Coal gas pressure control valve group
A pressure regulating valve group and gas technology, applied in the field of mechanical valves, can solve the problems of inner wall wear, large erosion and failure to meet the use requirements of regulating butterfly valves, so as to prolong the service life and ensure long-term normal use
Inactive Publication Date: 2013-01-02
天津市塘沽麦克森阀门有限公司
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Problems solved by technology
Due to the large dust content, high flow rate and large erosion of the medium used in the system, it is required that the matching valves have good erosion resistance and excellent wear resistance, so as to avoid environmental pollution, energy waste, and danger caused by gas medium leakage. etc., but the inner wall of the regulating butterfly valve used in the existing pressure regulating valve group is severely worn or even worn out, resulting in gas leakage, which cannot meet the requirements of many complex working conditions
Method used
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[0014] Such as figure 1 As shown, the present invention provides a gas pressure regulating valve group, which is composed of an automatic regulating butterfly valve 1 and a long-pass pipe 2, the automatic regulating butterfly valve 1 is 4, the long-pass pipe 2 is 1, and the long-pass pipe 2 The center of the cross-section of the self-regulating butterfly valve 2 1-2 is on the same straight line, the center of the section of the self-regulating butterfly valve 2 1-2 and the self-regulating butterfly valve 3, 4 1-3, 1-4 are on the same circumference, and the self-regulating butterfly valve One 1-1 is on the same straight line as the cross-sectional circle center of the automatic adjustment butterfly valve three 1-3. The automatic adjustment butterfly valve 1 is equipped with a DDZ type electric unit combination instrument 3, and the automatic adjustment butterfly valve 1 and the DDZ type electric unit combination instrument 3 connected via electric actuator 4. The valve body of...
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The invention provides a coal gas pressure control valve group which is composed of four self-regulation butterfly valves and a long through pipe, wherein the section centres of the long through pipe and the self-regulation butterfly valve II are on the same straight line, and the section centres of the self-regulation butterfly valve II and the self-regulation butterflies valve III and IV are on the same periphery; the section centres of the self-regulation butterfly valve I and the self-regulation butterfly valve III are on the same straight line, and the self-regulation butterfly valve is provided with a DDZ type eletro-unit assembly instrument; and the self-regulation butterfly valves are connected with the DDZ type eletro-unit assembly instrument through an electrodynamic actuator. The coal gas pressure control valve group provided by the invention has the beneficial effects that as the technical scheme is adopted, the coal gas pressure control valve group can be normally used in the environment that the dielectric of a pipeline system has large dust content, high flow rate and large erosion; and the flow and pressure of a pipeline system is regulated, thereby guaranteeing the long-term natural service of the system device, and prolonging the service life of the device.
Description
technical field [0001] The invention belongs to the field of mechanical valves, in particular to a gas pressure regulating valve group. Background technique [0002] In the existing technology, the pressure regulating valve group is a kind of valve that can control the pressure of the industrial kiln, especially the top of the blast furnace, and is the key equipment for the normal production of the blast furnace under a stable pressure. Due to the large dust content, high flow rate and large erosion of the medium used in the system, it is required that the matching valves have good erosion resistance and excellent wear resistance, so as to avoid environmental pollution, energy waste, and danger caused by gas medium leakage. etc., but the inner wall of the regulating butterfly valve used in the existing pressure regulating valve group is severely worn or even worn out, resulting in gas leakage, which cannot meet the requirements of many complex working conditions. Contents ...
Claims
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IPC IPC(8): F16K11/22F16K31/05
Inventor 陈世平黄彬宁
Owner 天津市塘沽麦克森阀门有限公司