CN110242862B

CN110242862B - Gas generating equipment

Info

Publication number: CN110242862B
Application number: CN201910562579.3A
Authority: CN
Inventors: 杨长喜
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2024-05-10
Anticipated expiration: 2039-06-26
Also published as: CN110242862A

Abstract

The invention discloses a gas generating device, which comprises a tank body, wherein the tank body is divided into an evaporation area and a liquid storage area, and the liquid storage area supplements liquid medium to the evaporation area through a liquid inlet; the evaporation area comprises a medium accommodating cavity which is communicated with a liquid inlet and an air outlet for the mixed gas to flow out; the air inlet pipe is communicated with an external air supply device, and inputs a gaseous medium insoluble in the liquid medium into the evaporation area; the evaporation disc is immersed in the liquid medium in the shell, so that the liquid medium is evaporated and mixed with the gaseous medium to form mixed gas; the evaporating pan is curved, a through hole is arranged on the evaporating pan, and the evaporating pan is lower than the air outlet. When the evaporation area lacks liquid medium, the liquid medium is timely supplemented to the evaporation area through the liquid storage area, so that the time required by driving control is reduced, and the mixed gas generation efficiency is improved. The evaporation disc with the curved surface increases the area of the arrangeable through holes, is convenient for forming abundant and dense small bubbles, and ensures the increase of the evaporation specific surface area.

Description

Gas generating equipment

Technical Field

The invention relates to the technical field of mixed air light hydrocarbon equipment, in particular to gas generating equipment.

Background

The light hydrocarbon gas is commonly called as 'flare gas', is an alkane mixed liquid mainly comprising pentane and is a by-product associated with oil and gas fields, natural gas fields, oil refineries and petrochemical plants, and has the advantages of high heat value, safety, environmental protection, convenient use, low price and the like. From the resource supply perspective, the light hydrocarbon fuel gas can be used as a backup energy source with great potential. Compared with artificial gas and natural gas, the light hydrocarbon fuel gas has the advantages of investment saving, fast construction and no pollution; compared with liquefied petroleum gas, the gas-fired boiler has the advantages of safety, economy and no influence of the gas supply radius and the floor height on the combustion effect. The low cost of light hydrocarbon fuel gas is economically sufficient to compete with alternative energy sources.

However, the concentration of the light hydrocarbon obtained in the preparation process is too low, and the combustion efficiency is low due to the mixing of the light hydrocarbon and air, so that the combustion is unstable, and stable light hydrocarbon fuel gas cannot be conveyed for users.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is that the concentration of the obtained light hydrocarbon is too low in the preparation process of the prior art, and the combustion efficiency is low due to the mixing of the light hydrocarbon and air, so that the combustion is unstable, and the defect that stable light hydrocarbon gas cannot be conveyed for users is overcome.

To this end, the present invention provides a gas generating apparatus comprising:

The liquid storage area supplements liquid medium to the evaporation area through a liquid inlet;

The evaporation zone comprises:

a medium accommodating chamber; the medium accommodating cavity is communicated with the liquid inlet and the air outlet for the mixed gas to flow out;

The air inlet pipe is communicated with an external air supply device, and is used for inputting a gaseous medium insoluble in the liquid medium into the evaporation area;

And an evaporation pan immersed in the liquid medium in the housing, for evaporating the liquid medium and mixing with the gaseous medium to form the mixed gas; the evaporation tray is curved, a plurality of through holes allowing the mixed gas to escape are formed in the evaporation tray, and the evaporation tray is lower than the air outlet.

Preferably, in the above gas generating apparatus, the tank body is transversely disposed, and the tank body is cylindrical; the surface of the evaporating pan is cylindrical, preferably semi-cylindrical.

Further preferably, in the above gas generating apparatus, the through holes are uniformly arranged on the evaporation pan.

Further preferably, in the above gas generating apparatus, the gas inlet pipe extends into the liquid medium below the evaporation tray.

Further preferably, in the above gas generating apparatus, the vertical projection of the evaporation pan covers a cross section of the evaporation area.

Further preferably, the above gas generating apparatus further comprises a control unit, and a detection unit, an oil supply unit, a gas supply unit and a gas unit electrically connected thereto;

The detection unit detects a medium state in the medium accommodating cavity; the oil supply unit is communicated with the liquid storage area; the air supply unit is communicated with the air inlet pipe; the gas unit is communicated with the gas outlet through a gas pipeline.

