CN211522155U - Deodorization device for nucleic acid extractor - Google Patents
Deodorization device for nucleic acid extractor Download PDFInfo
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- CN211522155U CN211522155U CN201920792222.XU CN201920792222U CN211522155U CN 211522155 U CN211522155 U CN 211522155U CN 201920792222 U CN201920792222 U CN 201920792222U CN 211522155 U CN211522155 U CN 211522155U
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- nucleic acid
- deodorization
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- extractor according
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Abstract
The utility model discloses a deodorizing device for nucleic acid extraction appearance, including seting up in the deodorization hole of nucleic acid extraction appearance side, the downthehole exhaust system that can bleed that is equipped with of deodorization, exhaust system has the vacuum system that can catch and transmit gas through the pipe connection, just vacuum system has the gas washing system that can absorb gas through the pipe connection. The utility model discloses a stool sample effectively gets rid of the stink in the volatile substances that stool sample has irritability at full-automatic nucleic acid extraction in-process indole, skatole (3-methyl indole), ammonia, methane, hydrogen sulfide, acetic acid, butyric acid etc. by the adsorbed purpose.
Description
Technical Field
The utility model relates to a deodorizing device for nucleic acid extraction appearance.
Background
The nucleic acid extractor is an instrument which automatically finishes the extraction work of sample nucleic acid by using a matched nucleic acid extraction reagent and is divided into two types: one type is large-scale automated, commonly referred to as automated liquid workstations; the other type is a small automatic nucleic acid extractor which automatically finishes the extraction and purification process by using a packaged matched reagent. The large automatic liquid workstation is suitable for extracting thousands of samples of the same kind at one time due to high equipment cost and high operation cost; and small-sized automatic instruments are more and more applied because of low instrument equipment and operation cost and convenient operation. The separation and purification work related to the biomolecules is very important in almost every laboratory, and a nucleic acid extractor is indispensable.
The nucleic acid extractor of chinese patent 2018201003937 not only can extract nucleic acid from samples such as blood, saliva, bacteria, viruses, plants, fungi, etc., but also can extract nucleic acid from stool samples. However, the irritative volatile substances such as indole, skatole (3-methylindole), ammonia, methane, hydrogen sulfide, acetic acid, butyric acid and the like in the excrement often cause troubles to medical staff and researchers, so that the development of the method for extracting the nucleic acid from the full-automatic excrement sample and effectively removing the odor in the volatile gas of the excrement is a basic requirement for realizing humanization.
SUMMERY OF THE UTILITY MODEL
The purpose of the invention is as follows: the utility model provides a deodorizing device for nucleic acid extraction appearance has irritability, the gaseous problem of volatility when having solved excrement and urine sample and draw nucleic acid.
The technical scheme is as follows: the utility model discloses a deodorizing device for nucleic acid extraction appearance, including seting up in the deodorization hole of nucleic acid extraction appearance side, the downthehole exhaust system that can bleed that is equipped with of deodorization, exhaust system has the vacuum system that can catch and transmit gas through the pipe connection, just vacuum system has the gas washing system that can absorb gas through the pipe connection.
In order to prevent micro-particle objects from entering the deodorizing device, an air filter is further arranged in the deodorizing hole and is used as a filtering process before air is extracted by the air extracting system. The air Filter can reach HEPA (High efficiency air Filter), the effective rate of 0.1 micron and 0.3 micron reaches 99.7%, and the HEPA net is characterized in that air can pass through but fine particles cannot pass through.
To realize the exhaust of the nucleic acid extractor, the exhaust system comprises two fans.
In order to realize the trapping and the transmission of volatile gas, the vacuum system comprises three vacuum pumps.
In order to realize the absorption of volatile irritant gas, the gas washing system comprises an acid gas washing bottle and an alkaline gas washing bottle, and the vacuum pump, the acid gas washing bottle and the alkaline gas washing bottle are communicated in sequence, so that the volatile irritant gas is effectively prevented from being discharged.
Wherein, the acid gas washing bottle is internally provided with acid liquid, alcohols and a first dye; and the alkaline liquid and a second dye are arranged in the alkaline gas washing bottle.
In order to realize that the gas discharged by the fan does not contain solid particles, the air filter comprises a filter screen through which the gas can pass, and the material of the filter screen is made of one or more of PP filter paper, glass fiber, composite PPPET filter paper, melt-blown polyester non-woven fabric and melt-blown glass fiber.
Has the advantages that: the utility model discloses a stool sample effectively gets rid of the stink in the volatile substances that stool sample has irritability at full-automatic nucleic acid extraction in-process indole, skatole (3-methyl indole), ammonia, methane, hydrogen sulfide, acetic acid, butyric acid etc. by the adsorbed purpose.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic diagram of the internal structure of the present invention.
Detailed Description
Referring to fig. 1 and 2, an embodiment of the present invention provides a deodorizing device for a nucleic acid extracting instrument 7, including a deodorizing hole 1 opened at a side of the nucleic acid extracting instrument, an air filter 2 capable of filtering gas and an exhaust system 3 for exhausting gas are provided in the deodorizing hole 1, the exhaust system 3 is connected to a vacuum system 5 capable of capturing and transmitting gas through an exhaust hose 4, and the vacuum system 5 is connected to a gas washing system 6 capable of absorbing gas through the exhaust hose 4.
The air Filter 2 can reach a High efficiency air Filter (HEPA), the effective rate of 0.1 micron and 0.3 micron reaches 99.7%, and the HEPA net is characterized in that air can pass through but fine particles cannot pass through. It can remove the particles with the diameter of less than 0.3 micron (1/200 of the hair diameter) with the efficiency of more than 99.97 percent, and is an effective filtering medium. The polyester fiber melt-blown fiber glass fabric is made of PP filter paper, glass fiber, composite PP PET filter paper, melt-blown polyester non-woven fabric, melt-blown glass fiber and the like.
The exhaust system 3 comprises two fans 31; the vacuum system 5 comprises three vacuum pumps 51.
The gas washing system 6 comprises an acid gas washing bottle 61 and an alkaline gas washing bottle 62, and the vacuum pump 51, the acid gas washing bottle 61 and the alkaline gas washing bottle 62 are communicated in sequence, so that the volatile irritant gas is effectively prevented from being discharged. The acid gas washing bottle 61 is internally provided with acid liquid, alcohols and a first dye; the alkaline scrubber bottle 62 contains an alkaline liquid and a second dye.
The utility model discloses a theory of operation does:
the principle of full-automatic nucleic acid extraction is shown in Chinese patent 2018201003937. During the extraction process, volatile gases, such as indole, skatole (3-methylindole), ammonia, methane, hydrogen sulfide, acetic acid, butyric acid and other irritant volatile substances, are generated.
(1) The gas is first filtered through an air filter 2.
(2) Then pumped by two fans 31 in the exhaust system 3 and transported via the exhaust hose 4 to the vacuum system, which vacuum system 5 collects the gases by means of a vacuum pump 51 and transports them to the scrubbing system 6.
(3) The residual gas passing through the vacuum system 5 reaches the acid gas washing bottle 61 (reaction tank 1) through the exhaust hose 4 and the gas inlet, and mainly contains acid liquid (such as 0.1-1M HCl), alcohols (such as 10% -90% ethanol) and dyes (water-soluble).
(4) The residual gas passing through the acid scrubber 61 reaches the alkaline scrubber 62 (reaction tank 2) through the gas outlet, where mainly alkaline liquid (such as 0.1-1M NaOH) and dyes (water soluble) are present.
(5) The residual gas after passing through the alkaline gas washing bottle 62 is discharged through the gas outlet without irritating volatile smell.
Claims (7)
1. A deodorizing device for a nucleic acid extracting instrument, characterized in that: including seting up in the deodorization hole of nucleic acid extraction appearance side, the downthehole exhaust system that can bleed that is equipped with of deodorization, exhaust system has the vacuum system that can catch and transmit gas through the pipe connection, just vacuum system has the gas washing system that can absorb gas through the pipe connection.
2. The deodorization device for a nucleic acid extractor according to claim 1, wherein: and an air filter is arranged in the deodorization hole and is used as a filtering process before air is extracted by the air extraction system.
3. The deodorization device for a nucleic acid extractor according to claim 1, wherein: the exhaust system includes a fan.
4. The deodorization apparatus for a nucleic acid extractor according to claim 3, wherein: the fan is provided with two.
5. The deodorization device for a nucleic acid extractor according to claim 1, wherein: the vacuum system includes a vacuum pump.
6. The deodorization apparatus for a nucleic acid extractor according to claim 5, wherein: the vacuum pump is provided with three.
7. The deodorization device for a nucleic acid extractor according to claim 1, wherein: the gas washing system comprises an acid gas washing bottle and an alkaline gas washing bottle, and the vacuum system, the acid gas washing bottle and the alkaline gas washing bottle are communicated in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792222.XU CN211522155U (en) | 2019-05-29 | 2019-05-29 | Deodorization device for nucleic acid extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920792222.XU CN211522155U (en) | 2019-05-29 | 2019-05-29 | Deodorization device for nucleic acid extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211522155U true CN211522155U (en) | 2020-09-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920792222.XU Active CN211522155U (en) | 2019-05-29 | 2019-05-29 | Deodorization device for nucleic acid extractor |
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| CN (1) | CN211522155U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125188A (en) * | 2021-04-20 | 2021-07-16 | 深圳零一生命科技有限责任公司 | Full-automatic nucleic acid extraction instrument for fecal samples |
-
2019
- 2019-05-29 CN CN201920792222.XU patent/CN211522155U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113125188A (en) * | 2021-04-20 | 2021-07-16 | 深圳零一生命科技有限责任公司 | Full-automatic nucleic acid extraction instrument for fecal samples |
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