RCO organic waste gas catalytic combustion device

Abstract

The utility model relates to the technical field of waste gas catalysis, and discloses an RCO organic waste gas catalytic combustion device, which is characterized in that a sleeve cover is sleeved outside one end of a catalytic furnace, a fixed ring is welded on the outer wall of one end of the catalytic furnace close to the sleeve cover, one end of the fixed ring far away from the sleeve cover is rotatably connected with a disc, and three bent chutes are uniformly arranged on the outer wall of the periphery of the disc; fasteners are connected to the inner walls of the three bent sliding grooves in a sliding mode, clamping blocks are installed at the bottom ends of the fasteners, and the three clamping blocks are located on the outer walls of the periphery of the sleeve cover respectively. Through the arrangement of the clamping blocks and the bent sliding grooves, the three fastening pieces are hinged to the center positioning ring through the movable rods to form a linkage mechanism, when the disc is rotated, the bent sliding grooves drive the three clamping blocks to synchronously contract towards the center of the sleeve cover, uniform annular pressure distribution is achieved, an activated carbon adsorption layer in the sleeve cover is conveniently replaced or a catalytic furnace is conveniently overhauled at regular intervals, and the working efficiency is improved. And meanwhile, long-term sealing performance is kept.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas catalysis technical field, concretely is a kind of RCO organic waste gas catalytic combustion device. BACKGROUND

[0002] There are more organic waste gas, oxygen-containing combustible gas and other by-product combustible gas in chemical, metallurgical, mechanical and other industrial enterprises, and the industrial organic waste gas generally contains hydrocarbon compounds, oxygen-containing organic compounds, nitrogen, sulfur, phosphorus, halogen organic compounds, etc., if these organic waste gas is not treated, directly discharged into atmosphere will cause serious pollution to environment, and cause great harm to human health.

[0003] Application No. CN202320898162.6 discloses a kind of RCO catalytic combustion device, involve RCO catalytic combustion technical field, including base, the left side of the base is equipped with dry filter box.The utility model plays the role of accelerating adsorption stage purification by the adsorption air pipe connected to the left side of desorption fan, makes the adsorption bed connected to the top of adsorption air pipe play the role of fan and connecting pipe to blow hot air into activated carbon bed, so that activated carbon bed is heated, after the activated carbon of activated carbon adsorption process changes in temperature, organic matter in waste gas is gasified and resolved from activated carbon, under the guidance of fan negative pressure, organic matter enters catalytic combustion bed again by desorption pipeline and is heated, and noble metal catalyst filled in catalytic combustion bed occurs chemical reaction, organic matter is secondary decomposition purification, etc., again make the filter cotton layer installed in the inner chamber of smoke furnace and the activated carbon layer connected to the top of filter cotton layer play the role of purifying particles and toxic gas.

[0004] The device needs to disassemble screw or cut welding point one by one in daily maintenance process, because conventional catalytic device adopts bolt or welding fixed sealing cover, time-consuming and easy to damage parts, need to stop for a long time before maintenance, and repeated disassembly and assembly can lead to thread slipping or sealing surface deformation, reduce air tightness, and carbon deposition or impurities can easily block heat exchange tube, but traditional design is difficult to clean locally, and often needs to disassemble system as a whole. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is to provide a RCO organic waste gas catalytic combustion device that solves the problem of unfriendly maintenance interface.

[0006] To solve the above technical problems, the utility model is realized by the following technical scheme:

[0007] The utility model discloses a kind of RCO organic waste gas catalytic combustion devices, including combustion device and fixed assembly, the fixed assembly is installed on the outer wall of one end of combustion device, the combustion device includes catalytic furnace, the outer sleeve of one end of catalytic furnace is connected with cover, the outer wall of one end of catalytic furnace close to cover is welded with fixed ring, the one end rotationally connected with disc of fixed ring away from cover, three curved grooves are evenly provided on the outer wall of disc, three the inner wall of curved groove is slidably connected with fastener, the bottom end of fastener is installed with clamping block, three the clamping block is respectively on the outer wall of cover around. The purpose of thus setting is, in the use process of the combustion device, waste gas enters device through the air inlet valve of cover front end, first pass through activated carbon adsorption layer in the inside of cover, preliminary adsorption particulate matter in waste gas and part volatile organic compounds, waste gas enters the conducting pipe in catalytic furnace from the tail of cover, and high-temperature gas after catalytic combustion carries out heat exchange through heat exchange pipe, realizes waste gas preheating, heat exchange valve can adjust heat exchange efficiency, preheated waste gas enters the combustion chamber of catalytic furnace, and oxidation reaction occurs under the action of catalyst, organic matter is decomposed into CO2 And H2O and releases heat, reaction temperature is assistedly adjusted through air hole, high-temperature gas after combustion passes through heat exchange pipe in conducting pipe and transfers heat to newly entered waste gas, and after temperature reduction, it is discharged from top outlet pipe, and heat energy recovery significantly reduces system energy consumption, three fasteners are hinged with center positioning ring through movable rod, form linkage mechanism, when rotating disc, curved groove drives three clamping blocks to shrink to the center of cover synchronously, realize uniform annular pressure distribution, the hinge design of movable rod makes clamping block quickly slide along curved groove, only need to rotate disc to complete the locking or loosening of cover, without complex tool, positioning ring restricts the movement track of movable rod, ensures the reset accuracy of clamping block, avoids the sealing failure caused by component deviation after multiple disassembly and assembly, the structure simplifies maintenance process, facilitates regularly replacing activated carbon adsorption layer in cover or overhauling catalytic furnace, and long-term sealing performance is maintained simultaneously.

[0008] Further, the top of three fasteners is hinged with movable rod, the middle of disc is equipped with positioning ring, the other end of three movable rods is hinged on the outer wall around positioning ring. The purpose of thus setting is, in the use process of the combustion device, positioning ring restricts the movement track of movable rod, ensures the reset accuracy of clamping block, avoids the sealing failure caused by component deviation after multiple disassembly and assembly.

[0009] Further, the inner wall of catalytic furnace is fixed with conducting pipe, the middle inner wall of conducting pipe is equipped with a plurality of heat exchange pipes, and the cavity of catalytic furnace is communicated with heat exchange pipe. The purpose of thus setting is, in the use process of the combustion device, high-temperature gas after combustion passes through heat exchange pipe in conducting pipe and transfers heat to newly entered waste gas, and after temperature reduction, it is discharged from top outlet pipe.

[0010] Further, the inner wall of the top of the catalytic furnace is provided with a heat exchange valve, the tail end of the inner wall of the top of the catalytic furnace is fixedly provided with an air outlet pipe, and the bottom end of the air outlet pipe extends through the inner wall of the conducting pipe. The purpose of such arrangement is that, during use of the combustion device, the waste gas and the high-temperature gas after catalytic combustion are heat exchanged through the heat exchange pipe, the waste gas is preheated, the heat exchange valve can adjust the heat exchange efficiency, and the waste gas is discharged from the top air outlet pipe after the temperature of the waste gas is reduced.

[0011] Further, the front end of the cover is provided with an air inlet valve, the tail end of the cover extends to the inside of the catalytic furnace and the conducting pipe, and the inner wall of the cover is provided with an activated carbon adsorption layer. The purpose of such arrangement is that, during use of the combustion device, the waste gas enters the device through the air inlet valve at the front end of the cover, is preliminarily adsorbed by the activated carbon adsorption layer in the inside of the cover, and the particulate matters and part of volatile organic compounds in the waste gas are adsorbed, and the waste gas enters the conducting pipe in the catalytic furnace from the tail end of the cover.

[0012] Further, a group of air permeable holes are formed in the outer wall of one side of the catalytic furnace, and a support is welded to the outer wall of the bottom of the catalytic furnace. The purpose of such arrangement is that, during use of the combustion device, the waste gas is oxidized under the action of the catalyst, the organic matters are decomposed into CO2 and H2O and heat is released, the reaction temperature is adjusted through the air permeable holes, and the device is fixed on the ground by the support to stably work.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model discloses a setting of the clamp block and the bent chute, three fasteners are hinged with the center positioning ring through the movable rod, form the linkage mechanism, when rotating the disc, the bent chute drives three clamp blocks to shrink to the cover center synchronously, realize even annular pressure distribution, and it is convenient for regularly replacing the activated carbon adsorption layer in the cover or overhauling the catalytic furnace, and long -term sealing performance is kept simultaneously.

[0015] (2) The utility model discloses a setting of the positioning ring and the movable rod, the hinge design of the movable rod makes the clamp block can slide along the bent chute quickly, can complete the locking or loosening of the cover only by rotating the disc, does not need complicated tool, the positioning ring restricts the movement track of the movable rod, ensures the reset accuracy of the clamp block, avoids the sealing failure caused by the component deviation after multiple disassembly and assembly, and the structure simplifies the maintenance process.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages mentioned above. DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0018] Figure 1 It is the main body structure schematic diagram of the present application;

[0019] Figure 2 It is the combustion device partial split structure schematic diagram of the present application;

[0020] Figure 3 It is the combustion device cross section structure schematic diagram of the present application;

[0021] Figure 4 It is the fixed assembly split structure schematic diagram of the present application;

[0022] In the drawings, the component list represented by each mark is as follows:

[0023] In the drawings: 1, combustion device; 101, catalytic furnace; 102, support; 103, conduction pipe; 104, cover; 105, air inlet valve; 106, air hole; 107, heat exchange valve; 108, air outlet pipe; 109, activated carbon adsorption layer; 110, heat exchange pipe; 2, fixed assembly; 201, fixed ring; 202, disc; 203, curved chute; 204, fastener; 205, clamping block; 206, movable rod; 207, positioning ring. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application, obviously, the described embodiments are only some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0025] Please refer to Figures 1-4The utility model discloses a kind of RCO organic waste gas catalytic combustion devices, including combustion device 1 and fixed assembly 2, fixed assembly 2 is installed on the outer wall of one end of combustion device 1, combustion device 1 includes catalytic furnace 101, the outer sleeve of one end of catalytic furnace 101 is connected with cover 104, fixed ring 201 is welded on the outer wall of one end of catalytic furnace 101 close to cover 104, the end of fixed ring 201 away from cover 104 is rotatably connected with disc 202, three curved sliding grooves 203 are evenly provided on the outer wall of disc 202, fastener 204 is slidably connected on the inner wall of three curved sliding grooves 203, clamp block 205 is installed at the bottom of fastener 204, and three clamp blocks 205 are respectively on the outer wall of cover 104 around.The purpose of this arrangement is that in the use process of the combustion device, waste gas enters the device through the air inlet valve 105 in front of cover 104, first passes through the activated carbon adsorption layer 109 inside cover, preliminarily adsorbs particulate matter and part of volatile organic compounds in waste gas, waste gas enters the conducting pipe 103 in catalytic furnace 101 from the tail of cover 104, and the high-temperature gas after catalytic combustion exchanges heat through heat exchange pipe 110, realizes waste gas preheating, and heat exchange valve 107 can adjust heat exchange efficiency, and the waste gas after preheating enters the combustion chamber of catalytic furnace 101, and organic matter is decomposed into CO2 and H2O and releases heat under the action of catalyst, and the reaction temperature is adjusted by the air hole 106, the high-temperature gas after combustion transfers heat to newly-entered waste gas through the heat exchange pipe 110 in conducting pipe 103, and the temperature of itself is reduced, and is discharged from the top gas outlet pipe 108, and the heat energy recovery significantly reduces system energy consumption, three fasteners 204 are hinged with center positioning ring 207 through movable rod 206, form linkage mechanism, when rotating disc 202, curved sliding groove 203 drives three clamp blocks 205 to shrink to the center of cover 104 synchronously, realizes uniform annular pressure distribution, the hinge design of movable rod 206 makes clamp block 205 can slide along curved sliding groove 203 quickly, and only needs to rotate disc 202 to complete the locking or loosening of cover 104, without complex tool, positioning ring 207 restricts the movement track of movable rod, ensures the reset accuracy of clamp block 205, avoids the sealing failure caused by component deviation after disassembling and assembling multiple times, the structure simplifies maintenance process, facilitates regularly replacing activated carbon adsorption layer 109 inside cover or overhauling catalytic furnace, and simultaneously maintains long-term sealing performance.

[0026] The top of three fasteners 204 is hinged with movable rod 206, the middle part of disc 202 is provided with positioning ring 207, and the other end of three movable rods 206 is hinged on the outer wall around positioning ring 207.The purpose of this arrangement is that in the use process of the combustion device, positioning ring 207 restricts the movement track of movable rod, ensures the reset accuracy of clamp block 205, avoids the sealing failure caused by component deviation after disassembling and assembling multiple times.

[0027] The inner wall of the catalytic furnace 101 is fixed with a conducting pipe 103, and the middle inner wall of the conducting pipe 103 is provided with a plurality of heat exchange pipes 110, which are in communication with the cavity of the catalytic furnace 101. The purpose of such arrangement is that, during the use of the combustion device, the high-temperature gas after combustion transmits heat to the newly entered exhaust gas through the heat exchange pipes 110 in the conducting pipe 103, and the temperature of the high-temperature gas is reduced, and then the high-temperature gas is discharged from the top gas outlet pipe 108.

[0028] The top inner wall of the catalytic furnace 101 is provided with a heat exchange valve 107, and the tail end inner wall of the top of the catalytic furnace 101 is fixed with a gas outlet pipe 108, and the bottom end of the gas outlet pipe 108 extends through the inner wall of the conducting pipe 103. The purpose of such arrangement is that, during the use of the combustion device, the exhaust gas and the high-temperature gas after catalytic combustion exchange heat through the heat exchange pipes 110, the exhaust gas is preheated, the heat exchange efficiency can be adjusted by the heat exchange valve 107, and the exhaust gas is discharged from the top gas outlet pipe 108 after the temperature of the exhaust gas is reduced.

[0029] The front end of the cover 104 is provided with an air inlet valve 105, the tail end of the cover 104 extends to the inside of the catalytic furnace 101 and the conducting pipe 103, and the inner wall of the cover 104 is provided with an activated carbon adsorption layer 109. The purpose of such arrangement is that, during the use of the combustion device, the exhaust gas enters the device through the air inlet valve 105 at the front end of the cover 104, and first passes through the activated carbon adsorption layer 109 in the inside of the cover, preliminarily adsorbing particulate matters and part of volatile organic compounds in the exhaust gas, and then the exhaust gas enters the conducting pipe 103 in the catalytic furnace 101 from the tail end of the cover 104.

[0030] A group of air holes 106 are arranged on the outer wall of one side of the catalytic furnace 101, and a support 102 is welded on the bottom outer wall of the catalytic furnace 101. The purpose of such arrangement is that, during the use of the combustion device, the exhaust gas is oxidized under the action of the catalyst, the organic matter is decomposed into CO2 and H2O and releases heat, the reaction temperature is adjusted through the air holes 106, and the support 102 fixes the device on the ground to work stably.

[0031] In use, during use of the combustion device, the exhaust gas enters the device through the air inlet valve 105 at the front end of the cover 104, first passes through the activated carbon adsorption layer 109 inside the cover, and preliminarily adsorbs particulate matters and part of volatile organic compounds in the exhaust gas, the exhaust gas enters the conducting pipe 103 in the catalytic furnace 101 from the tail of the cover 104, exchanges heat with the high-temperature gas after catalytic combustion through the heat exchange pipe 110, realizes preheating of the exhaust gas, and the heat exchange valve 107 can adjust the heat exchange efficiency, the preheated exhaust gas enters the combustion chamber of the catalytic furnace 101, and under the action of the catalyst, oxidation reaction occurs, organic compounds are decomposed into CO2 and H2O and heat is released, the reaction temperature is assisted to be adjusted through the air hole 106, the high-temperature gas after combustion transfers heat to the newly entering exhaust gas through the heat exchange pipe 110 in the conducting pipe 103, and the temperature of the high-temperature gas itself is reduced and then discharged from the top exhaust pipe 108, the heat energy recovery significantly reduces the system energy consumption, the three fasteners 204 are hinged with the center positioning ring 207 through the movable rod 206, a linkage mechanism is formed, when the rotating disc 202 rotates, the curved sliding groove 203 drives the three clamping blocks 205 to shrink synchronously to the center of the cover 104, uniform annular pressure distribution is realized, the hinge design of the movable rod 206 enables the clamping block 205 to slide quickly along the curved sliding groove 203, and only the rotating disc 202 is needed to complete locking or loosening of the cover 104, without the need of complex tools, the positioning ring 207 restricts the movement track of the movable rod, ensures the resetting accuracy of the clamping block 205, avoids sealing failure caused by part offset after multiple disassembly and assembly, the structure simplifies the maintenance process, facilitates regular replacement of the activated carbon adsorption layer 109 in the cover or overhauls the catalytic furnace, and meanwhile maintains long-term sealing performance.

[0032] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Apparently, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. An RCO (Regenerative Catalytic Combustion) organic waste gas catalytic combustion device, comprising a combustion device (1) and a stationary assembly (2), characterized in that: The fixing component (2) is installed on the outer wall of one end of the combustion device (1). The combustion device (1) includes a catalytic furnace (101). A cover (104) is sleeved on the outer side of one end of the catalytic furnace (101). A fixing ring (201) is welded on the outer wall of the end of the catalytic furnace (101) near the cover (104). A disc (202) is rotatably connected to the end of the fixing ring (201) away from the cover (104). Three curved sliding grooves (203) are evenly opened on the outer wall of the disc (202). Fasteners (204) are slidably connected on the inner wall of the three curved sliding grooves (203). A clamping block (205) is installed at the bottom end of the fastener (204). The three clamping blocks (205) are respectively located on the outer wall of the cover (104).

2. The RCO catalytic combustion device for organic waste gas according to claim 1, characterized in that: The top of each of the three fasteners (204) is hinged with a movable rod (206), and a positioning ring (207) is provided in the middle of the disc (202). The other ends of the three movable rods (206) are hinged to the outer wall of the positioning ring (207).

3. The RCO catalytic combustion device for organic waste gas according to claim 1, characterized in that: A conductive tube (103) is fixedly provided on the inner wall of the catalytic furnace (101). Several heat exchange tubes (110) are provided on the inner wall of the middle part of the conductive tube (103). The heat exchange tubes (110) are in communication with the cavity of the catalytic furnace (101).

4. The RCO catalytic combustion device for organic waste gas according to claim 3, characterized in that: The catalytic furnace (101) has a heat exchange valve (107) installed on the inner wall of the top. The catalytic furnace (101) has an outlet pipe (108) fixed on the inner wall of the top tail end. The bottom end of the outlet pipe (108) extends through to the inner wall of the conduction pipe (103).

5. The RCO catalytic combustion device for organic waste gas according to claim 3, characterized in that: The front end of the cover (104) is provided with an air inlet valve (105), the rear end of the cover (104) extends into the interior of the catalytic furnace (101) and the conduction pipe (103), and the inner wall of the cover (104) is provided with an activated carbon adsorption layer (109).

6. The RCO catalytic combustion device for organic waste gas according to claim 1, characterized in that: A set of ventilation holes (106) are provided on one side of the outer wall of the catalytic furnace (101), and a support (102) is welded on the bottom outer wall of the catalytic furnace (101).

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