixer | |
| CN111661852A (en) | Preparation device and process of zirconium silicate powder | |
| CN209901266U (en) | Reaction kettle for synthesizing polycarboxylic acid | |
| CN209155856U (en) | Reactive tank is used in a kind of production of potassium fluosilicate | |
| CN111978051A (en) | Multifunctional foamed concrete and preparation method thereof | |
| CN220129140U (en) | Stirring assembly and concrete stirring tank | |
| CN213971880U (en) | Energy-saving emission-reducing concrete mixer | |
| CN216726822U (en) | Practice thrift cement apparatus for producing of environment-friendly | |
| CN218741935U (en) | Polycarboxylate water reducing agent apparatus for producing | |
| CN215743118U (en) | Material mixing device for processing energy-saving building material heat-insulation board | |
| CN220638433U (en) | Concrete wallboard pouring device | |
| CN204891864U (en) | Production cefprozil parent nucleus is used has double -deck agitating unit's of propulsion reation kettle | |
| CN216237208U (en) | Multifunctional leaching device for lithium carbonate production | |
| CN220697202U (en) | Mould oil injection device for autoclaved aerated concrete blocks |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |