CN211290019U - Full premix combustor with can dismantle burning head - Google Patents
Full premix combustor with can dismantle burning head Download PDFInfo
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- CN211290019U CN211290019U CN201921940564.8U CN201921940564U CN211290019U CN 211290019 U CN211290019 U CN 211290019U CN 201921940564 U CN201921940564 U CN 201921940564U CN 211290019 U CN211290019 U CN 211290019U
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Abstract
A full premix burner with a detachable burner head relates to the technical field of design of full premix burners. The utility model comprises a fan and a combustion head; the inlet of the fan is connected with an air purifier; the fan is connected with the boiler door plate through the overhaul base and is hinged with the overhaul base; the overhaul seat is a pipe body, one end of the pipe body is provided with a burner connecting flange used for being connected with a boiler door plate, the other end of the pipe body is provided with a circular buffer plate, and an outlet of the fan is communicated and connected with an inner cavity of the overhaul seat; the rear end of the combustion head is provided with a combustion head connecting flange, the combustion head penetrates through the overhaul base and extends into the boiler body of the boiler, and the combustion head connecting flange and the combustor connecting flange are detachably connected on the inner side of the overhaul base through bolts; a locking mechanism for locking the fan and the overhaul seat is arranged at the opening and closing position of the fan and the overhaul seat; the peripheral wall of the maintenance seat is provided with a gas inlet. The utility model discloses need not to dismantle the combustor wholly when maintaining and get off, improved the convenience of maintaining maintenance and installation.
Description
Technical Field
The utility model relates to a design technical field of full premix combustor.
Background
In the boiler manufacturing industry, particularly for a standard three-pass gas boiler, if a traditional burner is used, a large amount of nitrogen and oxygen in the air can be catalyzed to form nitrogen oxides due to the existence of local high temperature, the emission of the nitrogen oxides seriously pollutes the atmosphere, and the full premix burner fully premixes fuel and air before combustion, so that the full combustion degree is high, and the efficiency is higher. The metal fiber burner appearing in recent years is a full premix burner, and special metal fibers are used as a combustion surface, so that the combustion of gas is very stable, the temperature distribution is uniform, no local high temperature exists, and the generation of NOx is inhibited. However, since the fire holes of the metal fibers are very fine and dense, and air can generate certain small particles during combustion, the metal mesh surface is easily blocked, and in use, the combustion head needs to be detached for periodic cleaning.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a convenient full premix combustor who has the detachable combustion head who maintains to above problem.
The utility model comprises a fan and a combustion head; the inlet of the fan is connected with an air purifier; the fan is connected with the boiler door plate through the overhaul base, and the fan is hinged with the overhaul base; the maintenance seat is a pipe body, one end of the maintenance seat is provided with a burner connecting flange used for being connected with a boiler door plate, the other end of the maintenance seat is provided with a circular buffer plate, and an outlet of the fan is communicated and connected with an inner cavity of the maintenance seat;
the rear end of the combustion head is provided with a combustion head connecting flange, the combustion head penetrates through the overhaul base and extends into the boiler body of the boiler, and the combustion head connecting flange and the combustor connecting flange are detachably connected on the inner side of the overhaul base through bolts;
a locking mechanism for locking the fan and the maintenance seat is arranged at the opening and closing position of the fan and the maintenance seat; and a gas inlet is formed in the peripheral wall of the maintenance seat.
The utility model discloses a structure that burning head, fan are connected with the maintenance seat respectively, when needs are maintained and are overhauld, only need open the locking mechanism of fan and maintenance seat, because be hinged joint between fan and the maintenance seat, push away the fan after, pull down the bolt between first flange of burning and the combustor flange, can directly take out the burning head alone, put into the burning head again after maintaining, lock the locking mechanism of fan and maintenance seat. The utility model discloses need not to dismantle the combustor wholly when maintaining and get off, alleviateed workman's work load greatly, improved the convenience of maintaining maintenance and installation.
The utility model discloses set up first support on the body periphery wall of maintenance seat set up the second support on the fan casing, hinged joint between first support and the second support makes the fan arrange with maintenance seat open-close type. The labor load of workers is reduced, and the convenience of maintenance, overhaul and installation is improved.
