CN219091439U - A carbonized tail gas secondary treatment equipment - Google Patents

Abstract

The utility model discloses a secondary treatment device for carbonized tail gas, which comprises a large particle filter chamber, an intermediate passage, a photocatalytic decomposition chamber and an air outlet passage which are connected in sequence. One side of the large particle filter chamber is provided with an air inlet for filtering large particles There is a filter screen in the room, and the filter screen is inclined. The upper end of the filter screen is close to the air inlet, and the lower end of the filter screen is far away from the air inlet. A vibration motor is installed outside the large particle filter chamber, and the vibration motor is connected to the filter screen; An inlet valve is provided; several groups of ultraviolet lamps are arranged in the photocatalytic decomposition chamber, and a photocatalyst plate is arranged between the ultraviolet lamps; an outlet valve is arranged in the outlet channel; a return channel is arranged between the middle channel and the outlet channel. In the utility model, the tail gas passes through the filter screen of the large-particle filter chamber to filter out the large-particle impurities and then enters the photocatalytic decomposition chamber, where it is decomposed into water and carbon dioxide under the combined use of the ultraviolet lamp and the photocatalyst plate, without consuming other energy sources, and is environmentally friendly. Improved decomposition efficiency.

Description

A carbonized tail gas secondary treatment equipment

technical field

The utility model relates to the technical field of tail gas treatment, in particular to a carbonized tail gas secondary treatment equipment.

Background technique

The carbonized tail gas is usually treated by incineration. The carbonized tail gas is sent to the incineration chamber through the flue, and is fully burned under the condition of high temperature and oxygen enrichment, so that the organic matter in the carbonized tail gas is burned into carbon dioxide and discharged into the atmosphere through the flue. However, combustion needs to consume more energy, which is not conducive to energy saving and environmental protection, and is also not conducive to large-scale promotion. Therefore, it is urgent for those skilled in the art to invent a device that can reduce energy consumption and effectively treat carbonized tail gas.

Utility model content

In view of the above technical problems, the purpose of this utility model is to propose a carbonized tail gas secondary treatment equipment, which reduces energy consumption and is safe and reliable.

In order to achieve the above object, the utility model provides the following technical solutions:

A secondary treatment device for carbonized tail gas, comprising a large particle filter chamber, an intermediate channel, a photocatalytic decomposition chamber and an air outlet channel connected in sequence, one side of the large particle filter chamber is provided with an air inlet, and the large particle filter chamber is A filter screen is provided, and the filter screen is arranged obliquely. The upper end of the filter screen is close to the air inlet, and the lower end of the filter screen is far away from the air inlet. A vibrating motor is provided outside the large particle filter chamber. The motor is connected with the filter screen; an air inlet valve is arranged in the middle passage; several groups of ultraviolet lamps are arranged in the photocatalytic decomposition chamber, and a photocatalyst plate is arranged between the ultraviolet lamps; an outlet valve is arranged in the outlet passage. A valve; a backflow channel is set between the middle channel and the air outlet channel.

Preferably, the ultraviolet lamp includes a lamp holder and a lamp tube, the lamp holders are respectively connected to the side walls of the photocatalytic decomposition chamber, and the lamp tube is connected to the lamp holders on both sides.

Preferably, there are four sets of ultraviolet lamps, and the photocatalyst plates are arranged crosswise and obliquely between the ultraviolet lamps.

Preferably, the side of the large particle filter chamber is provided with a door.

Preferably, a blower is arranged in the return channel.

Preferably, a VOC detection device is arranged in the photocatalytic decomposition chamber.

Due to the application of the above-mentioned technical solution, the utility model has the following advantages compared with the prior art:

The secondary treatment equipment for carbonized tail gas of the utility model includes a large particle filter chamber, an intermediate channel, a photocatalytic decomposition chamber and an air outlet channel connected in sequence, one side of the large particle filter chamber is provided with an air inlet, and the large particle filter chamber is provided with a filter screen , the filter screen is set obliquely, a vibration motor is installed outside the large particle filter chamber, the vibration motor is connected to the filter screen, several groups of ultraviolet lamps are installed in the photocatalytic decomposition chamber, photocatalyst plates are arranged between the ultraviolet lamps, and the exhaust gas is filtered by large particles The filter screen in the chamber filters out large particles of impurities and then enters the photocatalytic decomposition chamber, which is decomposed into water and carbon dioxide under the combined use of ultraviolet lamps and photocatalyst plates, without consuming other energy sources, which is more environmentally friendly, improves the process of tail gas decomposition, and improves understand the decomposition efficiency.

Description of drawings

Below in conjunction with accompanying drawing, technical scheme of the utility model is further described:

Accompanying drawing 1 is the three-dimensional view of the utility model carbonized tail gas secondary treatment equipment;

Accompanying drawing 2 is the cross-sectional view of the utility model carbonized tail gas secondary treatment equipment;

Accompanying drawing 3 is the schematic diagram of the secondary treatment equipment of carbonized tail gas of the present invention.

Among them: 1. Large particle filter chamber; 2. Middle channel; 3. Photocatalytic decomposition chamber; 4. Outlet channel; 5. Air inlet; 6. Filter screen; 7. Vibration motor; 8. Intake valve; 9. Ultraviolet lamp; 91, lamp holder; 92, lamp tube; 10, photocatalyst plate; 11, outlet valve; 12, return channel; 13, door; 14, blower.

Detailed ways

The preferred embodiments of the utility model will be described in detail below in conjunction with the accompanying drawings, so that the advantages and characteristics of the utility model can be more easily understood by those skilled in the art, so that the protection scope of the utility model can be defined more clearly .

It should be noted that when an element is referred to as being “fixed on” or “disposed on” another element, it may be directly on the other element or there may be an intervening element at the same time. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.

In addition, it should also be noted that the orientation terms such as left, right, up, and down in the embodiments of the present utility model are only relative concepts or refer to the normal use status of the product, and should not be regarded as having restrictive. The realization of the utility model is described in detail below in conjunction with specific embodiments.

As shown in accompanying drawing 1 and accompanying drawing 2, it is a carbonized tail gas secondary treatment equipment of the present invention, which includes a large particle filter chamber 1, an intermediate channel 2, a photocatalytic decomposition chamber 3 and an air outlet channel 4 connected in sequence. One side of the large particle filter chamber 1 has an air inlet 5, and a filter screen 6 is installed in the large particle filter chamber 1, and the filter screen 6 is covered with the cross section of the large particle filter chamber 1, so that the large particle impurities in the passing exhaust gas are eliminated The interception remains in the large particle filter chamber 1, and the filtered tail gas enters the next step to continue decomposition. The filter screen 6 is installed obliquely to increase the filtering area in a limited space. The upper end of the filter screen 6 is close to the air inlet 5, and the lower end of the filter screen 6 is far away from the air inlet 5. A vibration motor is installed outside the large particle filter chamber 1. 7. The vibration motor 7 is connected to the filter screen 6. After the equipment works for a period of time, start the vibration motor 7 to vibrate the filter screen 6, and shake off the large particles of impurities on the filter screen 6 to improve the filtering effect and prolong the use of the filter screen 6. life. A door 13 is installed on the side of the large particle filter chamber 1, and the large particle impurities shaken off are cleaned out by opening the door 13, so that the large particle filter chamber 1 is kept clean for next filtration.

An air inlet valve 8 is installed in the middle channel 2 to switch on and off the large particle filter chamber 1 and the photocatalytic decomposition chamber 3 . Several groups of ultraviolet lamps 9 are installed in the photocatalytic decomposition chamber 3, and photocatalyst plates 10 are installed between the ultraviolet lamps 9. The ultraviolet lamps 9 and the photocatalyst plates 10 are used together to decompose the organic compounds in the tail gas into harmless water And carbon dioxide, no need to be decomposed by combustion, etc., saving energy. As shown in Figure 3, the ultraviolet lamp 9 includes a lamp holder 91 and a lamp tube 92, the lamp holder 91 is connected to the side wall of the photocatalytic decomposition chamber 3 respectively, and the lamp tube 92 is connected to the lamp holders 91 on both sides, making full use of the photocatalytic decomposition Room 3 interior space. There are four sets of ultraviolet lamps 9, and the photocatalyst plates 10 are installed crosswise and obliquely between the ultraviolet lamps 9 to increase the contact area with the exhaust gas and improve the decomposition efficiency.

An outlet valve 11 is installed in the outlet channel 4, and the outlet valve 11 and the inlet valve 8 are closed at the same time to close the photocatalytic decomposition chamber 3, so that the entering tail gas stays in the photocatalytic decomposition chamber 3 for full decomposition. A return channel 12 is installed between the middle channel 2 and the outlet channel 4, and a blower 14 is installed in the return channel 12 to extract the tail gas from the rear of the photocatalytic decomposition chamber 3 into the front and re-enter the decomposition cycle to improve the efficiency of decomposition. A VOC detection device is installed in the photocatalytic decomposition chamber 3. After the VOC detection device detects that the VOC gas concentration in the photocatalytic decomposition chamber 3 drops to a normal level, the outlet valve 11 is opened to discharge the exhaust gas.

The above is only an embodiment of the utility model, and does not limit the patent scope of the utility model. Any equivalent structure or equivalent process conversion made by using the content of the utility model description, or directly or indirectly used in other related technologies Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (6)

1. The utility model provides a carbonization tail gas secondary treatment equipment which characterized in that: the device comprises a large particle filter chamber, a middle passage, a photocatalytic decomposition chamber and an air outlet passage which are sequentially communicated, wherein an air inlet is formed in one side of the large particle filter chamber, a filter screen is arranged in the large particle filter chamber, the filter screen is obliquely arranged, the upper end of the filter screen is close to the air inlet, the lower end of the filter screen is far away from the air inlet, a vibrating motor is arranged on the outer side of the large particle filter chamber, and the vibrating motor is connected with the filter screen; an air inlet valve is arranged in the middle channel; a plurality of groups of ultraviolet lamps are arranged in the photocatalytic decomposition chamber, and photocatalyst plates are arranged between the ultraviolet lamps; an air outlet valve is arranged in the air outlet channel; and a reflux channel is arranged between the middle channel and the air outlet channel.

2. The carbonized tail gas secondary treatment apparatus according to claim 1, wherein: the ultraviolet lamp comprises a lamp holder and a lamp tube, wherein the lamp holder is respectively connected with the side wall of the photocatalytic decomposition chamber, and the lamp tube is connected with the lamp holders at two sides.

3. The carbonized tail gas secondary treatment apparatus according to claim 1, wherein: the ultraviolet lamps are provided with four groups, and the photocatalyst plates are obliquely arranged between the ultraviolet lamps in a crossing way.

4. The carbonized tail gas secondary treatment apparatus according to claim 1, wherein: the side of the large particle filter chamber is provided with a door.

5. The carbonized tail gas secondary treatment apparatus according to claim 1, wherein: and a blower is arranged in the reflux passage.

6. The carbonized tail gas secondary treatment apparatus according to claim 1, wherein: and a VOC detection device is arranged in the photocatalytic decomposition chamber.

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