CN212157194U

CN212157194U - Novel RTO exhaust-gas treatment device

Info

Publication number: CN212157194U
Application number: CN202020320518.4U
Authority: CN
Inventors: 杨永超
Original assignee: Guangdong Hengfeng Blue Environmental Engineering Co ltd
Current assignee: Guangdong Hengfeng Blue Environmental Engineering Co ltd
Priority date: 2020-03-16
Filing date: 2020-03-16
Publication date: 2020-12-15
Anticipated expiration: 2030-03-16

Abstract

The utility model discloses a novel RTO exhaust-gas treatment device, burn burning furnace, waste gas including RTO and introduce fan, leading filter, heat exchanger, active carbon zeolite adsorption tower, gas outgoing fan and clean gas delivery pipe, RTO burns burning furnace's inside and is equipped with combustion chamber and regenerator, and the inside of combustion chamber is equipped with some firearms, and the inside of every regenerator is equipped with the regenerator respectively, and leading filter's inside divide into activated carbon layer, filter screen layer and catalyst layer. The utility model discloses set up leading filter before waste gas gets into RTO burns burning furnace, leading filter is equipped with activated carbon layer, filter screen layer and catalyst layer, burns burning furnace after coming out at waste gas from RTO and has still set up activated carbon zeolite adsorption tower, has improved the exhaust-gas treatment effect greatly, and purification efficiency is high, can also realize waste heat recovery in addition and utilize.

Description

Novel RTO exhaust-gas treatment device

Technical Field

The utility model relates to a waste gas treatment technical field, more specifically say, relate to a novel RTO exhaust-gas treatment device.

Background

RTO is a high-efficiency organic waste gas treatment device. Compared with the traditional catalytic combustion and direct combustion type thermal oxidation furnace, the high-efficiency direct-fired thermal oxidation furnace has the characteristics of high thermal efficiency, low operation cost, capability of treating low-concentration waste gas with large air volume and the like, and can also carry out secondary waste heat recovery when the concentration is slightly high, thereby greatly reducing the production and operation cost. However, the existing RTO waste gas treatment equipment still has the problems of poor waste gas treatment effect, low efficiency and the like.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide a novel RTO exhaust-gas treatment device.

In order to achieve the purpose, the utility model provides a novel RTO waste gas treatment device, which comprises an RTO incinerator, a waste gas introducing fan, a pre-filter, a heat exchanger, an activated carbon/zeolite adsorption tower, a gas discharging fan and a clean gas discharging pipe, wherein the RTO incinerator is internally provided with a combustion chamber and at least one heat storage chamber communicated with the combustion chamber, the combustion chamber is internally provided with an igniter, the inside of each heat storage chamber is respectively provided with a heat storage body, the waste gas introducing fan and the pre-filter are connected with the air inlet of the heat storage chamber through an air inlet pipeline in sequence, the pre-filter is internally provided with an activated carbon layer, a filter screen layer and a catalyst layer in sequence according to the air inlet direction, the air inlet of the heat exchanger is communicated with the combustion chamber, the air outlet of each heat storage chamber and the air outlet of the heat exchanger are respectively connected with the air inlet of, and the gas exhaust fan is connected between the outlet of the activated carbon/zeolite adsorption tower and the clean gas exhaust pipe.

Preferably, the aperture of the metal screen of the screen layer is 0.5mm to 1 mm.

Preferably, the catalyst layer is a noble metal catalyst layer.

Preferably, the heat accumulator is a cordierite honeycomb ceramic heat accumulator.

Preferably, the heat exchanger is a water tube heat exchanger, and a serpentine water tube is provided inside the water tube heat exchanger.

Preferably, the igniter is connected with a combustion fan through an air pipe.

Preferably, a temperature sensor is provided inside the combustion chamber.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model discloses set up leading filter before waste gas gets into RTO burns burning furnace, leading filter is equipped with activated carbon layer, filter screen layer and catalyst layer, burns burning furnace after coming out at waste gas from RTO and has still set up activated carbon zeolite adsorption tower, has improved the exhaust-gas treatment effect greatly, and purification efficiency is high, can also realize waste heat recovery in addition and utilize.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a novel RTO exhaust gas treatment device provided by an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a prefilter according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, an embodiment of the present invention provides a novel RTO waste gas treatment device, which includes an RTO incinerator 1, a waste gas introducing fan 2, a pre-filter 3, a heat exchanger 4, an activated carbon/zeolite adsorption tower 5, a gas discharging fan 6, a clean gas discharging pipe 7, and the following describes each component of this embodiment in detail with reference to the accompanying drawings.

