CN204176655U - For the device of exhaust-gas treatment and recycle and reuse - Google Patents
For the device of exhaust-gas treatment and recycle and reuse Download PDFInfo
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- CN204176655U CN204176655U CN201420323000.0U CN201420323000U CN204176655U CN 204176655 U CN204176655 U CN 204176655U CN 201420323000 U CN201420323000 U CN 201420323000U CN 204176655 U CN204176655 U CN 204176655U
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- pipeline
- waste gas
- thermal oxidation
- oxidation furnace
- exhaust
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Abstract
The utility model discloses a kind of device for exhaust-gas treatment and recycle and reuse, comprise thermal oxidation furnace, thermal oxidation furnace is respectively by the first pipeline, second pipe access exhaust gas entrance and waste gas outlet, the first pipeline that thermal oxidation furnace is connected with exhaust gas entrance is also provided with heat economizer, and heat economizer is connected with thermal oxidation furnace; Also comprise absorbent charcoal adsorber in device, absorbent charcoal adsorber and thermal oxidation furnace are mutually arranged side by side, and absorbent charcoal adsorber is respectively by the 3rd pipeline, the 4th pipeline access exhaust gas entrance and waste gas outlet.The waste gas after thermal oxidation furnace combustion oxidation is made directly to enter the waste gas of auxiliary pre-hot standby process in heat economizer by recovery channel, and when thermal oxidation furnace breaks down, by the harmful substance in the direct filtering exhaust of absorbent charcoal adsorber, and then do not affect the normal operation of device, by the waste-heat recovery device that waste gas outlet front end is arranged, the heat recovery of waste gas after combustion oxidation can be used to do him.
Description
Technical field
The utility model relates to a kind of waste gas, especially volatile organic compound treatment apparatus, and in particular, the utility model relates generally to a kind of device for exhaust-gas treatment and recycle and reuse.
Background technology
At present, english abbreviation for VOCs(VOC volatileorganiccompounds) process mainly adopt thermal oxidation furnace, by the harmful substance in the mode stripping gas of burning, and then minimizing environmental pollution, but break down once thermal oxidation furnace, just cannot continue to process organic exhaust gas, and in addition, in use also find that there are the following problems: one is that waste heat does not reclaim, heat waste is caused in waste gas treatment process, two is that the heat storage of heat accumulating type oxidation furnace is too huge, safeguard inconvenience, the frequent easily fault of switch valve Multi-Switch.Thus be necessary do further research for the treating apparatus of VOCs waste gas and improve.。
Utility model content
One of the purpose of this utility model is to solve above-mentioned deficiency, a kind of device for exhaust-gas treatment and recycle and reuse is provided, waste heat recovery is not carried out to expect to solve VOCs treatment in prior art, amount of heat is caused to waste, and when the thermal oxidation furnace timer that breaks down cannot continue the technical problems such as use.
For solving above-mentioned technical problem, the utility model by the following technical solutions:
A kind of device for exhaust-gas treatment and recycle and reuse provided by the utility model, comprise thermal oxidation furnace, described thermal oxidation furnace is respectively by the first pipeline, second pipe access exhaust gas entrance and waste gas outlet, the first pipeline that described thermal oxidation furnace is connected with exhaust gas entrance is also provided with heat economizer, described heat economizer is connected with thermal oxidation furnace, for first entering preheating in heat economizer by waste gas by the first pipeline, enter combustion oxidation in thermal oxidation furnace again, discharged by waste gas outlet finally by second pipe; Also absorbent charcoal adsorber is comprised in described device, described absorbent charcoal adsorber and thermal oxidation furnace are mutually arranged side by side, and absorbent charcoal adsorber is respectively by the 3rd pipeline, the 4th pipeline access exhaust gas entrance and waste gas outlet, for entering after absorbent charcoal adsorber filters by waste gas by the 3rd pipeline, then discharged by waste gas outlet by the 4th pipeline; Described first pipeline, second pipe, the 3rd pipeline and the 4th pipeline are all provided with shut-off valve.
As preferably, further technical scheme is: described second pipe is also provided with waste-heat recovery device, for making the waste gas after via thermal oxidation furnace combustion oxidation by being discharged by waste gas outlet after waste-heat recovery device heat exchange.
Further technical scheme is: described waste-heat recovery device is waste heat boiler or air preheater.
