JB/T 3686.1-1999 Coal flotation machine

This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, labeling, instruction manual, packaging, transportation and storage of XJM coal flotation machines. This standard applies to XJM coal flotation machines. This product is mainly used for the flotation of coal slime below 0.5mm, and can also be used for the flotation of metals, rare metals, ferrous metals and non-metallic minerals. JB/T 3686.1-1999 Coal flotation machine JB/T3686.1-1999 standard download decompression password: www.bzxz.net

ICS73.120
Machinery Industry Standard of the People's Republic of China
JB/T3686.1-1999
Subaeration flotation machine for coal
Subaeration flotation machine for coalPublished on 1999-06-28
National Bureau of Machinery Industry
Implemented on 2000-01-01
JB/T3686.1-1999
This standard is a revision of ZBD9600187 "XJM Coal Flotation Machine". Compared with ZBD9600187, the main technical content of this standard has been changed as follows: the test method has been clarified. This standard replaces ZBD96001-87 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Standardization of Mining Machinery. The responsible drafting unit of this standard is CITIC Heavy Machinery Company. The main drafters of this standard are Xu Hua, Li Zeli, Zhang Xuehan, Chen Ming and Huang Jialin. 1 Scope
Machinery Industry Standard of the People's Republic of China
Subaeration flotation machine for coal
Subaeration flotation machine for coalJB/T3686.1-1999
Replaces ZBD96001-87
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, labeling, instruction manual, packaging, transportation and storage of XJM briquette flotation machine. This standard is applicable to XJM briquette flotation machine. This product is mainly used for the flotation of coal slime below 0.5mm, and can also be used for the flotation of metals, rare metals, ferrous metals and non-metallic minerals. 2 Referenced standards
The provisions contained in the following standards constitute the provisions of this standard through reference in this standard. When this standard is published, the versions shown are valid. All standards will be revised, and the parties using this standard should explore the possibility of using the latest versions of the following standards. GB191—1990
GB/T 6991988
GB/T 1348—1988
GB/T63881986
GB/T 9439—1988
GB/T9969.1—1988
GB/T133061991
JB/T16041998
JB/T3686.2—1999
Packaging, storage and transportation pictorial signs
High-quality carbon structural steel
Ductile cast iron
Transportation packaging delivery and receipt signs
Gray iron castings
Industrial product manual
Mining machinery product model compilation method
Coal flotation machine test method
JB/T5000.12—1998
3 General technical conditions for heavy machinery painting
3 Product classification
XIM coal flotation machine is a mechanical stirring, down-suction feeding type flotation machine. The product can be supplied in the form of four, five or six tanks per unit, and the operating hand wheel can be installed on the left or right. 3.2 Model
The product model representation method shall comply with the provisions of JB/T1604X
Approved by the State Machinery Industry Bureau on 1999-06-28M
Single tank volume, m2
Mechanical stirring type
Flotation machine
Implementation on 2000-01-01
3.3 Basic parameters
JB/T3686.1-1999
XJM The basic parameters of the flotation machine for briquette coal (hereinafter referred to as the flotation machine) shall comply with the provisions of Table 1. Table 1
Basic parameters
Single tank volume
Coal slurry processing capacity
Number of tanks
Impeller diameter
Impeller speed
Agitating mechanism motor power
Scraper speed
Overall dimensions
Machine weight
4 Technical requirements
Three general technical requirements
XIM-25
9550×2430
8600×3000
12700×3000
10850X3280
4.1.1 Flotation machines shall comply with the requirements of this standard and be manufactured according to the drawings and technical documents approved through the prescribed procedures. 4.1.2 Any general technical requirements not specified in this standard shall comply with the provisions of relevant national standards and industry standards. 4.2 Technical requirements for assembly
13480X3280
4.2.1 After all the tank bodies are connected, the overflow weir should be parallel to the horizontal line. The parallelism tolerance in the height direction should comply with the provisions of Table 2; Table 2
Parallelism tolerance
The scraper shaft should be in a straight line, the outer edge of the scraper should be 3~5mm away from the overflow weir, and the scraper should rotate flexibly without abnormal phenomena: 4.2.3 The impeller suction port should be aligned with the slurry suction flange, and its coaxiality tolerance is Φ5mm, and the gap should not be greater than 6mm4.3 Technical requirements for main components
4.3.1 Mixing mechanism
4.3.1.1 The axial and radial clearances between the stator and the impeller shall not exceed 8mm±1mm: 4.3.1.2 The stator guide plate and the tank guide plate should be aligned with each other and shall not be staggered; 4.3.1.3 The temperature rise of the main bearing shall not exceed 40℃. 4.3.2 Scraper mechanism
The scraper mechanism should ensure linearity after assembly and be flexible in rotation. 4.3.3 Tank body
JB/T3686.11999
The slurry suction holes of the tank body should be equidistant from the side walls around the tank body, and the deviation should not exceed 4mm; 4.3.3.1
4.3.3.2The height difference between the overflow weirs on both sides of the tank body and the horizontal plane of the foot should not exceed 3mm; 4.3.3.3 The tank body shall not be diamond-shaped after welding, the error of the diagonal length of the tank body shall not exceed 3/1000 of the diagonal length, and the verticality error of the side wall to the horizontal plane of the foot should not exceed 3mm; 4.3.3.4 The tank body must be inspected for kerosene leakage, and there should be no leakage. 4.3.4 Worm gear reducer
After the worm gear reducer is assembled, a no-load test shall be carried out, with the test speed between 1000~1500r/min, and the forward and reverse rotation shall be 2h each, and the following requirements shall be met:
a) It shall run smoothly without impact and obvious vibration;
There shall be no oil leakage on the joint surfaces and seals; the temperature rise of the reducer shall not exceed 40℃;
d) The gear contact surface shall not be less than 50% of the total length along the tooth length direction, and not less than 60% of the total tooth height along the tooth height direction. 4.4 Technical requirements for main parts
4.4.1 Impeller
The material shall be QT500-7 ductile iron specified in GB/T1348, and rubber-lined impellers are also allowed;4.4.1.1
A static balance test shall be carried out, and the static unbalanced torque shall meet the requirements of Table 3. 4.4.1.2
Static unbalanced moment
4.4.2 Stator
4.4.2.1 The material shall be OT500-7 ductile iron specified in GB/T1348: 4.4.2.2 The inner cone of the stator shall be corrected by a tool. 4.4.3 Hollow shaft
4.4.3.1 The performance of the material shall not be lower than that of 45 steel specified in GB/T699; 4.4.3.2 The hardness of the quenched and tempered steel shall be 197~235HB.
4.4.4 Large V-belt pulley
4.4.4.1 The material shall be HT150 gray cast iron specified in GB/T9439: 4.4.4.2 A static balance test shall be carried out, and the static unbalanced moment at the edge of the wheel shall comply with the provisions of Table 4. Table 4
Static unbalanced moment
Appearance quality requirements
≤0348
≤0343bzxZ.net
≤0500
Floatation machine painting shall comply with the requirements of JB/T5000.12, and the painted surface shall be evenly painted without defects such as cracks, bubbles and flow marks. 4.6 Scope of supply of complete set of floatation machine:
a) Complete set of mechanical parts:
b) Motor.
5 Test method
JB/T3686.11999
Floatation machine testing shall be carried out in accordance with the provisions of JB/T3686.2. 6 Inspection rules
6.1 Inspection classification
Floatation machine inspection is divided into factory inspection and type inspection. 6.2 Factory inspection
6.2.1 Each flotation machine must be inspected and qualified by the quality inspection department of the manufacturer before it can be shipped out of the factory. The documents proving the product’s qualification should be attached when it leaves the factory. 6.2.2 The contents of the factory inspection should include the mechanical properties test in JB/T3686.2.3 When producing single pieces in small batches, each flotation machine shall be inspected before delivery; when producing in batches, one shall be inspected for every 10 units produced. If the product fails to meet the standards, double inspection shall be conducted. If the product still fails to meet the standards, each unit shall be inspected. 6.3 Type inspection
6.3.1 Type inspection shall be conducted in any of the following cases: when new products or old products are transferred to the factory for production and identification: a)
When the product design, structure, process or material has been significantly modified and affects the product performance: c) When the product is resumed after a long period of suspension: when the results of the factory inspection vary greatly from the last inspection; d)
e) When the national quality inspection agency proposes a type inspection requirement. 6.3.2 The content of the type inspection shall include the mechanical property test, clean water performance test and industrial test specified in JB/T3686.2. 6.3.3 Type inspection shall be conducted on one unit selected from the products that have passed the factory inspection. If the inspection fails, double inspection shall be conducted. 7 Marking, labeling and instruction manual
Each flotation machine shall be equipped with a product label in a conspicuous position. Its type and size shall comply with the provisions of GB/T13306 and shall indicate the following contents:
a) Manufacturer name:
b) Product name and model:
c) Main technical parameters;
d) Factory number and manufacturing date.
7.2 A product instruction manual shall be prepared for the flotation machine, and its contents shall comply with the provisions of GB/T9969.1. 7.3 The packaging mark of the flotation machine shall comply with the provisions of GB/T6388 and GB191. 8 Packaging, transportation and storage
The packaging of the flotation machine is divided into closed packaging and naked packaging. 8.2
Product packaging shall comply with the requirements of land and water transportation. 8.3
Both the exposed processing surface and the internal processing surface shall be coated with anti-rust oil and covered with oil paper. 8.4
The label of the naked tank and the outer wall of the closed packaging box shall comply with the provisions of 7.3 and shall indicate the following:4
Consignor and consignee and address:
Product name and model:
JB/T3686.1-1999
Manufacturer name, product factory number and factory date; box number and transportation mark;
Net weight, gross weight and overall dimensions.
The random technical documents shall be packed in a plastic bag and packed in a comprehensive box. The following technical documents shall be attached:
a) Product certificate or quality certificate:
Packing list;
Installation drawing;
d) Installation and operating instructions
The flotation machine should avoid open-air storage.
Republic
Mechanical Industry Standard
Coal Flotation Machine
JB/T36861-1999
Published and distributed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry Printed by the Machinery Standardization Research Institute of the Ministry of Machinery Industry (No. 2 Shouti South Road, Beijing: Postal Code 100044)*
Format 880×1230
Sheet 1/2
Word Count 12000
First Edition in August 1999
First Printing in August 1999
Print Quantity 1-500
Price 500 Yuan
99-083
666989
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