CN220990772U - Device for producing dibromocyanoacetamide - Google Patents
Device for producing dibromocyanoacetamide Download PDFInfo
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- CN220990772U CN220990772U CN202323044921.1U CN202323044921U CN220990772U CN 220990772 U CN220990772 U CN 220990772U CN 202323044921 U CN202323044921 U CN 202323044921U CN 220990772 U CN220990772 U CN 220990772U
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Abstract
The utility model discloses a device for producing dibromocyanoacetamide, which comprises a reaction kettle, a crystallization kettle, a centrifuge, a drying tank, a finished product tank and a centrifugal mother liquor storage tank which are communicated with each other; the device also comprises a solvent storage tank communicated with the reaction kettle through a first feeding pipe, a liquid bromine storage tank communicated with the reaction kettle through a second feeding pipe, and a hydrogen peroxide storage tank communicated with the reaction kettle through a third feeding pipe, wherein the first feeding pipe, the second feeding pipe and the third feeding pipe are respectively provided with a first electric valve, a second electric valve and a third electric valve; the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank are respectively provided with a first weighing module, a second weighing module and a third weighing module; the first weighing module, the second weighing module and the third weighing module are respectively interlocked with the first electric valve, the second electric valve and the third electric valve. The device has high degree of automation, and the centrifugal mother liquor in the production process can be recycled, so that the treatment capacity of wastewater is reduced, and the preparation cost of products is saved.
Description
Technical Field
The utility model relates to an organic synthesis device, in particular to a device for producing dibromocyanoacetamide.
Background
Dibromocyanoacetamide (DBNPA) is a novel efficient bactericidal algicide and water treatment agent. The substance is white crystal, can be used as a high-efficiency broad-spectrum bactericide, can quickly penetrate the cell membrane of microorganisms, and acts on a certain protein group to stop the normal oxidation-reduction of the cells, thereby causing cell death. Compared with the existing disinfectants and bactericides, the DBNPA has the advantages of high efficiency, broad spectrum, easy degradation, no residual toxicity, no pollution to the environment and the like, has multiple effects of sterilizing and killing algae, killing viscosity and removing scale, inhibiting corrosion and the like, is a green product in the environment-friendly water treatment agent, has wide application prospect and development value, and is more and more concerned. The product is widely applied in developed countries, but related research reports are seen in China.
The existing synthesis method of DBNPA mainly takes cyanoacetamide and bromine as raw materials and hydrogen peroxide as an oxidant for reaction, and the prepared product has the following defects although the yield is high, and the existing production device for DBNPA has the following defects: 1. the automation degree is low, the labor is consumed, and the cost is high; 2. a large amount of wastewater is generated in the production process, and the treatment is troublesome; 3. the production efficiency is to be improved.
Disclosure of utility model
The technical problems to be solved by the utility model are as follows: aiming at the defects existing in the prior art, the device for producing dibromocyanoacetamide is provided, the automation degree of the device is high, the adding amount of raw materials can be effectively controlled, the precision is high, the production efficiency is high, the centrifugal mother liquor in the production process is recycled, the treatment capacity of wastewater is reduced, and the preparation cost of products is saved.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
A device for producing dibromocyanoacetamide comprises a reaction kettle, a crystallization kettle, a centrifuge, a drying tank and a finished product tank which are communicated; a feed inlet is arranged on the reaction kettle;
The device comprises a reaction kettle, a solvent storage tank, a liquid bromine storage tank and a hydrogen peroxide storage tank, wherein the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank are respectively communicated with the reaction kettle through a first feeding pipe, a second feeding pipe and a third feeding pipe, and a first electric valve, a second electric valve and a third electric valve are respectively arranged on the first feeding pipe, the second feeding pipe and the third feeding pipe;
The device also comprises a first weighing module, a second weighing module and a third weighing module which are respectively arranged on the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank; the first weighing module is interlocked with the first electric valve, the second weighing module is interlocked with the second electric valve, and the third weighing module is interlocked with the third electric valve;
the centrifugal mother liquor storage tank is communicated with the mother liquor outlet of the centrifugal machine.
As an improved technical scheme, the outer sides of the reaction kettle and the crystallization kettle are respectively provided with a first jacket and a second jacket; the first jacket is respectively provided with a first heat exchange medium inlet and a first heat exchange medium outlet; and the second jacket is respectively provided with a second heat exchange medium inlet and a second heat exchange medium outlet.
As an improved technical scheme, be provided with a agitating unit in the reation kettle, a agitating unit includes first agitator motor, with a agitator motor output shaft's first (mixing) shaft and set up the epaxial first stirring vane of first (mixing) shaft.
As an improved technical scheme, the upper part of the reaction kettle is also provided with a porous liquid distribution disc sleeved on the outer side of the first stirring shaft.
As an improved technical scheme, be provided with second agitating unit in the crystallization kettle, second agitating unit includes second agitator motor, with second agitator motor output shaft's second (mixing) shaft and the setting is at the epaxial second stirring vane of second (mixing) shaft.
As an improved technical scheme, the second stirring shaft is also provided with a stirring frame, and the stirring frame is provided with a scraper which abuts against the inner wall of the crystallization kettle.
As an improved technical scheme, a steam coil is arranged in the drying tank.
As an improved technical scheme, be provided with first thermometer on the reation kettle, be provided with first feed liquor pipe, first drain pipe on first heat transfer medium import, the first heat transfer medium export respectively, be provided with first governing valve, second governing valve on first feed liquor pipe, the first drain pipe respectively, first thermometer is provided with first governing valve, second governing valve linkage respectively.
As an improved technical scheme, be provided with the second thermometer on the crystallization kettle, be provided with second feed liquor pipe, second drain pipe on second heat transfer medium import, the second heat transfer medium export respectively, be provided with third governing valve, fourth governing valve on second feed liquor pipe, the second drain pipe respectively, the second thermometer links with third governing valve, fourth governing valve respectively and sets up.
Due to the adoption of the technical scheme, the utility model has the beneficial effects that:
(1) The utility model provides a device for producing dibromocyanoacetamide, which comprises a reaction kettle, a crystallization kettle, a centrifuge, a drying tank and a finished product tank which are communicated; a feed inlet is arranged on the reaction kettle; the device also comprises a solvent storage tank, a liquid bromine storage tank, a hydrogen peroxide storage tank and a centrifugal mother liquor storage tank communicated with a mother liquor outlet of the centrifugal machine; the device can be used as a solvent in the production of next batch of products in the centrifugally mother liquor storage tank of the crystallized feed liquid recovery paper, so that the production cost of the products is reduced, and the treatment cost of wastewater is also reduced.
(2) The solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank of the device are respectively communicated with the reaction kettle through a first feeding pipe, a second feeding pipe and a third feeding pipe, and a first electric valve, a second electric valve and a third electric valve are respectively arranged on the first feeding pipe, the second feeding pipe and the third feeding pipe; the device also comprises a first weighing module, a second weighing module and a third weighing module which are respectively arranged on the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank; the first weighing module is interlocked with the first electric valve, the second weighing module is interlocked with the second electric valve, and the third weighing module is interlocked with the third electric valve; through the arrangement, automatic feeding of solvent, liquid bromine and hydrogen peroxide can be realized, labor is saved, the production efficiency of products is improved, and the raw material dripping precision is high.
(3) The crystallization kettle of the device is internally provided with the stirring frame on the second stirring shaft, and the stirring frame is provided with the scraper which is propped against the inner wall of the crystallization kettle, so that the heat exchange efficiency in the crystallization kettle is improved, and crystals adhered to the inner wall of the crystallization kettle in the crystallization process can be scraped off and re-enter into the crystallization feed liquid, thereby improving the product yield.
(4) The device is provided with a first thermometer on a reaction kettle, a first heat exchange medium inlet and a first heat exchange medium outlet are respectively provided with a first liquid inlet pipe and a first liquid outlet pipe, the first liquid inlet pipe and the first liquid outlet pipe are respectively provided with a first regulating valve and a second regulating valve, the first thermometer is respectively interlocked with the first regulating valve and the second regulating valve, the temperature in the reaction kettle is monitored through the first thermometer in real time, and the temperature can be adjusted through adjusting the opening of the first regulating valve and the second regulating valve when the temperature is too high or too low, so that the smooth reaction is ensured.
(5) The crystallization kettle is provided with a second thermometer, a second heat exchange medium inlet and a second heat exchange medium outlet are respectively provided with a second liquid inlet pipe and a second liquid outlet pipe, the second liquid inlet pipe and the second liquid outlet pipe are respectively provided with a third regulating valve and a fourth regulating valve, and the second thermometer is respectively in linkage arrangement with the third regulating valve and the fourth regulating valve. The second thermometer can monitor the temperature in the crystallization kettle in real time, and the too high or too low temperature can be adjusted by adjusting the opening degree of the third regulating valve and the fourth regulating valve, so that the crystallization process is ensured to be smoothly carried out.
(6) The steam coil is arranged in the drying tank of the device, so that the contact area of steam and materials is greatly increased, and the drying efficiency of the materials is improved.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic structural view of embodiment 1 of the present utility model;
In the figure, 1, a reaction kettle; 2. a crystallization kettle; 3. a centrifuge; 4. a drying tank; 5. a finished product tank; 6. a feed inlet; 7. a solvent storage tank; 8. a liquid bromine storage tank; 9. a hydrogen peroxide storage tank; 10. a first feed tube; 11. a second feed tube; 12. a third feed tube; 13. a first electrically operated valve; 14. a second electrically operated valve; 15. a third electrically operated valve; 16. a first weighing module; 17. a second weighing module; 18. a third weighing module; 19. centrifuging a mother liquor storage tank; 20. a first jacket; 21. a second jacket; 22. a first heat exchange medium inlet; 23. a first heat exchange medium outlet; 24. a second heat exchange medium inlet; 25. a second heat exchange medium outlet; 26. a first thermometer; 27. a first liquid inlet pipe; 28. a first liquid outlet pipe; 29. a first regulating valve; 30. a second regulating valve; 31. a second thermometer; 32. a second liquid inlet pipe; 33. a second liquid outlet pipe; 34. a third regulating valve; 35. a fourth regulating valve; 36. a first stirring motor; 37. a first stirring shaft; 38. a first stirring blade; 39. a porous liquid distribution disc; 40. a second stirring motor; 41. a second stirring shaft; 42. a second stirring blade; 43. a stirring frame; 44. a scraper; 45. a steam coil.
Detailed Description
The utility model is further illustrated in the following, in conjunction with the accompanying drawings and examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.
Example 1
As shown in fig. 1, a device for producing dibromocyanoacetamide comprises a reaction kettle 1, a crystallization kettle 2, a centrifugal machine 3, a drying tank 4 and a finished product tank 5 which are communicated; a feed inlet 6 is arranged on the reaction kettle 1;
The device further comprises a solvent storage tank 7, a liquid bromine storage tank 8 and a hydrogen peroxide storage tank 9, wherein the solvent storage tank 7, the liquid bromine storage tank 8 and the hydrogen peroxide storage tank 9 are respectively communicated with the reaction kettle 1 through a first feeding pipe 10, a second feeding pipe 11 and a third feeding pipe 12, and a first electric valve 13, a second electric valve 14 and a third electric valve 15 are respectively arranged on the first feeding pipe 10, the second feeding pipe 11 and the third feeding pipe 12;
The device further comprises a first weighing module 16, a second weighing module 17 and a third weighing module 18 which are respectively arranged on the solvent storage tank 7, the liquid bromine storage tank 8 and the hydrogen peroxide storage tank 9; the first weighing module 16 is interlocked with the first electric valve 13, the second weighing module 17 is interlocked with the second electric valve 14, and the third weighing module 18 is interlocked with the third electric valve 15;
And a centrifugal mother liquor storage tank 19 communicated with the mother liquor outlet of the centrifugal machine 3.
Further, a first jacket 20 and a second jacket 21 are respectively arranged on the outer sides of the reaction kettle 1 and the crystallization kettle 2; the first jacket 20 is respectively provided with a first heat exchange medium inlet 22 and a first heat exchange medium outlet 23; the second jacket 21 is respectively provided with a second heat exchange medium inlet 24 and a second heat exchange medium outlet 25;
Further, in order to better control the temperature in the reaction kettle 1, a first thermometer 26 is provided on the reaction kettle 1, a first liquid inlet pipe 27 and a first liquid outlet pipe 28 are respectively provided on the first heat exchange medium inlet 22 and the first heat exchange medium outlet 23, a first regulating valve 29 and a second regulating valve 30 are respectively provided on the first liquid inlet pipe 27 and the first liquid outlet pipe 28, and the first thermometer 26 is respectively in linkage arrangement with the first regulating valve 29 and the second regulating valve 30; the temperature in the reaction kettle 1 is monitored through the first thermometer 26, if the temperature is too high or too low, the first thermometer 26 transmits a signal to an external controller (not shown in the figure), and the external controller adjusts the flow speed of the first heat exchange medium by adjusting the opening degree of the first adjusting valve 29 and the opening degree of the second adjusting valve 30, so that the temperature in the reaction kettle 1 is effectively controlled.
Furthermore, in order to better control the temperature in the crystallization kettle 2, a second thermometer 31 is disposed on the crystallization kettle 2, a second liquid inlet pipe 32 and a second liquid outlet pipe 33 are disposed on the second heat exchange medium inlet 24 and the second heat exchange medium outlet 25, a third regulating valve 34 and a fourth regulating valve 35 are disposed on the second liquid inlet pipe 32 and the second liquid outlet pipe 33, and the second thermometer 31 is respectively interlocked with the third regulating valve 34 and the fourth regulating valve 35. The second thermometer 31 monitors the temperature in the crystallization kettle 2 in real time, if the temperature is too high or too low, the second thermometer 31 transmits a signal to an external controller (not shown in the figure), and the external controller adjusts the flow speed of the second heat exchange medium by adjusting the opening degree of the third adjusting valve 34 and the fourth adjusting valve 35, so that the temperature in the crystallization kettle 2 is effectively controlled.
Further, in order to improve the reaction efficiency in the reaction kettle 1, a first stirring device is arranged in the reaction kettle 1, and the first stirring device comprises a first stirring motor 36, a first stirring shaft 37 connected with an output shaft of the first stirring motor 36, and a first stirring blade 38 arranged on the first stirring shaft 37, and the reaction raw materials are mixed more fully through stirring of the first stirring device, so that the reaction efficiency is improved, and the production efficiency is further improved.
Further, the upper portion of the reaction kettle 1 is further provided with a porous liquid distribution disc 39 sleeved on the outer side of the first stirring shaft 37, and the liquid is uniformly introduced into the reaction kettle 1 due to the arrangement of the porous liquid distribution disc 39, so that the heat exchange efficiency of raw materials is improved, and further the production efficiency is improved.
Further, in order to improve crystallization efficiency, a second stirring device is disposed in the crystallization kettle 2, and the second stirring device includes a second stirring motor 40, a second stirring shaft 41 connected to an output shaft of the second stirring motor 40, and a second stirring blade 42 disposed on the second stirring shaft 41; the heat exchange efficiency in crystallization kettle 2 has been improved in the setting of second agitating unit, and then crystallization efficiency is improved.
Still further, the second stirring shaft 41 is further provided with a stirring frame 43, the stirring frame 43 is provided with a scraper 44 propped against the inner wall of the crystallization kettle 2, and crystals adhered to the inner wall of the crystallization kettle 2 in the crystallization process can be scraped off by the scraper 44, so that product loss is avoided, and product yield is improved.
Further, in order to improve the drying efficiency, the drying tank 4 is internally provided with a steam coil 45, and steam enters into the steam coil 45 to be fully contacted with the materials to be dried, so that the drying efficiency is greatly improved.
The actual application process of the device is as follows:
Adding cyanoacetamide into a reaction kettle 1 through a feed inlet 6, opening a first electric valve 13, uniformly entering a solvent into the reaction kettle 1 through a porous liquid distribution disc 39, closing the first electric valve 13 when a first weighing module 16 monitors that the material is fed to a set value, starting a first stirring device, opening a first regulating valve 29 and opening a second regulating valve 30 to regulate the temperature of the reaction kettle 1, opening a second electric valve 14 when the temperature reaches the set value, uniformly entering liquid bromine into the reaction kettle 1 through the porous liquid distribution disc 39, performing reaction, closing the second electric valve 14 when a second weighing module 17 monitors that the material is fed to the set value, opening a third electric valve 15 when the reaction is performed for a set time, uniformly entering hydrogen peroxide into the reaction kettle 1 through the porous liquid distribution disc 39, continuously reacting, and continuously stirring the reaction when a third weighing module 18 monitors that the material is fed to the set value, closing the third electric valve 15;
After the reaction is finished, the reaction liquid in the reaction kettle 1 enters the crystallization kettle 2, crystallization treatment is carried out under the action of the first stirring device, the crystallization is finished, the reaction liquid enters the centrifugal machine 3 for centrifugation, the mother liquid after centrifugation enters the centrifugal mother liquid storage tank 19 and can be used as a solvent for the production of the next batch of products, the centrifuged solid enters the drying tank 4 for drying, and finally the solid enters the finished product tank 5.
Furthermore, it should be understood that various changes and modifications can be made by one skilled in the art after reading the teachings of the present utility model, and such equivalents are intended to fall within the scope of the utility model as defined in the appended claims.
Claims (9)
1. An apparatus for producing dibromocyanoacetamide, characterized in that: comprises a reaction kettle, a crystallization kettle, a centrifuge, a drying tank and a finished product tank which are communicated; a feed inlet is arranged on the reaction kettle;
The device comprises a reaction kettle, a solvent storage tank, a liquid bromine storage tank and a hydrogen peroxide storage tank, wherein the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank are respectively communicated with the reaction kettle through a first feeding pipe, a second feeding pipe and a third feeding pipe, and a first electric valve, a second electric valve and a third electric valve are respectively arranged on the first feeding pipe, the second feeding pipe and the third feeding pipe;
The device also comprises a first weighing module, a second weighing module and a third weighing module which are respectively arranged on the solvent storage tank, the liquid bromine storage tank and the hydrogen peroxide storage tank; the first weighing module is interlocked with the first electric valve, the second weighing module is interlocked with the second electric valve, and the third weighing module is interlocked with the third electric valve;
the centrifugal mother liquor storage tank is communicated with the mother liquor outlet of the centrifugal machine.
2. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: the outer sides of the reaction kettle and the crystallization kettle are respectively provided with a first jacket and a second jacket; the first jacket is respectively provided with a first heat exchange medium inlet and a first heat exchange medium outlet; and the second jacket is respectively provided with a second heat exchange medium inlet and a second heat exchange medium outlet.
3. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: the reaction kettle is internally provided with a first stirring device, and the first stirring device comprises a first stirring motor, a first stirring shaft connected with an output shaft of the first stirring motor and a first stirring blade arranged on the first stirring shaft.
4. A device for producing dibromocyanoacetamide as claimed in claim 3, wherein: the upper part of the reaction kettle is also provided with a porous liquid distribution disc sleeved on the outer side of the first stirring shaft.
5. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: the crystallization kettle is internally provided with a second stirring device, and the second stirring device comprises a second stirring motor, a second stirring shaft connected with an output shaft of the second stirring motor and a second stirring blade arranged on the second stirring shaft.
6. An apparatus for producing dibromocyanoacetamide as claimed in claim 5, wherein: and the second stirring shaft is also provided with a stirring frame, and the stirring frame is provided with a scraper which abuts against the inner wall of the crystallization kettle.
7. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: and a steam coil is arranged in the drying tank.
8. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: the reaction kettle is provided with a first thermometer, a first heat exchange medium inlet and a first heat exchange medium outlet are respectively provided with a first liquid inlet pipe and a first liquid outlet pipe, the first liquid inlet pipe and the first liquid outlet pipe are respectively provided with a first regulating valve and a second regulating valve, and the first thermometer is respectively in linkage arrangement with the first regulating valve and the second regulating valve.
9. An apparatus for producing dibromocyanoacetamide as claimed in claim 1, wherein: the crystallization kettle is provided with a second thermometer, a second heat exchange medium inlet and a second heat exchange medium outlet are respectively provided with a second liquid inlet pipe and a second liquid outlet pipe, the second liquid inlet pipe and the second liquid outlet pipe are respectively provided with a third regulating valve and a fourth regulating valve, and the second thermometer is respectively in linkage arrangement with the third regulating valve and the fourth regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323044921.1U CN220990772U (en) | 2023-11-10 | 2023-11-10 | Device for producing dibromocyanoacetamide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323044921.1U CN220990772U (en) | 2023-11-10 | 2023-11-10 | Device for producing dibromocyanoacetamide |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220990772U true CN220990772U (en) | 2024-05-24 |
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ID=91119610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323044921.1U Active CN220990772U (en) | 2023-11-10 | 2023-11-10 | Device for producing dibromocyanoacetamide |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220990772U (en) |
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2023
- 2023-11-10 CN CN202323044921.1U patent/CN220990772U/en active Active
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