CN204594750U - Closed sampling device - Google Patents
Closed sampling device Download PDFInfo
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- CN204594750U CN204594750U CN201520281498.3U CN201520281498U CN204594750U CN 204594750 U CN204594750 U CN 204594750U CN 201520281498 U CN201520281498 U CN 201520281498U CN 204594750 U CN204594750 U CN 204594750U
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- sampling
- sampling device
- recirculatory pipe
- closed
- lower extending
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Abstract
The utility model provides closed sampling device, comprise lower extending tube, sampling pump, sample valve and recirculatory pipe, the entrance point of described sampling pump connects described lower extending tube, described lower extending tube to stretch in reactor under sample liquid level, the endpiece of described sampling pump connects described sample valve and described recirculatory pipe, and described recirculatory pipe stretches in described reactor.Closed sampling device described in the utility model, sampling process is simplified; The sample got is even, and analysis result can react really produces progress; The operation of stopping in sampling process pollutes reactant in still; Stop the potential safety hazard in sampling process; Reduce the harm that sampling process causes personnel health; Solve in sampling process, the aqueous vapor in air is on the impact of reaction; Solve in sampling process the air pollution causing noxious odor to be dispersed into cause in air.
Description
Technical field
The utility model belongs to chemical instrument field, is specifically related to closed sampling device.
Background technology
Sample in a kettle. and adopted uncovered sampling in the past, its shortcoming is complex operation, refers to Fig. 1, Fig. 1 be in prior art reactor and sampler with the use of schematic diagram.As shown in Figure 1, in uncovered sampling process, generally sampling jar b can be lifted up in reactor by sampling rope a and sample, following defect can be caused like this: 1: sampling is even not, can not accurately react actual conditions, misleads and produces progress; 2: in uncovered sampling process, the Reusability of sampling jar b, easily causes the pollution of material in still; 3: uncovered sampling, need staff nearby sample tap operate, if containing harmful volatile matter in still, then easy operating personnel's health to be damaged; 4: in uncovered sampling process, the aqueous vapor in air easily enters kettle, destroys the water-less environment in still; 5: uncovered sampling very easily makes harmful material having pungent odour with some in still be dispersed in air, affects environment, causes huge environmental protection pressure to production.
Utility model content
The technical problems to be solved in the utility model is to provide closed sampling device, overcomes the defect of above-mentioned prior art, avoids sampling easily contaminated, the problem that is easily changed character, human body easily produced to harm, contaminated environment of material in uneven, still.
For solving the problems of the technologies described above, the utility model provides closed sampling device, comprises lower extending tube, sampling pump, sample valve and recirculatory pipe,
The entrance point of described sampling pump connects described lower extending tube, and described lower extending tube stretches in reactor under sample liquid level, and the endpiece of described sampling pump connects described sample valve and described recirculatory pipe, and described recirculatory pipe stretches in described reactor.
As a kind of preferred version of closed sampling device described in the utility model, described closed sampling device also comprises the first valve, and described first valve is arranged between described sampling pump and described lower extending tube.
As a kind of preferred version of closed sampling device described in the utility model, described closed sampling device also comprises the second valve, and described second valve is arranged between described sampling pump and described recirculatory pipe.
As a kind of preferred version of closed sampling device described in the utility model, the nominal diameter of described lower extending tube is DN15.
As a kind of preferred version of closed sampling device described in the utility model, the nominal diameter of described recirculatory pipe is DN15.
As a kind of preferred version of closed sampling device described in the utility model, the length of described recirculatory pipe part in described reactor is 20cm.
As a kind of preferred version of closed sampling device described in the utility model, described recirculatory pipe is stainless-steel tube.
As a kind of preferred version of closed sampling device described in the utility model, described sampling pump is membrane pump.
Compared with prior art, the closed sampling device that the utility model proposes, sampling process is simplified; The sample got is even, and analysis result can react really produces progress; The operation of stopping in sampling process pollutes reactant in still; Stop the potential safety hazard in sampling process; Reduce the harm that sampling process causes personnel health; Solve in sampling process, the aqueous vapor in air is on the impact of reaction; Solve in sampling process the air pollution causing noxious odor to be dispersed into cause in air.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.Wherein,
Fig. 1 be in prior art reactor and sampler with the use of schematic diagram; With,
Fig. 2 is that closed sampling device of the present utility model and reactor are with the use of schematic diagram.
Wherein: a is sampling rope, b is sampling jar, 1 be sampling pump for lower extending tube, 2 is the first valve, 3,4 for sample valve, 5 be that the second valve, 6 is for recirculatory pipe.
Embodiment
Closed sampling device described in the utility model, it comprises: lower extending tube 1, sampling pump 3, sample valve 4 and recirculatory pipe 6.
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in further detail the utility model below in conjunction with embodiment.
First, alleged herein " embodiment " or " embodiment " refers to special characteristic, structure or the characteristic that can be contained at least one implementation of the utility model.Different local in this manual " in one embodiment " occurred not all refers to same embodiment, neither be independent or optionally mutually exclusive with other embodiments embodiment.
Secondly; the utility model utilizes structural representation etc. to be described in detail; when describing the utility model embodiment in detail; for ease of explanation; represent that the schematic diagram of closed sampling device structure can be disobeyed general ratio and be made partial enlargement; and described schematic diagram is example, it should not limit the scope of the utility model protection at this.In addition, the three dimensions of length, width and the degree of depth should be comprised in actual fabrication.
Embodiment one
Refer to Fig. 2, Fig. 2 is that closed sampling device of the present utility model and reactor are with the use of schematic diagram.As shown in Figure 2, in order to better introduce described closed sampling device, first the structure of lower reactor is introduced, described reactor comprises kettle (not shown) and kettle cover (not shown), described kettle and kettle cover mate mutually, and described kettle cover lid is located on described kettle and forms the container with lid that an inside can hold solid or liquid.Described kettle cover is provided with a sample tap (not shown) that reactor inside is in communication with the outside, described sample tap upper cover establishes a flange plate (not shown), described flange plate offers the first through hole (not shown) and the second through hole (not shown).
Described closed sampling device, comprise lower extending tube 1, sampling pump 3, sample valve 4 and recirculatory pipe 6, the entrance point of described sampling pump 3 connects described lower extending tube 1, described lower extending tube 1 to stretch in reactor under sample liquid level by described first through hole, the endpiece of described sampling pump 3 connects described sample valve 4 and described recirculatory pipe 6, and described recirculatory pipe 6 is stretched in described reactor by described second through hole.
When sampling, sampling pump 3 works, sample liquid in described reactor through sampling pump 3 described in the suction of described lower extending tube 1, open described sample valve 4 and obtain sample liquid, after sample liquid sampling to be done, close described sample valve 4, unnecessary sample liquid flows back in described reactor through described recirculatory pipe 6.
In a preferred embodiment, described closed sampling device also comprises the first valve 2, and described first valve 2 is arranged between described sampling pump 3 and described lower extending tube 1.Equally, described closed sampling device also comprises the second valve 5, and described second valve 5 is arranged between described sampling pump 3 and described recirculatory pipe 6.The benefit of such setting is 1: be convenient to the cleaning of sampling pump 3 and sample valve 4, replacing and maintenance; 2: the use amount being convenient to more accurate Quality control liquid, avoid waste or rotten.
The nominal diameter of described lower extending tube 1 is preferably DN15.The nominal diameter of described recirculatory pipe 6 is preferably DN15.The length of described recirculatory pipe 6 part in described reactor is preferably 20cm.Described recirculatory pipe 6 can be stainless-steel tube.Described sampling pump 3 is preferably membrane pump.
Those of ordinary skill in affiliated field should be understood that, one of feature of the present utility model or object are: closed sampling device described in the utility model, and sampling process is simplified; The sample got is even, and analysis result can react really produces progress; The operation of stopping in sampling process pollutes reactant in still; Stop the potential safety hazard in sampling process; Reduce the harm that sampling process causes personnel health; Solve in sampling process, the aqueous vapor in air is on the impact of reaction; Solve in sampling process the air pollution causing noxious odor to be dispersed into cause in air.
It should be noted that, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (8)
1. closed sampling device, is characterized in that: comprise lower extending tube, sampling pump, sample valve and recirculatory pipe,
The entrance point of described sampling pump connects described lower extending tube, and described lower extending tube stretches in reactor under sample liquid level, and the endpiece of described sampling pump connects described sample valve and described recirculatory pipe, and described recirculatory pipe stretches in described reactor.
2. closed sampling device as claimed in claim 1, it is characterized in that: described closed sampling device also comprises the first valve, described first valve is arranged between described sampling pump and described lower extending tube.
3. closed sampling device as claimed in claim 1, it is characterized in that: described closed sampling device also comprises the second valve, described second valve is arranged between described sampling pump and described recirculatory pipe.
4. closed sampling device as claimed in claim 1, is characterized in that: the nominal diameter of described lower extending tube is DN15.
5. closed sampling device as claimed in claim 1, is characterized in that: the nominal diameter of described recirculatory pipe is DN15.
6. closed sampling device as claimed in claim 1, is characterized in that: the length of described recirculatory pipe part in described reactor is 20cm.
7. closed sampling device as claimed in claim 1, is characterized in that: described recirculatory pipe is stainless-steel tube.
8. closed sampling device as claimed in claim 1, is characterized in that: described sampling pump is membrane pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281498.3U CN204594750U (en) | 2015-05-04 | 2015-05-04 | Closed sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520281498.3U CN204594750U (en) | 2015-05-04 | 2015-05-04 | Closed sampling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204594750U true CN204594750U (en) | 2015-08-26 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520281498.3U Active CN204594750U (en) | 2015-05-04 | 2015-05-04 | Closed sampling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204594750U (en) |
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2015
- 2015-05-04 CN CN201520281498.3U patent/CN204594750U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |