CN209809762U - Zero gas generator - Google Patents
Zero gas generator Download PDFInfo
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- CN209809762U CN209809762U CN201920312624.5U CN201920312624U CN209809762U CN 209809762 U CN209809762 U CN 209809762U CN 201920312624 U CN201920312624 U CN 201920312624U CN 209809762 U CN209809762 U CN 209809762U
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Abstract
The utility model belongs to the technical field of zero gas generators, in particular to a zero gas generator aiming at particles, which comprises a box body, wherein one side of the box body is fixedly connected with an air pump, the air pumping end of the air pump penetrates through the box body, one side of the box body, which is far away from the air pump, is hinged with a dust guard, and the outer surface of the dust guard is provided with a through hole; when detecting, start the air pump, the end of bleeding of air pump extracts the outside air, and the outside air gets into the air inlet chamber through the through-hole that the dust guard was seted up earlier, and the primary filter layer can the suspended particles in the filtered air, then passes through the precision filter layer, can make after the filtration zero gasPM2.5The concentration is less than or equal to 15 mu g/m3And finally, the filtered zero gas enters the gas pump through the static pressure chamber, enters the detection gas through the gas transmission section of the gas pump, and is diluted and mixed with the detected polluted gas to reduce the concentration of the detected gas, so that the detection difficulty is reduced, and the detection quality is improved.
Description
Technical Field
The utility model belongs to the technical field of the zero gas generator, concretely relates to zero gas generator in oil smoke detects.
Background
It is known that, in 2001, GB18483-2001 "standard for oil smoke discharge in food industry" was issued in China, and this annex a "method for sampling and analyzing oil smoke in food industry" stipulates a method for sampling and analyzing oil smoke by metal filter cartridge absorption and infrared spectrophotometry as a legal standard method for detecting oil smoke, and in order to control oil smoke discharge, workers all use an oil smoke on-line monitoring device to detect substances in oil smoke.
The prior art has the following problems:
when detecting the oil smoke, behind the gaseous concentration of surveyed pollution exceeded the range, unable gaseous concentration of measuring pollution, and can pile up on the light sensing element surface, it changes to lead to the light signal of light sensing element receipt, the measuring result takes place the positive deviation, even unable work, mutual condensation between the high concentration gaseous pollution, when monitoring high concentration gaseous pollution (for example stickness particulate matter in the oil smoke), can be surveyed gaseous pollution from taking the fan among the light scattering sensor and compress and promote, the higher degree of condensation each other of the gaseous pollution that the concentration is higher in this process, it is high to lead to the measuring result to take place the negative deviation or meaningless, current oil smoke check out test set also adopts zero gas to dilute the testing gas.
The zero gas refers to the gas that adjusts the minimum scale of the gas analyzer and the gas that shows zero when entering the analyzer. The zero gas should not contain the component to be measured or interfering substances, but may contain components unrelated to the measurement. However, with the development of domestic industrialization, the air quality is also reduced, and if the outside air is directly used as the zero air, the online monitoring result is greatly interfered. Meanwhile, most of the existing zero gas generators have poor water removal effect, and can cause large deviation on the detection of rear-end diluted sample gas.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a zero gas generator, it is extremely low to produce zero gas water content, has the characteristics that improve detection quality.
In order to achieve the above object, the utility model provides a following technical scheme: a zero gas generator comprises a zero gas generator filtering system and a power system, wherein the filtering system comprises a box body, a dust guard, a primary filtering layer, an oil-water separation layer and a precision filtering layer are sequentially connected in the box body, the oil-water separation layer is tightly connected with the precision filtering layer, and an air inlet chamber and a static pressure chamber are formed in the box body; the power system is an air pump and is electrically connected with an external power supply, and an air exhaust end of the power system penetrates through the box body; and the oil-water separation layer is filled with a hydrophobic oleophilic film.
Preferably, the outer surface of the dust guard is provided with a through hole, and the inner side wall of the through hole is fixedly connected with a filter screen.
Preferably, the primary filtration layer has a filtration precision of 3 μm.
Preferably, a water collecting tank is arranged below the oil-water separation layer.
Preferably, sealing gaskets are arranged at the joints of the oil-water separation layer, the precision filter layer and the box body.
Preferably, the lateral wall of dust guard is close to the first son of one side fixedly connected with of air pump is detained, the inside wall of box body is close to the first box of one side fixedly connected with of dust guard, two spouts have been seted up to the inside wall symmetry of box body, the upper and lower both sides of primary filter layer all have the slider, primary filter layer passes through slider and spout with box body sliding connection.
Preferably, the outer side wall of the primary filter layer is fixedly connected with a second secondary buckle, one side, close to the primary filter layer, of the inner side wall of the box body is fixedly connected with a second female buckle, and the primary filter layer is connected with the second secondary buckle in a clamping mode through the second female buckle.
Preferably, the filtering material of the precision filtering layer is PM10Filter Membrane, PM2.5One or more materials such as filter membrane, active carbon fiber, molecular sieve, etc.
Compared with the prior art, the beneficial effects of the utility model are that:
when oil smoke detection is carried out, the air pump is started, the air pumping end of the air pump pumps outside air, the outside air firstly enters the air inlet chamber through the through hole formed in the dustproof plate, the primary filter layer can filter suspended particles in the air, and then the filtered air passes through the precision filter layer to enable zero-gas PM (particulate matter) to be filtered2.5The concentration is less than or equal to 15 mu g/m3Meanwhile, the water content of the zero gas is extremely low, the finally filtered zero gas enters the air pump through the static pressure chamber, enters the detection gas through the gas transmission section of the air pump, the concentration of the detected gas is reduced through dilution mixing of the zero gas and the detected polluted gas, the detection difficulty is reduced, and therefore the detection quality is improved.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 structural view of the present invention;
fig. 2 is a left side view of the present invention;
FIG. 3 is an enlarged view of structure A of the present invention;
1. a box body; 2. a dust-proof plate; 3. a through hole; 4. a filter screen; 5. an air pump; 6. a primary filtration layer; 7. a water separation layer; 8. a precision filter layer; 9. a gasket; 10. a water collection tank; 11. an air intake chamber; 12. a static pressure chamber; 13. a first female buckle; 14. a first sub-buckle; 15. a chute; 16. a slider; 17. a second female buckle; 18. and a second sub-button.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, the present invention provides the following technical solutions:
a zero gas generator, zero gas generator filtration system and power system, the filtration system includes the cartridge 1, connect with dust guard 2, primary filter layer 6, oil water separation layer 7 and precision filter layer 8 sequentially in the said cartridge 1, the said oil water separation layer 7 and precision filter layer 8 are connected closely, form the air inlet chamber 11 and static pressure chamber 12 in the cartridge 1; the power system is an air pump 5 which is electrically connected with an external power supply, and the air pumping end of the power system penetrates through the box body 1; the oil-water separation layer 7 is filled with a hydrophobic oleophilic film.
In this embodiment: the air pump is an oilless air compression pump. Specifically, the method comprises the following steps: the air pump 5 is DS370DPM, and the air pump 5 can provide airflow power for the whole zero-gas generator.
In this embodiment: the hydrophobic angle of the hydrophobic lipophilic film can reach 90 degrees, so that the hydrophobic lipophilic film can effectively separate water vapor, oil drop particles and smaller target test particles in the gas to be detected can smoothly pass through the adsorbent without being influenced, the moisture content in the gas of the zero gas is reduced, the moisture content in the diluted detection gas is reduced to be lower by separating the moisture in the gas, and the detection accuracy is enhanced.
In this embodiment: dust guard 2, primary filter layer 6 can the filtration suspended particle in the air, then get rid of the moisture in the gas through oil water separating layer 7, can make anhydrous zero gas after 8 filters at last through the precision filter layer, and the zero gas after final filtration gets into air pump 5 through static pressure chamber 12, and in the gas transmission section entering detection gas via air pump 5, through the concentration reduction that the dilution of zero gas and measured contaminated gas mixes the gas that will be surveyed, reduces the detection degree of difficulty to improve detection quality.
Specifically, the method comprises the following steps: through-hole 3 has been seted up to the surface of dust guard 2, the inside wall fixedly connected with filter screen 4 of through-hole 3. The filter screen 4 is arranged on the inner side wall of the through hole 3, so that large particles in air can be reduced to enter the air inlet chamber 11, and the service life of the filter material is shortened.
Specifically, the method comprises the following steps: the filtration precision of the primary filtration layer is 3 μm. The device is used for removing oil, water, dust and the like in compressed air, improving the working efficiency of a downstream dryer, prolonging the service time of a filter element of a precision filter and preventing machine faults.
Specifically, the method comprises the following steps: a water collecting tank 10 is arranged below the oil-water separation layer 7. The water separated by the hydrophobic oleophilic film is collected.
Specifically, the method comprises the following steps: and sealing gaskets 9 are arranged at the joints of the oil-water separation layer 7, the precision filter layer 8 and the box body 1. The sealed pad 8 provides sealed effect for water oil separating layer 7, precision filter layer 8, prevent that unfiltered air from getting into follow-up static pressure chamber 12 and zero gas and mixing, it risees to cause particulate matter concentration in the zero gas, the measuring result is out of alignment, static pressure chamber 12 utilizes the negative pressure that air pump 5 operation produced to make the outside air filter through filtering material, its effect makes filtering material each point atress basically the same, increase of service life, also avoid the negative pressure effect and certain department of filtering material that air pump 5 produced, cause here filtering material stress too concentrated, lead to filter fiber or structure to damage, filtering material inefficacy, zero gas that its emergence does not have practical requirement.
Specifically, the method comprises the following steps: the lateral wall of dust guard 2 is close to 14 is detained to the first son of one side fixedly connected with of air pump 5, the inside wall of box body 1 is close to 13 is detained to the first box of one side fixedly connected with of dust guard 2, two spouts 15 have been seted up to the inside wall symmetry of box body 1, the upper and lower both sides of primary filter layer 6 all have slider 16, primary filter layer 6 passes through slider 16 and spout 15 with 1 sliding connection of box body. Dust guard 2 is detained 14 and box body 1 fixed connection through first box 13 and first son, can open dust guard 2 fast when filtering material needs to be changed to change filtering material.
Specifically, the method comprises the following steps: the outer side wall of the primary filter layer 6 is fixedly connected with a second sub-buckle 18, one side, close to the primary filter layer 6, of the inner side wall of the box body 1 is fixedly connected with a second female buckle 17, and the primary filter layer 6 is connected with the second sub-buckle 18 in a clamping mode through the second female buckle 17. The primary filter layer 6 is connected with the second sub-button 15 through the second female button 14 in a clamping way, so that the stability between the primary filter layer 6 and the box body 1 can be enhanced.
Specifically, the method comprises the following steps: the filtering material of the precision filtering layer 8 is PM10Filter Membrane, PM2.5One or more materials such as filter membrane, active carbon fiber, molecular sieve, etc. The filter material adopts PM2.5The filter membrane, the activated carbon fiber, the molecular sieve and other materials filter the outside air, and can filter the zero-gas PM2.5The concentration is less than or equal to 15 mu g/m3。
The utility model discloses a theory of operation and use flow: the air pump 5 is connected with an external power supply, the sealing gasket 9 provides a sealing effect for the water separation layer 7 and the precision filter layer 8, when oil smoke detection is carried out, the air pump 5 is started, the air exhaust end of the air pump 5 extracts external air, the external air firstly enters the air inlet chamber 11 through the through hole 3 formed in the dustproof plate 2, the inner side wall of the through hole 3 is provided with the filter screen 4 which can reduce large particles in the air from entering the air inlet chamber 11, after being filtered by the primary filter layer 6 in the air inlet chamber 11, the external air is filtered by the water separation layer 7 and the precision filter layer 8, finally, the filtered zero air enters the air pump 5 through the static pressure chamber 12 and enters the detection air body through the air transmission section of the air pump 5, when the filter material in the box body 1 is replaced, the dustproof plate 2 is pulled, the first sub-button 14 of the dustproof plate 2 is separated from the first female button 13 of the box, the second male snap 18 of the primary filter layer 6 is disengaged from the second female snap 17, and then the slider 16 of the primary filter layer 6 slides in the chute 15 of the cartridge 1, thus replacing the filter material.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (8)
1. The zero gas generator is characterized by comprising a filtering system and a power system of the zero gas generator, wherein the filtering system comprises a box body (1), a dust guard (2), a primary filter layer (6), an oil-water separation layer (7) and a precision filter layer (8) are sequentially connected in the box body (1), the oil-water separation layer (7) and the precision filter layer (8) are tightly connected, and an air inlet chamber (11) and a static pressure chamber (12) are formed in the box body (1); the power system is an air pump (5) and is electrically connected with an external power supply, and the air pumping end of the power system penetrates through the box body (1); the oil-water separation layer (7) is filled with a hydrophobic oleophilic film.
2. A zero gas generator according to claim 1, characterized in that: through-hole (3) have been seted up to the surface of dust guard (2), the inside wall fixedly connected with filter screen (4) of through-hole (3).
3. A zero gas generator according to claim 1, characterized in that: the filtration precision of the primary filtration layer is 3 μm.
4. A zero gas generator according to claim 1, characterized in that: a water collecting tank (10) is arranged below the oil-water separation layer (7).
5. A zero gas generator according to claim 1, characterized in that: and sealing gaskets (9) are arranged at the joints of the oil-water separation layer (7), the precision filter layer (8) and the box body (1).
6. A zero gas generator according to claim 1, characterized in that: the lateral wall of dust guard (2) is close to the first son of one side fixedly connected with of air pump (5) is detained (14), the inside wall of box body (1) is close to the first box (13) of one side fixedly connected with of dust guard (2), two spout (15) have been seted up to the inside wall symmetry of box body (1), the upper and lower both sides of primary filter layer (6) all have slider (16), primary filter layer (6) are passed through slider (16) and spout (15) with box body (1) sliding connection.
7. A zero gas generator according to claim 1, characterized in that: the lateral wall fixedly connected with second son of elementary filter layer (6) is detained (18), the inside wall of box body (1) is close to one side fixedly connected with second box (17) of elementary filter layer (6), elementary filter layer (6) pass through second box (17) with second son is detained (18) block and is connected.
8. A zero gas generator according to claim 1, characterized in that: the filtering material of the precision filtering layer (8) is PM10Filter Membrane, PM2.5One or more materials such as filter membrane, active carbon fiber, molecular sieve, etc.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312624.5U CN209809762U (en) | 2019-03-13 | 2019-03-13 | Zero gas generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920312624.5U CN209809762U (en) | 2019-03-13 | 2019-03-13 | Zero gas generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209809762U true CN209809762U (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920312624.5U Active CN209809762U (en) | 2019-03-13 | 2019-03-13 | Zero gas generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209809762U (en) |
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2019
- 2019-03-13 CN CN201920312624.5U patent/CN209809762U/en active Active
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