Further preferably, in the above gas generating apparatus, the gas pipeline is further provided with a gas outlet protection unit, and the gas outlet protection unit includes:

the first valve is used for controlling the on-off of the air outlet and the gas pipeline;

The second valve is used for controlling the on-off of the gas pipeline and the gas unit;

And the adjusting and metering assembly is arranged between the first valve and the second valve, and is used for adjusting and detecting the gas outlet quantity of the mixed gas flowing in the gas pipeline.

Further preferably, the gas generating device further comprises a branch pipeline connected in parallel with the regulating and metering assembly, two ends of the branch pipeline are respectively communicated with the first valve and the second valve, so that a parallel loop is formed with the regulating and metering assembly, and a third valve for controlling the on-off of the branch pipeline is arranged on the branch pipeline.

Further preferably, in the above gas generating apparatus, the detection unit includes a temperature detection unit that detects an ambient temperature outside the housing.

Further preferably, in the above gas generating apparatus, the detecting unit further includes a pressure detecting unit for detecting the magnitude of the gas pressure in the medium accommodating chamber.

Further preferably, in the above gas generating apparatus, the detecting unit further includes a liquid level detecting unit that detects a liquid level of the liquid medium in the medium accommodating chamber.

The technical scheme provided by the invention has the following advantages:

1. the invention provides gas generating equipment which comprises a tank body, wherein the tank body is divided into an evaporation area and a liquid storage area, and the liquid storage area supplements liquid medium to the evaporation area through a liquid inlet; the evaporation zone comprises: a medium accommodating chamber; the medium accommodating cavity is communicated with the liquid inlet and the air outlet for the mixed gas to flow out; the air inlet pipe is communicated with an external air supply device, and is used for inputting a gaseous medium insoluble in the liquid medium into the evaporation area; and an evaporation pan immersed in the liquid medium in the housing, for evaporating the liquid medium and mixing with the gaseous medium to form the mixed gas; the evaporation tray is curved, a plurality of through holes allowing the mixed gas to escape are formed in the evaporation tray, and the evaporation tray is lower than the air outlet.

The gas generating equipment with the structure is characterized in that the tank body is divided into an evaporation area and a liquid storage area, so that liquid medium can be conveniently and timely supplemented into the evaporation area, the time required by driving control is reduced, and the mixed gas generating efficiency is greatly improved. Under the action of self buoyancy, the gaseous medium emerges from the outlet of the air inlet pipe, escapes from the through hole through the evaporation disc, and forms a plurality of small bubbles with uniform size, which are commensurate with the size of the through hole, and the formation of the small bubbles greatly increases the specific surface area of evaporation, so that the evaporation efficiency is improved; the evaporation disc is arranged in a curved surface, so that the area where the through holes can be arranged is increased, and the number of the through holes is increased, so that abundant and dense small bubbles can be formed conveniently. Because the liquid medium has a lower boiling point, the liquid medium wraps the outer sides of the small bubbles, the liquid medium is vaporized, and the small bubbles generated by the gaseous medium continuously enter the inside to form mixed gas with the gaseous medium in the small bubbles; meanwhile, the evaporation phenomenon only occurs on the junction surface between the liquid medium outside the small bubbles and the mixed gas in the small bubbles, so that the specific surface area for actual evaporation is increased along with the increase of the generation of the small bubbles, and the evaporation effect is greatly increased.

2. The gas generating equipment provided by the invention is characterized in that the tank body is transversely arranged, and the tank body is cylindrical; the surface of the evaporating pan is cylindrical, preferably semi-cylindrical. The through holes are uniformly arranged on the evaporation tray. The gas generating equipment with the structure is uniformly arranged through the through holes, so that formed small bubbles are prevented from accumulating at the same position, the uniformity of the small bubbles generated in the evaporation and vaporization process is greatly increased, and the problem of uneven concentration of the formed mixed gas at each position is effectively prevented. In addition, be the evaporation dish that the cylinder set up, effectively guarantee the manufacturing convenience of structure, reduce the manufacturing degree of difficulty, simultaneously, further guarantee that the surface area of evaporation dish compares its projected area bigger, guarantee that the through-hole can set up the area enough and abundant.

3. According to the fuel gas generating device provided by the invention, the air inlet pipe extends into the liquid medium below the evaporation disc. The ascending path of the gaseous medium in the air inlet pipe is ensured to move towards the side of the evaporating disc, dense and uniform small bubbles are formed by penetrating through the evaporating disc, and the smooth generation of mixed gas generated by the gas generating equipment is effectively ensured by ensuring the setting position of the air inlet pipe.

4. According to the fuel gas generating device provided by the invention, the vertical projection of the evaporation tray covers the cross section of the evaporation area. Further, all gaseous mediums output by the air inlet pipe can form small bubbles with the same size and the pore diameter of the through hole through the through hole, so that the defect that the gaseous mediums are directly diffused to the medium junction without passing through the evaporation disc to cause uneven evaporation of the liquid mediums is avoided.

5. The invention provides a gas generating device, which also comprises a control unit, a detection unit, an oil supply unit, a gas supply unit and a gas unit, wherein the detection unit, the oil supply unit, the gas supply unit and the gas unit are electrically connected with the control unit; the detection unit detects a medium state in the medium accommodating cavity; the oil supply unit is communicated with the liquid storage area; the air supply unit is communicated with the air inlet pipe; the gas unit is communicated with the gas outlet through a gas pipeline.

The gas generating equipment with the structure is matched with the detecting unit, the gas supply unit, the oil supply unit and the gas unit, so that the gas supply unit supplies raw materials of gaseous medium in the evaporation process for the inside of the medium accommodating cavity, and the oil supply unit supplies liquid medium for the liquid storage area. The detection unit monitors the test process in the vaporization process in real time; in addition, the vaporized mixed gas is supplied to the gas unit through the gas pipeline, so that the stability and fluency of gas output are ensured.

6. The invention provides a gas generating device, wherein a gas outlet protection unit is further arranged on a gas pipeline, and the gas outlet protection unit comprises: the first valve is used for controlling the on-off of the air outlet and the gas pipeline; the second valve is used for controlling the on-off of the gas pipeline and the gas unit; and the adjusting and metering assembly is arranged between the first valve and the second valve, and is used for adjusting and detecting the gas outlet quantity of the mixed gas flowing in the gas pipeline.

The gas generating equipment of this structure, first valve and second valve are respectively for guaranteeing to survey the production of gaseous mixture and carry out on-off control at gas outlet side and gas unit to operating personnel can carry out the switch hole of first valve and second valve to according to the in-service use demand, and the regulation metering component measures for the gaseous mixture volume of gas outlet end output on the one hand, and on the other hand carries out the regulation to the gas outlet volume, and the operating personnel of being convenient for in time measures and adjusts the use.

7. The gas generating device provided by the invention further comprises a branch pipeline which is arranged in parallel with the regulating and metering assembly, wherein two ends of the branch pipeline are respectively communicated with the first valve and the second valve to form a parallel loop with the regulating and metering assembly, and a third valve for controlling the on-off of the branch pipeline is arranged on the branch pipeline. The gas generating equipment with the structure ensures that when the adjusting and metering assembly fails, the mixed gas is normally output to the user direction of the gas unit through opening the third valve.

8. The invention provides a gas generating device, wherein the detection unit comprises a temperature detection unit for detecting the ambient temperature outside the shell. The detecting unit also comprises a pressure detecting unit for detecting the air pressure in the medium accommodating cavity. The detection unit further comprises a liquid level detection unit for detecting the liquid level of the liquid medium in the medium accommodating cavity.

The gas generating equipment with the structure comprises an ambient temperature detecting unit, a pressure detecting unit and a liquid level detecting unit, wherein the ambient temperature, the air pressure in a medium accommodating cavity and the liquid level of the liquid medium are respectively and timely acquired from the placing position of the gas generating equipment, and an operator can timely control the using state of the gas generating equipment according to the acquired information, so that the gas generating equipment is convenient for a user to use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a gas generating apparatus provided in embodiment 1;

Fig. 2 is a schematic view in longitudinal section of the gas generating apparatus provided in embodiment 1 along the evaporation zone of the tube body;

fig. 3 is a schematic structural view of the evaporation pan provided in embodiment 1;

Fig. 4 is a schematic diagram of the structure of the communication between the gas unit and the gas protection unit provided in embodiment 1;

reference numerals illustrate:

11-a liquid medium; 12-gaseous medium; 13-mixing gas;

21-a liquid storage area; 22-an evaporation zone; 221-evaporation pan; 2211-a through hole; 23-a tank body;

3-an air inlet pipe; 41-liquid inlet; 42-air outlet;

51-a temperature detection unit; 52-a pressure detection unit; 53-liquid level detection unit

6-An air outlet protection unit; 61-a first valve; 62-a second valve; 631-a regulating valve; 632-meter; 633-metering controller; 64-branch line;

7-a gas unit; 8-an air supply unit; 9-an oil supply unit.

Detailed Description

The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.

Example 1

The present embodiment provides a gas generating apparatus, as shown in fig. 1 to 4, including: the tank body 23, the control unit, the detection unit electrically connected with the control unit, the oil supply unit 9, the air supply unit 8 and the gas unit 7. The tank body 23 is divided into an evaporation area 22 and a liquid storage area 21, and the liquid storage area 21 supplements the liquid medium 11 to the evaporation area 22 through a liquid inlet 41; the detecting unit detects the medium state in the medium accommodating cavity; the oil supply unit 9 is communicated with the liquid storage area 21; the air supply unit 8 is communicated with the evaporation zone 22; the gas unit 7 communicates with the gas outlet 42 of the evaporation zone 22 via a gas conduit.

As shown in fig. 1, 2 and 3, the evaporation zone 22 in the present embodiment includes: a medium accommodating chamber, an air intake pipe 3, and an evaporation tray 221. Wherein the medium accommodating cavity is communicated with a liquid inlet 41 and an air outlet 42 for the mixed gas 13 to flow out; the air inlet pipe 3 is communicated with the air supply unit 8, the air inlet pipe 3 inputs a gaseous medium 12 which is insoluble in the liquid medium 11 into the evaporation area 22, and the air inlet pipe 3 extends into the liquid medium 11 below the evaporation tray 221; the evaporation disc 221 is immersed in the liquid medium 11 in the shell, so that the liquid medium 11 is evaporated and mixed with the gaseous medium 12 to form the mixed gas 13, and the evaporation disc 221 is arranged below the gas outlet 42. For example, in the present embodiment, the intake pipe 3 may be inserted through the mounting hole of the evaporation pan 221 and welded to each other.

The gaseous medium 12 in this embodiment is air. In this embodiment, the liquid medium 11 is light oil. For example, light hydrocarbon oil, which uses by-product C4-C9 as raw material and uses by-product of petrochemical industry and ethylene engineering as main raw material, its main component is pentane and small quantity of ethane. The mixed gas 13 in this embodiment is a mixed air light hydrocarbon gas, specifically, HG gas.

Table 1 shows the light oil component content table provided in this example

In this embodiment, as shown in fig. 3, the evaporation tray 221 is curved, and a plurality of through holes 2211 allowing the mixed gas 13 to escape are formed in the evaporation tray 221, the through holes 2211 are circular through holes 2211 and uniformly distributed on the surface of the evaporation tray 221, and the surface of the evaporation tray 221 is a cylindrical surface, preferably a semi-cylindrical surface. The vertical projection of the evaporation pan 221 covers the cross section of the evaporation zone 22. In addition, in the present embodiment, the tank body 23 is laterally disposed, and the tank body 23 is cylindrical; as shown in fig. 1, a support is provided at the bottom of the tank body 23, so as to be fixed at a preset position in actual use. The left and right end surfaces of the tank body are arc-shaped shells.

Of course, in other embodiments, the through holes 2211 on the evaporation tray 221 may be square holes or other special-shaped through holes 2211, so long as the air is ensured to be output upwards, and dense small bubbles can be formed when the air passes through the through holes 2211 to ensure the evaporation efficiency of the light hydrocarbon oil.

In the present embodiment, the oil supply unit 9 includes: the raw material tank and the oil supply pipe are directly communicated with the liquid storage area 21, and meanwhile, the light hydrocarbon oil is supplemented through a stop valve arranged on the oil supply pipe. The oil supply unit 9 is also provided with an electromagnetic flowmeter for measuring the flow of the light hydrocarbon oil output along the oil supply pipe.

