Water seal cylinder device for low-level water tank of steam turbine of power plant

Abstract

The utility model discloses a power plant steam turbine low-level water tank water seal cylinder device which comprises a water seal cylinder, a water inlet plug, a water outlet plug, a supporting frame, a transmission mechanism, a lifting mechanism and a linkage mechanism, the water seal cylinder is provided with a water inlet and a water outlet, and the water inlet and the water outlet are communicated with a water inlet pipe and a water outlet pipe respectively. The water inlet plug is slidably arranged at the water inlet, the water outlet plug is slidably arranged at the water outlet, the supporting frame is fixedly connected to the inner wall of the water seal cylinder, the transmission mechanism is arranged on the supporting frame and used for transmitting the water inlet plug and the water outlet plug, and the lifting mechanism is arranged on the water inlet plug and used for lifting the water inlet plug according to the water level. The linkage mechanism is arranged on the water outlet plug and used for being in linkage with the water outlet plug to open and close the water outlet, the water seal barrel device of the low-level water tank of the steam turbine of the power plant facilitates treatment of overfilled water in the water seal barrel, and waste of water resources is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to water seal cylinder technical field, concretely relates to a power plant steam turbine low position water tank water seal cylinder device. BACKGROUND

[0002] The power plant steam turbine low position water tank water seal cylinder is the key equipment for guaranteeing the normal operation of the steam turbine low position water tank, is mostly made into the sealed cylindrical cavity with metal material, is equipped with the water inlet, the water outlet and the overflow device, part is also equipped with temperature, liquid level sensor, when working, based on the liquid static pressure balance principle, when the pressure difference exists on both sides, the water in the cylinder forms the static pressure layer and realizes the sealing, under the complex scene, the multistage water seal is used, and the water drainage resistance is increased through the step-by-step overflow, and the main role is sealing isolation, prevents the air and other pollutants from entering the system, balances the pressure simultaneously, maintains the system stability, can also recover the water drainage, realizes the water resource recycling.

[0003] The existing water seal cylinder detects the water level in the water seal cylinder by setting the sensor, but when the sensor fails after long time use, it is difficult to sense the water level in the water seal cylinder, and then the water in the water seal cylinder is easy to overflow, thereby easily causing waste of water resources. UTILITY MODEL CONTENTS

[0004] (I) technical problem solved

[0005] In view of the defects of the prior art, the utility model provides a power plant steam turbine low position water tank water seal cylinder device to solve the problem that the sensor in the prior art fails after long time use, and it is difficult to sense the water level in the water seal cylinder, and then the water in the water seal cylinder is easy to overflow, thereby causing waste of water resources.

[0006] (II) technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a power plant steam turbine low position water tank water seal cylinder device, which comprises a water seal cylinder, a water inlet and a water outlet are formed in the water seal cylinder, the water inlet and the water outlet are respectively communicated with a water inlet pipe and a water outlet pipe, and further comprises: a water inlet block, a water outlet block, a support frame, a transmission mechanism, a lifting mechanism and a linkage mechanism;

[0008] The water inlet block is slidably arranged at the water inlet;

[0009] The water outlet block is slidably arranged at the water outlet;

[0010] The support frame is fixedly connected to the inner wall of the water seal cylinder;

[0011] The transmission mechanism is arranged on the support frame and is used for driving the water inlet block and the water outlet block;

[0012] The lifting mechanism is arranged on the water inlet block and is used for lifting the water inlet block according to the water level;

[0013] The linkage mechanism is arranged on the water outlet block and is used for linking the water outlet block to open and close the water outlet.

[0014] Preferably, the transmission mechanism comprises a rotating shaft, a rotating gear and a transmission rod.

[0015] The rotating shafts are rotatably connected to the support frame.

[0016] The rotating gears are rotatably connected to the rotating shafts, and the rotating gears are meshed with each other.

[0017] The transmission rods are fixedly connected to the rotating gears.

[0018] Further, the lifting mechanism comprises a float, a lifting rod and a lifting wheel.

[0019] The float is fixedly connected to the bottom end of the water inlet block.

[0020] The lifting rod is fixedly connected to the bottom end of the float.

[0021] The lifting wheel is rotatably connected to the bottom end of the lifting rod, and the circumferential surface of the lifting wheel is in contact with the bottom end of one of the transmission rods.

[0022] Further, the linkage mechanism comprises a sliding block, a connecting frame and a linkage rod.

[0023] The sliding block is slidably connected to the other transmission rod.

[0024] The connecting frame is fixedly connected to the sliding block.

[0025] The linkage rod is fixedly connected between the connecting frame and the water outlet block.

[0026] As a further scheme of the present application, two groups of fixed frames are fixedly connected to the inner wall of the water seal cylinder, and sliding rings are fixedly connected to the fixed frames.

[0027] As a further scheme of the present application, a sliding groove is formed in the other transmission rod, and the sliding block is slidably connected in the sliding groove.

[0028] (Three) beneficial effects

[0029] Compared with the prior art, the utility model provides a low-position water tank water seal cylinder device of steam turbine of power plant, has the following beneficial effects:

[0030] The utility model discloses a water seal tube, including water seal cylinder, water inlet pipe, water outlet pipe, water inlet block, water outlet block, support frame, transmission mechanism, lifting mechanism and linkage mechanism, its characterized in that: the water inlet block is connected to the water inlet pipe, and the water outlet block is connected to the water outlet pipe. BRIEF DESCRIPTION OF DRAWINGS

[0031] Figure 1 It is the schematic diagram of three -dimensional structure of the whole of this application;

[0032] Figure 2 It is the schematic diagram of three -dimensional structure of the whole of this application;

[0033] Figure 3 It is the schematic diagram of three -dimensional structure of the whole of this application;

[0034] Figure 4 It is the schematic diagram of three -dimensional structure of the whole of this application; Figure 2 It is the schematic diagram of three -dimensional structure of the whole of this application;

[0035] In the drawing: 1, water seal cylinder;2, water inlet pipe;3, water outlet pipe;4, water inlet block;5, water outlet block;6, support frame;7, rotating shaft;8, rotating gear;9, transmission rod;10, float;11, lifting rod;12, lifting wheel;13, sliding block;14, connecting frame;15, linkage rod;16, fixed frame;17, slip ring. DETAILED DESCRIPTION

[0036] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with 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 the other embodiments obtained by the ordinary skilled in the art without creative work are within the protection scope of the utility model.

[0037] Please refer to Figures 1 to 4The utility model provides a kind of low-position water tank water seal cylinder device of power plant steam turbine, including water seal cylinder 1, water inlet and water outlet are set in water seal cylinder 1, water inlet and water outlet are respectively communicated with water inlet pipe 2 and water outlet pipe 3, further include: water inlet block 4, water outlet block 5, support frame 6, transmission mechanism, lifting mechanism and linkage mechanism, water inlet block 4 is slidably arranged at water inlet, water outlet block 5 is slidably arranged at water outlet, support frame 6 is fixedly connected on the inner wall of water seal cylinder 1, by the cooperation between water inlet block 4, water outlet block 5, support frame 6, transmission mechanism, lifting mechanism and linkage mechanism, it is convenient to rise with water level when the water level in water seal cylinder 1 is full, and float 10 and water inlet block 4 are followed, so as to make water inlet block 4 block water inlet, by the setting of transmission mechanism, lifting mechanism and linkage mechanism when water inlet block 4 rises, drive water outlet block 5 to rise, so as to open water outlet, it is convenient to handle overfull water in water seal cylinder 1, reduce the waste of water resources.

[0038] Transmission mechanism is arranged on support frame 6, for the transmission of water inlet block 4 and water outlet block 5, transmission mechanism includes: rotating shaft 7, rotating gear 8 and transmission rod 9, rotating shaft 7 is equipped with two, two rotating shafts 7 are all rotationally connected on support frame 6, two rotating shafts 7 are all rotationally connected with rotating gear 8, two rotating gears 8 are mutually engaged, two rotating gears 8 are all fixedly connected with transmission rod 9;

[0039] When lifting wheel 12 rises, transmission rod 9 in contact with lifting wheel 12 is driven to rise, by the engagement transmission between two rotating gears 8, drive two transmission rods 9 to rise, so as to conveniently drive linkage mechanism and water outlet block 5 to rise, and remove the blockage of water outlet.

[0040] Lifting mechanism is arranged on water inlet block 4, for lifting water inlet block 4 according to water level, and lifting mechanism includes: float 10, lifting rod 11 and lifting wheel 12, float 10 is fixedly connected at the bottom end of water inlet block 4, lifting rod 11 is fixedly connected at the bottom end of float 10, lifting wheel 12 is rotationally connected at the bottom end of lifting rod 11, and the circumferential surface of lifting wheel 12 is in contact with the bottom end of one of transmission rod 9;

[0041] When the water level in water seal cylinder 1 rises, water inlet block 4 is driven to rise by float 10, and lifting rod 11 and lifting wheel 12 are driven to rise, so as to make water inlet block 4 block water inlet, and continuously block water to water seal cylinder 1.

[0042] The linkage mechanism is arranged on the water outlet sealing block 5 and is used for linkage of the water outlet sealing block 5 to open and close the water outlet, and the linkage mechanism comprises a sliding block 13, a connecting frame 14 and a linkage rod 15, a sliding groove is formed on the other transmission rod 9, the sliding block 13 is slidably connected in the sliding groove, two groups of fixed frames 16 are fixedly connected on the inner wall of the water seal cylinder 1, the sliding rings 17 are fixedly connected on the two groups of fixed frames 16 respectively, the lifting rod 11 and the linkage rod 15 are slidably connected in the two sliding rings 17 respectively, the sliding block 13 is slidably connected on the other transmission rod 9, the connecting frame 14 is fixedly connected on the sliding block 13, and the linkage rod 15 is fixedly connected between the connecting frame 14 and the water outlet sealing block 5.

[0043] When the other transmission rod 9 rises, the connecting frame 14 and the linkage rod 15 are driven to rise by the sliding block 13, the water outlet sealing block 5 is driven to rise by the linkage rod 15, the water outlet is opened, the water in the water seal cylinder 1 is treated, and the waste of water resources is reduced.

[0044] When the water level in the water seal cylinder 1 is too high, the float 10 floats on the water surface and rises along with the water level, drives the water inlet sealing block 4 to rise, and drives the lifting rod 11 and the lifting wheel 12 to rise synchronously, so that the water inlet sealing block 4 blocks the water inlet, the transmission rod 9 is driven to rotate around one of the rotating gears 8, the other end of the transmission rod 9 is driven to rise through the transmission between the two rotating gears 8, the sliding block 13, the connecting frame 14 and the linkage rod 15 are driven to rise, the water outlet sealing block 5 is driven to move away from the water outlet when the linkage rod 15 rises, and the sliding block 13 is adaptively slid in the sliding groove when the linkage rod 15 and the water outlet sealing block 5 rise, so that the water outlet is opened, the water in the water seal cylinder 1 is treated, and the waste of water resource overflow is reduced.

[0045] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A water seal cylinder device for a low-level water tank of a power plant turbine, comprising a water seal cylinder (1), wherein the water seal cylinder (1) is provided with an inlet and an outlet, and an inlet pipe (2) and an outlet pipe (3) are respectively connected to the inlet and the outlet, characterized in that, Also includes: Water inlet plug (4), wherein the water inlet plug (4) is slidably disposed at the water inlet; Water outlet plug (5), wherein the water outlet plug (5) is slidably disposed at the water outlet; Support frame (6), the support frame (6) is fixedly connected to the inner wall of the water seal cylinder (1); A transmission mechanism is provided on the support frame (6) for transmitting power to the inlet plug (4) and the outlet plug (5); A lifting mechanism is provided on the water inlet plug (4) and is used to lift the water inlet plug (4) according to the water level; The linkage mechanism is installed on the water outlet plug (5) and is used to link the water outlet plug (5) to open and close the water outlet.

2. The water seal cylinder device for a low-level water tank of a power plant turbine according to claim 1, characterized in that, The transmission mechanism includes: Rotating shaft (7), two rotating shafts (7) are provided, and both rotating shafts (7) are rotatably connected to the support frame (6); Rotating gears (8) are rotatably connected to both of the two rotating shafts (7), and the two rotating gears (8) mesh with each other; The transmission rod (9) is fixedly connected to both of the two rotating gears (8).

3. The water seal cylinder device for a low-level water tank of a power plant turbine according to claim 2, characterized in that, The lifting mechanism includes: A float (10) is fixedly connected to the bottom end of the water inlet plug (4); A lifting rod (11) is fixedly connected to the bottom end of the float (10); A lifting wheel (12) is rotatably connected to the bottom end of the lifting rod (11), and the circumferential surface of the lifting wheel (12) is in contact with the bottom end of one of the transmission rods (9).

4. The water seal cylinder device for a low-level water tank of a power plant turbine according to claim 3, characterized in that, The linkage mechanism includes: A slider (13) is slidably connected to another transmission rod (9); A connecting frame (14) is fixedly connected to the slider (13); Linkage rod (15), which is fixedly connected between the connecting frame (14) and the water outlet plug (5).

5. A water seal cylinder device for a low-level water tank of a power plant turbine according to claim 4, characterized in that, Two sets of fixing brackets (16) are fixedly connected to the inner wall of the water seal cylinder (1), and slip rings (17) are fixedly connected to both sets of fixing brackets (16). The lifting rod (11) and the linkage rod (15) are slidably connected in the two slip rings (17).

6. A water seal cylinder device for a low-level water tank of a power plant turbine according to claim 5, characterized in that, Another transmission rod (9) has a groove, and the slider (13) is slidably connected in the groove.

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