阅读说明：本技术 一种垃圾热解污水处理系统及处理方法 (Garbage pyrolysis sewage treatment system and method ) 是由 杨茂生 李伟 徐智涛 苏源敬 张长朋 林德明 于 2019-11-06 设计创作，主要内容包括：本发明公开了一种垃圾热解污水处理系统及处理方法,可以实现通过将垃圾热解和热解污水处理同步进行,共同构建一个十分紧密的循环配合系统,实现水和余热的多重交叉利用,最大限度的利用一切资源,同时可以将热解产物中的热解炭经过特殊的磁化和改性处理,提高其吸附性能和商用潜力,充当高比表面积和多孔隙结构的吸附剂,直接用于热解污水中进行吸附净化,不仅节约了商用吸附剂的成本和消耗,同时有效利用垃圾的热解产物,另外在吸附净化后方便通过磁铁一步回收重新加以利用,也可以进行精加工用于商业变废为宝,一方面可以实现垃圾热解处理后的无污染排放,另一方面可以有效利用剩余价值,充分利用资源实现可持续发展。(The invention discloses a garbage pyrolytic sewage treatment system and a treatment method, which can realize that a very compact circulating matching system is constructed by synchronously performing garbage pyrolytic and pyrolytic sewage treatment, realize multiple cross utilization of water and waste heat, utilize all resources to the maximum extent, simultaneously carry out special magnetization and modification treatment on pyrolytic carbon in a pyrolytic product, improve the adsorption performance and commercial potential of the pyrolytic carbon, serve as an adsorbent with high specific surface area and a porous structure, be directly used for adsorption purification in pyrolytic sewage, save the cost and consumption of the commercial adsorbent, effectively utilize the pyrolytic product of garbage, further recycle the pyrolytic carbon by one step of magnet after adsorption purification, also can finish machining for changing waste into valuable, and realize pollution-free discharge after the garbage pyrolytic treatment on the one hand, on the other hand, the method can effectively utilize the residual value and fully utilize resources to realize sustainable development.)

1. The utility model provides a rubbish pyrolysis sewage treatment system which characterized in that: comprises a raw material bin, the raw material bin is connected with a raw material processing unit, the raw material processing unit is respectively connected with a permeating liquid pool and a garbage drying unit, the garbage drying unit is connected with a pyrolysis furnace, the pyrolysis furnace is respectively connected with an oil gas direct cooling tower and a pyrolysis carbon cooling unit, the pyrolysis carbon cooling unit is connected with a modified direct use unit and a residual collecting unit, the modified direct use unit is connected with a sewage purification unit, the sewage purification unit comprises a sewage pool, the sewage pool is connected with a first regulating pool, the first regulating pool is connected with an air floatation pool, the air floatation pool is connected with a second regulating pool, the second regulating pool is connected with a biochemical treatment pool, the biochemical treatment pool is connected with an adsorption pool, the adsorption pool is connected with a clean water pool, the clean water pool is connected with the oil gas direct cooling tower, the pyrolysis carbon cooling unit and the modified direct use unit, the permeating liquid pool is connected with a sedimentation, and the sedimentation tank is connected with the second adjusting tank.

2. The waste pyrolysis sewage treatment system of claim 1, wherein: the modified direct-use unit comprises a filter box (1), an inclined filter screen (2) is fixedly connected to the inner end of the filter box (1), a discharge pipe (3) is connected between the right end of the filter box (1) and the residual collecting unit, the left end of the filter box (1) is communicated with a feed delivery pipe (4), one end, away from the filter box (1), of the feed delivery pipe (4) is connected with a reaction box (5), a plurality of uniformly distributed ultrasonic vibration rods (6) are installed on the reaction box (5), a heat exchange pipe (7) is wound on the outer end of each ultrasonic vibration rod (6), a feeding pipe (14) is connected between the left end of the reaction box (5) and a clean water tank, a liquid outlet pipe (8) is communicated with the right end of the reaction box (5), one end, away from the reaction box (5), of the liquid outlet pipe (8) is connected with a modified box (9), and a positive filter, be connected with waste liquid pipe (11) between modified case (9) lower extreme and the first equalizing basin, microwave generator (12) are installed to the top in modified case (9), install positive filter screen (10) on modified case (9) inside wall.

