Heat accumulating type CO catalytic combustion mechanism

Abstract

The utility model discloses a heat accumulating type CO catalytic combustion mechanism which comprises a heating furnace, a catalytic furnace, a return pipe and a discharge chimney, the first end of the return pipe is communicated with the heating furnace, the second end of the return pipe is communicated with the catalytic furnace, a turbofan with a downward wind direction is arranged in the return pipe, and the turbofan is electrically connected with a controller; the heating furnace and the catalytic furnace are internally communicated with the return pipe, and the turbofan is arranged in the return pipe, so that part of waste gas can be guided back into the heating furnace, the waste gas is heated again under the action of the heater and then rises into the catalytic furnace to react, and the waste gas is fully subjected to catalytic decomposition; the waste gas can be thoroughly oxidized and decomposed into carbon dioxide and water in the catalysis process, and the decomposition coverage rate is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a regenerative catalytic combustion CO mechanism. Background Art

[0002] In a workshop painting production line, a large amount of high-concentration organic waste gas is generated. If the generated waste gas is directly discharged into the atmosphere without treatment, it will seriously pollute the atmospheric environment. Currently, the catalytic combustion method is mostly used to treat organic waste gas. Its working principle is to raise the waste gas containing organic solvents to a certain temperature, and with the help of a catalyst, the organic waste gas undergoes flameless combustion at a lower ignition temperature, and is oxidized and decomposed into CO2 and H2O, while releasing a large amount of heat energy.

[0003] In the currently common regenerative catalytic combustion waste gas treatment equipment on the market, when treating waste gas, in order to increase the efficiency of waste gas treatment, the ventilation equipment of the mechanism is strengthened to increase the flow rate of the waste gas. Due to the too-fast flow of the air duct in the existing mechanisms on the market, some waste gas is not completely oxidized and decomposed during the catalytic process, resulting in a reduction in the decomposition coverage rate of the waste gas and causing environmental pollution. Summary of the Utility Model

[0004] The utility model aims to at least solve one of the technical problems existing in the prior art. For this purpose, the utility model provides a regenerative catalytic combustion CO mechanism, which can fully catalytically decompose waste gas, is beneficial to the complete oxidation and decomposition of waste gas during the catalytic process, and improves the decomposition coverage rate.

[0005] A regenerative catalytic combustion CO mechanism according to an embodiment of the utility model includes:

[0006] A heating furnace, the left side of the heating furnace is connected to an inlet pipe, the inlet pipe is connected to a filter, a heater is arranged on the inner bottom surface of the heating furnace, and a controller electrically connected to the heater is arranged on the outer wall of the heating furnace;

[0007] A catalytic furnace, the catalytic furnace is arranged above the heating furnace, a ventilation pipe connected to the heating furnace is arranged at the bottom of the catalytic furnace, a catalytic plate is arranged at the outlet of the ventilation pipe inside the catalytic furnace, and an outlet pipe is arranged on the right side of the catalytic furnace;

[0008] A return pipe, the first end of the return pipe is connected to the heating furnace, the second end of the return pipe is connected to the catalytic furnace, a turbine fan with a downward wind direction is arranged inside the return pipe, and the turbine fan is electrically connected to the controller;

[0009] An exhaust chimney is provided on the right side of the heating furnace and the catalytic furnace. The air outlet of the air outlet pipe is connected to the exhaust chimney, and a blower with a downward air direction is arranged inside the air outlet pipe and electrically connected to the controller.

[0010] According to some embodiments of the present invention, the filter includes a collection tank, a filter screen and a first locking assembly. The collection tank is arranged at the inner bottom of the filter, the filter screen is vertically arranged inside the filter, a first opening is provided on the upper wall of the filter, and the first locking assembly is adapted to the first opening.

[0011] According to some embodiments of the present invention, the first locking assembly includes a first fixing column, a first rotating shaft, a first fixing plate, a first bolt, a first sealing plate and a second rotating shaft. The first end of the first fixing column is vertically arranged on the filter, the first rotating shaft is movably connected to the second end of the first fixing column, the first end of the first fixing plate is movably adapted to the first fixing column through the first rotating shaft, the first sealing plate can be movably covered on the first opening through the second rotating shaft, and the second end of the first fixing plate is threadedly connected to the first sealing plate through the first bolt.

[0012] According to some embodiments of the present invention, a temperature sensor electrically connected to the controller is arranged on the top of the catalytic furnace, and the sensing end of the temperature sensor penetrates into the interior of the catalytic furnace.

