CN219025373U - Dangerous waste pretreatment device heated by steam - Google Patents
Dangerous waste pretreatment device heated by steam Download PDFInfo
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- CN219025373U CN219025373U CN202223463307.4U CN202223463307U CN219025373U CN 219025373 U CN219025373 U CN 219025373U CN 202223463307 U CN202223463307 U CN 202223463307U CN 219025373 U CN219025373 U CN 219025373U
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Abstract
The utility model relates to a dangerous waste pretreatment device heated by steam, which belongs to the technical field of waste treatment equipment and comprises a treatment shell, wherein a guide cover is arranged in the treatment shell, and the guide cover divides the inner space of the treatment shell into a treatment cavity and a heating cavity from top to bottom; at least three flow guide ports which are communicated with the processing chamber and the heating chamber are formed in the air guide sleeve; a material conveying pipe is arranged in the processing cavity, and two ends of the material conveying pipe are respectively communicated with a material inlet and a material outlet which are arranged on the processing shell; a crushing device and a material guiding device are sequentially arranged in the material conveying pipe from top to bottom; a steam supply source is arranged at the inner bottom of the heating chamber; an exhaust valve is arranged at the top of the treatment shell. The steam temperature is utilized to pass through the diversion port to form a gather and enter the processing cavity, and the design of at least three diversion ports improves the uniformity of the heated water on the conveying pipe; the steam temperature is obtained conveniently; the hazardous waste improves the heated area through the smashing device, and improves the pretreatment efficiency.
Description
Technical Field
The utility model belongs to the technical field of waste treatment equipment, and particularly relates to a dangerous waste pretreatment device heated by steam.
Background
Hazardous Waste (HW) refers to waste that is toxic, flammable, corrosive, reactive, and infectious, and can constitute a serious hazard to the ecological environment and human health.
Hazardous waste is of a wide variety and complex composition, and its pollution is potentially and lagging. The hazardous wastes of different types also contain a plurality of components with utilization value, and if the hazardous wastes are recycled and comprehensively utilized through reasonable and environment-friendly measures, the disposal pressure of the hazardous wastes is reduced, waste materials can be changed into valuable materials, and objective economic benefits are obtained. Waste can be converted into valuable resources as long as it is economically and technically viable. Hazardous waste recycling is beneficial to reducing the production and hazard from the source, but is subject to comprehensive and strict risk control. The guidance and standardization are enhanced, so that the standstill moment and the threshold are set.
Among the pretreatment technologies for hazardous waste are physical treatment, chemical treatment and biological treatment. Wherein the physical treatment is to change the structure of the solid waste by concentration or phase change to bring the solid waste into a form convenient for transportation, storage, utilization or disposal, and the solidification/stabilization technology is a common physical technology at present, and comprises methods of compaction, crushing, sorting, thickening, adsorption, extraction and the like. The solidified base material is used for fixing or coating the waste to reduce the leaching toxicity of harmful components of the waste, reduce the mobility of the waste and reduce the pollution to the surrounding environment.
In the physical treatment mode, the form of the object to be treated is solid or semi-solid. The pretreatment can crush the hazardous waste in morphology, and some toxic substances are converted into gas under the action of high temperature, so that the subsequent incineration treatment is facilitated, and the treatment efficiency of the hazardous waste is improved.
In the current pretreatment process, the dangerous waste is heated unevenly at high temperature, so that the condition of unsatisfactory pretreatment effect is caused.
Disclosure of Invention
The utility model provides a dangerous waste pretreatment device heated by steam, which aims to solve the problem that dangerous waste is heated unevenly at high temperature in the pretreatment process.
The utility model is realized by the following technical scheme:
the dangerous waste pretreatment device heated by steam comprises a treatment shell, wherein a guide cover is arranged in the treatment shell, and the guide cover divides the inner space of the treatment shell into a treatment cavity and a heating cavity from top to bottom;
at least three diversion ports which are communicated with the processing chamber and the heating chamber are formed in the diversion cover;
a material conveying pipe is arranged in the processing cavity, and two ends of the material conveying pipe are respectively communicated with a feed inlet and a discharge outlet which are arranged on the processing shell; a crushing device and a material guiding device are sequentially arranged in the material conveying pipe from top to bottom;
a steam supply source is arranged at the inner bottom of the heating chamber;
an exhaust valve is arranged at the top of the treatment shell.
The steam temperature is utilized to pass through the diversion port to form a gather and enter the processing cavity, and the design of at least three diversion ports improves the uniformity of the heated water on the conveying pipe; the steam temperature is obtained conveniently; the hazardous waste improves the heated area through the smashing device, and improves the pretreatment efficiency.
The utility model further improves that the diversion cover is provided with a bulge part which corresponds to at least three diversion openings respectively and protrudes upwards. The steam is quickly led to the flow guide opening by the bulge parts, and at least three bulge parts can improve the uniformity of steam distribution.
The utility model is further improved, and the treatment chamber is internally provided with a diversion pipe communicated with at least three diversion ports respectively; the honeycomb duct is vertical form setting, and its upper port is towards the conveying pipeline. The vertical flow guide pipe can guide steam, and meanwhile, the rising resistance is reduced, and the heat loss rate of temperature is reduced.
The utility model further improves that a heat preservation pipe coaxially sleeved outside the conveying pipe is arranged in the processing cavity, and the heat preservation pipe is respectively communicated with the guide pipe and the exhaust valve. An interlayer space is formed between the heat preservation pipe and the material conveying pipe, so that the space when steam acts on the material conveying pipe is further reduced, and the heating rate is improved.
In addition, the whole conveying pipe is obliquely arranged. The conveying pipe is obliquely arranged so as to be convenient for guiding the solid or semi-solid hazardous waste, and the detention probability of the hazardous waste in the conveying pipe is reduced.
A further development of the utility model provides that the comminution device comprises two comminution rollers which cooperate with one another; one end of each crushing roller, which is close to the feed inlet, extends to the outside of the processing shell and is driven by a crushing motor arranged on the outer wall of the processing shell. The two crushing rollers are matched with each other to improve the crushing uniformity of solid or semi-solid hazardous waste.
The utility model further improves that the material guiding device comprises a dragon blade matched with the inner bottom of the material conveying pipe; one end of the dragon blade, which is close to the feeding hole, extends to the outside of the processing shell and is driven by a pushing motor arranged on the outer wall of the processing shell. The conveying efficiency of hazardous waste deposited on the lower part of the conveying pipe is improved through the dragon blade.
From the technical scheme, the beneficial effects of the utility model are as follows: 1. the steam temperature is utilized to pass through the diversion port to form a gather and enter the processing cavity, and the design of at least three diversion ports improves the uniformity of the heated water on the conveying pipe; 2. the steam temperature is obtained conveniently; the dangerous waste improves the heated area through the smashing device, and 3, improves the pretreatment efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic cross-sectional view of an embodiment of the present utility model.
Fig. 2 is a schematic view of a pod according to an embodiment of the present utility model.
Fig. 3 is a schematic view of a conveying pipe according to an embodiment of the present utility model.
Fig. 4 is a schematic structural view of a pulverizing apparatus according to an embodiment of the present utility model.
In the accompanying drawings: 1. the device comprises a treatment shell, 11, a feed inlet, 12, a discharge outlet, 13, an exhaust valve, 2, a guide cover, 21, a bulge part, 22, a guide opening, 23, a guide pipe, 3, a treatment chamber, 4, a heating chamber, 5, a conveying pipe, 51, a smashing device 511, a smashing roller, 52, a smashing motor, 53, a pushing motor, 6, a heat-insulating pipe, 7 and a steam supply source.
Detailed Description
In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.
As shown in fig. 1-4, a hazardous waste pretreatment device heated by steam comprises a treatment shell 1, wherein a guide cover 2 is arranged in the treatment shell 1, and the guide cover 2 divides the inner space of the treatment shell 1 into a treatment chamber 3 and a heating chamber 4 from top to bottom; at least three diversion openings 22 which are communicated with the processing chamber 3 and the heating chamber 4 are formed in the diversion cover 2; the inner bottom of the heating chamber 4 is provided with a steam supply 7. The steam temperature is obtained conveniently; the steam temperature is utilized to pass through the diversion ports 22 to form aggregation and enter the processing chamber 3, and the uniformity of the heated temperature acted on the conveying pipe 5 is improved through the design of at least three diversion ports 22.
The air guide sleeve 2 is provided with raised parts 21 which respectively correspond to at least three air guide openings 22 and are raised upwards. The steam is rapidly led to the flow guiding port 22 by the bulge parts 21, and at least three bulge parts 21 can improve the uniformity of steam distribution.
A material conveying pipe 5 is arranged in the treatment chamber 3, and two ends of the material conveying pipe 5 are respectively communicated with a feed inlet 11 and a discharge outlet 12 which are arranged on the treatment shell 1; a crushing device 51 and a material guiding device are sequentially arranged in the material conveying pipe 5 from top to bottom; the hazardous waste is subjected to the smashing device 51, so that the temperature receiving area is increased, and the pretreatment efficiency is improved.
The whole conveying pipe 5 is obliquely arranged. The inclined conveying pipe 5 is used for guiding solid or semi-solid dangerous wastes, so that the detention probability of the dangerous wastes in the conveying pipe 5 is reduced.
The treatment chamber 3 is internally provided with a heat preservation pipe 6 coaxially sleeved outside the conveying pipe 5, and the heat preservation pipe 6 is respectively communicated with the guide pipe 23 and the exhaust valve 13. An interlayer space is formed between the heat preservation pipe 6 and the material conveying pipe 5, so that the space when steam acts on the material conveying pipe 5 is further reduced, and the heating rate is improved.
