JB 2193-1977 Boiler door JB2193-1977 standard download decompression password: www.bzxz.net
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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 door 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 KKbZxz.net 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 Tip: This standard content only shows part of the intercepted content of the complete standard. If you need the complete standard, please go to the top to download the complete standard document for free.