CN210568483U - Organic waste gas collecting and reverse purging system - Google Patents
Organic waste gas collecting and reverse purging system Download PDFInfo
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- CN210568483U CN210568483U CN201920895688.2U CN201920895688U CN210568483U CN 210568483 U CN210568483 U CN 210568483U CN 201920895688 U CN201920895688 U CN 201920895688U CN 210568483 U CN210568483 U CN 210568483U
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Abstract
The utility model discloses an organic waste gas collecting and back-flushing system, which comprises a regenerator incinerator, a first poppet valve, a second poppet valve, a third poppet valve, a first draught fan, a gas collecting tank and a chimney; the inside of the regenerator incinerator is sequentially provided with a first regenerator, a combustion chamber and a second regenerator; a first poppet valve in communication with the first regenerator; a second poppet valve in communication with the second regenerator; a third poppet valve is in communication with the first and second poppet valves, respectively; the first induced draft fan is respectively communicated with the first poppet valve and the second poppet valve; the gas collecting tank is communicated with the third poppet valve and the second poppet valve respectively; a chimney is in communication with the third poppet valve. The process the utility model discloses organic waste gas after the system treatment can stabilize discharge to reach standard, does not exist because of the instantaneous peak value that the poppet valve switching produced exceeds standard, satisfies more strict environmental protection requirement, and equipment investment and working costs reduce by a wide margin.
Description
Technical Field
The utility model belongs to the technical field of the environmental protection equipment, a exhaust-gas treatment equipment is related to, especially, relate to an organic waste gas collects anti-purging system.
Background
An RTO (Regenerative Thermal Oxidizer) is a high-efficiency organic waste gas treatment device; compared with the traditional catalytic combustion and direct combustion thermal oxidation furnace (TO), the novel waste heat recovery device has the characteristics of high thermal efficiency (more than or equal TO 95 percent), low operation cost, capability of treating low-concentration waste gas in large air volume and the like, and can also perform secondary waste heat recovery when the concentration is slightly high, thereby greatly reducing the production and operation cost. The principle is that organic matters (VOCs) in the waste gas are oxidized into corresponding carbon dioxide and water at high temperature, so that the waste gas is purified, heat released during decomposition of the waste gas is recovered, the three-chamber RTO waste gas decomposition efficiency reaches over 99 percent, and the heat recovery efficiency reaches over 95 percent. The RTO main structure comprises a combustion chamber, a regenerative chamber, a switching valve and the like; according to the actual requirements of users, different heat energy recovery modes and switching valve modes are selected.
In order to improve the treatment capacity of waste gas, the conventional RTO has a complex structure, large occupied volume and large occupied area, and an instantaneous peak value is easy to exceed the standard when a lift valve is switched, so that the more strict environmental protection requirement cannot be met.
In view of the above, there is an urgent need to design a treatment method for collecting and back-purging organic waste gas so as to overcome the above-mentioned drawbacks of the existing treatment methods.
SUMMERY OF THE UTILITY MODEL
The utility model provides a blowback system of sweeping is collected to organic waste gas, the organic waste gas after the processing can be stabilized discharge to reach standard, does not exist because of the instantaneous peak value that the poppet valve switching produced exceeds standard, satisfies more strict environmental protection requirement, and equipment investment and working costs but reduce by a wide margin.
For solving the technical problem, according to the utility model discloses an aspect adopts following technical scheme:
an organic waste gas collecting and back-flushing system, comprising:
the regenerative chamber incinerator is internally provided with a first regenerative chamber, a combustion chamber and a second regenerative chamber in sequence, a first regenerative body is arranged between the first regenerative chamber and the combustion chamber, and a second regenerative body is arranged between the second regenerative chamber and the combustion chamber;
a first poppet valve in communication with the first regenerator;
a second poppet valve in communication with the second regenerator;
a third poppet valve in communication with the first and second poppet valves, respectively;
the first induced draft fan is respectively communicated with the first poppet valve and the second poppet valve;
the gas collecting tank is communicated with the third poppet valve and the second poppet valve respectively;
a chimney in communication with the third poppet valve;
the first induced draft fan, the first poppet valve, the first regenerator, the combustion chamber, the second regenerator, the second poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are sequentially communicated to form a first gas passage in a state that a valve membrane in the first poppet valve is positioned at the valve bottom, a valve membrane in the second poppet valve is positioned at the valve top and a valve membrane in the third poppet valve is positioned at the valve bottom;
and the valve membrane in the first poppet valve is positioned at the bottom of the valve, the valve membrane in the second poppet valve is positioned at the top of the valve, and the valve membrane in the third poppet valve is positioned at the top of the valve.
The first induced draft fan, the second poppet valve, the second heat storage chamber, the second heat storage body, the combustion chamber, the first heat storage body, the first heat storage chamber, the first poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are sequentially communicated to form a third gas passage in a state that a valve membrane in the first poppet valve is positioned at a valve top, a valve membrane in the second poppet valve is positioned at a valve bottom and a valve membrane in the third poppet valve is positioned at a valve bottom;
the valve diaphragm in the first poppet valve is located the valve top, the valve diaphragm in the second poppet valve is located the valve bottom and the valve diaphragm in the third poppet valve is located the state of valve top, first draught fan, second poppet valve, second regenerator, combustion chamber, first regenerator, first poppet valve, third poppet valve, chimney communicate in proper order and form the fourth gas passageway.
As an embodiment of the present invention, a liftable valve diaphragm is disposed in each of the first poppet valve, the second poppet valve and the third poppet valve.
As an embodiment of the utility model, the system still includes the second draught fan, sets up the gas collecting tank with on the intercommunication pipeline of second poppet valve, and with the gas outlet intercommunication of first draught fan.
The beneficial effects of the utility model reside in that: the utility model provides an organic waste gas collects anti-purging system, earlier through the heating of first heat accumulator, through combustion chamber oxidation burning, gas after the burning enters into the third poppet valve through the second poppet valve with the remaining waste gas in second heat accumulator bottom behind the second heat accumulator, and the gas collection jar is collected with the remaining waste gas in second heat accumulator bottom to the third poppet valve through the position of switching poppet valve well valve diaphragm, and the gas after the burning is through the pipe connection chimney emission. The waste gas that collects in the gas collection tank leads to first draught fan outlet duct through the second draught fan, mix with follow-up organic waste gas and get into the combustion chamber oxidation combustion after second regenerator and the heating of second regenerator, gas after the burning enters into the third poppet valve through first poppet valve with the remaining waste gas in first regenerator bottom behind the first regenerator, the third poppet valve is collected the gas collection tank with the remaining waste gas in first regenerator bottom through the position of switching the valve diaphragm in the poppet valve, the gas after the burning is discharged through the pipe connection chimney. Compare with two tower RTO of tradition, the utility model discloses an organic waste gas can stabilize discharge to reach standard, does not exist because of the instantaneous peak value that the poppet valve switching produced exceeds standard, satisfies more strict environmental protection requirement, compares with three tower RTO of tradition, and the efficiency of handling waste gas is equivalent, but its equipment investment and working costs reduce by a wide margin.
The utility model discloses a single regenerator volume is about five per ten thousandths of organic waste gas amount of wind (unit m3/h) in the processing system, and the collection tank volume is 1.5 ~ 2 times of single regenerator volume, and when setting up like this, processing system moves safelyr, and the efficiency of handling waste gas is highest. The utility model discloses a processing system controls the lift of valve diaphragm in the three poppet valve through control system to make entire system can continuous steady operation.
Drawings
Fig. 1 is a schematic diagram of an organic waste gas collecting and back purging system according to an embodiment of the present invention.
The reference numbers illustrate:
the regenerative chamber incinerator 10, the first regenerative chamber 11, the first heat accumulator 12, the combustion chamber 13, the second heat accumulator 14, the second regenerative chamber 15, the combustor 16, the first lift valve 21, the second lift valve 22, the third lift valve 23, the first induced draft fan 31, the second induced draft fan 32, the gas collecting tank 40 and the chimney 50.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
For further understanding of the present invention, preferred embodiments of the present invention will be described below with reference to examples, but it should be understood that these descriptions are only for the purpose of further illustrating the features and advantages of the present invention, and are not intended to limit the claims of the present invention.
The description in this section is for exemplary embodiments only, and the present invention is not limited to the scope of the embodiments described. The same or similar prior art means and some technical features of the embodiments are mutually replaced and are also within the scope of the description and the protection of the invention.
The utility model discloses an organic waste gas collection and reverse purging system, and FIG. 1 is a schematic diagram of the organic waste gas collection and reverse purging system in an embodiment of the utility model; referring to fig. 1, in an embodiment of the present invention, the organic waste gas collecting and back purging system includes: the regenerative chamber incinerator 10, a first lifting valve 21, a second lifting valve 22, a third lifting valve 23, a first induced draft fan 31, a gas collecting tank 40, a second induced draft fan 32 and a chimney 50.
The regenerator incinerator 10 is provided with a first regenerator 11, a combustion chamber 13, and a second regenerator 15 in this order, a first regenerator 12 is provided between the first regenerator 11 and the combustion chamber 13, and a second regenerator 14 is provided between the second regenerator 15 and the combustion chamber 13. The first poppet valve 21 communicates with the first regenerator 11; second poppet valve 22 is in communication with second regenerator 15; the third poppet 23 communicates with the first poppet 21 and the second poppet 22, respectively. The first induced draft fan 31 is communicated with the first poppet valve 21 and the second poppet valve 22; the gas collecting tank 40 is communicated with the third poppet valve 23 and the second poppet valve 22 respectively; the second induced draft fan 32 is arranged on the communicating pipeline of the gas collecting tank 40 and the second lift valve 22 and is communicated with the gas outlet of the first induced draft fan 31. The chimney 50 communicates with the third poppet 23. The first poppet valve 21, the second poppet valve 22 and the third poppet valve 23 are each provided with a liftable valve diaphragm.
In a state where the valve diaphragm of the first poppet valve 21 is located at the valve bottom, the valve diaphragm of the second poppet valve 22 is located at the valve top, and the valve diaphragm of the third poppet valve 23 is located at the valve bottom, the first induced draft fan 31, the first poppet valve 21, the first regenerator 11, the first regenerator 12, the combustion chamber 13, the second regenerator 14, the second regenerator 15, the second poppet valve 22, the third poppet valve 23, the gas collection tank 40, and the second induced draft fan 32 are sequentially communicated to form a first gas passage.
In a state where the valve diaphragm of the first poppet valve 21 is positioned at the valve bottom, the valve diaphragm of the second poppet valve 22 is positioned at the valve top, and the valve diaphragm of the third poppet valve 23 is positioned at the valve top, the first induced draft fan 31, the first poppet valve 21, the first regenerator 11, the first regenerator 12, the combustion chamber 13, the second regenerator 14, the second regenerator 15, the second poppet valve 22, the third poppet valve 23, and the chimney 50 are sequentially communicated to form a second gas passage.
In a state where the valve diaphragm of the first poppet valve 21 is located at the valve top, the valve diaphragm of the second poppet valve 22 is located at the valve bottom, and the valve diaphragm of the third poppet valve 23 is located at the valve, the first induced draft fan 31, the second poppet valve 22, the second regenerator 15, the second regenerator 14, the combustion chamber 13, the first regenerator 12, the first regenerator 11, the first poppet valve 21, the third poppet valve 23, the gas collecting tank 40, and the second induced draft fan 32 are sequentially communicated to form a third gas passage.
In a state where the valve diaphragm of the first poppet valve 21 is located at the valve top, the valve diaphragm of the second poppet valve 22 is located at the valve bottom, and the valve diaphragm of the third poppet valve 23 is located at the valve top, the first induced draft fan 31, the second poppet valve 22, the second regenerator 15, the second regenerator 14, the combustion chamber 13, the first regenerator 12, the first regenerator 11, the first poppet valve 21, the third poppet valve 23, and the chimney 50 are sequentially communicated to form a fourth gas passage.
The utility model discloses an in the embodiment, the volume of first regenerator 11 is the same with the volume of second regenerator 15, and the volume of gas collecting tank 40 is 1.5 ~ 2 times of first regenerator 11 volume to, single regenerator volume is about five per ten thousandth of the organic waste gas amount of wind, sets up like this and can effectively improve this processing system's treatment effeciency.
In an embodiment of the present invention, a second induced draft fan 32 is disposed between the gas collecting tank 40 and the second poppet valve 22, and the second induced draft fan 32 can guide the gas in the gas collecting tank 40 to the second poppet valve 22. In addition, the first heat storage body 12 and the second heat storage body 14 are each made of a ceramic material having a heat storage function.
In an embodiment of the present invention, the organic waste gas collecting and back purging processing system further includes a control system, and the control system is connected with the first poppet valve 21, the second poppet valve 22 and the third poppet valve 23 respectively, for controlling the lifting of the valve diaphragms in the three poppet valves respectively.
Of course, in other embodiments, the ratio of the volume of the gas collection tank to the volume of the first regenerator may also be adjusted according to actual needs; the second induced draft fan can be selectively arranged; the two heat accumulators may also be made of other materials with heat accumulation function, and are not described herein.
In an embodiment of the present invention, the specific application of the organic waste gas collection and anti-purging system is as follows:
(1) organic waste gas is pressurized by a first induced draft fan 31 and enters a first regenerator 11 through a first poppet valve 21 (at the moment, a valve membrane in the first poppet valve 21 is positioned at the bottom of the valve), the waste gas is heated to a certain temperature (for example, 750-850 ℃) under the heating action of a first regenerator 12 (made of special ceramic materials and having a heat storage function), enters a combustor 13 and is oxidized and combusted under the action of a combustor 16 (at the moment, a small part of waste gas still remains in the first regenerator 11);
(2) the high-temperature gas after combustion enters a second heat storage chamber 15, the gas transfers the temperature to the second heat storage body 14 for storage when passing through the second heat storage body 14, at the moment, the waste gas which is still remained in the second heat storage chamber 15 and does not participate in the combustion last time is led out through a second poppet valve 22 (at the moment, a valve membrane in the second poppet valve 22 is positioned at the valve top) under the action of a second induced draft fan 32, and is separated through a third poppet valve 23;
(3) the gas passes through the third poppet valve 23, and enters the gas collection tank 40 if the valve diaphragm in the third poppet valve 22 is at the bottom of the valve, and is discharged through the chimney 50 via the bottom of the third poppet valve if the valve diaphragm in the third poppet valve 22 is at the top of the valve;
(4) adjusting the position of the valve diaphragms in the first poppet valve 21 and the second poppet valve 22;
(5) the gas in the gas collecting tank 40 is converged with the gas at the outlet of the first induced draft fan 31 by the drainage of the second induced draft fan 32, enters the second regenerator 15 through the second poppet valve 22 (at this time, the valve membrane in the second poppet valve 22 is located at the bottom of the valve), the exhaust gas enters the combustion chamber 13 when being heated to a certain temperature under the action of the second regenerator 14 and is oxidized and combusted under the action of the burner 16 (at this time, a small part of exhaust gas still remains in the second regenerator 15), the combusted high-temperature gas enters the first regenerator 11, the temperature is transferred to the first regenerator 12 for storage when passing through the first regenerator 12, and the residual exhaust gas which does not participate in combustion last time in the first regenerator 11 is also led out through the first poppet valve 21 (at this time, the valve membrane in the first poppet valve 21 is located at the top of the valve) under the action of the fan and is separated by the third poppet valve 23;
(6) the gas passes through the third poppet 23 and enters the vapor collection canister 40 if the valve diaphragm in the third poppet 22 is at the bottom of the valve, and the gas is exhausted through the chimney 50 via the bottom of the third poppet if the valve diaphragm in the third poppet 22 is at the top of the valve.
The utility model discloses still disclose the blowback of above-mentioned organic waste gas collection blowback system and sweep processing method, the blowback is swept processing method and is included the following step of cyclic execution:
step S1, controlling a valve diaphragm in the first poppet valve to be located at the valve bottom, a valve diaphragm in the second poppet valve to be located at the valve top, and a valve diaphragm in the third poppet valve to be located at the valve bottom, and continuing for 50-75 seconds, wherein the first induced draft fan, the first poppet valve, the first heat storage chamber, the first heat storage body, the combustion chamber, the second heat storage body, the second heat storage chamber, the second poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are sequentially communicated to form a first gas passage;
step S2, controlling a valve diaphragm in the first poppet valve to be located at the bottom of the valve, a valve diaphragm in the second poppet valve to be located at the top of the valve, and a valve diaphragm in the third poppet valve to be located at the top of the valve, wherein the duration lasts for 10-15 seconds, and the first induced draft fan, the first poppet valve, the first regenerator, the combustion chamber, the second regenerator, the second poppet valve, the third poppet valve and the chimney are sequentially communicated to form a second gas passage;
step S3, controlling a valve diaphragm in the first poppet valve to be located at the top of the valve, a valve diaphragm in the second poppet valve to be located at the bottom of the valve, and a valve diaphragm in the third poppet valve to be located at the bottom of the valve for 50-75 seconds, wherein the first induced draft fan, the second poppet valve, the second regenerator, the combustion chamber, the first regenerator, the first poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are communicated in sequence to form a third gas passage;
and step S4, controlling a valve membrane in the first poppet valve to be positioned at the valve top, a valve membrane in the second poppet valve to be positioned at the valve bottom and a valve membrane in the third poppet valve to be positioned at the valve top for 10-15 seconds, and sequentially communicating the first induced draft fan, the second poppet valve, the second regenerator, the combustion chamber, the first regenerator, the first poppet valve, the third poppet valve and the chimney to form a fourth gas passage.
Step S5, the above operation is executed in a loop of step 1.
The utility model discloses a processing system compares with two tower RTO of tradition, can realize organic waste gas's stable discharge to reach standard, does not exist because of the instantaneous peak value that the poppet valve switching produced exceeds standard, satisfies more strict environmental protection requirement. The utility model discloses a processing system matches with three tower RTO's of tradition exhaust-gas treatment efficiency, but equipment investment and working costs reduce by a wide margin. The utility model discloses a processing system passes through control system and can realize continuous steady operation, and entire system's area is little, and operation and maintenance are simple convenient, and the operation is reliable and stable. It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
To sum up, the utility model provides an organic waste gas collects anti-purging system and blowback sweeps processing method, earlier through the heating of first heat accumulator, through combustion chamber oxidation burning, gas after the burning enters into the third poppet valve through the second poppet valve with the remaining waste gas in second heat accumulator bottom behind the second heat accumulator, the gas collection jar is collected with the remaining waste gas in second heat accumulator bottom to the position of third poppet valve diaphragm in through switching the poppet valve, the gas after the burning is discharged through the pipe connection chimney. The waste gas that collects in the gas collection tank leads to first draught fan outlet duct through the second draught fan, mix with follow-up organic waste gas and get into the combustion chamber oxidation combustion after second regenerator and the heating of second regenerator, gas after the burning enters into the third poppet valve through first poppet valve with the remaining waste gas in first regenerator bottom behind the first regenerator, the third poppet valve is collected the gas collection tank with the remaining waste gas in first regenerator bottom through the position of switching the valve diaphragm in the poppet valve, the gas after the burning is discharged through the pipe connection chimney. Compare with two tower RTO of tradition, the utility model discloses an organic waste gas can stabilize discharge to reach standard, does not exist because of the instantaneous peak value that the poppet valve switching produced exceeds standard, satisfies more strict environmental protection requirement, compares with three tower RTO of tradition, and the efficiency of handling waste gas is equivalent, but its equipment investment and working costs reduce by a wide margin.
The utility model discloses a single regenerator volume is about five per ten thousandths of organic waste gas amount of wind (unit m3/h) in the processing system, and the collection tank volume is 1.5 ~ 2 times of single regenerator volume, and when setting up like this, processing system moves safelyr, and the efficiency of handling waste gas is highest. The utility model discloses a processing system controls the lift of valve diaphragm in the three poppet valve through control system to make entire system can continuous steady operation.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The description and applications of the present invention are illustrative and are not intended to limit the scope of the invention to the embodiments described above. Variations and modifications of the embodiments disclosed herein are possible, and alternative and equivalent various components of the embodiments will be apparent to those skilled in the art. It will be clear to those skilled in the art that the present invention may be embodied in other forms, structures, arrangements, proportions, and with other components, materials, and parts, without departing from the spirit or essential characteristics thereof. Other variations and modifications of the embodiments disclosed herein may be made without departing from the scope and spirit of the present invention.
Claims (3)
1. An organic waste gas collecting and back-flushing system, which is characterized by comprising:
the regenerative chamber incinerator is internally provided with a first regenerative chamber, a combustion chamber and a second regenerative chamber in sequence, a first regenerative body is arranged between the first regenerative chamber and the combustion chamber, and a second regenerative body is arranged between the second regenerative chamber and the combustion chamber;
a first poppet valve in communication with the first regenerator;
a second poppet valve in communication with the second regenerator;
a third poppet valve in communication with the first and second poppet valves, respectively;
the first induced draft fan is respectively communicated with the first poppet valve and the second poppet valve;
the gas collecting tank is communicated with the third poppet valve and the second poppet valve respectively;
a chimney in communication with the third poppet valve;
the first induced draft fan, the first poppet valve, the first regenerator, the combustion chamber, the second regenerator, the second poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are sequentially communicated to form a first gas passage in a state that a valve membrane in the first poppet valve is positioned at the valve bottom, a valve membrane in the second poppet valve is positioned at the valve top and a valve membrane in the third poppet valve is positioned at the valve bottom;
the first induced draft fan, the first poppet valve, the first heat storage chamber, the first heat storage body, the combustion chamber, the second heat storage body, the second heat storage chamber, the second poppet valve, the third poppet valve and the chimney are communicated in sequence to form a second gas passage in the state that a valve membrane in the first poppet valve is positioned at the valve bottom, a valve membrane in the second poppet valve is positioned at the valve top and a valve membrane in the third poppet valve is positioned at the valve top;
the first induced draft fan, the second poppet valve, the second heat storage chamber, the second heat storage body, the combustion chamber, the first heat storage body, the first heat storage chamber, the first poppet valve, the third poppet valve, the gas collecting tank and the second induced draft fan are sequentially communicated to form a third gas passage in a state that a valve membrane in the first poppet valve is positioned at a valve top, a valve membrane in the second poppet valve is positioned at a valve bottom and a valve membrane in the third poppet valve is positioned at a valve bottom;
the valve diaphragm in the first poppet valve is located the valve top, the valve diaphragm in the second poppet valve is located the valve bottom and the valve diaphragm in the third poppet valve is located the state of valve top, first draught fan, second poppet valve, second regenerator, combustion chamber, first regenerator, first poppet valve, third poppet valve, chimney communicate in proper order and form the fourth gas passageway.
2. The organic waste gas collecting and back purging system according to claim 1, wherein:
and the first poppet valve, the second poppet valve and the third poppet valve are respectively provided with a liftable valve diaphragm.
3. The organic waste gas collecting and back purging system according to claim 1, wherein:
the system also comprises a second induced draft fan, which is arranged on the gas collecting tank and the communicating pipeline of the second lift valve and communicated with the gas outlet of the first induced draft fan.
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| 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 |
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| 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 |
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