CN201177267Y - Water power sootblower - Google Patents
Water power sootblower Download PDFInfo
- Publication number
- CN201177267Y CN201177267Y CNU2007201781352U CN200720178135U CN201177267Y CN 201177267 Y CN201177267 Y CN 201177267Y CN U2007201781352 U CNU2007201781352 U CN U2007201781352U CN 200720178135 U CN200720178135 U CN 200720178135U CN 201177267 Y CN201177267 Y CN 201177267Y
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- CN
- China
- Prior art keywords
- blowing pipe
- soot blower
- adjusting
- seal
- housing
- Prior art date
- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a water power soot blower which has a structure as follows: the inner part of a housing is provided with a blowing tube, a sealing mechanism matched with the blowing tube and an adjusting lever of an adjusting valve, wherein the housing is respectively provided with a transmission mechanism and the adjusting valve, the tail part of the blowing tube is rotatablely connected with a guide frame of the sealing mechanism and is fixedly connected with an output screw rod of the transmission mechanism, a sealing filling material is arranged between a sealing body of the sealing mechanism and the blowing tube, the middle part of the sealing filling material is provided with a guide ring, an annular hollow cavity of the inner part of the guide ring is respectively communicated with a through hole on the sealing body and a lateral hole on the blowing tube, the adjusting screw rod is fixedly connected with the guide frame, the external lateral surface of the adjusting screw rod is provided with an adjusting control surface matched with the property of the adjusting property of the adjusting valve, and a water outlet of the adjusting valve is connected with the through hole on the sealing body. The water power soot blower can automatically adjust the water outlet pressure according to the process of the blowing tube, has simple structure, low cost, convenient use and good effects, and is mainly used for effectively removing the coke on the water cool wall of a coal burning boiler.
Description
Technical field
The utility model relates to a kind of waterpower soot blower, is mainly used in the coking of removing on the coal-burning boiler water-cooling wall.
Background technology
The boiler sootblower that China uses at present mostly is long flexible soot blower or steam sootblower, and mostly be external imported product, these equipment are complex structure not only, and can not be according to the pressure that distance is regulated water automatically that puts in of blowing pipe, be difficult to remove clean for the thick burner hearth of boiler coke, especially contain the more power plant of sodium, can not remove coking on the water-cooling wall with above soot blower, often still need to use artificial decoking in the practice, slagging scorification is more serious then needs the blowing out slag hitting, has brought very big difficulty for the economy and the safe operation of power plant.
The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of waterpower soot blower, and this soot blower structure is simple, can adjust water pressure automatically according to the distance that puts in of blowing pipe.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of waterpower soot blower, be provided with blowing pipe in its housing, with the supporting sealing mechanism of blowing pipe and the adjustment (adjusting) lever of control valve, be separately installed with transmission mechanism and described control valve on the described housing, described blowing pipe passes the seal of described sealing mechanism, its afterbody is rotatably connected with the saddle of described sealing mechanism, and it is fixedly connected with the output leading screw of described transmission mechanism, described sealing mechanism mainly is made of described saddle and described seal, described saddle is slidingly connected with described housing, described seal is with being provided with airtight and watertight padding between the blowing pipe, described airtight and watertight padding middle part is provided with guide ring, the outside of described guide ring connects the inwall of described seal, inboard with described blowing pipe matched in clearance, the inside of guide ring is toroidal cavity, the inside and outside both sides of described toroidal cavity are annular opening, be communicated with through hole on the described seal and the side opening on the described blowing pipe respectively, described adjustment (adjusting) lever is fixedlyed connected with described saddle, its lateral surface is the adjusting chain of command that matches with described control valve control characteristic, described adjusting chain of command is relative with the valve rod rod end of described control valve, and the delivery port of described control valve connects described through hole on the described seal by the flexible pipe that passes described housing.
The utility model operation principle and beneficial effect are: the output of transmission mechanism is a leading screw, and drive blowing pipe and sealing mechanism moved up when leading screw rotated, and drives blowing pipe simultaneously and rotates.Adjustment (adjusting) lever together moves up with sealing mechanism, when blowing pipe advances to the water spray position, regulate chain of command dependence self change of shape with the outside jack-up of the valve rod of control valve, open control valve, the water outlet of control valve is by flexible pipe flow through the successively through hole of seal, the toroidal cavity of guide ring, the side opening of blowing pipe and the pore of blowing pipe, at last from the nozzle ejection of blowing pipe.Along with sealing mechanism continues to move up, the adjusting chain of command of adjustment (adjusting) lever continues outwards top with the valve rod of control valve, the aperture of control valve is constantly increased, the water spray pressure of blowing pipe constantly increases, regulate of the control characteristic design of the shape of chain of command, water spray pressure is remained on the required pressure automatically according to the stroke and the control valve of blowing pipe.The utility model has been realized the automatic adjusting of soot blower by this simple structure, has not only simplified device structure, has reduced manufacturing cost, made things convenient for on-the-spot use, and greatly improved and blown grey effect, satisfied the requirement of The field, realized blowing automatically the purpose of ash.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
The specific embodiment
Referring to Fig. 1, the utility model provides a kind of waterpower soot blower, be provided with blowing pipe 2 in its housing 1, with the supporting sealing mechanism of blowing pipe and the adjustment (adjusting) lever 4 of control valve 3, be separately installed with transmission mechanism 5 and described control valve on the described housing, described blowing pipe passes the seal 6 of described sealing mechanism, its afterbody is rotatably connected with the saddle 7 of described sealing mechanism, and it is fixedly connected with the output leading screw 8 of described transmission mechanism, described sealing mechanism mainly is made of described saddle and described seal, described saddle is slidingly connected with described housing, described seal is with being provided with airtight and watertight padding 9 between the blowing pipe, described airtight and watertight padding middle part is provided with guide ring 10, the outside of described guide ring connects the inwall of described seal, inboard with described blowing pipe matched in clearance, the inside of guide ring is toroidal cavity, the inside and outside both sides of described toroidal cavity are annular opening, be communicated with through hole on the described seal and the side opening on the described blowing pipe respectively, described adjustment (adjusting) lever is fixedlyed connected with described saddle, its lateral surface is the adjusting chain of command that matches with described control valve control characteristic, described adjusting chain of command is relative with the rod end of the valve rod 20 of described control valve, the described through hole that the delivery port of described control valve connects on the described seal by the flexible pipe 14 that passes described housing.
It is cylindric that described seal can be usually, its bottom is waney annular stage shape, and be fixed together with plate-like mount pad 15 on the described saddle, be formed for holding the installation cavity of bearing, the part that described blowing pipe is positioned at described installation cavity is provided with and is used for bearings mounted annular shoulder, and being connected the overall structure that the plate-like mount pad on described seal and the saddle constitutes by bearing two or more bearings that maybe can bear radial load and axial load respectively, described bearing can comprise single-row radial ball bearing 16 that is positioned at the below and the single direction thrust ball bearing 17 that is positioned at the top.
Can adopt fixedly connected modes such as pin connection to connect between described leading screw and the described blowing pipe.
The top of described airtight and watertight padding can be provided with gland 18 so that the filler appropriateness is compressed, and described gland is fixed together by flange and bolt and described seal.Because blowing pipe described in the utility model can be realized good sealing effectiveness by this structure with only relatively rotating between the described seal.
Be convenient processing and manufacture, described blowing pipe can be divided into three sections of upper, middle and lowers, wherein hypomere is mainly used in the connection between described leading screw and the described sealing mechanism, epimere then comprises the part that extends to boiler, the stage casing is that epimere is with the linkage section between the hypomere, its upper end links into an integrated entity by welding manner and described epimere, is connected by flange seal between lower end and the described hypomere.
Described blowing pipe top is provided with nozzle 19, preferred 4 ° 30 of the back rake angle of the apopore of described nozzle ' about, for example 6 ° 00 ', 5 ° 30 ', 5 ° 00 ', 4 ° 30 ', 4 ° 00 ', 3 ° 30 ', 3 ° 00 ' and arbitrarily angled between 6 °-3 °, thus when purging the radius increase, shower is tangentially inswept along the water-cooling wall direction, promptly guaranteed the slagging-off effect, reduced " thermal shock " to pipe again, and under this less back rake angle, the length that puts in of blowing pipe also shortens greatly, and the clinker of having avoided blowing pipe to be fallen is pounded curved phenomenon.
The lower end of described adjustment (adjusting) lever can be fixedly connected with described saddle, so that together move up and down with saddle, can be provided with in the described housing limit adjustment (adjusting) lever can only axially movable guide frame, move radially to avoid adjustment (adjusting) lever, improve control accuracy to control valve opening.
Described transmission mechanism can be provided with handwheel 21, so that manual operation where necessary.
The utility model can also be provided with some travel switches 22 of control blowing pipe stroke peak, minimum point or highs and lows, described travel switch is connected on the control circuit of transmission mechanism drive motors 23, when reaching blowing pipe peak or minimum point, cut off motor power.
For described travel switch is installed, the axial long hole that described saddle can pass on the housing extends to hull outside, described travel switch is installed on the described saddle that is positioned at hull outside, and the block corresponding with the Stroke Control scope be set on housing, when travel switch moved with saddle and contacts with described block, travel switch was triggered.Also can adopt the structure of other any suitable that described travel switch is installed according to prior art.
The electric control box 24 of control drive motors work can be installed, with handled easily on the described housing.
Described housing top can be provided with to be used to be fixed and be installed in mounting structure on the boiler, installs with convenient, and described mounting structure is mounting flange or installing plate etc.
