This standard specifies the shape and basic parameters of the air inlet heating unit. This standard applies to air inlet heating units for air conditioning, ventilation, heating, etc. where the maximum working pressure does not exceed 1.3MPa and the medium is hot water or steam. This standard does not apply to electric heating, thermal oil and other thermal coal units. JB/T 6413-1992 Type and basic parameters of inlet air heating unit JB/T6413-1992 Standard download and decompression password: www.bzxz.net

Machinery Industry Standard of the People's Republic of China
Air inlet heating unit
Subject content and scope of application
Type and basic parameters
This standard specifies the type and application of air inlet heating unit Basic parameters. JB/T 6413--92
This standard applies to air inlet heating units (hereinafter referred to as "units") for air conditioning, ventilation, heating, etc. with a maximum working pressure not exceeding 1.3MPa and a medium of hot water or steam. ). This standard does not apply to units with electric heating, thermal oil and other heating media. 2 Types | For the unit, the air flows from right to left (left type), and the air flows from left to right (right type). 2.2 Model
JR
Port
Structural type: Left type uses Z, The right type is represented by Y
Rated air volume: Arabic numerals × 103m2/h Heat medium code: S for water, Q for steam
Inlet air heating unit code
Model example: || tt|| means that the heating medium is water, the air inlet volume is 3000m/h, the left-hand air inlet heating unit JRS 3-Z
3 Basic parameters
3.1 The rated working conditions are as shown in Table 1. Regulations!
The basic parameters of the 3.2 unit (cascade tube bundle) should not be lower than those specified in Table 2. Table 1
Air inlet status
Hot water| |tt||Number
Inlet water temperature
Water velocity
Steam pressure
Windward flow velocity
C
m/s|| tt | |tt||Heating coil
Hot water
7
95
1
Implemented in 1993-01-01
3.3| |tt||Type
JR1
JR2
JR3
JR4
JR5
JR6
JR9||tt ||JR12
JR15
JR20
JR25
JR30
JR40
JR50
JR60
JR80 ||tt || 4000
5000
6 000
9000
12 000
15000
20000
25 000||tt| |30 000
40 000
50 000
60 000
80 000
100000
2
8| |tt||16
24
32
40
48
72
96
120||tt ||160
200
240
320
400
480
640
800
JB/T6413-92
Table 2
4
10
20
30
40
50|| tt||60
90
120
150
200
250
300
400||tt| |500
600
800
1000
The basic parameters of the unit (winding tube bundle) should not be lower than those specified in Table 3. Table 3
Type
No.
JRo1
JR02
JR03
IR 04
JR05
JR06
JR09
JR12
JR15
JR20
JR25
JR30
JR40
Pipe row Number
Rated air volume, m2/h
1000
2 000
3.000
4000
5000
6000| |tt||9000
12000
15000
20000
25000
30000
40000
2||tt ||5
10
15
20
25www.bzxz.net
30
45
60
75
100
125
150
200
4
7
14
21| |tt||28
35
42
63
84
105
140
175||tt ||210
280
6
Rated heat supply, kw
14
28
42
56
70
84
126
168
210
280
350
420|| tt||560
700
840
1120
1400
6
rated heat supply.kw
9
18
27
36
45
54
81
108
135| |tt||180
225
270
360
8
16
32
48||tt ||64
80
96
144
192
240
320
400
480
640
800
960
1280
1600
8
10
20| |tt||30
40
50
60
90
120
150
200||tt ||250
300
400
10
17
34
51
68
85
102
153
204
255
340
425
510
688| |tt||850
1020
1360
1700
10
11
22
33||tt ||44
55
66
99
132
165
220
275
330
440
729
3.4
3.5
Type
No.
JR50
JR60
JR80
JR100
Tube row number
Rated air volume, m/h
50000
60 000
80000
100000
2
250
300| |tt||400
500
JB/T6413-92
Continued Table 3
4
350
420||tt ||560
700
6
rated heat supply, kw
450
540
720
900
The measured heat supply of the unit under rated working conditions should be less than 93% of the rated heat supply. The rated heat supply of the unit is determined according to the parameters in Table 1, and the atmospheric pressure at the time of measurement is 1013hPa. Additional notes:
This standard is proposed and administered by the Hefei General Machinery Research Institute of the Ministry of Mechanical and Electronics Industry. This standard is drafted by Harbin Air Conditioning Factory. The main drafters of this standard: Ren Shouyu and Zhu Yutian. 730
8
500
600
800
1000
10
550
660| |tt||880
1100
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