CN113686787B - Filtering pool packaging structure and packaging process - Google Patents
Filtering pool packaging structure and packaging process Download PDFInfo
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- CN113686787B CN113686787B CN202110930892.5A CN202110930892A CN113686787B CN 113686787 B CN113686787 B CN 113686787B CN 202110930892 A CN202110930892 A CN 202110930892A CN 113686787 B CN113686787 B CN 113686787B
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- G—PHYSICS
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J3/00—Spectrometry; Spectrophotometry; Monochromators; Measuring colours
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- G01J3/0202—Mechanical elements; Supports for optical elements
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Abstract
The invention discloses a filter tank packaging structure and a filter tank packaging process, comprising a conveying device; the conveying device is connected with the communication port of the filtering pool and is used for conveying high-concentration standard gas in the filtering pool; an exhaust device; the exhaust device is connected with the communication port of the filtering pool and is used for exhausting the gas in the filtering pool so as to facilitate the entry of the high-concentration standard gas; the flow path switching control piece is connected with the conveying device and the exhaust device and is used for switching the gas conveying device to convey high-concentration standard gas and/or switching the exhaust device to discharge original gas in the filtering pool; the sealing device is arranged at the communication port of the filtering pool and is used for sealing the filtering pool filled with the high-concentration standard gas, and the sealing device has the effect of avoiding the body damage caused by the inhalation of workers due to the leakage of the high-concentration standard gas caused by manual exhaust and inflation.
Description
Technical Field
The invention relates to the technical field of environment optical detection, in particular to a filter tank packaging structure, and in addition, the invention further comprises a packaging process applied to the filter tank packaging structure.
Background
In the field of environmental optical monitoring, we generally measure the concentration of a polluted gas by using an ultraviolet/infrared absorption spectrum method, and the light absorption spectrum is characterized in that in the same wavelength band range, the gas with absorption characteristics is often not just one type, for example, the light source is a spectrum emitted by a deuterium lamp, a xenon lamp or an infrared light source, and the number of the gases which can be absorbed by the light source and are required for clear monitoring is ten.
In order to achieve accurate monitoring, the gas to be measured is as little affected by the interfering gas as possible, and to achieve this, we generally have the following solutions: 1. the optical filter is added, the optical filter allows the absorption spectrum of the gas to be measured to pass as much as possible and allows the spectrum of the interference gas to pass as little as possible, so that the purpose of single strength is realized, the defects of the optical filter are that the transmittance of certain wave bands is not high, the half-wave width is large (for certain gas to be measured, the absorption of the interference gas still exists), the OD value is small (when the gas concentration of other characteristic strength is high, the measurement is influenced), and the defects are gradually improved along with the continuous improvement of a coating process; 2. the interference gas in the gas to be detected is removed by a physical or chemical method, so that the purpose of single gas is realized (for some special gases, a proper method cannot be found to remove the interference gas); 3. the light source is firstly passed through the gas filtering tank to be detected, so that the light spectrum passing through the gas has no intensity to be absorbed by the gas to be detected, the absorption intensity of other interference gases is calculated, then the light source is switched to the nitrogen filtering tank, the intensity of the interference gas is deducted from the absorption intensity at the moment, and the correlation value of the absorption intensity of the gas to be detected (the absorption rate of the filtering tank to the light intensity is a constant value) can be obtained.
Aiming at the defects in the prior art, the invention provides a packaging structure of a filter tank, which is used for solving the technical problem that the filling and sealing of the existing high-concentration standard gas are difficult.
Disclosure of Invention
The invention provides a filter tank packaging structure, which aims to solve the technical problem that the conventional filter tank is difficult to fill and seal high-concentration standard gas.
According to an aspect of the present invention, there is provided a filter cell package structure including: the device comprises a filtering tank, a conveying device, an exhaust device, a flow path switching control piece and a sealing device; at least one communication port is arranged on the filtering pool,
The communication port is communicated with the conveying device and the exhaust device in an on-off mode through a flow path switching control piece;
The conveying device (1) is communicated with the communication port (5) to form a gas conveying channel so as to convey high-concentration standard gas into the filtering pool;
The exhaust device (2) is communicated with the communication port (5) to form an exhaust channel so as to exhaust the gas in the filtering pool and facilitate the entry of high-concentration standard gas;
The sealing device is arranged at the communication port and the communication port of the filtering pool, the communication port is arranged outside the filtering pool, the communication port and the communication port are arranged in the communication port, and the sealing device is used for sealing the filtering pool filled with high-concentration standard gas.
Through adopting above-mentioned technical scheme, when carrying out the packing of high concentration standard gas in the filtering pond, through being connected exhaust apparatus with the filtering pond, after the original gaseous discharge in the filtering pond through exhaust apparatus, open conveyor, carry out the transport of high concentration standard gas in the filtering pond through gas storage device, can judge whether the high concentration standard gas in the filtering pond is full through exhaust and inflated number of times, and seal the filtering pond through sealing device after the high concentration standard gas in the filtering pond is filled completely, when carrying out high concentration standard gas to the filtering pond and filling sealedly, through each part device cooperation use, accomplish the automatic packing of filtering pond, when carrying out the sealing of filtering pond, have and avoid artifical exhaust to aerify and cause high concentration standard gas to reveal and cause the workman to inhale the effect that causes the health to damage.
Further, conveyor includes the gas holder, the gas holder is used for splendid attire high concentration standard gas, the opening part of gas holder through the flow path switching control piece with the communication port intercommunication in filtering pond, the opening part of gas holder is provided with output, output is used for adjusting the output atmospheric pressure and the speed of high concentration standard gas so that the high concentration standard gas filling in the filtering pond is stable goes on.
Through adopting above-mentioned technical scheme, carry out the gas storage to high concentration standard gas through the gas holder, ensure the stability of high concentration standard gas, when carrying out the transmission of high concentration standard gas in the filtering pond, the output transmission to the filtering pond of high concentration standard gas in the gas holder along gas holder opening part in, avoid the atmospheric pressure of high concentration standard gas in the gas holder to lead to the inside and outside pressure difference of filtering pond too big under the regulation of output so that the filtering pond intussuseption is filled with high concentration standard gas and is led to the inside and outside pressure difference of filtering pond too big, thereby cause the inside and outside atmospheric pressure of filtering pond unstable, there is the use defect.
Further, the output part comprises a pressure regulating valve, the pressure regulating valve is arranged at the opening of the air storage tank, and the pressure regulating valve is communicated with the communication port of the filtering tank through a flow path switching control piece and transmits high-concentration standard air.
Through adopting above-mentioned technical scheme, output is provided with the air-vent valve, because the high concentration standard gas in the gas holder is stored in the gas holder through the compression, when carrying out the transmission, the atmospheric pressure of high concentration standard gas is too big, can lead to the filter pond inside and outside pressure differential too big in the transmission to the filter pond, can lead to the filter pond unstable when using the filter pond, reduces the atmospheric pressure of discharging high concentration standard gas through the air-vent valve of gas holder opening part for the inside and outside atmospheric pressure differential in filter pond reduces when high concentration standard gas gets into the filter pond.
Further, the exhaust device comprises a power pump, the power pump is communicated with the communication port of the filtering pool through a flow path switching control piece, and the power pump is used for pumping original gas in the filtering pool.
Through adopting above-mentioned technical scheme, connect the power pump at the intercommunication mouth of filtering pond, when exhausting to the power pump, thereby through with the external power of power pump to the filtering pond exhaust, the exhaust work efficiency of filtering pond that has improved.
Further, the filtering tank is further provided with a detection device, the detection device is used for monitoring whether the filtering tank is full of high-concentration standard gas or not, the detection device comprises a light source and a detector, the light source and the detector are arranged in a symmetrical mode along the filtering tank, and the light source irradiates the high-concentration standard gas in the filtering tank and feeds back the intensity to the detector so as to monitor whether the filtering tank is full of the high-concentration standard gas or not.
Through adopting above-mentioned technical scheme, when monitoring the interior high concentration standard gas of filtering pond, shine the gas in the filtering pond through the light source, feed back the gas strength in the filtering pond to the detector on, treat the monitoring of intensity signal through the detector when the gas intensity signal in the filtering pond is stable unchanged, then the high concentration standard gas has been full of the filtering pond, and then accomplish the packing of the high concentration standard gas of filtering pond, have the effect of automatic packing and accurate packing, avoided the manual filling to cause the high concentration standard gas to reveal by the manual inhalation cause the condition emergence of damage.
Further, sealing device includes the sealing strip, the sealing strip sets up in the intercommunication mouth department of filtering pond, the sealing strip is used for carrying out the intercommunication mouth department of melting sealed filtering pond when the high concentration standard gas is full of in the filtering pond.
Through adopting above-mentioned technical scheme, sealing device includes the sealing strip, when accomplishing the exhaust in filtering pond and aerifing, through the sealing strip heating melting with the intercommunication mouth in filtering pond sealed, accomplish the sealing in filtering pond, and through the fusion seal of sealing strip for the sealed effect in filtering pond improves, avoids the high concentration mark gas in the filtering pond to reveal.
Further, the flow path switching control piece comprises a three-way electromagnetic valve, a first connecting end of the three-way electromagnetic valve is communicated with the power pump, a second connecting end of the three-way electromagnetic valve is communicated with the pressure regulating valve, and a third connecting end of the three-way electromagnetic valve is connected with a communicating port of the filtering pool.
Through adopting above-mentioned technical scheme, connect power pump and air-vent valve through three solenoid valve, when exhausting in to the filtering pond, open and close the exhaust and the air inlet of control filtering pond through three solenoid valve for the high concentration standard gas in filtering pond fills and carries out accurate control, fills high concentration standard gas through the intensity signal feedback of detector, avoids high concentration standard gas to fill excessively and leads to high concentration standard gas waste, and can automatic control exhaust and aerify through three solenoid valve, has improved work efficiency.
Further, a flow speed control unit is arranged at the joint of the three-way electromagnetic valve and the communication port of the filtering pool, the flow speed control unit comprises a flow valve, and the flow valve is connected between the three-way electromagnetic valve and the communication port.
Through adopting above-mentioned technical scheme, through set up the velocity of flow control unit in the junction of three solenoid valve and intercommunication mouth, set up the velocity of flow control unit into the flow valve, when carrying out the exhaust to the original gas in the filtering pond, through the flow valve control filtering pond in original gas exhaust velocity of flow, the inside and outside atmospheric pressure of filtering pond is adjusted for high concentration standard gas stably gets into.
According to another aspect of the present invention, there is provided a packaging process comprising:
step 1: connecting a communication port of the filter tank with a conveying device and/or a connecting exhaust device through a flow path switching control piece;
Step 2: regulating the secondary output pressure of the high-concentration standard gas in the conveying device to be not higher than 0.01Mpa;
step 3: the switching filter tank communication port is communicated with the exhaust device and is used for exhausting;
step 4: closing the exhaust device, switching the communication port of the filtering pool to be communicated with the conveying device, and conveying the high-concentration standard gas;
step 5: the communicating opening is clamped by the pipe tongs, the communicating opening is disconnected with the conveying device and/or the exhaust device, and the communicating opening is sealed by the sealing device, so that the filter tank is packaged.
By adopting the technical scheme, when the filtering pool is filled with the high-concentration standard gas, the filtering pool is connected with the conveying device and/or the connecting exhaust device through the flow path switching control piece by the communication port of the filtering pool; the output pressure of the conveying device is regulated to be not higher than 0.01Mpa, the filter tank is communicated with the exhaust device through switching, the exhaust device is controlled to be closed, the communication port of the filter tank is communicated with the conveying device, and the high-concentration standard gas is conveyed; after the filter tank is exhausted and inflated for a set number of times, the filter tank is automatically filled with high-concentration standard gas, the communication port is clamped by the pipe tongs, and the sealing strip is heated, melted and sealed to complete the filling and sealing of the high-concentration gas of the filter tank.
Further, the operations of step 3 and step 4 are repeated before step 5 so that the gas in the filtering tank is exhausted completely and the filtering tank is filled with the high-concentration standard gas.
By adopting the technical scheme, the operations of the step 3 and the step 4 are repeated before the step 5, and the original gas in the filtering pool is completely discharged through multiple times of exhausting and charging, so that the purity of the high-concentration standard gas in the filtering pool is improved.
The invention has the following beneficial effects:
When the filtering tank packaging structure fills high-concentration standard gas, the third connecting end connected with the filtering tank and the first connecting end connected with the power pump are opened through the three-way electromagnetic valve, original gas in the filtering tank is discharged through external power of the power pump, the high-concentration standard gas is filled through signal feedback of the detector, after the gas in the filtering tank is discharged, the second connecting end connected with the pressure regulating valve on the air storage tank and the third connecting end connected with the communicating port of the filtering tank are opened through switching of the three-way electromagnetic valve, the filtering tank is filled with the high-concentration standard gas through the air storage tank, the intensity signal of the high-concentration standard gas is filled in the filtering tank is monitored in real time through the detector, the filling condition of the high-concentration standard gas in the filtering tank is judged, the sealing strip is sealed through high-temperature heating of the communicating port and the three-way electromagnetic valve after the filling of the high-concentration standard gas in the filtering tank is completed, and the packaging of the filtering tank is completed.
In addition to the objects, features and advantages described above, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a schematic view of the overall structure of a preferred embodiment of the present invention;
fig. 2 is a flow chart of the packaging process of the present invention.
Legend description:
1. A conveying device; 11. a gas storage tank; 111. an output unit; 1111. a pressure regulating valve; 2. an exhaust device; 21. a power pump; 3. a detection device; 31. a light source; 32. a detector; 4. a sealing device; 41. a sealing strip; 5. a communication port; 51. a three-way electromagnetic valve; 52. a flow rate control unit; 521. a flow valve.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be practiced in a number of different ways, as defined and covered below.
Example 1
As shown in fig. 1 and fig. 2, the embodiment discloses a filtering pool packaging structure, which comprises a filtering pool, a conveying device 1, an exhaust device 2, a flow path control member and a sealing device 4, wherein a communication port is arranged on the filtering pool, and the communication port is communicated with the conveying device and the exhaust device in an on-off manner through the flow path switching control member so as to form a gas conveying channel and/or an exhaust channel, thereby realizing the conveying of high-concentration standard gas by the gas conveying device and/or the discharge of original gas in the filtering pool by the exhaust device; the sealing device 4 is arranged in the communication port 5, and the sealing device 4 is used for sealing the filtering pool filled with the high-concentration standard gas.
Specifically, before sealing the filtering pond, the communication port is communicated with the conveying device and the exhaust device in an on-off mode through the flow path switching control piece, under the control of the flow path control piece, the communication port is communicated with the exhaust device 2 to form an exhaust channel, original gas in the filtering pond is discharged, the communication port is communicated with the conveying device to form a gas conveying channel, and high-concentration standard gas is conveyed to the filtering pond. After the filtering pool is exhausted and inflated for a set number of times, the filtering pool is filled with high-concentration standard gas, and a communication port 5 of the filtering pool is sealed through a sealing device 4, so that the packaging of the filtering pool is completed. Through the structure, the full-automatic filling of the high-concentration standard gas in the filtering tank can be realized, manual intervention is not needed, and the condition that the human operation possibly sucks the high-concentration standard gas to cause body damage is avoided.
Preferably, the filter tank packaging structure further comprises a detection device 3, the detection device 3 detects the gas in the filter tank, the gas concentration in the filter tank is monitored, the original gas in the filter tank is ensured to be discharged through the real-time monitoring of the detection device 3, the high-concentration standard gas is conveyed through the conveying device 1, the high-concentration standard gas is fed back through the detection device 3, after the high-concentration standard gas is filled in the filter tank and the gas concentration in the filter tank is stable, the high-concentration standard gas in the filter tank is filled, the communication port 5 of the filter tank is sealed through the sealing device 4, and the packaging of the filter tank is completed. The full-automatic filling of the filtering pool with the high-concentration standard gas and detection are realized. Through detection device's setting, but real-time supervision filtering pond's filling condition, when the signal stability that detects, indicate that the filtering ripples are full of completely, then stop to continue to exhaust and aerify the filtering pond, so, improved filtering pond filling efficiency and effect.
As a modification of this embodiment, when two communication ports are provided in the filtering tank, one communication port is connected with the gas storage device to serve as an input port of the filtering tank to deliver high-concentration standard gas, and the other communication port is connected with the exhaust device to serve as an output port of the filtering tank to exhaust gas, thereby exhausting and filling high-concentration standard gas in the filtering tank. The filtering pool is provided with three or more communication ports, the filtering pool is sealed, redundant communication ports are packaged, one or two communication ports are reserved, the rest communication ports are sealed, and the filtering pool is exhausted, high-concentration standard gas is filled and the filtering pool is packaged according to the packaging technology.
Referring to fig. 1 and 2, the conveying device 1 includes a gas tank 11, a high-concentration standard gas is disposed in the gas tank 11, and the high-concentration standard gas is communicated with a communication port of the filter tank through a flow path switching control member via an opening of the gas tank 11. In order to avoid that the high concentration standard gas in the gas storage tank 11 is unstable in filling due to different air pressures inside and outside the filtering tank caused by overlarge air pressure when entering the filtering tank, an output part 111 is arranged at the opening of the gas storage tank 11, the output part 111 comprises a pressure regulating valve 1111, the gas storage tank 11 is connected with the gas inlet end of the pressure regulating valve 1111, the gas outlet end is communicated with the communication port of the filtering tank through a flow path switching control piece, and when the high concentration standard gas is filled, the output pressure of the high concentration standard gas is controlled through the pressure regulating valve 1111 to stably convey the high concentration standard gas into the filtering tank.
Referring to fig. 1 and 2, the exhaust device 2 includes a power pump 21, the power pump 21 is disposed on one side of the filtering tank, the power pump 21 is communicated with a communication port of the filtering tank through a flow path switching control piece, original gas in the filtering tank is pumped out through external power operation of the power pump 21, and after the original gas in the filtering tank is pumped out, the filtering tank is filled with high-concentration standard gas through the gas storage tank 11.
Referring to fig. 1 and 2, the detection device 3 includes a light source 31 disposed at one side of the filtering tank and a detector 32 symmetrically distributed with the light source 31, when detecting the gas in the filtering tank, the light source 31 irradiates the gas in the filtering tank to feed back an intensity signal to the detector 32, and the stability of the intensity signal on the detector 32 is used to determine whether the high concentration standard gas in the filtering tank is completely filled, so that the high concentration standard gas in the filtering tank can be intuitively known to be completely filled under the condition that the intensity signal of the gas in the filtering tank is unchanged.
Referring to fig. 1 and 2, the sealing device 4 includes a sealing strip 41, the sealing strip 41 is disposed in the communication port 5 on the filtering tank, and the sealing strip 41 is made of a material that has a low melting point and does not react with the standard gas, such as a solder wire. When the intensity signal of the high-concentration standard gas on the detector 32 is stable, namely the high-concentration standard gas in the filtering pool is completely filled, the high-concentration standard gas is prevented from leaking by clamping the communication port 5, the sealing strip 41 is heated, melted and filled in the communication port 5 to seal the communication port 5, so that the filtering pool is filled with the high-concentration standard gas, and the sealing of the filtering pool is completed.
Referring to fig. 1 and 2, in order to facilitate gas discharge in the filter tank and filling of high concentration standard gas, a flow path switching control member is arranged at the communication port 5 of the filter tank, the flow path switching control member comprises a three-way electromagnetic valve 51, a first connection end of the three-way electromagnetic valve 51 is connected with a power pump 21, a second connection end is connected with a pressure regulating valve 1111 at the opening of a gas storage tank 11, a third connection end is connected with the communication port 5 of the filter tank, the first connection end and the third connection end are opened when gas is discharged, the gas in the filter tank is absorbed and discharged through the power pump 21, whether the gas in the filter tank is discharged completely can be intuitively obtained by observing whether a signal in a detector 32 under a light source 31 changes, the second connection end and the third connection end are communicated with each other to perform filling of high concentration standard gas, and then whether the high concentration standard gas in the filter tank is filled or not is judged according to strength signal feedback of the high concentration standard gas under the light source 31 on the detector 32. The three-way electromagnetic valve 51 is connected with the air storage tank 11 and the power pump 21 to realize automatic air discharge and inflation, so that the high-concentration standard gas filling efficiency of the filtering pool is improved.
Referring to fig. 1 and 2, a flow rate control unit 52 is arranged at the joint of the communication port 5 and the three-way electromagnetic valve 51, and the flow rate of exhaust is controlled by the flow rate control unit 52, so that the air pressure change in the filtering tank is controlled, and the unstable filling of high-concentration standard gas caused by the excessively high air pressure difference inside and outside the filtering tank is avoided. The flow rate control unit 52 employs a flow valve 521.
The working principle of the filter tank packaging structure is as follows: when the filtering tank is filled with high-concentration standard gas, the third connecting end connected with the filtering tank and the first connecting end connected with the power pump 21 are opened through the three-way electromagnetic valve 51, original gas in the filtering tank is discharged through external power of the power pump 21, high-concentration standard gas is filled through signal feedback of the detector 32, after gas in the filtering tank is discharged, the second connecting end connected with the pressure regulating valve 1111 on the air storage tank 11 and the third connecting end connected with the communication port 5 of the filtering tank are opened through switching of the three-way electromagnetic valve 51, the filtering tank is filled with high-concentration standard gas through the air storage tank 11, the intensity signal of the high-concentration standard gas is filled in the filtering tank through real-time monitoring of the detector 32, the filling condition of the high-concentration standard gas in the filtering tank is judged, the high-concentration standard gas in the filtering tank is completely filled through splitting the communication port 5 and the three-way electromagnetic valve sealing strip 51, the communication port 5 is sealed through high-temperature heating, and the packaging of the filtering tank is completed.
The embodiment also discloses a packaging process, which comprises the following steps:
Step 1: the communication port of the filter tank is connected with the conveying device and/or the connecting exhaust device through a flow path switching control piece, in particular to a normally open end of a three-way electromagnetic valve;
Step 2: the secondary output pressure of the high-concentration standard gas in the conveying device is regulated to be not higher than 0.01Mpa, in particular to the secondary output pressure of a pressure regulating valve on a gas storage tank is regulated to be not higher than 0.01Mpa;
Step 3: the switching filter tank communication port is communicated with the exhaust device and is used for exhausting, specifically, the switching filter tank communication port is connected with the exhaust device and is used for exhausting, specifically, the switching three-way electromagnetic valve is connected to the normally closed end and is connected with the power pump, and the gas in the filter tank is exhausted;
Step 4: closing the exhaust device, switching the communication port of the filtering tank to be communicated with the conveying device, and conveying the high-concentration standard gas, specifically, switching the three-way electromagnetic valve to a normally open end to enable the high-concentration standard gas in the gas storage tank to enter the filtering tank;
Step 5: utilize the pipe tongs to press from both sides tight intercommunication mouth to break the connection of intercommunication mouth and conveyor and/or exhaust apparatus, seal the intercommunication mouth through sealing device, and then accomplish the encapsulation of filtering pond, specifically be to utilize the pipe tongs to press from both sides tight intercommunication mouth, and break away the connection of intercommunication mouth and three way solenoid valve, through carrying out high temperature heating to the intercommunication mouth with the sealing strip melting in the intercommunication mouth and seal, and then accomplish the encapsulation of filtering pond.
Before sealing the filtering pool, the operations of step 3 and step 4 are repeated for a plurality of times to ensure that the filtering pool is filled with the high-concentration standard gas, and the method further comprises the steps of opening the detection device and monitoring the high-concentration standard gas in the filtering pool, particularly connecting a power supply, so that the light signal emitted by the light source 31 received by the detector 32 reaches a stable state.
Example 2
As a modification of embodiment 1, the flow path switching control member includes at least two-way solenoid valves and a three-way valve, one end of the three-way valve is connected to the communication port, the other two ends are respectively connected to the two-way solenoid valves, and the two-way solenoid valves are respectively connected to the conveying device and the exhaust device. When the filtering pool is filled with the exhaust and high-concentration standard gas, optionally, a two-way electromagnetic valve connected with the exhaust device is opened, so that the exhaust device is communicated with the communication port to form an exhaust channel, then the two-way electromagnetic valve communicated with the exhaust device is closed, and the two-way electromagnetic valve connected with the conveying device is opened, so that the conveying device is communicated with the communication port to form a gas transmission channel, and the high-concentration standard gas is filled through exhausting first. Optionally, two solenoid valves are opened simultaneously to form the communication between the exhaust channel and the gas transmission channel, and high-concentration standard gas is introduced to replace the original gas in the filtering pool.
Example 3
As a modification of embodiment 1, when the filtering tank has two communication ports, by providing the gas check valve on the communication port 5, the gas check valve on one communication port flows in the direction toward the filtering tank along the gas tank 11, and the gas check valve on the other communication port flows in the direction toward the power pump 21 through the filtering tank when the filtering tank is sealed. When exhausting, the gas check valve of the communication port connected with the conveying device is closed, the gas check valve of the communication port connected with the power pump is opened, original gas in the filtering pool is discharged through the power pump 21, after the gas in the filtering pool is discharged, the gas check valve on the communication port of the power pump is closed, the gas check valve of the communication port of the conveying device is opened, high-concentration standard gas is transmitted into the filtering pool through the pressure regulating valve 1111 at the opening of the gas storage tank 11, the high-concentration standard gas in the filtering pool is fully filled, and the sealing of the filtering pool is completed by closing the gas check valve of the communication port and the communication port of the filtering pool.
Example 4
The difference between this embodiment and embodiment 1 is that the sealing device 4 includes a connection block disposed at the connection port 5, a stud is threaded on the outer wall of the connection block, an input hole and an output hole are threaded on the outer wall of the stud, an input channel and an output channel which are communicated with the filtering pool are threaded on the connection block, the input channel is aligned with the input hole, the output channel is aligned with the output hole, the stud is still in threaded connection with the connection block in the input channel and the output channel, and when the filtering pool is filled, the stud is rotated, the input hole and the output hole are communicated with the input channel and the output channel, the input channel is communicated with the air storage tank 11, the output channel is communicated with the power pump 21, the air in the filtering pool is discharged through the power pump 21, the air in the air storage tank 11 is conveyed into the filtering pool, and the stud is rotated to seal the filtering pool.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The utility model provides a filtering pond packaging structure which characterized in that: comprising the following steps: a filter tank, a conveying device (1), an exhaust device (2), a flow path switching control piece and a sealing device (4); at least one communication port (5) is arranged on the filtering pool,
The communication port (5) is communicated with the conveying device (1) and the exhaust device (2) in an on-off way through a flow path switching control piece;
The conveying device (1) is communicated with the communication port (5) to form a gas conveying channel so as to convey high-concentration standard gas into the filtering pool;
The exhaust device (2) is communicated with the communication port (5) to form an exhaust channel so as to exhaust the gas in the filtering pool and facilitate the entry of high-concentration standard gas;
The sealing device (4) is arranged in the communication port (5), and the sealing device (4) is used for sealing the filtering pool filled with the high-concentration standard gas;
still be provided with detection device (3) on the filtering pond, detection device (3) are used for monitoring whether the filtering pond is interior high concentration standard gas is full of, detection device (3) are including light source (31) and detector (32), light source (31) and detector (32) are about the filtering pond symmetrical setting, light source (31) shines on the high concentration standard gas in the filtering pond and with intensity feedback extremely on detector (32) so that monitor whether the filtering pond is interior high concentration standard gas is full of.
2. The filtering pool packaging structure according to claim 1, wherein: the conveying device (1) comprises an air storage tank (11), the air storage tank (11) is used for containing high-concentration standard air, the opening end of the air storage tank (11) is communicated with the communication port of the filtering pool through a flow path switching control piece, the opening end of the air storage tank (11) is provided with an output part (111), and the output part (111) is used for adjusting the output air pressure and speed of the high-concentration standard air so that the high-concentration standard air in the filtering pool is filled stably.
3. The filter cell package structure of claim 2, wherein: the output part (111) comprises a pressure regulating valve (1111), the pressure regulating valve (1111) is arranged at the opening end of the air storage tank (11), the pressure regulating valve (1111) is communicated with the communication port of the filtering tank through a flow path switching control piece and is used for transmitting high-concentration standard gas and reducing the internal and external air pressure of the filtering tank so as to ensure that the high-concentration standard gas is stably transmitted.
4. A filter cell package according to claim 3, wherein: the exhaust device (2) comprises a power pump (21), the power pump (21) is communicated with a communication port of the filtering tank through a flow path switching control piece, and the power pump (21) is used for pumping out gas in the filtering tank.
5. The filtering pool packaging structure according to claim 1, wherein: the sealing device (4) comprises a sealing strip (41), the sealing strip (41) is arranged at the communication port (5) of the filtering pool, and the sealing strip (41) is used for melting when high-concentration standard gas in the filtering pool is filled so as to seal the communication port (5) of the filtering pool.
6. The filtering pool packaging structure of claim 4, wherein: the flow path switching control piece comprises a three-way electromagnetic valve (51), a first connecting end of the three-way electromagnetic valve (51) is communicated with the power pump (21), a second connecting end of the three-way electromagnetic valve is communicated with the pressure regulating valve (1111), and a third connecting end of the three-way electromagnetic valve is connected with a communicating port (5) of the filtering pool.
7. The filtering pool packaging structure of claim 6, wherein: the three-way electromagnetic valve (51) is provided with a flow rate control unit (52) at the joint of the filtering tank communication port (5), the flow rate control unit (52) comprises a flow valve (521), and the flow valve (521) is connected between the three-way electromagnetic valve (51) and the communication port (5).
8. A packaging process applied to the filter tank packaging structure as claimed in any one of claims 1 to 7, characterized in that:
step 1: connecting a communication port of the filter tank with a conveying device and/or a connecting exhaust device through a flow path switching control piece;
Step 2: regulating the secondary output pressure of the high-concentration standard gas in the conveying device to be not higher than 0.01Mpa;
step 3: the switching filter tank communication port is communicated with the exhaust device and is used for exhausting;
step 4: closing the exhaust device, switching the communication port of the filtering pool to be communicated with the conveying device, and conveying the high-concentration standard gas;
step 5: the communicating opening (5) is clamped by the pipe tongs, the communicating opening (5) is disconnected with the conveying device and/or the exhaust device, and the communicating opening (5) is sealed by the sealing device, so that the filter tank is packaged.
9. A packaging process according to claim 8, wherein: and (5) repeating the operations of the step (3) and the step (4) before the step (5) so as to facilitate the clean discharge of the gas in the filtering pool and the filling of the high-concentration standard gas in the filtering pool.
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| CN108287157A (en) * | 2017-12-29 | 2018-07-17 | 和立气体（上海）有限公司 | A kind of fluorine gas analysis reforming unit |
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| US5098222A (en) * | 1989-10-02 | 1992-03-24 | Wet Design | Wave generator |
| JP4042638B2 (en) * | 2003-06-19 | 2008-02-06 | 株式会社島津製作所 | Infrared gas analyzer |
| CN101477048B (en) * | 2009-01-21 | 2011-09-14 | 北京市华云分析仪器研究所有限公司 | Pulsation type gas filtering related optical component |
| CN105258867A (en) * | 2015-09-22 | 2016-01-20 | 航天科工防御技术研究试验中心 | Gas tightness detection system |
| CN107448612A (en) * | 2017-09-13 | 2017-12-08 | 航天晨光股份有限公司 | A kind of air bag seals automaton |
| CN108801964A (en) * | 2018-09-20 | 2018-11-13 | 刘建松 | It is a kind of directly to measure formula gaseous pollutant emission monitoring device |
| CN109444064A (en) * | 2018-12-25 | 2019-03-08 | 青岛海纳光电环保有限公司 | Calibrating gas detection device and system |
| CN111097347B (en) * | 2020-01-13 | 2024-03-15 | 光炁钧宏(厦门)科技服务有限公司 | Synthetic reaction device for gas replacement and ventilation |
| CN213933745U (en) * | 2020-09-30 | 2021-08-10 | 中国气象局乌鲁木齐沙漠气象研究所 | Novel instrument calibration and exhaust system |
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