CN212681371U - Coal water slurry atomizing nozzle - Google Patents
Coal water slurry atomizing nozzle Download PDFInfo
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- CN212681371U CN212681371U CN202021328446.4U CN202021328446U CN212681371U CN 212681371 U CN212681371 U CN 212681371U CN 202021328446 U CN202021328446 U CN 202021328446U CN 212681371 U CN212681371 U CN 212681371U
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- water slurry
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Abstract
The utility model provides a coal slurry atomizing nozzle, include: the nozzle body is cylindrical, a central pipe nozzle, an annular middle pipe nozzle and an annular outer pipe nozzle are arranged on the nozzle body from the center to the outside in the radial direction respectively, the central pipe nozzle is arranged in the middle of the nozzle body, the annular middle pipe nozzle is arranged on the radial outer side of the central pipe nozzle, and the annular outer pipe nozzle is arranged on the radial outer side of the middle pipe nozzle; and the atomizing part is connected with the nozzle main body to receive the coal water slurry from the central tube nozzle, the annular middle tube nozzle and the annular outer tube nozzle, the atomizing part is provided with an atomizing cavity, the central tube nozzle, the annular middle tube nozzle and the annular outer tube nozzle are communicated with the atomizing cavity, and the wall surface of the atomizing cavity is provided with a coal water slurry outlet nozzle opening. Through the three-layer tubular structure design of the water-coal-slurry atomizing nozzle, the atomizing effect of the water-coal-slurry is effectively improved, and the uniformity of particle distribution is improved.
Description
Technical Field
The utility model relates to a coal slurry atomizing nozzle.
Background
Coal water slurry belongs to a high-concentration particle suspension fluid and needs to be atomized before combustion. The more tiny the particle diameter of the atomized coal water slurry particles, the larger the specific surface area of the atomized coal water slurry particles, the better the heat and mass exchange rate during combustion and gasification is, thereby accelerating the combustion and improving the stability of the combustion process. However, since coal water slurry is a non-newtonian fluid, it has a wide variety of rheological properties and a high apparent viscosity, increasing the difficulty of atomization.
The existing water-coal-slurry atomizing nozzle has the defects of poor atomizing quality, poor particle distribution uniformity and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve one of the technical problems, the utility model provides a coal slurry atomizing nozzle.
According to an aspect of the utility model, a coal slurry atomizing nozzle, include:
the nozzle body is cylindrical, a central pipe nozzle, an annular middle pipe nozzle and an annular outer pipe nozzle are respectively arranged on the nozzle body from the center to the outside in the radial direction, the central pipe nozzle is arranged in the middle of the nozzle body, the annular middle pipe nozzle is arranged on the radial outer side of the central pipe nozzle, and the annular outer pipe nozzle is arranged on the radial outer side of the middle pipe nozzle; and
the atomizing portion, the atomizing portion with the nozzle main part is connected, comes in order to receive the coal slurry that comes from center tube nozzle, annular intermediate tube nozzle and annular outside pipe nozzle, the atomizing portion has the atomizer chamber, center tube nozzle, annular intermediate tube nozzle and annular outside pipe nozzle with the atomizer chamber intercommunication, be provided with the play thick liquid nozzle mouth of coal slurry on the wall in atomizer chamber.
According to at least one embodiment of the utility model, the play thick liquid nozzle mouth of coal slurry is in radially being provided with a plurality ofly along the wall on the wall in atomizing chamber.
According to at least one embodiment of the present invention, the number of the outlet nozzle openings of the coal water slurry is 6 or 8.
According to at least one embodiment of the present invention, the central tube nozzle diameter is 1.3mm to 5.0 mm.
According to at least one embodiment of the present invention, the nozzle diameter of the annular middle tube is 5mm to 8 mm.
According to the utility model discloses an at least one embodiment, outside tubular nozzle diameter is 2mm-5mm, the tubular nozzle external diameter is 13 ~ 15mm in the middle of the annular.
According to at least one embodiment of the present invention, the coal water slurry atomizing nozzle is made of a high temperature resistant metal material.
According to at least one embodiment of the present invention, the nozzle main body and the atomizing part are connected together by a screw.
According to the utility model discloses an at least one embodiment, the nozzle main part still includes main coal slurry passageway, first coal slurry passageway and second coal slurry passageway, wherein main coal slurry passageway is located the intermediate position department of nozzle main part and with center tube nozzle intercommunication, first coal slurry passageway is annular shape and the ring is established the outside of main coal slurry passageway and with annular center tube nozzle intercommunication, second coal slurry passageway is annular shape and the ring is established the outside of first coal slurry passageway and second coal slurry passageway with annular outside pipe nozzle intercommunication.
According to at least one embodiment of the present invention, the main coal-water slurry channel, the first coal-water slurry channel and the second coal-water slurry channel are spaced apart from each other.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the invention and together with the description serve to explain the principles of the invention.
Figure 1 shows a schematic view of a coal water slurry atomizing nozzle according to the present invention.
Description of reference numerals:
10 coal water slurry atomizing nozzle
100 nozzle body
101 coal water slurry channel
200 nozzle part
201 center tube nozzle
202 annular middle tube nozzle
203 annular middle pipe nozzle
300 atomizing part
301 atomizing chamber
302 out of the slurry nozzle opening.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the invention. It should be noted that, for convenience of description, only the parts related to the present invention are shown in the drawings.
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict. The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Unless otherwise indicated, the illustrated exemplary embodiments/examples will be understood as providing exemplary features of various details of some ways in which the technical concepts of the present invention may be practiced. Thus, unless otherwise indicated, the features of the various embodiments/examples may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present invention.
The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.
When an element is referred to as being "on" or "on," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.
For descriptive purposes, the invention may use spatially relative terms such as "below … …," below … …, "" below … …, "" below, "" above … …, "" above, "" … …, "" higher, "and" lateral (e.g., as in "a sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below … …" can encompass both an orientation of "above" and "below". Further, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.
Fig. 1 shows a coal water slurry atomizing nozzle according to an embodiment of the present invention, which realizes atomization of coal water slurry by multi-stage internal mixing impact, and thus is a multi-stage internal mixing impact type coal water slurry atomizing nozzle.
As shown in fig. 1, the multi-stage internal mixing impingement coal-water slurry atomizing nozzle 10 may include a nozzle body 100. The nozzle body 100 may be cylindrical in shape, and in other examples of the invention, the nozzle body 100 may also be tapered, for example the diameter of the inlet will be larger than the diameter of the outlet.
The nozzle body 100 is provided with a plurality of coal water slurry channels 101, wherein the diameter of each coal water slurry channel 101 may be the same, but in the present invention, preferably, the diameter of each coal water slurry channel is different, for example, the diameter of the middle coal water slurry channel may be larger than the diameters of the coal water slurry channels on both sides. Through the plurality of coal-water slurry passages 101, coal-water slurry can enter the plurality of coal-water slurry passages 101 from an inlet (left side as shown).
In the present invention, preferably, a main water-coal-slurry passage may be provided at an intermediate position of the nozzle body 100, and a first water-coal-slurry passage and a second water-coal-slurry passage are provided at the main water-coal-slurry passage, respectively. The main coal-water slurry passage is located at the middle position of the nozzle body 100, the first coal-water slurry passage is annular, the ring is arranged on the outer side of the main coal-water slurry passage, the second coal-water slurry passage is spaced from the main coal-water slurry passage, the second coal-water slurry passage is also annular, the ring is arranged on the outer side of the first coal-water slurry passage, and the second coal-water slurry passage is spaced from the first coal-water slurry passage.
The multi-stage internal mixing impact type coal-water slurry atomizing nozzle 10 can also comprise a nozzle part 200, wherein the nozzle part 200 can comprise a central pipe nozzle 201, an annular middle pipe nozzle 202 and an annular outer pipe nozzle 203.
The inlet end of the center tube nozzle 201 is connected to the main coal-water slurry channel and the outlet end serves as the nozzle outlet of the center tube nozzle 201, wherein the outlet end of the center tube nozzle 201 is bent toward the center with respect to the inlet end, and thus the diameter of the inlet end is larger than that of the outlet end, so as to converge the coal-water slurry passing therethrough.
The inlet end of the annular intermediate pipe nozzle 202 is connected to the first coal-water slurry channel and the outlet end serves as a nozzle outlet of the annular intermediate pipe nozzle 202, wherein the outlet end of the annular intermediate pipe nozzle 202 is bent toward the center with respect to the inlet end and thus the diameter of the inlet end is larger than that of the outlet end so as to converge the coal-water slurry passing therethrough.
The inlet end of the annular outer pipe nozzle 203 is connected to the second coal-water slurry channel and the outlet end serves as a nozzle outlet of the annular outer pipe nozzle 203, wherein the outlet end of the annular outer pipe nozzle 203 is bent toward the center with respect to the inlet end, and thus the diameter of the inlet end is larger than that of the outlet end, so as to converge the coal-water slurry passing therethrough.
Further, a center pipe nozzle 201 is provided in a center portion of the nozzle body 100, an annular middle pipe nozzle 202 is provided radially outside the center pipe nozzle 201, and an annular outer pipe nozzle 203 is provided radially outside the annular middle pipe nozzle 202. The center tube nozzle 201, the annular middle tube nozzle 202, and the annular outer tube nozzle 203 are spaced apart from each other.
In addition, an atomization part 300 is further provided at the end of the nozzle part 200, and the injected coal water slurry is atomized in the atomization part 300, wherein the atomization part 300 comprises an atomization chamber 301, and the central pipe nozzle 201, the annular middle pipe nozzle 202 and the annular outer pipe nozzle 203 are communicated with the atomization chamber 301, so that the coal water slurry is introduced into the atomization chamber 301.
