阅读说明：本技术 一种炭黑用原料油voc吸收试验模拟装置 (Raw oil VOC absorption test analogue means for carbon black ) 是由 吴美红 王伟兴 毛卫良 于 2019-11-11 设计创作，主要内容包括：本发明揭示了一种炭黑用原料油VOC吸收试验模拟装置,包括：原料油加热系统,所述原料油加热系统包括搅拌装置、温度控制装置和用于装原料油且可封闭的反应器；气体输送吸收系统,所述气体输送吸收系统包括进气装置、气体输送装置和气体吸收装置。本发明中的炭黑用原料油VOC吸收试验模拟装置可模拟现场实际的加热与扰动；通过蒸汽控温盘管以及往蒸汽控温盘管内通入蒸汽能有效的防止轻组分晶体的析出,避免由此而引起的管道阻塞和操作风险；根据组分的差异可通过串连不同的吸收液来实现不同成分的吸收,装置调配比较灵活；保温套的可塑性,可根据反应器的实际大小情况进行调节；实施简单、操作方便,成本低廉。(The invention discloses a raw oil VOC absorption test simulation device for carbon black, which comprises: the raw oil heating system comprises a stirring device, a temperature control device and a reactor which is used for containing raw oil and can be closed; the gas conveying and absorbing system comprises a gas inlet device, a gas conveying device and a gas absorbing device. The raw oil VOC absorption test simulation device for carbon black can simulate actual heating and disturbance on site; the separation of light component crystals can be effectively prevented by the steam temperature control coil and the introduction of steam into the steam temperature control coil, so that the pipeline blockage and the operation risk caused by the separation of light component crystals are avoided; different components can be absorbed by connecting different absorption liquids in series according to the difference of the components, and the device is more flexible to allocate; the plasticity of the insulating sleeve can be adjusted according to the actual size condition of the reactor; simple implementation, convenient operation and low cost.)

1. The utility model provides a raw oil VOC absorption test analogue means for carbon black which characterized in that includes:

an air intake system for providing compressed air;

the system comprises a raw oil heating system, a temperature control device and a reactor, wherein the raw oil heating system is used for controlling the temperature of raw oil and comprises a stirring device, the temperature control device and the reactor which is used for containing the raw oil and can be closed, the stirring device is arranged on the reactor and is used for stirring the raw oil, the reactor is arranged in the temperature control device, and the temperature control device is used for controlling the temperature of the raw oil;

the gas conveying and absorbing system is used for conveying and absorbing VOC, and comprises a gas conveying device and a gas absorbing device, wherein the gas conveying device is connected with the inside of the reactor, the gas conveying device is used for conveying VOC coming out of the inside of the reactor, the gas absorbing device is connected with the gas conveying device, and the gas absorbing device is used for absorbing the VOC conveyed by the gas conveying device.

2. The raw material oil VOC absorption test simulation device for carbon black of claim 1, wherein the stirring device comprises a stirring blade arranged in the reactor, and a motor for driving the stirring blade to rotate is arranged at the top of the reactor.

3. The apparatus for simulating a VOC absorption test of feedstock oil for carbon black according to claim 1, wherein the temperature control means includes a heating jacket and a first temperature controller electrically connected to each other, the reactor is placed in the heating jacket, and the first temperature controller controls the temperature inside the heating jacket.

4. The device for simulating the VOC absorption test of raw oil for carbon black according to claim 3, wherein a first heat-preserving sleeve is arranged on the top of the heating sleeve.

5. The apparatus for simulating a VOC absorption test of a feedstock as claimed in claim 3, wherein said reactor is provided with a first temperature measuring thermal resistor, said first temperature measuring thermal resistor is connected to said first temperature controller, and said first temperature measuring thermal resistor is used for measuring the temperature of the feedstock in said reactor and transmitting it to said first temperature controller.

6. The device for simulating the VOC absorption test of raw oil for carbon black according to claim 1, wherein the air intake system comprises an air intake pipe, a hose, a pressure reducing valve, a pressure gauge and a rotameter, the rotameter is connected with the pressure reducing valve and the pressure reducing valve is connected with an air source through hoses, the hose between the rotameter and the pressure reducing valve is provided with a pressure gauge, an air inlet of the air intake pipe is connected with the rotameter, and an air outlet of the air intake pipe extends into the reactor and is positioned above the raw oil.

