CN114250948A - Prefabricated double-layer stainless steel chimney segment and chimney system - Google Patents
Prefabricated double-layer stainless steel chimney segment and chimney system Download PDFInfo
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- CN114250948A CN114250948A CN202111584015.3A CN202111584015A CN114250948A CN 114250948 A CN114250948 A CN 114250948A CN 202111584015 A CN202111584015 A CN 202111584015A CN 114250948 A CN114250948 A CN 114250948A
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- stainless steel
- layer stainless
- steel chimney
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
- E04F17/00—Vertical ducts; Channels, e.g. for drainage
- E04F17/02—Vertical ducts; Channels, e.g. for drainage for carrying away waste gases, e.g. flue gases; Building elements specially designed therefor, e.g. shaped bricks or sets thereof
- E04F17/026—Exterior cladding, e.g. of chimney parts extending above the roof; Rain covers for chimney tops without draught-inducing aspects
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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
- F23J13/00—Fittings for chimneys or flues
- F23J13/02—Linings; Jackets; Casings
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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
- F23J13/00—Fittings for chimneys or flues
- F23J13/04—Joints; Connections
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The embodiment of the invention discloses a prefabricated double-layer stainless steel chimney section and a chimney system, wherein the prefabricated double-layer stainless steel chimney section comprises an inner container and an outer container, the inner container is sleeved in the outer container, a heat insulation layer is formed between the inner container and the outer container, an annular rain-proof skirt is integrally formed on the outer wall of a pipe close to the bottom end of the outer container, the rain-proof skirt and the outer wall of the pipe of the outer container form an inverted V-shaped structure, the outer containers of two chimney sections which are adjacent to each other up and down are sleeved through waist plates, and the top ends of the waist plates are clamped in V-shaped openings of the rain-proof skirts of the chimney sections above. The chimney system comprises a parapet wall body of a high-rise building and a prefabricated double-layer stainless steel chimney installed along the parapet wall body, and the chimney is formed by a plurality of prefabricated double-layer stainless steel chimney sections which are sequentially connected in the vertical direction. The design of the rain-proof skirt with the inverted V-shaped structure is utilized, so that rainwater can only flow downwards along the outer wall of the rain-proof skirt with the inverted V-shaped structure, and the rainwater is prevented from entering the chimney heat-insulating layer from the chimney outer liner.
Description
Technical Field
The embodiment of the invention relates to the technical field of chimneys, in particular to a prefabricated double-layer stainless steel chimney section and a chimney system.
Background
At present, the chimney of installing in high-rise building is the double-deck stainless steel chimney of prefabricated formula, the double-deck stainless steel chimney of prefabricated formula divide into the inner bag from the structure, heat preservation and outer courage, interior inner bag is the stainless steel, and adopt multisection mounting means, the protection of heat preservation is directly carried out with the waist board to the junction between upper and lower section or front and back festival, but because its mode is simple protects the heat preservation, and the chimney of installing in high-rise building is mostly external (attaches the wall type installation), just so lead to whole chimney all directly to expose in the outside, rainwater day water can be along outer courage junction seepage to the heat preservation. And water enters the heat-insulating layer and is difficult to volatilize, so that the heat-insulating layer cannot play a role in heat insulation and also has the risk of increasing the dead weight.
Disclosure of Invention
Therefore, the embodiment of the invention provides a prefabricated double-layer stainless steel chimney section and a chimney system, which aim to solve the problem that rainwater is easy to leak to an insulating layer along the joint of an outer container of a double-layer stainless steel chimney in the prior art.
In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:
according to the first aspect of the embodiment of the invention, the prefabricated double-layer stainless steel chimney segment is applied to the wall-attached installation of a high-rise building and comprises an inner container and an outer container, wherein the inner container and the outer container are both of tubular structures with two open ends, and the inner container is sleeved in the outer container, so that a heat insulation gap is formed between the outer wall of the inner container and the inner wall of the outer container, a heat insulation material is filled in the heat insulation gap to form a heat insulation layer, an annular rain-proof skirt is integrally formed on the outer wall of the pipe close to the bottom end of the outer container along the circumferential direction of the outer container, so that the rain-proof skirt and the outer wall of the pipe of the outer container form an inverted V-shaped structure with a downward opening on the longitudinal section, wherein the outer containers of the upper and lower adjacent prefabricated double-layer stainless steel chimney sections are sleeved through waist plates, the waist plates are of tubular structures with openings at two ends, and the top end of the waist plate is clamped into a V-shaped opening of a rainproof skirt of the upper prefabricated double-layer stainless steel chimney section.
Further, between two prefabricated double-layer stainless steel chimney sections which are adjacent from top to bottom, the bottom end of the outer container of the upper prefabricated double-layer stainless steel chimney section is sleeved in the top end of the waist plate in a matching mode, the top end of the outer container of the lower prefabricated double-layer stainless steel chimney section is sleeved in the bottom end of the waist plate in a matching mode, the joint of the outer wall of the outer liner and the inner wall of the waist plate is reinforced through spot welding, and a heat insulation gap filled with heat insulation materials is formed between the inner wall of the waist plate and the outer wall of the inner container.
Further, the heat insulation material is aluminum silicate cotton, and the heat insulation material is filled between the two prefabricated double-layer stainless steel chimney sections which are adjacent to each other at the upper and lower sides when the chimney sections are installed in an attached wall mode, and a waist plate is installed to be plugged after the heat insulation material is filled.
Further, be equipped with the outer wall supporting legs in the heat preservation clearance between outer courage and the inner bag, the outside support of outer wall supporting legs is on the inner wall of outer courage, and the inboard of outer wall supporting legs supports on the outer wall of inner bag, wherein, the outer wall supporting legs is the loop configuration of cover establishing between outer courage and inner bag, and is equipped with the heat insulating mattress between the lateral wall of the inside wall of outer wall supporting legs and inner bag.
Furthermore, the top port of the liner is outwards turned outwards along the horizontal direction to form an expansion port flanging, the pipe wall of the liner close to the bottom end is outwards raised along the horizontal direction to form a U-shaped double flanging, so that a U-shaped opening of the double flanging faces towards the inside of the liner, wherein, between two prefabricated double-layer stainless steel chimney sections which are adjacent up and down, the upper surface of the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below is attached to the bottom side of the double flanging of the liner of the prefabricated double-layer stainless steel chimney section above, the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below and the double flanging of the liner of the prefabricated double-layer stainless steel chimney section above are connected and reinforced through a hoop, the hoop is in a U-shaped structure with an opening horizontally facing the outer wall of the liner pipe, so that the hoop is wrapped on the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below, and the outer side of the double flanging of the liner of the upper prefabricated double-layer stainless steel chimney section.
Furthermore, a high-temperature-resistant sealant is arranged between the upper prefabricated double-layer stainless steel chimney segment and the lower prefabricated double-layer stainless steel chimney segment, and the upper surface of the expansion flanging of the liner of the lower prefabricated double-layer stainless steel chimney segment is connected with the bottom side of the double flanging of the liner of the upper prefabricated double-layer stainless steel chimney segment through the high-temperature-resistant sealant.
Furthermore, the outer wall of the pipe, close to the two ends, of the outer container is uniformly provided with annular outer wall reinforcing ribs.
According to the second aspect of the embodiment of the invention, a chimney system adopts the prefabricated double-layer stainless steel chimney section of the embodiment, which comprises a parapet wall body of a high-rise building and a prefabricated double-layer stainless steel chimney arranged along the parapet wall body, wherein the prefabricated double-layer stainless steel chimney is composed of a plurality of prefabricated double-layer stainless steel chimney sections which are sequentially connected along the vertical direction, a set of bearing bracket is arranged at each floor slab on the parapet wall body, the bracket body of the bearing bracket far away from the parapet wall body is limited at the periphery of the prefabricated double-layer stainless steel chimney body, the top end of the prefabricated double-layer stainless steel chimney is provided with a rain-proof cap, the rain-proof cap is covered and arranged above the top pipe orifice of the prefabricated double-layer stainless steel chimney, a gap for smoke discharge is formed between the rain-proof cap and the lightning protection orifice of the prefabricated double-layer stainless steel chimney, and the top end of the rain-proof cap is provided with a device, the bottom of the prefabricated double-layer stainless steel chimney extends to the basement layer of the high-rise building along the smoke shaft way which is arranged on the ground, the bottom of the prefabricated double-layer stainless steel chimney is of a double-pipe-opening structure, one pipe opening at the bottom end of the prefabricated double-layer stainless steel chimney is connected with a horizontal smoke pipe in an external mode along the horizontal direction, and the other pipe opening at the bottom end of the prefabricated double-layer stainless steel chimney is connected with a pollution discharge device in an external mode along the vertical direction.
Further, the top of cigarette well is equipped with the well lid board of sealed cigarette well way top port in the top on ground, set up on the well lid and supply the cooperation of the double-deck stainless steel chimney bottom of prefabricated formula to extend to the opening on high-rise building's basement layer to rain-proof lid has been laid in the top of well lid board.
Furthermore, a corrugated compensator is arranged in the prefabricated double-layer stainless steel chimney and connected between the inner containers of two adjacent prefabricated double-layer stainless steel chimney sections, and the corrugated compensators are arranged at intervals of 20-25m along the length direction of the prefabricated double-layer stainless steel chimney, wherein the top end of the prefabricated double-layer stainless steel chimney is 1.5-2.5m higher than the top of the parapet wall body.
The embodiment of the invention has the following advantages: by arranging the prefabricated double-layer stainless steel chimney section comprising the liner, the outer liner and the heat-insulating layer, and integrally forming an annular rain-proof skirt on the outer wall of the tube close to the bottom end of the outer liner along the circumferential direction of the outer liner, the rain-proof skirt and the outer wall of the tube of the outer liner form an inverted V-shaped structure with a downward opening on the longitudinal section, and by utilizing the design of the rain-proof skirt with the inverted V-shaped structure, when the outer liners of two adjacent prefabricated double-layer stainless steel chimney sections are sleeved through the waist plate, the top end of the waist plate is clamped into the V-shaped opening of the rain-proof skirt of the prefabricated double-layer stainless steel chimney section above, so that rainwater can only flow downwards along the outer wall of the rain-proof skirt with the inverted V-shaped structure after the connection is finished, thereby fundamentally avoiding the rainwater from entering the chimney from the outer liner to the heat-insulating layer chimney and preventing the potential safety hazard caused by the increase of the dead weight of the heat-insulating cotton due to water inflow, meanwhile, the water leakage of the horizontal pipe of the chimney caused by the water inflow of the outer container is prevented, and the heat preservation layer cannot play a role in heat preservation caused by the water inflow of the heat preservation layer is prevented.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of an overall structure of a prefabricated double-layer stainless steel chimney section according to embodiment 1 of the present invention;
FIG. 2 is a schematic structural diagram of the connection between the adjacent outer bladders of a prefabricated double-layer stainless steel chimney section according to embodiment 1 of the present invention;
FIG. 3 is a schematic structural diagram of the connection between adjacent galleries of a prefabricated double-layer stainless steel chimney segment according to embodiment 1 of the present invention;
fig. 4 is a schematic view of an overall structure of a chimney system according to embodiment 2 of the present invention.
In the figure: 1. an inner container; 2. an outer liner; 3. a heat-insulating layer; 4. rain-proof skirt; 5. a waist panel; 6. the outer wall supports; 7. a heat insulating pad; 8. expanding and flanging; 9. double flanging; 10. hooping; 11. an outer wall reinforcing rib; 12. parapet wall bodies; 13. a prefabricated double-layer stainless steel chimney; 14. a load bearing support; 15. rain-proof caps; 16. a smoke channel; 17. a well cover plate; 18. a ripple compensator; 19. high-temperature resistant sealant; 20. a lightning protection device.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. 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.
Example 1
As shown in fig. 1 and 2, the embodiment of the present invention provides a prefabricated double-layer stainless steel chimney segment, which is applied to the wall-attached installation of a high-rise building. The prefabricated double-layer stainless steel chimney segment of the embodiment comprises an inner container 1 and an outer container 2. The inner container 1 and the outer container 2 are both of tubular structures with openings at two ends, and the inner container 1 is sleeved in the outer container 2, so that a heat insulation gap is formed between the outer wall of the inner container 1 and the inner wall of the outer container 2. The heat insulation gap is filled with heat insulation materials to form a heat insulation layer 3. On the outer wall of the pipe that outer courage 2 is close to the bottom, along outer courage 2's circumferencial direction integrated into one piece has annular rain-proof skirt 4, makes rain-proof skirt 4 and outer courage 2's outer wall of pipe constitute the longitudinal section and be the structure of "V" font of falling that the opening is down. Wherein, the outer gallbladders 2 of the upper prefabricated double-layer stainless steel chimney segment and the lower prefabricated double-layer stainless steel chimney segment are sleeved through waist plates 5, the waist plates 5 are of tubular structures with openings at two ends, and the top ends of the waist plates 5 are clamped into V-shaped openings of the rainproof skirts 4 of the upper prefabricated double-layer stainless steel chimney segment. Through the arrangement of the structure, rainwater can only flow downwards along the outer wall of the rain-proof skirt 4 with the inverted V-shaped structure, and then the rainwater is fundamentally prevented from entering the heat-insulating layer 3 of the chimney from the outer container 2 of the chimney.
As mentioned above, between the two prefabricated double-layer stainless steel chimney sections which are adjacent up and down, the bottom end of the outer container 2 of the prefabricated double-layer stainless steel chimney section at the upper part is sleeved in the top end of the waist plate 5 in a matching way, the top end of the outer container 2 of the prefabricated double-layer stainless steel chimney section at the lower part is sleeved in the bottom end of the waist plate 5 in a matching way, and the joint of the outer wall of the outer container 2 and the inner wall of the waist plate 5 is reinforced by spot welding. Wherein, a heat insulation gap filled with heat insulation material is also formed between the inner wall of the pipe of the waist plate 5 and the outer wall of the pipe of the inner container 2. Preferably, the heat insulation material is aluminum silicate cotton, and the heat insulation material is filled between the two prefabricated double-layer stainless steel chimney sections which are adjacent to each other at the upper and lower sides during wall-attached installation, and the waist plate 5 is installed for plugging after the heat insulation material is filled.
Furthermore, an outer wall supporting leg 6 is arranged in a heat preservation gap between the outer container 2 and the inner container 1. The outer sides of the outer wall supporting legs 6 are supported on the inner wall of the outer container 2, and the inner sides of the outer wall supporting legs 6 are supported on the outer wall of the inner container 1. Wherein, outer wall supporting legs 6 are the loop configuration of cover establishing between outer courage 2 and inner bag 1, utilize the setting of outer wall supporting legs 6, make its stable support between outer courage 2 and inner bag 1 to avoid arousing the concentrated stress of pipeline expend with heat and contract with cold because of the flue gas temperature, thereby improve its heat preservation effect. Preferably, be equipped with heat insulating mattress 7 between the inside wall of outer wall supporting legs 6 and the lateral wall of inner bag 1, utilize heat insulating mattress 7's setting, can avoid outer wall supporting legs 6 direct and inner bag 1 contact to prevent that outer wall supporting legs 6 from arousing expend with heat and contract with cold change because of the flue gas temperature in the inner bag 1.
Further, as shown in fig. 3, the top end of the inner container 1 is turned outwards along the horizontal direction to form an expanded flange 8, and the pipe wall of the inner container 1 near the bottom end is turned outwards along the horizontal direction to form a U-shaped double flange 9, so that the U-shaped opening of the double flange 9 faces the inside of the inner container 1. The upper surface of an expansion flanging 8 of the liner 1 of the lower prefabricated double-layer stainless steel chimney section is attached to the bottom side of a double flanging 9 of the liner 1 of the upper prefabricated double-layer stainless steel chimney section, and the expansion flanging 8 of the liner 1 of the lower prefabricated double-layer stainless steel chimney section and the double flanging 9 of the liner 1 of the upper prefabricated double-layer stainless steel chimney section are connected and reinforced through a hoop 10. The anchor ear 10 is in a U-shaped structure with an opening horizontally facing the outer wall of the tube of the liner 1, so that the anchor ear 10 is coated on the outer sides of the expansion flanging 8 of the liner 1 of the prefabricated double-layer stainless steel chimney section below and the double flanging 9 of the liner 1 of the prefabricated double-layer stainless steel chimney section above. Through the structure setting, through the flanging structure at two ends of the inner container 1, the hoop 10 is utilized to connect two adjacent inner containers 1 so as to strengthen the strength and the stability of connection between the two adjacent inner containers 1, and the concentrated stress of expansion with heat and contraction with cold caused by the smoke temperature at the joint of the two adjacent inner containers 1 is avoided, so that the condition that the joint of the adjacent inner containers 1 is broken is caused. Preferably, between the two prefabricated double-layer stainless steel chimney segments adjacent to each other at the upper part and the lower part, a high-temperature-resistant sealant 19 is arranged between the upper surface of the expansion flanging 8 of the liner 1 of the prefabricated double-layer stainless steel chimney segment at the lower part and the bottom side of the double flanging 9 of the liner 1 of the prefabricated double-layer stainless steel chimney segment at the upper part for connection, so that the sealing property in the liner 1 is ensured, and the high-temperature leakage of smoke is avoided.
Preferably, the outer wall of the outer container 2 near both ends is integrally formed with an annular outer wall reinforcing rib 11.
With this structure, the strength of the outer bag 2 can be improved. In addition, the following steps are optional:
1. the inner container 1 of the chimney is made of materials: SUS304 stainless steel or SUS316 stainless steel;
material thickness: the thickness of the liner 1 with the diameter of 300mm being less than or equal to that of the liner 1 with the diameter of 850mm is 1.2-1.5 mm.
The liner 1 with phi of 850mm or less and the liner 1 with phi of 1200mm or less is firstly used with the thickness of 1.5-2.0 mm.
2. The outer liner 2 material of the chimney: SUS304 stainless steel;
material thickness: the outer liner 2 with the diameter of 300mm or less and the diameter of 850mm or less is firstly used with the thickness of 1.0 mm.
The outer liner 2 with phi of 850mm or less and the inner liner of phi of 1200mm is firstly used with the thickness of 1.2 mm.
3. Thickness and material of the insulating layer 3 of the chimney: 50-100 mm aluminum silicate wool.
And the pipe blanks of the pipe bodies of the inner container 1 and the outer container 2 are suitable for adopting full penetration butt joint type longitudinal welding seams of automatic argon arc welding and adopting a welding process of single-side welding and double-side forming (without welding wires). The surface of the longitudinal welding line should have no cracks, pores, undercuts, butt joint misalignment and the like. The weld surface should be silvery white or golden. The surface of the cylinder body should not have the defects of cracks, welding spatters, obvious scratches, shrivelled pits, dents and the like. The rain-proof skirt 4 with the V-shaped structure is pressed out of a necking through a specially developed die by a spinning machine, then is pressed out of a V-shaped edge for molding, the temperature requirement is lubrication and cooling, and the molding is controlled by the rotating speed and the hydraulic pressure of the spinning machine.
Example 2
As shown in fig. 4, the embodiment of the present invention further provides a chimney system, which employs the prefabricated double-layer stainless steel chimney segment of embodiment 1. The chimney system of the embodiment comprises a parapet wall body 12 of a high-rise building and a prefabricated double-layer stainless steel chimney 13 arranged along the parapet wall body 2. The prefabricated double-layer stainless steel chimney 13 is formed by a plurality of prefabricated double-layer stainless steel chimney sections which are sequentially connected along the vertical direction, a set of bearing support 14 is installed at each floor on the parapet wall body 12, and the support body of the bearing support 14, which is far away from the parapet wall body 12, is limited around the pipe body of the prefabricated double-layer stainless steel chimney 13. The selection and installation mode of the bearing support 14 can refer to the installation mode of the traditional externally hung chimney, and is a conventional technical means of technicians in the field, and it should be noted that the bearing support 14 uses a floor slab, a cross beam, a wall body and a top plate as support as much as possible, and each bearing support 14 must not be in direct contact with the pipe body of the prefabricated double-layer stainless steel chimney 13. All prefabricated double-layer stainless steel chimneys 13 allow the corresponding displacement caused by the expansion and contraction of the chimney pipes without affecting the building structure. The structure of the bearing support 14 should satisfy the bearing requirement and the long-term service life requirement of the chimney, and the material of the bearing support 14 is preferably galvanized channel steel.
As described above, the rain hat 15 is installed on the top end of the prefabricated double-layer stainless steel chimney 13, and the rain hat 15 is covered and disposed above the top pipe opening of the prefabricated double-layer stainless steel chimney 13, so that a gap for discharging smoke is formed between the rain hat 15 and the top pipe opening of the prefabricated double-layer stainless steel chimney 13, and the lightning arrester 20 is installed on the top end of the rain hat 15. The bottom of the prefabricated double-layer stainless steel chimney 13 extends to the basement layer of the high-rise building along the smoke well 16 which is arranged on the ground, and the bottom of the prefabricated double-layer stainless steel chimney 13 is of a double-pipe-opening structure, so that one pipe opening at the bottom of the prefabricated double-layer stainless steel chimney 13 is connected with a horizontal smoke pipe in an external mode along the horizontal direction, and the other pipe opening at the bottom of the prefabricated double-layer stainless steel chimney 13 is connected with a pollution discharge device in an external mode along the vertical direction, and therefore sundries in the smoke well 16 can be conveniently removed. Wherein, the distance between the prefabricated double-layer stainless steel chimney 13 and the wall, the beam and the like is not less than 80mm, no inflammable substances are allowed around, and fire blocking pieces and partition plates are adopted when necessary. When the prefabricated double-layer stainless steel chimney 13 is installed in a chimney shaft of a building, the distance between the inner wall of the shaft and the chimney reaches at least 150mm, and a door for installation and maintenance is designed.
Further, a well cover plate 17 for sealing the top end of the smoke well 16 is arranged above the ground at the top end of the smoke well 16, and an opening for the bottom end of the prefabricated double-layer stainless steel chimney 13 to be matched and extend to the basement layer of the high-rise building is formed in the well cover plate 17. Preferably, a rain-proof structure is integrally formed on the smoke shaft 16 above the well cover plate 17, and the rain-proof structure can be a rain-proof skirt 4 structure selected from embodiment 1 to prevent rainwater from entering the smoke shaft 16.
Further, a corrugated compensator 18 is provided inside the prefabricated double-layer stainless steel chimney 13. The corrugated compensators 18 are telescopic pipes, are connected between the inner containers 1 of two adjacent prefabricated double-layer stainless steel chimney sections, and are provided with one corrugated compensator 18 every 20-25m along the length direction of the prefabricated double-layer stainless steel chimney 13. The arrangement of the corrugated compensator 18 is utilized to absorb the concentrated stress of the pipeline caused by expansion and contraction due to the temperature of the flue gas. Wherein, the top end of the prefabricated double-layer stainless steel chimney 13 is 1.5-2.5m higher than the top of the parapet wall body, and the height of a flashing platform of the flue 16 out of the ground is preferably 300mm, so as to prevent the accumulated water on the roof from flowing back into the flue 16. Note that, the outlet of the flue gas duct 16 is provided with fittings such as a flue damper valve, a flue explosion-proof valve, and a drain port depending on the number of devices.
In the embodiment of the invention, the prefabricated double-layer stainless steel chimney section comprising the liner 1, the outer liner 2 and the heat-insulating layer 3 is arranged, the annular rain-proof skirt 4 is integrally formed on the outer wall of the pipe close to the bottom end of the outer liner 2 along the circumferential direction of the outer liner 2, so that the rain-proof skirt 4 and the outer wall of the pipe of the outer liner 2 form an inverted V-shaped structure with a downward opening on the longitudinal section, the design of the rain-proof skirt 4 in the inverted V-shaped structure is utilized, when the outer liners 2 of the two adjacent prefabricated double-layer stainless steel chimney sections are sleeved through the waist plate 5, the top end of the waist plate 5 is clamped into the V-shaped opening of the rain-proof skirt 4 of the prefabricated double-layer stainless steel chimney section above, therefore, rainwater can only flow downwards along the outer wall of the rain-proof skirt 4 in the inverted V-shaped structure after connection is finished, further, the rainwater is fundamentally prevented from entering the chimney 3 from the outer liner 2, and the potential safety hazard caused by the increase of the dead weight of the heat-insulating cotton due to water entering the chimney is prevented, meanwhile, the water leakage of the horizontal pipe of the chimney caused by the water inflow of the outer container 2 is prevented, and the heat preservation layer 3 cannot play a role in heat preservation caused by the water inflow of the heat preservation layer 3 is prevented.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. The utility model provides a prefabricated formula double-deck stainless steel chimney section, is applied to high-rise building's attaches wall type installation which characterized in that: the prefabricated double-layer stainless steel chimney section comprises an inner container and an outer container, the inner container and the outer container are both of a tubular structure with two open ends, the inner container is sleeved in the outer container, a heat insulation gap is formed between the outer wall of the inner container and the inner wall of the outer container, heat insulation materials are filled in the heat insulation gap to form a heat insulation layer, an annular rain-proof skirt is integrally formed on the outer wall, close to the bottom end, of the outer container along the circumferential direction of the outer container, the rain-proof skirt and the outer wall of the outer container form an inverted V-shaped structure with a downward opening in the longitudinal section, the outer containers of the upper prefabricated double-layer stainless steel chimney section and the lower prefabricated double-layer stainless steel chimney section are sleeved through a waist board, the waist board is of a tubular structure with two open ends, and the top end of the waist board is clamped into the V-shaped opening of the skirt of the prefabricated double-layer stainless steel chimney section above.
2. The prefabricated double-layer stainless steel chimney segment as claimed in claim 1, wherein: between two prefabricated double-layer stainless steel chimney sections which are adjacent from top to bottom, the bottom end of an outer container of the upper prefabricated double-layer stainless steel chimney section is sleeved in the top end of the waist plate in a matching mode, the top end of an outer container of the lower prefabricated double-layer stainless steel chimney section is sleeved in the bottom end of the waist plate in a matching mode, and the joint of the outer wall of the outer liner and the inner wall of the waist plate is reinforced through spot welding, wherein a heat insulation gap filled with a heat insulation material is formed between the inner wall of the waist plate and the outer wall of the inner container.
3. A prefabricated double-layer stainless steel chimney section according to claim 1 or 2, characterized in that: the heat insulation material is aluminum silicate cotton, and the heat insulation material is filled between the two prefabricated double-layer stainless steel chimney sections which are adjacent up and down, and the waist plate is installed for plugging after the heat insulation material is filled.
4. The prefabricated double-layer stainless steel chimney segment as claimed in claim 1, wherein: the heat preservation device is characterized in that outer wall supporting legs are arranged in heat preservation gaps between the outer container and the inner container, the outer sides of the outer wall supporting legs are supported on the inner wall of the outer container, the inner sides of the outer wall supporting legs are supported on the outer wall of the inner container, the outer wall supporting legs are of annular structures sleeved between the outer container and the inner container, and heat insulation pads are arranged between the inner side walls of the outer wall supporting legs and the outer side walls of the inner container.
5. The prefabricated double-layer stainless steel chimney segment as claimed in claim 1, wherein: the top port of the liner is outwards turned outwards along the horizontal direction to form an expansion port flanging, the pipe wall of the liner close to the bottom end is outwards raised along the horizontal direction to form a U-shaped double flanging, so that a U-shaped opening of the double flanging faces to the inside of the liner, wherein, between two prefabricated double-layer stainless steel chimney sections which are adjacent up and down, the upper surface of the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below is attached to the bottom side of the double flanging of the liner of the prefabricated double-layer stainless steel chimney section above, the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below and the double flanging of the liner of the prefabricated double-layer stainless steel chimney section above are connected and reinforced through a hoop, the hoop is in a U-shaped structure with an opening horizontally facing to the outer wall of the liner pipe, so that the hoop wraps the expansion port flanging of the liner of the prefabricated double-layer stainless steel chimney section below, and the outer side of the double flanging of the liner of the upper prefabricated double-layer stainless steel chimney section.
6. The prefabricated double-layer stainless steel chimney segment as claimed in claim 5, wherein: and high-temperature-resistant sealant is arranged between the upper prefabricated double-layer stainless steel chimney segment and the lower prefabricated double-layer stainless steel chimney segment, and the upper surface of the expansion flanging of the liner of the lower prefabricated double-layer stainless steel chimney segment is connected with the bottom side of the double flanging of the liner of the upper prefabricated double-layer stainless steel chimney segment by the high-temperature-resistant sealant.
7. The prefabricated double-layer stainless steel chimney segment as claimed in claim 1, wherein: the outer wall of the pipe, close to the two ends, of the outer container is uniformly provided with annular outer wall reinforcing ribs.
8. A chimney system using a prefabricated double-layer stainless steel chimney section according to any one of claims 1 to 7, characterized in that: the chimney system comprises a parapet wall body of a high-rise building and a prefabricated double-layer stainless steel chimney installed along the parapet wall body, the prefabricated double-layer stainless steel chimney is formed by a plurality of prefabricated double-layer stainless steel chimney sections which are sequentially connected along the vertical direction, a set of bearing support is installed at each floor on the parapet wall body, a support body of the bearing support, which is far away from the parapet wall body, is limited around a prefabricated double-layer stainless steel chimney body, a rain-proof cap is installed at the top end of the prefabricated double-layer stainless steel chimney, the rain-proof cap covers and is arranged above a top pipe opening of the prefabricated double-layer stainless steel chimney, a gap for discharging smoke is formed between the rain-proof cap and the top pipe opening of the prefabricated double-layer stainless steel chimney, a lightning arrester is installed at the top end of the rain-proof cap, and the bottom end of the prefabricated double-layer stainless steel chimney extends to a basement layer of the high-rise building along a smoke shaft passage which is arranged on the ground, and the bottom end of the prefabricated double-layer stainless steel chimney is of a double-pipe-opening structure, so that one pipe opening at the bottom end of the prefabricated double-layer stainless steel chimney is externally connected with a horizontal smoke pipe along the horizontal direction, and the other pipe opening at the bottom end of the prefabricated double-layer stainless steel chimney is externally connected with a pollution discharge device along the vertical direction.
9. A chimney system according to claim 8, characterised in that: the top of cigarette well is equipped with the well lid board of sealed cigarette well way top port in the top on ground, set up on the well lid and supply the opening that the cooperation of the double-deck stainless steel chimney bottom of prefabricated formula extended to high-rise building's basement layer to rain-proof lid has been laid in the top of well lid board.
10. A chimney system according to claim 8, characterised in that: the prefabricated double-layer stainless steel chimney is characterized in that corrugated compensators are arranged inside the prefabricated double-layer stainless steel chimney and connected between the inner containers of two adjacent prefabricated double-layer stainless steel chimney sections, and the corrugated compensators are arranged at intervals of 20-25m along the length direction of the prefabricated double-layer stainless steel chimney, wherein the top end of the prefabricated double-layer stainless steel chimney is 1.5-2.5m higher than the top of the parapet wall body.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111584015.3A CN114250948A (en) | 2021-12-22 | 2021-12-22 | Prefabricated double-layer stainless steel chimney segment and chimney system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111584015.3A CN114250948A (en) | 2021-12-22 | 2021-12-22 | Prefabricated double-layer stainless steel chimney segment and chimney system |
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| CN114250948A true CN114250948A (en) | 2022-03-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694122Y (en) * | 2004-02-26 | 2005-04-20 | 王六灿 | Connecting device for prefabricated double layered stainless steel chimney |
| CN204227440U (en) * | 2014-11-17 | 2015-03-25 | 苏州迅晟环境工程设备有限公司 | Double-layer stainless steel chimney |
| CN204268499U (en) * | 2014-07-14 | 2015-04-15 | 射洪县凤来镇凤康养鸡专业合作社 | A kind of prefabricated stainless steel chimney systems |
| CN207279670U (en) * | 2017-09-13 | 2018-04-27 | 苏州戴斯维森金属制品有限公司 | A kind of chimney elbow |
| EP3450654A1 (en) * | 2017-08-28 | 2019-03-06 | Schiedel GmbH | Self-cooling component |
| CN214745848U (en) * | 2021-02-02 | 2021-11-16 | 河北优沃工程建设有限公司 | Prefabricated double-deck stainless steel heat preservation chimney socket joint barrel of formula |
-
2021
- 2021-12-22 CN CN202111584015.3A patent/CN114250948A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2694122Y (en) * | 2004-02-26 | 2005-04-20 | 王六灿 | Connecting device for prefabricated double layered stainless steel chimney |
| CN204268499U (en) * | 2014-07-14 | 2015-04-15 | 射洪县凤来镇凤康养鸡专业合作社 | A kind of prefabricated stainless steel chimney systems |
| CN204227440U (en) * | 2014-11-17 | 2015-03-25 | 苏州迅晟环境工程设备有限公司 | Double-layer stainless steel chimney |
| EP3450654A1 (en) * | 2017-08-28 | 2019-03-06 | Schiedel GmbH | Self-cooling component |
| CN207279670U (en) * | 2017-09-13 | 2018-04-27 | 苏州戴斯维森金属制品有限公司 | A kind of chimney elbow |
| CN214745848U (en) * | 2021-02-02 | 2021-11-16 | 河北优沃工程建设有限公司 | Prefabricated double-deck stainless steel heat preservation chimney socket joint barrel of formula |
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