CN217952322U - Direct-fired exhaust system - Google Patents
Direct-fired exhaust system Download PDFInfo
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- CN217952322U CN217952322U CN202222308060.2U CN202222308060U CN217952322U CN 217952322 U CN217952322 U CN 217952322U CN 202222308060 U CN202222308060 U CN 202222308060U CN 217952322 U CN217952322 U CN 217952322U
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Abstract
A direct-fired waste gas direct-discharging system relates to the technical field of oxygen-deficient high-concentration organic waste gas treatment, wherein a main fire pipeline system is arranged in a skirt seat of the direct-fired waste gas direct-discharging system; the main fire pipeline system is arranged in the skirt; the combustor cooling ventilation opening is arranged on the wall of the skirt seat in a penetrating way; the combustion-supporting air interface is arranged on the combustor inside the skirt in a penetrating way; the high-concentration oxygen-poor waste gas interface is arranged on the combustor inside the skirt in a penetrating way; the combustion-supporting air filter is arranged on the base and is connected with an air inlet of the combustion-supporting fan through a pipeline, and a combustion-supporting air control valve is arranged on the pipeline; an air outlet of the combustion-supporting fan is communicated with a combustion-supporting air interface by a combustion-supporting pipeline; the gas-liquid separator is fixed on the support. The high-concentration waste gas is directly used as fuel for direct combustion, a large amount of additional fuel is not needed, the combustion chamber and the smoke exhaust system as a whole reduce the investment of the smoke exhaust system, the system can operate in the intermittent waste gas discharge working condition, and the working condition that other equipment cannot process can be processed.
Description
Technical Field
The utility model relates to a poor oxygen high concentration organic waste gas treatment technical field, concretely relates to waste gas direct combustion system in line.
Background
In the organic waste gas treatment system, there are mainly two technical lines for treating the high-concentration organic waste gas. The first circuit adopts the heat accumulating type incinerator to treat after the high-concentration waste gas is diluted by dilution air, but the heat accumulating type incinerator equipment becomes large after a large amount of dilution air is added, the fuel required by equipment operation is correspondingly increased, and the investment and operation cost is greatly increased. And the second line adopts high-concentration waste gas to be directly led into the common direct-fired furnace, and the high-concentration waste gas is ignited by a burner of the direct-fired furnace. However, the conventional direct-fired furnace still consumes a lot of fuel by means of additional burner ignition, and the direct-fired furnace is also provided with an independent smoke exhaust system, so that the system investment is still large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a direct system of arranging of waste gas direct combustion, it is direct with high enriched waste gas as fuel direct combustion, need not a large amount of extra fuels, the combustion chamber reduces the system investment of discharging fume as a whole with the system of discharging fume, and the system can operate at waste gas intermittent type emission operating mode, can handle the operating mode that other equipment can't be handled.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the combined type combustion system comprises a combined type combustor, a combustion-supporting system, a high-concentration air inlet system and a combustion chamber; wherein the combined burner comprises:
a main fire piping system disposed in a skirt of the exhaust direct-fired system;
a main fire piping system disposed within the skirt;
the combustor cooling ventilation opening is arranged on the skirt base wall in a penetrating mode;
the combustion-supporting air interface is arranged on the combustor inside the skirt in a penetrating manner;
the high-concentration oxygen-poor waste gas connectors are arranged on the combustor inside the skirt in a penetrating manner;
the refractory brick is arranged at an ignition position of the top wall of the skirt; the ignition position penetrates through the bottom of the combustion chamber; the outlet ends of the main fire pipeline system and the main fire pipeline system are arranged in the refractory bricks;
the combustion-supporting system comprises:
the combustion-supporting air filter is arranged on the support and is connected with an air inlet of a combustion-supporting fan through a pipeline, and a combustion-supporting air control valve is arranged on the pipeline; an air outlet of the combustion-supporting fan is communicated with a combustion-supporting air interface by a combustion-supporting pipeline;
the high concentration intake system includes:
the gas-liquid separator is fixed on the base, and the inlet end of the gas-liquid separator is connected with the waste gas source through a pipeline;
the waste gas main pipe flame arrester is communicated and connected with the gas outlet of the gas-liquid separator; the air outlet of the flame arrester of the waste gas main pipe is connected with the air inlet of the high-concentration waste gas fan by a pipeline, and the pipeline is connected with a waste gas control valve; the air outlet of the high-concentration waste gas fan is communicated with the high-concentration oxygen-poor waste gas connector through a pipeline, and a high-concentration waste gas branch pipe flame arrester is connected to the pipeline.
Preferably, a rain-shielding cap and a guide plate are arranged on the top smoke outlet of the combustion chamber.
Preferably, the side wall of the combustion chamber is provided with a combustion chamber heat insulation layer.
Preferably, a maintenance manhole is penetratingly arranged on the side wall of the combustion chamber.