7. The raw oil VOC absorption test simulation device for carbon black according to claim 1, wherein the gas conveying device comprises a gas conveying pipeline, a steam temperature control coil and a second temperature controller, the gas inlet of the gas conveying pipeline extends into the reactor and is located above the raw oil, the gas outlet of the gas conveying pipeline is connected with the gas collecting device, the steam temperature control coil surrounds the outside of the gas conveying pipeline and is in a spiral arrangement, the gas inlet and the gas outlet of the steam temperature control coil are both connected with the steam generator, the steam temperature control coil is provided with an electromagnetic valve, the electromagnetic valve is controlled by the second temperature controller, the gas conveying pipeline is provided with a second temperature measuring thermal resistor, and the second temperature measuring thermal resistor is controlled by the second temperature controller.

8. The raw oil VOC absorption test simulation device for carbon black according to claim 7, wherein a second insulating sleeve is sleeved on the steam temperature control coil.

9. The device for simulating the VOC absorption test of raw oil for carbon black according to claim 7, wherein a ball valve is arranged on the steam temperature control coil.

10. The raw oil VOC absorption test simulation apparatus for carbon black according to claim 7, wherein said gas absorption apparatus comprises an absorption bottle, said absorption bottle is filled with an absorption liquid, and said gas transmission pipeline extends into said absorption liquid.

Technical Field

The invention belongs to the technical field of VOC absorption, and particularly relates to a raw oil VOC absorption test simulation device for carbon black.

Background

The raw materials used for carbon black production are mainly coal tar series raw materials and petroleum series raw materials, and therefore, the oil products contain a large amount of VOC (volatile organic compounds). With the increasing environmental protection requirements, the discharge requirements of VOC are more and more strict, and VOC is inevitably generated in the loading, unloading and using processes of the raw oil used for carbon black, which causes pollution to the environment. Long-term inhalation of VOC can cause chronic poisoning, damage to liver and nervous system, general weakness, sleepiness, skin pruritus, endocrine disturbance, damage to blood system, etc. Therefore, the treatment of VOC is urgent, and in the treatment process, the raw oil for carbon black contains more light component substances, especially naphthalene, which easily causes pipeline blockage, so that certain potential safety hazard exists, and the direct reason that the direct combustion has higher risk in production is also existed.

Therefore, in order to solve the above-mentioned problems, it is necessary to provide a raw oil VOC absorption test simulator for carbon black.

Disclosure of Invention

In view of the above, the present invention provides a raw oil VOC absorption test simulator for carbon black, which is designed to meet the requirement of absorbing VOC and preventing the blockage of the pipeline.

In order to achieve the above object, an embodiment of the present invention provides the following technical solutions:

an air intake system for providing compressed air;

the system comprises a raw oil heating system, a temperature control device and a reactor, wherein the raw oil heating system is used for controlling the temperature of raw oil and comprises a stirring device, the temperature control device and the reactor which is used for containing the raw oil and can be closed, the stirring device is arranged on the reactor and is used for stirring the raw oil, the reactor is arranged in the temperature control device, and the temperature control device is used for controlling the temperature of the raw oil;

the gas conveying and absorbing system is used for conveying and absorbing VOC, and comprises a gas conveying device and a gas absorbing device, wherein the gas conveying device is connected with the inside of the reactor, the gas conveying device is used for conveying VOC coming out of the inside of the reactor, the gas absorbing device is connected with the gas conveying device, and the gas absorbing device is used for absorbing the VOC conveyed by the gas conveying device.

In one embodiment, the stirring device comprises a stirring blade arranged in the reactor, and a motor for driving the stirring blade to rotate is arranged at the top of the reactor.

In one embodiment, the temperature control device comprises a heating jacket in which the reactor is placed and a first temperature controller that controls the temperature inside the heating jacket, which are electrically connected.

In one embodiment, the steam temperature control coil is sleeved with a second heat insulation sleeve.

In one embodiment, the reactor is provided with a first temperature measuring thermal resistor, the first temperature measuring thermal resistor is connected with the first temperature controller, and the first temperature measuring thermal resistor is used for measuring the temperature of the raw oil in the reactor and transmitting the temperature to the first temperature controller.

In one embodiment, the air inlet system comprises an air inlet pipe, a hose, a pressure reducing valve, a pressure gauge and a rotor flow meter, the rotor flow meter is connected with the pressure reducing valve and the pressure reducing valve is connected with an air source through the hose, the pressure gauge is arranged on the hose between the rotor flow meter and the pressure reducing valve, an air inlet of the air inlet pipe is connected with the rotor flow meter, and an air outlet of the air inlet pipe extends into the reactor and is located above raw oil.

In an embodiment, gas conveying device includes gas transmission pipeline, steam temperature control coil and second temperature controller, gas transmission pipeline's air inlet stretches into in the reactor and be located the top of raw oil, gas outlet and gas collection device connects, steam temperature control coil centers on the gas transmission pipeline outside is spiral setting, steam temperature control coil's air inlet and gas outlet all are connected with steam generator, be equipped with the solenoid valve on the steam temperature control coil, the solenoid valve passes through second temperature controller control, be equipped with second temperature measurement thermal resistance on the gas transmission pipeline, second temperature measurement thermal resistance passes through second temperature controller control.

In one embodiment, the steam temperature control coil is externally sleeved with a second heat insulation sleeve.

In one embodiment, a ball valve is arranged on the steam temperature control coil.

In one embodiment, the gas absorption device comprises an absorption bottle, absorption liquid is filled in the absorption bottle, and the gas transmission pipeline extends into the absorption liquid.

Compared with the prior art, the invention has the following advantages:

the raw oil VOC absorption test simulation device for carbon black can simulate actual heating and disturbance on site; the separation of light component crystals can be effectively prevented by the steam temperature control coil and the introduction of steam into the steam temperature control coil, so that the pipeline blockage and the operation risk caused by the separation of light component crystals are avoided; different components can be absorbed by connecting different absorption liquids in series according to the difference of the components, and the device is more flexible to allocate; the plasticity of the insulating sleeve can be adjusted according to the actual size condition of the reactor; simple implementation, convenient operation and low cost.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a raw oil VOC absorption test simulator for carbon black according to an embodiment of the present application.

Detailed Description

The present invention will be described in detail below with reference to embodiments shown in the drawings. The embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to the embodiments are included in the scope of the present invention.

Referring to fig. 1, a raw oil VOC absorption test simulation apparatus for carbon black in an embodiment of the present invention includes:

an air intake system for providing compressed air;

the raw oil heating system is used for controlling the temperature of raw oil, and comprises a stirring device, a temperature control device and a reactor 10 which is used for containing raw oil and can be closed, wherein the stirring device is arranged on the reactor 10 and is used for stirring the raw oil in the reactor 10, the reactor 10 is arranged in the temperature control device, and the temperature control device is used for controlling the temperature of the raw oil in the reactor 10;

a gas transport absorption system for carrying and absorbing VOC, gas transport absorption system includes gas conveyor and gas absorbing device, gas conveyor and reactor 10 internal connection, gas conveyor is used for carrying the VOC that comes out from reactor 10 in, and gas absorbing device is connected with gas conveyor, and gas absorbing device is used for absorbing the VOC that gas conveyor transported and come.

Specifically, the air inlet system comprises an air inlet pipe 41, a hose 42, a pressure reducing valve 43, a pressure gauge 44 and a rotameter 45, the rotameter 45 is connected with the pressure reducing valve 43, the pressure reducing valve 43 is connected with an air source 40 through the hose 42, the pressure gauge 44 is arranged on the hose 42 between the rotameter 45 and the pressure reducing valve 43, an air inlet of the air inlet pipe 41 is connected with the rotameter 45, an air outlet extends into the reactor 10 and is positioned above raw oil, an air inlet of the air inlet pipe 41 is connected with an air outlet of the rotameter 45, the air source 40 generates compressed air entering the reactor 10, and the flow of the compressed air is controlled through the pressure reducing valve 43 and the.

The stirring device comprises a stirring blade 21 arranged in the reactor 10, the top of the reactor 10 is provided with a motor 22 for driving the stirring blade 21 to rotate, and the motor 22 can adjust different rotating speeds and directions so as to simulate the disturbance generated when the raw oil is added or extracted from the reactor 10 on site.

The temperature control device comprises a heating sleeve 31 and a first temperature controller 32 which are electrically connected, the reactor 10 is placed in the heating sleeve 31, the first temperature controller 32 controls the temperature inside the heating sleeve 31, the first temperature controller 32 can realize temperature regulation control at 60-150 ℃, so that temperature control matched with actual production can be realized according to different types of raw oil for carbon black, the volatilization condition of VOC is ensured to be consistent with actual conditions, a first heat preservation sleeve 33 is arranged at the top of the heating sleeve 32, the plasticity of the first heat preservation sleeve 33 is strong, the temperature can be regulated according to the actual size of the reactor 10, and the temperature and the uniformity of the raw oil in the reactor 10 are kept through the first heat preservation sleeve 33.

Further, a first temperature measuring thermal resistor 34 is arranged on the reactor 10, the first temperature measuring thermal resistor 34 is connected with the first temperature controller 32, and the first temperature measuring thermal resistor 34 is used for measuring the temperature of the raw oil in the reactor 10 and transmitting the temperature to the first temperature controller 32.

In this embodiment, the gas conveying device includes a gas conveying pipe 51, a steam temperature control coil 52 and a second temperature controller 53, the gas inlet of the gas conveying pipe 51 extends into the reactor 10 and is located above the raw material oil, the gas outlet is connected to the gas collecting device, the steam temperature control coil 52 is spirally arranged around the outside of the gas conveying pipe 51, the gas temperature in the gas conveying pipe 51 is controlled by the steam temperature control coil 52, the gas inlet and the gas outlet of the steam temperature control coil 52 are both connected to the steam generator, the steam generator can be boiler steam matched with carbon black production, steam is introduced into the steam temperature control coil 52 through the gas inlet of the steam temperature control coil 52, water is discharged outside through the gas outlet of the steam temperature control coil 52, the steam temperature control coil 52 is provided with a solenoid valve 54 and a ball valve 55, the solenoid valve 54 is controlled to be opened and closed by the second temperature controller 53, the gas conveying pipe 51 is, the second temperature measuring thermal resistor 56 is controlled by the second temperature controller 53, and the second temperature measuring thermal resistor 56 is used for detecting the temperature of the gas in the gas transmission pipeline 51 and transmitting the temperature to the second temperature controller 53.

Further, a second insulating sleeve 57 is sleeved on the steam temperature control coil 52, specifically, as shown in fig. 1, the steam temperature control coil 52 includes a spiral pipe section 521 and a straight pipe section 522 which are connected, the spiral pipe section 521 is located at the outer side of the gas transmission pipeline 51, the straight pipe section 522 has two sections, one section of the heat insulation sleeve 57 is connected with one end of the spiral pipe section 521 and the air inlet of the steam temperature control coil 52, the air inlet of the steam temperature control coil 52 is used for introducing steam, the other section of the heat insulation sleeve is connected with the other end of the spiral pipe section 521 and the air outlet of the steam temperature control coil 52, the air outlet of the steam temperature control coil 52 is used for flowing out water after the steam is cooled, the straight pipe sections 522 at the two ends of the spiral pipe section 521 are inserted into the spiral pipe section 521 and then penetrate out of the spiral gap of the spiral pipe section 521, and the second heat insulation sleeve 57 is wrapped on the outermost side of the whole spiral pipe section 521 and the outermost sides of the two straight pipe sections 522.

In this embodiment, the gas absorption device includes sealed absorption bottle 61, absorption liquid is equipped with in the absorption bottle 61, the gas outlet of gas transmission pipeline 51 stretches into in the absorption liquid, absorption bottle 61 is equipped with a plurality ofly, use two here as an example, two absorption bottles 61 are established ties mutually through connecting pipe 62, the air inlet of connecting pipe 62 stretches into the top in the first absorption bottle 61, the gas outlet of connecting pipe 62 stretches into in the absorption liquid of the bottom in the second absorption bottle 61, according to the component difference, different absorption liquids have been placed in every absorption bottle 61, thereby realize the absorption of different compositions.

The joints of the gas inlet pipe 41 and the gas transmission pipeline 51 with the reactor 10 are sealed by rubber plugs.

Selecting coal tar as experimental oil, putting the experimental oil into a reactor 10, controlling a heating sleeve 31 through a first temperature controller 32 to heat the coal tar in the reactor 10, and detecting the temperature in real time through a first temperature measuring thermal resistor 34 to keep the temperature of the coal tar at 80 ℃;

opening the air source 40, leading the compressed air generated by the air source 40 into the reactor 10, controlling the flow rate of the compressed air generated by the air source 40 at 20mL/min by adjusting the pressure reducing valve 43 and the rotor flow meter 45, and leading the gas with VOC to enter two absorption bottles for absorption after passing through the gas transmission pipeline 51;

in order to ensure that the temperature of the gas sucked out to the transmission process is constant, steam is introduced into the steam temperature control coil 52, the steam temperature control coil 52 is manually opened and closed through a ball valve 55, the second temperature measuring thermal resistor 56 detects the temperature of the gas in the gas transmission pipeline 51 in real time and transmits the temperature to the second temperature controller 53, and the electromagnetic valve 54 is adjusted through the second temperature controller 53, so that the temperature of the gas in the gas transmission pipeline 51 is kept at 85 ℃.

According to the technical scheme, the invention has the following beneficial effects:

the raw oil VOC absorption test simulation device for carbon black can simulate actual heating and disturbance on site; the separation of light component crystals can be effectively prevented by the steam temperature control coil and the introduction of steam into the steam temperature control coil, so that the pipeline blockage and the operation risk caused by the separation of light component crystals are avoided; different components can be absorbed by connecting different absorption liquids in series according to the difference of the components, and the device is more flexible to allocate; the plasticity of the insulating sleeve can be adjusted according to the actual size condition of the reactor; simple implementation, convenient operation and low cost.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.