White smoke removal system

Through the flue gas-air heat exchanger technology, the exhaust gas condenses water and is mixed with heated dry air to solve the white smoke problem in the flue gas treatment of the waste incinerator of the chemical plant, thereby improving the appearance of the flue gas and achieving environmental protection effects.

CN223464640UActive Publication Date: 2025-10-24BEIJING YANSHAN YULONG PEC
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Patent Information

Application Number
CN202422834044.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-20
Publication Date
2025-10-24
Estimated Expiration
2034-11-20

AI Technical Summary

Technical Problem

In the flue gas treatment of the waste incinerator of the chemical plant, the spray absorption method using the cyclone dust collector and the quenching tower results in the flue gas particulate matter not being able to stably meet the standards, and white smoke is emitted from the chimney.

Method used

The flue gas-air heat exchanger is used to eliminate water mist. The exhaust gas is cooled to condense moisture and the heat energy is used to heat dry air. After mixing, the flue gas moisture content and dew point temperature are reduced to prevent the formation of water mist.

Benefits of technology

Significantly improve the appearance of flue gas, eliminate white smoke, reduce investment costs, and ensure safe and environmentally friendly operation of the device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223464640U_ABST
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Abstract

The utility model discloses a flue gas white smoke removal system which comprises a treatment machine shell, a heat exchange mechanism is fixedly installed in the treatment machine shell, the heat exchange mechanism comprises two assembly plates and a length rod, the opposite sides of the two assembly plates are rotationally connected with threaded columns, the opposite ends of the two threaded columns are in threaded connection with the two ends of the length rod respectively, and the length rod is in threaded connection with the two ends of the length rod. A plurality of heat exchange plates are fixedly mounted on the surface of the length rod, a plurality of heat exchange grooves are formed in the surfaces of the heat exchange plates, a gas inlet mechanism is arranged on one side of the treatment machine shell, a mixed flue gas outlet pipeline is arranged on the other side of the treatment machine shell, and the gas inlet mechanism comprises a gas inlet base and a centrifugal fan body; one side of the top end of the air inlet base is fixedly connected with the bottom end of the centrifugal fan body. According to the flue gas white smoke removal system, the flue gas-air heat exchanger water mist elimination technology is adopted, the flue gas appearance is remarkably improved, and no water vapor exists visually; investment is saved, practicability is high, and the device is safe, environmentally friendly and normal in operation.
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Description

TECHNICAL FIELD

[0001] The utility model relates to atmospheric pollutant environmental management technical field, concretely is a flue gas white system. BACKGROUND

[0002] The main role of the chemical device waste incinerator is to treat the waste generated in the chemical production process, and the waste is reduced and harmlessly treated through high-temperature incineration. The design and operation of the chemical device waste incinerator consider multiple key factors to ensure safe and efficient treatment of waste. These furnaces usually have the following characteristics and functions: full-automatic control technology is adopted to monitor and control important parameters of the incineration process, avoiding secondary pollution caused by manual operation. The advanced process separates solid waste, water, concentrated liquid and water, reduces operating costs, realizes resource recycling, uses imported diesel burners, has stable performance, fast furnace temperature rise, oil saving, complete combustion, no secondary pollution, low noise. In addition, the chemical device waste incinerator is also suitable for waste gas treatment of spraying and drying equipment, and purification of harmful gases emitted in petrochemical, pharmaceutical and other industries. The inner wall of the device is lined with high-alumina refractory material, and oxygen supplement air holes are designed around the device, which can make the waste gas better contact with air. The device is ignited by an automatic ignition system, the waste gas conveying system is opened, the waste gas is burned through the combustion nozzle, and rapid oxidation reaction occurs, thereby realizing harmless treatment of waste.

[0003] However, the traditional chemical device waste incinerator has the following disadvantages:

[0004] The flue gas of the chemical device waste incinerator on the market uses a cyclone dust collector, a quenching tower and a spray absorption treatment, which cannot stably meet the standard of flue gas particulate matter and causes white smoke from the chimney. INVENTION CONTENTS

[0005] The utility model aims at providing a flue gas white system to solve the problem of the flue gas of the chemical device waste incinerator on the market using a cyclone dust collector, a quenching tower and a spray absorption treatment, which cannot stably meet the standard of flue gas particulate matter and causes white smoke from the chimney.

[0006] In order to achieve the above object, the utility model provides the following technical scheme: a flue gas white removal system, including processing machine shell, the inside fixed mounting of processing machine shell has heat exchange mechanism, the heat exchange mechanism includes two assembly boards and length pole, the opposite side of two the assembly board all rotatoryly connected with screw post, two the screw post opposite end respectively with length pole both ends screw connection, the surface fixed mounting of length pole has a plurality of heat exchange plates, the surface of a plurality of heat exchange plates all are equipped with a plurality of heat exchange grooves, one side of processing machine shell is equipped with air intake mechanism, the other side of processing machine shell is equipped with mixed flue gas outlet pipeline, the air intake mechanism includes air intake base and centrifugal fan body, the fixed connection of air intake base top one side and centrifugal fan body bottom, the fixed communication of centrifugal fan body air inlet has environment wind import pipeline, the fixed communication of centrifugal fan body air outlet has the air intake pipeline that extends to processing machine shell inside.

[0007] Preferably, the environment wind import pipeline is fixedly installed with two symmetrical filter screens inside, a limiting shell is fixedly installed on one side of the environment wind import pipeline, a lifting cylinder is fixedly installed inside the limiting shell, a cleaning frame is fixedly installed on the movable end of the lifting cylinder, cleaning brushes are fixedly installed on both sides of the cleaning frame, and the opposite sides of the two cleaning brushes are in contact with the opposite sides of the two filter screens, respectively. The centrifugal fan body extracts external environment gas through the import pipeline, the extracted gas is intercepted by the filter screens, the lifting cylinder performs telescopic movement, the lifting cylinder pushes the cleaning frame from the bottom, and the cleaning frame drives the cleaning brushes to contact the filter screens to clean the impurities adhered to the surface of the filter screens.

[0008] Preferably, a motor base is fixedly installed on the other side of the top end of the air intake base, a servo motor is fixedly installed on the top end of the motor base, a driving pulley is fixedly installed on the output end of the servo motor, a driven pulley is fixedly installed on the surface of the centrifugal fan body, and a belt body is transmissionally connected between the driving pulley and the driven pulley. After the servo motor is powered on, the servo motor drives the driving pulley to rotate, the driving pulley drives the driven pulley to rotate synchronously through the belt body, and the driven pulley drives the centrifugal fan body to perform air extraction movement.

[0009] Preferably, the top end of one side of the processing machine shell is fixedly communicated with an ambient air outlet pipeline, one end of the ambient air outlet pipeline away from the processing machine shell is fixedly communicated with the top end of one side of the mixed flue gas outlet pipeline, the bottom end of one side of the processing machine shell is fixedly communicated with a flue gas outlet pipeline, one end of the flue gas outlet pipeline away from the processing machine shell is fixedly communicated with the bottom end of one side of the mixed flue gas outlet pipeline, and a temperature sensor is fixedly installed on the surface of the mixed flue gas outlet pipeline.

[0010] Preferably, the top end of the processing machine shell is fixedly communicated with a flue gas injection pipeline, the bottom end of the processing machine shell is fixedly communicated with a condensed water discharge pipeline, condensed water generated in the processing machine shell is discharged to the outside through the condensed water discharge pipeline, and the flue gas needing to be treated is injected into the processing machine shell through the flue gas injection pipeline.

[0011] Preferably, the two sides of the connection between the heat exchange plates and the length rods are both paved with gaskets, and the sides away from each other of the two assembly plates are both fixedly connected with the processing machine shell.

[0012] Preferably, the two sides of the inner wall of the processing machine shell are both fixedly installed with a plurality of reinforcing plates, and one end of the reinforcing plates away from the processing machine shell is fixedly connected with the side of the heat exchange mechanism.

[0013] Compared with the prior art, the flue gas-air heat exchanger eliminates water mist, significantly improves the appearance of flue gas, and has no water vapor in vision; the investment is saved, the implementability is strong, and there is no adverse effect on the safety, environmental protection and normal operation of the device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a side view of the utility model;

[0015] Figure 2 It is a side view of the intake mechanism of the utility model;

[0016] Figure 3 It is a side view of the processing machine shell of the utility model;

[0017] Figure 4 It is a side view of the heat exchange mechanism of the utility model.

[0018] In the figure: 1, processing machine shell; 2, air inlet mechanism; 201, air inlet base; 202, motor base; 203, servo motor; 204, driving pulley; 205, belt body; 206, centrifugal fan body; 207, ambient air inlet pipeline; 208, air inlet pipeline; 209, filter screen; 210, limiting shell; 211, lifting cylinder; 212, cleaning brush; 213, cleaning frame; 214, driven pulley; 3, condensate water discharge pipeline; 4, flue gas outlet pipeline; 5, mixed flue gas outlet pipeline; 6, ambient air outlet pipeline; 7, temperature sensor; 8, flue gas injection pipeline; 9, heat exchange mechanism; 91, assembly plate; 92, length rod; 93, heat exchange plate; 94, gasket; 95, threaded column; 96, heat exchange groove; 10, reinforcing plate. 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.

[0020] Please refer to Figures 1-4 The utility model provides a flue gas white smoke removal system, including processing machine shell 1, the inside fixed mounting of processing machine shell 1 has heat exchange mechanism 9, heat exchange mechanism 9 includes two assembly plates 91 and length rod 92, two assembly plates 91 relative one side all rotatablely connected with threaded column 95, two threaded columns 95 relative one end respectively with the both ends of length rod 92 screw connection, the surface of length rod 92 is fixedly installed with a plurality of heat exchange plates 93, the surface of a plurality of heat exchange plates 93 all are equipped with a plurality of heat exchange grooves 96, one side of processing machine shell 1 is equipped with air inlet mechanism 2, the other side of processing machine shell 1 is equipped with mixed flue gas outlet pipeline 5, and air inlet mechanism 2 includes air inlet base 201 and centrifugal fan body 206, and air inlet base 201 top one side is fixedly connected with the bottom end of centrifugal fan body 206, and the air inlet of centrifugal fan body 206 is fixedly connected with ambient air inlet pipeline 207, and the air outlet of centrifugal fan body 206 is fixedly connected with air inlet pipeline 208 extending to the inside of processing machine shell 1.

[0021] The environment wind import pipeline 207 is internally fixedly installed with two symmetrically arranged filter screens 209, one side of the environment wind import pipeline 207 is fixedly installed with a limiting shell 210, the limiting shell 210 is internally fixedly installed with a lifting air cylinder 211, the movable end of the lifting air cylinder 211 is fixedly installed with a cleaning frame 213, both sides of the cleaning frame 213 are fixedly installed with cleaning brushes 212, the sides, away from each other, of the two cleaning brushes 212 are in contact connection with the sides, opposite to each other, of the two filter screens 209, the centrifugal fan body 206 extracts external environment gas through the environment wind import pipeline 207, the extracted gas is intercepted by the filter screens 209, the lifting air cylinder 211 performs telescopic movement, the lifting air cylinder 211 pushes the cleaning frame 213 from the bottom, the cleaning frame 213 drives the cleaning brushes 212 to contact the filter screens 209, and the adhered impurities on the surfaces of the filter screens 209 are cleaned.

[0022] The other side of the top end of the air inlet base 201 is fixedly installed with a motor base 202, the top end of the motor base 202 is fixedly installed with a servo motor 203, the output end of the servo motor 203 is fixedly installed with a driving pulley 204, the surface of the centrifugal fan body 206 is fixedly installed with a driven pulley 214, the driving pulley 204 and the driven pulley 214 are in transmission connection with a belt body 205, the servo motor 203 is started after being electrified, the servo motor 203 drives the driving pulley 204 to rotate, the driving pulley 204 drives the driven pulley 214 to synchronously rotate through the belt body 205, and the driven pulley 214 drives the centrifugal fan body 206 to perform air extraction movement.

[0023] The top end of one side of the processing machine shell 1 is fixedly communicated with an environment wind outlet pipeline 6, the end, away from the processing machine shell 1, of the environment wind outlet pipeline 6 is fixedly communicated with the top end of one side of the mixed flue gas outlet pipeline 5, the bottom end of one side of the processing machine shell 1 is fixedly communicated with a flue gas outlet pipeline 4, the end, away from the processing machine shell 1, of the flue gas outlet pipeline 4 is fixedly communicated with the bottom end of one side of the mixed flue gas outlet pipeline 5, and the surface of the mixed flue gas outlet pipeline 5 is fixedly installed with a temperature sensor 7; the environment wind injected into the processing machine shell 1 is discharged into the mixed flue gas outlet pipeline 5 through the environment wind outlet pipeline 6, and the flue gas injected into the processing machine shell 1 is discharged into the mixed flue gas outlet pipeline 5 through the flue gas outlet pipeline 4.

[0024] The top end of the processing machine shell 1 is fixedly communicated with a flue gas injection pipeline 8, the bottom end of the processing machine shell 1 is fixedly communicated with a condensed water discharge pipeline 3, the condensed water generated in the processing machine shell 1 is discharged to the outside through the condensed water discharge pipeline 3, and the flue gas needing to be treated is injected into the processing machine shell 1 through the flue gas injection pipeline 8.

[0025] The two sides of the connection positions of the heat exchange plates 93 and the length rods 92 are both paved with gaskets 94, the sides, away from each other, of the two assembly plates 91 are both fixedly connected with the processing machine shell 1, and the heat exchange mechanism 9 is installed on the processing machine shell 1 through the assembly plates 91.

[0026] The two sides of the inner wall of the processing case 1 are fixedly provided with a plurality of reinforcing plates 10, and the reinforcing plates 10 far away from the one end of the processing case 1 are fixedly connected with the side of the heat exchange mechanism 9 opposite to the processing case 1. The installation of the reinforcing plates 10 increases the contact area between the heat exchange mechanism 9 and the processing case 1, and improves the stability of the installation of the heat exchange mechanism 9.

[0027] In use, the tail gas is cooled by the heat exchange mechanism 9, and a large amount of water is condensed out, and at the same time, a large amount of heat energy is released when the water in the tail gas is condensed, which is used to heat the ambient dry air blown into the processing case 1 to increase the temperature, and then the heated dry air is introduced into the chimney end by the air pipe to mix with the flue gas after dehydration, so that the moisture content and relative humidity of the mixed flue gas are greatly reduced, thereby reducing the dew point temperature of the exhaust flue gas, so that the exhaust flue gas cannot reach the dew point temperature in a very short time after being discharged, and the water in the tail gas cannot be condensed into water mist, thereby achieving the purpose of reducing white smoke.

[0028] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A flue gas de-whitening system comprising a treatment housing (1), characterised in that: The inside of the processing machine shell (1) is fixedly provided with a heat exchange mechanism (9), the heat exchange mechanism (9) comprises two assembly plates (91) and a length rod (92), the opposite sides of the two assembly plates (91) are rotationally connected with threaded columns (95), the opposite ends of the two threaded columns (95) are threadedly connected with the two ends of the length rod (92), the surface of the length rod (92) is fixedly provided with a plurality of heat exchange plates (93), the surface of each of the plurality of heat exchange plates (93) is provided with a plurality of heat exchange grooves (96), one side of the processing machine shell (1) is provided with an air inlet mechanism (2), the other side of the processing machine shell (1) is provided with a mixed flue gas outlet pipeline (5), the air inlet mechanism (2) comprises an air inlet base (201) and a centrifugal fan body (206), one side of the top end of the air inlet base (201) is fixedly connected with the bottom end of the centrifugal fan body (206), the air inlet of the centrifugal fan body (206) is fixedly communicated with an ambient air inlet pipeline (207), the air outlet of the centrifugal fan body (206) is fixedly communicated with an air inlet pipeline (208) extending into the inside of the processing machine shell (1).

2. The flue gas de-whitening system of claim 1, wherein: The inside of the ambient air inlet pipeline (207) is fixedly provided with two symmetrical filter screens (209), one side of the ambient air inlet pipeline (207) is fixedly provided with a limiting shell (210), the inside of the limiting shell (210) is fixedly provided with a lifting air cylinder (211), the movable end of the lifting air cylinder (211) is fixedly provided with a cleaning frame (213), the two sides of the cleaning frame (213) are fixedly provided with cleaning brushes (212), and the sides, away from each other, of the two cleaning brushes (212) are in contact connection with the sides, facing each other, of the two filter screens (209).

3. The flue gas de-whitening system of claim 1, wherein: The other side of the top end of the air inlet base (201) is fixedly provided with a motor base (202), the top end of the motor base (202) is fixedly provided with a servo motor (203), the output end of the servo motor (203) is fixedly provided with a driving pulley (204), the surface of the centrifugal fan body (206) is fixedly provided with a driven pulley (214), and the driving pulley (204) and the driven pulley (214) are in transmission connection with a belt body (205).

4. The flue gas de-whitening system of claim 1, wherein: The top end of one side of the processing machine shell (1) is fixedly communicated with an ambient air outlet pipeline (6), the end, away from the processing machine shell (1), of the ambient air outlet pipeline (6) is fixedly communicated with the top end of one side of the mixed flue gas outlet pipeline (5), the bottom end of one side of the processing machine shell (1) is fixedly communicated with a flue gas outlet pipeline (4), the end, away from the processing machine shell (1), of the flue gas outlet pipeline (4) is fixedly communicated with the bottom end of one side of the mixed flue gas outlet pipeline (5), and the surface of the mixed flue gas outlet pipeline (5) is fixedly provided with a temperature sensor (7).

5. The flue gas decolorization system according to claim 1, characterized in that: The top end of the processing machine shell (1) is fixedly communicated with a flue gas injection pipeline (8), and the bottom end of the processing machine shell (1) is fixedly communicated with a condensed water discharge pipeline (3).

6. The flue gas de-whitening system of claim 1, wherein: Both sides of the connection between the heat exchange plates (93) and the length bar (92) are paved with gaskets (94), and one side of each of the two assembly plates (91) is fixedly connected with the processor shell (1).

7. The flue gas de-whitening system of claim 1, wherein: The inner wall of the processor shell (1) is fixedly installed with a plurality of reinforcing plates (10), and one end of each of the plurality of reinforcing plates (10) is fixedly connected with the side of the heat exchange mechanism (9) opposite to the processor shell (1).