CN217996024U - Auxiliary anti-blocking device for ash bucket material level of coal-fired power plant - Google Patents
Auxiliary anti-blocking device for ash bucket material level of coal-fired power plant Download PDFInfo
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- CN217996024U CN217996024U CN202221508102.0U CN202221508102U CN217996024U CN 217996024 U CN217996024 U CN 217996024U CN 202221508102 U CN202221508102 U CN 202221508102U CN 217996024 U CN217996024 U CN 217996024U
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Abstract
The utility model discloses a supplementary anti-clogging device of coal fired power plant ash bucket material level, including dust removal module, and negative pressure mechanism, including setting up the negative pressure sampling tube at the ash bucket lateral wall, the first valve of ash bucket one end is kept away from to the setting at the negative pressure sampling tube, the negative pressure pipe of setting at first valve right side wall, the second valve and the negative pressure instrument of setting at the second valve upper surface of keeping away from first valve upper end at the negative pressure pipe set up, in the course of operation of draught fan, make the inside of ash bucket be in the state of negative pressure, show the inside negative pressure of ash bucket through negative pressure instrument cooperation negative pressure pipe and negative pressure pipe, store up the inside back that gets into the negative pressure sampling tube when the inside dust of ash bucket, make the negative pressure sampling tube take place to block up and lead to the inside negative pressure value of pipeline and the numerical value of negative pressure instrument to change, the staff can in time learn the inside deposition condition of ash bucket, the staff of being convenient for in time make the adjustment.
Description
Technical Field
The utility model belongs to the technical field of coal fired power plant technique and specifically relates to a supplementary anti-clogging device of coal fired power plant ash bucket material level.
Background
The coal-fired power plant is a factory for producing electric energy by using coal as a fuel, and the basic production process is as follows: the fuel heats water to generate steam when burning, the chemical energy of the fuel is converted into heat energy, the steam pressure pushes a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, a prime motor is usually a steam engine or a gas turbine, in some smaller power stations, an internal combustion engine is also possible to be used, the internal combustion engine generates electricity by utilizing the pressure drop in the process that high-temperature and high-pressure steam or gas is converted into low-pressure air or condensed water through the turbine, and dust is removed in a coal-fired power plant in an electric dust removal mode.
The coal-fired power plant ash bucket material level auxiliary anti-blocking device has the advantages that ash particles in flue gas generated after combustion of a boiler are removed, the ash particles collected by electric dust removal are collected in an ash bucket at the lower part of the ash bucket, ash is conveyed out through an ash conveying pipeline, the material level in the ash bucket needs to be monitored in real time for ensuring the normal operation of the electric dust removal, if the material level is monitored inaccurately, a large number of ash particles are accumulated in the ash bucket, the electric dust removal short-circuit tripping operation is caused to affect the dust removal efficiency, and the unsafe event that the electric dust removal collapses due to the fact that the electric dust removal exceeds a bearing limit occurs is serious, so that the coal-fired power plant ash bucket material level auxiliary anti-blocking device is provided.
SUMMERY OF THE UTILITY MODEL
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments, and in this section as well as in the abstract of the specification and the title of the application may be somewhat simplified or omitted to avoid obscuring the purpose of this section, the abstract of the specification and the title of the application, and such simplification or omission may not be used to limit the scope of the invention.
The present invention has been made in view of the above and/or other problems occurring in the prior art.
Therefore, the utility model aims to solve the technical problem that traditional charge level indicator is in the use, and the inside dust of ash bucket easily leads to the charge level indicator to take place the short circuit or damage, leads to the charge level indicator to be difficult to normal use, needs the staff regularly to overhaul the charge level indicator, leads to staff's working strength to increase, and dust removal module's work efficiency descends.
In order to solve the technical problem, the utility model provides a following technical scheme: an auxiliary anti-blocking device for the material level of an ash bucket of a coal-fired power plant comprises a dust removal module, a dust removal module and a blocking module, wherein the dust removal module comprises the ash bucket, a material level indicator arranged on the inner surface of the ash bucket, an induced draft fan arranged at the bottom of the ash bucket and an ash conveying pipe arranged at the bottom of the induced draft fan; the induced draft fan is communicated with the ash bucket and the ash conveying pipe; the negative pressure mechanism comprises a negative pressure sampling tube arranged on the outer side wall of the ash bucket, a first valve arranged at one end of the negative pressure sampling tube, which is far away from the ash bucket, a negative pressure tube arranged on the right side wall of the first valve, a second valve arranged at the negative pressure tube, which is far away from the upper end of the first valve, and a negative pressure instrument arranged on the upper surface of the second valve; the negative pressure sampling tube is communicated with the ash bucket, a dust collecting mechanism is arranged inside the negative pressure sampling tube, and a filtering mechanism is arranged inside the dust collecting mechanism.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the left end of the negative pressure pipe far away from the first valve is provided with a fourth valve, the left side wall of the fourth valve is provided with an air compression pipe, and one end of the air compression pipe far away from the fourth valve is provided with an air compressor.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the lower end of the negative pressure pipe far away from the first valve is provided with a third valve, and the lower surface of the third valve is provided with a communicating pipe.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the dust collection mechanism comprises a dust collection box, the dust collection box is arranged inside the negative pressure sampling tube, a sealing baffle is movably connected inside the dust collection box, the lower end of the sealing baffle penetrates through the bottom of the dust collection box and extends to the outer side of the dust collection box, and the bottom of the dust collection box is arc-shaped.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the middle part of dust collection box lower surface is provided with the installation shell, and sealing baffle's bottom is located the inside of installation shell, the middle part of installation shell lower surface is provided with servo motor through quick-witted case, servo motor's output shaft is connected with the threaded rod through the shaft coupling transmission, and the upper end of threaded rod runs through the bottom of installation shell and extends to the inside of installation shell, sealing baffle threaded connection is at the surface of threaded rod.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the bottom of sealed baffle left side wall and right side wall all is provided with the slider, the inside left side wall of installation shell and right side wall have all seted up the spout, and two sliders are sliding connection respectively in the inside of two spouts.
As a coal fired power plant ash bucket material level assists anti-clogging device's an optimal selection scheme, wherein: the filter mechanism comprises an installation box, the installation box is arranged on the dust collection box, installation blocks are arranged at four corners of the middle portion in the installation box, four reset springs are arranged on the left side wall of each installation block, a filter screen is arranged at the left end of each reset spring, a seal ring is arranged on the outer surface of each filter screen, and the outer surface of each seal ring is in close contact with the inner surface of the installation box.
As a coal fired power plant ash bucket material level assists anti-clogging device's an preferred scheme, wherein: the position that the installation box is inside to be close to the right side rotates and is connected with the dwang, the dwang surface all is provided with oval piece, two near the position of upper end and lower extreme the surface of oval piece all is provided with the blotter.
As a coal fired power plant ash bucket material level assists anti-clogging device's an optimal selection scheme, wherein: the upper end of the rotating rod penetrates through the top of the dust collection box and extends to the outer side of the dust collection box, a driving motor is arranged on the upper surface of the dust collection box through the case, and an output shaft of the driving motor is in transmission connection with the upper end of the rotating rod through a coupler.
As a coal fired power plant ash bucket material level assists anti-clogging device's an optimal selection scheme, wherein: the middle part of install bin lower surface is provided with sealed piece, sealed baffle's top is provided with sealed the pad, and sealed pad and sealed baffle's top is located the inside of sealed piece.
The utility model has the advantages that: install the lateral wall at the ash bucket with negative pressure mechanism, be linked together negative pressure mechanism and ash bucket through the negative pressure sampling tube, in the course of the work of draught fan, make the inside of ash bucket be in the state of negative pressure, show the inside negative pressure of ash bucket through negative pressure instrument cooperation negative pressure pipe and negative pressure pipe, store up more inside back that gets into the negative pressure sampling tube when the inside dust of ash bucket, make the negative pressure sampling tube take place to block up and lead to the inside negative pressure value of pipeline and the numerical value of negative pressure instrument to change, the staff can in time learn the inside deposition condition of ash bucket, the staff of being convenient for in time makes the adjustment.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive labor. Wherein:
FIG. 1 is a schematic view of a three-dimensional mechanism of a dust collecting mechanism of the present invention;
FIG. 2 is a schematic view of a three-dimensional mechanism of the filtering mechanism of the present invention;
fig. 3 is a front sectional view of the present invention;
fig. 4 is an enlarged view of a structure in fig. 3 according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying the present invention are described in detail below with reference to the accompanying drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, other ways of implementing the invention may be devised different from those described herein, and it will be apparent to those skilled in the art that the invention can be practiced without departing from the spirit and scope of the invention.
Next, the present invention will be described in detail with reference to the schematic drawings, and in the detailed description of the embodiments of the present invention, for convenience of illustration, the sectional view showing the device structure will not be enlarged partially according to the general scale, and the schematic drawings are only examples, and should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Furthermore, the appearances of the phrase "one embodiment" or "an embodiment" in this specification are not necessarily referring to the same embodiment, but may also be referring to other embodiments. 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. 3, the embodiment provides an auxiliary anti-clogging device for ash bucket material level of a coal-fired power plant, which includes a dust removal module 100, including an ash bucket 101, a material level meter 102 arranged on the inner surface of the ash bucket 101, an induced draft fan 103 arranged at the bottom of the ash bucket 101, and an ash conveying pipe 104 arranged at the bottom of the induced draft fan 103; the induced draft fan 103 is communicated with the ash bucket 101 and the ash conveying pipe 104, the induced draft fan 103 is electrically connected with an external power supply, the induced draft fan 103 works, dust in the ash bucket 101 and the material level indicator 102 is sucked into the ash conveying pipe 104 for conveying, and the material level indicator 102 works to detect the height of the dust stored in the ash bucket 101; the negative pressure mechanism 200 comprises a negative pressure sampling tube 201 arranged on the outer side wall of the ash bucket 101, a first valve 202 arranged at one end of the negative pressure sampling tube 201 far away from the ash bucket 101, a negative pressure tube 203 arranged on the right side wall of the first valve 202, a second valve 204 arranged on the negative pressure tube 203 far away from the upper end of the first valve 202, and a negative pressure instrument 205 arranged on the upper surface of the second valve 204; the negative pressure sampling tube 201 is communicated with the ash bucket 101, the dust collecting mechanism 300 is arranged inside the negative pressure sampling tube 201, the filtering mechanism 400 is arranged inside the dust collecting mechanism 300, the fourth valve 207 is arranged at the left end, away from the first valve 202, of the negative pressure tube 203, the air shrinkage tube is arranged on the left side wall of the fourth valve 207, the air compressor 208 is arranged at one end, away from the fourth valve 207, of the air shrinkage tube, the third valve 206 is arranged at the lower end, away from the first valve 202, of the negative pressure tube 203, the communicating tube is arranged on the lower surface of the third valve 206, in the negative pressure monitoring process, the first valve 202, the second valve 204 and the third valve 206 are opened, the fourth valve 207 is closed, the negative pressure instrument 205 is electrically connected with an external power supply, the negative pressure instrument 205 works to monitor the negative pressure value inside the ash bucket 101, when the negative pressure value is abnormal, the negative pressure sampling tube 201 is blocked, the negative pressure instrument can adopt an YDSX-PN3094-SDZT model, the second valve 204 and the third valve 206 are closed at the moment, the first valve 202 and the fourth valve 207 are opened, the air valve 208 is electrically connected with the air supply, the air is blown out to the air compressor 208, and the negative pressure sampling tube 201 can be blown into the external air compressor, so that the negative pressure sampling tube 201 can be normally used, and the negative pressure sampling tube 201 can be prevented from being blocked.
Example 2
Referring to fig. 1, 3 and 4, the present embodiment provides a coal-fired power plant ash hopper material level auxiliary anti-clogging device, which comprises a dust collecting mechanism 300, including a dust collecting box 301, wherein the dust collecting box 301 is disposed inside a negative pressure sampling tube 201, a sealing baffle 302 is movably connected inside the dust collecting box 301, the dust is blocked and collected by the sealing baffle 302 being disposed to cooperate with the dust collecting box 301, so as to prevent the dust from entering the negative pressure tube 203, the lower end of the sealing baffle 302 penetrates through the bottom of the dust collecting box 301 and extends to the outside of the dust collecting box 301, the bottom of the dust collecting box 301 is disposed in an arc shape, a mounting shell 303 is disposed in the middle of the lower surface of the dust collecting box 301, the bottom of the sealing baffle 302 is located inside the mounting shell 303, a servo motor 304 is disposed in the middle of the lower surface of the mounting shell 303 through a chassis, an output shaft of the servo motor 304 is connected with a threaded rod through a coupling in a transmission manner, and the upper end 305 of the threaded rod 305 penetrates through the bottom of the mounting shell 303 and extends to the inside of the mounting shell 303, the sealing baffle 302 is in threaded connection with the outer surface of the threaded rod 305, the servo motor 304 is electrically connected with an external power supply, the servo motor 304 can be driven to work and can drive the threaded rod 305 to rotate, the sealing baffle 302 can be driven to lift through threads, the bottoms of the left side wall and the right side wall of the sealing baffle 302 are respectively provided with a sliding groove 307, the left side wall and the right side wall in the installation shell 303 are respectively provided with a sliding groove 307, the two sliding blocks 306 are respectively in sliding connection with the insides of the two sliding grooves 307, the position of the sealing baffle 302 can be limited through the matching of the arranged sliding blocks 306 and the sliding grooves 307, the stability of the sealing baffle 302 is improved, the sealing baffle 302 is convenient to lift, a sealing block 309 is arranged in the middle of the lower surface of the installation box 401, a sealing gasket 308 is arranged at the top of the sealing baffle 302, and the tops of the sealing gasket 308 and the sealing baffle 302 are positioned in the sealing block 309, the sealing effect between the sealing baffle 302 and the installation box 401 can be improved by arranging the sealing gasket 308 and matching the sealing block 309.
Example 3
Referring to fig. 2, fig. 3 and fig. 4, this embodiment provides a coal-fired power plant ash bucket material level auxiliary anti-clogging device, including filter mechanism 400, including installation box 401, and installation box 401 sets up at dust collection box 301, the four corners department in middle part all is provided with installation piece 402 in installation box 401, the left side wall of four installation pieces 402 all is provided with reset spring 403, the left end of four reset spring 403 is provided with filter screen 404, cooperate installation piece 402 and reset spring 403 through installation box 401 to install filter screen 404, can filter the dust that gets into the inside air of negative pressure sampling pipe 201 through filter screen 404, the surface of filter screen 404 is provided with sealing washer 405, and the surface of sealing washer 405 and the internal surface of installation box 401 in close contact, can seal the gap between filter screen 404 and installation box 401 through the sealing washer 405 that sets up, improve the filter effect of filter screen 404 to the dust, the position that the installation box 401 is inside near the right side is rotated and is connected with dwang 406, the surface of 406 outer surface of 406 is provided with oval piece 407 near upper end and lower extreme, the surface of the drive motor drive that the filter screen 409 drives the dust collection box 301 to pass through the reciprocating drive motor 409 and the reciprocating drive motor 409 drive the dust collection box, and the power supply shaft 409 that the filter screen 409 drives the dust collection box 301 passes through the reciprocating drive, the reciprocating motor 409 and drive the reciprocating drive motor 409 and pass through the reciprocating drive motor 409 drive the outer surface of the filter screen 409 and drive motor.
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 have been described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
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 embodiments are only used 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, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. The utility model provides a supplementary anti-clogging device of coal fired power plant ash bucket material level which characterized in that: comprises the steps of (a) preparing a substrate,
the dust removal module (100) comprises an ash bucket (101), a level indicator (102) arranged on the inner surface of the ash bucket (101), an induced draft fan (103) arranged at the bottom of the ash bucket (101) and an ash conveying pipe (104) arranged at the bottom of the induced draft fan (103); the induced draft fan (103) is communicated with the ash bucket (101) and the ash conveying pipe (104); and (c) a second step of,
the negative pressure mechanism (200) comprises a negative pressure sampling tube (201) arranged on the outer side wall of the ash bucket (101), a first valve (202) arranged at one end, far away from the ash bucket (101), of the negative pressure sampling tube (201), a negative pressure tube (203) arranged on the right side wall of the first valve (202), a second valve (204) arranged at the upper end, far away from the first valve (202), of the negative pressure tube (203), and a negative pressure instrument (205) arranged on the upper surface of the second valve (204); the negative pressure sampling tube (201) is communicated with the ash bucket (101), a dust collecting mechanism (300) is arranged inside the negative pressure sampling tube (201), and a filtering mechanism (400) is arranged inside the dust collecting mechanism (300).
2. The coal-fired power plant ash bucket material level auxiliary anti-clogging device of claim 1, which is characterized in that: the left end of the negative pressure pipe (203) far away from the first valve (202) is provided with a fourth valve (207), the left side wall of the fourth valve (207) is provided with an air compression pipe, and one end of the air compression pipe far away from the fourth valve (207) is provided with an air compressor (208).
3. The coal-fired power plant ash bucket material level auxiliary anti-blocking device as defined in claim 1 or 2, characterized in that: the lower end of the negative pressure pipe (203), which is far away from the first valve (202), is provided with a third valve (206), and the lower surface of the third valve (206) is provided with a communicating pipe.
4. The auxiliary anti-blocking device for ash bucket material level of coal-fired power plant according to claim 1, characterized in that: the dust collection mechanism (300) comprises a dust collection box (301), the dust collection box (301) is arranged inside the negative pressure sampling tube (201), a sealing baffle (302) is movably connected inside the dust collection box (301), the lower end of the sealing baffle (302) penetrates through the bottom of the dust collection box (301) and extends to the outer side of the dust collection box (301), and the bottom of the dust collection box (301) is arranged in an arc shape.
5. The auxiliary anti-blocking device for ash bucket material level of coal-fired power plant according to claim 4, characterized in that: the middle part of dust collection box (301) lower surface is provided with installation shell (303), and the bottom of seal baffle (302) is located the inside of installation shell (303), the middle part of installation shell (303) lower surface is provided with servo motor (304) through the quick-witted case, the output shaft of servo motor (304) is connected with threaded rod (305) through the shaft coupling transmission, and the upper end of threaded rod (305) runs through the bottom of installation shell (303) and extends to the inside of installation shell (303), seal baffle (302) threaded connection is at the surface of threaded rod (305).
6. The auxiliary anti-blocking device for ash bucket material level of coal-fired power plant according to claim 5, characterized in that: the bottom of sealed baffle (302) left side wall and right side wall all is provided with slider (306), spout (307) have all been seted up to the inside left side wall of installation shell (303) and right side wall, and two slider (306) sliding connection respectively are in the inside of two spout (307).
7. The coal-fired power plant ash bucket material level auxiliary anti-clogging device of claim 4, characterized in that: filter mechanism (400) includes install bin (401), and install bin (401) sets up at dust collection box (301), the four corners department at middle part all is provided with installation piece (402) in install bin (401), four the left side wall of installation piece (402) all is provided with reset spring (403), four reset spring (403)'s left end is provided with filter screen (404), the surface of filter screen (404) is provided with sealing washer (405), and the internal surface in close contact with of the surface of sealing washer (405) and install bin (401).
8. The coal-fired power plant ash bucket material level auxiliary anti-clogging device of claim 7, which is characterized in that: the inside position that is close to the right side of install bin (401) rotates and is connected with dwang (406), dwang (406) surface is close to the position of upper end and lower extreme and all is provided with oval piece (407), two the surface of oval piece (407) all is provided with blotter (408).
9. The coal-fired power plant ash bucket material level auxiliary anti-clogging device of claim 8, which is characterized in that: the upper end of the rotating rod (406) penetrates through the top of the dust collection box (301) and extends to the outer side of the dust collection box (301), the upper surface of the dust collection box (301) is provided with a driving motor (409) through a machine box, and the output shaft of the driving motor (409) is in transmission connection with the upper end of the rotating rod (406) through a coupler.
10. The coal-fired power plant ash bucket material level auxiliary anti-clogging device as claimed in any one of claims 7-9, characterized in that: the middle part of install bin (401) lower surface is provided with sealed piece (309), the top of sealed baffle (302) is provided with sealed the pad (308), and the inside of sealed inside that blocks (309) are located at the top of sealed pad (308) and sealed baffle (302).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221508102.0U CN217996024U (en) | 2022-06-16 | 2022-06-16 | Auxiliary anti-blocking device for ash bucket material level of coal-fired power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221508102.0U CN217996024U (en) | 2022-06-16 | 2022-06-16 | Auxiliary anti-blocking device for ash bucket material level of coal-fired power plant |
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| CN217996024U true CN217996024U (en) | 2022-12-09 |
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| CN202221508102.0U Active CN217996024U (en) | 2022-06-16 | 2022-06-16 | Auxiliary anti-blocking device for ash bucket material level of coal-fired power plant |
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| CN (1) | CN217996024U (en) |
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2022
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