CN217092533U - Rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system - Google Patents
Rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system Download PDFInfo
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- CN217092533U CN217092533U CN202123439672.7U CN202123439672U CN217092533U CN 217092533 U CN217092533 U CN 217092533U CN 202123439672 U CN202123439672 U CN 202123439672U CN 217092533 U CN217092533 U CN 217092533U
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Abstract
The utility model provides a rubber banburying waste gas flue gas lime hydrate preliminary treatment and RTO incineration disposal system removes including shaking to shake the filtrationThe dust device, the oil absorption powder applying device, the additional filtering device, the conveying power device, the waste gas combustion device and the tail end discharging device are arranged, the bag-type dust remover arranged in the treatment system can remove dust particles, tar can be effectively adsorbed and removed by combining with a slaked lime film, the situation that the filter bag and subsequent filter materials are blocked by the tar is prevented, and the situation that the treatment efficiency of each module of the system is reduced and even paralyzed is avoided; the primary pretreatment structure of the treatment system adopts a slaked lime injector combined with a bag-type dust collector to remove large particulate matters while removing tar; the secondary pretreatment structure adopts a multi-stage dry filter, so that micro particles can be effectively removed, and the concentration of particulate matters in the waste gas entering the heat storage combustion device is ensured to be far lower than 5mg/m 3 And prevents the particulate matters from blocking the heat accumulator in the RTO to influence the heat accumulation effect.
Description
Technical Field
The utility model relates to a waste gas treatment equipment especially relates to a rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system.
Background
The rubber banburying waste gas mainly comes from industrial dust, VOCs and tar generated during mixing of carbon black and various auxiliary materials, and the waste gas at a feeding and discharging opening has the characteristics of high concentration, large dust content and large tar content. Rubber banburying waste gas contains oil content such as tar, particulate matter such as carbon black to and the organic matter of a great variety, composition complicacy, if oil content, particulate matter etc. do not obtain effective preliminary treatment in the waste gas, cause the influence to the treatment facility of rear end easily: the particulate matter can cause the jam of follow-up substrate, the oil content can block up and cover the processing element, and the sulfur-containing material leads to catalyst poisoning easily to lose activity etc. has increased the system fault rate, has improved operation and manual maintenance cost.
In practical engineering application, for rubber banburying waste gas and flue gas treatment, the processes of adsorption, washing, photooxidation, plasma technology, catalytic combustion, RTO (Regenerative Thermal Oxidizer) and the like are mainly included, dust particles can be removed by a pulse bag-type dust remover, tar cannot be removed, and even the situation that the tar blocks a filter bag and subsequent base materials can occur, so that the treatment efficiency of each module of the system is reduced and even the system is paralyzed; the photo-oxidation catalysis has a certain effect on malodorous gas, has low removal efficiency on organic matters, is difficult to achieve ideal treatment effect on banburying waste gas, and has difficult standard emission indexes; the tar which is not completely treated is easy to cover the photooxidation lamp tube and the catalytic material, so that the phenomenon of failure of treatment equipment is caused; the spray tower has certain removal rate to the composition and the tiny particle thing that dissolve in water, but is lower to the removal efficiency of organic matter, and big amount of wind waste gas spray tower occupation of land is great, consequently also has great limitation, mostly only uses as the preliminary treatment in the practical application. For the waste gas with high concentration at the discharge opening, the RTO is considered as an efficient treatment technology and has been successfully applied to the VOCs treatment of industrial waste gas. In the actual treatment process, the waste gas such as the waste gas of the feeding and discharging port, the waste gas of the lower auxiliary machine, the waste gas of the film cooling and the like is mixed for post-treatment. The waste gas after the mixture has the characteristics of large amount of wind, medium concentration VOCs, but equipment specification is big, the operation maintenance cost is high, needs regularly to wash the inside tar of system, and the treatment effeciency is low, and the decay is serious, needs regularly to trade water and filter bag, and energy resource consumption is big, and the unsatisfactory rear end exhaust-gas treatment that leads to of front end preliminary treatment is inefficacy. Therefore, it is necessary to optimize the structure of the rubber mixing waste gas treatment system to overcome the above defects.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system.