3. The waste pyrolysis sewage treatment system of claim 2, wherein: oblique filter screen (2) right-hand member downward sloping, and the angle of slope is greater than the natural inclination of pyrolytic carbon, the entrance point of discharging pipe (3) flushes with oblique filter screen (2) least significant end.

4. The waste pyrolysis sewage treatment system of claim 1, wherein: two ends of the heat exchange tube (7) are respectively connected with the gas outlet of the pyrolysis furnace and the gas inlet of the oil gas direct cooling tower, and the inner end of the heat exchange tube (7) is coated with a nano anticorrosive coating.

5. The waste pyrolysis sewage treatment system of claim 1, wherein: the oil gas direct cooling tower is connected with a gas purification unit, and the gas purification unit is connected with the pyrolysis furnace.

6. The waste pyrolysis sewage treatment system of claim 1, wherein: and an oil-water separation unit is connected between the oil-gas direct cooling tower and the sewage pool, and the oil-water separation unit is kept stand for 12-24 hours.

7. The waste pyrolysis sewage treatment system of claim 1, wherein: and a spiral discharging unit is connected between a discharge port of the pyrolysis furnace and the pyrolytic carbon cooling unit and is crushed until the particle size is 1-2 mm.

8. The method for treating waste pyrolysis sewage according to any one of claims 1 to 7, wherein: the method comprises the following steps:

s1, weighing the household garbage, putting the household garbage into a raw material bin for stacking, and discharging the garbage leachate generated by stacking into a permeate pool; separating inorganic impurities from the stacked garbage for landfill; separating out metal for outward transportation and sale; separating out organic matters and combustible matters, crushing and drying until the water content is lower than 30%, and immediately feeding into a pyrolysis furnace for pyrolysis;

s2, feeding the crushed material through a feed inlet of a pyrolysis furnace, pyrolyzing the material in an oxygen-isolated environment of a radiation tube arranged in the pyrolysis furnace, heating the material to the pyrolysis temperature of 600-700 ℃, keeping the pyrolysis time for 60-80min, and performing dry distillation on the material to obtain high-temperature oil gas and pyrolytic carbon;

high-temperature oil gas generated by pyrolysis in a pyrolysis furnace enters an oil gas direct cooling tower after being heated by an ultrasonic vibrating rod (6) through a heat exchange tube (7), the high-temperature oil gas is cooled by spraying water in a clear water tank to reduce the temperature of the oil gas to be below 28 ℃, collected liquid oil and water are sent to an oil-water separation unit, oil and water are layered after standing, and pyrolysis sewage on the upper layer enters a sewage tank;

s3, the pyrolytic carbon enters a pyrolytic carbon cooling unit through a discharge hole of the pyrolysis furnace, and sewage in the biochemical treatment tank also enters the pyrolytic carbon cooling unit to fully cool the pyrolytic carbon so as to achieve the aim of quenching coke;

s4, after quenching, separating pyrolytic carbon after passing through an inclined filter screen (2) in a filter box (1), allowing the pyrolytic carbon meeting the particle size requirement to fall from the inclined filter screen (2) and enter a reaction box (5) through a material conveying pipe (4), collecting the pyrolytic carbon not meeting the particle size requirement through a material discharging pipe (3), allowing sewage to enter an adsorption tank, magnetizing the pyrolytic carbon in an ultrasonic vibration rod (6), allowing the pyrolytic carbon to enter a modification box (9) for microwave modification, and drying and then conveying the pyrolytic carbon into the adsorption tank for adsorption;

and S5, feeding the sewage subjected to adsorption treatment into a clean water tank, recovering the modified pyrolytic carbon subjected to saturated adsorption in one step by using a magnet, and performing back washing by using absolute ethyl alcohol so as to recycle the modified pyrolytic carbon.

9. The treatment method of the waste pyrolysis sewage treatment system according to claim 8, wherein the treatment method comprises the following steps: in the step S4, the pyrolytic carbon enters a reaction box (5), FeSO4 and FeCl3 which are weighed according to the proportion of 1:2 of Fe2+ to Fe3+ are mixed with water in a clean water tank and added into the reaction box (5) through a feeding pipe (14), after dipping treatment is carried out for 2-4 hours according to the dipping ratio of 1.5-2g/g, a heat exchange pipe (7) is heated until the temperature of mixed liquid in the reaction box (5) is 60-80 ℃, 5-10ml of polyethylene glycol is dripped, nitrogen is introduced, an ultrasonic vibration rod (6) is started for ultrasonic stirring, a proper amount of ammonia water (28g/L) is added, the pH value is controlled to be 9-10 in the process, and the mixture is stirred and reacted for 30min and then cooled.

