An exhaust gas treatment device for boiler flue dust

Abstract

The utility model relates to waste gas treatment technical field, and disclose a kind of waste gas treatment device for boiler smoke dust, including supporting leg, the filter container of supporting leg upper surface fixed connection and the waste gas pipe of communication setting of filter container, the filter container inside is provided with coarse filter dust reduction mechanism and fine filter cleaning mechanism, the coarse filter dust reduction mechanism is arranged in fine filter cleaning mechanism upside, the coarse filter dust reduction mechanism includes top cap, the top cap is fixedly connected in filter container upside, the top cap lower surface is fixedly connected with wind cone, the top cap inside is fixedly connected with water pipe, the wind cone downside is fixedly connected with ventilation frame, the ventilation frame inside is fixedly connected with motor, the motor output end is fixedly connected with turbine, the coarse filter dust reduction mechanism is used to carry out primary filtration to waste gas, the fine filter cleaning mechanism is used for further filtering out impurity in gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste gas treatment technical field, concretely is a kind of waste gas treatment device for boiler flue dust. BACKGROUND

[0002] Boiler exhaust gas is mainly composed of harmful substances such as sulfur dioxide, nitrogen oxides, particulate matter and carbon monoxide generated during combustion. The generation of these exhaust gases is not only related to the type and quality of fuel, but also affected by many factors such as combustion method, boiler operating conditions. Among them, sulfur dioxide and nitrogen oxides are important precursors of acid rain and photochemical smog; particulate matter poses a direct threat to air quality and human health; carbon monoxide is a colorless and odorless toxic gas that can cause poisoning in a closed environment.

[0003] If the boiler flue dust exhaust gas is not effectively treated and directly discharged, it will cause serious harm to the environment and human health. First of all, it will significantly reduce air quality, increase the concentration of pollutants in the atmosphere, and cause visibility to decrease, affecting people's daily life and travel. Secondly, harmful substances in exhaust gas can damage vegetation and ecosystems, affecting biodiversity and ecological balance. More importantly, these exhaust gases pose a great threat to human health. Long-term exposure to high concentrations of exhaust gas environment, people are prone to chronic diseases such as respiratory diseases, cardiovascular diseases, and even may cause serious diseases such as cancer. In addition, harmful substances in exhaust gas can also enter the human body through the food chain, causing potential long-term effects on human health. Therefore, strengthening the treatment of boiler flue dust exhaust gas is of great significance to protect the environment and safeguard human health SUMMARY

[0004] The utility model aims at providing a kind of waste gas treatment device for boiler flue dust to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a waste gas treatment device for boiler flue dust, comprising a supporting leg, a filter container fixedly connected to the upper surface of the supporting leg, and a waste gas pipe provided in communication with the filter container. The filter container is internally provided with a coarse filtration and debris removal mechanism and a fine filtration and cleaning mechanism. The coarse filtration and debris removal mechanism is arranged on the upper side of the fine filtration and cleaning mechanism.

[0006] The coarse filtering and debris reducing mechanism comprises a top cover fixedly connected to the upper side of the filtering container, a wind guide tube fixedly connected to the lower surface of the top cover, a water pipe fixedly connected to the inside of the top cover, a ventilation frame fixedly connected to the lower side of the wind guide tube, a motor fixedly connected to the inside of the ventilation frame, a turbine fixedly connected to the output end of the motor, a water box sleeved on the turbine, the water pipe extending through the top cover into the inside of the filtering container and being in communication with the inside of the water box, a water ring fixedly connected to the output end of the motor, a rotating ring rotatably connected to the upper side of the water ring, a pipeline fixedly connected to the upper side of the rotating ring and in communication with the inside of the water box, a spraying plate fixedly connected to the outer wall of the water ring and in communication with the inside of the water ring, a partition plate fixedly connected to the inside of the filtering container, a water tank fixedly connected to the lower side of the partition plate, and a blowdown pipe in communication with one side of the water tank and extending through the filtering container to the outside of the filtering container.

[0007] Preferably, a notch is formed in the upper surface of the partition plate, and an opening is formed in the center of the partition plate, the water tank being in communication with the upper side of the partition plate through the opening.

[0008] Preferably, a water valve is arranged at one end of the blowdown pipe.

[0009] Preferably, the spraying plate is hollow and provided with spray openings on both sides, the inside of the spraying plate being in communication with the inside of the water box through the water ring and the pipeline.

[0010] Preferably, the fine filtering and cleaning mechanism comprises a filter plate fixedly connected to the inside of the filtering container, a flow guide pipe fixedly connected to one side of the filtering container and in communication with the upper and lower sides of the partition plate, a motor fixedly connected to the bottom of the filtering container, a gas tank fixedly connected to the output end of the motor, a gas hole formed in the output end of the motor, a fan blade fixedly connected to the output end of the motor and arranged in the inside of the gas tank, a dust extraction plate fixedly connected to the output end of the motor, a dust exhaust pipe fixedly connected to one side of the gas tank and extending through the filtering container to the outside of the filtering container, the dust exhaust pipe being in communication with the inside of the gas tank, and a dust removal tank sleeved on the outer wall of the dust exhaust pipe.

[0011] Preferably, a notch is formed in the inside of the output end of the motor, the notch being in communication with the inside of the dust removal tank through the gas hole.

[0012] Preferably, the dust extraction plate is in communication with the inside of the output end of the motor.

[0013] Compared with the prior art, the waste gas treatment device for boiler flue dust has the following beneficial effects:

[0014] 1. The coarse filtering and dust removal mechanism is used for primary filtering of waste gas, which can efficiently remove large particles of dust in the gas, specifically by spraying to mix dust and impurities with dust, and the dust affected by water mist falls on the partition plate and is collected by the water tank.

[0015] 2. The fine filtering and cleaning mechanism is used for further filtering of impurities in the gas, and a negative pressure is generated in the gas tank by driving the fan blade by the motor, and the dust accumulated on the surface of the filter plate is sucked into the gas tank by the negative pressure, which can ensure the working efficiency of the filter plate while efficiently filtering the impurities. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0017] Figure 1 is a structural schematic view of the present application;

[0018] Figure 2 is a structural schematic view of the present application from another perspective;

[0019] Figure 3 is a sectional structural schematic view of the present application;

[0020] Figure 4 is a structural schematic view of the partition plate in the present application;

[0021] Figure 5 is a structural schematic view of the filter plate in the present application.

[0022] In the figure: 1, leg; 2, filter container; 3, waste gas pipe; 4, coarse filtering and dust removal mechanism; 401, top cover; 402, air duct; 403, water pipe; 404, ventilation rack; 405, motor; 406, turbine; 407, water box; 408, water ring; 409, rotating ring; 410, spraying plate; 411, partition plate; 412, water tank; 413, blowdown pipe; 5, fine filtering and cleaning mechanism; 501, filter plate; 502, flow guide pipe; 503, motor; 504, gas tank; 505, air hole; 506, fan blade; 507, dust extraction plate; 508, dust removal pipe; 509, dust removal tank; 510, gas pipe. DETAILED DESCRIPTION

[0023] With reference to the accompanying drawings, the technical solutions in the embodiments of the present application will be clearly and completely described below. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting", "fixing" and the like should be understood in a broad sense. For example, it can be fixed connection, or detachable connection, or integrated; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium; it can be the communication inside two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0025] Embodiment one:

[0026] Please refer to Figures 1-5 The present application provides a technical scheme: a waste gas treatment device for boiler smoke dust, comprising a supporting leg 1, a filter container 2 fixedly connected to the upper surface of the supporting leg 1, and a waste gas pipe 3 arranged in communication with the filter container 2, a coarse filter and chip removal mechanism 4 and a fine filter and cleaning mechanism 5 are arranged inside the filter container 2, the coarse filter and chip removal mechanism 4 is arranged on the upper side of the fine filter and cleaning mechanism 5.

[0027] The coarse filter debris reduction mechanism 4 comprises a top cover 401 fixedly connected to the upper side of the filter container 2, a wind guide 402 fixedly connected to the lower surface of the top cover 401, a water pipe 403 fixedly connected inside the top cover 401, a ventilation rack 404 fixedly connected to the lower side of the wind guide 402, a motor 405 fixedly connected inside the ventilation rack 404, a turbine 406 fixedly connected to the output end of the motor 405, a water box 407 sleeved on the turbine 406, the water pipe 403 extending through the top cover 401 to the inside of the filter container 2 and being in communication with the inside of the water box 407, a water ring 408 fixedly connected to the output end of the motor 405, a rotating ring 409 rotatably connected to the upper side of the water ring 408, a pipeline fixedly connected to the upper side of the rotating ring 409 and in communication with the inside of the water box 407, a spraying plate 410 fixedly connected to the outer wall of the water ring 408 and in communication with the inside of the water ring 408, a partition plate 411 fixedly connected inside the filter container 2, a water tank 412 fixedly connected to the lower side of the partition plate 411, a blowdown pipe 413 communicatively arranged on one side of the water tank 412 and extending through the filter container 2 to the outside of the filter container 2, and industrial waste gas and the like entering the filter container 2 through the waste gas pipe 510, the water ring 408 generating water pressure by driving the turbine 406 by the motor 405, the spraying plate 410 being provided with hydraulic pressure by the rotating ring 409, and the spray being squeezed out of the spraying plate 410, the spray being able to effectively capture large-particle dust impurities and harmful pollutants.

[0028] Further, the partition plate 411 is provided with a slot on the upper surface and an opening in the center, and the water tank 412 is in communication with the upper side of the partition plate 411 through the opening.

[0029] Further, the blowdown pipe 413 is provided with a water valve at one end.

[0030] Further, the spraying plate 410 is hollow inside and provided with spray ports on both sides, and the inside of the spraying plate 410 is in communication with the inside of the water box 407 through the water ring 408 and the pipeline.

[0031] Example two:

[0032] Please refer to Figures 1-5And combined with example one, it is further obtained that the fine filtering and cleaning mechanism 5 comprises a filter plate 501 fixedly connected inside the filtering container 2, a flow guide pipe 502 fixedly connected to one side of the filtering container 2, the flow guide pipe 502 being respectively and communicatively arranged on the upper and lower sides of the partition plate 411, a motor 503 fixedly connected to the bottom of the filtering container 2, an air tank 504 fixedly connected to the output end of the motor 503, an air hole 505 formed in the output end of the motor 503, a fan blade 506 fixedly connected to the output end of the motor 503, the fan blade 506 being arranged inside the air tank 504, a dust suction plate 507 fixedly connected to the output end of the motor 503, a dust discharge pipe 508 fixedly connected to one side of the air tank 504, the dust discharge pipe 508 extending through the filtering container 2 to the outside of the filtering container 2, the dust discharge pipe 508 being communicatively arranged with the inside of the air tank 504, a dust removal tank 509 sleeved on the outer wall of the dust discharge pipe 508, and an air pipe 510 communicatively arranged on one side of the upper end of the dust removal tank 509. After the gas enters the lower side of the partition plate 411, the gas is filtered by the filter plate 501. The motor 503 drives the fan blade 506 to generate negative pressure to provide negative pressure inside the dust suction plate 507. Then, the dust on the filter plate 501 is sent to the inside of the dust removal tank 509 by the fan blade 506 to remove the dust by water filtering, thereby ensuring the filtering effect and making dust removal effect on the filter plate 501 to increase the service life.

[0033] Further, a notch is formed in the inside of the output end of the motor 503, and the notch is communicatively arranged with the inside of the dust removal tank 509 through the air hole 505.

[0034] Further, the dust suction plate 507 is communicatively arranged with the inside of the output end of the motor 503.

[0035] In actual operation, when the device is used, the user opens the motor 405 and supplies water to the inside of the water pipe 403. When the motor 405 works, the water pressure generated by the turbine 406 provides water mist to the spraying plate 410 to perform primary dust removal. Then, the gas is filtered by the filter plate 501. The motor 503 drives the fan blade 506 to generate negative pressure airflow. The negative pressure sends the dust accumulated on the filter plate 501 into the dust removal tank 509 through the dust suction plate 507.

[0036] It is to be noted that, as used in this specification and the appended claims, the singular forms "a," "an," and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component" can include a combination of two or more components. Additionally, the terms "comprise," "comprises," and "comprising," or any variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements is not necessarily limited to those elements, but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. Furthermore, unless otherwise indicated herein, the terms "first," "second," "third," etc., are used herein merely as labels, and are not intended to impose ordinal import.

Claims

1. A waste gas treatment device for boiler flue dust, comprising a supporting leg (1), a filtering container (2) fixedly connected to the upper surface of the supporting leg (1), and a waste gas passage pipe (3) arranged in communication with the filtering container (2), characterized in that: The filter container (2) is internally provided with a coarse filter and debris reduction mechanism (4) and a fine filter cleaning mechanism (5), and the coarse filter and debris reduction mechanism (4) is arranged on the upper side of the fine filter cleaning mechanism (5); The coarse filter and debris reduction mechanism (4) comprises a top cover (401) fixedly connected to the upper side of the filter container (2), a wind guide cylinder (402) fixedly connected to the lower surface of the top cover (401), a water pipe (403) fixedly connected to the inside of the top cover (401), a ventilation rack (404) fixedly connected to the lower side of the wind guide cylinder (402), a motor (405) fixedly connected to the inside of the ventilation rack (404), a turbine (406) fixedly connected to the output end of the motor (405), a water box (407) sleeved on the turbine (406), the water pipe (403) extending through the top cover (401) and being in communication with the inside of the water box (407), a water ring (408) fixedly connected to the output end of the motor (405), a rotating ring (409) rotatably connected to the upper side of the water ring (408), a pipeline fixedly connected to the upper side of the rotating ring (409) and in communication with the inside of the water box (407), a spraying plate (410) fixedly connected to the outer wall of the water ring (408) and in communication with the inside of the water ring (408), a partition plate (411) fixedly connected to the inside of the filter container (2), a water tank (412) fixedly connected to the lower side of the partition plate (411), a blowdown pipe (413) in communication with one side of the water tank (412) and extending through the filter container (2) to the outside of the filter container (2).

2. An exhaust gas treatment device for boiler flue dust according to claim 1, characterized in that: The upper surface of the partition plate (411) is provided with a notch, and the center of the partition plate (411) is provided with an opening, and the water tank (412) is in communication with the upper side of the partition plate (411) through the opening.

3. An exhaust gas treatment device for boiler flue dust as claimed in claim 1 wherein: One end of the blowdown pipe (413) is provided with a water valve.

4. A device for exhaust gas treatment of boiler flue dust according to claim 1, characterized in that: The spraying plate (410) is hollow and provided with a spray port on both sides, and the inside of the spraying plate (410) is in communication with the inside of the water box (407) through the water ring (408) and the pipeline.

5. A device for exhaust gas treatment of boiler flue dust according to claim 1, characterized in that: The fine filtering cleaning mechanism (5) comprises a filter plate (501), the filter plate (501) is fixedly connected inside the filtering container (2), one side of the filtering container (2) is fixedly connected with a flow guide pipe (502), the flow guide pipe (502) is respectively communicated with the upper and lower sides of the partition (411), the bottom of the filtering container (2) is fixedly connected with a motor (503), the output end of the motor (503) is fixedly connected with a gas tank (504), the output end of the motor (503) is provided with a gas hole (505), the output end of the motor (503) is fixedly connected with a fan blade (506), the fan blade (506) is arranged inside the gas tank (504), the output end of the motor (503) is fixedly connected with a dust extraction plate (507), one side of the gas tank (504) is fixedly connected with a dust exhaust pipe (508), the dust exhaust pipe (508) extends through the filtering container (2) to the outside of the filtering container (2), the dust exhaust pipe (508) is communicated with the inside of the gas tank (504), and the dust exhaust pipe (508) is provided with a dust removal tank (509) on the outer wall.

6. An exhaust gas treatment device for boiler flue dust according to claim 5, characterized in that: The output end of the motor (503) is provided with a notch, and the notch is communicated with the inside of the dust removal tank (509) through the gas hole (505).

7. An exhaust gas treatment device for boiler flue dust according to claim 5, characterized in that: The dust extraction plate (507) is communicated with the inside of the output end of the motor (503).

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