Further technical scheme is: described second pipe is also by the 5th pipeline access heat economizer, described heat economizer also directly accesses waste gas outlet by the 6th pipeline, described 5th pipeline and the 6th pipeline are equipped with shut-off valve, for making its preheating that heats up by transferring to heat economizer via the waste gas after thermal oxidation furnace combustion oxidation, then discharged by waste gas outlet through the 6th pipeline.
Further technical scheme is: described 5th pipeline also accesses absorbent charcoal adsorber simultaneously, for making absorbent charcoal adsorber carry out desorption by the waste gas after combustion oxidation.
Further technical scheme is: described waste gas outlet is chimney, and the pipeline of described exhaust gas entrance is provided with exhaust gas fan.
Further technical scheme is: the inside of described thermal oxidation furnace is provided with combustion chamber, the inwall of described combustion chamber is provided with combustor, described combustor also accesses combustion air fan and fuels sources respectively, for by fuels sources transfer the fuel to combustor, by combustor, fuel is burnt at combustion chamber, carried in air to combustion chamber by combustion air fan simultaneously and support burning.
Compared with prior art, one of the beneficial effects of the utility model are: make the waste gas after thermal oxidation furnace combustion oxidation directly enter the waste gas of auxiliary pre-hot standby process in heat economizer by recovery channel, effectively simplify the structure of heat economizer and the thermal source needed for preheating, and when thermal oxidation furnace breaks down, by the harmful substance in the direct filtering exhaust of absorbent charcoal adsorber, and then do not affect the normal operation of device, by the waste-heat recovery device that waste gas outlet front end is arranged, the heat recovery of waste gas after combustion oxidation can be used to do him, the apparatus structure of a kind of exhaust-gas treatment provided by the utility model and recycle and reuse is simple simultaneously, pre-heated thermal oxidation furnace can continue to use in case of a fault, the waste heat produced can save the energy, package unit production efficiency is improved greatly, more practical, and range of application is wide.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram for illustration of the utility model embodiment;
In figure, 1 be second pipe for thermal oxidation furnace, 2 is the first pipeline, 3,4 be exhaust gas entrance, 5 be waste gas outlet, 6 be heat economizer, 7 be shut-off valve, 11 be exhaust gas fan for waste-heat recovery device, 12 be the 5th pipeline, 13 is the 6th pipeline, 14,15 be combustor, 16 be combustion air fan, 17 be fuels sources for absorbent charcoal adsorber, 8 to be the 3rd pipeline, 9 be the 4th pipeline, 10.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further elaborated.
Shown in figure 1, an embodiment of the present utility model is a kind of device for exhaust-gas treatment and recycle and reuse, comprise thermal oxidation furnace 1, this thermal oxidation furnace 1 accesses exhaust gas entrance 4 and waste gas outlet 5 respectively by the first pipeline 2, second pipe 3, the first pipeline 2 that described thermal oxidation furnace 1 is connected with exhaust gas entrance 4 is also provided with heat economizer 6, and described heat economizer 6 is connected with thermal oxidation furnace 1; State in device and also comprise absorbent charcoal adsorber 7, described absorbent charcoal adsorber 7 and thermal oxidation furnace 1 are mutually arranged side by side, and absorbent charcoal adsorber 7 accesses exhaust gas entrance 4 and waste gas outlet 5 respectively by the 3rd pipeline 8, the 4th pipeline 9; Simultaneously above-mentioned the first pipeline 2, second pipe 3, the 3rd pipeline 8 and the 4th pipeline 9 are all provided with shut-off valve 10.This shut-off valve 10 can adopt hand-operated valve, pneumatic operated valve or magnetic valve, and its effect is the concrete flow direction of adjustment waste gas multiple-way duct inside in a device, thus makes device realize different functions.
In the present embodiment, the device course of work roughly for first to enter preheating in heat economizer 6 by waste gas by the first pipeline 2, then enters combustion oxidation in thermal oxidation furnace 1, is discharged by waste gas outlet 5 finally by second pipe 3; Simultaneously, when the thermal oxidation furnace 1 in device breaks down, by exhaust-gas treatment can be participated in by the absorbent charcoal adsorber 7 arranged side by side with it, be specially and enter after absorbent charcoal adsorber 7 filters by waste gas by the 3rd pipeline 8, then discharged by waste gas outlet 5 by the 4th pipeline 9.
On the other hand, absorbent charcoal adsorber 7 also by pipeline and thermal oxidation furnace 1, when thermal oxidation furnace 1 feed break down time, the waste gas after filtration can enter combustion oxidation process in thermal oxidation furnace 1 again, and this pipeline still needs arrange shut-off valve 10.
