Green energy-saving device for rice hull-based activated carbon material purification process
Through the combination of reactors and green energy-saving devices with multiple equipment, the problems of small and medium-sized batches, uneven quality and excessive waste liquid emissions in traditional activated carbon purification are solved, and efficient and environmentally friendly production of rice husk-based activated carbon is achieved.
Patent Information
- Application Number
- CN202422451036.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-11
- Publication Date
- 2025-08-01
- Estimated Expiration
- 2034-10-11
AI Technical Summary
Traditional activated carbon purification production has problems such as small batches, multiple batches, uneven and stable quality, excessive acid and alkali emissions, and large water resource utilization, and lack of complete preparation system devices.
The reactor with a stirring device is combined with a variety of equipment to form a complete preparation system, including heat exchange interlayer, steam heating, plate and frame filter press, etc., to realize the purification of rice husk-based activated carbon, solid-liquid separation and waste liquid recycling.
It has achieved efficient purification of rice husk-based activated carbon materials, improved production efficiency, reduced waste liquid emissions, and achieved a green and energy-saving production system.
Smart Images
Figure CN223170921U_ABST
Abstract
Description
Technical Field
[0001] The utility model discloses a green energy-saving device for the purification process of rice husk-based activated carbon materials, belonging to the technical field of biomass carbon material preparation. Background Art
[0002] Traditional activated carbon materials mainly use coconut shells, peanut shells, and apricot kernels as raw materials. In the activation process, steam activation is mostly used. In the subsequent purification process, centrifuge equipment is mostly used for washing and purification, and a large amount of acids and alkalis are also used. Affected by the specifications of centrifuge equipment, its purification production efficiency is low, resulting in small and multiple batches, which is not conducive to the uniform stability of the quality of high-end activated carbon. The waste liquid generated is mainly directly discharged and then comprehensively treated. Therefore, the industry is actively trying to innovate new purification process equipment, but in the actual process, there are certain limitations and uncontrollable factors, so there is a lack of a complete set of preparation system devices. Summary of the Utility Model
[0003] The purpose of the utility model is to solve the problems of small batches, multiple batches, and uneven and unstable quality in the purification production of traditional activated carbon. At the same time, considering the problems of excessive discharge of acids, alkalis, and salts in the process raw materials and large water resource utilization, a green energy-saving device for the purification process of rice husk-based activated carbon materials is proposed.
[0004] The problems to be solved by the utility model are realized by the following technical solutions:
[0005] A green energy-saving device for the purification process of rice husk-based activated carbon materials includes a reaction kettle with a stirring device. The outer side of the reaction kettle is provided with a heat exchange interlayer filled with heat exchange oil, and the heat exchange interlayer is connected to a heat exchange and insulation system through a pipeline. The inside of the reaction kettle is connected to an acid solution metering and filling system, a steam heating system, and a buffer tank system through pipelines of an acid addition port, a steam inlet, and a discharge port respectively. Materials and pure water are injected into the inside of the reaction kettle through a feed port and a pure water filling port. The inside of the buffer tank system is connected to a plate and frame filter press device through a pipeline. A belt conveyor device is arranged at the material outlet of the plate and frame filter press device, and the filtrate outlet is connected to a waste liquid recovery system through a pipeline.
[0006] Preferably, the pure water filling port is connected to one end of a first electromagnetic valve, the other end of the first electromagnetic valve is connected to an external pure water pipeline, and the first electromagnetic valve is electrically connected to a first liquid level display controller that penetrates into the inside of the reaction kettle. The acid solution metering and filling system includes an acid solution storage tank. The top of the acid solution storage tank is provided with an exhaust port and a tank acid addition port for injecting external acid solution into it. One side of the acid solution storage tank is connected to a metering pump through a pipeline, and the metering pump is connected to the acid addition port. A second electromagnetic valve is arranged at the pipeline connecting the top of the acid addition port and the metering pump.
[0007] Preferably, the steam heating system includes a steam heater extending into the reactor through a steam inlet. The steam inlet is connected to one end of a third solenoid valve through a pipeline. The other end of the third solenoid valve is communicated with an external saturated steam pipeline. The third solenoid valve is electrically connected to a first TIC temperature display controller with one end extending into the reactor.
[0008] Preferably, the heat exchange and insulation system includes a heat exchange oil tank filled with heat exchange oil inside. One side of the heat exchange oil tank is provided with a heat exchange oil outlet connected to one end of an oil pump. The other end of the oil pump extends into the heat exchange interlayer through a pipeline. A return oil port is provided on one side inside the heat exchange interlayer. The return oil port extends into the heat exchange oil tank through a pipeline to form a closed loop. A heating layer is provided outside the heat exchange oil tank. The heating layer is communicated with one end of a fourth solenoid valve through a pipeline. The other end of the fourth solenoid valve is communicated with an external saturated steam pipeline. The fourth solenoid valve is electrically connected to a third TIC temperature display controller with one end extending into the heating layer. The oil pump is electrically connected to a second TIC temperature display controller with one end extending into the heat exchange interlayer.
[0009] Preferably, the discharging port is communicated with one end of a charging pump. The other end of the charging pump is communicated with a buffer tank with a stirring device through a pipeline. The charging pump is electrically connected to a second liquid level display controller with one end extending into the buffer tank. A cooling layer is provided outside the buffer tank. The cooling layer is communicated with one end of a water pump through a pipeline. The other end of the water pump is communicated with the inside of a cooling water circulation tank filled with cooling water. The water pump is electrically connected to a fourth TIC temperature display controller with one end extending into the cooling layer.
[0010] Preferably, the inside of the buffer tank is communicated with one end of a charging pump through a pipeline. The other end of the charging pump is communicated with a plate and frame filter press device through a pipeline. The charging pump is electrically connected to a PIC pressure controller extending into the pipeline communicating the other end of the charging pump with the plate and frame filter press device.
[0011] Preferably, the waste liquid recovery system includes a filtrate tank whose top is connected to the filtrate outlet of the plate and frame filter press device through a pipeline. The inside of the filtrate tank is connected to one end of a fluorine-lined centrifugal pump through a pipeline. The other end of the fluorine-lined centrifugal pump is connected to the top of a waste liquid treatment tank through a pipeline. The fluorine-lined centrifugal pump is electrically connected to a third liquid level display controller whose one end extends into the inside of the filtrate tank. The top of the waste liquid treatment tank is connected to the first end of a dosing pump through a pipeline. The second end of the dosing pump extends into a reagent tank through a pipeline. The third end of the dosing pump is introduced into the waste liquid layer inside the waste liquid treatment tank through a PHC acid-base pH meter. The side corresponding to the waste liquid layer inside the waste liquid treatment tank is connected to one end of a waste liquid water pump through a pipeline. The other end of the waste liquid water pump is connected to the top of a recycled water tank. The waste liquid water pump is electrically connected to a fourth liquid level display controller whose one end extends into the waste liquid layer inside the waste liquid treatment tank. The side of the recycled water tank is connected to one end of a recycled water pump through a pipeline. The other end of the recycled water pump is connected to a water purification equipment device. The recycled water pump is electrically connected to a fifth liquid level display controller whose one end extends into the inside of the recycled water tank. A solid sediment discharge outlet is provided on the side corresponding to the solid substance layer inside the waste liquid treatment tank.
[0012] The beneficial effects of the present utility model compared with the prior art are as follows:
[0013] The present utility model discloses a green energy-saving device for the purification process of rice husk-based activated carbon materials. Using agricultural waste biomass rice husks as raw materials, a complete set of preparation systems is composed of a variety of equipment, providing a production preparation system for the purification process technology of rice husk-based activated carbon materials. And this system can realize purification, solid-liquid separation, waste liquid recycling, etc., enabling the purification technology of biomass rice husk-based silicon activated carbon to achieve an update and iteration. Description of the Drawings
[0014] Figure 1 is a structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model.
[0015] Figure 2 is a partial structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model.
[0016] Figure 3 is a partial structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model.
[0017] Figure 4 is a partial structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model.
[0018] Figure 5 is a partial structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model.
[0019] Figure 6 It is a partial structural block diagram of a green energy-saving device for the purification process of rice husk-based activated carbon materials of the present utility model. Specific embodiments
[0020] The following is a further description of the present utility model according to the attached Figure 1-6 :
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.
[0022] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 construed as a limitation of the present utility model.
[0023] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.
[0024] As Figure 1 shown, the first embodiment of the present utility model provides a green energy-saving device for the purification process of rice husk-based activated carbon materials on the basis of the prior art, including a reaction kettle with a stirring device. An internal heat exchange oil heat exchange layer is provided outside the reaction kettle, and the heat exchange layer is connected to the heat exchange and insulation system through pipelines. The inside of the reaction kettle is connected to an acid liquid metering and filling system, a steam heating system, and a buffer tank system through pipelines of an acid addition port, a steam inlet, and a discharging port respectively. Materials and pure water are injected into the inside of the reaction kettle through a feed port and a pure water filling port. The inside of the buffer tank system is connected to a plate and frame filter press device through pipelines. A belt conveyor device is provided at the material outlet of the plate and frame filter press device, and the filtrate outlet is connected to a waste liquid recovery system through a pipeline. The specific structures of the above components and their connection relationships will be introduced in detail below.
[0025] As shown Figure 2 in the figure, the pure water filling port is communicated with one end of the first solenoid valve, the other end of the first solenoid valve is communicated with the external pure water pipeline, the first solenoid valve is electrically connected with the first liquid level display controller with one end extending into the reaction kettle. The acid liquid metering and filling system includes an acid liquid storage tank, the top of the acid liquid storage tank is provided with an exhaust port and a storage tank acid adding port for injecting external acid liquid into it. One side of the acid liquid storage tank is communicated with a metering pump through a pipeline, the metering pump is connected with the acid adding port, and a second solenoid valve is arranged at the pipeline connecting the top of the acid adding port and the metering pump. The second solenoid valve is automatically controlled by the metering amount set by the metering pump, and the first solenoid valve is controlled by the first liquid level display controller installed on the reaction kettle.
[0026] As shown Figure 3 in the figure, the steam heating system includes a steam heater extending into the reaction kettle through the steam inlet. The steam inlet is connected with one end of the third solenoid valve through a pipeline, the other end of the third solenoid valve is communicated with the external saturated steam pipeline, and the third solenoid valve is electrically connected with the first TIC temperature display controller with one end extending into the reaction kettle.
[0027] The heat exchange and insulation system includes a heat exchange oil tank filled with heat exchange oil. One side of the heat exchange oil tank is provided with a heat exchange oil outlet connected with one end of an oil pump. The other end of the oil pump extends into the heat exchange interlayer through a pipeline. One side in the heat exchange interlayer is provided with an oil return port, and the oil return port extends into the heat exchange oil tank through a pipeline to form a closed loop. A heating layer is arranged outside the heat exchange oil tank. The heating layer is communicated with one end of the fourth solenoid valve through a pipeline. The other end of the fourth solenoid valve is communicated with the external saturated steam pipeline. The fourth solenoid valve is electrically connected with the third TIC temperature display controller with one end extending into the heating layer. The oil pump is electrically connected with the second TIC temperature display controller with one end extending into the heat exchange interlayer.
[0028] As shown Figure 4 in the figure, the discharging port is communicated with one end of a pumping pump, the other end of the pumping pump is communicated with a buffer tank with a stirring device through a pipeline, the pumping pump is electrically connected with the second liquid level display controller with one end extending into the buffer tank. A cooling layer is arranged outside the buffer tank. The cooling layer is communicated with one end of a water pump through a pipeline, the other end of the water pump is communicated with the inside of a cooling water circulation tank filled with cooling water, and the water pump is electrically connected with the fourth TIC temperature display controller with one end extending into the cooling layer.
[0029] As shown Figure 5As shown in the figure, the inside of the buffer tank is connected to one end of the charging pump through a pipeline. The other end of the charging pump is connected to the plate and frame filter press device through a pipeline. The charging pump is electrically connected to the PIC pressure controller that is inserted into the pipeline connecting the other end of the charging pump and the plate and frame filter press device. After being purified by reaction in the reactor, the material is transported to the buffer tank by the charging pump connected to the discharge port at the lower part of the reactor for buffering and cooling. The cooling methods include natural cooling and forced cooling. For forced cooling, a water pump is used to circulate the cooling water outside the buffer tank for cooling. The material is injected into the gap between the partitions of the plate and frame filter press device through a pipeline. At the same time, the liquid uniformly flows into the filtrate tank through the drain holes in the partition. The filtrate is transported to the waste liquid recovery and treatment equipment by a centrifugal pump. After the charging pump finishes injecting the material in the reactor, the filter press further squeezes and separates the water contained in the material. Finally, the biomass activated carbon material containing a small amount of water is discharged onto the bottom conveyor belt, and the material is transported by the conveyor belt to the next process for further processing.
[0030] As Figure 6 shown, the waste liquid recovery system includes a filtrate tank whose top is connected to the filtrate outlet of the plate and frame filter press device through a pipeline. The inside of the filtrate tank is connected to one end of a fluorine-lined centrifugal pump through a pipeline. The other end of the fluorine-lined centrifugal pump is connected to the top of the waste liquid treatment tank through a pipeline. The fluorine-lined centrifugal pump is electrically connected to the third liquid level display controller inserted into the inside of the filtrate tank. The top of the waste liquid treatment tank is connected to the first end of a dosing pump through a pipeline. The second end of the dosing pump passes through a pipeline into the chemical agent tank. The third end of the dosing pump passes through a PHC acid-base pH meter into the waste liquid layer inside the waste liquid treatment tank. Thus, the dosing pump is controlled by the PHC acid-base pH meter installed on the waste liquid treatment tank.
[0031] One side corresponding to the waste liquid layer inside the waste liquid treatment tank is connected to one end of a waste liquid water pump through a pipeline. The other end of the waste liquid water pump is connected to the top of the recycled water tank. The waste liquid water pump is electrically connected to the fourth liquid level display controller inserted into the waste liquid layer inside the waste liquid treatment tank. One side of the recycled water tank is connected to one end of a recycled water pump through a pipeline. The other end of the recycled water pump is connected to the water purification equipment device. The recycled water pump is electrically connected to the fifth liquid level display controller inserted into the inside of the recycled water tank. A solid sediment discharge port is provided on one side corresponding to the solid substance layer inside the waste liquid treatment tank. The filtrate and the chemical agent undergo a neutralization reaction in the waste liquid treatment tank to make the solid substances settle, and the settled solid substances are discharged through the bottom solid sediment discharge port.
[0032] Although the embodiments of the present invention have been disclosed as above, they are not limited to only the applications listed in the specification and the embodiments. It can be fully applied to various fields suitable for the present invention. For those familiar with the field, additional modifications can be easily achieved. Therefore, without departing from the general concept defined by the claims and the equivalent scope, the present invention is not limited to the specific details and the illustrated examples here.
Claims
1. A green energy-saving device for the purification process of rice husk-based activated carbon materials, characterized in that, It includes a reaction kettle with a stirring device. An internal heat exchange jacket filled with heat exchange oil is provided outside the reaction kettle. The heat exchange jacket is connected to a heat exchange and insulation system through pipelines. Inside the reaction kettle, it is connected to an acid solution metering and filling system, a steam heating system, and a buffer tank system through pipelines of an acid addition port, a steam inlet, and a discharging port respectively. Materials and pure water are injected into the reaction kettle through a feed port and a pure water filling port. Inside the buffer tank system, it is connected to a plate and frame filter press device through pipelines. A belt conveyor device is arranged at the material outlet of the plate and frame filter press device, and the filtrate outlet is connected to a waste liquid recovery system through a pipeline.
2. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 1, wherein The pure water filling port is connected to one end of a first electromagnetic valve, and the other end of the first electromagnetic valve is connected to an external pure water pipeline. The first electromagnetic valve is electrically connected to a first liquid level display controller with one end extending into the reaction kettle. The acid solution metering and filling system includes an acid solution storage tank. An exhaust port and a storage tank acid addition port for injecting external acid solution into it are provided at the top of the acid solution storage tank. One side of the acid solution storage tank is connected to a metering pump through a pipeline, and the metering pump is connected to the acid addition port. A second electromagnetic valve is arranged at the pipeline connecting the top of the acid addition port and the metering pump.
3. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 1 or 2, characterized in that, The steam heating system includes a steam heater extending into the reaction kettle through the steam inlet. The steam inlet is connected to one end of a third electromagnetic valve through a pipeline, and the other end of the third electromagnetic valve is connected to an external saturated steam pipeline. The third electromagnetic valve is electrically connected to a first TIC temperature display controller with one end extending into the reaction kettle.
4. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 3, characterized in that, The heat exchange and insulation system includes a heat exchange oil tank filled with heat exchange oil. A heat exchange oil outlet connected to one end of an oil pump is provided on one side of the heat exchange oil tank. The other end of the oil pump extends into the heat exchange jacket through a pipeline. An oil return port is provided on one side inside the heat exchange jacket, and the oil return port extends into the heat exchange oil tank through a pipeline to form a closed loop. A heating layer is provided outside the heat exchange oil tank. The heating layer is connected to one end of a fourth electromagnetic valve through a pipeline, and the other end of the fourth electromagnetic valve is connected to an external saturated steam pipeline. The fourth electromagnetic valve is electrically connected to a third TIC temperature display controller with one end extending into the heating layer. The oil pump is electrically connected to a second TIC temperature display controller with one end extending into the heat exchange jacket.
5. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 4, characterized in that, The discharging port is connected to one end of a charging pump, and the other end of the charging pump is connected to a buffer tank with a stirring device through a pipeline. The charging pump is electrically connected to a second liquid level display controller with one end extending into the buffer tank. A cooling layer is provided outside the buffer tank. The cooling layer is connected to one end of a water pump through a pipeline, and the other end of the water pump is connected to the inside of a cooling water circulation tank filled with cooling water. The water pump is electrically connected to a fourth TIC temperature display controller with one end extending into the cooling layer.
6. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 5, characterized in that, Inside the buffer tank, it is connected to one end of a charging pump through a pipeline, and the other end of the charging pump is connected to a plate and frame filter press device through a pipeline. The charging pump is electrically connected to a PIC pressure controller with one end extending into the pipeline connecting the other end of the charging pump and the plate and frame filter press device.
7. The green energy-saving device for the purification process of rice husk-based activated carbon materials according to claim 6, characterized in that, The waste liquid recovery system includes a filtrate tank whose top is connected to the filtrate outlet of a plate and frame filter press device through a pipeline. The inside of the filtrate tank is connected to one end of a fluorine-lined centrifugal pump through a pipeline. The other end of the fluorine-lined centrifugal pump is connected to the top of a waste liquid treatment tank through a pipeline. The fluorine-lined centrifugal pump is electrically connected to a third liquid level display controller with one end leading into the inside of the filtrate tank. The top of the waste liquid treatment tank is connected to the first end of a dosing pump through a pipeline. The second end of the dosing pump leads into a chemical agent tank through a pipeline. The third end of the dosing pump is led into the waste liquid layer inside the waste liquid treatment tank through a PHC acid-base pH meter. The side corresponding to the waste liquid layer inside the waste liquid treatment tank is connected to one end of a waste liquid water pump through a pipeline. The other end of the waste liquid water pump is connected to the top of a recycled water tank. The waste liquid water pump is electrically connected to a fourth liquid level display controller inside the waste liquid layer inside the waste liquid treatment tank. The side of the recycled water tank is connected to one end of a recycled water pump through a pipeline. The other end of the recycled water pump is connected to a water purification equipment device. The recycled water pump is electrically connected to a fifth liquid level display controller with one end leading into the inside of the recycled water tank. A solid sediment discharge outlet is provided on the side corresponding to the solid substance layer inside the waste liquid treatment tank.