CN216321900U - Formic acid production facility with homogeneous mixing structure - Google Patents
Formic acid production facility with homogeneous mixing structure Download PDFInfo
- Publication number
- CN216321900U CN216321900U CN202122642880.0U CN202122642880U CN216321900U CN 216321900 U CN216321900 U CN 216321900U CN 202122642880 U CN202122642880 U CN 202122642880U CN 216321900 U CN216321900 U CN 216321900U
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- CN
- China
- Prior art keywords
- formic acid
- shaft
- stirring
- mixing
- acid production
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- 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.)
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- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000002156 mixing Methods 0.000 title claims abstract description 34
- 235000019253 formic acid Nutrition 0.000 title claims abstract description 25
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 238000003756 stirring Methods 0.000 claims abstract description 56
- 238000003860 storage Methods 0.000 claims abstract description 12
- 239000011261 inert gas Substances 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 18
- 230000000694 effects Effects 0.000 claims description 8
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 5
- 239000000376 reactant Substances 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 2
- 239000004280 Sodium formate Substances 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 150000007522 mineralic acids Chemical class 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- WFIZEGIEIOHZCP-UHFFFAOYSA-M potassium formate Chemical compound [K+].[O-]C=O WFIZEGIEIOHZCP-UHFFFAOYSA-M 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
- 235000019254 sodium formate Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Physical Or Chemical Processes And Apparatus (AREA)
- Accessories For Mixers (AREA)
- Mixers Of The Rotary Stirring Type (AREA)
Abstract
The utility model discloses formic acid production equipment with a uniform mixing structure, which comprises a reaction kettle, a driving unit, a stirring shaft, an air pump and an air storage tank, wherein the outer wall of the reaction kettle comprises a heating layer, the lower end of the stirring shaft downwards extends into the reaction kettle and is rotationally connected with the reaction kettle, the stirring shaft can rotate under the action of the driving unit, a plurality of stirring blades are radially connected onto the stirring shaft, the stirring shaft is of a hollow structure, the stirring blades are of a hollow structure, air holes are formed in the stirring blades, a part of the stirring shaft extending out of the reaction kettle is fixedly provided with an object placing table, the air storage tank and the air pump are arranged on the object placing table, and inert gas in the air storage tank can be pumped into a first inner cavity and a second inner cavity through the air pump and is discharged through the air holes. The utility model has reasonable structure, good stirring and mixing uniformity and high mixing efficiency, and is beneficial to popularization and application.
Description
Technical Field
The utility model relates to the technical field of formic acid production equipment, in particular to formic acid production equipment with a uniform mixing structure.
Background
Formic acid, also known as formic acid, has the molecular formula HCOOH. Formic acid is colorless and has an irritating odor and is corrosive, and human skin can blister and swell when contacted. Formic acid has both acid and aldehyde properties. In the chemical industry, formic acid is used in the rubber, pharmaceutical, dye, leather-like industries. There are many methods for preparing formic acid, such as adding inorganic acid such as sulfuric acid, phosphoric acid, superphosphoric acid or polymeric phosphoric acid into sodium formate or potassium formate, etc. to prepare formic acid by acidification, wherein in almost all formic acid preparation processes, the medicaments in the reaction kettle need to be mixed and stirred; in actual production, if the rotating speed of the stirring shaft is too high, large vibration is easy to generate, the service life of equipment is not prolonged, and if the rotating speed of the stirring shaft is low, uneven mixing is easy to occur, and the reaction degree is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses formic acid production equipment with a uniform mixing structure, which solves the technical problems of low formic acid stirring efficiency and poor mixing effect in the prior art and has the technical effects of high stirring efficiency and good mixing effect. The adopted technical scheme is as follows:
a formic acid production device with a uniform mixing structure comprises a reaction kettle, a driving unit, a stirring shaft, an air pump and an air storage tank, wherein a charging opening and a condensation discharge pipe are arranged at the top of the reaction kettle, a discharge opening is arranged at the bottom of the reaction kettle, the outer wall of the reaction kettle comprises a heating layer, the lower end of the stirring shaft downwards extends into the reaction kettle and is rotationally connected with the reaction kettle, the upper end of the stirring shaft is connected with the rotor end of the driving unit and can rotate under the action of the driving unit, a plurality of stirring blades are radially connected onto the stirring shaft, the stirring shaft is of a hollow structure and is provided with a first inner cavity, the stirring blades are of a hollow structure and are provided with a second inner cavity communicated with the first inner cavity, air holes communicated with the second inner cavity are formed in the stirring blades, a part of the stirring shaft extending out of the reaction kettle is fixedly provided with an object placing platform, and the air storage tank and the air pump are arranged on the object placing platform, and the inert gas in the gas storage tank can be pumped into the first inner cavity and the second inner cavity through the gas pump and is discharged through the gas hole.
