Waste gas treatment device for tea drying furnace

Abstract

The utility model relates to the technical field of tea processing equipment, and discloses a tea drying furnace waste gas treatment device which comprises a shell, a pretreatment box, a conveying pipeline, a waste gas collection cover, a cyclone separator, a second connecting pipe, a sewage collection box, a dust collection box, a purification box and an induced draft fan. According to the waste gas treatment device for the tea leaf drying furnace, through the arrangement of the pretreater, the cyclone separator and the purification box, waste gas exhausted by the drying machine can be purified, the structure is simple, the cost is low, the waste gas is effectively treated, pollution of harmful substances to tea leaves is reduced, the quality of the tea leaves is guaranteed, and the practicability is high. By arranging the waste gas collecting box and the dust collecting box, sewage and dust generated in the purification process can be collected and discharged in a centralized mode, the tea leaves are prevented from absorbing peculiar smells and harmful substances in the waste gas, and therefore the tea leaves are guaranteed to be pure in fragrance and good in taste. And impurities such as sewage and dust are prevented from influencing normal use of the device in the purification process.

Description

Technical Field

[0001] This utility model relates to the technical field of tea processing equipment, specifically to a waste gas treatment device for tea drying ovens. Background Technology

[0002] Drying is a crucial step in tea processing. Traditional tea drying ovens generate large amounts of waste gas containing dust, odors, and harmful substances during operation. If this waste gas is discharged directly without treatment, it will cause serious environmental pollution and threaten the health of nearby residents. Although there are relevant waste gas treatment devices on the market, they have some shortcomings. Some devices have complex structures, resulting in high equipment costs and difficult maintenance, which small tea processing plants cannot afford. Other devices have poor waste gas treatment effects and cannot effectively treat the waste gas. Furthermore, some devices do not have storage devices for the wastewater and dust generated during the processing, which reduces the effectiveness of waste gas treatment. Utility Model Content

[0003] (a) Technical problems to be solved

[0004] To overcome the aforementioned deficiencies of the prior art, this utility model provides a waste gas treatment device for tea drying ovens, which solves the problems in the prior art:

[0005] Some devices have complex structures, resulting in high equipment costs and difficult maintenance, which are difficult for small tea processing plants to afford. Other devices have poor exhaust gas treatment effects and cannot effectively treat exhaust gas. Furthermore, some devices do not have storage devices for the wastewater and dust generated during the treatment process, which reduces the exhaust gas treatment effect.

[0006] (II) Technical Solution

[0007] To achieve the above objectives, this utility model provides the following technical solution: a waste gas treatment device for a tea drying oven, comprising an outer shell, a pretreatment box at the top of the inner wall of the outer shell, a conveying pipe extending outward from the top of the pretreatment box, a waste gas collection hood at the outer end of the conveying pipe, cyclone separators on both sides of the pretreatment box, a second connecting pipe at the top of the cyclone separator, a wastewater collection box at the bottom of the pretreatment box, a dust collection box at the bottom of each cyclone separator, a purification box installed on one side of the outer shell via the second connecting pipe, and an induced draft fan fixedly installed on one side of the purification box.

[0008] Optionally, a maintenance door for convenient inspection of the internal structure is movably installed on the front of the housing, and an observation window for easy viewing is provided in the middle of the maintenance door.

[0009] Optionally, the inside of the pre-treatment box is provided with a coarse filter screen for blocking large-particle impurities, the inner wall of the pre-treatment box is provided with a spray head for spraying water mist, and the bottom of the pre-treatment box is provided with a sewage conveying pipe for conveying sewage.

[0010] Optionally, the inside of the purification box is sequentially provided with an activated carbon adsorption layer and a decomposition layer from left to right, the activated carbon adsorption layer is provided with three, and one side of the purification box is provided with a first connecting pipe for facilitating connection with the induced draft fan.

[0011] Optionally, the front of the sewage collection box is provided with a sewage discharge port for discharging sewage.

[0012] Optionally, one side of the cyclone separator is provided with an air inlet pipe for waste gas entering, and the bottom of the cyclone separator is provided with a dust discharge pipe for facilitating connection with the dust collection box.

[0013] (Three) beneficial effects

[0014] The utility model provides a kind of tea drying furnace waste gas treatment device, with following beneficial effects:

[0015] The tea drying furnace waste gas treatment device, by being provided with preprocessor, cyclone separator and the setting of purification box, can carry out purification treatment to the exhaust gas discharged by drying machine, its structure is simple, and cost is lower, by effectively treating waste gas, reduce the pollution of harmful substances to tea, help to guarantee the quality of tea, avoid tea in drying process absorption odour and harmful substances in waste gas, to guarantee the pure fragrance of tea, taste good, improve the market competitiveness of tea, by being provided with sewage collection box and dust collection box, the sewage and dust generated in purification process can be collected and discharged centrally, prevent sewage dust and other sundries from affecting the normal use of device in purification process. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the structure schematic view of the utility model;

[0017] Figure 2 It is the utility model Figure 1 It is the structure schematic view after removing access door;

[0018] Figure 3 It is the inside structure schematic view of the utility model.

[0019] In the figure: 1, the shell; 11, access door; 12, observation window; 2, exhaust gas collection cover; 3, conveying pipeline; 4, pretreatment box; 41, coarse filter screen; 42, spray head; 43, sewage conveying pipe; 5, purification box; 51, activated carbon adsorption layer; 52, decomposition layer; 53, first connecting pipe; 6, induced draft fan; 7, sewage collection tank; 71, sewage outlet; 8, cyclone separator; 81, air inlet pipe; 82, second connecting pipe; 83, dust exhaust pipe; 9, dust collection tank. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without making creative efforts fall within the scope of the present application.

[0021] Unless otherwise defined, the technical terms or scientific terms used in the present disclosure should be understood as the common meanings understood by those skilled in the art. The terms "first", "second", and similar terms used in the present disclosure do not represent any order, number, or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects before the terms cover the elements or objects listed after the terms and their equivalents, and do not exclude other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right", and the like are only used to represent relative positional relationships, and when the absolute positions of the described objects change, the relative positional relationships may also change accordingly.

[0022] Embodiment one:

[0023] Please refer to Figures 1 to 3 The present application provides a technical solution: a tea drying furnace exhaust gas treatment device, in order to protect the internal device during use and ensure normal use of the device, a device shell 1 and an induced draft fan 6 are arranged;

[0024] The device comprises a shell 1, an induced draft fan 6 is fixedly installed on one side of a purification box 5, an access door 11 for conveniently overhauling the internal structure is movably installed on the front of the shell 1, and an observation window 12 for conveniently observing is arranged in the middle of the access door 11. Therefore, the arrangement of the induced draft fan 6 provides power and makes the entire exhaust gas treatment device maintain stable airflow flow. The arrangement of the access door 11 facilitates overhauling when the internal device needs to be repaired. The arrangement of the observation window 12 facilitates users to observe the internal device.

[0025] Embodiment two:

[0026] In order to collect the exhaust gas in use, the device conveying pipe 3 is provided with the exhaust gas collecting cover 2;

[0027] The top of the pretreatment box 4 is provided with the conveying pipe 3 extending to the outside of the shell 1, and the conveying pipe 3 is provided with the exhaust gas collecting cover 2 at the outside end, so that the exhaust gas collecting cover 2 is arranged directly above the dryer exhaust port, facilitating the collection of the exhaust gas discharged by the dryer and preventing leakage, and the conveying pipe 3 is arranged to facilitate the discharge of the exhaust gas into the pretreatment box 4.

[0028] Example three:

[0029] In order to remove dust in the exhaust gas in use, the device pretreatment box 4, cyclone separator 8 and second connecting pipe 82 are provided;

[0030] The inner wall of the shell 1 is provided with the pretreatment box 4 at the top, the pretreatment box 4 is provided with the cyclone separator 8 on both sides, the top of the cyclone separator 8 is provided with the second connecting pipe 82, the inside of the pretreatment box 4 is provided with the coarse filter screen 41 for blocking large particle impurities, the inner wall of the pretreatment box 4 is provided with the spray head 42 for spraying water mist, the bottom of the pretreatment box 4 is provided with the sewage conveying pipe 43 for conveying sewage, one side of the cyclone separator 8 is provided with the air inlet pipe 81 for the exhaust gas to enter, the bottom of the cyclone separator 8 is provided with the dust discharge pipe 83 for connecting the dust collecting box 9, so that the second connecting pipe 82 is connected to the air outlet of the cyclone separator 8 at one end and the air inlet of the purification box 5 at the other end, for conveying the exhaust gas into the purification box 5 for next operation, the coarse filter screen 41 is arranged to intercept the larger dust particles in the exhaust gas to prevent them from entering the subsequent processing link to cause blockage or damage to the equipment, the spray head 42 is connected to the external water supply system at the other end to ensure its normal use, the spray head 42 is used to humidify and preliminarily wash the exhaust gas by spraying water mist, so that part of the soluble harmful substances are dissolved in water, and the weight of the dust in the exhaust gas is increased to facilitate the sedimentation separation of the cyclone separator 8, the air inlet pipe 81 is arranged to facilitate the exhaust gas to flow into the cyclone separator 8 from the pretreatment box 4, and the dust discharge pipe 83 is arranged to collect the dust generated during the operation of the cyclone separator 8.

