RTO valve mechanism

Abstract

The RTO valve mechanism comprises an air inlet channel, a transition cavity and an air outlet channel, a plurality of air inlet valves are arranged between the air inlet channel and the transition cavity, a plurality of air outlet valves are arranged between the air outlet channel and the transition cavity, an air baffle is arranged on the periphery of an air inlet in the direction away from the air inlet direction of the air inlet channel, and an air outlet is arranged on the air outlet channel. And an opening and closing mechanism for driving the air baffle to open and close is arranged in the air inlet duct. The air baffle is arranged on one side of each air inlet, when waste gas is introduced, the air baffle at the opened air inlet valve can be used for guiding the waste gas entering the air inlet duct, and the problem that a large amount of waste gas in the air inlet duct flows through the opened air inlet valve and then flows back to influence the exhaust smoothness of the waste gas is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to an RTO valve mechanism. Background Art

[0002] RTO waste gas treatment equipment is an organic waste gas treatment equipment that heats organic waste gas to above 760℃ and undergoes oxidation reaction at high temperature, so that hydrocarbons in the waste gas are oxidized into CO2 and H2O and discharged directly into the atmosphere. The regenerative RTO is equipped with a heat storage body before the heating chamber, and multiple sets of valves are provided. The flow direction of the waste gas entering the heating chamber is controlled by different combinations of inlet and outlet valves, so that the heat storage body can play the role of heat storage and preheating the waste gas, saving the heating energy required for the heating chamber. An air inlet is set on one side of the multiple sets of valves, and an air outlet is set on the other side. If there are more sets of valves and the air inlet is longer, since the valve is set on the side of the air inlet, the waste gas cannot directly enter the open valve after entering the air inlet, but will flow to the end of the air inlet and accumulate, and then gradually flow back to the open valve. The refluxed waste gas will affect the airflow and affect the smoothness of the waste gas discharge. Utility Model Content

[0003] The purpose of the utility model is to avoid the deficiencies of the prior art and provide an RTO valve mechanism, thereby effectively solving the deficiencies in the prior art.

[0004] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: an RTO valve mechanism, including an air inlet duct, a transition chamber and an air outlet duct, a plurality of air inlet valves are arranged between the air inlet duct and the transition chamber, a plurality of air outlet valves are arranged between the air outlet duct and the transition chamber, the air inlet valve includes an air inlet valve plate and a first driving device that drives the air inlet valve plate to move forward and backward, a plurality of air inlets are arranged between the air inlet duct and the transition chamber in cooperation with the air inlet valve plate, the air outlet valve includes an air outlet valve plate and a second driving device that drives the air outlet valve plate to move forward and backward, a plurality of air outlets are arranged between the air outlet duct and the transition chamber in cooperation with the air outlet valve plate, a wind shield is arranged on the outer periphery of the air inlet away from the direction of air intake of the air inlet duct, and an opening and closing mechanism that drives the wind shield to open and close is arranged in the air inlet duct.

[0005] Furthermore, the opening and closing mechanism includes a support plate arranged on the air intake valve plate, and an elastic member tending to force the wind deflector to press against the support plate is arranged at the hinge of the wind deflector.

[0006] Furthermore, a block is provided in the air inlet duct on the opposite side of the air inlet and can be blocked at the rear side of the wind shield.

[0007] Furthermore, a sealing gasket is provided on the stopper.

[0008] Furthermore, an extension plate is provided on the side of the air inlet, and the extension plate protrudes outward from the outer end of the air inlet.

[0009] Furthermore, an air guide plate is provided between the extension plate and the air inlet.

[0010] Furthermore, the support plate is arranged on a side of the intake valve plate away from the intake port.

[0011] The above-mentioned technical scheme of the utility model has the following beneficial effects: the utility model is provided with a wind shield on one side of each air inlet. When the exhaust gas is introduced, the wind shield at the opened air intake valve can be used to guide the exhaust gas entering the air inlet duct, thereby preventing a large amount of exhaust gas in the air inlet duct from flowing through the open air intake valve and then generating backflow, thereby affecting the smoothness of exhaust gas discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a cross-sectional schematic diagram of an embodiment of the utility model from a top view perspective;

[0013] Figure 2 for Figure 1 Enlarged view of point A in the middle. DETAILED DESCRIPTION

[0014] The following is a detailed description of the preferred implementation of the present invention in conjunction with the accompanying drawings and examples. The following examples are used to illustrate the present invention, but cannot be used to limit the scope of the present invention.

[0015] In the description of the present utility model, unless otherwise specified, "multiple" means two or more than two; the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, which is only for the convenience of describing the present utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In the description of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0016] like Figure 1-2As shown, an RTO valve mechanism of the present embodiment includes an air inlet 1, a transition chamber 2 and an air outlet 3, a plurality of air inlet valves 4 are arranged between the air inlet 1 and the transition chamber 2, a plurality of air outlet valves 5 are arranged between the air outlet 3 and the transition chamber 2, the air inlet valve 4 includes an air inlet valve plate 41 and a first driving device 42 for driving the air inlet valve plate 41 to move forward and backward, a plurality of air inlets 43 are arranged between the air inlet 1 and the transition chamber 2 in cooperation with the air inlet valve plate 41, the air outlet valve 5 includes an air outlet valve plate 51 and a second driving device 52 for driving the air outlet valve plate 51 to move forward and backward, a plurality of air outlets 53 are arranged between the air outlet 3 and the transition chamber 2 in cooperation with the air outlet valve plate 51, a windshield 6 is arranged on the periphery of the air inlet 43 away from the air inlet direction of the air inlet 1, and an opening and closing mechanism for driving the windshield 6 to open and close is arranged in the air inlet 1; the first driving device 42 and the second driving device 52 are both cylinders, and when the exhaust gas purification is working, the air inlet An air inlet valve 4 is opened at the air duct 1, and an air outlet valve 5 is opened at the air outlet duct 3 (wherein the upper sides of multiple groups of transition chambers 2 are interconnected, and from bottom to top are the transition chamber 2, the heat storage chamber and the heating chamber (not shown in the figure), and the opened air inlet valve 4 and the air outlet valve 5 are in different positions. After the exhaust gas enters the transition chamber 2, it flows upward to the heating chamber, and then flows to the corresponding position of the air outlet valve 5 and flows downward, and then flows out of the air outlet duct 3 through the air outlet valve 5. After a certain period of time, the combination of the air inlet valve 4 and the air outlet valve 5 is replaced. The opening of the heat storage chamber on the upper side has a preheating effect on the exhaust gas to achieve the purpose of energy saving. The above is the existing technology for RTO heat storage exhaust gas treatment, which will not be repeated in detail). When the exhaust gas enters the air inlet duct 1 and reaches the opened air inlet valve 4, it can be guided by the wind shield 6 to flow into the air inlet valve 4, so as to avoid the problem that a large amount of exhaust gas in the air inlet duct 1 flows through the opened air inlet valve 4 and then generates backflow, which affects the smoothness of exhaust gas discharge;

[0017] Preferably, the opening and closing mechanism includes a support plate 7 arranged on the air intake valve plate 41, and an elastic member 8 tending to force the wind shield plate 6 to press on the support plate 7 is arranged at the hinge of the wind shield plate 6; the elastic member 8 is a torsion spring, and the wind shield plate 6 is pressed on the support plate 7 through the torsion spring during the forward and backward movement of the air intake valve plate 41. When the air intake valve plate 41 is closed, the wind shield plate 6 is in an open state, and the exhaust gas can pass smoothly in the air intake duct 1. When the air intake valve plate 41 is opened, the support plate 7 will open the wind shield plate 6, and then the exhaust gas in the air intake duct 1 can be guided by the wind shield plate 6 and enter the air intake port 43 at the corresponding position;

[0018] Preferably, a stopper 9 is provided on the opposite side of the air inlet 43 in the air inlet duct 1 and can be blocked at the rear side of the wind shield 6. After the wind shield 6 is opened, the support plate 7 presses the wind shield 6 onto the stopper 9, so as to prevent the wind pressure from being too high and blowing a gap between the wind shield 6 and the support plate 7.

[0019] Preferably, a sealing gasket 10 is provided on the stopper 9;

[0020] Preferably, an extension plate 11 is provided on the side of the air inlet 43, and the extension plate 11 protrudes outward from the outer end of the air inlet 43. When closed, the wind shield 6 can be pressed on the support plate 7 in a horizontal state to prevent the wind shield 6 from tilting and causing resistance to the flow of exhaust gas;

[0021] Preferably, an air guide plate 12 is provided between the extension plate 11 and the air inlet 43, and the air guide plate 12 may point to the air inlet 43 to guide the exhaust gas;

[0022] Preferably, the support plate 7 is disposed on a side of the intake valve plate 41 away from the intake port 43 .

[0023] The embodiments of the present invention are provided for the purpose of illustration and description, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments are selected and described to better illustrate the principles and practical applications of the present invention, and to enable those of ordinary skill in the art to understand the present invention and thereby design various embodiments with various modifications suitable for specific uses.

Claims

1. An RTO valve mechanism, comprising an air inlet, a transition chamber and an air outlet, wherein a plurality of air inlet valves are arranged between the air inlet and the transition chamber, and a plurality of air outlet valves are arranged between the air outlet and the transition chamber, wherein the air inlet valve comprises an air inlet valve plate and a first driving device for driving the air inlet valve plate to move forward and backward, wherein a plurality of air inlets are arranged between the air inlet and the transition chamber in cooperation with the air inlet valve plate, wherein the air outlet valve comprises an air outlet valve plate and a second driving device for driving the air outlet valve plate to move forward and backward, wherein a plurality of air outlets are arranged between the air outlet and the transition chamber in cooperation with the air outlet valve plate, and wherein: A windshield is provided on the outer periphery of the air inlet away from the air inlet direction of the air inlet duct, and an opening and closing mechanism for driving the windshield to open and close is provided in the air inlet duct.

2. An RTO valve mechanism according to claim 1, characterized in that: The opening and closing mechanism comprises a support plate arranged on the air intake valve plate, and an elastic member tending to force the wind deflector to press on the support plate is arranged at the hinge of the wind deflector.

3. An RTO valve mechanism according to claim 2, characterized in that: A stopper which can be blocked at the rear side of the wind shield is arranged in the air inlet duct on the opposite side of the air inlet.

4. An RTO valve mechanism according to claim 3, characterized in that: A sealing gasket is arranged on the stopper.

5. The RTO valve mechanism according to claim 2, characterized in that: An extension plate is disposed on the side of the air inlet, and the extension plate protrudes outward from the outer end of the air inlet.

6. An RTO valve mechanism according to claim 5, characterized in that: An air guide plate is arranged between the extension plate and the air inlet.

7. The RTO valve mechanism according to claim 2, characterized in that: The support plate is arranged on a side of the air intake valve plate away from the air intake port.

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