CN214038448U - Waste gas spray gun - Google Patents
Waste gas spray gun Download PDFInfo
- Publication number
- CN214038448U CN214038448U CN202022826010.4U CN202022826010U CN214038448U CN 214038448 U CN214038448 U CN 214038448U CN 202022826010 U CN202022826010 U CN 202022826010U CN 214038448 U CN214038448 U CN 214038448U
- Authority
- CN
- China
- Prior art keywords
- waste gas
- exhaust gas
- pipeline
- protective sheath
- cooling air
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000002912 waste gas Substances 0.000 title claims abstract description 91
- 239000007921 spray Substances 0.000 title claims abstract description 22
- 239000007789 gas Substances 0.000 claims abstract description 49
- 238000001816 cooling Methods 0.000 claims abstract description 33
- 230000001681 protective effect Effects 0.000 claims abstract description 28
- 230000001706 oxygenating effect Effects 0.000 claims abstract description 13
- 230000008676 import Effects 0.000 abstract description 8
- 238000005496 tempering Methods 0.000 abstract description 7
- 230000011218 segmentation Effects 0.000 abstract 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 20
- 239000001301 oxygen Substances 0.000 description 20
- 229910052760 oxygen Inorganic materials 0.000 description 20
- 230000001502 supplementing effect Effects 0.000 description 20
- 238000002485 combustion reaction Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 230000002349 favourable effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Images
Abstract
The utility model discloses a waste gas spray gun, including waste gas pipeline and protective sheath, outside waste gas pipeline was located to the protective sheath cover, the inner wall of protective sheath was equipped with heliciform guide blade, and the one end of protective sheath is connected with the cooling air pipeline, and the cooling air pipeline is equipped with the cooling air import, and the other end cover of protective sheath is equipped with the housing, and the terminal surface of housing is equipped with the flange, and the housing is equipped with oxygenating wind import, and waste gas pipeline adopts the segmentation design, and waste gas pipeline is connected with high-pressure boosting wind pipeline. The utility model discloses simple structure, when waste gas gets into furnace through exhaust gas line, after the cooling air got into the protective sheath, around exhaust gas line with spiral mode evenly distributed under guide vane's helical pitch, effectively reduced operating temperature, prevent that high temperature from damaging exhaust gas line and leading to waste gas to leak, insert oxygenating wind, make the more abundant burning of waste gas, drive waste gas through high-pressure boosting wind and spout furnace with high speed, stopped the tempering phenomenon, prevent that the waste gas spray gun from being burnt out, reduce the potential safety hazard.
Description
Technical Field
The utility model relates to a waste gas treatment technical field, more specifically relate to a waste gas spray gun for burning furnace waste gas charge-in system.
Background
The incineration method is increasingly widely used as an effective waste gas treatment means for reducing volume and weight. The incineration treatment is to burn the waste gas in an incinerator to release heat energy, and the waste heat can be recovered for heat supply and power generation. For a large flow of exhaust gas, the exhaust gas needs to be fed into the furnace through the exhaust gas lance.
The waste gas spray gun in the prior art often has the phenomena of burning out and tempering of the waste gas spray gun, meets waste gas with larger dust content, is easy to have the blocking phenomenon, and brings great hidden danger to safety production. When the waste gas burns, high temperature is generated, and the waste gas spray gun can not treat various waste gases due to temperature. In the process of combustion of exhaust gas, there are also cases where combustion is insufficient. In addition, during the treatment of high-temperature, highly corrosive exhaust gas, the exhaust gas lances have a very short service life and often need to be replaced.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a can effectively reduce operating temperature, can prevent the waste gas spray gun of tempering, be favorable to waste gas fully burning, extension equipment life.
