CN218601723U

CN218601723U - Dynamic large-flow gas humidity control device

Info

Publication number: CN218601723U
Application number: CN202223019092.7U
Authority: CN
Inventors: 张波
Original assignee: Sichuan Laifeng Fluid Equipment Manufacturing Co ltd
Current assignee: Sichuan Laifeng Fluid Equipment Manufacturing Co ltd
Priority date: 2022-11-14
Filing date: 2022-11-14
Publication date: 2023-03-10
Anticipated expiration: 2032-11-14

Abstract

The utility model discloses a large-traffic gaseous humidity control device of developments, including air inlet and with the gas point, the air inlet UNICOM has first gas circuit and second gas circuit, air inlet one end UNICOM is kept away from in first gas circuit has the blender, be provided with the regulating part that is used for adjusting airflow on the second gas circuit in the second gas circuit, air inlet one end UNICOM is kept away from in the second gas circuit has humidification piece, be provided with between blender and the humidification piece both ends respectively with the third gas circuit of both UNICOMs, be provided with the fourth gas circuit of both ends and both UNICOMs between blender and the gas point. The utility model has the advantages that: the humidity of the standard gas can be adjusted accordingly, so that the standard gas with the required humidity can be obtained.

Description

Dynamic large-flow gas humidity control device

Technical Field

The utility model relates to a standard substance makes the field, concretely relates to large-traffic gaseous humidity control device of developments.

Background

Standard gas is the gas industry term. The standard substances are determination standards with uniform concentration, good stability and accurate values, have the basic functions of reproducing, storing and transmitting values, and are used for calibrating measuring instruments and measuring processes, evaluating the accuracy of measuring methods and the detection capability of detection laboratories, determining the characteristic values of materials or products, carrying out value arbitration and the like in the fields of physical, chemical, biological and engineering measurement.

When the standard gas is used for calibrating the instrument, the high-concentration standard gas is diluted into the low-concentration standard gas by using corresponding equipment to calibrate the instrument. In the prior art, the corresponding equipment mixes and dilutes the standard gas by dry diluent gas, and the obtained low-concentration standard gas is dry gas. If the instrument is calibrated with dry gas, measurement errors can result when the instrument is used to measure actual gas at a certain humidity.

Therefore, there is a need for a dynamic large-flow humidity control device for gas, which can adjust the humidity of the standard gas accordingly, so as to obtain the standard gas with the required humidity.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's is not enough, provides a big flow gas humidity control device of developments, can carry out corresponding regulation by standard gaseous humidity to obtain the standard gas of required humidity.

The purpose of the utility model is realized through the following technical scheme: the utility model provides a large-traffic gaseous humidity control device of developments, includes the air inlet and uses the gas point, the air inlet UNICOM has first gas circuit and second gas circuit, air inlet one end UNICOM is kept away from in first gas circuit has the blender, be provided with the regulating part that is used for adjusting air flow on the second gas circuit, air inlet one end UNICOM is kept away from to the second gas circuit has humidification piece, be provided with the third gas circuit of both ends respectively with both UNICOMs between blender and the humidification piece, the fourth gas circuit that is provided with both ends and both UNICOMs between blender and the gas point.

The regulating part is a flow proportional valve.

And a first filter for rough filtration and a second filter for fine filtration are arranged on the first air path.

And a first one-way valve enabling air flow to the humidifying piece from the air inlet is arranged on the second air path.

And a second one-way valve which enables the air flow to flow from the humidifying part to the mixer is arranged on the third air path.

The humidifying piece is a closed cavity, liquid is arranged in the closed cavity, the second air path end is located in the liquid, and the third air path end is located outside the liquid.

The constant temperature controller is used for enabling liquid in the sealed cavity to be in a constant temperature state all the time.

And a humidity sensor for detecting the humidity of the air flow on the fourth air path is arranged on the fourth air path.

The humidity sensor is internally provided with a signal transmitter, the regulating part is provided with a signal receiver for receiving a signal sent by the signal transmitter, the signal receiver is connected with a signal processor, and the signal processor is connected with a PID controller for controlling the regulating part.

The utility model has the advantages that: the air flow is divided through a first air path and a second air path, wherein the air flow of the second air path passes through the humidifying piece and is then remixed with the air flow of the first air path in the mixer, so that the dry air is converted into humidity air; the adjusting piece is adjusted, and the air flow proportion of the first air path and the second air path is controlled, so that humidity gas with required humidity content can be obtained.

Drawings

FIG. 1 is a schematic view of the present invention;

in the figure, 1-an air inlet, 2-an air point, 3-a first air path, 4-a second air path, 5-a mixer, 6-a flow proportional valve, 7-a closed cavity, 8-a third air path, 9-a fourth air path, 10-a first filter, 11-a second filter, 12-a first one-way valve, 13-a second one-way valve, 14-a thermostatic controller and 15-a humidity sensor.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the following description, the terms "left", "right", "upper", "lower", "front", "rear", "inner" and "outer" are relative to each other, and are not listed here.

A dynamic large-flow gas humidity control device, referring to fig. 1, comprises a gas inlet 1 and a gas consumption point 2. A first air path 3, a second air path 4, a third air path 8 and a fourth air path 9 are arranged between the air inlet 1 and the air using point 2.

The left end of the first air path 3 is communicated with the air inlet 1, and the right end is communicated with the mixer 5. The first air passage 3 is provided with a first filter 10 and a second filter 11. The first filter 10 is used for coarse filtering of the air flow passing through the first air path 3, and the second filter 11 is used for fine filtering of the air flow passing through the first air path 3.

The left end of the second air path 4 is communicated with the air inlet 1, and the right end of the second air path is communicated with the humidifying piece. The left end of the third air path 8 is communicated with the humidifying part, and the right end of the third air path is communicated with the mixer 5. The humidifying piece is used for humidifying the airflow on the second air path 4, and the airflow is sent into the third air path 8 after the humidification is finished. The humidifying element can be any commercially available humidifying device known to those skilled in the art. The humidifying element used in this embodiment is a closed cavity 7. The closed cavity 7 is internally provided with liquid with a certain height. The right end of the second gas path 4 is positioned in the liquid, and the right end of the third gas path 8 is positioned outside the liquid. When the air flow in the second air path 4 enters the liquid, the air flow passes through the liquid, carries the water vapor and enters the third air path 8, so that the air flow in the second air path 4 is successfully humidified.

The second air path 4 is provided with a first one-way valve 12 which enables air flow to flow from the air inlet 1 to the closed cavity 7. The third air passage 8 is provided with a second one-way valve 13 which enables air flow to flow from the closed cavity 7 to the mixer 5.

The second air path 4 is provided with an adjusting piece for adjusting the air flow on the second air path 4. For those skilled in the art, the adjusting member may be a solenoid valve, a flow proportional valve 6, etc., and the flow proportional valve 6 is adopted in the present embodiment.

The closed cavity 7 is arranged in the thermostatic control device 14, and the thermostatic control device 14 ensures that liquid in the closed cavity 7 is always in constant temperature. The operator may control the thermostatic control 14 to regulate the thermostatic temperature of the liquid.

The left end of the fourth gas path 9 is communicated with the mixer 5, and the right end is communicated with the gas using point 2. When dry gas is introduced into the gas inlet 1, the dry gas enters the first gas circuit 3 and is divided by the second gas circuit 4, and the gas flow on the second gas circuit 4 is processed by the humidifying part, so that the dry gas and the gas flow on the first gas circuit 3 are converged in the mixer 5 to form humidity gas. And passed together over gas application point 2.

A humidity sensor 15 is provided on the fourth air passage 9. The humidity sensor 15 detects the humidity level of the airflow on the fourth air path 9. The flow proportional valve 6 can be manually adjusted, and an operator can manually control the flow of the second air path 4 according to the display numerical value of the humidity sensor. In this embodiment, a signal transmitter is arranged in the humidity sensor 15, a signal receiver for receiving a signal sent by the signal transmitter is arranged on the flow proportional valve 6, the signal receiver is connected with a signal processor, and the signal processor is connected with a PID controller for controlling the regulating part. Humidity transducer 15 detects numerical value, and signal transmitter signals, and signal receiver receives corresponding signal to send it to signal processor and handle, signal processor handles the back of accomplishing, sends the instruction to the PID controller, thereby 6 opening sizes of control flow proportional valve, and then guarantee that the humidity gas humidity that produces is in stable numerical value all the time.

The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a large-traffic gaseous humidity control device of developments, includes air inlet (1) and uses gas point (2), its characterized in that, air inlet (1) UNICOM has first gas circuit (3) and second gas circuit (4), air inlet (1) one end UNICOM is kept away from in first gas circuit (3) has blender (5), be provided with the regulating part that is used for adjusting second gas circuit (4) air current flow on second gas circuit (4) on, air inlet (1) one end UNICOM is kept away from in second gas circuit (4) has the humidification piece, be provided with between blender (5) and the humidification piece third gas circuit (8) of both ends respectively with both UNICOMs, be provided with fourth gas circuit (9) of both ends and both UNICOMs between blender (5) and the gas point (2).

2. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: the regulating part is a flow proportional valve (6).

3. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: the first air path (3) is provided with a first filter (10) for rough filtration and a second filter (11) for fine filtration.

4. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: and the second air path (4) is provided with a first one-way valve (12) which enables air flow to flow from the air inlet (1) to the humidifying part.

5. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: and a second one-way valve (13) which enables air flow to flow from the humidifying piece to the mixer (5) is arranged on the third air path (8).

6. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: the humidifying piece is a closed cavity (7), liquid is arranged in the closed cavity (7), the end of the second air path (4) is located in the liquid, and the end of the third air path (8) is located outside the liquid.

7. A dynamic high flow gas humidity control device according to claim 6, characterized by: the constant-temperature control device is characterized by further comprising a constant-temperature controller (14), the closed cavity (7) is located in the constant-temperature controller (14), and the constant-temperature controller (14) is used for enabling liquid in the closed cavity (7) to be always in a constant-temperature state.

8. A dynamic high flow gas humidity control device as claimed in claim 1, wherein: and a humidity sensor (15) for detecting the humidity of the air flow on the fourth air path (9) is arranged on the fourth air path (9).

9. A dynamic high flow gas humidity control device as claimed in claim 8, wherein: the humidity sensor is characterized in that a signal transmitter is arranged in the humidity sensor (15), a signal receiver used for receiving signals sent by the signal transmitter is arranged on the adjusting piece, the signal receiver is connected with a signal processor, and the signal processor is connected with a PID controller used for controlling the adjusting piece.