Waste gas treatment device and biomass power generation device

Abstract

The utility model provides a waste gas treatment device and a biomass power generation device. The waste gas treatment device is suitable for the biomass power generation device with small waste gas emission scale. The waste gas treatment device comprises a box body, a partition plate, a gas inlet pipe, a gas outlet pipe and a dust filtering part, wherein the multiple partition plates are oppositely arranged on the inner walls of the two sides of the box body, and the partition plates are arranged in a staggered mode to divide the interior of the box body into S-shaped air channels which are bent and communicated; the air inlet pipe and the exhaust pipe are respectively communicated with the box body and are arranged at two ends of the S-shaped air passage; a dust filtering part is arranged between every two adjacent partition plates and is perpendicular to the airflow direction in the S-shaped air channel, the dust filtering parts conduct filtering and dust removal on air passing through the S-shaped air channel, the good dust separation capacity is achieved, the service life of the dust filtering parts can be prolonged after a cleaning part for the dust filtering parts is additionally arranged, and the whole device is low in part cost, simple in structure and convenient to use. The whole size is small, the waste gas treatment cost is low, and dust collection is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to waste gas treatment technical field, and specifically relates to a waste gas treatment device and a biomass power generation device. BACKGROUND

[0002] Biomass power generation is the power generation using the biomass energy of biomass, including the following several types: 1, direct combustion of agricultural and forestry waste for power generation: using agricultural and forestry waste for power generation; 2, gasification of agricultural and forestry waste for power generation: converting biomass into gaseous fuel for power generation through gasification technology; 3, waste incineration for power generation: using municipal solid waste for power generation; 4, landfill gas power generation: using the gas generated during the landfill process for power generation; 5, biogas power generation: using biogas for power generation. When biomass power generation, waste gas will be generated, such as tail gas during direct combustion of agricultural and forestry waste or waste incineration, which contains a large amount of dust, harmful substances and the like, and direct discharge will cause environmental pollution. The waste gas purification device of large biomass power generation system generally uses a cyclone dust collector to separate a large amount of solid particles carried in the waste gas, to achieve a good purification effect. However, the cyclone separator has a relatively complex structure and a large size, and is not suitable for treating small-scale biomass power generation systems such as biomass power generation devices widely used in suburban rural settlements. The existing small industrial dust collectors generally block and filter solid particles in the tail gas by installing a dust filter plate in the box, and the dust removal effect is generally low. At the same time, a large amount of dust will accumulate on the filter plate after a period of work, resulting in a decrease in dust removal efficiency. SUMMARY

[0003] Therefore, the utility model aims at providing a waste gas treatment device suitable for small-scale biomass power generation systems, which can treat waste gas for a long time with good dust removal effect.

[0004] The waste gas treatment device provided by the utility model comprises a box body, a partition plate, an air inlet pipe, an air outlet pipe and a dust filtering component.

[0005] A plurality of partition plates are oppositely arranged on the inner walls of the two sides of the box body, and the partition plates are staggered to divide the inside of the box body into S-shaped air channels in communication.

[0006] The air inlet pipe and the air outlet pipe are in communication with the box body and arranged at the two ends of the S-shaped air channels.

[0007] The dust filtering component is arranged between adjacent partition plates and perpendicular to the airflow direction in the S-shaped air channels, and the dust filtering component filters and removes dust from the gas passing through the S-shaped air channels.

[0008] The S-shaped air channel in the box body is used for prolonging the waste gas treatment path, the baffle blocks the airflow, reduces the airflow circulation rate, and part of large-particle waste dust in the waste gas slowly passing through the S-shaped air channel is settled under the action of gravity; meanwhile, a plurality of dust filtering components are arranged in the vertical direction of the airflow in the S-shaped air channel to perform multiple filtering treatment on the waste dust in the waste gas flow, and the dust removal effect is ideal.

[0009] Further, the waste gas treatment device further comprises a cleaning component, the cleaning component comprises a driving motor, a rotating disc, a convex shaft, a limiting ring and a knocking unit.

[0010] The driving motor is fixedly connected to the baffle, and a driving end of the driving motor is connected to a center point of a first side surface of the rotating disc to drive the rotating disc to rotate.

[0011] The convex shaft is fixedly connected to a second side surface of the rotating disc perpendicularly, and the convex shaft deviates from the center point of the second side surface of the rotating disc.

[0012] The limiting ring is movably sleeved on the convex shaft, a side end of the limiting ring is connected to the translating rod, the limiting block is fixedly connected to the baffle, the translating rod reciprocally translates along the left-right direction through the through hole on the limiting block, and an end portion of the translating rod away from the limiting ring is connected to the knocking block.

[0013] The cleaning component can vibrate and remove dust from the dust filtering component at a fixed time, so that the waste gas treatment device can treat waste gas for a long time without replacing the dust filtering component.

[0014] Further, the dust filtering components arranged between adjacent baffles are two, and the knocking units are symmetrically arranged on the left and right side ends of the limiting ring.

[0015] Further, the waste gas treatment device further comprises a pull-out box, the pull-out box corresponds to the dust filtering component, is arranged at the bottom of the box body and is movably connected with the box body.

[0016] Further, a filter assembly is arranged in the exhaust pipe, and the filter assembly comprises at least one of an activated carbon adsorption layer and a PP cotton filter core layer.

[0017] Further, the dust filtering component is detachably connected with the baffle.

[0018] Further, the box body comprises a top cover, and the top cover is hinged to the top of the box body.

[0019] Another aspect of the utility model further provides a biomass power generation device, the biomass power generation device includes above-mentioned waste gas device, the tail gas outlet of the biomass power generation device communicates with the air inlet pipe.

[0020] The utility model has the advantages of the following:

[0021] 1) The waste gas treatment device provided by the utility model is composed of an S-shaped air channel by a partition plate in a box body, the air channel communicated by bending reduces the speed of airflow, and when the waste gas slowly passes through the S-shaped air channel, part of particles are settled under the action of gravity, meanwhile, a plurality of dust filtering components are arranged in the vertical direction of the airflow in the S-shaped air channel to perform multiple filtering treatment on the remaining particles in the waste gas flow, so that the dust separation capacity is good, the overall volume is small, the waste gas treatment cost is low, and the dust removal effect of the small-scale biomass power generation device is ideal.

[0022] 2) The waste gas treatment device provided by the utility model is additionally provided with a cleaning component to strike and vibrate the dust filtering component to remove dust, the cleaning component has a simple structure and low cost, the cleaning component can clean the particles and waste dust adsorbed on the surface of the dust filtering component, and the service life of the dust filtering component is prolonged.

[0023] 3) The waste gas treatment device provided by the utility model is provided with a pull-out box movably connected at the bottom of the box body, the pull-out box is used for collecting the dust knocked down, and it is convenient to clean the waste dust subsequently; in addition, the box body is designed to have a cover that can be lifted, so that the components inside the box body can be conveniently cleaned and maintained. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a whole schematic view of the waste gas treatment device and the biomass power generation device provided by some embodiments of the utility model,

[0025] Figure 2 is a partial top view of the waste gas treatment device provided by some embodiments of the utility model,

[0026] Figure 3 is a whole schematic view of the cleaning component provided by some embodiments of the utility model,

[0027] Figure 4 is Figure 1 is an enlarged schematic view of part A in the figure,

[0028] Figure 5 is a schematic view of the exhaust pipe provided by some embodiments of the utility model.

[0029] BRIEF DESCRIPTION OF DRAWINGS

[0030] 001 biomass power generation device,

[0031] 100 box body,

[0032] 110 partition plate,

[0033] 120 air inlet pipe,

[0034] 130 exhaust pipe,

[0035] 140 top cover,

[0036] 200 dust filtering component,

[0037] 300 cleaning component,

[0038] 310 driving motor,

[0039] 320 rotating disc,

[0040] 330 convex shaft,

[0041] 340 limiting ring,

[0042] 350 hitting unit,

[0043] 351 translation rod,

[0044] 352 limiting block,

[0045] 353 hitting block,

[0046] 400 pulling box,

[0047] 500 filter assembly. DETAILED DESCRIPTION

[0048] For the purpose of facilitating the understanding of the present application, a more comprehensive description of the present application will be given below with reference to the relevant drawings. The drawings show the preferred embodiments of the present application. However, the present application can be realized in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0049] It should be noted that when an element is referred to as being "fixed" to another element, it can be directly on the other element or there can be an intervening element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or there can be an intervening element. In contrast, when an element is referred to as being "directly on" another element, there is no intervening element. The terms "vertical", "horizontal", "left", "right", and similar expressions used herein are for illustrative purposes only and are not intended to be the only implementation. In addition, the terms "first", "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0050] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terms used in the specification of the present application herein are only for the purpose of describing specific embodiments and are not intended to limit the present application.

[0051] As Figure 1 shown, the utility model provides a kind of waste gas treatment device, including box 100, baffle 110, intake pipe 120, exhaust pipe 130 and filter dust component 200, box 100 includes top cover 140, top cover 140 is hinged to the top of box 100, four baffles 110 are oppositely arranged in the inner wall of both sides of box 100, and baffle 110 is staggered and arranged to divide the inside of box 100 into S-shaped air passage that is bent and communicated;Intake pipe 120 and exhaust pipe 130 are communicated with box 100 respectively, and are arranged at the both ends of S-shaped air passage, as Figure 5 shown, filter assembly 500 is arranged inside exhaust pipe 130, and filter assembly 500 includes activated carbon adsorption layer and PP cotton filter core layer;Three groups of detachable filter dust components 200 are arranged between adjacent baffles 110, and each group of filter dust component 200 includes two filter dust nets, the airflow direction in S-shaped air passage is perpendicular to filter dust net, and filter dust net is used to filter dust for the gas passing through S-shaped air passage.

[0052] As Figures 2-3 shown, cleaning component 300 is arranged on baffle 110, and cleaning component 300 includes driving motor 310, rotating disc 320, convex shaft 330, limit ring 340 and beating unit 350;Beating unit 350 includes translation bar 351, limit block 352 and beating block 353;Driving motor 310 is fixedly connected to baffle 110, and the driving end of driving motor 310 is connected to the center point of the first side surface of rotating disc 320, and convex shaft 330 is vertically fixedly connected to the second side surface of rotating disc 320, and convex shaft 330 deviates from the center point of the second side surface of rotating disc 320;Limit ring 340 is movably sleeved on convex shaft 330, and limit ring 340 is symmetrically provided with beating unit 350 corresponding to two filter nets;The left and right side ends of limit ring 340 are connected with translation bar 351 respectively, limit block 352 is fixedly connected to baffle 110, translation bar 351 passes through the through hole on limit block 352, and the end portion of translation bar 351 away from limit ring 340 is connected with beating block 353.The working process of cleaning component 300 is as follows: driving motor 310 drives rotating disc 320 to rotate, and eccentric convex shaft 330 connected with rotating disc 320 drives translation bar at both ends of limit ring to reciprocate translation along left and right directions by passing through the through hole on limit block 352, and beating block 353 connected with the end portion of translation bar 351 beats and vibrates filter dust component 200 to remove dust.

[0053] As Figure 4 shown, pull-out box 400 movably connected is arranged at the bottom of box 100, and pull-out box 400 is used to collect waste dust beaten from filter dust component 200 by cleaning component corresponding to filter dust component 200.

[0054] The S-shaped air passage in the exhaust treatment device box 100 is used to lengthen the exhaust treatment path, the baffle 110 blocks the airflow, reduces the airflow circulation rate, and under the action of gravity, a part of large-particle waste dust in the exhaust gas slowly passing through the S-shaped air passage is settled; at the same time, the dust filtering component 200 arranged in the vertical direction of the airflow in the S-shaped air passage performs multiple filtering treatment on the waste dust in the exhaust gas flow, and the dust removal effect is ideal. After the exhaust treatment device operates for a period of time, the cleaning component 300 is started to hit and clean the dust filtering component 200, thereby prolonging the service life of the dust filtering component. When the dust filtering component 200 is invalid, the dust filtering component 200 needs to be replaced or the inside of the box 100 needs to be cleaned and maintained, and the box cover 140 can be opened to perform the operations.

[0055] As Figure 1 shown, the utility model also provides a kind of biomass power generation device 001, the biomass power generation device 001 includes above-mentioned exhaust device, and the tail gas outlet of biomass power generation device 001 is communicated with air inlet pipe 120.

[0056] The above provides a kind of exhaust treatment device and biomass power generation device provided by the utility model in detail. The principle and implementation mode of the utility model are described in this paper by applying specific examples, and the above embodiment is only used to help understand the core idea of the utility model. It should be pointed out that for ordinary skilled person in the art, without departing from the principle of the utility model, the utility model can be improved and modified in several ways, and these improvements and modifications also fall within the protection scope of the utility model claims.

Claims

1. An exhaust gas treatment device, characterized by, include: The enclosure (100), partition (110), air inlet pipe (120), exhaust pipe (130) and dust filter components (200); Several partitions (110) are arranged opposite to each other on the inner walls of the box (100), and the partitions (110) are staggered to divide the interior of the box (100) into a bent and connected S-shaped air passage; The intake pipe (120) and the exhaust pipe (130) are respectively connected to the housing (100) and are located at both ends of the S-shaped air passage; A dust filter element (200) is arranged between adjacent partitions (110) and is perpendicular to the airflow direction in the S-shaped air passage; It also includes a cleaning component (300), which includes a drive motor (310), a turntable (320), a cam shaft (330), a limiting ring (340), and a striking unit (350); the striking unit (350) includes a translation rod (351), a limiting block (352), and a striking block (353). The drive motor (310) is fixedly connected to the partition (110), and the drive end of the drive motor (310) is connected to the center point of the first side of the turntable (320) to drive the turntable (320) to rotate. The convex shaft (330) is vertically fixed to the second side of the turntable (320), and the convex shaft (330) is offset from the center point of the second side of the turntable (320); The limiting ring (340) is movably sleeved on the convex shaft (330). The side end of the limiting ring (340) is connected to the translation rod (351). The limiting block (352) is fixedly connected to the partition plate (110). The translation rod (351) passes through the through hole on the limiting block (352) and moves back and forth in the left and right direction. The end of the translation rod (351) away from the limiting ring (340) is connected to the striking block (353). The striking block (353) corresponds to the dust filter component (200).

2. The exhaust treatment device of claim 1, wherein, Two dust filter components (200) are arranged between adjacent partitions (110); the striking units (350) are symmetrically arranged on the left and right sides of the limiting ring (340).

3. The exhaust treatment device of claim 1 or 2, wherein, It also includes a pull-out box (400), which corresponds to the dust filter component (200), is disposed at the bottom of the housing (100), and is movably connected to the housing (100).

4. The exhaust treatment device of claim 1, wherein, The exhaust pipe (130) is equipped with a filter assembly (500); the filter assembly (500) includes at least one of an activated carbon adsorption layer and a PP cotton filter element layer.

5. The exhaust treatment device of claim 1, wherein, The dust filter component (200) is detachably connected to the partition (110).

6. The exhaust treatment device of claim 1, wherein, The housing (100) includes a top cover (140) hinged to the top of the housing (100).

7. A biomass power plant (001) characterized by, The biomass power generation device (001) includes the waste gas treatment device according to any one of claims 1-6, wherein the exhaust gas outlet of the biomass power generation device (001) is connected to the air inlet pipe (120).

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