CN114715903A - Preparation method of B-type large-pore-volume silica gel - Google Patents
Preparation method of B-type large-pore-volume silica gel Download PDFInfo
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- CN114715903A CN114715903A CN202210521880.1A CN202210521880A CN114715903A CN 114715903 A CN114715903 A CN 114715903A CN 202210521880 A CN202210521880 A CN 202210521880A CN 114715903 A CN114715903 A CN 114715903A
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- silica gel
- reactor
- shell
- communicated
- rotating shaft
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 31
- 239000000741 silica gel Substances 0.000 title claims abstract description 31
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 46
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 29
- 238000006243 chemical reaction Methods 0.000 claims abstract description 26
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000004115 Sodium Silicate Substances 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052911 sodium silicate Inorganic materials 0.000 claims abstract description 5
- 238000004381 surface treatment Methods 0.000 claims abstract description 5
- 238000009818 secondary granulation Methods 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 13
- 239000011148 porous material Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 4
- 229910017053 inorganic salt Inorganic materials 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 150000007529 inorganic bases Chemical class 0.000 claims description 3
- 150000007522 mineralic acids Chemical class 0.000 claims description 3
- 238000002791 soaking Methods 0.000 claims description 3
- 230000036632 reaction speed Effects 0.000 abstract description 4
- 239000012295 chemical reaction liquid Substances 0.000 abstract description 2
- 230000003014 reinforcing effect Effects 0.000 abstract 1
- 239000000243 solution Substances 0.000 description 40
- 239000002244 precipitate Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 3
- RMAQACBXLXPBSY-UHFFFAOYSA-N silicic acid Chemical compound O[Si](O)(O)O RMAQACBXLXPBSY-UHFFFAOYSA-N 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B33/00—Silicon; Compounds thereof
- C01B33/113—Silicon oxides; Hydrates thereof
- C01B33/12—Silica; Hydrates thereof, e.g. lepidoic silicic acid
- C01B33/14—Colloidal silica, e.g. dispersions, gels, sols
- C01B33/141—Preparation of hydrosols or aqueous dispersions
- C01B33/142—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates
- C01B33/143—Preparation of hydrosols or aqueous dispersions by acidic treatment of silicates of aqueous solutions of silicates
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The invention relates to the field of silica gel preparation, and relates to a preparation method of B-type large-pore-volume silica gel, which comprises the following steps: putting a sodium silicate solution and a hydrochloric acid solution into a reactor for reaction, standing and then carrying out secondary granulation; heating and curing; carrying out surface treatment; reinforcing the framework; wherein the adopted reactor is a vortex reactor; the invention enables two reaction liquids to be mixed in a high concentration in the mixing cavity through the pre-reactor with the mixing cavity, the first liquid supply mechanism and the second liquid supply mechanism to carry out a primary reaction, improves the reaction speed, and is ejected from the ejection pipe at a high speed under the action of centrifugal stirring of the stirring plate, so that the mixed liquid after the reaction and the mixed liquid in the shell can easily carry out a secondary contact reaction.
Description
Technical Field
The invention relates to the field of silica gel preparation, in particular to a preparation method of B-type large-pore-volume silica gel.
Background
In the preparation process of the silica gel, raw materials are required to be put into a reaction kettle to react to generate orthosilicic acid, then the orthosilicic acid is granulated and dried, then inorganic salt and inorganic alkali are used for surface treatment, and finally salt solution is used for water bath heating and drying to realize skeleton strengthening.
