CN215171107U - Adjustable energy-saving high-efficiency steam jet pump nozzle - Google Patents
Adjustable energy-saving high-efficiency steam jet pump nozzle Download PDFInfo
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- CN215171107U CN215171107U CN202121139987.7U CN202121139987U CN215171107U CN 215171107 U CN215171107 U CN 215171107U CN 202121139987 U CN202121139987 U CN 202121139987U CN 215171107 U CN215171107 U CN 215171107U
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Abstract
The utility model discloses an energy-conserving high-efficient steam jet pump nozzle with adjustable, include: the bottom of the control driving device is fixedly provided with a limiting structure, the bottom of the limiting structure is provided with a steam manifold, and the bottom of the steam manifold and the nozzle main body are fixed through screws; the limiting structure comprises a limiting pipe and limiting columns, the limiting columns are fixedly arranged on two sides inside the limiting pipe, and the limiting columns are inserted into limiting holes formed in the limiting plate; a steam manifold comprising a tube body and a steam inlet. According to the adjustable energy-saving high-efficiency steam jet pump nozzle, the adjustable nozzle main body can freely change the sectional area of the throat pipe of the nozzle, so that the flow rate of steam and the pressure of the outlet of the nozzle are changed, the design size of the nozzle can be greatly reduced, the manufacturing difficulty of the nozzle is reduced, the size of the whole degassing system is reduced, and the occupied space of equipment is saved.
Description
Technical Field
The utility model relates to an external refining equipment field specifically is an energy-conserving high-efficient steam jet pump nozzle with adjustable.
Background
With the continuous improvement of the requirements of industrial products on the quality of steel, the secondary smelting of molten steel, namely, the external refining technology, is developed rapidly, and the vacuum degassing method is widely used due to the convenience in use and strong capability of treating the molten steel; the steam jet pump nozzle is one of important devices in a vacuum degassing system, and the performance of the steam jet pump nozzle directly influences the quality and cost of molten steel refining; the main cost composition of the operation of the vacuum degassing system is steam consumption and cooling water consumption, and the cooling water consumption is closely related to the steam consumption, so that the steam consumption is reduced as much as possible, more cooling water can be saved, and the cost of the circulating operation of the cooling water is saved;
the purpose of vacuum degassing is to rapidly remove residual impurities in molten steel, particularly hydrogen atoms, and simultaneously to reduce the temperature drop of the molten steel, a steam jet pump must reach a certain air extraction amount, and the air extraction amount and the steam consumption are in a direct proportion relation; a plurality of nozzles in a general vacuum system are used in series and in parallel, saturated steam with certain pressure is used as a power source by the nozzles, supersonic jet flow is formed by diffusion of a throat, and waste gas generated by molten steel is taken away;
the steam jet pump used at present in China generally has fixed air suction quantity, the diameter of a throat of a nozzle is not changed, and the steam consumption is also fixed, but the waste gas quantity generated in each stage in the whole molten steel refining treatment process is different, generally, a large amount of waste gas is generated in the early stage of the treatment stage, and at the moment, a large air suction quantity is needed, more steam is needed to be consumed, and more cooling water is consumed; by the middle and later stages of the treatment stage, the generated waste gas amount is less and less, and at last, the waste gas is hardly generated, so that the original extraction amount is not needed, too much steam is not needed to be consumed, and too much cooling water is not needed to be consumed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an energy-conserving high-efficient steam jet pump nozzle with adjustable to solve the defect that mentions in the above-mentioned background art.
In order to achieve the above object, an adjustable energy-saving high-efficiency steam jet pump nozzle is provided, which comprises:
the bottom of the control driving device is fixedly provided with a limiting structure, the bottom of the limiting structure is provided with a steam manifold, and the bottom of the steam manifold and the nozzle main body are fixed through screws;
the limiting structure comprises a limiting pipe and limiting columns, the limiting columns are fixedly arranged on two sides inside the limiting pipe, and the limiting columns are inserted into limiting holes formed in the limiting plate;
the steam manifold comprises a pipe body and a steam inlet, the steam inlet is fixedly arranged on the surface of the side wall of the pipe body, the top of the pipe body is fixedly connected with the bottom of the limiting pipe in a threaded manner, and the bottom of the pipe body is fixedly connected with the upper end of the spray pipe in a threaded manner;
the nozzle comprises a nozzle body, wherein the bottom of a spray pipe of the nozzle body is fixedly arranged with a nozzle outlet, a throat pipe is arranged on the upper side inside the nozzle outlet, a valve core is arranged inside the spray pipe, and the end part of the valve core is fixedly arranged with an adjusting needle valve.
Preferably, the control driving device comprises a fixing frame, a driving motor, a worm wheel, a positioning plate and a working pipe, the driving motor is fixedly arranged on the outer side wall of the fixing frame through a base, the positioning plate is arranged inside the fixing frame, and the positioning plate is movably arranged with the working pipe through a bearing.
Preferably, the middle part of the working pipe is fixedly provided with a worm wheel, the worm wheel is matched with the worm in size, the worm wheel is meshed with the worm, and the worm is fixedly arranged with an output shaft of the driving motor.
Preferably, the nozzle main body comprises a spray pipe, a regulating cavity, a throat pipe and a nozzle outlet, and the section of the nozzle outlet at the bottom of the spray pipe is in an isosceles trapezoid shape.
Preferably, the spray pipe is internally provided with an adjusting cavity, the section of the adjusting cavity is in a bowl shape, the adjusting cavity is matched with the adjusting ring in size, the throat is matched with the valve post in size, and the end part of the valve post is in a conical shape.
Preferably, the valve core comprises a fixed pipe, an adjusting ring and a valve column, the bottom of the fixed pipe is fixedly arranged with the adjusting ring, the bottom of the adjusting ring is fixedly arranged with the valve column, and the valve core is of a lifting structure in the nozzle main body.
Preferably, adjust the needle valve and include valve rod, limiting plate, lead screw and barrier plate, and the outside of valve rod is fixed and is provided with the limiting plate, and the section of limiting plate is "U" shape setting, and the upside of valve rod is fixed simultaneously and is provided with the lead screw, and the lead screw spiro union is in the spiro union hole that the work pipe was inside to be seted up, and the top of valve rod is fixed and is provided with the barrier plate.
Compared with the prior art, the beneficial effects of the utility model are that:
1. during the molten steel degassing process, the adjustable energy-saving high-efficiency steam jet pump nozzle can automatically adjust the steam consumption according to the waste gas generated by the molten steel at different stages to change the air extraction capacity of the nozzle body, thereby realizing the air extraction effect; compared with a common steam jet pump nozzle, the steam quantity can be saved by more than 30 percent, so that the cooling water quantity is saved by more than 30 percent, and the circulating operation cost of the cooling water is reduced;
2. the adjustable nozzle main body can freely change the sectional area of the throat pipe of the nozzle, thereby changing the flow rate of steam and the pressure of the outlet of the nozzle, greatly reducing the design size of the nozzle, reducing the manufacturing difficulty of the nozzle, reducing the size of the whole degassing system and saving the occupied space of equipment;
3. the driving motor adjusts the needle valve to move up and down through a series of transmission structures, so that the sectional area of the nozzle throat is adjusted through the valve core, and the steam consumption is adjusted.
Drawings
FIG. 1 is a front view of the structure of the present invention;
FIG. 2 is a schematic view of the nozzle body of the present invention;
FIG. 3 is a schematic view of the internal structure of the structure control driving device and the limiting structure of the present invention;
FIG. 4 is a schematic view of the structure of the present invention showing the valve core moving downward;
fig. 5 is a top view of the fixing frame of the structure of the present invention;
fig. 6 is a schematic sectional view taken along line a-a in fig. 4.
Reference numbers in the figures: 1. controlling the driving device; 11. a fixing frame; 12. a drive motor; 13. a worm; 14. a worm gear; 15. positioning a plate; 16. a working pipe; 2. a limiting structure; 21. a limiting pipe; 22. a limiting column; 3. a steam manifold; 31. a pipe body; 32. a steam inlet; 4. a nozzle body; 41. a nozzle; 42. an adjustment chamber; 43. a throat; 44. a nozzle outlet; 5. a valve core; 51. a fixed tube; 52. an adjusting ring; 53. a spool; 6. adjusting a needle valve; 61. a valve stem; 62. a limiting plate; 63. a screw rod; 64. a barrier plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides an adjustable energy-saving high-efficiency steam jet pump nozzle, comprising: the device comprises a control driving device 1, a limiting structure 2, a steam manifold 3 and a nozzle body 4;
the bottom of the control driving device 1 is fixedly provided with a limiting structure 2, the bottom of the limiting structure 2 is provided with a steam manifold 3, and the bottom of the steam manifold 3 is fixed with the nozzle main body 4 through screws;
the limiting structure 2 comprises a limiting pipe 21 and limiting columns 22, the limiting columns 22 are fixedly arranged on two sides of the interior of the limiting pipe 21, and the limiting columns 22 are inserted into limiting holes formed in the limiting plate 62;
the steam manifold 3 comprises a pipe body 31 and a steam inlet 32, the steam inlet 32 is fixedly arranged on the surface of the side wall of the pipe body 31, the top of the pipe body 31 is fixedly connected with the bottom of the limiting pipe 21 in a threaded manner, and the bottom of the pipe body 31 is fixedly connected with the upper end of the spray pipe 41 in a threaded manner;
the bottom of the nozzle body 41 of the nozzle body 4 is fixedly arranged with the nozzle outlet 44, the upper side inside the nozzle outlet 44 is provided with a throat 43, meanwhile, the inside of the nozzle body 41 is provided with a valve core 5, and the end part of the valve core 5 is fixedly arranged with the adjusting needle valve 6.
