CN214333363U - Cement kiln tail exhaust-heat boiler ventilation beam sealing device - Google Patents
Cement kiln tail exhaust-heat boiler ventilation beam sealing device Download PDFInfo
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- CN214333363U CN214333363U CN202023231217.3U CN202023231217U CN214333363U CN 214333363 U CN214333363 U CN 214333363U CN 202023231217 U CN202023231217 U CN 202023231217U CN 214333363 U CN214333363 U CN 214333363U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The utility model discloses a sealing device for a cement kiln tail waste heat boiler ventilation beam, which is a sealing device for a furnace wall and a ventilation beam, wherein a stainless steel plate is welded into a hollow quadrangular frustum pyramid and then welded on the furnace wall and the ventilation beam, and an included angle between the bottom surface of the quadrangular frustum pyramid welded by the stainless steel plate and the furnace wall is 45 degrees; the included angle between the top surface of the quadrangular frustum pyramid welded by the stainless steel plates and the ventilation beam is 90 degrees; the vertex angle of the quadrangular frustum formed by welding the stainless steel plates is 135 degrees. The welding seam formed after welding between the stainless steel plates is a first welding seam, the welding seam formed after welding between the stainless steel plates and the furnace wall is a second welding seam, and the welding seam formed after welding between the stainless steel plates and the ventilation beam is a third welding seam. Compared with the prior art, the device effectively solves the problems that the ventilation beam of the waste heat boiler at the tail of the cement kiln is heated and then longitudinally stretches, so that the sealing performance is weakened after the welding line is torn, and the serious air leakage and material leakage are caused; reduce heat loss, reduce environmental pollution, prolong service life and reduce maintenance cost.
Description
Technical Field
The utility model relates to a cement clinker production line kiln tail exhaust-heat boiler sealing device technical field, concretely relates to cement kiln tail exhaust-heat boiler ventilation beam sealing device.
Background
The cement kiln waste heat boiler is a device which utilizes a rotary cement kiln to calcine and discharge waste gas below 380 ℃ to heat medium water and generate superheated steam to drive a steam turbine to generate electricity. The flue gas of the kiln-tail boiler transversely scours the superheater, the evaporator and the water heater tube bundle from top to bottom respectively, wherein the water heater tube bundle is fixed on the ventilation beam through a tube clamp, the ventilation beam is of a cuboid hollow structure formed by welding steel plates, and the ventilation beam is cooled through natural convection of the air passing through the hollow structure.
At present, an angle steel is adopted for welding and sealing between a ventilation beam and a furnace wall of a cement kiln tail waste heat boiler, the ventilation beam is longitudinally stretched after being heated, the situation of weld joint tearing frequently occurs in the running process of the waste heat boiler, the sealing capability is reduced, air leakage and material leakage are serious, heat loss and environmental pollution are caused, the service life is short, and the maintenance cost is high. Therefore, aiming at the current situation, the ventilation beam of the cement kiln tail waste heat boiler is urgently needed to be designed in a sealing mode so as to meet the requirement of practical use.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a cement kiln tail exhaust-heat boiler ventilation beam sealing device.
The technical scheme of the utility model as follows:
a kind of cement kiln tail exhaust-heat boiler ventilation beam sealing means, the apparatus is the sealing means used for furnace wall 2 and ventilation beam 3, weld into the hollow quadrangular frustum pyramid by the stainless steel plate 1 and then cover weld on said furnace wall 2 and ventilation beam 3, the included angle between furnace wall 2 and the quadrangular frustum pyramid bottom surface welded into of said stainless steel plate 1 is an angle of 45 degrees; the included angle between the top surface of the quadrangular frustum pyramid welded by the stainless steel plates 1 and the ventilation beam 3 is a 90-degree angle; the vertex angle of a quadrangular frustum welded by the stainless steel plate 1 is 135 degrees; a welding seam formed after welding among the stainless steel plates 1 is a first welding seam 4; a welding seam formed after the stainless steel plate 1 and the furnace wall 2 are welded is a welding seam II 5; and a welding seam formed after the stainless steel plate 1 and the ventilation beam 3 are welded is a welding seam III 6.
Further, the first welding line 4, the second welding line 5 and the third welding line 6 are welded in a full welding mode by adopting stainless steel welding rods.
Furthermore, the first welding seam 4, the second welding seam 5 and the third welding seam 6 are uniform in appearance and smooth in transition.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses a cement kiln tail exhaust-heat boiler ventilation beam sealing device, which effectively solves the problem that the cement kiln tail exhaust-heat boiler ventilation beam expands and contracts longitudinally after being heated, so that the sealing performance is weakened after the welding seam is torn, thereby causing serious air leakage and material leakage; reduce heat loss, reduce environmental pollution, prolong service life and reduce maintenance cost. To sum up, the utility model discloses simple structure, it is convenient to maintain, and the input cost is low, and is sealed respond well.
Drawings
FIG. 1 is a schematic view of the structure of the device of the present invention;
fig. 2 is a schematic side view of the device of the present invention.
In the figure: 1. a stainless steel plate; 2. a furnace wall; 3. a ventilation beam; 4. welding a first weld; 5. welding seams II; 6. and (7) welding a third welding seam.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only some embodiments, but not all embodiments of the present 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.
Example 1
Referring to the attached drawings 1-2, the utility model provides a cement kiln tail exhaust-heat boiler ventilation beam sealing device, which is a sealing device for a furnace wall 2 and a ventilation beam 3, wherein a stainless steel plate 1 is welded into a hollow quadrangular frustum pyramid and then sleeved and welded on the furnace wall 2 and the ventilation beam 3, and an included angle between the bottom surface of the quadrangular frustum pyramid welded by the stainless steel plate 1 and the furnace wall 2 is 45 degrees; the included angle between the top surface of the quadrangular frustum pyramid welded by the stainless steel plates 1 and the ventilation beam 3 is a 90-degree angle; the vertex angle of a quadrangular frustum formed by welding the stainless steel plates 1 is 135 degrees; wherein, the stainless steel plates 1 are fully welded by stainless steel welding rods at an angle of 135 degrees to form a welding seam I4 with uniform appearance and smooth transition; the stainless steel plate 1 and the furnace wall 2 are fully welded by a stainless steel welding rod at an angle of 45 degrees to form a welding seam II 5 with uniform appearance and smooth transition; and the stainless steel plate 1 and the ventilation beam 3 are fully welded by adopting a stainless steel welding rod at an angle of 90 degrees to form a welding seam III 6 with uniform appearance and smooth transition. The device adopts different angles to weld with ventilation beam 3, brickwork 2 through corrosion resistant plate, utilizes corrosion resistant plate good expansion coefficient under high temperature state, stops the welding seam and tears, has strengthened the deformation index is prevented to original structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A sealing device for a cement kiln tail waste heat boiler ventilation beam is characterized in that the device is a sealing device for a furnace wall (2) and a ventilation beam (3), a stainless steel plate (1) is welded into a hollow quadrangular frustum pyramid and then sleeved and welded on the furnace wall (2) and the ventilation beam (3), and an included angle between the bottom surface of the quadrangular frustum pyramid welded by the stainless steel plate (1) and the furnace wall (2) is 45 degrees; the included angle between the top surface of the quadrangular frustum pyramid welded by the stainless steel plates (1) and the ventilation beam (3) is 90 degrees; the vertex angle of a quadrangular frustum formed by welding the stainless steel plates (1) is 135 degrees; a welding seam formed after welding among the stainless steel plates (1) is a first welding seam (4); a welding seam formed after the stainless steel plate (1) and the furnace wall (2) are welded is a second welding seam (5); and a welding seam formed after the stainless steel plate (1) and the ventilation beam (3) are welded is a welding seam III (6).
2. The cement kiln tail waste heat boiler ventilation beam sealing device as claimed in claim 1, wherein the first welding line (4), the second welding line (5) and the third welding line (6) are fully welded by stainless steel welding rods.
3. The cement kiln tail waste heat boiler ventilation beam sealing device as claimed in claim 1 or 2, characterized in that the first welding line (4), the second welding line (5) and the third welding line (6) are uniform in shape and smooth in transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231217.3U CN214333363U (en) | 2020-12-29 | 2020-12-29 | Cement kiln tail exhaust-heat boiler ventilation beam sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023231217.3U CN214333363U (en) | 2020-12-29 | 2020-12-29 | Cement kiln tail exhaust-heat boiler ventilation beam sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214333363U true CN214333363U (en) | 2021-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023231217.3U Active CN214333363U (en) | 2020-12-29 | 2020-12-29 | Cement kiln tail exhaust-heat boiler ventilation beam sealing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214333363U (en) |
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2020
- 2020-12-29 CN CN202023231217.3U patent/CN214333363U/en active Active
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