Production equipment of ferronickel-based catalyst
By designing nickel-iron-based catalyst production equipment and utilizing components such as kettle-type stirred reactors and calcination reaction devices, continuous production of catalysts was achieved, catalytic performance and production efficiency were improved, and the problem of low automation level of existing equipment was solved.
Patent Information
- Application Number
- CN202422876299.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Existing catalyst production equipment has a low degree of automation, cumbersome operation, difficulty in achieving continuous production, high cost, and poor catalytic performance.
A nickel-iron based catalyst production equipment was designed, which includes a kettle stirred reactor, a transmission pressure pump, a spray drying device, a calcination reaction device and a vacuum drying collection chamber. By controlling parameters such as temperature and pressure, an iron-nickel solid solution is formed to improve the catalytic performance.
The continuous production of nickel-iron based catalysts is achieved, the catalytic performance is improved, the production cost is reduced and the production efficiency is improved.
Smart Images
Figure CN223454215U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to catalyst preparation technical field, specifically a kind of production equipment of nickel-iron-based catalyst. BACKGROUND
[0002] The key to prepare and select catalyst for synthesizing nanometer carbon tube by chemical vapor deposition method is catalyst preparation. In the process of large-scale preparation of nanometer carbon tube, transition metal is generally used as high-activity catalyst to control the preparation of nanometer carbon tube. Compared with single transition metal catalyst, double / multiple metal catalyst is considered to have higher nanometer carbon tube growth rate and lower reaction temperature. In addition, the morphology, composition and physicochemical properties of the catalyst also affect the structure and properties of the prepared nanometer carbon tube, and the composition control and dispersion performance of the catalyst are very important for controlling the morphology and resistivity of nanometer carbon tube, especially the tube diameter and tube length of nanometer carbon tube.
[0003] The process of preparing catalyst by hydrothermal method is relatively simple, and high-efficiency catalyst can be synthesized in a short time. Compared with traditional synthesis method, this method reduces the use of chemicals and the process to be controlled of catalyst, thereby saving the time and cost of preparing catalyst. However, most of the existing catalyst production equipment is intermittent, and the degree of automatic control is low, and the operation is relatively complicated. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a production equipment of nickel-iron-based catalyst, which can continuously produce nickel-iron-based catalyst, is easy to operate, has high production efficiency and low cost.
[0005] The utility model provides a technical scheme: a production equipment of nickel-iron-based catalyst, characterized by comprising cauldron type stirring reactor, conveying pressure pump, spray drying device, calcination reaction device and vacuum drying collection chamber, the cauldron type stirring reactor is used for producing nickel-iron-based catalyst microemulsion, the discharge port of the cauldron type stirring reactor is connected with the feed inlet of the conveying pressure pump, the discharge port of the conveying pressure pump is connected with the feed inlet of the spray drying device, the discharge port of the spray drying device is connected with the nozzle arranged at the top of the calcination reaction device through the conveying pipeline, and the discharge port of the calcination reaction device is connected with the inlet of the vacuum drying collection chamber.
[0006] Further, the cauldron type stirring reactor comprises a top cover, a cauldron body and an electric stirring device, the top cover and the cauldron body are sealingly connected, a feed inlet, a pressure sensor and a temperature sensor are arranged above the top cover, and a temperature control zone is arranged at the lower part of the cauldron body, and a heating element is arranged in the temperature control zone.
[0007] Further, the feed inlet is provided with two feed inlets arranged on the left and right sides of the top cover, a gas vent is further arranged on the top cover, and a first discharge valve is arranged at the discharge port of the cauldron body.
[0008] Further, the output ends of the pressure sensor and the temperature sensor are connected with the input end of the controller, and the output end of the controller is connected with the heating element for controlling the heating temperature.
[0009] Further, the electric stirring device comprises a motor and a stirring paddle penetrating into the inside of the kettle body and connected with the output end of the motor, and the bottom of the kettle type stirring reactor is provided with supporting feet.
