Waste liquid and VOCS waste gas combined incineration device

Abstract

The utility model relates to the technical field of incineration, in particular to a waste liquid and VOCS waste gas combined incineration device which comprises a furnace body assembly, the furnace body assembly comprises an incinerator, the interior of the incinerator is hollow, the upper surface of the incinerator is fixedly connected with a collecting box, the collecting box is communicated with the incinerator, and the upper surface of the collecting box is fixedly connected with a mixing chamber. The mixing chamber is used for mixing air and VOCS waste gas and improving the combustion efficiency, the mixing chamber is fixedly connected with a guide pipe assembly, the guide pipe assembly comprises a VOCS pipeline, the VOCS pipeline is fixedly connected with the collecting box, the fixed surface of the mixing chamber is fixedly connected with an air channel, and the air channel communicates with the mixing chamber. Organic matters in waste liquid and waste gas can be converted into carbon dioxide and water through incineration, meanwhile, heat is released and can be used as heat energy, the design is reasonable, the incineration device can reach a lower emission standard, and environmental pollution is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to incineration technical field, concretely relates to a kind of waste liquid, VOCS waste gas's combined incineration device. BACKGROUND

[0002] Waste liquid and volatile organic compound waste gas's combined incineration device, it is mainly used for industrial waste gas treatment and waste liquid disposal, especially those containing organic solvent, toxic gas and harmful substance waste gas and waste liquid.

[0003] Most chemical enterprises need to consider treating waste liquid and VOCs waste gas according to environmental protection requirements.VOCs have certain calorific value, but its flow and pollutant content fluctuation range is large, and the currently commonly used processing methods include adsorption treatment method, combustion treatment method, condensation treatment method, biological treatment method and regenerative incineration, etc.No matter which way has the problems such as high energy consumption, operation cost, and the running process will also cause environmental protection and safety risk due to VOCs component fluctuation.

[0004] Therefore, a kind of waste liquid, VOCS waste gas's combined incineration device is needed to improve the deficiency of prior art. INVENTION CONTENTS

[0005] The utility model aims at providing a kind of waste liquid, VOCS waste gas's combined incineration device to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides a kind of waste liquid, VOCS waste gas's combined incineration device, including furnace body component, the furnace body component includes incinerator, the incinerator inside hollow, the incinerator upper surface is fixedly connected with header tank, the header tank is communicated with incinerator, the header tank upper surface is fixedly connected with mixing chamber, the mixing chamber is used to mix air with VOCS waste gas, improves combustion efficiency, the mixing chamber is fixedly connected with guide pipe component, the guide pipe component includes VOCS pipeline, the VOCS pipeline is fixedly connected with header tank, the mixing chamber fixed surface is fixedly connected with air pipeline, the air pipeline is communicated with mixing chamber.

[0007] As further improvement of the technical solution, the mixing chamber upper surface is fixedly connected with combustion chamber, the combustion chamber is used to provide combustion space, the combustion chamber upper surface is fixedly connected with igniter, the incinerator one side is fixedly connected with exhaust port.

[0008] As further improvement of the technical solution, the header tank includes outer frame, the outer frame is fixedly connected with incinerator, the outer frame inside is equipped with cavity, the VOCS pipeline sends VOCS waste gas to cavity, the outer frame is fixedly connected with spray gun, the spray gun is communicated with cavity.

[0009] As a further improvement of the technical solution, the lower surface of the VOCS pipeline is fixedly connected with a VOCS fan, the VOCS fan pumps the waste gas of the plurality of collection points into the header, the lower end of the air pipeline is fixedly connected with an air pump, and the upper surface of the combustion chamber is fixedly connected with a waste liquid pipe.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows: the combined incineration can efficiently treat the organic matters in waste gas and waste liquid, reduces pollutant emission, the organic matters in waste liquid and waste gas can be converted into carbon dioxide and water through incineration, and heat is released at the same time, which can be used as heat energy, the design is reasonable, the incineration device can reach a lower emission standard, reduces environmental pollution, the VOCs waste gas and waste liquid are incinerated and treated, the operation is simple, the system energy consumption is reduced, the operation cost is low, the VOCs treatment device matched with the whole plant can be used as a standby device during the maintenance period or abnormal state of the waste liquid incinerator, and the environmental protection and safety levels of the whole plant are improved. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a whole structure schematic view of the embodiment;

[0012] Figure 2 It is a furnace body assembly structure schematic view of the embodiment;

[0013] Figure 3 It is a header structure schematic view of the embodiment;

[0014] Figure 4 It is a conduit assembly structure schematic view of the embodiment.

[0015] The meanings of various reference numerals in the drawings are as follows:

[0016] 1, furnace body assembly;10, incinerator;11, exhaust port;12, mixing chamber;13, combustion chamber;14, ignition device;

[0017] 2, header;20, outer frame;21, cavity;22, spray gun;

[0018] 3, conduit assembly;30, VOCS pipeline;31, VOCS fan;32, air pipeline;33, air pump;34, waste liquid pipe. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0020] Please refer toFigures 1-4 As shown, the embodiment provides a device for combined incineration of waste liquid and VOCs exhaust gas, comprising a furnace body assembly 1, the furnace body assembly 1 comprising an incinerator 10, the incinerator 10 being hollow inside, the incinerator 10 being fixedly connected with a collecting box 2 on the upper surface, the collecting box 2 being communicated with the incinerator 10, the collecting box 2 being fixedly connected with a mixing chamber 12 on the upper surface, the mixing chamber 12 being used for mixing air and VOCs exhaust gas to improve combustion efficiency, the mixing chamber 12 being fixedly connected with a pipe assembly 3, the pipe assembly 3 comprising a VOCs pipeline 30, the VOCs pipeline 30 being fixedly connected with the collecting box 2, the mixing chamber 12 being fixedly connected with an air pipeline 32 on the fixed surface, the air pipeline 32 being communicated with the mixing chamber 12.

[0021] The working principle is as follows: first, the VOCs exhaust gas enters the pipe assembly 3 through the VOCs pipeline, and then enters the collecting box 2, the collecting box 2 being communicated with the incinerator 10, which is a transition component for the exhaust gas to enter the incinerator 10, the air enters the mixing chamber 12 through the air passage, and in the mixing chamber 12, the air is fully mixed with the VOCs exhaust gas entering the mixing chamber 12 from the collecting box 2. The purpose of this mixing is to make the VOCs exhaust gas form a relatively uniform mixed gas with the air before entering the incinerator 10, so as to improve the subsequent combustion efficiency, and the mixed air-VOCs exhaust gas mixture entering the incinerator 10 through the mixing chamber 12. Since the incinerator 10 is hollow inside, it provides a space for the combustion of the mixed gas, and in the incinerator 10, the mixed gas occurs combustion reaction under suitable temperature and conditions, and in the combustion process, the organic pollutants in the VOCs exhaust gas are oxidized and decomposed into carbon dioxide, water and other harmless substances, thereby realizing the treatment of the VOCs exhaust gas.

[0022] In order to provide combustion, therefore, in the embodiment, the mixing chamber 12 is fixedly connected with a combustion chamber 13 on the upper surface, the combustion chamber 13 being used for providing a combustion space, the combustion chamber 13 being fixedly connected with an ignition device 14 on the upper surface, one side of the incinerator 10 being fixedly connected with an exhaust port 11, the VOCs exhaust gas being pumped to the collecting box 2 through the VOCs pipeline under the action of the VOCs fan. The collecting box 2 is communicated with the mixing chamber 12, and the VOCs exhaust gas enters the mixing chamber 12. At the same time, the air is also delivered to the mixing chamber 12 through the air pipeline 32 under the action of the air pump 33, and the mixed gas enters the combustion chamber 13 from the mixing chamber 12. The combustion chamber 13 provides a specific space for combustion reaction. The ignition device 14 is located on the upper surface of the combustion chamber 13, and when the ignition device 14 is started, a spark or a high-temperature source is generated to ignite the mixed gas entering the combustion chamber 13.

[0023] In order to mix the exhaust gas and air sufficiently, therefore, in the present embodiment, the header 2 comprises an outer frame 20 fixedly connected with the incinerator 10, the outer frame 20 is internally provided with a cavity 21, the VOCS pipeline 30 sends the VOCS exhaust gas into the cavity 21, the outer frame 20 is fixedly connected with a spray gun 22, the spray gun 22 is communicated with the cavity 21, the VOCS exhaust gas enters the incinerator 10 through the header 2 and the exhaust gas spray gun 22 arranged on the incinerator 10, which guarantees the uniform distribution of the exhaust gas into the incinerator 10, the header 2 is arranged below the waste liquid burner, which guarantees the VOCS to enter the central region of the waste liquid incineration flame, the VOCS exhaust gas distributed through the header 2 enters the incinerator 10 through the exhaust gas spray gun 22 at 45°, the spray gun 22 is inclined in the same direction as the rotation direction of the flame generated by the waste liquid incineration, and the flow rate of the exhaust gas entering the furnace through the spray gun 22 is not less than 30 m / s, which guarantees the sufficient mixing of the exhaust gas and the waste liquid incineration flame and the quick burning of the exhaust gas, the exhaust gas spray gun 22 is made of high-temperature-resistant material, is uniformly distributed in the circumference of the VOCS exhaust gas header 2, the outlet of the exhaust gas spray gun 22 is 120 mm away from the inner side of the refractory material of the incinerator 10, a fire stopper is arranged at the inlet of the header 2, which guarantees the safety of the VOCS exhaust gas collection system and the collection point in abnormal conditions.

[0024] In order to pump the gas, therefore, in the present embodiment, the lower surface of the VOCS pipeline 30 is fixedly connected with a VOCS fan 31, the VOCS fan 31 pumps the exhaust gas from the multiple collection points into the header 2 through the VOCS pipeline 30, the lower end of the air pipeline 32 is fixedly connected with a gas pump 33, the upper surface of the combustion chamber 13 is fixedly connected with a waste liquid pipeline 34, the VOCS fan pumps the VOCS exhaust gas from the multiple collection points into the header 2 through the VOCS pipeline. The VOCS fan provides power for the exhaust gas, so that it can overcome the pipeline resistance and smoothly enter the combustion system, the gas pump 33 is responsible for conveying air into the mixing chamber 12 through the air pipeline 32. The gas pump 33 provides stable air flow, which ensures that the VOCS exhaust gas can be mixed in a certain proportion to meet the needs of combustion.

[0025] The waste liquid and VOCs waste gas combined incineration device in the embodiment is used in the following way: first, the overall and local collection methods are combined, a distributed gas collection hood is used to collect VOCs waste gas in a large space such as a factory building or warehouse according to the air exchange requirement, the VOCs waste gas enters the duct assembly 3 through the VOCs pipeline, and then enters the header 2, the header 2 is in communication with the incinerator 10 and is a transition part for the waste gas to enter the incinerator 10, the air enters the mixing chamber 12 through the air passage, in the mixing chamber 12, the VOCs waste gas enters the incinerator 10 through the header 2 and the waste gas lance 22 arranged on the incinerator 10, so that the waste gas is uniformly distributed into the incinerator 10, the header 2 is arranged below the waste liquid burner, so that the VOCs enters the central area of the waste liquid incineration flame, the VOCs waste gas distributed by the header 2 enters the incinerator 10 through the waste gas lance 22 at 45°, the inclination direction of the waste gas lance 22 is consistent with the rotation direction of the flame generated by the waste liquid incineration, and the flow speed of the waste gas entering the incinerator through the waste gas lance 22 is not less than 30 m / s, so that the waste gas and the waste liquid combustion flame are fully mixed and burned as soon as possible, the waste gas lance 22 is made of high-temperature-resistant material and is uniformly distributed in the circumference of the VOCs waste gas header 2, the outlet of the waste gas lance 22 is 120 mm away from the inner side of the refractory material of the incinerator 10, a fire stopper is arranged at the inlet of the header 2, so that the safety of the VOCs waste gas collection system and the collection point is ensured in an abnormal situation, the air and the VOCs waste gas entering the mixing chamber 12 from the header 2 are fully mixed, the purpose of the mixing is to make the VOCs waste gas form a relatively uniform mixed gas with the air before entering the incinerator 10, so as to improve the subsequent combustion efficiency, and the mixed air and VOCs waste gas mixture entering the mixing chamber 12 enter the incinerator 10. Since the incinerator 10 is hollow, space is provided for the combustion of the mixed gas, in the incinerator 10, the mixed gas combusts under suitable temperature and conditions, in the combustion process, the organic pollutants in the VOCs waste gas are oxidized and decomposed into carbon dioxide, water and other harmless substances, so that the VOCs waste gas is treated.

[0026] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application, various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for combined incineration of waste liquid and VOCs exhaust gas, comprising a furnace body assembly (1), characterized in that: The furnace body assembly (1) includes an incinerator (10), the incinerator (10) is hollow inside, the upper surface of the incinerator (10) is fixedly connected with a header tank (2), the header tank (2) communicates with the incinerator (10), the upper surface of the header tank (2) is fixedly connected with a mixing chamber (12), the mixing chamber (12) is used for mixing air and VOCS waste gas, improving combustion efficiency, the mixing chamber (12) is fixedly connected with a pipe assembly (3), the pipe assembly (3) includes a VOCS pipeline (30), the VOCS pipeline (30) is fixedly connected with the header tank (2), the fixed surface of the mixing chamber (12) is fixedly connected with an air pipeline (32), the air pipeline (32) communicates with the mixing chamber (12).

2. The apparatus for combined incineration of waste liquid and VOCs exhaust gas according to claim 1, characterized in that: The upper surface of the mixing chamber (12) is fixedly connected with a combustion chamber (13), the combustion chamber (13) is used for providing a combustion space, the upper surface of the combustion chamber (13) is fixedly connected with an ignition device (14), one side of the incinerator (10) is fixedly connected with an exhaust port (11).

3. The apparatus for combined incineration of waste liquid and VOCs exhaust gas according to claim 1, characterized in that: The header tank (2) includes an outer frame (20), the outer frame (20) is fixedly connected with the incinerator (10), the inner portion of the outer frame (20) is provided with a cavity (21), the VOCS pipeline (30) sends VOCS waste gas into the cavity (21), the outer frame (20) is fixedly connected with a spray gun (22), the spray gun (22) communicates with the cavity (21).

4. The apparatus for combined incineration of waste liquid and VOCs exhaust gas according to claim 2, characterized in that: The lower surface of the VOCS pipeline (30) is fixedly connected with a VOCS fan (31), the VOCS fan (31) pumps waste gas of a plurality of collection points into the header tank (2), the lower end of the air pipeline (32) is fixedly connected with a gas pump (33), the upper surface of the combustion chamber (13) is fixedly connected with a waste liquid pipe (34). The lower surface of the VOCS pipeline (30) is fixedly connected with a VOCS fan (31), the VOCS fan (31) pumps waste gas of a plurality of collection points into the header tank (2), the lower end of the air pipeline (32) is fixedly connected with a gas pump (33), the upper surface of the combustion chamber (13) is fixedly connected with a waste liquid pipe (34).

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