Under the action of the control driving device 1, the valve core 5 can be driven to perform lifting operation inside the nozzle main body 4, so that the valve column 53 at the bottom of the valve core 5 performs lifting operation inside the throat 43, and the diameter of the throat 43 of the nozzle of the steam jet pump is changed, thereby reducing the consumption of steam and cooling water and achieving the purposes of energy conservation and high efficiency.
During the molten steel degassing process, the adjustable energy-saving high-efficiency steam jet pump nozzle can automatically adjust the steam consumption according to the waste gas generated by the molten steel at different stages to change the air extraction capacity of the nozzle main body 4, thereby realizing the air extraction effect; compared with the common steam jet pump nozzle, the steam quantity can be saved by more than 30%, and further, the cooling water quantity can be saved by more than 30% and the circulating operation cost of the cooling water can be reduced.
The adjustable nozzle body 4 can freely change the sectional area of the nozzle throat 43, thereby changing the flow rate of steam and the pressure of the nozzle outlet 44, greatly reducing the design size of the nozzle, reducing the manufacturing difficulty of the nozzle, reducing the size of the whole degassing system and saving the occupied space of equipment.
The driving motor 12 adjusts the adjusting needle valve 6 to move up and down through a series of transmission structures, so that the sectional area of the nozzle throat 43 is adjusted through the valve core 5, and the adjustment of steam consumption is achieved.
As a preferred embodiment, the control driving device 1 includes a fixed frame 11, a driving motor 12, a worm 13, a worm wheel 14, a positioning plate 15 and a working pipe 16, wherein the driving motor 12 is fixedly disposed on an outer sidewall of the fixed frame 11 through a base, the positioning plate 15 is mounted inside the fixed frame 11, and the positioning plate 15 is movably disposed with the working pipe 16 through a bearing.
The working mode of the valve core 5 is as follows: the output shaft of the driving motor 12 drives the worm 13 to rotate, the worm 13 rotates to drive the worm wheel 14 to rotate, the worm wheel 14 drives the working pipe 16 to rotate, and the working pipe 16 is in threaded connection with the outer side of the screw rod 63, so that the screw rod 63 is lifted, the needle valve 6 is driven to lift, and the valve core 5 is driven to lift.
In a preferred embodiment, a worm wheel 14 is fixedly arranged in the middle of the working tube 16, the worm wheel 14 is matched with the worm 13 in size, the worm wheel 14 is meshed with the worm 13, and the worm 13 is fixedly arranged with an output shaft of the driving motor 12.
In a preferred embodiment, the nozzle body 4 comprises a nozzle tube 41, a regulating cavity 42, a throat 43 and a nozzle outlet 44, and the nozzle outlet 44 at the bottom of the nozzle tube 41 is arranged in an isosceles trapezoid shape in cross section.
In a preferred embodiment, the nozzle 41 is provided with an adjusting cavity 42 therein, the adjusting cavity 42 has a bowl-shaped cross section, the adjusting cavity 42 is matched with the size of the adjusting ring 52, the throat 43 is matched with the size of the spool 53, and the end of the spool 53 is tapered.
As a preferred embodiment, the valve core 5 includes a fixed tube 51, an adjusting ring 52 and a valve post 53, the bottom of the fixed tube 51 is fixed to the adjusting ring 52, the bottom of the adjusting ring 52 is fixed to the valve post 53, and the valve core 5 is a lifting structure inside the nozzle body 4.
The adjusting ring 52 covers the inside of the adjusting cavity 42, and the gas flow rate inside the nozzle body 4 can be adjusted by changing the gap between the adjusting ring 52 and the adjusting cavity 42.
As a preferred embodiment, the adjusting needle valve 6 includes a valve rod 61, a limiting plate 62, a screw 63 and a blocking plate 64, the limiting plate 62 is fixedly disposed outside the valve rod 61, the cross section of the limiting plate 62 is "U" shaped, the screw 63 is fixedly disposed on the upper side of the valve rod 61, the screw 63 is screwed into a screw hole formed in the working tube 16, and the blocking plate 64 is fixedly disposed on the top of the valve rod 61.
