Waste gas purification combustion device

Abstract

The utility model provides a waste gas purification combustion device which comprises a bottom plate, a purification box arranged on one side of the top of the bottom plate, a fan arranged on one side of the purification box, a combustor arranged at the bottom of an inner cavity of the purification box, and a filtering mechanism arranged on the other side of the top of the bottom plate and used for filtering waste gas. The filtering mechanism comprises a filtering box and a water tank which are arranged at the top of the bottom plate, one side of the filtering box communicates with an air inlet pipe, a first filter screen is clamped to the inner wall of the air inlet pipe, the other side of the filtering box communicates with a backflow pipe, a centrifugal pump is arranged at the top of the water tank, and the water pumping end of the centrifugal pump communicates with the top of the water tank. The waste gas purification combustion device solves the problems that according to some existing waste gas purification combustion devices, waste gas is directly extracted into a combustion furnace through a draught fan, the draught fan is easily affected by impurities in the waste gas, and the failure rate of the draught fan is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of waste gas treatment, in particular to a waste gas purification combustion device. Background Art

[0002] Waste gas purification mainly refers to the work of treating industrial waste gases such as dust particles, waste gas smoke, odorous gases, and toxic and harmful gases generated in industrial places. Waste gas purification equipment is widely used in chemical plants, electronics factories, paint factories, automobile factories, coating factories, petrochemical industries, furniture factories, food factories, rubber factories, plastic factories and other industries that produce odor, stink, toxic and harmful gases.

[0003] According to the utility model patent with the announcement number: CN217329824U, a waste gas purification combustion device is disclosed, which relates to the field of waste gas purification technology, and its beneficial effects are: by setting a water pump, it is convenient to draw water into the recovery pipe to recover the waste heat of the waste gas, by setting a water tank, it is convenient to store hot water, by setting a burner, it is convenient to burn the waste gas in the inner cavity of the combustion furnace, and by the coordinated use of the fan and the smoke inlet pipe, it is convenient to draw the waste gas into the combustion furnace.

[0004] Although the above technology can recover the waste heat of exhaust gas, the exhaust gas is directly extracted into the combustion furnace through the fan. However, after the exhaust gas enters the fan, the impurities inside it can easily affect the fan, thereby increasing the failure rate of the fan and shortening its service life. Therefore, there are certain usage defects.

[0005] Therefore, it is necessary to provide a new exhaust gas purification combustion device to solve the above technical problems. Utility Model Content

[0006] The purpose of the utility model is to provide an exhaust gas purification combustion device to solve the problems raised in the above background technology.

[0007] The utility model provides an exhaust gas purification and combustion device, comprising a base plate, a purification box is arranged on one side of the top of the base plate, a fan is arranged on one side of the purification box, a burner is arranged at the bottom of the inner cavity of the purification box, and a filtering mechanism is arranged on the other side of the top of the base plate, and the filtering mechanism is used to filter the exhaust gas.

[0008] In order to achieve the effect of filtering impurities in the exhaust gas, the utility model provides an exhaust gas purification combustion device. Preferably, the filtering mechanism includes a filter box and a water tank arranged on the top of the base plate, one side of the filter box is connected to an air intake pipe, the inner wall of the air intake pipe is clamped with a first filter screen, the other side of the filter box is connected to a return pipe, a centrifugal pump is arranged on the top of the water tank, the pumping end of the centrifugal pump is connected to the top of the water tank, the drainage end of the centrifugal pump is arranged with a delivery pipe, one end of the delivery pipe passes through the top of the filter box and is connected to a connecting pipe, and a nozzle is arranged on the outside of the connecting pipe.

[0009] In order to achieve the effect of filtering impurities in wastewater, the utility model provides an exhaust gas purification combustion device. Preferably, the filtering mechanism also includes a second filter screen fixed to the inside of the water tank by screws.

[0010] In order to achieve the effect of conveniently discharging the exhaust gas in the water tank, the utility model provides an exhaust gas purification combustion device. Preferably, one side of the water tank is connected to a drain pipe, and a valve is provided on the outside of the drain pipe.

[0011] In order to achieve the effect of purifying exhaust gas, the utility model provides an exhaust gas purification combustion device. Preferably, an activated carbon filter layer is provided inside the purification box, the top of the purification box is connected to an exhaust pipe, and an exhaust valve is provided on the outside of the exhaust pipe.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The exhaust gas purification combustion device is provided with a filtering mechanism to facilitate filtering impurities in the exhaust gas, thereby preventing the impurities from entering the fan and affecting the fan, thereby reducing the failure rate of the fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic structural diagram of a preferred embodiment of an exhaust gas purification combustion device provided by the utility model;

[0015] Figure 2 It is a structural schematic diagram of the filtering mechanism in the utility model;

[0016] Figure 3 It is a schematic diagram of the structure of the burner and the activated carbon filter layer in the utility model.

[0017] Numbers in the figure: 1. Base plate; 2. Purification box; 3. Fan; 4. Burner; 5. Filter mechanism; 51. Filter box; 52. Water tank; 53. Inlet pipe; 54. First filter screen; 55. Return pipe; 56. Centrifugal pump; 57. Delivery pipe; 58. Connecting pipe; 59. Nozzle; 521. Second filter screen; 6. Drain pipe; 7. Activated carbon filter layer; 8. Exhaust pipe; 9. Exhaust valve. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work belong to the protection scope of the utility model. It is understandable that the drawings are only provided for reference and illustration, and are not used to limit the utility model. The connection relationship shown in the drawings is only for the convenience of clear description and does not limit the connection method.

[0019] Please refer to Figure 1 , Figure 2 and Figure 3 ,in, Figure 1 A schematic structural diagram of a preferred embodiment of an exhaust gas purification combustion device provided by the utility model; Figure 2 It is a structural schematic diagram of the filtering mechanism in the utility model; Figure 3 A waste gas purification combustion device includes a bottom plate 1, a purification box 2 is arranged on one side of the top of the bottom plate 1, a fan 3 is arranged on one side of the purification box 2, an air outlet of the fan 3 is connected to one side of the purification box 2, a burner 4 is arranged at the bottom of the inner cavity of the purification box 2, and a filter mechanism 5 is arranged on the other side of the top of the bottom plate 1, and the filter mechanism 5 is used to filter the waste gas.

[0020] It should be noted that: the fan 3 is started to allow the exhaust gas to enter the filtering mechanism 5, and the impurities in the exhaust gas are filtered through the filtering mechanism 5 to prevent the impurities from entering the fan 3 and affecting it. The filtered exhaust gas is transported by the fan 3 to the purification box 2, and the exhaust gas is burned through the burner 4.

[0021] In the specific implementation process, Figure 1 and Figure 2 As shown, the filtering mechanism 5 includes a filter box 51 and a water tank 52 arranged on the top of the base plate 1, one side of the filter box 51 is connected to an air inlet pipe 53, the inner wall of the air inlet pipe 53 is clamped with a first filter screen 54, the other side of the filter box 51 is connected to a return pipe 55, one end of the return pipe 55 is connected to one side of the water tank 52, a centrifugal pump 56 is arranged on the top of the water tank 52, the water pumping end of the centrifugal pump 56 is connected to the top of the water tank 52, the drainage end of the centrifugal pump 56 is arranged with a delivery pipe 57, one end of the delivery pipe 57 passes through the top of the filter box 51 and is connected to a connecting pipe 58, a nozzle 59 is arranged on the outside of the connecting pipe 58, the air suction port of the fan 3 is connected to the filter box 51, and a water injection hole is opened on the top of the water tank 52.

[0022] The filter mechanism 5 further includes a second filter screen 521 fixed inside the water tank 52 by screws.