In the reaction sequence of orthosilicic acid, need realize the mixing reaction of sodium silicate solution and acid solution, traditional vortex formula mixing reactor adopts the reactor that has the toper chamber and stirs the subassembly and stir the mixture, to this type of liquid-liquid reaction, traditional stirring board formula stirring is the rigid collision of stirring board and reaction solution, stirring direction is single, make solution keep uniflow in reation kettle, be unfavorable for the contact between the solution, in addition, the mixing between the solution can't make the quick contact of solution of different parts about in the reactor through traditional stirring board stirring, cause reaction time long.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems in the prior art, the invention aims to provide a method for preparing B-type large pore volume silica gel, which can realize the rapid mixing of different reaction solutions, improve the contact speed and the contact uniformity and improve the overall reaction speed.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A method for preparing B-type large-pore-volume silica gel comprises the following steps:
step one, putting a sodium silicate solution and a hydrochloric acid solution into a reactor for reaction, standing and then carrying out secondary granulation;
step two, heating and curing the silica gel in an environment of 50-80 ℃;
step three, performing surface treatment on the silica gel by adopting inorganic salt and inorganic base;
step four, soaking the silica gel in an inorganic acid solution for water bath, and finally drying at the temperature of 120-200 ℃ to strengthen the skeleton;
wherein the reactor adopted in the first step is a vortex reactor;
the vortex reactor comprises a shell with a conical cavity at the lower part and a pre-reactor arranged at the upper part of the conical cavity; the pre-reactor comprises a mixing cavity arranged at the upper part, a power cavity arranged at the lower part, a stirring plate arranged in the mixing cavity, a rotating shaft fixedly connected with the stirring plate and extending to the upper part of the shell to be connected with a power source, and a first liquid supply mechanism and a second liquid supply mechanism which are communicated with the mixing cavity;
the first liquid supply mechanism comprises a first feed pipe communicated with the upper end of the mixing cavity, a piston cylinder communicated with the lower end of the first feed pipe through a first one-way valve and nested in the power cavity, a liquid inlet arranged at the outer end of the piston cylinder and provided with a second one-way valve, a piston plate slidably nested in the piston cylinder, a clamping rod fixedly connected with the piston plate, and an eccentric groove disc which is slidably clamped with the inner end of the clamping rod and fixedly connected with the lower end of the rotating shaft;
the second liquid supply comprises a conveying channel which is arranged on the inner side of the rotating shaft and extends into the mixing cavity from top to bottom along the rotating shaft, the lower end of the conveying channel is communicated with the mixing cavity, a second feeding pipe which is communicated with the conveying channel and is rotatably connected with the rotating shaft through a rotary joint, and a liquid storage tank which is communicated with the second feeding pipe and is arranged on the top of the shell;
the mixing cavity is tangentially communicated with an ejection pipe which ejects the material and is vertical to the radial direction of the shell.
As a further scheme of the invention: the outer side of the pre-reactor is sleeved with a material guide cylinder, the upper part and the lower part of the material guide cylinder are symmetrically arranged in a conical cylinder shape, and the middle part of the material guide cylinder is in a cylinder shape.
As a further scheme of the invention: the lower part of the guide cylinder extends into the conical cavity, and the lower end of the guide cylinder is fixedly connected with a filter plate.
As a further scheme of the invention: the pre-reactor is fixedly connected with the inner top of the shell through the mounting rod, and the rotating shaft is rotatably connected with the top plate of the shell through the bearing sleeve.
As a further scheme of the invention: the power source comprises a transmission gear set connected with the upper part of the rotating shaft and a driving motor connected with the transmission gear set and installed on the top plate of the shell.
As a further scheme of the invention: the lateral wall of the upper part of the shell is communicated with a main feeding pipe, and the lower part of the shell is communicated with a discharging pipe.
As a further scheme of the invention: the mixing cavity is internally provided with a stirring plate which is distributed in a circumferential manner, and the stirring plate is provided with a through hole.
As a further scheme of the invention: the clamping and connecting rod is a U-shaped frame with an opening at the inner side facing the eccentric groove disc and a group of sliding columns which are arranged oppositely and arranged at the inner side of the opening of the U-shaped frame; the eccentric groove disc is a disc with eccentric circular grooves formed in the upper end face and the lower end face.
As a further scheme of the invention: the part of the rotating shaft between the stirring plates is provided with a feeding hole communicated with the conveying channel.
