CN112879655B - Installation method for fire damper of parallel air pipe - Google Patents
Installation method for fire damper of parallel air pipe Download PDFInfo
- Publication number
- CN112879655B CN112879655B CN202011557444.7A CN202011557444A CN112879655B CN 112879655 B CN112879655 B CN 112879655B CN 202011557444 A CN202011557444 A CN 202011557444A CN 112879655 B CN112879655 B CN 112879655B
- Authority
- CN
- China
- Prior art keywords
- fire damper
- installation
- positioning tool
- combined module
- module positioning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Air-Flow Control Members (AREA)
Abstract
The invention discloses an installation method for a fire damper of a parallel air pipe, which comprises the steps of constructing a combined module positioning tool with the same size as the appearance installation size of the fire damper through the combination of a PVC pipe and a screw rod, when the fire damper is installed, firstly installing a portable combined module positioning tool, positioning the installation position of the fire damper, fixing and limiting the air pipes at two ends of the fire damper according to the installation position of the combined module positioning tool, then installing a limiting support hanger according to the position of the combined module positioning tool, then dismantling the combined module positioning tool, hoisting the fire damper to the installation position of the combined module positioning tool, finally fastening through bolts to complete installation, greatly improving the rapidness of hoisting and positioning the fire damper due to the fact that the appearance installation size of the combined module positioning tool is the same as that of the fire damper, and greatly ensuring the accuracy of the assembly butt joint installation position of the combined module positioning tool and the air pipes at two sides, the accuracy of fire prevention valve installation is promoted, the quality of fire prevention valve installation is guaranteed.
Description
Technical Field
The invention relates to the technical field of industrial equipment installation, in particular to an installation method for a fire damper of a parallel air pipe.
Background
The fire damper is installed at the smoke outlet, the partition of the fire-proof and smoke-proof partition of the air pipe and the wall of the air pipe of the smoke exhaust machine room, and is closed when the temperature of the smoke in the air pipe reaches 280 ℃, so that the fire can be prevented from spreading, and the fire safety can be ensured. The fire prevention valve is at the in-process of installation, need with the corresponding butt joint of tuber pipe, the fixed spacing of its mounted position is more difficult, causes the fire prevention valve installation comparatively difficult, simultaneously, the sealed demand of fire prevention is guaranteed to the installation of fire prevention valve need higher precision, consequently, just needs technical staff in the field to design the mounting method of tuber pipe fire prevention valve.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the installation method for the fire damper of the parallel air pipe is provided, and the installation convenience and the installation quality of the fire damper of the parallel air pipe are improved.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
s1: a PVC pipe and a screw rod are combined to construct a combined module positioning tool with the same installation size as the appearance of the fire damper;
s2: determining the positioning elevation for installing the fire damper, and designing and manufacturing a limiting support hanger;
s3: aligning the air pipes with the combined module positioning tool, then leveling the air pipes on two sides of the combined module positioning tool, and fixing and limiting the leveled air pipes;
s4: mounting a limiting support hanger according to the mounting position of the combined module positioning tool, so that the limiting support hanger is just matched with the mounting position of the combined module positioning tool;
s5: dismantling the combined module positioning tool, and hoisting the fire damper to the position where the combined module positioning tool is dismantled through the limiting support hanger;
s6: the fixed air pipe and the fire damper are assembled and leveled, and are connected, sealed and fixed through bolts and flange gaskets to complete the installation of the fire damper;
s7: and repeating the steps S3-S6, and sequentially installing the fire valves of the rest parallel air pipes until the installation of the fire valves of all the parallel air pipes is finished.
Further, the limiting support hanger in the step S2 is in the form of an angle steel hanger, and the specific setting mode is as follows: on the top room body structure that needs the installation fire prevention valve, fix angle steel gallows through expansion bolts to connect on the angle steel gallows and set up the jib, the jib is connected the fire prevention valve fixedly through the mode that the nut is fixed.
