CN214948184U

CN214948184U - Hydrogenation machine flow control system

Info

Publication number: CN214948184U
Application number: CN202120686154.6U
Authority: CN
Inventors: 李波; 夏利涛; 吴新芳; 李培涛
Original assignee: Henan Zhengrongheng Energy Science And Technology Co ltd
Current assignee: Henan Zhengrongheng Energy Science And Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-30
Anticipated expiration: 2031-04-02

Abstract

The utility model belongs to the technical field of filling equipment, specifically disclose a hydrogenation machine flow control system, include the filling pipeline of being connected with the hydrogenation rifle, the filling pipeline is connected with the hydrogenation machine through detecting adjusting device, detects adjusting device including the automatic switch valve, electronic flow valve and the flowmeter of pipe connection in proper order, wherein the flowmeter is close to the hydrogenation rifle, and is provided with the valve body between electronic flow valve and the flowmeter, and the valve body is provided with the screw threaded connection who sets up respectively with the valve body with the same passageway of diameter of filling pipeline and temperature sensor and gas pressure sensor's body, and automatic switch valve, temperature sensor, gas pressure sensor, flowmeter and electronic flow valve all are connected with the controller electricity. The control system can adjust the hydrogen flow rate in the pipeline by acquiring the hydrogen pressure, temperature and flow rate in the pipeline connected with the hydrogenation gun so as to ensure that the pressure and temperature of the hydrogen are in a safe range.

Description

Hydrogenation machine flow control system

Technical Field

The utility model belongs to the technical field of the technique of filling equipment and specifically relates to a hydrogenation machine flow control system.

Background

The hydrogen as the automobile alternative fuel has the advantages of good advancing acceleration, fuel adaptability, low-temperature starting performance, ultralow emission, high efficiency under all working conditions and the like, and has small volume, large capacity, no pollution and zero emission.

However, when the existing hydrogenation machine is filled with hydrogen, the pressure and the temperature of the hydrogen in a pipeline connected with the hydrogenation gun cannot be obtained, and since the hydrogen is flammable and explosive, if the pressure and the temperature of the hydrogen exceed the safety range, safety accidents are easily caused.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model aims at providing a hydrogenation machine flow control system to hydrogen pressure, temperature and the velocity of flow in the pipeline of acquireing to be connected with the hydrogenation rifle, thereby adjust the hydrogen flow rate in the pipeline, be in safe range with the pressure and the temperature of guaranteeing hydrogen, avoid leading to the incident because of hydrogen pressure is too big or the high temperature appears.

In order to achieve the above purpose, the utility model discloses a technical scheme is:

designing a flow control system of a hydrogenation machine, comprising a filling pipeline connected with a hydrogenation gun, wherein the filling pipeline is connected with the hydrogenation machine through a detection adjusting device, the detection adjusting device comprises an automatic switch valve, an electric flow valve and a flowmeter which are sequentially connected through pipes, wherein the flowmeter is close to the hydrogenation gun, a valve body is arranged between the electric flow valve and the flowmeter, the valve body is provided with a channel with the same diameter as the filling pipeline, two ends of the channel are respectively connected with the electric flow valve and the flowmeter pipe, and the bodies of the temperature sensor and the gas pressure sensor are respectively in threaded connection with a screw hole arranged on the valve body, the valve body is internally provided with a mounting hole for the probe of the temperature sensor or the gas pressure sensor to extend into the channel, and the automatic switch valve, the temperature sensor, the gas pressure sensor, the flow meter and the electric flow valve are all electrically connected with the controller.

Further, in the above-described hydroger flow control system, the mounting hole is provided obliquely and is biased toward the downstream in the hydrogen gas flow direction in the passage.

Further, in the above-mentioned hydrogenation machine flow control system, the temperature sensor is a plug-in integrated temperature sensor.

Further, in the above-mentioned hydroextractor flow control system, the mounting hole and the screw hole are coaxially arranged.

Further, in the above-mentioned hydroger flow control system, the automatic on-off valve is a pneumatic ball valve.

Further, in the above-mentioned hydroger flow control system, the bottom of the screw hole is provided with a sealing gasket.

The utility model has the beneficial technical effects that:

compared with the prior art, the utility model provides a hydrogenation machine flow control system structure is unusual, gathers the flow signal of flowmeter, the pressure signal of gas pressure sensor, the temperature signal of temperature sensor through the controller, judges whether velocity of flow, pressure, temperature exceed the setting value; if the opening and closing amount of the electric flow valve is larger than the set value, the opening and closing amount of the electric flow valve is controlled to be reduced, and if the opening and closing amount of the electric flow valve is smaller than the set value, the opening and closing amount of the electric flow valve is controlled to be increased; and if the flow rate, the pressure and the temperature are in the threshold range of the set value, the electric flow valve is not adjusted so as to prevent frequent actions of the electric flow valve from causing unstable flow rate.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a flow control system of a hydrogenation machine.

In the figure: 1. automatic switch valve, 2, electric flow valve, 3, channel, 4, valve body, 5, temperature sensor,

6. the gas pressure sensor comprises a screw hole, 7 mounting holes, 8 gas pressure sensors, 9 flow meters and 10 filling pipelines.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

As shown in fig. 1, as a preferred embodiment of the present invention, the present invention provides a flow control system for a hydrogenation apparatus, including a filling pipe 10 connected to a hydrogenation gun, the filling pipe 10 is connected to the hydrogenation apparatus through a detection and adjustment device, the detection and adjustment device is used for adjusting the flow rate in the filling pipe 10, the pressure and the temperature, and further ensuring the safety of filling, the detection and adjustment device includes an automatic switch valve 1, an electric flow valve 2 and a flow meter 9, which are sequentially connected, wherein the flow meter 9 is close to the hydrogenation gun, the flow rate of hydrogen flowing through the hydrogenation gun is obtained, and the flow rate is divided by the filling time, so as to obtain the flow rate of hydrogen, a valve body 4 is disposed between the electric flow valve 2 and the flow meter 9, the valve body 4 is used for fixedly mounting a temperature sensor 5 and a gas pressure sensor 8, the valve body 4 is provided with a channel 3 having the same diameter as the filling pipe 10, so as to ensure the gas pressure in the channel 3, the flow rate and the gas pressure in the filling pipe 10, The velocity of flow is the same, the both ends of passageway 3 respectively with electric flow valve 2 and flowmeter 9 union coupling, and temperature sensor 5 and gas pressure sensor 8 respectively with the 6 threaded connection of screw that set up on valve body 4, and set up seal structure in the junction, avoid the hydrogen in the passageway 3 to reveal, be provided with the mounting hole 7 that supplies temperature sensor 5 or gas pressure sensor 8's probe to stretch into in the passageway 3 in the valve body 4, with the hydrogen in the contact passage 3, and then acquire the parameter, and automatic switch valve 1, temperature sensor 5, pressure sensor, flowmeter 9 and electric flow valve 2 all are connected with the controller electricity.

Use the utility model provides a during hydrogenation machine flow control system, flow signal through controller collection flowmeter 9, gas pressure sensor 8's pressure signal, temperature sensor 5's temperature signal judges the velocity of flow, pressure, whether the temperature exceeds the setting value, if be greater than the setting value, then control 2 opening and shutting volumes of electric flow valve and reduce, if be less than the setting value, then control 2 opening and shutting volumes of electric flow valve and increase, and if the velocity of flow, pressure, the temperature is in the threshold within range of setting value, then not adjust electric flow valve 2, in order to prevent 2 frequent actions of electric flow valve, arouse the velocity of flow unstable.

On the basis of the above embodiment, for better technical effect, the mounting hole 7 is obliquely arranged and is deviated to the downstream of the hydrogen flowing direction in the channel 3, so that the hydrogen is prevented from impacting the probes of the gas pressure sensor 8 and the temperature sensor 5, the damage is reduced, and the service lives of the gas pressure sensor 8 and the temperature sensor 5 are prolonged.

Preferably, temperature sensor 5 is bayonet integration temperature sensor 5, and temperature sensor 5's probe passes screw 6 and mounting hole 7 in proper order and stretches into in the passageway 3 to the gas temperature in the accurate measurement passageway 3, more specifically, mounting hole 7 and the coaxial setting of screw 6, so that the external screw thread on the temperature sensor 5 body is connected with screw 6, and then makes the probe stretch into in mounting hole 7.

Specifically, automatic switch valve 1 can be selected for pneumatic ball valve, but not only be limited to this kind, can directly utilize the hydrogen drive through using pneumatic ball valve, avoids inserting external power drive, further keeps apart power and hydrogen, guarantees safety.

On the basis of the above embodiment, the bottom of the screw hole 6 is provided with a gasket to achieve end sealing.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A flow control system of a hydrogenation machine comprises a filling pipeline connected with a hydrogenation gun, and is characterized in that, the filling pipeline is connected with the hydrogenation machine through a detection and adjustment device, the detection and adjustment device comprises an automatic switch valve, an electric flow valve and a flow meter which are sequentially connected through pipes, wherein the flowmeter is close to the hydrogenation gun, a valve body is arranged between the electric flow valve and the flowmeter, the valve body is provided with a channel with the same diameter as the filling pipeline, two ends of the channel are respectively connected with the electric flow valve and the flowmeter pipe, and the bodies of the temperature sensor and the gas pressure sensor are respectively in threaded connection with a screw hole arranged on the valve body, the valve body is internally provided with a mounting hole for the probe of the temperature sensor or the gas pressure sensor to extend into the channel, and the automatic switch valve, the temperature sensor, the gas pressure sensor, the flow meter and the electric flow valve are all electrically connected with the controller.

2. The hydromechanical flow control system of claim 1, wherein the mounting holes are obliquely disposed and are biased downstream in the direction of hydrogen flow in the channel.

3. The hydrotreater flow control system of claim 1, wherein the temperature sensor is a plug-in integrated temperature sensor.

4. The hydromechanical flow control system of claim 3, wherein the mounting hole and the threaded hole are coaxially disposed.

5. The hydromechanical flow control system of claim 1, wherein the automatic on-off valve is a pneumatic ball valve.

6. The hydromechanical flow control system of claim 1, wherein a gasket is disposed at the bottom of the screw hole.