CN109158033B - Stirring water filtering device for tetramethylammonium hydroxide production - Google Patents
Stirring water filtering device for tetramethylammonium hydroxide production Download PDFInfo
- Publication number
- CN109158033B CN109158033B CN201811241305.6A CN201811241305A CN109158033B CN 109158033 B CN109158033 B CN 109158033B CN 201811241305 A CN201811241305 A CN 201811241305A CN 109158033 B CN109158033 B CN 109158033B
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- box body
- gear
- frame
- shaped rotating
- rotating frame
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 43
- WGTYBPLFGIVFAS-UHFFFAOYSA-M tetramethylammonium hydroxide Chemical compound [OH-].C[N+](C)(C)C WGTYBPLFGIVFAS-UHFFFAOYSA-M 0.000 title claims abstract description 42
- 238000003756 stirring Methods 0.000 title claims abstract description 38
- 238000001914 filtration Methods 0.000 title claims abstract description 30
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 14
- 230000001681 protective effect Effects 0.000 claims description 4
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 claims 2
- 239000000047 product Substances 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000006872 improvement Effects 0.000 description 4
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000001680 brushing effect Effects 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 238000009795 derivation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F29/00—Mixers with rotating receptacles
- B01F29/80—Mixers with rotating receptacles rotating about a substantially vertical axis
- B01F29/83—Mixers with rotating receptacles rotating about a substantially vertical axis with rotary paddles or arms, e.g. movable out of the receptacle
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/01—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements
- B01D29/03—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with flat filtering elements self-supporting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/64—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element
- B01D29/6407—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes
- B01D29/6415—Regenerating the filter material in the filter by scrapers, brushes, nozzles, or the like, acting on the cake side of the filtering element brushes with a rotary movement with respect to the filtering element
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/86—Separation
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
- Filtration Of Liquid (AREA)
Abstract
The invention discloses a stirring water filtering device for tetramethylammonium hydroxide production, which comprises a workbench and a processing box body, wherein the processing box body comprises an inner box body and an outer box body, a water guide filter cavity is formed between the inner box body and the outer box body, a rotating motor is arranged in the middle of the top end outside the processing box body, a rotating shaft is arranged in the middle of the inner cavity of the processing box body, stirring rods are uniformly arranged outside the rotating shaft, a grooved pulley driving mechanism is arranged at the bottom end outside the inner box body, the grooved pulley driving mechanism consists of a lower disc-shaped rotating frame, an upper disc-shaped rotating frame, a driving gear, a driven gear and a driving cylinder, a water guide filter assembly is arranged in the water guide filter cavity, and the water guide filter assembly comprises a circular truncated cone-shaped filter frame body, a movable shaft, bristles and a transmission gear.
Description
Technical Field
The invention relates to the field of tetramethylammonium hydroxide production equipment, in particular to a stirring water filtering device for tetramethylammonium hydroxide production.
Background
The tetramethylammonium hydroxide can be prepared by adopting various reagents for mixing reaction, and the tetramethylammonium hydroxide is usually required to be stirred during preparation, and the conventional stirring mode is usually that a stirring shaft drives a stirring rod to rotate to realize stirring, so that the stirring mode is single and the stirring efficiency is low; the tetramethyl ammonium hydroxide prepared by the reagent reaction may contain other chemical solid impurities, so that the purity of the prepared product is not high, and if a filter screen is adopted for filtering, the problem of the mesh blockage of the filter screen is troublesome, so that a stirring water filtering device for the tetramethyl ammonium hydroxide production is needed.
Disclosure of Invention
In order to solve the problems, the invention discloses a stirring water filtering device for producing tetramethyl ammonium hydroxide, which drives a stirring rod to rotate and stir by a stirring shaft and drives a stirring box body to reversely and intermittently rotate, so that the stirring efficiency is improved, the solid impurities in the prepared tetramethyl ammonium hydroxide are led out, the occurrence probability of a filter screen mesh blocking phenomenon is reduced, and the purity of a product is improved.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a tetramethyl ammonium hydroxide production is with stirring water filter device, includes the processing box that workstation and workstation upper end were equipped with, processing box is hollow cylinder and its including interior box, outer box, interior box with form the water guide filter chamber between the outer box, processing box outer top middle part is equipped with the rotation motor, processing box inner chamber middle part and be equipped with the axis of rotation along vertical direction, the axis of rotation outside just evenly is equipped with the puddler along vertical direction equidistance, interior box outer bottom is equipped with sheave actuating mechanism, sheave actuating mechanism comprises lower disc rotating turret, last disc rotating turret, drive gear, driven gear and drive cylinder, be equipped with the filtration subassembly that leads water in the filtration chamber, the filtration subassembly that leads water includes round platform shape filter holder body, loose axle, brush hair and drive gear. The rotating motor drives the stirring rod to rotate through the rotating shaft, so that the internal stirring of the processing box body is realized, the grooved pulley driving mechanism drives the internal box body to rotate in a reverse clearance manner while the internal stirring of the processing box body is realized, and the water guide filtering assembly realizes the filtering of the product after the reaction in the processing box body.
As an improvement of the invention, the upper disc-shaped rotating frame is positioned above the lower disc-shaped rotating frame, a connecting frame is uniformly arranged at the equal radian between the edge of the upper end of the lower disc-shaped rotating frame and the outer bottom end of the inner box body, the top end of the rotating shaft movably penetrates through the top end parts of the inner box body and the outer box body and is connected with the output shaft of the rotating motor through a coupler, the bottom end of the rotating shaft movably penetrates through the bottom end parts of the inner box body and the outer box body and is sleeved with the driving gear, the driven gear is arranged beside the horizontal position of the corresponding driving gear, the upper disc-shaped rotating frame is positioned under the position of the driven gear, and a transmission shaft is arranged between the rotating end of the driven gear and the rotating end of the upper disc-shaped rotating frame. The rotation shaft drives the driving gear to rotate, the driving gear drives the driven gear to rotate, the driven gear drives the upper disc-shaped rotating frame to rotate through the transmission shaft, and the transmission shaft realizes movable fixing of the position.
As an improvement of the invention, a circular through groove is formed in the center of the lower disc-shaped rotating frame, strip-shaped grooves are uniformly formed in the lower disc-shaped rotating frame and correspond to the circular center of the horizontal cross section of the lower disc-shaped rotating frame, one ends of the strip-shaped grooves are communicated with the inner end of the circular through groove, the edge of the lower end of the upper disc-shaped rotating frame is provided with the driving column, and the outer bottom end of the inner box body is provided with the protective cover. The driving cylinder moves along the length direction of the strip-shaped groove, and is designed by adopting the principle of a grooved pulley mechanism, and the grooved pulley driving mechanism is arranged in the protective housing.
As an improvement of the invention, the upper end and the lower end of the truncated cone-shaped filter frame body are opened, the cross-sectional area of the upper port is larger than that of the lower port, the upper port of the truncated cone-shaped filter frame body is fixedly sleeved at the outer bottom end of the inner box body, the outer end wall of the bottom side of the truncated cone-shaped filter frame body and the inner end wall of the outer box body are movably arranged, the bottom side of the inner box body is provided with a water outlet, the movable shaft is arranged in parallel with the side end of the truncated cone-shaped filter frame body at intervals, one end in the length direction of the movable shaft is movably arranged with the inner end wall of the outer box body, the other end of the movable shaft is sleeved with the transmission gear, tooth grooves which are mutually matched with the transmission gear are uniformly arranged at the outer side of the inner box body along the circumferential direction of the inner box body and correspond to the position of the transmission gear, the transmission gear is a bevel gear, a discharge opening is formed at the outer side of the outer box body and corresponds to the lower side of the bottom position of the truncated cone-shaped filter frame body, and the inner ends of the discharge opening are respectively provided with an electric control valve. The inner box body rotates to drive the movable shaft to rotate through the matching of tooth grooves on the outer part of the inner box body and the tooth teeth on the outer part of the transmission gear, and the movable shaft drives the brush hair to rotate to clean the circular truncated cone-shaped filter frame body, and the inner box body rotates to drive the circular truncated cone-shaped filter frame body to rotate.
As an improvement of the invention, four corners of the bottom end of the workbench are respectively provided with supporting legs, the lower end of the workbench is provided with a water collecting tank body, the bottom end in the outer tank body is communicated with the upper end of the inner cavity of the water collecting tank body through a pipeline, the top of the processing tank body is provided with a feeding port, and the outer tank body and the inner tank body are movably arranged. The outer box body is fixedly arranged, the inner box body is movably arranged, and the inner box body can freely rotate.
Compared with the prior art, the invention has the following advantages: the device is when realizing that the (mixing) shaft drives the puddler and rotates the stirring, and the sheave actuating mechanism that is equipped with drives the reverse intermittent type nature rotation of stirring box, improves stirring efficiency, and the derivation of solid impurity in the tetramethyl ammonium hydroxide that realizes preparing is being filtered to the water guide that is equipped with, when improving product purity, drives the brush hair through the loose axle and clear up the emergence probability that reduces filter screen mesh blocking phenomenon to filter screen surface.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a stirring and water filtering device for producing tetramethyl ammonium hydroxide;
FIG. 2 is a schematic plan view of a partial structure of the sheave drive mechanism;
FIG. 3 is a schematic plan view of the water guide filter assembly;
list of reference numerals: 1. a work table; 2. processing the box body; 3. a water-conducting filter chamber; 4. a rotating motor; 5. a rotating shaft; 6. a stirring rod; 7. a sheave drive mechanism; 8. a lower disc-shaped rotating frame; 9. an upper disc-shaped rotating frame; 10. a drive gear; 11. a driven gear; 12. driving the column; 13. a water-conducting filter assembly; 14. a truncated cone-shaped filter frame body; 15. a movable shaft; 16. brushing; 17. a transmission gear; 18. a transmission shaft; 19. a connecting frame; 20. a circular through groove; 21. a bar-shaped groove; 22. a water collecting tank body.
Detailed Description
Example 1: referring to fig. 1, fig. 2 and fig. 3, the stirring water filtering device for tetramethylammonium hydroxide production provided by the invention is now described, and comprises a workbench 1 and a processing box body 2 arranged at the upper end of the workbench 1, wherein the processing box body 2 is hollow and cylindrical and comprises an inner box body and an outer box body, a water guide filter cavity 3 is formed between the inner box body and the outer box body, a rotating motor 4 is arranged in the middle of the top end of the processing box body 2, a rotating shaft 5 is arranged in the middle of the inner cavity of the processing box body 2 in the vertical direction, stirring rods 6 are uniformly arranged outside the rotating shaft 5 in the vertical direction at equal intervals, a sheave driving mechanism 7 is arranged at the bottom end of the outer part of the inner box body, the sheave driving mechanism 7 consists of a lower disc-shaped rotating frame 8, an upper disc-shaped rotating frame 9, a driving gear 10, a driven gear 11 and a driving cylinder 12, a water guide filter component 13 is arranged in the water guide filter cavity 3, and the water guide filter component 13 comprises a circular table-shaped filter frame 14, a movable shaft 15, bristles 16 and a transmission gear 17.
Example 2: referring to fig. 1 and 2, the stirring water filtering device for producing tetramethyl ammonium hydroxide provided by the invention is described, the upper disc-shaped rotating frame 9 is positioned above the position of the lower disc-shaped rotating frame 8, a connecting frame 19 is uniformly arranged between the edge of the upper end of the lower disc-shaped rotating frame 8 and the outer bottom end of the inner box body in an equal radian manner, the top end of the rotating shaft 5 movably penetrates through the top ends of the inner box body and the outer box body and is connected with the output shaft of the rotating motor 4 through a coupling, the bottom end of the rotating shaft 5 movably penetrates through the bottom ends of the inner box body and the outer box body and is extended out, the extending end of the bottom end of the rotating shaft 5 is sleeved with the driving gear 10, the driven gear 11 is arranged beside the horizontal position corresponding to the driving gear 10, the upper disc-shaped rotating frame 9 is positioned under the position of the driven gear 11, and a transmission shaft 18 is arranged between the rotating end of the driven gear 11 and the rotating end of the upper disc-shaped rotating frame 9.
Example 3: referring to fig. 1 and 2, the stirring water filtering device for producing tetramethyl ammonium hydroxide provided by the invention is now described, a circular through groove 20 is formed in the center of the lower disc-shaped rotating frame 8, a strip groove 21 is uniformly formed in the lower disc-shaped rotating frame 8 and corresponds to the circular center of the horizontal cross section of the lower disc-shaped rotating frame, one end of the strip groove 21 is communicated with the inner end of the circular through groove 20, the edge of the lower end of the upper disc-shaped rotating frame 9 is provided with the driving cylinder 12, and the outer bottom end of the inner box body is provided with a protective cover.
Example 4: referring to fig. 1 and 3, the stirring water filtering device for producing tetramethyl ammonium hydroxide provided by the invention is now described, the upper end and the lower end of the circular truncated cone-shaped filtering frame body 14 are opened, the cross-sectional area of the upper end port is larger than that of the lower end port of the circular truncated cone-shaped filtering frame body 14, the upper end port of the circular truncated cone-shaped filtering frame body 14 is fixedly sleeved at the outer bottom end of the inner box body, a water outlet is movably arranged between the outer end wall of the bottom side of the circular truncated cone-shaped filtering frame body 14 and the inner end wall of the outer box body, the movable shaft 15 is arranged in parallel with the side end of the circular truncated cone-shaped filtering frame body 14, one end of the length direction of the movable shaft 15 is movably arranged with the inner end wall of the outer box body, the other end of the movable shaft is sleeved with the transmission gear 17, tooth grooves which are mutually matched with the transmission gear 17 are uniformly arranged along the circumferential direction of the outer side of the inner box body and correspond to the position of the transmission gear 17, the transmission gear 17 is a bevel gear, a discharging opening is arranged below the outer side of the outer box body and corresponds to the position of the bottom of the circular truncated cone-shaped filtering frame body 14, and the discharging opening is respectively provided with an electric control valve.
Example 5: referring to fig. 1, the stirring and water filtering device for producing tetramethyl ammonium hydroxide provided by the invention is described, the four corners of the bottom end of the workbench 1 are respectively provided with supporting legs, the lower end of the workbench 1 is provided with a water collecting tank 22, the bottom end in the outer tank is communicated with the upper end of the inner cavity of the water collecting tank 22 through a pipeline, the top of the processing tank 2 is provided with a feeding port, and the outer tank and the inner tank are movably arranged.
The present invention can also combine at least one of the technical features described in examples 2, 3, 4, 5 with example 1 to form a new embodiment.
Working principle: the rotating motor drives the rotating shaft to rotate, the rotating shaft drives the stirring rod to rotate so as to realize stirring reaction of reagents added in the processing box body, the rotating shaft rotates to drive the driven gear to rotate through the driving gear, the driven gear rotates to drive the upper disc-shaped rotating frame to rotate through the driving shaft, the position of the driving shaft is movably fixed, the rotation of the upper disc-shaped rotating frame drives the driving cylinder to rotate along the length direction of the strip-shaped groove so as to drive the lower disc-shaped rotating frame to rotate, and the rotation of the lower disc-shaped rotating frame drives the inner box body to reversely rotate in a clearance mode through the connecting frame, so that stirring efficiency is improved. The outlet is used for the discharge of interior box internal reaction product, and interior box rotates and drives the loose axle through its outside tooth's socket and the outside teeth of a cogwheel of drive gear and rotate, and the loose axle drives the brush hair and rotates and clear up round platform shape filtration support body, and interior box rotates and can drive round platform shape filtration support body and rotate, and round platform shape filtration support body carries out the filtration of discharged product, and the brush hair is cleared up round platform shape filtration support body surface, also realizes the export of filtered debris when reducing filter screen mesh jam probability. The water collecting tank body is used for collecting the filtered reaction liquid, the outer tank body is fixedly arranged, and the inner tank body is movably arranged.
The technical means disclosed by the scheme of the invention is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the invention may occur to one skilled in the art without departing from the principles of the present invention and are intended to be within the scope of the present invention.
Claims (2)
1. The utility model provides a tetramethyl ammonium hydroxide production is with stirring water filter device, includes processing box (2) that workstation (1) and workstation (1) upper end were equipped with, a serial communication port, processing box (2) are cavity cylindrical and it includes interior box, outer box, interior box with form water guide filter chamber (3) between the outer box, processing box (2) outer top middle part is equipped with rotation motor (4), processing box (2) inner chamber middle part and along vertical direction are equipped with axis of rotation (5), axis of rotation (5) outside just evenly is equipped with puddler (6) along vertical direction equidistance, interior box outer bottom is equipped with sheave actuating mechanism (7), sheave actuating mechanism (7) are by lower disc rotating turret (8), go up disc rotating turret (9), driving gear (10), driven gear (11) and drive cylinder (12) and constitute, be equipped with water guide filter assembly (13) in water guide filter chamber (3), water guide filter assembly (13) include round platform shape filter turret (14), loose axle (16) and drive gear (17);
the upper disc-shaped rotating frame (9) is positioned above the position of the lower disc-shaped rotating frame (8), a connecting frame (19) is uniformly arranged at the equal radian between the edge of the upper end of the lower disc-shaped rotating frame (8) and the outer bottom end of the inner box body, the top end of the rotating shaft (5) movably penetrates through the inner box body and the top end of the outer box body and is connected with an output shaft of the rotating motor (4) through a coupling, the bottom end of the rotating shaft (5) movably penetrates through the bottom end of the inner box body and the bottom end of the outer box body and is extended out, the extending end of the bottom end of the rotating shaft (5) is sleeved with a driving gear (10), a driven gear (11) is arranged beside the horizontal position of the driving gear (10), the upper disc-shaped rotating frame (9) is positioned right below the position of the driven gear (11), and a transmission shaft (18) is arranged between the rotating end of the driven gear (11) and the rotating end of the upper disc-shaped rotating frame (9).
The center part of the lower disc-shaped rotating frame (8) is provided with a circular through groove (20), the lower disc-shaped rotating frame (8) is uniformly provided with a strip groove (21) corresponding to the equal radian of the circle center position of the horizontal cross section of the lower disc-shaped rotating frame, one end of the strip groove (21) is communicated with the inner end of the circular through groove (20), the edge of the lower end of the upper disc-shaped rotating frame (9) is provided with a driving column body (12), and the outer bottom end of the inner box body is provided with a protective cover;
the utility model discloses a rotary table type filter frame body, including inner box body, movable shaft (15), gear (17) and gear (17) are fixed to be overlapped in its lower port cross sectional area in round table shape filter frame body (14) upper end port, round table shape filter frame body (14) bottom side outer end wall with activity setting between the inner end wall of outer box body, open the interior box bottom side has the outlet, movable shaft (15) corresponds round table shape filter frame body (14) side interval parallel arrangement, movable shaft (15) length direction one end with the activity of inner end wall of outer box body sets up, another pot head has transmission gear (17), the outer side of interior box bottom along its circumferencial direction and correspond radian such as transmission gear (17) position evenly open with tooth's socket of operation mutually supporting, transmission gear (17) are the helical gear, outer box outside just corresponds movable shaft (15) position below, round table shape filter frame body (14) bottom position top has the discharge opening, the inner end is equipped with automatically controlled valve respectively.
2. The stirring and water filtering device for tetramethylammonium hydroxide production according to claim 1, wherein: the automatic feeding device is characterized in that supporting legs are arranged at four corners of the bottom end of the workbench (1) respectively, a water collecting tank body (22) is arranged at the lower end of the workbench (1), the bottom end in the outer tank body is communicated with the upper end of an inner cavity of the water collecting tank body (22) through a pipeline, a feeding port is formed in the top of the processing tank body (2), and the outer tank body and the inner tank body are movably arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241305.6A CN109158033B (en) | 2018-10-24 | 2018-10-24 | Stirring water filtering device for tetramethylammonium hydroxide production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811241305.6A CN109158033B (en) | 2018-10-24 | 2018-10-24 | Stirring water filtering device for tetramethylammonium hydroxide production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109158033A CN109158033A (en) | 2019-01-08 |
| CN109158033B true CN109158033B (en) | 2024-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811241305.6A Active CN109158033B (en) | 2018-10-24 | 2018-10-24 | Stirring water filtering device for tetramethylammonium hydroxide production |
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| CN (1) | CN109158033B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112999732A (en) * | 2021-04-01 | 2021-06-22 | 沧州信联化工有限公司 | Stirring water filtering device for tetramethylammonium hydroxide production and use method thereof |
| CN114797277B (en) * | 2021-11-20 | 2023-12-08 | 河南雷佰瑞新材料科技有限公司 | Diethyl toluene diamine solution filtering device |
Citations (5)
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|---|---|---|---|---|
| JPH0639265A (en) * | 1992-07-27 | 1994-02-15 | Kumano Giken Kogyo Kk | Method for mixing and granulating powders |
| JPH08131805A (en) * | 1994-11-04 | 1996-05-28 | Misawa Homes Co Ltd | Production of fixed grain and device therefor |
| CN108162232A (en) * | 2017-12-25 | 2018-06-15 | 刘冉冉 | A kind of pvc pipe efficiently cools down mixing arrangement |
| CN108481564A (en) * | 2018-06-08 | 2018-09-04 | 徐杨广 | A kind of mortar blending device on construction site |
| CN208612318U (en) * | 2018-10-24 | 2019-03-19 | 南京元亨化工科技有限公司 | A kind of tetramethylammonium hydroxide production stirring water treatment plant |
-
2018
- 2018-10-24 CN CN201811241305.6A patent/CN109158033B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0639265A (en) * | 1992-07-27 | 1994-02-15 | Kumano Giken Kogyo Kk | Method for mixing and granulating powders |
| JPH08131805A (en) * | 1994-11-04 | 1996-05-28 | Misawa Homes Co Ltd | Production of fixed grain and device therefor |
| CN108162232A (en) * | 2017-12-25 | 2018-06-15 | 刘冉冉 | A kind of pvc pipe efficiently cools down mixing arrangement |
| CN108481564A (en) * | 2018-06-08 | 2018-09-04 | 徐杨广 | A kind of mortar blending device on construction site |
| CN208612318U (en) * | 2018-10-24 | 2019-03-19 | 南京元亨化工科技有限公司 | A kind of tetramethylammonium hydroxide production stirring water treatment plant |
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| CN109158033A (en) | 2019-01-08 |
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