CN217854730U

CN217854730U - Steam turbine operation waste fitting discharging

Info

Publication number: CN217854730U
Application number: CN202222144941.5U
Authority: CN
Inventors: 纪家富; 田云健; 黄超
Original assignee: Huaneng Hegang Power Generation Co ltd
Current assignee: Huaneng Hegang Power Generation Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-11-22
Anticipated expiration: 2032-08-15

Abstract

The utility model belongs to the technical field of steam turbine equipment technique and specifically relates to a steam turbine operation waste fitting discharging is related to. The device comprises a settling tank, wherein a feeding hole is formed in one side of the top of the settling tank, a material guide hopper is arranged at the bottom of the settling tank, a slag discharging hole is formed in the center of the material guide hopper, and the slag discharging hole is detachably connected with a sealing cover; the center of the top of the settling box is provided with a motor, the output shaft of the motor downwards penetrates through the top of the settling box to be connected with a rotating shaft, the rotating shaft is connected with a plurality of scrapers, the scraper blade all with the laminating of guide fill surface, setting tank side lower part is equipped with the mouth that draws water, the drain pipe that the mouth that draws water passes through water pump connection level and sets up. The utility model discloses a setting and the scraper blade of guide fill surface laminating, the guide fill can be scraped to the scraper blade under the drive of axis of rotation and go up sedimentary impurity, and the impurity that the sediment got off is discharged fast, avoids adding the circulating water again after, impurity influences the deposit effect along with the circulating water discharges.

Description

Steam turbine operation waste fitting discharging

Technical Field

The utility model belongs to the technical field of steam turbine equipment technique and specifically relates to a steam turbine operation waste fitting discharging is related to.

Background

The cold water tower in the steam turbine is after long-time work, the inside impurity proportion of inside circulating water can improve after long-time use, thereby lead to the inside pipeline of steam turbine the phenomenon of scale deposit to appear, serious can influence the normal operating of steam turbine, so it is necessary regularly to carry out blowdown treatment to the circulating water, but current steam turbine operation waste fitting discharging in use still has some defects, after deposiing, the impurity that deposits down can not derive fast, when this also can lead to depositing after exporting the circulating water, impurity probably is attached to and is derived together inside the circulating water.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a steam turbine operation waste fitting discharging, this steam turbine operation waste fitting discharging can discharge the impurity that deposits fast and get off, avoids impurity along with the circulating water discharge.

The utility model provides a steam turbine operation pollution discharge device, which comprises a settling tank, wherein one side of the top of the settling tank is provided with a feed inlet, the bottom of the settling tank is provided with a guide hopper, the center of the guide hopper is downwards inclined to be provided with a slag discharge hole, and the slag discharge hole is detachably connected with a sealing cover; the utility model discloses a guide hopper, including setting up the setting up of setting up, setting up of setting up is equipped with the motor at setting up top center, motor output shaft runs through downwards the setting up top of setting up the setting up, output shaft axis of rotation, a plurality of scrapers of rotation axis connection, the scraper blade all with the laminating of guide hopper surface, setting up is equipped with the mouth that draws water to setting up side lower part, the mouth that draws water passes through the water pump and connects the drain pipe that the level set up.

Preferably, the pumping port is close to a positioning plate arranged on one side inside the settling tank, the pumping port is close to a screen arranged on one side of the water pump, a helical blade is arranged between the positioning plate and the screen, and the positioning plate is connected with the helical blade through a positioning shaft.

Preferably, the helical blade conforms to the screen surface.

Preferably, the rotating shaft is connected with the scraping plate through a connecting plate, and a fixing plate is arranged between the connecting plate and the scraping plate.

Preferably, both sides of the bottom of the sealing cover are provided with baffle plates, one ends of the baffle plates, far away from the sealing cover, are connected with the bottom of the settling tank through round rollers, and the baffle plates are rotatably connected with the round rollers.

Preferably, one side of the top of the water discharge pipe, which is close to the settling tank, is connected with the water pump, and the water pump is connected with the water discharge pipe through a water delivery pipe.

Preferably, a plurality of vertically arranged filtering devices are arranged in the water drainage pipe.

Preferably, filter equipment is including setting up mounting bracket on the drainpipe inner wall, the mounting bracket is kept away from settling tank one side is equipped with the filter screen, the filter screen periphery is equipped with the frame, be equipped with two semi-open type notches, every relatively on the mounting bracket the notch correspondence is equipped with a spout, be equipped with on the frame and follow the gliding fixture block of spout, fixture block accessible notch is deviate from the spout.

Preferably, one side of the frame, which is close to the mounting rack, is provided with a rubber ring.

Preferably, the mounting bracket is the same as the centre line of the frame.

Has the advantages that:

the utility model discloses a setting and the scraper blade of guide fill surface laminating, after the circulating water accomplishes the sediment and derives the circulating water in the setting tank, open the scum hole, the sedimentary impurity on the guide fill can be scraped off to the scraper blade under the drive of axis of rotation, and the impurity that gets off is deposited in quick discharge, after avoiding adding the circulating water once more, impurity influences the deposit effect along with the circulating water discharges.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a side view of the water pumping port of the present invention;

fig. 4 is a side view of the filtering device of the present invention.

