This standard specifies the type, model and basic parameters of light and small diesel engine-pump direct-connected units. This standard applies to light and small diesel engine-pump direct-connected units with a flow rate of 8~170m3/h, a head of 7~60m, and a matching power of 2.21~11.03kW. JB/T 6665.1-1993 Type and basic parameters of light and small diesel engine-pump direct-connected units JB/T6665.1-1993 Standard download decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
JB/T6665.1~6665.2-93
Light and small diesel engine-pump direct-connected unit
Published on June 4, 1993
Ministry of Machinery Industry of the People's Republic of China
Implementation on January 1, 1994
Mechanical Industry Standard of the People's Republic of China
Light and small diesel engine-pump direct-connected unit
Type and basic parameters
1 Subject content and scope of application
This standard specifies the type, model and basic parameters of light and small diesel engine-pump direct-connected unit, JB/T6665.1-93
This standard is applicable to light and small diesel engine-pump direct-connected unit (hereinafter referred to as unit) with a flow rate of 8~170m/h, a head of 760m and a matching power of 2.21~11.03kW. 2 Reference standards
GB3216
JB/T6663.1
JB/T6664.1
Test methods for centrifugal pumps, mixed flow pumps, axial flow pumps and vortex pumps Types and basic parameters of light and small single-stage centrifugal pumps Types and basic parameters of self-priming pumps
JB/T6665.2 Technical conditions for light and small diesel engine-pump direct-connected units 3 Types
The unit is mainly composed of a diesel engine and a ticket. According to the type of the matching pump, it can be divided into a self-priming unit and a non-self-priming unit; according to the movement mode of the unit, it can be divided into a hand-lifted unit and a trolley-type unit. 3.1 The structural type and basic parameters of the matching pump of the non-self-priming unit shall comply with the provisions of JB/T6663.1. 3.2 The structural type and basic parameters of the matching pump of the self-priming unit shall comply with the provisions of JB/T6664.1. 3.3 The pump and diesel engine are installed on the same frame, and the power transmission mode is direct drive or coaxial. 3.4 The rotation direction of the ticket shaft is counterclockwise when viewed from the ticket inlet. 4 Model
4.1 Model indication method
The model of the unit is indicated by capital Latin letters and Arabic numerals, and the composition and meaning are as follows: CB
Matching pump identification code
Matching diesel engine rated power (keep one decimal place), kW specified head. m
Type: Z indicates self-priming type, non-self-priming type is not marked Light and small diesel engine-pump direct-connected unit
Unit inlet nominal diameter, mm
4.2 Marking example
Non-self-priming light and small diesel engine-pump direct-connected unit with an inlet nominal diameter of 65mm, a specified head of 38m, and a matching diesel engine with a rated power of 4.41kW is marked as:
65CB38-4.4||tt| |The self-priming light and small diesel engine-pump direct-connected unit with an inlet nominal diameter of 50mm, a specified head of 35m and a matching diesel engine rated power of 3.68kW is marked as:
Approved by the Ministry of Machinery Industry on 1993-06-04
Implemented on 1994-01-01
Basic parameters
50CBZ35-3.7
The basic parameters of non-self-priming units shall comply with the provisions of Table 1. Table 1
Inlet/Outlet
Nominal
Unit Model
50CB36-2.4
50CB40-2.9
50CB50-3.7A
50CB36-2.9A
50CB50-3.7B
50CB30-2.4A
50CB36-2.9B
50CB36-3.7A
50CB32-2.2
50CB36-2.9C
50CB45-3.7
50CB50-5.2
50CB60-5.9
50CB20-2.4
50CB25-2.9
50CB30-3.7
50CB30-2.4B
50CB32-2.9
50CB36-3.7B
50CB36-3.3
50CB36-3.7C
50CB45-4.4
65CB18-2.4A
65CB24-2.9
65CB30-3.7A
65CB24-2.4
Matching pump model
IQ50-180C2.4||t t | 7
IQ50-200C2.2
IQ50-200C2.9
IQ50-200C3.7
IQ50-250C5.2
IQ50-250C5.9
IQ50-140C2.4
IQ50-14 0 C2.9
IQ50-140C3.7
IQ50-185C2.4
IQ50-185C2.9
IQ50-185C3.7
IQ50-225C3.3
IQ50-225C3.7
IQ50-225C4.4
IQ65-125C2.4
IQ65-125C2.9
IQ65-125C3.7
IQ65-160C2.4
Critical steam
Potential loss margin
Consumption rate
g/(kw·h)||t t||Unit model
65CB28-2.9
65CB30-3.7B
65CB30-3.7C
65CB38-4.4
65CB40-5.2
65CB45-5.9
65CB50-6.6
65CB15-2.4
65CB18-2.9
65CB20-3.7A
65CB18-2.4B
65CB20-2.9
65CB20-3.7B
65CB25-4.4
65C B25-3.3
65CB30-3.7D
65CB30-4.4
80CB40-6.6
80CB50-8.8
80CB55-11.0
80CB12.5-2.4
80CB12.5-2.9
80CB15-3.7
80CB12-2.2
80CB15-2.9
80CB18-3.7
80CB20-4.4A
80CB18-3.3
Matching pump model
IQ65-16 0C2.9 | | tt | | IQ65-160C3.7 | 5-110C2.4 | | tt | || IQ65-180C3.3
IQ65-180C3.7
IQ65-180C4.4
IQ80-250C6.6
IQ80-250C8.8
IQ80-250C11.0
IQ80-100C2.4|| tt | 3.3
JB/T 6665.193
Continued Table 1
Inlet/outlet
Nominal
Critical steam
Positive displacement
Consumption rate
g/(kw·h）
（472)
（456)
Unit modelWww.bzxZ.net
80CB20-3.7
80CB20-4.4B
80CB25-5.2
80CB30-5.9A
80CB30-5.2
80CB30-5.9B
80CB35-6.6||t t | 5.2
100CB205.9
100CB25-8.1
100CB30-8.8
100CB35-11.0
100CB7-2.2
100C B8-2.9
100CB10-3.7A
Matching pump model
IQ80-160C3.7
IQ80-160C4.4
IQ80-160C5.2
IQ80-160C5.9
IQ80-200C5.2
IQ80-200C5.9
IQ80-200C6.6
IQ80-200C8.8
IQ100-90C2.4
IQ100-90C2.9
IQ100 -90C3.7 ||tt | tt||IQ100-250C8.8
1Q100-25CC11.0
IQ100-100C2.2
IQ100-100C2.9
IQ100-100C3.7
JB/T 6665.1-93
Continued Table 1
Inlet/outlet
Nominal
100/100
100/80
100/65
100/100
Critical steam
Positive displacement
Consumption rate
g/(kW·h)| |tt||Unit model
100CB10-4.4
100CB10-3.3
100CB10-3.7B
100CB12.5-4.4
100CB16-5.9
100CB20-6.6
100CB25-8 .8
100CB25-11.0
150CB12-5.2
150CB12-5.9
150CB15-6.6
150CB18-8.8
150CB8-5.2
150CB10-5.9
150CB12-6.6
150CB15-8.8
150CB18-11.0
150CB10-6.6
150CB12-8.8
150CB15-11.0
Matching pump model
IQ100-100C4.4||t t | 0-160C1 1.0 | | tt | | IQ150-140C5.2 | |IQ150- 160C6.6 | |tt | 93
Table 1 continued
Inlet/outlet
Nominal
100/100
100/80
150/125
150/150
150/100
150/125
The values ​​in brackets are the fuel consumption values ​​of the diesel engine unit without fan. Note:
The basic parameters of the self-priming unit shall comply with the provisions of Table 2. Intestine
Critical steam
Positive erosion margin
Consumption rate
g/(kW·h)
Unit model
50CBZ30-2.2
50CBZ25-2.4
50CBZ35-2.9
50CBZ45-4.4
50CBZ40-4.4
50CBZ20-2.2
50CBZ25-2.9
50CBZ35-3.7
50CBZ45-5.5 | | tt |
80CBZ15-2.9
80CBZ12-2.9
80CBZ15-3.7
80CBZ20 -4.4
100CBZ12.5-4.4
Matching pump model
50ZB30-2.2C
50ZB25-2.4C
50ZB35-2.9C
50ZB45-4.4C
50ZB40-4.4C
50ZB20-2.2C
50ZB25-2.9C
50ZB35-3.7C
50ZB45-5.SC
65ZB50-5.9C
65ZB25-3.7C
65ZB30-4.4C
65ZB15-2.2C
65ZB20-2.9C
65ZB25-4.4C
80ZB10-2.2C
80Z B15-2.9C
80ZB12-2.9C
80ZB15-3.7C
80ZB20-4.4C
100ZB12. 5-4. 4C
JB/T 6665.193
Note: The values ​​in brackets are the fuel consumption rates of the units equipped with RNG engines without fans. Head
Critical NPSH
Consumption rate
g/(kW·h)
The deviation of the basic parameters of the unit's matching pump shall comply with the provisions of Class C in GB3216, but the critical NPSH of the self-priming unit shall not have a lower deviation of 5.3
. The fuel consumption rate under the unit output power shall not be greater than the provisions of Table 1 and Table 2. 5.5
For units whose flow, head or speed do not comply with the provisions of Table 1 and Table 2, the following provisions shall be met: b.
JB/T6665.1-93
The basic parameters of the matching pump shall comply with the provisions of JB/T6663.1 or JB/T6664.1; the power reserve coefficient of the matching diesel engine is 1.1~1.4; the fuel consumption rate of the unit shall not be greater than the calculated value of formula (1): Go
Where: G-—unit fuel consumption rate g/(kW·h); kG
The fuel consumption rate of the matching diesel engine under the rated working condition, g/(kW·h); G.
"—matching pump specified efficiency, %;
k—coefficient (selected according to Table 3).| |tt||Matching diesel engine
Power reserve coefficient
>1.10~1.18
>1.18~1.25
Other technical requirements shall comply with the provisions of JB/T6665.2. Additional notes:
This standard is proposed and managed by the China Agricultural Mechanization Science Research Institute of the Ministry of Machinery Industry. >1.25~1.33
This standard was drafted by Zhejiang Electromechanical Design Institute and Jiangsu Institute of Technology Irrigation and Drainage Machinery Research Institute. The main drafters of this standard are Zhang Mingguang, Wang Yang and Cong Peishan. (1)
>1.33~1.40
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