CN113686787A - Filtering pool packaging structure and packaging process - Google Patents
Filtering pool packaging structure and packaging process Download PDFInfo
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- CN113686787A CN113686787A CN202110930892.5A CN202110930892A CN113686787A CN 113686787 A CN113686787 A CN 113686787A CN 202110930892 A CN202110930892 A CN 202110930892A CN 113686787 A CN113686787 A CN 113686787A
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- 238000001914 filtration Methods 0.000 title claims abstract description 181
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 25
- 238000012858 packaging process Methods 0.000 title claims abstract description 9
- 238000004891 communication Methods 0.000 claims abstract description 63
- 238000007789 sealing Methods 0.000 claims abstract description 54
- 238000001514 detection method Methods 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000005538 encapsulation Methods 0.000 claims description 5
- 238000002844 melting Methods 0.000 claims description 5
- 230000008018 melting Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 2
- 238000005086 pumping Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 239000007789 gas Substances 0.000 description 204
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000003287 optical effect Effects 0.000 description 6
- 238000012856 packing Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 238000000862 absorption spectrum Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000001228 spectrum Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 229910052724 xenon Inorganic materials 0.000 description 1
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- 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
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Abstract
The invention discloses a filtering pool packaging structure and a packaging process, comprising a conveying device; the conveying device is connected with a communication port of the filtering tank and is used for conveying high-concentration standard gas into the filtering tank; an exhaust device; the exhaust device is connected with the communication port of the filtering pool and is used for exhausting gas in the filtering pool so as to facilitate the entry of 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 filter tank; sealing device, sealing device set up in the intercommunication mouth department of filtering pond, sealing device is used for sealing up the filtering pond that is full of high concentration standard gas, has and avoids artifical exhaust to aerify and causes high concentration standard gas to reveal and cause the workman to inhale the effect that causes the health to damage.
Description
Technical Field
The invention relates to the technical field of environmental optical detection, in particular to a filter cell packaging structure, and further comprises a packaging process applied to the filter cell packaging structure.
Background
In the field of environmental optical monitoring, the concentration of a polluted gas is usually measured by using an ultraviolet/infrared absorption spectrum method, and the absorption spectrum has the remarkable characteristic that in the same waveband range, more than one gas with absorption characteristics is often used, for example, a light source is a spectrum emitted by a deuterium lamp, a xenon lamp or an infrared light source, and more than ten gases which are required for definite monitoring in countries capable of absorbing the gas are provided.
In order to achieve accurate monitoring and minimize the influence of the interfering gas on the gas to be measured, the following solutions are generally adopted: 1. the method is characterized in that an optical filter is added, the optical filter allows absorption spectra of gas to be detected to pass as much as possible, and allows spectra of interference gas to pass as little as possible, so that the aim of single intensity is fulfilled, and the optical filter has the defects that the transmittance of certain wave bands is not high, the half-wave width is large (for certain gas to be detected, the absorption of the interference gas still exists), the OD value is small (when the gas concentration of other characteristic intensities is high, the measurement is influenced), and the defects are gradually improved along with the continuous improvement of a coating process; 2. the method comprises the following steps of removing interference gas in gas to be detected by using a physical or chemical method, thereby achieving the purpose of 'single' gas (for some special gases, a proper method cannot be found for removing the interference gas); 3. the light source firstly passes through the gas filter pool to be detected, the intensity to be absorbed by the gas to be detected is not generated in the spectrum after the gas, the absorption intensity of the rest interference gas is calculated, then the nitrogen filter pool is switched, the intensity of the interference gas is deducted by the absorption intensity at the moment, the correlation value of the absorption intensity of the gas to be detected (the absorption rate of the filter pool to the light intensity is a constant value) can be obtained, the scheme is relative, the anti-interference capability is strong, but high requirements are provided for sealing and filling, meanwhile, the cost of high-concentration gas is very high, and after the human body is sucked, discomfort can be caused.
Aiming at the defects of the prior art, the invention provides a packaging structure of a filter tank, which is used for solving the technical problem that the conventional high-concentration standard gas is difficult to fill and seal.
