Some standard content:
1CS73.120
Machinery Industry Standard of the People's Republic of China
JB/T8851-2001
Disc Vacuum Filter
Disc-type filter
2001-05-23 Issued
China Machinery Industry Federation
2001-10-01 Implementation
JB/T8851-2001
This standard is a revision of JB/T8851-1999 "Disc Vacuum Filter 3". Compared with JD/T8851-1999, the main technical content of this standard has been changed as follows: 1. Added technical requirements for GPY series disc vacuum filter. 2. Supplemented the content of the closed-type inspection.
This standard replaces JB/T88511999 from the date of implementation. This standard was proposed and regulated by the China Mining Machinery Standardization Technical Committee. The drafting unit is CITIC Heavy Machinery Company. The main contributors to this standard are Liu Qin, Bi Fujie, Jiang Jian, Chen Xinfang, and Huang Jialin. This standard was first issued as JB946-74 in 1974, revised for the first time as ZED96002-B7 in 1987, and adjusted to JB/TB851-1999 in April 1999. This is the second revision. Scope
Machinery Industry Standard of the People's Republic of China
Disc Vacuum Filter
Dlc-type Filter
JB/T 8851—2001
Replacement JB/T[—1999
This standard specifies the product classification, technical requirements, test methods, inspection rules, signs, labels, instruction manuals, packaging, transportation and storage of disc vacuum filters.
This standard applies to disc vacuum filters (hereinafter referred to as filters), which are mainly used in coal preparation, mineral processing and petrochemical departments to dehydrate or solidify various elastic materials with a particle size of less than or equal to 0.5mm. 2
Cited Standards
The provisions contained in the following standards are constituted as standard provisions 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 new version of the following standards. GB191—1990
GBT37681996
GRT 638R—1986
GB9969.1—1988
GB Hall 133061991
JB/T1604—1998
JR.T3275—2001
JB.T5000.12—199B
3Product Classification
3.tModel
Packaging Storage and Transportation Pictorial Mark||t t||Acoustic sound pressure method for determining the sound power level of the sound source above the radiation surface using a commercial method of measuring the surface with a network
Transport packaging delivery and receipt markings
General provisions for industrial product instruction manuals
Method for compiling product numbers for mining machinery
General technical specifications for fan-shaped filter plates for vacuum filters
The product model representation method should comply with the provisions of JB/T1604. GP
-0/口
Number of discs (optional)
Trampling area, m
Characteristic code, Y is special-shaped shaft
-Disc type
Vacuum filter
Approved by China Sugar Industry Federation on 2001-05-23 2:001-10-01 implementation
3. 2 Type
JB/I8851—2001
The central axis and agitator of the filter are independently driven: the agitation type is paddle type: the unloading method adopts instantaneous blowing and random knife combination. 3.3 Basic parameters 3.3.1 (P-type disc vacuum mixer) The basic parameters shall comply with the requirements of Table 1. Basic parameters Passage area Disc diameter Number of discs Disc rotation Mixer rotation Material control Human concentration Moisture content Processing pressure Motor + transmission Mixer Weight GP-200 GP- 116
0.15-0.67
0.29~1.30
0.15-D.67
0.25~1.44
0.5 (the material with particle size less than 0.063 accounts for 15%-40%) 250--350
"The moisture content and thickness of the product are related to the material properties, material particle size and material concentration. The product content and treatment of the dehydration index of the flotation clean coal in the table should be increased.
2 The disc speed has several gears, and one of them can be reversed according to the needs: 3 The machine drawing includes the motor and the deceleration. 3.3.2 The basic parameters of GPY disc vacuum filter shall comply with the provisions of Capsule 2.2 Basic parameters of disc vacuum filter: Number of discs Frequency of rotation Sampler speed Material quality Cake moisture Processing unit Main transmission Mixer Basic parameters Full cloth Diameter of surface t||Number of discs
Same disc speed
Black mixing speed
Into the call control seat
Moisture content of cake
Weight
Motor
Main drive
Pull-up device
Weight of machine
\th-m')
JBT8851-2001
osY-2g
GPY-4GGPY-hil
GPY-30
0.167~1.000
GPY-gOOPY 1OGPY
0 215-4.966
or 0.5 The material with a particle size smaller than 0.053 accounts for 35%~40%】250-350
GPY-160GPY-180GPY-200GPY-220[GPY-240GFY-260160bzxZ.net
(. 185--1.110)
CPY-280
=0.5 (the material with a particle size smaller than 0.63 accounts for 35%~40%)250--350
185. -195
CPY14)
0.140-0.870
CPY-300
【Product moisture content and treatment capacity are related to the properties of the feed, material thickness and feed range. The product moisture content listed in the table and the treatment capacity are sufficient to recommend the selection of fine media for dehydration parameters.
2 The machine will include the weight of the motor and reducer, excluding the weight of auxiliary equipment. 3
4 Technical requirements
JB/T885I—2001
4.1 The filter should meet the requirements of this standard and be manufactured according to the drawings and technical documents approved by the prescribed procedures. 4.2 Where this standard does not specify, the general technical requirements shall comply with the provisions of the relevant national standards and industry standards. 4.3 The working conditions shall meet the following requirements:
The temperature of the filter feed droplet shall not exceed 60°C: b) The sedimentation velocity of the coarse solid phase particles in the feed suspension shall be less than or equal to 12 m/s: On the filter disc 1 or the test device that conforms to the filter filter element, the filter cake thickness shall reach mm. 4.4 There shall be no leakage in the filtrate channels of the central axis and the tank body of the filter. 4.5 After the tank body is welded, the length tolerance of the two diagonal lines of the groove should be less than or equal to 2.5mm within 1000mm. 4.6 When the central axis is installed, the axial tolerance of its axis to the center line of the tank body should be less than or equal to .5mm within 1000mm. The parallelism tolerance should be less than or equal to 25mm within 1000mm. 4.7 The stirring shaft should be straightened before installation, and its straightness tolerance should be less than or equal to 0.5mm within 1000mm. The parallelism tolerance of the axis of the stirring shaft to the axis of the central shaft should be less than or equal to 1mm within 1000mm. 4. The surface of each plate of the filter should be perpendicular to the central axis. When the filter disc is running, the surface momentum of the disc should meet the requirements of Table 3, and the horizontal misalignment of adjacent foot plates should be less than or equal to 4mm. Table 3
Four-disc diameter
Momentum
4.9 The secondary cutting edge should be parallel to the disc surface, and the parallelism tolerance should not exceed 7 mm within the full cutting edge length range. 4.10 The shaped plate and the center shaft shall not be slippery or leaky after assembly. 3800
4.11 The tooth length along the joint of the worm wheel in the main drive of the filter shall not be less than 40%, and the inner height along the joint shall not be less than 45%. The spacing shall be between 0.4-0.6mm.
4.12 Each transmission part shall rotate flexibly without oil leakage. The full temperature rise of the worm wheel and the connecting box shall not exceed 3 degrees, and the maximum temperature shall not exceed 70℃. The temperature rise of the spare bearing shall not exceed 30℃, and the maximum temperature shall not exceed 70℃. 4.13 The contact plane between the air distribution cushion of the distribution head and the dynamic air distribution, or the dynamic air distribution seat and the fan-shaped block should be in close contact, and the distance between the contact surfaces shall not be greater than 0.05mm. The number of contact points on the area of 25mm×25mm shall be no less than 20, and no holes, hairs, etc. are allowed on the contact plane.
4.14 The rotating speed of the filter shall be steplessly adjustable within the range of each gear specified in Table 1 and Table 2. 4.15 The driving flare plate of the filter shall meet the requirements of JB 3275. 4.16 The operating noise of each running part of the filter shall not exceed 8SB (A: During the instantaneous blowing, the sound caused by the compressed gas flow shall not exceed
4.17 The coating of the filter shall meet the requirements of 5000.12. 4.18 The range of complete set supply:
8) The complete set of filter mechanical parts. Including motor and reducer. b) Auxiliary equipment (according to the supply contract)
5 Test method
JBVTB851-200L
5.1 Test 4.4 by oil penetration method or by filling the filter with water for 30m: 5.2 Test 4.10 by air pressure test or water pressure test. The test pressure is 0.2MPa and the pressure holding time is not less than 5mn 5.3 Test by colorimetric method d,11,
5.4 Test 4.13 by colorimetric method (only check GP type filter) 5.5 According to the method of 0B/T3768, measure the noise at the highest speed of the filter. 6 Inspection rules
6.1 Each filter must be inspected by the quality inspection department of the manufacturer before it can be shipped. When leaving the factory, it should be accompanied by documents proving the quality of the product.
6.2 Each filter shall be inspected before leaving the factory. The inspection shall comply with the provisions of 4.8, 4.10, 4.11, 4.12 and 4.16. 3 Type inspection shall be carried out when one of the following situations occurs: a) When new products or old products are transferred to the factory for production; 6) When the product design, structure, process design and materials have been greatly changed and may affect the product performance; 7) When the product is resumed after a long period of suspension; 8) When the results of the factory inspection are greatly different from the last inspection; 9) When the national quality supervision and inspection agency proposes a type inspection request for products in normal production, every 50 units are produced. 10) When the national quality supervision and inspection agency proposes a type inspection request. 11) When the national quality supervision and inspection agency proposes a type inspection request. 12) When the national quality supervision and inspection agency proposes a type inspection request. 13) When the national quality supervision and inspection agency proposes a type inspection request. 14) When the national quality supervision and inspection agency proposes a type inspection request. 15) When the national quality supervision and inspection agency proposes a type inspection request. 16) When the national quality supervision and inspection agency proposes a type inspection request. 17) When the national quality supervision and inspection agency proposes a type inspection request. 18) When the national quality supervision and inspection agency proposes a type inspection request. 19) When the national quality supervision and inspection agency proposes a type inspection request. 20) When the national quality supervision and inspection agency proposes a type inspection request. 21) When the national quality supervision and inspection agency proposes a type inspection request. 22) When the national quality supervision and inspection agency proposes a type inspection request. 23) When the national quality supervision and inspection agency proposes a type inspection request. 24) When the national quality supervision and inspection agency proposes a type inspection request. 25) When the national quality supervision and inspection agency proposes a type inspection request. 26) When the national quality supervision and inspection agency proposes a type inspection request. 27) When the national quality supervision
7 Marking, labeling and instruction manual
7.1 The filter shall have a product label in a conspicuous place. The type and size of the label shall comply with the provisions of GB/T 13306, and the following contents shall be marked:
a) Name of manufacturer;
) Product name and model;
c) Product ex-factory date and serial number;
Main technical data.
7.2 The filter shall have a product instruction manual, and its content shall comply with the provisions of GB/T 9969.1.
7.3 The packaging label of the filter shall comply with the provisions of GB/T 6398 and GB 191. 8 Packaging, transportation and storage || tt || 8.1 The filter can be divided into naked and closed packaging. 8.1 The main unit of the filter is naked, and the exposed parts are coated with anti-rust oil. The exposed pipe joints and motors are wrapped with wall cloth. 8.3 The motor, reducer, etc. of the filter are packed with anti-rust packaging. 8.4 The random technical documents shall include:
Packing list and complete delivery list;
b) Product quality and qualification certificate;
e) Product instruction manual;
d) Product installation drawing,
38/T8851-2001
8.5 The product delivery mark and the packaging box shall comply with the provisions of 3 and shall include the following contents: ) Product name and model;
b) Manufacturer name, factory number and date;
contract number and packaging shrinkage number;
d) Shipping and receiving address and unit name;
) Net weight, gross weight, overall dimensions;
door center of gravity, lifting line, transportation diagram and mark. .6 The product packaging shall comply with the requirements of water and land transportation. 8. The product storage shall have rain-proof facilities and shall be maintained once every 12 months.5. The product delivery mark and packaging box should comply with the provisions of 3, and should include the following contents: a) Product name and model; b) Manufacturer name, factory number and date; c) Contract number and packaging shrinkage number; d) Shipping and receiving address and unit name; d) Net weight, gross weight, overall dimensions; center of gravity, lifting line, transportation diagram. 6. Product packaging should comply with water and land transportation requirements. 8. The product should be stored in rain-proof facilities and should be maintained once every 12 months.5. The product delivery mark and packaging box should comply with the provisions of 3, and should include the following contents: a) Product name and model; b) Manufacturer name, factory number and date; c) Contract number and packaging shrinkage number; d) Shipping and receiving address and unit name; d) Net weight, gross weight, overall dimensions; center of gravity, lifting line, transportation diagram. 6. Product packaging should comply with water and land transportation requirements. 8. The product should be stored in rain-proof facilities and should be maintained once every 12 months.
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