As a further scheme of the invention: the ejection pipe extends to the outer side of the opening at the upper end of the guide cylinder.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
(1) the invention makes two kinds of reaction liquid mix in high concentration in the mixing cavity through the pre-reactor with mixing cavity, the first liquid supply mechanism and the second liquid supply mechanism, to make the first reaction, to improve the reaction speed, and to spray from the spray pipe under the action of the centrifugal stirring of the stirring plate, to make the reacted mixture liquid and the shell easy to contact and react for the second time, in addition, the material flow direction sprayed from the spray pipe is vertical to the radial direction of the shell, to form a rotational flow in the shell, to replace the traditional stirring plate, to make the solution contact more fully, to improve the reaction uniformity and reaction speed, and to ensure the sediment to settle under the action of rotational flow and gravity.
(2) According to the invention, the guide cover is provided with the conical cylinder with the upper part and the lower part being symmetrical and the middle part being cylindrical, so that the precipitate is precipitated downwards along the inner wall of the shell under the action of rotational flow, the precipitate is rapidly separated from the solution in the middle of the shell, and the solution pumped by the piston cylinder does not contain the precipitate.
(3) According to the invention, the filter plate is arranged at the bottom of the guide cylinder, so that the reaction sediment is isolated from the pre-reactor, and the sediment at the descending bottom of the cyclone is prevented from being raised.
(4) According to the invention, the stirring plate with the through holes is arranged, so that more turbulence is generated in the solution in the mixing cavity, and the mixing effect at high concentration is improved.
(5) According to the invention, the stirring plates distributed in a circumferential manner and the feeding holes arranged among the stirring plates are arranged, so that the solution left from the upper part can quickly enter the mixing cavity, and the mixing speed is ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal structure of the housing according to the present invention;
FIG. 3 is a schematic view of the internal structure of the material guiding cover according to the present invention;
FIG. 4 is a schematic view of the internal structure of a pre-reactor in the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
FIG. 6 is a schematic perspective view of a pre-reactor according to the present invention;
FIG. 7 is a schematic view showing the internal structure of the mixing chamber according to the present invention;
FIG. 8 is a schematic view of the internal structure of the power chamber of the present invention;
FIG. 9 is a schematic structural view of a transmission structure of the present invention;
fig. 10 is a schematic perspective view of a material guiding cover according to the present invention.
The numbering in the figures illustrates:
1. a housing; 1010. a tapered cavity; 2. a total feed pipe; 3. a pre-reactor; 301. a mixing chamber; 302. a power cavity; 4. mounting a rod; 5. a stirring plate; 501. a through hole; 6. a rotating shaft; 601. a delivery channel; 602. a feed port; 7. a first feed tube; 8. a piston cylinder; 9. a first check valve; 10. a second one-way valve; 11. a piston plate; 12. a clamping and connecting rod; 13. an eccentric groove disc; 14. an ejection pipe; 15. a rotary joint; 16. a second feed tube; 17. a liquid storage tank; 18. a material guide cylinder; 19. a filter plate; 20. a discharge pipe; 21. a drive gear set; 22. the motor is driven.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-10, in an embodiment of the present invention, a method for manufacturing B-type large pore volume silica gel includes the following steps:
step one, putting a sodium silicate solution and a hydrochloric acid solution into a reactor for reaction, standing and then carrying out secondary granulation;
step two, heating and curing the silica gel in an environment of 50-80 ℃;
thirdly, performing surface treatment on the silica gel by using inorganic salt and inorganic base;
step four, soaking the silica gel in a water bath by using an inorganic acid solution, and finally drying the silica gel within the range of 120-;
wherein the reactor adopted in the first step is a vortex reactor;
the vortex reactor comprises a shell 1 with a conical cavity 101 at the lower part and a pre-reactor 3 arranged at the upper part of the conical cavity 101; the pre-reactor 3 comprises a mixing cavity 301 arranged at the upper part, a power cavity 302 arranged at the lower part, a stirring plate 5 arranged in the mixing cavity 301, a rotating shaft 6 fixedly connected with the stirring plate 5 and extending to the upper part of the shell 1 to be connected with a power source, and a first liquid supply mechanism and a second liquid supply mechanism which are communicated with the mixing cavity 301;
the first liquid supply mechanism comprises a first feed pipe 7 communicated with the upper end of the mixing cavity 301, a piston cylinder 8 communicated with the lower end of the first feed pipe 7 through a first one-way valve 9 and nested in the power cavity 302, a liquid inlet arranged at the outer end of the piston cylinder 8 and provided with a second one-way valve 10, a piston plate 11 nested in the piston cylinder 8 in a sliding manner, a clamping rod 12 fixedly connected with the piston plate 11, and an eccentric groove disc 13 clamped with the inner end of the clamping rod 12 in a sliding manner and fixedly connected with the lower end of the rotating shaft 6;
the second liquid supply comprises a conveying channel 601 which is arranged on the inner side of the rotating shaft 6 and extends into the mixing cavity 301 from top to bottom along the rotating shaft 6, a second feeding pipe 16 which is communicated with the mixing cavity 301 at the lower end of the conveying channel 601, communicated with the conveying channel 601 and rotatably connected with the rotating shaft 6 through a rotary joint 15, and a liquid storage tank 17 which is communicated with the second feeding pipe 16 and is arranged on the top of the shell 1;
the mixing chamber 301 is tangentially communicated with an ejection pipe 14 which ejects the material in a direction perpendicular to the radial direction of the shell 1.
Specifically, a first reaction solution is injected into the housing 1 to enable the liquid level to exceed the upper end face of the pre-reactor 3, a second reaction solution is placed in the liquid storage tank 17, a power source is started, the second reaction solution enters the rotating shaft 6 through the second feeding pipe 16 and enters the mixing cavity 301, meanwhile, the power source drives the rotating shaft 6 to rotate, the rotating shaft 6 drives the eccentric groove disc 13 to rotate, the eccentric groove disc 13 drives the piston plate 11 to reciprocate in the piston cylinder 8 through the clamping rod 12, the piston cylinder 8 pumps the first reaction solution at the lower part of the housing 1 into the mixing cavity 301, so that the first contact reaction is carried out between the second reaction solution and the first reaction solution in the mixing cavity, the rotating shaft 6 drives the stirring plate 5 to stir, meanwhile, the reaction solution is sprayed out from the spraying pipe 14 under the centrifugal force, and high-speed fluid vertical to the radial direction of the housing is generated and sprayed into the housing 1 to carry out the second contact reaction, and meanwhile, rotational flow is generated under the action of the inner wall of the shell 1, in the whole shell, the solution is sprayed from the upper side to the two sides and flows upwards from the middle part, the solution circularly flows in the shell 1, the precipitation and the solution are contacted and mixed with each other in an accelerating manner, the traditional rigid stirring of a stirring plate is replaced, the mixing between the solutions is accelerated, and the mixing uniformity and efficiency are improved.
In this embodiment, the pre-reactor 3 is fixedly connected with the inner top of the housing 1 through the mounting rod 4, and the rotating shaft 6 is rotatably connected with the top plate of the housing 1 through a bearing sleeve.
Specifically, the mounting rod 4 suspends the pre-reactor 3 in the middle of the housing 1, facilitating the up-and-down circulation flow of the solution.
In the present embodiment, the power source includes a transmission gear set 21 connected to an upper portion of the rotation shaft 6 and a driving motor 22 connected to the transmission gear set 21 and mounted on a ceiling of the housing 1.
Specifically, the driving motor 22 drives the rotating shaft 6 to rotate, and the rotating shaft 6 drives the stirring plate 5 to rotate, so that the centrifugal injection of the solution is realized.
In the present embodiment, the upper side wall of the housing 1 is connected to the main feeding pipe 2, and the lower side wall of the housing 1 is connected to the discharging pipe 20.
In particular, the first solution is rapidly injected into the housing 1 through the main feed pipe 2.
In this embodiment, the mixing chamber 301 is provided with a stirring plate 5 circumferentially distributed therein, and the stirring plate 5 is provided with a through hole 501.
Specifically, the through holes 501 are formed in the stirring plate 5, so that the turbulence degree of the reaction solution in the mixing cavity 301 is increased, and the mixing effect is improved.