Further, the setting mode of the combined module positioning tool in the step S1 is as follows: the PVC pipe is matched with the installation size of the fire damper in a manufacturing mode, the screw rod with the proper size penetrates through the PVC pipe, the positioning nuts are arranged at the two ends of the screw rod, when the PVC pipe is aligned with the air pipes, the screw rod penetrates through the flange holes of the air pipes on the two sides, and the PVC pipe is locked and positioned through the positioning nuts.
Further, in step S6, when the air duct and the fire damper are aligned, the flange gasket is installed first, then the flange of the fire damper is aligned with the flange of the air duct, and the four diagonal bolts are inserted and nuts are worn without being tightened; then, a sharp punch is used for plugging into the screw holes of the bolts which are not installed, the remaining screw holes are aligned, and the nuts are screwed down until all the bolts are installed; when the nut is screwed down, the nut is gradually and uniformly screwed down in a crisscross manner.
Further, the thickness of the flange gasket is 3-5 mm, and when the flange gasket is installed, the flange gasket does not protrude into the pipe or protrude out of the flange.
And further, after the installation of the fire damper of the parallel air pipe is completed, carrying out tightness test and debugging on the fire damper.
Furthermore, the pressure of the fire damper in the tightness test is 1.2-1.5 times of the working pressure of the fire damper.
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention constructs a combined module positioning tool with the same installation size as the appearance of the fire damper through the combination of the PVC pipe and the screw rod, when the fire damper is installed, firstly, the portable combined module positioning tool is installed to position the installation position of the fire damper, the air pipes at the two ends of the fire damper are fixed and limited according to the installation position of the combined module positioning tool, then, the installation of the limiting support hanger is carried out according to the position of the combined module positioning tool, then, the combined module positioning tool is dismantled, the fire damper is hoisted to the installation position of the combined module positioning tool through the installation position of the limiting support hanger and is limited by the limiting support hanger, finally, the installation is finished through the fastening of bolts, and the installation speed of the fire damper is greatly improved because the appearance installation size of the combined module positioning tool is the same as the fire damper, and the assembly butt joint installation with the tuber pipe of both sides has also greatly been guaranteed, has promoted the accuracy of fire prevention valve installation, has solved the quality control difficult problem in the fire prevention valve installation, has reduced the rework rate, has practiced thrift artifical mechanical material expense, has obtained good economic benefits and social.
(2) The combined module positioning tool and the limiting support hanger are skillfully combined by adopting conventional components, the combined module positioning tool is simple in structure, easy to prepare and low in cost, and the installation convenience and the installation quality of the fire damper are further improved by matching with the novel installation method.
Drawings
FIG. 1 is a flow chart of the installation method framework of the present invention.
Fig. 2 is a schematic structural view of the limiting support hanger during hoisting.
Fig. 3 is a schematic side view of the limit support hanger during hoisting.
Fig. 4 is a schematic structural view of the combined module positioning tool during installation.
Wherein, the names corresponding to the reference numbers are:
1-house body structure, 2-expansion bolts, 3-angle steel hanger, 4-hanger rods, 5-fire valves, 6-air pipes, 7-PVC pipes, 8-screws and 9-nuts.
Detailed Description
The present invention will be further described with reference to the following description and examples, which include but are not limited to the following examples.
As shown in FIGS. 1-4:
an installation method for a fire damper of a parallel air duct comprises the following steps:
firstly: a PVC pipe and a screw rod are combined to construct a combined module positioning tool with the same installation size as the appearance of the fire damper; as shown in fig. 4: preparation and fire prevention valve installation dimension phase-match PVC pipe 7 will be fit for the screw rod 8 of size and pass PVC pipe 7 to set up set nut 9 at the both ends of screw rod, when aliging with the tuber pipe, pass the flange hole of both sides tuber pipe with screw rod 8, and through the locking location of set nut 9.
