An electric high temperature resistant valve device
A valve device, high temperature resistant technology, applied in the direction of valve device, valve lift, valve details, etc., can solve the problems of poor application effect, high price, high operating cost, etc., and achieve the effect of simple structure, low cost and good sealing effect
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Embodiment 1
[0021] Such as figure 1 An electric high-temperature-resistant valve device is shown, which involves valve body 1. The valve body is a three-way valve. The three-way valve is divided into a confluence valve and a diversion valve according to the fluid action mode. The confluence valve has two inlets, and flows out from one outlet after confluence . The diverter valve has a fluid inlet, which flows out from two fluid outlets after diversion. There are two static rings 2 installed up and down in the valve body, and a moving ring 3 is arranged between the two static rings. The sealing surface side of the static ring is provided with a sealing groove 7, and the sealing groove is provided with a taper. The taper is 1:2~1 : between 3. The upper and lower sealing surfaces of the moving ring are provided with a flange 8, and the flange is provided with a taper, the taper is between 1:2 and 1:3, and the flange of the moving ring and the sealing groove of the static ring are mechanica...
Embodiment 2
[0025] Such as figure 2 As shown, an electric high temperature resistant valve device involves a valve body 1, the valve body is a two-way valve, two static rings 2 are installed up and down in the valve body, and a moving ring 3 is arranged between the two static rings. A sealing groove 7 is provided on the side of the ring sealing surface, and the sealing groove is provided with a taper, and the taper is between 1:2 and 1:3. The upper and lower sealing surfaces of the moving ring are provided with a flange 8, and the flange is provided with a taper, the taper is between 1:2 and 1:3, and the flange is mechanically sealed with the sealing groove of the static ring. The machining accuracy of the seal groove and the seal surface of the moving ring is 0.2-0.8 μm (material removal). The two static rings are installed in parallel on the inner cavity wall of the valve, the moving ring 3 and the lower end of the dark rod 4 are fixedly connected by a fixed pin 9, the moving ring can...
Embodiment 3
[0027] This example focuses on the application in the system of producing activated carbon with biomass straw.
[0028] In the activated carbon production system using biomass straw, 800°C high-temperature (oxygen-free) gas is required. The pressure head of the gas is 6kPa, and the gas flow rate is 55 Nm3 / h. The straw is carbonized and activated to produce high-quality activated carbon. In order to realize automatic control of the flow direction of high-temperature gas, electric high-temperature-resistant three-way valve devices are installed at the two inlets of the two-way reactor. Oxygen) gas flow can enter from the fluid inlet and outlet A of the two-way reactor in a high temperature environment, and flow out from the fluid inlet and outlet B after carbonization and activation in the two-way reactor. After 40 minutes of reaction, switch the three-way through automatic control The moving position of the moving ring of the valve enables the high-temperature (oxygen-free) ai...
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