CN219434415U - Portable sampling device under styrene storage tank - Google Patents
Portable sampling device under styrene storage tank Download PDFInfo
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- CN219434415U CN219434415U CN202320272922.2U CN202320272922U CN219434415U CN 219434415 U CN219434415 U CN 219434415U CN 202320272922 U CN202320272922 U CN 202320272922U CN 219434415 U CN219434415 U CN 219434415U
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Abstract
The utility model discloses a portable sampling device under a styrene storage tank. The device comprises a sampling box, wherein a sampling port and a liquid return port are formed in the wall of a styrene storage tank, a circulating pipe is arranged between the sampling port and the liquid return port, a circulating pump is arranged on the circulating pipe, the circulating pump is communicated with an inlet valve arranged on a fixed plate through a sampling pipe, the inlet valve is communicated with a first port of a three-way valve through a sampling branch pipe, a second port of the three-way valve is communicated with a liquid storage tank through a return pipe, and the liquid storage tank is communicated with the sampling port through the liquid return pump and a liquid return pipe provided with an electromagnetic valve; the third port of three-way valve is through vertical filling tube and install the connecting block intercommunication on the fixed plate, and liquid taking port and bottle cover subassembly are installed to the bottom of connecting block, and the sampling bottle is arranged in on the bottom plate of the sampling box of connecting block below. According to the utility model, the styrene in the styrene storage tank is led into the sampling box below the tank, and the sampling box is used for sampling, so that the ascending operation is avoided, the safety is improved, and the working efficiency is improved.
Description
Technical Field
The utility model relates to styrene sampling equipment, in particular to a portable sampling device under a styrene storage tank.
Background
Styrene is stored in a storage tank as a raw material for producing expandable polystyrene, and during the production process, sampling and detection of styrene are required. The sampling port is offered to the tank deck of storage tank, and during the sample, the sampling personnel need to get the tank deck sample, and operation of ascending a height, danger coefficient is big, and the sampling process is wasted time and energy. The utility model of China with the authorized publication number of CN213091280U discloses a sampling device for styrene processing, when the sampling device is used for sampling, a liquid inlet hose is stretched into a storage tank, then styrene is sucked into a sampling tube by a piston plate, and the sampling tube is moved to the lower part of the hose, so that the styrene in the sampling tube enters the sampling tube, and the sampling process of the utility model is complicated.
Disclosure of Invention
The utility model aims to solve the technical problems, and provides a convenient sampling device under a styrene storage tank with high sampling efficiency.
The utility model solves the technical problems and adopts the following technical scheme:
the utility model provides a portable sampling device under styrene storage tank jar, includes the sampling box, and the sampling box is arranged in the place under the styrene storage tank jar, and the middle-upper portion in the sampling box is equipped with the fixed plate, sampling port and liquid return port are seted up to the tank wall of styrene storage tank, install the circulating pipe between sampling port and the liquid return port, and circulating pipe installation circulating pump, circulating pump pass through the sampling tube and install the import valve intercommunication on the fixed plate, and the import valve passes through the first port intercommunication of sampling branch pipe and three-way valve, and the second port of three-way valve passes through the back flow and is linked together with the liquid storage pot, and the liquid storage pot passes through liquid return pump and the liquid return pipe of installation solenoid valve and is linked together with the sampling port; the third port of three-way valve is through vertical filling tube and install the connecting block intercommunication on the fixed plate, and liquid taking port and bottle cover subassembly are installed to the bottom of connecting block, and the sampling bottle is arranged in on the bottom plate of the sampling box of connecting block below.
Compared with the prior art, the utility model adopting the technical scheme has the beneficial effects that:
styrene in the styrene storage tank is led to the sampling box below the tank, and the sampling box is used for sampling, so that ascending operation is avoided, safety is improved, and working efficiency is improved.
Further, the optimization scheme of the utility model is as follows:
still including sweeping the pipe assembly, sweeping the pipe assembly and including nitrogen pipe, sweeping valve, nitrogen branch pipe, relief pressure valve, manometer and first check valve, the inlet intercommunication of sweeping the valve on nitrogen pipe and the fixed plate, the exit end of sweeping the valve is through nitrogen branch pipe and sample branch pipe intercommunication, nitrogen branch pipe installs relief pressure valve, manometer and first check valve from outside to inside in proper order.
Still include the adsorption component, the adsorption component includes adsorption tube, adsorption valve, second check valve and negative pressure adsorption tank, annular recess is seted up to the bottom surface of connecting block, and this recess passes through the adsorption tube and installs the import intercommunication at the negative pressure adsorption tank of sampling box outer wall, and adsorption tube installs adsorption valve and second check valve from interior to exterior in proper order, and the bottom of negative pressure adsorption tank is equipped with the export.
The bottle cover assembly comprises a fixed cover, a movable cover, a sealing ring and a positioning assembly, wherein the fixed cover comprises a conical cylinder part and a straight cylinder part, an upper end plate of the conical cylinder part is square and provided with a square hole, the upper end plate is in threaded connection with a connecting block, the straight cylinder part is sleeved with the cylindrical movable cover, the upper end of the movable cover is fixedly connected with the sealing ring, the inner circumferential surface and the outer inner circumferential surface of the sealing ring are respectively provided with a sealing groove and a positioning groove, the sealing ring is installed in the sealing groove, the movable cover is provided with a vertical observation hole, and the observation hole is provided with a glass plate.
The positioning assembly comprises positioning hooks, pin shafts, connecting plates and springs, wherein the L-shaped positioning hooks are symmetrically arranged on two sides of the upper end of the straight barrel part, the vertical parts of the positioning hooks are hinged with the horizontal connecting plates through the pin shafts, the inner ends of the connecting plates are fixedly connected with the straight barrel part, the springs are arranged between the vertical parts of the positioning hooks and the outer ends of the connecting plates, and the hook parts of the positioning hooks are matched with positioning grooves of the sealing rings.
The bottom surface of the hook part of the positioning hook is an inclined surface, and the upper annular surface of the sealing ring is provided with a chamfer structure.
The outer end of the connecting plate is fixedly connected with a connecting pin, and the outer end of the spring is hooked on the connecting pin.
The bottle seat is arranged on the bottom plate of the sampling box and is in threaded connection with the bottom plate of the sampling box, the bottle seat is provided with a placing groove, and the bottom of the placing groove is provided with an annular liquid overflow groove.
And the bottom of the liquid overflow tank is provided with a liquid overflow hole, and the liquid overflow hole is communicated with a liquid storage bottle below the sampling tank through a liquid overflow pipe and a liquid overflow valve.
And a liquid taking port of the connecting block is provided with a flow guide pipe.
Drawings
FIG. 1 is a schematic overall structure of an embodiment of the present utility model;
FIG. 2 is a schematic diagram of a pipeline in a sampling tank according to an embodiment of the present utility model;
FIG. 3 is a front view of a bottle cap assembly of an embodiment of the present utility model;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a cross-sectional view A-A of FIG. 4;
FIG. 6 is a schematic view illustrating the positioning of the movable cover and the positioning assembly according to an embodiment of the present utility model;
FIG. 7 is a schematic diagram showing the connection of the connecting block and the fixed bottle cap according to the embodiment of the present utility model;
FIG. 8 is a schematic diagram of a connection between a bottle holder and a liquid storage bottle according to an embodiment of the present utility model;
FIG. 9 is a cross-sectional view of a seal ring according to an embodiment of the utility model.
In the figure: a styrene storage tank 1; a circulation pipe 2; a circulation pump 3; a sampling tube 4; sampling branch pipe 4-1; a return pipe 4-2; a sampling box 5; a bracket 5-1; 5-2 of a fixed plate; 5-3 parts of a bottom plate; an inlet valve 6; a three-way valve 7; a liquid storage tank 8; a liquid return pump 8-1; a liquid return pipe 8-2; 8-3 of electromagnetic valves; a filling tube 9; a connection block 10; a guide tube 10-1; grooves 10-2; a fixed cover 11; cone section 11-1; a straight tube portion 11-2; a movable cover 12; a viewing aperture 12-1; a seal ring 13; a seal groove 13-1; a positioning groove 13-2; an O-ring seal 14; a positioning hook 15; a pin 16; a connection plate 17; a spring 18; a connecting pin 19; a bottle holder 20; a liquid overflow tank 20-1; an overflow pipe 21; an overflow valve 21-1; a liquid storage bottle 22; a nitrogen pipe 23; a nitrogen branch pipe 23-1; a purge valve 24; a pressure reducing valve 25; a pressure gauge 26; a first check valve 27; an adsorption tube 28; an adsorption valve 29; a second check valve 30; a negative pressure adsorption tank 31; a discharge valve 31-1; a sampling bottle 32.
Description of the embodiments
The utility model is further described in detail below with reference to the drawings and examples.
Referring to fig. 1 and 2, the embodiment is a portable sampling device under a styrene storage tank, which mainly comprises a styrene storage tank 1, a circulating pipe 2, a circulating pump 3, a sampling pipe 4, a sampling box 5, an inlet valve 6, a three-way valve 7, a liquid storage tank 8, a filling pipe 9, a connecting block 10 and a bottle cover component. The tank wall of the lower part of the styrene storage tank 1 is provided with a sampling port and a liquid return port, the liquid return port is positioned below the sampling port, a circulating pipe 2 is arranged between the sampling port and the liquid return port, the circulating pipe 2 is welded with the styrene storage tank 1 or connected through a joint, and the circulating pipe 2 is provided with a circulating pump 3. The sampling box 5 and the liquid storage tank 8 are arranged in the sampling operation room, and the circulating pipe 2 can be circumferentially arranged.
The right side field of styrene storage tank 1 lower part installs sampling box 5, sampling box 5's bottom installing support 5-1, and sampling box 5's front and back sets up preceding chamber door and back chamber door respectively, and the fixed plate 5-2 is installed to the well upper portion in the box. An inlet valve 6 is arranged at the upper part of the right side of the fixed plate 5-2, the inlet valve 6 is a manual valve, and the outlet end of the circulating pump 3 is communicated with the inlet of the inlet valve 6 through the sampling tube 4. The outlet of the inlet valve 6 is communicated with a first port of the three-way valve 7 through the sampling branch pipe 4-1, the first port is a left port, the three-way valve 7 is arranged in the middle of the fixed plate 5-2, the three-way valve 7 is a manual valve, the upper port of the three-way valve 7 is a second port, the second port is communicated with the top plate of the liquid storage tank 8 through the return pipe 4-2, the liquid storage tank 8 is arranged on the site, the bottom of the liquid storage tank 8 is provided with the liquid return pump 8-1, the outlet of the liquid return pump 8-1 is communicated with the sampling port of the styrene storage tank 1 through the liquid return pipe 8-2, and the tail end of the liquid return pipe 8-2 is provided with the electromagnetic valve 8-3.
The lower port of the three-way valve 7 is a third port, the third port is communicated with an inlet at the upper end of the connecting block 10 through a vertical filling pipe 9, the connecting block 10 is cuboid, the upper end face and the lower end face of the connecting block are square, the connecting block is arranged at the lower part of the fixed plate 5-2 through bolts, and the bottom face of the connecting block 10 is flush with the lower end face of the fixed plate 5-2. The lower port of the connection block 10 communicates with the upper port and is installed with a vertical guide pipe 10-1.
The bottle cap assembly (shown in fig. 3-9) is mounted at the bottom of the connection block 10, and is mainly composed of a fixed cap 11, a movable cap 12, a sealing ring 13 and a positioning assembly. The fixed cover 11 is composed of a conical cylinder part 11-1 and a straight cylinder part 11-2, the conical cylinder part 11-1 is of a round and square structure, an upper end plate is square and provided with square holes, and the upper end plate is in threaded connection with the connecting block 10. A cylindrical movable cover 12 is sleeved outside the straight cylinder part 11-2, a sealing ring 13 is welded at the upper end of the movable cover 12, a sealing groove 13-1 and a positioning groove 13-2 are respectively formed in the inner circumferential surface and the outer circumferential surface of the sealing ring 13, an O-shaped sealing ring 14 is installed in the sealing groove 13-1, and a chamfer structure is arranged on the upper annular surface of the sealing ring 14. The upper end of the movable cover 12 is sealed with the straight cylinder part 11-2 through an O-shaped sealing ring 14 and a sealing ring 13, and the movable cover 12 is connected with the straight cylinder part 11-2 in a sliding way. The movable cover 12 is provided with a vertical strip-shaped observation hole 12-1, and the observation hole 12-1 is provided with a glass plate in a sealing way.
The positioning assembly mainly comprises a positioning hook 15, a pin shaft 16, a connecting plate 17, a spring 18 and a connecting pin 19. The positioning hooks 15 are L-shaped, the bottom surfaces of the hook parts are inclined planes, and the positioning hooks 15 are symmetrically arranged on two sides of the upper end of the straight cylinder part 11-2. The vertical part of the positioning hook 15 is hinged with a connecting plate 17 through a pin 16, the connecting plate 17 is in a strip shape, the connecting plate is horizontally arranged, and the inner end of the connecting plate is welded with the straight cylinder part 11-2. A connecting pin 19 is arranged on one side of a positioning hook 15 at the outer end of the connecting plate 17, a spring 18 is arranged between the upper end of the positioning hook 15 and the connecting pin 19, and the spring 18 is a tension spring. After each sampling, the movable cover 12 is pushed upwards, the hook part of the positioning hook 15 hooks the positioning groove 13-2 (shown in fig. 6) of the sealing ring 13, and during sampling, the upper end of the positioning hook 15 is pressed inwards, the hook part is separated from the positioning groove 13-2, the movable cover 12 is slid downwards, and the sampling bottle 32 is covered.
The bottle seat 20 is arranged on the bottom plate 5-3 of the sampling box 5, the bottle seat 20 is in threaded connection with the bottom plate 5-3, the bottle seat 20 is provided with a placing groove, the sampling bottle 32 is placed in the placing groove, and the sampling bottle 32 is prevented from toppling over. The edge of the bottom of the tank of the placing tank is provided with an annular liquid overflow tank 20-1, the liquid overflow tank 20-1 is provided with a liquid overflow hole vertically penetrating through the bottle seat 20, the liquid overflow hole is provided with a liquid overflow pipe 21, the liquid overflow pipe 21 penetrates through the bottom plate 5-3 and is communicated with a liquid storage bottle 22 below the sampling tank 5, and the liquid overflow pipe 21 is provided with a liquid overflow valve 21-1. When the styrene liquid overflows from the sampling bottle during sampling, the overflow valve 21-1 is opened, and the styrene liquid flows into the liquid storage bottle 22.
The sampling box 5 is provided with a purging pipe assembly, the purging pipe assembly mainly comprises a nitrogen pipe 23, a nitrogen branch pipe 23-1, a purging valve 24, a pressure reducing valve 25, a pressure gauge 26 and a first one-way valve 27, the nitrogen pipe 23 is communicated with the right port of the purging valve 24, the purging valve 24 is arranged on the upper portion of the right side of the fixed plate 5-2, the left port of the purging valve 24 is communicated with the sampling branch pipe 4-1 through the nitrogen branch pipe 23-1, the pressure reducing valve 25, the pressure gauge 26 and the first one-way valve 27 are sequentially arranged on the nitrogen branch pipe 23-1 from outside to inside, and the first one-way valve 27 is arranged at the tail end of the nitrogen branch pipe 23-1.
