Stable steam turbine generator flow adjusting assembly

Abstract

The utility model discloses a stable type steam turbine generator flow adjusting assembly. Comprising a flow regulating valve body, a turbonator liquid inlet pipe, a turbonator liquid outlet pipe and a threaded valve rod, wherein one end of the turbonator liquid inlet pipe is connected with the flow regulating valve body, and the other end of the turbonator liquid inlet pipe is connected with a turbonator pipeline; one end of the turbonator liquid outlet pipe is connected with the flow regulating valve body, and the other end of the turbonator liquid outlet pipe is connected with the turbonator pipeline; the protection assembly is arranged on the right side of the flow regulating valve body; according to the flow regulating valve, after an operator completes flow regulation of a steam turbine generator, the threaded valve rod can be effectively shielded and protected, so that possible accidental touch between external foreign matters and the threaded valve rod is prevented, and the stability of the flow regulating valve main body is ensured; and external water stains and oil liquid can be prevented from dripping on the surface of the threaded valve rod to cause unnecessary erosion, so that the stable use of the whole flow regulation assembly of the steam turbine generator is ensured.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steam turbine generator technical field, concretely relates to a stable steam turbine generator flow regulating assembly. BACKGROUND

[0002] Steam turbine generator refers to the generator of steam turbine drive, and the superheated steam generated by the boiler enters the steam turbine and expands to work, so that the blade rotates to drive the generator to generate electricity, and the waste steam after work is sent back to the boiler by the condenser, circulating water pump, condensate pump and feed water heating device for recycling, and the stable operation of the steam turbine generator cannot be separated from the stable regulation of the flow, and the flow regulating valve and inlet and outlet pipes are generally installed in the steam pipe and bearing lubrication pipe of the steam turbine generator, such as the "new type steam turbine generator bearing flow regulating valve" disclosed in the prior art patent with the publication number CN203823090U, which is composed of a valve body, a valve cover, a valve rod nut, a valve rod and a valve core, the valve body is provided with an oil inlet hole and an oil outlet hole, the valve rod passes through the valve cover and is fixed with the valve cover through the valve rod nut to realize the rotation of the valve rod, the valve cover is fixed on the valve body, and the valve rod extends into the valve body and is provided with a valve core at one end, it can be seen that the application described in the application is a common steam turbine generator flow regulating assembly, which mainly relies on the flow regulating valve to realize the regulation of the flow;

[0003] The steam turbine generator flow regulating assembly in the prior art has the top end of the valve rod extending to the top of the valve body without taking any blocking and protection measures, and the operating environment of the steam turbine generator is relatively harsh, on the one hand, the valve rod is easily loosened by external foreign matter bumping, and on the other hand, some water stains and oil stains are easily dropped on the surface of the valve rod, causing unnecessary corrosion, and when the subsequent operator needs to adjust the flow regulating assembly again, the valve rod may be rusted and locked, thereby reducing the use stability of the entire flow regulating assembly, and therefore the utility model provides a stable steam turbine generator flow regulating assembly. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a stable steam turbine generator flow regulating assembly to solve the problems in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme: a stable steam turbine generator flow regulating assembly, which comprises

[0006] The flow regulating valve body, the steam turbine liquid inlet pipe connected with one end of the flow regulating valve body and the steam turbine pipeline connected with the other end, the steam turbine liquid outlet pipe connected with one end of the flow regulating valve body and the steam turbine pipeline connected with the other end, and the threaded valve rod arranged at the top end of the flow regulating valve body.

[0007] And the protection assembly arranged at the right side of the flow regulating valve body, the protection assembly comprising a rectangular base block fixed on the surface of the right side of the flow regulating valve body, a movable round rod vertically penetrating through the rectangular base block, a movable bottom block arranged at the bottom end of the movable round rod and rotatably connected with the movable round rod, an end block fixed on the top end of the movable round rod, a protection cover fixed on the side surface of the end block and corresponding to the threaded valve rod, and a spring sleeved on the surface of the movable round rod and between the rectangular base block and the movable bottom block.

[0008] Preferably, the top end of the spring abuts against the bottom surface of the rectangular base block, and the bottom end of the spring abuts against the top surface of the movable bottom block.

[0009] Preferably, the left end of the movable bottom block is in sliding contact with the surface of the right side of the flow regulating valve body.

[0010] Preferably, the surface of the left side of the movable bottom block is fixed with a side sliding block, and the surface of the right side of the flow regulating valve body is provided with a strip-shaped sliding channel corresponding to the side sliding block, and the side sliding block is slidably arranged in the strip-shaped sliding channel.

[0011] Preferably, the bottom end of the movable round rod penetrates through the bottom surface of the movable bottom block and is fixed with a circular bottom block.

[0012] Preferably, the sealing assembly is further arranged on the top of the flow regulating valve body.

[0013] Preferably, the sealing assembly comprises an annular seat fixed on the top surface of the flow regulating valve body and surrounding the threaded valve rod, an annular rubber ring mounted on the inner wall of the annular seat, and an annular clamping groove arranged on the surface of the protection cover and corresponding to the annular rubber ring.

[0014] Preferably, the surface of the rectangular base block is provided with a circular through hole corresponding to the movable round rod.

[0015] Compared with the prior art, the utility model has the advantages that: the utility model discloses a flow regulating valve body, which is improved and optimized on the basis of the original structure of the flow regulating assembly of the steam turbine generator in the prior art, and the protection assembly and the sealing assembly are designed, so that the threaded valve rod can be effectively shielded after the operator completes the flow regulation of the steam turbine generator, the stability of the flow regulating valve body is ensured, unnecessary erosion of the surface of the threaded valve rod caused by external water stains and oil drops is prevented, and the threaded valve rod can be smoothly rotated and screwed when the subsequent operator needs to adjust the flow of the steam turbine generator through the flow regulating valve body again, so that the stable use of the entire flow regulating assembly of the steam turbine generator is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 Figure is a structure diagram of the protective assembly of the utility model;

[0018] Figure 3 Figure is a structure diagram of the sealing assembly of the utility model;

[0019] In the figure: 1, flow regulating valve main body; 2, steam turbine generator liquid inlet pipe; 3, steam turbine generator liquid outlet pipe; 4, threaded valve stem; 5, protective assembly; 51, rectangular base block; 52, movable round rod; 53, end block; 54, protective cover; 541, annular clamping groove; 55, movable bottom block; 551, side sliding block; 56, spring; 57, circular bottom block; 6, sealing assembly; 61, annular seat; 62, annular rubber ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model. EMBODIMENT

[0021] Please refer to Figure 1 and Figure 2 , the first embodiment of the utility model provides a technical scheme: a stable steam turbine generator flow regulating assembly, comprising

[0022] Flow regulating valve main body 1, one end of steam turbine generator liquid inlet pipe 2 connected with flow regulating valve main body 1 and the other end connected with steam turbine generator pipeline, one end of steam turbine generator liquid outlet pipe 3 connected with flow regulating valve main body 1 and the other end connected with steam turbine generator pipeline, threaded valve stem 4 arranged at the top end of flow regulating valve main body 1, and the threaded valve stem 4 can be rotated clockwise or counterclockwise subsequently, the lifting of threaded valve stem 4 is realized, thereby the valve core in flow regulating valve main body 1 is lifted, the flow regulation of steam turbine generator pipeline is realized, and the above-mentioned parts are all disclosed technologies in the existing patent, and the specific can refer to the existing patent with the publication number CN203823090U, and here is not too much repetition.

[0023] And the protection assembly 5 arranged at the right side of the flow regulating valve body 1, comprising a rectangular base block 51 welded and fixed on the right side surface of the flow regulating valve body 1, a movable round rod 52 vertically penetrating through the rectangular base block 51, a movable bottom block 55 arranged at the bottom end of the movable round rod 52 and rotationally connected with the movable round rod 52, an end block 53 welded and fixed at the top end of the movable round rod 52, a protection cover 54 fixed at the side surface of the end block 53 and corresponding to the threaded valve rod 4, a spring 56 sleeved on the surface of the movable round rod 52 and located between the rectangular base block 51 and the movable bottom block 55, when the operator completes the screwing adjustment of the threaded valve rod 4, the operator can force to lift the end block 53, so that the movable round rod 52 moves upwards with the movable bottom block 55, and the spring 56 is gradually compressed, until the height of the protection cover 54 is higher than the top end height of the threaded valve rod 4, at this time the end block 53 can be rotated, so that the movable round rod 52 and the protection cover 54 rotate, until the protection cover 54 can be smoothly rotated to the top of the threaded valve rod 4, at this time the end block 53 is loosened, under the pushing action of the spring 56, the movable round rod 52 moves downwards with the end block 53 and the protection cover 54 to reset, finally the protection cover 54 can cover the top of the flow regulating valve body 1, and the threaded valve rod 4 is covered inside to effectively protect, which not only prevents the possible accidental contact of foreign matters with the threaded valve rod 4, ensures the stability of the threaded valve rod 4, but also prevents the water stains and oil droplets in the external environment from falling on the surface of the threaded valve rod 4 to cause unnecessary corrosion, ensures that the threaded valve rod 4 can be smoothly rotated and screwed when the subsequent operator needs to adjust the flow of the steam turbine generator through the flow regulating valve body 1 again.

[0024] Wherein, the top end of the spring 56 abuts against the bottom surface of the rectangular base block 51, and the bottom end of the spring 56 abuts against the top surface of the movable bottom block 55.

[0025] Wherein, the left end of the movable bottom block 55 is in sliding contact with the right side surface of the flow regulating valve body 1, and can play a certain supporting role when the movable bottom block 55 slides up and down, and the left side surface of the movable bottom block 55 is welded and fixed with a side sliding block 551, and the right side surface of the flow regulating valve body 1 is provided with a strip-shaped sliding groove corresponding to the side sliding block 551, and the side sliding block 551 is located in the strip-shaped sliding groove in sliding manner, which can further guide and support the movable bottom block 55 to ensure the stability of the movable round rod 52 during lifting.

[0026] Wherein, the bottom end of the movable round rod 52 penetrates through the bottom surface of the movable bottom block 55 and is fixed with a circular bottom block 57, so that the bottom end of the movable round rod 52 can be rotationally connected with the movable bottom block 55.

[0027] Wherein, the surface of the rectangular base block 51 is provided with a circular through hole corresponding to the movable round rod 52 for smooth penetration of the movable round rod 52. Embodiment

[0028] Please refer to Figures 1 to 3For the second embodiment of the utility model, the embodiment is based on the previous embodiment, and the difference is that the sealing assembly 6 is arranged to ensure the sealing property when the protective cover 54 is covered on the top of the flow regulating valve body 1.

[0029] Specifically, the sealing assembly 6 is arranged on the top of the flow regulating valve body 1, the sealing assembly 6 comprises an annular seat 61 fixed on the top surface of the flow regulating valve body 1, and the annular seat 61 surrounds the threaded valve stem 4, the inner wall of the annular seat 61 is provided with an annular rubber ring 62, both are made of fluorine rubber material, and will be elastically deformed when being extruded, and the surface of the protective cover 54 is provided with an annular clamping groove 541 corresponding to the annular rubber ring 62, so that the subsequent operator rotates the protective cover 54 and covers it on the top of the flow regulating valve body 1, the bottom end of the protective cover 54 can be attached to the inner wall of the annular seat 61, and the annular rubber ring 62 is extruded into the annular clamping groove 541, so that a good sealing is formed, the entry of external water vapor, water stains and oil is prevented, and the protective stability of the threaded valve stem 4 is further improved.

[0030] Although the embodiments of the utility model have been shown and described (see the above detailed description), it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A stable steam turbine generator flow regulation component, characterized in that: include The flow regulating valve body (1), the turbine generator inlet pipe (2) with one end connected to the flow regulating valve body (1) and the other end connected to the turbine generator pipeline, the turbine generator outlet pipe (3) with one end connected to the flow regulating valve body (1) and the other end connected to the turbine generator pipeline, and the threaded valve stem (4) set at the top of the flow regulating valve body (1). The protective assembly (5) is located on the right side of the flow regulating valve body (1), including a rectangular base block (51) fixed on the right side surface of the flow regulating valve body (1), a movable round rod (52) that runs vertically through the rectangular base block (51), a movable bottom block (55) located at the bottom end of the movable round rod (52) and rotatably connected to the movable round rod (52), an end block (53) fixed at the top end of the movable round rod (52), a protective cover (54) fixed on the side of the end block (53) and corresponding to the threaded valve stem (4), and a spring (56) sleeved on the surface of the movable round rod (52) and located between the rectangular base block (51) and the movable bottom block (55).

2. The stable steam turbine generator flow regulation component according to claim 1, characterized in that: The top end of the spring (56) abuts against the bottom surface of the rectangular base block (51), and the bottom end of the spring (56) abuts against the top surface of the movable base block (55).

3. The stable steam turbine generator flow regulation component according to claim 1, characterized in that: The left end of the movable base block (55) slides in contact with the right side surface of the flow regulating valve body (1).

4. The stable steam turbine generator flow regulation component according to claim 3, characterized in that: The left side surface of the movable base block (55) is fixed with a side slider (551), and the right side surface of the flow regulating valve body (1) is provided with a strip-shaped slide corresponding to the side slider (551), and the side slider (551) slides in the strip-shaped slide.

5. The stable steam turbine generator flow regulation component according to claim 1, characterized in that: The bottom end of the movable round rod (52) extends through to the bottom surface of the movable base block (55) and is fixed with a circular base block (57).

6. The stable steam turbine generator flow regulation component according to claim 1, characterized in that: It also includes a sealing assembly (6) which is disposed on top of the flow regulating valve body (1).

7. The stable steam turbine generator flow regulation component according to claim 6, characterized in that: The sealing assembly (6) includes an annular seat (61) fixed on the top surface of the flow regulating valve body (1), and the annular seat (61) surrounds the threaded valve stem (4). An annular rubber ring (62) is installed on the inner wall of the annular seat (61), and an annular groove (541) corresponding to the annular rubber ring (62) is opened on the surface of the protective cover (54).

8. The stable steam turbine generator flow regulation component according to claim 1, characterized in that: The rectangular base block (51) has a circular perforation through its surface, corresponding to the movable round rod (52).

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