The locking mechanism of the utility model comprises a concave seat body and a connecting plate matched with the concave seat body, wherein the concave seat body is fixedly connected on the outer side wall of the maintenance seat; one end of the connecting plate is connected with the fan shell through a bolt; when the fan is combined with the maintenance seat, the free end of the connecting plate is inserted into the groove of the concave seat body; a first through hole is formed in the groove wall of one side of the groove of the concave seat body, and a third counter bore is coaxially formed in the groove wall of the other side of the groove; the connecting plate is provided with a second through hole, and when the connecting plate is inserted into the groove of the concave seat body, the second through hole and the first through hole are coaxially arranged; positioning pins are arranged in the first through hole, the second through hole and the third counter bore in a penetrating mode and are used for positioning and connecting the connecting plate and the concave seat body. Utility model locking mechanism's aim at lets the fan hug closely together through locking mechanism with the maintenance seat, reaches the locking purpose, and no external human action is spent, can not open by oneself, consequently the utility model discloses locking mechanism is not limited to this structure.
The utility model discloses the air outlet one end fixed connection annular slab of fan overhaul the ring shape buffer board of seat and global set up the annular groove the global setting of annular slab and annular groove complex annular arch, fan and overhaul the seat and be in when under the locking state, annular arch sets up in the annular groove. Annular bulge and annular groove can play a positioning action when closing the fan, and large boiler's fan weight is heavier, adopts the buffer board can alleviate the fan impact force to examining and repairing the seat when closing, improves the life who examines and repair the seat, can also strengthen sealing performance.
The combustion head of the utility model comprises a stainless steel hollow pipe body, wherein the stainless steel hollow pipe body is formed by combining a combustion section positioned at the front end and a blind area section positioned behind the combustion section; a plurality of fire outlets are arranged on the periphery of the stainless steel hollow pipe body of the combustion section, and a metal fiber braided layer is coated on the periphery of the stainless steel hollow pipe body of the combustion section; and heat insulation cotton is sleeved on the periphery of the stainless steel hollow pipe body of the blind section, and a heat insulation cylinder is sleeved on the periphery of the heat insulation cotton. The blind area of the combustion head is additionally provided with the heat insulation cotton and the heat insulation cylinder, so that the influence of the heat radiated by high temperature in the furnace on the combustion head is effectively prevented, and the service life of the combustion head is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a right side view of fig. 1.
Fig. 4 is an enlarged view of a portion B of fig. 2.
Fig. 5 is an enlarged sectional view of a portion a of fig. 4.
Fig. 6 is a schematic structural view of the burner head of the present invention.
Detailed Description
As shown in fig. 1, 2, 3, 4, 5 and 6, the utility model is provided with a fan 1, a combustion head 2 and an overhaul seat 3.
The overhaul seat 3 is a pipe body, one end of the pipe body is provided with a burner connecting flange 6 used for being connected with the boiler door plate 4, and the other end of the pipe body is provided with a circular buffer plate 7; the outer peripheral wall of the overhaul base 3 is provided with a gas inlet 16.
A first support 13 is arranged on the peripheral wall of the tube body of the overhaul base 3, a second support 14 is arranged on the shell of the fan 1, and the first support 13 and the second support 14 are connected through a hinge, so that the fan 1 and the overhaul base 3 can be arranged in an opening and closing manner; the outlet of the fan 1 is communicated with the inner cavity of the overhaul base 3.
And a locking mechanism 15 for locking the fan 1 and the overhaul base 3 is arranged at the opening and closing position of the fan 1 and the overhaul base 3. The locking mechanism 15 comprises a concave seat body 15-1 and a connecting plate 15-2 matched with the concave seat body 15-1, and the concave seat body 15-1 is fixedly connected to the outer side wall of the overhaul seat 3; the connecting plate 15-2 is connected with the fan 1 through bolts.
When in a locking state, the front end of the connecting plate 15-2 is inserted into the groove of the concave seat body 15-1; a first through hole 17 is arranged on the groove wall of one side of the groove of the concave seat body 15-1, and a third counter bore 19 is coaxially arranged on the groove wall of the other side; a second through hole 18 is arranged on the connecting plate 15-2, and when the connecting plate 15-2 is inserted into the groove of the concave seat body 15-1, the second through hole 18 and the first through hole 17 are coaxially arranged; positioning pins 16 are arranged in the first through hole 17, the second through hole 18 and the third counter bore 19 in a penetrating way and are used for positioning and connecting the connecting plate 15-2 and the concave seat body 15-1.
A connection annular plate 20 is fixed at one end of an air outlet of the fan 1, an annular groove 7-1 is formed in the circumferential surface of a circular buffer plate 7 of the overhaul base 3, an annular bulge 20-1 matched with the annular groove 7-1 is formed in the circumferential surface of the annular plate 20, and when the fan 1 and the overhaul base 3 are in a locking state, the annular bulge 20-1 is arranged in the annular groove 7-1.
The combustion head 2 comprises a stainless steel hollow pipe body, and the stainless steel hollow pipe body is formed by combining a combustion section 2-1 positioned at the front end and a blind area section 2-2 positioned behind the combustion section 2-1; a plurality of fire outlets 8 are arranged on the periphery of the stainless steel hollow pipe body of the combustion section 2-1, and a metal fiber braided layer 9 is coated on the periphery of the stainless steel hollow pipe body of the combustion section 2-1; the periphery of the stainless steel hollow pipe body of the blind zone section 2-2 is sleeved with heat insulation cotton 10, and the periphery of the heat insulation cotton 10 is sleeved with a heat insulation cylinder 11.
The rear end of the blind section 2-2 of the combustion head is provided with a combustion head connecting flange 12, the combustion head 2 penetrates through the overhaul base 3 and extends into the boiler body of the boiler, and the combustion head connecting flange 12 and the combustor connecting flange 6 are detachably connected on the inner side of the overhaul base 3 through bolts.
Claims (5)
1. A full premix burner with detachable burner head, including the blower, burner head; the inlet of the fan is connected with an air purifier; the method is characterized in that: the fan is connected with the boiler door plate through the overhaul base, and the fan is hinged with the overhaul base; the maintenance seat is a pipe body, one end of the maintenance seat is provided with a burner connecting flange used for being connected with a boiler door plate, the other end of the maintenance seat is provided with a circular buffer plate, and an outlet of the fan is communicated and connected with an inner cavity of the maintenance seat;
the rear end of the combustion head is provided with a combustion head connecting flange, the combustion head penetrates through the overhaul base and extends into the boiler body of the boiler, and the combustion head connecting flange and the combustor connecting flange are detachably connected on the inner side of the overhaul base through bolts;
a locking mechanism for locking the fan and the maintenance seat is arranged at the opening and closing position of the fan and the maintenance seat; and a gas inlet is formed in the peripheral wall of the maintenance seat.
2. The full premix burner with a detachable burner head as claimed in claim 1, wherein: the outer peripheral wall of the tube body of the overhaul seat is provided with a first support, the fan shell is provided with a second support, and the first support and the second support are connected through a hinge, so that the fan and the overhaul seat can be arranged in an opening-closing mode.
3. The full premix burner with a detachable burner head as claimed in claim 1, wherein: the locking mechanism comprises a concave seat body and a connecting plate matched with the concave seat body, and the concave seat body is fixedly connected to the outer side wall of the overhaul seat; one end of the connecting plate is connected with the fan shell through a bolt; when the fan is combined with the maintenance seat, the free end of the connecting plate is inserted into the groove of the concave seat body; a first through hole is formed in the groove wall of one side of the groove of the concave seat body, and a third counter bore is coaxially formed in the groove wall of the other side of the groove; the connecting plate is provided with a second through hole, and when the connecting plate is inserted into the groove of the concave seat body, the second through hole and the first through hole are coaxially arranged; positioning pins are arranged in the first through hole, the second through hole and the third counter bore in a penetrating mode and are used for positioning and connecting the connecting plate and the concave seat body.
4. The full premix burner with a detachable burner head as claimed in claim 1, wherein: the air outlet one end fixed connection annular plate of fan the ring shape buffer board of examining and repairing the seat sets up annular groove global the annular plate global set up with annular groove complex annular arch, when fan and examining and repairing the seat and being in under the locking condition, annular arch sets up in annular groove.
5. The full premix burner with a detachable burner head as claimed in claim 1, wherein: the combustion head comprises a stainless steel hollow pipe body, and the stainless steel hollow pipe body is formed by combining a combustion section positioned at the front end and a blind area section positioned behind the combustion section; a plurality of fire outlets are arranged on the periphery of the stainless steel hollow pipe body of the combustion section, and a metal fiber braided layer is coated on the periphery of the stainless steel hollow pipe body of the combustion section; and heat insulation cotton is sleeved on the periphery of the stainless steel hollow pipe body of the blind section, and a heat insulation cylinder is sleeved on the periphery of the heat insulation cotton.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940564.8U CN211290019U (en) | 2019-11-12 | 2019-11-12 | Full premix combustor with can dismantle burning head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921940564.8U CN211290019U (en) | 2019-11-12 | 2019-11-12 | Full premix combustor with can dismantle burning head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211290019U true CN211290019U (en) | 2020-08-18 |
Family
ID=72015059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921940564.8U Active CN211290019U (en) | 2019-11-12 | 2019-11-12 | Full premix combustor with can dismantle burning head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211290019U (en) |
-
2019
- 2019-11-12 CN CN201921940564.8U patent/CN211290019U/en active Active
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