Preferably, a smoke detection port is formed in the side wall of the combustion chamber in a penetrating mode, and the smoke detection port is arranged adjacent to a smoke exhaust port of the combustion chamber.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a direct system of arranging of waste gas direct combustion, it is direct with high enriched waste gas as fuel direct combustion, need not a large amount of extra fuels, and the combustion chamber reduces the system investment of discharging fume as whole with the system of discharging fume, and the system can move in waste gas intermittent type emission operating mode, can handle the operating mode that other equipment can't handle.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic diagram of the back structure of the present invention.
Fig. 3 is a schematic view of the internal structure of the burner and the combustion chamber of the present invention.
Description of reference numerals:
the device comprises a main fire pipeline system 1, a main fire pipeline system 2, a combustor cooling ventilation opening 3, a combustion-supporting air interface 4, a high-concentration lean-oxygen waste gas interface 5, refractory bricks 6, a combustion chamber 7, a maintenance manhole 8, a combustion chamber heat-insulating layer 9, a smoke detection opening 10, a rain-shielding cap and a guide plate 11, a combustion-supporting air filter 12, a combustion-supporting air control valve 13, a combustion-supporting fan 14, a combustion-supporting pipeline 15, a gas-liquid separator 16, a waste gas main pipe flame arrester 17, a waste gas control valve 18, a high-concentration waste gas fan 19 and a high-concentration waste gas branch pipe flame arrester 20.
Detailed Description
In the following, the technical solutions of the present invention will be clearly and completely described with reference to the accompanying drawings, and the preferred embodiments in the description are only examples, and all other embodiments obtained by those skilled in the art without any inventive work belong to the scope of the present invention.
As shown in fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: it comprises a combined burner, a combustion-supporting system, a high-concentration air inlet system and a combustion chamber 7; wherein the combined burner comprises:
the main fire pipeline system 1, the main fire pipeline system 1 is arranged in the skirt of the waste gas direct-fired direct-discharge system;
the main fire pipeline system 2 is arranged in the skirt;
the burner cooling ventilation opening 3 is arranged on the skirt wall in a penetrating way;
the combustion-supporting air connectors 4 are multiple, and the combustion-supporting air connectors 4 are arranged on the wall of the skirt seat in a penetrating manner;
the high-concentration oxygen-poor exhaust gas connectors 5 are provided with a plurality of high-concentration oxygen-poor exhaust gas connectors 5 which are arranged on the wall of the skirt seat in a penetrating way;
a refractory brick 6, the refractory brick 6 being provided at an ignition position of the skirt top wall position; the ignition position penetrates the bottom of the combustion chamber 7; the outlet ends of the main fire pipeline system 1 and the main fire pipeline system 2 are arranged in refractory bricks 6; a rain shielding cap and a flow guide plate 11 are arranged on a smoke outlet at the top end of the combustion chamber 7; a combustion chamber heat insulation layer 9 is arranged on the side wall of the combustion chamber 7; a maintenance manhole 8 and a smoke detection port 10 are penetratingly arranged on the side wall of the combustion chamber 7, wherein the smoke detection port 10 is arranged adjacent to a smoke outlet of the combustion chamber 7;
the combustion-supporting system comprises:
the combustion-supporting air filter 12 is arranged on the base, and the combustion-supporting air filter 12 is connected with an air inlet of a combustion-supporting fan 14 through a pipeline, and a combustion-supporting air control valve 13 is arranged on the pipeline; an air outlet of the combustion-supporting fan 14 is communicated with the combustion-supporting air interface 4 by a combustion-supporting pipeline 15;
the high-concentration intake system includes:
the gas-liquid separator 16 is fixed on the base, and the inlet end of the gas-liquid separator 16 is connected with the waste gas source through a pipeline;
the waste gas main pipe flame arrester 17 is connected to the gas outlet of the gas-liquid separator 16 in a penetrating manner; the air outlet of the waste gas main pipe flame arrester 17 is connected with the air inlet of a high-concentration waste gas fan 19 by a pipeline, and the pipeline is connected with a waste gas control valve 18; the air outlet of the high-concentration waste gas fan 19 is communicated with the high-concentration oxygen-poor waste gas interface 5 by a pipeline, and the pipeline is connected with a high-concentration waste gas branch pipe flame arrester 20.
When using the utility model discloses, start mother fire pipe-line system 1 and main fire pipe-line system 2, after combustion chamber 7 reaches the set for oxidation temperature, leading-in high enriched waste gas and combustion-supporting air, and close main fire pipe-line system 2, it is concrete, waste gas from the pipeline gets into in vapour and liquid separator 16, waste gas after gas-liquid separation gets into waste gas and is responsible for spark arrester 17, and be pumped to high-concentration lean oxygen waste gas interface 5 by high-concentration waste gas fan 19 under the regulation control of waste gas control valve 18, meanwhile, combustion-supporting fan 14 works, after combustion-supporting air filters 12 filters with combustion-supporting air under the regulation control of combustion-supporting air control valve 13, pump to combustion-supporting air interface 4 through combustion-supporting pipeline 15, the system relies on high enriched waste gas self oxidation reaction to maintain oxidation chamber high temperature and last stable reaction, mother fire pipe-line system 1 continuously opens, avoid unstable process waste gas to cause the combustor to flame out; after being oxidized in the combustion chamber 7, the waste gas is decomposed into carbon dioxide and water and is directly discharged, and the combustion chamber 7 has the function of an exhaust funnel at the same time, so that the construction cost of an independent exhaust funnel is saved; rain hat in rain hat and the flue gas guide plate 11 can prevent that the rainwater from getting into combustion chamber 7 and influencing the burning, prevents simultaneously that the rainwater from causing the damage to heat-insulating material, and the guide plate can prevent that the flue gas from flowing downwards in rain hat and the flue gas guide plate 11 from influencing personnel's safety.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the combined burner is directly arranged in the skirt of the waste gas direct-combustion direct-discharge system, an independent burner shell is not required to be arranged, the structure is compact, and the external space is not occupied;
2. the pilot fire pipeline system is matched with the main fire pipeline system, so that the problem of flameout of the burner caused by unstable process waste gas is avoided;
3. the top of the combustion chamber has the function of a smoke exhaust pipe, so that the construction cost of an independent smoke exhaust pipe is saved;
4. rain hat in rain hat and the flue gas guide plate can prevent that the rainwater from getting into combustion chamber 7 and influencing the burning, prevents simultaneously that the rainwater from causing the damage to heat-insulating material, and the guide plate can prevent that the flue gas from flowing downwards in rain hat and the flue gas guide plate from influencing personnel's safety.
It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. An exhaust gas direct-fired direct discharge system, characterized in that: the combined combustion-supporting device comprises a combined combustor, a combustion-supporting system, a high-concentration air inlet system and a combustion chamber (7); wherein the combined burner comprises:
the main fire pipeline system (1), the main fire pipeline system (1) is arranged in a skirt of the waste gas direct-fired direct-discharge system;
the main fire pipeline system (2), the main fire pipeline system (2) is arranged in the skirt;
the burner cooling ventilation opening (3), the said burner cooling ventilation opening (3) is set up on the wall of skirt base through;
the combustion-supporting air interface (4) is arranged on the combustor inside the skirt in a penetrating manner;
the high-concentration oxygen-poor waste gas connectors (5) are multiple, and the high-concentration oxygen-poor waste gas connectors (5) are arranged on the combustor inside the skirt in a penetrating mode;
the refractory brick (6), the said refractory brick (6) is set up in the ignition position of the top wall position of the skirt; the ignition position penetrates through the bottom of the combustion chamber (7); the outlet ends of the main fire pipeline system (1) and the main fire pipeline system (2) are arranged in refractory bricks (6);
the combustion-supporting system comprises:
the combustion-supporting air filter (12), the said combustion-supporting air filter (12) is set up on the base, and it is connected with air intake of the combustion-supporting blower (14) through the pipeline, there are combustion-supporting air control valves (13) on the pipeline; an air outlet of the combustion-supporting fan (14) is communicated with a combustion-supporting air interface (4) by a combustion-supporting pipeline (15);
the high-concentration intake system includes:
the gas-liquid separator (16) is fixed on the support, and the inlet end of the gas-liquid separator (16) is connected with the waste gas source through a pipeline;
the waste gas main pipe flame arrester (17), the waste gas main pipe flame arrester (17) is connected to the air outlet of the gas-liquid separator (16) in a penetrating way; the air outlet of the waste gas main pipe flame arrester (17) is connected with the air inlet of a high-concentration waste gas fan (19) by a pipeline, and the pipeline is connected with a waste gas control valve (18); the air outlet of the high-concentration waste gas fan (19) is communicated with the high-concentration oxygen-poor waste gas connector (5) through a pipeline, and a high-concentration waste gas branch pipe flame arrester (20) is connected to the pipeline.
2. The direct exhaust system according to claim 1, wherein: a rain-shielding cap and a guide plate (11) are arranged on the top smoke outlet of the combustion chamber (7).
3. The direct exhaust system according to claim 1, wherein: and a heat-insulating layer (9) of the combustion chamber is arranged on the side wall of the combustion chamber (7).
4. The direct exhaust system according to claim 1, wherein: and a maintenance manhole (8) is penetratingly arranged on the side wall of the combustion chamber (7).
5. The direct exhaust system according to claim 1, wherein: the side wall of the combustion chamber (7) is provided with a smoke detection port (10) in a through mode, and the smoke detection port (10) is adjacent to a smoke exhaust port of the combustion chamber (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308060.2U CN217952322U (en) | 2022-09-01 | 2022-09-01 | Direct-fired exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222308060.2U CN217952322U (en) | 2022-09-01 | 2022-09-01 | Direct-fired exhaust system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217952322U true CN217952322U (en) | 2022-12-02 |
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ID=84210896
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222308060.2U Active CN217952322U (en) | 2022-09-01 | 2022-09-01 | Direct-fired exhaust system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217952322U (en) |
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2022
- 2022-09-01 CN CN202222308060.2U patent/CN217952322U/en active Active
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