Pneumatic pressurizing closed sampling production device with circulating backflow

Abstract

The invention belongs to the field of chemical production, particularly relates to a pneumatic pressurized closed sampling production device with circulating reflux, and aims to solve the problems that oil at the existing sampling point does not flow, so that the test and analysis result of the oil is not instructed, the subsequent product quality adjustment is influenced, the sampling device has leakage risk in the operation process, and the sampling efficiency is low. According to the technical scheme, the device comprises a mounting shell, a pneumatic gear pump is arranged in the mounting shell, the front end of the flow path of the pneumatic gear pump is connected with an input pipeline, the pneumatic gear pump is connected with a pneumatic motor system, and the rear end of the flow path of the pneumatic gear pump is connected with a first closed sampling container and a second closed sampling container. According to the present invention, during the use process, the toxic and harmful sample can be conveniently subjected to the closed sampling so as to ensure the accuracy and the safety of the sampling process, and the apparatus has characteristics of simple structure and convenient use.

Description

Technical Field

[0001] The present invention relates to the technical field of chemical production, in particular to a pneumatic pressurized closed sampling production device with circulating reflux. Background Art

[0002] In existing fractionation chemical production facilities, sampling presents numerous inconveniences, particularly for toxic and hazardous samples. Due to pressure imbalance within the pipeline, oil does not flow at the sampling point, rendering oil analysis results unreliable and impacting subsequent adjustments to product quality. Furthermore, existing sampling devices carry the risk of leakage during operation, potentially posing a hazard to operators. Summary of the Invention

[0003] The purpose of the present invention is to solve the shortcomings of the prior art, such as the oil does not flow at the sampling point, resulting in the oil test analysis results being uninstructive, which in turn affects the adjustment of subsequent product quality, and the risk of leakage during operation of the sampling device, which may cause harm to the operator. A pneumatic pressurized closed sampling production device with circulating reflux is proposed.

[0004] In order to achieve the above object, the present invention adopts the following technical solutions: A pneumatic pressurized closed sampling production device with circulating reflux, comprising a mounting shell, a pneumatic gear pump arranged in the mounting shell, the front end of the pneumatic gear pump process being connected to an input pipeline, the pneumatic gear pump being connected to a pneumatic motor system, the back end of the pneumatic gear pump process being connected to a closed sampling container 1 and a closed sampling container 2, a jumper pipe being arranged between the closed sampling container 1 and the closed sampling container 2, the closed sampling container 1 and the closed sampling container 2 being connected to a metal hose, the jumper pipe being connected to a pressure gauge, the pressure gauge being connected to a return product delivery pipeline, the pneumatic gear pump being driven by the pneumatic motor system, and being able to operate without relying on electricity It realizes the transportation and sampling of oil products and is suitable for explosion-proof environments. The closed sampling container 1 and the closed sampling container 2 are made of corrosion-resistant materials, which can effectively prevent the leakage of toxic and harmful samples and ensure the safety of operators. The jumper pipe is used to connect the two closed sampling containers to ensure the continuous flow of oil products during the sampling process and avoid the problem of oil products not flowing at the sampling point due to pressure balance. The pressure gauge is used to monitor the pressure changes during the sampling process in real time to ensure the stability and safety of the sampling process. The return product delivery pipeline is used to transport the sampled oil products back to the production process to avoid oil waste and improve production efficiency.

[0005] Preferably, two support plates are provided below the mounting shell, and lifting slots are provided on the tops of the two support plates. Lifting plates are slidably installed in the two lifting slots, and the tops of the two lifting plates are fixedly connected to the bottom of the mounting shell.

[0006] Preferably, the two support plates are fixedly mounted with a same horizontal plate, the horizontal plate is provided with a threaded hole, a screw is threadedly mounted in the threaded hole, a bearing is fixedly mounted on the top of the screw, and the bearing is fixedly mounted on the bottom of the mounting shell.

[0007] Preferably, a plurality of toggle rods are fixedly mounted on the outer side of the screw rod, a fixing block is fixedly mounted on one of the plurality of toggle rods, and a reset groove is provided on the top of the fixing block.

[0008] Preferably, a locking rod is slidably installed in the reset groove, and a plurality of locking grooves distributed in an annular shape are opened at the bottom of the mounting shell, and the top of the locking rod is clamped with the corresponding locking groove.

[0009] Preferably, one end of a spring is fixedly mounted on the bottom end of the locking rod, the other end of the spring is fixedly connected to the bottom inner wall of the reset groove, and a push-pull block is fixedly mounted on the outer side of the locking rod.

[0010] Preferably, a rectangular hole is opened on the mounting shell, a rectangular block is inserted into the rectangular hole, a harmful gas detector is fixedly mounted on one side of the rectangular block, and a bearing plate is fixedly mounted on the other side of the rectangular block.

[0011] Preferably, a controller and an alarm are fixedly mounted on one side of the supporting plate, and the alarm and the harmful gas detector are both electrically connected to the controller.

[0012] Preferably, a sliding groove is provided on one side of the mounting shell, a sliding block is slidably installed in the sliding groove, and a clamping block is fixedly installed on one side of the sliding block.

[0013] Preferably, a slot is provided on the top of the supporting plate, the bottom of the clamping block is clamped in the slot, and fastening bolts are threadedly installed on both support plates.

[0014] In the present invention, the beneficial effects of the pneumatic pressurized closed sampling production device with circulating reflux are: 1. This solution uses a pneumatic gear pump and pneumatic motor system to achieve oil transportation and sampling. It does not require electric drive, is suitable for explosion-proof environments, and improves the safety of the device.

[0015] 2. This solution ensures the continuous flow of oil during the sampling process through the design of closed sampling container 1, closed sampling container 2 and jumper pipe, avoids the problem of oil stagnation at the sampling point due to pressure balance, and improves the accuracy and guidance of sampling.

[0016] 3. This solution uses a pressure gauge to monitor the pressure changes during the sampling process in real time to ensure the stability and safety of the sampling process.

[0017] 4. This solution returns the sampled oil to the production process through the return product delivery pipeline, avoiding oil waste and improving production efficiency.

[0018] The present invention can facilitate sealed sampling of toxic and hazardous samples during use, ensuring the accuracy and safety of the sampling process, and has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic structural diagram of a pneumatic pressurized closed sampling production device with circulating reflux proposed by the present invention; Figure 2 The invention proposes a pneumatic pressurized closed sampling production device with circulating reflux Figure 1 Schematic diagram of the enlarged structure of part A; Figure 3 The invention proposes a pneumatic pressurized closed sampling production device with circulating reflux Figure 1 Schematic diagram of the enlarged structure of part B; Figure 4 The invention proposes a pneumatic pressurized closed sampling production device with circulating reflux Figure 1 Schematic diagram of the enlarged structure of part C; Figure 5 This is a schematic diagram of the top view of the mounting plate of a pneumatic pressurized closed sampling production device with circulating reflux proposed by the present invention.

[0020] Figure: 1. Pneumatic gear pump; 2. Pneumatic motor system; 3. Sealed sampling container 1; 4. Sealed sampling container 2; 5. Pressure gauge; 6. Inlet pipe; 7. Return product delivery pipe; 8. Jumper pipe; 9. Mounting housing; 10. Support plate; 11. Lifting slot; 12. Lifting plate; 13. Cross plate; 14. Screw; 15. Bearing; 16. Toggle lever; 17. Fixing block; 18. Locking lever; 19. Locking slot; 20. Push-pull block; 21. Spring; 22. Slide rail; 23. Slider; 24. Mounting plate; 25. Roller; 26. Ring block; 27. Rectangular hole; 28. Rectangular block; 29. ​​Hazardous gas detector; 30. Loading plate; 31. Controller; 32. Alarm; 33. Slot; 34. Sliding slot; 35. Sliding block; 36. Slot; 37. Vertical hole; 38. Fastening bolt; 39. Reset slot; 40. Threaded hole. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments. Example 1

[0022] Reference Figures 1-4A pneumatic pressurized closed sampling production device with circulating reflux includes an installation shell 9, a pneumatic gear pump 1 is arranged in the installation shell 9, the front end of the pneumatic gear pump 1 is connected to an input pipe 6, the pneumatic gear pump 1 is connected to a pneumatic motor system 2, the back end of the pneumatic gear pump 1 is connected to a closed sampling container 3 and a closed sampling container 2 4, a jumper pipe 8 is arranged between the closed sampling container 1 3 and the closed sampling container 2 4, the closed sampling container 1 3 and the closed sampling container 2 4 are connected to a metal hose, the jumper pipe 8 is connected to a pressure gauge 5, and the pressure gauge 5 is connected to a return product delivery pipe 7.

[0023] During operation, the pneumatic motor system 2 drives the pneumatic gear pump 1, which delivers oil from an input pipe 6 to sealed sampling container 1 3 and sealed sampling container 2 4. These containers are connected to metal hoses with quick-connect connectors. During sampling, a jumper pipe 8 ensures continuous oil flow, preventing flow issues at the sampling point due to pressure imbalance. A pressure gauge 5 monitors pressure changes in real time during the sampling process, ensuring stability and safety. After sampling, the oil is returned to the production process via a return product pipe 7, minimizing oil waste.

[0024] In this embodiment, two support plates 10 are provided under the mounting shell 9, and lifting grooves 11 are provided on the tops of the two support plates 10. Lifting plates 12 are slidably installed in the two lifting grooves 11, and the tops of the two lifting plates 12 are fixedly connected to the bottom of the mounting shell 9.

[0025] In this embodiment, the same horizontal plate 13 is fixedly installed on the two support plates 10. A threaded hole 40 is opened on the horizontal plate 13. A screw 14 is installed in the threaded hole 40. A bearing 15 is fixedly installed on the top of the screw 14. The bearing 15 is fixedly installed on the bottom of the mounting shell 9.

[0026] In this embodiment, a plurality of toggle rods 16 are fixedly mounted on the outer side of the screw rod 14 , a fixing block 17 is fixedly mounted on one of the toggle rods 16 , and a reset groove 39 is defined on the top of the fixing block 17 .

[0027] In this embodiment, a locking rod 18 is slidably installed in the reset groove 39 , and a plurality of locking grooves 19 distributed in an annular shape are formed at the bottom of the mounting shell 9 . The top of the locking rod 18 is snap-fitted into the corresponding locking groove 19 .

[0028] In this embodiment, one end of a spring 21 is fixedly mounted on the bottom end of the locking rod 18 , the other end of the spring 21 is fixedly connected to the bottom inner wall of the reset groove 39 , and a push-pull block 20 is fixedly mounted on the outer side of the locking rod 18 .

[0029] In this embodiment, a rectangular hole 27 is opened on the mounting shell 9, and a rectangular block 28 is inserted into the rectangular hole 27. A harmful gas detector 29 is fixedly installed on one side of the rectangular block 28, and a supporting plate 30 is fixedly installed on the other side of the rectangular block 28.

[0030] In this embodiment, a controller 31 and an alarm 32 are fixedly mounted on one side of the supporting plate 30 , and the alarm 32 and the harmful gas detector 29 are both electrically connected to the controller 31 .

[0031] In this embodiment, a sliding groove 34 is formed on one side of the mounting shell 9 , a sliding block 35 is slidably mounted in the sliding groove 34 , and a clamping block 36 is fixedly mounted on one side of the sliding block 35 .

[0032] In this embodiment, a slot 33 is defined on the top of the carrier plate 30 , and the bottom of the clamping block 36 is clamped in the slot 33 . Fastening bolts 38 are threadedly mounted on both support plates 10 .

[0033] The locking rod 18 is then engaged with the locking groove 19 to prevent accidental movement of the toggle rod 16. The locking rod 18 is then engaged with the locking groove 19 to prevent accidental movement of the toggle rod 16. The locking rod 18 is then engaged with the locking groove 19 to prevent accidental movement of the toggle rod 16. The toggle rod 16 is used to detect the gas inside the toggle housing 9. The detection data is transmitted to the controller 31. If harmful gas is detected, the alarm 32 is activated by the controller 31 to sound an alarm. Example 2

[0034] Reference Figure 1 and Figure 5 The difference between this embodiment and the first embodiment is that: a slide rail 22 is fixedly installed on one side of the two support plates 10, and a slider 23 is slidably installed on the two slide rails 22. The same mounting plate 24 is fixedly installed on one side of the two sliders 23. A plurality of rollers 25 are installed at the bottom of the mounting plate 24. A vertical hole 37 is opened on the mounting plate 24. The bottom end of the screw 14 passes through the vertical hole 37. Two annular blocks 26 are fixedly installed on the outer side of the screw 14. The sides of the two annular blocks 26 close to each other are in contact with the top and bottom of the mounting plate 24 respectively. The two annular blocks 26 are driven to move by the vertical movement of the screw 14. The two annular blocks 26 drive the mounting plate 24 to move, and the rollers 25 are raised or lowered. When falling, it is convenient for the overall movement, and when raising, the overall stability can be achieved.

[0035] The rest is the same as that of the first embodiment.

[0036] The above description is only a preferred specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any technician familiar with the technical field, within the technical scope disclosed by the present invention, who makes equivalent replacements or changes based on the technical solution and inventive concept of the present invention, should be covered by the scope of protection of the present invention.

Claims

1. A pneumatic pressurized closed sampling production device with circulating reflux, comprising a mounting shell (9), wherein a pneumatic gear pump (1) is arranged in the mounting shell (9), characterized in that: The front end of the pneumatic gear pump (1) is connected to an input pipe (6), the pneumatic gear pump (1) is connected to a pneumatic motor system (2), the back end of the pneumatic gear pump (1) is connected to a sealed sampling container (3) and a sealed sampling container (4), a jumper pipe (8) is provided between the sealed sampling container (3) and the sealed sampling container (4), the sealed sampling container (3) and the sealed sampling container (4) are connected to a metal hose, the jumper pipe (8) is connected to a pressure gauge (5), and the pressure gauge (5) is connected to a return product delivery pipe (7).

2. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 1 is characterized in that: Two support plates (10) are provided below the mounting shell (9), and a lifting groove (11) is provided on the top of each of the two support plates (10). A lifting plate (12) is slidably installed in each of the two lifting grooves (11), and the tops of the two lifting plates (12) are fixedly connected to the bottom of the mounting shell (9).

3. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 2 is characterized in that: The two support plates (10) are fixedly mounted with a same transverse plate (13), the transverse plate (13) is provided with a threaded hole (40), a screw rod (14) is installed in the threaded hole (40), a bearing (15) is fixedly mounted on the top of the screw rod (14), and the bearing (15) is fixedly mounted on the bottom of the mounting shell (9).

4. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 3 is characterized in that: A plurality of toggle rods (16) are fixedly mounted on the outer side of the screw rod (14), a fixed block (17) is fixedly mounted on one of the toggle rods (16), and a reset groove (39) is provided on the top of the fixed block (17).

5. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 4 is characterized in that: A locking rod (18) is slidably mounted in the reset groove (39), and a plurality of locking grooves (19) distributed in an annular shape are provided at the bottom of the mounting shell (9), and the top of the locking rod (18) is clamped with the corresponding locking groove (19).

6. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 5 is characterized in that: One end of a spring (21) is fixedly mounted on the bottom end of the locking rod (18), and the other end of the spring (21) is fixedly connected to the bottom inner wall of the reset groove (39). A push-pull block (20) is fixedly mounted on the outer side of the locking rod (18).

7. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 6 is characterized in that: The mounting shell (9) is provided with a rectangular hole (27), a rectangular block (28) is inserted into the rectangular hole (27), a harmful gas detector (29) is fixedly mounted on one side of the rectangular block (28), and a bearing plate (30) is fixedly mounted on the other side of the rectangular block (28).

8. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 7 is characterized in that: A controller (31) and an alarm (32) are fixedly mounted on one side of the carrier plate (30), and the alarm (32) and the harmful gas detector (29) are both electrically connected to the controller (31).

9. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 8 is characterized in that: A sliding groove (34) is provided on one side of the mounting shell (9), a sliding block (35) is slidably mounted in the sliding groove (34), and a clamping block (36) is fixedly mounted on one side of the sliding block (35).

10. The pneumatic pressurized closed sampling production device with circulation reflux according to claim 9, characterized in that: A slot (33) is provided on the top of the carrier plate (30), and the bottom of the clamping block (36) is clamped in the slot (33). Fastening bolts (38) are threadedly mounted on both support plates (10).

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