RTO burns burning furnace 1's inside and is equipped with combustion chamber 11 and three regenerator 12 that communicates with combustion chamber 11, combustion chamber 11's inside is equipped with some firearm 13, can produce 760 ~ 1000 ℃ of high temperature after some firearm 13 lights, carry out the high temperature combustion to waste gas, make its production carbon dioxide and water after the burning, every regenerator 12's inside is equipped with regenerator 14 respectively, preferably, regenerator 14 can be cordierite honeycomb ceramic regenerator, regenerator 14 can preheat the organic waste gas who gets into regenerator 12, thereby save the fuel consumption of waste gas intensification.

Preferably, the igniter 13 is connected with a combustion fan 8 through a gas pipe. The interior of the combustion chamber 11 may be provided with a temperature sensor 9.

The exhaust gas introducing fan 2 and the pre-filter 3 are connected to the inlet of the regenerator 12 in sequence through an inlet duct, and as shown in fig. 2, an activated carbon layer 31, a filter screen layer 32 and a catalyst layer 33 are sequentially provided in the pre-filter 3 in the inlet direction, wherein the mesh of the metal mesh of the filter screen layer 32 may preferably have a pore diameter of 0.5mm to 1 mm. The catalyst layer 33 may preferably be a noble metal catalyst layer. The pre-filter 3 is capable of pre-treating and filtering the exhaust gas before it enters the RTO incinerator.

In the present embodiment, the heat exchanger 4 is preferably a water tube heat exchanger, and a serpentine water tube is provided inside the water tube heat exchanger. The air inlet of the heat exchanger 4 is communicated with the combustion chamber 11, and the gas which enters the heat exchanger 4 from the combustion chamber 11 and has heat can heat the water in the water pipe, so that the waste heat can be recycled.

The air outlet of each regenerator 12 and the air outlet of the heat exchanger 4 are respectively connected with the air inlet of the activated carbon/zeolite adsorption tower 5 through air outlet pipelines, and the air exhaust fan 6 is connected between the outlet of the activated carbon/zeolite adsorption tower 5 and the clean air exhaust pipe 7. The activated carbon/zeolite adsorption tower 5 can purify and filter tail gas of gas discharged from the RTO incinerator.

To sum up, the utility model has the advantages of reasonable design, can carry out tertiary purification treatment to waste gas, improve exhaust-gas treatment effect greatly, purification efficiency is high, can also realize waste heat recovery in addition.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a novel RTO exhaust-gas treatment device which characterized in that: comprises an RTO incinerator, a waste gas introducing fan, a pre-filter, a heat exchanger, an active carbon/zeolite adsorption tower, a gas discharging fan and a clean gas discharging pipe, the RTO incinerator is internally provided with a combustion chamber and at least one regenerator communicated with the combustion chamber, the inside of the combustion chamber is provided with an igniter, the inside of each heat storage chamber is respectively provided with a heat storage body, the waste gas is introduced into the fan and the pre-filter and is connected with the gas inlet of the heat storage chamber through the gas inlet pipeline in sequence, an active carbon layer, a filter screen layer and a catalyst layer are sequentially arranged in the pre-filter according to the air inlet direction, the air inlet of the heat exchanger is communicated with the combustion chamber, the air outlet of each regenerative chamber and the air outlet of the heat exchanger are respectively connected with the air inlet of the activated carbon/zeolite adsorption tower through air outlet pipelines, and the gas exhaust fan is connected between the outlet of the activated carbon/zeolite adsorption tower and the clean gas exhaust pipe.

2. The novel RTO exhaust treatment device of claim 1, wherein: the aperture of the metal filter screen of the filter screen layer is 0.5 mm-1 mm.

3. The novel RTO exhaust treatment device of claim 1, wherein: the catalyst layer is a noble metal catalyst layer.

4. The novel RTO exhaust treatment device of claim 1, wherein: the heat accumulator is a cordierite honeycomb ceramic heat accumulator.

5. The novel RTO exhaust treatment device of claim 1, wherein: the heat exchanger is a water tube type heat exchanger, and a snake-shaped water tube is arranged in the water tube type heat exchanger.

6. The novel RTO exhaust treatment device of claim 1, wherein: the igniter is connected with a combustion fan through an air pipe.

7. The novel RTO exhaust treatment device of claim 1, wherein: and a temperature sensor is arranged in the combustion chamber.