[0023] It should be noted that: the centrifugal pump 56 and the fan 3 are started respectively, the centrifugal pump 56 pumps out the water in the water tank 52, and transports it to the connecting pipe 58 through the delivery pipe 57, and finally sprays it out from the nozzle 59 to form a water curtain. Under the action of the fan 3, a negative pressure can be formed inside the filter box 51, so that the exhaust gas enters the filter box 51 through the air inlet pipe 53, and the larger impurities in the exhaust gas can be filtered through the first filter screen 54. After the exhaust gas enters the filter box 51, it passes through the water curtain, so that the fine impurities in the exhaust gas can be filtered out. The filtered exhaust gas is transported to the purification box 2 by the fan 3, and the wastewater in the filter box 51 flows back to the water tank 52 through the reflux pipe 55, and then is pumped out by the centrifugal pump 56, so as to achieve the purpose of recycling and save water resources. The impurities in the water can be filtered through the second filter screen 521 to prevent them from entering the centrifugal pump 56.

[0024] refer to Figure 1 and Figure 3 As shown, one side of the water tank 52 is connected to a drain pipe 6 , and a valve is provided on the outside of the drain pipe 6 .

[0025] An activated carbon filter layer 7 is disposed inside the purification box 2 , an exhaust pipe 8 is connected to the top of the purification box 2 , and an exhaust valve 9 is disposed outside the exhaust pipe 8 .

[0026] It should be noted that after the exhaust gas enters the purification box 2, it is burned by the burner 4, and the odor and smell in the exhaust gas are adsorbed by the activated carbon filter layer 7. Finally, the exhaust valve 9 is opened to discharge the treated exhaust gas in the purification box 2 from the exhaust pipe 8, and finally the valve is opened to discharge the waste water in the water tank 52.

[0027] The working principle of an exhaust gas purification combustion device provided by the utility model is as follows:

[0028] When in use, start the filter mechanism 5 and the fan 3. After the fan 3 draws the exhaust gas into the filter mechanism 5, the impurities in the exhaust gas can be filtered through the filter mechanism 5 to prevent the impurities from entering the fan 3 and affecting it. The fan 3 transports the filtered exhaust gas to the purification box 2, burns it through the burner 4, and adsorbs the odor and peculiar smell in the exhaust gas through the activated carbon filter layer 7. Finally, the exhaust valve 9 is opened to discharge the treated exhaust gas in the purification box 2 from the exhaust pipe 8.

[0029] In the above detailed description, reference is made to the accompanying drawings, which form a part of this document. In the accompanying drawings, similar symbols typically identify similar components unless the context indicates otherwise. The illustrated embodiments described in the detailed description, drawings, and claims are not meant to be limiting. Other embodiments may be used, and other changes may be made, without departing from the spirit or scope of the subject matter presented herein.

[0030] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. An exhaust gas purification combustion device, characterized in that: It comprises a bottom plate (1), a purification box (2) is arranged on one side of the top of the bottom plate (1), a fan (3) is arranged on one side of the purification box (2), a burner (4) is arranged at the bottom of the inner cavity of the purification box (2), and a filtering mechanism (5) is arranged on the other side of the top of the bottom plate (1), and the filtering mechanism (5) is used to filter the exhaust gas; The filtering mechanism (5) comprises a filter box (51) and a water tank (52) arranged on the top of the bottom plate (1); one side of the filter box (51) is connected to an air inlet pipe (53); the inner wall of the air inlet pipe (53) is clamped with a first filter screen (54); the other side of the filter box (51) is connected to a return pipe (55); a centrifugal pump (56) is arranged on the top of the water tank (52); the water pumping end of the centrifugal pump (56) is connected to the top of the water tank (52); a delivery pipe (57) is arranged on the drainage end of the centrifugal pump (56); one end of the delivery pipe (57) passes through the top of the filter box (51) and is connected to a connecting pipe (58); a nozzle (59) is arranged on the outside of the connecting pipe (58).

2. The exhaust gas purification combustion device according to claim 1, characterized in that: The filtering mechanism (5) further comprises a second filter screen (521) fixed inside the water tank (52) by means of screws.

3. The exhaust gas purification combustion device according to claim 2, characterized in that: One side of the water tank (52) is connected to a drain pipe (6), and a valve is provided on the outside of the drain pipe (6).

4. The exhaust gas purification combustion device according to claim 1, characterized in that: An activated carbon filter layer (7) is arranged inside the purification box (2), an exhaust pipe (8) is connected to the top of the purification box (2), and an exhaust valve (9) is arranged on the outside of the exhaust pipe (8).

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