CN211425972U

CN211425972U - Efficient liquid sampling equipment

Info

Publication number: CN211425972U
Application number: CN201922390117.6U
Authority: CN
Inventors: 孙立岩
Original assignee: Guangdong Bonford New Materials Co ltd
Current assignee: Guangdong Bonford New Materials Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-09-04
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a high-efficiency liquid sampling device, which comprises a sampling cavity which is arranged on an upper head of a reaction kettle and is communicated with an inner cavity of the reaction kettle, wherein the sampling cavity is communicated with the reaction kettle through a sampling tube, one end of the sampling tube extends into reaction materials in the reaction kettle from the upper head of the reaction kettle, the other end of the sampling tube is communicated with the bottom of the sampling cavity, the sampling cavity is communicated with a collecting valve which can collect the reaction materials in the sampling cavity, and a vacuum valve which can vacuumize the sampling cavity and a high-pressure gas valve which can pressurize the sampling cavity are respectively communicated above the sampling cavity; and the sampling device does not damage the kettle body and can not cause the pollution of reaction materials in the kettle.

Description

Efficient liquid sampling equipment

Technical Field

The utility model relates to a check out test set field specifically is an efficient liquid sampling equipment.

Background

In the production process of chemical products, in order to know the reaction process of chemical materials and grasp the reaction degree of the products in time, sampling and detecting are needed in time; and judging the maturity of the product through the change of the technical indexes of the sample.

Under most conditions, the materials in the reaction kettle have the problems of high temperature, high viscosity, easy volatilization, toxicity, harm and the like. The sampling device has the advantages that the viscosity of the material is high, and scalding is easy to occur during sampling; the viscosity of the materials is high, so that the sampling is difficult; the material is volatile, so that the sampling accuracy is high; the material is poisonous and harmful, and then influences the health of operating personnel.

How to accurately and safely sample is always a problem which troubles the chemical operation. In actual production, several sampling methods are commonly used: the method has the advantages that an inlet is directly opened for sampling, materials are easily volatilized, the environment is polluted, meanwhile, the opening degree of the inlet is large, and potential safety hazards are easily generated. Another common method is to punch a hole in the middle of the kettle body of the reaction kettle, weld a flange and install a sampling valve. The method has the advantages of accurate, safe and convenient sampling; but has the defects that the kettle body is damaged by drilling and welding; once the welding seam is leaked or damaged in the production process, the repair or replacement is very difficult; for old equipment that has already begun to be produced, it is more difficult to install a sampling valve. The third mode is that a sampling rod is used for sampling from an end socket flange on a kettle top end socket of the reaction kettle, the mode is simple and convenient, the sampling amount is small each time, and a material with small viscosity is difficult to obtain a sample.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can be very convenient, safety and accurately get our required sample, installation, dismantlement, easy maintenance, to the efficient liquid sampling equipment of production facility not damaged.

In order to achieve the above purpose, the utility model adopts the following scheme:

the utility model provides an efficient liquid sampling equipment, is including setting up the sample chamber that is linked together with the reation kettle inner chamber on the reation kettle upper cover, the sample chamber is linked together through sampling tube and reation kettle, and during sampling tube one end stretched into the reaction material in the reation kettle from the reation kettle upper cover, the other end then even communicates with sample chamber bottom the intercommunication has the collection valve that can carry out the collection with the reaction material of sample intracavity sample chamber top intercommunication respectively has the vacuum valve that can carry out the evacuation to the sample intracavity and can carry out the pressurized high-pressure gas valve to the sample intracavity, and the air of vacuum valve in with the sample intracavity is discharged, utilizes the reation kettle in and the reaction material in the sample chamber between the pressure differential messenger reation kettle to sample the intracavity.

Furthermore, be equipped with the sample valve on the sampling tube, the sample valve sets up outside reation kettle.

Further, sample chamber top still is equipped with the atmospheric valve that carries out the evacuation with sample intracavity pressure, can discharge the pressurized gas who fills in sample chamber and reation kettle through the high-pressure gas valve through atmospheric valve, and this pressurized gas can be compressed air also can be nitrogen gas, uses the atmospheric valve to enable effectual messenger's sample operation reduction danger simultaneously.

Preferably, be equipped with the observation sight glass that can be convenient for observe sample intracavity reaction material on the sample chamber, the observation sight glass is the glass sight glass.

Preferably, the observation sight glass is provided with a scale bar, and the scale bar can conveniently measure and calculate the amount of the reaction materials in the sampling cavity.

Preferably, the sampling valve, the vacuum valve, the high-pressure gas valve, the emptying valve and the collecting valve are ball valves.

Preferably, the vacuum valve, the high-pressure gas valve, the emptying valve and the collecting valve are respectively communicated with the sampling cavity through pipelines.

The sampling device is characterized in that a connecting flange is arranged on the sampling pipe, the sampling valve is communicated with one side of the connecting flange, other sampling devices can be detached or installed through the connecting flange when sampling is not needed, and therefore the purpose that one set of sampling device is used on a plurality of reaction kettles can be achieved.

To sum up, the utility model discloses for its beneficial effect of prior art is:

by adopting the above technology, the utility model, can realize through reation kettle upper cover department setting up the sampling tube, install flange on the sampling tube, only need when needing to take a sample after this device is connected with flange through the sampling valve, through taking out vacuum to the sample intracavity with the reaction material in the reation kettle to the sample intracavity, after closing the sampling valve and opening the atmospheric valve and make the pressure balance in the sample intracavity, open the collection valve again and gather the reaction material in the sample intracavity, close the collection valve after gathering and open sampling valve and high-pressure gas valve and make the reaction material in the sample intracavity press back to the reation kettle, realized can be high-efficient, the safe sampling that can not cause environmental pollution; the kettle body is not required to be damaged, and meanwhile, the reaction materials in the kettle are not polluted.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Description of reference numerals: 1. a sampling cavity; 2. a connecting flange; 3. a sampling valve; 4. a vacuum valve; 5. a high pressure gas valve; 6. an emptying valve; 7. a collection valve; 8. a sampling tube; 9. an observation sight glass.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the invention. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing the relationship of one element(s) or feature(s) to another element(s) or feature(s) in the drawings and may encompass different orientations of the device in use or operation and the orientation depicted in the drawings. The devices may be turned to different orientations (rotated 90 degrees or at other orientations) and the spatially relative descriptors used therein should be interpreted accordingly and are not to be construed as limiting the invention, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

as shown in fig. 1, an efficient liquid sampling device, including set up on the reation kettle upper cover with the sample chamber 1 that the reation kettle inner chamber is linked together, sample chamber 1 is linked together with reation kettle through sampling tube 8, 8 one ends of sampling tube stretch into in the reaction material in the reation kettle, 8 other ends of sampling tube are linked together with sample chamber 1, be equipped with sample valve 3 on the sampling tube 8, sample valve 3 sets up outside reation kettle, be equipped with flange 2 on the sampling tube 8, 3 intercommunications of sample valve are in flange 2 one side, also can open the back through reation kettle's cauldron top head flange department and insert sampling tube 8 in the reation kettle sample chamber 1 goes up the intercommunication has the collection valve 7 that can carry out the collection with the reaction material in the sample chamber 1 top intercommunication respectively has the vacuum valve 4 that can carry out the evacuation in the sample chamber 1 and can carry out the pressurized high-pressure gas valve in the sample chamber 1 And a door 5, wherein an emptying valve 6 for emptying the sampling cavity 1 is also arranged above the sampling cavity 1.

The utility model discloses well preferred be equipped with the observation sight glass 9 that can be convenient for observe reaction material in the sample chamber 1 on the sample chamber 1 be equipped with the scale strip on the observation sight glass 9.

The utility model discloses in sampling valve 3, vacuum valve 4, high-pressure gas valve 5, atmospheric valve 6 and collection valve 7 are the ball valve, and 4 one ends of vacuum valve can external evacuation equipment, and 5 one ends of high-pressure gas valve can external air compression equipment.

The utility model discloses in be linked together through the pipeline respectively between vacuum valve 4, high-pressure gas valve 5, atmospheric valve 6 and collection valve 7 and the sample chamber 1.

The utility model discloses the theory of operation as follows:

arranging a sampling pipe 8 which can be communicated with the inside of the reaction kettle at the upper end socket of the reaction kettle, mounting a connecting flange 2 on the sampling pipe 8, and inserting one end of the sampling pipe 8 into the reaction material; the sampling valve 3 is connected with the sampling pipe 8 through the connecting flange 2; when sampling, the vacuum valve 4 and the sampling valve 3 are sequentially opened, and after the sample liquid enters the sampling cavity 1 and rises to a half position of the observation sight glass 9, the sampling valve 3 and the vacuum valve 4 are sequentially closed; opening the emptying valve 6 to keep the air pressure in the sampling cavity 1 at normal pressure; opening the collection valve 7 to enable the sample liquid in the sampling cavity 1 to flow out through the collection valve 7 and to be collected into a sample bottle; after sampling, closing the collecting valve 7; opening the sampling valve 3, then opening the high-pressure gas valve 5, and pressing the materials in the sampling cavity 1 back into the reaction kettle; closing the sampling valve 3; and (3) opening the emptying valve 6 to keep the air pressure in the sampling system at normal pressure, and then closing the emptying valve 6.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A high efficiency liquid sampling device characterized by: including setting up sample chamber (1) that is linked together with the reation kettle inner chamber on reation kettle upper cover, sample chamber (1) is linked together with reation kettle through sampling tube (8), during sampling tube (8) one end stretched into the reactant in reation kettle, sampling tube (8) other end is linked together with sample chamber (1) the intercommunication has collection valve (7) that can carry out the reactant in sample chamber (1) and gather sample chamber (1) top communicates respectively has vacuum valve (4) that can carry out the evacuation in to sample chamber (1) and can carry out pressurized high-pressure gas valve (5) in to sample chamber (1).

2. A high efficiency liquid sampling device according to claim 1, wherein a sampling valve (3) is provided on the sampling tube (8), and the sampling valve (3) is provided outside the reaction vessel.

3. A high efficiency liquid sampling device according to claim 1, wherein an emptying valve (6) for emptying the pressure in the sampling cavity (1) to maintain the sampling cavity (1) at normal pressure is further provided above the sampling cavity (1).

4. A high efficiency liquid sampling device according to claim 2 or 3 wherein the sampling chamber (1) is provided with a sight glass (9) to facilitate viewing of the reaction material in the sampling chamber (1).

5. A high efficiency liquid sampling device according to claim 4 characterised in that a scale is provided on the sight glass (9).

6. A high efficiency liquid sampling device according to claim 2, wherein the sampling valve (3), vacuum valve (4), high pressure gas valve (5), vent valve (6) and collection valve (7) are ball valves.

7. A high efficiency liquid sampling device according to claim 3, wherein the vacuum valve (4), the high pressure gas valve (5), the vent valve (6) and the collection valve (7) are respectively connected with the sampling cavity (1) through pipes.

8. A high efficiency liquid sampling device as claimed in claim 6 wherein the sampling tube (8) located outside the reaction vessel is provided with a connecting flange (2), and the sampling valve (3) communicates with one side of the connecting flange (2).