CN215062157U - Mechanical ash-removing rake type ash remover - Google Patents
Mechanical ash-removing rake type ash remover Download PDFInfo
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- CN215062157U CN215062157U CN202120578425.6U CN202120578425U CN215062157U CN 215062157 U CN215062157 U CN 215062157U CN 202120578425 U CN202120578425 U CN 202120578425U CN 215062157 U CN215062157 U CN 215062157U
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- ash
- plate
- ash removal
- rod
- transverse shaft
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000005540 biological transmission Effects 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 12
- 238000007790 scraping Methods 0.000 claims abstract description 4
- 230000033001 locomotion Effects 0.000 claims description 9
- 238000004140 cleaning Methods 0.000 claims description 6
- 239000000428 dust Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 3
- 239000004071 soot Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model discloses a mechanical ash-removing rake-type ash remover, which comprises a braking transmission mechanism and a plurality of groups of ash removing mechanisms connected in series with the braking transmission mechanism; the brake transmission mechanism comprises a motor mounting plate and a bottom plate; a driving motor is fixedly installed on one side of the motor installation plate, a lead screw is arranged between the other side of the motor installation plate and the bottom plate, guide rods are symmetrically arranged on two sides of the lead screw in parallel, and two ends of each guide rod are fixedly connected with the motor installation plate and the bottom plate respectively; one end of the screw rod penetrates through the motor mounting plate and then is connected with the output end of the driving motor, and the other end of the screw rod is connected with a bearing seat on the bottom plate; the guide rod is also sleeved with a movable plate; the dust removing mechanism comprises a transverse shaft rod parallel to the movable plate, pulley seats are arranged at two ends of the transverse shaft rod, a plurality of groups of dust removing scraping plates are uniformly arranged on the transverse shaft rod, and push-pull shaft rods are symmetrically arranged between the movable plate and the transverse shaft rod along the axis direction.
Description
Technical Field
The utility model relates to a boiler cleans the field, especially relates to be fit for being applied to mechanical ash removal rake type deashing ware of deashing between the vertical bank of tubes of boiler air preheater.
Background
The biomass boiler air preheater has serious ash accumulation, serious ash blockage and energy consumption increase of the draught fan. Some existing ash removal equipment depends on manual work, for example, Chinese patent CN205535874U discloses a manual seamless steel tube fire bar rake tooth ash removal device for an atmospheric boiler, the patent uses rake teeth, air blowing holes and a water spray head to remove ash from the atmospheric boiler, however, the patent is manual and needs manual control; the ash removal area is small, and the efficiency is low; some devices also use special driving equipment to control the ash removal rake teeth to remove ash, the used driving tools are generally chain mechanical equipment, and the defect of the chain mechanical equipment is that the chain mechanical equipment cannot be synchronized during reciprocating work, and once the condition occurs, the whole equipment stops running; in addition, the existing steam soot blower, shock wave soot blower and sound wave soot blower can only remove the ash on the surface of the air preheater, but can not remove the accumulated ash between the tube rows.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming the shortcomings of the prior art and providing a rake type ash remover with simple and scientific structure, good flexibility and good reciprocating motion synchronism.
In order to realize the purpose of the utility model, the technical proposal of the utility model is that:
the mechanical ash removal rake type ash remover comprises a braking transmission mechanism for providing power for reciprocating motion and a plurality of groups of ash removal mechanisms connected in series with the braking transmission mechanism; the brake transmission mechanism comprises a motor mounting plate and a bottom plate; a driving motor is fixedly installed on one side of the motor installation plate, a lead screw is arranged between the other side of the motor installation plate and the bottom plate, guide rods are symmetrically arranged on two sides of the lead screw in parallel, and two ends of each guide rod are fixedly connected with the motor installation plate and the bottom plate respectively; one end of the screw rod penetrates through the motor mounting plate and then is connected with the output end of the driving motor, and the other end of the screw rod is connected with a bearing seat on the bottom plate; the guide rod is also sleeved with a movable plate; the ash removal mechanism comprises a transverse shaft rod parallel to the movable plate, pulley seats are arranged at two ends of the transverse shaft rod, a plurality of groups of ash removal scraping plates are uniformly arranged on the transverse shaft rod, and push-pull shaft rods are symmetrically arranged between the movable plate and the transverse shaft rod along the axis direction.
Preferably, a movable shaft sleeve is arranged between the guide rod and the movable plate.
Preferably, the length of the cross shaft is matched with the total width of the vertical tube rows in the boiler.
Preferably, at least two groups of the ash cleaning mechanisms are arranged (the ash cleaning mechanisms can be arranged according to the total length of vertical calandria in the boiler), and the adjacent ash cleaning mechanisms are connected by symmetrically arranged connecting shaft rods along the axial direction.
Preferably, the push-pull shaft rod and the transverse shaft rod are fixedly connected by a shaft rod seat.
Preferably, the ash removal scraper comprises a longitudinal scraper vertically inserted between adjacent tube rows and an upper scraper which is perpendicular to the longitudinal scraper and arranged above the uppermost tube row; the ash removal scrapers are fixedly connected with the cross shaft rod through scraper supports, and the number of the ash removal scrapers can be determined according to the number of the vertical rows of tubes in the width direction.
The utility model has the advantages that:
firstly, the method comprises the following steps: simple structure science, the flexibility is good: the length of the transverse shaft in the ash removal mechanism, the number of the ash removal mechanisms and the number of the ash removal scrapers can be determined according to the total width and the total length of the vertical pipe rows and the number of the vertical pipe rows along the width direction;
secondly, the method comprises the following steps: the synchronism of the reciprocating motion is good; the reciprocating motion is realized by using the driving motor and the screw rod, and the ash removal mechanism is controlled by using the push-pull shaft rod, so that the defect that chain mechanical equipment cannot be synchronous when reciprocating;
thirdly, the method comprises the following steps: the length and the number of the ash removal mechanisms are set according to the total width and the total length of the vertical tube bank, if the length stroke in the furnace is 4 meters and the width in the furnace is 1 meter, the length of the ash removal mechanisms can be set to be about 1 meter, two sets of ash removal mechanisms are arranged, the reciprocating motion is carried out, the stroke of each set is 2 meters, the push-pull shaft levers are symmetrically arranged, the connecting shaft levers are symmetrically arranged, and the resistance of the whole stroke can be reduced by 50%;
fourthly: the driving motor is connected with the PLC, automatic control can be achieved, manpower is reduced, and meanwhile the speed ratio of the driving motor can be controlled through the PLC, so that the reciprocating ash removal movement speed is controlled.
Drawings
Fig. 1 is a top view of the present invention.
Fig. 2 is a front view of the present invention.
In the figure: 1 is a motor mounting plate, 2 is a bottom plate, 3 is a driving motor, 4 is a screw rod, 5 is a guide rod, 6 is a bearing seat, 7 is a movable plate, 8 is a transverse shaft rod, 9 is a pulley seat, 10 is a dust cleaning scraper, 10.1 is a longitudinal scraper, 10.2 is an upper scraper, 11 is a push-pull shaft rod, 12 is a movable shaft sleeve, 13 is a connecting shaft rod, 14 is a shaft rod seat, 15 is a scraper support and 16 is a tube bank.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings.
The mechanical ash removal rake type ash remover comprises a braking transmission mechanism for providing power for reciprocating motion and a plurality of groups of ash removal mechanisms connected in series with the braking transmission mechanism; the brake transmission mechanism comprises a motor mounting plate 1 and a bottom plate 2; a driving motor 3 is fixedly installed on one side of the motor installation plate 1, a lead screw 4 is arranged between the other side of the motor installation plate and the bottom plate 2, guide rods 5 are symmetrically arranged on two sides of the lead screw 4 in parallel, and two ends of each guide rod 5 are fixedly connected with the motor installation plate 1 and the bottom plate 2 respectively; one end of the screw rod 4 penetrates through the motor mounting plate 1 and then is connected with the output end of the driving motor 3, and the other end of the screw rod is connected with a bearing seat 6 on the bottom plate 2; the guide rod 5 is also sleeved with a movable plate 7; the ash removal mechanism comprises a transverse shaft rod 8 parallel to the movable plate 7, pulley seats 9 are arranged at two ends of the transverse shaft rod 8, a plurality of groups of ash removal scraping plates 10 are uniformly arranged on the transverse shaft rod 8, and push-pull shaft rods 11 are symmetrically arranged between the movable plate 7 and the transverse shaft rod 8 along the axis direction.
Preferably, a movable bushing 12 is disposed between the guide rod 5 and the movable plate 7.
Preferably, the length of the transverse shaft 8 is adapted to the total width of the vertical tube rows 16 in the boiler.
Preferably, at least two sets of the ash removing mechanisms are arranged (the ash removing mechanisms can be arranged according to the total length of vertical calandria in the boiler), and the adjacent ash removing mechanisms are connected by the connecting shaft rods 13 which are symmetrically arranged along the axial direction.
Preferably, the push-pull shaft rod 11 and the transverse shaft rod 8 are fixedly connected by a shaft rod seat 14.
Preferably, the ash removal scraper 10 comprises a longitudinal scraper 10.1 vertically inserted between adjacent tube rows 16 and an upper scraper 10.2 vertical to the longitudinal scraper 10.1 and arranged above the uppermost tube row 16; the deashing scrapers 10 are fixedly connected with the transverse shaft rod 8 through the scraper supports 15, and the number of the deashing scrapers 10 can be determined according to the number of the vertical rows of tubes 16 in the width direction.
The working principle of the ash cleaner is as follows: the driving motor 3 pushes the movable plate 7 (pushing the push-pull shaft lever 11) to reciprocate along the screw rod 4, and the ash removing mechanism can be controlled to perform reciprocating ash removal.
This ash remover simple structure science, the flexibility is good: the length of the transverse shaft rod 8 in the ash removing mechanism, the number of the ash removing mechanisms and the number of the ash removing scrapers 10 can be determined according to the total width and the total length of the vertical tube rows 16 and the number of the vertical tube rows 16 along the width direction; if the length stroke in the furnace is 4 meters and the width in the furnace is 1 meter, the length of the ash removal mechanism can be set to be about 1 meter, two sets of ash removal mechanisms are arranged to reciprocate, the stroke of each set is 2 meters, the push-pull shaft levers 11 are symmetrically arranged in two, the connecting shaft levers 13 are symmetrically arranged in two, and the resistance of the whole stroke can be reduced by 50%; the driving motor 3 is connected with the PLC, automatic control can be achieved, manpower is reduced, and meanwhile the speed ratio of the driving motor 3 can be controlled through the PLC, so that the reciprocating ash removal movement speed is controlled.
The described embodiments are only some, but not all embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Claims (5)
1. Mechanical ash removal harrow formula deashing ware, its characterized in that: comprises a braking transmission mechanism for providing power for reciprocating motion and a plurality of groups of ash cleaning mechanisms connected in series with the braking transmission mechanism; the brake transmission mechanism comprises a motor mounting plate (1) and a bottom plate (2); a driving motor (3) is fixedly installed on one side of the motor installation plate (1), a lead screw (4) is arranged between the other side of the motor installation plate and the bottom plate (2), guide rods (5) are symmetrically arranged on two sides of the lead screw (4) in parallel, and two ends of each guide rod (5) are fixedly connected with the motor installation plate (1) and the bottom plate (2) respectively; one end of the screw rod (4) penetrates through the motor mounting plate (1) and then is connected with the output end of the driving motor (3), and the other end of the screw rod is connected with a bearing seat (6) on the bottom plate (2); a movable plate (7) is sleeved on the guide rod (5); the ash removal mechanism comprises a transverse shaft rod (8) parallel to the movable plate (7), pulley seats (9) are arranged at two ends of the transverse shaft rod (8), a plurality of groups of ash removal scraping plates (10) are uniformly arranged on the transverse shaft rod (8), and push-pull shaft rods (11) are symmetrically arranged between the movable plate (7) and the transverse shaft rod (8) along the axis direction.
2. The mechanical ash removal rake ash remover of claim 1, wherein: a movable shaft sleeve (12) is arranged between the guide rod (5) and the movable plate (7).
3. The mechanical ash removal rake ash remover of claim 1, wherein: the ash removal mechanisms are at least arranged in two groups, and the adjacent ash removal mechanisms are connected by connecting shaft rods (13) which are symmetrically arranged along the axis direction.
4. The mechanical ash removal rake ash remover of claim 1, wherein: the push-pull shaft lever (11) is fixedly connected with the transverse shaft lever (8) through a shaft lever seat (14).
5. The mechanical ash removal rake ash remover of claim 1, wherein: the ash removal scraper (10) comprises a longitudinal scraper (10.1) vertically inserted between adjacent tube rows (16) and an upper scraper (10.2) which is vertical to the longitudinal scraper (10.1) and arranged above the uppermost tube row (16); the ash cleaning scraper (10) is fixedly connected with the transverse shaft rod (8) through a scraper support (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578425.6U CN215062157U (en) | 2021-03-22 | 2021-03-22 | Mechanical ash-removing rake type ash remover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120578425.6U CN215062157U (en) | 2021-03-22 | 2021-03-22 | Mechanical ash-removing rake type ash remover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215062157U true CN215062157U (en) | 2021-12-07 |
Family
ID=79153904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120578425.6U Active CN215062157U (en) | 2021-03-22 | 2021-03-22 | Mechanical ash-removing rake type ash remover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215062157U (en) |
-
2021
- 2021-03-22 CN CN202120578425.6U patent/CN215062157U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220126 Address after: 214200 Zhongxi Village, HeQiao Town, Yixing City, Wuxi City, Jiangsu Province Patentee after: JIANGSU XINFENG QINGHUI TECHNOLOGY Co.,Ltd. Address before: 214200 Room 204, No. 72, building 27, Duifang new village, Yicheng street, Yixing City, Wuxi City, Jiangsu Province Patentee before: Zhang Shunliang |
|
| TR01 | Transfer of patent right |