The treatment chamber 3 is respectively provided with a diversion pipe 23 communicated with at least three diversion ports 22; the flow guiding pipe 23 is arranged vertically, and the upper port of the flow guiding pipe faces the material conveying pipe 5. The vertical flow guide pipe 23 can guide steam, reduce rising resistance and reduce heat loss rate of temperature.
The crushing device 51 comprises two mutually matched crushing rollers 511; one end of the two pulverizing rollers 511 near the feed port 11 extends to the outside of the process casing 1 and is driven by a pulverizing motor 52 provided on the outer wall of the process casing 1. The two pulverizing rollers 511 cooperate with each other to improve the uniformity of pulverization of the solid or semi-solid hazardous waste.
The gap between the two pulverizing rolls 511 corresponds to the feed port 11 so that hazardous wastes can be timely pulverized.
The material guiding device comprises a dragon blade matched with the inner bottom of the material conveying pipe 5; one end of the dragon blade close to the feed inlet 11 extends to the outside of the processing shell 1 and is driven by a pushing motor 53 arranged on the outer wall of the processing shell 1. The conveying efficiency of hazardous waste deposited on the lower part of the conveying pipe 5 is improved through the dragon blade.
The top of the treatment housing 1 is provided with an exhaust valve 13. The control of the residence time of the steam in the insulating tube 6 is achieved by regulating and controlling the exhaust valve 13 in advance.
According to the dangerous waste pretreatment device heated by steam, steam temperature is utilized to penetrate through the diversion port to form a gather and enter the treatment cavity, and the temperature uniformity on the conveying pipe is improved through the design of at least three diversion ports; the steam temperature is obtained conveniently; the hazardous waste improves the heated area through the smashing device, and improves the pretreatment efficiency.
In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.
The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. 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 utility model. Thus, the present utility model 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 (7)
1. The dangerous waste pretreatment device heated by steam comprises a treatment shell (1) and is characterized in that a guide cover (2) is arranged in the treatment shell (1), and the guide cover (2) divides the inner space of the treatment shell (1) into a treatment chamber (3) and a heating chamber (4) from top to bottom;
at least three diversion openings (22) which are communicated with the processing chamber (3) and the heating chamber (4) are formed in the diversion cover (2);
a material conveying pipe (5) is arranged in the treatment chamber (3), and two ends of the material conveying pipe (5) are respectively communicated with a material inlet (11) and a material outlet (12) which are arranged on the treatment shell (1); a crushing device (51) and a material guiding device are sequentially arranged in the material conveying pipe (5) from top to bottom;
a steam supply source (7) is arranged at the inner bottom of the heating chamber (4);
an exhaust valve (13) is arranged at the top of the treatment shell (1).
2. A hazardous waste pretreatment apparatus using steam heating according to claim 1, wherein the guide cover (2) is provided with protrusions (21) corresponding to at least three guide openings (22) respectively and protruding upward.
3. A hazardous waste pretreatment apparatus using steam heating according to claim 2, characterized in that the treatment chamber (3) is provided with a flow guide pipe (23) communicating with at least three flow guide ports (22), respectively; the flow guide pipe (23) is arranged vertically, and the upper port of the flow guide pipe faces the conveying pipe (5).
4. A hazardous waste pretreatment device heated by steam according to claim 3, characterized in that a heat preservation pipe (6) coaxially sleeved outside the conveying pipe (5) is arranged in the treatment chamber (3), and the heat preservation pipe (6) is respectively communicated with the guide pipe (23) and the exhaust valve (13).
5. A hazardous waste pre-treatment device using steam heating according to claim 4, characterized in that the feed conveyor pipe (5) is arranged in an inclined manner as a whole.
6. A hazardous waste pre-treatment device using steam heating according to claim 4 or 5, characterized in that the crushing device (51) comprises two mutually cooperating crushing rollers (511); one end of the two pulverizing rollers (511) near the feed port (11) extends to the outside of the processing housing (1) and is driven by a pulverizing motor (52) provided on the outer wall of the processing housing (1).
7. A hazardous waste pre-treatment device using steam heating according to claim 4 or 5, characterized in that the material guiding means comprises dragon blades cooperating with the bottom inside the material conveying pipe (5); one end of the dragon blade close to the feed inlet (11) extends to the outside of the processing shell (1) and is driven by a pushing motor (53) arranged on the outer wall of the processing shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223463307.4U CN219025373U (en) | 2022-12-12 | 2022-12-12 | Dangerous waste pretreatment device heated by steam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223463307.4U CN219025373U (en) | 2022-12-12 | 2022-12-12 | Dangerous waste pretreatment device heated by steam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219025373U true CN219025373U (en) | 2023-05-16 |
Family
ID=86293621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223463307.4U Active CN219025373U (en) | 2022-12-12 | 2022-12-12 | Dangerous waste pretreatment device heated by steam |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219025373U (en) |
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2022
- 2022-12-12 CN CN202223463307.4U patent/CN219025373U/en active Active
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