CN112050236A - Longitudinal reciprocating push rod ash remover - Google Patents
Longitudinal reciprocating push rod ash remover Download PDFInfo
- Publication number
- CN112050236A CN112050236A CN202010972890.8A CN202010972890A CN112050236A CN 112050236 A CN112050236 A CN 112050236A CN 202010972890 A CN202010972890 A CN 202010972890A CN 112050236 A CN112050236 A CN 112050236A
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- CN
- China
- Prior art keywords
- push rod
- shell
- power source
- guide
- ash
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J3/00—Removing solid residues from passages or chambers beyond the fire, e.g. from flues by soot blowers
Abstract
The invention discloses a longitudinal reciprocating push rod ash remover which comprises a shell, a push rod, a U-shaped guide slideway, a sliding wheel shaft, a guide sleeve, a guide connecting rod, a support, a power source, a connecting plate, a pin bush, a scraper, a positioning clamping plate, a clamp spring, a dustproof cover plate and a bearing. The parts of the invention are conventional simple parts which are easy to obtain and have lower manufacturing cost. The invention has simple maintenance and low maintenance cost. The power source pneumatic cylinder of the longitudinal reciprocating push rod dust remover is a mature industrial product, has long service life and small volume, and is not afraid of high temperature because no special parts are arranged at the end of the dust remover.
Description
Technical Field
The invention relates to an ash remover, in particular to a longitudinal reciprocating push rod ash remover.
Background
The deposited dust generated by the cyclone dust collector and the bag-type dust collector at the tail part of the boiler is transmitted into a slag remover at the lower part of the fire grate and then is discharged into a slag pit by the slag remover. Because the temperature near the fire grate is higher, the requirement on the high temperature resistance of the ash remover is stricter, the existing ash removing equipment is seriously abraded, and the existing boiler ash removing transmission equipment comprises a packing auger transmission machine, a scraper ash remover and a conveyor belt. Wherein the problem that auger conveyer exists has: the friction among the blades, the casing and the materials is large, the power consumption is large, the blades and the casing are easy to wear, the equipment maintenance is complex, and especially the wear of the blades and the casing is serious. Problems with scraper ash removers are: the scraping plate and the shell are seriously abraded, the number of machined parts is large, a power system is close to the ash outlet, the high temperature resistance is not realized, and the installation space is large. The problems of the conveyor belt are: the high temperature resistance is poor, the transmission ratio is inaccurate, the service life of the conveyor belt is short, the load on the shaft is large, the external size of the transmission device is large, and the installation space is large.
Disclosure of Invention
The invention aims to provide a longitudinal reciprocating push rod ash remover which is provided with a pulley and a U-shaped guide slideway, wherein a bearing is arranged in the pulley, a scraper plate and a shell are at a certain distance, almost no abrasion is caused, the abrasion resistance degree is good, and the service life is long.
In order to solve the problems in the prior art, the invention adopts the technical scheme that:
the longitudinal reciprocating push rod ash remover comprises a shell, wherein ash is discharged from the front end of the shell, a guide sleeve is welded on a rear blocking plate, the hole direction of the guide sleeve is parallel to the shell, a wear-resistant graphite sleeve is embedded in the guide sleeve, and at least two pairs of U-shaped guide slideways are arranged above the shell according to the length of the ash remover; the dust removing device comprises a shell, a rectangular pipe, a push rod, a pin sleeve, a positioning clamping plate and a pin shaft, wherein the rectangular pipe is arranged in the shell and used as the push rod, the push rod is shorter than the shell, a plurality of through holes are formed in two longitudinal sides of the push rod, the dust removing scraping plates are arranged at positions of the push rod corresponding to drilled holes, a rectangular opening is formed between each dust removing scraping plate and the push rod and matched with the push rod, the upper part of the rectangular opening is welded with the pin sleeve, the pin sleeve is hinged with the through holes of the push rod through pins, the rear part of; the rear end of the push rod is provided with three shaft sleeves, the hole directions of the shaft sleeves are communicated up and down, the shaft sleeves at the upper end and the lower end are connected with the push rod in a welding way, the three shaft sleeves are hinged by a pin shaft, the shaft sleeve in the middle is connected with a guide connecting rod in a welding way, the guide connecting rod penetrates through a wear-resistant graphite sleeve embedded in the guide sleeve, and one end of the guide connecting rod is drilled and tapped; the rear end of the shell is welded with a fixed bracket of a power source, one side of the bracket is fixed with the power source by a bolt, and the power source is connected with the guide connecting rod; the upper part of the push rod and the corresponding position of the U-shaped guide slideway are provided with a sliding wheel shaft, the sliding wheel shaft and the push rod are welded by a connecting plate, two ends of the sliding wheel shaft are provided with sliding wheels, a bearing is arranged between the sliding wheels and the sliding wheel shaft, and the outer sides of the sliding wheels are fixed on the sliding wheel shaft by snap springs; the power source is provided with an electromagnetic directional valve.
Further, the power source is one of a pneumatic cylinder, an electric push rod, a hydraulic cylinder, or a mechanically driven eccentric wheel. When the power source is a pneumatic cylinder, the end of a telescopic rod of the pneumatic cylinder is screwed and fixed with the guide connecting rod through threads.
Furthermore, the U-shaped guide slide ways are welded with the shell and fixed through reinforcing rib plates, the U-shaped guide slide ways are symmetrically arranged on two sides of the shell, and the length of each U-shaped guide slide way is larger than the stroke of each push rod.
Further, one end of the pin is fixed with a cotter pin.
Furthermore, the upper part of the bracket is provided with a dustproof cover plate.
Furthermore, when the push rod is pushed forwards, the scraper blade sags and drives the accumulated dust to move forwards, when the push rod moves backwards, the bottom of the scraper blade is supported by the accumulated dust and is close to the lower part of the push rod, and due to the action of gravity, when the push rod is pushed forwards again, the scraper blade sags downwards and is inserted into the accumulated dust.
The invention has the advantages and beneficial effects that:
according to the longitudinal reciprocating push rod ash remover, due to the fact that the pulley and the U-shaped guide slideway are arranged, the bearing is arranged in the pulley, the scraper and the shell are at a certain distance, abrasion is almost avoided, and the abrasion resistance degree is good. The parts of the invention are conventional simple parts which are easy to obtain and have lower manufacturing cost. The invention has simple maintenance and low maintenance cost. The power source pneumatic cylinder of the longitudinal reciprocating push rod dust remover is a mature industrial product, has long service life and small volume, and is not afraid of high temperature because no special parts are arranged at the end of the dust remover. The push rod of the ash remover is connected with the plurality of scrapers in a pin hinge mode, and each scraper is an independent individual and can be independently maintained and replaced. When the push rod is pushed forwards, the scraper blade sags and drives the accumulated dust to move forwards, when the push rod is pushed backwards, the bottom of the scraper blade is supported by the accumulated dust and is close to the lower part of the push rod, and when the push rod is pushed forwards again, the scraper blade sags downwards and is inserted into the accumulated dust due to the action of gravity. The whole process simulates the action of scooping forward by a shovel, the scraper is equal to the shovel and is not in contact with the shell, and the scraper is not abraded. The sliding shaft and the sliding wheel arranged at the upper part of the push rod do reciprocating motion longitudinally in the U-shaped guide slideway, the structure converts the most serious abrasion part 'spade' and the shell into rotation consumption of the bearing, and the abrasion of the whole dust remover is controlled in a minimum range because the bearing rotates almost without abrasion.
Drawings
The invention is described in further detail below with reference to the accompanying drawings:
FIG. 1 is a front view of the longitudinally reciprocating pusher bar ash extractor of the present invention;
FIG. 2 is a top view of the longitudinally reciprocating pusher bar ash extractor of the present invention;
FIG. 3 is a left side view of the longitudinally reciprocating pusher bar ash extractor of the present invention;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
In the figure, a shell 1, a push rod 2, a U-shaped guide slideway 3, a sliding wheel 4, a sliding wheel shaft 5, a guide sleeve 6, a guide connecting rod 7, a bracket 8, a pneumatic cylinder 9, a connecting plate 10, a pin 11, a pin sleeve 12, a scraper 13, a positioning clamping plate 14, a clamp spring 15, a dustproof cover plate 16 and a bearing 17.
Detailed Description
In order to further illustrate the present invention, the following detailed description of the present invention is made with reference to the accompanying drawings and examples, which should not be construed as limiting the scope of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1 and 4, the longitudinal reciprocating push rod ash remover of the invention comprises a shell 1, a push rod 2, a U-shaped guide slideway 3, a sliding wheel 4, a sliding wheel shaft 5, a guide sleeve 6, a guide connecting rod 7, a bracket 8, a power source, a connecting plate 10, a pin 11, a pin sleeve 12, a scraping plate 13, a positioning clamping plate 14, a clamping spring 15, a dust-proof cover plate 16 and a bearing 17, wherein the power source is one of a pneumatic cylinder, an electric push rod, a hydraulic cylinder or a mechanically-driven eccentric wheel. In this embodiment, the power source is a pneumatic cylinder 9.
The front end of the shell is ash-discharged, the rear end closure plate is welded with a guide sleeve 6, the hole direction of the guide sleeve is parallel to the shell, a wear-resistant graphite sleeve is embedded in the guide sleeve, and at least two pairs of U-shaped guide slideways 3 are arranged on the lateral upper side of the shell according to the length of the ash pusher; the U-shaped guide slideway 3 is welded with the shell and fixed through a reinforcing rib plate, the U-shaped guide slideways are symmetrically arranged on two sides of the shell, and the length of each U-shaped guide slideway is larger than the stroke of the push rod 2.
The dust removal device is characterized in that a rectangular pipe is arranged in the shell and serves as a push rod 2, the push rod is shorter than the shell, a plurality of through holes are formed in two longitudinal sides of the push rod, a dust removal scraper 13 is installed at a position, corresponding to a drilled hole, of the push rod, a giant opening is formed between the scraper and the push rod and is matched with the push rod, a pin bush 12 is welded to the upper portion of the opening, the pin bush is hinged to the through hole of the push rod through a pin, one end of the pin 11 is fixed through a split. The rear portion of every scraper blade has all set up location cardboard 14, and the bottom welding of location cardboard and push rod links to each other, and the location cardboard prevents that the scraper blade from toppling over backward when pushing away the ash forward, and the lower part and the casing of scraper blade have certain distance.
The rear end of the push rod is provided with three shaft sleeves, the hole directions of the shaft sleeves are communicated up and down, the shaft sleeves at the upper end and the lower end are connected with the push rod in a welding way, the three shaft sleeves are hinged by a pin shaft, the shaft sleeve in the middle is connected with a guide connecting rod 7 in a welding way, the guide connecting rod penetrates through a wear-resistant graphite sleeve embedded in the guide sleeve, and one end of the guide connecting rod is drilled and tapped; the rear end of the shell is welded with a fixed support of a pneumatic cylinder, the upper part of the support is provided with a dustproof cover plate 16, one side of the support 8 is fixed with the pneumatic cylinder 9 through bolts, and the end of a telescopic rod of the pneumatic cylinder is screwed and fixed with a guide connecting rod through threads.
As shown in fig. 2 and 3, the upper part of the push rod and the corresponding position of the U-shaped guide slideway are provided with a sliding wheel shaft 5, the sliding wheel shaft and the push rod are welded by a connecting plate 10, two ends of the sliding wheel shaft are provided with sliding wheels 4, a bearing 17 is arranged between the sliding wheels and the sliding wheel shaft, and the outer sides of the sliding wheels are fixed on the sliding wheel shaft by a snap spring 15; the pneumatic cylinder 9 is provided with an electromagnetic directional valve. The switch of the electromagnetic reversing valve is controlled through the time relay after the air source is switched on, so that the telescopic rod of the pneumatic cylinder is controlled to drive the push rod to do reciprocating motion, when the pneumatic cylinder is pushed forwards to the limit, the accumulated dust is driven by the plurality of scraper blades to move forwards for a certain distance, at the moment, the scraper blade at the forefront end of the push rod is aligned with the front end of the shell, when the pneumatic cylinder is pushed backwards and backwards, the bottom of the scraper blade is supported by the accumulated dust to be attached to the push rod, due to the action of gravity, the scraper blades are downwards vertically inserted into the accumulated dust when the push rod is pushed forwards again, the accumulated dust at the position is driven forwards by the scraper blades again, the operation is repeated, the accumulated dust at the rear part. This process mimics the series of actions of a human shovel scooping forward. The number of times of the propulsion of the cylinder can be controlled by adjusting time through a time relay.
Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes and modifications can be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (7)
1. Vertical reciprocal push rod ash removal machine, its characterized in that: the ash pusher comprises a shell (1), wherein ash is discharged from the front end of the side end of the shell, a guide sleeve (6) is welded on a rear side blocking plate, the hole direction of the guide sleeve is parallel to the shell, a wear-resistant graphite sleeve is embedded in the guide sleeve, and at least two pairs of U-shaped guide slideways (3) are arranged above the shell according to the length of the ash pusher; the dust removing device is characterized in that a rectangular pipe is arranged in the shell and used as a push rod (2), the push rod is shorter than the shell, a plurality of through holes are formed in two longitudinal sides of the push rod, dust removing scrapers (13) are installed at positions, corresponding to drilled holes, of the push rod, rectangular openings are formed between the dust removing scrapers and the push rod and matched with the push rod, pin sleeves (12) are welded on the upper portions of the rectangular openings, the pin sleeves and the through holes of the push rod are hinged through pins, a positioning clamping plate (14) is arranged on the rear portion of each scraper, the positioning clamping plates are connected with the bottom of the push rod in a; the rear end of the push rod is provided with three shaft sleeves, the directions of shaft sleeve holes are communicated up and down, the shaft sleeves at the upper end and the lower end are connected with the push rod in a welding way, the three shaft sleeves are hinged by a pin shaft, the shaft sleeve in the middle is connected with a guide connecting rod (7) in a welding way, the guide connecting rod penetrates through a wear-resistant graphite sleeve embedded in the guide sleeve, and one end of the guide connecting rod is drilled and tapped; the rear end of the shell is welded with a fixed bracket of a power source, one side of the bracket (8) is fixed with the power source by a bolt, and the power source is connected with the guide connecting rod; the upper part of the push rod and the corresponding position of the U-shaped guide slideway are provided with a sliding wheel shaft (5), the sliding wheel shaft and the push rod are welded by a connecting plate (10), two ends of the sliding wheel shaft are provided with sliding wheels (4), a bearing (17) is arranged between the sliding wheels and the sliding wheel shaft, and the outer sides of the sliding wheels are fixed on the sliding wheel shaft by snap springs (15); the power source is provided with an electromagnetic directional valve.
2. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 1 wherein: the power source is one of a pneumatic cylinder, an electric push rod, a hydraulic cylinder or a mechanically driven eccentric wheel.
3. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 2 wherein: when the power source is a pneumatic cylinder, the end of a telescopic rod of the pneumatic cylinder is screwed and fixed with the guide connecting rod through threads.
4. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 1 wherein: the U-shaped guide slideway (3) is welded with the shell and fixed through a reinforcing rib plate, the U-shaped guide slideway is symmetrically arranged on two sides of the shell, and the length of the U-shaped guide slideway is greater than the stroke of the push rod (2).
5. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 1 wherein: one end of the pin (11) is fixed by a cotter pin.
6. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 1 wherein: the upper part of the bracket is provided with a dustproof cover plate (16).
7. The longitudinally reciprocating pusher bar ash extractor as set forth in claim 1 wherein: when the push rod is pushed forwards, the scraper blade sags and drives the accumulated dust to move forwards, when the push rod moves backwards, the bottom of the scraper blade is supported by the accumulated dust and is close to the lower part of the push rod, and when the push rod is pushed forwards again, the scraper blade sags downwards and is inserted into the accumulated dust due to the action of gravity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972890.8A CN112050236A (en) | 2020-09-16 | 2020-09-16 | Longitudinal reciprocating push rod ash remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010972890.8A CN112050236A (en) | 2020-09-16 | 2020-09-16 | Longitudinal reciprocating push rod ash remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112050236A true CN112050236A (en) | 2020-12-08 |
Family
ID=73603169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010972890.8A Pending CN112050236A (en) | 2020-09-16 | 2020-09-16 | Longitudinal reciprocating push rod ash remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112050236A (en) |
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2020
- 2020-09-16 CN CN202010972890.8A patent/CN112050236A/en active Pending
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Address after: 110000 Xin Tai Zi Zhen Xin Tai Bao Cun, Tieling County, Tieling City, Liaoning Province Applicant after: Liaoning Zhongyuan Energy Saving Boiler Co.,Ltd. Address before: 110000 Xintai Road, high tech Industrial Development Zone, Tieling City, Liaoning Province Applicant before: TIELING ZHONGYUAN ENVIRONMENTAL PROTECTION EQUIPMENT MANUFACTURING CO.,LTD. |