CN108579155B - Filter device for dyeing two insects - Google Patents
Filter device for dyeing two insects Download PDFInfo
- Publication number
- CN108579155B CN108579155B CN201810738525.3A CN201810738525A CN108579155B CN 108579155 B CN108579155 B CN 108579155B CN 201810738525 A CN201810738525 A CN 201810738525A CN 108579155 B CN108579155 B CN 108579155B
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- Prior art keywords
- filter
- negative pressure
- pressure pump
- ball
- communicated
- Prior art date
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- 241000238631 Hexapoda Species 0.000 title claims abstract description 21
- 238000004043 dyeing Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 20
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 238000009423 ventilation Methods 0.000 claims abstract description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 239000010935 stainless steel Substances 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000010186 staining Methods 0.000 claims description 4
- 239000012528 membrane Substances 0.000 abstract description 9
- 238000001514 detection method Methods 0.000 description 6
- 241000223935 Cryptosporidium Species 0.000 description 3
- 241000224466 Giardia Species 0.000 description 3
- 239000000706 filtrate Substances 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 2
- 235000020188 drinking water Nutrition 0.000 description 2
- 210000003250 oocyst Anatomy 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000007885 magnetic separation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004091 panning Methods 0.000 description 1
- 230000003071 parasitic effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007655 standard test method Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/085—Funnel filters; Holders therefor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/28—Preparing specimens for investigation including physical details of (bio-)chemical methods covered elsewhere, e.g. G01N33/50, C12Q
- G01N1/34—Purifying; Cleaning
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention provides a filtering device for dyeing two insects, which is characterized by comprising a filter main body and a case connected below the filter main body, wherein a negative pressure pump is arranged in the case, an inlet of the negative pressure pump is connected with the filter main body, and an outlet of the negative pressure pump is communicated with the outside of the case through a water outlet. The filter main body is provided with a push rod and a knob capable of driving the push rod to move up and down, and a ventilation gasket is arranged at the top of the push rod. When the filter membrane is used, the filter membrane is placed on the breathable gasket, and the breathable gasket can be jacked up by the ejector rod to form a convex arc shape, so that the filter membrane can be conveniently collected. The invention utilizes the negative pressure pump to combine with the filter main body to filter the 'two insects' dyeing, thereby making up the technical blank at home and abroad.
Description
Technical Field
The invention relates to a filtering device for dyeing two insects.
Background
Giardia and cryptosporidium are two protozoon which seriously harm the water quality and are parasitic in human and animal bodies, and the giardia and cryptosporidium are called as two worms for short and can transmit diseases through drinking water, food and other ways.
The detection method of giardia and cryptosporidium/oocyst adopts an immunomagnetic separation fluorescent antibody method specified in national standard test method for domestic drinking Water (GB/T5750.12-2006), and mainly comprises the following steps: sampling, concentrating, panning, IMS magnetic separation, IFA dyeing and microscopic examination. The concentration is an important ring, and because the number of oocysts in the water sample is small, the water sample with a large volume needs to be concentrated, the raw water needs to be 20L, and the treated factory water (pipe network water) needs to be 100L.
At present, a special filtering device special for 'two-worm' dyeing is not available, but is generally used for a water sample filtering device, and the following defects exist:
(1) The existing filtering product is only suitable for a filtering film with the diameter of 47mm or 55mm, and the filtering film with the diameter of 25mm for dyeing of two insects cannot be matched for use;
(2) The existing filtering products generally use a plastic filter bowl as a filtering container, and the two insects are more easily adsorbed by plastic due to the larger volume than bacteria, so that the detection rate is reduced;
(3) The filter and the vacuum pump of the existing filtering product are separated, so that the filtering product is not easy to carry and inconvenient to use on site.
Disclosure of Invention
The invention aims to provide a filtering device for dyeing two insects, which solves the technical problems in the prior art.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a filter equipment for two worm dyeing, its characterized in that includes filter main part and connects the quick-witted case below the filter main part, is equipped with the negative pressure pump in the machine case, the entry of negative pressure pump with filter main part links to each other, and the export is communicated outside the machine case through the delivery port.
The filtering device for dyeing two insects, wherein: and a pressure gauge capable of measuring the pressure of the negative pressure pump is further arranged on the case.
The filtering device for dyeing two insects, wherein: the filter body includes:
the base is used for being fixed on the chassis, and a water flowing port communicated with the inlet of the negative pressure pump is formed on the base;
The body is fixed on the base;
The ejector rod is arranged in the body in a vertically movable way, a runner which is communicated up and down is formed in the ejector rod, and the bottom end of the runner is communicated with the runner port;
A knob which is transversely inserted into the body from the side surface of the body and is eccentrically connected with the ejector rod, and the ejector rod can be moved up and down in the inner body by rotating the knob;
A filter cup is internally provided with a drain hole communicated with the upper end of the flow channel;
and the ventilation gasket is fixed between the leak of the filter cup and the top end of the ejector rod.
The filtering device for dyeing two insects, wherein: the filter bowl is stainless steel, and detachably connects at the top of body.
The filtering device for dyeing two insects, wherein: the diameter of the leakage opening is 20-23mm.
The filtering device for dyeing two insects, wherein: the ball sleeve is fixed on the outer side of the top of the body, the ball sleeve is upwards connected with the spring sleeve through the compression spring in the vertical direction, an inclined plane is arranged on the inner side of the top of the spring sleeve, a ball is arranged between the inclined plane and the ball sleeve, a clamping hole with the diameter smaller than that of the ball is formed in the position, corresponding to the ball, of the ball sleeve, and a clamping groove corresponding to the clamping hole is formed in the outer side of the bottom of the filter bowl.
Compared with the prior art, the invention has the following beneficial effects:
(1) The negative pressure pump is combined with the filter main body to filter the 'two insects' dyeing, so that the technical blank at home and abroad is made up;
(2) The filter membrane is designed and used specially for the 25mm filter membrane used for dyeing the two insects, so that the equipment collocation is facilitated;
(3) The stainless steel filter cup has smooth inner wall, is not easy to adhere to two insects, improves the detection rate, can be directly burnt by flame for sterilization after use, and is convenient and quick to use;
(4) The built-in negative pressure pump is convenient to carry and use, and can meet the field detection requirement.
Drawings
Fig. 1, fig. 2, fig. 3 are a front view, a top view and a side view, respectively, of a filtering device for two-worm staining provided by the present invention;
Fig. 4 is a cross-sectional view of the filter body.
Reference numerals illustrate: a filter body 10; a base 11; a water flow port 111; a body 12; a push rod 13; a flow channel 131; a knob 14; a filter bowl 15; a clamping groove 151; a drain 152; a gas-permeable gasket 16; a ball sleeve 17; a ball 171; a spring sleeve 18; a compression spring 181; a housing 20; a negative pressure pump 21; a water outlet 22; a pressure gauge 23.
Detailed Description
As shown in fig. 1, the invention provides a filtering device for dying two insects, comprising a filter main body 10 and a case 20 connected below a base 11 of the filter main body 10, wherein a power interface and a negative pressure pump 21 connected with the power interface are arranged in the case 20, an inlet of the negative pressure pump 21 is connected with a water flowing port 111 on the base 11 of the filter main body 10, an outlet is communicated to the outside of the case 20 through a water outlet 22, and a pressure gauge 23 capable of measuring the pressure of the negative pressure pump 21 is also arranged on the case 20.
As shown in fig. 4, the filter body 10 includes:
A base 11 fixed to the casing 20, wherein a water drain 111 communicating with an inlet of the negative pressure pump 21 is formed in the base 11;
a body 12 fixed to the base 11;
the ejector rod 13 is arranged in the body 12 in a vertically movable manner, a runner 131 which is communicated with each other vertically is formed in the ejector rod 13, and the bottom end of the runner 131 is communicated with the water flowing port 111;
A knob 14 which is inserted into the body 12 from a side surface of the body 12 and is eccentrically connected to the jack 13, and which can move the jack 13 up and down in the inner body by rotating the knob 14;
The filter bowl 15 is made of stainless steel, and is detachably connected to the top of the body 12 through a clamping groove 151 and a ball, a leak 152 communicated with the upper end of the flow channel 131 is arranged in the filter bowl 15, and the diameter of the leak 152 is smaller than 25mm, preferably 20-23mm;
a gas-permeable gasket 16 is fixed between the leak 152 of the filter bowl 15 and the top end of the ejector rod 13.
In this embodiment, a ball sleeve 17 is fixed on the outer side of the top of the body 12, the ball sleeve 17 is connected with a spring sleeve 18 upward through a compression spring 181 in the vertical direction, an inclined plane is provided on the inner side of the top of the spring sleeve 18, a ball 171 is provided between the inclined plane and the ball sleeve 17, a clamping hole with a diameter smaller than that of the ball 171 is provided on the ball sleeve 17 at a position corresponding to the ball 171, and the clamping groove 151 corresponding to the clamping hole is provided on the outer side of the bottom of the filter bowl 15. When the filter bowl 15 is seated on the top of the body 12, the spring housing 18 is pushed up under the pressure of the spring and presses the balls 171 inwardly by means of the inclined surfaces, and a part of the balls 171 passes through the clamping holes to push up the clamping grooves 151 of the filter bowl 15, so that the filter bowl 15 can be prevented from being released accidentally.
When the invention is used, the knob 14 rotates to enable the ejector rod 13 to be at the lowest position, a filter membrane is placed on the ventilation gasket 16, then a stainless steel filter bowl 15 burnt by flame is fixed at the top of the body 12, water sample concentrated solution of two insects is directly dripped on the filter membrane through the filter bowl 15, a switch of the negative pressure pump 21 is turned on, the vacuum degree is controlled to be 0.5-0.6 MPa through the pressure gauge 23, filtering is carried out, and filtered water solution is discharged out of the box body through the water outlet 22; after the filtration is completed, the switch of the negative pressure pump 21 is turned off, and then the knob 14 is rotated to lift the ejector rod 13, so that the breathable gasket 16 is lifted to form a convex arc shape, and the filter membrane is conveniently removed.
The invention is designed and used specially for the 25mm filter membrane used for dyeing two insects, and fills up the blank; the inner wall of the stainless steel filter bowl 15 is smooth, two insects are not easy to adhere, the detection rate of the stainless steel filter bowl is improved, and the stainless steel filter bowl is directly burnt and sterilized by flame after being used, so that the stainless steel filter bowl is convenient and quick to use; the built-in vacuum pump is convenient to carry and use, and can meet the field detection requirement.
Claims (4)
1. The filtering device for dyeing the two insects is characterized by comprising a filter main body and a case connected below the filter main body, wherein a negative pressure pump is arranged in the case, an inlet of the negative pressure pump is connected with the filter main body, and an outlet of the negative pressure pump is communicated with the outside of the case through a water outlet;
The filter body includes:
the base is used for being fixed on the chassis, and a water flowing port communicated with the inlet of the negative pressure pump is formed on the base;
The body is fixed on the base;
The ejector rod is arranged in the body in a vertically movable way, a runner which is communicated up and down is formed in the ejector rod, and the bottom end of the runner is communicated with the runner port;
a knob which is transversely inserted into the body from the side surface of the body and is eccentrically connected with the ejector rod, and the ejector rod can be vertically moved in the body by rotating the knob;
the filter cup is internally provided with a leak communicated with the upper end of the flow channel, is made of stainless steel and is detachably connected to the top of the body;
and the ventilation gasket is fixed between the leak of the filter cup and the top end of the ejector rod.
2. The filter device for two-worm staining of claim 1, wherein: and a pressure gauge capable of measuring the pressure of the negative pressure pump is further arranged on the case.
3. The filter device for two-worm staining of claim 1, wherein: the diameter of the leakage opening is 20-23mm.
4. The filter device for two-worm staining of claim 1, wherein: the ball sleeve is fixed on the outer side of the top of the body, the ball sleeve is upwards connected with the spring sleeve through the compression spring in the vertical direction, an inclined plane is arranged on the inner side of the top of the spring sleeve, a ball is arranged between the inclined plane and the ball sleeve, a clamping hole with the diameter smaller than that of the ball is formed in the position, corresponding to the ball, of the ball sleeve, and a clamping groove corresponding to the clamping hole is formed in the outer side of the bottom of the filter bowl.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738525.3A CN108579155B (en) | 2018-07-06 | 2018-07-06 | Filter device for dyeing two insects |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810738525.3A CN108579155B (en) | 2018-07-06 | 2018-07-06 | Filter device for dyeing two insects |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108579155A CN108579155A (en) | 2018-09-28 |
| CN108579155B true CN108579155B (en) | 2024-04-23 |
Family
ID=63617716
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810738525.3A Active CN108579155B (en) | 2018-07-06 | 2018-07-06 | Filter device for dyeing two insects |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108579155B (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0224110A2 (en) * | 1985-11-19 | 1987-06-03 | Schleicher & Schuell, Inc. | Bottle top filter |
| EP0873174A1 (en) * | 1995-05-19 | 1998-10-28 | Millipore Corporation | Vacuum filter device and method of manufacturing such device |
| EP0900541A1 (en) * | 1997-09-04 | 1999-03-10 | MELITTA HAUSHALTSPRODUKTE GmbH & Co. Kommanditgesellschaft | Device for preparing aromatic beverages |
| CN202070211U (en) * | 2011-04-13 | 2011-12-14 | 宁海县白石药检仪器厂 | Sealing/opening dual-purpose sterility test thin film filter |
| CN106267949A (en) * | 2016-08-12 | 2017-01-04 | 上海北裕分析仪器股份有限公司 | Can the Quick suction filtration device of in line liquid |
| CN206214895U (en) * | 2016-12-01 | 2017-06-06 | 天津市领航实验设备有限公司 | A kind of simply connected vacuum filtering system |
| CN107569889A (en) * | 2017-10-12 | 2018-01-12 | 西安思坦科技有限公司 | On Cryptosporidium and the filtering recovering device and its system of giardia lamblia stiles |
| CN107571284A (en) * | 2016-07-28 | 2018-01-12 | 珠海智新自动化科技有限公司 | A kind of flexible clamping jaw fast replacing device |
| CN206974792U (en) * | 2017-06-15 | 2018-02-06 | 广西师范学院 | Phytoplankton filters enrichment facility |
| CN207270856U (en) * | 2017-08-29 | 2018-04-27 | 上海北裕分析仪器股份有限公司 | A kind of portable nutsch filter |
| CN207401215U (en) * | 2017-10-12 | 2018-05-25 | 西安思坦科技有限公司 | On Cryptosporidium and the filtering recovering device and its system of giardia lamblia stiles |
| CN208852496U (en) * | 2018-07-06 | 2019-05-14 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for " two worms " dyeing |
-
2018
- 2018-07-06 CN CN201810738525.3A patent/CN108579155B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0224110A2 (en) * | 1985-11-19 | 1987-06-03 | Schleicher & Schuell, Inc. | Bottle top filter |
| EP0873174A1 (en) * | 1995-05-19 | 1998-10-28 | Millipore Corporation | Vacuum filter device and method of manufacturing such device |
| EP0900541A1 (en) * | 1997-09-04 | 1999-03-10 | MELITTA HAUSHALTSPRODUKTE GmbH & Co. Kommanditgesellschaft | Device for preparing aromatic beverages |
| CN202070211U (en) * | 2011-04-13 | 2011-12-14 | 宁海县白石药检仪器厂 | Sealing/opening dual-purpose sterility test thin film filter |
| CN107571284A (en) * | 2016-07-28 | 2018-01-12 | 珠海智新自动化科技有限公司 | A kind of flexible clamping jaw fast replacing device |
| CN106267949A (en) * | 2016-08-12 | 2017-01-04 | 上海北裕分析仪器股份有限公司 | Can the Quick suction filtration device of in line liquid |
| CN206214895U (en) * | 2016-12-01 | 2017-06-06 | 天津市领航实验设备有限公司 | A kind of simply connected vacuum filtering system |
| CN206974792U (en) * | 2017-06-15 | 2018-02-06 | 广西师范学院 | Phytoplankton filters enrichment facility |
| CN207270856U (en) * | 2017-08-29 | 2018-04-27 | 上海北裕分析仪器股份有限公司 | A kind of portable nutsch filter |
| CN107569889A (en) * | 2017-10-12 | 2018-01-12 | 西安思坦科技有限公司 | On Cryptosporidium and the filtering recovering device and its system of giardia lamblia stiles |
| CN207401215U (en) * | 2017-10-12 | 2018-05-25 | 西安思坦科技有限公司 | On Cryptosporidium and the filtering recovering device and its system of giardia lamblia stiles |
| CN208852496U (en) * | 2018-07-06 | 2019-05-14 | 中国疾病预防控制中心环境与健康相关产品安全所 | Filter device for " two worms " dyeing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108579155A (en) | 2018-09-28 |
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