[0031] Example four:

[0032] In order to collect the sewage and dust generated in the pretreatment box 4 and the cyclone separator 8, the sewage collecting box 7 and the dust collecting box 9 are provided;

[0033] The bottom of the pre-treatment box 4 is provided with a sewage collecting box 7, and the bottom of each cyclone separator 8 is provided with a dust collecting box 9; the front of the sewage collecting box 7 is provided with a sewage discharge port 71 for discharging sewage, so that the sewage collecting box 7 is used for collecting sewage generated by the pre-treatment box 4; the dust collecting box 9 is used for collecting dust generated during the operation of the cyclone separator 8; and the sewage discharge port 71 is used for facilitating the discharge of the sewage stored in the sewage collecting box 7.

[0034] Embodiment five:

[0035] In order to perform final treatment on the dust-removed waste gas, a device purification box 5 is arranged;

[0036] The purification box 5 is arranged on one side of the shell 1 through a second connecting pipe 82; the inside of the purification box 5 is sequentially provided with an activated carbon adsorption layer 51 and a decomposition layer 52 from left to right; the activated carbon adsorption layer 51 is provided with three; and one side of the purification box 5 is provided with a first connecting pipe 53 for facilitating the connection with the induced draft fan 6; therefore, the activated carbon adsorption layer 51 is arranged to adsorb peculiar smell and part of organic harmful gas in the waste gas by using the porous structure of activated carbon; the decomposition layer 52 is arranged to be a honeycomb ceramic plate and can carry a catalyst to decompose part of organic harmful gas into harmless substances such as carbon dioxide and water; and the first connecting pipe 53 is arranged to facilitate the connection between the purification box 5 and the induced draft fan 6.

[0037] The electrical components in the text are all connected with the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer.

[0038] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A tea leaf drying furnace exhaust gas treatment device comprising a housing (1), characterized in that: The inner wall top of the shell (1) is provided with a pretreatment box (4), the top of the pretreatment box (4) is provided with a conveying pipe (3) extending to the outside of the shell (1), one end of the conveying pipe (3) arranged outside is provided with a waste gas collecting cover (2), both sides of the pretreatment box (4) are provided with a cyclone separator (8), the top of the cyclone separator (8) is provided with a second connecting pipe (82), the bottom of the pretreatment box (4) is provided with a sewage collecting box (7), the bottom of each cyclone separator (8) is provided with a dust collecting box (9), one side of the shell (1) is provided with a purification box (5) through the second connecting pipe (82), one side of the purification box (5) is fixedly provided with an induced draft fan (6).

2. A tea drying stove exhaust treatment device according to claim 1, characterized in that: The front of the shell (1) is movably provided with an inspection door (11) for conveniently inspecting the internal structure, and the middle of the inspection door (11) is provided with an observation window (12) for conveniently observing.

3. A tea drying stove exhaust treatment device according to claim 1, characterized in that: The inside of the pretreatment box (4) is provided with a coarse filter screen (41) for blocking large particle impurities, the inner wall of the pretreatment box (4) is provided with a spray head (42) for spraying water mist, and the bottom of the pretreatment box (4) is provided with a sewage conveying pipe (43) for conveying sewage.

4. The tea drying stove exhaust treatment device according to claim 1, characterized in that: The inside of the purification box (5) is sequentially provided with an activated carbon adsorption layer (51) and a decomposition layer (52) from left to right, the activated carbon adsorption layer (51) is provided with three, and one side of the purification box (5) is provided with a first connecting pipe (53) for conveniently connecting with the induced draft fan (6).

5. The tea drying stove exhaust treatment device according to claim 1, characterized in that: The front of the sewage collecting box (7) is provided with a sewage discharge port (71) for discharging sewage.

6. A tea drying stove exhaust treatment device according to claim 1, characterized in that: One side of the cyclone separator (8) is provided with an air inlet pipe (81) for waste gas entering, and the bottom of the cyclone separator (8) is provided with a dust discharge pipe (83) for conveniently connecting with the dust collecting box (9).

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