Top sampling device of reaction kettle

Abstract

The utility model relates to the technical field of sampling, and discloses a reaction kettle top sampling device which comprises a sample injection valve, a sampling valve, a purge valve, a vacuum valve, an exhaust valve, a floating ball, a glass sight glass and a sampling bottle, the sample injection valve is fixedly installed at the bottom of the glass sight glass, the sampling valve is fixedly installed at the lower end of the side face of the glass sight glass, and the purge valve is fixedly installed on the sampling bottle. The purging valve is fixedly installed at the upper end of the side face of the glass sight glass, and the vacuum valve is fixedly installed at the upper end of the glass sight glass. When materials in the tank need to be sampled during reaction, viscous and dense material media can be taken out in a negative pressure suction mode to be used for testing, installation and use are convenient, compressed air is introduced on site to be used and operated, the device can be connected with a negative pressure system on site of a user, and each operation link is controlled by opening and closing of a valve so that the sealing effect of the device can be good. And material residues can be avoided by adopting purging, so that the next material sampling is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of sampling, in particular to a sampling device on the top of a reaction kettle. Background Art

[0002] For the chemical and pharmaceutical industries, it is necessary to regularly test the conditions of the reaction materials, such as testing the pH of the materials, or the concentration of certain substances, to facilitate the next step of operation. Since sampling and analysis operations are a high-frequency operation, some reactants may cause certain harm to the operators or even poisoning and casualties, so sampling devices are generally installed on the reactor to facilitate material sampling.

[0003] According to a Chinese patent with the publication number "CN211697080U", a top liquid material sampling device for a normal pressure container or a reactor is disclosed, which includes a sampling tube, a fixing device, a power device, a sampling device and a reflux pipe. The sampling tube is connected with the fixing device, the power device and the sampling device, and the reflux pipe is connected with the sampling device and the fixing device; the sampling tube is fixed on the normal pressure container or the reactor by the fixing device, and the liquid material is taken out from the normal pressure container or the reactor by the power device to be loaded into the sampling device, and the excess part is refluxed into the normal pressure container or the reactor through the reflux pipe. The existing sampling device for the top of the reactor has a poor sealing effect, the valve is not easily closed, and residual material is easily generated, which affects the authenticity of the next sampling. Therefore, a sampling device for the top of the reactor is proposed to solve the above-mentioned problems. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a sampling device on the top of a reaction kettle in view of the deficiencies in the above-mentioned prior art.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is: a sampling device on the top of a reactor, comprising: an injection valve, a sampling valve, a purge valve, a vacuum valve, an exhaust valve, a float, a glass sight glass and a sampling bottle;

[0006] The injection valve is fixedly installed at the bottom of the glass sight glass, the sampling valve is fixedly installed at the lower end of the side of the glass sight glass, the purge valve is fixedly installed at the upper end of the side of the glass sight glass, the vacuum valve is fixedly installed at the upper end of the glass sight glass, the exhaust valve is fixedly installed at the upper end of the side of the glass sight glass, the float is arranged inside the glass sight glass, and the sampling bottle is arranged at the bottom of the sampling valve.

[0007] Preferably, a vacuum generator switch ball valve is fixedly mounted on the vacuum valve, and a purge switch ball valve is fixedly mounted on the purge valve.

[0008] Preferably, the vacuum generator switch ball valve is connected to the purge switch ball valve via a connecting pipe, and the connecting pipe is a stainless steel metal pipe. The setting of the connecting pipe enables the vacuum generator switch ball valve to communicate with the purge switch ball valve.

[0009] Preferably, the sampling valve is connected to the exhaust valve via a connecting hose, and the connecting hose is a rubber hose. The setting of the sampling valve can facilitate pressure extraction of the material in the glass sight glass.

[0010] Preferably, a mounting base is fixedly mounted on the injection valve, and mounting holes are provided on the mounting base. The number of the mounting holes is four, and the four mounting holes are evenly spaced on the mounting base. The sampling device can be conveniently installed on the top of the reactor through the setting of the mounting base.