Description of reference numerals:

1-a settling tank, 2-a motor, 3-a feed inlet, 4-a rotating shaft, 5-a fixing plate, 6-a connecting plate, 7-a guide hopper, 8-a scraper, 9-a slag discharge port, 10-a sealing cover, 11-a baffle, 12-a frame, 13-a filter screen, 14-a rubber ring, 15-a notch, 16-a fixture block, 17-a drain pipe, 18-a mounting frame, 19-a water delivery pipe, 20-a water pump, 21-a water pumping port, 22-a positioning plate, 23-a helical blade, 24-a positioning shaft, 25-a screen and 26-a chute.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-4, a steam turbine operation pollution discharge device comprises a settling tank 1, a feed inlet 3 is arranged on one side of the top of the settling tank 1, a material guide hopper 7 is arranged at the bottom of the settling tank 1, a slag discharge port 9 is arranged at the center of the material guide hopper 7, and one side of the material guide hopper 7 close to the slag discharge port is inclined downwards, so that impurities can conveniently enter the slag discharge port 9. The slag discharging port 9 is detachably connected with a sealing cover 10, and the detachable connection is a common connection mode in the field, such as threaded connection. Both sides all are equipped with baffle 11 in sealed lid 10 bottom, and baffle 11 is kept away from sealed lid 10 one end and all is connected 1 bottoms of setting tank through the round roller, and round roller one end and 1 bottoms fixed connection of setting tank, the other end rotate with the baffle to be connected, can compress tightly sealed lid 10 through rotating baffle 11, as shown in fig. 1. When it is desired to open the sealing cover 10, the flap 11 may be rotated to the side away from the sealing cover 10.

1 top of settling tank is equipped with the center and is equipped with

motor

2, 2 output shafts of motor run through 1 top of settling tank downwards, output shaft connection axis of rotation 4, axis of rotation 4 is located 1 insidely of settling tank, connecting plate 6 that a plurality of levels set up is connected to 4 bottoms of axis of rotation, the one end that axis of rotation 4 was kept away from to every connecting plate 6 is connected fixed plate 5, all be equipped with on fixed plate 5 with the scraper blade 8 of 7 surface laminatings of guide fill, conveniently scrape the impurity of 7 bottoms of guide fill, avoid the too thick subsequent circulating water treatment effect of influence of impurity deposit.

The lower part of the side surface of the settling tank 1 is provided with a water pumping port 21, the water pumping port 21 penetrates through the settling tank 1, a positioning plate 22 is arranged on one side, close to the interior of the settling tank 1, of the water pumping port 21, a screen 25 is arranged on one side, close to the water pump 20, of the water pumping port 21, a spiral blade 23 is arranged between the positioning plate 22 and the screen 25, the positioning plate 22 is connected with the spiral blade 23 through a positioning shaft 24, the spiral blade 23 is rotatably connected with the positioning shaft 24, and the spiral blade 23 is attached to the surface of the screen 25. Can drive helical blade 23 rotatory when the circulating water outflow settling tank 1 after the sediment, and then clear up the impurity of the great granule in screen cloth 25 surface, in the settling tank 1 is got back to again to impurity, avoids impurity to block up screen cloth 25 and influences the circulating water and discharges.

The water pumping port 21 is connected with one side, close to the settling tank 1, of the top of the water draining pipe 17 through the water pump 20, and the water draining pipe 17 is horizontally arranged and is adjacent to the settling tank 1. The water pump 20 is communicated with the water discharge pipe 17 through a water delivery pipe 19. The end of the drain pipe 17 close to the settling tank 1 is sealed, and the end far away from the settling tank 1 is a discharge end.

A plurality of vertically arranged filtering devices are arranged in the water discharge pipe 17, and the filtering devices are all positioned on one side far away from the water delivery pipe 19. The filtering device comprises a mounting frame 18 arranged on the inner wall of the drainage pipe 17, two semi-open type notches 15 are oppositely arranged on the mounting frame 18, the opening of each notch 15 faces towards the inside of the drainage pipe 17, each notch 15 is correspondingly provided with a sliding groove 26 on the mounting frame 18, each sliding groove 26 is a circular arc-shaped track, and the two sliding grooves 26 are in central symmetry. One side of the mounting frame 18, which is far away from the settling tank 1, is provided with a filter screen 13, the periphery of the filter screen 13 is provided with a frame 12, the frame 12 is provided with a fixture block 16 which can slide along a sliding groove 26, the fixture block 16 can be separated from the sliding groove 26 through the notch 15, and the mounting frame 18 is the same as the central line of the frame 12, so that the fixture block 16 can slide along the sliding groove 26 conveniently. The frame 12 can be mounted on the mounting frame 18 by engaging the engaging block 16 in the sliding groove 26 through the notch 15. Preferably, latch 16 is a T-shaped latch.

The rubber ring 14 is arranged on one side of the frame 12 close to the mounting rack 18, so that collision between the frame 12 and the mounting rack 18 is avoided.

The working process comprises the following steps:

when the utility model is used, circulating water enters the interior of the settling tank 1 through the feed inlet 3 at the top of the settling tank 1 for settling, and after the circulating water is settled in the interior of the settling tank 1, the water pump 20 is started to drive the circulating water to flow to the drain pipe 17 through the water pumping port 21; when circulating water passes through the water pumping port 21, the spiral blade 23 is driven to rotate, then filtering is carried out at the screen 25, the screen 25 can be cleaned when the spiral blade 23 rotates, and impurities are prevented from attaching to the screen 25 to affect discharge of the circulating water; after the circulating water is introduced into the inside of the water discharge pipe 17, fine impurities attached thereto are filtered by the multi-layer filter 13.

After the filtration is accomplished, rotating frame 12, rotating fixture block 16 to notch 15 along spout 26 department, pulling frame 12 keeps away from mounting bracket 18, takes out from drain pipe 17 is inside, clears up filter screen 13 in order to guarantee subsequent filter effect.

After the settled circulating water is led out from the settling tank 1, rotating the baffle plate 11 to the side far away from the sealing cover 10, so that the baffle plate 11 is moved away from the bottom of the sealing cover 10, and unscrewing the sealing cover 10; after starting motor 2, the output shaft drives axis of rotation 4 rotatory, and then drives scraper blade 8 through connecting plate 6, fixed plate 5 and remove, and scraper blade 8 hugs closely guide hopper 7 motion, strikes off adnexed impurity on the guide hopper 7, and impurity slides down along guide hopper 7, discharges through slag notch 9, can discharge the impurity that deposits fast, avoids the impurity deposit to influence subsequent circulating water treatment in guide hopper 7 bottom. After impurities in the settling tank 1 are cleaned, the sealing cover 10 is screwed, the baffle plate 11 is screwed to the bottom of the sealing cover 10, and the sealing cover 10 is further fixed.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications or substitutions do not depart from the scope of the invention in its corresponding aspects.

Claims

1. The steam turbine operation pollution discharge device is characterized by comprising a settling tank, wherein a feed inlet is formed in one side of the top of the settling tank, a guide hopper is arranged at the bottom of the settling tank, a slag discharge port is formed in the center of the guide hopper in a downward inclined mode, and the slag discharge port is detachably connected with a sealing cover; the utility model discloses a guide hopper, including setting up the setting up of setting up, setting up of setting up is equipped with the motor at setting up top center, motor output shaft runs through downwards the setting up top of setting up the setting up, output shaft axis of rotation, a plurality of scrapers of rotation axis connection, the scraper blade all with the laminating of guide hopper surface, setting up is equipped with the mouth that draws water to setting up side lower part, the mouth that draws water passes through the water pump and connects the drain pipe that the level set up.

2. The steam turbine operation blowdown device of claim 1, wherein a positioning plate is arranged on one side of the water pumping port close to the inside of the settling tank, a screen is arranged on one side of the water pumping port close to the water pump, a helical blade is arranged between the positioning plate and the screen, and the positioning plate is connected with the helical blade through a positioning shaft.

3. The steam turbine running blowdown device of claim 2, wherein the helical blade conforms to the screen surface.

4. The steam turbine running blowdown device of claim 1, wherein the rotating shaft is connected with the scraper through a connecting plate, and a fixing plate is arranged between the connecting plate and the scraper.

5. The steam turbine operation blowdown device according to claim 1, wherein baffle plates are arranged on two sides of the bottom of the sealing cover, one ends of the baffle plates, far away from the sealing cover, are connected with the bottom of the settling tank through round rollers, and the baffle plates are rotatably connected with the round rollers.

6. The turbine operation blowdown device of claim 1, wherein one side of the top of the drain pipe close to the settling tank is connected with the water pump, and the water pump is connected with the drain pipe through a water conveying pipe.

7. The steam turbine operation blowdown device of claim 1, wherein a plurality of vertically disposed filtering devices are disposed within the drain pipe.

8. The steam turbine operation pollution discharge device according to claim 7, wherein the filtering device comprises a mounting frame arranged on the inner wall of the drainage pipe, a filter screen is arranged on one side, away from the settling tank, of the mounting frame, a frame is arranged on the periphery of the filter screen, two semi-open type notches are oppositely arranged on the mounting frame, each notch is correspondingly provided with a sliding groove, a clamping block capable of sliding along the sliding groove is arranged on the frame, and the clamping block can be separated from the sliding groove through the notches.

9. The steam turbine operation blowdown device of claim 8, wherein a rubber ring is provided on a side of the frame adjacent to the mounting bracket.

10. The steam turbine operation drain of claim 8, wherein the mounting bracket is the same as a centerline of the frame.