CN212732107U - Hydrothermal reaction device - Google Patents
Hydrothermal reaction device Download PDFInfo
- Publication number
- CN212732107U CN212732107U CN202021383499.6U CN202021383499U CN212732107U CN 212732107 U CN212732107 U CN 212732107U CN 202021383499 U CN202021383499 U CN 202021383499U CN 212732107 U CN212732107 U CN 212732107U
- Authority
- CN
- China
- Prior art keywords
- stainless steel
- polytetrafluoroethylene
- polytetrafluoroethylene lining
- steel kettle
- cap
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Physical Or Chemical Processes And Apparatus (AREA)
Abstract
The utility model discloses a hydrothermal reaction device, which comprises a stainless steel kettle body, a stainless steel kettle cover, a polytetrafluoroethylene lining cap, a heating sleeve, a temperature sensor and a pressure sensor; the stainless steel cauldron body top is the opening, and is equipped with flange portion along the department at the opening, and flange portion and stainless steel cauldron cover go up to open have the corresponding screw in position, and the polytetrafluoroethylene inside lining coats in the internal surface of stainless steel cauldron, and the threaded connection of polytetrafluoroethylene inside lining and polytetrafluoroethylene lining cap is realized with external screw thread fit to the internal thread, and the outside of the stainless steel cauldron body is located to the heating jacket, and the inside of polytetrafluoroethylene inside lining is located to temperature sensor and pressure sensor. A polytetrafluoroethylene lining coating is directly coated in the stainless steel kettle body, so that the lining is prevented from cracking; the stainless steel outer sleeve is connected by a flange, so that the tightness is improved; meanwhile, the temperature and pressure detection is added, and the temperature and pressure regulation and control are realized by adjusting the power of the heating sleeve. The device also has the advantages of compact structure, flat appearance, good firmness and the like.
Description
Technical Field
The utility model relates to a reation kettle technical field, concretely relates to hydrothermal reaction device.
Background
The hydrothermal method is characterized in that a solution is adopted as a reaction system in a sealed pressure container, the reaction system is heated to generate a high-temperature high-pressure environment for chemical reaction, and the purpose of rapidly digesting insoluble substances is achieved by utilizing a strong acid or strong base in a tank body and a high-temperature high-pressure closed environment.
The hydrothermal reaction needs to be carried out in a special hydrothermal reaction kettle, and general stainless steel materials can be corroded, cracked and the like due to the existence of strong acid and strong base, so that the hydrothermal reaction kettle needs to be lined with polytetrafluoroethylene. The existing hydrothermal reaction kettle has the following defects: firstly, the temperature and the pressure in the reaction can not be detected and controlled; secondly, the stainless steel body is separated from the polytetrafluoroethylene body, and the polytetrafluoroethylene lining can crack and the like; and thirdly, the stainless steel outer sleeve is connected by threads, so that the gas leakage phenomenon can occur.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a temperature, pressure can be regulated and control, and the inside lining does not ftracture, hydrothermal reaction unit that the gas tightness is good.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
a hydrothermal reaction device comprises a stainless steel kettle body, a stainless steel kettle cover, a polytetrafluoroethylene lining cap, a heating sleeve, a temperature sensor and a pressure sensor;
stainless steel kettle body top is the opening, and is equipped with flange portion along the department at the opening, flange portion and stainless steel kettle cover go up to open and have the corresponding screw in position for insert the bolt and realize the stainless steel kettle body and the sealing connection of stainless steel kettle cover, the polytetrafluoroethylene inside lining coats in the internal surface of stainless steel kettle, and polytetrafluoroethylene inside lining top inboard is formed with the internal thread, the bottom of polytetrafluoroethylene lining cap is formed with undergauge portion, and is formed with the external screw thread in the outside of undergauge portion, the threaded connection of polytetrafluoroethylene inside lining and polytetrafluoroethylene lining cap is realized with external screw thread fit to the internal thread, the outside of stainless steel kettle body is located to the heating jacket, and scribbles the heat preservation dope layer on the surface of heating jacket, the inside of polytetrafluoroethylene inside lining is located to temperature sensor and pressure sensor.