10. The treatment method of the waste pyrolysis sewage treatment system according to claim 8, wherein the treatment method comprises the following steps: in the step S4, the power of the microwave generator (12) is 400-420W, the microwave time is 4-4.5min, and the electric heater (13) is heated to 120 ℃ in the modification box (9).

Technical Field

The invention relates to the technical field of garbage treatment, in particular to a garbage pyrolysis sewage treatment system and a garbage pyrolysis sewage treatment method.

Background

With the increasing of human activities, domestic and industrial garbage has become one of the important factors threatening the health of human life. At present, the garbage disposal modes of various countries in the world mainly comprise modes of landfill, incineration, composting, pyrolysis and the like. In China, due to the lag of garbage classification and comprehensive garbage utilization technologies, at present, incineration and landfill are mainly used as garbage treatment modes, and the garbage treatment modes of incineration and landfill easily cause secondary damage to the environment, so that the garbage treatment modes of incineration and landfill are inevitably eliminated gradually along with the improvement and continuous development importance of scientific and technical progress.

The pyrolysis treatment technology is to heat and decompose garbage in an oxygen-free or oxygen-deficient state, can perform harmless treatment on the garbage, can generate a recyclable pyrolysis product, is a more environment-friendly and efficient garbage treatment technology to generate three energy sources of fuel gas, fuel oil and solid carbon for recycling, avoids the problem of dioxin pollution from the mechanism, completely accords with the principle and the purpose of garbage harmless, recycling and reduction treatment, has the characteristics of high energy conversion efficiency, advanced technology, low operation cost, large treatment scale and the like, and is increasingly accepted by the market.

However, in the process of pyrolyzing the household garbage, a large amount of garbage pyrolysis sewage which is difficult to treat is generated, and accounts for about 55 percent of the total weight of the garbage. Garbage pyrolysis sewage is a chromaticity is dark, oily, the sewage that organic pollutant content is high, the treatment mode to pyrolysis sewage is mostly separately independent with the garbage pyrolysis at present and is gone on, not only the treatment effeciency is low, and lead to waste heat resources waste and the waste of water among the sewage treatment process among the garbage pyrolysis process, can't be immediately with the pyrolysis charcoal in the pyrolysis product direct application in sewage treatment, pyrolysis charcoal is from the structural point of view, the porous structure that the adsorbent has reaches 40% -50% of totality. However, the porous structure of the pyrolytic carbon is mostly a macroporous structure, the small pore structure of the pyrolytic carbon is quite low compared with other typical adsorbents, and the pyrolytic carbon also contains a lot of impurities which do not contribute to the adsorption capacity, so the adsorption capacity of the pyrolytic carbon is poor, and the deep application of the pyrolytic carbon in sewage treatment is limited.

Disclosure of Invention

1. Technical problem to be solved

Aiming at the problems in the prior art, the invention aims to provide a garbage pyrolysis sewage treatment system and a garbage pyrolysis sewage treatment method, which can realize synchronous garbage pyrolysis and pyrolysis sewage treatment, jointly construct a very compact circulating coordination system, realize multiple cross utilization of water and waste heat, utilize all resources to the maximum extent, simultaneously carry out special magnetization and modification treatment on pyrolytic carbon in pyrolysis products, improve the adsorption performance and commercial potential of the pyrolytic carbon, serve as an adsorbent with a high specific surface area and a porous structure, and be directly used for adsorption purification in pyrolysis sewage, thereby not only saving the cost and consumption of the commercial adsorbent, but also effectively utilizing the pyrolysis products of garbage, in addition, further recycling the pyrolytic carbon by a magnet after adsorption purification, and also being capable of carrying out finish machining for changing waste into valuables, and realizing pollution-free discharge after the garbage pyrolysis treatment on the one hand, on the other hand, the method can effectively utilize the residual value and fully utilize resources to realize sustainable development.

2. Technical scheme

In order to solve the above problems, the present invention adopts the following technical solutions.

