Catalytic combustion purifier

Abstract

The utility model relates to the technical field of catalytic combustion purifiers, in particular to a catalytic combustion purifier which comprises a main support, a plurality of groove rods are fixedly installed on the bottom side of the main support, a plurality of steel channels are fixedly installed on the bottom sides of the groove rods, and a heat exchanger is installed on the bottom side of the main support. Three catalytic layers are arranged on the inner side of the main support, three thermocouples are fixedly installed on the inner side of the main support, a burner is fixedly installed on the side wall of the main support, and an explosion venting piece is detachably installed on the top side of the main support. The working principle of the CO catalytic combustion purifier mainly depends on the action of a catalyst, activation energy of reaction is reduced through the catalyst, combustible substances in organic waste gas are subjected to oxidation reaction at a low temperature and are decomposed into harmless carbon dioxide and water, and compared with a traditional thermal combustion method, the CO catalytic combustion purifier has the advantages that the CO catalytic combustion purifier is simple in structure and low in cost. The device has the advantages of less auxiliary fuel, low energy consumption and small equipment size.

Description

TECHNICAL FIELD

[0001] The utility model relates to catalytic combustion purifier technical field especially relates to a catalytic combustion purifier. BACKGROUND

[0002] Catalytic combustion purifier is a kind of common air purification equipment, mainly using the principle of catalytic combustion to remove organic pollutants in indoor air, its working principle is as follows: air is sucked from outside into the equipment inside by intake system;Air is subjected to pretreatment program, such as prefiltering, heating etc., to remove larger particulate matter and improve reaction temperature;Enter catalytic combustion chamber, under the action of catalyst, organic pollutants are oxidized and decomposed into harmless carbon dioxide and water;After harmless treatment, air is filtered again at the end, and after removing fine particles, it is discharged, catalytic combustion purifier can effectively remove volatile organic compounds, malodorous gas, oil smoke and other organic pollutants, and is widely applied to air purification in industry, commercial places.

[0003] The existing related technology often has the following defects: the traditional catalytic combustion purifier has the characteristics of inconvenient operation, high energy consumption, low safety performance, high heating energy consumption and environmental pollution during use, which reduces the operation and use performance of the catalytic combustion purifier.

[0004] Therefore, the utility model provides a catalytic combustion purifier. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the low operation and use performance of catalytic combustion purifier in prior art, and provides a catalytic combustion purifier.

[0006] In order to achieve the above object, the utility model adopts the following technical scheme: a catalytic combustion purifier, including total support, the bottom side of total support is fixedly installed with a plurality of slot rods, the bottom side of a plurality of slot rods is fixedly installed with a plurality of channel steels, the bottom side of total support is installed with heat exchanger, the inner side of total support is provided with three catalytic layers, the inner side of total support is fixedly installed with three thermocouples, the side wall of total support is fixedly installed with combustion engine.

[0007] Preferably, the top side of total support is detachably installed with explosion vent.

[0008] Preferably, the side wall of total support is detachably installed with access door.

[0009] Preferably, the inner side of total support is fixedly installed with flame stabilizer.

[0010] Preferably, the inner side of the total support is provided with an aluminum silicate heat preservation layer, which comprises an aluminum silicate fiber board arranged on the inner side of the total support, and the surface of the aluminum silicate fiber board is bonded with an aluminum silicate fiber blanket.

[0011] Preferably, the inner side of the total support is provided with three overflow holes.

[0012] Preferably, the inner side of the total support is fixedly installed with a surrounding flame plate.

[0013] In summary:

[0014] In the utility model, the working principle of CO catalytic combustion purifier mainly depends on the action of catalyst, reduces the activation energy of reaction through catalyst, makes the combustible material in organic waste gas oxidize at lower temperature, and decomposes into harmless carbon dioxide and water, and this technology has the advantages of less auxiliary fuel, low energy consumption and small equipment volume compared with traditional thermal combustion method. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is the section view of B-B in the utility model;

[0017] Figure 3 It is the front view of the utility model;

[0018] Figure 4 It is the left view of the utility model;

[0019] Figure 5 It is the section view of A-A in the utility model;

[0020] Figure 6 It is the plan view of the utility model.

[0021] Legend: 1, total support; 2, combustion machine; 3, explosion venting sheet; 4, access door; 5, heat exchanger; 6, flame stabilizer; 7, thermocouple; 8, aluminum silicate heat preservation layer; 81, aluminum silicate fiber board; 82, aluminum silicate fiber blanket; 9, overflow hole; 10, catalytic layer; 11, surrounding flame plate; 12, channel bar; 13, channel steel. DETAILED DESCRIPTION

[0022] Referring to Figures 1-6 The utility model provides a technical scheme: a catalytic combustion purifier, including total support 1.

[0023] The specific setting and effect of the whole will be described below.

[0024] In the embodiment, the bottom side of the total support 1 is fixedly provided with a plurality of channel bars 12, the bottom side of the channel bars 12 is fixedly provided with a plurality of channel steels 13, the bottom side of the total support 1 is provided with a heat exchanger 5, the inner side of the total support 1 is provided with three catalytic layers 10, the inner side of the total support 1 is fixedly provided with three thermocouples 7, and the side wall of the total support 1 is fixedly provided with a combustion machine 2.

[0025] Specifically, the top side of the total support 1 is detachably provided with an explosion venting panel 3, and the side wall of the total support 1 is detachably provided with an access door 4.

[0026] The inner side of the total support 1 is fixedly provided with a flame stabilizer 6, the inner side of the total support 1 is provided with an aluminum silicate thermal insulation layer 8, the aluminum silicate thermal insulation layer 8 comprises an aluminum silicate fiber board 81 arranged on the inner side of the total support 1, the surface of the aluminum silicate fiber board 81 is bonded with an aluminum silicate fiber blanket 82, the inner side of the total support 1 is provided with three overflow holes 9, and the inner side of the total support 1 is fixedly provided with a flame containment plate 11.

[0027] Working principle, the organic waste gas is first heat exchanged by the heat exchanger, and the waste heat is recovered, then the waste gas is heated by the combustion machine to further increase the temperature, and reaches the ignition temperature under the action of the catalyst, in the catalytic combustion bed, the waste gas is pyrolyzed into carbon dioxide and water under the action of the catalyst, and heat is released at the same time, so that the gas temperature is further increased, catalytic combustion: the CO furnace utilizes the catalyst to reduce the activation energy of the organic matter, so that it is completely oxidized and decomposed at a relatively low temperature of 200-300°C to generate carbon dioxide and water, this process is accurately controlled by an electric control system to ensure safety and efficiency, catalytic combustion is a typical gas-solid phase catalytic reaction, its essence is deep oxidation participated by active oxygen, in the catalytic combustion process, the role of the catalyst is to reduce the activation energy, at the same time, the catalyst surface has an adsorption effect, so that the reactant molecules are enriched on the surface to increase the reaction rate and speed up the reaction, with the help of the catalyst, the organic waste gas can be flameless combustion at a lower ignition temperature, and is oxidized and decomposed into CO2 and H2O, while a large amount of heat energy is released, so as to achieve the method of removing harmful substances in the waste gas, and the reaction process is:

[0028]

[0029] In the process of catalytic combustion of waste gas, the waste gas is sent into the heat exchanger by the fan through the collecting pipeline, the waste gas is heated to the starting temperature required for catalytic combustion by the combustion machine, the preheated waste gas is decomposed by the catalyst layer, and due to the presence of the catalyst, the starting temperature of the catalytic combustion of the waste gas is about 200-300 DEG C, which is much lower than the combustion temperature of 650-860 DEG C in the direct combustion method, so the energy consumption is much lower than that in the direct combustion method, and under the activity of the catalyst, the reacted gas produces a certain amount of heat, the high-temperature gas enters the heat exchanger again, is cooled by heat exchange, and finally is discharged into the atmosphere at a lower temperature by the fan, waste heat recovery: the purified tail gas passes through the heat exchanger to realize the recovery and utilization of waste heat, improve the energy utilization efficiency, convenient operation: when the equipment works, automatic control is realized, low energy consumption: it takes 10-20 minutes to heat to the ignition temperature after the equipment is started, and the energy consumption is only the power of the fan, the starting and preheating of the equipment and the loss of natural gas, safe and reliable: the equipment is provided with a fireproof dust removal system, an explosion-proof pressure relief system, an over-temperature alarm system and an advanced automatic control system, the equipment has small resistance, high purification rate: the advanced honeycomb ceramic carrier catalyst impregnated with noble metal palladium and platinum is adopted, the specific surface area is large, the waste heat can be reused: the waste heat is used for heating the reverse cold flow waste gas, the heating energy consumption is reduced, the occupied area is small: only 70%-80% of the same kind of products in the same industry, and the equipment foundation has no special requirements, long service life: the catalyst is generally replaced after 8000 hours, and the carrier can be regenerated, energy saving and environmental protection: through the catalytic combustion technology, the CO furnace realizes the purification treatment of waste gas, reduces the preheating energy consumption and the generation of nitrogen oxides NOx, and is a high-efficiency, energy-saving and environmental-friendly waste gas treatment technology.

[0030] In summary, the CO catalytic combustion equipment has high removal efficiency, which can reach more than 90%, convenient operation, automatic control, energy saving and environmental protection, the heat released by self-oxidation combustion maintains self-ignition, no additional heating is needed, and no secondary pollution is produced, and these characteristics make the CO catalytic combustion technology have wide application prospect in the treatment of waste gas pollution, especially in the treatment of waste gas containing volatile organic compounds VOCs.

[0031] It should be explained in the description of the utility model that, unless otherwise explicitly specified and limited, the terms "mounting", "connection" and "connection" should be understood in a broad sense, for example, it can be fixed connection, or detachable connection, or integrally connected, it can be mechanical connection, or electrical connection, it can be directly connected, or indirectly connected through an intermediate medium, or the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

Claims

1. A catalytic combustion purifier, comprising a main support frame (1), characterized in that: A plurality of channel rods (12) are fixedly installed on the bottom side of the main support (1), and a plurality of channel steels (13) are fixedly installed on the bottom side of the plurality of channel rods (12). A heat exchanger (5) is installed on the bottom side of the main support (1). Three catalytic layers (10) are provided on the inner side of the main support (1). Three thermocouples (7) are fixedly installed on the inner side of the main support (1). A burner (2) is fixedly installed on the side wall of the main support (1).

2. The catalytic combustion purifier according to claim 1, characterized in that: The top side of the main support (1) is detachably fitted with a venting disc (3).

3. The catalytic combustion purifier according to claim 1, characterized in that: The side wall of the main support (1) is detachably equipped with an inspection door (4).

4. The catalytic combustion purifier according to claim 1, characterized in that: A flame stabilizer (6) is fixedly installed on the inner side of the main support (1).

5. A catalytic combustion purifier according to claim 1, characterized in that: An aluminum silicate insulation layer (8) is provided on the inner side of the main support (1). The aluminum silicate insulation layer (8) includes an aluminum silicate fiber board (81) provided on the inner side of the main support (1). An aluminum silicate fiber blanket (82) is bonded to the surface of the aluminum silicate fiber board (81).

6. A catalytic combustion purifier according to claim 1, characterized in that: The inner side of the main support (1) is provided with three flow holes (9).

7. A catalytic combustion purifier according to claim 1, characterized in that: A flame-enclosing plate (11) is fixedly installed on the inner side of the main support (1).

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