CN218561365U - Long-life water jacket type safety nozzle - Google Patents
Long-life water jacket type safety nozzle Download PDFInfo
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- CN218561365U CN218561365U CN202222360656.7U CN202222360656U CN218561365U CN 218561365 U CN218561365 U CN 218561365U CN 202222360656 U CN202222360656 U CN 202222360656U CN 218561365 U CN218561365 U CN 218561365U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
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Abstract
The utility model particularly relates to a long-life water jacket formula safety type nozzle has solved the short problem of technology nozzle life. A long-life water jacket type safety nozzle comprises a nozzle main body, wherein an annular nozzle lantern ring positioned on the inner side is embedded at the top end part of the nozzle main body, and the inner side wall of the nozzle lantern ring is vertically connected with the inner side wall of the nozzle main body; and a cooling water jacket mechanism is arranged on the outer side of the nozzle main body. The utility model provides a brand-new long-life water jacket formula safety type nozzle has increased the nozzle lantern ring, constitutes compound nozzle to use the new material that hardness meets the requirements, thereby breakthrough's promotion nozzle's life.
Description
Technical Field
The utility model relates to a coal gasification technical field specifically is a long-life water jacket formula safety type nozzle.
Background
The entrained flow coal gasification technology is known as green coal technology. The process burner is the core equipment of the entrained flow coal gasification technology, and is directly related to the coal gasification efficiency and the stable operation period of the device. The water-coal-slurry process burner has the problem of short service life, and particularly the service life of the burner does not exceed ninety days after the coal slurry is concentrated. The main factors limiting the service life are wear and tear of the outer nozzle orifice.
In order to improve the single-cycle running time of the water-coal-slurry process burner, a plurality of schemes are used for improving the water-coal-slurry process burner, and the improvement mode is to change a water coil type cooling mode into a water jacket type, such as a utility model patent with the publication number of CN203007227U, a utility model patent with the publication number of CN205024175U, an invention patent with the publication number of CN105132038B and an invention patent with the publication number of CN 106147875A; the second improvement mode is that a protective layer is additionally arranged on the end face of the outer nozzle, such as a utility model patent with the publication number of CN202267059U, an invention patent with the publication number of CN103333717B and an invention patent with the publication number of CN 105505473A; the third improvement mode is to spray or spray-weld a heat-resistant coating on the end face of the outer nozzle, and in addition, the above solutions are used together, but the service life of the outer nozzle cannot stably break through ninety days.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve the short problem of technology nozzle life, provide a long-life water jacket formula safety type nozzle.
The utility model discloses an adopt following technical scheme to realize:
a long-life water jacket type safety nozzle comprises a nozzle main body, wherein an annular nozzle lantern ring positioned on the inner side is embedded at the top end part of the nozzle main body, and the inner side wall of the nozzle lantern ring is vertically connected with the inner side wall of the nozzle main body; and a cooling water jacket mechanism is arranged on the outer side of the nozzle main body.
The nozzle lantern ring is embedded in the center of the end face of the top end part of the nozzle body.
Furthermore, the upper part of the inner side wall of the nozzle lantern ring is a cylindrical inner wall, and the middle lower part of the inner side wall of the nozzle lantern ring is a conical inner wall which is vertically connected with the cylindrical inner wall; the outer side wall upper portion of the nozzle lantern ring is a conical outer wall, the outer side wall lower part of the nozzle lantern ring is a cylindrical outer wall, the diameter of the cylindrical outer wall of the nozzle lantern ring is larger than the bottom diameter of the conical outer wall of the nozzle lantern ring, and the two are connected through a transition outer wall located in the middle of the outer side wall of the nozzle lantern ring.
Further, the transitional outer wall of the nozzle sleeve ring is conical or circular arc-shaped.
Preferably, the transition outer wall of the nozzle collar is conical.
Furthermore, the cooling water jacket mechanism comprises a cooling water pipe arranged in parallel on the outer side of the nozzle main body, and the top of the cooling water pipe is fixedly connected with the top of the nozzle main body; the cooling water pipe and the nozzle body enclose an annular water cooling cavity, an isolation pipe parallel to the nozzle body is arranged in the water cooling cavity, the top end part of the isolation pipe is open, and the top end part of the isolation pipe and the top end part of the nozzle body are arranged at intervals; the water cooling cavity is divided into an annular water inlet channel and an annular water outlet channel by the isolation pipe, the annular water inlet channel is located on the inner side, the annular water outlet channel is located on the outer side, and the lower end of the water inlet channel is communicated with the lower end of the water outlet channel.
The isolation pipe is composed of a conical isolation pipe section at the top and a cylindrical isolation pipe section at the bottom. The cooling water pipe is composed of a conical water pipe section positioned at the top and a cylindrical water pipe section positioned at the bottom. The utility model discloses top portion with the isolation tube is the interval setting with the interior roof of water-cooling chamber for keep having the clearance between the top portion of water baffle and the interior roof of water-cooling chamber, make things convenient for the circulation of cooling water.
During operation, cooling water flows into the water inlet channel through the water inlet, then flows into the water outlet channel at the top, and finally flows out of the water outlet, so that the purpose of cooling the nozzle is achieved, the single-cycle operation time of the process burner is prolonged, and the service life of the process burner is prolonged.
Furthermore, an annular groove is formed in the top end of the inner side wall of the nozzle main body, the upper portion of the groove wall of the annular groove is in a conical shape matched with the shape of the conical outer wall of the nozzle lantern ring, the middle portion of the groove wall of the annular groove is matched with the shape of the transitional outer wall of the nozzle lantern ring, and the lower portion of the groove wall of the annular groove is in a cylindrical shape matched with the shape of the cylindrical outer wall of the nozzle lantern ring.
Furthermore, the upper part of the side wall of the nozzle main body is in a conical tubular shape, the middle upper part of the side wall is in an arc transition tubular shape, the middle lower part of the side wall is in a limit tubular shape, the lower part of the side wall is in a long straight tubular shape, and the inner diameter of the lower part of the side wall of the nozzle main body is larger than that of the middle lower part of the nozzle main body.
The inner side wall of the nozzle body consists of a conical pipe section, an arc transition section, a limiting pipe section and a long straight pipe section which are distributed from the top to the bottom, wherein the cylindrical limiting pipe section can be matched and clamped with the inner nozzle.
Further, the taper angle of the upper portion of the sidewall of the nozzle body is 30 ° to 100 °.
The conical isolation pipe section of the isolation pipe has a cone angle of 30-100 degrees matched with the structure of the nozzle main body; the cone angle of the conical water pipe section of the cooling water pipe is 30-100 degrees.
Further, the taper angle of the upper portion of the sidewall of the nozzle body is 40 °, 60 °, 80 °, or 90 °.
The conical isolation pipe section of the isolation pipe has a cone angle of 40 degrees, 60 degrees, 80 degrees or 90 degrees in match with the nozzle main body structure; the taper angle of the conical water pipe section of the cooling water pipe is 40 degrees, 60 degrees, 80 degrees or 90 degrees.
Further, the nozzle collar is made of a material having a hardness of 30HRC or greater.
When the processing material is characterized by other hardness units, the hardness of the processing material of the nozzle collar needs to be equal to or more than 30HRC equivalent hardness.
The utility model provides a brand-new long-life water jacket formula safety type nozzle is based on the invention patent of publication number CN109022043A, the invention patent of publication number CN108485713A, the invention patent of publication number CN108485714A, the further innovation of the invention patent of publication number CN110951507A, mainly increased the nozzle lantern ring, constitute compound nozzle to use the new material that hardness meets the requirements, thereby breakthrough promotion nozzle's life.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 isbase:Sub>A schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 3 is an enlarged schematic view of the junction of the nozzle body and the nozzle collar of the present invention.
In the figure, 1-nozzle body, 2-nozzle lantern ring, 3-cooling water pipe, 4-isolation pipe, 5-water inlet channel, 6-water outlet channel and 7-annular groove.
Detailed Description
Example 1
A long-life water jacket type safety nozzle is shown in figures 1 and 2 and comprises a nozzle body 1, wherein an annular nozzle lantern ring 2 positioned on the inner side is embedded in the top end portion of the nozzle body 1, and the inner side wall of the nozzle lantern ring 2 is vertically connected with the inner side wall of the nozzle body 1; the outside of the nozzle body 1 is provided with a cooling water jacket mechanism.
As shown in fig. 3, the upper part of the inner side wall of the nozzle lantern ring 2 is a cylindrical inner wall, and the middle lower part of the inner side wall of the nozzle lantern ring 2 is a conical inner wall which is vertically connected with the cylindrical inner wall; the lateral wall upper portion of the nozzle lantern ring 2 is the circular cone outer wall, the lateral wall lower part of the nozzle lantern ring 2 is the cylinder outer wall, the diameter of the cylinder outer wall of the nozzle lantern ring 2 is greater than the bottom diameter of the circular cone outer wall of the nozzle lantern ring 2, and both link up through the transition outer wall that is located the lateral wall middle part of the nozzle lantern ring 2.
The transitional outer wall of the nozzle collar 2 is conical.
As shown in fig. 2, the cooling water jacket mechanism comprises a cooling water pipe 3 arranged in parallel outside the nozzle body 1, and the top of the cooling water pipe 3 is fixedly connected with the top of the nozzle body 1; the cooling water pipe 3 and the nozzle body 1 enclose an annular water cooling cavity, an isolation pipe 4 parallel to the nozzle body 1 is arranged in the water cooling cavity, the top end part of the isolation pipe 4 is open, and the top end part of the isolation pipe and the top end part of the nozzle body 1 are arranged at intervals; the water-cooling cavity is divided into an annular water inlet channel 5 positioned on the inner side and an annular water outlet channel 6 positioned on the outer side by the isolation tube 4, and the lower end of the water inlet channel 5 is communicated with the lower end of the water outlet channel 6.
As shown in fig. 3, an annular groove 7 is formed at the top end of the inner side wall of the nozzle body 1, the upper part of the groove wall of the annular groove 7 is in a conical shape matched with the conical outer wall of the nozzle lantern ring 2 in shape, the middle part of the groove wall is matched with the transition outer wall of the nozzle lantern ring 2 in shape, and the lower part of the groove wall is in a cylindrical shape matched with the cylindrical outer wall of the nozzle lantern ring 2 in shape.
As shown in fig. 2, the upper portion of the sidewall of the nozzle body 1 is in a conical tube shape, the middle upper portion of the sidewall is in an arc transition tube shape, the middle lower portion of the sidewall is in a limit tube shape, the lower portion of the sidewall is in a long straight tube shape, and the inner diameter of the lower portion of the sidewall of the nozzle body 1 is larger than the inner diameter of the middle lower portion of the nozzle body 1.
The angle of taper of the upper part of the side wall of the nozzle body 1 is 30-100 deg..
The nozzle collar 2 is made of a material having a hardness of 30HRC or more.
Example 2
A long-life water jacket type safety nozzle comprises a nozzle main body 1, wherein an annular nozzle lantern ring 2 positioned on the inner side is embedded in the top end portion of the nozzle main body 1, and the inner side wall of the nozzle lantern ring 2 is connected with the inner side wall of the nozzle main body 1 up and down; the outside of the nozzle body 1 is provided with a cooling water jacket mechanism.
The upper part of the inner side wall of the nozzle lantern ring 2 is a cylindrical inner wall, and the middle lower part of the inner side wall of the nozzle lantern ring 2 is a conical inner wall which is vertically connected with the cylindrical inner wall; the lateral wall upper portion of the nozzle lantern ring 2 is the circular cone outer wall, the lateral wall lower part of the nozzle lantern ring 2 is the cylinder outer wall, the diameter of the cylinder outer wall of the nozzle lantern ring 2 is greater than the bottom diameter of the circular cone outer wall of the nozzle lantern ring 2, and both link up through the transition outer wall that is located the lateral wall middle part of the nozzle lantern ring 2.
The transitional outer wall of the nozzle lantern ring 2 is arc-shaped.
The cooling water jacket mechanism comprises a cooling water pipe 3 which is arranged outside the nozzle main body 1 in parallel, and the top of the cooling water pipe 3 is fixedly connected with the top of the nozzle main body 1; the cooling water pipe 3 and the nozzle body 1 enclose an annular water cooling cavity, an isolation pipe 4 parallel to the nozzle body 1 is arranged in the water cooling cavity, the top end part of the isolation pipe 4 is open, and the top end part of the isolation pipe and the top end part of the nozzle body 1 are arranged at intervals; the isolation tube 4 separates the water cooling cavity into an annular water inlet channel 5 positioned on the inner side and an annular water outlet channel 6 positioned on the outer side, and the lower end of the water inlet channel 5 is communicated with the lower end of the water outlet channel 6.
An annular groove 7 is formed in the top end of the inner side wall of the nozzle main body 1, the upper portion of the groove wall of the annular groove 7 is in a conical shape matched with the shape of the conical outer wall of the nozzle lantern ring 2, the middle portion of the groove wall is matched with the shape of the transition outer wall of the nozzle lantern ring 2, and the lower portion of the groove wall is in a cylindrical shape matched with the shape of the cylindrical outer wall of the nozzle lantern ring 2.
The upper part of the side wall of the nozzle body 1 is in a conical tubular shape, the middle upper part of the side wall is in an arc transition tubular shape, the middle lower part of the side wall is in a limit tubular shape, the lower part of the side wall is in a long straight tubular shape, and the inner diameter of the lower part of the side wall of the nozzle body 1 is larger than that of the middle lower part of the nozzle body 1.
