CN208795537U - The closed filtering and sampling device in scene - Google Patents

Abstract

The utility model discloses a kind of closed filtering and sampling devices in scene, cylinder including hollow setting and the sieve plate in inner barrel chamber, wherein, cylinder includes the upper shell and lower shell for sealing against each other connection, chamber is equipped on upper shell and lower shell, sieve plate separates the chamber of upper shell and lower shell between upper shell and lower shell, and the filter membrane for filtering water sample is equipped on sieve plate, inlet and drain are offered on upper shell, offer leakage fluid dram on lower shell.The utility model proposes the closed filtering and sampling device in scene, detection water is contacted with air when can avoid sampling.

Description

The closed filtering and sampling device in scene

Technical field

The utility model relates to the closed filtering and sampling devices of membrane filtration technical field more particularly to a kind of scene.

Background technique

Suspension content refers to not to be dissolved and be present in water cannot be by the substance of certain pore size in water.Currently, Water sample to be detected is mainly fetched laboratory using containers such as plastic water bottle or water bottles, passed through by the measurement to suspension content Using the nuclepore membrane filter of different pore size, allow water to be detected by filter membrane, according to the weight gain for the volume and filter membrane for crossing drainage Calculate the content of suspended solid in water.When due to being detected complicated component, plastic water bottle and water bottle field sampling in Wastewater Sample It inevitably contacts with air, influenced simultaneously by sample point distance and quantity, water sample has different time placement, to filter to laboratory When, water sample will generate secondary suspended matter, have an impact to detection accuracy.For this reason, it may be necessary to accomplish entirely to field sampling to filtering Process enclosed oxygen isolation shortens the time for being sampled to filtering as far as possible.In addition, being needed using field sampling, the detection mode of indoor filtering Water sample is taken back into laboratory, a large amount of water samples are inconvenient to carry.

Utility model content

The main purpose of the utility model is to provide a kind of closed filtering and sampling devices in scene, it is intended to scene be facilitated to take Sample, while detection water when sampling being avoided to contact with air.

To achieve the above object, the utility model provides a kind of closed filtering and sampling device in scene, including hollow setting Cylinder and the sieve plate in inner barrel chamber, wherein

The cylinder includes the upper shell and lower shell for sealing against each other connection, is equipped with chamber on upper shell and lower shell, Sieve plate separates the chamber of upper shell and lower shell between upper shell and lower shell, is equipped on sieve plate for filtering water sample Filter membrane, offer inlet and drain on upper shell, offer leakage fluid dram on lower shell.

It preferably, is to be detachably connected between the upper shell, lower shell and sieve plate, wherein sieve plate is divided into bracket and hole Plate.

Preferably, the upper shell and lower shell pass through screwed connection.

Preferably, blow valve is installed on the leakage fluid dram.

Preferably, the blow valve uses the design of push type valve inside principle to realize rapid blow-down.

Preferably, the upper shell and lower shell are sealed by the bracket end face of the sieve plate at middle part.

Preferably, quick coupling is mounted on the inlet and leakage fluid dram.

Preferably, the material that the upper shell and lower shell are all made of transparent, non-metallic property is made.

Preferably, sealing ring is also equipped between the upper shell, lower shell and sieve plate carrier end face contact face.

Preferably, the cylinder is cylindrical shape.

The utility model proposes the closed filtering and sampling device in scene, suspended matter can be realized while sewage sampling Filtering, overall process enclosed oxygen isolation guarantee detection accuracy, and easy to carry.Meanwhile the detachable guarantor convenient for safeguarding of each component It supports.

Detailed description of the invention

Fig. 1 is the schematic diagram of internal structure of the closed filtering and sampling device in the utility model scene；

Fig. 2 is the overlooking structure diagram of the closed filtering and sampling device in the utility model scene.

In figure, 1- upper shell, 2- lower shell, 3- sieve plate, 4- inlet, 5- drain, 6- leakage fluid dram.

The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.

Specific embodiment

It should be appreciated that specific embodiment described herein is only used to explain the utility model, it is not used to limit this Utility model.

It should be noted that in the description of the present invention, term " transverse direction ", " longitudinal direction ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, and is not instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.In addition, term " first ", " second " etc. are used for description purposes only, and it should not be understood as instruction or dark Show relative importance.

Referring to Figures 1 and 2, in this preferred embodiment, a kind of closed filtering and sampling device in scene, the cylinder including hollow setting Body and the sieve plate 3 in inner barrel chamber, wherein

Cylinder includes the upper shell 1 and lower shell 2 for sealing against each other connection, is equipped with chamber on upper shell 1 and lower shell 2, Sieve plate 3 separates between upper shell 1 and lower shell 2 and by the chamber of upper shell 1 and lower shell 2, and sieve plate 3 divides for bracket and hole Plate is equipped with the filter membrane for filtering water sample on sieve plate 3, offers inlet 4 and drain 5 on upper shell 1, on lower shell 2 Offer leakage fluid dram 6.

It is preferred that being to be detachably connected between upper shell 1, lower shell 2 and sieve plate 3, to facilitate carry out maintenance.This In embodiment, upper shell 1 and lower shell 2 pass through screwed connection.Filter membrane is placed on sieve plate 3, passes through upper shell 1 and lower shell 2 Screwed connection after compress.

In addition, being equipped with blow valve on leakage fluid dram 6.Blow valve uses the design of push type valve inside principle to realize quickly Emptying.Blow valve is in close state under normal circumstances, and completion pressing blow valve to be sampled realizes pressure release.

In the present embodiment, cylinder is cylindrical shape.The supporting plate end face that upper shell 1 and lower shell 2 pass through the sieve plate 3 at middle part It is sealed.

Further, quick coupling is mounted on inlet 4 and leakage fluid dram 6.It is by using quick coupling, it can be achieved that fast Speed connection import and export pipeline.

Further, the material that upper shell 1 and lower shell 2 are all made of transparent, non-metallic property is made, and on the one hand realizing can Depending on the internal liquid fluidised form of sampler, on the other hand has the advantages that light weight.

Further, sealing ring (sealing is also equipped between 3 carrier end face contact face of upper shell 1, lower shell 2 and sieve plate It is all made of " O " shape sealing ring), so that the sealing performance of this cylinder can be improved.

When sampling, water sample is entered by the inlet 4 of the closed filtering and sampling device in this scene, passes through 3 filter membrane of sieve plate at middle part It is filtered, finally, filtered water to be introduced to the volume of graduated cylinder record filtering liquid by the leakage fluid dram 6 of lower part, is taken to realize The overall process enclosed oxygen isolation of sample and filtering, while laboratory is gone back to without band water after filter, it is only necessary to filter device is taken back, it is easy to carry.

The closed filtering and sampling device in scene that the present embodiment proposes, can realize the mistake of suspended matter while sewage sampling Filter, overall process enclosed oxygen isolation guarantee detection accuracy, and easy to carry.Meanwhile the detachable maintenance convenient for safeguarding of each component.

The above is only the preferred embodiments of the utility model, and therefore it does not limit the scope of the patent of the utility model, all Equivalent structure transformation made based on the specification and figures of the utility model, it is relevant to be applied directly or indirectly in other Technical field is also included in the patent protection scope of the utility model.

Claims (10)

1. a kind of closed filtering and sampling device in scene, which is characterized in that cylinder including hollow setting and be located at inner barrel Sieve plate in chamber, wherein

The cylinder includes the upper shell and lower shell for sealing against each other connection, is equipped with chamber, sieve plate on upper shell and lower shell The chamber of upper shell and lower shell is separated between upper shell and lower shell, the filter for filtering water sample is installed on sieve plate Film offers inlet and drain on upper shell, offers leakage fluid dram on lower shell.

2. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that the upper shell, lower shell and sieve It is to be detachably connected between plate, wherein sieve plate is divided into bracket and orifice plate.

3. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that the upper shell and lower shell pass through Screwed connection.

4. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that be equipped with emptying on the leakage fluid dram Valve.

5. the closed filtering and sampling device in scene as claimed in claim 4, which is characterized in that the blow valve uses push type gas Door core principle design is quickly bled off pressure with realizing.

6. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that the upper shell and lower shell pass through The bracket end face of the sieve plate at middle part is sealed.

7. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that on the inlet and leakage fluid dram Quick coupling is installed.

8. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that the upper shell and lower shell are adopted It is made of the material of transparent, non-metallic property.

9. the closed filtering and sampling device in scene as described in claim 1, which is characterized in that the upper shell, lower shell and sieve Sealing ring is also equipped between the contact surface of board bracket end face.

10. the closed filtering and sampling device in scene as in one of claimed in any of claims 1 to 9, which is characterized in that the cylinder For cylindrical shape.