Multi-section steel chimney

Abstract

The utility model provides a multi-section type steel chimney, belongs to the technical field of steel chimneys, and aims to solve the problem that according to an existing multi-section type steel chimney, impurities such as dust and bird droppings are prone to being accumulated in flange connection, and bolts and flanges are corroded. And bolt holes in the connecting flange are not convenient to align accurately. Comprising a steel chimney body. The mounting base is fixedly mounted at the bottom of the steel chimney main body; a plurality of groups of chimney pipe sections are arranged, and the plurality of groups of chimney pipe sections are arranged at the upper part of the mounting base; the rainproof cap is welded at the top of the steel chimney main body; the multiple sets of sealing sleeves are arranged, and the multiple sets of sealing sleeves are arranged on the outer side of the steel chimney body; the fireproof linings are fixedly mounted in the multiple groups of chimney pipe sections; the guide assembly is arranged on the outer side of the steel chimney main body; and the aligning assembly is arranged on the outer side of the steel chimney main body. The connecting structure has the advantages of being convenient to install, stable in connection, capable of reducing external influences and the like.

Description

TECHNICAL FIELD

[0001] The utility model belongs to steel chimney technical field, more specifically, especially relate to a multi -section steel chimney. BACKGROUND

[0002] With the rapid development of industrial modernization, people's environmental protection consciousness is enhanced unceasingly, and the requirement of industrial flue gas emission is increasingly strict. As the key facility of flue gas emission, the structure type of chimney is more and diversified with the change of use function, supporting equipment and site condition, wherein the multi -section steel chimney effectively solves the problems of traditional chimney in transportation, installation and cost through unique sectional design. The existing multi -section steel chimney is composed of multiple steel cylinder segments, and the steel cylinders are generally connected by welding or flange. The welding connection has high strength and good sealing property, and the flange connection is convenient for disassembly and maintenance.

[0003] The utility model discloses a steel chimney, its technical scheme main points are: including fixed seat, the top surface of fixed seat is equipped with fixed hole, the inner circular wall surface of fixed hole is fixedly connected with chimney body, filter component, filter component sets up in the outer circular wall surface of chimney body, is used for filtering the dust or harmful gas in waste gas, filter component includes first connecting plate, first connecting plate sets up in the outer circular wall surface of chimney body, reaches the effect of filtering the dust or harmful gas in waste gas under the mutual cooperation of the use of activated carbon particle filter screen, fixed hole, chimney body, driving motor, screw rod, limit strip, connecting ring, connecting block and thread ring, prevents the dust or harmful gas in waste gas from chimney body top directly discharging into atmosphere and causing the dust or harmful gas in waste gas to pollute the environment, is favorable to the use of chimney body.

[0004] Based on the above, the existing multi -section steel chimney is composed of multiple steel cylinder segments, mainly applied to external environment, used for efficient emission of industrial flue gas. In the connecting mode of each steel cylinder segment, flange connection is more common. However, when adopting flange connection, the connecting flange and bolt part are prone to accumulate dust, bird droppings and other impurities. These impurities will corrode the bolt and flange under the long-term action of natural environment, gradually erode the metal structure with the passage of time, which lays hidden dangers for the safe operation of the chimney and increases the safety risk. On the other hand, when carrying out the hoisting operation of multi -section steel cylinder, the bolt holes on the connecting flange are not convenient for accurate alignment, and the position of steel cylinder segment needs to be adjusted repeatedly to realize smooth butt joint installation. This process not only consumes time and effort, but also greatly affects the overall installation efficiency, increases the construction cost and time cost. UTILITY MODEL CONTENTS

[0005] In order to solve the above technical problems, the utility model provides a kind of multistage steel chimney, to solve the existing multistage steel chimney by multiple steel cylinder segments, mainly applied to external environment, for efficient emission industrial flue gas.In the connecting mode of each steel cylinder segment, flange connection is more common.However, when using flange connection, connecting flange and bolt position is extremely easy to accumulate dust, bird droppings and other impurities.These impurities under the action of long-term natural environment, can corrode bolt and flange, gradually erode metal structure with the lapse of time, lay hidden danger for the safe operation of chimney, increase the security risk.On the other hand, when carrying out the hoisting operation of multistage steel cylinder, since bolt hole on connecting flange is not convenient accurate alignment, need to repeatedly adjust the position of steel cylinder segment, to realize smooth butt joint installation.This process not only time-consuming and laborious, also greatly influence the overall installation efficiency, increase construction cost and time cost problem.

[0006] The purpose and effect of the multistage steel chimney are achieved by the following specific technical means:

[0007] A kind of multistage steel chimney, comprising steel chimney main body;

[0008] Mounting base, the mounting base is fixedly installed at steel chimney main body bottom;

[0009] Chimney pipe section, the chimney pipe section is provided with multiple groups, multiple groups of chimney pipe section are set on mounting base upper portion;

[0010] Rainproof cap, the rainproof cap is welded in steel chimney main body top;

[0011] Sealing sleeve, the sealing sleeve is provided with multiple groups, multiple groups of sealing sleeve are set on steel chimney main body outer side;

[0012] Fireproof lining, the fireproof lining is fixedly installed in multiple groups of chimney pipe section interior;

[0013] Guiding assembly, the guiding assembly is set on steel chimney main body outer side;

[0014] Alignment assembly, the alignment assembly is set on steel chimney main body outer side.

[0015] Further, the guiding assembly includes:

[0016] Upper connecting flange, the upper connecting flange is provided with multiple groups, multiple groups of upper connecting flange are fixedly connected in multiple groups of chimney pipe section top;

[0017] Lower connecting flange, the lower connecting flange is provided with multiple groups, multiple groups of lower connecting flange are fixedly connected in multiple groups of chimney pipe section bottom.

[0018] Further, the guiding assembly further includes:

[0019] Connecting bolt holes, the connecting bolt holes are provided with multiple groups, multiple connecting bolt holes are arranged in the upper connecting flange and the lower connecting flange;

[0020] Fixing bolts, the fixing bolts are provided with multiple groups, multiple fixing bolts are arranged in the connecting bolt holes.

[0021] Further, the guide assembly further includes:

[0022] Reinforcing fins, the reinforcing fins are provided with multiple groups, multiple reinforcing fins are fixedly installed on the outer sides of the upper connecting flange and the lower connecting flange, and multiple reinforcing fins are fixedly installed on the outer sides of the multiple chimney pipe sections;

[0023] Conical connecting barrels, the conical connecting barrels are provided with multiple groups, multiple conical connecting barrels are fixedly connected to the top of the multiple chimney pipe sections;

[0024] Conical grooves, the conical grooves are provided with multiple groups, multiple conical grooves are arranged at the bottom of the multiple chimney pipe sections.

[0025] Further, the alignment assembly includes:

[0026] Guide strips, the guide strips are provided with multiple groups, multiple guide strips are arranged in a circumferential array on the outer sides of the multiple conical connecting barrels, and the guide strips and the connecting bolt holes correspond to each other;

[0027] Guide grooves, the guide grooves are provided with multiple groups, multiple guide grooves are arranged in the multiple conical grooves, and the guide grooves and the guide strips are in position correspondence.

[0028] Further, the alignment assembly further includes:

[0029] Expansion joints, the expansion joints are provided with multiple groups, multiple expansion joints are arranged in the multiple chimney pipe sections;

[0030] Sealing rings, the sealing rings are provided with multiple groups, multiple sealing rings are fixedly installed on the top of the conical connecting barrels.

[0031] Further, the alignment assembly further includes:

[0032] Upper collars, the upper collars are slidably connected to the outer sides of the chimney pipe sections;

[0033] Lower collars, the lower collars are slidably connected to the outer sides of the chimney pipe sections, and the lower collars are threadedly connected to the inner sides of the upper collars.

[0034] Compared with the prior art, the utility model has the advantages of:

[0035] First, the utility model has guiding assembly, through the taper structure of taper connecting cylinder and taper groove, guiding when the butt joint of two chimney pipe sections, greatly improve the efficiency when the butt joint of two chimney pipe sections, and strengthen the structural strength and connection stability of connecting position.

[0036] Second, the utility model has alignment assembly, through the guide groove to the guide strip is guided, after the guide strip is clamped into the guide groove, the connecting bolt hole of upper connecting flange and lower connecting flane is opened in alignment, the fixing bolt is convenient to pass through installation, greatly improve the alignment efficiency of connecting bolt hole, reduce the number of chimney pipe section position repeatedly adjusting, and prevent the position misplacement of upper connecting flange and lower connecting flange in the installation process makes the staggered deviation of connecting bolt hole, greatly improve the chimney pipe section alignment installation efficiency.

[0037] The utility model has the advantages of convenient installation, stable connection, reducing external influence and the like, guiding when the butt joint of two chimney pipe sections, and convenient connecting bolt hole alignment, greatly improve the chimney pipe section alignment installation efficiency, and the sealing cover protects the connecting place, reduces the influence of external environment, prolongs the service life. BRIEF DESCRIPTION OF DRAWINGS

[0038] Figure 1 It is the main body structure schematic diagram of the utility model.

[0039] Figure 2 It is the chimney pipe section structure schematic diagram of the utility model.

[0040] Figure 3 It is the upper connecting flange structure schematic diagram of the utility model.

[0041] Figure 4 It is the lower connecting flange structure schematic diagram of the utility model.

[0042] Figure 5 It is the taper connecting cylinder structure schematic diagram of the utility model.

[0043] Figure 6 It is the sealing cover structure schematic diagram of the utility model.

[0044] In the drawing, the corresponding relation of component name and drawing number is as follows:

[0045] 1, steel chimney main body;2, chimney pipe section;201, upper connecting flange;2011, taper connecting cylinder;2012, guide strip;2013, sealing ring;202, lower connecting flange;2021, taper groove;2022, guide groove;2023, expansion joint;203, connecting bolt hole;204, reinforcing fin;3, mounting base;4, rainproof cap;5, sealing cover;501, upper sleeve ring;502, lower sleeve ring;6, fireproof lining;7, fixed bolt. DETAILED DESCRIPTION

[0046] The embodiments of the present application will be further described in conjunction with the drawings and examples. The following examples are used to illustrate the present application, but cannot be used to limit the scope of the present application.

[0047] Example one:

[0048] As shown in the accompanying Figure 1 to the accompanying Figure 6 As shown:

[0049] The utility model provides a multi -section steel chimney, including steel chimney main part 1;

[0050] Mounting base 3, mounting base 3 fixed mounting is at the bottom of steel chimney main part 1;

[0051] Chimney pipe section 2, chimney pipe section 2 is provided with multiple groups, and multiple groups of chimney pipe section 2 are arranged on the upper portion of mounting base 3;

[0052] Rainproof cap 4, rainproof cap 4 is welded in the top of steel chimney main part 1;

[0053] Sealing sleeve 5, sealing sleeve 5 is provided with multiple groups, and multiple groups of sealing sleeve 5 are arranged on the outside of steel chimney main part 1;

[0054] Fireproof lining 6, fireproof lining 6 is fixedly installed in the inside of multiple groups of chimney pipe section 2;

[0055] Guiding assembly, guiding assembly is arranged on the outside of steel chimney main part 1.

[0056] Among them, guiding assembly includes:

[0057] Upper connecting flange 201, upper connecting flange 201 is provided with multiple groups, and multiple groups of upper connecting flange 201 are fixedly connected in the top of multiple groups of chimney pipe section 2;

[0058] Lower connecting flange 202, lower connecting flange 202 is provided with multiple groups, and multiple groups of lower connecting flange 202 are fixedly connected in the bottom of multiple groups of chimney pipe section 2;The role is, through the upper connecting flange 201 of the top of a group of chimney pipe section 2 and the lower connecting flange 202 of another group of chimney pipe section 2 butt joint, the quick splicing effect of chimney pipe section 2 is played.

[0059] Among them, guiding assembly still includes:

[0060] Connecting bolt hole 203, connecting bolt hole 203 is provided with multiple groups, and multiple groups of connecting bolt hole 203 are arranged in the inside of upper connecting flange 201 and lower connecting flange 202;

[0061] The fixing bolts 7 are provided in multiple groups and arranged in the connecting bolt holes 203; when the upper and lower connecting flanges 201 and 202 are butted, the connecting bolt holes 203 are communicated and aligned, the fixing bolts 7 are passed through the connecting bolt holes 203 to fix the upper and lower connecting flanges 201 and 202.

[0062] The guiding assembly further comprises:

[0063] The reinforcing fins 204 are provided in multiple groups and fixedly installed on the outer sides of the upper and lower connecting flanges 201 and 202, and the reinforcing fins 204 are fixedly installed on the outer sides of the multiple chimney pipe sections 2.

[0064] The conical connecting barrels 2011 are provided in multiple groups and fixedly connected to the top of the multiple chimney pipe sections 2.

[0065] The conical grooves 2021 are provided in multiple groups and formed in the bottom of the multiple chimney pipe sections 2; the reinforcing fins 204 enhance the structural strength and stability of the connected chimney pipe sections 2; when two chimney pipe sections 2 are butted, the conical connecting barrel 2011 of one chimney pipe section 2 is inserted into the conical groove 2021 of the other chimney pipe section 2, the conical structure facilitates the guiding during the butting, facilitates the butting of the upper and lower connecting flanges 201 and 202, and enhances the structural strength and stability of the connection position.

[0066] The specific use mode and effect of the embodiment are as follows:

[0067] The multiple chimney pipe sections 2 are butted to form the steel chimney main body 1; when two chimney pipe sections 2 are butted, the conical connecting barrel 2011 of one chimney pipe section 2 is inserted into the conical groove 2021 of the other chimney pipe section 2, the conical structure facilitates the guiding during the butting, facilitates the butting of the upper and lower connecting flanges 201 and 202, and enhances the structural strength and stability of the connection position; when the upper and lower connecting flanges 201 and 202 are butted, the connecting bolt holes 203 are communicated and aligned, the fixing bolts 7 are passed through the connecting bolt holes 203 to fix the upper and lower connecting flanges 201 and 202, and the chimney pipe sections 2 are quickly connected together.

[0068] Embodiment two:

[0069] On the basis of the embodiment one, as shown in the accompanying drawings, further comprising: Figures 1 to 6

[0070] The alignment assembly is arranged on the outer side of the steel chimney main body 1. ​

[0071] Wherein, the alignment assembly comprises:

[0072] A guide strip 2012 is provided with a plurality of groups, and the plurality of groups of guide strips 2012 are circumferentially arranged outside the plurality of groups of tapered connecting barrels 2011. The guide strip 2012 and the connecting bolt hole 203 correspond to each other.

[0073] A guide groove 2022 is provided with a plurality of groups, and the plurality of groups of guide grooves 2022 are arranged inside the plurality of groups of tapered grooves 2021. The guide groove 2022 and the guide strip 2012 correspond in position. When the two groups of chimney pipe sections 2 are butt-jointed, the tapered connecting barrel 2011 of one group of chimney pipe sections 2 is inserted into the tapered groove 2021 of the other group of chimney pipe sections 2, thereby driving the guide strip 2012 to slide into the guide groove 2022. After the guide strip 2012 is clamped into the guide groove 2022, the connecting bolt holes 203 arranged on the upper connecting flange 201 and the lower connecting flange 202 are aligned, so that the fixing bolt 7 can be conveniently installed, and the position of the upper connecting flange 201 and the lower connecting flange 202 is prevented from being dislocated to cause the connecting bolt holes 203 to be staggered and deviated.

[0074] Wherein, the alignment assembly further comprises:

[0075] A expansion joint 2023 is provided with a plurality of groups, and the plurality of groups of expansion joints 2023 are arranged inside the plurality of groups of chimney pipe sections 2.

[0076] A sealing ring 2013 is provided with a plurality of groups, and the plurality of groups of sealing rings 2013 are fixedly installed on the top of the tapered connecting barrel 2011. The expansion joint 2023 is buffered after the deformation of the fireproof lining 6 caused by thermal expansion and contraction, so that the internal fireproof lining 6 is prevented from being damaged after the deformation caused by thermal expansion and contraction after the installation of the plurality of groups of chimney pipe sections 2. The sealing ring 2013 fills the expansion joint 2023 after the butt joint of the tapered connecting barrel 2011, thereby enhancing the sealing effect. The sealing ring 2013 is made of ceramic fiber and other materials, has high-temperature resistance, and has good flexibility and elasticity, and can adapt to the size change of the expansion joint 2023.

[0077] Wherein, the alignment assembly further comprises:

[0078] An upper sleeve 501 is slidingly connected to the outside of the chimney pipe section 2.

[0079] The lower sleeve 502 is slidably connected to the outer side of the chimney pipe section 2, and the lower sleeve 502 is threadedly connected to the inside of the upper sleeve 501. When the two groups of chimney pipe sections 2 are installed, the lower sleeve 502 is screwed into the inside of the upper sleeve 501 to form a sealing sleeve 5, thereby protecting the upper connecting flange 201, the lower connecting flange 202 and the fixing bolt 7 at the connection of the two groups of chimney pipe sections 2, reducing the influence of the external environment, and prolonging the service life.

[0080] The specific use and role of the embodiment are as follows:

[0081] When the two groups of chimney pipe sections 2 are connected, the conical connecting barrel 2011 of one group of chimney pipe sections 2 is inserted into the conical groove 2021 of the other group of chimney pipe sections 2, thereby driving the guide strip 2012 to slide into the guide groove 2022. When the guide strip 2012 is clamped into the guide groove 2022, the connecting bolt holes 203 formed in the upper connecting flange 201 and the lower connecting flange 202 are aligned, so that the fixing bolt 7 can pass through and be installed, and the position of the upper connecting flange 201 and the lower connecting flange 202 is prevented from being dislocated during installation, so that the connecting bolt holes 203 are staggered and deviated. The expansion joint 2023 buffers the deformation of the fireproof lining 6 caused by thermal expansion and contraction, so that the fireproof lining 6 inside the multiple groups of chimney pipe sections 2 is not damaged after installation due to thermal expansion and contraction. The sealing ring 2013 fills the expansion joint 2023 after the conical connecting barrel 2011 is connected, thereby enhancing the sealing effect. The sealing ring 2013 is made of ceramic fiber and has high temperature resistance, good flexibility and elasticity, and can adapt to the size change of the expansion joint 2023.

[0082] When the two groups of chimney pipe sections 2 are installed, the lower sleeve 502 is screwed into the inside of the upper sleeve 501 to form a sealing sleeve 5, thereby protecting the upper connecting flange 201, the lower connecting flange 202 and the fixing bolt 7 at the connection of the two groups of chimney pipe sections 2, reducing the influence of the external environment, and prolonging the service life.

[0083] In this paper, the following points need to be noted:

[0084] 1. The drawings of the embodiments of the present disclosure only involve the structures involved in the embodiments of the present disclosure, and other structures can be referred to the general design.

[0085] 2. In the case of no conflict, the embodiments of the present disclosure and the features in the embodiments can be combined to obtain new embodiments.

[0086] The above is only a specific embodiment of the present disclosure, but the protection scope of the present disclosure is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present disclosure, which should be covered within the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the protection scope of the claims.

Claims

1. A multi-section steel chimney, characterized by: The multi-section steel chimney comprises a steel chimney body (1), a mounting base (3) fixedly installed at the bottom of the steel chimney body (1), chimney pipe sections (2) provided in multiple groups and arranged at the upper portion of the mounting base (3), a rainproof cap (4) welded at the top of the steel chimney body (1), sealing sleeves (5) provided in multiple groups and arranged outside the steel chimney body (1), a fireproof lining (6) fixedly installed inside the multiple chimney pipe sections (2), a guiding assembly arranged outside the steel chimney body (1), and an alignment assembly arranged outside the steel chimney body (1).

2. A multi-section steel chimney as claimed in claim 1, characterized in that: The guiding assembly comprises upper connecting flanges (201) provided in multiple groups, the multiple upper connecting flanges (201) being fixedly connected to the top of the multiple chimney pipe sections (2), and lower connecting flanges (202) provided in multiple groups, the multiple lower connecting flanges (202) being fixedly connected to the bottom of the multiple chimney pipe sections (2).

3. A multi-section steel chimney as claimed in claim 2, characterized in that: The guiding assembly further comprises connecting bolt holes (203) provided in multiple groups, the multiple connecting bolt holes (203) being formed in the inside of the upper connecting flanges (201) and the lower connecting flanges (202), and fixing bolts (7) provided in multiple groups, the multiple fixing bolts (7) being arranged in the connecting bolt holes (203).

4. The multi-section steel chimney according to claim 1, characterized in that: The guiding assembly further comprises reinforcing fins (204) provided in multiple groups, the multiple reinforcing fins (204) being fixedly installed outside the upper connecting flanges (201) and the lower connecting flanges (202) and outside the multiple chimney pipe sections (2), conical connecting cylinders (2011) provided in multiple groups, the multiple conical connecting cylinders (2011) being fixedly connected to the top of the multiple chimney pipe sections (2), and conical grooves (2021) provided in multiple groups, the multiple conical grooves (2021) being formed at the bottom of the multiple chimney pipe sections (2).

5. The multi-section steel chimney according to claim 1, characterized in that: The alignment assembly comprises guide strips (2012) provided in multiple groups, the multiple guide strips (2012) being arranged in a circumferential array outside the multiple conical connecting cylinders (2011), and the guide strips (2012) and the connecting bolt holes (203) corresponding to each other, and guide grooves (2022) provided in multiple groups, the multiple guide grooves (2022) being formed in the inside of the multiple conical grooves (2021), and the guide grooves (2022) and the guide strips (2012) corresponding to each other in position.

6. A multi-section steel chimney as claimed in claim 5, characterized in that: The alignment assembly further comprises: a plurality of expansion joints (2023) and a plurality of sealing rings (2013), the plurality of expansion joints (2023) are arranged in the plurality of chimney pipe sections (2), and the plurality of sealing rings (2013) are arranged on the top of the conical connecting cylinder (2011).

7. A multi-section steel chimney according to claim 5, characterized in that: The alignment assembly further comprises: an upper sleeve ring (501) and a lower sleeve ring (502), the upper sleeve ring (501) is slidably connected to the outer side of the chimney pipe section (2), and the lower sleeve ring (502) is slidably connected to the outer side of the chimney pipe section (2) and is screwed into the upper sleeve ring (501).

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