The utility model discloses a solve the technical scheme that its technical problem adopted and be:
a rubber banburying waste gas flue gas lime hydrate preliminary treatment and RTO incineration disposal system includes:
the vibrating, filtering and dedusting device is communicated with the waste gas conveying pipeline, and the vibrating, filtering and dedusting device is used for removing dust from the waste gas conveyed by the waste gas conveying pipeline;
the oil absorption powder applying device is matched with the rapping dust removal device, and the oil absorption powder is applied to the rapping dust removal device by the oil absorption powder laminating device, so that the rapping filtering dust removal device can absorb tar in the waste gas conveyed by the waste gas conveying pipeline;
the additional filtering device is communicated with the vibration and filtration dust removal device, and the additional filtering device is used for filtering the waste gas treated by the vibration and filtration dust removal device;
the conveying power device is communicated with the additional filtering device, and the conveying power device drives the waste gas conveyed by the waste gas collecting pipeline to move along the vibrating, filtering and dedusting device and the additional filtering device;
the waste gas combustion device is communicated with the conveying power device and is used for carrying out combustion treatment on the waste gas treated by the additional filtering device;
and the tail end discharge device is communicated with the waste gas combustion device, and standard-reaching gas formed by combustion treatment of the waste gas combustion device is discharged through the tail end discharge device.
The vibrating, filtering and dust removing device comprises:
the bag-type dust remover is communicated with the waste gas collecting pipeline, and the bag-type dust remover is used for removing dust from the waste gas conveyed by the waste gas conveying pipeline.
Oil absorption powder applying device includes:
the slaked lime injector is matched with the bag-type dust collector, slaked lime is injected to the surface of a filter bag of the bag-type dust collector by the slaked lime injector, a film coating layer is formed on the surface of the filter bag, and the bag-type dust collector is enabled to carry out tar absorption treatment on waste gas conveyed by the waste gas conveying pipeline.
The additional filtering device comprises:
and the dry filter is communicated with the bag-type dust remover, and the dry filter is used for filtering the waste gas treated by the bag-type dust remover.
The conveying power device comprises:
and the conveying induced draft fan is communicated with the dry filter, and the conveying induced draft fan drives the waste gas conveyed by the waste gas collecting pipeline to move along the bag-type dust collector and the dry filter.
The exhaust gas combustion apparatus includes:
and the heat accumulating type thermal oxidizer is communicated with the conveying induced draft fan, and the heat accumulating type thermal oxidizer is used for carrying out combustion treatment on the waste gas output by the conveying induced draft fan.
The tip discharge device includes:
and the emission chimney is communicated with the heat accumulating type thermal oxidizer, and standard-reaching gas formed after combustion treatment of the heat accumulating type thermal oxidizer is discharged through the emission chimney.
A flame arrester is arranged between the heat accumulating type thermal oxidizer and the conveying induced draft fan.
The utility model has the advantages that:
(1) the bag-type dust remover arranged in the treatment system can remove dust particles, can effectively adsorb and remove tar by combining with a slaked lime film, prevents the situation that the filter bag and subsequent filter materials are blocked by the tar, and avoids the situation that the treatment efficiency of each module of the system is reduced and even paralyzed;
(2) the primary pretreatment structure of the treatment system adopts a slaked lime ejector combined with a bag-type dust collector, and removes large particles while removing tar; the secondary pretreatment structure adopts a multi-stage dry filter, so that micro particles can be effectively removed, and the concentration of particulate matters in the waste gas entering the heat storage combustion device is ensured to be far lower than 5mg/m 3 The particles are prevented from blocking a heat accumulator in the RTO to influence the heat accumulation effect;
(3) the treatment system adopts RTO for incineration treatment, the treatment efficiency is more than 98%, the removal efficiency of organic matters is higher, the ideal treatment effect can be achieved aiming at waste gas at a banburying discharge outlet, and the emission index is ensured to reach the standard;
(4) the system has high automation degree and low cleaning and maintenance cost, and does not need to regularly clean tar in the system;
(5) the system is convenient to use, the filter bag does not need to be replaced frequently, and only low-cost slaked lime needs to be consumed.
