CN216010850U - Burner nozzle utilizing Venturi principle - Google Patents
Burner nozzle utilizing Venturi principle Download PDFInfo
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- CN216010850U CN216010850U CN202122153434.3U CN202122153434U CN216010850U CN 216010850 U CN216010850 U CN 216010850U CN 202122153434 U CN202122153434 U CN 202122153434U CN 216010850 U CN216010850 U CN 216010850U
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Abstract
The utility model relates to the technical field of burner spray pipes, and discloses a burner spray pipe utilizing the Venturi principle, which is positioned in a combustion space and comprises a gas mixing pipe and a gas connecting pipe, wherein the gas connecting pipe is positioned at the front side of the gas mixing pipe, gas enters the gas connecting pipe from a burner, one end of the gas connecting pipe, which extends into the combustion space, is sleeved with a first installation pipe, the outer part of the gas mixing pipe is sleeved with a second installation pipe, and the outer wall surfaces of the first installation pipe and the second installation pipe are provided with fixing legs. The energy consumption of the external circulation operation is reduced, the central temperature of the flame is effectively reduced, and the emission of pollutants is reduced.
Description
Technical Field
The utility model relates to a combustor spray tube technical field especially relates to an utilize combustor spray tube of venturi principle.
Background
With the increasing national requirements for environment, the pollutant emission requirements of the combustor are also increased, the flue gas external circulation system of the combustor cannot meet the requirements, and the internal circulation technology of the combustor is particularly important.
At present, a spray pipe of a combustor is directly sprayed into equipment for combustion, so that flame concentration is easily caused, and the emission is easily ultrahigh.
The prior art has the following disadvantages:
1. the flame is concentrated, the central temperature of the flame is high, and the emission exceeds the standard.
2. The external circulation operation has high energy consumption.
To this end, we propose a burner nozzle using the venturi principle.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems existing in the prior art and provides a burner nozzle utilizing the Venturi principle.
In order to realize the purpose, the utility model discloses a following technical scheme, a utilize combustor spray tube of venturi principle, take over including gas mixing pipe and gas, the front side of a gas mixing pipe is taken over to the gas, and the gas gets into by the combustor the gas is taken over, the one end of deepening the combustion space that the gas was taken over has cup jointed installation pipe one, installation pipe two has been cup jointed to gas mixing pipe's outside, be provided with fixed leg on the outer wall of installation pipe one and installation pipe two.
Preferably, the outer cylindrical wall surface of the gas connecting pipe is provided with fixing holes which are arranged at equal intervals, and after the gas connecting pipe is sleeved on the first mounting pipe, the gas connecting pipe and the first mounting pipe are tightly fixed through a fixing bolt.
Preferably, the outer cylindrical wall surface of the second mounting pipe is also provided with a fixing hole, the gas mixing pipe is sleeved into the second mounting pipe, the gas mixing pipe can slide in the second mounting pipe, and the gas mixing pipe and the second mounting pipe are tightly fixed through a bolt.
Preferably, the fixed legs are arranged on the outer cylindrical wall surfaces of the first mounting pipe and the fixed legs at equal intervals, and the gas mixing pipe and the gas connecting pipe are connected together through the arranged fixed legs.
Preferably, the inner diameter of the first installation pipe is gradually reduced from the front side to the rear side, and the inner diameter of the outlet of the first installation pipe is smaller than the inner diameter of the inlet of the gas mixing pipe.
Advantageous effects
The utility model provides an utilize combustor spray tube of venturi principle. The method has the following beneficial effects:
1. the burner nozzle utilizing the Venturi principle is provided with the gas mixing pipe and the gas connecting pipe, gas firstly enters the gas connecting pipe from a burner, the gas enters the gas mixing pipe through the mounting pipe arranged on the rear side of the gas connecting pipe, and in the process of injecting the gas into the gas mixing pipe through the mounting pipe with the gradually reduced inner diameter, because the speed of the gas entering the gas connecting pipe is high, when the gas is injected into the gas mixing pipe through the mounting pipe at a high speed, negative pressure is generated at the gap between the mounting pipe and the gas mixing pipe, the generated negative pressure can adsorb the low-oxygen-content flue gas which is combusted in a combustion space, so that part of the flue gas enters the gas mixing pipe again through the gap between the mounting pipe and the gas mixing pipe to be mixed with the gas, the flue gas is injected from the rear end of the gas mixing pipe to enter the combustion space to reciprocate, the combustion efficiency of flue gas is improved, the energy consumption of extrinsic cycle operation has been reduced to effectual reduction flame core temperature reduces the emission of pollutant.
2. This utilize combustor spray tube of venturi principle, through being provided with fixed leg and installation pipe two, the gas mixing tube enters into the inside back of installation pipe two at the joint, the surface that passes the tight gas mixing tube in hole top that installation pipe two surfaces were seted up through fixing bolt is with the rigidity of whole gas mixing tube, thereby the gas mixing tube can carry out the clearance size between certain limit's position control installation pipe one and the gas mixing tube in the inside of installation pipe two, and then adjust the size of the flue gas volume of inhaling the gas mixing tube. And the gas is taken over and is cup jointed behind the surface of installation pipe one, also tightly fixes the position through fixing bolt top, when long-time work leads to installation pipe one and installation pipe two to need to be changed, through dismantling the gas and take over and the fixing bolt that installation pipe two surfaces set up can be with gas mixing pipe, installation pipe one, installation pipe two and the whole dismantlements of fixed leg, conveniently change.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
FIG. 1 is a general schematic view of the present invention;
fig. 2 is a side view of the present invention;
fig. 3 is a schematic view of the internal structure of the present invention.
Illustration of the drawings:
1. a gas mixing tube; 2. a gas connecting pipe; 3; mounting pipes I and 4 and mounting pipes II; 5. and fixing the legs.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment is as follows: a burner spray pipe utilizing a Venturi principle is disclosed, as shown in figures 1-3, the burner spray pipe comprises a gas mixing pipe 1 and a gas connecting pipe 2, wherein the gas connecting pipe 2 is arranged on the front side of the gas mixing pipe 1, gas enters the gas connecting pipe 2 from a burner, one end, deep into a combustion space, of the gas connecting pipe 2 is sleeved with a first mounting pipe 3, a second mounting pipe 4 is sleeved outside the gas mixing pipe 1, fixing legs 5 are arranged on the outer wall surfaces of the first mounting pipe 3 and the second mounting pipe 4, the fixing legs 5 are arranged on the outer cylindrical wall surfaces of the first mounting pipe 3 and the fixing legs 5 at equal intervals, the gas mixing pipe 1 and the gas connecting pipe 2 are connected together through the arranged fixing legs 5, and the number of the fixing legs 5 can be changed freely on the premise of guaranteeing rigidity.
The gas mixing pipe 2 is characterized in that fixing holes which are arranged at equal intervals are formed in the outer cylindrical wall surface of the gas connecting pipe 2, the gas connecting pipe 2 is sleeved on the first mounting pipe 3 and is tightly fixed with the first mounting pipe 3 through fixing bolts, fixing holes are also formed in the outer cylindrical wall surface of the second mounting pipe 4, the gas mixing pipe 1 is sleeved into the second mounting pipe 4, the gas mixing pipe 1 can slide in the second mounting pipe 4 and is tightly fixed with the second mounting pipe 4 through bolts, the gas mixing pipe 1 can be adjusted in position in the second mounting pipe 4 within a certain range so as to adjust the size of a gap between the first mounting pipe 3 and the gas mixing pipe 1, and when the first mounting pipe 3 and the second mounting pipe 4 need to be replaced due to long-time work, the gas mixing pipe 1 can be replaced by detaching the fixing bolts arranged on the surfaces of the gas connecting pipe 2 and the second mounting pipe 4, The first mounting pipe 3, the second mounting pipe 4 and the fixing legs 5 are all detached, and replacement is convenient.
The inner diameter of the first mounting pipe 3 is gradually reduced from the front side to the rear side, the inner diameter of the outlet of the first mounting pipe 3 is smaller than the inner diameter of the inlet of the gas mixing pipe 1, gas firstly enters the inside of the gas connecting pipe 2 from a burner and then enters the gas mixing pipe 1 through the first mounting pipe 3 arranged on the rear side of the gas connecting pipe 2, and in the process that the gas is injected into the gas mixing pipe 1 through the first mounting pipe 3 with the gradually reduced inner diameter, because the speed of the gas entering the inside of the gas connecting pipe 2 is high, when the gas is injected into the gas mixing pipe 1 through the first mounting pipe 3 at a high speed, negative pressure is generated at the gap between the first mounting pipe 3 and the gas mixing pipe 1, the generated negative pressure can adsorb the gas with low oxygen content after combustion in a combustion space, so that a part of the gas enters the inside of the gas mixing pipe 1 again through the gap between the first mounting pipe 3 and the gas mixing pipe 1 to be mixed with the gas, the flue gas and the gas are mixed and then are sprayed out from the rear end of the gas mixing pipe 1 to enter the combustion space to reciprocate, the combustion efficiency of the flue gas is improved, the energy consumption of the external circulation operation is reduced, the central temperature of flame is effectively reduced, and the emission of pollutants is reduced.
The utility model discloses a theory of operation:
through the arrangement of the gas mixing pipe 1 and the gas connecting pipe 2, gas firstly enters the gas connecting pipe 2 from a burner, enters the gas mixing pipe 1 through the mounting pipe I3 arranged at the rear side of the gas connecting pipe 2, and during the process that the gas is injected into the gas mixing pipe 1 through the mounting pipe I3 with the gradually reduced inner diameter, because the gas is fast when entering the gas connecting pipe 2, when the gas is injected into the gas mixing pipe 1 through the mounting pipe I3 at a high speed, negative pressure is generated at the gap between the mounting pipe I3 and the gas mixing pipe 1, the generated negative pressure can adsorb the gas with low oxygen content after combustion in a combustion space, so that part of the gas enters the gas mixing pipe 1 again through the gap between the mounting pipe I3 and the gas mixing pipe 1 to be mixed with the gas, the gas is sprayed out from the rear end of the gas mixing pipe 1 after being mixed with the gas and enters the combustion space to reciprocate, the combustion efficiency of the flue gas is improved, the energy consumption of the external circulation operation is reduced, and therefore the central temperature of the flame is effectively reduced, and the emission of pollutants is reduced.
Through being provided with fixed leg 5 and installation pipe two 4, gas mixing pipe 1 enters into the inside back of installation pipe two 4 at the joint, the surface that passes the tight gas mixing pipe in hole top 1 that installation pipe two 4 surfaces were seted up through fixing bolt is with whole gas mixing pipe 1's rigidity, thereby gas mixing pipe 1 can carry out the clearance size between certain limit's position control adjustment installation pipe one 3 and gas mixing pipe 1 in the inside of installation pipe two 4, and then adjust the size of the flue gas volume of inhaling gas mixing pipe 1. And gas takeover 2 also through the tight fixed position in fixing bolt top after cup jointing the surface of installation pipe one 3, when long-time work leads to installation pipe one 3 and installation pipe two 4 to need to be changed, can conveniently change gas mixing pipe 1, installation pipe one 3, installation pipe two 4 and the whole dismantlements of fixed leg 5 through the fixing bolt who dismantles gas takeover 2 and installation pipe two 4 surface settings.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A burner nozzle using Venturi principle comprises a gas mixing pipe (1) and a gas connecting pipe (2), and is characterized in that: the gas is taken over the front side of (2) position gas mixing pipe (1), and the gas gets into by the combustor gas is taken over (2), the one end deep in the combustion space of gas taking over (2) has cup jointed installation pipe (3), the outside of gas mixing pipe (1) has cup jointed installation pipe two (4), be provided with on the outer wall of installation pipe one (3) and installation pipe two (4) fixed leg (5).
2. A venturi-based burner nozzle as defined in claim 1, wherein: the outer cylindrical wall surface of the gas connecting pipe (2) is provided with fixing holes which are arranged at equal intervals, the gas connecting pipe (2) is sleeved on the first installation pipe (3), and the gas connecting pipe (2) and the first installation pipe (3) are tightly fixed through a bolt.
3. A venturi-based burner nozzle as defined in claim 1, wherein: the outer cylinder wall of installation pipe two (4) has also seted up the fixed orifices, and gas mixing tube (1) cup joints the inside that enters into installation pipe two (4), and gas mixing tube (1) can slide in the inside of installation pipe two (4), and is fixed through the bolt top between gas mixing tube (1) and the installation pipe two (4).
4. A venturi-based burner nozzle as defined in claim 1, wherein: the fixed legs (5) are arranged on the outer cylindrical wall surfaces of the first mounting pipe (3) and the fixed legs (5) at equal intervals, and the gas mixing pipe (1) and the gas connecting pipe (2) are connected together through the arranged fixed legs (5).
5. A venturi-based burner nozzle as defined in claim 1, wherein: the inner diameter of the first installation pipe (3) is gradually reduced from the front side to the rear side, and the inner diameter of the outlet of the first installation pipe (3) is smaller than the inner diameter of the inlet of the gas mixing pipe (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122153434.3U CN216010850U (en) | 2021-09-07 | 2021-09-07 | Burner nozzle utilizing Venturi principle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122153434.3U CN216010850U (en) | 2021-09-07 | 2021-09-07 | Burner nozzle utilizing Venturi principle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216010850U true CN216010850U (en) | 2022-03-11 |
Family
ID=80592078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122153434.3U Active CN216010850U (en) | 2021-09-07 | 2021-09-07 | Burner nozzle utilizing Venturi principle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216010850U (en) |
-
2021
- 2021-09-07 CN CN202122153434.3U patent/CN216010850U/en active Active
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