Disclosure of Invention
The invention provides a filter tank packaging structure, which aims to solve the technical problem that the existing 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 pool packaging structure, including: the device comprises a filtering pool, a conveying device, an exhaust device, a flow path switching control piece and a sealing device; the filtering pool is provided with at least one communicating port,
the communication port is communicated with the conveying device and the exhaust device in a switching 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 tank;
the exhaust device (2) is communicated with the communication port (5) to form an exhaust channel so as to exhaust gas in the filter tank 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 both arranged in the communication port, and the sealing device is used for sealing the filtering pool filled with the high-concentration standard gas.
By adopting the technical scheme, when the filtering tank is filled with the high-concentration standard gas, the exhaust device is connected with the filtering tank, the original gas in the filtering tank is exhausted through the exhaust device, the conveying device is opened, the high-concentration standard gas is conveyed in the filtering tank through the gas storage device, whether the high-concentration standard gas in the filtering tank is full or not can be judged through the exhaust and inflation times, the filtering tank is sealed through the sealing device after the high-concentration standard gas in the filtering tank is completely filled, when the filtering tank is filled with the high-concentration standard gas, all the partial devices are matched for use, the automatic filling of the filtering tank is completed, and when the filtering tank is sealed, the effect that the high-concentration standard gas is leaked due to manual exhaust and inflation to cause the fact that a worker inhales and causes body damage is achieved.
Further, conveyor includes the gas holder, the gas holder is used for splendid attire high concentration standard gas, the opening part of gas holder pass through flow path switching control with the intercommunication mouth intercommunication in filtering pond, the opening part of gas holder is provided with the output, the output is used for adjusting the output atmospheric pressure and the speed of high concentration standard gas so that high concentration standard gas in the filtering pond fills stably and 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, transmit the high concentration standard gas in the gas holder to the filtering pond along the output part of gas holder opening part in, the atmospheric pressure of avoiding high concentration standard gas in the gas holder under the regulation of output part leads to the filtering pond internal and external pressure difference too big in the external pressure difference makes to fill up high concentration standard gas in the filtering pond leads to the filtering pond internal and external pressure difference too big, thereby cause the filtering pond internal and external pressure instability, there is the use defect.
Further, the output part comprises a pressure regulating valve, the pressure regulating valve is arranged at an opening of the air storage tank and is communicated with a communication port of the filtering pool through a flow path switching control piece and transmits high-concentration standard gas.
Through adopting above-mentioned technical scheme, the output is provided with the air-vent valve, because the high concentration mark gas in the gas holder is stored in the gas holder through the compression, when transmitting, the atmospheric pressure of high concentration mark gas is too big, can lead to the filtering pond internal and external pressure difference too big in transmitting to the filtering pond in, can lead to the filtering pond unstable when using the filtering pond, the air-vent valve through gas holder opening part reduces the atmospheric pressure of high concentration mark gas and discharges, make the inside and outside atmospheric pressure difference of filtering pond reduce when high concentration mark gas gets into the filtering pond.
Further, exhaust apparatus includes the power pump, the power pump passes through the flow path and switches the intercommunication mouth intercommunication of control and filtering pond, the power pump is used for taking out original gas in the filtering pond.
Through adopting above-mentioned technical scheme, connect the intercommunication mouth at the filtering pond with the power pump, when exhausting the power pump, thereby exhaust the exhaust work efficiency of filtering pond through bleeding the filtering pond with the external power of power pump.
Further, still be provided with detection device on the filtering pond, detection device is used for monitoring whether high concentration standard gas is full of in the filtering pond, detection device includes light source and detector, light source and detector set up along filtering pond symmetry, the light source shines on the high concentration standard gas in the filtering pond and with intensity feedback extremely on the detector so that whether high concentration standard gas is full of in the monitoring filtering pond.
Through adopting above-mentioned technical scheme, when monitoring high concentration gas label in to the filter tank, shine through the gas of light source in to the filter tank, feed back the gas strength in the filter tank to the detector, through the monitoring of detector to intensity signal, treat when the gas strength signal in the filter tank is stable unchangeable, then high concentration gas label has been full of the filter tank, and then accomplish the packing of filter tank high concentration gas label, have the effect of automatic packing and accurate packing, avoided artifical packing to cause high concentration gas label to reveal and caused the condition emergence of damage by artifical the suction.
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 fused seal filtering pond when 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 and aerify in filtering pond, through sealed with the intercommunication mouth of sealing strip heating and melting with filtering pond, accomplishes filtering pond sealed, and the melting through the sealing strip is sealed for filtering pond's sealed effect improves, avoids high concentration standard gas in the filtering pond to reveal.
Further, the flow path switching control part 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-way solenoid valve, when exhausting in to the filtering pond, exhaust and the admission of controlling the filtering pond through three-way solenoid valve open and close for the high concentration standard gas of filtering pond fills and carries out accurate control, fill high concentration standard gas through the intensity signal feedback of detector, it is extravagant to avoid high concentration standard gas to fill excessively to lead to high concentration standard gas, and can automatic control exhaust and aerify through three-way solenoid valve, work efficiency has been improved.
Further, a flow rate control unit is arranged at the joint of the three-way electromagnetic valve and the communication port of the filtering pool, the flow rate 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, set up the velocity of flow control unit through the junction at three solenoid valve and intercommunication mouth, set up the velocity of flow control unit into the flow valve, when discharging original gas in the filtering pond, through the original gaseous exhaust velocity of flow valve control filtering pond, adjust the inside and outside atmospheric pressure of filtering pond for high concentration mark 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 filtering pool with a conveying device and/or a connecting exhaust device through a flow path switching control piece;
step 2: adjusting the secondary output pressure of the high-concentration standard gas in the conveying device to be not higher than 0.01 Mpa;
and step 3: the switching filter tank communicating port is communicated with an exhaust device and exhausts;
and 4, step 4: closing the exhaust device and switching a communication port of the filtering tank to be communicated with the conveying device to convey the high-concentration standard gas;
and 5: and clamping the communication port by using a pipe wrench, disconnecting the communication port from the conveying device and/or the exhaust device, and sealing the communication port by using a sealing device so as to complete the packaging of the filtering tank.
By adopting the technical scheme, when the filtering tank is filled with the high-concentration standard gas, the filtering tank is connected with the conveying device and/or the connecting exhaust device through the communication port of the filtering tank through the flow path switching control piece; adjusting the output pressure of the conveying device to be not higher than 0.01Mpa, communicating with the exhaust device through the communication port of the switching filter tank, exhausting gas in the filter tank, controlling to close the exhaust device, switching the communication port of the filter tank to communicate with the conveying device, and conveying high-concentration standard gas; after the filtering pool is exhausted and inflated for a set number of times, the high-concentration standard gas in the filtering pool is automatically filled, the communicating port is clamped through the pipe tongs, and the sealing strip is heated, melted and sealed to seal the communicating port so as to fill and seal the high-concentration gas in the filtering pool.
Further, the operations of step 3 and step 4 are repeated before step 5 so that the gas in the filter tank is exhausted to be clean and the high-concentration standard gas is filled in the filter tank.
By adopting the technical scheme, the operation of the step 3 and the step 4 is repeated before the step 5, and the original gas in the filter tank is completely discharged through exhausting and inflating for many times, so that the purity of the high-concentration standard gas in the filter tank is improved.
The invention has the following beneficial effects:
when the filtering tank is filled with high-concentration standard gas, the three-way electromagnetic valve is opened to be connected with the third connecting end of the filtering tank and the first connecting end of the power pump, the original gas in the filtering tank is discharged by the external power of the power pump, the high-concentration standard gas is filled by the signal feedback of the detector, after the gas in the filtering tank is discharged, the second connecting end of the pressure regulating valve connected with the gas storage tank and the third connecting end connected with the communicating port of the filtering tank are opened by switching the switch of the three-way electromagnetic valve, the filtering tank is filled with the high-concentration standard gas by the gas storage tank, the intensity signal of the high-concentration standard gas filled in the filtering tank is monitored in real time by the detector, the filling condition of the high-concentration standard gas in the filtering tank is judged, after the high-concentration standard gas in the filtering tank is filled, the communicating port and the three-way electromagnetic valve are separated, the sealing strip is heated at high temperature to seal the communicating port, the packaging of the filtering pool is completed, the automatic exhausting and inflating process of the filtering pool is realized, and the situation that the body is uncomfortable due to the fact that personnel inhale high-concentration standard gas is reduced.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic overall structure of a preferred embodiment of the present invention;
fig. 2 is a flow chart of the packaging process of the present invention.
Illustration of the drawings:
1. a conveying device; 11. a gas storage tank; 111. an output section; 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
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Example 1
As shown in fig. 1 and 2, the present embodiment discloses a filtering tank packaging structure, which includes a filtering tank, a conveying device 1, an exhaust device 2, a flow path control element, and a sealing device 4, wherein the filtering tank is provided with a communication port, and the communication port is in on-off communication with the conveying device and the exhaust device through the flow path switching control element to form a gas transmission channel and/or an exhaust channel, so that the gas transmission device can transmit high-concentration standard gas and/or the exhaust device can discharge original gas in the filtering tank; the sealing device 4 is arranged in the communication port 5, and the sealing device 4 is used for sealing the filtering tank filled with the high-concentration standard gas.
Specifically, before the filtering tank is sealed, the communication port is communicated with the conveying device and the exhaust device through the flow path switching control piece, the communication port is communicated with the exhaust device 2 to form an exhaust channel under the control of the flow path control piece, original gas in the filtering tank is exhausted, 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 tank. After the filtering tank is exhausted and inflated for a set number of times, the filtering tank is filled with high-concentration standard gas, and a communication port 5 of the filtering tank is sealed through a sealing device 4, so that the filtering tank is packaged. Through the structure, the full-automatic filling of the high-concentration standard gas in the filter tank can be realized, the manual intervention is not needed, and the situation that the high-concentration standard gas is possibly sucked in by manual operation to cause body damage is avoided.
Preferably, filtering pond packaging structure still includes detection device 3, detection device 3 detects the gas in the filtering pond, the gas concentration in the monitoring filtering pond, it has original gas to discharge to guarantee through detection device 3's real-time supervision in the filtering pond, carry high concentration mark gas through conveyor 1, again through detection device 3 feedback signal, fill into high concentration mark gas in the filtering pond after and after the gas concentration in the filtering pond is stable, then high concentration mark gas in the filtering pond has been full of, seal the intercommunication mouth 5 of filtering pond through sealing device 4, accomplish the encapsulation of filtering pond. The full-automatic filling and detection of high-concentration standard gas can be performed on the filter tank. Through detection device's setting, but the filling condition of real-time supervision filtering pond, when the signal that detects is stable, indicate that the filtering pond wave is full of completely, then stop continuing to exhaust and aerify the filtering pond, so, improved filtering pond filling efficiency and effect.
As a variation of this embodiment, when two communicating ports are provided in the filtering tank, one communicating port is connected to the gas storage device as an input port of the filtering tank to deliver the high-concentration standard gas, and the other communicating port is connected to the gas exhaust device as an output port of the filtering tank to exhaust gas, so as to perform gas exhaust and filling of the filtering tank with the high-concentration standard gas. And (2) sealing the filtering tank when the filtering tank is provided with three or more than three communicating ports, packaging redundant communicating ports, reserving one or two communicating ports, sealing the other communicating ports, and performing air exhaust, high-concentration standard gas filling and filtering tank packaging of the filtering tank according to the packaging process.
Referring to fig. 1 and 2, the conveying device 1 includes an air tank 11, and high-concentration standard air is provided in the air tank 11 and is communicated with a communication port of the filter tank through an opening of the air tank 11 by a flow path switching control member. In order to avoid the high concentration mark gas in the gas holder 11 when getting into the filtering pond the atmospheric pressure too big lead to the filtering pond inside and outside atmospheric pressure different thereby cause high concentration mark gas to fill unstablely, opening part at gas holder 11 is provided with output portion 111, output portion 111 includes air-vent valve 1111, connect gas holder 11 through the inlet end of air-vent valve 1111, the end of giving vent to anger is through the intercommunication mouth intercommunication of flow path switching control piece with the filtering pond, when carrying out the packing of high concentration mark gas, through the output pressure of air-vent valve 1111 control high concentration mark gas, carry high concentration mark gas stable transport to the filtering pond in.
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 member, original gas in the filtering tank is pumped out through external power work 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 a gas storage tank 11.
Referring to fig. 1, fig. 2, detection device 3 is including setting up the light source 31 in filter cell one side and with the detector 32 of light source 31 symmetric distribution, when detecting the gas in the filter cell, shine the gas in the filter cell through light source 31 and feed back intensity signal to detector 32 in, whether high concentration standard gas in the filter cell is filled completely through the stability judgement filter cell of intensity signal on detector 32, treat under the unchangeable condition of intensity signal of gas in the filter cell, can learn directly perceivedly that high concentration standard gas in the filter cell fills completely.
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 of the filter tank, and the sealing strip 41 is made of a material having a low melting point and being non-reactive with the standard gas, such as solder wire. When the intensity signal through observing high concentration mark gas on detector 32 is stable, the high concentration mark gas in the filtering pond is filled completely, prevents that the high concentration mark gas from revealing through 5 centre grippings with intercommunication mouth, and it is sealed with intercommunication mouth 5 to fill sealing strip 41 heating melting in intercommunication mouth 5 to be full of the high concentration mark gas with the filtering pond and accomplish the sealed of filtering pond.
Referring to fig. 1 and 2, in order to facilitate the gas discharge and the high concentration standard gas filling in the filter cell, a flow path switching control member is arranged at a communication port 5 of the filter cell, the flow path switching control member includes a three-way electromagnetic valve 51, a first connection end of the three-way electromagnetic valve 51 is connected to a power pump 21, a second connection end is connected to a pressure regulating valve 1111 at an opening of a gas storage tank 11, a third connection end is connected to the communication port 5 of the filter cell, the first connection end and the third connection end are opened during the gas discharge, the gas in the filter cell is absorbed and discharged by the power pump 21, whether the gas in the filter cell is completely discharged can be visually obtained by observing whether a signal in a detector 32 under a light source 31 changes, then the second connection end and the third connection end are communicated to perform the high concentration standard gas filling, and then the high concentration standard gas is fed back according to an intensity signal of the high concentration standard gas under the light source 31 on the detector 32, and judging whether the high-concentration standard gas in the filter tank is filled. The air storage tank 11 and the power pump 21 are connected through the three-way electromagnetic valve 51 to realize automatic exhaust and inflation, and the high-concentration standard gas filling efficiency of the filter tank 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 the exhaust gas is controlled by the flow rate control unit 52, so that the air pressure change in the filter tank is controlled, and the unstable filling of the high-concentration standard gas caused by the overhigh air pressure difference between the inside and the outside of the filter tank is avoided. The flow rate control unit 52 employs a flow valve 521.
The working principle of the filtering pool packaging structure of the embodiment is as follows: when the filtering tank is filled with the high-concentration standard gas, the three-way electromagnetic valve 51 is opened to be connected with the third connecting end of the filtering tank and the first connecting end of the power pump 21, the original gas in the filtering tank is discharged by the external power of the power pump 21, the high-concentration standard gas is filled by the signal feedback of the detector 32, after the gas in the filtering tank is discharged, the second connecting end of the pressure regulating valve 1111 connected with the gas storage tank 11 and the third connecting end connected with the communicating port 5 of the filtering tank are opened by switching the switch of the three-way electromagnetic valve 51, the filtering tank is filled with the high-concentration standard gas by the gas storage tank 11, the intensity signal of the high-concentration standard gas filled in the filtering tank is monitored in real time by the detector 32, the filling condition of the high-concentration standard gas in the filtering tank is judged, the filling of the high-concentration standard gas in the filtering tank is finished, and the communicating port 5 and the three-way electromagnetic valve 51 are separated, and heating the sealing strip 41 at a high temperature to seal the communication port 5, thereby completing the packaging of the filtering pool.
The embodiment also discloses a packaging process, which includes:
step 1: connecting a communication port of the filtering pool with a conveying device and/or a connecting exhaust device through a flow path switching control piece, and particularly connecting a gas storage tank at the normally open end of a three-way electromagnetic valve;
step 2: adjusting the secondary output pressure of high-concentration standard gas in the conveying device to be not higher than 0.01Mpa, specifically adjusting the secondary output pressure of a pressure regulating valve on a gas storage tank to be not higher than 0.01 Mpa;
and step 3: the switching filter tank communicating port is communicated with an exhaust device and exhausts air, specifically, the switching filter tank communicating port is connected with the exhaust device and exhausts air, specifically, the switching three-way electromagnetic valve is switched to a normally closed end and connected with a power pump, and the air in the filter tank is exhausted;
and 4, step 4: closing the exhaust device and switching a communication port of the filtering tank to be communicated with the conveying device to convey the high-concentration standard gas, specifically, switching a three-way electromagnetic valve to a normally open end to allow the high-concentration standard gas in the gas storage tank to enter the filtering tank;
and 5: utilize the breakout tongs to press from both sides tight intercommunication mouth to the disconnection intercommunication mouth is connected with conveyor and/or exhaust apparatus, seals the intercommunication mouth through sealing device, and then accomplishes the encapsulation of filtering pond, specifically presss from both sides tight intercommunication mouth for utilizing the breakout tongs to break off the connection of intercommunication mouth and three solenoid valve, melts the sealing strip and seals in the intercommunication mouth through carrying out high temperature heating to the intercommunication mouth, and then accomplishes the encapsulation of filtering pond.
Before sealing the filtering pool, repeating the operations of step 3 and step 4 for a plurality of times to ensure that the filtering pool is filled with the high-concentration standard gas in the filtering pool, and further comprising opening the detection device and monitoring the high-concentration standard gas in the filtering pool, specifically communicating a power supply, so that the optical signal transmitted by the light source 31 received by the detector 32 reaches a stable state.
Example 2
As a variation of embodiment 1, the flow path switching control member includes at least two-way solenoid valves and a tee joint, one end of the tee joint is connected to the communication port, the other two ends of the tee joint 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 tank is exhausted and the high-concentration standard gas is filled, optionally, the two-way electromagnetic valve connected with the exhaust device is opened to realize the communication between the exhaust device and the communication port to form an exhaust channel, then the two-way electromagnetic valve communicated with the exhaust device is closed, the two-way electromagnetic valve connected with the conveying device is opened to realize the communication between the conveying device and the communication port to form a gas transmission channel, and the high-concentration standard gas is filled after being exhausted firstly. Optionally, two-way electromagnetic valves are opened simultaneously to form communication between the exhaust channel and the gas transmission channel, and high-concentration standard gas is introduced to replace the original gas in the filter tank.
Example 3
As a modification of embodiment 1, when the filter tank has two communication ports, by providing the communication ports 5 with gas check valves when sealing the filter tank, the gas check valve on one communication port flows in the direction toward the filter 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 via the filter tank. When exhausting, the gaseous check valve of the intercommunication mouth that connects conveyor device closes, open the gaseous check valve of the intercommunication mouth department that the power pump is connected, original gas outgoing in with the filtering pond through power pump 21, treat the gas outgoing back in the filtering pond, close the gaseous check valve on the intercommunication mouth of power pump department, the rethread is opened the gaseous check valve of conveyor intercommunication mouth, the air-vent valve 1111 through the gas holder 11 opening part transmits high concentration mark gas to in the filtering pond, treat that the high concentration mark gas in the filtering pond is full of, close through the gaseous check valve with filtering pond intercommunication mouth and intercommunication mouth, accomplish the sealing of filtering pond.
Example 4
The difference between this embodiment and embodiment 1 lies in that sealing device 4 includes the connecting block that sets up in intercommunication mouth 5 department, the double-screw bolt is worn to be equipped with by the screw thread on the outer wall of connecting block, input hole and delivery outlet have been run through on the double-screw bolt outer wall, input channel and the output channel that communicates the filtering pond have been run through on the connecting block, and input channel aligns with the input hole, output channel aligns with the delivery outlet, and the double-screw bolt still with connecting block threaded connection in input channel and the output channel, when carrying out the packing of filtering pond again, through rotating the double-screw bolt, with input hole and output hole in input channel and output channel intercommunication, through with input channel and gas holder 11 intercommunication and output channel and power pump 21 intercommunication, discharge the gas in the filtering pond through power pump 21, carry the gas in the gas holder 11 to the filtering pond again, and rotate the double-screw bolt and seal the filtering pond.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a filtering pond packaging structure which characterized in that: the method comprises the following steps: the device comprises a filtering pool, a conveying device (1), an exhaust device (2), a flow path switching control piece and a sealing device (4); the filtering pool is provided with at least one communicating port (5),
the communication port (5) is communicated with the conveying device and the exhaust device through a flow path switching control piece in a switching mode;
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 tank;
the exhaust device (2) is communicated with the communication port (5) to form an exhaust channel so as to exhaust gas in the filter tank 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.
2. The filter pool packaging structure of claim 1, wherein: conveyor (1) includes gas holder (11), gas holder (11) are used for splendid attire high concentration standard gas, the open end of gas holder (11) passes through the flow path and switches the intercommunication mouth intercommunication of control and filtering pond, the open end of gas holder (11) is provided with output (111), output (111) are used for adjusting high concentration standard gas's output atmospheric pressure and speed so that the high concentration standard gas in the filtering pond fills and stably goes on.
3. The filter pool packaging 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), and the pressure regulating valve (1111) is communicated with a 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 stable transmission of the high-concentration standard gas.
4. The filter pool packaging structure of 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 pool through a flow path switching control piece, and the power pump (21) is used for pumping gas in the filtering pool.
5. The filter pool packaging structure of claim 1, wherein: still be provided with detection device on the filter tank, detection device (3) are used for monitoring whether high concentration standard gas is full of in the filter tank, detection device (3) include light source (31) and detector (32), light source (31) and detector (32) set up about filter tank symmetry, light source (31) shine on the high concentration standard gas in the filter tank and with intensity feedback extremely detector (32) are gone up so that whether high concentration standard gas is full of in the monitoring filter tank.
6. The filter pool packaging structure of claim 1, wherein: sealing device (4) include sealing strip (41), sealing strip (41) set up in the intercommunication mouth (5) department of filtering pond, sealing strip (41) are used for filtering pond interior high concentration standard gas to carry out the melting when full of in order to seal the intercommunication mouth (5) department of filtering pond.
7. The filter pool packaging structure of claim 4, wherein: the flow path switching control part 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.
8. The filter pool packaging structure of claim 7, wherein: and a flow rate control unit (52) is arranged at the joint of the three-way electromagnetic valve (51) and the filter pool 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).
9. An encapsulation process applied to the filter pool encapsulation structure of any one of claims 1 to 8, wherein:
step 1: connecting a communication port of the filtering pool with a conveying device and/or a connecting exhaust device through a flow path switching control piece;
step 2: adjusting the secondary output pressure of the high-concentration standard gas in the conveying device to be not higher than 0.01 Mpa;
and step 3: the switching filter tank communicating port is communicated with an exhaust device and exhausts;
and 4, step 4: closing the exhaust device and switching a communication port of the filtering tank to be communicated with the conveying device to convey the high-concentration standard gas;
and 5: and clamping the communication port (5) by using a pipe wrench, disconnecting the communication port (5) from the conveying device and/or the exhaust device, and sealing the communication port (5) by using a sealing device so as to complete the packaging of the filtering tank.
10. A packaging process according to claim 9, characterized in that: and 5, repeating the operations of the step 3 and the step 4 before the step 5 so as to ensure that the gas in the filter tank is exhausted to be clean and the high-concentration standard gas is filled in the filter tank.
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