CN211876061U

CN211876061U - Heat accumulating type catalytic combustion equipment

Info

Publication number: CN211876061U
Application number: CN202020396536.0U
Authority: CN
Inventors: 桂立凯; 肖芸; 孙光大
Original assignee: Suzhou Aiselinte Environmental Engineering Co ltd
Current assignee: Suzhou Aiselinte Environmental Engineering Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2020-11-06
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses a heat accumulating type catalytic combustion device, which comprises an outer box body, an inner box body arranged inside the outer box body and heat preservation cotton arranged between the outer box body and the inner box body; the two adjacent side surfaces of the outer box body are respectively provided with a cold air inlet and a hot air outlet; the utility model has the advantages of, be equipped with the heat exchanger in the interior box, the heat exchanger includes air conditioning air-supply line and steam play tuber pipe, be connected with heat accumulation pottery on air conditioning air-supply line and the steam play tuber pipe respectively, be provided with heat accumulation ceramic catalyst on the heat accumulation pottery, there is certain distance between heat accumulation ceramic catalyst and the interior box top, forms combustion space, heat accumulation pottery's one end and air conditioning access connection are kept away from to the air conditioning air-supply line, heat goes out the tuber pipe and keeps away from heat accumulation pottery's one end and hot gas outlet connection, the beneficial effects of the utility model are that, simple structure, stable performance, area are little, light in weight can carry out reasonable catalysis to organic waste gas, have satisfied present needs to environmental protection.

Description

Heat accumulating type catalytic combustion equipment

Technical Field

The utility model relates to an organic waste gas treatment technical field, especially a heat accumulation formula catalytic combustion equipment.

Background

Harmful organic waste gas can volatilize or leak in the processing and production processes of coating, printing, shoe making, electromechanics, plastics and various chemical workshops, and if the harmful organic waste gas is directly discharged in the air without being treated, the harmful organic waste gas can cause great pollution to the environment and great harm to the health of human bodies; at present, the conventional organic waste gas treatment is mainly carried out through an RCO catalytic combustion device, but in the catalytic combustion process, the catalytic gas needs to be continuously heated so as to meet the regulation of catalysis, so that more heat resources are wasted, and the running cost is higher.

In view of the above, there is a need for an improved catalytic combustion device for organic waste gas, which can meet the current requirements for organic waste gas treatment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving current organic waste gas treatment and mainly passing through RCO catalytic combustion device, but it is in catalytic combustion process, need continuously treat the catalytic gas and heat to reach the regulation that satisfies catalysis, and the heat resource waste is more, and the higher problem of running cost has set up a heat accumulation formula catalytic combustion equipment that easy operation, working costs are low and energy-conserving effect is showing, specifically is a heat accumulation formula catalytic combustion equipment.

The technical scheme of the utility model is that the heat accumulating type catalytic combustion equipment comprises an outer box body, an inner box body arranged inside the outer box body, and heat insulation cotton arranged between the outer box body and the inner box body; the two adjacent side surfaces of the outer box body are respectively provided with a cold air inlet and a hot air outlet; a heat exchanger is arranged in the inner box body and comprises a cold air inlet pipe and a hot air outlet pipe, heat storage ceramics are respectively connected to the cold air inlet pipe and the hot air outlet pipe, heat storage ceramic catalysts are arranged on the heat storage ceramics, a certain distance exists between the heat storage ceramic catalysts and the top of the inner box body to form a combustion space, and the combustion space adopts an electric heating mode; the one end and the cold air inlet connection of heat accumulation pottery are kept away from to the cold air-supply line, the steam goes out the one end and the hot gas outlet connection that the pottery was kept away from to the steam tuber pipe.

The scheme is further explained, the longitudinal sections of the cold air inlet pipe and the hot air outlet pipe are respectively formed in a plurality of bow shapes, and the cold air inlet pipe and the hot air outlet pipe are designed in a stacked mode during working.

The scheme is further explained, the electric heating adopts a thermocouple, a plurality of thermocouples are arranged on the outer box body, one end of each thermocouple is exposed in the air outside the outer box body, and the other end of each thermocouple is inserted into a combustion space formed between the heat storage ceramic catalyst and the top of the inner box body.

The scheme is further explained, and a cross brace for fixing the bottom of the inner box body and the outer box body is arranged between the bottom of the inner box body and the outer box body.

Further elaborating on the scheme, the heat storage ceramic catalyst is made of a precious metal material.

The hot air preheating device has the advantages that the cold air inlet pipe and the hot air outlet pipe are in a laminated design when working, heat in the hot air outlet pipe can be transferred into the cold air inlet pipe for preheating, the working time of electric heating is reduced, and the running cost is reduced; the electric heating adopts a thermocouple, so that the electric heating is practical and the working cost is low; the utility model discloses heat accumulation formula catalytic combustion device simple structure, stable performance, area are little, light in weight can carry out reasonable catalysis to organic waste gas, have satisfied present needs to environmental protection.

Drawings

Fig. 1 is an isometric view of a regenerative catalytic combustion device of the present invention;

fig. 2 is a front view of the heat accumulating type catalytic combustion apparatus of the present invention;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

fig. 4 is a partial schematic structural view of a heat exchanger in the regenerative catalytic combustion apparatus of the present invention;

fig. 5 is another schematic structural diagram of a heat exchanger in the regenerative catalytic combustion apparatus of the present invention;

fig. 6 is a schematic view of the overall structure of the heat exchanger in the regenerative catalytic combustion apparatus of the present invention.

11, an outer box body; 111. a cold air inlet; 112. a hot gas outlet; 113. a thermocouple; 21. heat preservation cotton; 31. a heat-storing ceramic catalyst; 32. a heat-accumulating ceramic; 33. a hot air outlet pipe; 34. a cold air inlet pipe.

Detailed Description

First explain the utility model discloses a design is original intention, is mainly through RCO catalytic combustion device in order to solve current organic waste gas treatment, but it is in catalytic combustion process, needs continuous treating catalytic gas to heat to reach the regulation that satisfies catalysis, and heat resource waste is more, and the problem that the running cost is higher makes its present market of more laminating in order to play effectual catalytic combustion to organic waste gas, the utility model provides a heat accumulation formula catalytic combustion equipment to can carry out effective, the catalysis of low energy consumption to organic waste gas, make it satisfy present air discharge's needs, reduce the pollution to the environment.

In order to facilitate the technical solution to be more clear to those skilled in the art, the following will explain the detailed structure and principle of each mechanism with reference to fig. 1-6: a heat accumulating type catalytic combustion device comprises an outer box body 11, an inner box body (not marked) arranged inside the outer box body 11, and heat insulation cotton 21 arranged between the outer box body 11 and the inner box body; the heat insulation cotton 21 can effectively keep the temperature in the inner box body; a cross brace (not shown) for fixing the inner box body and the outer box body 11 is arranged between the bottom of the inner box body and the outer box body; two adjacent side surfaces of the outer box body 11 are respectively provided with a cold air inlet 111 and a hot air outlet 112; a heat exchanger (not shown) is arranged in the inner box body, the heat exchanger comprises a cold air inlet pipe 34 and a hot air outlet pipe 33, the cold air inlet pipe 34 and the hot air outlet pipe 33 are respectively connected with heat storage ceramic 32, the heat storage ceramic 32 is provided with a heat storage ceramic catalyst 31, a certain distance exists between the heat storage ceramic catalyst 31 and the top of the inner box body to form a combustion space, and the combustion space adopts an electric heating mode; the end of the cold air inlet pipe 34 remote from the heat storage ceramic 32 is connected to a cold air inlet 111, and the end of the hot air outlet pipe 33 remote from the heat storage ceramic 32 is connected to a hot air outlet 112.

To the further explanation of scheme, air conditioning air-supply line 34 is a plurality of "bow" font constitution respectively with steam play tuber pipe 33 longitudinal section, air conditioning air-supply line 34 is the range upon range of formula design with steam play tuber pipe 33 during operation, makes and carries out the heat exchange with air conditioning air-supply line 34 contact segment from the partly heat of gas of steam play tuber pipe 33 output, thereby preheats organic waste gas and recycles the heat, has practiced thrift the energy and has reduced the running cost simultaneously.

The scheme is further explained, the electric heating adopts a thermocouple 113, a plurality of thermocouples 113 are arranged on the outer box body 11, one end of each thermocouple 113 is exposed in the air outside the outer box body 11, and the other end of each thermocouple 113 is inserted into a combustion space formed between the catalyst 31 of the heat storage ceramic 32 and the top of the inner box body to heat the combustion space, so that the temperature reaches 250-280 ℃.

Further explaining the scheme, the heat storage ceramic catalyst 31 is made of a precious metal material, and the precious metal is preferably platinum or palladium, so that the organic waste gas can react with the heat storage ceramic catalyst 31 at about 250-280 ℃ to generate carbon dioxide and water and release a large amount of heat.

The working principle is as follows: the organic waste gas is sucked from the cold air inlet 111, is transmitted through the cold air inlet pipe and then reaches the heat storage ceramic 32 for preheating, the organic waste gas is in a combustion space at about 250-280 ℃, the organic waste gas is subjected to oxidation reaction to generate carbon dioxide and water and release a large amount of heat under the active catalytic action of the heat storage ceramic catalyst 31, and the heat storage ceramic catalyst 31 can realize the complete oxidation of organic matters at low temperature (200-400 ℃), so the operation is convenient, and the purification efficiency is high; the gas passes through the hot gas outlet pipe 33, a part of heat is transferred to the cold gas inlet pipe 34 at the contact part of the hot gas outlet pipe 33 and the cold gas inlet pipe 34, the heat is recycled, and finally the gas is discharged into the atmosphere at a lower temperature.

Above-mentioned technical scheme has only embodied the utility model discloses technical scheme's preferred technical scheme, some changes that this technical field's technical personnel probably made to some parts wherein have all embodied the utility model discloses a principle belongs to within the protection scope of the utility model.

Claims

1. A heat accumulating type catalytic combustion device comprises an outer box body and an inner box body arranged in the outer box body, and is characterized by also comprising heat insulation cotton arranged between the outer box body and the inner box body; the two adjacent side surfaces of the outer box body are respectively provided with a cold air inlet and a hot air outlet; a heat exchanger is arranged in the inner box body and comprises a cold air inlet pipe and a hot air outlet pipe, heat storage ceramics are respectively connected to the cold air inlet pipe and the hot air outlet pipe, heat storage ceramic catalysts are arranged on the heat storage ceramics, a certain distance exists between the heat storage ceramic catalysts and the top of the inner box body to form a combustion space, and the combustion space adopts an electric heating mode; the one end and the cold air inlet connection of heat accumulation pottery are kept away from to the cold air-supply line, the steam goes out the one end and the hot gas outlet connection that the pottery was kept away from to the steam tuber pipe.

2. A regenerative catalytic combustion unit as claimed in claim 1 wherein the cold air inlet duct and the hot air outlet duct are each formed in a plurality of "bows" in longitudinal cross-section, the cold air inlet duct and the hot air outlet duct being of a stacked design in operation.

3. A regenerative catalytic combustion apparatus as claimed in claim 1 wherein said electric heating is provided by thermocouples, said outer casing being provided with a plurality of thermocouples, one end of said thermocouples being exposed to the air outside said outer casing and the other end thereof being inserted into the combustion space formed between the regenerative ceramic catalyst and the top of the inner casing.

4. A regenerative catalytic combustion apparatus as claimed in claim 1 wherein a cross brace is provided between the bottom of the inner casing and the outer casing to secure the two.

5. A regenerative catalytic combustion unit according to claim 1, wherein the regenerative ceramic catalyst is made of a precious metal material.