Vertical activation furnace simulation equipment with continuous feeding function
By designing a vertical activation furnace simulation equipment for continuous feed, the problem that existing equipment cannot achieve continuous production and effectively simulate the Srep activation furnace process is solved, and the better simulation of the Srep activation furnace production process is achieved, and the research on the production process of the Srep activation furnace is promoted.
Patent Information
- Application Number
- CN202421599676.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-07-08
AI Technical Summary
Most of the activation simulation equipment used in existing laboratories are horizontal rotary test furnaces, which cannot achieve continuous production status and cannot effectively simulate the process status of the Srep activation furnace.
A vertical activation furnace simulation equipment for continuous feeding is designed, including a feed hopper, rotary feeder, activation tube, feed pipe, discharge pipe, exhaust pipe, solenoid control valve, electric heating device and heat insulation box. By controlling the rotary feeder, solenoid control valve and electric heating device, continuous feed and temperature control in the activation tube is realized, and the production process of the Srep activation furnace is simulated.
A better simulation of the production process of Srep activation furnace is achieved, which is conducive to the research and understanding of the production process of Srep activation furnace.
Smart Images
Figure CN222821253U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of activated carbon processing, and in particular to a vertical activation furnace simulation device with continuous feeding. Background Art
[0002] At present, most of the activation simulation equipment used in laboratories are horizontal rotary test furnaces, which can only process one furnace of samples at a time. They cannot achieve the continuous production state of a real Slep activation furnace and cannot simulate the process conditions of a Slep activation furnace well. Utility Model Content
[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a vertical activation furnace simulation device with continuous feeding, which can better simulate the production process of the Slep activation furnace and is conducive to studying the production process of the Slep activation furnace.
[0004] The present application provides a vertical activation furnace simulation device with continuous feeding, including: a feed hopper, a first rotary feeder, an activation pipe, a feed pipe, a discharge pipe, an exhaust pipeline, a one-way exhaust valve, a first electromagnetic control valve, an air intake pipeline, a one-way air intake valve, a second electromagnetic control valve, a pressure controller, a second rotary feeder, a material discharge pipeline, a vertical electric heating device and a heat insulation box;
[0005] The feed pipe is arranged on the activation pipe, the activation pipe is arranged on the discharge pipe, the first rotary feeder is arranged in the feed pipe, the second rotary feeder is arranged in the discharge pipe, the output end of the feed hopper extends to the inside of the feed pipe and is connected to the first rotary feeder, the exhaust pipeline is arranged on the side wall of the activation pipe and close to the first rotary feeder, the exhaust pipeline is connected to the inside of the activation pipe, the one-way exhaust valve and the first electromagnetic control valve are both arranged on the exhaust pipeline, and the first electromagnetic control valve is arranged between the one-way exhaust valve and the activation pipe;
[0006] The air intake pipeline is arranged on the side wall of the activation tube and is arranged close to the second rotary feeder. The air intake pipeline is connected to the inside of the activation tube. The one-way air intake valve and the second electromagnetic control valve are both arranged on the air intake pipeline, and the second electromagnetic control valve is arranged between the one-way air intake valve and the activation tube. The first electromagnetic control valve and the second electromagnetic control valve are both connected to the pressure controller. The material discharge pipeline is connected to the bottom of the discharge pipe.
[0007] The activation tube is vertically arranged through the top and bottom ends of the heat insulation box, the vertical electric heating device is arranged in the heat insulation box, and the vertical electric heating device is arranged close to the activation tube.
[0008] According to some embodiments of the present application, the continuous feeding vertical activation furnace simulation equipment also includes an air pressure detection display, which is connected to the interior of the activation tube and is arranged close to the first rotary feeder.
[0009] According to some embodiments of the present application, the vertical electric heating device includes a resistance heating mechanism, a thermocouple and a temperature controller, the thermocouple is respectively connected to the resistance heating mechanism and the temperature controller, and the resistance heating mechanism is evenly distributed around the activation tube.
[0010] According to some embodiments of the present application, the temperature controller controls the temperature of the heating chamber formed inside the thermal insulation box to be between room temperature and 1200°C.
[0011] According to some embodiments of the present application, the continuous feeding vertical activation furnace simulation equipment also includes a control mechanism and a driving mechanism, the control mechanism is connected to the driving mechanism, the driving mechanism is respectively connected to the first rotary feeder and the second rotary feeder, and the control mechanism is used to control the rotation frequency of the first rotary feeder and the second rotary feeder through the driving mechanism.
[0012] According to some embodiments of the present application, the activation tube is a vertical quartz glass tube.
[0013] According to some embodiments of the present application, the pressure control range of the pressure controller is between -0.05MPa and 0.04MPa.
[0014] According to some embodiments of the present application, the activation tube is a pressure-resistant and temperature-resistant metal tube.
[0015] According to some embodiments of the present application, the activated tube is a corundum tube.
[0016] In the present application, before the equipment is used, raw materials are added to the feed hopper, and the first rotary feeder is turned on to keep the first rotary feeder in a continuous rotation state. At this time, the feeding speed of the feed hopper to the activation tube is controlled by the first rotary feeder. When the raw materials in the feed hopper gradually fill the activation tube, the first rotary feeder is closed. When the reaction temperature of the activation tube is controlled to a first preset temperature value by a vertical electric heating device, the one-way air inlet valve is opened, and the pressure controller controls the second electromagnetic control valve to open, so as to introduce activation gas into the activation tube through the air inlet pipeline. The activation gas is introduced into the activation tube from the bottom of the activation tube, which can reduce the material temperature at the discharge port at the bottom of the activation tube and prevent the discharge temperature from being too high. If the pressure is too high, it will damage the equipment or cause the material to self-ignite after being discharged. At the same time, the discharge speed of the material is controlled by the second rotary feeder; a one-way exhaust valve is set on the exhaust pipeline, and a one-way intake valve is set on the intake pipeline to ensure that the airflow direction is consistent. The first electromagnetic control valve and the second electromagnetic control valve are respectively set on the intake pipeline and the exhaust pipeline, so that the pressure controller can control the gas outlet of the exhaust pipeline through the first electromagnetic control valve and the gas intake of the intake pipeline through the second electromagnetic control valve; the reaction temperature in the activation tube is controlled by a vertical electric heating device. Through temperature control, the temperature gradient heating and insulation can be set to simulate the process of the activation furnace. Through this setting, the present application can better simulate the production process of the Slep activation furnace, which is conducive to the study of the production process of the Slep activation furnace.
[0017] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:
[0019] Figure 1 A schematic diagram of the structure of a vertical activation furnace simulation device with continuous feeding provided in an embodiment of the present application;
[0020] Figure 2 A schematic diagram of the structure of a vertical activation furnace simulation device with continuous feeding provided in an embodiment of the present application without the heat insulation box.
[0021] Reference numerals:
[0022] Feed hopper 110, feed pipe 111, first rotary feeder 112, discharge pipe 113, second rotary feeder 114, material discharge pipeline 115, heat insulation box 116, heating wire 117;
[0023] Activation tube 120 , air pressure detection display 121 , exhaust pipeline 122 , air intake pipeline 123 , sealing connector 124 . DETAILED DESCRIPTION
[0024] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.
[0025] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0026] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
[0027] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.
[0028] At present, most of the activation simulation equipment used in laboratories are horizontal rotary test furnaces, which can only process one furnace of samples at a time. They cannot achieve the continuous production state of a real Slep activation furnace and cannot simulate the process conditions of a Slep activation furnace well.
[0029] In order to solve the above problems, the present application proposes a vertical activation furnace simulation device with continuous feeding. The embodiments of the present application are further explained below in conjunction with the accompanying drawings.
[0030] Reference Figure 1 to Figure 2The present application provides a vertical activation furnace simulation device with continuous feeding, comprising: a feed hopper 110, a first rotary feeder 112, an activation pipe 120, a feed pipe 111, a discharge pipe, an exhaust pipeline 122, a one-way exhaust valve, a first electromagnetic control valve, an air intake pipeline 123, a one-way air intake valve, a second electromagnetic control valve, a pressure controller, a second rotary feeder 114, a material discharge pipeline 115, a vertical electric heating device and a heat insulation box 116; the feed pipe 111 is arranged on the activation pipe 120, the activation pipe 120 is arranged on the discharge pipe, the first rotary feeder 112 is arranged in the feed pipe 111, the second rotary feeder 114 is arranged in the discharge pipe 113, the output end of the feed hopper 110 extends to the inside of the feed pipe 111 and is connected to the first rotary feeder 112, and the exhaust pipeline 122 is arranged on the side wall of the activation pipe 120 and close to the first rotary feeder 1 12 is set, the exhaust pipeline 122 is connected to the inside of the activation tube 120, the one-way exhaust valve and the first electromagnetic control valve are both arranged on the exhaust pipeline 122, and the first electromagnetic control valve is arranged between the one-way exhaust valve and the activation tube 120; the air intake pipeline 123 is arranged on the side wall of the activation tube 120 and is close to the second rotary feeder 114, the air intake pipeline 123 is connected to the inside of the activation tube 120, the one-way air intake valve and the second electromagnetic control valve are both arranged on the air intake pipeline 123, and the second electromagnetic control valve is arranged between the one-way air intake valve and the activation tube 120, the first electromagnetic control valve and the second electromagnetic control valve are both connected to the pressure controller, and the material discharge pipeline 115 is connected to the bottom of the discharge pipe 113; the activation tube 120 is vertically penetrated through the top and bottom ends of the heat insulation box 116, the vertical electric heating device is arranged in the heat insulation box 116, and the vertical electric heating device is arranged close to the activation tube 120.
[0031] It should be noted that the raw materials used in the equipment of the present application can be various carbon-containing raw materials. Due to the vertical layout, the volatile matter in the raw materials should not be too high and should not exceed 10%, otherwise volatile tar will be produced, causing blockage of the bottom discharge port and air inlet.
[0032] It should be noted that the activation process needs to be isolated from external gases, so the first rotary feeder 112 and the second rotary feeder 114 are used to achieve the sealing of the gas in the activation tube 120; the vertical activation furnace simulation equipment with continuous feeding in the present application is used to simulate the Slep activation furnace in the laboratory for small and medium tests of activated carbon, and adopts a continuous feeding scheme of upper feeding and lower discharging, which can well simulate the production process conditions of the Slep activation furnace, which is conducive to the study of the production process of the Slep activation furnace.
[0033] It should be noted that the speed of feeding and discharging is controlled by the rotation frequency of the first rotary feeder 112 and the second rotary feeder 114 arranged at the top and bottom of the activation tube 120. The first rotary feeder 112 or the second rotary feeder 114 will feed or discharge a certain volume of material every time it rotates 180°. The higher the rotation frequency, the faster the material will enter and exit.
[0034] In some embodiments, sealing connectors 124 are symmetrically arranged at the connection between the feed pipe 111 and the activation tube 120 and at the connection between the discharge pipe 113 and the activation tube 120 to isolate external gas and prevent external gas from entering the activation tube 120 through the connection between the feed pipe 111 and the activation tube 120 and at the connection between the discharge pipe 113 and the activation tube 120.
[0035] It should be noted that the activation gas may be steam, carbon dioxide, nitrogen, ammonia, etc., which is not limited in the embodiments of the present application.
[0036] In the present application, before the equipment is used, raw materials are added to the feed hopper 110, and the first rotary feeder 112 is turned on to keep the first rotary feeder 112 in a continuous rotation state. At this time, the feeding speed of the feed hopper 110 to the activation tube 120 is controlled by the first rotary feeder 112. When the raw materials in the feed hopper 110 gradually fill up the activation tube 120, the first rotary feeder 112 is closed. When the reaction temperature of the activation tube 120 is controlled to a first preset temperature value by a vertical electric heating device, the one-way air inlet valve is opened, and the pressure controller controls the second electromagnetic control valve to open, so as to pass the activation gas into the activation tube 120 through the air inlet line 123. The activation gas is passed into the activation tube 120 from the bottom of the activation tube 120, which can reduce the discharge port at the bottom of the activation tube 120. The material temperature is controlled to prevent the discharge temperature from being too high to damage the equipment or causing the material to self-ignite after discharge, and the discharge speed of the material is controlled by the second rotary feeder 114; a one-way exhaust valve is set on the exhaust pipeline 122, and a one-way intake valve is set on the intake pipeline 123 to ensure that the airflow direction is consistent, and a first electromagnetic control valve and a second electromagnetic control valve are respectively set on the intake pipeline 123 and the exhaust pipeline 122, so that the pressure controller can control the gas outlet of the exhaust pipeline 122 through the first electromagnetic control valve and the gas intake of the intake pipeline 123 through the second electromagnetic control valve; the reaction temperature in the activation tube 120 is controlled by a vertical electric heating device, and the temperature gradient heating and heat preservation can be set by temperature control to simulate the process of the activation furnace. Through this setting, the present application can better simulate the production process of the Slep activation furnace, which is conducive to the study of the production process of the Slep activation furnace.
[0037] Reference Figure 1 to Figure 2 It can be understood that the continuous feeding vertical activation furnace simulation equipment also includes an air pressure detection display 121, which is connected to the interior of the activation tube 120 and is arranged close to the first rotary feeder 112.
[0038] In some embodiments, the connection point between the gas detector and the inside of the activation tube 120 is symmetrically arranged with the exhaust pipeline 122; a gas detection display is arranged near the top of the activation tube 120 to monitor the pressure changes inside the activation tube 120 at any time.
[0039] It can be understood that the vertical electric heating device includes a resistance heating mechanism, a thermocouple and a temperature controller, the thermocouple is connected to the resistance heating mechanism and the temperature controller respectively, and the resistance heating mechanism is evenly distributed around the activation tube 120.
[0040] It is understandable that the temperature controller controls the temperature of the heating chamber formed inside the heat insulation box 116 to be between room temperature and 1200°C.
[0041] In this embodiment, the resistance heating mechanism is composed of a plurality of heating wires 117, which are evenly arranged on the outer wall of the activation tube 120. The connection between the top of the activation tube 120 and the exhaust pipeline 122 is arranged outside the heat insulation box 116, and the connection between the bottom of the activation tube 120 and the air intake pipeline 123 is also arranged outside the heat insulation box 116. The first rotary feeder 112 is arranged above the exhaust pipeline 122, and the second rotary feeder 114 is arranged below the air intake pipeline 123.
[0042] It can be understood that the continuous feeding vertical activation furnace simulation equipment also includes a control mechanism and a driving mechanism. The control mechanism is connected to the driving mechanism, and the driving mechanism is respectively connected to the first rotary feeder 112 and the second rotary feeder 114. The control mechanism is used to control the rotation frequency of the first rotary feeder 112 and the second rotary feeder 114 through the driving mechanism.
[0043] In this embodiment, the driving mechanism is a stepper motor, and the first rotary feeder 112 and the second rotary feeder 114 are both driven by stepper motors. The control mechanism sends a rotation signal to the stepper motor. Each rotation signal causes the stepper motor to control the corresponding first rotary feeder 112 or second rotary feeder 114 to rotate 180 degrees to achieve one-time feeding or discharging.
[0044] It should be noted that after the feeding and discharging frequencies are set by the control mechanism, the vertical activation furnace simulation equipment with continuous feeding starts to operate continuously. Generally, activation will consume part of the raw materials, so the discharging speed will be slower than the feeding speed; the heating section of the activation tube 120 is set in the middle, so the raw materials first added at the bottom do not undergo the high temperature process, and this part of the materials can be discarded or re-entered into the feed hopper 110 for reuse during discharging; since the raw materials are continuously added to the feed hopper 110, when the materials first added to the activation tube 120 are all replaced by the discharging conveyor and transported out of the furnace, the materials discharged thereafter will be stable under the set process parameters and realize continuous discharging; usually, when testing coal-based activated carbon, water vapor is used as the activation gas, the activation temperature is 950°C, the furnace pressure is normal pressure, 300g of materials can be continuously discharged per hour, and the carbon tetrachloride adsorption value reaches more than 60%.
[0045] It is understood that the activation tube 120 is a vertical quartz glass tube.
[0046] It should be noted that a vertical quartz glass tube layout is adopted to facilitate observation of the reaction process of the material in the activation tube 120 .
[0047] It can be understood that the pressure control range of the pressure controller is between -0.05MPa and 0.04MPa.
[0048] It should be noted that when a vertical quartz glass tube is used, the relative pressure control range should not exceed the range of -0.05MPa to 0.04MPa.
[0049] It can be understood that the activation tube 120 is a pressure-resistant and temperature-resistant metal tube.
[0050] It should be noted that, compared with the vertical quartz glass tube, the pressure-resistant and temperature-resistant metal tube can increase the temperature and pressure of the activation tube 120 .
[0051] It can be understood that the activation tube is a corundum tube.
[0052] It should be noted that compared with the vertical quartz glass tube, the corundum tube is more resistant to high temperatures than the quartz glass tube. The vertical quartz glass tube and the corundum tube can be used interchangeably according to the situation.
[0053] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.
[0054] The above is a preferred embodiment of the present application. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application. These improvements and modifications are also considered to be within the scope of protection of the present application.
[0055] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.
Claims
1. A vertical activation furnace simulation device with continuous feeding, characterized in that: include: Feed hopper, first rotary feeder, activation pipe, feed pipe, discharge pipe, exhaust pipeline, one-way exhaust valve, first electromagnetic control valve, air intake pipeline, one-way air intake valve, second electromagnetic control valve, pressure controller, second rotary feeder, material discharge pipeline, vertical electric heating device and heat insulation box; The feed pipe is arranged on the activation pipe, the activation pipe is arranged on the discharge pipe, the first rotary feeder is arranged in the feed pipe, the second rotary feeder is arranged in the discharge pipe, the output end of the feed hopper extends to the inside of the feed pipe and is connected to the first rotary feeder, the exhaust pipeline is arranged on the side wall of the activation pipe and close to the first rotary feeder, the exhaust pipeline is connected to the inside of the activation pipe, the one-way exhaust valve and the first electromagnetic control valve are both arranged on the exhaust pipeline, and the first electromagnetic control valve is arranged between the one-way exhaust valve and the activation pipe; The air intake pipeline is arranged on the side wall of the activation tube and is arranged close to the second rotary feeder. The air intake pipeline is connected to the inside of the activation tube. The one-way air intake valve and the second electromagnetic control valve are both arranged on the air intake pipeline, and the second electromagnetic control valve is arranged between the one-way air intake valve and the activation tube. The first electromagnetic control valve and the second electromagnetic control valve are both connected to the pressure controller. The material discharge pipeline is connected to the bottom of the discharge pipe. The activation tube is vertically arranged through the top and bottom ends of the heat insulation box, the vertical electric heating device is arranged in the heat insulation box, and the vertical electric heating device is arranged close to the activation tube.
2. The continuous feeding vertical activation furnace simulation device according to claim 1 is characterized in that: The continuous feeding vertical activation furnace simulation equipment also includes an air pressure detection display, which is connected to the interior of the activation tube and is arranged close to the first rotary feeder.
3. The continuous feeding vertical activation furnace simulation device according to claim 1 is characterized in that: The vertical electric heating device comprises a resistance heating mechanism, a thermocouple and a temperature controller. The thermocouple is connected to the resistance heating mechanism and the temperature controller respectively. The resistance heating mechanism is evenly distributed around the activation tube.
4. The continuous feeding vertical activation furnace simulation device according to claim 3 is characterized in that: The temperature controller controls the temperature of the heating chamber formed inside the heat insulation box to be between room temperature and 1200°C.
5. The continuous feeding vertical activation furnace simulation device according to claim 1 is characterized in that: The continuous feeding vertical activation furnace simulation equipment also includes a control mechanism and a driving mechanism, the control mechanism is connected to the driving mechanism, the driving mechanism is respectively connected to the first rotary feeder and the second rotary feeder, and the control mechanism is used to control the rotation frequency of the first rotary feeder and the second rotary feeder through the driving mechanism.
6. The continuous feeding vertical activation furnace simulation device according to claim 1, characterized in that: The activation tube is a vertical quartz glass tube.
7. The continuous feeding vertical activation furnace simulation device according to claim 6 is characterized in that: The pressure control range of the pressure controller is between -0.05MPa and 0.04MPa.
8. The continuous feeding vertical activation furnace simulation device according to claim 1, characterized in that: The activation tube is a pressure-resistant and temperature-resistant metal tube.
9. The continuous feeding vertical activation furnace simulation device according to claim 1, characterized in that: The activated tube is a corundum tube.