CN111888920B - Waste treatment method based on chemical waste treatment device - Google Patents
Waste treatment method based on chemical waste treatment device Download PDFInfo
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- CN111888920B CN111888920B CN202010770137.0A CN202010770137A CN111888920B CN 111888920 B CN111888920 B CN 111888920B CN 202010770137 A CN202010770137 A CN 202010770137A CN 111888920 B CN111888920 B CN 111888920B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
Abstract
The invention relates to the field of chemical waste treatment, in particular to a chemical waste treatment device and a treatment method thereof, wherein the chemical waste treatment device comprises a primary treatment device and a secondary treatment device which are obliquely arranged, a waste gas treatment device is arranged beside the primary treatment device, the waste gas treatment device is provided with a first connecting pipe and a second connecting pipe which are connected with a first exhaust port and a second exhaust port, the bottoms of the primary treatment device and the secondary treatment device are provided with a second connecting pipe for communicating the primary treatment device and the secondary treatment device, the chemical waste enters the primary treatment device through a feed port, the primary treatment device treats the internal chemical waste, the generated primary waste gas is subjected to secondary purification treatment in the waste gas treatment device and then is transmitted to the secondary treatment device to the primary treatment device through the second connecting pipe, and the invention can realize secondary treatment operation of waste, the generated waste gas does not need to be discharged after secondary treatment, and enters a treatment procedure again, so that the environmental pollution is avoided, and the method is practical and environment-friendly.
Description
Technical Field
The invention relates to the field of chemical waste treatment, in particular to a waste treatment method based on a chemical waste treatment device.
Background
In the production process of industries such as chemical industry and the like, a large amount of waste oil, waste gas and solid chemical waste can be generated, which is harmful to human bodies and causes great damage to the environment. The prior method for treating waste oil mainly carries out secondary utilization on the waste oil refining or obtains gasoline, diesel oil and the like as fuels, but the method has high cost and cannot be popularized; in China, waste oil is also directly burnt as fuel, but used equipment has insufficient reaction and low heat utilization rate, and a plurality of toxic gases such as sulfur dioxide, carbon monoxide and the like are generated after the reaction, and the toxic gases are not directly discharged after purification treatment, thereby causing environmental pollution. The methods for treating the waste gas mainly include an adsorption method, a catalytic reaction method and a direct catalytic reaction method. The adsorption method is suitable for purifying low-concentration organic waste gas and also can be used for recovering high-concentration organic waste gas, but the used adsorbent is active carbon, silica gel, ion exchange resin and the like, and the cost is high. The catalytic reaction method is mainly used for purifying high-temperature, high-concentration and continuously-discharged organic waste gas, but because the chemical waste gas has complex components, organic matters in the chemical waste gas cannot be thoroughly removed by the catalytic reaction method. The direct catalytic reaction method is suitable for purifying high-temperature and high-concentration organic waste gas, and can recover heat, but the direct catalytic reaction method consumes more energy, needs heavy oil and natural gas as preheating energy, and has higher cost.
Traditional waste material is handled and is thrown into the burning in-can with the material, nevertheless because the preliminary treatment of waste material is great large-scale calcination, the reaction temperature of each element is different in the material, and when the volume of material was too big, and large-scale calcination has certain energy extravagant, at the in-process of calcination earlier, can appear a large amount of waste gas, needs carry out exhaust-gas treatment to it. After the waste gas in the prior art is purified and absorbed in the treatment tank, the residual gas needs to be discharged, however, because the waste gas still carries pollutants, the discharge of the waste gas will bring damages to the environment, and the specification and the cost of the treatment device are limited, the waste gas cannot be purified for many times to achieve the best purification effect.
Disclosure of Invention
The invention aims to provide a waste treatment method based on a chemical waste treatment device, so as to solve the problems in the background technology.
The technical scheme of the invention is as follows: the device comprises a primary treatment device and a secondary treatment device which are obliquely arranged, wherein a first communicating pipe used for transferring materials is arranged between the primary treatment device and the secondary treatment device, a feeding port and a first exhaust port which are communicated with the interior of the primary treatment device are arranged on the primary treatment device, a driving assembly used for controlling the feeding speed is arranged on the feeding port, a second exhaust port which is communicated with the interior of the secondary treatment device is arranged on the secondary treatment device, a waste gas treatment device is arranged beside the primary treatment device, a first connecting pipe and a second connecting pipe which are connected with the first exhaust port and the second exhaust port are arranged on the waste gas treatment device, and a second communicating pipe used for communicating the primary treatment device and the secondary treatment device is arranged at the bottoms of the primary treatment device and the secondary treatment device; the driving assembly comprises a rotating shaft horizontally arranged on the feeding port, a driving motor for driving the rotating shaft to rotate and a rotating plate sleeved on the rotating shaft, one end of the rotating shaft protrudes out of the feeding port, and the driving motor is fixedly connected with the feeding port;
the temperature in the secondary treatment device is higher than the temperature in the primary treatment device;
the waste gas treatment device comprises a reaction tower, a spraying assembly and a filtering and absorbing layer which are vertically arranged, a partition board which is horizontally arranged is arranged in the reaction tower, the partition board divides the space in the reaction tower into a first accommodating cavity and a second accommodating cavity, the spraying assembly is arranged at the upper part in the reaction tower, the filtering and absorbing layer is arranged at the lower part in the reaction tower, and a first air inlet and a second air inlet which are communicated with a first connecting pipe and a second connecting pipe are respectively arranged on the outer wall of the reaction tower;
the spray assembly comprises a horizontally arranged spray plate, a plurality of nozzles distributed circumferentially and a first lifting motor arranged at the top of the reaction tower, the plurality of nozzles are vertically distributed at the bottom of the spray plate downwards, an output shaft of the first lifting motor penetrates through the reaction tower and is fixedly connected with the top of the spray plate, and the output shaft of the first lifting motor can vertically lift to drive the spray plate to move up and down;
the baffle plate is arranged on a sliding rail on the inner wall of the reaction tower, the outer wall of the reaction tower is provided with a second lifting motor capable of driving the baffle plate to move up and down along the sliding rail, the baffle plate is provided with a through hole corresponding to the spray head, a driving switch for driving the through hole to be opened or closed is arranged below the baffle plate, and a control motor for controlling the driving switch is arranged on the outer wall of the reaction tower corresponding to the position of the driving switch;
chemical waste enters a primary treatment device through a feeding port, the primary treatment device treats the internal chemical waste, generated primary waste gas enters a first containing cavity of the waste gas treatment device through a first exhaust port and a first connecting pipe, the inlet position of the first connecting pipe entering the waste gas treatment device is positioned above a partition plate, a motor is controlled to control a driving switch to close a through hole, at the moment, a spray assembly is started to enable a spray head to spray liquid, the spray head is closed after the liquid purifies the primary waste gas, the motor is controlled to control the driving switch to enable the through hole to be opened, the internal liquid and the residual waste gas enter a second containing cavity through the through hole, after the waste gas completely enters, a first lifting motor is started to drive a spray plate to move downwards to the spray head to penetrate through the through hole of the partition plate, and then the first lifting motor and a second lifting motor synchronously drive the spray plate and the partition plate to move downwards to a preset position to stop, open once more and start spray set and make the shower nozzle spray liquid, the shower nozzle is closed after liquid holds the second grade waste gas of intracavity to carry out purification treatment once more, then, first elevator motor and second elevator motor synchronous drive spray board and baffle simultaneous upward movement stop after the baffle exceeds the position of second connecting pipe, pass through the second connecting pipe with the waste gas of the process secondary purification below the baffle this moment, second gas vent pump is delivered to the secondary treatment device, again from the secondary treatment device through second pump delivery to the primary treatment device communicating pipe, chemical industry waste material gets into the secondary treatment device through first communicating pipe after handling through the primary treatment device and carries out secondary treatment, waste gas after the secondary treatment is pumped to the primary treatment device through the second communicating pipe equally.
In a preferred embodiment of the present invention, the filter absorption layer comprises a filter shell, a coarse filter screen, a fine filter screen and an activated carbon filter screen, and the coarse filter screen, the fine filter screen and the activated carbon filter screen are installed in the filter shell at intervals from top to bottom.
Through the design improvement, compared with the prior art, the invention has the following improvements and advantages: 1. the chemical waste is treated by the primary treatment device and the secondary treatment device, so that the waste can be treated to a greater extent, and the residue is less; 2. the waste gas is firstly sprayed and purified through the upper containing cavity of the waste gas treatment device, so that the waste gas is reduced and becomes clean, the treated waste gas enters the containing cavity at the lower part through the through hole, then the waste gas is compressed and concentrated in the smaller lower space through the adjusting partition plate, and then the waste gas is sprayed and purified for the first time, the spraying and purifying effect is better due to the smaller space, the waste gas is thinner and cleaner after secondary purification, but at the moment, because the waste gas inevitably carries a small amount of pollutants, the waste gas is further pumped and sent to the secondary treatment device, because the waste material in the secondary treatment device can generate a small amount of waste gas during the treatment process, the waste gas and the waste gas treated by the waste gas treatment device simultaneously enter the primary treatment device through the lower communicating pipe, and are treated again with the primary waste material, and the waste gas treated by the same primary treatment device enters the waste gas treatment device again for circulating treatment, compared with the traditional waste gas treatment mode, the method can not enlarge the scale and the occupied area of equipment, can realize waste material treatment operation without waste gas emission only by investing less cost, can not cause environmental pollution, and is practical and environment-friendly.
Drawings
The invention is further explained below with reference to the figures and examples:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view of an exhaust treatment device of the present invention;
Detailed Description
The present invention will be described in detail with reference to fig. 1 to 3, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a waste treatment method based on a chemical waste treatment device through improvement, as shown in figures 1-3, the waste treatment method comprises a primary treatment device 1 and a secondary treatment device 2 which are obliquely arranged, a first communication pipe 3 for transferring materials is arranged between the primary treatment device 1 and the secondary treatment device 2, a feeding port 4 and a first exhaust port 5 which are communicated with the primary treatment device 1 are arranged on the primary treatment device 1, a driving component 6 for controlling feeding speed is arranged on the feeding port 4, a second exhaust port 7 which is communicated with the secondary treatment device 2 is arranged on the secondary treatment device 2, a waste gas treatment device 8 is arranged beside the primary treatment device 1, a first connecting pipe 9 and a second connecting pipe 10 which are connected with the first exhaust port 5 and the second exhaust port 7 are arranged on the waste gas treatment device 8, and a second communication pipe for communicating the primary treatment device 1 and the secondary treatment device 2 is arranged at the bottom of the primary treatment device 1 and the secondary treatment device 2 A tube 11; the driving assembly 6 comprises a rotating shaft 6a horizontally arranged on the feeding port 4, a driving motor 6b for driving the rotating shaft 6a to rotate and a rotating plate 6c sleeved on the rotating shaft 6a, one end of the rotating shaft 6a protrudes out of the feeding port 4, and the driving motor 6b is fixedly connected with the feeding port 4;
the temperature in the secondary treatment device 2 is higher than that in the primary treatment device 1;
the waste gas treatment device 8 comprises a reaction tower 8a, a spraying component 8b and a filtering and absorbing layer 8c which are vertically arranged, a partition plate 8d which is horizontally arranged is arranged in the reaction tower 8a, the partition plate 8d divides the space in the reaction tower 8a into a first containing cavity 8e and a second containing cavity 8f, the spraying component 8b is arranged at the upper part in the reaction tower 8a, the filtering and absorbing layer 8c is arranged at the lower part in the reaction tower 8a, and a first air inlet and a second air inlet which are communicated with a first connecting pipe 9 and a second connecting pipe 10 are respectively arranged on the outer wall of the reaction tower 8 a;
the spraying component 8b comprises a horizontally arranged spraying plate 8b1, a plurality of circumferentially distributed nozzles 8b2 and a first lifting motor 8b3 arranged at the top of the reaction tower 8a, the plurality of nozzles 8b2 are vertically and downwards distributed at the bottom of the spraying plate 8b1, an output shaft of the first lifting motor 8b3 penetrates through the reaction tower 8a and is fixedly connected with the top of the spraying plate 8b1, and an output shaft of the first lifting motor 8b3 can vertically lift to drive the spraying plate 8b1 to move up and down;
the partition plate 8d is arranged on a slide rail on the inner wall of the reaction tower 8a, the outer wall of the reaction tower 8a is provided with a second lifting motor 8g which can drive the partition plate 8d to move up and down along the slide rail, the partition plate 8d is provided with a through hole corresponding to the spray head 8b2, a driving switch 8h which can drive the through hole to be opened or closed is arranged below the partition plate 8d, and a control motor 12 which can control the driving switch 8h is arranged on the outer wall of the reaction tower 8a corresponding to the position of the driving switch 8 h;
chemical waste enters the primary treatment device 1 through the feeding port 4, the primary treatment device 1 treats the internal chemical waste, generated primary waste gas enters the first containing cavity 8e of the waste gas treatment device 8 through the first exhaust port 5 and the first connecting pipe 9, the inlet of the first connecting pipe 9 entering the waste gas treatment device 8 is positioned above the partition plate 8d, the control motor 12 controls the driving switch 8h to close the through hole, at the moment, the spraying component 8b is started to enable the spraying nozzle 8b2 to spray liquid, the spraying nozzle 8b2 is closed after the primary waste gas is purified by the liquid, the control motor 12 controls the driving switch 8h to enable the through hole to be opened, the internal liquid and the residual waste gas enter the second containing cavity 8f through the through hole, after the internal waste gas completely enters the second containing cavity, the first lifting motor 8b3 is started to drive the spraying plate 8b1 to move downwards until the spraying nozzle 8b2 penetrates through the through hole of the partition plate 8d, then the first lifting motor 8b3 and the second lifting motor 8g synchronously drive the spray plate 8b1 and the partition plate 8d to move downwards to a preset position, and stop, the spray assembly 8b is opened and started again to enable the spray head 8b2 to spray liquid, the liquid purifies the secondary waste gas in the second accommodating cavity 8f again and then closes the spray head 8b2, then the first lifting motor 8b3 and the second lifting motor 8g synchronously drive the spray plate 8b1 and the partition plate 8d to move upwards to a position where the partition plate 8d is higher than the second connecting pipe 10 and stop, at the moment, the secondarily purified waste gas below the partition plate 8d is pumped to the secondary processing device 2 through the second connecting pipe 10 and the second exhaust port 7 and then pumped to the primary processing device 1 from the secondary processing device 2 through the second communicating pipe 11, the chemical waste material is processed by the primary processing device 1 and then enters the secondary processing device 2 through the first communicating pipe 3 for secondary processing, the waste gas after the secondary treatment is also pumped to the primary treatment device 1 through the second communicating pipe 11. The filtering and absorbing layer 8c comprises a filtering shell 8c1, a coarse filtering net 8c2, a fine filtering net 8c3 and an activated carbon filtering net 8c4, wherein the coarse filtering net 8c2, the fine filtering net 8c3 and the activated carbon filtering net 8c4 are arranged in the filtering shell 8c1 at intervals from top to bottom.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (2)
1. A waste treatment method based on a chemical waste treatment device is characterized in that: chemical waste treatment device is including all being one-level processing apparatus (1) and secondary treatment device (2) that the slope set up, be equipped with first connecting pipe (3) that are used for shifting the material between one-level processing apparatus (1) and secondary treatment device (2), be equipped with on one-level processing apparatus (1) and first exhaust port (5) rather than inside feed port (4) and being linked together, be equipped with drive assembly (6) of control material loading speed on this feed port (4), be equipped with on secondary treatment device (2) and rather than inside second exhaust port (7) that are linked together, the side of one-level processing apparatus (1) is equipped with exhaust-gas treatment device (8), be equipped with on this exhaust-gas treatment device (8) and be connected first connecting pipe (9) and second connecting pipe (10) with first exhaust port (5) and second exhaust port (7), the bottom of one-level processing apparatus (1) and secondary treatment device (2) is equipped with and is used for communicateing one-level processing apparatus (1) and secondary treatment device (2) A second communication pipe (11) of the processing device (2); the driving assembly (6) comprises a rotating shaft (6a) horizontally arranged on the feeding port (4), a driving motor (6b) for driving the rotating shaft (6a) to rotate and a rotating plate (6c) sleeved on the rotating shaft (6a), one end of the rotating shaft (6a) protrudes out of the feeding port (4), and the driving motor (6b) is fixedly connected with the feeding port (4);
the temperature in the secondary treatment device (2) is higher than the temperature in the primary treatment device (1);
the waste gas treatment device (8) comprises a reaction tower (8a), a spraying assembly (8b) and a filtering and absorbing layer (8c), wherein the reaction tower (8a) is internally provided with a horizontal partition plate (8d), the partition plate (8d) divides the space in the reaction tower (8a) into a first accommodating cavity (8e) and a second accommodating cavity (8f), the spraying assembly (8b) is arranged at the upper part in the reaction tower (8a), the filtering and absorbing layer (8c) is arranged at the lower part in the reaction tower (8a), and the outer wall of the reaction tower (8a) is respectively provided with a first air inlet and a second air inlet which are communicated with a first connecting pipe (9) and a second connecting pipe (10);
the spraying assembly (8b) comprises a spraying plate (8b1) which is horizontally arranged, a plurality of nozzles (8b2) which are circumferentially distributed and a first lifting motor (8b3) which is arranged at the top of the reaction tower (8a), the plurality of nozzles (8b2) are vertically distributed at the bottom of the spraying plate (8b1) downwards, an output shaft of the first lifting motor (8b3) penetrates through the reaction tower (8a) and is fixedly connected with the top of the spraying plate (8b1), and an output shaft of the first lifting motor (8b3) vertically lifts to drive the spraying plate (8b1) to move up and down;
the partition plate (8d) is arranged on a sliding rail on the inner wall of the reaction tower (8a), the outer wall of the reaction tower (8a) is provided with a second lifting motor (8g) for driving the partition plate (8d) to move up and down along the sliding rail, the partition plate (8d) is provided with a through hole corresponding to the spray head (8b2), a driving switch (8h) for driving the through hole to be opened or closed is arranged below the partition plate (8d), and a control motor (12) for controlling the driving switch (8h) is arranged on the outer wall of the reaction tower (8a) corresponding to the driving switch (8 h);
the waste treatment method comprises the following steps: chemical waste material passes through feed port (4) and gets into primary treatment device (1), primary treatment device (1) is handled inside chemical waste material, the one-level waste gas of production passes through first gas vent (5), first connecting pipe (9) get into first holding chamber (8e) of exhaust treatment device (8), the entry that first connecting pipe (9) got into exhaust treatment device (8) is located above baffle (8d), control motor (12) control drive switch (8h) make the thru hole close, at this moment, start spray assembly (8b) make shower nozzle (8b2) spray liquid, shower nozzle (8b2) are closed after liquid carries out purification treatment with one-level waste gas, control motor (12) control drive switch (8h) make the thru hole open, make inside liquid and remaining waste gas get into second holding chamber (8f) through the thru hole, get into the back completely, starting a first lifting motor (8b3) to drive a spray plate (8b1) to move downwards to a position where a spray head (8b2) penetrates through a through hole of a partition plate (8d), then synchronously driving the spray plate (8b1) and the partition plate (8d) to move downwards to a preset position by the first lifting motor (8b3) and a second lifting motor (8g), stopping the downward movement, opening the starting spray assembly (8b) again to enable the spray head (8b2) to spray liquid, closing the spray head (8b2) after the liquid carries out secondary purification treatment on secondary waste gas in a second accommodating cavity (8f), then synchronously driving the spray plate (8b1) and the partition plate (8d) to move upwards to a position where the partition plate (8d) is higher than the second connecting pipe (10) by the first lifting motor (8b3) and the second lifting motor (8g), stopping the secondary purified waste gas below the partition plate (8d) at the moment passes through the second connecting pipe (10), The second exhaust port (7) is pumped to the secondary treatment device (2), and then is pumped to the primary treatment device (1) from the secondary treatment device (2) through the second communicating pipe (11), the chemical waste materials are treated by the primary treatment device (1) and then enter the secondary treatment device (2) through the first communicating pipe (3) for secondary treatment, and the waste gas after the secondary treatment is pumped to the primary treatment device (1) through the second communicating pipe (11).
2. The waste treatment process of claim 1, characterized in that: the filtering and absorbing layer (8c) comprises a filtering shell (8c1), a coarse filtering net (8c2), a fine filtering net (8c3) and an active carbon filtering net (8c4), wherein the coarse filtering net (8c2), the fine filtering net (8c3) and the active carbon filtering net (8c4) are installed in the filtering shell (8c1) from top to bottom at intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010770137.0A CN111888920B (en) | 2020-08-04 | 2020-08-04 | Waste treatment method based on chemical waste treatment device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010770137.0A CN111888920B (en) | 2020-08-04 | 2020-08-04 | Waste treatment method based on chemical waste treatment device |
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| CN111888920A CN111888920A (en) | 2020-11-06 |
| CN111888920B true CN111888920B (en) | 2022-02-15 |
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| CN105169912A (en) * | 2015-08-16 | 2015-12-23 | 陈钦先 | Novel desulphurization device |
| CN108554143A (en) * | 2018-05-17 | 2018-09-21 | 友源（长兴）环保科技有限公司 | A kind of environment-friendly type industrial waste-gas purifier |
| CN108854487B (en) * | 2018-09-06 | 2024-03-22 | 常州纺织服装职业技术学院 | Arsine/phosphane waste gas treatment device and arsine/phosphane waste gas treatment method |
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