1、煤礦豎井井筒裝備制定施工方案須注意的問題Abstract: Based on a brief analysis of the coal mine shaft equipment installation, according to the particularity of shaft equipment installation engineering, puts forward shaft equipment installation engineering construetion plan formulation, demonstration process, has guiding s

2、ignificance for similar eng in eering construction of large shaft equipment Key words: coal mine shaft, shaft equipment installation, construction scheme, problemsAbstract:This paper has a brief analysis on the shaft equipment estaclishment construction shceme of coal mine vertical shafe, and accord

3、ing tothe particularity of the shaft equipment construetion project It provides the establishment of the shaft equipment construction project, demon-strating the attentive problems during the construction project This can guide the similar construction on large project of shaft equipment.Key, words:

4、 coal, mine, vertical, shaft, shaft, equipment, establishment, constructin, scheme, problemCoal mine shaft equipment installation project is a safety management, risk pressure, construction technology comprehensive strong unit project Shaft equipment construction scheme is the key technology of shaf

5、t equipment installation engineering, technology is important in the construction of shaft equipment should be completed before the start of the preparatory work, is to en sure the basic tech no logy to eliminate high-risk deep complex working environment has all kinds of security risks, to ensure t

6、he construction safety, construction quality, construction schedule control, improve the normal work the construction efficiency, reduce the cost of construction is of great significance. Therefore, we should pay attention to the following problems in the construction and implementation of the const

7、ruction plan1 construction plan demonstration principleShaft equipment is an important component of shaft hoisting system in coal mine As an upgrade system, it also includes large steel structure derrick, large fixed hoist equipment, and wellhead, bottom hole and other ancillary equipment Shaft equi

8、pment implementation in the construction organization, construction installation is not actually as a separate unit of the project, but the comprehensive construction units, such as mine construction investment and may need ladderway; shaft drainage, air pressure, sprinkler, grouting, cooling, gas d

9、rainage and ot her in dustrial pipelines; in high voltage power cable, low voltage, shaft communication, signal, control and monitoring of cable installation engineering units, with large amount of engineering and construction technology is complex, multi process parallel operation, high density, co

10、nstruction environment, wellbore safety protection, the quality control of difficult jobs A number of engineering units with the shaft equipment synchronous pipelining construction, this is the requirements of the construction unit of the mine total construction period, can reflect the ability of co

11、nstruction organization construction team and a comprehensive technical level can meet, meet the needs of social economic development, but also the construction unit by optimizing the overall construction plan, the basic requirements, effectively accelerate the construction progress to reduce the co

12、nstruction cost, improve economic efficiency Therefore, to develop a good construction plan, should consider the comprehensive analysis of all relevant factors on the shaft equipment installation engineering, making construction plan should follow the following principles: 1) to consider the commonn

13、ess and characteristics of the project and similar projects, forming a preliminary feasibility scheme, project planning, technology (with a comprehensive review of design drawings) 2) we should consider the site natural environment conditions (site investigation, construction conditions, operating e

14、nvironment) 3) should consider to meet the requirements of the contract period (in the key work line to take technical measures, reasonable shorten construction period) 4) to consider the feasibility and continuity of simultaneous construction technology (quality assurance, effective joint construct

15、ion of process nodes) 5) we should consider the ability of construction organization and the level of construction technology and equipment 6) we should analyze and identify major or critical safety risk sources in the operating environment and take effective safety precautions,The safety risk facto

16、rs and control requirements of each link of the construction should be considered comprehensively. 7) determine the construction plan to carry out technical and economic evaluation2 construction plan to prove the original data required to complete a construction plan, but also seriously collect, col

17、late, verify the following relevant sources: 1) design and construction drawings. 2) construction, location and measurement data of the well head, bottom hole and shaft 3) relevant meeting minutes and minutes from the project construction drawings 4) related technical documents and engineering quali

18、ty specifications and standards 5) safety regulations, procedures, regulations, and documents relating to safety management 6) condition of well bore equipment Such as the retaining facilities in the shaft, the thickness and strength of the shaft lining concrete; the shaft passes the quicksand layer

19、, the elevation of the coal seam, position, etc7) wellbore ventilation and safety management requirements 8) water gushing, water gushing and measuring data 9) inspection record of well bore equipment The main defects are the verticality, concentricity and hole of the shaft, which will affect the lo

20、cation of the installation of the shaft equipment.10) the layout of the existing buildings and facilities on the wellhead site 11) own, can adjust the leased equipment, test and test instrument list 12) the supply of materials involved in the design drawings3 the main points of construction scheme d

21、emonstrationAccording to the principle of scheme demonstration and the original data collected, a construction plan of shaft equipment should be worked out At the same time, the following problems should be considered comprehensively. These technical problems are the main contents of the constructio

22、n plan.1) what kind of lifting container and lifting method are adopted to solve the problem of hoisting and well entry for construction personnel, and the requirements for project safety and protection are raised clearly, and the safety of construction personnel is guaranteed.2) the construction pe

23、rsonnel construction in the wellbore required work platform (that is usually referred to themultilayer hanging plate, hereinafter referred to as the hanging plate), hanging plate design structure and structural strength and construction personnel safety protection, hanging plate can meet the constru

24、ction schedule control and each class should complete the project requirements, whether meet the process of synchronous construction, guarantee the next step and the next crew may require continuous construction3) how to realize the quick conversion of the working procedure of the standard and non s

25、tandard sections and the effective overlap of the process conversion4) what are the materials and components needed for the construction of the shaft equipment? The method is used to raise, transport, and construct the hoisting disk position in the shaft so as to ensure the construction schedule of

26、the operation team 5) before the installation of steel wall of the base is how to achieve the fast measurement of borehole position number to determine the position of anchor hole, how to quickly find it installed steel wall seat, beam seat, pipe beam, pipeline and other components, and the amount o

27、f time needed to determine the precise place6) how to solve the welding operation methods of the shaft, the industrial pipeline, the well entrance, the hoisting and the bore pipe interface, and solve the power supply safety problem of the power supply in the well bore welding operation7) to ensure t

28、he shaft equipment installation construction quality inspection and control, construction safety control and protection work should focus on solving several key technical problems: A. installed measuring steel wire and installation process quality inspection method, quality should meet the requireme

29、nts of norms and standards, and to facilitate the construction personnel operation Structure design and strength check of B. hoisting plate in shaft Technical requirements for hoisting of hoisting disk in C. shaft D how can the lifting container be temporarily raised in the wellbore to meet the mand

30、atory requirements of the relevant safety regulations? How does E arrange temporary lifting signals and visual surveillance systems? F. wellhead temporary safety closed wheel arrangement, we should consider the lifting container, lifting material in the wellbore, the wellbore at the same time to ens

31、ure the safety of construction workers, to meet the requirements of ventilation safety management; making use of steel structure and flame retardant materials, comply with fire safety regulations Type selection calculation and safety strength check of G. temporary lifting equipment and suspension. H

32、 in accordance with the requirements of safety management of shaft ventilation, such as water gushing from well bore and gushing water, passing through quicksand section or over coal seam section, relevant special safety technical measures must be formulated. I. construction site of theconstruction

33、process, involving environmental protection, occupational health special measures8) compile the construction schedule, control plan, time scale, network diagram9) draw up the distribution chart of each worker during each operation.A complete construction plan of shaft equipment mainly includes the f

34、ollowing aspects: 1) general situation of the project 2) construction plan. 3) construction labor organization and post technical work arrangement 4) calculation of large lifting equipment selection. 5) construction equipment and equipment list.6) construction schedule, time scale, network diagram 7

35、) drawings: large lifting equipment and materials, wellhead layout plan Layout of steel wire for shaft survey. Hanging plate processing and installation structure drawing Derrick sheave wheel platform layout Layout of shaft section lifting facilities Wellhead safety closure layout Sectional drawing

36、of well equipment Layout design of shaft section (original design and construction drawing) Layout plan of bottom nonstandard layer (original design and construction drawing) Compile time scale network diagram of construction progress control plan. Draw up the distribution chart of each operator dur

37、ing each shift Draw up temporary power supply system diagram for construction site4 ConclusionShaft construction scheme is a technical document of comprehensive process technology, safety control, schedule control and cost contro1. In the development of the construction program, to boldly carry out

38、technological innovation, to improve the traditional technology, active learning, digestion and absorption, promote application of new technology, in order to improve work efficiency, promote the rapid construction, shorten construction period and reduce the security risk management pressure; at the

39、 same time must go through multiple schemes optimization, in order to reflect the the advanced technology and construction efficiency, the construction organization design documents can guide the construction of normal construction technology can be implemented smoothly, to achieve continuous operat

40、ion, construction personnel clear objectives, application of guarantee construction quality and construction safety control, comprehensive quality and efficient completion of construction tasks.This paper is based on years of production experience and lessons, systematically introduces the principle

41、 and the construction scheme and proved some problems, it has guidance significanee for the construction of large project of shaft equipment; in the development should pay attention to and solve the main problems and put forward the scheme demonstration of shaft equipment in construction points for Tongren reference in practical workReferenee: 1 Yan Junhui, 000 over, Lili soup 1000 meter Shafi Mechanized construction technology discussion J Shanxi architecture, 2009, 35 (8): 174-175.