VOCs (volatile organic compounds) collecting and treating device for automatically cleaning oil pipe

Abstract

The utility model relates to the technical field of oil pipe cleaning waste gas collection, in particular to an oil pipe automatic cleaning VOCs collection treatment device which comprises an oil gas collection device, gas conveying pipelines are arranged on the two sides of the oil gas collection device, the other ends of the gas conveying pipelines are connected with a spraying tower, and a cooling tower is arranged on the right side of the spraying tower. The other end of the activated carbon adsorption box is provided with a sound insulation device, and the right side of the sound insulation device is provided with a chimney. According to the VOCs waste gas treatment device, the spraying tower, the cooling tower and the activated carbon adsorption box are arranged, VOCs waste gas is subjected to cooling treatment in a multiple-cooling mode, the remaining VOCs waste gas is effectively treated and collected in an activated carbon adsorption mode, and the VOCs waste gas can be effectively treated and collected, so that the harm of the VOCs waste gas to the environment and human bodies is reduced; in addition, the treated VOCs waste gas is detected by a VOCs gas detection instrument before being discharged, so that the VOCs waste gas is conveniently discharged after being collected.

Description

TECHNICAL FIELD

[0001] The utility model relates to oil pipe cleaning waste gas collection technical field especially relates to a kind of oil pipe automatic cleaning VOCs collection and processing device. BACKGROUND

[0002] According to the definition of World Health Organization, VOCs generally refers to volatile organic compounds, the boiling point 50~260 ℃ various organic compounds, most VOCs have unpleasant special smell, and have toxicity, irritancy, teratogenicity and carcinogenic effect, especially benzene, toluene and formaldehyde etc. It can cause great harm to human health.VOCs is the important precursor of urban haze and photochemical smog, mainly from coal chemical industry, petroleum chemical industry, fuel paint manufacturing, solvent manufacturing and use process, VOCs emission can cause serious deterioration of surrounding air environment, make the daily life of residents around factory seriously disturbed, lead to human health and ecological environment are harmed, VOCs is also generated in the process of oil pipe cleaning, and it needs to be collected and treated, VOCs contains corrosive gas, and pipeline corrosion phenomenon can occur, leading to gas overflow, causing damage to the surrounding environment, affecting the treatment effect.

[0003] Therefore, it is necessary to propose a kind of technology to improve the above defects. INVENTION CONTENTS

[0004] In view of the above deficiencies and defects of the prior art oil pipe waste gas cleaning device, in order to achieve the above purpose, the utility model provides an oil pipe automatic cleaning VOCs collection and processing device, comprising:

[0005] Oil and gas collection device, the oil and gas collection device includes cleaning equipment, gas collection equipment, the rear side of the oil and gas collection device is provided with sedimentation tank, the sedimentation tank is provided with circulating water pump between the cleaning equipment, the both sides of the oil and gas collection device are provided with gas pipeline, the other end of the gas pipeline is connected with spray tower, the right side of the spray tower is provided with cooling tower, the right side of the cooling tower is provided with activated carbon adsorption box, the other end of the activated carbon adsorption box is provided with sound insulation device, the right side of the sound insulation device is provided with chimney.

[0006] As a preferred technical solution, the spray tower is provided with cooling device and hydrogen sulfide absorption device inside, the cooling device is provided with spray water inside, and the cooling device is used in circulation.

[0007] As a preferred technical solution, the cooling tower is provided with heat exchanger and evaporator inside, the evaporator is arranged below the right side of the heat exchanger, and the heat exchanger and the evaporator are connected by pipeline.

[0008] As a preferred technical scheme, the bottom of the chimney is further provided with an explosion-proof motor and an exhaust fan, and the explosion-proof motor drives the exhaust fan to rotate to discharge the purified flue gas.

[0009] As a preferred technical scheme, the detection device further comprises a gas detection instrument, a hydrogen sulfide detection instrument, a negative pressure detection instrument and a VOCs gas detection instrument, the gas detection instrument is arranged at the front end of the gas collecting device, the hydrogen sulfide detection instrument is arranged between the gas collecting device and the spray tower, the negative pressure detection instrument is arranged at the front end of the air inlet of the spray tower and the front end of the cooling tower, and the VOCs gas detection instrument is arranged at the front end of the chimney.

[0010] As a preferred technical scheme, the spray tower, the cooling tower, the activated carbon adsorption box and the chimney are connected through pipelines.

[0011] As a preferred technical scheme, the control system controls the cleaning device and the detection device.

[0012] As described above, the oil pipe automatic cleaning VOCs collecting and processing device has the following beneficial effects:

[0013] The spray tower, the cooling tower and the activated carbon adsorption box are arranged, the VOCs waste gas is treated by multiple cooling, the residual VOCs waste gas is effectively treated and collected by the activated carbon adsorption, the VOCs gas can be effectively treated and collected, the harm of the VOCs waste gas to the environment and the human body is reduced, and the treated VOCs waste gas is detected by the VOCs gas detection instrument before being discharged, so that the VOCs waste gas is discharged after being collected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 The figure shows the external structure of the utility model.

[0015] 1, oil gas collecting device;101, cleaning device;102, gas collecting device;2, sedimentation tank;3, circulating water pump;4, spray tower;401, cooling device;402, hydrogen sulfide absorption device;5, cooling tower;501, heat exchanger;502, evaporator;6, activated carbon adsorption box;7, sound insulation device;8, chimney;801, explosion-proof motor;802, exhaust fan;9, detection device;901, gas detection instrument;902, hydrogen sulfide detection instrument;903, negative pressure detection instrument;904, VOCs gas detection instrument. DETAILED DESCRIPTION

[0016] Those skilled in the art will readily understand from the disclosure herein the other advantages and functions of the present application. The present application can be put into practice in various ways and embodiments, and the various details of the application can be modified in form and detail without departing from the spirit of the application.

[0017] It should be noted that the diagrams provided in the embodiments only schematically illustrate the basic concepts of the present application, and the diagrams only show the components related to the present application, rather than the number, shape and size of the components in actual implementation. The shapes, number, positional relationship and proportion of the components in actual implementation can be changed at will under the premise of realizing the technical solutions of the present application, and the component layout form can also be more complex.

[0018] Embodiment

[0019] The present embodiment provides an oil pipe automatic cleaning VOCs collection and treatment device, which is described in detail with reference to the accompanying drawings Figure 1The device comprises an oil and gas collecting device 1, the oil and gas collecting device 1 comprises a cleaning equipment 101 and a gas collecting equipment 102, the front end of the oil and gas collecting device 1 is provided with a sedimentation tank 2, a circulating water pump 3 is arranged between the cleaning equipment 101 and the sedimentation tank 2, one side of the oil and gas collecting device 1 is connected with the gas collecting equipment 102, and the other end is connected with a spray tower 4, the inside of the spray tower 4 is provided with a cooling and cooling device 401 and a hydrogen sulfide absorption device 402, the inside of the cooling and cooling device 401 is provided with spray water, the spray water is recycled and used for cooling treatment of waste gas, and the hydrogen sulfide absorption device 402 is arranged at the edge of the spray tower 4; a cooling tower 5 is further arranged at the right side of the spray tower 4, a pipeline is arranged between the spray tower 4 and the cooling tower 5, the inside of the spray tower 5 is provided with a heat exchanger 501 and an evaporator 502, the evaporator 502 is arranged below the right side of the heat exchanger 501, the heat exchanger 501 is used for heat exchange of waste gas, and the temperature of the waste gas is reduced; the temperature of the waste gas is further reduced by the evaporator 502, and most of the water in the waste gas is removed. An activated carbon adsorption box 6 is arranged at the right side of the cooling tower 5, the activated carbon adsorption box 6 is connected with the cooling tower 5 through a pipeline, and the activated carbon adsorption box 6 can adsorb most of the compounds in the waste gas. A sound insulation box 7 is arranged at the right side of the activated carbon adsorption box 6, the sound insulation box 7 is used for sound insulation of a fan; a chimney 8 is further arranged at the right side of the sound insulation box 7, an explosion-proof motor 801 and an exhaust fan 802 are arranged at the bottom of the chimney 8, the explosion-proof motor 801 drives the exhaust fan 802 to rotate, the purified waste gas is discharged into the air through the chimney 8, and in addition, the device is further provided with detection devices 9, the detection devices 9 all have explosion-proof functions, the detection devices 9 comprise a gas detection instrument 901, a hydrogen sulfide detection instrument 902, a negative pressure detection instrument 903 and a VOCs gas detection instrument 904, the gas detection instrument 901 is arranged at the front end of the gas collecting equipment 102 and is used for realizing gas detection and alarm of oxygen, combustible gas and toxic gas (including H2S, CO, SO2 and HCN); the hydrogen sulfide detection instrument 902 is arranged between the gas collecting equipment 102 and the spray tower 4 and is used for detecting the concentration of hydrogen sulfide in the pipeline; the negative pressure detection instrument 903 is provided with two groups, one group is arranged at the front end of the spray tower 4, and the other group is arranged between the cooling tower 5 and the spray tower 4, preferably, in the embodiment, the negative pressure detection instrument 903 adopts an online differential pressure transmitter; the VOCs gas detection instrument 904 is arranged at the bottom of the chimney 8 and is used for detecting the treatment condition of the whole waste gas. A control system is further arranged in the device, the control system is used for controlling the overall operation of the device, is responsible for monitoring of the detection devices and timely alarm feedback.

[0020] Refer to the drawings Figure 1The device, when in use, after the cleaning equipment is cleaned, the VCOs waste gas enters the spray tower 4 through the gas collecting equipment 102 through the gas pipeline, the cooling device 401 in the spray tower 4 utilizes spray water to cool the waste gas, and the spray water is recycled, the hydrogen sulfide absorption device 402 absorbs hydrogen sulfide gas in the waste gas, the waste gas enters the cooling tower 5, the cooling tower 5 adopts the freeze drying principle to cool and dehumidify the waste gas. The waste gas is first heat exchanged in the heat exchanger 501, the temperature of the waste gas is reduced, and then enters the evaporator 502, at this time, the waste gas is cooled to 0~-5℃, at this temperature, the water vapor in the waste gas changes into liquid and is discharged, the remaining waste gas is adsorbed after passing through the activated carbon adsorption box 6, a large amount of alkanes, chlorinated hydrocarbons and other compounds in the waste gas are adsorbed, the waste gas passes through the sound insulation device 7, the VOCs gas detector 904 detects the VOCs concentration in the waste gas, and feeds back to the control system, and finally utilizes the explosion-proof motor 801 and the exhaust fan 802 to discharge from the chimney.

[0021] In summary, the utility model discloses a spray tower, cooling tower and activated carbon adsorption box are set up, utilize the mode of multiple cooling to cool and handle VOCs waste gas, and utilize the activated carbon adsorption mode, and the residual VOCs waste gas is handled and collected effectively, can effectively handle and collect VOCs gas, to reduce the harm that VOCs waste gas causes to the environment and human body, in addition, the VOCs gas detection instrument is detected to the VOCs waste gas after treatment before discharging, so that the VOCs waste gas is discharged after collection.

[0022] The above embodiments only exemplarily illustrate the principles and effects of the present application, and are not used to limit the present application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the present application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought disclosed by the present application should be covered by the claims of the present application.

Claims

1. A tubing automatic cleaning VOCs collection and disposal apparatus comprising a hydrocarbon gas collection apparatus, characterized by, The oil and gas collecting device includes a cleaning device and a gas collecting device, the front end of the oil and gas collecting device is provided with a sedimentation tank, a circulating water pump is arranged between the sedimentation tank and the cleaning device, gas pipelines are arranged on both sides of the oil and gas collecting device, the other end of the gas pipeline is connected with a spray tower, a cooling tower is arranged on the right side of the spray tower, an activated carbon adsorption box is arranged on the right side of the cooling tower, the other end of the activated carbon adsorption box is provided with a sound insulation device, and a chimney is arranged on the right side of the sound insulation device.

2. The automatic tubing clean-out VOCs collection and disposal device of claim 1, wherein, The spray tower is internally provided with a cooling device and a hydrogen sulfide absorption device, the cooling device is internally provided with spray water, and the spray water is used for circulating cooling.

3. The automatic tubing clean-out VOCs collection and disposal device of claim 1, wherein, The cooling tower is internally provided with a heat exchanger and an evaporator, the evaporator is arranged below the right side of the heat exchanger, and the heat exchanger and the evaporator are connected through pipelines.

4. The automatic tubing clean-out VOCs collection and disposal device of claim 1, wherein, The bottom of the chimney is also provided with an explosion-proof motor and an exhaust fan, the explosion-proof motor drives the exhaust fan to rotate to discharge the purified flue gas.

5. The automatic tubing clean-out VOCs collection and disposal device of claim 1, wherein, The detection device includes gas detection instruments, hydrogen sulfide detection instruments, negative pressure detection instruments and VOCs gas detection instruments, the gas detection instruments are arranged at the front end of the gas collecting device, the hydrogen sulfide detection instruments are arranged between the gas collecting device and the spray tower, the negative pressure detection instruments are arranged at the front end of the gas inlet of the spray tower and the front end of the cooling tower, and the VOCs gas detection instruments are arranged at the front end of the chimney.

6. The automatic tubing cleanout VOCs collection and disposal device of claim 1, wherein, The spray tower and the cooling tower, the cooling tower and the activated carbon adsorption box, the activated carbon adsorption box and the sound insulation device, and the sound insulation device and the chimney are connected through pipelines.

7. The automatic tubing cleanout VOCs collection and disposal device of claim 1, wherein, The control system controls the cleaning device and the detection device.

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