CN217119823U - Clean dry gas generating device for disc laser - Google Patents

Abstract

The utility model discloses a clean dry gas generating device for disc laser, including the front end filter that communicates in proper order, air compressor, the gas holder, gaseous oil mist filter, prevent frosting the pipe, the particulate filter, gaseous desicator of diaphragm type and export governing valve, the front end filter is the outside air of inhaling under the air compressor effect, it is used for the prefilter outside air, the gas holder is used for saving prefilter outside air, gaseous oil mist filter is arranged in getting rid of the oil mist among the gas, prevent frosting the pipe and be used for drying gas, the particulate filter is arranged in the granule among the filtering gas, gaseous desicator of diaphragm type is used for reducing gaseous humidity, export governing valve adjusts the gaseous flow and the pressure of exit end, the gas of export governing valve output lets in the cavity environment that disc laser located. The utility model provides a clean dry gas generating device can accurate manufacturing required pressure and the clean dry air of flow, guarantees that the disc laser instrument is in during clean dry air all the time.

Description

Clean dry gas generating device for disc laser

Technical Field

The utility model relates to a clean dry gas generator technical field, in particular to a clean dry gas generator for disc laser.

Background

The laser needs a dust-free and dry cavity environment in a high-power operation state, and once internal air pollution occurs, damage to the laser is fatal, and individual or even all optical lenses in the cavity can be disabled and damaged. At present, the mode of only adopting a closed laser cavity is generally adopted to isolate the external polluted environment. However, this method has two problems:

(1) aging of the seal: as the sealing device is aged, the sealing performance of the cavity is affected, and once the sealing performance is damaged, the inside of the laser cavity is polluted by the outside air due to the pressure difference generated by the temperature difference between the cavity and the outside.

(2) Difficulty of maintenance: because the sealing structure in the laser cannot be opened for direct maintenance, the cavity can only be placed in a clean air environment for after-sale maintenance, which increases the maintenance time and cost.

Therefore, the laser needs to be a new protection device to ensure the cleanness of the surrounding environment, and the existing gas generator has low cleanness degree, is easy to leave dust and water vapor, cannot accurately manufacture clean dry gas with required pressure and flow, has low intelligent regulation degree and cannot perform autonomous monitoring.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the prior art, the utility model provides a clean dry gas generating device for disc laser, technical scheme is as follows:

the utility model provides a clean dry gas generating device for disc laser, clean dry gas generating device is arranged in making the disc laser be in clean dry gas environment, clean dry gas generating device includes front end filter, air compressor, gas holder, gaseous oil mist filter, prevent frosting pipe, particulate filter, membrane gas desicator and the outlet control valve that communicates in proper order, the front end filter is in outside air is inhaled under the air compressor effect, it is used for prefiltering outside air, the gas holder is used for storing prefiltered outside air, gaseous oil mist filter is used for getting rid of the oil mist in the gas, prevent frosting pipe is used for the drying gas, particulate filter is used for filtering the granule in the gas, membrane gas desicator is used for reducing gas humidity, the outlet control valve is used for adjusting the flow and the pressure of exit end gas, and the gas output by the outlet regulating valve is introduced into the cavity environment where the disc laser is positioned.

Further, the outlet regulating valve includes a pressure regulating valve for regulating the outlet pressure of the gas and a flow regulating valve for regulating the outlet flow of the gas.

Further, the clean and dry gas generating device further comprises a controller, the outlet regulating valve is an electric control valve, the controller is electrically connected with the outlet regulating valve and the air compressor, the air compressor is preset with output power corresponding to the valve opening of the outlet regulating valve, and the controller is used for regulating the air compressor to the preset output power according to the valve opening of the outlet regulating valve.

Further, the clean and dry gas generating device further comprises a flow pressure gauge, wherein the flow pressure gauge is arranged at the outlet regulating valve and used for detecting the gas pressure and flow at the outlet regulating valve.

Furthermore, the clean and dry gas generating device also comprises an alarm, the flow pressure gauge is an electronic flow pressure gauge, and the controller is electrically connected with the alarm and the electronic flow pressure gauge; and when the difference value between the value detected by the electronic flow pressure meter and the regulating value of the outlet regulating valve exceeds a preset range, the controller controls the alarm to give an alarm.

Further, the particle filter comprises an activated carbon filter and/or a micro-particle filter, the activated carbon filter is used for removing hydrocarbon, and the micro-particle filter is used for filtering 99% -99.99% of particles, so that the concentration of the filtered particles meets the hundred-grade cleanliness standard.

Furthermore, the membrane type gas dryer is provided with an air inlet, an air outlet, a back flushing inlet and a back flushing outlet, a hollow fiber membrane used for separating water vapor is arranged inside the membrane type gas dryer, air output by the particle filter sequentially passes through the air inlet, the hollow fiber membrane and the air outlet and then is output, and a part of gas output by the air outlet is input into the back flushing inlet as back flushing gas so as to lead out the water vapor separated by the hollow fiber membrane from the back flushing outlet.

Furthermore, the gas oil mist filter comprises an air filter, an oil mist separator and a micro mist separator, and the air output by the air storage tank sequentially passes through the air filter, the oil mist separator and the micro mist separator and then enters the anti-frosting pipe.

Further, the anti-frosting pipe is a molecular film type gas drying pipe.

Further, the air compressor is a micro oil-free air compressor.

The utility model provides a beneficial effect that technical scheme brought as follows:

a. clean and dry air with required pressure and flow can be accurately manufactured, and the disc laser is always kept in the clean and dry air;

b. the device is convenient to assemble, simple to operate and suitable for mass production.

Drawings

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

Fig. 1 is a schematic structural diagram of a front-end filter of a clean dry gas generator for a disk laser according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an air compressor of a clean dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a gas storage tank of a clean and dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a gas oil mist filter of a clean and dry gas generation device for a disc laser according to an embodiment of the present invention;

fig. 5 is a schematic diagram of an anti-frosting structure of a clean dry gas generator for a disk laser according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a particle filter of a clean dry gas generator for a disk laser according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of an appearance of a film gas dryer of a clean and dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a front face of a film gas dryer of a clean dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 9 is a schematic cross-sectional structural diagram of a film gas dryer of a clean dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 10 is a schematic diagram of a gas flow principle of a film gas dryer of a clean dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 11 is a schematic structural diagram of a pressure gauge of a clean dry gas generation device for a disk laser according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a pressure regulating valve of a clean and dry gas generator for a disk laser according to an embodiment of the present invention;

fig. 13 is a schematic structural diagram of a flow control valve of a clean dry gas generator for a disk laser according to an embodiment of the present invention;

fig. 14 is a schematic structural diagram of a flow meter of a clean and dry gas generator for a disk laser according to an embodiment of the present invention;

fig. 15 is a schematic structural view of an air flow path of a clean dry gas generator for a disk laser according to an embodiment of the present invention;

wherein the reference numerals are as follows: 1-a front-end filter, 2-an air compressor, 3-an air storage tank, 4-an air filter, 5-an oil mist separator, 6-a micro mist separator, 7-an anti-frosting pipe, 8-an activated carbon filter, 9-a micro particle filter, 10-a membrane type gas dryer, 11-a pressure gauge, 12-a pressure regulating valve, 13-a flow regulating valve, 14-a flowmeter, 15-a shell and 16-a hollow fiber membrane.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of 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, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, apparatus, article, or device that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or device.

The utility model discloses an embodiment provides a clean dry gas generating device for disc laser, clean dry gas generating device is arranged in making the disc laser be in clean dry gas environment, refers to figure 1 to figure 7, clean dry gas generating device is including the front end filter 1, air compressor 2, gas holder 3, gaseous oil mist filter, prevent frosting pipe 7, particulate filter, diaphragm type gas dryer 10 and the outlet control valve that communicate in proper order, and outside air passes through front end filter 1, air compressor 2, gas holder 3, gaseous oil mist filter, prevents frosting pipe 7, particulate filter, diaphragm type gas dryer 10 and outlet control valve in proper order with output clean dry gas.

The front-end filter 1 sucks in outside air by the air compressor 2, which is used for preliminarily filtering the outside air; the air compressor 2 is a micro oil-free air compressor to avoid polluting surrounding air to be sucked, the primarily filtered air is changed into compressed air with the temperature of about 50 ℃ under the action of the air compressor 2, the compressed air enters the air storage tank 3 through long-distance condensation to be changed into air-water mixed gas, the gas-water mixed gas is output through the gas oil mist filter, the gas oil mist filter is a gas filtering triple piece and comprises an air filter 4, an oil mist separator 5 and a micro mist separator 6, the air output by the air storage tank 3 sequentially passes through the air filter 4, the oil mist separator 5 and the micro mist separator 6 to remove liquid water, oil stains and larger dust and then enters the anti-frosting pipe 7, the anti-frosting pipe 7 further performs humidity exchange on the incoming compressed air and the surrounding air, and therefore the outgoing gas at the moment is ensured not to be condensed, and then enters the particulate filter, which comprises an activated carbon filter 8 and a particulate filter 9, wherein the gas passes through the activated carbon filter 8 to remove most (for example, more than 99%) of the hydrocarbon, passes through the particulate filter 9 to ensure that the particle concentration of the gas discharged meets the cleanliness standard of hundred grades, and then passes through a membrane gas dryer 10 to ensure that the humidity of the gas discharged is reduced to below 2%; after the treatment, the flow and the pressure of the gas at the outlet end are adjusted by the outlet adjusting valve, and the gas is changed into clean dry air suitable for the cavity of the laser and is led into the cavity environment where the disc laser is located. And the gas output by the outlet regulating valve directionally circulates in the cavity environment where the disc laser is positioned. It should be noted that the cavity environment can be totally enclosed or not totally enclosed, clean dry gas generating device will produce clean dry gas from cavity environment one end input, in order to guarantee that the gas quality in the cavity environment is up to standard, static gas environment can't keep long-time clean, need periodic replacement, so furtherly, the clean dry gas of input can also flow out from the cavity environment other end, form the change that flows, in order to guarantee that there is the gas environment up to standard of developments in the cavity environment, be convenient for further guarantee the long-term clean dry of gas in the cavity environment.

The anti-frosting pipe 7 is a molecular film type gas drying pipe, water molecules in the compressed air can be removed, and the water molecules can permeate the air through the drying pipe, so that the compressed air is prevented from being condensed after passing through the drying pipe, and the effect of rear-end equipment is ensured.

In an embodiment of the utility model, clean dry gas generator still includes the controller, the export governing valve is automatically controlled valve, the controller with the export governing valve with 2 electricity of air compressor are connected, air compressor 2 have preset with the output that the valve aperture of export governing valve corresponds, the controller be used for according to the valve aperture of export governing valve will air compressor 2 transfers to predetermineeing output. For example, the valve opening of the outlet regulating valve is set to be three openings, namely, low, medium and high, the air compressor 2 is correspondingly set to be three power gears, and when the valve opening of the outlet regulating valve is the low opening, the controller correspondingly regulates the output power of the air compressor 2 to be the low power, so that the outlet regulating valve can stably output a certain air volume.

The clean and dry gas generating device also comprises an alarm, the flow pressure gauge is an electronic flow pressure gauge, and the controller is electrically connected with the alarm and the electronic flow pressure gauge; the numerical value that electron flow pressure table detected with the regulation and control numerical value information of export governing valve all can export for the controller, works as the numerical value that electron flow pressure table detected with when the regulation and control numerical value difference of export governing valve surpassed preset range, the controller control the siren sends the police dispatch newspaper, at this moment, the numerical value that electron flow pressure table detected is less than during the regulation and control numerical value difference of export governing valve, remind the staff clean dry gas generating device has the risk of gas leakage for actual air supply volume is not enough.

In an embodiment of the utility model, refer to fig. 8 to 10, be equipped with the air inlet on the shell 15 of membrane type gas dryer 10, gas outlet, blowback entry and blowback export, the inside hollow fiber membrane 16 that is used for separating vapor that is equipped with of membrane type gas dryer 10, the air of particulate filter output exports after air inlet, hollow fiber membrane and gas outlet in proper order, some gas of gas outlet output is as the gaseous input of blowback the blowback entry, with will the vapor that the hollow fiber membrane separates is followed the blowback export is derived. Specifically, after the humid air enters the membrane type gas dryer 10, water molecules can permeate the hollow fiber membrane to the outer wall, so that the air humidity of the air outlet is reduced, relatively dry air coming out of the air outlet enters the dryer from the blowback inlet, the outer wall of the hollow fiber membrane is blown and swept, water vapor permeating from the hollow fiber membrane is taken away, the relative concentration of the water vapor on the outer wall of the hollow fiber membrane is further reduced, and after a period of circulation, the coming-out dry air can be stabilized below 2%.

In an embodiment of the present invention, referring to fig. 11 to 14, the outlet regulating valve includes a pressure regulating valve 12 and a flow regulating valve 13 to realize different gas transmission requirements of the staff, the pressure regulating valve 12 is used for regulating the outlet pressure of the gas to realize constant pressure gas transmission, and the flow regulating valve 13 is used for regulating the outlet flow of the gas to realize constant pressure gas transmission; correspondingly, clean dry gas generator still includes flow pressure table, flow pressure table includes manometer 11 and flowmeter 14, the manometer sets up pressure regulating valve department, the flowmeter sets up flow regulating valve department, the gas of membrane gas desicator 10 output exports after manometer 11, pressure regulating valve 12, flow regulating valve 13 and flowmeter 14 in proper order.

When the clean dry gas generating device is used, referring to fig. 15, air sequentially passes through a front-end filter 1, an air compressor 2, an air storage tank 3, an air filter 4, an oil mist separator 5, a micro mist separator 6, an anti-frosting pipe 7, an activated carbon filter 8, a micro particle filter 9, a membrane gas dryer 10, a pressure gauge 11, a pressure regulating valve 12, a flow regulating valve 13 and a flow meter 14 to obtain clean dry gas.

The utility model provides a clean dry gas generating device for disc laser can guarantee that the disc laser is always in clean dry air for the clean dry air of accurate manufacturing required pressure and flow, possesses intelligent control regulation and autonomous alarm function; the device is convenient to assemble, simple to operate and suitable for mass production.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (10)

1. The utility model provides a clean dry gas generating device for disc laser, its characterized in that, clean dry gas generating device is arranged in making the disc laser be in clean dry gas environment, clean dry gas generating device is including front end filter (1), air compressor (2), gas holder (3), gaseous oil mist filter, prevent frosting pipe (7), particulate filter, diaphragm gas dryer (10) and the outlet control valve that communicate in proper order, outside air is inhaled under air compressor (2) in front end filter (1), it is used for prefiltering outside air, gas holder (3) are used for storing prefiltering outside air, gaseous oil mist filter is used for getting rid of the oil mist in the gas, prevent frosting pipe (7) are used for dry gas, particulate filter is used for filtering the granule in the gas, the film type gas dryer (10) is used for reducing the humidity of gas, the outlet regulating valve is used for regulating the flow and pressure of outlet end gas, and the gas output by the outlet regulating valve is introduced into the cavity environment where the disc laser is located.

2. The clean dry gas generation device according to claim 1, wherein the outlet regulating valve comprises a pressure regulating valve (12) and a flow regulating valve (13), the pressure regulating valve (12) is used for regulating the outlet pressure of the gas, and the flow regulating valve (13) is used for regulating the outlet flow of the gas.

3. The clean dry gas generator according to claim 1, further comprising a controller, wherein the outlet regulating valve is an electrically controlled valve, the controller is electrically connected to the outlet regulating valve and the air compressor (2), the air compressor (2) is preset with an output power corresponding to a valve opening of the outlet regulating valve, and the controller is configured to adjust the air compressor (2) to the preset output power according to the valve opening of the outlet regulating valve.

4. The clean dry gas generator of claim 3, further comprising a flow pressure gauge disposed at the outlet regulating valve for detecting the gas pressure and flow at the outlet regulating valve.

5. The clean dry gas generator of claim 4, further comprising an alarm, wherein the flow pressure gauge is an electronic flow pressure gauge, and the controller is electrically connected to the alarm and the electronic flow pressure gauge; and when the difference value between the value detected by the electronic flow pressure meter and the regulating value of the outlet regulating valve exceeds a preset range, the controller controls the alarm to give an alarm.

6. A clean dry gas generator according to claim 1, characterized in that the particle filter comprises an activated carbon filter (8) and/or a micro particle filter (9), the activated carbon filter (8) is used for removing hydrocarbons, and the micro particle filter (9) is used for filtering 99% -99.99% of particles, so that the concentration of the filtered particles meets the cleanliness standard of hundred.

7. The clean dry gas generation device according to claim 1, wherein the membrane gas dryer (10) is provided with an air inlet, an air outlet, a back-blowing inlet and a back-blowing outlet, the membrane gas dryer (10) is internally provided with a hollow fiber membrane (16) for separating water vapor, the air output by the particulate filter passes through the air inlet, the hollow fiber membrane (16) and the air outlet in sequence and is output, and a part of the gas output by the air outlet is input into the back-blowing inlet as back-blowing gas so as to lead out the water vapor separated by the hollow fiber membrane (16) from the back-blowing outlet.

8. The clean dry gas generator according to claim 1, wherein the gas oil mist filter comprises an air filter (4), an oil mist separator (5) and a micro mist separator (6), and the air output from the air storage tank (3) sequentially passes through the air filter (4), the oil mist separator (5) and the micro mist separator (6) and then enters the anti-frosting pipe (7).

9. The clean dry gas generator according to claim 1, wherein the anti-frost pipe (7) is a molecular film type gas drying pipe.

10. A clean dry gas generator according to claim 1, characterized in that the air compressor (2) is a micro oil-free air compressor.

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