In this embodiment, the portion of the rotating shaft 6 between the agitating plates 5 is opened with a feed hole 602 communicating with the conveying passage 601.
Specifically, the mixing effect is improved by arranging the stirring plates 5 and the feeding holes 602 which are circumferentially distributed.
In this embodiment, the clamping rod 12 is a U-shaped frame with an inner opening facing the eccentric slot disc 13 and a set of sliding posts arranged oppositely and installed inside the opening of the U-shaped frame; the eccentric groove disc 13 is a disc with eccentric circular grooves formed in the upper and lower end faces.
Specifically, the rotating shaft 6 drives the eccentric groove disc 13 to rotate, the eccentric groove disc 13 drives the clamping rod 12 to reciprocate, and the clamping rod 12 drives the piston plate 11 to move in the piston cylinder 8, so that the solution at the lower part is sucked.
Note that the first check valve 9 prevents the solution from flowing back into the piston cylinder 8, and the second check valve 10 prevents the solution from flowing back into the housing 1 from the piston cylinder 8.
In another embodiment of the present invention, a material guiding cylinder 18 is sleeved outside the pre-reactor 3, and the upper part and the lower part of the material guiding cylinder 18 are symmetrically arranged cone-shaped cylinders and the middle part is cylindrical.
Specifically, the guide cylinder 18 is arranged, so that the swirling flow swirls between the guide cylinder 18 and the inner wall of the shell 1, and the sedimentation is accelerated.
In this embodiment, the lower portion of the guide cylinder 18 extends into the conical cavity 101, and the lower end of the guide cylinder 18 is fixedly connected with the filtering plate 19.
Specifically, the sediment is prevented from entering the material guide cylinder 18 after being raised by the rotational flow and being sucked by the piston cylinder 8, and the feed inlet of the piston cylinder 8 is prevented from being blocked.
In this embodiment, the discharge pipe 14 extends to the outside of the upper end opening of the guide cylinder 18.
Specifically, the position where the rotational flow is generated is located at the outer side of the material guiding cylinder 18, so that the generated precipitate directly enters the cavity between the outer wall of the material guiding cylinder 8 and the inner wall of the shell 1, and the separation of the precipitate and the solution is accelerated.
The foregoing is only a preferred embodiment of the present invention; the scope of the invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by the equivalent or modified embodiments and the modified concepts of the present invention.
Claims (10)
1. A method for preparing B-type large-pore-volume silica gel is characterized by comprising the following steps: step one, putting a sodium silicate solution and a hydrochloric acid solution into a reactor for reaction, standing and then carrying out secondary granulation; step two, heating and curing the silica gel in an environment of 50-80 ℃; thirdly, performing surface treatment on the silica gel by using inorganic salt and inorganic base; step four, soaking the silica gel in a water bath by using an inorganic acid solution, and finally drying the silica gel within the range of 120-; wherein the reactor adopted in the first step is a vortex reactor;
the vortex reactor comprises a shell (1) with a conical cavity (101) at the lower part and a pre-reactor (3) arranged at the upper part of the conical cavity (101); the pre-reactor (3) comprises a mixing cavity (301) arranged at the upper part, a power cavity (302) arranged at the lower part, a stirring plate (5) arranged in the mixing cavity (301), a rotating shaft (6) fixedly connected with the stirring plate (5) and extending to the upper part of the shell (1) to be connected with a power source, and a first liquid supply mechanism and a second liquid supply mechanism communicated with the mixing cavity (301);
the first liquid supply mechanism comprises a first feed pipe (7) communicated with the upper end of the mixing cavity (301), a piston cylinder (8) communicated with the lower end of the first feed pipe (7) through a first one-way valve (9) and nested in the power cavity (302), a liquid inlet arranged at the outer end of the piston cylinder (8) and provided with a second one-way valve (10), a piston plate (11) slidably nested in the piston cylinder (8), a clamping rod (12) fixedly connected with the piston plate (11), and an eccentric groove disc (13) which is slidably clamped with the inner end of the clamping rod (12) and fixedly connected with the lower end of the rotating shaft (6);
the second liquid supply device comprises a conveying channel (601) which is arranged on the inner side of the rotating shaft (6) and extends into the mixing cavity (301) from top to bottom along the rotating shaft (6), the lower end of the conveying channel (601) is communicated with the mixing cavity (301), a second feeding pipe (16) which is communicated with the conveying channel (601) and is rotatably connected with the rotating shaft (6) through a rotary joint (15), and a liquid storage tank (17) which is communicated with the second feeding pipe (16) and is arranged at the top of the shell (1);
the mixing cavity (301) is tangentially communicated with an ejection pipe (14) which ejects a material and is vertical to the radial direction of the shell (1).
