CN212106987U - Flow control device for liquid-free ammonia drainage process of steam turbine - Google Patents
Flow control device for liquid-free ammonia drainage process of steam turbine Download PDFInfo
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- CN212106987U CN212106987U CN202020412501.1U CN202020412501U CN212106987U CN 212106987 U CN212106987 U CN 212106987U CN 202020412501 U CN202020412501 U CN 202020412501U CN 212106987 U CN212106987 U CN 212106987U
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Abstract
The utility model belongs to the technical field of flow control, in particular to a flow control device used in the drainage process of liquid-free ammonia of a steam turbine, aiming at the problems that the prior flow control system mainly depends on the opening degree between a valve core and a valve port to adjust the liquid flow passing through the flow control valve, when manual adjustment is adopted, accurate output flow cannot be obtained, and difficulties are brought to workers, the utility model provides a scheme which comprises a shell, wherein the top of the shell is communicated with a water inlet pipe, the bottom of the shell is communicated with a water outlet pipe, a first splitter plate is fixedly connected on the inner wall of the shell, and the bottom of the first splitter plate is fixedly connected with the top end of a rotating shaft, the utility model discloses a liquid flow of the valve is controlled by the flow control system through a plurality of preset gears by arranging the first splitter plate and the second splitter plate, and accurate output flow can be obtained by manual adjustment, bringing convenience to the working personnel.
Description
Technical Field
The utility model relates to a flow control technical field especially relates to a flow control device that is arranged in steam turbine does not have liquid ammonia drainage process.
Background
Energy and environment are important problems restricting the development of human beings, and the requirements of the development of energy industry and environmental protection are considered, so that the method is an important subject of sustainable development of coal producing countries in China. China is a coal-rich country, and mainly uses thermal power generation in the power industry, so that coal is often the first choice when people select fuel. Circulating fluidized bed boiler (CFBB for short) is a new generation boiler developed internationally in recent years, and is a highly efficient environment-friendly boiler which is advocated at home and abroad at present. Has the advantages of wide coal type adaptability, good load regulation performance, high combustion efficiency, small environmental pollution and the like. Therefore, the method is more and more widely applied to the industries of electric power, heat supply, chemical production and the like. The purpose of matching with the steam turbine water supply system of the circulating fluidized bed boiler is to prevent and slow down the bad phenomena of scaling, salt accumulation, corrosion and the like which affect the normal use effect of the industrial boiler in the long-term use of the boiler;
however, the discharge flow is often controlled during the process of liquid-free ammonia drainage, but the existing flow control system mainly adjusts the flow of liquid flowing through the flow control valve by the opening degree between the valve core and the valve port, and when manual adjustment is adopted, accurate output flow cannot be obtained, which brings difficulty to workers.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the liquid flow of the flow control valve is adjusted mainly by the opening between the valve core and the valve port in the existing flow control system, when manual adjustment is adopted, the accurate output flow can not be obtained, the defect of difficulty is brought to the staff, and the flow control device for the steam turbine does not have the liquid ammonia drainage process is provided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a flow control device used in the drainage process of liquid-free ammonia of a steam turbine comprises a shell, wherein the top of the shell is communicated with a water inlet pipe, the bottom of the shell is communicated with a water outlet pipe, a first splitter plate is fixedly connected to the inner wall of the shell, the bottom of the first splitter plate is fixedly connected with the top end of a rotating shaft, the bottom end of the rotating shaft is rotatably connected with the top of a second splitter plate, a water through hole is formed in the first splitter plate and matched with the second splitter plate, a first gear cavity is formed in the shell, and the top of casing is seted up the first rotatory hole of putting through mutually with first gear chamber, and first rotary rod is installed to first rotatory downthehole internal rotation, and the one end of first rotary rod extends to first gear intracavity and the first gear of fixedly connected with, and the other end of first rotary rod extends to the outside of casing and fixedly connected with turn round, and the turn round cooperatees with the second reposition of redundant personnel piece.
Preferably, the second flow dividing plate is provided with a first flow dividing hole, a second flow dividing hole, a third flow dividing hole, a fourth flow dividing hole and a fifth flow dividing hole, and the first flow dividing hole, the second flow dividing hole, the third flow dividing hole, the fourth flow dividing hole and the fifth flow dividing hole are matched with the water through hole, so that the second flow dividing plate can control the flow of the first flow dividing plate.
Preferably, an annular sliding groove is formed in the inner wall of the shell, a gear ring is fixedly sleeved on the outer side of the second splitter plate and extends into the annular sliding groove, and therefore the gear ring can slide in the annular sliding groove.
Preferably, set up the second gear chamber that the annular chute put through mutually on the casing, same second rotatory hole has all been seted up to one side that second gear chamber and first gear chamber are close to each other, the second rotary rod is installed to the rotatory downthehole internal rotation of second, the one end of second rotary rod extends to first gear intracavity and fixedly connected with second gear, second gear and first gear mesh mutually, the other end of second rotary rod extends to second gear intracavity and fixedly connected with third gear, the third gear meshes with the ring gear mutually, make the third gear rotate the round and can drive the ring gear and rotate one sixth.
Preferably, the top fixedly connected with calibrated scale of casing has seted up the third on the calibrated scale, and first rotary rod runs through the third rotatory hole, and the calibrated scale cooperatees with the turn-knob for the turn-knob can carry out accurate rotation through the calibrated scale.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the first splitter plate is matched with the second splitter plate, and the limber holes are matched with the first splitter hole, the second splitter hole, the third splitter hole, the fourth splitter hole and the fifth splitter hole, so that drainage quantity can be changed according to a plurality of preset gears;
(2) according to the scheme, the first gear is matched with the second gear, and the third gear is matched with the gear ring, so that an operator can accurately control output flow through the rotary knob;
the utility model discloses in through setting up first reposition of redundant personnel piece and second reposition of redundant personnel piece for flow control system comes the liquid flow of control valve through several gears that set up in advance, and can obtain accurate output flow through artifical manual regulation, and it is convenient to bring for the staff.
Drawings
Fig. 1 is a schematic sectional structure view of a flow control device for a liquid-free ammonia drainage process of a steam turbine according to the present invention;
fig. 2 is a schematic structural view of a first splitter plate of a flow control device for a liquid-free ammonia drainage process of a steam turbine according to the present invention;
fig. 3 is a schematic structural view of a second splitter plate of the flow control device for the liquid-free ammonia drainage process of the steam turbine according to the present invention;
fig. 4 is an enlarged schematic view of a portion a in fig. 1 of a flow control device for a liquid-free ammonia drainage process of a steam turbine according to the present invention.
In the figure: the water inlet pipe comprises a shell 1, a water inlet pipe 2, a water outlet pipe 3, a first flow dividing plate 4, a rotating shaft 5, a second flow dividing plate 6, a first gear cavity 7, a first rotating rod 8, a first gear 9, a rotating knob 10, a first flow dividing hole 11, a second flow dividing hole 12, a third flow dividing hole 13, a fourth flow dividing hole 14, a fifth flow dividing hole 15, a gear ring 16, a second gear cavity 17, a second rotating rod 18, a second gear 19, a third gear 20 and a dial 21.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a flow control device for use in a liquid-free ammonia drainage process of a steam turbine comprises a housing 1, a water inlet pipe 2 is connected to the top of the housing 1, a water outlet pipe 3 is connected to the bottom of the housing 1, a first splitter plate 4 is fixedly connected to the inner wall of the housing 1, the bottom of the first splitter plate 4 is fixedly connected to the top end of a rotating shaft 5, the bottom end of the rotating shaft 5 is rotatably connected to the top of a second splitter plate 6, a water through hole is formed in the first splitter plate 4 and is matched with the second splitter plate 6, a first gear cavity 7 is formed in the housing 1, a first rotating hole connected to the first gear cavity 7 is formed in the top of the housing 1, a first rotating rod 8 is rotatably installed in the first rotating hole, one end of the first rotating rod 8 extends into the first gear cavity 7 and is fixedly connected with a first gear 9, the other end of the first rotating rod 8 extends to the outside of the housing 1 and is fixedly connected with a rotating, the rotary knob 10 is engaged with the second splitter plate 6.
In this embodiment, the second flow dividing plate 6 is provided with a first flow dividing hole 11, a second flow dividing hole 12, a third flow dividing hole 13, a fourth flow dividing hole 14 and a fifth flow dividing hole 15, and the first flow dividing hole 11, the second flow dividing hole 12, the third flow dividing hole 13, the fourth flow dividing hole 14 and the fifth flow dividing hole 15 are matched with the water through hole, so that the second flow dividing plate 6 can control the flow rate of the first flow dividing plate 4.
In this embodiment, an annular sliding groove is formed in the inner wall of the casing 1, the gear ring 16 is fixedly sleeved on the outer side of the second splitter plate 6, and the gear ring 16 extends into the annular sliding groove, so that the gear ring 16 slides in the annular sliding groove.
In this embodiment, a second gear cavity 17 that the annular sliding groove is communicated with is provided on the casing 1, one side of the second gear cavity 17 that is close to the first gear cavity 7 has all been provided with the same second rotating hole, a second rotating rod 18 is installed in the second rotating hole, one end of the second rotating rod 18 extends into the first gear cavity 7 and is fixedly connected with a second gear 19, the second gear 19 is engaged with the first gear 9, the other end of the second rotating rod 18 extends into the second gear cavity 17 and is fixedly connected with a third gear 20, the third gear 20 is engaged with the gear ring 16, so that the third gear 20 rotates a circle and can drive the gear ring 16 to rotate one sixth.
In this embodiment, a dial 21 is fixedly connected to the top of the housing 1, a third rotation hole is formed in the dial 21, the first rotation rod 8 penetrates through the third rotation hole, and the dial 21 is matched with the knob 10, so that the knob 10 can rotate precisely through the dial 21.
Example two
Referring to fig. 1-4, a flow control device for use in a liquid-free ammonia drainage process of a steam turbine, which comprises a shell 1, a water inlet pipe 2 is communicated with the top of the shell 1, a water outlet pipe 3 is communicated with the bottom of the shell 1, a first shunt plate 4 is fixedly connected with the inner wall of the shell 1 by welding, the bottom of the first shunt plate 4 is connected with the top end of a rotating shaft 5 by welding, the bottom end of the rotating shaft 5 is rotatably connected with the top of a second shunt plate 6, a water through hole is formed in the first shunt plate 4, the water through hole is matched with the second shunt plate 6, a first gear cavity 7 is formed in the shell 1, a first rotating hole communicated with the first gear cavity 7 is formed in the top of the shell 1, a first rotating rod 8 is rotatably installed in the first rotating hole, one end of the first rotating rod 8 extends into the first gear cavity 7 and is fixedly connected with a first gear 9 by welding, the other end of the first rotating rod 8 extends to the outside of the shell 1 and is fixedly The rotary knob 10 is engaged with the second splitter plate 6.
In this embodiment, the second flow dividing plate 6 is provided with a first flow dividing hole 11, a second flow dividing hole 12, a third flow dividing hole 13, a fourth flow dividing hole 14 and a fifth flow dividing hole 15, and the first flow dividing hole 11, the second flow dividing hole 12, the third flow dividing hole 13, the fourth flow dividing hole 14 and the fifth flow dividing hole 15 are matched with the water through hole, so that the second flow dividing plate 6 can control the flow rate of the first flow dividing plate 4.
In this embodiment, an annular sliding groove is formed in the inner wall of the casing 1, the gear ring 16 is fixedly sleeved on the outer side of the second splitter plate 6, and the gear ring 16 extends into the annular sliding groove, so that the gear ring 16 slides in the annular sliding groove.
In this embodiment, a second gear cavity 17 that the annular sliding groove is communicated with is provided on the casing 1, one side of the second gear cavity 17 that is close to the first gear cavity 7 has all provided with the same second rotating hole, a second rotating rod 18 is rotatably installed in the second rotating hole, one end of the second rotating rod 18 extends into the first gear cavity 7 and is connected with a second gear 19 through welding and fixing, the second gear 19 is engaged with the first gear 9, the other end of the second rotating rod 18 extends into the second gear cavity 17 and is connected with a third gear 20 through welding and fixing, the third gear 20 is engaged with the gear ring 16, so that the third gear 20 rotates one circle to drive the gear ring 16 to rotate one sixth.
In this embodiment, the top of the housing 1 is fixedly connected with a dial 21 by welding, a third rotating hole is formed on the dial 21, the first rotating rod 8 penetrates through the third rotating hole, and the dial 21 is matched with the knob 10, so that the knob 10 can rotate accurately through the dial 21.
In this embodiment, when in use, the output flow rate can be controlled by rotating the knob 10 corresponding to the gear on the dial 21, the knob 10 drives the first rotating rod 8 to rotate, the first rotating rod 8 drives the first gear 9 to rotate, the first gear 9 drives the second gear 19 to rotate, at this time, the first gear 9 rotates one sixth to drive the second gear 19 to rotate one circle, the second gear 19 drives the second rotating rod 18 to rotate, the second rotating rod 18 drives the third gear 20 to rotate, the third gear 20 drives the second splitter 6 to rotate through the gear ring 16, at this time, the third gear 20 rotates one circle to indirectly drive the second splitter 6 to rotate one sixth, so that the knob 10 can indirectly drive the second splitter 6 to rotate one sixth when rotating one sixth, so that the second splitter 6 drives the first splitter hole 11, the second splitter hole 12, and the third splitter hole 13, The fourth and fifth flow dividing holes 14, 15 are connected to the water passage holes of the first flow dividing hole 4, respectively, so that the flow rate flowing from the water inlet pipe 2 into the housing 1 and then discharging from the water outlet pipe 3 can be precisely controlled in a further step.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. A flow control device for a liquid-free ammonia drainage process of a steam turbine comprises a shell (1) and is characterized in that a water inlet pipe (2) is communicated with the top of the shell (1), a water outlet pipe (3) is communicated with the bottom of the shell (1), a first shunt plate (4) is fixedly connected onto the inner wall of the shell (1), the bottom of the first shunt plate (4) is fixedly connected with the top end of a rotating shaft (5), the bottom end of the rotating shaft (5) is rotatably connected with the top of a second shunt plate (6), a water through hole is formed in the first shunt plate (4), the water through hole is matched with the second shunt plate (6), a first gear cavity (7) is formed in the shell (1), a first rotating hole communicated with the first gear cavity (7) is formed in the top of the shell (1), a first rotating rod (8) is rotatably installed in the first rotating hole, one end of the first rotating rod (8) extends into the first gear cavity (7) and is fixedly connected with a first gear (9), the other end of the first rotating rod (8) extends to the outside of the shell (1) and is fixedly connected with a rotating knob (10), and the rotating knob (10) is matched with the second shunting piece (6).
2. The flow control device for the liquid-free ammonia drainage process of the steam turbine as claimed in claim 1, wherein the second splitter plate (6) is provided with a first splitter hole (11), a second splitter hole (12), a third splitter hole (13), a fourth splitter hole (14) and a fifth splitter hole (15), and the first splitter hole (11), the second splitter hole (12), the third splitter hole (13), the fourth splitter hole (14) and the fifth splitter hole (15) are matched with the water through holes.
3. The flow control device for the liquid-free ammonia drainage process of the steam turbine as claimed in claim 1, wherein an annular chute is formed in the inner wall of the casing (1), a gear ring (16) is fixedly sleeved on the outer side of the second splitter vane (6), and the gear ring (16) extends into the annular chute.
4. The flow control device for the liquid-free ammonia drainage process of the steam turbine as claimed in claim 1, wherein the casing (1) is provided with a second gear cavity (17) communicated with the annular sliding groove, one side of the second gear cavity (17) close to the first gear cavity (7) is provided with a second rotating hole, a second rotating rod (18) is rotatably mounted in the second rotating hole, one end of the second rotating rod (18) extends into the first gear cavity (7) and is fixedly connected with a second gear (19), the second gear (19) is meshed with the first gear (9), the other end of the second rotating rod (18) extends into the second gear cavity (17) and is fixedly connected with a third gear (20), and the third gear (20) is meshed with the gear ring (16).
5. The flow control device for the liquid-free ammonia drainage process of the steam turbine as claimed in claim 1, wherein a dial (21) is fixedly connected to the top of the housing (1), a third rotating hole is formed in the dial (21), the first rotating rod (8) penetrates through the third rotating hole, and the dial (21) is matched with the rotating knob (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412501.1U CN212106987U (en) | 2020-03-27 | 2020-03-27 | Flow control device for liquid-free ammonia drainage process of steam turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020412501.1U CN212106987U (en) | 2020-03-27 | 2020-03-27 | Flow control device for liquid-free ammonia drainage process of steam turbine |
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| Publication Number | Publication Date |
|---|---|
| CN212106987U true CN212106987U (en) | 2020-12-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020412501.1U Active CN212106987U (en) | 2020-03-27 | 2020-03-27 | Flow control device for liquid-free ammonia drainage process of steam turbine |
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| Country | Link |
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| CN (1) | CN212106987U (en) |
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- 2020-03-27 CN CN202020412501.1U patent/CN212106987U/en active Active
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