CN216271452U

CN216271452U - Device for preventing blockage of guide wheel and chain in scraper slag remover

Info

Publication number: CN216271452U
Application number: CN202121182540.8U
Authority: CN
Inventors: 杨鑫; 张松; 邹胜龙; 肖泽; 杨政; 马琨
Original assignee: Guizhou Huadian Tongzi Power Generation Co Ltd
Current assignee: Guizhou Huadian Tongzi Power Generation Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2022-04-12
Anticipated expiration: 2031-05-31

Abstract

The utility model discloses an inner guide wheel and chain jamming device of a scraper-proof slag remover, which comprises a device main body, wherein the device main body comprises an inner guide wheel part and a chain part; the protection component is connected with the device main body and comprises a protection housing and a connecting component; and the monitoring assembly comprises a sensing component and a control component, and is arranged on the inner side of the device main body. The utility model has the beneficial effects that: according to the utility model, the protective cover is designed on the inner guide wheel in the device main body, the whole inner guide wheel and the chain parts nearby the inner guide wheel are sealed, the inner guide wheel, the front chain part and the rear chain part are protected, gaps are reserved for the chain to run, and large slag cannot directly contact with the inner guide wheel. Meanwhile, a rotation sensor is arranged at the outer shell of the inner guide wheel to monitor the rotation condition of the inner guide wheel, and an operator can be reminded when the inner guide wheel is buried in the grey water and has a fault.

Description

Device for preventing blockage of guide wheel and chain in scraper slag remover

Technical Field

The utility model relates to the field of slag conveyors, in particular to a device for preventing guide wheels and chains in a scraper slag conveyor from being jammed.

Background

The scraper slag conveyor is mainly used for separating solid matters which accord with a certain granularity from a mixture of liquid and solid, and is slag removing equipment widely applied at present in a coal-fired power plant. The inner guide wheel device is an important part of the scraper slag conveyor and is used for limiting the horizontal displacement of the chain along the cross section of the slag conveyor and preventing the chain from deviating. Because the inner guide wheel is immersed in the lime water for a long time to work and is easy to be stuck by coke, the emergency repair is caused, even the unit is not stopped, and the reliable operation of the slag conveyor is directly influenced by the normal operation.

However, the following problems are found in the actual operation of the dragger: 1. the bearing is damaged or the guide wheel is stuck, so that a worker cannot know the phenomenon and can only find the phenomenon in the routing inspection process, and the fault possibly occurs for a long time, so that the chain and the scraper are seriously abraded, and the operation of equipment is directly influenced; 2. once a fault occurs, the inner guide wheel can be replaced and maintained only by stopping the machine immediately and discharging water in the shell of the slag conveyor, so that the workload is large and the efficiency is low; 3. the inner guide wheel is positioned at the position of the horizontal section close to the climbing section, a large amount of ash slag exists in the working environment at ordinary times, and once coke is broken down, the ash slag can bury the inner guide wheel to cause coke jamming between the inner guide wheel and the chain.

SUMMERY OF THE UTILITY MODEL

This section is for the purpose of summarizing some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the abstract of the specification and the title of the application to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplifications or omissions are not intended to limit the scope of the utility model.

The present invention has been made in view of the above and/or other problems with existing dragveyer systems.

Therefore, one of the objects of the present invention is to provide a device for preventing the jamming of guide wheels and chains in a scraper slag remover, which can monitor the fault of the inner guide wheel of the slag remover in real time and can protect the ash slag.

In order to solve the technical problems, the utility model provides the following technical scheme: the device comprises a device main body, wherein the device main body comprises an inner guide wheel part and a chain part, and the inner guide wheel part is arranged at the upper part of the chain part; the protection component is connected with the device main body and comprises a protection cover shell and a connecting component; and the monitoring assembly comprises a sensing component and a control component, and is arranged on the inner side of the device main body.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the inner guide wheel component comprises a casing, a mounting flange, a guide wheel shaft, a wheel body and a connecting rod.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the inner side end of the protective cover casing is matched with the guide wheel shaft, a connecting part is arranged on the other side close to the slag conveyor main body, the connecting part is fixedly connected with the protective cover casing and the slag conveyor main body, and the connecting part comprises a bolt hole arranged on the protective cover casing.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the protection housing is cylindrical, square holes are formed in two sides of the protection housing, and the chain part passes through the square holes.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: and a round hole is formed in the lower side of the protective housing.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the connecting rod runs through the casing and extends to the casing outside, the fixed metal lug that is provided with in tip of connecting rod.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: and a rotating induction component is fixedly arranged on one side of the shell.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the sensing component comprises a metal bump and a rotation sensor, and the rotation sensor is matched with the metal bump.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the control part comprises a distribution box, a controller and an audible and visual alarm, the distribution box is fixedly arranged on one side of the casing, the controller is arranged in the distribution box, and the audible and visual alarm is arranged on the upper surface of the controller.

As a preferred scheme of the device for preventing the guide wheel and the chain in the scraper slag remover from being jammed, the device comprises: the controller is respectively and electrically connected with the audible and visual alarm and the rotation sensor.

The utility model has the beneficial effects that: according to the utility model, the protective cover is designed on the inner guide wheel in the device main body, the whole inner guide wheel and the chain parts nearby the inner guide wheel are sealed, the inner guide wheel, the front chain part and the rear chain part are protected, gaps are reserved for the chain to run, and large slag cannot directly contact with the inner guide wheel. Meanwhile, a rotation sensor is arranged at the outer shell of the inner guide wheel to monitor the rotation condition of the inner guide wheel, and an operator can be reminded when the inner guide wheel is buried in the grey water and has a fault.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:

fig. 1 is a schematic overall structure diagram of three embodiments provided by the device for preventing the guide wheel and the chain from being jammed in the scraper slag remover.

Fig. 2 is a schematic partial top view of the inner guide wheel of the three embodiments of the device for preventing the scraping plate slag remover from being jammed in the inner guide wheel and the chain.

Fig. 3 is a partial schematic view of the inner guide wheel and the chain jamming device provided by three embodiments of the anti-scraping plate slag remover.

Fig. 4 is a schematic view of the protective housing according to three embodiments of the device for preventing the guide wheel and the chain from being jammed in the slag extractor of the scraping plate of the utility model.

Fig. 5 is a schematic view of the monitoring assembly provided by the device for preventing the guide wheel and the chain from being jammed in the scraper slag remover according to three embodiments of the present invention.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1, which is a schematic diagram of an overall structure of an inner guide pulley and a chain jamming device of a scraper slag remover according to a first embodiment of the present invention, referring to fig. 1, the overall structure of the present invention includes a device body 100, the device body 100 includes an inner guide pulley part 101 and a chain part 102, the inner guide pulley part 101 is disposed on an upper portion of the chain part 102; a protective assembly 200, wherein the protective assembly 200 is connected with the device main body 100 and comprises a protective cover 201 and a connecting part 202; and a monitoring assembly 300 including a sensing part 301 and a control part 302, both disposed inside the device body 100.

Specifically, the main structure of the present invention includes a device body 100, a shield assembly 200, and a monitoring assembly 300. The device main body 100 comprises an inner guide wheel component 101 and a chain component 102, wherein the inner guide wheel component 101 is arranged at the upper part of the chain component 102; the scraper slag conveyor is slag removing equipment widely applied in coal-fired power plants at present. The inner guide wheel device is an important part of the scraper slag conveyor and is used for limiting the horizontal displacement of the chain part 102 along the cross section of the slag conveyor and preventing the chain part 101 from deviating. When the boiler collapses to large coke or the amount of slag is large, the inner guide wheel 101 can be immersed in the lime water for a long time to work. The shield assembly 200, which is connected to the apparatus body 100, includes a protective cover 201 and a connection member 202. The inner guide wheel 101 and the chain part 102 nearby the inner guide wheel are often stuck by slag, in order to prevent the inner guide wheel 101 and the chain part 102 nearby the inner guide wheel from being stuck by slag, a protective cover 201 is designed for the inner guide wheel 102, the whole inner guide wheel 101 and the chain part 102 nearby the inner guide wheel are sealed, the inner guide wheel 101, the front chain part and the rear chain part 102 are protected, a gap is reserved for the chain part 102 to run, large slag cannot directly contact with the inner guide wheel 101, and the connecting part 202 is connected with the protective cover 201 and a slag conveyor main body. And a monitoring assembly 300 including a sensing part 301 and a control part 302, both disposed inside the device body 100. By arranging the sensing component 301 on the inner guide wheel 101, whether the inner guide wheel 101 normally operates can be monitored for the working environment where the inner guide wheel 101 is invisible, and the control component 302 gives an alarm for the fault condition of the inner guide wheel 101 to remind an operator.

Example 2

A second embodiment of the present invention is illustrated in fig. 1 to 4, which is different from the first embodiment in that: this embodiment mainly solves the problem of the slag conveyor with a protective housing 201 for the discharge of the blocked slag. The main structure of the present invention includes a device body 100, a shield assembly 200, and a monitoring assembly 300. Inner idler member 101 includes a housing 103, a mounting flange 104, an idler shaft 105, a wheel body 106, and a connecting rod 107. One end of the inner side of the protective cover 201 is matched with the guide wheel shaft 105, a connecting part 202 is arranged close to the other side of the main body of the slag conveyor, the connecting part 202 is fixedly connected with the protective cover 201 and the main body of the slag conveyor, and the connecting part 202 comprises a bolt hole 203 arranged on the protective cover 201. The protective cover 201 is cylindrical, square holes 204 are formed in two sides of the protective cover 201, and the chain member 102 passes through the square holes 204. The underside of the protective housing 201 is provided with a circular aperture 205.

In this embodiment, the inner guide pulley device is an important component of the scraper slag conveyor, and is used for limiting the horizontal displacement of the chain component 102 along the cross section of the slag conveyor, so as to prevent the chain component 102 from deviating. When the boiler collapses to produce large coke or the slag amount is large, the inner guide wheel 101 is immersed in the lime water for a long time to work and is easy to be stuck by the coke, so that the emergency repair is caused, and even the unit is not stopped. Whether the inner guide wheel 101 can normally operate or not directly influences the reliable operation of the slag conveyor.

Specifically, inner idler member 101 includes a housing 103, a mounting flange 104, an idler shaft 105, a wheel body 106, and a connecting rod 107. According to the practical situation of the dragveyer of the power plant, the inner guide wheel 101 is positioned at the position close to the climbing section of the horizontal section, a large amount of ash exists in the working environment at ordinary times, once the ash collapses, the ash can bury the inner guide wheel 101, and the coke is clamped between the inner guide wheel 101 and the chain part 102. The inner guide wheel 101 and the chain part 102 nearby the inner guide wheel are often stuck by slag, in order to prevent the inner guide wheel 101 and the chain part 102 nearby the inner guide wheel from being stuck by slag, a protective cover 201 is designed for the inner guide wheel 101, the whole inner guide wheel 101 and the chain part 102 nearby the inner guide wheel are sealed, the inner guide wheel 101 and the front and rear chain parts 102 are protected, a gap is reserved for the chain part 102 to run, and large slag cannot directly contact with the inner guide wheel 101. One end of the inner side of the protective cover 201 is matched with the guide wheel shaft 105, a connecting part 202 is arranged close to the other side of the main body of the slag conveyor, the connecting part 202 is fixedly connected with the protective cover 201 and the main body of the slag conveyor, and the connecting part 202 comprises a bolt hole 203 arranged on the protective cover 201. The protective cover 201 is cylindrical, square holes 204 are formed in two sides of the protective cover 201, and the chain member 102 passes through the square holes 204. The underside of the protective housing 201 is provided with a circular aperture 205. When the design is carried out, even if the amount of slag is large, the slag which can enter the protective cover shell 201 through the gap is at most relatively fine slag, and the accumulated slag can be timely discharged through the round hole 205 arranged at the bottom of the protective cover shell 201.

The rest of the structure is the same as in example 1.

Example 3

Referring to fig. 2 to 5, this embodiment is different from the first embodiment in that: the connecting rod 107 penetrates through the housing 103 and extends to the outside of the housing 103, and a metal bump 303 is fixedly arranged at the end of the connecting rod 107. A rotating sensing part 301 is fixedly arranged at one side of the housing 103. The sensing part 301 includes a metal bump 303 and a rotation sensor 304, and the rotation sensor 304 is engaged with the metal bump 303. The control component 302 comprises a distribution box 305, a controller 306 and an audible and visual alarm 307, wherein the distribution box 305 is fixedly arranged on one side of the machine shell 103, the controller 306 is arranged in the distribution box 305, and the audible and visual alarm 307 is arranged on the upper surface of the controller 306. The controller 306 is electrically connected to the audible and visual alarm 307 and the rotation sensor 304, respectively.

Specifically, the main structure of the present invention includes a device body 100, a shield assembly 200, and a monitoring assembly 300. The connecting rod 107 penetrates through the housing 103 and extends to the outside of the housing 103, and a metal bump 303 is fixedly arranged at an end of the connecting rod 107. A rotating sensing part 301 is fixedly arranged at one side of the housing 103. The sensing part 301 includes a metal bump 303 and a rotation sensor 304, and the rotation sensor 304 is engaged with the metal bump 303. When the inner guide wheel 101 normally operates, the connecting rod 107 is driven to rotate, and the metal bump 303 on the upper portion of the connecting rod 107 also rotates. The rotation sensor 304 arranged on the lower side of the metal bump 303 can sense the rotation of the metal bump 303, and when the slag conveyor normally operates and the metal bump 303 stops rotating, the fault of the task inner guide wheel 101 can be generated. The control component 302 comprises a distribution box 305, a controller 306 and an audible and visual alarm 307, wherein the distribution box 305 is fixedly arranged on one side of the machine shell 103, the controller 306 is arranged in the distribution box 305, and the audible and visual alarm 307 is arranged on the upper surface of the controller 306. The controller 306 is electrically connected to the audible and visual alarm 307 and the rotation sensor 304, respectively. Because the controller 306 electrically connects the rotation sensor 304 and the audible and visual alarm 307, when the rotation sensor 304 senses a device failure and transmits a signal to the controller 306, the controller 306 controls the audible and visual alarm 307 to alarm. And reminding an operator that the inner guide wheel 101 is abnormally operated. The distribution box 305 provides power support for the controller 306, and fixed support arms are arranged on two sides of the distribution box 305, bolt holes are formed in the support arms, and the support arms are fixed to the machine shell 103 through bolts.

The rest of the structure is the same as in example 1.

It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.

Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the utility model, or those unrelated to enabling the utility model).

It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.

It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.

Claims

1. The utility model provides a prevent that scraper drags for sediment built-in guide pulley and chain jamming device which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,

a device main body (100) including an inner guide wheel member (101) and a chain member (102), the inner guide wheel member (101) being provided on an upper portion of the chain member (102);

a protective assembly (200) connected to the device body (100) and including a protective cover (201) and a connection member (202); and the number of the first and second groups,

a monitoring assembly (300) comprising a sensing part (301) and a control part (302), both disposed inside the device body (100).

2. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 1, wherein: the inner guide wheel component (101) comprises a machine shell (103), a mounting flange (104), a guide wheel shaft (105), a wheel body (106) and a connecting rod (107).

3. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 2, wherein: one end of the inner side of the protective cover shell (201) is matched with the guide wheel shaft (105), a connecting part (202) is arranged close to the other side of the dragveyer main body, the connecting part (202) is fixedly connected with the protective cover shell (201) and the dragveyer main body, and the connecting part (202) comprises a bolt hole (203) formed in the protective cover shell (201).

4. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 3, wherein: the protective cover shell (201) is cylindrical, square holes (204) are formed in two sides of the protective cover shell (201), and the chain component (102) passes through the square holes (204).

5. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 4, wherein: a round hole (205) is formed in the lower side of the protective housing (201).

6. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 2 or 5, wherein: the connecting rod (107) penetrates through the machine shell (103) and extends to the outside of the machine shell (103), and a metal lug (303) is fixedly arranged at the end part of the connecting rod (107).

7. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 6, wherein: one side of the shell (103) is fixedly provided with a rotating induction component (301).

8. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 7, wherein: the sensing component (301) comprises a metal bump (303) and a rotation sensor (304), wherein the rotation sensor (304) is matched with the metal bump (303).

9. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 8, wherein: control unit (302) are including block terminal (305), controller (306) and audible-visual annunciator (307), one side of casing (103) is fixed and is provided with block terminal (305), be provided with controller (306) in block terminal (305), the upper surface of controller (306) is provided with audible-visual annunciator (307).

10. The device for preventing the guide wheel and the chain of the scraper slag extractor from being jammed according to claim 9, wherein: the controller (306) is electrically connected with the audible and visual alarm (307) and the rotation sensor (304) respectively.