CN213875437U

CN213875437U - Heavy oil element content detection device

Info

Publication number: CN213875437U
Application number: CN202022625315.9U
Authority: CN
Inventors: 姚爱海; 韩勇强; 王海洲; 李必胜; 赵凯月; 王学峰; 董群升
Original assignee: Dongying Weilian Chemical Co ltd
Current assignee: Dongying Weilian Chemical Co ltd
Priority date: 2020-11-13
Filing date: 2020-11-13
Publication date: 2021-08-03
Anticipated expiration: 2030-11-13

Abstract

The utility model relates to a detect heavy oil element content device. The technical scheme is as follows: the sample tank is filled with diluted heavy oil and is connected to the inlet end of the atomizing chamber through a peristaltic pump, the inlet end of the atomizing chamber is communicated with an inert gas tank through a pipeline, the upper outlet of the atomizing chamber is connected with the lower end of a plasma torch pipe through a heavy oil injection pipe, the lower end of the plasma torch pipe is communicated with the inert gas tank through a pipeline, the middle of the plasma torch pipe is connected with a high-frequency generator, a plasma torch formed at the top of the plasma torch pipe, a spectrometer is installed beside the plasma torch pipe and is connected to a microprocessing controller through a data line, and the microprocessing controller is connected to a computer through a data line. The beneficial effects are that: the utility model has the characteristics of temperature height, electron density are high, inert atmosphere etc, have that the detection limit is low, linear range is wide, ionization and chemical interference are few, the high analytical performance of degree of accuracy and precision.

Description

Heavy oil element content detection device

Technical Field

The utility model relates to a petroleum industry check out test set, in particular to detect heavy oil element content device.

Background

The heavy oil is prepared by blending the raw materials of atmospheric oil, vacuum residuum, cracked diesel oil, catalytic diesel oil and the like in the crude oil processing process, and the heavy oil has the specific gravity of over 0.91, high viscosity and high molecular weight, contains a large amount of nitrogen, sulfur, wax and metal, and basically does not flow. In the petroleum refining process, heavy oil needs to be detected, the detection items are many, and generally include kinematic viscosity, flash point, density, moisture, sulfur content, ash content and the like, and the detection is generally completed by dilution, but the problems are that: the existing detection cost is high, the cost is difficult to reduce, and the detection precision is not high.

Therefore, a new heavy oil detection device needs to be designed and developed to complete the detection of the element content of the heavy oil.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a detect heavy oil element content device to the above-mentioned defect that prior art exists, detect with low costs, and detect the precision and improve by a wide margin.

The utility model provides a detect heavy oil element content device, its technical scheme is: comprises a sample tank (1), a peristaltic pump (2), an inert gas tank (3), an atomizing chamber (5), a heavy oil injection pipe (6), a plasma torch pipe (7), a high-frequency generator (8), a spectrometer (12), a micro-processing controller (13) and a computer (14), wherein diluted heavy oil is filled in the sample tank (1), the sample tank (1) is connected to the inlet end of the atomizing chamber (5) through the peristaltic pump (2), the inlet end of the atomizing chamber (5) is also communicated with the inert gas tank (3) through a pipeline, the upper outlet of the atomizing chamber (5) is connected with the lower end of the plasma torch pipe (7) through the heavy oil injection pipe (6), the lower end of the plasma torch pipe (7) is also communicated with the inert gas tank (3) through a pipeline, the middle part of the plasma torch pipe (7) is connected with the high-frequency generator (8), and a plasma torch (9) is formed at the top of the plasma torch pipe (7), a spectrometer (12) is arranged beside the plasma torch tube (7), the spectrometer (12) is connected to a micro-processing controller (13) through a data line, and the micro-processing controller (13) is connected to a computer (14) through a data line.

Preferably, an optical lens (10) is arranged at the front end of the spectrometer (12), and the optical lens (10) is arranged on a lens bracket (11).

Preferably, the front end of the atomization chamber (5) is provided with an atomizer (4) for atomizing the diluted heavy oil by inert gas, and the lower part of the right side of the atomization chamber (5) is provided with a waste liquid outlet (15).

Preferably, the inert gas tank (3) contains argon gas.

Preferably, the peristaltic pump (2) is a screw pump.

Preferably, one side of the heavy oil injection pipe (6) is connected to the inert gas tank (3) through a pipeline.

The utility model has the advantages that: heavy oil after diluting is sent into atomizer chamber (5) through peristaltic pump (2), and simultaneously, inert gas in nature gas jar (3) is sent into the atomizer chamber and is atomized heavy oil, and the heavy oil after atomizing passes through the heavy oil injection pipe and spouts plasma torch pipe to under inert gas's protection, under high frequency generator's effect, heavy oil forms plasma torch, and the spectrum appearance is sent to rethread optical lens, thereby has realized the detection of heavy oil element content, the utility model has the characteristics of temperature is high, electron density is high, inert atmosphere, have that the detection limit is low, linear range is wide, ionization and chemical interference are few, the degree of accuracy and high precision analytical performance.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the upper diagram: the device comprises a sample tank 1, a peristaltic pump 2, an inert gas tank 3, an atomizer 4, an atomizing chamber 5, a heavy oil injection pipe 6, a plasma torch pipe 7, a high-frequency generator 8, a plasma torch 9, an optical lens 10, a lens support 11, a spectrometer 12, a micro-processing controller 13, a computer 14 and a waste liquid outlet 15.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1, referring to fig. 1, the present invention provides an apparatus for detecting heavy oil elemental content, including a sample tank 1, a peristaltic pump 2, an inert gas tank 3, an atomizing chamber 5, a heavy oil injection pipe 6, a plasma torch pipe 7, a high frequency generator 8, a spectrometer 12, a micro-processing controller 13, and a computer 14, wherein diluted heavy oil is contained in the sample tank 1, the sample tank 1 is connected to an inlet end of the atomizing chamber 5 through the peristaltic pump 2, the inlet end of the atomizing chamber 5 is further connected to the inert gas tank 3 through a pipeline, an upper outlet of the atomizing chamber 5 is connected to a lower end of the plasma torch pipe 7 through the heavy oil injection pipe 6, a lower end of the plasma torch pipe 7 is further connected to the inert gas tank 3 through a pipeline, the high frequency generator 8 is connected to a middle portion of the plasma torch pipe 7, a plasma torch 9 is formed at a top of the plasma torch pipe 7, the spectrometer 12 is installed beside the plasma torch pipe 7, the spectrometer 12 is connected to a microprocessor controller 13 via a data line, and the microprocessor controller 13 is connected to a computer 14 via a data line.

Wherein, an optical lens 10 is arranged at the front end of the spectrometer 12, and the optical lens 10 is mounted on a lens bracket 11, so that the plasma torch 9 can be refracted to the spectrometer 12 through the optical lens 10 to realize analysis and detection.

In addition, the front end of the atomization chamber 5 is provided with an atomizer 4 for atomizing the diluted heavy oil by inert gas, and the lower part of the right side of the atomization chamber 5 is provided with a waste liquid outlet 15 through which the waste liquid generated in the atomization chamber flows out.

Preferably, the inert gas tank 3 contains argon gas, which is used for the atomization of the diluted heavy oil by the atomizer on the one hand and for the protection of the heavy oil injection tube 6 on the other hand.

Preferably, the peristaltic pump 2 adopts a screw pump, which not only can play a role in conveying diluted heavy oil, but also can play a role in stirring, so that the heavy oil and the diluent are mixed more uniformly.

One side of the above-mentioned heavy oil injection pipe 6 is connected to the inert gas tank 3 through a pipeline, and is also protected by an inert gas.

The utility model discloses a use as follows:

the heavy oil after diluting is sent into atomizer 5 through peristaltic pump 2, simultaneously, the inert gas in the nature gas jar 3 is sent into atomizer 5 and is atomized to heavy oil, and the heavy oil after atomizing passes through heavy oil injection pipe 6 and spouts plasma torch pipe 7, and under inert gas's protection, under high frequency generator 8's effect, the heavy oil forms plasma torch 9, and the spectrum appearance 12 is sent to rethread optical lens 10, through micro-processing controller (13) and computer 14, thereby has realized the detection of heavy oil element content, the utility model has the characteristics of the temperature is high, electron density is high, inert atmosphere, have that the detection limit is low, linear range is wide, ionization and chemical interference are few, the analysis performance such as degree of accuracy and precision height. The microprocessor controller (13) and the computer 14 are well known to those skilled in the art and will not be described in detail.

Embodiment 2, the present invention provides a device for detecting heavy oil elemental content, which comprises a sample tank 1, an inert gas tank 3, an atomizing chamber 5, a heavy oil injection pipe 6, a plasma torch pipe 7, a high frequency generator 8, a spectrometer 12, a micro-processing controller 13, and a computer 14, wherein diluted heavy oil is contained in the sample tank 1, an agitator is arranged in the sample tank 1, the agitated heavy oil is delivered to an inlet end of the atomizing chamber 5 through a delivery pump, the inlet end of the atomizing chamber 5 is further communicated with the inert gas tank 3 through a pipeline, an upper outlet of the atomizing chamber 5 is connected with a lower end of the plasma torch pipe 7 through the heavy oil injection pipe 6, a lower end of the plasma torch pipe 7 is further communicated with the inert gas tank 3 through a pipeline, the middle of the plasma torch pipe 7 is connected with the high frequency generator 8, a plasma torch 9 is formed at the top of the plasma torch pipe 7, the spectrometer 12 is installed beside the plasma torch pipe 7, the spectrometer 12 is connected to a microprocessor controller 13 via a data line, and the microprocessor controller 13 is connected to a computer 14 via a data line.

The difference from the embodiment 1 is that: the heavy oil after stirring and mixing is transferred to the atomizing chamber 5 by a conventional transfer pump.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent changes made according to the technical solution of the present invention belong to the scope of the present invention as far as possible.

Claims

1. A device for detecting the element content of heavy oil is characterized in that: comprises a sample tank (1), a peristaltic pump (2), an inert gas tank (3), an atomizing chamber (5), a heavy oil injection pipe (6), a plasma torch pipe (7), a high-frequency generator (8), a spectrometer (12), a micro-processing controller (13) and a computer (14), wherein diluted heavy oil is filled in the sample tank (1), the sample tank (1) is connected to the inlet end of the atomizing chamber (5) through the peristaltic pump (2), the inlet end of the atomizing chamber (5) is also communicated with the inert gas tank (3) through a pipeline, the upper outlet of the atomizing chamber (5) is connected with the lower end of the plasma torch pipe (7) through the heavy oil injection pipe (6), the lower end of the plasma torch pipe (7) is also communicated with the inert gas tank (3) through a pipeline, the middle part of the plasma torch pipe (7) is connected with the high-frequency generator (8), and a plasma torch (9) is formed at the top of the plasma torch pipe (7, a spectrometer (12) is arranged beside the plasma torch tube (7), the spectrometer (12) is connected to a micro-processing controller (13) through a data line, and the micro-processing controller (13) is connected to a computer (14) through a data line.

2. The apparatus for detecting the elemental content of heavy oil according to claim 1, wherein: an optical lens (10) is arranged at the front end of the spectrometer (12), and the optical lens (10) is arranged on a lens bracket (11).

3. The apparatus for detecting the elemental content of heavy oil according to claim 1, wherein: the front end of atomizer chamber (5) is equipped with atomizer (4), atomizes diluted heavy oil through inert gas, the right side lower part of atomizer chamber (5) be equipped with waste liquid export (15).

4. The apparatus for detecting the elemental content of heavy oil according to claim 1, wherein: the inert gas tank (3) is filled with argon.

5. The apparatus for detecting the elemental content of heavy oil according to claim 1, wherein: the peristaltic pump (2) adopts a screw pump.

6. The apparatus for detecting the elemental content of heavy oil according to claim 1, wherein: one side of the heavy oil injection pipe (6) is connected to the inert gas tank (3) through a pipeline.