Efficient catalytic combustion device

Abstract

The utility model discloses an efficient catalytic combustion device, which relates to the technical field of waste gas treatment and comprises a combustion chamber and a cyclone separator, an air blower is fixedly mounted above the combustion chamber, and an air outlet of the air blower is connected with an air inlet of the cyclone separator through a pipeline. A gas conveying cylinder is rotationally connected to the middle end in the combustion chamber and penetrates out of the combustion chamber, a plurality of exhaust hoods are annularly distributed on the surface of the gas conveying cylinder, a plurality of exhaust ports are formed in the surfaces of the exhaust hoods at equal intervals, and a transmission assembly is arranged above the combustion chamber and connected with the gas conveying cylinder to drive the gas conveying cylinder to rotate. According to the utility model, the rotatable gas transmission cylinder is arranged in the combustion chamber, the gas transmission cylinder can be driven by the transmission assembly to rotate, and injected oxygen can be quickly and uniformly distributed in the combustion chamber through the swing of the plurality of groups of exhaust hoods, so that the oxygen can be fully oxidized; before oxygen is injected, gas-solid separation is carried out through the cyclone separator, dust entering is reduced, and pollution to the combustion chamber is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field especially relates to a kind of high-efficiency catalytic combustion device. BACKGROUND

[0002] The working principle of catalytic combustion device is mainly based on gas-solid phase catalytic reaction, and its essence is deep oxidation with active oxygen. In the catalytic combustion process, the catalyst reduces the activation energy, and the catalyst surface has adsorption effect, which enriches the reactant molecules on the surface, increases the reaction rate and accelerates the reaction. With the help of catalyst, organic waste gas can occur flameless combustion at a lower ignition temperature, and oxidize and decompose into carbon dioxide and water vapor, while releasing a large amount of heat energy, so as to achieve the purpose of removing harmful substances in waste gas.

[0003] A kind of environmental protection catalytic combustion device (CN210511723U) can be referred to in prior art literature, which can achieve the purpose of filtering waste gas, prevent waste gas from being directly discharged to pollute the air, and the filter screen is convenient to disassemble, can be cleaned in time, improve the filtering effect, the catalytic combustion equipment can remove impurities from the gas after catalytic combustion, reduce the emission of greenhouse gases in the environment, can increase the humidity of the gas after catalytic combustion, and also can increase the humidity of the external environment.

[0004] In the prior art, organic matter (such as VOCs) is oxidized with oxygen in the air under the action of catalyst to generate carbon dioxide and water vapor and other harmless substances. This reaction needs enough oxygen to promote the combustion reaction. Generally, oxygen is continuously injected into the gas chamber by air injection equipment such as air blower or air pump, and the oxygen concentration inside is ensured within a suitable range. The air injection equipment is inserted into the gas chamber through the outlet connection pipeline. This air injection method is low in efficiency and difficult to quickly and comprehensively fill into the gas chamber. In the process of injecting oxygen by air injection equipment, other impurities in the external air are also carried in, which pollutes the inside of the gas chamber. Therefore, the present application designs a high-efficiency catalytic combustion device that can quickly and comprehensively inject oxygen and reduce impurities. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in the prior art and provides a high-efficiency catalytic combustion device. The utility model sets up a rotatable gas conveying cylinder in the combustion chamber. The gas conveying cylinder can rotate under the driving of the transmission assembly. The swing of multiple exhaust hoods can quickly and uniformly distribute the injected oxygen in the combustion chamber, so that sufficient oxidation reaction can be carried out. Before oxygen injection, gas-solid separation is carried out by cyclone separator to reduce the entry of dust and avoid pollution of the combustion chamber.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0007] A high-efficiency catalytic combustion device includes: a combustion chamber and a cyclone separator. A blower is fixedly installed above the combustion chamber, and the outlet of the blower is connected to the inlet of the cyclone separator via a pipeline. A gas delivery cylinder is rotatably connected to the middle of the combustion chamber and extends out of the combustion chamber. Multiple sets of exhaust hoods are distributed in a ring on the surface of the gas delivery cylinder, and multiple exhaust ports are equidistantly opened on the surface of each exhaust hood. A transmission assembly is installed above the combustion chamber and is connected to the gas delivery cylinder to drive the gas delivery cylinder to rotate. A gas guide pipe is connected to the outlet of the cyclone separator and is inserted into the interior of the gas delivery cylinder. A water tank is connected to the bottom of the cyclone separator, and the cyclone separator is in communication with the interior of the water tank.

[0008] The present invention is further configured such that a bearing is embedded and fixed above the combustion chamber, and the gas delivery cylinder is fixed in the inner ring of the bearing.

[0009] The present invention is further configured as follows: the transmission assembly includes: a mounting bracket, which is fixedly connected to the upper right side of the combustion chamber; and a motor, which is fixedly installed in the upper middle part of the mounting bracket.

[0010] The present invention is further configured as follows: a transmission cylinder one, which is connected to the upper end of the air supply cylinder and the two are internally connected; a transmission cylinder two, which is fixed to the output end of the motor; and a belt, which is sleeved on the outside of the transmission cylinder one and the transmission cylinder two.

[0011] The present invention is further configured such that a bearing is embedded and fixed at the upper end of the transmission cylinder, and the air guide tube is fixed in the inner ring of the bearing.

[0012] The present invention is further configured such that a water inlet is provided above the water tank, and a drain pipe with a valve is connected to the side of the water tank.

[0013] The present invention is further configured such that an electric heating box is installed at the bottom of the combustion chamber, an oxygen sensor is connected to the front end of the combustion chamber, the probe of the oxygen sensor is inserted into the combustion chamber, a catalytic bed is provided at the bottom of the combustion chamber, and an air inlet and an air outlet are respectively provided on the left and right sides of the combustion chamber.

[0014] The beneficial effects of this utility model are as follows:

[0015] 1. The high-efficiency catalytic combustion device has a rotatable gas delivery cylinder inside the combustion chamber. The gas delivery cylinder is driven to rotate by the transmission component, which in turn causes multiple exhaust hoods on the outside of the gas delivery cylinder to rotate synchronously. The injected oxygen is discharged into the combustion chamber through the exhaust hoods. Under the synchronous operation of rotation and gas injection, the injected oxygen can be quickly and completely filled into the combustion chamber, improving the gas injection efficiency.

[0016] 2、The high-efficiency catalytic combustion device, in the gas injection process, the gas discharged by the air blower is first subjected to gas-solid separation by the cyclone separator and then introduced into the gas conveying cylinder, which can reduce the entry of external impurities and avoid pollution to the combustion chamber, and the impurities settled at the bottom of the cyclone separator can enter the water tank, which is convenient for subsequent cleaning by concentrating and discharging the turbid liquid. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure of the high-efficiency catalytic combustion device is provided for the utility model.

[0018] Figure 2 A schematic diagram of the overall internal structure of the high-efficiency catalytic combustion device is provided for the utility model.

[0019] Figure 3 A schematic diagram of the combustion chamber structure of the high-efficiency catalytic combustion device is provided for the utility model.

[0020] Figure 4 A schematic diagram of the cyclone separator structure of the high-efficiency catalytic combustion device is provided for the utility model.

[0021] Figure 5 A schematic diagram of the gas conveying cylinder structure of the high-efficiency catalytic combustion device is provided for the utility model.

[0022] In the figure: 1, combustion chamber; 2, electric heating box; 3, air inlet; 4, air blower; 5, cyclone separator; 6, oxygen sensor; 7, catalytic bed; 8, gas outlet; 9, mounting bracket; 10, motor; 11, gas conveying cylinder; 12, bearing one; 13, water tank; 14, gas guide pipe; 15, water inlet; 16, drain pipe; 17, transmission cylinder one; 18, transmission cylinder two; 19, bearing two; 20, belt; 21, exhaust hood; 22, exhaust port. DETAILED DESCRIPTION

[0023] The technical solutions of the patent will be further described in detail below in combination with specific implementation manners.

[0024] The embodiments of the patent will be described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are only used to explain the patent, and cannot be understood as a limitation on the patent.

[0025] In the description of the patent, it should be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the patent and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the patent.

[0026] In the description of the patent, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "setting" should be understood broadly, for example, it can be fixedly connected, set, or it can be detachably connected, set, or integrally connected, set. For those skilled in the art, the specific meaning of the above terms in the patent can be understood according to the specific circumstances.

[0027] Referring to Figures 1-5 , a high-efficiency catalytic combustion device, comprising: a combustion chamber 1, air inlets 3 and air outlets 8 are arranged on the left and right sides of the combustion chamber 1, according to the prior art design, high-concentration organic waste gas enters into the combustion chamber 1 through the air inlet 3 after dry filtration and activated carbon adsorption, the air outlet 8 is connected with a heat exchange system and preheats the imported waste gas, reduces the energy consumption and operating cost of the device, a catalytic bed 7 is arranged at the bottom of the inside of the combustion chamber 1, the waste gas contacts with the catalyst in the combustion chamber 1, and an oxidation reaction occurs to generate harmless substances such as carbon dioxide and water vapor, and the electric heating box 2 at the bottom of the combustion chamber 1 provides heat transfer to the inside of the combustion chamber 1.

[0028] Specifically, as shown in Figure 1 , a blower 4, a cyclone separator 5 and a transmission assembly are arranged above the combustion chamber 1, a gas conveying cylinder 11 is rotatably connected to the middle end of the inside of the combustion chamber 1, and the gas conveying cylinder 11 penetrates out of the combustion chamber 1.

[0029] Further, as shown in Figure 5 , the inside of the gas conveying cylinder 11 is hollow, a plurality of exhaust hoods 21 are integrally connected to the outside of the gas conveying cylinder 11, and the exhaust hoods 21 are all in communication with the inside of the gas conveying cylinder 11, and exhaust ports 22 are equally arranged on the surface of the exhaust hoods 21.

[0030] The transmission assembly comprises a motor 10, as shown in Figure 1 , a mounting bracket 9 is welded above the combustion chamber 1, and the motor 10 is fixedly installed at the middle of the upper end of the mounting bracket 9.

[0031] The transmission assembly comprises a transmission cylinder one 17 and a transmission cylinder two 18, the transmission cylinder one 17 is fixed at the upper end of the gas conveying cylinder 11 and the interiors thereof are in communication, and the transmission cylinder two 18 is located at the inside of the mounting bracket 9 and is fixed with the output end of the motor 10.

[0032] And, the transmission cylinder one 17 and the transmission cylinder two 18 are driven by the belt 20, the transmission cylinder one 17 and the transmission cylinder two 18 are both designed as middle narrow and both ends wide, and the both ends of the belt 20 are sleeved in the middle narrow area, so that the belt 20 is limited to avoid loosening.

[0033] In this embodiment, the transmission cylinder two 18 is driven to rotate under the operation of the motor 10, the transmission cylinder two 18 drives the transmission cylinder one 17 to rotate through the belt 20, and the air conveying cylinder 11 is driven to rotate synchronously.

[0034] Specifically, as shown in the figure, Figure 3 The upper end of the combustion chamber 1 is embedded and fixed with the bearing one 12, and the air conveying cylinder 11 is fixed in the inner ring of the bearing one 12, so as to reduce the rotating friction of the two.

[0035] Specifically, as shown in the figure, Figures 1-2 The blower 4 is fixedly installed at the upper end of the combustion chamber 1 on the rear side, the cyclone separator 5 is connected with the water tank 13 at the bottom, and the water tank 13 is fixed at the upper end of the combustion chamber 1 on the front side.

[0036] Further, the air outlet of the blower 4 is connected with the air inlet of the cyclone separator 5 through a pipeline, and the air outlet of the cyclone separator 5 is connected with the air guide pipe 14.

[0037] Specifically, as shown in the figure, Figures 4-5 The upper end of the transmission cylinder one 17 is embedded and fixed with the bearing two 19, the air guide pipe 14 is fixed in the inner ring of the bearing two 19 and inserted into the air conveying cylinder 11, and the bearing two 19 can reduce the rotating friction of the air guide pipe 14 and the transmission cylinder one 17.

[0038] In this embodiment, air is injected through the blower 4, the gas discharged from the blower 4 first passes through the cyclone separator 5, centrifugal separation is carried out in the cyclone separator 5, the impurities with relatively large density sink downward, and clean air is discharged upward to the air guide pipe 14, so as to avoid synchronously guiding the impurities into the combustion chamber 1, the injected gas passes through the air conveying cylinder 11, the air exhaust cover 21 and the air outlet 22, and is discharged, and synchronous rotation and air injection are carried out under the driving of the transmission assembly, so that oxygen can be quickly filled into the combustion chamber 1.

[0039] Specifically, as shown in the figure, Figure 4 The impurities separated by the cyclone separator 5 enter the water tank 13, the impurities are mixed with water and then discharged through the drain pipe 16 on one side of the water tank 13, and the personnel can handle it subsequently.

[0040] At the same time, the water tank 13 is designed of transparent material, a water inlet 15 is arranged above the water tank 13, and the water source can be replaced according to the turbidity of the internal water source.

[0041] It should be noted that the device is provided with an oxygen sensor 6 at the front end of the combustion chamber 1, the probe of the oxygen sensor 6 extends into the combustion chamber 1, the internal oxygen concentration is monitored in real time, the oxygen sensor 6 is signal connected with the external control system, the device is controlled in real time through the control system, and the internal oxygen concentration of the combustion chamber 1 is ensured to be in a suitable range.

[0042] Working principle: when the utility model is used, the rotatable gas conveying cylinder 11 is arranged in the combustion chamber 1, the gas conveying cylinder 11 is driven to rotate through the transmission assembly, and then a plurality of exhaust hoods 21 on the outer side of the gas conveying cylinder 11 are synchronously rotated, the injected oxygen is discharged into the combustion chamber 1 through the exhaust hoods 21, the injected oxygen can be rapidly and comprehensively filled into the combustion chamber 1 under the synchronous operation of rotation and gas injection, the gas injection efficiency is improved, and in the gas injection process, the gas discharged by the air blower 4 is first subjected to gas-solid separation through the cyclone separator 5 and then introduced into the gas conveying cylinder 11, the design can reduce the entry of external impurities and avoid pollution to the combustion chamber 1, and the impurities settled at the bottom of the cyclone separator 5 can enter the water tank 13, so that the turbid liquid is concentrated and discharged, and subsequent cleaning is facilitated.

[0043] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A high efficiency catalytic combustion device comprising: Combustion chamber (1) and cyclone separator (5), characterized in that the upper portion of the combustion chamber (1) is fixedly provided with a blower (4), the air outlet of the blower (4) is connected with the air inlet of the cyclone separator (5) through a pipeline, the inner middle portion of the combustion chamber (1) is rotatably connected with a gas conveying cylinder (11) which penetrates the combustion chamber (1), a plurality of groups of exhaust covers (21) are annularly arranged on the surface of the gas conveying cylinder (11), a plurality of exhaust ports (22) are equidistantly arranged on the surface of each exhaust cover (21), a transmission assembly is arranged on the upper portion of the combustion chamber (1) and connected with the gas conveying cylinder (11) to drive the rotation of the gas conveying cylinder (11), and a gas guide pipe (14) is connected with the air outlet of the cyclone separator (5) and inserted into the inner portion of the gas conveying cylinder (11). The bottom of the cyclone separator (5) is connected with a water tank (13), and the cyclone separator (5) is in communication with the inner portion of the water tank (13).

2. The high efficiency catalytic combustion device of claim 1, wherein, The upper portion of the combustion chamber (1) is embedded with a bearing one (12), and the gas conveying cylinder (11) is fixed in the inner ring of the bearing one (12).

3. The high efficiency catalytic combustion device of claim 1, wherein, The transmission assembly comprises: A mounting frame (9) is fixedly connected to the right side of the upper end of the combustion chamber (1); A motor (10) is fixedly arranged on the upper middle portion of the mounting frame (9).

4. The high efficiency catalytic combustion device of claim 3, wherein, The transmission assembly comprises: A transmission cylinder one (17) is connected to the upper end of the gas conveying cylinder (11) and the inner portions of the two are through; A transmission cylinder two (18) is fixedly arranged on the output end of the motor (10); A belt (20) is sleeved on the outer sides of the transmission cylinder one (17) and the transmission cylinder two (18).

5. The high efficiency catalytic combustion device of claim 4, wherein, The upper end of the transmission cylinder one (17) is embedded with a bearing two (19), and the gas guide pipe (14) is fixed in the inner ring of the bearing two (19).

6. The high efficiency catalytic combustion device of claim 1, wherein, A water inlet (15) is arranged on the upper portion of the water tank (13), and a drain pipe (16) with a valve is connected to the side portion of the water tank (13).

7. The high efficiency catalytic combustion device of claim 1, wherein, An electric heating box (2) is arranged on the bottom of the combustion chamber (1), an oxygen sensor (6) is connected to the front end of the combustion chamber (1), the probe portion of the oxygen sensor (6) is inserted into the combustion chamber (1), a catalytic bed (7) is arranged on the inner bottom portion of the combustion chamber (1), and an air inlet (3) and an air outlet (8) are arranged on the left and right sides of the combustion chamber (1) respectively.

Images