CN217765650U - Manual sampling system with vacuum tank - Google Patents

Abstract

Take vacuum tank manual sampling system belongs to sampling system technical field. The method is characterized in that: the one end of sampling tube (2) is for being used for inserting the sample portion in the material, the other end is linked together with the input port of stop valve (6), the delivery outlet of stop valve (6) is linked together with buffer's bottom and sample valve (7)'s input port simultaneously, buffer's top is linked together with the delivery outlet of sample valve (7) simultaneously, the delivery outlet of purge valve (10) and the input port of bleeder valve (11), the delivery outlet of sample valve (7) still is provided with the butt joint portion that is used for connecting sample bottle (25), the butt joint portion sets up the downside at the delivery outlet of sample valve (7). This take manual sampling system of vacuum tank sends out the material in buffer through the negative pressure, and the material flows into the sample bottle under the action of gravity in, can make the material flow into the sample bottle fast in, has realized quick sample, has improved sample rate.

Description

Manual sampling system with vacuum tank

Technical Field

Take vacuum tank manual sampling system belongs to sampling system technical field.

Background

When chemical enterprises measure the reaction end point of materials in a reaction kettle, the materials in the reaction kettle are generally required to be sampled so as to measure the reaction end point. The utility model discloses an application number 202021529251.6's chinese utility model patent discloses a airtight online sampler of low-loss risk improved generation reation kettle, what its material entered into in the sampling bottle by the sample buffer tank is the difference in height, and the speed that its material flowed into in the sampling bottle is slow, and when meetting the material sample that viscosity is big by it, sampling speed used very inconveniently very slowly. Secondly, it directly vacuums to the sample buffer tank through the vacuum valve, appears the material very easily and enters into the problem in the vacuum system by the vacuum valve, causes the damage to the vacuum system easily.

Disclosure of Invention

The to-be-solved technical problem of the utility model is: overcome prior art's not enough, provide one kind and can utilize the negative pressure to send into the material in the buffer into the sample bottle in, make and get the manual sampling system of material speed with vacuum tank that accelerates.

The utility model provides a technical scheme that its technical problem adopted is: this take manual sampling system of vacuum tank, its characterized in that: including the sampling tube, the stop valve, the sample valve, the purge valve, bleeder valve and buffer, the one end of sampling tube is for being used for inserting the sample portion in the material, the other end is linked together with the input port of stop valve, the delivery outlet of stop valve is linked together with buffer's bottom and sample valve's input port simultaneously, buffer's top is simultaneously with the delivery outlet of sample valve, the delivery outlet of purge valve and bleeder valve's input port are linked together, the delivery outlet of sample valve still is provided with the butt joint portion that is used for connecting the sampling bottle, the downside at the delivery outlet of sample valve is set up to butt joint portion.

Preferably, the buffer device comprises a glass visual cup, the bottom of the glass visual cup is communicated with the output port of the stop valve and the input port of the sampling valve, and the top of the glass visual cup is communicated with the output port of the sampling valve, the output port of the purging valve and the input port of the extraction valve.

Preferably, the buffering device further comprises a floating ball arranged in the glass sight cup, an upper sealing portion is arranged at the top of the glass sight cup, a lower sealing portion is arranged at the bottom of the glass sight cup, and the floating ball and the inner wall of the glass sight cup are sealed and arranged in a relative sliding mode.

Preferably, the sampling device further comprises an exhaust valve, the output port of the sampling valve is communicated with the input port of the exhaust valve, and the output port of the exhaust valve is communicated with the top of the buffer device.

Preferably, the device also comprises a vacuum buffer tank, the vacuum buffer tank is communicated with an output port of the extraction valve, and the vacuum buffer tank is connected with a vacuum extraction valve.

Preferably, the bottom of the vacuum buffer tank is also connected with a drain valve.

Preferably, the sampling device further comprises an insertion tube, the insertion tube is sleeved outside the sampling tube and connected with the stop valve, and the sampling part of the sampling tube extends out of the insertion tube.

Compared with the prior art, the utility model discloses the beneficial effect who has is:

this take manual sampling system of vacuum tank is at the during operation, earlier with the sample valve and the purge valve is closed, and open stop valve and bleeder valve, bleed through the bleeder valve, can will treat the sample material and send into buffer, close stop valve and purge valve, open sample valve and bleeder valve simultaneously, send out the material in the buffer through the negative pressure, the material flows into in the sampling bottle under the action of gravity, can make the material flow into the sampling bottle fast in, quick sample has been realized, the sampling speed has been improved.

Drawings

FIG. 1 is a schematic sectional front view of a manual sampling system with a vacuum tank.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

In the figure: 1. the device comprises a reaction kettle 101, a sampling port 2, a sampling tube 3, an insertion tube 4, a conversion seat 5, a base 6, a stop valve 7, a sampling valve 8, a communicating tube 9, a three-way mounting seat 10, a purge valve 11, an air extraction valve 12, a vacuum buffer tank 13, a pressure gauge 14, a vacuum extraction valve 15, a blow-down valve 16, an exhaust valve 17, a four-way mounting seat 18, a glass viewing cup 19, a floating ball 20, a connecting screw rod 21, a locking nut 22, a positioning disc 23, a mounting cylinder 24, a locking bolt 25 and a sampling bottle.

Detailed Description

The present invention is further described with reference to specific embodiments, however, it will be understood by those skilled in the art that the detailed description given herein with respect to the drawings is for better explanation and that the present invention is necessarily to be construed as limited to those embodiments, and equivalents or common means thereof will not be described in detail but will fall within the scope of the present application.

Fig. 1~2 is a preferred embodiment of the present invention, which is further illustrated in conjunction with 1~2.

Take vacuum tank manual sampling system, including sampling tube 2, stop valve 6, sample valve 7, purge valve 10, bleeder valve 11 and buffer, the one end of sampling tube 2 is for being used for inserting the sample portion in the material, the other end is linked together with stop valve 6's input port, stop valve 6's delivery outlet is linked together with buffer's bottom and sample valve 7's input port simultaneously, buffer's top simultaneously with sample valve 7's delivery outlet, purge valve 10's delivery outlet and bleeder valve 11's input port are linked together, sample valve 7's delivery outlet still is provided with the butt joint portion that is used for connecting sampling bottle 25, butt joint portion sets up the downside at sample valve 7's delivery outlet. This take manual sampling system of vacuum tank at the during operation, earlier close sample valve 7 and purge valve 10, and open stop valve 6 and bleeder valve 11, bleed through bleeder valve 11, can will treat the sample material and send into buffer, close stop valve 6 and purge valve 10, open sample valve 7 and bleeder valve 11 simultaneously, send out the material in the buffer through the negative pressure, the material flows into under the action of gravity in sampling bottle 15, can make the material flow into in sampling bottle 15 fast, quick sample has been realized, the sampling speed has been improved.

Specifically, the method comprises the following steps: as shown in fig. 1~2: the manual sampling system with the vacuum tank further comprises an insert tube 3, a conversion seat 4 and a base 5, wherein flange plates are arranged at the bottom and the top of the conversion seat 4, and the diameter of the flange plate at the top is smaller than that of the flange plate at the bottom. The vertical setting of insert tube 3 is provided with the flanging at the downside of conversion seat 4, around the top of insert tube 3, and base 5 sets up the upside at conversion seat 4, and outside insert tube 3 was established to 4 covers of conversion seat, and insert tube 3's flanging was located between conversion seat 4 and the base 5, and the bottom of base 5 is provided with the ring flange, and base 5 is connected with 4 detachable of conversion seat.

Stop valve 6 sets up the upside at conversion seat 4, and stop valve 6's bottom and base 5 fixed connection. The sampling tube 2 is made of polytetrafluoroethylene material.

This take manual sampling system of vacuum tank still includes tee bend mount pad 9 and four-way mount pad 17, and wherein tee bend mount pad 9 sets up the downside at buffer, and the interface of the bottom of tee bend mount pad 9 communicates with the delivery outlet of stop valve 6, and the interface at the top of tee bend mount pad 9 communicates with buffer's bottom, and the interface of tee bend mount pad 9 lateral part is linked together with the input port of sample valve 7. The four-way mounting seat 17 is arranged on the upper side of the buffer device, an interface at the bottom of the four-way mounting seat 17 is communicated with the top of the buffer device, an interface at the top of the four-way mounting seat 17 is communicated with an output port of the purge valve 10, an interface at the left side of the four-way mounting seat 17 is communicated with an input port of the extraction valve 11, and an interface at the right side of the four-way mounting seat is communicated with an output port of the sampling valve 7.

This take manual sampling system of vacuum tank still includes discharge valve 16 and communicating pipe 8, discharge valve 16 sets up the upside at sample valve 7, discharge valve 16's delivery outlet and the interface intercommunication on four-way mount pad 17 right side, 8 vertical settings communicating pipe are between discharge valve 16 and sample valve 7, the upper end of communicating pipe 8 is linked together with discharge valve 16's input port, the lower extreme is linked together with sample valve 7's delivery outlet, sample valve 7's delivery outlet is provided with the butt joint portion that is used for with the butt joint of sample bottle 25.

The buffer device comprises a glass sight cup 18 and a floating ball 19, the glass sight cup 18 is a vertical glass round tube, two ends of the glass sight cup 18 are arranged in an open mode, the bottom of the glass sight cup 18 is communicated with an interface at the top of a three-way mounting seat 9, the top of the glass sight cup 18 is communicated with an interface at the bottom of a four-way mounting seat 17, the diameter of the interface at the top of the three-way mounting seat 9 is smaller than that of the glass sight cup 18, a lower sealing portion is formed at the lower side of the glass sight cup 18, the diameter of the interface at the bottom of the four-way mounting seat 17 is smaller than that of the glass sight cup 18, an upper sealing portion is formed at the upper side of the glass sight cup 18, the floating ball 19 is arranged in the glass sight cup 18, and the floating ball 19 and the inner wall of the glass sight cup 18 are sealed and arranged in a relative sliding mode, and the floating ball 19 can freely rise and fall in the glass sight cup 18. The floating ball 19 is arranged between the upper sealing part and the lower sealing part, when the floating ball 19 moves upwards and is in contact with the upper sealing part at the top, the top of the glass sight cup 18 can be sealed, and when the floating ball 19 moves downwards and is in contact with the lower sealing part at the bottom, the bottom of the glass sight cup 18 can be sealed.

The manual sampling system with the vacuum tank further comprises a connecting screw rod 20, a locking nut 21, a positioning disc 22 and an installation cylinder 23, wherein the upper end of the connecting screw rod 20 is in threaded connection with the four-way installation seat 17, the lower end of the connecting screw rod is in threaded connection with the three-way installation seat 9, the four-way installation seat 17 is connected with the three-way installation seat 9, the four-way installation seat 17 is matched with the three-way installation seat 9 to tightly press the glass viewing cup 18, and the glass viewing cup 18 is sealed with the four-way installation seat 17 and the glass viewing cup 18 is sealed with the three-way installation seat 9. In order to ensure that the four-way mounting seat 17 and the three-way mounting seat 9 are conveniently connected with the connecting screw rod 20, the rotating directions of the threads at the two ends of the connecting screw rod 20 are opposite. The top of the connecting screw rod 20 is in threaded connection with a locking nut 21, and the locking nut 21 compresses the four-way mounting seat 17 and locks the connecting screw rod 20. The positioning disc 22 is coaxially sleeved outside the glass viewing cup 18, and the lower end of the connecting screw rod 20 is connected with the three-way mounting seat 9 after passing through the positioning disc 22 in a sliding manner. The mounting tube 23 is coaxially sleeved outside the positioning disc 22, and the bottom of the mounting tube 23 is inserted into the three-way mounting seat 9 and connected with the three-way mounting seat 9. Locking between installation section of thick bamboo 23 and the positioning disk 22 is realized through locking bolt 24, and the tip of locking bolt 24 passes behind installation section of thick bamboo 23 and positioning disk 22 threaded connection, and locking bolt 24 sets up along the radial of positioning disk 22, and locking bolt 24 encircles positioning disk 22 interval and is provided with a plurality of.

In this embodiment, the connecting screw 20 is spaced around the glass sight cup 18.

This take manual sampling system of vacuum tank still includes vacuum buffer tank 12, the vertical setting of vacuum buffer tank 12, the delivery outlet of bleeder valve 11 and the upper portion intercommunication of vacuum buffer tank 12, the sub-unit connection of vacuum buffer tank 12 has evacuation valve 14 for dock with equipment such as vacuum pump, the bottom of vacuum buffer tank 12 is provided with blowoff valve 15, the top of vacuum buffer tank 12 is provided with manometer 13.

In the present embodiment, the stop valve 6, the sampling valve 7, the exhaust valve 16, the purge valve 10 and the suction valve 11 are all diaphragm valves, and the inner cavities of the three-way mounting seat 9 and the four-way mounting seat 17 are lined with PFA.

The use method of the manual sampling system with the vacuum tank comprises the following steps: install this take manual sampling system of vacuum tank on reation kettle 1, the bottom of conversion seat 4 passes through bolt sealing connection with reation kettle 1's sample connection 101, and insert tube 3 and sampling tube 2 stretch into reation kettle 1 by sample connection 101 in to all stretch into reation kettle 1's below the liquid level.

And vacuumizing the vacuum buffer tank 12 until the specified negative pressure is reached in the vacuum buffer tank 12. The sampling valve 7, the air suction valve 16 and the purging valve 10 are closed, the stop valve 6 is opened, the air suction valve 11 is opened simultaneously, materials in the reaction kettle 1 are sucked into the glass viewing cup 18 by means of negative pressure in the vacuum buffer tank 12 at the moment until the floating ball 19 seals the top of the glass viewing cup 18, the air suction valve 11 is closed at the moment, and the stop valve 6 is closed simultaneously.

Open sampling valve 7, open discharge valve 16 simultaneously, then open bleeder valve 11, because floater 19 seals with glass sight cup 18, at this moment under the effect of negative pressure, the material in the glass sight cup 18 can pass through sampling valve 7 to in flowing into sampling bottle 25 of sampling valve 7 downside under the action of gravity, when reaching appointed sample volume in the sampling bottle 25, close sampling valve 7 and close discharge valve 16 and bleeder valve 11 simultaneously.

After the sampling is finished, the input port of the purge valve 10 is connected with compressed nitrogen, the stop valve 6 and the purge valve 10 are opened simultaneously, the nitrogen blows the materials in the glass sight cup 18 back to the reaction kettle 1, and the nitrogen cannot enter the reaction kettle 1 due to the existence of the floating ball 19.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. However, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims (7)

1. Take vacuum tank manual sampling system, its characterized in that: including sampling tube (2), stop valve (6), sample valve (7), purge valve (10), bleeder valve (11) and buffer, the sample portion of one end in sampling tube (2) for being used for inserting the material, the other end is linked together with the input port of stop valve (6), the delivery outlet of stop valve (6) is linked together with buffer's bottom and sample valve's (7) input port simultaneously, buffer's top simultaneously with the delivery outlet of sample valve (7), the delivery outlet of purge valve (10) and the input port of bleeder valve (11) are linked together, the delivery outlet of sample valve (7) still is provided with the butt joint portion that is used for connecting sampling bottle (25), the downside of butt joint portion setting at the delivery outlet of sample valve (7).

2. The vacuum-can manual sampling system of claim 1, wherein: the buffer device comprises a glass visual cup (18), the bottom of the glass visual cup (18) is communicated with the output port of the stop valve (6) and the input port of the sampling valve (7), and the top of the glass visual cup is communicated with the output port of the sampling valve (7), the output port of the purging valve (10) and the input port of the air suction valve (11).

3. The vacuum-can manual sampling system of claim 2, wherein: the buffer device further comprises a floating ball (19) arranged in the glass sight cup (18), an upper sealing part is arranged at the top of the glass sight cup (18), a lower sealing part is arranged at the bottom of the glass sight cup, and the floating ball (19) and the inner wall of the glass sight cup (18) are sealed and arranged in a relative sliding mode.

4. The vacuum-can manual sampling system of claim 1, wherein: the sampling valve (7) is communicated with the inlet of the exhaust valve (16), and the outlet of the exhaust valve (16) is communicated with the top of the buffer device.

5. The vacuum-can manual sampling system of claim 1, wherein: the vacuum pump also comprises a vacuum buffer tank (12), the vacuum buffer tank (12) is communicated with an output port of the air extraction valve (11), and a vacuum extraction valve (14) is connected to the vacuum buffer tank (12).

6. The vacuum-can manual sampling system of claim 5, wherein: the bottom of the vacuum buffer tank (12) is also connected with a blow-down valve (15).

7. The vacuum-can manual sampling system of claim 1, wherein: still include insert tube (3), insert tube (3) cover is established outside sampling tube (2), and insert tube (3) link to each other with stop valve (6), and the sample portion of sampling tube (2) stretches out insert tube (3) and sets up.

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