The air supply unit 8 in this embodiment has a fan and an air collector which are sequentially connected, the fan outputs and controls through the frequency converter, and the air collector is used for ensuring the purity of the gaseous medium 1212 output by the fan. Wherein the fan is a Roots fan.

In this embodiment, as shown in fig. 1 and 4, the gas pipeline is further provided with a gas outlet protection unit 6, and after the gas passes through the gas outlet protection unit 6, the gas is used by a user. The gas outlet protection unit 6 includes: the first valve 61, the second valve 62 and the regulating metering assembly and the branch pipeline which are arranged in parallel between the first valve 61 and the second valve 62. Wherein, the first valve 61 controls the on-off of the air outlet 42 and the gas pipeline; the second valve 62 controls the on-off of the gas pipeline and the gas unit 7; the regulation metering assembly regulates and detects the gas outlet quantity of the mixed gas 13 flowing in the gas pipeline, two ends of the branch pipeline are respectively communicated with the first valve 61 and the second valve 62, and the branch pipeline is provided with a third valve 64 for controlling the on-off of the branch pipeline. Specifically, the fourth valve, meter 632, and metering controller 633 are provided on the regulating metering assembly. The fourth valve is a regulating valve 631, and the meter 632 and the metering controller 633 are connected in parallel and then connected in series with the fourth valve. The first valve 61, the second valve 62 and the third valve 64 are all electrically controlled shut-off valves connected to and controlled by the control unit.

The fuel gas generating device in the embodiment further comprises a leakage detection module and an alarm cut-off module; the leakage detection module and the alarm cut-off module are respectively and electrically connected with the control unit; the leakage detection module detects leakage of the gas pipeline, the alarm cut-off module comprises an alarm device and an electromagnetic control valve arranged on the air inlet pipe 33 and the gas pipeline, when the leakage detection module detects leakage of the gas, a result is fed back to the control unit, the control unit controls the electromagnetic control valve to close the air inlet pipe 3 and the gas pipeline, and meanwhile, the control module triggers the alarm device to feed back alarm information to the user terminal. The leakage detection module is a gas leakage detector, and the gas leakage detector is arranged outside the shell and used for carrying out leakage detection on the placement environment of the gas generating equipment, for example, the gas leakage detector is arranged outside a gas pipeline and outside the shell. The user terminal may be a user mobile phone app or a computer terminal. Through the above-mentioned setting, when leaking in the gas pipeline takes place, through cutting off the valve of gas outlet 42 and inlet 41 side to the medium holds the chamber and will not take place the vaporization of liquid medium 11, prevents that the medium from holding the chamber atmospheric pressure and causing the device safety unstable, avoids the pipeline to continue leaking simultaneously and causes the safety threat that user life and production safety brought. All valves of the embodiment are electrically controlled electromagnetic valves, and all valves are electrically connected with the control unit and controlled by the control unit, so that the control automation is realized.

The detection unit of the present embodiment includes a temperature detection unit 51, a pressure detection unit 52, and a liquid level detection unit 53. The temperature detection unit 51 is installed at the outer side of the tank body 23, the pressure detection unit 52 and the liquid level detection unit 53 are installed at the side part of the tank body 23 and are communicated with the evaporation zone 22, wherein the temperature detection unit 51 is used for detecting the environmental temperature of the space outside the tank body 23; the temperature detecting unit 51 in this embodiment is an infrared temperature measuring sensor. The pressure detecting unit 52 is configured to detect the air pressure in the medium accommodating chamber, and the pressure detecting unit 52 is a pressure sensor. The liquid level detecting unit 53 is used for detecting the liquid level of the liquid medium 11 in the medium accommodating cavity, and is a liquid level sensor, and the liquid level can be detected by a radar liquid level gauge. The radar level gauge is a measuring instrument based on the time-of-flight principle, the radar wave is operated at the speed of light, and the operating time can be converted into a level signal by means of electronic components. The probe emits high frequency pulses that propagate in space at the speed of light, reflect back to be received by a receiver in the meter when the pulses encounter the surface of the material, and convert the distance signal into a level signal. In this embodiment, according to the method of sending high-frequency pulse to the surface of the light hydrocarbon oil, receiving the reflected high-frequency pulse to further measure the liquid level height, comparing with the preset liquid level height, and controlling whether to add the light hydrocarbon oil to the evaporation area 22 through the liquid storage area 21. In this embodiment, a radar level gauge is also disposed at the liquid storage area 21 to detect the level of the light hydrocarbon oil at the side of the liquid storage area 21, so as to supplement the light hydrocarbon oil into the liquid storage area 21 through the oil supply unit 9.

The gas generating device with the structure comprises an ambient temperature detecting unit 51, a pressure detecting unit 52 and a liquid level detecting unit 53, wherein the ambient temperature, the air pressure in the medium accommodating cavity and the liquid level of the liquid medium 11 are respectively and timely acquired from the placing position of the gas generating device, and an operator can timely control the using state of the gas generating device according to the acquired information, so that the gas generating device is convenient for a user to use.

The working process of the gas generating device provided by the embodiment is as follows: when HG gas is required to be prepared and provided for a gas system, firstly, detecting the liquid level height of light hydrocarbon oil in a medium accommodating cavity through a radar liquid level meter, judging whether the light hydrocarbon oil with sufficient quantity exists or not, if the light hydrocarbon oil is lacking, opening one-way valves arranged in an evaporation area 22 and a liquid storage area 21, and supplementing the light hydrocarbon oil to one side of the evaporation area 22 through the liquid storage area 21; in addition, if the radar level gauge arranged in the liquid storage area 21 detects that the light hydrocarbon oil stored in the liquid storage area 21 is too little, the oil supply unit 9 supplements the light hydrocarbon oil into the medium accommodating cavity;

Then, the air supply unit 8 is opened, air is input into the evaporation area 22 through the air inlet pipe 3, the air moves upwards in the vertical direction under the action of self-buoyancy, the air is wrapped by light hydrocarbon oil and forms large bubbles, and when the large bubbles contact the through holes 2211 of the evaporation tray 221, a plurality of uniform small bubbles are formed; then, the small bubbles move upwards, and in the process of conveying the small bubbles upwards, the light hydrocarbon oil close to the outer sides of the small bubbles reaches the boiling point to be vaporized, and mixed gas 13, namely HG fuel gas, is formed in the small bubbles; finally, dense small bubbles are formed on the surface of the light hydrocarbon oil, and when the small bubbles are broken, the mixed gas 13 is accumulated above the medium accommodating cavity and is conveyed to the gas unit 7 along with the gas pipeline to convey HG gas for users.

In this example, for the two groups of samples in table 1, the average light hydrocarbon oil product vapor pressure, the light hydrocarbon oil atmospheric distillation characteristics, the total sulfur content of the light hydrocarbon oil, and the corrosiveness of the light hydrocarbon oil copper sheet provided in this example were tested with reference to the GB/T8017, GB/T6536, SH/T0689, and GB/T5096 test standards, so as to test the volume average boiling point of the light hydrocarbon oil product, the product density, corrosiveness, sulfur content, and other product characteristics of the light hydrocarbon oil product, and the test results are shown in table 2.

Table 2 shows the product properties of the light hydrocarbon oil in this example

As can be seen from the above, the light oil used in this example had a volume average boiling point of t.gtoreq.31 ℃, a density of 621.8Kg/m ³ and a vapor pressure of 113kPa.

In addition, for the detection of the exhaust gas of the light hydrocarbon oil products in the above table 2 at the boiler exhaust drum, refer to HJ57-2017, HJ693-2014, GB/T16157-1996, and the national environmental protection agency of pollution source monitoring atomic fluorescence method "air and exhaust gas detection analysis method" (fourth edition supplement). Testing of organized industrial waste gas: the contents of particulate matter, sulfur dioxide, nitrogen oxides, mercury and their compounds and their emission rates were in accordance with the standards, and the test results are shown in table 3.

Table 3 shows the statistics of the detection of the HG gas on the exhaust drum side of the boiler in this example

As can be seen from Table 3, the exhaust of the boiler exhaust pipe meets the standards.

Further, for the light hydrocarbon oil products in table 2 above, exhaust gas detection was performed around the factory boundary, and the unstructured industrial exhaust gas was measured with reference to HJ604-2017 and HJ 584-2010: the values of the total hydrocarbon content of benzene, toluene, xylene and non-methane are shown in Table 4.

Table 4 shows the statistics of the detection of the non-organized industrial waste gas of HG gas around the factory boundary in this example

As can be seen from the above Table 4, the discharged industrial waste gas meets the standards. The HG gas output realized by the gas generating equipment can ensure that the discharge amount meets the national standard.

According to the fuel gas generating device provided by the embodiment, air is emitted from the outlet of the air inlet pipe 3 under the action of self buoyancy, escapes along the through hole 2211 through the evaporation disc 221, and forms a plurality of small bubbles with uniform size, which are matched with the size of the through hole 2211, and the formation of the small bubbles greatly increases the specific surface area of evaporation, so that the evaporation efficiency is improved; ; since the evaporation pan 221 is provided in a cylindrical curved surface, the area in which the through holes 2211 can be arranged is increased, and thus the number of through holes 2211 is increased, so that abundant and dense small bubbles are formed. Because the light hydrocarbon oil provided in this embodiment has a lower boiling point, if the average boiling point of the light hydrocarbon oil in table 2 of this embodiment is 31 ℃, the light hydrocarbon oil wraps the outside of the small bubbles, the temperature of the air in the small bubbles is higher than 32 ℃, 90% of the light hydrocarbon oil can be evaporated, and when the temperature of the air is higher than 38 ℃, the light hydrocarbon oil reaches the final boiling point, so that the light hydrocarbon oil continuously enters the inside through the small bubbles and forms HG gas with the air in the small bubbles; meanwhile, the evaporation phenomenon only occurs on the junction surface between the light hydrocarbon oil outside the small bubbles and the mixed gas 1313 in the small bubbles, so that the specific surface area of actual evaporation is increased as the small bubbles are generated more, and the evaporation effect is greatly increased. Meanwhile, in the embodiment, the tank body 23 is divided into the evaporation area 22 and the liquid storage area 21, so that light hydrocarbon oil can be conveniently and timely supplemented into the evaporation area 22, the time required by driving control is reduced, and the HG gas production efficiency is greatly improved. It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims

1. A gas generating apparatus, comprising:

The evaporation zone comprises:

An evaporation disc immersed in the liquid medium in the shell, and enabling the liquid medium to evaporate and be mixed with the gaseous medium to form the mixed gas; the evaporation disc is curved, a plurality of through holes allowing the mixed gas to escape are formed in the evaporation disc, and the evaporation disc is arranged lower than the air outlet;

the tank body is transversely arranged and is cylindrical; the surface of the evaporating disk is a semi-cylindrical surface; the curved surface direction projection of the evaporation pan covers the evaporation area;

The gas generating device further comprises a control unit, a detection unit, an oil supply unit, a gas supply unit and a gas unit, wherein the detection unit, the oil supply unit, the gas supply unit and the gas unit are electrically connected with the control unit; the detection unit detects a medium state in the medium accommodating cavity; the oil supply unit is communicated with the liquid storage area; the air supply unit is communicated with the air inlet pipe; the gas unit is communicated with the gas outlet through a gas pipeline.

2. The gas-generating apparatus as recited in claim 1, wherein the through holes are uniformly arranged on the evaporation pan.

3. A gas-generating apparatus as claimed in claim 1 or 2, characterized in that the gas inlet pipe extends into the liquid medium below the evaporation pan.

4. The gas generating apparatus according to claim 1, wherein the gas pipe is further provided with a gas outlet protection unit, the gas outlet protection unit comprising:

5. The gas generating apparatus according to claim 4, wherein the gas outlet protection unit further comprises a branch pipe connected in parallel with the regulating and metering assembly, two ends of the branch pipe are respectively connected with the first valve and the second valve to form a parallel circuit with the regulating and metering assembly, and a third valve for controlling the on-off of the branch pipe is arranged on the branch pipe.

6. The gas generating apparatus according to claim 1, wherein the detection unit includes a temperature detection unit that detects an ambient temperature outside the housing.

7. The gas generating apparatus according to claim 6, wherein the detecting unit further comprises a pressure detecting unit for detecting the magnitude of the gas pressure in the medium accommodating chamber;

the detection unit further comprises a liquid level detection unit for detecting the liquid level of the liquid medium in the medium accommodating cavity.