The taper angle of the upper part of the side wall of the nozzle body 1 is 40 °, 60 °, 80 ° or 90 °.
The nozzle collar 2 is made of a material having a hardness of 30HRC or more.
In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a long-life water jacket formula safety type nozzle, includes nozzle body (1), its characterized in that: the top end part of the nozzle main body (1) is embedded with an annular nozzle lantern ring (2) positioned at the inner side, and the inner side wall of the nozzle lantern ring (2) is connected with the inner side wall of the nozzle main body (1) up and down; a cooling water jacket mechanism is arranged on the outer side of the nozzle main body (1);
the cooling water jacket mechanism comprises cooling water pipes (3) which are arranged on the outer side of the nozzle main body (1) in parallel, and the tops of the cooling water pipes (3) are fixedly connected with the top of the nozzle main body (1); the cooling water pipe (3) and the nozzle body (1) enclose to form an annular water cooling cavity, an isolation pipe (4) parallel to the nozzle body (1) is arranged in the water cooling cavity, the top end part of the isolation pipe (4) is open, and the top end part of the isolation pipe and the top end part of the nozzle body (1) are arranged at intervals; the water cooling cavity is divided into an annular water inlet channel (5) positioned on the inner side and an annular water outlet channel (6) positioned on the outer side by the isolation pipe (4), and the lower end of the water inlet channel (5) is communicated with the lower end of the water outlet channel (6);
the nozzle collar (2) is made of a material with a hardness of 30HRC or more.
2. A long life, water jacketed safety nozzle as claimed in claim 1, wherein: the upper part of the inner side wall of the nozzle lantern ring (2) is a cylindrical inner wall, and the middle lower part of the inner side wall of the nozzle lantern ring (2) is a conical inner wall which is vertically connected with the cylindrical inner wall; the lateral wall upper portion of the nozzle lantern ring (2) is the circular cone outer wall, the lateral wall lower part of the nozzle lantern ring (2) is the cylinder outer wall, the diameter of the cylinder outer wall of the nozzle lantern ring (2) is greater than the bottom diameter of the circular cone outer wall of the nozzle lantern ring (2), and both link up through the transition outer wall that is located the lateral wall middle part of the nozzle lantern ring (2).
3. A long life water jacketed safety nozzle as claimed in claim 2, characterized in that: the transitional outer wall of the nozzle lantern ring (2) is conical or circular arc-shaped.
4. A long life, water jacketed safety nozzle as claimed in claim 3, wherein: annular groove (7) have been seted up at the inside wall top of nozzle main part (1), the cell wall upper portion of annular groove (7) is coniformly with the circular cone outer wall shape fit of the nozzle lantern ring (2), cell wall middle part and the transition outer wall shape fit of the nozzle lantern ring (2), cell wall lower part are cylindricly with the cylinder outer wall shape fit of the nozzle lantern ring (2).
5. The long life water jacketed safety nozzle of claim 1, wherein: the upper part of the side wall of the nozzle main body (1) is in a conical tubular shape, the middle upper part of the side wall is in an arc transition tubular shape, the middle lower part of the side wall is in a limit tubular shape, the lower part of the side wall is in a long straight tubular shape, and the inner diameter of the lower part of the side wall of the nozzle main body (1) is larger than that of the middle lower part of the nozzle main body (1).
6. The long life, water jacketed safety nozzle of claim 5, wherein: the upper part of the side wall of the nozzle body (1) has a cone angle of 30-100 degrees.
7. The long life water jacketed safety nozzle of claim 6, wherein: the taper angle of the upper part of the side wall of the nozzle body (1) is 40 degrees, 60 degrees, 80 degrees or 90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222360656.7U CN218561365U (en) | 2022-09-06 | 2022-09-06 | Long-life water jacket type safety nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222360656.7U CN218561365U (en) | 2022-09-06 | 2022-09-06 | Long-life water jacket type safety nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218561365U true CN218561365U (en) | 2023-03-03 |
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ID=85311221
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222360656.7U Active CN218561365U (en) | 2022-09-06 | 2022-09-06 | Long-life water jacket type safety nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218561365U (en) |
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2022
- 2022-09-06 CN CN202222360656.7U patent/CN218561365U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Long Life Water Jacketed Safety Type Nozzle Effective date of registration: 20230519 Granted publication date: 20230303 Pledgee: Hangzhou United Rural Commercial Bank Co.,Ltd. Haining sub branch Pledgor: Leen (Haining) Technology Co.,Ltd.|BEIJING JINGYI ADDITIONAL MATERIAL TECHNOLOGY Co.,Ltd. Registration number: Y2023980041225 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |