GB 51011-2014 English PDF (GB51011-2014)

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GB 51011-2014: Code for construction and acceptance of coal mine preparation equipment installation engineering
GB 51011-2014
UDC GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
P GB 51011-2014
Code for construction and acceptance of coal mine
preparation equipment installation engineering
ISSUED ON: JULY 13, 2014
IMPLEMENTED ON: MAY 01, 2015
Jointly issued by: Ministry of Housing and Urban-Rural Development of the
People’s Republic of China;
General Administration of Quality Supervision, Inspection and
Quarantine.
Table of Contents
1 General provisions ... 10
2 Terms ... 11
3 Basic regulations ... 12
4 Installation work of coal feeding equipment ... 16
4.1 Installation of reciprocating feeder ... 16
4.2 Installation of electromagnet vibrating feeder ... 16
4.3 Installation of disk coal feeder ... 17
4.4 Installation of impeller coal feeder ... 18
4.5 Installation of variable-speed motor vibration coal feeder ... 18
4.6 Installation of a-belt feeder ... 19
4.7 Installation of dragging coal feeder ... 19
4.8 Installation of chain and pendulum feeder ... 20
4.9 Installation of coal gate ... 20
4.10 Test run ... 21
5 Installation work of crushing equipment ... 22
5.1 Installation of roll crusher ... 22
5.2 Installation of hammer crusher ... 23
5.3 Installation of jaw crusher ... 23
5.4 Installation of impact crusher ... 25
5.5 Installation of ball mill ... 25
5.6 Installation of gyratory crusher ... 28
5.7 Installation of cone crusher ... 29
5.8 Test run ... 32
6 Installation work of screening equipment ... 35
6.1 Installation of base-type vibrating screen for mine ... 35
6.2 Installation of rotating probability screen ... 36
6.3 Installation of sieve bend ... 38
6.4 Electromagnetic vibration vortex screen... 38
6.5 Test run ... 39
7 Installation work of washing equipment ... 40
7.1 Installation of movable sieve jig ... 40
7.2 Installation of jigger ... 40
7.3 Installation of heavy medium shallow slot separator ... 41
7.4 Installation of inclined wheel heavy medium separator ... 42
7.5 Installation of heavy medium cyclone ... 43
7.6 Installation of hydraulic cyclone ... 43
7.7 Installation of coal slime separator ... 44
7.8 Installation of spiral separator ... 44
7.9 Installation of grading cyclone group ... 45
7.10 Installation of drum-roller magnetic separator ... 45
7.11 Test run ... 46
8 Installation work of dewatering equipment ... 47
8.1 Installation of horizontal vibrating centrifugal dehydrator ... 47
8.2 Installation of vertical vibrating centrifugal dehydrator ... 48
8.3 Installation of screen-bowl centrifugal dehydrator ... 48
8.4 Installation of drum drier ... 49
8.5 Test run ... 51
9 Installation work of flotation equipment ... 52
9.1 Installation of mixing tank ... 52
9.2 Installation of pulp conditioner ... 52
9.3 Installation of pulp preprocessor ... 53
9.4 Installation of flotation machine ... 54
9.5 Installation of pharmacy station equipment ... 55
9.6 Installation of water-ring vacuum pump (or liquid ring compressor) ... 56
9.7 Installation of inside filtering surface drum vacuum filter ... 57
9.8 Installation of outside filtering vacuum filter ... 58
9.9 Installation of pressure disc filter ... 60
9.10 Installation of flotation column (bed) ... 61
9.11 Test run ... 62
1 General provisions
1.0.1 This specification is formulated to ensure the construction quality of coal
preparation equipment installation engineering, unify the construction and acceptance
standards of coal preparation equipment installation engineering, promote the
advancement of installation technology, and ensure the safe operation of equipment.
1.0.2 This specification applies to the construction and acceptance of coal preparation
equipment installation engineering.
1.0.3 The construction and acceptance of coal preparation equipment installation
engineering shall comply with the provisions of relevant national standards in addition
to complying with this specification.
3 Basic regulations
3.0.1 The construction site shall be equipped with corresponding technical standards
and construction technical documents approved by the technical person in charge of the
unit, and shall be provided with a sound quality management system, quality control
and inspection system.
3.0.2 The installation engineering of coal preparation equipment shall be constructed
according to the design documents. When the design drawings need to be modified
during construction, there shall be a design change notice or technical approval
certificate provided by the design unit.
3.0.3 Welders shall pass the examination and obtain a qualification certificate, and
perform welding within the approved scope of the items for which they have passed the
examination.
3.0.4 The installation of coal preparation equipment shall be carried out according to
the prescribed procedures; the relevant professional trades shall be handed over and
inspected, and records shall be kept; each process shall be subject to quality control
according to the construction technical standards, and after each process is completed,
it shall be inspected and a construction record shall be kept. The next process cannot be
carried out without inspection and approval of the previous process.
3.0.5 Before installing the equipment, the following inspections and acceptances shall
be carried out:
1 Packing list, product certificate, product use and maintenance instructions, product
testing and inspection report, equipment installation diagram and other equipment
accompanying technical documents;
2 Equipment appearance including corrosion, deformation and damage;
3 Accompanying components such as various parts, components, accessories and
special tools.
3.0.6 Before installing the equipment, the equipment foundation shall be inspected and
accepted. The equipment foundation inspection and acceptance shall include the
foundation cross line, foundation elevation, main reserved bolt hole position and depth,
main embedded parts position, embedded bolt position deviation, and whether the
foundation surface quality meets the installation requirements.
3.0.7 The materials used in the installation engineering shall comply with the
requirements of the design and product standards and shall have a certificate of
conformity. The materials shall be inspected and accepted before installation and
records shall be kept. New materials or new equipment used in the equipment
installation engineering shall be provided with appraisal certificate or test report.
3.0.8 Before equipment foundation grouting and other concealed works are concealed,
the construction unit shall notify the relevant units for acceptance and a concealed work
acceptance document shall be formed.
3.0.9 The quality acceptance of coal preparation equipment installation engineering
shall be carried out according to subdivision work, divisional project and unit project,
based on the self-inspection of the construction unit and the qualified pre-acceptance of
the supervision unit. The division of unit project, divisional project and subdivision
work shall comply with the provisions of Appendix A of this Code. Quality acceptance
shall be carried out in accordance with the relevant provisions of the current national
standard Unified standard for constructional quality acceptance of industrial
installation engineering GB 50252.
3.0.10 The quality acceptance record of equipment installation engineering shall
comply with the following provisions:
1 The q...