CN214881039U - Atmosphere protection device of pyrolysis desorption system - Google Patents
Atmosphere protection device of pyrolysis desorption system Download PDFInfo
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- CN214881039U CN214881039U CN202022505098.XU CN202022505098U CN214881039U CN 214881039 U CN214881039 U CN 214881039U CN 202022505098 U CN202022505098 U CN 202022505098U CN 214881039 U CN214881039 U CN 214881039U
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Abstract
The utility model provides an atmosphere protection device of a pyrolysis desorption system, which is applied to the technical field of oily sludge treatment equipment, wherein an oxygen content detection part (6) and a nitrogen supply part (7) are arranged on a pyrolysis desorption system pyrolysis furnace (1) of the atmosphere protection device of the pyrolysis desorption system, the oxygen content detection part (6) and the nitrogen supply part (7) are respectively connected with a control part (8), the oxygen content detection part (6) is arranged into a structure which can feed back real-time oxygen concentration numerical values in the pyrolysis desorption system pyrolysis furnace (1) to the control part (8), the atmosphere protection device of the pyrolysis desorption system can effectively ensure that the oxygen concentration in the pyrolysis system pyrolysis furnace is always within a set oxygen concentration numerical value range and is always lower than the safe operation concentration of the pyrolysis furnace, thereby effectively protecting the pyrolysis desorption system pyrolysis furnace, the working safety of the equipment is improved.
Description
Technical Field
The utility model belongs to the technical field of oiliness mud (fatlute) treatment facility, more specifically say, relate to a pyrolysis desorption system atmosphere protection device.
Background
In industrial production, the kinds of sludge treatment are quite various. While oil-containing sludges are an important class thereof. The oil-containing sludge needs to be subjected to oil-sludge separation. In the prior art, the oily sludge is calculated and respectively comprises liquid oily sludge (oil sludge), semi-solid oily sludge and solid oily sludge according to oil content, water content, solid content, material source and form. Aiming at the treatment of oily sludge, the prior art needs classification treatment and quite complicated process procedures, so that the whole treatment system has more equipment, complicated process procedures and obviously increased cost. The pyrolysis desorption gas treatment device of the oily sludge treatment system is important equipment, and the existing pyrolysis desorption gas treatment device has the potential safety hazard that the oxygen content is too high and exceeds the standard to cause explosion in a pyrolysis furnace.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the utility model provides a simple structure can effectively guarantee that the interior oxygen concentration of pyrolysis desorption system pyrolysis oven is in setting for oxygen concentration numerical value range all the time, and is less than pyrolysis oven safe operation concentration all the time to effectively protect pyrolysis desorption system pyrolysis oven, improve equipment work safety's pyrolysis desorption system atmosphere protection device.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to an atmosphere protection device of a pyrolysis desorption system, which comprises a pyrolysis desorption system pyrolysis furnace, a high-temperature flue gas heating cavity is arranged on the pyrolysis desorption system pyrolysis furnace, the high-temperature flue gas heating cavity is communicated with a high-temperature flue gas supply pipeline, a pyrolysis furnace gas inlet and a pyrolysis furnace gas outlet are arranged on the pyrolysis desorption system pyrolysis furnace, an oxygen content detection part and a nitrogen gas supply part are arranged on the pyrolysis desorption system pyrolysis furnace, the oxygen content detection part and the nitrogen gas supply part are respectively connected with a control part, the oxygen content detection part is arranged into a structure capable of feeding back a real-time oxygen concentration value in the pyrolysis desorption system pyrolysis furnace to the control part in real time, when the real-time oxygen concentration value in the pyrolysis desorption system pyrolysis furnace is higher than a high-position set oxygen concentration value, the control part is arranged into a structure capable of controlling the nitrogen gas supply part to inject nitrogen gas into the pyrolysis desorption system pyrolysis furnace, when the real-time oxygen concentration numerical value in the pyrolysis desorption system pyrolysis furnace is lower than the low-order set oxygen concentration numerical value, the control part is set to be the structure capable of controlling the nitrogen supply part to stop injecting nitrogen into the pyrolysis desorption system pyrolysis furnace.
Pyrolysis desorption system atmosphere protection device's pyrolysis oven of pyrolysis desorption system include pyrolysis oven inlayer and pyrolysis oven skin, form high temperature flue gas heating cavity between pyrolysis oven inlayer and the pyrolysis oven skin, high temperature flue gas supply pipeline includes high temperature flue gas input pipeline and high temperature flue gas discharge pipeline.
Pyrolysis desorption system atmosphere protection device's pyrolysis oven gas entry on pyrolysis desorption system pyrolysis oven set up to treat the structure that pyrolysis desorption gas got into pyrolysis desorption system pyrolysis oven for can inputing, pyrolysis oven gas outlet sets up to the structure that can export pyrolysis desorption gas discharge pyrolysis desorption system pyrolysis oven.
And a gas purification part is arranged between the oxygen content detection part of the pyrolysis desorption system atmosphere protection device and the pyrolysis furnace of the pyrolysis desorption system.
The nitrogen gas supply part comprises a nitrogen making part and a nitrogen gas conveying pipeline, one end of the nitrogen gas conveying pipeline is communicated with the nitrogen making part, the other end of the nitrogen gas conveying pipeline is communicated with the pyrolysis furnace of the pyrolysis desorption system, and the nitrogen gas conveying pipeline is provided with an electronic valve which is connected with the control part.
The pyrolysis desorption gas treated by the pyrolysis furnace of the pyrolysis desorption system comprises water vapor, oil vapor, air, organic matters, acid gas and dust.
After the oxygen content detection part is set to be capable of feeding back real-time oxygen concentration numerical values in the pyrolysis desorption system pyrolysis furnace to the control part in real time, the control part is set to be capable of ensuring that the pyrolysis desorption system pyrolysis furnace is always in a micro-oxygen state meeting set standard concentration by controlling the nitrogen supply part.
The nitrogen making component of the nitrogen supply component adopts PSA pressure swing adsorption to make nitrogen, and the nitrogen making component is set into a structure capable of forming nitrogen after intercepting oxygen by sucked air when the control component controls the nitrogen supply component to ensure that the pyrolysis desorption system pyrolysis furnace is always in a micro-oxygen state meeting set standards.
Before pyrolysis desorption system pyrolysis oven start, the control unit sets up to control nitrogen gas supply unit and starts and sweep the replacement and reduce the structure of oxygen concentration to the air in the pipeline with pyrolysis desorption system pyrolysis oven intercommunication.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
pyrolysis desorption system atmosphere protection device, through the real-time oxygen concentration in oxygen content testing part can the real-time detection pyrolysis desorption system pyrolysis stove, and nitrogen gas supply part can be as required to the interior supply nitrogen gas of pyrolysis desorption system pyrolysis stove. And the oxygen content detecting part and the nitrogen gas supplying part establish a tubular beam by the control part. Like this, when the real-time oxygen concentration in the pyrolysis desorption system pyrolysis stove surpassed the oxygen concentration numerical value of setting for, the control part control nitrogen gas supply part starts, pours into nitrogen gas into the pyrolysis desorption system pyrolysis stove to dilute oxygen concentration. Therefore, the pyrolysis desorption system pyrolysis furnace is always in a micro-oxygen state, namely, the pyrolysis desorption system pyrolysis furnace is always in a safe and stable running state. Pyrolysis desorption system atmosphere protection device, can effectively guarantee that the interior oxygen concentration of pyrolysis desorption system pyrolysis oven is in all the time and sets for oxygen concentration numerical value within range, and be less than pyrolysis oven safe operation concentration all the time to effectively protect pyrolysis desorption system pyrolysis oven, improve equipment work safety.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic structural view of an atmosphere protection device of a pyrolysis desorption system according to the present invention;
in the drawings, the reference numbers are respectively: 1. a pyrolysis desorption system pyrolysis furnace; 2. heating the cavity by high-temperature flue gas; 3. a high temperature flue gas supply line; 4. a pyrolysis furnace gas inlet; 5. a pyrolysis furnace gas outlet; 6. an oxygen content detection part; 7. a nitrogen gas supply part; 8. a control component; 9. an inner layer of the pyrolysis furnace; 10. an outer layer of the pyrolysis furnace; 11. a high-temperature flue gas input pipeline; 12. a high-temperature flue gas discharge pipeline; 13. a gas purification component; 14. a nitrogen producing component; 15. a nitrogen gas delivery line; 16. an electronic valve.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the attached figure 1, the utility model relates to an atmosphere protection device of a pyrolysis desorption system, which comprises a pyrolysis furnace 1 of the pyrolysis desorption system, a high-temperature flue gas heating cavity 2 is arranged on the pyrolysis furnace 1 of the pyrolysis desorption system, the high-temperature flue gas heating cavity 2 is communicated with a high-temperature flue gas supply pipeline 3, a pyrolysis furnace gas inlet 4 and a pyrolysis furnace gas outlet 5 are arranged on the pyrolysis furnace 1 of the pyrolysis desorption system, an oxygen content detection part 6 and a nitrogen gas supply part 7 are arranged on the pyrolysis furnace 1 of the pyrolysis desorption system, the oxygen content detection part 6 and the nitrogen gas supply part 7 are respectively connected with a control part 8, the oxygen content detection part 6 is arranged into a structure which can feed back real-time oxygen concentration value in the pyrolysis furnace 1 of the pyrolysis desorption system to the control part 8 in real time, when the real-time oxygen concentration value in the pyrolysis furnace 1 of the pyrolysis desorption system is higher than the high-level set oxygen concentration value, control unit 8 sets up to the structure that can control nitrogen gas supply unit 7 and inject nitrogen gas into pyrolysis desorption system pyrolysis oven 1, and when the real-time oxygen concentration numerical value in pyrolysis desorption system pyrolysis oven 1 was less than the low level and sets for oxygen concentration numerical value, control unit 8 sets up to the structure that can control nitrogen gas supply unit 7 and stop injecting nitrogen gas into pyrolysis desorption system pyrolysis oven 1. With the above structure, the real-time oxygen concentration in the pyrolysis desorption system pyrolysis furnace 1 can be detected in real time by the oxygen content detection unit 6, and the nitrogen gas supply unit 7 can supply nitrogen gas into the pyrolysis desorption system pyrolysis furnace 1 as required. And the oxygen content detecting part 6 and the nitrogen gas supplying part 7 establish a tubular beam by the control part. Like this, when the real-time oxygen concentration in pyrolysis desorption system pyrolysis oven 1 exceeded the oxygen concentration numerical value of setting for, control unit control nitrogen gas supply unit 7 starts, injects nitrogen gas into pyrolysis desorption system pyrolysis oven 1 to dilute oxygen concentration. Like this for be in little oxygen state in the pyrolysis desorption system pyrolysis oven 1 all the time, pyrolysis desorption system pyrolysis oven 1 is in the state of safe, steady operation all the time promptly. Pyrolysis desorption system atmosphere protection device, simple structure can effectively guarantee that the interior oxygen concentration of pyrolysis desorption system pyrolysis stove is in all the time and sets for oxygen concentration numerical value within range, and is less than pyrolysis stove safe operation concentration all the time to effectively protect pyrolysis desorption system pyrolysis stove, improve equipment work safety nature.
Pyrolysis desorption system atmosphere protection device's pyrolysis oven 1 of pyrolysis desorption system includes pyrolysis oven inlayer 9 and pyrolysis oven skin 10, forms high temperature flue gas heating cavity 2 between pyrolysis oven inlayer 9 and the pyrolysis oven skin 10, high temperature flue gas supply pipeline 3 includes high temperature flue gas input pipeline 11 and high temperature flue gas discharge line 12. Above-mentioned structure, the high temperature flue gas that equipment produced in the existing equipment was taken to the high temperature flue gas, and high temperature flue gas input pipeline 11 is used for the high temperature input, the high temperature flue gas passes through high temperature flue gas heating cavity 2, with the gaseous heat transfer of pyrolysis desorption that passes through in the pyrolysis desorption system pyrolysis oven 1, pyrolysis desorption is heated, take place the pyrolysis, then, the flue gas of cooling after the heat transfer passes through high temperature flue gas discharge pipe way 12 and discharges, realize the reuse of the high temperature flue gas energy, need not set up heating equipment specially, thereby reduce energy consumption, and the cost is saved.
Pyrolysis desorption system atmosphere protection device's pyrolysis oven gas inlet 4 on pyrolysis desorption system pyrolysis oven 1 sets up to treating the structure that pyrolysis desorption gas got into pyrolysis desorption system pyrolysis oven 1 for can inputing, pyrolysis oven gas outlet 5 sets up to the structure that can export pyrolysis desorption gas discharge pyrolysis desorption system pyrolysis oven 1. Above-mentioned structure, the pyrolysis desorption gas that needs pyrolysis treatment gets into from pyrolysis oven gas inlet 4, carries out pyrolytic reaction in the pyrolysis oven, and then after handling, the pyrolysis desorption gas is discharged from pyrolysis oven gas outlet 5, realizes handling.
And a gas purification part 13 is arranged between the oxygen content detection part 6 of the pyrolysis desorption system atmosphere protection device and the pyrolysis furnace 1 of the pyrolysis desorption system. Above-mentioned structure, gaseous purification unit 13 is to the gaseous water, hydrocarbon and other organic matters of removing that need detect oxygen concentration after, reentrant oxygen content test unit 6's electrochemical analysis instrument carries out oxygen content concentration analysis, reachs real-time oxygen concentration numerical value, then feeds back numerical value to control unit, and the numerical value is accurate.
The nitrogen gas supply part 7 comprises a nitrogen making part 14 and a nitrogen gas conveying pipeline 15, one end of the nitrogen gas conveying pipeline 15 is communicated with the nitrogen making part 14, the other end of the nitrogen gas conveying pipeline 15 is communicated with the pyrolysis furnace 1 of the pyrolysis desorption system, an electronic valve 16 is arranged on the nitrogen gas conveying pipeline 15, and the electronic valve 16 is connected with the control part 8. Above-mentioned structure, nitrogen gas supply unit can adopt the nitrogen storage tank body to store nitrogen gas, then supplies pyrolysis desorption system pyrolysis oven 1, also can adopt nitrogen-making unit 14, and on-the-spot nitrogen-making, then supply pyrolysis desorption system pyrolysis oven 1, satisfies the demand.
The pyrolysis desorption gas treated by the pyrolysis desorption system pyrolysis furnace 1 comprises water vapor, oil vapor, air, organic matters, acid gas and dust. Oxygen content determine part 6 set up to can feed back the real-time oxygen concentration numerical value in the pyrolysis desorption system pyrolysis oven 1 to control part 8 in real time after, control part 8 sets up to be in the structure that satisfies the little oxygen state of setting for standard concentration all the time in guaranteeing pyrolysis desorption system pyrolysis oven 1 through control nitrogen gas supply unit 7. Above-mentioned structure, little oxygen state ensures the pyrolysis oven safe and reliable work, avoids because oxygen content is too high hidden danger such as explosion takes place, ensures the reliable operation of equipment, and the performance is good.
The nitrogen making component 14 of the nitrogen gas supply component 7 adopts PSA pressure swing adsorption to make nitrogen, and when the control component 8 ensures that the inside of the pyrolysis furnace 1 of the pyrolysis desorption system is always in a micro-oxygen state meeting the set standard through controlling the nitrogen gas supply component 7, the nitrogen making component 14 is set into a structure capable of forming nitrogen gas after intercepting oxygen gas by sucked air. According to the structure, the nitrogen-making component sucks air on site, and then nitrogen and oxygen are separated, so that nitrogen preparation is realized, and the requirement of sufficient supply is met.
Before pyrolysis desorption system pyrolysis oven 1 start, control unit 8 sets up to control nitrogen gas supply unit 7 and starts and sweep the replacement and reduce the structure of oxygen concentration to the air in the pipeline that communicates with pyrolysis desorption system pyrolysis oven 1. Above-mentioned structure to the pipeline that can produce the pyrolysis desorption system pyrolysis oven 1 intercommunication of gas such as inflammable, explosive, for guaranteeing safe start, before pyrolysis desorption system starts, sweeps the replacement, avoids the high problem of oxygen concentration.
Pyrolysis desorption system atmosphere protection device, through the real-time oxygen concentration in oxygen content testing part can the real-time detection pyrolysis desorption system pyrolysis stove, and nitrogen gas supply part can be as required to the interior supply nitrogen gas of pyrolysis desorption system pyrolysis stove. And the oxygen content detecting part and the nitrogen gas supplying part establish a tubular beam by the control part. Like this, when the real-time oxygen concentration in the pyrolysis desorption system pyrolysis stove surpassed the oxygen concentration numerical value of setting for, the control part control nitrogen gas supply part starts, pours into nitrogen gas into the pyrolysis desorption system pyrolysis stove to dilute oxygen concentration. Therefore, the pyrolysis desorption system pyrolysis furnace is always in a micro-oxygen state, namely, the pyrolysis desorption system pyrolysis furnace is always in a safe and stable running state. Pyrolysis desorption system atmosphere protection device, can effectively guarantee that the interior oxygen concentration of pyrolysis desorption system pyrolysis oven is in all the time and sets for oxygen concentration numerical value within range, and be less than pyrolysis oven safe operation concentration all the time to effectively protect pyrolysis desorption system pyrolysis oven, improve equipment work safety.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (8)
1. The utility model provides a pyrolysis desorption system atmosphere protection device which characterized in that: the atmosphere protection device of the pyrolysis desorption system comprises a pyrolysis desorption system pyrolysis furnace (1), a high-temperature flue gas heating cavity (2) is arranged on the pyrolysis desorption system pyrolysis furnace (1), the high-temperature flue gas heating cavity (2) is communicated with a high-temperature flue gas supply pipeline (3), a pyrolysis desorption system pyrolysis furnace (1) is provided with a pyrolysis furnace gas inlet (4) and a pyrolysis furnace gas outlet (5), the pyrolysis desorption system pyrolysis furnace (1) is provided with an oxygen content detection part (6) and a nitrogen supply part (7), the oxygen content detection part (6) and the nitrogen supply part (7) are respectively connected with a control part (8), the oxygen content detection part (6) is arranged into a structure capable of feeding back real-time oxygen concentration numerical values in the pyrolysis desorption system pyrolysis furnace (1) to the control part (8), and when the real-time oxygen concentration numerical values in the pyrolysis desorption system pyrolysis furnace (1) are higher than high-level set oxygen concentration numerical values, control unit (8) set up to the structure that can control nitrogen gas supply unit (7) and inject nitrogen gas into pyrolysis desorption system pyrolysis oven (1), and when the real-time oxygen concentration numerical value in pyrolysis desorption system pyrolysis oven (1) was less than the low level and sets for oxygen concentration numerical value, control unit (8) set up to the structure that can control nitrogen gas supply unit (7) and stop to inject nitrogen gas into pyrolysis desorption system pyrolysis oven (1).
2. The pyrolytic desorption system atmosphere protection device of claim 1, wherein: pyrolysis desorption system atmosphere protection device's pyrolysis oven (1) of pyrolysis desorption system include pyrolysis oven inlayer (9) and pyrolysis oven skin (10), form high temperature flue gas heating cavity (2) between pyrolysis oven inlayer (9) and pyrolysis oven skin (10), high temperature flue gas supply pipeline (3) include high temperature flue gas input pipeline (11) and high temperature flue gas discharge pipeline (12).
3. The pyrolytic desorption system atmosphere protection device of claim 1 or 2, wherein: pyrolysis desorption system atmosphere protection device's pyrolysis oven gas entry (4) on pyrolysis desorption system pyrolysis oven (1) set up to treat the structure that pyrolysis desorption gas got into pyrolysis desorption system pyrolysis oven (1) for can inputing, pyrolysis oven gas outlet (5) set up to the structure that can export pyrolysis desorption gas discharge pyrolysis desorption system pyrolysis oven (1).
4. The pyrolytic desorption system atmosphere protection device of claim 1 or 2, wherein: the gas purification device is characterized in that a gas purification part (13) is arranged between an oxygen content detection part (6) of the pyrolysis desorption system atmosphere protection device and the pyrolysis furnace (1) of the pyrolysis desorption system.
5. The pyrolytic desorption system atmosphere protection device of claim 1 or 2, wherein: the nitrogen supply part (7) comprises a nitrogen making part (14) and a nitrogen conveying pipeline (15), one end of the nitrogen conveying pipeline (15) is communicated with the nitrogen making part (14), the other end of the nitrogen conveying pipeline (15) is communicated with the pyrolysis furnace (1) of the pyrolysis desorption system, an electronic valve (16) is arranged on the nitrogen conveying pipeline (15), and the electronic valve (16) is connected with the control part (8).
6. The pyrolytic desorption system atmosphere protection device of claim 1 or 2, wherein: after oxygen content testing part (6) set up to can feed back the real-time oxygen concentration numerical value in pyrolysis desorption system pyrolysis oven (1) to control unit (8) in real time, control unit (8) set up to be in the structure that satisfies the little oxygen state of setting for standard concentration all the time in guaranteeing pyrolysis desorption system pyrolysis oven (1) through control nitrogen gas supply unit (7).
7. The pyrolytic desorption system atmosphere protection device of claim 5, wherein: the nitrogen making component (14) of the nitrogen supply component (7) adopts PSA pressure swing adsorption to make nitrogen, and when the control component (8) ensures that the interior of the pyrolysis furnace (1) of the pyrolysis desorption system is always in a micro-oxygen state meeting set standards through controlling the nitrogen supply component (7), the nitrogen making component (14) is set into a structure capable of forming nitrogen after oxygen is trapped by sucked air.
8. The pyrolytic desorption system atmosphere protection device of claim 1 or 2, wherein: before pyrolysis desorption system pyrolysis oven (1) start, control unit (8) set up to control nitrogen gas supply unit (7) and start and sweep the replacement and reduce the structure of oxygen concentration to the air in the pipeline that communicates with pyrolysis desorption system pyrolysis oven (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202022505098.XU CN214881039U (en) | 2020-11-03 | 2020-11-03 | Atmosphere protection device of pyrolysis desorption system |
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| CN202022505098.XU CN214881039U (en) | 2020-11-03 | 2020-11-03 | Atmosphere protection device of pyrolysis desorption system |
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| CN214881039U true CN214881039U (en) | 2021-11-26 |
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