Secondly, determining the positioning elevation for installing the fire damper, and designing and manufacturing a limiting support hanger; as shown in fig. 2 and 3: the spacing gallows adopts the angle steel gallows form, and its specific mode of setting is: on the upper house body structure 1 that needs the installation fire prevention valve, fix angle steel gallows 3 through expansion bolts 2 to connect on the angle steel gallows and set up jib 4, jib 4 connects fire prevention valve 5 fixedly through the fixed mode of nut.
Thirdly, aligning the air pipes with the combined module positioning tool, then leveling the air pipes on two sides of the combined module positioning tool, and fixing and limiting the leveled air pipes;
fourthly, mounting a limiting support hanger according to the mounting position of the combined module positioning tool, so that the limiting support hanger is exactly matched with the mounting position of the combined module positioning tool;
fifthly, removing the combined module positioning tool, and hoisting the fire damper to the position where the combined module positioning tool is removed through a limiting support hanger;
sixthly, aligning the fixed air pipe and the fire damper in an assembling way, and connecting, sealing and fixing the air pipe and the fire damper through bolts and flange gaskets to finish the installation of the fire damper; when the air pipe and the fire damper are aligned in pair, firstly installing the flange gasket, aligning the flange of the fire damper with the flange of the air pipe, threading four diagonal bolts and wearing nuts without screwing; then, a sharp punch is used for plugging into the screw holes of the bolts which are not installed, the remaining screw holes are aligned, and the nuts are screwed down until all the bolts are installed; the nut is screwed up gradually and uniformly in a cross manner; the thickness of the flange gasket is 3-5 mm, and the flange gasket does not protrude into the pipe or protrude out of the flange when being installed.
And seventhly, repeating the steps, and sequentially installing the fire valves of the rest of the parallel air pipes until the installation of the fire valves of all the parallel air pipes is completed.
Eighthly, after all the fire valves of the parallel air pipes are installed, tightness test and debugging are carried out on the installed fire valves, when pressure test debugging is carried out, the low-pressure air pipe is under 1.5 times of working pressure, the medium-pressure air pipe is under 1.2 times of working pressure and not lower than 750Pa, the high-pressure air pipe is under 1.2 times of working pressure to carry out strength test, the level of more than 5min is kept, no crack is generated at the joint, and the permanent deformation and damage of the whole structure are qualified. The requirements for the tightness test debugging meet the requirements of the following table.
The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and should not be used to limit the scope of the present invention, but all the insubstantial modifications or changes made within the spirit and scope of the main design of the present invention, which still solve the technical problems consistent with the present invention, should be included in the scope of the present invention.
Claims (7)
1. The installation method for the fire damper of the parallel air pipe is characterized by comprising the following steps: the method comprises the following steps:
s1: a PVC pipe and a screw rod are combined to construct a combined module positioning tool with the same installation size as the appearance of the fire damper;
s2: determining the positioning elevation for installing the fire damper, and designing and manufacturing a limiting support hanger;
s3: aligning the air pipes with the combined module positioning tool, then leveling the air pipes on two sides of the combined module positioning tool, and fixing and limiting the leveled air pipes;
s4: mounting a limiting support hanger according to the mounting position of the combined module positioning tool, so that the limiting support hanger is just matched with the mounting position of the combined module positioning tool;
s6: dismantling the combined module positioning tool, and hoisting the fire damper to the position where the combined module positioning tool is dismantled through a limiting support hanger;
s6: the fixed air pipe and the fire damper are assembled and leveled, and are connected, sealed and fixed through bolts and flange gaskets to complete the installation of the fire damper;
s7: and repeating the steps S3-S6, and sequentially installing the fire valves of the rest parallel air pipes until the installation of the fire valves of all the parallel air pipes is completed.
2. The installation method for the fire damper of the parallel type air pipe according to claim 1, characterized in that: the limiting support hanger in the step S2 is in an angle steel hanger form, and the specific setting mode is as follows: structurally, the upper house body needing to be provided with the fire damper is fixed with an angle steel hanger through expansion bolts, a hanger rod is connected and arranged on the angle steel hanger, and the hanger rod is fixed through nuts and is pre-provided with a combined module positioning tool.
3. The installation method for the fire damper of the parallel type air duct according to claim 2, characterized in that: the setting mode of the combined module positioning tool in the step S1 is as follows: the PVC pipe is matched with the installation size of the fire damper in a manufacturing mode, the screw rod with the proper size penetrates through the PVC pipe, the positioning nuts are arranged at the two ends of the screw rod, when the screw rod is aligned with the air pipes, the screw rod penetrates through the flange holes of the air pipes on the two sides, and the positioning nuts are used for locking and positioning.
4. The installation method for the fire damper of the parallel type air duct according to claim 3, characterized in that: in step S6, when the wind pipe and the fire damper are assembled and leveled, the flange gasket is installed, the flange of the fire damper is aligned with the flange of the wind pipe, and the four diagonal bolts are threaded and nuts are worn without being tightened; then, a sharp punch is used for plugging into the screw holes of the bolts which are not installed, the remaining screw holes are aligned, and the nuts are screwed down until all the bolts are installed; the nut is screwed up gradually and uniformly in a crisscross manner.
5. The installation method for the fire damper of the parallel type air duct according to claim 4, characterized in that: the thickness of the flange gasket is 3-5 mm, and when the flange gasket is installed, the flange gasket does not protrude into the pipe and does not protrude out of the flange.
6. The installation method for the fire damper of the parallel type air duct according to claim 5, wherein: after the installation of the fire damper of the parallel air pipe is finished, the fire damper is subjected to tightness test and debugging.
7. The installation method for the fire damper of the parallel type air duct according to claim 6, wherein: the pressure of the fire damper in the tightness test is 1.2-1.5 times of the working pressure of the fire damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557444.7A CN112879655B (en) | 2020-12-25 | 2020-12-25 | Installation method for fire damper of parallel air pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011557444.7A CN112879655B (en) | 2020-12-25 | 2020-12-25 | Installation method for fire damper of parallel air pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112879655A CN112879655A (en) | 2021-06-01 |
| CN112879655B true CN112879655B (en) | 2022-06-21 |
Family
ID=76043580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011557444.7A Active CN112879655B (en) | 2020-12-25 | 2020-12-25 | Installation method for fire damper of parallel air pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112879655B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114484028A (en) * | 2022-02-22 | 2022-05-13 | 山东亚安建筑工程有限公司 | Installation process of street fireproof smoke exhaust valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317949A1 (en) * | 1975-07-18 | 1977-02-11 | Fisher Leonard | FIREWALL REGISTER |
| CN203452337U (en) * | 2012-09-25 | 2014-02-26 | 张为 | Fireproof heat-insulation ventilating pipe combined die frame |
| WO2015082684A2 (en) * | 2013-12-06 | 2015-06-11 | Storrøsæter Rune | System and method for extraction of smoke from road tunnels |
| CN206888522U (en) * | 2017-04-21 | 2018-01-16 | 中国水利水电第十四工程局有限公司 | A kind of form removable device |
| CN212004446U (en) * | 2020-04-03 | 2020-11-24 | 中国铁路设计集团有限公司 | Embedded combined residual pressure fire-proof valve |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2537875Y (en) * | 2002-04-03 | 2003-02-26 | 上海德瑞金属制品有限公司 | Suspending frame structure |
| US7195290B2 (en) * | 2003-11-13 | 2007-03-27 | William Christopher Duffy | Apparatus for a fire-rated duct |
| JP5638402B2 (en) * | 2011-01-26 | 2014-12-10 | 株式会社安藤・間 | Fire damper for paper air shooter duct |
| US9074788B2 (en) * | 2012-01-06 | 2015-07-07 | William Christopher Duffy | Fire-rated modular duct assembly suitable for exhausting flammable or hazardous gases, vapours and other materials |
| CN103633819B (en) * | 2013-11-08 | 2016-04-20 | 国家电网公司 | A kind of voltage source converter submodule unit holder based on full control device |
| JP6319552B2 (en) * | 2013-11-21 | 2018-05-09 | 株式会社Ihi | Flue gas denitration apparatus and flue gas denitration method |
| DE102016226157A1 (en) * | 2016-12-23 | 2018-06-28 | Ziehl-Abegg Se | Fan module and arrangement of one or more such fan modules in a flow channel |
| CN207906614U (en) * | 2018-01-30 | 2018-09-25 | 广州市机电安装有限公司 | A kind of hanger for Pipe installing |
| CN209909259U (en) * | 2019-06-11 | 2020-01-07 | 德州隆达空调设备有限公司 | Plug-in structure for valve body assembly |
-
2020
- 2020-12-25 CN CN202011557444.7A patent/CN112879655B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2317949A1 (en) * | 1975-07-18 | 1977-02-11 | Fisher Leonard | FIREWALL REGISTER |
| CN203452337U (en) * | 2012-09-25 | 2014-02-26 | 张为 | Fireproof heat-insulation ventilating pipe combined die frame |
| WO2015082684A2 (en) * | 2013-12-06 | 2015-06-11 | Storrøsæter Rune | System and method for extraction of smoke from road tunnels |
| CN206888522U (en) * | 2017-04-21 | 2018-01-16 | 中国水利水电第十四工程局有限公司 | A kind of form removable device |
| CN212004446U (en) * | 2020-04-03 | 2020-11-24 | 中国铁路设计集团有限公司 | Embedded combined residual pressure fire-proof valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112879655A (en) | 2021-06-01 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112879655B (en) | Installation method for fire damper of parallel air pipe | |
| CN206960076U (en) | The experimental rig of the close property of closed in space and intensity | |
| CN106836836B (en) | A kind of secondary hydraulic lifting installation method of Flue Gas Desulphurization for Coal-burning Power Plant tower transformation | |
| CN205424196U (en) | Shaft wind pipe connection | |
| DE102014115349A1 (en) | Method for assembling a gas turbine housing | |
| CN204829115U (en) | Lag bolt type grout clamp sealing device | |
| CN206971521U (en) | A kind of architectural construction of furred ceiling | |
| CN209288643U (en) | The manual repair outfit of high pressure screw thread | |
| CN211009405U (en) | Flange for construction engineering machinery | |
| CN208474665U (en) | Adjustable machine electric line suspension and support | |
| CN203686370U (en) | Structure for installing air duct of hanging belt type | |
| CN218094621U (en) | Pipeline installation is with instrument of correcting flange of keeping silent | |
| CN111705935A (en) | Gas cap type wallboard connecting piece and quick assembling and disassembling method thereof | |
| CN219925775U (en) | Flange overhauling tool | |
| CN214344067U (en) | Mounting structure for fire damper of parallel air pipes | |
| CN203594878U (en) | Flange type pipeline support with supporting and stabilizing structure | |
| CN219847965U (en) | Fire extinguishing system assembled on climbing frame | |
| CN203383969U (en) | Thrust collar installing device used during medium and large hydroelectric generating set maintenance | |
| CN219244509U (en) | Simple and quick survey and drawing blast furnace reducing pipe device | |
| CN218378175U (en) | High leakproofness staple bolt of helical bellows | |
| CN219666520U (en) | Be used for overheated stifled valve dismouting device of power plant boiler | |
| CN216242937U (en) | Special steel structure antidetonation support of warm ventilation pipe in natural gas long distance pipeline compressor room | |
| CN213545928U (en) | Adjustable ball carrying pipe of absorption ball shutdown system | |
| CN202192568U (en) | Fastening device with height adjusting function | |
| CN215215028U (en) | Support is suppressed to nuclear power station steam turbine high discharge safety valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |