CN208809819U - A kind of coal dust uniform mixing device - Google Patents
A kind of coal dust uniform mixing device Download PDFInfo
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- CN208809819U CN208809819U CN201820759723.3U CN201820759723U CN208809819U CN 208809819 U CN208809819 U CN 208809819U CN 201820759723 U CN201820759723 U CN 201820759723U CN 208809819 U CN208809819 U CN 208809819U
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- mixing duct
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- powder
- powder mixing
- coal dust
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Abstract
The utility model discloses a kind of coal dust uniform mixing devices, are related to coal dust hybrid technology field.The utility model includes mixing duct, and mixing duct one end is fixedly connected with pressure inlet；The pressure inlet other end is fixed with helix tube；Mixing duct includes air inducing pipeline, gas powder mixing duct and powder powder mixing duct；One end face of air inducing pipeline is fixed with sealing plate；One surface of sealing plate is equipped with the first blast pipe and the second blast pipe；Air inducing pipeline other end is fixedly connected with gas powder mixing duct one end；Gas powder mixing duct week, side was provided with two first notches；Two first notches, one surface is respectively equipped with the first feed pipe and the second feed pipe；Gas powder mixing duct other end is fixedly connected with powder powder mixing duct one end.The utility model is uniformly mixed two kinds of coal dusts by mixing duct, pressure inlet and helix tube, solves the problems, such as that existing coal, pulverulent fuel mixer can not while uniformly mix two kinds of coal dusts.
Description
Technical field
The utility model belongs to coal dust hybrid technology field, more particularly to a kind of coal dust uniform mixing device.
Background technique
The low-volatiles such as China's meager coal and anthracite coal resource is extremely abundant, but these coal voidages are low, and dilation is high, coal
Ignition temperature and ignition heat it is high, therefore pole is not easy kindling and after-flame, and peaking operation is very difficult, for high-ash cigarette inferior
For coal, there are many ash content in coal, need to absorb more heat, and the calorific value of ash coal is low, therefore breeze airflow
Burning hot high, kindling is difficult, ignition lag and ignition speed reduce by make in-furnace temperature reduce and can be used for after-flame coke when
Between shorten, coke after-flame will be caused difficult, the problems such as unburned carbon in flue dust increases, therefore bad for low-volatite coal and high ash content
Carrying out mixed firinor fuel burning with fat coal for bituminous coal can be with effective solution problems.
Existing coal, pulverulent fuel mixer is that simple mix with air a kind of coal dust is passed through combustion furnace burning, can not be expired
The requirement that two kinds of coal dusts of foot are uniformly passed through simultaneously, super sea coal and coal dust inferior can be sufficiently mixed by being badly in need of one kind
Mixing arrangement.
Utility model content
The purpose of this utility model is to provide a kind of coal dust uniform mixing devices, pass through mixing duct, pressure inlet and spiral shell
Coil uniformly mixes two kinds of coal dusts, solves existing coal, pulverulent fuel mixer and can not while uniformly mix asking for two kinds of coal dusts
Topic.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of coal dust uniform mixing device, including mixing duct, and described mixing duct one end is fixed to be connected
It is connected to pressure inlet；The pressure inlet other end is fixed with helix tube；The mixing duct includes air inducing pipeline, gas powder mixing duct
With powder powder mixing duct；One end face of air inducing pipeline is fixed with sealing plate；One surface of sealing plate is equipped with the first blast pipe
With the second blast pipe；The air inducing pipeline other end is fixedly connected with gas powder mixing duct one end；The gas powder mixing duct
All sides are provided with two first notches；Two first notch, one surfaces are respectively equipped with the first feed pipe and the second feed pipe；It is described
Gas powder mixing duct other end is fixedly connected with powder powder mixing duct one end；Table in the air inducing pipeline and gas powder mixing duct
Face diameter is to being fixed with demarcation plate；The demarcation plate will be divided into two parts inside air inducing pipeline and gas powder mixing duct；The increasing
One end face of pressure pipe is fixed with first annular plate；The first annular plate inner surface is fixed with the first cylinder；The pressure inlet is another
End face is fixed with the second annular slab；Second annular slab, one surface is fixed with the second cylinder；The second annular slab inner surface
It is fixed with the 3rd cylinder；The pressure inlet week, side was fixed with third blast pipe；The first cylinder week side and helix tube in
Surface is fixedly connected；The second cylinder inner surface is fixedly connected with powder powder mixing duct week side；The spiral pipe internal surface
It is fixed with helical blade；The gas passed through is formed a spiral status by the helical blade, preferably mixes powder.
Further, the air inducing pipeline and powder powder mixing duct are conical structure；The gas powder mixing duct is
It is columnar structured；The air inducing pipeline miner diameter end outer diameter, the gentle powder mixing duct diameter phase of powder powder mixing duct miner diameter end outer diameter
Together, by bore narrow relax again in the way of, generate biggish negative pressure the air of coal dust and entrance be subjected to the first step and mix, into
Two strand have the air of coal dust to mix the mixing for realizing first time coal dust after entering powder powder mixing duct.
Further, first blast pipe, the second blast pipe and third blast pipe pass through induced duct and are connected with air blast
Machine.
Further, the pressure inlet is columnar structured；The first annular plate internal diameter is bigger than the second annular slab internal diameter
5mm-20mm；The pressure inlet, first annular plate, the first cylinder, the second annular slab and the 3rd cylinder form an annular space,
Air blower is passed through gas from third blast pipe to annular space, passes through the ring row port formed between the first cylinder and the 3rd cylinder
High pressure gas is discharged, forms negative pressure inside the 3rd cylinder, further speeds up the mixing that air velocity preferably carries out coal dust.
Further, the helix tube is columnar structured；Described helical blade one end is apart from one end face 20cm- of helix tube
30cm, helical blade change the trend of air-flow, form swirl shape air-flow and preferably mix coal dust.
The utility model has the following beneficial effects:
1, the utility model mixing duct by two kinds of coal dusts by negative pressure by way of first mix with air, increase
The relative contact product of coal dust, carries out the mixing of two kinds of coal dusts inside powder powder mixing duct, mixes more under air-flow auxiliary
Uniformly, the movement velocity for increasing mixed coal powder by the high pressure draught that pressure inlet generates, increases the uniformity of mixing.
2, the line flow configuration of air-flow is changed into spiral shell by increasing helix tube in the back of pressure inlet by the utility model
Form is revolved, coal dust is allowed further to be uniformly mixed.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is a kind of structural schematic diagram of coal dust uniform mixing device of the utility model；
Fig. 2 is the left view of Fig. 1；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A；
Fig. 4 is the structural schematic diagram of mixing duct；
Fig. 5 is the structural schematic diagram of pressure inlet；
Fig. 6 is the structural schematic diagram of helix tube；
In attached drawing, parts list represented by the reference numerals are as follows:
1- mixing duct, 2- pressure inlet, 3- helix tube, the first blast pipe of 4-, the second blast pipe of 5-, the first feed pipe of 6-,
The second feed pipe of 7-, 8- third blast pipe, 9- demarcation plate, 101- air inducing pipeline, 102- gas powder mixing duct, the mixing of 103- powder powder
Pipeline, the first notch of 104-, 105- sealing plate, the first annular plate of 201-, 202- the first cylinder, the second annular slab of 203-, 204-
The second cylinder, 205- the 3rd cylinder, 301- helical blade.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " aperture ", "upper", "lower", " thickness ", "top",
" in ", " length ", "inner", indicating positions or the positional relationship such as " surrounding ", be merely for convenience of description the utility model and simplification
Description, rather than the component or element of indication or suggestion meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
It please refers to shown in Fig. 1-6, the utility model is a kind of coal dust uniform mixing device, including mixing duct 1, mixing tube
1 one end of road is fixedly connected with pressure inlet 2；2 other end of pressure inlet is fixed with helix tube 3；
Mixing duct 1 includes air inducing pipeline 101, gas powder mixing duct 102 and powder powder mixing duct 103；Air inducing pipeline 101
One end face is fixed with sealing plate 105；105 1 surface of sealing plate is equipped with the first blast pipe 4 and the second blast pipe 5；Air inducing pipeline 101
Other end is fixedly connected with 102 one end of gas powder mixing duct；102 weeks sides of gas powder mixing duct are provided with two first notches 104；
Two first notches, 104 1 surface is respectively equipped with the first feed pipe 6 and the second feed pipe 7；102 other end of gas powder mixing duct with
103 one end of powder powder mixing duct is fixedly connected；Air inducing pipeline 101 and 102 inner surface radial direction of gas powder mixing duct are fixed with separation
Plate 9；Demarcation plate 9 will be divided into two parts inside air inducing pipeline 101 and gas powder mixing duct 102；
2 one end face of pressure inlet is fixed with first annular plate 201；First annular 201 inner surface of plate is fixed with the first cylinder
202；2 other end of pressure inlet is fixed with the second annular slab 203；Second annular slab, 203 1 surface is fixed with the second cylinder 204；
Second annular slab, 203 inner surface is fixed with the 3rd cylinder 205；2 weeks sides of pressure inlet are fixed with third blast pipe 8；The first cylinder
202 weeks sides are fixedly connected with 3 inner surface of helix tube；204 inner surface of the second cylinder is fixed with 103 weeks sides of powder powder mixing duct
Connection；
3 inner surface of helix tube is fixed with helical blade 301；The gas passed through is formed a helical form by helical blade 301
State preferably mixes powder.
Wherein as shown in figure 4, air inducing pipeline 101 and powder powder mixing duct 103 are conical structure；Gas powder mixing duct
102 be columnar structured；101 miner diameter end outer diameter of air inducing pipeline, the gentle powder mixing duct of 103 miner diameter end outer diameter of powder powder mixing duct
102 diameters are identical, by bore narrow relax again in the way of, generate biggish negative pressure for coal dust and the air of entrance and carry out first
Step mixing, into powder powder mixing duct 103 after two strand have coal dust air mixing realize first time coal dust mixing.
Wherein, the first blast pipe 4, the second blast pipe 5 and third blast pipe 8 are connected with air blower by induced duct.
Wherein as shown in figure 5, pressure inlet 2 is columnar structured；First annular 201 internal diameter of plate is than in the second annular slab 203
The big 5mm-20mm of diameter；Pressure inlet 2, first annular plate 201, the first cylinder 202, the second annular slab 203 and the formation of the 3rd cylinder 205
One annular space, air blower are passed through gas to annular space from third blast pipe 8, pass through the first cylinder 202 and the 3rd cylinder
High pressure gas is discharged in the ring row port formed between 205, forms negative pressure inside the 3rd cylinder 205, further speeds up air velocity
Preferably carry out the mixing of coal dust.
Wherein as shown in fig. 6, helix tube 3 is columnar structured；301 one end of helical blade is apart from 3 one end face of helix tube
20cm-30cm, helical blade 301 change the trend of air-flow, form swirl shape air-flow and preferably mix coal dust.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of coal dust uniform mixing device, it is characterised in that: including mixing duct (1), described mixing duct (1) one end is fixed
It is connected with pressure inlet (2)；Pressure inlet (2) other end is fixed with helix tube (3)；
The mixing duct (1) includes air inducing pipeline (101), gas powder mixing duct (102) and powder powder mixing duct (103)；Institute
It states (101) one end face of air inducing pipeline and is fixed with sealing plate (105)；(105) one surface of sealing plate is equipped with the first blast pipe (4)
With the second blast pipe (5)；Air inducing pipeline (101) other end is fixedly connected with gas powder mixing duct (102) one end；It is described
The all sides of gas powder mixing duct (102) are provided with two first notches (104)；Two (104) one surfaces of first notch are respectively equipped with
First feed pipe (6) and the second feed pipe (7)；The gas powder mixing duct (102) other end and powder powder mixing duct (103)
One end is fixedly connected；The air inducing pipeline (101) and gas powder mixing duct (102) inner surface radial direction are fixed with demarcation plate (9)；
(2) one end face of pressure inlet is fixed with first annular plate (201)；First annular plate (201) inner surface is fixed with
The first cylinder (202)；Pressure inlet (2) other end is fixed with the second annular slab (203)；Second annular slab (203)
One surface is fixed with the second cylinder (204)；Second annular slab (203) inner surface is fixed with the 3rd cylinder (205)；The increasing
The all sides of pressure pipe (2) are fixed with third blast pipe (8)；The all sides of the first cylinder (202) are fixed with helix tube (3) inner surface
Connection；The second cylinder (204) inner surface is fixedly connected with all sides of powder powder mixing duct (103)；
Helix tube (3) inner surface is fixed with helical blade (301).
2. a kind of coal dust uniform mixing device according to claim 1, which is characterized in that the air inducing pipeline (101) and
Powder powder mixing duct (103) is conical structure；The gas powder mixing duct (102) is columnar structured.
3. a kind of coal dust uniform mixing device according to claim 1, which is characterized in that first blast pipe (4),
Two blast pipes (5) and third blast pipe (8) are connected with air blower by induced duct.
4. a kind of coal dust uniform mixing device according to claim 1, which is characterized in that the pressure inlet (2) is cylinder
Shape structure；First annular plate (201) internal diameter is 5mm-20mm bigger than the second annular slab (203) internal diameter.
5. a kind of coal dust uniform mixing device according to claim 1, which is characterized in that the helix tube (3) is cylinder
Shape structure；Described helical blade (301) one end is apart from (3) one end face 20cm-30cm of helix tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759723.3U CN208809819U (en) | 2018-05-22 | 2018-05-22 | A kind of coal dust uniform mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820759723.3U CN208809819U (en) | 2018-05-22 | 2018-05-22 | A kind of coal dust uniform mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208809819U true CN208809819U (en) | 2019-05-03 |
Family
ID=66269008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820759723.3U Active CN208809819U (en) | 2018-05-22 | 2018-05-22 | A kind of coal dust uniform mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208809819U (en) |
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2018
- 2018-05-22 CN CN201820759723.3U patent/CN208809819U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: 102401 1117, floor 11, building 5, No. 10 yard, Zhuo Xiu North Street, Fangshan District, Beijing Patentee after: Beijing Zhicheng Environmental Protection Engineering Co., Ltd. Address before: 236500 Anhui city of Fuyang Province Jieshou City Innovation Industrial Park Incubator Patentee before: Anhui Chuangli Productivity Promotion Center Co. Ltd. |
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| TR01 | Transfer of patent right |