According to the utility model discloses an aspect provides a waste gas spray gun, and it includes waste gas pipeline and protective sheath, and outside waste gas pipeline was located to the protective sheath cover, the inner wall of protective sheath was equipped with heliciform guide blade, and the one end of protective sheath is connected with the cooling air pipeline, and the cooling air pipeline is equipped with the cooling air import, and the other end cover of protective sheath is equipped with the housing, and the terminal surface of housing is equipped with the flange. From this, when the waste gas spray gun uses, through flange joint in the furnace that burns burning furnace, waste gas passes through exhaust gas duct and gets into furnace, the cooling air passes through the cooling air import and gets into the cooling air pipeline, the cooling air is under the guide vane's of protective sheath helical mode evenly distributed around exhaust gas duct, can prevent that high temperature from damaging exhaust gas duct and leading to waste gas to leak, the cooling air gets into furnace from the space between stand pipe and the exhaust gas duct and uses as oxygenating air, cooling air distribution through the spiral is around exhaust gas duct, operating temperature has effectively been reduced, be favorable to prolonging exhaust gas duct's life.
In some embodiments, the enclosure is provided with an oxygenating air inlet. From this, the air of cooling air import department is not enough to support to burn burning furnace waste gas completely, can open the import of oxygenating wind, and oxygenating wind gets into the housing through the import of oxygenating wind and reaches furnace, and waste gas and oxygenating wind are fully mixed in burning furnace, and the burning is more abundant and stable.
In some embodiments, a high pressure boost air duct is connected to the exhaust gas duct. From this, dispose high-pressure boosting wind pipeline, high-pressure boosting wind pipeline communicates with each other with the exhaust gas pipeline, does not communicate with each other with the protective sheath, and the inlet air pressure of high-pressure boosting wind is about twice of the inlet air pressure of exhaust gas pipeline, can drive waste gas through high-pressure boosting wind and spout the burning furnace in-furnace processing with high speed into, has stopped the tempering phenomenon, has prevented that the waste gas spray gun from being burnt out, if meet the great waste gas of dust content, can also avoid blocking phenomenon, reduces the potential safety hazard.
In some embodiments, the exhaust duct includes a first exhaust duct section and a second exhaust duct section, the high pressure boost air duct is connected to the first exhaust duct section, and the protective sleeve is disposed outside the second exhaust duct section. From this, exhaust gas piping adopts two sections mosaic structure, and first exhaust gas piping section can be unpack apart alone, can select different materials according to the characteristic of waste gas material, makes the application scope of equipment wider.
In some embodiments, the high-pressure boosting air pipeline and the first exhaust gas pipeline section form an included angle of 45 degrees, and the centers of the high-pressure boosting air pipeline, the cooling air inlet and the oxygen supplementing air inlet are located on the same vertical plane. From this, high pressure boosting wind pipeline and first waste gas pipeline section are 45 degrees contained angles and are connected, and the air inlet of high pressure boosting wind pipeline mixes with waste gas better, and promotes the high-speed injection of waste gas and burns burning furnace chamber.
In some embodiments, the oxygen supplementing air inlet is provided with two positions, and the two positions of the oxygen supplementing air inlet are symmetrically arranged relative to the center of the housing. Therefore, in order to ensure that organic matters in the waste gas are fully combusted, two oxygen supplementing air inlets can be arranged, and whether the two oxygen supplementing air inlets need to be opened simultaneously or not is determined according to the actual condition of waste gas combustion.
The utility model has the advantages that: the utility model provides a waste gas spray gun simple structure, when waste gas gets into furnace through the waste gas pipeline, after the cooling air got into the protective sheath, evenly distributed around the waste gas pipeline in the spiral mode under the helical pitch of guide vane, effectively reduced the operating temperature, prevent that high temperature from damaging the waste gas pipeline and leading to the waste gas to leak, be favorable to prolonging the life of waste gas pipeline; the exhaust gas pipeline is externally connected with a high-pressure boosting air pipeline with a 45-degree included angle, high-pressure boosting air with double pressure drives exhaust gas to be sprayed into the inner treatment of a hearth of the incinerator at high speed, the tempering phenomenon is avoided, the exhaust gas spray gun is prevented from being burnt out, if the exhaust gas with large dust content is encountered, the blocking phenomenon can be avoided, the potential safety hazard is reduced, and oxygen supplementing air is introduced into an inlet of the oxygen supplementing air, so that the exhaust gas is more sufficiently combusted.
Drawings
FIG. 1 is a schematic structural view of an embodiment of the exhaust gas lance of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
fig. 3 is a schematic structural diagram of the waste gas spray gun of the present invention with two oxygen supplementing air inlets.
Detailed Description
The present invention will be further described with reference to the following embodiments.
As shown in fig. 1 to 2, the waste gas spray gun of an embodiment of the present invention includes a waste gas pipeline 1 and a protection sleeve 2, the waste gas pipeline 1 is sleeved with the protection sleeve 2, and a spiral guide vane 21 is fixed on the inner wall of the protection sleeve 2. One end of the protective sleeve 2 is connected with a cooling air pipeline 3, the cooling air pipeline 3 is also sleeved outside the exhaust gas pipeline 1, and a cooling air inlet 31 is connected to the pipe wall of the cooling air pipeline 3. The other end of the protective sleeve 2 is covered with a conical housing 4, and a flange 5 is fixed on the end surface of the housing 4. The waste gas spray gun is connected with the hearth of the incinerator through the flange 5. When the waste gas spray gun uses, waste gas passes through waste gas pipeline 1 and gets into furnace, and the cooling air passes through cooling air import 31 and gets into cooling air duct 3, and the cooling air can prevent that high temperature from damaging waste gas pipeline 1 and leading to waste gas to leak under the helical pitch of guide vane 21 in protective cover 2 to spiral mode evenly distributed is around waste gas pipeline 1's the outside, and the cooling air gets into furnace from the space between stand pipe and waste gas pipeline 1 and uses as oxygenating air. The cooling air passing through the spiral is distributed around the waste gas pipeline 1, so that a cold air protective sleeve system is formed, the running temperature is effectively reduced, the probability that the waste gas pipeline 1 is burnt out due to high temperature is reduced, and the service life of the waste gas pipeline 1 is prolonged.
The housing 4 is connected with an oxygen supplementing air inlet 6. When the air at the cooling air inlet 31 is not enough to support the complete combustion of the waste gas of the incinerator, the oxygen supplementing air inlet 6 can be opened, the oxygen supplementing air enters the encloser 4 through the oxygen supplementing air inlet 6 to reach the hearth, the waste gas and the oxygen supplementing air are fully mixed in the hearth of the incinerator, and the combustion is more sufficient and stable. In practical applications, the number of the oxygen supplementing air inlets 6 can be increased, for example, the two oxygen supplementing air inlets 6 are arranged (as shown in fig. 3), the two oxygen supplementing air inlets 6 are symmetrically arranged relative to the center of the housing 4, and during operation, whether the two oxygen supplementing air inlets 6 need to be opened simultaneously is determined according to the actual situation of waste gas combustion.
The exhaust gas duct 1 is of a segmented design, the exhaust gas duct 1 comprising a first exhaust gas duct segment 11 and a second exhaust gas duct segment 12. The protective sleeve 2 is sleeved outside the second exhaust gas pipeline section 12. The first waste gas pipeline section 11 is communicated with a high-pressure boosting air pipeline 7. The included angle A between the high-pressure boosting air pipeline 7 and the first waste gas pipeline section 11 is 45 degrees, and the centers of the high-pressure boosting air pipeline 7, the cooling air inlet 31 and the oxygen supplementing air inlet 6 are located on the same vertical plane. Waste gas pipeline 1 adopts two sections mosaic structure, and first waste gas pipeline section 11 can be unpack apart alone, can select different materials according to the characteristic of waste gas material, makes the application scope of equipment wider. When explosive type waste gas is not treated, a high-pressure boosting air pipeline 7 can be configured, and the high-pressure boosting air pipeline 7 is communicated with the waste gas pipeline 1 and is not communicated with the protective sleeve 2. High-pressure boosting air pipeline 7 is connected with first exhaust gas pipeline section 11 at 45 degrees contained angles, and the inlet air pressure of high-pressure boosting air is about twice of the inlet air pressure of exhaust gas pipeline 1, and the air inlet of high-pressure boosting air pipeline 7 mixes with waste gas better to can drive waste gas through high-pressure boosting air and spout burning furnace in-chamber processing with high speed into, stop the tempering phenomenon, prevent that the waste gas spray gun from being burnt out. By adopting the boosting structure, the blockage phenomenon can be avoided and the potential safety hazard can be reduced when the waste gas with larger dust content is encountered.
The utility model provides a waste gas spray gun simple structure, when waste gas got into furnace through waste gas pipeline 1, after cooling air got into protective sheath 2, with spiral mode evenly distributed around waste gas pipeline 1 under guide vane 21's helical pitch, effectively reduced operating temperature, prevent that high temperature from damaging waste gas pipeline 1 and leading to waste gas to leak, be favorable to prolonging waste gas pipeline 1's life. The waste gas pipeline 1 is externally connected with a high-pressure boosting air pipeline 7 with an included angle of 45 degrees, and high-pressure boosting air with double pressure drives waste gas to be sprayed into the inner treatment of a hearth of the incinerator at high speed, so that the tempering phenomenon is avoided, and a waste gas spray gun is prevented from being burnt out. If the waste gas with large dust content is encountered, the blockage phenomenon can be avoided, and the potential safety hazard is reduced. And oxygen supplementing air is also connected through an oxygen supplementing air inlet 6, so that the waste gas is more fully combusted.
The foregoing is only a few embodiments of the present invention, and it should be noted that, for those skilled in the art, other modifications and improvements can be made without departing from the inventive concept of the present invention, and all of them belong to the protection scope of the present invention.
Claims (6)
1. Waste gas spray gun, its characterized in that, including exhaust gas pipeline (1) and protective sheath (2), outside exhaust gas pipeline (1) was located to protective sheath (2) cover, the inner wall of protective sheath (2) is equipped with heliciform guide vane (21), the one end of protective sheath (2) is connected with cooling air pipeline (3), cooling air pipeline (3) are equipped with cooling air inlet (31), the other end cover of protective sheath (2) is equipped with housing (4), the terminal surface of housing (4) is equipped with flange (5).
2. An exhaust gas lance as claimed in claim 1, characterized in that the housing (4) is provided with an oxygenating air inlet (6).
3. An exhaust gas lance as claimed in claim 2, characterized in that a high-pressure booster air duct (7) is connected to the exhaust gas duct (1).
4. An exhaust gas lance as claimed in claim 3, wherein the exhaust gas conduit (1) comprises a first exhaust gas conduit section (11) and a second exhaust gas conduit section (12), the high-pressure boost air conduit (7) being connected to the first exhaust gas conduit section (11), the protective sleeve (2) being sleeved outside the second exhaust gas conduit section (12).
5. An exhaust gas lance as claimed in claim 4, wherein the angle (A) between the high pressure boost air duct (7) and the first exhaust gas duct section (11) is 45 degrees, and the centres of the high pressure boost air duct (7), the cooling air inlet (31) and the oxygenating air inlet (6) are located on the same vertical plane.
6. An exhaust gas lance as claimed in claim 2 or 5, wherein the oxygenating air inlet (6) is provided in two places, the two oxygenating air inlets (6) being symmetrically arranged with respect to the centre of the housing (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826010.4U CN214038448U (en) | 2020-11-30 | 2020-11-30 | Waste gas spray gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022826010.4U CN214038448U (en) | 2020-11-30 | 2020-11-30 | Waste gas spray gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214038448U true CN214038448U (en) | 2021-08-24 |
Family
ID=77364085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022826010.4U Expired - Fee Related CN214038448U (en) | 2020-11-30 | 2020-11-30 | Waste gas spray gun |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214038448U (en) |
-
2020
- 2020-11-30 CN CN202022826010.4U patent/CN214038448U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |