GB/T 25027-2018 in English

《GB/T 25027-2018搪玻璃开式搅拌容器型式、主要尺寸及基本参数》由TC72（全国搪玻璃设备标准化技术委员会）归口，主管部门为中国石油和化学工业联合会。

Structure, main size and basic parameters of two pieces glass-lined steel vessels with agitator

1 Scope

This standard specifies the structure, classification, main size, parameters and marks of two pieces glass-lined steel vessels with agitator.

This standard is applicable to two pieces glass-lined steel vessels with agitator with design pressure less than or equal to 1.0 MPa in inner vessel, nominal volume of 50 L to 5,000 L, design pressure less than or equal to 0.6 MPa in jacket, and design temperature not lower than –20°C and not higher than 200°C in inner vessel and jacket.

2 Normative references

The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition (including any amendment) applies.

GB/T 25198 Heads for pressure vessels
HG/T 2048.1 Glass-lined stuffing boxes
HG/T 2049 Glass-lined equipment - H flange
HG/T 2050 Gaskets for glass-lined steel vessel
HG/T 2051.1 Glass-lined agitator anchor type
HG/T 2051.2 Glass-lined agitator gate type
HG/T 2051.3 Glass-lined agitator retreat curve impeller type
HG/T 2051.4 Glass-lined agitator pitch blade turbine type
HG/T 2052 Drive for glass-lined vessel with agitator
HG/T 2054 Clamps for glass lined vessels
HG/T 2055.1 Manhole for glass lined steel vessel
HG/T 2055.2 Glass-lined manhole with sight glass
HG/T 2057 Stirred glass lined vessel mechanical seals
HG/T 2058.1 Glass-lined thermometer tube
HG/T 2058.2 Thermometer tube of the glass-lined baffle
HG/T 2143-2012 Nozzles for glass-lined steel vessel
HG/T 2145.1 Handhole for glass-lined vessel
HG/T 2145.2 Handhole with glass sight for glass-lined vessel
HG/T 2145.3 Quick-opening handhole for glass-lined vessel
HG/T 2145.4 Quick-opening handhole with glass sight for glass-lined vessel
HG/T 3217 Glass-lined lift up valves
HG/T 3218 Glass-lined lift down valves
HG/T 20592 Steel pipe flanges (PN designated)
JB/T 4712.3 Vessel supports - Part 3: Lug support
JB/T 4712.4 Vessel supports - Part 4: Bracket support

3 Terms and definitions

For the purposes of this document, the following terms and definitions apply.

3.1
two pieces glass-lined steel vessels with agitator
glass-lined steel vessel with an agitator arranged on the cylinder body with an H flange of equal diameter to the cylinder body

3.2
capacity for under equipment flange
volume below the H flange

4 Structure and classification

According to different jacket structures, the two pieces glass-lined steel vessels with agitator are divided into U-shaped jacket type and semi-tube jacket type, as shown in Figure 1.


a) Structure diagram of U-shaped jacket

b) Structure diagram of semi-tube jacket
Figure 1 Structure diagram of two pieces vessels with agitator
5 Main size and parameters

5.1 See Figure 2 for the structure of two pieces glass-lined steel vessels with agitator, Table 1 for basic parameters and main size, and Table 2 for the details and requirements of parts in Figure 2.

5.2 See Table 3 for technical parameters of two pieces glass-lined steel vessels with agitator.

5.3 See Figure 3 for the combination form of thermowell and agitator. According to the regulations of HG/T 2058.2, the thermometer tube of baffle shall be preferred for the agitators of retreat curve impeller type, pitch blade turbine type and axial flow type.

5.4 The drives of vessels with agitator is divided into W type, DZ type and SZ type, which shall be selected according to HG/T 2052.

5.5 The vessels with agitator may be equipped with agitators of anchor type, gate type, retreat curve impeller type, pitch blade turbine type or axial flow type according to the process requirements, and the selection shall comply with the regulations of HG/T 2051.1, HG/T 2051.2, HG/T 2051.3, HG/T 2051.4 or other relevant standards.

Foreword i
1 Scope
2 Normative references
3 Terms and definitions
4 Structure and classification
5 Main size and parameters
6 Marking and example thereof