[0011] Preferably, a sampling tube is fixedly installed at the lower port of the injection valve, an external thread is provided on the outer wall of the upper bottle mouth of the sampling bottle, an internal thread is provided inside the bottom opening of the sampling valve, the sampling bottle is threadedly connected to the bottom opening of the sampling valve, and the material can be sampled by extending the sampling tube into the interior of the reactor. The sampling bottle and the sampling valve are threadedly connected, which facilitates the installation and removal of the sampling bottle on the sampling valve.

[0012] The utility model adopts the above technical solution, which can bring the following beneficial effects:

[0013] The sampling device on the top of the reactor operates through the coordinated operation of the injection valve, sampling valve, purge valve, vacuum valve, exhaust valve, float, glass sight glass, mounting base, sampling bottle, vacuum generator switch ball valve and purge switch ball valve. When it is necessary to sample the material reaction in the tank, the negative pressure suction type can take out the viscous material medium for testing. It is easy to install and use. It can be used and operated as long as there is compressed air access on site. It can also be connected to the negative pressure system on site. Each operation link has valve opening and closing control to make it have a good sealing effect. Purging can avoid material residue and facilitate the sampling of materials next time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a partial cross-sectional structural diagram of the glass sight glass of the utility model.

[0016] In the figure: 1. Injection valve; 2. Sampling valve; 3. Purge valve; 4. Vacuum valve; 5. Exhaust valve; 6. Float; 7. Glass sight glass; 8. Mounting base; 9. Sampling bottle; 10. Vacuum generator switch ball valve; 11. Purge switch ball valve. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0019] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "setting" should be understood in a broad sense, for example, they can be fixedly connected or set, or detachably connected or set, or integrally connected or set. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0020] See also Figure 1-2 One embodiment of the utility model is: a sampling device on the top of a reactor, comprising: an injection valve 1, a sampling valve 2, a purge valve 3, a vacuum valve 4, an exhaust valve 5, a float 6, a glass sight glass 7 and a sampling bottle 9, wherein the float 6 is made of stainless steel corrosion-resistant material;

[0021] The injection valve 1 is fixedly mounted on the bottom of the glass sight glass 7, the sampling valve 2 is fixedly mounted on the lower side of the glass sight glass 7, the purge valve 3 is fixedly mounted on the upper side of the glass sight glass 7, the vacuum valve 4 is fixedly mounted on the upper side of the glass sight glass 7, the exhaust valve 5 is fixedly mounted on the upper side of the glass sight glass 7, the float 6 is arranged inside the glass sight glass 7, and the sampling bottle 9 is arranged at the bottom of the sampling valve 2. When it is necessary to take samples when the material in the tank reacts, the negative pressure suction type can take out the viscous material medium for testing. It is easy to install and use. It can be used and operated as long as there is compressed air access on site. It can also be connected to the negative pressure system on site of the user. The sealing effect is good. The use of purge can avoid material residue and facilitate the sampling of the material next time.

[0022] A vacuum generator switch ball valve 10 is fixedly installed on the vacuum valve 4, and a purge switch ball valve 11 is fixedly installed on the purge valve 3. The vacuum generator switch ball valve 10 is connected to the purge switch ball valve 11 through a connecting pipe, and the connecting pipe is a stainless steel metal pipe. The setting of the connecting pipe can make the vacuum generator switch ball valve 10 communicate with the purge switch ball valve 11.

[0023] The sampling valve 2 is connected to the exhaust valve 5 via a connecting hose, and the connecting hose is a rubber hose. The setting of the sampling valve 2 can facilitate the pressure extraction of the material in the glass sight glass 7.

[0024] A mounting base 8 is fixedly mounted on the injection valve 1, and mounting base 8 is provided with four mounting holes, which are evenly spaced on the mounting base 8. The mounting base 8 can be used to conveniently mount the sampling device on the top of the reactor.

[0025] A sampling tube is fixedly installed at the lower port of the injection valve 1, an external thread is provided on the outer wall of the upper bottle mouth of the sampling bottle 9, an internal thread is provided inside the bottom mouth of the sampling valve 2, the sampling bottle 9 is threadedly connected to the bottom mouth of the sampling valve 2, and the material can be sampled by extending the sampling tube into the interior of the reactor. The sampling bottle 9 and the sampling valve 2 are threadedly connected, so that the sampling bottle 9 can be easily installed and disassembled on the sampling valve 2.

[0026] The sampling device on the top of the reactor solves the residual problem of traditional sampling, and the authenticity and safety of sampling. When the reactor is working, whether the material in the tank meets the production requirements and is qualified, it needs to be sampled and tested. It is designed as a two-block structure, vacuum negative pressure absorption, glass sight glass 7 clearly sees the medium material, positive pressure blows excess medium into the tank, each operation link has valve opening and closing control, and the safety factor and authenticity of sampling are improved.

[0027] Working principle: Install the sampling device on the top of the reactor. When sampling is required:

[0028] The first step is to absorb: first open the injection valve 1, then open the vacuum valve 4, open the vacuum generator switch ball valve 10 to generate vacuum to absorb the medium material in the tank into the glass sight glass 7 for observation, and after the appropriate amount is absorbed, close the injection valve 1, close the vacuum generator switch ball valve 10, and close the vacuum valve 4;

[0029] The second step is sampling: open the sampling valve 2, open the exhaust valve 5, observe whether the material medium enters the sampling bottle 9 properly, then close the sampling valve 2 and the exhaust valve 5;

[0030] The third step is purging: open the injection valve 1, open the purge valve 3, open the purge switch ball valve 11, and after the purge is completed, close the purge switch ball valve 11, close the injection valve 1, and close the purge valve 3. The sampling and purging operation can be completed in three steps.

[0031] The utility model provides a sampling device at the top of a reactor. There are many methods and ways to implement the technical solution. The above is only a preferred embodiment of the utility model. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principle of the utility model. These improvements and modifications should also be regarded as the protection scope of the utility model. All components not specified in this embodiment can be implemented by existing technologies.

Claims

1. A sampling device at the top of a reactor, characterized in that: include: Injection valve (1), sampling valve (2), purge valve (3), vacuum valve (4), exhaust valve (5), float (6), glass sight glass (7) and sampling bottle (9); The injection valve (1) is fixedly mounted on the bottom of the glass sight glass (7), the sampling valve (2) is fixedly mounted on the lower side of the glass sight glass (7), the purge valve (3) is fixedly mounted on the upper side of the glass sight glass (7), the vacuum valve (4) is fixedly mounted on the upper side of the glass sight glass (7), the exhaust valve (5) is fixedly mounted on the upper side of the glass sight glass (7), the float (6) is arranged inside the glass sight glass (7), and the sampling bottle (9) is arranged at the bottom of the sampling valve (2).

2. A sampling device for the top of a reactor according to claim 1, characterized in that: A vacuum generator switch ball valve (10) is fixedly mounted on the vacuum valve (4), and a purge switch ball valve (11) is fixedly mounted on the purge valve (3).

3. A reactor top sampling device according to claim 2, characterized in that: The vacuum generator switch ball valve (10) is connected to the purge switch ball valve (11) via a connecting pipe.

4. A sampling device for the top of a reactor according to claim 1, characterized in that: The sampling valve (2) is connected to the exhaust valve (5) via a connecting hose.

5. The reactor top sampling device according to claim 1, characterized in that: The injection valve (1) is fixedly mounted with a mounting base (8), the mounting base (8) being provided with mounting holes, the number of the mounting holes being four, and the four mounting holes being arranged at equal intervals on the mounting base (8).

6. A reactor top sampling device according to claim 1, characterized in that: A sampling tube is fixedly mounted on the lower port of the injection valve (1); an outer wall of the upper bottle opening of the sampling bottle (9) is provided with an external thread; an inner bottom opening of the sampling valve (2) is provided with an internal thread; and the sampling bottle (9) is threadedly connected to the bottom opening of the sampling valve (2).

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