CN215374603U

CN215374603U - Sediment sampler is arranged to thermal power plant

Info

Publication number: CN215374603U
Application number: CN202121822810.7U
Authority: CN
Inventors: 公伟
Original assignee: Huaneng Linyi Power Generation Co Ltd
Current assignee: Huaneng Linyi Power Generation Co Ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2021-12-31
Anticipated expiration: 2031-08-05

Abstract

The utility model provides a thermal power plant slag-discharging sampler, which comprises a telescopic rod and a sampling head, wherein the sampling head is connected at the lower end part of an inner rod of the telescopic rod and comprises a collecting cylinder, side plates connected at the two ends of the collecting cylinder and used for plugging an opening, and a sampling paddle arranged in the collecting cylinder, the axial lead of the collecting cylinder is parallel to the horizontal plane, the lower end part of the collecting cylinder is provided with a sampling port extending along the axial direction of the collecting cylinder, the sampling paddle comprises a paddle shaft extending along the horizontal direction and a plurality of flat-plate-shaped paddles, the paddle shaft is coincided with the axial lead of the collecting cylinder, the paddle shaft is rotatably erected on the side plates, one end part of each paddle is connected with the paddle shaft, the other end part of each paddle shaft extends outwards along the radial direction of the paddle shaft, the plurality of paddles are distributed in an annular array along the axial lead of the paddle shaft, cavities formed by the adjacent paddles, the inner wall of the collecting cylinder and the side plates form collecting cabins, and the adjacent collecting cabins are mutually isolated The automatic cleaning machine has the advantages of low labor intensity, automatic cleaning, convenient cleaning, simple operation, time and labor saving and high efficiency.

Description

Sediment sampler is arranged to thermal power plant

Technical Field

The utility model relates to the technical field of thermal power plant slag discharge sampling, in particular to a thermal power plant slag discharge sampler.

Background

Thermal power plant can discharge a large amount of slag charge at the electricity generation in-process, whether these slag charges accord with emission standard and need carry out the sample test, and traditional row's sediment sampler is only a simple fire tongs, and the sample structure is too simple, is difficult to the stable sample quantity, does not take the material subassembly yet, needs operating personnel frequently to make a round trip to rush the ripples at sampling point and test point, and the accuracy is low, intensity of labour is big.

In order to solve this problem, the sampler that has the material subassembly that connects has appeared on the market, just disclose a thermal power plant and arrange sediment sampler like chinese patent CN208043472U, this scheme is through setting up hob and sample bottle on the sampling head, upwards the spiral of slag charge is unscrewed and finally is sent into the sample bottle through the hob and realizes the sample, but the sampling head of this scheme is after taking a sample at every turn, there is the slag charge to remain, before changing the sample position and taking a sample next time, need pull down the hob and carry out artifical clearance to sampling head and hob, the operation is complicated, waste time and energy, inefficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides the slag discharge sampler for the thermal power plant, which has the advantages of high accuracy, low labor intensity, automatic cleaning, convenience in cleaning, simplicity in operation, time and labor conservation and high efficiency.

In order to achieve the above object, the present invention provides a slag discharge sampler for a thermal power plant, comprising:

the telescopic rod comprises an inner rod and an outer rod which is slidably sleeved on the inner rod;

the sampling head is connected to the lower end part of the inner rod;

the sampling head comprises a collecting cylinder, a side plate and a plurality of sampling paddles, wherein the axial lead of the collecting cylinder is parallel to the horizontal plane, the collecting cylinder is a circular cylinder with two open ends, the lower end part of the collecting cylinder is provided with a sampling port, the sampling port extends along the axial direction of the collecting cylinder, the side plate is connected with the two end parts of the collecting cylinder and is used for plugging the opening, the sampling paddles are arranged in the collecting cylinder and comprise a paddle shaft and paddles, the paddle shaft extends along the horizontal direction, the axial lead of the paddle shaft is coincided with the axial lead of the collecting cylinder, the two end parts of the paddle shaft are rotatably connected on the side plate, the paddles are in a flat plate shape, one end part of the paddle width direction is connected on the paddle shaft, the other end part of the paddle width direction extends along the radial direction of the paddle shaft, and the paddles are multiple, the plurality of the paddles are distributed in an annular array along the axial lead of the paddle shaft, the adjacent paddles, the inner wall of the collecting cylinder and a cavity enclosed by the side plates form collecting cabins, and the adjacent collecting cabins are mutually isolated.

Preferably, the end parts of the blades, which are close to the inner wall of the collecting cylinder and the side plates, are connected with scrapers, and the end parts, which are far away from the blades, of the scrapers are attached to the inner wall of the collecting cylinder or the side plates.

Preferably, thermal power plant arranges sediment sampler still including being used for the drive the flexible first drive arrangement of telescopic link with be used for the drive sample oar pivoted second drive arrangement, first drive arrangement drive the telescopic link single flexible distance does collect 0.25-0.5 times of section of thick bamboo internal diameter, the drive of second drive arrangement sample oar single pivoted angle equals the contained angle between two adjacent paddles.

Further preferably, the first driving device comprises a connecting seat, a mounting groove, a screw, a first motor and a transmission assembly, the connecting seat is connected between the lower end part of the inner rod and the sampling head, the mounting groove is arranged on the connecting seat, the screw rod is rotatably arranged in the mounting groove, the rotating axis of the screw rod is parallel to the axis of the collecting cylinder and is positioned right above the axis of the collecting cylinder, the first motor is arranged on the connecting seat, the transmission component comprises a slide block sleeved on the screw rod and in threaded connection with the screw rod, and a traction rod with two end parts respectively hinged at the lower end parts of the slide block and the outer rod, the slide block can be arranged in the mounting groove in a sliding manner along the axial direction of the screw rod, when the screw rod rotates, the telescopic rod can be driven to stretch and retract through the sliding block and the traction rod.

Further preferably, the two groups of transmission assemblies are symmetrically distributed on two sides of the telescopic rod, and two sections of external threads with opposite rotation directions are arranged on the screw rod and are used for matching with the sliding blocks in the two groups of transmission assemblies.

Further preferably, the second driving device comprises a second motor for driving the paddle shaft to rotate, and the second motor is arranged at the end part of the connecting seat far away from the first motor.

Further preferably, a handle convenient to hold is arranged on the outer rod, and the controllers of the first driving device and the second driving device are arranged on the outer rod and close to the handle.

Preferably, the width of the sampling port is less than or equal to the farthest distance between adjacent paddles.

Preferably, sampling holes corresponding to the collecting cabins in a one-to-one mode are formed in the side plates, detachable plugs are arranged in the sampling holes, and the end faces, close to the collecting cabins, of the plugs are flush with the side plates.

Further preferably, a clamping rod is connected to an upper end of the outer rod, and an extending direction of the clamping rod is perpendicular to an axial line of the outer rod and an axial line of the collecting cylinder.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

1. the sampling opening is arranged at the lower end of the collecting cylinder, the rotatable sampling paddle is arranged in the collecting cylinder, a cavity enclosed by adjacent paddles, the inner wall of the collecting cylinder and side plates on the sampling paddle forms a collecting cabin, when the sampler is inserted into a slag pile, slag materials can enter the collecting cabin through the sampling opening, the slag materials can be collected and stored through the rotation of the sampling paddle, the sampling paddle can be collected and stored for many times, and the labor intensity is low.

2. Through making adjacent collection cabin mutual isolation, can avoid the compounding phenomenon, promote the sample accuracy.

3. After the sampling is finished, the slag in the collecting cabin can be conveniently rotated to the sampling port to be discharged through the rotation of the paddle shaft, and automatic cleaning is realized.

4. Even there is the slag charge to remain on the paddle, also can conveniently stretch into the collection under-deck with the brush from the sample connection and clear up, the clearance is convenient, easy operation, efficient.

Drawings

FIG. 1 is a schematic front view, partially in section, of a preferred embodiment of the present invention.

Fig. 2 is an enlarged cross-sectional view in the direction a-a of fig. 1, showing only a portion of the collection cartridge.

Fig. 3 is an enlarged left-hand view of the collection canister of fig. 1.

Fig. 4 is a partially enlarged schematic view at B in fig. 1.

Fig. 5 is a schematic left side view of the clamping bar of fig. 1.

Wherein: 10. a telescopic rod; 11. an inner rod; 12. an outer rod; 121. a handle; 122. a controller; 123. a clamping rod; 20. a sampling head; 21. a collection canister; 211. a sampling port; 22. a side plate; 221. a sampling hole; 222. a plug; 23. a sampling paddle; 231. a paddle shaft; 232. a paddle; 233. a squeegee; 24. a collection chamber; 30. a first driving device; 31. a connecting seat; 32. mounting grooves; 33. a screw; 34. a first motor; 35. a transmission assembly; 351. a slider; 352. a draw bar; 40. a second driving device; 41. a second motor.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the scope of the present invention can be clearly and clearly defined.

The up-down direction described in the present invention refers to the up-down direction in fig. 1, the left-right direction described in the present invention refers to the left-right direction in fig. 1, and the front-back direction described in the present invention refers to the inside-outside direction in fig. 1.

As shown in fig. 1 to 5, the slag discharge sampler for a thermal power plant according to the present invention includes: the sampling device comprises a telescopic rod 10 and a sampling head 20, wherein the telescopic rod 10 comprises an inner rod 11 and an outer rod 12 which is slidably sleeved on the inner rod 11; the sampling head 20 is attached to the lower end of the inner rod 11.

Specifically, the sampling head 20 includes a collecting cylinder 21, a side plate 22, and a sampling paddle 23, wherein the axis of the collecting cylinder 21 is parallel to the horizontal plane and extends in the left-right direction, the collecting cylinder 21 is a circular cylinder with two open ends, the lower end of the collecting cylinder 21 is provided with a sampling port 211, the sampling port 211 extends in the axial direction of the collecting cylinder 21, the side plate 22 is connected to the two end portions of the collecting cylinder 21 for blocking the openings of the two end portions of the collecting cylinder 21, the sampling paddle 23 is rotatably disposed in the collecting cylinder 21, the sampling paddle 23 includes a paddle shaft 231 and a paddle 232, the paddle shaft 231 extends in the horizontal direction, the axis of the paddle shaft 231 coincides with the axis of the collecting cylinder 21, the two end portions of the paddle shaft 231 is rotatably connected to the center of the side plate 22, the paddle 232 is in a flat plate shape, one end portion of the paddle 232 in the width direction is connected to the outer circumferential surface of the paddle shaft 231, the other end portion of the paddle 232 in the width direction extends in the radial direction of the paddle shaft 231, eight paddles 232 are arranged, the eight paddles 232 are distributed along the axial lead of the paddle shaft 231 in an annular array, a cavity enclosed between the adjacent paddles 232 and the inner wall of the collecting cylinder 21 and the side plate 22 forms a collecting chamber 24, and the adjacent collecting chambers 24 are mutually isolated.

The sampling device has the advantages that when the sampler is inserted into a slag pile, slag can enter the collecting cabin through the sampling port, and then can be collected and stored through the rotation of the sampling paddle; because the adjacent collecting cabins are mutually isolated, the material mixing phenomenon can be avoided, and the sampling accuracy is improved; after sampling is finished, the paddle shaft can rotate, so that slag in the collection cabin can be conveniently rotated to a sampling port to be discharged, and automatic cleaning is realized; even there is the slag charge to remain on the paddle, also can conveniently stretch into the collection under-deck with the brush from the sample connection and clear up, the clearance is convenient, easy operation, efficient.

In order to further improve the mutual isolation effect of the adjacent collection chambers 24, in this embodiment, the end of the paddle 232 close to the inner wall of the collection cylinder 21 and the end of the side plate 22 are connected with the scraper 2321, the end of the scraper 2321 far from the paddle 232 is attached to the inner wall of the collection cylinder 21 or the side plate 22, and the scraper 2321 is made of high-temperature-resistant silica gel or rubber material and has certain toughness.

In this embodiment, the sampling port 211 has a width equal to or less than the maximum distance between adjacent paddles 232, which is advantageous in ensuring that at most two adjacent collection chambers 24 are exposed from the sampling port 211 at any one time.

In order to facilitate the insertion of the sampler into the slag pile and the sampling, in this embodiment, the sampler further comprises a first driving device 30 for driving the telescopic rod 10 to extend and retract and a second driving device 40 for driving the sampling paddle 23 to rotate, wherein the distance of a single extension and retraction of the telescopic rod 10 driven by the first driving device 30 is 0.25-0.5 times of the inner diameter of the collecting cylinder 21, and the arrangement is designed to ensure that the amount of slag entering the collecting chamber 24 at a time is within a reasonable range, and the angle of a single rotation of the sampling paddle 23 driven by the second driving device 40 is equal to the included angle between two adjacent paddles 232, so that the arrangement is beneficial in that only one collecting chamber 24 is used for each sampling, and of course, before sampling, one collecting chamber 24 needs to be aligned with the sampling port 211, and is a conventional arrangement.

Specifically, the first driving device 30 includes a connecting seat 31, a mounting groove 32, a screw 33, a first motor 34, and a transmission assembly 35, the connecting seat 31 is connected between the lower end of the inner rod 11 and the sampling head 20, the mounting groove 32 is opened on the connecting seat 31, the screw 33 is rotatably disposed in the mounting groove 32, the rotation axis of the screw 33 is parallel to the axis of the collecting cylinder 21 and is located right above the axis of the collecting cylinder 21, the first motor 34 is disposed on the connecting seat 31 for driving the screw 33 to rotate, the transmission between the first motor 34 and the screw 33 can be realized by the prior art of belt transmission, gear transmission, etc., the transmission assembly 35 includes a slider 351 which is sleeved on the screw 33 and is in threaded connection with the screw 33, and a traction rod 352 whose two ends are respectively hinged on the slider 351 and the lower end of the outer rod 12, the slider 351 can be slidably disposed in the mounting groove 32 along the axial direction of the screw 33, when the screw 33 rotates, the telescopic rod 10 can be driven to stretch and retract through the sliding block 351 and the traction rod 352, in order to facilitate balance, two groups of transmission assemblies 35 are arranged, the two groups of transmission assemblies 35 are symmetrically distributed on the left side and the right side of the telescopic rod 10, and two sections of external threads with opposite rotation directions are arranged on the screw 33 and are used for matching the sliding blocks 351 in the two groups of transmission assemblies 35.

The second driving device 40 includes a second motor 41 for driving the paddle shaft 231 to rotate, the second motor 41 is disposed at an end of the connecting seat 31 far away from the first motor 34, the transmission between the second motor 41 and the paddle shaft 231 can be realized by using the prior art such as belt transmission and gear transmission, and a shield can be disposed outside the transmission member to avoid the influence of slag.

In this embodiment, for the convenience of holding and clamping, the upper end of the outer rod 12 is connected with a clamping rod 123, the clamping rod 123 extends in a direction perpendicular to the axial line of the outer rod 12 and the axial line of the collecting cylinder 21, the outer rod 12 is further provided with a handle 121 for easy holding, and the controller 122 of the first driving device 30 and the second driving device 40 is arranged on the outer rod 12 and close to the handle 121.

When the sampler is used, the clamping rod 123 can be clamped under the armpit, then the sampler is inserted into the slag pile by holding the handle 121, and then the first driving device 30 and the second driving device 40 are controlled by the controller 122 to perform sampling operation, so that the operation is simple, and the labor intensity is low.

In order to facilitate temporary sampling for detection, sampling holes 221 corresponding to the collecting cabins 24 one by one are formed in the side plates 22, detachable plugs 222 are arranged in the sampling holes 221, and the end faces, close to the collecting cabins 24, of the plugs 222 are flush with the side plates 22.

The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the utility model, and not to limit the scope of the utility model, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.

Claims

1. A thermal power plant slag tapping sampler comprising:

the sampling head is connected to the lower end part of the inner rod;

the method is characterized in that:

2. The thermal power plant residual slag sampler according to claim 1, characterized in that: the paddle is close to the collecting cylinder inner wall and the end part of the side plate is connected with a scraper, and the scraper is far away from the end part of the paddle and is attached to the inner wall of the collecting cylinder or the side plate.

3. The thermal power plant residual slag sampler according to claim 1, characterized in that: thermal power plant arranges sediment sampler still including being used for the drive the flexible first drive arrangement of telescopic link with be used for the drive sample oar pivoted second drive arrangement, first drive arrangement drive the flexible distance of telescopic link single does 0.25-0.5 times of collecting vessel internal diameter, the drive of second drive arrangement sample oar single pivoted angle equals the contained angle between two adjacent paddles.

4. The thermal power plant residual slag sampler according to claim 3, characterized in that: the first driving device comprises a connecting seat, a mounting groove, a screw rod, a first motor and a transmission component, the connecting seat is connected between the lower end part of the inner rod and the sampling head, the mounting groove is arranged on the connecting seat, the screw rod is rotatably arranged in the mounting groove, the rotating axis of the screw rod is parallel to the axis of the collecting cylinder and is positioned right above the axis of the collecting cylinder, the first motor is arranged on the connecting seat, the transmission component comprises a slide block sleeved on the screw rod and in threaded connection with the screw rod, and a traction rod with two end parts respectively hinged at the lower end parts of the slide block and the outer rod, the slide block can be arranged in the mounting groove in a sliding manner along the axial direction of the screw rod, when the screw rod rotates, the telescopic rod can be driven to stretch and retract through the sliding block and the traction rod.

5. The thermal power plant residual slag sampler according to claim 4, characterized in that: the two groups of transmission assemblies are symmetrically distributed on two sides of the telescopic rod, and two sections of external threads with opposite rotation directions are arranged on the screw rod and are used for matching with the sliding blocks in the two groups of transmission assemblies.

6. The thermal power plant residual slag sampler according to claim 4, characterized in that: the second driving device comprises a second motor for driving the paddle shaft to rotate, and the second motor is arranged at the end part of the connecting seat far away from the first motor.

7. The thermal power plant residual slag sampler according to claim 3, characterized in that: the outer rod is provided with a handle convenient to hold, and the first driving device and the controller of the second driving device are arranged on the outer rod and close to the handle.

8. The thermal power plant residual slag sampler according to claim 1, characterized in that: the width of the sampling opening is smaller than or equal to the farthest distance between the adjacent paddles.

9. The thermal power plant residual slag sampler according to claim 1, characterized in that: the side plate is provided with sampling holes in one-to-one correspondence with the collecting cabins, detachable plugs are arranged in the sampling holes, and the end faces, close to the collecting cabins, of the plugs are flush with the side plate.

10. The thermal power plant residual slag sampler according to any one of claims 1 to 9, characterized in that: the upper end of the outer rod is connected with a clamping rod, and the extending direction of the clamping rod is perpendicular to the axial lead of the outer rod and the axial lead of the collecting cylinder.