Shown in Fig. 1, in another embodiment of the present utility model, waste for avoiding the waste-gas heat after the process of thermal oxidation furnace 1 combustion oxidation, preferably on second pipe 3, set up waste-heat recovery device 11, for making the waste gas after via thermal oxidation furnace 1 combustion oxidation by being discharged by waste gas outlet 5 after waste-heat recovery device 11 heat exchange.Waste-heat recovery device 11 can adopt waste heat boiler or air preheater, and generation water vapour or high temperature air are to be used as him.
Still with reference to shown in figure 1, be used in an embodiment being more preferably of technical solution problem at the utility model: inventor also to the preheating of above-mentioned heat economizer 6 away from improving, directly utilize the waste gas after thermal oxidation furnace 1 combustion oxidation as thermal source, effectively reduce the consumption of device to fuel, improve the utilization rate of waste-gas heat.Be specially and second pipe 3 is accessed heat economizer 6 by the 5th pipeline 12 again, heat economizer 6 then directly accesses waste gas outlet 5 by the 6th pipeline 13, and, 5th pipeline 12 and the 6th pipeline 13 are equipped with shut-off valve 10, for making its preheating that heats up by transferring to heat economizer 6 via the waste gas after thermal oxidation furnace 1 combustion oxidation, then discharged by waste gas outlet 5 through the 6th pipeline 13.
Further, go out as shown in Figure 1, another branch of the 5th above-mentioned pipeline 12 also accesses absorbent charcoal adsorber 7 simultaneously, for being made absorbent charcoal adsorber 7 carry out desorption by the waste gas after combustion oxidation, makes the filter core in absorbent charcoal adsorber 7 can Reusability.
Considering the application places of the utility model device, directly using the chimney of application places as above-mentioned waste gas outlet 5, simultaneously for increasing the flow velocity of waste gas in installing pipes, also on the pipeline of above-mentioned exhaust gas entrance 4, exhaust gas fan 14 can be installed.For the internal structure of above-mentioned thermal oxidation furnace 1, similar with prior art, its inside should be provided with combustion chamber, and on the inwall of combustion chamber install combustion machine 15, this combustor 15 also accesses combustion air fan 16 and fuels sources 17 respectively, for by fuels sources 17 transfer the fuel to combustor 15, by combustor 15, fuel is burnt at combustion chamber, is carried in air to combustion chamber by combustion air fan 16 simultaneously and support burning.
Shown in figure 1, in the above-mentioned preferred embodiment of the utility model, all kinds of courses of work for the device of exhaust-gas treatment and recycle and reuse are as follows:
Heat economizer 6 is entered under scheme one, the waste gas fan action on exhaust gas entrance 4 pipeline, by heat economizer 6, waste gas is heated to 350 ~ 550 DEG C by ~ 20 DEG C, then enter in thermal oxidation furnace 1 and carry out heat absorption oxidation-heat release-decomposition, then enter waste-heat recovery device 11 and carry out heat exchange, discharge finally by chimney.
Heat economizer 6 is entered under scheme two, the waste gas fan action on exhaust gas entrance 4 pipeline, by heat economizer 6, waste gas is heated to 350 ~ 550 DEG C by ~ 20 DEG C, then enter in thermal oxidation furnace 1 and carry out heat absorption oxidation-heat release-decomposition, then heat economizer 6 is entered by the 5th pipeline, enter the combustion chamber of thermal oxidation furnace 1 again, oxidation processes, iterative cycles, finally enter waste-heat recovery device 11 and carry out heat exchange, discharge finally by chimney.
Scheme three, when working continuously, heat economizer 6 is entered under the fan action of waste gas on exhaust gas entrance 4 pipeline, by heat economizer 6, waste gas is heated to 350 ~ 550 DEG C by ~ 20 DEG C, then enter in thermal oxidation furnace 1 and carry out heat absorption oxidation-heat release-decomposition, then heat economizer 6 is entered by the 5th pipeline, utilize the remaining temperature of waste gas that heat economizer 6 is heated up, in order to the follow-up waste gas entering thermal oxidation furnace 1 and be oxidized of preheating.
Scheme four, break down when thermal oxidation furnace 1, the shut-off valve that adjustment is corresponding, make waste gas directly enter absorbent charcoal adsorber 7 and filter, the waste gas after filtration is discharged by chimney.