On the basis of the technical scheme, a pressure bearing is sleeved outside the stirring shaft between the object placing table and the top surface of the reaction kettle, and the top surface of the reaction kettle upwards supports the object placing table through the pressure bearing.
On the basis of the technical scheme, the pressure bearing is a plane thrust ball bearing, a shaft ring of the plane thrust ball bearing is fixedly arranged below the object placing table, and a seat ring of the plane thrust ball bearing is fixedly arranged on the top surface of the reaction kettle.
On the basis of the technical scheme, the direction of the air holes is opposite to the rotating direction of the stirring shaft.
On the basis of the technical scheme, a one-way valve is arranged at the gas outlet of the gas hole, and the one-way valve can allow inert gas to be discharged from the second inner cavity into the reaction kettle.
On the basis of the technical scheme, the air pump and the air storage tank are symmetrically arranged on two sides of the stirring shaft.
On the basis of the technical scheme, the stirring blade comprises a plurality of fins which are arranged in the radial direction.
Advantageous effects
According to the utility model, when the stirring shaft is used for stirring the reactants in the reaction kettle, the air pump can simultaneously pump the inert gas into the reaction kettle through the air holes, and the orientation of the air holes is opposite to the rotation direction of the stirring shaft, so that the reactants can be reversely disturbed when the stirring shaft is used for stirring, and the mixing effect and the mixing efficiency are improved.
In order to further improve the mixing effect, the stirring blades are also provided with a plurality of fins. In order to ensure the running stability of the equipment, the reaction kettle upwards supports the object placing table through the pressure bearing, and the air pump and the air storage tank are symmetrically arranged on two sides of the stirring shaft on the object placing table.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary of the utility model, and that other embodiments can be derived from the drawings provided by those skilled in the art without inventive effort.
FIG. 1: the utility model has a structure schematic diagram;
FIG. 2: schematic three-dimensional structure of stirring blade
Detailed Description
The utility model is further illustrated by the following figures and examples:
reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
Formic acid production facility with homogeneous mixing structure as shown in fig. 1-2, including reation kettle 1, drive unit 2, (mixing) shaft 3, air pump 4 and gas holder 5, reation kettle 1 top is equipped with charge door 101 and condensation discharge pipe 102, reation kettle 1 bottom is equipped with discharge gate 103, reation kettle 1 outer wall includes inlayer, zone of heating and skin, the zone of heating can heat the reactant in reation kettle 1, the lower extreme of (mixing) shaft 3 stretches into downwards in reation kettle 1 and rotates with reation kettle 1 to be connected, and (mixing) shaft 3 rotates the junction cover with reation kettle 1 top surface and is equipped with the bearing. The driving unit 2 comprises a servo motor fixedly connected to the top surface of the reaction kettle 1 through a motor base, the rotor end of the servo motor is connected with the upper end of a stirring shaft 3 through a coupler, the upper end of the stirring shaft 3 rotates under the action of the driving unit 2, a plurality of stirring blades 6 are radially connected to the stirring shaft 3, and the stirring blades 6 are symmetrically arranged around the stirring shaft 3; the stirring shaft 3 is of a hollow structure and is provided with a first inner cavity, the stirring blade 6 is of a hollow structure and is provided with a second inner cavity communicated with the first inner cavity, the stirring blade 6 is provided with an air hole 9 communicated with the second inner cavity, and the direction of the air hole 9 is opposite to the rotating direction of the stirring shaft 3. In addition, the stirring blade 6 comprises a plurality of radially arranged fins 12, and the arrangement of the fins 12 can improve the stirring and mixing effects of the stirring blade 6.
The part that (mixing) shaft 3 stretches out to reation kettle 1 has set firmly puts thing platform 10, 3 overcoat of (mixing) shaft between putting thing platform 10 and the 1 top surface of reation kettle is equipped with pressure bearing 11, thing platform 10 is put to 1 top surface of reation kettle upwards supporting through pressure bearing 11, pressure bearing 10 is plane thrust ball bearing, plane thrust ball bearing's ring of axle sets firmly under putting thing platform 10, plane thrust ball bearing's seat circle sets firmly in 1 top surface of reation kettle. The air storage tank 5 and the air pump 4 are arranged on the object placing table 10, the air pump 4 and the air storage tank 5 are symmetrically arranged on two sides of the stirring shaft 3, and balancing weights can be further arranged on the object placing table 10 and used for balancing the weight distribution of two symmetrical sides on the object placing table 10. The inert gas in the gas storage tank 5 can be pumped into the first inner cavity and the second inner cavity through the gas pump 4 and discharged through the gas hole 9, and a one-way valve is arranged at the gas outlet of the gas hole 9 and can allow the inert gas to be discharged from the second inner cavity into the reaction kettle 1.
