CN203068534U - Intake and exhaust buffering and return-flow system of energy storage type organic waste gas oxidation furnace - Google Patents
Intake and exhaust buffering and return-flow system of energy storage type organic waste gas oxidation furnace Download PDFInfo
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- CN203068534U CN203068534U CN 201320039138 CN201320039138U CN203068534U CN 203068534 U CN203068534 U CN 203068534U CN 201320039138 CN201320039138 CN 201320039138 CN 201320039138 U CN201320039138 U CN 201320039138U CN 203068534 U CN203068534 U CN 203068534U
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Abstract
The utility model discloses an intake and exhaust buffering and return-flow system of an energy storage type organic waste gas oxidation furnace. The system comprises a gas collection tank, an intake manifold, a fan, an intake pipe segment, a switch valve, a two-barrel type combustion chamber, a combustion chamber bottom pipe segment, an exhaust manifold and a chimney, wherein the gas collection tank, the intake manifold, the fan, the intake pipe segment and the switch valve are connected sequentially; the switch valve is connected with the two-barrel type combustion chamber/the chimney through the combustion chamber bottom pipe segment/the exhaust manifold; in addition, the system further comprises a buffer tank, a connection pipe and a first return-flow pipe; the buffer tank is connected with the exhaust manifold through the connection pipe and a valve; the connection pipe is connected to an inlet in the fan on the intake manifold through the first return-flow pipe and a valve; and a valve is arranged at an outlet in the buffer tank on the intake manifold, and a valve is arranged on the exhaust manifold as well. According to the system, unburned waste gas can enter the combustion chamber for burning, so that the breaking efficiency of the waste gas is effectively improved, and the pollution to the environment is reduced.
Description
Technical field
The utility model relates to organic technical field of waste gas treatment, relates in particular to a kind of intake and exhaust buffering return-flow system of heat accumulating type organic exhaust gas oxidation furnace.
Background technology
At present both at home and abroad the processing method of organic exhaust gas mainly contains two kinds of absorption method and null methods.Absorption method be with special material such as active carbon as adsorbent, organic matter is adsorbed to recycle.Absorption method operating cost after investment is higher and can produce secondary pollution, the finite capacity of adsorbent and equipment is huge, and post processing engineering complexity such as adsorbent reactivation and solvent recovery, thereby limited its application.Null method is to utilize the incendive character of organic vapor phase contaminants, flammable organic vapor phase contaminants is used as fuel burns and realize eliminating.Null method be fit to be handled the organic vapor phase contaminants of high concentration, remove efficient and reach more than 95%, and the heat that produces of burning can be equipment such as boiler thermal source is provided.
The equipment that the prior art null method adopts mainly is RTO(Regenerative Thermal Oxidizer, the regenerative oxidation furnace), adopt two barrels of formulas or many barrels of formula designs usually, fill quantitative thermal storage ceramic in each staving.The burning of organic exhaust gas makes the VOC oxidation Decomposition in the waste gas become carbon dioxide and water, when the high-temperature gas that the VOC oxidation produces is flowed through thermal storage ceramic, ceramic body is heated up and " accumulation of heat ", this " accumulation of heat " is used for the follow-up organic exhaust gas that enters of preheating, its the highest heat exchanger effectiveness can reach 92%～96%, thereby saves the fuel consumption that waste gas heats up.The heat that burning simultaneously produces also can be used for the heating of boiler to be used to produce the steam supply equipment.
Compare with three barrels of formulas or many barrels of formula RTO, two barrels formula RTO is simple in structure, cost is low, volume is little, and it is also littler and be widely used to keep energy that furnace temperature needs.As shown in Figure 1, two barrels of formula RTO have two waste gas to flow to circulation process, flow process 1: waste gas is earlier from 1# chamber bottom inflow, preheating is burnt to top again through thermal storage ceramic, 1# chamber and top, 2# chamber are UNICOMs, and waste gas flows to 2# top from 1# top, and sustained combustion cracks, after passing through the thermal storage ceramic at 2# middle part again, be discharged to chimney and discharge from 2# chamber outlet at bottom.Flow process 2: the flow process that process is set was switched by valve after the time, and waste gas is from 2# chamber bottom inflow, from 1# chamber base bleed.So switch circulation and go down, make two barrel temperatures approach.But two barrels of formula RTO crack efficient not high (generally 95%～98%), its reason is: exist defective on the structural design, when the flow direction between two barrels is switched, at the pipeline section (as 1# chamber bottom inflow) of the previous flow direction as inducer, remaining the VOC that partly is untreated in the inside, the current flow process of this pipeline section after switching then becomes outlet section (being 1# chamber base bleed), and these unburned VOC will directly discharge, thereby cause environmental pollution.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of intake and exhaust buffering return-flow system of heat accumulating type organic exhaust gas oxidation furnace is provided, burn so that unburned waste gas reenters the combustion chamber, crack efficient thereby improve waste gas, reduce pollution on the environment.
The purpose of this utility model is achieved by the following technical programs:
The intake and exhaust of a kind of heat accumulating type organic exhaust gas oxidation furnace that the utility model provides buffering return-flow system comprises air collector, inlet manifold, blower fan, air inlet pipeline section, switch valve, two barrels of formula combustion chambers, bottom, combustion chamber pipeline section, the house steward that gives vent to anger, chimney; Described air collector, inlet manifold, blower fan, air inlet pipeline section, switch valve connect successively, and described switch valve is connected with two barrels of formula combustion chamber/chimneys respectively through bottom, the combustion chamber pipeline section/house steward that gives vent to anger; In addition, also comprise surge tank, tube connector, first return duct, described surge tank is connected by tube connector, valve and the house steward that gives vent to anger; Described tube connector is connected to the import department of inlet manifold's fan by first return duct, valve; Described inlet manifold goes up on the exit of air collector, the house steward that gives vent to anger and is respectively arranged with valve.
The utility model is when flowing to switching, in corresponding return time, close the valve on the house steward that gives vent to anger, open the valve on the tube connector, make the waste gas in the pipeline section of bottom, combustion chamber enter surge tank, and by entering the combustion chamber from the air inlet pipeline section after the extraction of first return duct and blower fan, thereby the direct discharging of bottom, combustion chamber unburned waste gas when having avoided switching.
Further, the position in the surge tank described in the utility model between its import and the evacuation port is provided with dividing plate, to increase the gas flow process, avoids the waste gas in the surge tank directly to overflow.
Further, tube connector described in the utility model is connected the house steward's that gives vent to anger middle part; The described house steward of giving vent to anger goes up the corner location place is connected with switch valve, is connected to the import department of inlet manifold's fan by second return duct and valve, locates the backflow of waste gas with the assurance dead angle.
Further, the valve on the valve on the tube connector described in the utility model and the house steward that gives vent to anger is magnetic valve, and is connected to program control system; Valve on described first return duct, second return duct and the inlet manifold is manually-operated gate.
The utlity model has following beneficial effect: make unburned waste gas reenter the combustion chamber and burn, effectively improve waste gas and cracked efficient (can be increased to 99.5%), avoid flowing to the direct discharging of waste gas when switching simultaneously, reduced pollution on the environment.
Description of drawings
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail:
Fig. 1 is the structural representation of prior art heat accumulating type organic exhaust gas oxidation furnace;
Fig. 2 is the structural representation of the utility model embodiment.
Among the figure: air collector 1, the inlet manifold 2, blower fan 3, air inlet pipeline section 4,5, two barrels of formula combustion chambers 6 of switch valve, bottom, combustion chamber pipeline section 7, the house steward 8 that gives vent to anger, chimney 9, surge tank 10, evacuation port 10a, dividing plate 10b, tube connector 11, first return duct, 12, the second return ducts 13, valve 14,15,16,17,18
The specific embodiment
Figure 2 shows that the intake and exhaust bufferings return-flow system of a kind of heat accumulating type organic exhaust gas of the utility model oxidation furnace, comprise air collector 1, inlet manifold 2, blower fan 3, air inlet pipeline section 4, switch valve 5, two barrels of formula combustion chambers 6, bottom, combustion chamber pipeline section 7, the house steward 8 that gives vent to anger, chimney 9, surge tank 10, tube connector 11, first return duct 12, second return duct 13.
As shown in Figure 2, air collector 1, inlet manifold 2, blower fan 3, air inlet pipeline section 4, switch valve 5 connect successively, and switch valve 5 is connected with two barrels of formula combustion chambers, 6/ chimney 9 respectively through combustion chamber bottom pipeline section 7/ house steward 8 that gives vent to anger.
The present embodiment course of work is as follows:
When present embodiment arranged blower fan 3 frequencies and is 40Hz, corresponding return time was 8 seconds, and a circular flow is 60 seconds to time set.Flow to state in the time at one, when at the 59th second, open the valve 15 that the valve on the tube connector 11 was closed on the house steward 8 that gives vent to anger in 14, the 60 seconds, switch valve 5 starts, and the unburned waste gas in bottom, the combustion chamber pipeline section 7 enters surge tank 10.Greater than combustion chamber 6 internal pressures, the waste gas of surge tank 10 ends is then extracted by blower fan 3 and enters the combustion chamber from air inlet pipeline section 4 through first return duct 12 and rekindles as blower fan 3 suction pressures; Greater than blower fan 3 suction pressures, extract waste gas by adjusting valve 17 on first return duct 12 and the aperture of the valve 16 on the inlet manifold 2 as combustion chamber 6 internal pressures, avoid waste gas to overflow surge tank 10.Waste gas for the place, dead angle can be back to air inlet pipeline section 4 by the adjusting of second return duct 13 and valve 18.Adjust by detecting in the practice, make blower fan 3 suction pressures suitable with combustion chamber 6 internal pressures.After return time finished in 8 seconds, close the valve 14 on the tube connector 11, open the valve 15 on the house steward 8 that gives vent to anger, get back to the normal flow direction state, and circulation according to this.
Claims (5)
1. the intake and exhaust of heat accumulating type organic exhaust gas oxidation furnace buffering return-flow system comprises air collector (1), inlet manifold (2), blower fan (3), air inlet pipeline section (4), switch valve (5), two barrels of formula combustion chambers (6), bottom, combustion chamber pipeline section (7), the house steward that gives vent to anger (8), chimney (9); Described air collector (1), inlet manifold (2), blower fan (3), air inlet pipeline section (4), switch valve (5) connect successively, and described switch valve (5) is connected with two barrels of formula combustion chambers (6)/chimney (9) respectively through bottom, combustion chamber pipeline section (7)/house steward that gives vent to anger (8); It is characterized in that: also comprise surge tank (10), tube connector (11), first return duct (12), described surge tank (10) is connected with the house steward that gives vent to anger (8) by tube connector (11), valve (14); Described tube connector (11) is connected to the import department of inlet manifold (2) fan (3) by first return duct (12), valve (17); Be respectively arranged with valve (16,15) on the exit of the last air collector (1) of described inlet manifold (2), the house steward that gives vent to anger (8).
2. the intake and exhaust of heat accumulating type organic exhaust gas oxidation furnace according to claim 1 cushion return-flow system, it is characterized in that: the position in the described surge tank (10) between its import and the evacuation port (10a) is provided with dividing plate (10b).
3. the intake and exhaust of heat accumulating type organic exhaust gas oxidation furnace according to claim 1 cushion return-flow system, and it is characterized in that: described tube connector (11) is connected the middle part of the house steward that gives vent to anger (8); The described house steward of giving vent to anger (8) goes up the corner location place that is connected with switch valve (5), is connected to the import department of inlet manifold (2) fan (3) by second return duct (13) and valve (18).
4. the intake and exhaust according to claim 1 or 2 or 3 described heat accumulating type organic exhaust gas oxidation furnaces cushion return-flow system, it is characterized in that: the valve (15) on the valve (14) on the described tube connector (11) and the house steward that gives vent to anger (8) is magnetic valve, and is connected to program control system.
5. the intake and exhaust of heat accumulating type organic exhaust gas oxidation furnace according to claim 3 cushion return-flow system, and it is characterized in that: the valve (17,18,16) on described first return duct (12), second return duct (13) and the inlet manifold (2) is manually-operated gate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039138 CN203068534U (en) | 2013-01-17 | 2013-01-17 | Intake and exhaust buffering and return-flow system of energy storage type organic waste gas oxidation furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320039138 CN203068534U (en) | 2013-01-17 | 2013-01-17 | Intake and exhaust buffering and return-flow system of energy storage type organic waste gas oxidation furnace |
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| Publication Number | Publication Date |
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| CN203068534U true CN203068534U (en) | 2013-07-17 |
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| CN 201320039138 Expired - Fee Related CN203068534U (en) | 2013-01-17 | 2013-01-17 | Intake and exhaust buffering and return-flow system of energy storage type organic waste gas oxidation furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597249A (en) * | 2016-03-15 | 2016-05-25 | 江苏同庆安全科技有限公司 | Waste gas treatment device and process with safety diffusion function |
| CN106594766A (en) * | 2017-01-20 | 2017-04-26 | 山西亚乐士环保技术股份有限公司 | 2.5 room RTO heat-accumulating type oxidizing system for Vocs treatment |
| CN107366922A (en) * | 2017-09-04 | 2017-11-21 | 徐州科融环境资源股份有限公司 | The humidity control system and its regulation technique of a kind of RTO oxidation furnaces |
| CN112082165A (en) * | 2019-06-14 | 2020-12-15 | 上海恒奕环境科技有限公司 | Organic waste gas collecting and back-purging system and back-purging treatment method thereof |
| CN113617149A (en) * | 2021-08-09 | 2021-11-09 | 安徽燃博智能科技有限公司 | VOC (volatile organic compound) waste gas treatment device for environment-friendly equipment |
-
2013
- 2013-01-17 CN CN 201320039138 patent/CN203068534U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105597249A (en) * | 2016-03-15 | 2016-05-25 | 江苏同庆安全科技有限公司 | Waste gas treatment device and process with safety diffusion function |
| CN106594766A (en) * | 2017-01-20 | 2017-04-26 | 山西亚乐士环保技术股份有限公司 | 2.5 room RTO heat-accumulating type oxidizing system for Vocs treatment |
| CN107366922A (en) * | 2017-09-04 | 2017-11-21 | 徐州科融环境资源股份有限公司 | The humidity control system and its regulation technique of a kind of RTO oxidation furnaces |
| CN112082165A (en) * | 2019-06-14 | 2020-12-15 | 上海恒奕环境科技有限公司 | Organic waste gas collecting and back-purging system and back-purging treatment method thereof |
| CN112082165B (en) * | 2019-06-14 | 2024-06-11 | 上海恒奕环境科技有限公司 | Organic waste gas collection reverse purging system and reverse purging treatment method thereof |
| CN113617149A (en) * | 2021-08-09 | 2021-11-09 | 安徽燃博智能科技有限公司 | VOC (volatile organic compound) waste gas treatment device for environment-friendly equipment |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130717 Termination date: 20220117 |