[0010] Further, the inside of the calcination reaction device is provided with a heating element and a catalyst growth plate, the upper side of the catalyst growth plate is provided with a transverse spiral stirring rod, the spiral stirring rod is driven by the motor arranged outside the calcination reaction device, and the two ends of the calcination reaction device are respectively provided with an air inlet and an air outlet, the air inlet is connected with an external air source in communication, and the air outlet is connected with an external environment in communication.
[0011] Further, the heating element of the calcination reaction device adopts an electromagnetic induction coil and a metal cavity, the electromagnetic induction coil is sleeved outside the metal cavity, and the electromagnetic induction coil is connected with an external power supply assembly and a controller.
[0012] Further, the inner wall of the calcination reaction device is provided with a heat preservation layer, and the discharge port of the calcination reaction device is provided with a second discharge valve.
[0013] Further, the discharge port of the calcination reaction device and the feeding port of the vacuum drying and collecting chamber are provided with a discharge conveyor.
[0014] Further, the bottom of the calcination reaction device is symmetrically provided with supporting plates, and the bottom of each supporting plate is provided with a hydraulic lifting platform.
[0015] The utility model discloses a combination production device, obtains a set of equipment that can continuously produce nickel iron base catalyst, forms the iron nickel solid solution that produces the synergistic effect between each other through the technical parameter such as control temperature, pressure, makes its catalytic performance greatly improve, and the yield of carbon nanotube prepared from it is obviously higher than the yield of carbon nanotube prepared from single active metal Fe or Ni catalyst. The utility model discloses simple structure, reasonable in design, and equipment cost is low, and operation is convenient, and production efficiency is high, and has higher practical value. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic diagram of the utility model;
[0017] In the figure: 1 - kettle type stirring reactor, 1-1 - electric stirring device, 1-2 - feed inlet, 1-3 - pressure sensor, 1-4 - temperature sensor, 1-5 - temperature control zone, 1-6 - gas discharge port, 1-7 - support foot, 2 - transfer pressure pump, 3 - spray drying device, 4 - calcination reaction device, 4-1 - heating element, 4-2 - catalyst growth plate, 4-3 - gas inlet, 4-4 - gas outlet, 4-5 - heat preservation layer, 4-6 - support plate, 4-7 - nozzle, 4-8 - spiral stirring rod, 5 - vacuum drying collection chamber, 6 - conveying pipeline, 7 - first discharge valve, 8 - controller, 9 - second discharge valve, 10 - discharge conveyor, 11 - hydraulic lifting platform. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0019] In the description of the present application, it should be noted that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.
[0020] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "sleeved / connected", "connected" and the like should be broadly understood, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0021] As Figure 1The production equipment of the shown one kind of nickel-iron-based catalyst includes cauldron type stirring reactor 1, conveying pressure pump 2, spray drying device 3, calcination reaction device 4 and vacuum drying collection chamber 5, the cauldron type stirring reactor 1 is used to produce nickel-iron-based catalyst microemulsion, the discharge port of the cauldron type stirring reactor 1 is connected with the feed inlet of conveying pressure pump 2, the discharge port of conveying pressure pump 2 is connected with the feed inlet of spray drying device 3, the discharge port of spray drying device 3 is connected with nozzle 4-7 arranged at the top of calcination reaction device 4 through conveying pipeline 6, and the discharge port of calcination reaction device 4 is connected with the inlet of vacuum drying collection chamber 5.
[0022] The conveying pressure pump 2 can push the liquid to the target spray drying device 3, and the conveying speed and efficiency are accelerated by increasing the flow rate and pressure of the liquid.
[0023] The cauldron type stirring reactor 1 includes a top cover, a cauldron body and an electric stirring device 1-1, the top cover and the cauldron body are sealingly connected, the top cover is provided with a feed inlet 1-2, a pressure sensor 1-3 and a temperature sensor 1-4 above, the lower part of the cauldron body is provided with a temperature control area 1-5, and a heating element is arranged in the temperature control area 1-5. The feed inlet 1-2 has two feed inlets arranged on the left and right sides of the top cover respectively, and a gas vent 1-6 is further arranged on the top cover. The output ends of the pressure sensor 1-3 and the temperature sensor 1-4 are connected with the input end of a controller 8, the output end of the controller 8 is connected with the heating element of the temperature control area 1-5, and the heating temperature is controlled. The electric stirring device 1-1 includes a motor and a stirring paddle connected with the output end of the motor and extending into the cauldron body, and the bottom of the cauldron type stirring reactor 1 is provided with supporting legs 1-7. The cauldron type stirring reactor 1 is a temperature-controllable and heatable cauldron type stirring device.
[0024] The inside of the calcination reaction device 4 is provided with a heating element 4-1 and a catalyst growth plate 4-2, the upper part of the catalyst growth plate 4-2 is provided with a transverse spiral stirring rod 4-8, the spiral stirring rod 4-8 is driven by a motor arranged outside the calcination reaction device 4, and the two ends of the calcination reaction device 4 are respectively provided with an air inlet 4-3 and an air outlet 4-4.
[0025] In an embodiment, the heating element 4-1 of the calcination reaction device 4 adopts an electromagnetic induction coil and a metal cavity, the electromagnetic induction coil is sleeved outside the metal cavity, and the electromagnetic induction coil is connected with an external power supply assembly and a controller.
[0026] The inner wall of the calcination reaction device 4 is provided with a heat preservation layer 4-5, and the discharge port of the calcination reaction device 4 is provided with a second discharge valve 9. A discharge conveyor 10 is arranged between the discharge port of the calcination reaction device 4 and the feeding port of the vacuum drying and collecting chamber 5. The bottom of the calcination reaction device 4 is symmetrically provided with support plates 4-6, and the bottom of each support plate 4-6 is provided with a hydraulic lifting platform 11.
[0027] In an embodiment, a thermocouple for temperature measurement is arranged in the calcination reaction device 4, and the thermocouple is connected with an external temperature measuring instrument.
[0028] In actual use, first, the corresponding chemical reagent is added to the kettle type stirring reactor 1 through the feeding port 1-2, then the electric stirring device 1-1, the pressure sensor 1-3 and the temperature sensor 1-4 are turned on, the temperature control area 1-5 is used to control the temperature rising speed to the set temperature, and the solution is slowly stirred to evaporate slowly. After heating for a certain period of time, the liquid state in the kettle is observed, and when the microemulsion state is reached, the heating is stopped. The microemulsion in the kettle body is transferred to the spray drying device 3 for drying treatment by opening the conveying pressure pump 2, and the obtained catalyst precursor powder is conveyed to the nozzle 4-7 through the conveying pipeline 6. Through the spraying operation, the powder is uniformly deposited on the catalyst growth plate 4-2. Before this, the inert gas is introduced into the calcination reaction device 4 through the air inlet 4-3, the air in the calcination reaction device 4 is discharged from the air outlet 4-4, and the calcination reduction reaction is carried out in a safe atmosphere. Then, the heating element 4-1 is used to control the temperature rising speed to the set temperature, hydrogen or other reducing gas is introduced into the calcination reaction device 4 through the air inlet 4-3, and the reduced catalyst is deposited on the catalyst growth plate 4-2. At the same time, the motor drives the spiral stirring rod 4-8 to continuously stir, so that the reaction is complete. When the catalyst grows to a certain extent, the gas supply is stopped, the hydraulic lifting platform 11 is started, the calcination reaction device 4 is tilted to discharge, and the discharge conveyor 10 is started to collect in the vacuum drying and collecting chamber 5.
[0029] The above is only a detailed description of the specific implementation scheme of the utility model, and does not limit the utility model, and any modification, equivalent replacement and improvement made on the design idea of the utility model shall be included in the protection scope of the utility model.
Claims
1. A production equipment for nickel-iron based catalyst, characterized in that, It includes cauldron type stirring reactor (1), conveying pressure pump (2), spray drying device (3), calcination reaction device (4) and vacuum drying collection chamber (5), the cauldron type stirring reactor (1) is used for producing nickel iron-based catalyst microemulsion, the discharge port of the cauldron type stirring reactor (1) is connected with the feed inlet of conveying pressure pump (2), the discharge port of conveying pressure pump (2) is connected with the feed inlet of spray drying device (3), the discharge port of spray drying device (3) is connected with nozzle (4-7) arranged at the top of calcination reaction device (4) through conveying pipeline (6), and the discharge port of calcination reaction device (4) is connected with the inlet of vacuum drying collection chamber (5).
2. The apparatus for producing a ferronickel-based catalyst according to claim 1, wherein The cauldron type stirring reactor (1) includes a top cover, a cauldron body and an electric stirring device (1-1), the top cover and the cauldron body are sealingly connected, the top cover is provided with a feed inlet (1-2), a pressure sensor (1-3) and a temperature sensor (1-4) above, and the lower part of the cauldron body is provided with a temperature control area (1-5) with a heating element arranged inside.
3. The apparatus for producing a ferronickel-based catalyst according to claim 2, wherein The feed inlet (1-2) has two respectively arranged on the left and right sides of the top cover, and a gas vent (1-6) is further arranged on the top cover, and the discharge port of the cauldron body is provided with a first discharge valve (7).
4. The apparatus for producing a ferronickel-based catalyst according to claim 2, wherein The output ends of the pressure sensor (1-3) and the temperature sensor (1-4) are connected with the input end of a controller (8), the output end of the controller (8) is connected with the heating element of the temperature control area (1-5) for controlling the heating temperature.
5. The apparatus for producing a ferronickel-based catalyst according to claim 2, wherein The electric stirring device (1-1) includes a motor and a stirring paddle connected with the output end of the motor and extending into the inside of the cauldron body, and the bottom of the cauldron type stirring reactor (1) is provided with supporting feet (1-7).
6. The apparatus for producing a ferronickel-based catalyst according to claim 1, wherein The inside of the calcination reaction device (4) is provided with a heating element (4-1) and a catalyst growth plate (4-2), the upper part of the catalyst growth plate (4-2) is provided with a transverse spiral stirring rod (4-8), the spiral stirring rod (4-8) is driven by a motor arranged outside the calcination reaction device (4), and the two ends of the calcination reaction device (4) are respectively provided with an air inlet (4-3) and an air outlet (4-4), the air inlet (4-3) is communicated with an external air source, and the air outlet (4-4) is communicated with an external environment.
7. The apparatus for producing a ferronickel-based catalyst according to claim 6, wherein The heating element (4-1) of the calcination reaction device (4) adopts an electromagnetic induction coil and a metal cavity, the electromagnetic induction coil is sleeved outside the metal cavity, and the electromagnetic induction coil is connected with an external power supply assembly and a controller.
8. The apparatus for producing a ferronickel-based catalyst according to claim 1, wherein The inner wall of the calcination reaction device (4) is provided with a heat preservation layer (4-5), and the discharge port of the calcination reaction device (4) is provided with a second discharge valve (9).
9. The apparatus for producing a ferronickel-based catalyst according to claim 1, wherein The discharge port of the calcination reaction device (4) and the feed inlet of the vacuum drying collection chamber (5) are provided with a discharge conveyor (10).
10. The apparatus for producing a ferronickel-based catalyst according to claim 1, wherein The bottom of the calcination reaction device (4) is symmetrically provided with supporting plates (4-6), and the bottom of each supporting plate (4-6) is provided with a hydraulic lifting platform (11).