The sampling tank 5 is provided with an adsorption assembly mainly composed of an adsorption tube 28, an adsorption valve 29, a second check valve 30 and a negative pressure adsorption tank 31. The bottom surface of the connecting block 10 is provided with an annular groove 10-2, the groove 10-2 is communicated with an inlet of a tank wall of a negative pressure adsorption tank 31 through an adsorption pipe 28, the negative pressure adsorption tank 31 is arranged on the right outer wall of the sampling tank 5, an adsorption valve 29 and a second one-way valve 30 are sequentially arranged on the adsorption pipe 28 from inside to outside, an outlet pipe is arranged at the bottom of the negative pressure adsorption tank 31, and an outlet valve 31-1 is arranged at the outlet tank. The negative pressure adsorption tank 31 is of a manual structure, activated carbon is arranged in the negative pressure adsorption tank 31, a handle is pulled upwards before sampling, negative pressure is formed in the negative pressure adsorption tank 31, the adsorption valve 29 is opened during sampling, gaseous styrene in the bottle cover component is sucked into the negative pressure adsorption tank 31, and the styrene is prevented from stimulating the respiratory system of an operator. The negative pressure adsorption tank 31 can also be communicated with a negative pressure pipeline through an outlet pipe to collect the gaseous styrene.
The sampling process of this embodiment is: firstly, the circulating pump 3 is started, styrene liquid circulates in the circulating pipe 2, the three-way valve 7 is operated, the sampling branch pipe 4-1 and the return pipe 4-2 are in a communicated state, the inlet valve 6 is opened, the styrene liquid reserved in the sampling pipe 4 enters the liquid storage tank 8, and the accuracy of each sampling is ensured through the operation. The sampling bottle 32 is placed on the bottle seat 20, the upper end of the positioning hook 15 is pressed, the positioning groove 13-2 of the sealing ring 13 is separated from the positioning hook 15, the movable cover 12 is slid downwards to cover the sampling bottle 32, the handle of the negative pressure adsorption tank 31 is pulled upwards, the three-way valve 7 is operated, the sampling branch pipe 4-1 is communicated with the filling pipe 9, and the styrene liquid is filled into the sampling bottle 32. After the sampling bottle 32 is observed through the observation hole 12-1 of the movable cover 12 and the sampling liquid level is reached, the inlet valve 6 and the circulating pump 3 are closed, the movable cover 12 is pulled up, and after the bottle cap is closed, the sampling bottle 32 is taken out. After the liquid level in the liquid storage tank 8 reaches the designed height, the liquid return pump 8-1 is started, the electromagnetic valve 8-3 is opened, and the styrene liquid in the liquid storage tank 8 is conveyed into the styrene storage tank 1.
The foregoing description is only of the preferred embodiments of the utility model and is not intended to limit the scope of the claims, but rather the equivalent structural changes made by the application of the present description and drawings are intended to be included within the scope of the claims.
Claims (10)
1. The utility model provides a portable sampling device under styrene storage tank jar, includes the sampling box, and the sampling box is arranged in on the scene under the styrene storage tank jar, and well upper portion in the sampling box is equipped with the fixed plate, its characterized in that:
the wall of the styrene storage tank is provided with a sampling port and a liquid return port, a circulating pipe is arranged between the sampling port and the liquid return port, the circulating pipe is provided with a circulating pump, the circulating pump is communicated with an inlet valve arranged on a fixed plate through a sampling pipe, the inlet valve is communicated with a first port of a three-way valve through a sampling branch pipe, a second port of the three-way valve is communicated with a liquid storage tank through a return pipe, and the liquid storage tank is communicated with the sampling port through the liquid return pump and a liquid return pipe provided with an electromagnetic valve;
the third port of three-way valve is through vertical filling tube and install the connecting block intercommunication on the fixed plate, and liquid taking port and bottle cover subassembly are installed to the bottom of connecting block, and the sampling bottle is arranged in on the bottom plate of the sampling box of connecting block below.
2. The styrene storage tank under-tank portable sampling device according to claim 1, wherein: still including sweeping the pipe assembly, sweeping the pipe assembly and including nitrogen pipe, sweeping valve, nitrogen branch pipe, relief pressure valve, manometer and first check valve, the inlet intercommunication of sweeping the valve on nitrogen pipe and the fixed plate, the exit end of sweeping the valve is through nitrogen branch pipe and sample branch pipe intercommunication, nitrogen branch pipe installs relief pressure valve, manometer and first check valve from outside to inside in proper order.
3. The styrene storage tank under-tank portable sampling device according to claim 1, wherein: still include the adsorption component, the adsorption component includes adsorption tube, adsorption valve, second check valve and negative pressure adsorption tank, annular recess is seted up to the bottom surface of connecting block, and this recess passes through the adsorption tube and installs the import intercommunication at the negative pressure adsorption tank of sampling box outer wall, and adsorption tube installs adsorption valve and second check valve from interior to exterior in proper order, and the bottom of negative pressure adsorption tank is equipped with the export.
4. The styrene storage tank under-tank portable sampling device according to claim 1, wherein: the bottle cover assembly comprises a fixed cover, a movable cover, a sealing ring and a positioning assembly, wherein the fixed cover comprises a conical cylinder part and a straight cylinder part, an upper end plate of the conical cylinder part is square and provided with a square hole, the upper end plate is in threaded connection with a connecting block, the straight cylinder part is sleeved with the cylindrical movable cover, the upper end of the movable cover is fixedly connected with the sealing ring, the inner circumferential surface and the outer inner circumferential surface of the sealing ring are respectively provided with a sealing groove and a positioning groove, the sealing ring is installed in the sealing groove, the movable cover is provided with a vertical observation hole, and the observation hole is provided with a glass plate.
5. The styrene storage tank under-tank portable sampling device of claim 4, wherein: the positioning assembly comprises positioning hooks, pin shafts, connecting plates and springs, wherein the L-shaped positioning hooks are symmetrically arranged on two sides of the upper end of the straight barrel part, the vertical parts of the positioning hooks are hinged with the horizontal connecting plates through the pin shafts, the inner ends of the connecting plates are fixedly connected with the straight barrel part, the springs are arranged between the vertical parts of the positioning hooks and the outer ends of the connecting plates, and the hook parts of the positioning hooks are matched with positioning grooves of the sealing rings.
6. The styrene storage tank under-tank portable sampling device of claim 5, wherein: the bottom surface of the hook part of the positioning hook is an inclined surface, and the upper annular surface of the sealing ring is provided with a chamfer structure.
7. The styrene storage tank under-tank portable sampling device of claim 5, wherein: the outer end of the connecting plate is fixedly connected with a connecting pin, and the outer end of the spring is hooked on the connecting pin.
8. The styrene storage tank under-tank portable sampling device according to claim 1, wherein: the bottle seat is arranged on the bottom plate of the sampling box and is in threaded connection with the bottom plate of the sampling box, the bottle seat is provided with a placing groove, and the bottom of the placing groove is provided with an annular liquid overflow groove.
9. The styrene storage tank under-tank portable sampling device of claim 8, wherein: and the bottom of the liquid overflow tank is provided with a liquid overflow hole, and the liquid overflow hole is communicated with a liquid storage bottle below the sampling tank through a liquid overflow pipe and a liquid overflow valve.
10. The styrene storage tank under-tank portable sampling device according to claim 1, wherein: and a liquid taking port of the connecting block is provided with a flow guide pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272922.2U CN219434415U (en) | 2023-02-21 | 2023-02-21 | Portable sampling device under styrene storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320272922.2U CN219434415U (en) | 2023-02-21 | 2023-02-21 | Portable sampling device under styrene storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219434415U true CN219434415U (en) | 2023-07-28 |
Family
ID=87339676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320272922.2U Active CN219434415U (en) | 2023-02-21 | 2023-02-21 | Portable sampling device under styrene storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219434415U (en) |
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2023
- 2023-02-21 CN CN202320272922.2U patent/CN219434415U/en active Active
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