The opposite side of the atomization cavity 301 communicated with the central pipe nozzle 201, the annular middle pipe nozzle 202 and the annular outer pipe nozzle 203 can be provided with a slurry outlet nozzle opening 302 for coal water slurry, wherein the slurry outlet nozzle opening 302 is a through hole arranged on the wall surface, and the atomized coal water slurry is sprayed out from the coal water slurry atomization nozzle through the slurry outlet nozzle opening 302. The number of the slurry outlet nozzle openings 302 may be inevitably plural, for example, 6 or 8.
The diameter of the center tube nozzle 201 may be 1.3mm to 5.0 mm.
The annular intermediate tube nozzle 202 may be 5mm to 8mm in diameter.
The annular outer tube nozzle 203 may be 2mm to 5mm, and the outer diameter of the annular outer tube nozzle 203 may be 13 mm to 15 mm.
Further, the nozzle body 100 is provided with an external thread, and an internal thread is provided on the atomizing part 300, by which the nozzle body 100 and the atomizing part 300 are coupled together. The nozzle unit 200 and the nozzle body 100 may be integrally formed.
In one embodiment of the present invention, the water-coal-slurry atomizing nozzle is made of a high-temperature-resistant metal material.
Through the utility model discloses a coal slurry atomizing nozzle's three-layer tubular structure design has realized the multistage interior striking that mixes to the coal slurry in the nozzle is inside, simultaneously, combines the appropriate pipe diameter of three-layer nozzle to select, and the effectual atomization effect that improves the coal slurry has improved the homogeneity of particle distribution.
In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
It will be understood by those skilled in the art that the foregoing embodiments are provided for clarity of description only, and are not intended to limit the scope of the invention. Other variations or modifications to the above described embodiments will be apparent to those skilled in the art and are within the scope of the invention.
Claims (10)
1. A coal water slurry atomizing nozzle, comprising:
the nozzle body is cylindrical, a central pipe nozzle, an annular middle pipe nozzle and an annular outer pipe nozzle are respectively arranged on the nozzle body from the center to the outside in the radial direction, the central pipe nozzle is arranged in the middle of the nozzle body, the annular middle pipe nozzle is arranged on the radial outer side of the central pipe nozzle, and the annular outer pipe nozzle is arranged on the radial outer side of the middle pipe nozzle; and
the atomizing portion, the atomizing portion with the nozzle main part is connected, comes in order to receive the coal slurry that comes from center tube nozzle, annular intermediate tube nozzle and annular outside pipe nozzle, the atomizing portion has the atomizer chamber, center tube nozzle, annular intermediate tube nozzle and annular outside pipe nozzle with the atomizer chamber intercommunication, be provided with the play thick liquid nozzle mouth of coal slurry on the wall in atomizer chamber.
2. The coal-water slurry atomizing nozzle of claim 1, wherein a plurality of the coal-water slurry outlet nozzle openings are arranged on the wall surface of the atomizing chamber along the radial direction of the wall surface.
3. The water-coal-slurry atomizing nozzle according to claim 1 or 2, wherein 6 or 8 coal-slurry outlet nozzle openings are formed in the water-coal-slurry.
4. The water-coal-slurry atomizing nozzle according to claim 1 or 2, wherein the nozzle diameter of the central tube is 1.3mm to 5.0 mm.
5. The coal-water slurry atomizing nozzle according to claim 1 or 2, wherein the nozzle diameter of the annular middle pipe is 5mm to 8 mm.
6. The coal water slurry atomizing nozzle according to claim 1 or 2, wherein the diameter of the nozzle of the outer pipe is 2mm to 5mm, and the outer diameter of the nozzle of the annular middle pipe is 13 mm to 15 mm.
7. The coal-water slurry atomizing nozzle according to claim 1 or 2, wherein said coal-water slurry atomizing nozzle is made of a high temperature-resistant metal material.
8. The coal-water slurry atomizing nozzle according to claim 1 or 2, wherein said nozzle body and said atomizing portion are screwed together.
9. The coal-water slurry atomizing nozzle according to claim 1 or 2, wherein the nozzle body further includes a main coal-water slurry passage, a first coal-water slurry passage, and a second coal-water slurry passage, wherein the main coal-water slurry passage is located at a middle position of the nozzle body and communicates with the central pipe nozzle, the first coal-water slurry passage is annular and is annularly provided outside the main coal-water slurry passage and communicates with the annular central pipe nozzle, the second coal-water slurry passage is annular and is annularly provided outside the first coal-water slurry passage and the second coal-water slurry passage communicates with the annular outer pipe nozzle.
10. The coal-water slurry atomizing nozzle of claim 9, wherein said primary coal-water slurry passageway, first coal-water slurry passageway and second coal-water slurry passageway are spaced apart from one another.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021328446.4U CN212681371U (en) | 2020-07-08 | 2020-07-08 | Coal water slurry atomizing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021328446.4U CN212681371U (en) | 2020-07-08 | 2020-07-08 | Coal water slurry atomizing nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212681371U true CN212681371U (en) | 2021-03-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021328446.4U Active CN212681371U (en) | 2020-07-08 | 2020-07-08 | Coal water slurry atomizing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212681371U (en) |
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2020
- 2020-07-08 CN CN202021328446.4U patent/CN212681371U/en active Active
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