A garbage pyrolysis sewage treatment system comprises a raw material bin, wherein the raw material bin is connected with a raw material treatment unit, the raw material treatment unit is respectively connected with a penetration liquid tank and a garbage drying unit, the garbage drying unit is connected with a pyrolysis furnace, the pyrolysis furnace is respectively connected with an oil gas direct cooling tower and a pyrolytic carbon cooling unit, the pyrolytic carbon cooling unit is connected with a modified direct use unit and a residual collection unit, the modified direct use unit is connected with a sewage purification unit, the sewage purification unit comprises a sewage tank, the sewage tank is connected with a first regulating tank, the first regulating tank is connected with an air floatation tank, the air floatation tank is connected with a second regulating tank, the second regulating tank is connected with a biochemical treatment tank, the biochemical treatment tank is connected with an adsorption tank, the adsorption tank is connected with a clean water tank, and the clean water tank is connected with the oil gas direct cooling tower, the pyrolytic carbon cooling unit and the modified direct use unit, the permeate liquid pool is connected with a sedimentation tank, and the sedimentation tank is connected with a second regulating tank.

Further, the modified direct-use unit comprises a filter box, an inclined filter screen is fixedly connected at the inner end of the filter box, a discharge pipe is connected between the right end of the filter box and the residual collecting unit, the left end of the filter box is communicated with a feed pipe, one end of the feed pipe, far away from the filter box, is connected with a reaction box, a plurality of uniformly distributed ultrasonic vibration rods are mounted on the reaction box, heat exchange pipes are wound at the outer ends of the ultrasonic vibration rods, a feed pipe is connected between the left end of the reaction box and a clean water tank, the right end of the reaction box is communicated with a liquid outlet pipe, one end of the liquid outlet pipe, far away from the reaction box, is connected with a modified box, a positive filter screen is fixedly connected at the inner end of the modified box, a waste liquid pipe is connected between the lower end of the modified box and a first adjusting tank, the method has the advantages that the pyrolytic carbon is conveniently and directly subjected to magnetization modification treatment, waste is changed into valuable, the adsorption performance and commercial potential of the pyrolytic carbon are improved, and the pyrolytic carbon can be directly used for adsorption treatment of pyrolytic sewage.

Further, oblique filter screen right-hand member downward sloping, and the angle of slope is greater than the natural inclination of pyrolytic carbon, the entrance point of discharging pipe flushes with oblique filter screen least significant end for directly separate the pyrolytic carbon in the pyrolysis product in transportation process, carry out modification treatment to the pyrolytic carbon of fitting particle diameter, create best modification condition.

Further, the heat exchange tube both ends are connected with the gas outlet of pyrolysis oven and the air inlet of oil gas direct cooling tower respectively, the coating has nanometer anticorrosive coating in the inner of heat exchange tube, utilizes high temperature oil gas to heat ultrasonic vibration stick in transportation process, not only can accomplish waste heat recovery and utilize, prolongs the cooling to the high temperature flue gas, and high temperature flue gas temperature is very high simultaneously, can heat up ultrasonic vibration stick fast, reduces the processing time.

Further, the direct cooling tower of oil gas is connected with gaseous purification unit, and gaseous purification unit is connected with the pyrolysis oven, and gaseous purification unit is through purifying pyrolysis gas, and part retrieval and utilization is served as fuel to the pyrolysis oven, and another part can be collected also can release after reaching standard through advanced treatment.

Further, an oil-water separation unit is connected between the oil-gas direct cooling tower and the sewage pool, and the oil-gas direct cooling tower and the sewage pool stand still in the oil-water separation unit for 12-24 hours, and oil and water are separated after full standing and layering and are respectively recycled.

Furthermore, a spiral discharging unit is connected between a discharging port of the pyrolysis furnace and the pyrolytic carbon cooling unit, the pyrolytic carbon cooling unit is crushed to the particle size of 1-2mm, the crushed pyrolytic carbon cooling unit is crushed while conveying materials to reduce the particle size, the later cooling speed can be accelerated, the modification is more sufficient, and the performance is improved more.

A waste pyrolysis sewage treatment method comprises the following steps:

s1, weighing the household garbage, putting the household garbage into a raw material bin for stacking, and discharging the garbage leachate generated by stacking into a permeate pool; separating inorganic impurities from the stacked garbage for landfill; separating out metal for outward transportation and sale; separating out organic matters and combustible matters, crushing and drying until the water content is lower than 30%, and immediately feeding into a pyrolysis furnace for pyrolysis;

s2, feeding the crushed material through a feed inlet of a pyrolysis furnace, pyrolyzing the material in an oxygen-isolated environment of a radiation tube arranged in the pyrolysis furnace, heating the material to the pyrolysis temperature of 600-700 ℃, keeping the pyrolysis time for 60-80min, and performing dry distillation on the material to obtain high-temperature oil gas and pyrolytic carbon;

high-temperature oil gas generated by pyrolysis in a pyrolysis furnace enters an oil gas direct cooling tower after being heated by an ultrasonic vibrating rod through a heat exchange tube, the high-temperature oil gas is cooled by spraying water in a clear water tank to reduce the temperature of the oil gas to below 28 ℃, collected liquid oil and water are sent to an oil-water separation unit, oil and water are layered after standing, and pyrolysis sewage on the upper layer enters a sewage tank;

s3, the pyrolytic carbon enters a pyrolytic carbon cooling unit through a discharge hole of the pyrolysis furnace, and sewage in the biochemical treatment tank also enters the pyrolytic carbon cooling unit to fully cool the pyrolytic carbon so as to achieve the aim of quenching coke;

s4, after quenching, separating pyrolytic carbon after passing through an inclined filter screen in a filter box, enabling the pyrolytic carbon meeting the particle size requirement to fall from the inclined filter screen and enter a reaction box through a material conveying pipe, collecting the pyrolytic carbon which does not meet the particle size requirement through a material discharging pipe, enabling sewage to enter an adsorption tank, magnetizing the pyrolytic carbon in an ultrasonic vibration rod, enabling the pyrolytic carbon to enter a modification box for microwave modification, and drying the pyrolytic carbon and then feeding the pyrolytic carbon into the adsorption tank for adsorption;

and S5, feeding the sewage subjected to adsorption treatment into a clean water tank, recovering the modified pyrolytic carbon subjected to saturated adsorption in one step by using a magnet, and performing back washing by using absolute ethyl alcohol so as to recycle the modified pyrolytic carbon.

Further, in the step S4, the pyrolytic carbon enters a reaction box, the FeSO4 and FeCl3 weighed according to the proportion of 1:2 of Fe2+ and Fe3+ are mixed with water in a clean water tank and added into the reaction box through a feeding pipe, after dipping treatment is carried out for 2-4 hours according to the dipping ratio of 1.5-2g/g, after a heat exchange pipe is heated to 60-80 ℃ of the mixed liquid in the reaction box, 5-10ml of polyethylene glycol is dripped, nitrogen is introduced, an ultrasonic vibration rod is started for ultrasonic stirring, a proper amount of ammonia water (28g/L) is added, the pH value is controlled to be 9-10 in the process, the mixed liquid is stirred and reacted for 30 minutes and then cooled, the pyrolytic magnetized carbon with a core-shell structure is generated through a modified coprecipitation method, the nano Fe3O4 particles are used as an inner core, the pyrolytic carbon is used as an outer shell, acidic functional groups on the surface are reduced and basic functional groups are increased due to OH < - >, the adsorption performance of the pyrolytic carbon is improved, the pyrolytic carbon is endowed with magnetism, the nano Fe3O4 particles have a certain adsorption effect on heavy metal ions, and the pyrolytic carbon can protect the nano Fe3O4 particles from oxidation and corrosion.

Further, in the step S4, the power of the microwave generator is 400-420W, the microwave time is 4-4.5min, the electric heater is heated to the temperature of 120 ℃ in the modification chamber, and under the proper microwave power and time, the pyrolytic carbon has the best surface modification, large specific surface area and small and rich pore structure, the modification is incomplete when the temperature is less than a proper value, and the carbon pores are easy to collapse when the temperature is more than a proper value, so that the surface micropores form mesopores and even macropores, the mass loss rate is large, and the adsorption capacity is reduced.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

(1) the scheme can realize that a very tight circulation matching system is constructed by synchronously carrying out the garbage pyrolysis and the pyrolysis sewage treatment, realizes the multiple cross utilization of water and waste heat, utilizes all resources to the maximum extent, meanwhile, the pyrolytic carbon in the pyrolysis product can be subjected to special magnetization and modification treatment, the adsorption performance and commercial potential of the pyrolytic carbon are improved, the pyrolytic carbon serves as an adsorbent with high specific surface area and a porous structure and is directly used for adsorption purification in pyrolysis sewage, the cost and consumption of the commercial adsorbent are saved, meanwhile, pyrolysis products of the garbage are effectively utilized, in addition, after adsorption and purification, the waste is conveniently recycled and reused in one step through the magnet, fine processing can be performed for changing waste into valuables, on one hand, pollution-free emission after pyrolysis treatment of the garbage can be achieved, on the other hand, residual value can be effectively utilized, and resources are fully utilized to achieve sustainable development.

(2) The method has the advantages that the pyrolytic carbon is conveniently and directly subjected to magnetization modification treatment, waste is changed into valuable, the adsorption performance and commercial potential of the pyrolytic carbon are improved, and the pyrolytic carbon can be directly used for adsorption treatment of pyrolytic sewage.

(3) Oblique filter screen right-hand member downward sloping, and the angle of slope is greater than the natural inclination of pyrolytic carbon, and the entrance point of discharging pipe flushes with oblique filter screen least significant end for directly separate the pyrolytic carbon in the pyrolysis product in transportation process, carry out modification treatment to the pyrolytic carbon of suitable particle diameter, create best modification condition.

(4) The heat exchange tube both ends are connected with the gas outlet of pyrolysis oven and the air inlet of oil gas direct cooling tower respectively, and the coating has nanometer anticorrosive coating in the heat exchange tube inner, utilizes high temperature oil gas to heat ultrasonic vibration stick in transportation process, not only can accomplish waste heat recovery and utilize, prolongs the cooling to high temperature flue gas, and high temperature flue gas temperature is very high simultaneously, can heat up ultrasonic vibration stick fast, reduces processing time.

(5) The oil gas direct cooling tower is connected with gaseous purification unit, and gaseous purification unit is connected with the pyrolysis oven, and gaseous purification unit is through purifying pyrolysis gas, and part retrieval and utilization acts as fuel to the pyrolysis oven, and another part can be collected also can release after reaching standard through advanced treatment.

(6) And an oil-water separation unit is connected between the oil-gas direct cooling tower and the sewage pool, and the oil-water separation unit is placed still for 12-24 hours, and oil and water are separated after full standing and layering and are respectively recycled.

(7) The spiral discharging unit is connected between the discharging port of the pyrolysis furnace and the pyrolytic carbon cooling unit, the pyrolytic carbon cooling unit is crushed to the particle size of 1-2mm, the crushed pyrolytic carbon cooling unit is crushed while materials are conveyed to reduce the particle size, the later cooling speed can be accelerated, the modification is more sufficient, and the performance is improved more.

(8) The magnetic pyrolytic carbon with the core-shell structure is generated by improving a coprecipitation method, the nano Fe3O4 particles are used as an inner core, the pyrolytic carbon is used as an outer shell, after the reaction is finished, due to the reason of OH-, acid functional groups on the surface are reduced, basic functional groups are increased, the adsorption performance of the pyrolytic carbon is improved, the pyrolytic carbon is endowed with magnetism, the nano Fe3O4 particles have a certain adsorption effect on heavy metal ions, and the pyrolytic carbon can protect the nano Fe3O4 particles from oxidation and corrosion.

(9) The power of a microwave generator is 400-420W, the microwave time is 4-4.5min, an electric heater is heated to the temperature of 120 ℃ in a modification box, the pyrolytic carbon has the best surface modification, large specific surface area and tiny and rich pore structure under the proper microwave power and time, the modification is incomplete when the value is less than a proper value, and the carbon pores are easy to collapse when the value is more than a proper value, so that the surface micropores form mesopores and even macropores, the mass loss rate is high, and the adsorption capacity is reduced.

Drawings

FIG. 1 is a schematic diagram of the system of the present invention;

FIG. 2 is a schematic structural diagram of a modified direct use unit according to the present invention;

FIG. 3 is a schematic diagram of the operation of the hydrothermal cycle of the present invention;

FIG. 4 is a schematic structural view of the pyrolytic carbon of the invention;

FIG. 5 is a schematic structural view of the magnetized pyrolytic carbon of the present invention;

FIG. 6 is a schematic structural view of a modified pyrolytic carbon of the invention.

The reference numbers in the figures illustrate:

1 filter box, 2 oblique filter screens, 3 discharging pipes, 4 material conveying pipes, 5 reaction boxes, 6 ultrasonic vibration rods, 7 heat exchange pipes, 8 liquid outlet pipes, 9 modification boxes, 10 positive filter screens, 11 waste liquid pipes, 12 microwave generators, 13 electric heaters and 14 feeding pipes.

Detailed Description

The technical solution in 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; it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise specifically stated or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements.