CN214121675U

CN214121675U - Airtight sampling device for reation kettle

Info

Publication number: CN214121675U
Application number: CN202023158526.2U
Authority: CN
Inventors: 张帅; 李素滨; 张跃斌
Original assignee: Xinxiang Shuangcheng Environmental Protection Equipment Co ltd
Current assignee: Henan Shuangcheng Environmental Technology Co.,Ltd.
Priority date: 2020-12-24
Filing date: 2020-12-24
Publication date: 2021-09-03
Anticipated expiration: 2030-12-24

Abstract

The utility model relates to the technical field of chemical production auxiliary equipment, in particular to a closed sampling device for a reaction kettle, which comprises a sampling tube, wherein a valve is arranged at the sampling port of the sampling tube, one end of the sampling tube, which is positioned at the outer side of the reaction kettle, is connected with a collecting component, the collecting component comprises a supporting seat, a detachable collecting bottle is arranged on the supporting seat, the sampling tube is connected with the collecting bottle through a conveying tube, a backflow unit is arranged at the joint of the conveying tube and the sampling tube, the sampling device is arranged on the reaction kettle, the backflow unit is additionally arranged on the sampling device, the collected materials and the materials in the reaction kettle are circulated for many times when the materials are collected, so as to ensure that the precision of the samples collected reversely is higher, the collecting component is additionally arranged on the sampling device, the collected materials are stored through the design of the collecting component, and a heating component is additionally arranged outside the collecting bottle, the collected materials are insulated through the heating assembly, and the materials are prevented from being crystallized to influence test data.

Description

Airtight sampling device for reation kettle

Technical Field

The utility model relates to a chemical production auxiliary assembly technical field especially relates to an airtight sampling device is used to reation kettle.

Background

Production of chemical enterprises, often need use reation kettle to come to produce and allotment compound in the production engineering, inevitable need carry out the sampling detection to some products in this process convergence in order to confirm whether the revolving stage of product in production accords with the standard, but when taking a sample to some toxic compounds, inevitable can produce the poison gas loss, influence operation personnel's safety, simultaneously because the sample can cause article and external world in the reation kettle to contact, can cause certain degree material pollution, influence production quality, need carry out the material of in the sampling pipe and the material in the reation kettle in the sampling process and exchange many times in order to guarantee the accuracy and the commonality of material collection, but many times exchange needs to gather many times, cause the material cup pollution in the reation kettle easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome not enough among the prior art, provide a closed sampling device for reation kettle that can carry out material circulation.

The utility model discloses a realize through following technical scheme: the utility model provides a reation kettle uses airtight sampling device, includes the sampling tube, the sample connection department of sampling tube is provided with the valve, the one end that the sampling tube is located the reation kettle outside is connected with the collection subassembly, the collection subassembly includes the supporting seat, install the detachable receiving flask on the supporting seat, the sampling tube passes through duct connections with the receiving flask, the conveyer pipe is provided with the backward flow unit with the sampling tube junction, the backward flow unit is including the tee bend pipe fitting of connecting conveyer pipe and sampling tube, tee bend pipe fitting and duct connections's one end is provided with the sampling valve, and the other end is connected with the circulating line, the last circulating valve that is provided with of circulating line, the one end that the circulating line is located the reation kettle outside is provided with pressure device, pressure device passes through the connecting pipe with the circulating line and is connected, be provided with the atmospheric valve on the connecting pipe.

Furthermore, a connecting flange is arranged on the outer side wall of the sampling tube, a sealing block is arranged on the lower surface of the connecting flange, and the section of the sealing block is trapezoidal.

Further, the valve is a one-way valve.

Further, the collecting bottle comprises a bottle body, a connecting portion is arranged at one end of the bottle body, one end, far away from the bottle body, of the connecting portion is connected with the conveying pipe, and a sealing valve is arranged at the connecting portion.

Further, the bottom of supporting seat articulates there is the dodge gate.

Further, be provided with heating element on the lateral wall of supporting seat, heating element includes the water tank, delivery port and water inlet have been seted up on the water tank, pass through heat transfer pipeline connection between water inlet and the delivery port.

Furthermore, the middle part of the heat exchange pipeline is surrounded on the outer side wall of the supporting seat, and a buckle for clamping the heat exchange pipe is arranged on the outer side wall of the supporting seat.

The beneficial effects of the utility model reside in that: through setting up the sampler on reation kettle, add the backward flow unit on the sampler, material that will gather when gathering the material carries out manifold cycles with the material in the reation kettle, it is higher to ensure the sample precision of anti-gathering, through install the collection subassembly additional on the sampler, the material of gathering is deposited through the design of collecting the subassembly, add in the outside of receiving flask and be equipped with heating element, keep warm to the material of gathering through heating element, guarantee that the material can not crystallize and influence experimental data.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the support base of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Wherein: 1- -sampling tube; 2-a valve; 3-a reaction kettle; 4-collecting bottle; 5-conveying pipe; 6-tee pipe fitting; 7-a sampling valve; 8-a circulation pipeline; 9-circulating valve; 10-connecting pipe; 11-a blow-down valve; 12-bottle body; 13-a connecting part; 14-a sealing valve; 15-a movable door; 16 water tanks; 17-a heat exchange conduit; 18-snap fastener.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

As shown in figures 1-3, a closed sampling device for a reaction kettle comprises a sampling tube 1, a valve 2 is arranged at the sampling port of the sampling tube 1, the valve 2 is a check valve, the check valve is arranged to prevent the sample in the sampling tube 1 from losing, so as to facilitate sampling, a collecting component is connected to one end of the sampling tube 1, which is positioned at the outer side of the reaction kettle 3, the collecting component comprises a supporting seat, a detachable collecting bottle 4 is mounted on the supporting seat, the collecting bottle 4 comprises a bottle body 12, a connecting part 13 is arranged at one end of the bottle body 12, the free end of the connecting part 13 is connected with a conveying pipe 5, a sealing valve 14 is arranged at the connecting part 13, the collected sample is sealed by the sealing valve 14 to prevent leakage, a movable door 15 is hinged to the bottom of the supporting seat, the taking of the bottle body 12 is facilitated by the arrangement of the movable door 15, the sampling tube 1 is connected with the collecting bottle 4 by the conveying pipe 5, a backflow unit is arranged at the connecting part of the conveying pipe 5 and the sampling tube 1, the reflux unit comprises a tee pipe fitting 6 for connecting the conveying pipe 5 and the sampling pipe, one end of the tee pipe fitting 6 connected with the conveying pipe 5 is provided with a sampling valve 7, the other end of the tee pipe fitting is connected with a circulating pipeline 8, the circulating pipeline 8 is provided with a circulating valve 9, the other end of the circulating pipeline 8 extends into the reaction kettle 3, one end of the circulating pipeline 8 positioned outside the reaction kettle 3 is provided with a pressurizing device, the pressurizing device is connected with the circulating pipeline 8 through a connecting pipe 10, the connecting pipe 10 is provided with an emptying valve 11, materials in the sampling pipe 1 and materials in the reaction kettle 3 are exchanged through a circulating assembly, the sampling result is ensured to be more accurate, the outer side wall of the connection part of the sampling pipe 1 and the reaction kettle 3 is provided with a connecting flange, the lower surface of the connecting flange is provided with a sealing block, the section of the sealing block is trapezoidal, and the connection part of the sampling pipe and the reaction kettle 3 can be sealed through the design of the sealing block, preventing the leakage of the materials.

Further, be provided with heating element on the lateral wall of supporting seat, heating element includes water tank 16, has seted up delivery port and water inlet on the water tank 16, water inlet department installs the circulating pump, be connected through heat transfer pipeline 17 between water inlet and the delivery port, heat transfer pipeline 17's middle part is encircleed on the lateral wall of supporting seat, be provided with the buckle 18 that is used for the joint heat exchange tube to on the lateral wall of supporting seat, provide power for the flow of water in the water tank 16 through the circulating pump, fix heat transfer pipeline 17 through the bayonet socket, avoid heat transfer pipeline 17 intertwine to influence the heat transfer effect, convenient the dismantlement when dismantling simultaneously, sample in bottle 12 is heated through heating element's setting, prevent the sample crystallization.

When in use, the first step: the one-way valve is in a normally open state, and after the sampler is inserted into the material liquid in the reaction kettle, the liquid level in the sampler is flush with the liquid level in the reaction kettle 3. During sampling, the sampling valve and the emptying valve 11 are closed, the circulating valve 9 and the nitrogen gas charging valve 2 are opened, the sampler is charged with nitrogen gas or held by hand to apply pressure, the one-way valve is closed, the sampler is continuously charged with gas to apply pressure, and a sample in the sampler circulates with the feed liquid in the kettle through the circulating valve 9 through the sampling tube 1. And observing through a sight glass, and when no sample liquid passes through the sight glass, finishing one cycle.

Step two: and after the primary circulation is finished, opening the emptying valve 11, feeding the material liquid in the kettle into the sampler again, closing the emptying valve 11 after the sampler is level with the material liquid level in the kettle, and repeating the operation in the first step. The sample in the sampler and the feed liquid in the kettle are uniformly mixed for several times.

Step three: after 5 times of circulation, formal sampling is started. And (3) closing the circulating valve 9, opening the emptying valve 11, enabling the feed liquid in the kettle to enter the sampler, closing the emptying valve 11 after the liquid level is stable, opening the sampling valve, continuing to inflate and apply pressure to the sampler, and enabling the sample to enter the sampling bottle through the sampling valve 2 through the sampling pipe 1.

Step four: after sampling is finished, the sampling valve is closed, the circulating valve 9 is opened, and air inflation and pressure application are continued, so that sample liquid remaining in the pipe flows back to the reaction kettle 3.

Remove in 12 words supporting seats of bottle after the sample is accomplished, detachable 12 convenient many times of bottle samples and carry out contrast test.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a reation kettle uses airtight sampling device, includes the sampling tube, its characterized in that: the utility model discloses a reaction kettle, including sampling pipe, return pipe, sampling pipe, return pipe, sampling pipe and sampling pipe junction, the sampling pipe's of sampling pipe sampling port department is provided with the valve, the one end that the sampling pipe is located the reation kettle outside is connected with the collection subassembly, the collection subassembly includes the supporting seat, install the detachable receiving flask on the supporting seat, the sampling pipe passes through duct connections with the receiving flask, the conveyer pipe is provided with the backward flow unit with the sampling pipe junction, the backward flow unit is including the tee bend pipe fitting of connecting conveyer pipe and sampling pipe, the tee bend pipe fitting is provided with the sampling valve with duct connections's one end, and the other end is connected with the circulating line, be provided with the atmospheric valve on the circulating line, the one end that the circulating line is located the reation kettle is provided with pressure device, pressure device passes through the connecting pipe with the circulating line and is connected, be provided with the atmospheric valve on the connecting pipe.

2. The closed sampling device for the reaction kettle according to claim 1, wherein: the sampling tube is characterized in that a connecting flange is arranged on the outer side wall of the sampling tube, a sealing block is arranged on the lower surface of the connecting flange, and the section of the sealing block is trapezoidal.

3. The closed sampling device for the reaction kettle according to claim 1, wherein: the valve is a one-way valve.

4. The closed sampling device for the reaction kettle according to claim 1, wherein: the collecting bottle comprises a bottle body, a connecting portion is arranged at one end of the bottle body, one end, far away from the bottle body, of the connecting portion is connected with the conveying pipe, and a sealing valve is arranged at the connecting portion.

5. The closed sampling device for the reaction kettle according to claim 1, wherein: the bottom of supporting seat articulates there is the dodge gate.

6. The closed sampling device for the reaction kettle according to claim 5, wherein: the outer side wall of the supporting seat is provided with a heating assembly, the heating assembly comprises a water tank, the water tank is provided with a water outlet and a water inlet, and the water inlet is connected with the water outlet through a heat exchange pipeline.

7. The closed sampling device for the reaction kettle according to claim 6, wherein: the middle part of the heat exchange pipeline is surrounded on the outer side wall of the supporting seat, and a buckle used for clamping the heat exchange pipe is arranged on the outer side wall of the supporting seat.