CN220251429U

CN220251429U - Automatic sampling device

Info

Publication number: CN220251429U
Application number: CN202320145618.1U
Authority: CN
Inventors: 刘标; 李玉田; 周虎
Original assignee: Anhui Golden Sun Biopharmaceuticals Co ltd
Current assignee: Anhui Golden Sun Biopharmaceuticals Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-12-26
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to the technical field of sampling devices, in particular to an automatic sampling device; the first control valve and the second control valve arranged on the air inlet pipe are matched with the third control valve arranged on the sampling pipe, the reaction liquid is gradually pumped into the air inlet pipe and the sampling pipe by utilizing the original high pressure in the reaction kettle through the alternate opening and closing of the second control valve and the third control valve, and finally the reaction liquid sample is taken out; the problem that the pressure relief sampling mode easily influences the liquid chemical reaction rate in the reaction kettle when the liquid for positive pressure reaction in the reaction kettle is sampled is solved.

Description

Automatic sampling device

Technical Field

The utility model relates to the technical field of sampling devices, in particular to an automatic sampling device.

Background

When the reaction kettle is subjected to positive pressure reaction and the reaction substance is in a liquid state, the reaction kettle is affected by the high pressure in the reaction kettle during sampling, when the solution in the reaction process is sampled and detected, in order to prevent the liquid sample from being sprayed out due to the high pressure in the reaction kettle when the sampling pipeline is directly opened, the pressure in the reaction kettle is generally required to be relieved, and then the sampling pipeline is opened to enable the liquid sample to flow out.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides an automatic sampling device, which solves the problem that the pressure relief sampling mode easily influences the liquid chemical reaction rate in a reaction kettle when the liquid for positive pressure reaction in the reaction kettle is sampled.

Technical proposal

In order to achieve the above purpose, the present utility model provides the following technical solutions:

an automatic sampling device comprises a reaction kettle serving as a chemical reaction container, wherein an air inlet pipe is arranged at the top of the reaction kettle, and a sampling mechanism for taking out a liquid sample is arranged on the air inlet pipe.

The sampling mechanism comprises a first control valve arranged at the upper end of the air inlet pipe, a second control valve is arranged at the lower end of the air inlet pipe, a sampling pipe is communicated between the first control valve and the second control valve, and a third control valve is arranged on the sampling pipe.

Preferably, a return pipe is communicated between one side of the third control valve close to the air inlet pipe and the upper end of the second control valve.

Preferably, the second control valve comprises a three-way pipeline arranged on the air inlet pipe, the sampling pipe is horizontally arranged on the three-way pipeline, a partition plate assembly is arranged in the three-way pipeline, a pipe orifice at the top of the three-way pipeline and the sampling pipe are positioned on the same side of the partition plate assembly, through holes are formed in the partition plate assembly, a first baffle plate assembly used for blocking the through holes is connected to the side wall of the three-way pipeline in a threaded manner, the right end of the first baffle plate assembly is arranged on the left side of the partition plate assembly in a sliding manner, and the third control valve is arranged at the pipe orifice at the right end of the three-way pipeline.

Preferably, the baffle assembly comprises a Z-shaped baffle body for dividing the bottom pipe orifice of the three-way pipeline and the sampling pipe, and a first pipe body which is in sliding connection with the right end of the first baffle assembly is arranged on the left side of the baffle body.

Preferably, the first baffle component comprises a rotating rod which is arranged on the side wall of the three-way pipeline in a threaded manner, and a first baffle body which is arranged on the left side of the baffle component is fixed on the rotating rod and is in sliding connection with the inner wall of the first pipe body.

Preferably, the third control valve comprises a second pipe body sleeved on the right pipe orifice of the three-way pipeline, a second baffle plate is slidably arranged in the second pipe body, and a connecting rod penetrating through the through hole is fixed between the second baffle plate and the first baffle plate component.

Advantageous effects

Compared with the prior art, the utility model provides an automatic sampling device, which has the following beneficial effects:

the first control valve and the second control valve arranged on the air inlet pipe are matched with the third control valve arranged on the sampling pipe, the reaction liquid is pumped into the air inlet pipe and the sampling pipe step by utilizing the original high pressure in the reaction kettle through the alternate opening and closing of the second control valve and the third control valve, and finally the reaction liquid sample is taken out.

Through first separation blade subassembly and second separation blade of mutual fixed and respectively with two complex first body and second body, realized opening and closing in turn of second control valve and third control valve at the in-process of once removing first separation blade subassembly, improved the security, also only need the repetition make first separation blade subassembly left and right sides remove can, simplified the sampling operation when taking a sample.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic diagram of a sampling mechanism according to the present utility model;

FIG. 3 is a cross-sectional view of a sampling mechanism according to a second embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a second control valve according to a second embodiment of the present utility model;

FIG. 5 is a schematic view of a first baffle assembly according to a second embodiment of the present utility model;

fig. 6 is a cross-sectional view of a third control valve in a second embodiment of the present utility model.

In the figure: 1. a reaction kettle; 2. an air inlet pipe; 3. a sampling mechanism; 31. a first control valve; 32. a second control valve; 321. a three-way pipe; 322. a separator assembly; 3221. a separator body; 3222. a first tube body; 323. a through hole; 324. a first flap assembly; 3241. a rotating lever; 3242. a first baffle body; 33. a sampling tube; 34. a third control valve; 341. a second tube body; 342. a second baffle; 343. a connecting rod; 35. and (5) a return pipe.

Detailed Description

The embodiments of the present application will be described in detail below with reference to the accompanying drawings and examples, so that the implementation process of how the technical means are applied to solve the technical problems and achieve the technical effects of the present application can be fully understood and implemented accordingly.

Example 1

Fig. 1-2 show an embodiment of the present utility model, in which the reaction solution is sampled while the pressure in the reaction vessel is maintained by the cooperation of a plurality of valves and pipes in the apparatus, so that the rate of chemical reaction is ensured during the sampling process.

The utility model provides an automatic sampling device, including reaction kettle 1 as chemical reaction container, reaction kettle 1 is prior art, can satisfy the various demands of malleation reaction, and not be described again here, reaction kettle 1 top is equipped with intake pipe 2, intake pipe 2 is used for letting in gas to reaction kettle 1, thereby improve the atmospheric pressure in the reaction kettle 1, satisfy the requirement of chemical reaction to the pressure, be equipped with on the intake pipe 2 and be used for taking out the sampling mechanism 3 of liquid sample, sampling mechanism 3 is used for taking a sample to the reaction liquid in the chemical reaction process, thereby conveniently know the process of chemical reaction, thereby appointed reasonable control measure.

The sampling mechanism 3 comprises a first control valve 31 arranged at the upper end of the air inlet pipe 2, a second control valve 32 is arranged at the lower end of the air inlet pipe 2, a sampling pipe 33 is communicated between the first control valve 31 and the second control valve 32, a third control valve 34 is arranged on the sampling pipe 33, when the reaction liquid in the reaction kettle 1 is sampled, the first control valve 31 is closed in the first step, the third control valve 34 is opened after the second control valve 32 is closed, the redundant air pressure in the pipeline between the third control valve 34, the first control valve 31 and the second control valve 32 is removed, the second control valve 32 is opened after the third control valve 34 is closed, the reaction liquid is extruded into the air inlet pipe 2 and the sampling pipe 33 which are stretched into the reaction liquid through the internal air pressure, so that the air in the air inlet pipe 2 and the sampling pipe 33 is compressed, when the pressure of the partially compressed gas is equal to the pressure of the gas in the reaction kettle 1, the reaction liquid does not move any more, the fourth step is repeated until the reaction liquid flows out of the sampling tube 33 in the second and third steps, the reaction liquid gradually flows to the tube orifice of the sampling tube 33 along with each pressure relief and finally flows out of the sampling tube 33, the sampling is successful, the fifth step is to close the third control valve 34, and then the first control valve 31 and the second control valve 32 are opened to stabilize the gas pressure in the reaction kettle 1, so that the extraction of the reaction liquid in the positive pressure reaction process is realized through the steps, and the change of the gas pressure in the reaction kettle 1 is extremely small, thereby ensuring the normal operation of the positive pressure reaction in the reaction kettle 1 in the sampling process and maintaining the rate of the chemical reaction.

As a preferred technical solution of the present embodiment, a return pipe 35 is communicated between the side of the third control valve 34 close to the air inlet pipe 2 and the upper end of the second control valve 32, when the reaction liquid is relatively viscous and the orifice of the sampling pipe 33 is inclined downward, the reaction liquid is easy to adhere to the inner wall of the sampling pipe 33 during sampling, and after the third control valve 34 is closed, the reaction liquid solution gradually accumulates at the third control valve 34, and at this time, the reaction liquid flows into the reaction kettle 1 again through the return pipe 35, thereby reducing waste.

Example two

Fig. 3 to 6 show an embodiment of the present utility model, in which the second control valve 32 and the third control valve 34 are arranged in another way to generate linkage therebetween, so that the two pipes are simultaneously connected only by one, thereby improving the safety in use, avoiding the danger caused by the injection of the reaction solution from the sampling tube 33 due to the simultaneous opening of the second control valve 32 and the third control valve 34, and simplifying the operation.

Compared with the first embodiment, the second embodiment is more optimized in that: the second control valve 32 comprises a three-way pipe 321 arranged on the air inlet pipe 2, the sampling pipe 33 is horizontally arranged on the three-way pipe 321, a baffle plate component 322 is arranged in the three-way pipe 321, the pipe orifice at the top of the three-way pipe 321 and the sampling pipe 33 are positioned on the same side of the baffle plate component 322, a through hole 323 is arranged on the baffle plate component 322, so that reactant liquid can enter the sampling pipe 33 after flowing through the through hole 323, a first baffle plate component 324 used for blocking the through hole 323 is connected to the side wall of the three-way pipe 321 in a threaded manner, the right end of the first baffle plate component 324 is arranged on the left side of the baffle plate component 322 in a sliding manner, a third control valve 34 is arranged at the pipe orifice at the right end of the three-way pipe 321, the third control valve 34 is synchronously driven through the first baffle plate component 324, when the reactant liquid needs to be sampled, the first control valve 31 is closed firstly, then the first baffle plate component 324 is used for blocking the through hole 323, at this time, the third control valve 34 is in an opened state, and then the first shutter assembly 324 is moved to the left to cancel the shielding of the first shutter assembly 324, when the first shutter assembly 324 slides to the left on the diaphragm assembly 322, the third control valve 34 is closed under the driving of the first shutter assembly 324 to allow the reaction liquid sample to enter the pipe, and then the first shutter assembly 324 is moved to the left to block the through hole 323, and then the third control valve 34 is opened under the driving of the first shutter assembly 324 to release the pressure, so that the alternate closing of the second control valve 32 and the third control valve 34 can be realized only by repeatedly moving the first shutter assembly 324 to the left and right, the reaction liquid sample is finally taken out, and only one of the second control valve 32 and the third control valve 34 is kept open during the process, thus, the danger of the reaction liquid being sprayed out caused by the simultaneous opening of the second control valve 32 and the third control valve 34 due to misoperation of staff in the sampling operation process is avoided, the sampling process is safer, and compared with the embodiment, the first disadvantage is that the second control valve 32 and the third control valve 34 are more troublesome to manufacture.

As a preferred technical solution of this embodiment, the partition plate assembly 322 includes a Z-shaped partition plate body 3221 for dividing a bottom pipe orifice of the three-way pipe 321 and the sampling pipe 33, a first pipe 3222 slidably connected to a right end of the first baffle plate assembly 324 is disposed on a left side of the partition plate body 3221, before a relevant portion of the first baffle plate assembly 324 slides out of the first pipe 3222, the third control valve 34 is closed under the driving of the first baffle plate assembly 324, and before the relevant portion of the first baffle plate assembly 324 slides into the first pipe 3222, the third control valve 34 is in a closed state, and after the relevant portion of the first baffle plate assembly 324 extends into the first pipe 3222, the third control valve 34 is opened, so that the second control valve 32 and the third control valve 34 are opened and closed alternately, thereby improving the safety in the sampling process.

As a preferred technical solution of this embodiment, the first baffle assembly 324 includes a rotating rod 3241 screwed on a side wall of the three-way pipe 321, a first baffle body 3242 disposed on a left side of the partition plate assembly 322 is fixed on the rotating rod 3241, the first baffle body 3242 is slidably connected with an inner wall of the first pipe 3222, and the first baffle body 3242 slides left and right in the first pipe 3222 through forward rotation and reverse rotation of the rotating rod 3241, so that the second control valve 32 and the third control valve 34 are alternately opened and closed, and during sampling, a reaction solution can flow out of the sampling pipe 33 only by rotating the rotating rod 3241 back and forth for a plurality of times by staff, so that the danger of spraying the reaction solution caused by simultaneous opening of the second control valve 32 and the third control valve 34 due to misoperation of staff is effectively avoided, and the operation is simplified and safer.

As a preferred technical solution of this embodiment, the third control valve 34 includes a second pipe body 341 sleeved on a right pipe orifice of the three-way pipe 321, a second baffle 342 is slidably disposed in the second pipe body 341, a connecting rod 343 penetrating through the through hole 323 is fixed between the second baffle 342 and the first baffle component 324, when the first baffle body 3242 moves leftwards to be separated from the first pipe 3222, the second baffle 342 slides leftwards into the second pipe body 341 in advance, so that the third control valve 34 is closed, and as the first baffle body 3242 continues to move leftwards, the second control valve 32 is opened, and when the first baffle body 3242 moves rightwards into the first pipe 3222, the second baffle 342 slides rightwards out of the second pipe body 341, so that the operations of closing the second control valve 32 and opening the third control valve 34 are realized at one time, thereby simplifying the employee's operations and being safer.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an automatic sampling device, includes reation kettle (1) as chemical reaction container, and reation kettle (1) top is equipped with intake pipe (2), its characterized in that: the air inlet pipe (2) is provided with a sampling mechanism (3) for taking out a liquid sample;

the sampling mechanism (3) comprises a first control valve (31) arranged at the upper end of the air inlet pipe (2), a second control valve (32) is arranged at the lower end of the air inlet pipe (2), a sampling pipe (33) is communicated between the first control valve (31) and the second control valve (32), and a third control valve (34) is arranged on the sampling pipe (33).

2. An automatic sampling device according to claim 1, wherein: a return pipe (35) is communicated between one side of the third control valve (34) close to the air inlet pipe (2) and the upper end of the second control valve (32).

3. An automatic sampling device according to claim 1, wherein: the second control valve (32) is including setting up three-way pipeline (321) on intake pipe (2), sampling tube (33) horizontal installation is on three-way pipeline (321), be equipped with baffle subassembly (322) in three-way pipeline (321), three-way pipeline (321) top mouth of pipe and sampling tube (33) are located baffle subassembly (322) with one side, be equipped with through-hole (323) on baffle subassembly (322), threaded connection has first separation blade subassembly (324) that are used for blocking through-hole (323) on three-way pipeline (321) lateral wall, first separation blade subassembly (324) right-hand member slides and sets up in baffle subassembly (322) left side, third control valve (34) set up at three-way pipeline (321) right-hand member mouth of pipe.

4. An automatic sampling device according to claim 3, wherein: the baffle assembly (322) comprises a Z-shaped baffle body (3221) for dividing the bottom pipe orifice of the three-way pipeline (321) and the sampling pipe (33), and a first pipe body (3222) which is slidably connected with the right end of the first baffle assembly (324) is arranged on the left side of the baffle body (3221).

5. An automatic sampling device according to claim 4, wherein: the first separation blade assembly (324) comprises a rotating rod (3241) which is arranged on the side wall of the three-way pipeline (321) in a threaded mode, a first separation blade body (3242) which is arranged on the left side of the separation plate assembly (322) is fixed on the rotating rod (3241), and the first separation blade body (3242) is in sliding connection with the inner wall of the first pipe body (3222).

6. An automatic sampling device according to claim 3, wherein: the third control valve (34) comprises a second pipe body (341) sleeved on the pipe orifice on the right side of the three-way pipeline (321), a second baffle piece (342) is arranged in the second pipe body (341) in a sliding mode, and a connecting rod (343) penetrating through the through hole (323) is fixed between the second baffle piece (342) and the first baffle piece assembly (324).