CN210022141U

CN210022141U - Hydrothermal reaction kettle for preparing high-efficiency adsorption Ca-Al-LDHs powder material

Info

Publication number: CN210022141U
Application number: CN201920705920.1U
Authority: CN
Inventors: 王鹏飞; 罗炫; 张庆军
Original assignee: Laser Fusion Research Center China Academy of Engineering Physics
Current assignee: Laser Fusion Research Center China Academy of Engineering Physics
Priority date: 2019-05-16
Filing date: 2019-05-16
Publication date: 2020-02-07
Anticipated expiration: 2029-05-16

Abstract

The utility model provides a hydrothermal reaction kettle for preparing high-efficiency adsorption Ca-Al-LDHs powder materials, which comprises a kettle body, a cover body and a magnetic stirrer, wherein the upper end of the kettle body is fixed with a fixed ring, the cover body is in threaded connection with the fixed ring, the bottom end of the kettle body is fixed with a base, the base corresponding to the kettle body is provided with a groove, the groove extends into the bottom plate of the kettle body, the magnetic stirrer is placed in the groove, and the bottom end in the kettle body is provided with a magnetic stirrer; a heat insulation layer is coated outside the kettle body, a closed cavity is formed between the heat insulation layer and the kettle body, a resistance wire is laid on the heat insulation layer in the cavity, a thermocouple is installed in the base, a probe of the thermocouple extends into the cavity, the resistance wire and the thermocouple are electrically connected with a controller, and the controller is installed on the side wall of the base; the utility model discloses hydrothermal reaction kettle, simple structure, the simple operation can be to the internal reaction temperature's of cauldron effective control, and the reaction parameter when making preparation adsorb hydrotalcite-like powder material is more controllable.

Description

Hydrothermal reaction kettle for preparing high-efficiency adsorption Ca-Al-LDHs powder material

Technical Field

The utility model relates to a reation kettle technical field, concretely relates to high-efficient absorption type Ca-Al-LDHs powder material preparation water heating reation kettle.

Background

Since the adsorption performance of hydrotalcite was discovered, its property of exchanging and adsorbing target anions under different metal plate layer structures has received extensive attention from both academia and industry and has become a research hotspot. The hydrotalcite has good application prospect in the fields of building, environmental protection, functional materials and the like.

When hydrotalcite is prepared, a hydrothermal reaction kettle, which is also called a polymerization reaction kettle, a digestion tank, a high-pressure tank, a reaction kettle, a pressure bomb, a hydrothermal synthesis reaction kettle, a digestion tank, a hydrothermal synthesis kettle and an experimental reaction kettle, is needed. It can be screwed firmly by hand. The highest temperature can reach 230 ℃. When the existing hydrothermal reaction kettle is provided with a stirring function, the stirring paddle is mostly adopted for stirring, so that components such as a motor, a speed reducer, the stirring paddle and the like need to be arranged, and the structure of the hydrothermal reaction kettle tends to be complex.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-efficient absorption type Ca-Al-LDHs powder material preparation water heating reation kettle, simple structure, the simple operation can be to the internal reaction temperature's of cauldron effective control, makes the reaction parameter when preparing high-efficient absorption type Ca-Al-LDHs powder material more controllable.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high-efficient absorption type Ca-Al-LDHs powder material preparation is with hydrothermal reation kettle, includes the cauldron body, lid, magnetic stirrers, cauldron body upper end is fixed with the retainer plate, the retainer plate is equipped with the external screw thread outward, be equipped with on the lid with external screw thread assorted internal thread, lid and retainer plate threaded connection, cauldron body bottom mounting has the base, be equipped with the recess on the base that the cauldron body corresponds, the recess extends to in the cauldron body bottom plate, magnetic stirrers has been placed in the recess, magnetic stirrers has been placed to cauldron internal bottom end.

The kettle is characterized in that a heat insulation layer is coated outside the kettle body, a closed cavity is formed between the heat insulation layer and the kettle body, a resistance wire is laid on the heat insulation layer in the cavity, a thermocouple is installed in the base, a probe of the thermocouple extends into the cavity, the resistance wire and the thermocouple are electrically connected with a controller, and the controller is installed on the side wall of the base.

Furthermore, a tetrafluoro bush is fixed in the kettle body.

Further, the cauldron body is equipped with cooling coil, cooling coil's the end intercommunication of intaking has the inlet tube, and the delivery end intercommunication has the outlet pipe, inlet tube, outlet pipe all run through the lid and with lid sealing connection, all install the valve on inlet tube, the outlet pipe.

Furthermore, the water inlet pipe and the water outlet pipe are connected with hose connectors in a threaded manner.

Furthermore, a temperature measuring element is installed on the cover body, and a probe of the temperature measuring element extends into the kettle body.

Further, a heat insulating layer is fixed on the side wall of the groove.

The utility model has the advantages that:

through setting up magnetic stirrers and magnetic stirrers, can realize the stirring to the internal material of cauldron, it is very convenient to stir the material, need not to set up parts such as motor, speed reducer, stirring rake, simple structure, the simple operation. The arranged components such as the resistance wire, the thermocouple, the controller and the like can realize the effective control of the reaction temperature in the kettle body, so that the reaction parameters when the hydrotalcite-like powder material is efficiently adsorbed are more controllable.

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 is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the internal structure of the present invention;

fig. 2 is a bottom view of the present invention;

in the figure: 1. a kettle body; 2. a cover body; 3. a magnetic stirrer; 4. a stationary ring; 5. a base; 6. a groove; 7. a magnetic stirrer; 8. a thermal insulation layer; 9. a cavity; 10. a resistance wire; 11. a thermocouple; 12. a controller; 13. a tetrafluoro bushing; 14. a cooling coil; 15. a water inlet pipe; 16. a water outlet pipe; 17. a temperature measuring element; 18. a heat insulating layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-2, a hydrothermal reaction kettle for preparing a high-efficiency adsorption type Ca-Al-LDHs powder material comprises a kettle body 1, a cover body 2 and a magnetic stirrer 3, wherein a fixing ring 4 is fixed at the upper end of the kettle body 1, an external thread is arranged outside the fixing ring 4, an internal thread matched with the external thread is arranged on the cover body 2, and the cover body 2 is in threaded connection with the fixing ring 4, namely the internal thread is in threaded connection with the external thread.

The bottom fixing of the cauldron body 1 has base 5, is equipped with recess 6 on the base 5 that the cauldron body 1 corresponds, and in recess 6 extended to the bottom plate of the cauldron body 1, magnetic stirrers 3 had been placed in the recess 6, and magnetic stirrers 3 generally are square magnetic stirrers, and the bottom is the plane setting in the cauldron body 1, has placed magnetic stirrers 7 on it. Therefore, after the magnetic stirrer 3 is started, the magnetic stirrer 7 can rotate in the kettle body to stir materials, and the stirring is very convenient.

For heating the hydrothermal reaction kettle, a heat insulation layer 8 is coated outside a kettle body 1, a closed cavity 9 is formed between the heat insulation layer 8 and the kettle body 1, a resistance wire 10 is laid on the heat insulation layer 8 in the cavity 9, a thermocouple 11 is installed in a base 5, a probe of the thermocouple 11 extends into the cavity 9, the resistance wire 10 and the thermocouple 11 are electrically connected with a controller 12, and the controller 12 is installed on the side wall of the base 5. The probe of the thermocouple 11 detects the temperature, and transmits a temperature signal to the controller 12, the controller 12 controls the resistance wire 10 to be heated to different temperatures, and meanwhile, the on/off of the resistance wire 10 is controlled.

Further, a tetrafluoro bush 13 may be fixed in the autoclave body 1. And a heat insulating layer 18 is fixed on the side wall of the groove 6, so that the heat transmitted to the magnetic stirrer 3 by the kettle body 1 is obviously reduced, and the influence of high temperature on the magnetic stirrer 3 is avoided. The cover body 2 is provided with a temperature measuring element 17, and a probe of the temperature measuring element 17 extends into the kettle body 1 and is used for detecting the temperature of the materials in the kettle body 1.

When a hydrothermal reaction kettle is used for reaction, if the cooling speed is to be accelerated, the kettle body 1 is optionally provided with a cooling coil 14, the water inlet end of the cooling coil 14 is communicated with a water inlet pipe 15, the water outlet end of the cooling coil is communicated with a water outlet pipe 16, the water inlet pipe 15 and the water outlet pipe 16 both penetrate through the cover body 2 and are in sealing connection with the cover body 2, and valves are respectively arranged on the water inlet pipe 15 and the water outlet pipe 16. The water inlet pipe 15 and the water outlet pipe 16 are connected with hose connectors 19 in a threaded manner and are used for being connected with corresponding water inlet hoses and corresponding water outlet hoses.

When the novel efficient adsorption Ca-Al-LDHs powder material is used for preparing the hydrothermal reaction kettle, corresponding mixed salt and alkali are dissolved by water and then are placed into the hydrothermal reaction kettle, the cover body 2 is covered on the kettle body 1, and the hydrothermal reaction kettle can be sealed after being screwed tightly. The method comprises the following steps of starting the magnetic stirrer 3, driving the magnetic stirrer 7 to stir, adjusting by the controller 12 to enable the resistance wire 10 to heat the kettle body 1, controlling the heating temperature of the resistance wire 10 within a preset range through detection feedback of the thermocouple 11, heating materials in the kettle body 1 to a preset temperature, naturally cooling to room temperature or adding cold water through the cooling coil 14 to cool after reacting for a certain time, and then opening the hydrothermal reaction kettle to perform subsequent reaction.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The hydrothermal reaction kettle for preparing the high-efficiency adsorption Ca-Al-LDHs powder material is characterized by comprising a kettle body (1), a cover body (2) and a magnetic stirrer (3), wherein a fixing ring (4) is fixed at the upper end of the kettle body (1), external threads are arranged outside the fixing ring (4), internal threads matched with the external threads are arranged on the cover body (2), the cover body (2) is in threaded connection with the fixing ring (4), a base (5) is fixed at the bottom end of the kettle body (1), a groove (6) is formed in the base (5) corresponding to the kettle body (1), the groove (6) extends into a bottom plate of the kettle body (1), the magnetic stirrer (3) is placed in the groove (6), and a magnetic stirrer (7) is placed at the inner bottom end of the kettle body (1);

the kettle is characterized in that a heat insulation layer (8) is coated outside the kettle body (1), a closed cavity (9) is formed between the heat insulation layer (8) and the kettle body (1), a resistance wire (10) is paved on the heat insulation layer (8) in the cavity (9), a thermocouple (11) is installed in the base (5), a probe of the thermocouple (11) extends into the cavity (9), the resistance wire (10), the thermocouple (11) and the controller (12) are electrically connected, and the controller (12) is installed on the side wall of the base (5).

2. The hydrothermal reaction kettle for preparing the high-efficiency absorption Ca-Al-LDHs powder material as claimed in claim 1, wherein a tetrafluoro bush (13) is fixed in the kettle body (1).

3. The hydrothermal reaction kettle for preparing the high-efficiency adsorption Ca-Al-LDHs powder material as claimed in claim 1, wherein the kettle body (1) is provided with a cooling coil (14), the water inlet end of the cooling coil (14) is communicated with a water inlet pipe (15), the water outlet end of the cooling coil (14) is communicated with a water outlet pipe (16), the water inlet pipe (15) and the water outlet pipe (16) both penetrate through the cover body (2) and are hermetically connected with the cover body (2), and valves are mounted on the water inlet pipe (15) and the water outlet pipe (16).

4. The hydrothermal reaction kettle for preparing the high-efficiency absorption Ca-Al-LDHs powder material as claimed in claim 3, wherein the water inlet pipe (15) and the water outlet pipe (16) are connected with hose connectors (19) through screw threads.

5. The hydrothermal reaction kettle for preparing the high-efficiency absorption Ca-Al-LDHs powder material as claimed in claim 1, wherein the cover body (2) is provided with a temperature measuring element (17), and a probe of the temperature measuring element (17) extends into the kettle body (1).

6. The hydrothermal reaction kettle for preparing the high-efficiency absorption Ca-Al-LDHs powder material as claimed in claim 1, wherein the side wall of the groove (6) is fixed with a heat insulation layer (18).