The present invention has been described above by way of example, but the present invention is not limited to the above-described specific embodiments, and any modification or variation made based on the present invention is within the scope of the present invention as claimed.
Claims (7)
1. The utility model provides a formic acid production facility with homogeneous mixing structure, its characterized in that, includes reation kettle (1), drive unit (2), (mixing) shaft (3), air pump (4) and gas holder (5), reation kettle (1) top is equipped with charge door (101) and condensation discharge pipe (102), reation kettle (1) bottom is equipped with discharge gate (103), reation kettle (1) outer wall includes the zone of heating, the lower extreme of (mixing) shaft (3) downwardly extends to reation kettle (1) in and with reation kettle (1) rotation connection, the upper end of (mixing) shaft (3) is connected with the rotor end of drive unit (2) and can rotate under drive unit (2) effect, radially be connected with a plurality of stirring vane (6) on (mixing) shaft (3), (mixing) shaft (3) are equipped with first inner chamber for hollow structure, stirring vane (6) are equipped with the second inner chamber with first inner chamber intercommunication for hollow structure, offer gas pocket (9) with the second inner chamber intercommunication on stirring vane (6), the part that (mixing) shaft (3) stretched out to reation kettle (1) has set firmly puts thing platform (10), gas holder (5) and air pump (4) are located and are put on thing platform (10), just inert gas accessible air pump (4) pump in gas holder (5) is gone into to first inner chamber and second inner chamber, and via gas pocket (9) are discharged into in reation kettle (1).
2. The formic acid production facility with uniform mixing structure as defined in claim 1, wherein a pressure bearing (11) is sleeved outside the stirring shaft (3) between the object placing table (10) and the top surface of the reaction vessel (1), and the top surface of the reaction vessel (1) supports the object placing table (10) upward through the pressure bearing (11).
3. The formic acid production equipment with the uniform mixing structure as defined in claim 2, wherein said pressure bearing (11) is a planar thrust ball bearing, the shaft ring of said planar thrust ball bearing is fixedly arranged under the object placing table (10), and the seat ring of said planar thrust ball bearing is fixedly arranged on the top surface of the reaction kettle (1).
4. The formic acid production apparatus with a uniform mixing structure according to claim 1, wherein the orientation of the air holes (9) is opposite to the rotation direction of the stirring shaft (3).
5. The formic acid production facility with homogeneous mixing structure as defined in claim 4, wherein said gas outlet of said gas hole (9) is provided with a check valve, said check valve allowing the discharge of inert gas from the second inner chamber into the reaction vessel (1).
6. The formic acid production equipment with the uniform mixing structure as defined in any one of claims 1 to 5, wherein the air pump (4) and the air storage tank (5) are symmetrically disposed on both sides of the stirring shaft (3).
7. A formic acid production plant with a homogeneous mixing structure, according to claim 6, characterized in that said stirring blade (6) comprises a plurality of radially arranged fins (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122642880.0U CN216321900U (en) | 2021-10-29 | 2021-10-29 | Formic acid production facility with homogeneous mixing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122642880.0U CN216321900U (en) | 2021-10-29 | 2021-10-29 | Formic acid production facility with homogeneous mixing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216321900U true CN216321900U (en) | 2022-04-19 |
Family
ID=81132540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122642880.0U Expired - Fee Related CN216321900U (en) | 2021-10-29 | 2021-10-29 | Formic acid production facility with homogeneous mixing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216321900U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115886221A (en) * | 2022-12-31 | 2023-04-04 | 中国农业科学院蜜蜂研究所 | A low-temperature processing system for honey and a processing method based on the system |
| CN116943579A (en) * | 2023-06-28 | 2023-10-27 | 衡阳屹顺化工有限公司 | Cleaning rake mechanism of reaction kettle |
-
2021
- 2021-10-29 CN CN202122642880.0U patent/CN216321900U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115886221A (en) * | 2022-12-31 | 2023-04-04 | 中国农业科学院蜜蜂研究所 | A low-temperature processing system for honey and a processing method based on the system |
| CN116943579A (en) * | 2023-06-28 | 2023-10-27 | 衡阳屹顺化工有限公司 | Cleaning rake mechanism of reaction kettle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220419 |