CN207999810U - A kind of bushing type blast orifice oxygen burner - Google Patents
A kind of bushing type blast orifice oxygen burner Download PDFInfo
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- CN207999810U CN207999810U CN201721864960.8U CN201721864960U CN207999810U CN 207999810 U CN207999810 U CN 207999810U CN 201721864960 U CN201721864960 U CN 201721864960U CN 207999810 U CN207999810 U CN 207999810U
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- flange
- coal dust
- jet pipe
- cooling water
- oxygen
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Abstract
The utility model discloses a kind of bushing type blast orifice oxygen burners, including oxygen steam injection unit, cooling unit and mounting flange, it further include coal dust injection unit, coal dust injection unit includes the coal dust jet pipe for passing perpendicularly through the mounting flange, the end of coal dust jet pipe is coal dust spout, oxygen steam injection unit includes main jet pipe, and the end of main jet pipe is oxygen steam nozzle;Main jet pipe sleeve is in coal dust jet pipe, and main jet pipe is arranged with coal dust jet pipe coaxial package;The cooling water inlet pipe of cooling unit is connected to cooling water coil after passing through the mounting flange, is connected to cooling water outlet pipe after cooling water coil winding coal dust jet pipe, and cylindric cast, copper body is machined with outside cooling water coil.The coaxial double-tube structure of the utility model forms a fluid stream of " coal packet oxygen ", and increased coal dust injection unit, the extra coal dust that moulded coal manufacture system generates is sent into burner hearth progress auxiliary combustion and provides heat source for the maintenance of furnace high-temperature so that moulded coal is more applied in coal gasification.
Description
Technical field
The utility model is related to a kind of blast orifice oxygen burners, and in particular to a kind of bushing type blast orifice oxygen burner.
Background technology
BGL broken coal slag gasification technologies belong to the gasification furnace of slag tap, and lignite (low-grade coal) locks interval from top by coal
Into gasification furnace, gasification agent steam, oxygen are sprayed into equal angular in stove from the blast orifice oxygen burner of gasification furnace lower part, in
Oxygen-enriched combusting area is formed at the heart, 1500 DEG C or so of the region mean temperature reaches as high as 2200 DEG C or so.Preamble moulded coal adds in factory
Workshop section will produce a large amount of coal dust, if can directly be taken out of in the form of " flying dust " by raw gas by being sent into burner hearth above gasification furnace
The reduction of the gasification efficiency of furnace is caused, therefore considers coal dust being sent directly into the molten slag bath of gasification furnace lower part to burn, for gas
Change reaction and heat source is provided, and then improves the gasification efficiency and raw gas yield of gasification furnace.According to follow-up gas composition
It is required that can also be by heavy oil, the substance that residual oil etc. is difficult to be utilized is sent into progress gasification reaction, can according to practical related operating experience
Improve effective Gas content 1~3%.Follow-up workshop section generates in factory organic liquid waste and exhaust gas can also be used and are sent into high-temperature region
The method of combustion decomposition is handled, and environmental protection of enterprise pressure is mitigated.
Invention content
For the defects in the prior art and insufficient, the utility model provides a kind of bushing type blast orifice oxygen burner,
Overcome the having a single function of existing blast orifice oxygen burner, the defect that the gasification efficiency of gasification furnace is low.
In order to achieve the above objectives, the utility model takes the following technical solution:
A kind of bushing type blast orifice oxygen burner, including oxygen steam injection unit, cooling unit and mounting flange further include
Coal dust injection unit, the coal dust injection unit include the coal dust jet pipe for passing perpendicularly through the mounting flange, the end of coal dust jet pipe
Portion is coal dust spout, and the oxygen steam injection unit includes main jet pipe, and the end of main jet pipe is oxygen steam nozzle;Main jet pipe sleeve fills
In coal dust jet pipe, and main jet pipe is arranged with coal dust jet pipe coaxial package;The cooling water inlet pipe of the cooling unit passes through institute
It is connected to cooling water coil after stating mounting flange, is connected to cooling water outlet pipe after cooling water coil winding coal dust jet pipe, and in cooling
It is machined with cylindric cast, copper body outside water coil.
The utility model also has following distinguishing feature:
Optionally, one end of the coal dust jet pipe is communicated with abutted flange, in the pipe of the coal dust jet pipe close to abutted flange
Coal powder entrance flange is communicated on wall, the other end of coal dust jet pipe is the coal dust spout;The abutted flange is fixedly connected with
Steam oxygen mounting flange, one end of main jet pipe is pierced by the opening steamed oxygen mounting flange and be communicated with three-way pipe, main jet pipe it is another
One end is the oxygen steam nozzle;The another two opening of three-way pipe has been respectively communicated with detection hole flange and oxygen steam flange;It is cooling
The end of water water inlet pipe is connected with cooling water inlet flange, and cooling water outlet pipe is pierced by mounting flange and is connected to cooling water outlet method
It is blue;The cast, copper body is axially parallel to coal dust jet pipe;The coal powder entrance flange, oxygen steam flange, cooling water inlet flange,
Cooling water outlet flange steams the same side that oxygen mounting flange, abutted flange and detection hole flange are respectively positioned on the mounting flange.
Optionally, the detection hole flange, oxygen steam flange, steaming oxygen mounting flange, abutted flange set gradually, and detect
Hole flange, steaming oxygen mounting flange and abutted flange are coaxially laid with mounting flange, and oxygen steam flange is set to mounting flange center
The top of axis;The cooling water inlet flange, cooling water outlet flange and coal powder entrance flange are located at abutted flange and installation
Between flange, cooling water inlet flange, cooling water outlet flange and coal powder entrance flange are each perpendicular to mounting flange laying, cooling
Water inlet flange and coal powder entrance flange are respectively arranged on the left and right sides of mounting flange central axis, and cooling water outlet flange is set to
The lower section of mounting flange central axis.
Optionally, the main jet pipe and coal dust jet pipe are decrement reducer pipe, and main jet pipe is close to oxygen steam nozzle
The diameter of the main jet pipe of one end becomes smaller, and coal dust jet pipe becomes smaller in the diameter of the coal dust jet pipe close to one end of coal dust spout.
Optionally, the cooling water coil is embedded in the cast, copper body through cast copper.
Optionally, the cast, copper body is welded with high temperature resistant, anti-oxidant in one end heap close to oxygen steam nozzle and coal dust spout
And corrosion resistant metal.
Optionally, one end of the cooling water coil is laid close to oxygen steam nozzle and coal dust spout.
Optionally, the oxygen steam nozzle is located at coal dust spout in same vertical plane.
Compared with prior art, beneficial has the technical effect that the utility model:
(I) the utility model is produced moulded coal manufacture system by increasing coal dust injection unit on blast orifice oxygen burner
For raw extra coal dust according to the difference of downstream process, it is height in stove to be sent into burner hearth to carry out auxiliary combustion using different pumped (conveying) mediums
The maintenance of temperature provides heat source so that moulded coal is more applied in coal gasification, while coal dust spout and oxygen steam nozzle is arranged
The fine coal that system generation can be efficiently used, improves the economy of system operation.
(II) in the utility model, cast, copper body surface butt welding corrosion-resistant and high-temperature resistant metal material to coal dust spout and oxygen
Steam nozzle is protected, and can be effectively reduced repair quantity and be ensured the performance parameter of burner.
(III) since the coal dust spout of the oxygen steam nozzle of oxygen steam injection unit and coal dust injection unit is in stove high
Constantly washing away in warm environment, and in gas-solid phase body, easily wears, and therefore, uses heat resistant and wear resistant here
Cobalt-base alloys or ceramic material process coal dust spout and oxygen steam nozzle, can slow down the pulverized coal injection under furnace high-temperature environment
Mouthful and oxygen steam nozzle deform caused by high temperature and abrasion, it is stable and can be effectively sharp to provide a kind of long lifespan
The blast orifice oxygen burner of gasification efficiency is improved with extra coal dust.
(IV) the utility model is set as the structure type of coaxial double-jacket tube by main jet pipe sleeve in coal dust jet pipe, interior
The main jet pipe in portion can be dismantled, and repair is facilitated, further, using the structure shape of main jet pipe and the coaxial double-jacket tube of coal dust jet pipe
Formula forms a fluid stream of " coal packet oxygen ", is equivalent to and is forming one layer of protection gas on burner surface, when oxygen steam flow fluctuates, by
Significant tempering will not be formed on burner surface in the presence of coal dust a fluid stream, and then improve the service life of burner.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model;
Fig. 2 is the left view of the utility model;
Fig. 3 is the sectional view of the main jet pipe of the utility model and the coaxial double-tube structure of coal dust jet pipe;
Each label is expressed as in figure:1- oxygen steam injection units, 2- cooling units, 3- mounting flanges, the injection of 4- coal dusts are single
Member, 5- detection hole flanges, 6- abutted flanges, 7- three-way pipes, 8- steam oxygen mounting flange;
11- main jet pipes, 12- oxygen steam flanges, 13- oxygen steam nozzles;
The cooling water inlets 21- flange, 22- cooling water inlet pipes, 23- cooling water coils, 24- cooling water outlet pipes, 25- castings
Copper body, 26- cooling water outlet flanges;
41- coal dust jet pipes, 42- coal powder entrance flanges, 43- coal dust spouts.
Specific implementation mode
Specific embodiment of the present utility model is described in detail below in conjunction with Figure of description.It should be understood that
It is that specific embodiment described herein is merely to illustrate and explains the utility model is not intended to limit the utility model.
As shown in Figure 1 to Figure 3, a kind of bushing type blast orifice oxygen burner, including oxygen steam injection unit 1, cooling unit 2
Further include coal dust injection unit 4 with mounting flange 3, the coal dust injection unit 4 includes passing perpendicularly through the mounting flange 3
The end of coal dust jet pipe 41, coal dust jet pipe 41 is coal dust spout 43, and the oxygen steam injection unit 1 includes main jet pipe 11, main jet
The end of pipe 11 is oxygen steam nozzle 13;Main jet pipe 11 is sleeved in coal dust jet pipe 41, and main jet pipe 11 and coal dust jet pipe 41 are same
Axle sleeve installing is set;The cooling water inlet pipe 22 of the cooling unit 2 is connected to cooling water coil 23 after passing through the mounting flange 3,
Cooling water coil 23 is connected to cooling water outlet pipe 24 after winding coal dust jet pipe 41, and is machined with cylindrical shape outside cooling water coil 23
Cast, copper body 25.
Through the above technical solutions, by increasing coal dust injection unit 4 on blast orifice oxygen burner, moulded coal is manufactured into system
It is stove that the extra coal dust generated of uniting is sent into burner hearth to carry out auxiliary combustion according to the difference of downstream process using different pumped (conveying) mediums
The maintenance of interior high temperature provides heat source so that moulded coal is more applied in coal gasification;Coal dust spout 43 is set simultaneously and oxygen steams
Vapour spout 13 can efficiently use the fine coal of system generation, improve the economy of system operation;Detection hole flange 5 in the utility model
To the detection device of connecting detection furnace flame;Main jet pipe 11 is sleeved in coal dust jet pipe 41 by the utility model, is set as
The structure type of coaxial double-jacket tube, internal main jet pipe 11 can be dismantled, and facilitate repair, further, using 11 He of main jet pipe
The structure type of the coaxial double-jacket tube of coal dust jet pipe 41 forms a fluid stream of " coal packet oxygen ", is equivalent to and is forming one on burner surface
Layer protection gas, when oxygen steam flow fluctuates, since the presence of coal dust a fluid stream will not form significant tempering on burner surface, into
And improve the service life of burner;In the utility model, 25 surface butt welding corrosion-resistant and high-temperature resistant of cast, copper body metal material to coal dust
Spout 43 and oxygen steam nozzle 13 are protected, and can be effectively reduced repair quantity and be ensured the performance parameter of burner;Since oxygen steams
The oxygen steam nozzle 13 of vapour injection unit 1 and the coal dust spout 43 of coal dust injection unit 4 are in furnace high-temperature environment, and are in
Constantly washing away for gas-solid phase body, easily wears, therefore uses the cobalt-base alloys or ceramics of heat resistant and wear resistant here
Material processes coal dust spout 43 and oxygen steam nozzle 13, can slow down coal dust spout 43 and oxygen steam under furnace high-temperature environment
Spout 13 deforms caused by high temperature and abrasion, stable and can efficiently use extra coal to provide a kind of long lifespan
Powder improves the blast orifice oxygen burner of gasification efficiency.
In one embodiment, one end of coal dust jet pipe 41 is communicated with abutted flange 6, in the coal close to abutted flange 6
Coal powder entrance flange 42 is communicated on the tube wall of powder jet pipe 41, the other end of coal dust jet pipe 41 is the coal dust spout 43;Docking
Flange 6, which is fixedly connected with, steams oxygen mounting flange 8, and one end of main jet pipe 11, which is pierced by, steams oxygen mounting flange 8 and be communicated with three-way pipe 7
The other end of one opening, main jet pipe 11 is the oxygen steam nozzle 13;The another two opening of three-way pipe 7 has been respectively communicated with detection
Hole flange 5 and oxygen steam flange 12;The end of cooling water inlet pipe 22 is connected with cooling water inlet flange 21, cooling water outlet pipe
24 are pierced by mounting flange 3 and are connected to cooling water outlet flange 26;The cast, copper body 25 is axially parallel to coal dust jet pipe 41;Coal dust
Inlet flange 42, cooling water inlet flange 21, cooling water outlet flange 26, steams oxygen mounting flange 8, docking at oxygen steam flange 12
Flange 6 and detection hole flange 5 are respectively positioned on the same side of the mounting flange 3.Steam oxygen mounting flange 8 and the cooperation peace of abutted flange 6
Dress is to which main jet pipe 11 to be sleeved in coal dust jet pipe 41;Coal powder entrance flange 42, oxygen steam flange 12, cooling water inlet flange
21 with cooling water outlet flange 26 be respectively used to be fixedly connected coal dust feeding mechanism, oxygen steam storage apparatus, cooling water water source and
Drainage arrangement, cast, copper body 25 protect coal dust spout 43 and oxygen steam nozzle 13, can effectively reduce repair quantity and ensure
The performance parameter of burner.
In Fig. 1 and specific implementation mode shown in Fig. 2, detection hole flange 5, steams oxygen mounting flange at oxygen steam flange 12
8, abutted flange 6 is set gradually, and detection hole flange 5, steam oxygen mounting flange 8 and abutted flange 6 with 3 coaxial cloth of mounting flange
If oxygen steam flange 12 is set to the top of 3 central axis of mounting flange;Cooling water inlet flange 21, cooling water outlet flange 26
And coal powder entrance flange 42 is between abutted flange 6 and mounting flange 3, cooling water inlet flange 21, cooling water outlet flange
26 and coal powder entrance flange 42 be each perpendicular to the laying of mounting flange 3, cooling water inlet flange 21 and coal powder entrance flange 42 are distinguished
Set on the left and right sides of 3 central axis of mounting flange, cooling water outlet flange 26 is set to the lower section of 3 central axis of mounting flange,
On the one hand the laying mode of each flange can rationally utilize the space of 3 side of mounting flange as far as possible, on the other hand can be advantageous
In the corresponding equipment of each flanged joint, while it ensure that the beauty of whole device.In other embodiments, Ge Gefa
Installation can also be fixed by layings modes such as other common orientation up and down or left and right orientation between orchid, be attained by conjunction
Reason utilizes the space of 3 side of mounting flange and ensures the purpose of whole device beauty.
As shown in figure 3, in specific implementation mode provided by the utility model, main jet pipe 11 and coal dust jet pipe 41 are to subtract
Contracting reducer pipe, and main jet pipe 11 becomes smaller in the diameter of the main jet pipe 11 close to one end of oxygen steam nozzle 13, coal dust jet pipe 41 exists
Diameter close to the coal dust jet pipe 41 of one end of coal dust spout 43 becomes smaller, by the main jet pipe 11 and coal dust jet pipe 41 of necking down setting
It can achieve the purpose that speed-raising, and spray into oxygen steam or coal dust in burner hearth after raising speed, improve working efficiency.
In one embodiment, cooling water coil 23 is embedded in cast, copper body 25 through cast copper, can be to cast, copper body
25 are cooled down, to extend the service life of burner.
In another embodiment, cast, copper body 25 is welded in one end heap close to oxygen steam nozzle 13 and coal dust spout 41
High temperature resistant, anti-oxidant and corrosion resistant metal avoid under furnace high-temperature environment oxygen steam nozzle 13 and coal dust spout 41 because of height
Temperature causes to deform, and effectively extends the service life of burner, reduces maintenance frequency and ensures the performance parameter of burner.
In one embodiment, one end of cooling water coil 23 is laid close to oxygen steam nozzle 13 and coal dust spout 41,
The temperature for reducing the oxygen steam nozzle 13 and coal dust spout 41 under furnace high-temperature environment as far as possible, effectively extends making for burner
With the service life, reduces maintenance frequency and ensure the performance parameter of burner.
Preferred embodiments of the present invention, still, the utility model and unlimited are described in detail above in association with attached drawing
Detail in the above embodiment can be to the skill of the utility model in the range of the technology design of the utility model
Art scheme carries out a variety of simple variants, these simple variants belong to the scope of protection of the utility model.
It is further to note that specific technical features described in the above specific embodiments, in not lance
In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the utility model is to each
The possible combination of kind no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the utility model, as long as it is not disobeyed
The thought for carrying on the back the utility model, equally should be considered as content disclosed in the utility model.
Claims (8)
1. a kind of bushing type blast orifice oxygen burner, including oxygen steam injection unit (1), cooling unit (2) and mounting flange
(3), which is characterized in that further include coal dust injection unit (4), the coal dust injection unit (4) includes passing perpendicularly through the installation
The end of the coal dust jet pipe (41) of flange (3), coal dust jet pipe (41) is coal dust spout (43), the oxygen steam injection unit (1)
Including main jet pipe (11), the end of main jet pipe (11) is oxygen steam nozzle (13);Main jet pipe (11) is sleeved on coal dust jet pipe (41)
It is interior, and main jet pipe (11) is arranged with coal dust jet pipe (41) coaxial package;The cooling water inlet pipe (22) of the cooling unit (2) is worn
It crosses the mounting flange (3) and is connected to cooling water coil (23) afterwards, cooling water coil (23) winding coal dust jet pipe (41) is connected to cold afterwards
But water outlet pipe (24), and it is machined with cylindric cast, copper body (25) outside cooling water coil (23).
2. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that one end of the coal dust jet pipe (41)
It is communicated with abutted flange (6), coal powder entrance flange is communicated on the tube wall close to the coal dust jet pipe (41) of abutted flange (6)
(42), the other end of coal dust jet pipe (41) is the coal dust spout (43);The abutted flange (6), which is fixedly connected with, steams oxygen installation
Flange (8), one end of main jet pipe (11) are pierced by the opening steamed oxygen mounting flange (8) and be communicated with three-way pipe (7), main jet pipe
(11) the other end is the oxygen steam nozzle (13);The another two opening of three-way pipe (7) has been respectively communicated with detection hole flange (5)
With oxygen steam flange (12);The end of cooling water inlet pipe (22) is connected with cooling water inlet flange (21), cooling water outlet pipe
(24) it is pierced by mounting flange (3) and is connected to cooling water outlet flange (26);The cast, copper body (25) is axially parallel to pulverized coal injection
It manages (41);The coal powder entrance flange (42), oxygen steam flange (12), cooling water inlet flange (21), cooling water outlet flange
(26), the same side that oxygen mounting flange (8), abutted flange (6) and detection hole flange (5) are respectively positioned on the mounting flange (3) is steamed.
3. bushing type blast orifice oxygen burner as claimed in claim 2, which is characterized in that the detection hole flange (5), oxygen steam
Vapour flange (12), steaming oxygen mounting flange (8), abutted flange (6) are set gradually, and detection hole flange (5), steaming oxygen mounting flange
(8) and abutted flange (6) is with the coaxial laying of mounting flange (3), and oxygen steam flange (12) is set on mounting flange (3) central axis
Top;The cooling water inlet flange (21), cooling water outlet flange (26) and coal powder entrance flange (42) are located at rendezvous method
Between blue (6) and mounting flange (3), cooling water inlet flange (21), cooling water outlet flange (26) and coal powder entrance flange
(42) it is each perpendicular to mounting flange (3) laying, cooling water inlet flange (21) and coal powder entrance flange (42) are respectively arranged on installation
The left and right sides of flange (3) central axis, cooling water outlet flange (26) are set to the lower section of mounting flange (3) central axis.
4. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that the main jet pipe (11) and pulverized coal injection
Pipe (41) is decrement reducer pipe, and main jet pipe (11) is in the diameter of the main jet pipe (11) close to one end of oxygen steam nozzle (13)
Become smaller, coal dust jet pipe (41) becomes smaller in the diameter of the coal dust jet pipe (41) close to one end of coal dust spout (43).
5. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that the cooling water coil (23) be through
Cast copper is embedded in the cast, copper body (25).
6. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that the cast, copper body (25) is close to oxygen
One end heap of steam nozzle (13) and coal dust spout (43) is welded with high temperature resistant, anti-oxidant and corrosion resistant metal.
7. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that the one of the cooling water coil (23)
It is laid close to oxygen steam nozzle (13) and coal dust spout (43) at end.
8. bushing type blast orifice oxygen burner as described in claim 1, which is characterized in that the oxygen steam nozzle (13) and coal
Powder spout (43) is located in same vertical plane;To make cooling water coil (23) and cast, copper body (25) that can be sprayed simultaneously to oxygen steam
Mouth (13) and coal dust spout (43) are cooled down and are protected, and avoid deforming caused by high temperature and abrasion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864960.8U CN207999810U (en) | 2017-12-27 | 2017-12-27 | A kind of bushing type blast orifice oxygen burner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864960.8U CN207999810U (en) | 2017-12-27 | 2017-12-27 | A kind of bushing type blast orifice oxygen burner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207999810U true CN207999810U (en) | 2018-10-23 |
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ID=63835016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864960.8U Active CN207999810U (en) | 2017-12-27 | 2017-12-27 | A kind of bushing type blast orifice oxygen burner |
Country Status (1)
| Country | Link |
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| CN (1) | CN207999810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681959A (en) * | 2022-11-08 | 2023-02-03 | 大唐长山热电厂 | Efficient and convenient combustor for thermal power plant |
-
2017
- 2017-12-27 CN CN201721864960.8U patent/CN207999810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115681959A (en) * | 2022-11-08 | 2023-02-03 | 大唐长山热电厂 | Efficient and convenient combustor for thermal power plant |
| CN115681959B (en) * | 2022-11-08 | 2023-06-16 | 大唐长山热电厂 | High-efficient convenient combustor is used in thermal power plant |
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