Orientation such as upper and lower, high and low described in this specification does not constitute the qualification to the actual use of the utility model orientation corresponding to orientation shown in the drawings.
Described being slidingly connected is meant that the movable connection method that adopts only permission to slide relatively connects; Described being rotatably connected is meant that employing only allows counterrotating movable connection method to connect.
Claims (10)
1. waterpower soot blower, it is characterized in that being provided with blowing pipe in its housing, with the supporting sealing mechanism of blowing pipe and the adjustment (adjusting) lever of control valve, be separately installed with transmission mechanism and described control valve on the described housing, described blowing pipe passes the seal of described sealing mechanism, its afterbody is rotatably connected with the saddle of described sealing mechanism, and it is fixedly connected with the output leading screw of described transmission mechanism, described sealing mechanism mainly is made of described saddle and described seal, described saddle is slidingly connected with described housing, described seal is with being provided with airtight and watertight padding between the blowing pipe, described airtight and watertight padding middle part is provided with guide ring, the outside of described guide ring connects the inwall of described seal, inboard with described blowing pipe matched in clearance, the inside of guide ring is toroidal cavity, the inside and outside both sides of described toroidal cavity are annular opening, be communicated with through hole on the described seal and the side opening on the described blowing pipe respectively, described adjustment (adjusting) lever is fixedlyed connected with described saddle, its lateral surface is the adjusting chain of command that matches with described control valve control characteristic, described adjusting chain of command is relative with the valve rod rod end of described control valve, and the delivery port of described control valve connects described through hole on the described seal by the flexible pipe that passes described housing.
2. waterpower soot blower as claimed in claim 1, it is characterized in that described seal is cylindric, its bottom is waney annular stage shape, and be fixed together with plate-like mount pad on the described saddle, be formed for holding the installation cavity of bearing, the part that described blowing pipe is positioned at described installation cavity is provided with and is used for bearings mounted annular shoulder, and is connected the overall structure that the mount pad on described seal and the saddle constitutes by bearing two or more bearings that maybe can bear radial load and axial load respectively.
3. waterpower soot blower as claimed in claim 2 is characterized in that described bearing comprises single-row radial ball bearing that is positioned at the below and the single direction thrust ball bearing that is positioned at the top.
4. waterpower soot blower as claimed in claim 1, it is characterized in that described airtight and watertight padding above be provided with gland, described gland is fixed together by flange and bolt and described seal.
5. waterpower soot blower as claimed in claim 1, it is characterized in that described blowing pipe is divided into three sections of upper, middle and lowers, wherein hypomere is with the connection between described leading screw and the described sealing mechanism, epimere then comprises the part that extends to boiler, the stage casing is that epimere is with the linkage section between the hypomere, its upper end links into an integrated entity by welding manner and described epimere, is connected by flange seal between lower end and the described hypomere.
6. waterpower soot blower as claimed in claim 1 is characterized in that described blowing pipe top is provided with nozzle, and the apopore back rake angle of described nozzle is arbitrarily angled between 6 °-3 °.
7. waterpower soot blower as claimed in claim 1, it is characterized in that being provided with in the described housing qualification adjustment (adjusting) lever can only axially movable guide frame.
8. waterpower soot blower as claimed in claim 1 is characterized in that described transmission mechanism is provided with handwheel.
9. waterpower soot blower as claimed in claim 1 is characterized in that also being provided with some travel switches of controlling blowing pipe stroke peak, minimum point or highs and lows, and described travel switch is connected on the control circuit of transmission mechanism drive motors.
10. waterpower soot blower as claimed in claim 1, it is characterized in that the axial long hole that described saddle passes on the housing extends to hull outside, described travel switch is installed on the described saddle that is positioned at hull outside, the block corresponding with the Stroke Control scope is set on the described housing, the electric control box of control drive motors work also is installed on the described housing, and described housing top is provided with to be used to be fixed and is installed in mounting structure on the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201781352U CN201177267Y (en) | 2007-10-10 | 2007-10-10 | Water power sootblower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201781352U CN201177267Y (en) | 2007-10-10 | 2007-10-10 | Water power sootblower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201177267Y true CN201177267Y (en) | 2009-01-07 |
Family
ID=40217284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201781352U Expired - Lifetime CN201177267Y (en) | 2007-10-10 | 2007-10-10 | Water power sootblower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201177267Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649348A (en) * | 2020-06-08 | 2020-09-11 | 上海申能电力科技有限公司 | Novel soot blower and using method thereof |
-
2007
- 2007-10-10 CN CNU2007201781352U patent/CN201177267Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649348A (en) * | 2020-06-08 | 2020-09-11 | 上海申能电力科技有限公司 | Novel soot blower and using method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090107 |
|
| CX01 | Expiry of patent term |