Drawings
FIG. 1 is a schematic structural diagram of a rubber banburying waste gas flue gas slaked lime pretreatment and RTO incineration treatment system provided by the utility model.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in figure 1, the utility model provides a rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system includes rapping filter dust collector, oil absorption powder applying device, additional filter, carry power device, waste gas burner and end discharge device, rapping filter dust collector and waste gas pipeline intercommunication, the waste gas of waste gas pipeline transport is carried out the dust removal processing by rapping filter dust collector, oil absorption powder applying device cooperates with rapping dust collector, apply oil absorption powder to rapping dust collector by oil absorption powder tectorial membrane device, make rapping filter dust collector carry out tar absorption processing to the waste gas of waste gas pipeline transport, additional filter communicates with rapping filter dust collector, the waste gas after rapping filter dust collector handles is carried out the filtration processing by additional filter, carry power device and additional filter intercommunication, the waste gas that is carried by the drive waste gas collecting pipeline of conveying power device is along shaking and beating filter dust collector and additional filter equipment removal, and waste gas burner communicates with conveying power device, is carried out combustion treatment by waste gas burner to the waste gas after additional filter equipment handles, and end discharging equipment communicates with waste gas burner, and the gas up to standard who forms through waste gas burner combustion treatment discharges through end discharging equipment. In this embodiment, the rapping filtering dust-removing device comprises a bag-type dust collector 100, the bag-type dust collector is communicated with a waste gas collecting pipeline, and the bag-type dust collector is used for removing dust from waste gas conveyed by a waste gas conveying pipeline. The oil absorption powder applying device comprises a slaked lime injector 200, the slaked lime injector is matched with the bag-type dust collector, slaked lime is injected to the surface of the filter bag of the bag-type dust collector through the slaked lime injector, a film coating layer is formed on the surface of the filter bag, and the bag-type dust collector is enabled to absorb tar in waste gas conveyed by the waste gas conveying pipeline. The additional filtering device comprises a dry filter 300 which is communicated with the bag-type dust remover, and the dry filter is used for filtering the waste gas treated by the bag-type dust remover. The power transmission device comprises a transmission draught fan 400 which is communicated with the dry filter, and the transmission draught fan drives the waste gas transmitted by the waste gas collecting pipeline to move along the bag-type dust remover and the dry filter. The waste gas combustion device comprises a heat accumulating type thermal oxidizer 500 which is communicated with a conveying induced draft fan, and the heat accumulating type thermal oxidizer is used for carrying out combustion treatment on waste gas output by the conveying induced draft fan. The tail end discharging device comprises a discharging chimney 600 which is communicated with the heat accumulating type thermal oxidizer, and standard gas formed after combustion treatment of the heat accumulating type thermal oxidizer is discharged through the discharging chimney. A flame arrester 510 is arranged between the heat accumulating type thermal oxidizer and the conveying induced draft fan.
The lime hydrate pretreatment principle: the primary dust removing structure is formed by combining a slaked lime ejector with a bag-type dust remover, the bag-type dust remover equipment comprises an ash bucket, an upper box body, a middle box body, a lower box body and the like, and the upper box body, the middle box body and the lower box body are of a chamber-divided structure. When the dust-containing air cleaner works, dust-containing gas enters the dust hopper from the air inlet duct, coarse dust particles directly fall into the bottom of the dust hopper, fine dust particles turn along with air flow and upwards enter the middle box body and the lower box body, dust is deposited on the outer surface of the filter bag, and the filtered gas enters the upper box body through the filter bag and is discharged to the exhaust duct; the ash cleaning process comprises cutting off the clean air outlet air channel of the chamber to make the cloth bag in a state of no air flow (stopping air and ash cleaning in different chambers), then opening the pulse valve to perform pulse blowing ash cleaning with compressed air, and closing the cut-off valveThe closing time is enough to ensure that the dust stripped from the filter bag after being sprayed is settled to the dust hopper, so that the phenomenon that the dust is attached to the surface of an adjacent filter bag along with the airflow after being separated from the surface of the filter bag is avoided, and the filter bag can thoroughly clean the dust. The slaked lime injection device injects slaked lime powder to the inlet of the pulse dust collector, and slaked lime is uniformly coated on the surface of the filter bag to form a layer of coating film which is combined with tar in the waste gas to achieve the purpose of removing oil. The secondary dust removal structure is a dry filter of G4+ active carbon + F9, and the filter with different filtering precision grades filters particles with corresponding particle sizes to ensure that the concentration of the particles in the waste gas entering the heat storage combustion device is far lower than 5mg/m 3 And the front and the back of each stage of filter are provided with an online differential pressure gauge, so that when the differential pressure is overloaded, personnel are reminded to replace the filter material, and the normal, safe and stable operation of the waste gas treatment system is ensured.
RTO incineration treatment principle: the organic waste gas enters a first regenerative chamber through a draught fan to absorb heat, and after being heated, the organic waste gas enters an incineration chamber to be further heated, so that the organic waste gas is continuously heated until organic components are thoroughly decomposed into CO 2 And H 2 And O. The waste gas utilizes the heat recovered by the heat accumulator in the temperature rising process, so the fuel consumption is less. The waste gas is treated and then leaves the combustion chamber, enters the second regenerator to release heat and then is discharged, and the heat accumulator of the second regenerator absorbs heat and then is used for heating the newly input low-temperature waste gas in the next cycle. At the same time, the partially purified gas is introduced to purge the third regenerator for the next heat exchange cycle. After the whole process is finished, the air inlet valve and the air outlet valve are switched, air enters from the second heat storage chamber, is discharged from the third heat storage chamber, and is swept by the first heat storage chamber; and the next cycle is switched to enter from the third regenerative chamber, the first regenerative chamber is discharged, the second regenerative chamber is purged, and the operation is switched alternately and continuously.
The treatment system firstly sets 'slaked lime injection + bag-type dust remover' to carry out primary dust removal aiming at the characteristics that rubber banburying waste gas contains more oil and particulate matters, removes oil while removing dust, and effectively removes carbon black, tar and the like in the production process; secondly, a dry filter of G4+ active carbon + F9' is arranged for secondary dust removal to remove tiny particles in the systemEnsuring that the concentration of the particulate matters in the waste gas entering the heat storage combustion device is far lower than 5mg/m 3 The heat storage body is prevented from being blocked, and the heat storage effect is prevented from being influenced; after the small-air-volume high-concentration charging and discharging port waste gas subjected to two-stage dust removal treatment passes through a flame arrester under the action of a fan and then enters into an RTO (regenerative thermal oxidizer), the retention time of organic matters in the waste gas is maintained for more than 0.75s at the temperature of more than 760 ℃ in a combustion chamber, high-temperature oxidative decomposition is carried out, and CO is finally generated 2 And H 2 And O is discharged after reaching the standard.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the designated devices or elements must have a specific orientation, be configured and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Claims (8)
1. The utility model provides a rubber banburying waste gas flue gas lime hydrate preliminary treatment and RTO incineration disposal system which characterized in that includes:
the vibrating, filtering and dedusting device is communicated with the waste gas conveying pipeline, and the vibrating, filtering and dedusting device is used for removing dust from the waste gas conveyed by the waste gas conveying pipeline;
the oil absorption powder applying device is matched with the rapping dust removal device, and the oil absorption powder is applied to the rapping dust removal device by the oil absorption powder laminating device, so that the rapping filtering dust removal device can absorb tar in the waste gas conveyed by the waste gas conveying pipeline;
the additional filtering device is communicated with the vibration and filtration dust removal device, and the additional filtering device is used for filtering the waste gas treated by the vibration and filtration dust removal device;
the conveying power device is communicated with the additional filtering device, and the conveying power device drives the waste gas conveyed by the waste gas collecting pipeline to move along the vibrating, filtering and dedusting device and the additional filtering device;
the waste gas combustion device is communicated with the conveying power device and is used for carrying out combustion treatment on the waste gas treated by the additional filtering device;
and the tail end discharge device is communicated with the waste gas combustion device, and standard-reaching gas formed by combustion treatment of the waste gas combustion device is discharged through the tail end discharge device.
2. The system for rubber mixing waste gas slaked lime pretreatment and RTO incineration treatment according to claim 1, wherein the rapping filtering dust removal device comprises:
the bag-type dust remover is communicated with the waste gas collecting pipeline, and the bag-type dust remover is used for removing dust from the waste gas conveyed by the waste gas conveying pipeline.
3. The system for pretreatment of slaked lime in rubber internal mixing exhaust gas and treatment of RTO incineration as claimed in claim 2, wherein the oil absorption powder applying device comprises:
the slaked lime injector is matched with the bag-type dust collector, slaked lime is injected to the surface of a filter bag of the bag-type dust collector by the slaked lime injector, a film coating layer is formed on the surface of the filter bag, and the bag-type dust collector is enabled to carry out tar absorption treatment on waste gas conveyed by the waste gas conveying pipeline.
4. The system for rubber mixing waste gas slaked lime pretreatment and RTO incineration treatment according to claim 3, wherein the additional filtering device comprises:
and the dry filter is communicated with the bag-type dust remover, and the dry filter is used for filtering the waste gas treated by the bag-type dust remover.
5. The system for rubber mixing waste gas slaked lime pretreatment and RTO incineration treatment according to claim 4, wherein the conveying power device comprises:
and the conveying induced draft fan is communicated with the dry filter, and the conveying induced draft fan drives the waste gas conveyed by the waste gas collecting pipeline to move along the bag-type dust collector and the dry filter.
6. The system for rubber mixing waste gas slaked lime pretreatment and RTO incineration treatment according to claim 5, wherein the waste gas combustion device comprises:
and the heat accumulating type thermal oxidizer is communicated with the conveying induced draft fan, and the heat accumulating type thermal oxidizer is used for carrying out combustion treatment on the waste gas output by the conveying induced draft fan.
7. The system for rubber mixing waste gas slaked lime pretreatment and RTO incineration treatment according to claim 6, wherein the end discharge device comprises:
and the emission chimney is communicated with the heat accumulating type thermal oxidizer, and standard-reaching gas formed after combustion treatment of the heat accumulating type thermal oxidizer is discharged through the emission chimney.
8. The system for rubber banburying waste gas flue gas slaked lime pretreatment and RTO incineration treatment as claimed in claim 6, wherein:
a flame arrester is arranged between the heat accumulating type thermal oxidizer and the conveying induced draft fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439672.7U CN217092533U (en) | 2021-12-31 | 2021-12-31 | Rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123439672.7U CN217092533U (en) | 2021-12-31 | 2021-12-31 | Rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system |
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| Publication Number | Publication Date |
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| CN217092533U true CN217092533U (en) | 2022-08-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202123439672.7U Active CN217092533U (en) | 2021-12-31 | 2021-12-31 | Rubber banburying waste gas flue gas slaked lime preliminary treatment and RTO incineration disposal system |
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| CN (1) | CN217092533U (en) |
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