Heat economizer 6 is entered under scheme five, the waste gas fan action on exhaust gas entrance 4 pipeline, by heat economizer 6, waste gas is heated to 350 ~ 550 DEG C by ~ 20 DEG C, then enter in thermal oxidation furnace 1 and carry out heat absorption oxidation-heat release-decomposition, then entered in absorbent charcoal adsorber 7 by the 5th pipeline, utilize the high temperature of gas to make the filter core desorption of absorbent charcoal adsorber 7.
For helping those skilled in the art to understand the technical solution of the utility model, below again in conjunction with above-mentioned kinds of schemes, explanation is specifically done to the utility model:
Volatile organic matter matter is referred to for VOC(that is poisonous, harmful, that must not reclaim), thermal oxidation method is one processing method more thoroughly.Its general principle is VOC and O
2there is oxidation reaction, generate CO
2and H
20, chemical equation is as follows:
aCxHyOz+bO
2→cCO
2+dH
2O
This kinds of oxidation reaction is the spitting image of combustion process chemically, and the concentration only due to VOC is too low, so can not produce visible flame in reaction.Burner (Thermal Oxidizer) adds heat exchanger in thermal oxidation apparatus, preheating VOC waste gas, then carry out oxidation reaction.
Because thermal oxidation furnace (preheating+direct-fired) device comprises one group of heat recovering heat exchanger, so only consume little fuel in processing procedure (when exhaust gas concentration is greater than 450ppm, except startup, do not need to use auxiliary fuel), if the higher process of can also directly burning of exhaust gas concentration.
Thermal oxidation furnace (preheating+direct-fired) main equipment is formed primarily of combustion chamber (reative cell), collection chamber, heat exchanger, absorbent charcoal adsorber and switch valve.Thermal oxidation furnace (preheating+direct-fired) equipment first will to combustion chamber preheating before normal work, in order to ensure the transformation efficiency of VOC in tail gas, usual preheat temperature is minimum can not lower than the self-ignition point of combustible, but in order to improve transformation efficiency, abundant guarantee combustible is fully oxidized, when avoiding owing to throwing line, the chamber temperature that causes of airflow fluctuation is too low simultaneously, burner regnition phenomenon.Therefore general combustion chamber requires to be preheating to more than 800 DEG C.
A: add one group of absorbent charcoal adsorber between exhaust pipe and thermal oxidation furnace (preheating+direct-fired) body and also and between chimney in line pipeline is set, once equipment breaks down, repair and maintenance, waste gas directly enters chimney after absorbent charcoal adsorber absorption, does not affect the normal production of owner.When thermal oxidation furnace (preheating+direct-fired) oxidation bed is heated to normal production run temperature, waste gas no longer changes another road exhaust pipe into through absorbent charcoal adsorber (being controlled by bypass operated pneumatic valve) and enters thermal oxidation furnace (preheating+direct-fired) body and carry out oxidation Decomposition.Volatilized by a preheated high temperature air 150-500 ° heating until (detected by VOC gas detecting instrument real-time online) when charcoal absorption is saturated, organic exhaust gas after volatilization enters thermal oxidation furnace (preheating+direct-fired) and carries out oxidation processes (active carbon volatilizes organic gas after heating, active carbon and reusable);
B: the exhaust piping of device front end is installed VOC detector real time on-line monitoring, as VOC concentration exceedes setting value, will open automatic Air Adjusting valve (enter fresh air and reduce exhaust gas concentration); Explosion-protection equipment is installed in combustion chamber;
C: the High Temperature Gas that combustion chamber produces draws oxidation furnace via smoke evacuation pipeline.High-temperature flue gas (600-800 DEG C) is by high-temperature air preheater or waste heat boiler, and high-temperature flue gas enters smoke stack emission after heat exchange cooling.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also drop in scope of the present utility model to realize this feature, structure or feature in conjunction with other embodiments.
Although be described the utility model with reference to multiple explanatory embodiment of the present utility model here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and embodiment, these amendments and embodiment will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.
Claims (7)
1. the device for exhaust-gas treatment and recycle and reuse, comprise thermal oxidation furnace (1), described thermal oxidation furnace (1) is respectively by the first pipeline (2), second pipe (3) access exhaust gas entrance (4) and waste gas outlet (5), it is characterized in that: the first pipeline (2) that described thermal oxidation furnace (1) is connected with exhaust gas entrance (4) is also provided with heat economizer (6), described heat economizer (6) is connected with thermal oxidation furnace (1), for first entering preheating in heat economizer (6) by waste gas by the first pipeline (2), enter burning in thermal oxidation furnace (1) again, discharged by waste gas outlet (5) finally by second pipe (3), absorbent charcoal adsorber (7) is also comprised in described device, described absorbent charcoal adsorber (7) is mutually arranged side by side with thermal oxidation furnace (1), and absorbent charcoal adsorber (7) is respectively by the 3rd pipeline (8), the 4th pipeline (9) access exhaust gas entrance (4) and waste gas outlet (5), for entering after absorbent charcoal adsorber (7) filters by waste gas by the 3rd pipeline (8), then discharged by waste gas outlet (5) by the 4th pipeline (9), described first pipeline (2), second pipe (3), the 3rd pipeline (8) and the 4th pipeline (9) are all provided with shut-off valve (10).
2. the device of exhaust-gas treatment according to claim 1 and recycle and reuse, it is characterized in that: described second pipe (3) is also provided with waste-heat recovery device (11), being discharged by waste gas outlet (5) by after waste-heat recovery device (11) heat exchange for making the waste gas after via thermal oxidation furnace (1) burning.
3. the device of exhaust-gas treatment according to claim 2 and recycle and reuse, is characterized in that: described waste-heat recovery device (11) is waste heat boiler or air preheater.
4. the device of exhaust-gas treatment according to claim 1 and 2 and recycle and reuse, it is characterized in that: described second pipe (3) is also by the 5th pipeline (12) access heat economizer (6), described heat economizer (6) also directly accesses waste gas outlet (5) by the 6th pipeline (13), described 5th pipeline (12) and the 6th pipeline (13) are equipped with shut-off valve (10), for making its preheating that heats up by transferring to heat economizer (6) via the waste gas after thermal oxidation furnace (1) burning, then discharged by waste gas outlet (5) through the 6th pipeline (13).
5. the device of exhaust-gas treatment according to claim 4 and recycle and reuse, it is characterized in that: described 5th pipeline (12) also accesses absorbent charcoal adsorber (7) simultaneously, for making absorbent charcoal adsorber (7) carry out desorption by the waste gas after burning.
6. the device of exhaust-gas treatment according to claim 1 and recycle and reuse, is characterized in that: described waste gas outlet (5) is chimney, the pipeline of described exhaust gas entrance (4) is provided with exhaust gas fan (14).
7. the device of exhaust-gas treatment according to claim 1 and recycle and reuse, it is characterized in that: the inside of described thermal oxidation furnace (1) is provided with combustion chamber, the inwall of described combustion chamber is provided with combustor (15), described combustor (15) also accesses combustion air fan (16) and fuels sources (17) respectively, for by fuels sources (17) transfer the fuel to combustor (15), by combustor (15), fuel is burnt at combustion chamber, carried in air to combustion chamber by combustion air fan (16) simultaneously and support burning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323000.0U CN204176655U (en) | 2014-06-18 | 2014-06-18 | For the device of exhaust-gas treatment and recycle and reuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420323000.0U CN204176655U (en) | 2014-06-18 | 2014-06-18 | For the device of exhaust-gas treatment and recycle and reuse |
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| Publication Number | Publication Date |
|---|---|
| CN204176655U true CN204176655U (en) | 2015-02-25 |
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|---|---|---|---|
| CN201420323000.0U Expired - Fee Related CN204176655U (en) | 2014-06-18 | 2014-06-18 | For the device of exhaust-gas treatment and recycle and reuse |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033912A (en) * | 2014-06-18 | 2014-09-10 | 南京兰迪环保科技有限公司 | Device used for waste gas treatment and recycling |
| CN107906540A (en) * | 2017-10-27 | 2018-04-13 | 王志斌 | A kind of Novel incineration furnace |
-
2014
- 2014-06-18 CN CN201420323000.0U patent/CN204176655U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104033912A (en) * | 2014-06-18 | 2014-09-10 | 南京兰迪环保科技有限公司 | Device used for waste gas treatment and recycling |
| CN107906540A (en) * | 2017-10-27 | 2018-04-13 | 王志斌 | A kind of Novel incineration furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NI XIUWEN Free format text: FORMER OWNER: NANJING LANDI ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20150731 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150731 Address after: 210000 dam No. 305, Pukou District, Jiangsu, Nanjing Patentee after: Ni Xiuwen Address before: 210000 No. 1 Wu Bai village, Gulou District, Jiangsu, Nanjing Patentee before: Nanjing Lan Di Environmental Protection Technology Co., Ltd |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150225 Termination date: 20150618 |
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| EXPY | Termination of patent right or utility model |