CN101858590A - Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln - Google Patents
Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln Download PDFInfo
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- CN101858590A CN101858590A CN201010211762A CN201010211762A CN101858590A CN 101858590 A CN101858590 A CN 101858590A CN 201010211762 A CN201010211762 A CN 201010211762A CN 201010211762 A CN201010211762 A CN 201010211762A CN 101858590 A CN101858590 A CN 101858590A
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- heat pipe
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- waste heat
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Abstract
The invention provides a rapping device and a rapping method for a heated tube suspended structure, which are applied in the field of a pure low-temperature waste heat generating system of a cement clinker production line. The rapping device (9) for the heated tube suspended structure of the kiln tail waste heat boiler of the cement kiln is arranged on a part below the middle position of the heated tube (4), and the optimal setting position of the device is the lower end of the heated tube (4). The rapping method comprises the following steps of: applying an impact force to a rapping hammer (8) by using a manual method or mechanical method; and impacting the lower end of the heated tube (4) through the rapping device (9) to produce vibration so as to make the dust adhered to the heated tube (4) fallen off due to the vibration. By applying the impact force to the rapping hammer and impacting the lower end of the heated tube through the rapping device, the dust adhered to the heated tube is fallen off due to the vibration.
Description
Technical field
The present invention relates to be used for clinker production line pure low-temperature cogeneration system field, more particularly, the present invention relates to the heat pipe suspended structure of the cement kiln tail waste heat boiler that a kind of afterheat generating system uses, and the invention still further relates to the rapping apparatus and the rapping method of this heat pipe suspended structure.
Background technology
Cement industry is that major power consumer also is the energy waste rich and influential family, and country continued macro adjustments and controls in nearly 2 years, the problem of having saved energy and reduce the cost and must finish into cement industry, and the cement kiln pure low-temperature cogeneration technology can solve this problem.In cement kiln pure low-temperature cogeneration technology field, the waste heat boiler design is a very crucial link, it not only is related to the organic efficiency of whole cement kiln waste-heat power generation system to the cement producing line waste heat, and is related to the operation that can afterheat generating system steady in a long-term.At present, in cement production process, by the waste gas that kiln tail preheater is discharged, grade is low, and flow is big, the dust content height (〉=80mg/Nm3), dust concentration is bigger in the waste gas, and the adhesiveness of dust is stronger.In order to reclaim this low-grade waste gas residual heat, be provided with the PH waste heat boiler at the kiln tail, owing to contain a large amount of dust in the waste heat waste gas, when waste gas carries out heat exchange by boiler, to hinder heat transmission attached to the surface of boiler heat-transfer pipe, make the heat exchange property of boiler reduce significantly, and make the flow resistance of waste gas in boiler increase, thereby power consumption is increased.At present in China's cement waste heat technology, most of kiln tail boilers adopt vertical boiler, vertical boiler ground heat pipe all adopts horizontally-arranged to arrange that this structure makes and causes boiler heat pipe heat exchange efficiency low by the easy dust stratification of heat pipe heat exchange pipe external surface after dust stratification is more easily.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of and can improve the boiler heat exchange efficiency, reduce the rapping apparatus of the cement kiln tail waste heat boiler heat pipe suspended structure of heat pipe dust stratification, the present invention also relates to the rapping method of this cement kiln tail waste heat boiler heat pipe suspended structure simultaneously.
The present invention is a kind of cement kiln tail waste heat boiler heat pipe suspended structure, comprise: waste heat boiler, heat pipe, preheater, boiler structure, rapping apparatus, sleeve pipe, the described heat pipe that is arranged on waste heat boiler inside is set to the structure vertical with boiler structure, and described rapping apparatus is arranged on the position near the heat pipe surface, and described vertically disposed heat pipe is fixed by the sleeve pipe that cooperates with its external diameter.
Described heat pipe is a tubular structure, is set to up and down reciprocatingly tortuous serpentine configuration, and its upper bend near boiler structure of heat pipe partly is suspended on the boiler structure.
Described up and down reciprocatingly tortuous heat pipe is arranged on same plane or is arranged on Different Plane, the trend of the boiler structure of suspension boiler heat pipe and the trend on heat pipe suspended end plane are consistent, parallel to each other between described each heat pipe that is arranged on waste heat boiler inside, and between the heat pipe of each tubulose apart from one another by.
The more than one bellmouth that increases gradually to external structure internally is set on the sleeve pipe of described fixedly heat pipe, the taper spacer pin of installation and its respective outer side edges in the bellmouth, spacer pin is set to the structure to the casing inner diameter extension.
The invention still further relates to a kind of rapping apparatus of cement kiln tail waste heat boiler heat pipe suspended structure, described rapping apparatus is arranged on from the position below the heat pipe medium position, and its best is provided with the lower end that the position is a heat pipe.
Described rapping apparatus comprises beater, the rapping apparatus holder, fixed axis, the below of described heat pipe lower end is provided with the connecting axle near the heat pipe lower end, the projection that interts in each heat pipe lower end is set on the connecting axle, described rapping apparatus holder is connected with the heat pipe lower end, extends to the position between per two projections; Described beater knocks on connecting axle.
Described connecting axle can be arranged on and extend the waste heat boiler body, beater rapping by machinery control and manpower control is being extended on the connecting axle of waste heat boiler, described rapping apparatus can be provided with at the flexure plane place of each heat pipe lower end, also can be provided with at the flexure plane place every a heat pipe lower end.
The present invention also relates to a kind of rapping method of cement kiln tail waste heat boiler heat pipe suspended structure, described rapping method is to adopt manual method or mechanical means, described beater is applied impulsive force, pass through rapping apparatus, the lower end of heat pipe is impacted and produced vibration, thereby the dust that sticks on the heat pipe is vibrated and come off.
Described rapping method is the vibratory impulse that the lower end sweep of described heat pipe is carried out horizontal direction by described rapping apparatus.
Described rapping method also can be the vibratory impulse that the middle part of the heat pipe of described tubular structure is carried out horizontal direction to the position between the lower end by described rapping apparatus.
The boiler heat pipe adopts suspended structure of the present invention, and the flow direction of waste gas is that level is passed through the heat pipe in the stove, and its beneficial effect that brings is mainly:
The one, can reduce the heat pipe dust stratification, service life of equipment prolongs; The 2nd, compare vertical boiler, can reduce the quantity of heat pipe rapping apparatus, reduce system's inleakage, heat exchange efficiency improves greatly; The 3rd, the maintenance workload of boiler obviously reduces.
Rapping apparatus of the present invention and rapping method apply impulsive force to described beater 8, by rapping apparatus 9, the lower end of heat pipe 4 is impacted and produced vibration, thereby the dust that sticks on the heat pipe 4 is vibrated and come off.
Description of drawings
Below expressed content of each width of cloth accompanying drawing in the specification of the present invention and the mark among the figure are briefly explained:
Fig. 1 is the integral arrangement schematic diagram of a kind of cement kiln tail waste heat boiler heat pipe of the present invention suspended structure;
Fig. 2 is a heat pipe suspended structure schematic diagram of the present invention;
Fig. 3 is sleeve pipe of the present invention and heat pipe syndeton schematic diagram;
Fig. 4 is the fixing structure for amplifying schematic diagram of heat-transfer surface of spacer pin on the sleeve pipe shown in Figure 3;
Fig. 5 is the structural representation of rapping apparatus of the present invention;
Be labeled as among the figure: 1, waste heat boiler; 2, positioning pipe; 3, positioning pipe; 4, heat pipe; 5, connecting axle; 6, preheater; 7, boiler structure; 8, beater; 9, rapping apparatus, 10, the rapping apparatus holder; 11, fixed axis; 12, fixing card; 13, jackshaft; 14, sleeve pipe; 15, projection; 16, spacer pin.
The specific embodiment
Contrast accompanying drawing below, by description, the effect of the mutual alignment between the shape of the specific embodiment of the present invention such as related each member, structure, the each several part and annexation, each several part and operation principle etc. are described in further detail embodiment.
As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, the present invention is a kind of cement kiln tail waste heat boiler heat pipe suspended structure, comprise: waste heat boiler 1, heat pipe 4, preheater 6, boiler structure 7, rapping apparatus 9, sleeve pipe 15, the described heat pipe 4 that is arranged on waste heat boiler 1 inside are set to the structure vertical with boiler structure 7, described rapping apparatus 9 is arranged on the position near heat pipe 4 surfaces, and described vertically disposed heat pipe 4 is fixing by the sleeve pipe 14 that cooperates with its external diameter.
Described heat pipe 4 is a tubular structure, is set to up and down reciprocatingly tortuous serpentine configuration, and heat pipe 4 its upper bend near boiler structure 7 partly are suspended on the boiler structure 7.
Described up and down reciprocatingly tortuous heat pipe 4 is arranged on same plane or is arranged on Different Plane, the trend of the boiler structure 7 of suspension boiler heat pipe 4 and the trend on heat pipe 4 suspended end planes are consistent, parallel to each other between described each heat pipe 4 that is arranged on waste heat boiler 1 inside, and separated by a distance mutually between the heat pipe 4 of each tubulose.
The more than one bellmouth that increases gradually to external structure internally is set on the sleeve pipe 14 of described fixedly heat pipe 4, the taper spacer pin 15 of installation and its respective outer side edges in the bellmouth, spacer pin 15 is set to the structure to the extension of sleeve pipe 14 internal diameters.
The invention still further relates to a kind of rapping apparatus of cement kiln tail waste heat boiler heat pipe suspended structure, described rapping apparatus 9 is arranged on from the position below heat pipe 4 medium positions, and its best is provided with the lower end that the position is a heat pipe 4.
Described rapping apparatus 9 comprises beater 8, rapping apparatus holder 10, fixed axis 11, the below of described heat pipe 4 lower ends is provided with the connecting axle 5 near heat pipe 4 lower ends, the projection 15 that interts in each heat pipe 4 lower ends is set on the connecting axle 5, described rapping apparatus holder 10 is connected with heat pipe 4 lower ends, extends to the position between per two projections 15; Described beater 8 knocks on connecting axle 5.
Described connecting axle 5 can be arranged on and extend waste heat boiler 1 body, beater 8 rappings of controlling by machinery control and manpower are on the connecting axle 5 that extends waste heat boiler 1, described rapping apparatus 9 can be provided with at the flexure plane place of each heat pipe 4 lower end, also can be provided with at the flexure plane place every heat pipe 4 lower ends.
The present invention also relates to a kind of rapping method of cement kiln tail waste heat boiler heat pipe suspended structure, described rapping method is to adopt manual method or mechanical means, described beater 8 is applied impulsive force, by rapping apparatus 9, the lower end of heat pipe 4 is impacted and produced vibration, thereby the dust that sticks on the heat pipe 4 is vibrated and come off.
Described rapping method is the vibratory impulse that carries out horizontal direction by the lower end sweep of 9 pairs of described heat pipes 4 of described rapping apparatus.
Described rapping method also can be the vibratory impulse that carries out horizontal direction by the middle part of the heat pipe 4 of 9 pairs of described tubular structures of described rapping apparatus to the position between the lower end.
Clinker production line kiln tail boiler adopts frame structure, and heat pipe 4 is hung vertically on the boiler structure 7 of boiler internal, and the exhaust gas entrance of boiler is followed successively by superheater to waste gas outlet, evaporimeter.
In conjunction with the accompanying drawings the present invention has been carried out exemplary description above; obviously the concrete realization of the present invention is not subjected to the restriction of above-mentioned concrete mode; as long as the various improvement of having adopted method design of the present invention and technical scheme to carry out; or without change design of the present invention and technical scheme directly applied to other occasions, all fall within the scope of protection of the present invention.
Claims (6)
1. the rapping apparatus of a cement kiln tail waste heat boiler heat pipe suspended structure, it is characterized in that: the rapping apparatus (9) of the rapping apparatus of described cement kiln tail waste heat boiler heat pipe suspended structure is arranged on from the position of heat pipe (4) below the medium position, and its best is provided with the lower end that the position is heat pipe (4).
2. the rapping apparatus of a kind of cement kiln tail waste heat boiler heat pipe suspended structure according to claim 1, it is characterized in that: described rapping apparatus (9) comprises beater (8), rapping apparatus holder (10), fixed axis (11), the below of described heat pipe (4) lower end is provided with the connecting axle (5) near heat pipe (4) lower end, the projection (15) that interts in each heat pipe (4) lower end is set on the connecting axle (5), described rapping apparatus holder (10) is connected with heat pipe (4) lower end, extends to the position between per two projections (15); Described beater (8) knocks on connecting axle (5).
3. the rapping apparatus of a kind of cement kiln tail waste heat boiler heat pipe suspended structure according to claim 1, it is characterized in that: described connecting axle (5) can be arranged on and extend waste heat boiler (1) body, beater (8) rapping of controlling by machinery control and manpower is on the connecting axle that extends waste heat boiler (1) (5), described rapping apparatus (9) can be provided with at the flexure plane place of each heat pipe (4) lower end, also can be provided with at the flexure plane place every a heat pipe (4) lower end.
4. the rapping method of a cement kiln tail waste heat boiler heat pipe suspended structure, it is characterized in that: described rapping method is to adopt manual method or mechanical means, described beater (8) is applied impulsive force, by rapping apparatus (9), the lower end of heat pipe (4) is impacted and produced vibration, thereby the dust that sticks on the heat pipe (4) is vibrated and come off.
5. the rapping method of a kind of cement kiln tail waste heat boiler heat pipe suspended structure according to claim 4 is characterized in that: described rapping method is the vibratory impulse that the lower end sweep of described heat pipe (4) is carried out horizontal direction by described rapping apparatus (9).
6. the rapping method of a kind of cement kiln tail waste heat boiler heat pipe suspended structure according to claim 4 is characterized in that: described rapping method also can be the vibratory impulse that the middle part of the heat pipe (4) of described tubular structure is carried out horizontal direction to the position between the lower end by described rapping apparatus (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211762A CN101858590A (en) | 2008-09-02 | 2008-09-02 | Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010211762A CN101858590A (en) | 2008-09-02 | 2008-09-02 | Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101963063A Division CN101509655B (en) | 2008-09-02 | 2008-09-02 | Cement kiln tail waste heat boiler heating tube suspension structure |
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| Publication Number | Publication Date |
|---|---|
| CN101858590A true CN101858590A (en) | 2010-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010211762A Pending CN101858590A (en) | 2008-09-02 | 2008-09-02 | Rapping device and rapping method for heated tube suspended structure of kiln tail waste heat boiler of cement kiln |
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| CN (1) | CN101858590A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256099A (en) * | 2018-11-30 | 2020-06-09 | 川崎重工业株式会社 | Waste heat recovery boiler |
-
2008
- 2008-09-02 CN CN201010211762A patent/CN101858590A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256099A (en) * | 2018-11-30 | 2020-06-09 | 川崎重工业株式会社 | Waste heat recovery boiler |
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Application publication date: 20101013 |