CN108386722B - Model selection method of gas pressure regulating cabinet - Google Patents
Model selection method of gas pressure regulating cabinet Download PDFInfo
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- CN108386722B CN108386722B CN201810210043.0A CN201810210043A CN108386722B CN 108386722 B CN108386722 B CN 108386722B CN 201810210043 A CN201810210043 A CN 201810210043A CN 108386722 B CN108386722 B CN 108386722B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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Abstract
The invention relates to a model selection method of a gas pressure regulating cabinet, which comprises functional design and process optimization, wherein the functional design comprises the steps of determining the specification of a gas pipeline and the specification of a flowmeter according to the gas flow and the pressure of an inlet and an outlet; determining a gas path form according to requirements; determining the specification of a voltage regulator according to the voltage regulating range; and the connection design is completed, and the corresponding functional requirements are met; the process optimization comprises the steps of selecting a gas pressure regulating cabinet with a proper size according to the rough design, and completing the assembly design in the gas pressure regulating cabinet, so that all parts in the cabinet have no conflict, and the feasibility of construction and operation and maintenance is met. The invention divides the whole design process into two parts, wherein the first part realizes the function and meets the requirements of users; the second part of process optimization ensures the feasibility and reliability of engineering and operation and maintenance. And the white investment and waste of a large amount of workload are prevented.
Description
Technical Field
The invention relates to a type selection method of a gas pressure regulating cabinet, and belongs to the technical field of gas pressure regulation.
Background
The design of the gas pressure regulating cabinet firstly needs to meet the requirements of customers, reaches the gas amount required by the users, meets the outlet gas pressure required by the users, meets the pipeline configuration (such as one-way, one-way plus bypass, two-way and the like) required by the users, and also meets the pressure fluctuation range of the output gas so as to prevent the damage of equipment. On the premise of meeting the requirements of customers, the gas facilities are ensured not to conflict with each other when being installed, the gas equipment has reasonable operation space and sufficient overhaul space on the premise of occupying as small space as possible; reasonable support needs to be considered, the hoisting requirement is met, and the like; in addition, the distance between the installation area of the pressure regulating cabinet and the main gas pipe network can influence the air intake quantity and the air pressure of the pressure regulating equipment to a certain extent; therefore, in order to meet the requirements of customers and reasonably install equipment, a large amount of design and modification work needs to be repeated by gas engineering designers, a large amount of manpower and material resources need to be consumed by designing a gas pressure regulating cabinet which simultaneously meets the requirements of customers and reasonably installs layout, and after all design is completed, if the scheme is not implemented any more due to reasons such as change of the requirements of customers, the early investment and the whole waste of the work can be caused.
At present, the design of the gas pressure regulating cabinet still continues to use the traditional CAD software to carry out two-dimensional drawing, then the gas pressure regulating cabinet enters a workshop to carry out production and assembly, and finally the gas pressure regulating cabinet is transported to the site to be butted with the original gas pipe network. The design of the gas pressure regulating cabinet is greatly influenced by site distance limitation, the inlet and outlet directions of an original pipe network, the flow size, the pressure regulating and metering functions and other requirements, the requirements of users are different from the actual conditions on site, proper design schemes need to be made by combining different conditions, designers carry out two-dimensional design according to experience and imagination, often the problems that the space layout is unreasonable, the maintenance interval is insufficient, equipment is erected, the position of a valve is not proper and the like are discovered even after production is completed in the production process, the production efficiency is influenced, the resource waste is caused, and the potential safety hazard is even caused. Meanwhile, the construction according to the plan view also has higher requirements on the space imagination of production personnel, and the situations of pipeline malposition and component misconnection are easily caused. In the middle of the management and control to the material, the designer need carry out the tabulation to used material in the drawing and count, because purchase procedure is long, in case the condition of neglected election, wrong selection appears, the production task is urgent again, often will be used for the same kind of part of other projects and transfers the usefulness, causes material in-service use to be inconsistent with the design, all brings very big trouble to later stage asset statistics and operation maintenance. Moreover, when a part has a problem and needs to be maintained, because a user does not know the process and the equipment, the description of the problem is not clear, and deviation is easily caused, a maintenance worker cannot prejudge the problem and can only carry out maintenance after field inspection for many times, the untimely information reduces the maintenance efficiency, and meanwhile, if the data of the equipment is lost, potential safety hazards are easily caused.
Disclosure of Invention
The invention aims to provide a model selection method of a gas pressure regulating cabinet, which is used for solving the problems of complex design, low efficiency and high rework rate of the gas pressure regulating cabinet.
In order to achieve the above object, the scheme of the invention comprises:
the invention discloses a type selection method of a gas pressure regulating cabinet, which comprises the following steps:
1) acquiring basic demand information, wherein the basic demand information comprises gas flow, gas pressure, gas path form and pressure regulating range;
2) determining the specification of a gas pipeline, the specification of a flowmeter and the form of a valve according to the gas flow and the gas pressure, and determining the specification of a pressure regulator according to the pressure regulating range; connecting a pressure regulator, a flowmeter and a valve with a gas pipeline according to corresponding gas path forms to obtain a function model selection design;
3) acquiring detail type selection information, wherein the detail type selection information comprises the distance from an installation site of a gas pressure regulating cabinet to a gas main pipe network, construction operability and operation and maintenance operability;
4) determining the type of a pressure regulator according to the distance from the installation site of the gas pressure regulating cabinet to a gas main pipe network, and adjusting the gas path distance, the pressure regulator, the flow meter and the installation position of a valve in the function type selection design according to the construction operability and the operation and maintenance operability to obtain an optimized design;
5) and selecting the gas pressure regulating cabinet box body with the smallest occupied space according to the optimized design.
Further, the detail type selection information further includes a gas user type, and in step 4), the type of the pressure regulator is further selected according to the gas user type before the type of the pressure regulator is determined.
Furthermore, the gas path type comprises a single gas path, a single gas path plus a bypass gas path, a double gas path plus a bypass gas path.
Further, the valve types include butterfly valves and ball valves.
Further, the voltage regulator category includes direct voltage regulation and indirect voltage regulation.
Further, in the step 5), after the gas pressure regulating cabinet box body is selected, support piece arrangement design is carried out according to construction operability and operation and maintenance operability, and the support piece arrangement design further meets the hoisting requirement of the gas pressure regulating cabinet box body.
The invention has the beneficial effects that:
the method of the invention separately carries out the function realization of the gas pressure regulating cabinet and the detailed design of arrangement, installation and the like, and can carry out the process optimization design of installation and arrangement after the function design is finished and the customer is satisfied; the change of customer's functional requirement like this only needs the relatively less functional design of adjustment work load, need not adjust whole designs, when customer's demand satisfies, carry out the installation of scene again and the optimization of the design process that arranges of equipment, combine together customer's demand and on-the-spot actual conditions, satisfy the requirement such as spatial layout, overhaul interval, valve position again under customer's the prerequisite, improve design efficiency greatly, also prevented to revise the material resource waste that leads to because of the design is repeated, realized satisfying the most reasonable installation arrangement design under the customer demand prerequisite at last, reduce the potential safety hazard in construction and the use.
Drawings
FIG. 1 is a gas regulator cabinet body;
FIG. 2 shows a 500m view3A gas pressure regulating cabinet main body;
FIG. 3 is 3000m3Gas regulator cubicle main part.
Wherein 1 is the box, 2 is the filter, 3 is the manometer, 4 is the pressure regulator, 5 is the pipe of diffusing, 6 is the branch trachea, 7 is the valve, 8 is the flowmeter.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Aiming at the defects in the prior art, the invention provides a design and production method of a gas pressure regulating cabinet based on BIM and VR (virtual reality technology), wherein the BIM and VR principle application concept based on BIM and VR is as follows:
a BIM building information model is a basis which takes various relevant information data designed and produced with a gas pressure regulating cabinet as a model, the gas pressure regulating cabinet model is established, real information of the gas pressure regulating cabinet is simulated through digital information simulation, VR virtual reality is realized, a virtual world of a three-dimensional space of the gas pressure regulating cabinet is generated by utilizing computer simulation, as shown in figures 1, 2 and 3, simulation of sense organs such as vision, hearing, touch and the like is provided for designers, producers and users, the users can observe the gas pressure regulating cabinet in the scene, optimization suggestions are provided for the gas pressure regulating cabinet design from different angles of design, production and use, and then overall planning, resource integration and imaging relation are realized. Through the establishment of VR model, to different projects, the designer can in time change the design according to actual air supply position, place size, maintenance requirement, technology requirement etc. and adjustment valve size and position, pipeline interval, diffuse height etc.. Meanwhile, with the help of the brand-new sale mode of the VR technology, a user can see the result of the finally produced gas pressure regulating cabinet in a short time, the distance can be conveniently and directly measured, and civil engineering work can be carried out in advance.
The method mainly comprises the following steps:
1) functional design: and basic requirement information of a user on the gas pressure regulating cabinet is acquired, and function establishment is carried out on the gas pressure regulating cabinet in response to the personalized customization requirement of the user. Determining the specification of a gas pipeline, the specification of a flowmeter and a valve type according to the gas flow and the inlet and outlet pressure required by a user, wherein the specific valve type comprises a butterfly valve or a ball valve and the like; selecting gas path forms according to customer requirements or requirements, such as gas path forms of a single gas path, a single gas path plus a bypass gas path, a double gas path plus a bypass gas path and the like; and determining the specification of the voltage regulator according to the voltage regulating range. And generating a user personalized gas pressure regulating cabinet based on the BIM according to the selection, and realizing the visual effect in the design process. And constructing a component family library for all components, wherein the three grades comprise: the first grade comprises parameterized group files of a filter group, a pressure regulator group, a flow meter group, a valve group, a gas distribution and distribution pipe and the like; the second grade comprises a main body group and a box body group of files of the gas pressure regulating cabinet; third grade, including 300m3Gas pressure regulating cabinet, 500m3Gas regulator cabinet, 1000m3 gas regulator cabinet and 3000m3Gas pressure regulating cabinet family file. In the preliminary functional design, the connection of the pressure regulator, the flowmeter and the valve according to the running of the corresponding gas circuit is completed on design software, and a functional design scheme meeting the requirements of a user is visually and stereoscopically presented on the software in a three-dimensional model mode for the user to refer to.
After the functional design is completed, if the user needs to change, for example, a larger gas flow, a larger gas outlet pressure or a change range of the outlet gas pressure is needed to be adjusted, only the specification of the pipeline needs to be adjusted, pipelines with different thicknesses and different pipe wall thicknesses are used instead, a component which meets the user needs after the change is selected from a corresponding component family library, and only the functional design is modified.
2) The process optimization: and selecting a proper gas pressure regulating cabinet box body according to actual conditions of different projects, and performing optimization and model selection on the personalized gas pressure regulating cabinet model. The method comprises the following steps that a designer visually finds out whether the placement of each part conflicts or not, whether the operability of construction and installation is met or not, whether the maintenance interval is sufficient or not, whether the operability of operation and maintenance is met or not and the like by using a virtual reality technology, so that problems are found in time, and optimizes a design scheme by combining the requirements of actual gas source positions, site sizes, maintenance, processes and the like, wherein the design scheme comprises the steps of selecting the types (indirect pressure regulation is mainly used for industrial users and direct pressure regulation is mainly used for household users) and specific models of gas components including a pressure regulator according to the distance from a pressure regulating cabinet installation site to a gas main pipe network and the types (industrial users or; the size and the position of the valve are adjusted, so that the action of operable components such as the valve and the like is not in conflict with other components, and enough space is provided for workers to operate; the reasonable pipeline spacing is ensured, so that the pipelines have enough overhaul space, and the requirements of disassembling and replacing components in daily operation and maintenance are met; and determining the diffusing height according to the actual situation on site, and the like. Finally, a design scheme is determined, and a gas pressure regulating cabinet box body with the minimum occupied space is selected according to the final design scheme. After selecting the gas regulator cabinet box, still carry out support piece arrange the design, support piece chooses for use the channel-section steel, and on the channel-section steel of as support piece arranged the basis that should satisfy gas regulator cabinet box hoist and mount requirement, possessed construction maneuverability and did not influence the fortune dimension maneuverability of gas regulator cabinet. And finishing the optimization model selection design.
This step is for realizing, among the actual project, on the basis of the preliminary design scheme of the gas regulator cubicle that corresponds the size, need design the exit direction of gas regulator cubicle according to the position of air supply pipeline, because the size of each part is also different under the different pipe diameters, so need also adjust the length and the interval of pipeline according to the part size of actual selection, look for can guarantee to reach the design requirement and satisfy the maintenance interval again, and the reasonable best scheme of spatial layout. Meanwhile, the virtual reality technology is utilized to visually see the molded appearance of the gas pressure regulating cabinet, the maintenance condition is simulated, and unreasonable parts are improved, so that the design scheme is optimized.
3) Production, installation and management: after the final scheme is determined, the model automatically generates a detailed material list, purchasing personnel perform material preparation in order according to the type and the number of each component, construction personnel perform production of the gas pressure regulating cabinet according to the process flow, and installation, box body hoisting and assembly of each component are finished visually by combining the three-dimensional model, so that the possibility of rework is reduced, and the production efficiency is improved. And paste the two-dimensional code that contains equipment information on voltage regulator, flowmeter, manometer and the box, wherein contain the design, production, transportation, fortune dimension information of project name and each equipment, the project handing-over and the operation maintenance in the later stage of being convenient for.
4) Analyzing the manufacturing cost and the engineering quantity: data such as purchasing unit price, required engineering quantity, labor cost and the like of each part of the gas pressure regulating cabinet are imported through the established model, and intelligent analysis is carried out on raw material supply capacity, workshop processing capacity and equipment storage space, so that cost analysis and engineering quantity control of each stage of the whole gas pressure regulating cabinet production are carried out.
5) Operation and maintenance: after the project is handed over, the gas pressure regulating cabinet and the established project model are handed to the user together, and once a problem occurs, the user can directly check all information of the equipment, such as a manufacturer, a delivery date, an inspection date, a maintenance person, a notice, a contact telephone and the like, by scanning the two-dimensional code. After the maintenance, the accident condition and the maintenance content can be input into the two-dimensional code, so that the later inquiry is facilitated, the operation and maintenance efficiency is improved, and the accident potential is reduced.
Compared with the prior art, the invention has the beneficial effects that:
1) the whole design process is divided into two parts, wherein the first part realizes functions and meets the requirements of users; the second part of process optimization ensures the feasibility and reliability of engineering and operation and maintenance. And the white investment and waste of a large amount of workload are prevented.
2) Through the comparison of the three-dimensional schemes in the early stage of design, the virtual reality technology is intuitively felt, the reasonable optimization of the system is realized, the unreasonable layout phenomenon is effectively avoided, the rework rate is obviously reduced, and the cost of manpower and material resources is saved.
3) The difficulty of identifying drawings by production personnel is reduced, and the production efficiency is improved.
4) Information integration of all parts, intelligent generation bill of materials, artificial engineering quantity and cost analysis, and convenient control of manufacturing cost and quality.
5) The operation and maintenance informatization is beneficial to improving the operation and maintenance efficiency and reducing the accident potential.
Claims (6)
1. A model selection method of a gas pressure regulating cabinet is characterized by comprising the following steps:
1) acquiring basic demand information, wherein the basic demand information comprises gas flow, gas pressure, gas path form and pressure regulating range;
2) determining the specification of a gas pipeline, the specification of a flowmeter and the form of a valve according to the gas flow and the gas pressure, and determining the specification of a pressure regulator according to the pressure regulating range; connecting the pressure regulator, the flowmeter and the valve with a gas pipeline according to corresponding gas path forms to obtain a functional model selection design and realize the functional design of the gas pressure regulating cabinet;
3) acquiring detail type selection information, wherein the detail type selection information comprises the distance from an installation site of a gas pressure regulating cabinet to a gas main pipe network, construction operability and operation and maintenance operability;
4) determining the type of a pressure regulator according to the distance from the installation site of the gas pressure regulating cabinet to a gas main pipe network, adjusting the gas path distance, the pressure regulator, the flow meter and the installation position of a valve in the function selection design according to the construction operability and the operation and maintenance operability, obtaining an optimized design, and realizing the detailed design and process optimization of site installation and equipment arrangement;
5) and selecting the gas pressure regulating cabinet box body with the smallest occupied space according to the optimized design.
2. The model selection method of the gas pressure regulating cabinet according to claim 1, wherein the detail model selection information further includes a gas user type, and in the step 4), the type of the pressure regulator is further selected according to the gas user type before the type of the pressure regulator is determined.
3. The type selection method of the gas pressure regulating cabinet according to claim 1, wherein the gas path type comprises a single gas path, a single gas path + bypass gas path, a double gas path + bypass gas path.
4. The method of claim 1, wherein the valve pattern comprises a butterfly valve and a ball valve.
5. The model selection method of the gas pressure regulating cabinet according to claim 2, wherein the types of the pressure regulator comprise direct pressure regulation and indirect pressure regulation.
6. The type selection method of the gas pressure regulating cabinet according to claim 1, characterized in that in the step 5), after the gas pressure regulating cabinet box body is selected, support piece arrangement design is further carried out according to construction operability and operation and maintenance operability, and the support piece arrangement design further meets the hoisting requirement of the gas pressure regulating cabinet box body.
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| CN108386722B true CN108386722B (en) | 2020-05-05 |
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Effective date of registration: 20210914 Address after: Room 201, North office building, 175 Jingbei 4th Road, Zhengzhou area, Henan pilot Free Trade Zone, Zhengzhou City, Henan Province, 450000 Patentee after: Runkong (Zhengzhou) Intelligent Equipment Co.,Ltd. Address before: Card 1, 2, 3, 11 and 12, 20 / F, international financial center, no.16-3, Zhongshan Third Road, East District, Zhongshan City, Guangdong Province, 528400 Patentee before: Runzhi Technology Co.,Ltd. |
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