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 an energy-conserving high-efficient steam jet pump nozzle with adjustable which characterized in that includes:
the nozzle comprises a control driving device (1), wherein a limiting structure (2) is fixedly mounted at the bottom of the control driving device (1), a steam manifold (3) is mounted at the bottom of the limiting structure (2), and the bottom of the steam manifold (3) is fixed with a nozzle main body (4) through screws;
the limiting structure (2) comprises a limiting pipe (21) and limiting columns (22), the limiting columns (22) are fixedly arranged on two sides of the interior of the limiting pipe (21), and the limiting columns (22) are inserted into limiting holes formed in the interior of the limiting plate (62);
the steam manifold (3) comprises a pipe body (31) and a steam inlet (32), the steam inlet (32) is fixedly arranged on the surface of the side wall of the pipe body (31), the top of the pipe body (31) is fixedly connected with the bottom of the limiting pipe (21) in a threaded manner, and the bottom of the pipe body (31) is fixedly connected with the upper end of the spray pipe (41) in a threaded manner;
the nozzle comprises a nozzle body (4), the bottom of a spray pipe (41) of the nozzle body (4) is fixedly arranged with a nozzle outlet (44), a throat pipe (43) is arranged on the upper side inside the nozzle outlet (44), a valve core (5) is arranged inside the spray pipe (41), and the end part of the valve core (5) is fixedly arranged with an adjusting needle valve (6).
2. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 1, wherein: control drive arrangement (1) is including fixed frame (11), driving motor (12), worm (13), worm wheel (14), locating plate (15) and working tube (16), and driving motor (12) pass through the fixed setting of frame on the lateral wall of fixed frame (11), and fixed frame (11) internally mounted has locating plate (15) simultaneously, and locating plate (15) pass through the bearing and set up with working tube (16) activity.
3. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 2, wherein: the middle of the working pipe (16) is fixedly provided with a worm wheel (14), the worm wheel (14) is matched with the worm (13) in size, the worm wheel (14) is meshed with the worm (13), and the worm (13) is fixedly arranged with an output shaft of the driving motor (12).
4. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 1, wherein: the nozzle body (4) comprises a spray pipe (41), an adjusting cavity (42), a throat pipe (43) and a nozzle outlet (44), and the section of the nozzle outlet (44) at the bottom of the spray pipe (41) is in isosceles trapezoid arrangement.
5. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 4, wherein: the adjusting cavity (42) is formed in the spray pipe (41), the section of the adjusting cavity (42) is in a bowl-shaped arrangement, the adjusting cavity (42) is matched with the adjusting ring (52) in size, the throat pipe (43) is matched with the valve column (53) in size, and the end portion of the valve column (53) is in a conical arrangement.
6. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 1, wherein: the valve core (5) comprises a fixed pipe (51), an adjusting ring (52) and a valve column (53), the bottom of the fixed pipe (51) is fixedly arranged with the adjusting ring (52), the bottom of the adjusting ring (52) is fixedly arranged with the valve column (53), and the valve core (5) is of a lifting structure in the nozzle main body (4).
7. The adjustable energy-saving high-efficiency steam jet pump nozzle as claimed in claim 1, wherein: adjust needle valve (6) and include valve rod (61), limiting plate (62), lead screw (63) and barrier plate (64), and the outside of valve rod (61) is fixed and is provided with limiting plate (62), and the section of limiting plate (62) is "U" shape setting, and the upside of valve rod (61) is fixed simultaneously and is provided with lead screw (63), and lead screw (63) spiro union is in the spiro union hole that work pipe (16) inside was seted up, and the top of valve rod (61) is fixed and is provided with barrier plate (64).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121139987.7U CN215171107U (en) | 2021-05-26 | 2021-05-26 | Adjustable energy-saving high-efficiency steam jet pump nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121139987.7U CN215171107U (en) | 2021-05-26 | 2021-05-26 | Adjustable energy-saving high-efficiency steam jet pump nozzle |
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| Publication Number | Publication Date |
|---|---|
| CN215171107U true CN215171107U (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121139987.7U Active CN215171107U (en) | 2021-05-26 | 2021-05-26 | Adjustable energy-saving high-efficiency steam jet pump nozzle |
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| CN (1) | CN215171107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163580A (en) * | 2022-07-03 | 2022-10-11 | 中国船舶重工集团公司第七0三研究所 | Steam jet compressor with variable working performance |
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2021
- 2021-05-26 CN CN202121139987.7U patent/CN215171107U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115163580A (en) * | 2022-07-03 | 2022-10-11 | 中国船舶重工集团公司第七0三研究所 | Steam jet compressor with variable working performance |
| CN115163580B (en) * | 2022-07-03 | 2024-05-17 | 中国船舶重工集团公司第七0三研究所 | Variable performance vapor injection compressor |
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