[0013] According to some embodiments of the present invention, a carbon dioxide concentration detector electrically connected to the controller is arranged on the return pipe, and the carbon dioxide concentration detector is located above the turbine fan.

[0014] According to some embodiments of the present invention, a second opening and a second locking assembly are arranged on the side wall of the catalytic furnace. The position of the second opening corresponds to the position of the catalytic plate, and the second locking assembly corresponds to the second opening.

[0015] According to some embodiments of the present invention, the sensor is arranged on the top of the control box and is connected to the control board.

[0016] According to some embodiments of the present utility model, the second locking assembly includes a second fixing column, a third rotating shaft, a second fixing plate, a second bolt, a second sealing plate and a fourth rotating shaft. The first end of the second fixing column is vertically arranged on the filter, the third rotating shaft is movably connected to the second end of the second fixing column, the first end of the second fixing plate is movably adapted to the second fixing column through the third rotating shaft, the second sealing plate can movably cover the second opening through the fourth rotating shaft, and the second end of the second fixing plate is threadedly connected to the second sealing plate through the second bolt.

[0017] Compared with the prior art, the present utility model has the following beneficial effects:

[0018] The portable blood specimen transportation and storage device provided by the present utility model is provided with a return pipe communicating between the heating furnace and the catalytic furnace, and a turbo fan is arranged in the return pipe, which can guide a part of the waste gas back to the heating furnace, so that the waste gas is reheated under the action of the heater, and then rises to the catalytic furnace for reaction, so as to fully catalytically decompose the waste gas, which is beneficial to the complete oxidation decomposition of the waste gas into carbon dioxide and water during the catalytic process, and improves the decomposition coverage rate. Description of the Drawings

[0019] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

[0020] Figure 1 is a schematic structural diagram of the regenerative catalytic combustion CO mechanism provided by the present utility model;

[0021] Figure 2 is an internal structure diagram of the regenerative catalytic combustion CO mechanism provided by the present utility model;

[0022] Figure 3 is Figure 2 a partial enlarged view of point A of

[0023] Figure 4 is Figure 2 a partial enlarged view of point B of

[0024] The markings in the drawings are described as follows:

[0025] Heating furnace 100, intake pipe 110, filter 120, collection tank 121, filter screen 122;

[0026] First locking assembly 123, first fixing column 1231, first rotating shaft 1232, first fixing plate 1233, first bolt 1234, first sealing plate 1235 and second rotating shaft 1236;

[0027] The first opening 124, the heater 130, the controller 140;

[0028] The catalytic furnace 200, the ventilation pipe 210, the catalytic plate 220, the exhaust pipe 230, the second opening 240, the temperature sensor 250;

[0029] The second locking assembly 260, the second fixing column 261, the third rotating shaft 262, the second fixing plate 263, the second bolt 264, the second sealing plate 265, the fourth rotating shaft 266;

[0030] The reflux pipe 300, the turbine fan 310, the carbon dioxide concentration detector 320, the emission chimney 400, the fan 410. Specific embodiments

[0031] The embodiments of the present invention will be described in detail below. The examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and are only used to explain the present invention and should not be construed as a limitation of the present invention.

[0032] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

[0033] In the description of the present invention, the meaning of "a number of" is one or more, the meaning of "a plurality of" is two or more, understandings such as "greater than", "less than", "exceeding", etc. do not include the present number, and understandings such as "above", "below", "within", etc. include the present number. If the first and second are described only for the purpose of distinguishing technical features, they should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence relationship of the indicated technical features.

[0034] In the description of the present invention, unless otherwise clearly defined, terms such as "set", "installed", "connected", etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific content of the technical solution.

[0035] Specifically, please refer to Figure 1-2 , the regenerative catalytic combustion CO mechanism specifically includes:

[0036] Heating furnace 100, an intake pipe 110 is connected to the left side of the heating furnace 100, the intake pipe 110 is connected to a filter 120, a heater 130 is arranged on the inner bottom surface of the heating furnace 100, and a controller 140 electrically connected to the heater 130 is arranged on the outer wall of the heating furnace 100;

[0037] Catalytic furnace 200, the catalytic furnace 200 is arranged above the heating furnace 100, a through pipe 210 connected to the heating furnace 100 is arranged at the bottom of the catalytic furnace 200, a catalytic plate 220 is arranged at the outlet of the through pipe 210 inside the catalytic furnace 200, and an outlet pipe 230 is arranged on the right side of the catalytic furnace 200;

[0038] Return pipe 300, the first end of the return pipe 300 is connected to the heating furnace 100, the second end of the return pipe 300 is connected to the catalytic furnace 200, a turbine fan 310 with a downward air direction is arranged inside the return pipe 300, and the turbine fan 310 is electrically connected to the controller 140;

[0039] Emission chimney 400, the emission chimney 400 is arranged on the right side of the heating furnace 100 and the catalytic furnace 200, the outlet of the outlet pipe 230 is connected to the emission chimney 400, and a blower 410 electrically connected to the controller 140 and with a downward air direction is arranged inside the outlet pipe 230.

[0040] The regenerative catalytic combustion CO mechanism provided by the present utility model, by connecting a return pipe 300 between the heating furnace 100 and the catalytic furnace 200, and arranging a turbine fan 310 in the return pipe 300, can guide a part of the waste gas back into the heating furnace 100, heat the waste gas again under the action of the heater 130, and then rise to the catalytic furnace 200 for reaction, fully catalytically decomposing the waste gas, which is beneficial to the complete oxidation decomposition of the waste gas into carbon dioxide and water during the catalytic process and improves the decomposition coverage rate.

[0041] In order to enable those skilled in the art to better understand the solution of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

[0042] It should be noted that, without conflict, the embodiments and the features and technical solutions in the embodiments in the present utility model can be combined with each other.

[0043] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. Embodiment 1

[0044] Please refer to Figure 1-2, a regenerative catalytic combustion CO mechanism, which includes a heating furnace 100. An intake pipe 110 is connected to the left side of the heating furnace 100. The intake pipe 110 is connected to a filter 120. A heater 130 is provided on the inner bottom surface of the heating furnace 100. A controller 140 electrically connected to the heater 130 is provided on the outer wall of the heating furnace 100;

[0045] A catalytic furnace 200 is provided above the heating furnace 100. A vent pipe 210 connected to the heating furnace 100 is provided at the bottom of the catalytic furnace 200. The vent pipe 210 is connected to the catalytic furnace 200. A catalytic plate 220 is provided at the outlet of the vent pipe 210 inside the catalytic furnace 200. An outlet pipe 230 is provided on the right side of the catalytic furnace 200;

[0046] A return pipe 300, the first end of the return pipe 300 is connected to the heating furnace 100, the second end of the return pipe 300 is connected to the catalytic furnace 200. A turbine fan 310 with a downward air direction is provided inside the return pipe 300. The turbine fan 310 is electrically connected to the controller 140;

[0047] An exhaust chimney 400 is provided on the right side of the heating furnace 100 and the catalytic furnace 200. The outlet of the outlet pipe 230 is connected to the exhaust chimney 400. A blower 410 electrically connected to the controller 140 and with a downward air direction is provided inside the outlet pipe 230.

[0048] Through the above structural design, the catalytic plate 220 uses a honeycomb ceramic catalyst, and the active component is a noble metal type catalyst, with a service life of 15,000 - 20,000 hours. The controller 140 is a PLC and can automatically control the operation, and can control the rotation speeds of the turbine fan 310 and the blower 410; the filter 120 can handle low-concentration organic waste gas, remove fine particles in the gas, and prevent pollution of the subsequent catalyst; the return pipe 300 is made of galvanized sheet, and a turbine fan 310 is provided inside the return pipe 300, which is used to re-flow the waste gas in the catalytic furnace 200 back into the heating furnace 100. By connecting the heating furnace 100 and the catalytic furnace 200 with a return pipe 300 and providing a turbine fan 310 in the return pipe 300, a part of the waste gas can be guided back into the heating furnace 100, heated again under the action of the heater 130, and then rise to the catalytic furnace 200 to react, fully catalytically decompose the waste gas, which is beneficial to the complete oxidation decomposition of the waste gas into carbon dioxide and water during the catalytic process, and improve the decomposition coverage rate.

[0049] Please refer to Figure 1-3, Specifically, the filter 120 includes a collection tank 121, a filter screen 122, and a first locking assembly 123. The collection tank 121 is arranged at the inner bottom of the filter 120. The filter screen 122 is vertically arranged inside the filter 120. There is a first opening 124 on the upper wall of the filter 120, and the first locking assembly 123 is fitted on the first opening 124.

[0050] Through the above structural design, the collection tank 121 is used to collect the waste solids shed from the filter screen 122 to prevent them from entering the interior of the mechanism. The material of the filter screen 122 is filter cotton and non-woven fabric, which is a plate structure and can be disassembled and installed through the first opening 124, facilitating convenient replacement. The first locking assembly 123 can seal the first opening 124, which is beneficial to maintaining the airtightness of the chamber and preventing the leakage of organic waste gas.

