JB 2193-1977 Boiler door JB2193-1977 standard download decompression password: www.bzxz.net

JB/T9621—1999
This standard is a revision of ZBJ98012--88 "Methods for norm of access door and its structural dimensions of industrial boiler doors". This standard will replace .2BJ98012--88 from the date of implementation. This standard is proposed and managed by the National Technical Committee for Boiler Standardization. This standard is drafted by Changsha Boiler Factory and Shanghai Industrial Boiler Research Institute. The main drafters of this standard are Mao Yuehua, Peng Xueke, Li Guoxin and Ye Mian. This standard is interpreted by Shanghai Industrial Boiler Research Institute. 111
口China Machinery Industry Standard
Methods for norm of access door and its structraldimensions of industrial boiler
Methods for norm of access door and its structraldimensions of industrial boiler This standard specifies the methods for norm of access door and its structuraldimensions of industrial boiler doors. This standard applies to the doors on industrial boilers. 2 Methods for norm of access door
2.1 Composition of models.
The composition of the furnace door model is as follows:
□□-××××
Structural type
Oval furnace door
JB/T 9621—1999
Replaces ZBJ98012-88
Design order (expressed in Roman letters, not indicated for the first design)
AXB (door width × door height); or diameter, mm Structure type (see Table 1, not indicated for only one structure type)
Name code of furnace door (see Table 1)
Name code and structure type of furnace doorbzxZ.net
Inspection door
"-" indicates that the furnace door has only one structure type. 2.2 Marking example.
Flue door
Fire inspection door
a) Type II inspection door, door width is 400mm, door height is 300mm, first design. Marked as:
JB/T 9621—1999 JMI400X300
b) Ash door, diameter 290mm, second design. Marked as:
JB/T 9621--1999 LM-@290— I
3 Structural element dimensions of furnace door
3.1 Structural element dimensions of elliptical furnace door.
3.1.1 Structural element dimensions of type 1 elliptical furnace door shall comply with the provisions of Figure 1 and Table 2. Approved by the State Machinery Industry Bureau on August 6, 1999 112
Fire hole explosion-proof door ash cleaning door ash door fire door KK
2000—01—01 implementation
AXB (width x height)
350×250
300X200
JB/T9 621-1999
The structural element dimensions of type II oval furnace door shall comply with the provisions of Figure 2. Q
3.2 The structural element dimensions of arch furnace door.
JB/T9621-1999
400×300
The structural element dimensions of arch furnace door shall comply with the provisions of Figure 3 and Table 3. L
AXB(width x height)
450×350
400X300
3.3 The structural element dimensions of the inspection door.
JB/T 9621--1999
3.3.1 The dimensions of the structural elements of type I inspection doors shall comply with the provisions of Figure 4 and Table 4. AXB
A×B (width×height)
350X350
400×300
450×450
JB/T9621--1999
3.3.2 The dimensions of the structural elements of straight inspection doors shall comply with the provisions of Figure 5. A
JB/T9621--1999
The dimensions of the structural elements of type A inspection doors shall comply with the provisions of Figure 6 and Table 5. AX
AXB (width×height)
350×350
400×300
450×450
3.4 ​​The dimensions of the structural elements of flue doors.
JB/T9621-1999
The structural element dimensions of type 1 flue door shall comply with the provisions of Figure 7 and Table 6. B
The structural element dimensions of type 2 flue door shall comply with the provisions of Figure 8 and Table 7. A
The structural element dimensions of fire-watching door.
JB/T9621-1999
The structural element dimensions of type 1 fire-watching door shall comply with the provisions of Figure 9 and Table 8. D
200×100
250×150
3.5.2The structural element dimensions of type 2 fire-watching door shall comply with the provisions of Figure 10. F
3.6The structural element dimensions of fire-watching hole
JB/T 9621--1999
saixioot
The structural element dimensions of fire-watching hole shall comply with the provisions of Figure 11 and Table 9. 300
3.7 Dimensions of structural elements of explosion-proof doors
Dimensions of structural elements of explosion-proof doors shall comply with the provisions of Figure 12. 120
75×75
85×85
3.8 Dimensions of structural elements of ash-cleaning doors.
JB/T9621—-1999
Dimensions of structural elements of ash-cleaning doors shall comply with the provisions of Figure 13 and Table 10C
160×160
300X160
4N16×20(16)
3.9 Dimensions of structural elements of ash-falling doors.
JB/T 9621-1999
Dimensions of structural elements of ash-falling doors shall comply with the provisions of Figure 14. 350
3.10 Dimensions of structural elements of fire-dumping doors.
The dimensions of the structural elements of the fire door shall comply with the requirements of Figure 15 and Table 11. 122
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