A purification air conditioning system and a construction method thereof

By optimizing design and modular installation through BIM technology, combined with location marking, the quality and efficiency issues in the construction of hospital cleanroom air conditioning systems were resolved, achieving precise duct installation and material utilization, and reducing construction costs.

CN115795588BActive Publication Date: 2026-01-27CHINA CONSTR EIGHTH BUREAU DEV & CONSTR CO LTD
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Patent Information

Application Number
CN202211089654.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-09-07
Publication Date
2026-01-27
Estimated Expiration
2042-09-07

AI Technical Summary

Technical Problem

Existing construction methods for hospital air conditioning systems are insufficient to guarantee the quality, efficiency, and schedule of the project, and result in significant material waste and an inability to effectively control errors and rework during the construction process.

Method used

By using BIM technology to optimize engineering design and adopting factory prefabrication and modular installation construction methods, combined with location markers such as QR codes, RFID tags and jigsaw puzzle pieces, the processing and installation of air ducts can be precisely controlled.

Benefits of technology

By using BIM technology to optimize design and modularize installation, construction errors and material waste can be reduced, construction quality and efficiency can be improved, precise installation of ducts can be ensured, and labor costs can be reduced.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application provides a purification air conditioning system and a construction method thereof, and belongs to the technical field of air purification, and the purification air conditioning system comprises a wind pipe and a purification air conditioning device, and the end of the wind pipe is provided with a bite; the construction method of the purification air conditioning system comprises establishing a BIM model, making a construction drawing and manufacturing an engineering drawing; prefabricating the wind pipe in combination with the manufactured engineering drawing; modularly installing the prefabricated wind pipe in combination with the manufactured construction drawing; installing and debugging the purification air conditioning device on the site where the modular installation of the wind pipe is completed; and checking and accepting the installed purification air conditioning system according to the quality acceptance standard of hospital purification air conditioning construction. The whole purification air conditioning wind pipe adopts the construction mode of "factory prefabrication and modular installation", which can speed up the construction progress, reduce material loss, effectively control the construction process and construction quality, and meet the design and use requirements.
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Description

Technical Field

[0001] This invention belongs to the field of air purification technology, and more specifically, relates to a purification air conditioning system and its construction method. Background Technology

[0002] Air purification technology is a highly demanding and comprehensive technology designed to control dust, bacteria, and microorganisms in the production environment, thereby ensuring high precision, high purity, and high reliability of products. Hospital air conditioning systems not only require control of indoor temperature and relative humidity, but more importantly, control of the concentration of dust, bacteria, and harmful gases, providing the necessary fresh air volume for occupants, maintaining a reasonable airflow distribution between indoors and outdoors, and paying particular attention to controlling indoor bacterial concentration to prevent wound infection during surgical procedures.

[0003] Under the aforementioned high standards, it is necessary to provide construction methods for cleanroom air conditioning systems applicable to the hospital and healthcare industry. These methods should have high reliability and advanced features compared to traditional construction methods, effectively guaranteeing construction quality, efficiency, and schedule. Through effective control of the construction process and quality, the design and usage requirements can be met. Summary of the Invention

[0004] In view of this, the present invention provides a purification air conditioning system and its construction method. By utilizing BIM technology to optimize engineering design and adopting a construction method of "factory prefabrication and modular installation", the construction process and quality can be effectively controlled, the construction progress can be accelerated, the construction quality can be improved, and material waste can be reduced.

[0005] This invention is implemented as follows:

[0006] This invention provides a method for constructing a cleanroom air conditioning system, comprising:

[0007] S10: Create a BIM model and produce construction drawings and manufacturing drawings;

[0008] S20: Prefabricate air ducts according to manufacturing engineering drawings;

[0009] S30: Modular installation of prefabricated air ducts according to construction drawings;

[0010] S40: Install and commission air conditioning equipment for sites where modular ductwork installation has been completed.

[0011] Based on the above technical solution, the construction method of the purification air conditioning system of the present invention can be further improved as follows:

[0012] The specific steps of S10 include:

[0013] The first step is to create civil engineering BIM models and mechanical and electrical BIM models based on the dimensions of the construction site;

[0014] The second step is to merge the MEP BIM model and the civil engineering BIM model, and then perform MEP-Structure clash checks and MEP-MEP clash checks separately.

[0015] The third step is to conduct on-site roaming checks, clearance checks, and equipment transport channel verification.

[0016] The fourth step is to adjust the MEP BIM model to achieve comprehensive balance of MEP pipelines by combining the results of MEP and structural collision checks, MEP and MEP collision checks, walkthrough checks, clearance checks, and equipment transport channel verification.

[0017] The fifth step is to establish a three-dimensional coordinate system in the integrated electromechanical pipeline BIM model and decompose the electromechanical BIM model into segments.

[0018] The sixth step is to create the overall construction drawings and the manufacturing engineering drawings for each segment.

[0019] The specific steps of S20 include:

[0020] The first step is to inspect the construction materials;

[0021] The second step is to clean the construction materials that have passed inspection before they are used.

[0022] The third step is to lay out and cut the cleaned construction materials according to the manufacturing engineering drawings, process the air ducts and make the seams.

[0023] The fourth step is to set location markers on the completed air ducts;

[0024] The fifth step is to clean the finished ductwork with the location markers already set.

[0025] The sixth step is to inspect and accept the finished cleaning of the air ducts;

[0026] The seventh step is to seal the openings of the air ducts that have completed inspection and acceptance and store them in the warehouse.

[0027] Furthermore, the step of setting position marks on the processed air ducts specifically involves:

[0028] Based on the three-dimensional position of each decomposed duct segment, a QR code is assigned to each duct segment;

[0029] The QR code is printed on the finished air duct.

[0030] Furthermore, the setting of position markers on the completed air ducts specifically involves:

[0031] Based on the three-dimensional position of each decomposed duct segment, RFID tags are affixed to each duct segment.

[0032] Furthermore, the step of setting position marks on the processed air ducts specifically involves:

[0033] Based on the three-dimensional position of each decomposed duct segment, detachable puzzle pieces that are compatible with adjacent duct segments are set on the processed duct segments.

[0034] Furthermore, the specific steps for cleaning the finished ductwork with the location markers already set are as follows:

[0035] The first step is to reapply the substandard adhesive.

[0036] The second step is to wipe the outer surface of the air duct;

[0037] The third step is to wipe away any dust from the inner surface of the air duct.

[0038] Fourth step: Wipe the inner surface of the duct with trichloroethylene or diluted ethanol or an active cleaning agent to remove all oil layers and stains;

[0039] The fifth step is to air dry or blow dry the cleaned air ducts.

[0040] Step 6: Use a white silk cloth to check the cleaning quality of the inner surface of the air duct. If the white silk cloth does not leave any dust or oil stains, the cleaning is considered satisfactory.

[0041] Step 7: Seal and protect both ends of the duct with plastic film and adhesive tape.

[0042] The specific steps of S30 include:

[0043] The first step is to fabricate and arrange the supports and hangers according to the construction drawings, and to lay out the ground air vents and wall projection lines.

[0044] The second step is to transport the ductwork to the installation site, arrange the ductwork according to the location markings, and clean the inner and outer surfaces and seams of the sheet metal.

[0045] The third step is to modularly assemble and install the air ducts;

[0046] The fourth step is to seal the ports of the installed duct.

[0047] The specific steps of S40 include:

[0048] The first step is to inspect and clean the air conditioning equipment.

[0049] The second step is to hoist the cleanroom air conditioning equipment and fabricate and install the piping after it has been inspected, cleaned and verified to be in good condition.

[0050] The third step is to conduct a load test run on the installed air conditioning equipment.

[0051] This invention provides a cleanroom air conditioning system, including an air duct and a cleanroom air conditioning device. The end of the air duct is provided with a seam. The air duct and the cleanroom air conditioning device are installed using the above-mentioned construction method for a cleanroom air conditioning system.

[0052] Compared with existing technologies, the beneficial effects of the cleanroom air conditioning system and its construction method provided by this invention are as follows: By applying BIM technology to optimize engineering design and guide the processing and fabrication of air ducts, the construction process and quality can be effectively controlled, reducing potential errors, losses, and rework during the building construction phase, and optimizing clearance and pipeline layout. By adopting a "factory prefabrication and modular installation" construction method, the phenomena of random material cutting and underutilization during manual operation are avoided, maximizing material utilization, reducing material waste, lowering labor costs, accelerating construction progress, and improving construction quality. By setting position marks on the processed air ducts, each section of the air duct can be accurately restored on site, improving assembly accuracy and efficiency. Attached Figure Description

[0053] To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0054] Figure 1 A flowchart of a construction method for a cleanroom air conditioning system provided by the present invention;

[0055] The attached diagram lists the components represented by each number as follows:

[0056] 10. Air duct; 11. Seam joint; 20. Cleanroom air conditioning equipment. Detailed Implementation

[0057] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0058] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0059] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0060] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified.

[0062] like Figure 1 The image shown is a first embodiment of a construction method for a cleanroom air conditioning system provided by the present invention. In this embodiment, it includes:

[0063] S10: Create a BIM model and produce construction drawings and manufacturing drawings;

[0064] S20: Prefabricate air ducts according to manufacturing engineering drawings;

[0065] S30: Modular installation of prefabricated air ducts according to construction drawings;

[0066] S40: Install and commission air conditioning equipment for sites where modular ductwork installation has been completed.

[0067] In the above technical solution, the specific steps of S10 include:

[0068] The first step is to create civil engineering BIM models and mechanical and electrical BIM models based on the dimensions of the construction site;

[0069] The second step is to merge the MEP BIM model and the civil engineering BIM model, and then perform MEP-Structure clash checks and MEP-MEP clash checks separately.

[0070] The third step is to conduct on-site roaming checks, clearance checks, and equipment transport channel verification.

[0071] The fourth step is to adjust the MEP BIM model to achieve comprehensive balance of MEP pipelines by combining the results of MEP and structural collision checks, MEP and MEP collision checks, walkthrough checks, clearance checks, and equipment transport channel verification.

[0072] The fifth step is to establish a three-dimensional coordinate system in the integrated electromechanical pipeline BIM model and decompose the electromechanical BIM model into segments.

[0073] The sixth step is to create the overall construction drawings and the manufacturing engineering drawings for each segment.

[0074] When conducting mechanical and electrical collision checks and mechanical and electrical collision checks, technicians use BIM software to record conflicts in the existing BIM model and export relevant collision reports. The reports will indicate the location of the conflict and the name of the colliding components. By conducting collision detection, potential problems can be identified before construction and relevant professional communication and coordination can be carried out in a timely manner.

[0075] When conducting walkthrough checks, clearance checks, and equipment transport channel verification, technicians perform 3D walkthrough checks on the BIM model to identify areas of unreasonable design, such as structural elevation issues, structural collision issues, clearance issues, insufficient installation space issues, collisions between mechanical and electrical systems, and collisions between mechanical and electrical systems and structures.

[0076] The three-dimensional coordinate system includes mutually perpendicular X-axis, Y-axis and Z-axis. Taking the top view of the construction site as an example, the positive direction of the X-axis is due east, the positive direction of the Y-axis is due north, and the positive direction of the Z-axis is directly upward.

[0077] Construction drawings include construction plan and integrated pipeline layout; manufacturing drawings include cross-sectional views of complex nodes, assembly drawings for segmented fabrication, and drawings of parts for segmented fabrication.

[0078] In the above technical solution, the specific steps of S20 include:

[0079] The first step is to inspect the construction materials;

[0080] The second step is to clean the construction materials that have passed inspection before they are used.

[0081] The third step is to lay out and cut the cleaned construction materials according to the manufacturing engineering drawings, process the air ducts and make the seams.

[0082] The fourth step is to set location markers on the completed air ducts;

[0083] The fifth step is to clean the finished ductwork with the location markers already set.

[0084] The sixth step is to inspect and accept the finished cleaning of the air ducts;

[0085] The seventh step is to seal the openings of the air ducts that have completed inspection and acceptance and store them in the warehouse.

[0086] When inspecting construction materials, the inspection shall be conducted in accordance with the People's Republic of China National Standard "Code for Acceptance of Construction Quality of Ventilation and Air Conditioning" (GB 50243-2016).

[0087] The seam is formed by bending the end of the duct into a certain shape for fixed connection between ducts.

[0088] In the above technical solution, the specific steps of S30 include:

[0089] The first step is to fabricate and arrange the supports and hangers according to the construction drawings, and to lay out the ground air vents and wall projection lines.

[0090] The second step is to transport the ductwork to the installation site, arrange the ductwork according to the location markings, and clean the inner and outer surfaces and seams of the sheet metal.

[0091] The third step is to modularly assemble and install the air ducts;

[0092] The fourth step is to seal the ports of the installed duct.

[0093] In the above technical solution, the specific steps of S40 include:

[0094] The first step is to inspect and clean the air conditioning equipment.

[0095] The second step is to hoist the cleanroom air conditioning equipment and fabricate and install the piping after it has been inspected, cleaned and verified to be in good condition.

[0096] The third step is to conduct a load test run on the installed air conditioning equipment.

[0097] Furthermore, in the above technical solution, the specific steps for setting position marks on the processed air duct are as follows:

[0098] Based on the three-dimensional position of each decomposed duct segment, a QR code is assigned to each duct segment;

[0099] QR codes are printed on the finished air ducts.

[0100] like Figure 1The image shows a second embodiment of a construction method for a cleanroom air conditioning system provided by the present invention. In this embodiment, the setting of position markers on the processed air ducts is specifically as follows:

[0101] Based on the three-dimensional position of each decomposed duct segment, RFID tags are affixed to each duct segment.

[0102] like Figure 1 The image shows a third embodiment of a construction method for a cleanroom air conditioning system provided by the present invention. In this embodiment, the step of setting position markers on the processed air ducts specifically includes:

[0103] Based on the three-dimensional position of each decomposed duct segment, detachable puzzle pieces that are compatible with adjacent duct segments are set on the processed duct segments.

[0104] When installing duct sections, the workers first assemble the puzzle pieces. The position of each puzzle piece is the assembly position of the corresponding duct section. After confirming the relative positions between each duct section, the duct sections are then spliced ​​and assembled.

[0105] Furthermore, in the above technical solution, the specific steps for cleaning the finished duct with the set location markers are as follows:

[0106] The first step is to reapply the substandard adhesive.

[0107] The second step is to wipe the outer surface of the air duct;

[0108] The third step is to wipe away any dust from the inner surface of the air duct.

[0109] Fourth step: Wipe the inner surface of the duct with trichloroethylene or diluted ethanol or an active cleaning agent to remove all oil layers and stains;

[0110] The fifth step is to air dry or blow dry the cleaned air ducts.

[0111] Step 6: Use a white silk cloth to check the cleaning quality of the inner surface of the air duct. If the white silk cloth does not leave any dust or oil stains, the cleaning is considered satisfactory.

[0112] Step 7: Seal and protect both ends of the duct with plastic film and adhesive tape.

[0113] like Figure 1 The image shows a first embodiment of a cleanroom air conditioning system provided by the present invention. In this embodiment, it includes a duct 10 and a cleanroom air conditioning device 20. The end of the duct 10 is provided with a seam 11. The duct 10 and the cleanroom air conditioning device 20 are installed using the above-mentioned construction method for a cleanroom air conditioning system.

[0114] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in the present invention should be included within the scope of protection of the present invention. Therefore, the scope of protection of the present invention should be determined by the scope of the claims.

Claims

1. A construction method for a cleanroom air conditioning system, characterized in that, include: S10: Create a BIM model and produce construction drawings and manufacturing drawings; S20: Prefabricate air ducts according to manufacturing engineering drawings; S30: Modular installation of prefabricated air ducts according to construction drawings; S40: Install and commission air conditioning equipment for sites where modular ductwork installation has been completed; The specific steps of S10 include: The first step is to create civil engineering BIM models and mechanical and electrical BIM models based on the dimensions of the construction site; The second step is to merge the MEP BIM model and the civil engineering BIM model, and then perform MEP-Structure clash checks and MEP-MEP clash checks separately. The third step is to conduct on-site roaming checks, clearance checks, and equipment transport channel verification. The fourth step is to adjust the MEP BIM model to achieve comprehensive balance of MEP pipelines by combining the results of MEP and structural collision checks, MEP and MEP collision checks, walkthrough checks, clearance checks, and equipment transport channel verification. The fifth step is to establish a three-dimensional coordinate system in the integrated electromechanical pipeline BIM model and decompose the electromechanical BIM model into segments. The sixth step is to create the overall construction drawings and the manufacturing engineering drawings for each section; The specific steps of S20 include: The first step is to inspect the construction materials; The second step is to clean the construction materials that have passed inspection before they are used. The third step is to lay out and cut the cleaned construction materials according to the manufacturing engineering drawings, process the air ducts and make the seams. The fourth step is to set location markers on the completed air ducts; The fifth step is to clean the finished ductwork with the location markers already set. The sixth step is to inspect and accept the finished cleaning of the air ducts; The seventh step is to seal the openings of the ducts that have completed inspection and acceptance and store them in the warehouse. The specific steps for setting position markers on the processed air ducts are as follows: Based on the three-dimensional position of each decomposed duct segment, a QR code is assigned to each duct segment; the QR code is then printed on the finished duct. Specifically, the setting of position markers on the processed air ducts involves: attaching RFID tags to each air duct segment based on the three-dimensional position of each segment after decomposition. The specific steps for setting position marks on the processed ductwork are as follows: based on the three-dimensional position of each decomposed ductwork segment, set detachable puzzle pieces that are compatible with adjacent ductwork segments on the processed ductwork segments. The specific steps for cleaning the finished air ducts with pre-marked locations are as follows: The first step is to reapply the substandard adhesive. The second step is to wipe the outer surface of the air duct; The third step is to wipe away any dust from the inner surface of the air duct. Fourth step: Wipe the inner surface of the duct with trichloroethylene or diluted ethanol or an active cleaning agent to remove all oil layers and stains; The fifth step is to air dry or blow dry the cleaned air ducts. Step 6: Use a white silk cloth to check the cleaning quality of the inner surface of the air duct. If the white silk cloth does not leave any dust or oil stains, the cleaning is considered satisfactory. Step 7: Seal and protect both ends of the duct with plastic film and adhesive tape; The specific steps of S30 include: The first step is to fabricate and arrange the supports and hangers according to the construction drawings, and to lay out the ground air vents and wall projection lines. The second step is to transport the ductwork to the installation site, arrange the ductwork according to the location markings, and clean the inner and outer surfaces and seams of the sheet metal. The third step is to modularly assemble and install the air ducts; The fourth step is to seal the ports of the installed duct.

2. The construction method for a cleanroom air conditioning system according to claim 1, characterized in that, The specific steps of S40 include: The first step is to inspect and clean the air conditioning equipment. The second step is to hoist the cleanroom air conditioning equipment and fabricate and install the piping after it has been inspected, cleaned and verified to be in good condition. The third step is to conduct a load test run on the installed air conditioning equipment.

3. A cleanroom air conditioning system, comprising an air duct (10) and a cleanroom air conditioning unit (20), wherein the end of the air duct (10) is provided with a seam (11), characterized in that, The air duct (10) and the air purification equipment (20) are installed using a construction method for an air purification system as described in any one of claims 1 to 2.

Citation Information

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