2. The method for manufacturing the B type large pore volume silica gel according to claim 1, wherein a material guide cylinder (18) is sleeved outside the pre-reactor (3), the upper part and the lower part of the material guide cylinder (18) are symmetrically arranged in a conical cylinder shape, and the middle part is in a cylindrical shape.
3. The method for manufacturing the B-type large pore volume silica gel according to claim 2, wherein the lower part of the material guiding cylinder (18) extends into the conical cavity (101) and the lower end of the material guiding cylinder (18) is fixedly connected with a filter plate (19).
4. The method for manufacturing the B-type large pore volume silica gel is characterized in that the pre-reactor (3) is fixedly connected with the inner top of the shell (1) through a mounting rod (4), and the rotating shaft (6) is rotatably connected with the top plate of the shell (1) through a bearing sleeve.
5. The method for manufacturing the B-type large pore volume silica gel is characterized in that the power source comprises a transmission gear set (21) connected with the upper part of the rotating shaft (6) and a driving motor (22) connected with the transmission gear set (21) and installed on the top plate of the shell (1).
6. The method for preparing type B large pore volume silica gel according to claim 1, wherein the side wall of the upper part of the shell (1) is communicated with a main feeding pipe (2), and the lower part of the shell (1) is communicated with a discharging pipe (20).
7. The method for preparing B-type large pore volume silica gel according to claim 1, wherein stirring plates (5) are circumferentially distributed in the mixing cavity (301), and through holes are formed in the stirring plates (5).
8. The method for manufacturing the B type large pore volume silica gel is characterized in that the clamping rods (12) are U-shaped frames with the inner openings facing the eccentric grooved disc (13) and a group of oppositely arranged sliding columns arranged on the inner sides of the openings of the U-shaped frames; the eccentric groove disc (13) is a disc with eccentric circular grooves formed in the upper end face and the lower end face.
9. The method for preparing B-type large pore volume silica gel according to claim 7, wherein the part of the rotating shaft (6) between the stirring plates (5) is provided with a feeding hole (602) communicated with the conveying channel (601).
10. The method for manufacturing the B type large pore volume silica gel according to claim 3, wherein the ejection pipe (14) extends to the outside of the upper end opening of the guide cylinder (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521880.1A CN114715903A (en) | 2022-05-13 | 2022-05-13 | Preparation method of B-type large-pore-volume silica gel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210521880.1A CN114715903A (en) | 2022-05-13 | 2022-05-13 | Preparation method of B-type large-pore-volume silica gel |
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| CN114715903A true CN114715903A (en) | 2022-07-08 |
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| CN202210521880.1A Pending CN114715903A (en) | 2022-05-13 | 2022-05-13 | Preparation method of B-type large-pore-volume silica gel |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443221A (en) * | 2023-12-25 | 2024-01-26 | 天津工大纺织助剂有限公司 | Emulsifying device for textile auxiliary processing |
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2022
- 2022-05-13 CN CN202210521880.1A patent/CN114715903A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117443221A (en) * | 2023-12-25 | 2024-01-26 | 天津工大纺织助剂有限公司 | Emulsifying device for textile auxiliary processing |
| CN117443221B (en) * | 2023-12-25 | 2024-03-08 | 天津工大纺织助剂有限公司 | Emulsifying device for textile auxiliary processing |
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Application publication date: 20220708 |