The further improvement is that the stainless steel kettle cover, the flange part and the peripheral edge of the heating jacket are aligned.
The improved structure is characterized in that the top end face of the heating sleeve is provided with a screw hole, and a bolt is sequentially inserted into the screw holes of the stainless steel kettle cover, the flange part and the heating sleeve to realize the fixed connection of the stainless steel kettle cover, the flange part and the heating sleeve.
The improved polytetrafluoroethylene lining cap has the further improvement that the outer diameter of the non-reducing position of the polytetrafluoroethylene lining cap is equal to the outer diameter of the polytetrafluoroethylene lining, and after the polytetrafluoroethylene lining cap is in threaded connection with the polytetrafluoroethylene lining, the top surface of the polytetrafluoroethylene lining cap is flush with the top surface of the flange part.
In a further refinement, the reduced diameter portion has an axial length no less than 1/3 of the total axial length of the polytetrafluoroethylene cap.
The improvement is that the top surface of the polytetrafluoroethylene lining cap is provided with a jaw groove.
The further improvement is that the heat-insulating coating layer is a composite silicate heat-insulating coating layer.
The beneficial effects of the utility model reside in that: a polytetrafluoroethylene lining coating is directly coated in the stainless steel kettle body, so that the lining is prevented from cracking; the stainless steel outer sleeve is connected through the flange, the tightness is improved, the lining and the bushing are connected through threads, and the use is convenient; meanwhile, the temperature and pressure detection is added, and the temperature and pressure regulation and control are realized by adjusting the power of the heating sleeve. In addition, the device also has the advantages of compact structure, flat appearance, good firmness and the like.
Drawings
FIG. 1 is a schematic diagram of a hydrothermal reaction apparatus after decomposition;
FIG. 2 is a schematic view of the hydrothermal reaction apparatus after connection and assembly;
in the figure: 1. a stainless steel kettle body; 2. a stainless steel kettle cover; 3. a polytetrafluoroethylene inner liner; 4. a polytetrafluoroethylene liner cap; 401. a diameter reducing portion; 402. a jaw groove; 5. heating a jacket; 6. a temperature sensor; 7. a pressure sensor; 8. a flange portion; 9. a screw hole; 10. and (4) bolts.
Detailed Description
The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.
Referring to fig. 1 and 2, a hydrothermal reaction apparatus, which is cylindrical as a whole, includes a stainless steel kettle body 1, a stainless steel kettle cover 2, a polytetrafluoroethylene lining 3, a polytetrafluoroethylene lining cap 4, a heating jacket 5, a temperature sensor 6 and a pressure sensor 7;
wherein, the top of the stainless steel kettle body 1 is an opening, and the edge of the opening is provided with a flange part 8, the flange part 8 and the stainless steel kettle cover 2 are provided with screw holes 9 with corresponding positions, 4-8 screw holes 9 are used for inserting bolts 10 to realize the sealing connection of the stainless steel kettle body 1 and the stainless steel kettle cover 2, the polytetrafluoroethylene lining 3 is coated on the inner surface of the stainless steel kettle body 1, and the inner side of the top of the polytetrafluoroethylene lining 3 is provided with internal threads, the bottom of the polytetrafluoroethylene lining cap 4 is provided with a reducing part 401, the outer diameter of the reducing part 401 is reduced to be matched with the outer diameter of the polytetrafluoroethylene lining 3, while the inner diameter is kept unchanged, and the outer side of the reducing part 401 is provided with external threads, the internal threads are matched with the external threads to realize the threaded connection of the polytetrafluoroethylene lining 3 and the polytetrafluoroethylene lining cap 4, the heating sleeve 5 is arranged outside the stainless steel kettle body 1, and the surface of the heating sleeve 5 is coated with a heat, the temperature sensor 6 and the pressure sensor 7 are provided inside the polytetrafluoroethylene liner 3.
When in use, the reaction raw materials are added into the stainless steel kettle body 1 (containing the polytetrafluoroethylene coating); then covering a polytetrafluoroethylene lining cap 4, and adopting threaded connection; then the stainless steel kettle cover 2 is tightly connected with the stainless steel kettle body 1 through the flange part 8; then, the reaction device is heated by the heating jacket 5, the temperature sensor 6 and the pressure sensor 7 display the temperature and the pressure in the kettle in real time, and when the temperature and the pressure exceed set values, the temperature and the pressure are reduced by adjusting the heating jacket 5.
The utility model discloses in, above-mentioned stainless steel kettle cover 2, flange portion 8 and heating jacket 5's neighboring aligns, and the outward appearance is level and smooth, the lug boss does not appear.
The utility model discloses in, the top end face of above-mentioned heating jacket 5 is opened there is screw 9, and bolt 10 realizes three's fixed connection in inserting stainless steel kettle cover 2, flange portion 8 and heating jacket 5's screw 9 in proper order, and the fastness of connection is better.
The utility model discloses in, the external diameter of the non-undergauge position of above-mentioned polytetrafluoroethylene cap liner 4 equals polytetrafluoroethylene inside lining 3's external diameter, and after polytetrafluoroethylene cap liner 4 and 3 threaded connection of polytetrafluoroethylene inside lining, the top surface of polytetrafluoroethylene cap liner 4 and the top surface parallel and level of flange portion 8, after stainless steel kettle cover 2 is connected with flange portion 8 like this, can compress tightly polytetrafluoroethylene cap liner 4 simultaneously.
The utility model discloses in, the axial length of above-mentioned undergauge portion 401 is not less than 1/3 of the total axial length of polytetrafluoroethylene cap liner 4, guarantees threaded connection's stability.
In the utility model, the top surface of the polytetrafluoroethylene lining cap 4 is provided with a jaw groove 402, which is convenient for rotating the polytetrafluoroethylene lining cap 4 by a tool.
The utility model discloses in, above-mentioned thermal insulation coating layer is compound silicate thermal insulation coating layer, and thickness is at least at 1.5mm, has good thermal-insulated heat preservation effect.
The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.
Claims (7)
1. A hydrothermal reaction device, characterized in that: comprises a stainless steel kettle body (1), a stainless steel kettle cover (2), a polytetrafluoroethylene lining (3), a polytetrafluoroethylene lining cap (4), a heating sleeve (5), a temperature sensor (6) and a pressure sensor (7);
the stainless steel kettle is characterized in that the top of the stainless steel kettle body (1) is provided with an opening, a flange part (8) is arranged at the edge of the opening, screw holes (9) corresponding to the positions are formed in the flange part (8) and the stainless steel kettle cover (2) and used for inserting bolts (10) to realize the sealing connection of the stainless steel kettle body (1) and the stainless steel kettle cover (2), the polytetrafluoroethylene lining (3) is coated on the inner surface of the stainless steel kettle body (1), inner threads are formed on the inner side of the top of the polytetrafluoroethylene lining (3), a reducing part (401) is formed at the bottom of the polytetrafluoroethylene lining cap (4), outer threads are formed on the outer sides of the reducing part (401), the inner threads are matched with the outer threads to realize the threaded connection of the polytetrafluoroethylene lining (3) and the polytetrafluoroethylene lining cap (4), the heating sleeve (5) is arranged on the outer part of the stainless steel kettle body (1), and the surface of the heating sleeve (5) is coated with a heat preservation coating, the temperature sensor (6) and the pressure sensor (7) are arranged inside the polytetrafluoroethylene lining (3).
2. A hydrothermal reaction unit according to claim 1, wherein: the peripheral edges of the stainless steel kettle cover (2), the flange part (8) and the heating jacket (5) are aligned.
3. A hydrothermal reaction unit according to claim 1 or 2, wherein: screw holes (9) are formed in the end face of the top of the heating sleeve (5), and bolts (10) are inserted into the screw holes (9) of the stainless steel kettle cover (2), the flange portion (8) and the heating sleeve (5) in sequence to realize the fixed connection of the three.
4. A hydrothermal reaction unit according to claim 1, wherein: the outer diameter of the non-reducing position of the polytetrafluoroethylene lining cap (4) is equal to the outer diameter of the polytetrafluoroethylene lining (3), and after the polytetrafluoroethylene lining cap (4) is in threaded connection with the polytetrafluoroethylene lining (3), the top surface of the polytetrafluoroethylene lining cap (4) is flush with the top surface of the flange part (8).
5. A hydrothermal reaction unit according to claim 1, wherein: the axial length of the reducing part (401) is not less than 1/3 of the total axial length of the polytetrafluoroethylene cap liner (4).
6. A hydrothermal reaction unit according to claim 1, wherein: the top surface of the polytetrafluoroethylene lining cap (4) is provided with a jaw groove (402).
7. A hydrothermal reaction unit according to claim 1, wherein: the heat-insulating coating layer is a composite silicate heat-insulating coating layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021383499.6U CN212732107U (en) | 2020-07-14 | 2020-07-14 | Hydrothermal reaction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021383499.6U CN212732107U (en) | 2020-07-14 | 2020-07-14 | Hydrothermal reaction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212732107U true CN212732107U (en) | 2021-03-19 |
Family
ID=75036188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021383499.6U Active CN212732107U (en) | 2020-07-14 | 2020-07-14 | Hydrothermal reaction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212732107U (en) |
-
2020
- 2020-07-14 CN CN202021383499.6U patent/CN212732107U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212732107U (en) | Hydrothermal reaction device | |
| CN108905272A (en) | Supercritical carbon dioxide extraction industrializes equipment manufacturing device and production method | |
| CN208278708U (en) | It is a kind of for storing the low temperature seal storage tank of lithium cell electrolyte lithium salts | |
| CN205420119U (en) | Biological charcoal processingequipment of hydrothermal method preparation mud base | |
| CN103643199A (en) | Pressure nitrogenization furnace | |
| CN208733177U (en) | A kind of Two-way Cycle vacuum heat treatment equipment | |
| CN205953975U (en) | Novel yellow rice wine fermentation cylinder | |
| CN101518725A (en) | Novel reaction kettle | |
| CN211394487U (en) | A heat preservation device for ferment fermentation cylinder | |
| CN207470770U (en) | A kind of horizontal sealing vacuum drying oven | |
| CN212328754U (en) | High-pressure impregnation pressurization carbonization equipment for carbon fiber preform | |
| CN205079044U (en) | Heat preservation liquified gas storage tank of crashproof | |
| CN201419093Y (en) | Novel reaction vessel | |
| CN216497488U (en) | High-temperature heat storage and evaporation integrated device | |
| CN214841650U (en) | Epoxy heating device for fluorocarbon coating | |
| CN206820169U (en) | Sealing fastener and electric connection component | |
| CN212246996U (en) | Plant fermentation device | |
| CN220655361U (en) | Energy-saving heating device for meal | |
| CN203602360U (en) | Pressure nitriding furnace | |
| CN217049987U (en) | Safety chemical storage tank with interlayer | |
| CN205575999U (en) | A production response equipment that is used for epoxy phenolic aldehyde silicon steel sheet lacquer type organic coating | |
| CN219990104U (en) | Sealed heat-preserving container | |
| CN220321988U (en) | Sealing structure for box-type furnace | |
| CN110873186A (en) | Pressure regulating tank for experiments | |
| CN210815207U (en) | Reation kettle cooling system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |