RTO waste gas treatment equipment

Abstract

The utility model discloses RTO waste gas treatment equipment, and belongs to the field of waste gas treatment. The device comprises a machine body, a filtering assembly and a zeolite rotating wheel. The interior of the machine body is divided into a front treatment chamber and a waste gas treatment chamber. The filtering assembly is arranged in the pre-treatment chamber and is used for intercepting particulate matters and viscous impurities in the waste gas; the filter assembly comprises a filter screen fixedly arranged on the inner wall of the machine body; a gap is reserved between one side of the filter screen and the machine body; a rotating shaft rotationally connected to the inner wall of the machine body is arranged at the gap; a motor is arranged on the side wall of the machine body; the driving end of the motor is connected with the rotating shaft; and a plurality of fan blades are uniformly and fixedly arranged on the side wall of the rotating shaft. According to the utility model, the motor is started to drive the rotating shaft and the plurality of fan blades to rotate so as to guide the flow direction of waste gas and promote the waste gas to circulate in the gap, so that the contact time of the waste gas and the filter screen is prolonged, and particulate matters and viscous impurities are more sufficiently adsorbed. And the filter screen can intercept particulate matters and viscous impurities in the waste gas.

Description

Technical Field

[0001] This utility model relates to the field of waste gas treatment, and in particular to an RTO waste gas treatment device. Background Technology

[0002] RTO (Regenerative Thermal Oxidation) waste gas treatment equipment is a highly efficient device for treating volatile organic compounds (VOCs). It converts the organic matter in the waste gas into harmless carbon dioxide and water through a high-temperature oxidation reaction. Its working principle mainly consists of three stages: preheating, thermal oxidation, and cooling.

[0003] The exhaust gas may contain high-viscosity substances, such as polymers and resins, which can form scale in the heat storage body or pipes, leading to poor airflow or equipment shutdown. Some high-viscosity substances, such as sulfur-containing compounds, can decompose at high temperatures to generate corrosive gases, accelerating equipment aging. However, existing RTO exhaust gas treatment equipment typically uses activated carbon and other materials to remove impurities, which are not very effective at adsorbing high-viscosity substances, have limited adsorption capacity, require frequent replacement, and may also become clogged by high-viscosity substances, making it difficult for exhaust gas to flow.

[0004] Therefore, this utility model proposes an RTO waste gas treatment device. Utility Model Content

[0005] This invention provides an RTO waste gas treatment device that can solve the problems of poor adsorption effect and limited adsorption capacity of high viscosity substances in the prior art.

[0006] An RTO waste gas treatment device, comprising:

[0007] The machine consists of a main body, a filter assembly, and a zeolite rotor. The interior of the main body is divided into a pretreatment chamber and an exhaust gas treatment chamber. The filter assembly, located in the pretreatment chamber, intercepts particulate matter and sticky impurities in the exhaust gas. The filter assembly includes a filter screen fixed to the inner wall of the main body; a gap exists between one side of the filter screen and the main body; a rotating shaft, rotatably connected to the inner wall of the main body, is located in the gap; a motor is mounted on the side wall of the main body; the drive end of the motor is connected to the rotating shaft; multiple fan blades are evenly fixed to the side wall of the rotating shaft. The zeolite rotor, located between the pretreatment chamber and the exhaust gas treatment chamber, concentrates the exhaust gas.

[0008] Preferably, multiple sets of filter components are arranged inside the machine body; the multiple sets of filter components are arranged along the air intake direction.

[0009] Preferably, in multiple filter assemblies, two adjacent filters are installed in opposite positions within the machine body, that is, the sides with gaps are opposite.

[0010] Preferably, both ends of the rotating shaft are provided with driving wheels; one side of each of the two driving wheels is respectively meshed with a driven wheel; each of the two driven wheels is connected to a reciprocating screw; the other end of the reciprocating screw is rotatably connected to the inner wall of the machine body; a scraper is threadedly connected between the two reciprocating screws; the scraper is configured to cooperate with the filter screen.

[0011] Preferably, the scraper is inclined downward on the side facing the filter screen.

[0012] Preferably, the scraper is bent downwards on the side away from the filter screen.

[0013] Preferably, a slag collection box is fixedly provided at the lower end of the filter screen; the slag collection box is configured in conjunction with the scraper.

[0014] Preferably, a fixing plate is fixedly provided at the upper end of the slag collection box; the fixing plate has an opening on the side facing the filter screen, and a scraper two is slidably connected to the opening; a cylinder is provided on the side wall of the slag collection box; the telescopic end of the cylinder is connected to the scraper two.

[0015] Preferably, a proximity sensor is provided at the upper end of the fixed plate; the proximity sensor is configured in conjunction with the scraper and is electrically connected to the cylinder.

[0016] Preferably, activated carbon adsorption cotton is provided between the filter assembly and the zeolite impeller; the activated carbon adsorption cotton is fixedly installed on the inner wall of the machine body.

[0017] Compared with the prior art, the present invention has the following beneficial technical effects:

[0018] (1) The RTO exhaust gas treatment equipment includes a filter screen fixedly installed on the inner wall of the machine body; a gap is left between one side of the filter screen and the machine body; a rotating shaft is rotatably connected to the inner wall of the machine body in the gap; a motor is installed on the side wall of the machine body; the drive end of the motor is connected to the rotating shaft; multiple fan blades are evenly fixed on the side wall of the rotating shaft. By starting the motor, the rotating shaft and multiple fan blades can be rotated to guide the exhaust gas flow direction, promote the exhaust gas to flow through the gap, thereby extending the exhaust gas flow path, and thus extending the contact time between the exhaust gas and the filter screen, so that particulate matter and sticky impurities are more fully adsorbed. The filter screen can intercept particulate matter and sticky impurities in the exhaust gas. Firstly, it can prevent the exhaust gas from entering the exhaust gas treatment chamber and adhering to the surface of the ceramic heat storage body, resulting in a decrease in heat recovery efficiency; secondly, it can reduce the corrosion and wear of sticky substances on the heat storage body and combustion chamber wall, reducing the equipment failure rate; thirdly, it can prevent sticky substances from accumulating in the high-temperature zone and causing local overheating or combustion.

[0019] (2) The RTO exhaust gas treatment equipment has driving wheels at both ends of the rotating shaft; driven wheels are meshed on one side of each of the two driving wheels; reciprocating screws are connected to each of the two driven wheels; the other end of the reciprocating screws is rotatably connected to the inner wall of the machine body; a scraper is threadedly connected between the two reciprocating screws; the scraper is configured to cooperate with the filter screen. The rotation of the rotating shaft can drive the reciprocating screws to rotate, thereby driving the scraper to move back and forth, scraping the impurities adhering to the filter screen into the slag collection box for collection, which can prevent the filter screen pores from being blocked, keep the filter screen unobstructed, and eliminate the need for frequent replacement.

[0020] (3) In this RTO waste gas treatment equipment, a fixed plate is fixedly installed on the upper end of the slag collection box; the fixed plate has an opening on the side facing the filter screen, and a scraper two is slidably connected to the opening; a cylinder is installed on the side wall of the slag collection box; the telescopic end of the cylinder is connected to the scraper two. A proximity sensor is installed on the upper end of the fixed plate; the proximity sensor is configured to cooperate with the scraper one and is electrically connected to the cylinder. When the scraper one moves close to the proximity sensor, the proximity sensor receives a sensor and activates the cylinder, causing the telescopic end of the cylinder to extend and drive the scraper two to slide out of the fixed plate, scraping off the sticky impurities adhering to the scraper one. This avoids sticky substances adhering to the scraper one, allowing the scraper one to reapply the sticky substances to the filter screen surface during the movement process. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the RTO waste gas treatment equipment of this utility model;

[0022] Figure 2 This is a schematic diagram of the filter assembly structure of this utility model;

[0023] Figure 3 This is a partial structural diagram of the filter assembly of this utility model;

[0024] Figure 4 This is a schematic diagram of the internal structure of the slag collection box of this utility model.

[0025] Explanation of reference numerals in the attached figures:

[0026] 1. Main body; 2. Pre-treatment chamber; 3. Exhaust gas treatment chamber; 4. Filter assembly; 41. Filter screen; 42. Rotating shaft; 43. Motor; 44. Fan blade; 45. Drive wheel; 46. Driven wheel; 47. Reciprocating screw; 48. Scraper 1; 49. Slag collection box; 410. Fixing plate; 411. Cylinder; 412. Scraper 2; 413. Proximity sensor; 5. Activated carbon adsorption cotton; 6. Zeolite rotor. Detailed Implementation

[0027] The specific embodiments of this utility model are described in detail below, but it should be understood that the protection scope of this utility model is not limited to the specific embodiments.

[0028] like Figure 1-4 As shown in the figure, an RTO (Regenerative Thermal Oxidizer) waste gas treatment device provided by this utility model embodiment includes a body 1, a filter assembly 4, and a zeolite rotor 6. The body 1 is internally divided into a pretreatment chamber 2 and a waste gas treatment chamber 3. An air inlet is provided on the side of the body 1 near the pretreatment chamber 2, and an air outlet is provided on the side near the waste gas treatment chamber 3. The waste gas treatment chamber 3 contains a heat storage chamber and a combustion chamber. The waste gas enters the heat storage chamber and comes into contact with a high-temperature ceramic heat storage body installed inside the heat storage chamber, absorbing the stored heat and raising its temperature to near the oxidation temperature. The preheated waste gas enters the combustion chamber, mixes with fuel, and undergoes an oxidation reaction at a high temperature. The reacted gas is discharged through the air outlet. A filter assembly 4 is installed in the pretreatment chamber 2 to intercept particulate matter and sticky impurities in the exhaust gas. The filter assembly 4 includes a filter screen 41 fixedly installed on the inner wall of the machine body 1. A gap is left between one side of the filter screen 41 and the machine body 1. A rotating shaft 42 is rotatably connected to the inner wall of the machine body 1 at the gap. A motor 43 is installed on the side wall of the machine body 1. The drive end of the motor 43 is connected to the rotating shaft 42. Multiple fan blades 44 are evenly fixed on the side wall of the rotating shaft 42. A zeolite rotor 6 is installed between the pretreatment chamber 2 and the exhaust gas treatment chamber 3 to concentrate the exhaust gas.

[0029] To further explain, multiple sets of filter components 4 are arranged within the body 1; these multiple sets of filter components 4 are arranged along the air intake direction. The installation positions of two adjacent filter screens 41 within the body 1 are opposite, i.e., the sides with gaps are opposite, allowing exhaust gas to pass through the gaps sequentially. The gaps prevent sticky substances from clogging the filter screens 41, thus preventing exhaust gas from flowing. The filter screens 41 can intercept particulate matter and sticky impurities in the exhaust gas. Firstly, this prevents exhaust gas from entering the exhaust gas treatment chamber 3 and adhering to the surface of the ceramic heat storage body, leading to a decrease in heat recovery efficiency; secondly, it reduces the corrosion and wear of sticky substances on the heat storage body and combustion chamber walls, lowering the equipment failure rate; and thirdly, it prevents sticky substances from accumulating in high-temperature areas, causing localized overheating or combustion. The starting motor 43 can drive the rotating shaft 42 and multiple fan blades 44 to rotate, guide the direction of the exhaust gas flow, and promote the exhaust gas to flow through the gaps, thereby extending the flow path of the exhaust gas and extending the contact time between the exhaust gas and the filter screen 41, so that particulate matter and sticky impurities are more fully adsorbed, and at the same time, the exhaust gas flow rate can be accelerated.

[0030] Further explanation: Both ends of the rotating shaft 42 are equipped with driving wheels 45; one side of each driving wheel 45 is meshed with a driven wheel 46; both driving wheels 45 and driven wheels 46 are bevel gears; each driven wheel 46 is connected to a reciprocating screw 47; the other end of the reciprocating screw 47 is rotatably connected to the inner wall of the machine body 1; a scraper 48 is threadedly connected between the two reciprocating screws 47. The scraper 48 cooperates with the filter screen 41 to scrape away and clean impurities adhering to the filter screen 41. The side of the scraper 48 facing the filter screen 41 is inclined downwards, and the side away from the filter screen 41 is bent downwards. This allows the scraper 48 to cover the impurities scraped off, preventing them from being blown away with the exhaust gas. A slag collection box 49 is fixedly provided at the lower end of the filter screen 41; the slag collection box 49 cooperates with the scraper 48. Rotating the shaft 42 can drive the reciprocating screw 47 to rotate, thereby causing the scraper 48 to move back and forth, scraping the impurities adhering to the filter screen 41 into the slag collection box 49 for collection, thus preventing the filter holes of the filter screen 41 from being blocked.

[0031] Further explanation: A fixing plate 410 is fixedly installed on the upper end of the slag collection box 49; the fixing plate 410 has an opening on the side facing the filter screen 41, and a scraper 412 is slidably connected to the opening; a cylinder 411 is installed on the side wall of the slag collection box 49; the telescopic end of the cylinder 411 is connected to the scraper 412. A proximity sensor 413 is installed on the upper end of the fixing plate 410; the proximity sensor 413 is configured to cooperate with the scraper 48 and is electrically connected to the cylinder 411. When the scraper 48 moves close to the proximity sensor 413, the proximity sensor 413 receives a sensor and activates the cylinder 411, causing the telescopic end of the cylinder 411 to extend and drive the scraper 412 to slide out of the fixing plate 410, scraping off the sticky impurities adhering to the scraper 48. This prevents sticky substances from adhering to the scraper 48, allowing the scraper 48 to reapply the sticky substances to the surface of the filter screen 41 during movement.

[0032] To further explain, activated carbon adsorption cotton 5 is provided between the filter assembly 4 and the zeolite rotor 6; the activated carbon adsorption cotton 5 is fixedly installed on the inner wall of the body 1. This allows for further adsorption of particulate matter, increasing the particulate matter removal rate.

[0033] The working principle of this utility model is as follows: During operation, exhaust gas is first introduced into the machine body 1, and then the motor 43 is started to drive the rotating shaft 42 and multiple fan blades 44 to rotate, guiding the direction of the exhaust gas flow and promoting the exhaust gas to flow through the gaps. The rotation of the rotating shaft 42 simultaneously drives the drive wheel 45 to rotate, thereby driving the driven wheel 46 and the reciprocating screw 47 to rotate, causing the scraper 48 to move back and forth, scraping the impurities adhering to the filter screen 41 into the slag collection box 49 for collection. When the scraper 48 moves to the proximity sensor 413, the proximity sensor 413 receives the induction start cylinder 411, causing the extension end of the cylinder 411 to extend and drive the scraper 412 to slide out of the fixed plate 410, scraping off the sticky impurities adhering to the scraper 48.

[0034] The above-disclosed embodiments are only a few specific examples of the present utility model. However, the embodiments of the present utility model are not limited thereto. Any changes that can be conceived by those skilled in the art should fall within the protection scope of the present utility model.

Claims

1. An RTO exhaust treatment apparatus, characterized by, include The body (1) is divided into a pre-treatment chamber (2) and an exhaust gas treatment chamber (3). A filter assembly (4) is installed in the pretreatment chamber (2) to intercept particulate matter and sticky impurities in the exhaust gas; the filter assembly (4) includes a filter screen (41) fixedly installed on the inner wall of the body (1); a gap is left between one side of the filter screen (41) and the body (1); a rotating shaft (42) is rotatably connected to the inner wall of the body (1) in the gap; a motor (43) is installed on the side wall of the body (1); the drive end of the motor (43) is connected to the rotating shaft (42); a plurality of fan blades (44) are evenly fixed on the side wall of the rotating shaft (42); And a zeolite rotor (6) is set between the pretreatment chamber (2) and the waste gas treatment chamber (3) for concentrating waste gas.

2. An RTO exhaust treatment apparatus according to claim 1, wherein, Multiple sets of filter components (4) are arranged inside the body (1); multiple sets of filter components (4) are arranged along the air intake direction.

3. An RTO exhaust treatment apparatus according to claim 2, wherein, In the multi-group filter assembly (4), the two adjacent filters (41) are installed in opposite positions inside the body (1), that is, the side with the gap is opposite.

4. An RTO exhaust treatment apparatus according to claim 3, wherein, Both ends of the rotating shaft (42) are provided with driving wheels (45); one side of each of the two driving wheels (45) is respectively meshed with a driven wheel (46); each of the two driven wheels (46) is connected with a reciprocating screw (47); the other end of the reciprocating screw (47) is rotatably connected to the inner wall of the machine body (1); a scraper (48) is threadedly connected between the two reciprocating screws (47); the scraper (48) is configured to cooperate with the filter screen (41).

5. An RTO exhaust treatment apparatus according to claim 4, wherein, The scraper (48) is tilted downward on the side facing the filter (41).

6. An RTO exhaust treatment apparatus according to claim 5, wherein, The scraper (48) bends downward on the side away from the filter screen (41).

7. An RTO exhaust treatment apparatus according to claim 6, wherein, A slag collection box (49) is fixedly provided at the lower end of the filter screen (41); the slag collection box (49) is configured in conjunction with the scraper (48).

8. An RTO exhaust treatment apparatus according to claim 7, wherein, A fixing plate (410) is fixedly provided on the upper end of the slag collection box (49); the fixing plate (410) has an opening on the side facing the filter screen (41), and a scraper (412) is slidably connected at the opening; a cylinder (411) is provided on the side wall of the slag collection box (49); the telescopic end of the cylinder (411) is connected to the scraper (412).

9. An RTO exhaust treatment apparatus according to claim 8, wherein, The upper end of the fixed plate (410) is provided with a proximity sensor (413); the proximity sensor (413) is configured in conjunction with the scraper (48) and is electrically connected to the cylinder (411).

10. The RTO exhaust treatment apparatus of claim 1, wherein, Activated carbon adsorption cotton (5) is provided between the filter assembly (4) and the zeolite rotor (6); the activated carbon adsorption cotton (5) is fixedly installed on the inner wall of the machine body (1).

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