[0051] Please refer to Figure 3 , Specifically, the first locking assembly 123 includes a first fixing column 1231, a first rotating shaft 1232, a first fixing plate 1233, a first bolt 1234, a first sealing plate 1235, and a second rotating shaft 1236. The first end of the first fixing column 1231 is vertically arranged on the filter 120. The first rotating shaft 1232 is movably connected to the second end of the first fixing column 1231. The first end of the first fixing plate 1233 is movably fitted on the first fixing column 1231 through the first rotating shaft 1232. The first sealing plate 1235 can be movably covered on the first opening 124 through the second rotating shaft 1236. The second end of the first fixing plate 1233 is threadedly connected to the first sealing plate 1235 through the first bolt 1234.

[0052] Through the above structural design, the first locking assembly 123 is used to seal the first opening 124, which is beneficial to maintaining the airtightness of the chamber and preventing the leakage of organic waste gas. The first fixing plate 1233 is hinged to the first fixing column 1231 through the first rotating shaft 1232, and the first fixing column 1231 can make a flipping motion. The first sealing plate 1235 is hinged to the filter 120 through the first rotating shaft 1232. The first fixing plate 1233 can be threadedly connected to the first sealing plate 1235 through the first bolt 1234. When it is necessary to replace the filter screen 122, only need to manually unscrew the first bolt 1234, open the first fixing plate 1233 and the first sealing plate 1235 in sequence, and manually replace the filter screen 122 from the first opening 124. Embodiment 2

[0053] Further optimize the regenerative catalytic combustion CO mechanism provided in Embodiment 1. Specifically, as Figure 1-2 shown, a temperature sensor 250 electrically connected to the controller 140 is arranged at the top of the catalytic furnace 200, and the sensing end of the temperature sensor 250 penetrates into the interior of the catalytic furnace 200.

[0054] With the above structural design, the temperature sensor 250 can monitor the temperature inside the heating furnace 100, and the controller 140 can directly obtain the temperature in degrees Celsius inside the heating furnace 100, which helps prevent overheating.

[0055] Specifically, the reflux pipe 300 is provided with a carbon dioxide concentration detector 320 electrically connected to the controller 140, and the carbon dioxide concentration detector 320 is located above the turbine fan 310.

[0056] With the above structural design, the carbon dioxide concentration detector 320 can monitor the carbon dioxide concentration inside the equipment, and the controller 140 can directly obtain the value of the carbon dioxide concentration inside the equipment. Embodiment 3

[0057] The regenerative catalytic combustion CO mechanism provided in Embodiment 1 or 2 is further optimized, as Figure 4 shown, the side wall of the catalytic furnace 200 is provided with a second opening 240 and a second locking assembly 260. The position of the second opening 240 corresponds to the position of the catalytic plate 220, and the second locking assembly 260 corresponds to the second opening 240.

[0058] With the above structural design, the second locking assembly 260 can seal the second opening 240, which helps maintain the airtightness of the room and prevent the leakage of organic waste gas.

[0059] Specifically, the second locking assembly 260 includes a second fixing column 261, a third rotating shaft 262, a second fixing plate 263, a second bolt 264, a second sealing plate 265 and a fourth rotating shaft 266. The first end of the second fixing column 261 is vertically arranged on the filter 120, the third rotating shaft 262 is movably connected to the second end of the second fixing column 261, the first end of the second fixing plate 263 is movably adapted to the second fixing column 261 through the third rotating shaft 262, the second sealing plate 265 can be movably connected and covered on the second opening 240 through the fourth rotating shaft 266, and the second end of the second fixing plate 263 is threadedly connected to the second sealing plate 265 through the second bolt 264.

[0060] Through the above structural design, the second locking assembly 260 is used to seal the second opening 240, which is beneficial to maintaining the airtightness of the room and preventing the leakage of organic waste gas. The second fixing plate 263 is hinged to the second fixing column 261 through the third rotating shaft 262, and the second fixing column 261 can perform a flipping motion. The second sealing plate 265 is hinged to the filter 120 through the fourth rotating shaft 266. The second fixing plate 263 can be threadedly connected to the second sealing plate 265 through the second bolt 264. When it is necessary to replace the filter mesh 122, only need to manually unscrew the second bolt 264, open the second fixing plate 263 and the second sealing plate 265 in sequence, and manually replace the catalytic plate 220 from the second opening 240.

[0061] The use process of the regenerative catalytic combustion CO mechanism provided by the present utility model is as follows:

[0062] The organic waste gas in the SMT workshop first enters the filter 120 from the intake pipe 110 to remove fine particles in the gas and prevent pollution of the subsequent catalyst. The filtered gas then enters the heating furnace 100 to heat up the waste gas, and then rises into the catalytic furnace 200 for a chemical reaction to become carbon dioxide and water, and the gas is purified. Subsequently, a part of the waste gas enters the return pipe 300, and the waste gas is re-entered into the heating furnace 100 through the turbine fan 310 for reaction, and finally discharged into the emission chimney 400 at a high altitude through the outlet pipe 230.

[0063] In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "schematic embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0064] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A regenerative catalytic combustion CO mechanism, characterized in that, Comprising: A heating furnace (100), an intake pipe (110) is connected to the left side of the heating furnace (100), the intake pipe (110) is connected to a filter (120), a heater (130) is arranged on the inner bottom surface of the heating furnace (100), and a controller (140) electrically connected to the heater (130) is arranged on the outer wall of the heating furnace (100); A catalytic furnace (200), the catalytic furnace (200) is arranged above the heating furnace (100), a through pipe (210) connected to the heating furnace (100) is arranged at the bottom of the catalytic furnace (200), a catalytic plate (220) is arranged at the outlet of the through pipe (210) inside the catalytic furnace (200), and an outlet pipe (230) is arranged on the right side of the catalytic furnace (200); A return pipe (300), the first end of the return pipe (300) is connected to the heating furnace (100), the second end of the return pipe (300) is connected to the catalytic furnace (200), a turbine fan (310) with a downward air flow direction is arranged inside the return pipe (300), and the turbine fan (310) is electrically connected to the controller (140); An exhaust chimney (400), the exhaust chimney (400) is arranged on the right side of the heating furnace (100) and the catalytic furnace (200), the outlet of the outlet pipe (230) is connected to the exhaust chimney (400), and a blower (410) electrically connected to the controller (140) and with a downward air flow direction is arranged inside the outlet pipe (230).

2. The regenerative catalytic combustion CO mechanism according to claim 1, characterized in that, The filter (120) includes a collection tank (121), a filter screen (122) and a first locking assembly (123), the collection tank (121) is arranged at the inner bottom of the filter (120), the filter screen (122) is vertically arranged inside the filter (120), a first opening (124) is arranged on the upper wall of the filter (120), and the first locking assembly (123) is fitted on the first opening (124).

3. The regenerative catalytic combustion CO mechanism according to claim 2, wherein The first locking assembly (123) includes a first fixing column (1231), a first rotating shaft (1232), a first fixing plate (1233), a first bolt (1234), a first sealing plate (1235) and a second rotating shaft (1236), the first end of the first fixing column (1231) is vertically arranged on the filter (120), the first rotating shaft (1232) is movably connected to the second end of the first fixing column (1231), the first end of the first fixing plate (1233) is movably fitted on the first fixing column (1231) through the first rotating shaft (1232), the first sealing plate (1235) can movably cover the first opening (124) through the second rotating shaft (1236), and the second end of the first fixing plate (1233) is threadedly connected to the first sealing plate (1235) through the first bolt (1234).

4. The regenerative catalytic combustion CO mechanism according to claim 1, characterized in that, A temperature sensor (250) electrically connected to the controller (140) is provided at the top of the catalytic furnace (200), and the sensing end of the temperature sensor (250) penetrates into the interior of the catalytic furnace (200).

5. The regenerative catalytic combustion CO mechanism according to claim 4, characterized in that, A carbon dioxide concentration detector (320) electrically connected to the controller (140) is provided on the reflux pipe (300), and the carbon dioxide concentration detector (320) is located above the turbine fan (310).

6. The regenerative catalytic combustion CO mechanism according to claim 1, characterized in that A second opening (240) and a second locking assembly (260) are provided on the side wall of the catalytic furnace (200). The position of the second opening (240) corresponds to the position of the catalytic plate (220), and the second locking assembly (260) corresponds to the second opening (240).

7. The regenerative catalytic combustion CO mechanism according to claim 6, wherein The second locking assembly (260) includes a second fixing column (261), a third rotating shaft (262), a second fixing plate (263), a second bolt (264), a second sealing plate (265) and a fourth rotating shaft (266). The first end of the second fixing column (261) is vertically provided on the filter (120), the third rotating shaft (262) is movably connected to the second end of the second fixing column (261), the first end of the second fixing plate (263) is movably adapted to the second fixing column (261) through the third rotating shaft (262), the second sealing plate (265) can movably cover the second opening (240) through the fourth rotating shaft (266), and the second end of the second fixing plate (263) is threadedly connected to the second sealing plate (265) through the second bolt (264).

Images