Fabricated construction method of automatic water-spraying fire-extinguishing whole system

Abstract

The invention discloses an automatic water spraying fire extinguishing whole system assembly type construction method, and relates to the technical field of fire extinguishing system construction. Comprising the following steps: S1, carrying out whole-system modeling by utilizing a BIM technology; s2, reasonable segmentation and integrated prefabrication are conducted on pipelines, equipment and accessories of the pipelines, the equipment and the accessories; s3, encoding, storing and transporting; s4, field installation is conducted, specifically, a finished product support, a double-face epoxy resin pipe, a stainless steel hose and a modular assembly pump house are adopted for construction; wherein the step S4 of field installation comprises the following substeps: S41, installation of a finished product support hanger: according to a design drawing and a BIM model, fixing the support hanger after paying off and positioning by means of a laser positioning instrument, and controlling the position and elevation error; and S42, the fire fighting pipeline is installed in a modularized mode. According to the method, the manufacturing and mounting precision is improved, whole-system modeling and factory equipment prefabrication are conducted through the BIM technology, the mounting precision of system components and sections is precisely controlled, dependence on field conditions and the technical level of workers is reduced, and the manufacturing precision is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of fire extinguishing system construction, and particularly to an assembled construction method for an automatic sprinkler fire extinguishing system. Background Art

[0002] In the field of building installation, the automatic sprinkler fire extinguishing system is an indispensable component. With the development trend of prefabricated buildings, many problems have emerged in the installation of the automatic sprinkler fire extinguishing system with traditional construction methods, such as slow construction progress, low processing accuracy, dependence on on-site construction conditions and the technical level of workers, etc. There is an urgent need for a new construction method to solve these problems.

[0003] After retrieval, the application solution with the Chinese patent application number CN202110664688.3 discloses an assembled sprinkler fire extinguishing system and a construction method. The assembled sprinkler fire extinguishing system includes a bracket fixed on a floor slab, a water supply pipe, and a plurality of sprinkler units supported on the bracket. The sprinkler unit includes a prefabricated water distribution main pipe, a horizontal main pipe, a water distribution branch pipe, and a riser. The water distribution main pipes are two relatively arranged ones, and at least one of the water distribution main pipes is connected to the water supply pipe. The other end of the water supply pipe is connected to a water source. The horizontal main pipe is connected to both ends of the water distribution main pipe. The water distribution branch pipes are multiple, and the multiple water distribution branch pipes are uniformly distributed and communicated between the water distribution main pipes. A plurality of the risers are vertically connected to each water distribution branch pipe, and a sprinkler is provided at the upper end of the riser. The sprinkler fire extinguishing system in the above patent has the following deficiencies: only an assembly solution for the pipeline structure is provided, the construction of other parts is still time-consuming and laborious, and the storage and transportation links cannot be well traced and are not easy to manage, and there is still room for improvement. Summary of the Invention

[0004] The purpose of the present invention is to solve the deficiencies existing in the prior art, and an assembled construction method for an automatic sprinkler fire extinguishing system is proposed.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] An assembled construction method for an automatic sprinkler fire extinguishing system includes the following steps:

[0007] S1: Modeling the whole system using BIM technology;

[0008] S2: Reasonably segmenting and integrally prefabricating pipes, equipment and their accessories;

[0009] S3: Coding for storage and transportation;

[0010] S4: On-site installation, using finished brackets, double-sided epoxy resin pipes, stainless steel hoses, and modular assembly pump rooms for construction;

[0011] Among them, the on-site installation of S4 includes:

[0012] S41: Installation of finished pipe supports and hangers: According to the design drawings and BIM model, after positioning with a laser locator, fix the pipe supports and hangers, and control the position and elevation errors.

[0013] S42: Modular installation of fire-fighting pipes: The main pipe section is installed with the help of finished supports, controlling the rotation angle and fixing it; for the branch pipe section, pay attention to the opening direction of the tee, and preferably use trapezoidal pipe supports and hangers to fix the end.

[0014] S43: Modular installation of the fire-fighting pump room: Before assembly, simulate the virtual three-dimensional hoisting operation environment, review parameters such as the foundation size, first place the equipment modules such as the pump group in place, then assemble the main pipes, and finally install the vertical pipe section and set the compensation section. The large-size pipe sections are hoisted with a large pipe lifting device.

[0015] S44: Installation of the sprinkler end: After the installation of the main pipe section and the branch pipe section, install the stainless steel braided hose and the end sprinkler, and use a customized support to fix and adjust the position.

[0016] Preferably: In S1, the whole-system modeling using BIM technology includes: establishing a BIM model of the whole system, and scientifically segmenting the pipes on the premise of meeting the specifications and maintenance requirements in combination with the logistics and on-site transfer conditions.

[0017] Preferably: In S1, it specifically includes:

[0018] S11: Modular design of fire-fighting pipes;

[0019] S12: Modular design of the fire-fighting pump room;

[0020] S13: Modular design of finished pipe supports and hangers.

[0021] Preferably: In S11, the modular design of fire-fighting pipes is as follows:

[0022] S111: Use REVIT software to establish a BIM model of the mechanical and electrical pipelines;

[0023] S112: Through Navisworks software, conduct virtual walkthrough, collision check and net height analysis to determine the positions of the pipelines of each specialty, and form a BIM model of all specialties;

[0024] S113: Export the BIM drawings of the automatic sprinkler system and optimize them, conduct standardized modular design, segment and code the pipes, and generate pipe section processing drawings and parameter information databases.

[0025] Preferably: In S12, the modular design of the fire-fighting pump room is as follows:

[0026] S121: Re-survey the fire pump room building structure using a total station robot;

[0027] S122: Feedback the measured data to the BIM model and adjust it;

[0028] S123: Optimize the layout of equipment and pipelines in the machine room, segment and encode them into digital modules, and adopt modular design for fire pumps.

[0029] Preferably, in S13, the finished product support and hanger is modularly designed, specifically as follows:

[0030] The pipe supports adopt finished support and hanger brackets, which are arranged comprehensively according to the distribution of fire protection pipes and the principle of priority of combined supports.

[0031] Preferably, in S2, the pipeline, equipment and accessories are prefabricated in reasonable sections and integrated as follows:

[0032] S21: The prefabrication factory uses a digital fully automatic production line to centrally prefabricate and process each component based on the prefabrication processing diagram and parameter information database;

[0033] S22: The fire protection pipe module sprinkler main pipe is connected by clamps, and the branch pipe is connected by threaded connection. After prefabrication, it is flushed and coded;

[0034] S23: Modular prefabrication of fire pump group modules, control of processing accuracy and adoption of finished product protection and temporary reinforcement measures;

[0035] S24: The load-bearing capacity of the finished support and hanger modules shall be checked first, and then standard parts shall be manufactured and assembled.

[0036] Preferably, in said S21, all components are centrally prefabricated and processed, including: cutting and blanking, pipe threading (grooving), pipe connection, anti-corrosion painting (touch-up painting), flushing and pressure testing, coding and marking, finished product protection, etc.

[0037] Preferably, in S3, the coding storage and transportation is as follows:

[0038] The project submits a material demand plan, the prefabricated manufacturer codes the materials, and uses logistics tracking and QR code technology to trace the prefabricated material information, achieving two-way traceability of production, transportation, assembly and other links.

[0039] The beneficial effects of the present invention are:

[0040] 1. The present invention improves the accuracy of production and installation: it uses BIM technology to model the entire system and prefabricate factory equipment, accurately controls the installation accuracy of system components and sections, reduces dependence on site conditions and workers' technical level, and improves production accuracy.

[0041] 2. The present invention shortens the on-site operation cycle: pipes and brackets do not need on-site cutting and other operations. Through BIM deepening and factory prefabrication, on-site assembly can shorten the construction period.

[0042] 3. The present invention improves construction quality: the construction quality is improved through standardized BIM models, high-precision prefabricated components, QR code identification, assembly construction and intelligent operation and maintenance management.

[0043] 4. The present invention complies with the requirements of green construction: brackets, pipelines, etc. are made of environmentally friendly materials to reduce pollution from on-site operations. BRIEF DESCRIPTION OF THE DRAWINGS

[0044] Figure 1 The present invention provides a flowchart of the method for assembling the automatic sprinkler fire extinguishing system. DETAILED DESCRIPTION

[0045] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0046] Embodiment 1:

[0047] The assembly construction method of the automatic sprinkler fire extinguishing system is as follows:

[0048] 1. Construction preparation stage

[0049] Collect information such as engineering drawings, standards and specifications, pipeline and equipment selection samples, prefabrication plant capacity, road traffic conditions, machinery and equipment, and prefabricated industrial workers to rationally plan the site layout.

[0050] 2. Deepening design stage

[0051] Modular design of fire protection pipelines: Use REVIT software to establish a BIM model for electromechanical pipelines, use Navisworks software to conduct virtual roaming, collision checks, and clear height analysis, determine the location of each professional pipeline, and form a full professional BIM model. Export and optimize the BIM drawings of the automatic sprinkler fire extinguishing system, conduct standardized modular design, reasonably segment and code the pipelines, and generate pipe segment processing drawings and parameter information libraries.

[0052] Modular design of fire pump room: Use total station robot to re-measure the fire pump room building structure, feed back the measured data to the BIM model and adjust it. Optimize the layout of equipment and pipelines in the room, segment and encode them into digital modules, and use modular design for fire pumps.

[0053] Modular design of finished support and hanger brackets: The pipe supports adopt finished support and hanger brackets, which are comprehensively arranged according to the distribution of fire protection pipes and the principle of priority of combined supports to realize the overall lifting construction of pipelines.

[0054] 3. Issuing prefabrication drawings

[0055] Compile the processing drawings and assembly drawings of each module such as pipe supports and hangers, pipelines, and pump houses into a volume and deliver them to the prefabrication factory. Among them, the prefabrication processing drawings of the fire pipelines shall accurately and completely contain the parameter information of each pipe section; the prefabrication processing drawings of the fire pump group module shall cover the materials, dimensions, precision requirements, etc. of the components; the prefabrication processing drawings of the finished pipe supports and hangers shall accurately reflect their materials, forms, specifications, dimensions, etc.

[0056] 4. Factory prefabrication stage

[0057] Coordinate the on-site assembly progress plan, component transportation time-consuming, and factory prefabrication cycle relationship. The prefabrication factory, based on the prefabrication processing drawings and parameter information database, uses a digital fully automatic production line to centrally prefabricate and process each component, including cutting and blanking, pipe threading (grooving), pipe connection, anti-corrosion painting (touch-up painting), flushing and pressure testing, coding and marking, finished product protection, etc. The main spray pipes of the fire pipeline module are connected by clamps, and the branch pipes are connected by threading. After prefabrication, they are flushed and coded; the relevant equipment of the fire pump group module is modularly prefabricated, the processing precision is controlled, and finished product protection and temporary reinforcement measures are taken; for the finished pipe support and hanger module, first check the load-bearing capacity, and then manufacture standard parts and assemble them.

[0058] 5. Coding and storage and transportation stage

[0059] The project submits a material requirement plan. The prefabricated component manufacturer codes the materials and uses logistics tracking and two-dimensional code technology to trace and manage the information of the prefabricated components, realizing two-way traceability in production, transportation, assembly and other links.

[0060] 6. On-site installation stage

[0061] Installation of finished pipe supports and hangers: According to the design drawings and BIM model, use a laser locator to set out and position, and then fix the pipe supports and hangers, controlling the position and elevation errors.

[0062] Modular installation of fire pipelines: The main pipe section is installed with the help of finished supports, controlling the rotation angle and fixing; for the branch pipe section, pay attention to the opening direction of the tee, and preferably use trapezoidal pipe supports and hangers to fix at the end.

[0063] Modular installation of the fire pump house: Before assembly, simulate the virtual three-dimensional hoisting operation environment, check and verify parameters such as the foundation dimensions, first place the equipment modules such as the pump group in place, then assemble the main pipelines, and finally install the vertical pipe sections and set compensation sections. The large-size pipe sections are hoisted with the help of a large pipe lifting device.

[0064] Installation of the spray end: After the main pipe section and the branch pipe section are installed, install the stainless steel braided hose and the end nozzle, and use a customized support to fix and adjust the position.

[0065] The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and inventive concept of the present invention, making equivalent substitutions or changes should be covered within the protection scope of the present invention.

Claims

1. The method for assembling the entire system of automatic sprinkler fire extinguishing is characterized in that: The following steps are involved: S1: Full system modeling using BIM technology; S2: Rationally segment and integrate the prefabrication of pipelines, equipment and their accessories; S3: coded storage and transportation; S4: On-site installation, using finished brackets, double-sided epoxy resin pipes, stainless steel hoses, and modular assembly pump rooms for construction; The on-site installation of S4 includes: S41: Installation of finished product supports and hangers: According to the design drawings and BIM models, the supports and hangers are fixed after positioning with the help of a laser locator to control the position and elevation errors; S42: Modular installation of fire protection pipes: The main pipe section is installed with the help of the finished bracket, and the rotation angle is controlled and fixed; when installing the branch pipe section, pay attention to the direction of the tee opening, and use a trapezoidal support bracket to fix the end; S43: Modular installation of fire pump room: Before assembly, conduct virtual 3D hoisting operation environment simulation, check basic size parameters, first put the pump equipment module in place, then assemble the main pipeline, finally install the vertical pipe section and set the compensation section, and hoist the large-size pipe section with the help of large-scale pipeline lifting device; S44: Sprinkler terminal installation: After the main pipe section and branch pipe section are installed, install the stainless steel braided hose and terminal nozzle, and use a customized bracket to fix and adjust the position.

2. The method for assembling the automatic sprinkler fire extinguishing system according to claim 1, characterized in that: In S1, the whole system modeling using BIM technology includes: establishing a BIM model of the whole system, combining logistics and on-site transportation conditions, and scientifically segmenting the pipeline on the premise of meeting specifications and maintenance needs.

3. The method for assembling the automatic sprinkler fire extinguishing system according to claim 1 is characterized in that: Said S1 specifically includes: S11: Modular design of fire protection pipeline; S12: Modular design of fire pump room; S13: Modular design of finished product supports and hangers.

4. The method for assembling the automatic sprinkler fire extinguishing system according to claim 3 is characterized in that: In S11, the fire protection pipeline is modularly designed as follows: S111: Use REVIT software to establish the BIM model of mechanical and electrical pipelines; S112: Use Navisworks software to conduct virtual roaming, collision check and clear height analysis to determine the location of each professional pipeline and form a full-professional BIM model; S113: Export and optimize the BIM drawings of the automatic sprinkler fire extinguishing system, perform standardized modular design, segment and code the pipelines, and generate pipe segment processing drawings and parameter information libraries.

5. The method for assembling the automatic sprinkler fire extinguishing system according to claim 3 is characterized in that: In S12, the fire pump room is modularly designed as follows: S121: Re-survey the fire pump room building structure using a total station robot; S122: Feedback the measured data to the BIM model and adjust it; S123: Optimize the layout of equipment and pipelines in the machine room, segment and encode them into digital modules, and adopt modular design for fire pumps.

6. The method for assembling the automatic sprinkler fire extinguishing system according to claim 3 is characterized in that: In S13, the finished product support and hanger is modularly designed as follows: The pipe supports adopt finished support and hanger brackets, which are arranged comprehensively according to the distribution of fire protection pipes and the principle of priority of combined supports.

7. The method for assembling the automatic sprinkler fire extinguishing system according to claim 1, characterized in that: In S2, the pipelines, equipment and their accessories are reasonably segmented and prefabricated in an integrated manner, as follows: S21: The prefabrication factory uses a digital fully automatic production line to centrally prefabricate and process each component based on the prefabrication processing diagram and parameter information database; S22: The fire protection pipe module sprinkler main pipe is connected by clamps, and the branch pipe is connected by threaded connection. After prefabrication, it is flushed and coded; S23: Modular prefabrication of fire pump group modules, control of processing accuracy and adoption of finished product protection and temporary reinforcement measures; S24: The load-bearing capacity of the finished support and hanger modules shall be checked first, and then standard parts shall be manufactured and assembled.

8. The method for assembling the automatic sprinkler fire extinguishing system according to claim 7, characterized in that: In S21, various components are centrally prefabricated and processed, including: cutting and blanking, pipe threading, pipe connection, anti-corrosion painting, flushing and pressure testing, coding and marking, and finished product protection.

9. The method for assembling the automatic sprinkler fire extinguishing system according to claim 8, characterized in that: In S3, the coding storage and transportation are as follows: The project submits a material demand plan, the prefabricated manufacturer codes the materials, and uses logistics tracking and QR code technology to trace the prefabricated material information, achieving two-way traceability of the production, transportation, and assembly links.

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