CN113216560A - Stainless steel pipeline, forming method of stainless steel pipeline and residential stainless steel flue - Google Patents
Stainless steel pipeline, forming method of stainless steel pipeline and residential stainless steel flue Download PDFInfo
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- CN113216560A CN113216560A CN202010072797.1A CN202010072797A CN113216560A CN 113216560 A CN113216560 A CN 113216560A CN 202010072797 A CN202010072797 A CN 202010072797A CN 113216560 A CN113216560 A CN 113216560A
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- stainless steel
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored blank
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- Rigid Pipes And Flexible Pipes (AREA)
Abstract
The invention relates to a stainless steel pipeline, a forming method of the stainless steel pipeline and a residential stainless steel flue, and aims to solve the problem that a user has poor living experience in a residence. The stainless steel pipeline is installed in a building and used for discharging smoke, and comprises a pipeline body and reinforcing rib units, wherein the pipeline body is provided with a smoke flow channel, installation parts are arranged at two ends of the pipeline body, the reinforcing rib units are formed by outwards protruding side walls of the pipeline body, and/or the reinforcing rib units are formed by inwards sunken side walls of the pipeline body, the thickness of the pipeline body is less than or equal to 5mm, and the thickness of the reinforcing rib units is less than or equal to 20 mm.
Description
Technical Field
The invention relates to a stainless steel pipeline, a forming method of the stainless steel pipeline and a residential stainless steel flue.
Background
The existing part of the flue is made of metal, the flue made of metal has the advantages of reducing the occupied space of a building, pre-manufacturing and forming and shortening the construction period required by building construction, the flue made of metal comprises at least two sections of metal pipelines, adjacent metal pipelines are connected into a whole by welding, different exhaust valves are installed on the corresponding metal pipelines, the exhaust valves discharge the smoke exhausted by the range hood into the metal pipelines, and the metal pipelines discharge the smoke inside to the outside of the building through hoods at the top of the building. However, the existing metal pipes can make a sound during the process of discharging the smoke, which will seriously affect the living experience of the users in the house.
Disclosure of Invention
The invention aims to solve the problem of poor living experience of users in a house by providing a stainless steel pipeline, a forming method of the stainless steel pipeline and a stainless steel flue of the house.
In order to solve the above problems, the present invention provides the following technical solutions:
the stainless steel pipeline is installed in a building and used for discharging smoke, and comprises a pipeline body and reinforcing rib units, wherein the pipeline body is provided with a smoke flow channel, installation parts are arranged at two ends of the pipeline body, the reinforcing rib units are formed by outwards protruding side walls of the pipeline body, and/or the reinforcing rib units are formed by inwards sunken side walls of the pipeline body, the thickness of the pipeline body is less than or equal to 5mm, and the thickness of the reinforcing rib units is less than or equal to 20 mm.
According to the invention, the stainless steel pipeline comprises a pipeline body, the thickness of the pipeline body is not less than 0.8mm and not more than 5mm, and when the thickness of the pipeline body is not less than 0.8mm and not more than 5mm, the stainless steel pipeline cannot deform when being installed on a floor slab of a building through one or more of concrete, cement and adhesive. By the design, the stainless steel pipeline has enough deformation resistance under the premise of reducing the cost and the weight of the stainless steel pipeline.
In addition, when the thickness of the pipeline body is not less than 0.8mm and not more than 5mm, the stainless steel pipeline cannot resonate under the excitation of the flue gas in the process of discharging the flue gas.
The stainless steel pipeline also comprises a reinforcing rib unit, the reinforcing rib unit is arranged on the outer side wall of the pipeline body and/or the inner side wall of the pipeline body, the thickness of the reinforcing rib unit is larger than or equal to 0.8mm and smaller than or equal to 20mm, when the thickness of the reinforcing rib unit is larger than or equal to 0.8mm and smaller than or equal to 20mm, the vibration amplitude of the stainless steel pipeline in the exhaust process is weakened, and the vibration amplitude of the stainless steel pipeline in the exhaust process is weakened, so that a user is prevented from hearing the sound of the stainless steel pipeline in a house in the exhaust process. By the design, abnormal sound and noise of the stainless steel pipeline in the exhaust process are eliminated, so that the living experience of a user in a house is improved.
Through tests, when the thickness of the reinforcing rib unit is not less than 0.8mm and not more than 20mm and the stainless steel pipeline discharges smoke (in the test process, when the stainless steel pipeline discharges smoke, the average air discharge amount of a positive pressure system is 400 cubic meters per hour, and the average air discharge amount of a negative pressure system is 700 cubic meters per hour), a unitary metal coin can stand on the outer side wall of the stainless steel pipeline which is laterally placed, and water in the water cup only slightly shakes after the water cup is placed on the outer side wall of the stainless steel pipeline which is laterally placed.
Because the stainless steel pipeline is installed at the floor of the building through one or more of concrete, cement and adhesive, the reinforcing rib units are also used for changing the contact surface of the stainless steel pipeline and the floor so as to further increase the difficulty of the stainless steel pipeline moving in the horizontal direction relative to the floor.
Preferably, the reinforcing rib unit comprises at least one vertical rib, the vertical rib is arranged along the height direction of the pipeline body, and the height dimension of the vertical rib is more than or equal to one half of the height dimension of the pipeline body; or the reinforcing rib unit comprises at least one transverse rib, the transverse rib is arranged along the horizontal direction of the pipeline body, and the width dimension of the transverse rib is more than or equal to one half of the width dimension of the pipeline body; or the reinforcing rib unit comprises at least one inclined rib, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on the vertical surface is more than or equal to one half of the height dimension of the pipeline body. By the design, the reinforcing ribs in the single direction are arranged, so that the manufacturing difficulty and the manufacturing cost of the stainless steel pipeline are reduced, and the manufacturing time required by the stainless steel pipeline is shortened.
Preferably, the reinforcing rib unit comprises two or three of at least one vertical rib, at least one transverse rib and at least one inclined rib, the vertical rib is arranged along the height direction of the pipeline body, the height dimension of the vertical rib is more than or equal to one half of the height dimension of the pipeline body, the transverse rib is arranged along the horizontal direction of the pipeline body, the width dimension of the transverse rib is more than or equal to one half of the width dimension of the pipeline body, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on a vertical plane is more than or equal to one half of the height dimension of the pipeline body. So design through setting up the strengthening rib of two directions or three directions to the required strengthening rib quantity of realization reduction stainless steel pipeline.
Preferably, two or three of the at least one vertical rib, the at least one transverse rib and the at least one inclined rib are mutually intersected, and when two or three of the at least one vertical rib, the at least one transverse rib and the at least one inclined rib are mutually intersected, the vibration amplitude of the stainless steel pipeline in the exhaust process is further weakened; or two or three kinds of dislocation set in at least one perpendicular muscle, at least one horizontal muscle and at least one diagonal muscle, when two kinds or three kinds of dislocation set in at least one perpendicular muscle, at least one horizontal muscle and at least one diagonal muscle, the probability that the stainless steel pipeline takes place to leak the cigarette will be reduced.
Preferably, the lateral wall of pipeline body is equipped with the exhaust hole that is used for communicateing discharge valve, pipeline body lateral wall is located the week side in exhaust hole is equipped with the flange, and the flange provides the mounted position for discharge valve, the flange is including being used for laminating and sealed discharge valve's annular seal board, and annular seal board is used for eliminating the installation clearance between discharge valve and the stainless steel pipeline.
A forming method of the stainless steel pipeline according to any one of the above technical schemes comprises the following forming steps:
step one, forming the reinforcing rib unit by a stainless steel plate through stamping;
bending the stainless steel plate twice or more;
and step three, splicing the stainless steel plates in the step two end to form the pipeline body.
Preferably, the vertical bearing capacity of the pipeline body in the third step is more than or equal to 90 KN.
Preferably, the pipe body is formed by welding a stainless steel plate bent twice or more.
Preferably, the mounting portion is formed by flanging a stainless steel plate; or the end part of the pipeline body is flanged to form the mounting part.
The stainless steel flue for the house comprises at least two sections of smoke exhaust pipes, wherein each section of smoke exhaust pipe comprises a stainless steel pipeline, and the stainless steel pipeline is the stainless steel pipeline in any one of the technical schemes.
Preferably, the residential stainless steel flue further comprises an exhaust valve, and the stainless steel pipeline and the smoke exhaust pipe are connected into a whole in a clamping mode. So design makes things convenient for dismouting discharge valve to, discharge valve can not damage discharge valve self structure or stainless steel pipeline's structure at the dismouting in-process, when discharge valve can not damage discharge valve self structure or stainless steel pipeline's structure at the dismouting in-process, discharge valve will be can repetitious usage.
Preferably, the smoke exhaust pipe further comprises a non-metal pipeline sleeved outside the stainless steel pipeline, and the adjacent stainless steel pipelines and/or the adjacent non-metal pipelines are directly connected to enable the adjacent smoke exhaust pipes to be connected into a whole; or the adjacent stainless steel pipelines and/or the adjacent non-metal pipelines are indirectly connected, so that the adjacent smoke exhaust pipes are connected into a whole. By the design, the nonmetal pipeline is sleeved outside the stainless steel pipeline so as to omit the step of decorating the outer surface required by the stainless steel pipeline; in addition, the nonmetal pipeline is sleeved outside the stainless steel pipeline to achieve the effects of heat insulation and collision prevention.
Preferably, the outer side wall of at least one section of the smoke exhaust pipe is provided with a support bracket which is used for abutting against a floor slab and bearing the weight of the stainless steel flue of the house, and the support bracket is used for reducing the weight of the exhaust pipe required to be borne by the joint of the adjacent exhaust pipes so as to reduce the probability of deformation of the smoke exhaust pipe; the bottom end of the smoke exhaust pipe positioned at the lowest part is provided with a bottom bracket, the bottom bracket provides supporting force for the house stainless steel flue and improves the deformation resistance of the house stainless steel flue, the bottom bracket is provided with a hoisting part, when the bottom bracket is provided with the hoisting part, the house stainless steel flue can be hoisted and conveyed to the bottom of a building from top to bottom, and the length of the smoke exhaust pipe is generally the same as the height of a floor, namely the joint of the smoke exhaust pipe corresponds to the floor, so that after the adjacent smoke exhaust pipes are fixedly connected at the uppermost floor of the building, the smoke exhaust pipes are hoisted and conveyed to the bottom of the building through a crane.
Drawings
FIG. 1 is a perspective view of a stainless steel pipe in a preferred embodiment of the present invention;
FIG. 2 is a front view of a stainless steel pipe according to a preferred embodiment of the present invention (an enlarged broken-away view in the longitudinal direction of the stainless steel pipe);
FIG. 3 is a top view of a stainless steel conduit according to a preferred embodiment of the present invention;
fig. 4 is a sectional view taken at a-a in fig. 3 (an enlarged broken-away view in the longitudinal direction of the stainless steel pipe).
Detailed Description
The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.
Referring to fig. 1, 3 and 4, the stainless steel pipe, which is installed in a building and used for discharging flue gas, includes a pipe body 1 and a reinforcing rib unit 2, the pipe body 1 has a flue gas flow channel 10, both ends of the pipe body 1 are provided with installation parts 13, the thickness of the pipe body 1 is W1, 0.8mm or more and W1 or more and 5mm or less, the reinforcing rib unit 2 is formed by protruding the side wall of the pipe body 1, the thickness of the reinforcing rib unit 2 is W2, 0.8mm or more and W2 or more and 20mm or less. In other embodiments of the present invention, the bead unit is formed by inwardly recessing the sidewall of the pipe body; or, the reinforcing rib unit is formed by outwardly protruding sidewalls of the duct body, and the reinforcing rib unit is formed by inwardly recessing sidewalls of the duct body.
In this embodiment, the reinforcing rib unit 2 is formed by the pipeline body 1 protruding outward, and when the reinforcing rib unit 2 is formed by the pipeline body 1 protruding outward, the vertical bearing capacity of the pipeline body 1 is greater than or equal to 90 KN. In other embodiments of the present invention, the reinforcing rib unit is formed by recessing the pipe body, and when the reinforcing rib unit is formed by recessing the pipe body, the vertical bearing capacity of the pipe body is greater than or equal to 90 KN; the reinforcing rib unit is formed by the pipeline body evagination, and the reinforcing rib unit is formed by the pipeline body indent, and when the reinforcing rib unit is formed by the pipeline body evagination, and the reinforcing rib unit is formed by the pipeline body indent, the vertical bearing capacity of the pipeline body is greater than or equal to 90 KN.
The vertical bearing capacity of the existing pipeline body is about 50KN, and the national standard JG194-2018 stipulates that: the vertical bearing capacity of the exhaust pipe (referred to herein as a stainless steel pipe) should not be less than 90 KN. The national standard JG194-2018 stipulates that the vertical bearing capacity of the exhaust pipe is not less than 90KN and aims to prevent the inclination of the stainless steel flue of the house in the installation process and after the installation is finished, therefore, the invention realizes that the stainless steel pipeline meets the national standard by arranging the reinforcing rib unit 2 and setting W2 to be more than or equal to 0.8mm and less than or equal to 20 mm.
In the invention, the height range of the stainless steel pipeline is 2.7-3.6 m, and the stainless steel pipeline is detected by Zhejiang construction engineering quality inspection station Limited (detection report number: JG 2019-090-2): when the height ranges of the stainless steel pipelines are that W1 is more than or equal to 0.8mm and less than or equal to 5mm, W2 is more than or equal to 0.8mm and less than or equal to 20mm, and the height ranges of the stainless steel pipelines are between 2.7 and 3.6 meters, the vertical bearing capacity of the stainless steel pipelines of the three samples is 181kN, 238kN and 136 kN. By the design, the vertical bearing capacity of the stainless steel pipeline is further ensured to be larger than 90 kN.
Preferably, the reinforcing rib unit 2 of the present embodiment is a rib formed by stamping the pipe body outwards. In other embodiments of the present invention, the reinforcing rib unit is a rib welded to the outer side wall of the pipe body; or the reinforcing rib unit is a convex rib which is glued on the inner side wall of the pipeline body; or the reinforcing rib unit is a convex rib riveted on the outer side wall of the pipeline body; or the reinforcing rib units are convex ribs which are arranged on the outer side wall of the pipeline body and the inner side wall of the pipeline body through fasteners.
Referring to fig. 1 and 2, the reinforcing rib unit 2 includes at least one vertical rib 21 and at least one horizontal rib 22, the vertical rib 21 is disposed along the height direction of the pipeline body 1, the height dimension of the vertical rib 21 is H, H is greater than or equal to one half of the height dimension of the pipeline body 1, the horizontal rib 22 is disposed along the horizontal direction of the pipeline body 1, the width dimension of the horizontal rib 22 is L, and L is greater than or equal to one half of the width dimension of the pipeline body 1. In other embodiments of the present invention, the reinforcing rib unit includes at least one vertical rib, at least one horizontal rib and at least one diagonal rib, the vertical rib is disposed along the height direction of the pipeline body, the height dimension of the vertical rib is H, H is greater than or equal to one half of the height dimension of the pipeline body, the horizontal rib is disposed along the horizontal direction of the pipeline body, the width dimension of the horizontal rib is L, L is greater than or equal to one half of the width dimension of the pipeline body, the diagonal rib is disposed obliquely along the height direction of the pipeline body, and the projection of the diagonal rib on the vertical plane is greater than or equal to one half of the height dimension of the pipeline body; or the reinforcing rib unit comprises at least one vertical rib and at least one inclined rib, the vertical rib is arranged along the height direction of the pipeline body, the height dimension of the vertical rib is H which is more than or equal to one half of the height dimension of the pipeline body, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on the vertical surface is more than or equal to one half of the height dimension of the pipeline body; or the reinforcing rib unit comprises at least one transverse rib and at least one inclined rib, the transverse rib is arranged along the horizontal direction of the pipeline body, the width dimension of the transverse rib is L which is larger than or equal to one half of the width dimension of the pipeline body, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on the vertical surface is larger than or equal to one half of the height dimension of the pipeline body.
It should be noted that: as shown in fig. 2, the dimension of the pipe body 1 in the height dimension direction of the vertical ribs 21 is the height dimension of the pipe body 1, the dimension of the pipe body 1 in the width dimension direction of the horizontal ribs 22 is the width dimension of the pipe body 1, and when the cross section of the pipe body 1 in the horizontal direction is square, only one width dimension value of the pipe body 1 is provided; when the cross section of the pipeline body 1 in the horizontal direction is rectangular, the width size of the pipeline body 1 is two, and L is more than or equal to one half of the width size of the pipeline body (the smaller of the two width values of the pipeline body).
As shown in fig. 1, in the present embodiment, one vertical rib 21 is continuous in the height direction, and in other embodiments of the present invention, one vertical rib may be spaced in the height direction, that is, one vertical rib comprises multiple segments, and a spacing gap is formed between adjacent segments.
In the invention, the structure of each transverse rib and each inclined rib can refer to the structure of each vertical rib.
In the embodiment, the distance between the vertical rib 21 and the mounting portion 13 is less than or equal to 50 cm. So designed, the pipe body 1 is prevented from being insufficient in deformation resistance at the end thereof.
Because W2 is more than or equal to 0.8mm and less than or equal to 20mm, in order to avoid the fracture of the transition part between the reinforcing rib 21 and the pipeline body 1, the width of the vertical rib 21 is more than or equal to 5mm, the width of the transverse rib 22 is more than or equal to 5mm, and the width of the inclined rib is more than or equal to 5 mm. By the design, the situation of smoke leakage of the stainless steel pipeline is avoided.
As shown in fig. 1, preferably, at least one vertical rib 21 and at least one horizontal rib 22 intersect with each other, and the "at least one vertical rib 21 and at least one horizontal rib 22 intersect with each other" is formed by stamping a stainless steel plate with a die, and the rolling technique cannot achieve the intersection of at least one vertical rib 21 and at least one horizontal rib 22. In other embodiments of the present invention, at least one vertical rib and at least one diagonal rib meet each other; or at least one transverse rib and at least one inclined rib are mutually intersected; or at least one vertical rib, at least one transverse rib and at least one inclined rib are mutually intersected; or two or three of at least one vertical rib, at least one transverse rib and at least one inclined rib are arranged in a staggered manner.
In this embodiment, the lateral wall of pipeline body 1 is equipped with the exhaust hole that is used for communicateing discharge valve, and 1 lateral wall 11 of pipeline body is located the week side in exhaust hole and is equipped with the flange, and the flange provides the mounted position for discharge valve, and the flange is including being used for laminating and sealed discharge valve's annular seal board, and annular seal board is used for eliminating the installation clearance between discharge valve and the stainless steel pipeline.
This embodiment the flange includes connecting pipe and annular seal plate, and connecting pipe one end is located 1 lateral wall 11 of pipeline body and is located the week side in exhaust hole, and the annular seal plate is located the connecting pipe other end. In other embodiments of the present invention, the flange includes an annular fixing plate, a connecting pipe, and an annular sealing plate, the annular fixing plate is disposed on the outer side wall of the pipe body at the periphery of the exhaust hole, the annular fixing plate is further disposed at one end of the connecting pipe, and the annular sealing plate is disposed at the other end of the connecting pipe.
Referring to fig. 1, the two ends of the pipe body 1 are provided with mounting parts 13, the mounting parts 13 are annular mounting plates in this embodiment, and the connection mode of adjacent stainless steel pipes includes but is not limited to: the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by welding, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by riveting, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by screws, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by gluing, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by screwing, and the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by ring-shaped hoops.
In addition, in other embodiments of the present invention, the mounting portion may be an annular mounting groove, and when the mounting portion is an annular mounting groove, the flue gas flow channel preferably has an i-shaped structure; or the mounting part can also be a plurality of discontinuous mounting plates, and the mounting plates of adjacent stainless steel pipelines can be spliced into an annular plate and connected into a whole.
A method for forming a stainless steel pipe according to this embodiment includes the following steps:
firstly, a stainless steel plate is punched to form a reinforcing rib unit 2;
bending the stainless steel plate twice or more;
and step three, splicing the stainless steel plates in the step two end to form the pipeline body 1.
Because the stamping equipment and the bending equipment are all universal, common and standardized equipment, the pipeline body 1 can complete the first forming step and the second forming step of the stainless steel pipeline by means of the existing production field. By the design, the specification and the size of the pipeline body 1, the position of the reinforcing rib unit 2 and the specification and the size of the reinforcing rib unit 2 are accurately controlled. Preferably, the vertical bearing capacity of the pipeline body 1 in the third step is more than or equal to 90 KN.
In this embodiment, the stainless steel plate is stamped by a die to form the reinforcing rib unit 2, and the wall thickness of the stainless steel pipe at the reinforcing rib unit 2 is reduced to reduce the weight of the stainless steel pipe. By the design, the vertical bearing capacity required to be borne by the stainless steel pipeline is reduced by lightening the weight of the stainless steel pipeline. In other embodiments of the invention, the stainless steel plate is stamped by a punch to form the stiffener unit.
In the invention, the stainless steel plate which is bent twice or more than twice is welded to form the pipeline body 1, specifically: in this embodiment, bend the cubic corrosion resistant plate to make corrosion resistant plate form the pipeline body 1 that the cross section is the quadrangle after the welding, pipeline body 1 formed through the welding can the vestige of corrosion resistant plate end to end connection department, in addition, through its focus of the pipeline body 1 that the welding formed can not take place the skew. In other embodiments of the invention, the stainless steel plate bent twice or more can be welded to form a pipeline body with a triangular transverse rib area; or, the stainless steel plate which is bent twice or more can be welded to form a pipeline body with a pentagonal transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with the octagonal transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with a circular transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with an oval transverse rib area.
In another embodiment of the present invention, the stainless steel plates bent twice or more are connected to form the pipe body by a method other than welding, for example: the pipeline body is formed by connecting the stainless steel plates which are bent twice or more by gluing, the pipeline body is formed by connecting the stainless steel plates which are bent twice or more by fasteners, and the pipeline body is formed by riveting the stainless steel plates which are bent twice or more by riveting.
In this embodiment, in the first step or the second step, the stainless steel plate may be flanged to form the mounting portion 13; alternatively, the end of the pipe body 1 may be crimped to form the mounting portion 13 in step three.
The residential stainless steel flue comprises at least two sections of smoke discharge pipes, wherein each section of smoke discharge pipe comprises a stainless steel pipeline, and the stainless steel pipeline is the stainless steel pipeline in the embodiment.
In this embodiment, house stainless steel flue still includes discharge valve, and stainless steel pipeline links as an organic whole with the mode of centre gripping with the discharge flue, and is specific: the exhaust valve is provided with a clamping plate, and the annular sealing plate is clamped between the clamping plate and the exhaust valve; or the residential stainless steel flue also comprises a clamping mechanism, and the annular sealing plate is abutted against the exhaust valve and is clamped by the clamping mechanism; or the stainless steel pipeline is provided with a clamping plate, and the exhaust valve is clamped between the clamping plate and the annular sealing plate.
In this embodiment, the smoke exhaust pipe further comprises a non-metal pipeline sleeved outside the stainless steel pipeline, and adjacent stainless steel pipelines and/or adjacent non-metal pipelines are directly connected to enable adjacent smoke exhaust pipes to be connected into a whole; or, the adjacent stainless steel pipelines and/or the adjacent non-metal pipelines are indirectly connected, so that the adjacent smoke exhaust pipes are connected into a whole.
"adjacent stainless steel tubing and/or adjacent non-metallic tubing directly connected" includes but is not limited to: adjacent stainless steel pipeline buckle connection, adjacent non-metallic pipeline threaded connection, adjacent stainless steel pipeline are pegged graft each other and adjacent non-metallic pipeline is pegged graft each other. "adjacent stainless steel tubing and/or adjacent non-metallic tubing indirectly connected" includes but is not limited to: adjacent stainless steel pipeline passes through the welding of fusible solder, adjacent non-metallic pipe passes through glue and connects, adjacent stainless steel pipeline passes through rivet connection and adjacent non-metallic pipe passes through glue and connects, adjacent stainless steel pipeline passes through screw connection and adjacent non-metallic pipe passes through screw connection, adjacent stainless steel pipeline passes through the welding of fusible solder and adjacent non-metallic pipe passes through fixture and connects.
The outer side wall of at least one section of the smoke exhaust pipe is provided with a support bracket which is used for abutting against the floor slab and bearing the weight of the stainless steel flue of the house, when the smoke exhaust pipe comprises the stainless steel pipeline, one end of the support bracket is fixedly connected with the stainless steel pipeline in one or more modes of welding, screwing, riveting and gluing, and the other end of the support bracket is fixedly connected with the floor slab of the floor slab in one or more modes of welding, screwing, gluing and riveting; when the smoke exhaust pipe comprises a stainless steel pipeline and a nonmetal pipeline, one end of the support bracket is fixedly connected with the nonmetal pipeline in one or more modes of welding, screwing, riveting and gluing, and the other end of the support bracket is fixedly connected with a floor slab of a floor in one or more modes of welding, screwing, gluing and riveting.
The bottom end of the smoke exhaust pipe positioned at the lowest part is provided with a bottom bracket, the bottom bracket is provided with a hoisting part, the hoisting pile part can be one or more of a hoisting ring, a hoisting hook, a hoisting hole and a hoisting rod, and the crane hoists and lowers the smoke exhaust pipe from the top of the building to the bottom of the building through the hoisting pile part.
Example two
Stainless steel pipeline installs in the building and is used for discharging the flue gas, including pipeline body and strengthening rib unit, the pipeline body has flue gas runner, and the both ends of pipeline body are equipped with the installation department, and the thickness of pipeline body is W1, and 0.8mm is less than or equal to W1 and is less than or equal to 5mm, and the strengthening rib unit is outwards protruding by the lateral wall of pipeline body and forms, and the thickness of strengthening rib unit is W2, and 0.8mm is less than or equal to W2 and is less than or equal to 20 mm. In other embodiments of the present invention, the bead unit is formed by inwardly recessing the sidewall of the pipe body; or, the reinforcing rib unit is formed by outwardly protruding sidewalls of the duct body, and the reinforcing rib unit is formed by inwardly recessing sidewalls of the duct body.
In this embodiment, the reinforcing rib unit is formed by the pipeline body evagination, and when the reinforcing rib unit was formed by the pipeline body evagination, the vertical bearing capacity of pipeline body was more than or equal to 90 KN. In other embodiments of the present invention, the reinforcing rib unit is formed by recessing the pipe body, and when the reinforcing rib unit is formed by recessing the pipe body, the vertical bearing capacity of the pipe body is greater than or equal to 90 KN; the reinforcing rib unit is formed by the pipeline body evagination, and the reinforcing rib unit is formed by the pipeline body indent, and when the reinforcing rib unit is formed by the pipeline body evagination, and the reinforcing rib unit is formed by the pipeline body indent, the vertical bearing capacity of the pipeline body is greater than or equal to 90 KN.
The vertical bearing capacity of the existing pipeline body is about 50KN, and the national standard JG194-2018 stipulates that: the vertical bearing capacity of the exhaust pipe (referred to herein as a stainless steel pipe) should not be less than 90 KN. The national standard JG194-2018 stipulates that the vertical bearing capacity of the exhaust pipe is not less than 90KN and aims to prevent the inclination of the stainless steel flue of the house in the installation process and after the installation is finished, therefore, the invention realizes that the stainless steel pipeline meets the national standard by arranging the reinforcing rib units, wherein W2 is more than or equal to 0.8mm and less than or equal to 20 mm.
In the invention, the height range of the stainless steel pipeline is 2.7-3.6 m, and the stainless steel pipeline is detected by Zhejiang construction engineering quality inspection station Limited (detection report number: JG 2019-090-2): when the height ranges of the stainless steel pipelines are that W1 is more than or equal to 0.8mm and less than or equal to 5mm, W2 is more than or equal to 0.8mm and less than or equal to 20mm, and the height ranges of the stainless steel pipelines are between 2.7 and 3.6 meters, the vertical bearing capacity of the stainless steel pipelines of the three samples is 181kN, 238kN and 136 kN. The design ensures that the vertical bearing capacity of the stainless steel pipeline is greater than 90 kN.
Preferably, the reinforcing rib unit of the present embodiment is a rib formed by stamping the pipe body outwards. In other embodiments of the present invention, the reinforcing rib unit is a rib welded to the outer side wall of the pipe body; or the reinforcing rib unit is a convex rib which is glued on the inner side wall of the pipeline body; or the reinforcing rib unit is a convex rib riveted on the outer side wall of the pipeline body; or the reinforcing rib units are convex ribs which are arranged on the outer side wall of the pipeline body and the inner side wall of the pipeline body through fasteners.
The difference from the first embodiment is that: in the embodiment, the reinforcing rib unit comprises at least one vertical rib, the vertical rib is arranged along the height direction of the pipeline body, and the height dimension of the vertical rib is more than or equal to one half of the height dimension of the pipeline body; or the reinforcing rib unit comprises at least one transverse rib, the transverse rib is arranged along the horizontal direction of the pipeline body, and the width dimension of the transverse rib is more than or equal to one half of the width dimension of the pipeline body; or the reinforcing rib unit comprises at least one inclined rib, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on the vertical surface is more than or equal to one half of the height size of the pipeline body.
It should be noted that: the size of the pipeline body in the height dimension direction of the vertical ribs is the height dimension of the pipeline body, the size of the pipeline body in the width dimension direction of the transverse ribs is the width dimension of the pipeline body, and when the cross section of the pipeline body in the horizontal direction is square, only one width dimension value of the pipeline body is obtained; when the cross section of the pipeline body in the horizontal direction is rectangular, the width size of the pipeline body is two, and L is more than or equal to one half of the width size of the pipeline body (the smaller of the two width values of the pipeline body).
In the present embodiment, one vertical rib is continuous in the height direction, and in other embodiments of the present invention, one vertical rib may be arranged at intervals in the height direction, that is, one vertical rib includes multiple segments, and a gap is formed between adjacent segments.
In the invention, the structure of each transverse rib and each inclined rib can refer to the structure of each vertical rib.
In this embodiment, the distance between the vertical ribs and the mounting portion is less than or equal to 50 cm. So design, avoid the pipeline body not enough to appear in its tip resistance to deformation ability.
Because W2 is more than or equal to 0.8mm and less than or equal to 20mm, in order to avoid the fracture of the transition part of the reinforcing rib and the pipeline body, the width of the vertical rib is more than or equal to 5mm, the width of the transverse rib is more than or equal to 5mm, and the width of the inclined rib is more than or equal to 5 mm. By the design, the situation of smoke leakage of the stainless steel pipeline is avoided.
In this embodiment, the lateral wall of pipeline body is equipped with the exhaust hole that is used for communicateing discharge valve, and the week side that pipeline body lateral wall is located the exhaust hole is equipped with the flange, and the flange provides the mounted position for discharge valve, and the flange is including being used for laminating and sealed discharge valve's annular seal board, and annular seal board is used for eliminating the installation clearance between discharge valve and the stainless steel pipeline.
This embodiment the flange includes connecting pipe and annular seal plate, and the pipe side wall is located the week side in exhaust hole to the connecting pipe one end, and the connecting pipe other end is located to the annular seal plate. In other embodiments of the present invention, the flange includes an annular fixing plate, a connecting pipe, and an annular sealing plate, the annular fixing plate is disposed on the outer side wall of the pipe body at the periphery of the exhaust hole, the annular fixing plate is further disposed at one end of the connecting pipe, and the annular sealing plate is disposed at the other end of the connecting pipe.
In this embodiment, the both ends of pipeline body are equipped with the installation department, the installation department is annular mounting panel in this embodiment, and the connected mode of adjacent stainless steel pipeline includes but not limited to: the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by welding, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by riveting, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by screws, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by gluing, the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by screwing, and the ring-shaped mounting plates of adjacent stainless steel pipelines are connected into a whole by ring-shaped hoops.
In addition, in other embodiments of the present invention, the mounting portion may be an annular mounting groove, and when the mounting portion is an annular mounting groove, the flue gas flow channel preferably has an i-shaped structure; or the mounting part can also be a plurality of discontinuous mounting plates, and the mounting plates of adjacent stainless steel pipelines can be spliced into an annular plate and connected into a whole.
A method for forming a stainless steel pipe according to this embodiment includes the following steps:
step one, forming a reinforcing rib unit by a stainless steel plate through stamping;
bending the stainless steel plate twice or more;
and step three, splicing the stainless steel plates in the step two end to form a pipeline body.
Because the stamping equipment and the bending equipment are all universal, common and standardized equipment, the pipeline body can complete the first forming step and the second forming step of the stainless steel pipeline by means of the existing production field. By the design, the specification and size of the pipeline body, the position of the reinforcing rib unit and the specification and size of the reinforcing rib unit are accurately controlled. Preferably, the vertical bearing capacity of the pipeline body in the third step is more than or equal to 90 KN.
In this embodiment, the stainless steel plate is stamped by a die to form the reinforcing rib unit, and the wall thickness of the stainless steel pipeline at the reinforcing rib unit is reduced to reduce the weight of the stainless steel pipeline. By the design, the vertical bearing capacity required to be borne by the stainless steel pipeline is reduced by lightening the weight of the stainless steel pipeline. In other embodiments of the invention, the stainless steel plate is stamped by a punch to form the stiffener unit.
In the invention, the stainless steel plate which is bent twice or more than twice is welded to form a pipeline body, specifically: in this embodiment, bend cubic corrosion resistant plate to make corrosion resistant plate form the pipeline body that the cross section is the quadrangle after the welding, the pipeline body that forms through the welding can the trace of corrosion resistant plate end to end connection department, in addition, its focus through the pipeline body that the welding formed can not take place the skew. In other embodiments of the invention, the stainless steel plate bent twice or more can be welded to form a pipeline body with a triangular transverse rib area; or, the stainless steel plate which is bent twice or more can be welded to form a pipeline body with a pentagonal transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with the octagonal transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with a circular transverse rib area; or, the stainless steel plate bent twice or more can be welded to form a pipeline body with an oval transverse rib area.
In another embodiment of the present invention, the stainless steel plates bent twice or more are connected to form the pipe body by a method other than welding, for example: the pipeline body is formed by connecting the stainless steel plates which are bent twice or more by gluing, the pipeline body is formed by connecting the stainless steel plates which are bent twice or more by fasteners, and the pipeline body is formed by riveting the stainless steel plates which are bent twice or more by riveting.
In this embodiment, in the first step or the second step, the stainless steel plate may be flanged to form the mounting portion; alternatively, the pipe body end may be crimped to form the mounting portion in step three.
The residential stainless steel flue comprises at least two sections of smoke discharge pipes, wherein each section of smoke discharge pipe comprises a stainless steel pipeline, and the stainless steel pipeline is the stainless steel pipeline in the embodiment.
In this embodiment, house stainless steel flue still includes discharge valve, and stainless steel pipeline links as an organic whole with the mode of centre gripping with the discharge flue, and is specific: the exhaust valve is provided with a clamping plate, and the annular sealing plate is clamped between the clamping plate and the exhaust valve; or the residential stainless steel flue also comprises a clamping mechanism, and the annular sealing plate is abutted against the exhaust valve and is clamped by the clamping mechanism; or the stainless steel pipeline is provided with a clamping plate, and the exhaust valve is clamped between the clamping plate and the annular sealing plate.
In this embodiment, the smoke exhaust pipe further comprises a non-metal pipeline sleeved outside the stainless steel pipeline, and adjacent stainless steel pipelines and/or adjacent non-metal pipelines are directly connected to enable adjacent smoke exhaust pipes to be connected into a whole; or, the adjacent stainless steel pipelines and/or the adjacent non-metal pipelines are indirectly connected, so that the adjacent smoke exhaust pipes are connected into a whole.
"adjacent stainless steel tubing and/or adjacent non-metallic tubing directly connected" includes but is not limited to: adjacent stainless steel pipeline buckle connection, adjacent non-metallic pipeline threaded connection, adjacent stainless steel pipeline are pegged graft each other and adjacent non-metallic pipeline is pegged graft each other. "adjacent stainless steel tubing and/or adjacent non-metallic tubing indirectly connected" includes but is not limited to: adjacent stainless steel pipeline passes through the welding of fusible solder, adjacent non-metallic pipe passes through glue and connects, adjacent stainless steel pipeline passes through rivet connection and adjacent non-metallic pipe passes through glue and connects, adjacent stainless steel pipeline passes through screw connection and adjacent non-metallic pipe passes through screw connection, adjacent stainless steel pipeline passes through the welding of fusible solder and adjacent non-metallic pipe passes through fixture and connects.
The outer side wall of at least one section of the smoke exhaust pipe is provided with a support bracket which is used for abutting against the floor slab and bearing the weight of the stainless steel flue of the house, when the smoke exhaust pipe comprises the stainless steel pipeline, one end of the support bracket is fixedly connected with the stainless steel pipeline in one or more modes of welding, screwing, riveting and gluing, and the other end of the support bracket is fixedly connected with the floor slab of the floor slab in one or more modes of welding, screwing, gluing and riveting; when the smoke exhaust pipe comprises a stainless steel pipeline and a nonmetal pipeline, one end of the support bracket is fixedly connected with the nonmetal pipeline in one or more modes of welding, screwing, riveting and gluing, and the other end of the support bracket is fixedly connected with a floor slab of a floor in one or more modes of welding, screwing, gluing and riveting.
The bottom end of the smoke exhaust pipe positioned at the lowest part is provided with a bottom bracket, the bottom bracket is provided with a hoisting part, the hoisting pile part can be one or more of a hoisting ring, a hoisting hook, a hoisting hole and a hoisting rod, and the crane hoists and lowers the smoke exhaust pipe from the top of the building to the bottom of the building through the hoisting pile part.
While the present invention has been described with reference to the preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.
Claims (10)
1. The stainless steel pipeline is installed in a building and used for discharging smoke, and is characterized by comprising a pipeline body and reinforcing rib units, wherein the pipeline body is provided with a smoke flow channel, installation parts are arranged at two ends of the pipeline body, the reinforcing rib units are formed by outwards protruding side walls of the pipeline body, and/or the reinforcing rib units are formed by inwards sunken side walls of the pipeline body, the thickness of the pipeline body is less than or equal to 0.8mm, the thickness of the pipeline body is less than or equal to 5mm, and the thickness of the reinforcing rib units is less than or equal to 0.8mm, and the thickness of the reinforcing rib units is less than or equal to 20 mm.
2. The stainless steel pipeline according to claim 1, wherein the reinforcing rib unit comprises at least one vertical rib, the vertical rib is arranged along the height direction of the pipeline body, and the height dimension of the vertical rib is more than or equal to one half of the height dimension of the pipeline body; or the reinforcing rib unit comprises at least one transverse rib, the transverse rib is arranged along the horizontal direction of the pipeline body, and the width dimension of the transverse rib is more than or equal to one half of the width dimension of the pipeline body; or the reinforcing rib unit comprises at least one inclined rib, the inclined rib is obliquely arranged along the height direction of the pipeline body, and the projection of the inclined rib on the vertical surface is more than or equal to one half of the height dimension of the pipeline body.
3. The stainless steel pipeline according to claim 1, wherein the reinforcing rib unit comprises two or three of at least one vertical rib, at least one horizontal rib and at least one diagonal rib, the vertical rib is arranged along the height direction of the pipeline body, the height dimension of the vertical rib is more than or equal to one half of the height dimension of the pipeline body, the horizontal rib is arranged along the horizontal direction of the pipeline body, the width dimension of the horizontal rib is more than or equal to one half of the width dimension of the pipeline body, the diagonal rib is obliquely arranged along the height direction of the pipeline body, and the projection of the diagonal rib on a vertical plane is more than or equal to one half of the height dimension of the pipeline body.
4. The stainless steel pipeline according to claim 1, wherein the side wall of the pipeline body is provided with an exhaust hole for communicating with an exhaust valve, and the outer side wall of the pipeline body is provided with a flange on the periphery of the exhaust hole.
5. A method for forming a stainless steel pipe according to any one of claims 1 to 4, comprising the steps of:
step one, forming the reinforcing rib unit by a stainless steel plate through stamping;
bending the stainless steel plate twice or more;
and step three, splicing the stainless steel plates in the step two end to form the pipeline body.
6. The method for forming the stainless steel pipeline according to claim 5, wherein the vertical bearing capacity of the pipeline body in the third step is greater than or equal to 90 KN.
7. The method of forming a stainless steel pipe according to claim 5, wherein the pipe body is formed by welding the stainless steel plate bent twice or more.
8. The method of forming a stainless steel pipe according to claim 5, wherein the mounting portion is formed by crimping a stainless steel plate; or the end part of the pipeline body is flanged to form the mounting part.
9. A residential stainless steel flue comprising at least two sections of flue gas ducts, each section of flue gas duct comprising a stainless steel duct, wherein the stainless steel duct is according to any one of claims 1 to 5.
10. The residential stainless steel flue of claim 9 further comprising a vent valve, wherein the stainless steel duct is integrally connected to the smoke exhaust in a clamping manner.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010072797.1A CN113216560A (en) | 2020-01-21 | 2020-01-21 | Stainless steel pipeline, forming method of stainless steel pipeline and residential stainless steel flue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010072797.1A CN113216560A (en) | 2020-01-21 | 2020-01-21 | Stainless steel pipeline, forming method of stainless steel pipeline and residential stainless steel flue |
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| CN202010072797.1A Pending CN113216560A (en) | 2020-01-21 | 2020-01-21 | Stainless steel pipeline, forming method of stainless steel pipeline and residential stainless steel flue |
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| CN (1) | CN113216560A (en) |
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