Detachable rapid sampling device of heterogeneous high-pressure reactor

Abstract

The utility model discloses a detachable quick sampling device of a heterogeneous high-pressure reactor, and belongs to the field of energy and chemical industry. The detachable quick sampling device is arranged between a bypass inlet ball valve and a bypass outlet ball valve and is used for detaching and replacing a bypass outlet pipeline for sampling. The detachable rapid sampling device comprises a replacement pipeline, and an inlet and an outlet of the replacement pipeline are connected with a bypass inlet ball valve and a bypass outlet ball valve through NPT connectors respectively. A stop valve, a sampling tank inlet ball valve, a sampling tank and a sampling tank outlet ball valve are sequentially arranged on the replacement pipeline in the flowing direction of substances in the pipeline, the sampling tank is connected with a sampling pipeline, and the replacement pipeline between the stop valve and the sampling tank inlet ball valve is connected with a pressure supplementing pipeline. The detachable rapid sampling device can solve the technical problems of long sampling time and residues in the existing heterogeneous reaction.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the field of energy chemical industry relates to a kind of detachable quick sampling device of heterogeneous high-pressure reactor. BACKGROUND

[0002] Heterogeneous reaction is widely used in petroleum chemical industry, coal chemical industry, fine chemical industry and other industries. When the reaction product needs to be analyzed in real time for heterogeneous reaction, sampling is carried out by fixed sampling tank, which needs to replace the sampling tank with product on the device. It not only consumes a lot of time, but also has the problem of incomplete replacement and residual sample of the previous working condition.

[0003] Therefore, a convenient and efficient heterogeneous reaction sampling device is needed to solve the problem of long sampling time and residue, thereby shortening the sampling time and greatly improving the heterogeneous reaction sampling efficiency. UTILITY MODEL CONTENT

[0004] In order to overcome the above-mentioned shortcomings of the prior art, the purpose of the utility model is to provide a detachable quick sampling device of heterogeneous high-pressure reactor, which solves the technical problems of long sampling time and residue of existing heterogeneous reaction.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a kind of detachable quick sampling device of heterogeneous high-pressure reactor, the detachable quick sampling device is arranged between bypass inlet ball valve and bypass outlet ball valve, and the detachable quick sampling device is used to disassemble and replace bypass outlet pipeline for sampling.

[0007] The detachable quick sampling device includes replacement pipeline, and the inlet and outlet of the replacement pipeline are connected with bypass inlet ball valve and bypass outlet ball valve through NPT joint respectively.

[0008] The replacement pipeline is sequentially provided with stop valve, sampling tank inlet ball valve, sampling tank and sampling tank outlet ball valve along the flow direction of substances inside the pipeline, the sampling tank is connected with sampling pipeline, and the replacement pipeline between the stop valve and sampling tank inlet ball valve is connected with pressure supplementing pipeline.

[0009] In an embodiment, a sampling port ball valve is arranged on the sampling pipeline.

[0010] In an embodiment, the sampling tank is connected with sampling port ball valve on the sampling pipeline, sampling tank inlet ball valve and sampling tank outlet ball valve on the replacement pipeline through NPT joint respectively.

[0011] In an embodiment, a pressure supplementing stop valve is arranged on the pressure supplementing pipeline.

[0012] In an embodiment, a pressure gauge is arranged on the pressure compensation pipeline.

[0013] In an embodiment, the pressure gauge has a range of 1.5-2.0 times the pressure of the heterogeneous reaction in the reactor.

[0014] In an embodiment, the medium in the pressure compensation pipeline is a heterogeneous reaction gas phase.

[0015] In an embodiment, the pressure in the displacement pipeline is consistent with the pressure in the reactor during sampling.

[0016] In an embodiment, the stop valve, the sampling tank inlet ball valve, and the sampling tank outlet ball valve are stainless steel valves; the sampling tank is a stainless steel tank; and the pressure compensation pipeline and the displacement pipeline are stainless steel pipelines.

[0017] In an embodiment, the inlet and outlet of the bypass outlet pipeline are connected to the product main outlet pipeline in sequence, and the bypass inlet ball valve and the bypass outlet ball valve are arranged close to the inlet and outlet of the bypass outlet pipeline, respectively.

[0018] Compared with the prior art, the present application has the following beneficial effects:

[0019] The present application provides a detachable and rapid sampling device for a heterogeneous high-pressure reactor. The existing device uses a fixed sampling tank for sampling, which requires a large amount of time for displacement, consumes manpower and resources, greatly reduces the experimental efficiency, and is also prone to incomplete displacement and sample residue. The device provided by the present application can replace the original bypass outlet pipeline, making the sampling process more flexible and convenient. Since the device is detachable, the operator can quickly install it into the reaction system, open the corresponding valve for replacement sampling. After sampling is completed, the device can also be quickly detached for sample collection. This rapid operation method reduces the displacement time and also reduces the risk of sample residue caused by incomplete displacement. The use of NPT joints makes the installation and removal of the sampling device more convenient and fast, further shortens the sampling time, and reduces the possibility of sample residue. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 FIG. 1 is a structural schematic diagram of an existing small-scale heterogeneous reaction sampling device;

[0021] Figure 2 FIG. 2 is a structural schematic diagram of a detachable and rapid sampling device for a heterogeneous high-pressure reactor according to the present application.

[0022] Wherein: 01-reactor; 02-ball valve; 03-bypass inlet ball valve; 04-bypass outlet ball valve; 05-bypass outlet pipeline; 1-stop valve; 2-sampling tank inlet ball valve; 3-sampling tank; 4-sampling tank outlet ball valve; 5-pressure gauge; 6-sampling port ball valve; 7-pressurizing stop valve; 8-pressurizing pipeline; 9-displacement pipeline; 10-dismountable quick sampling device. DETAILED DESCRIPTION

[0023] In order to make the personnel in the technical field better understand the utility model scheme, the technical scheme in the utility model embodiments will be clearly and completely described below in combination with the drawings in the utility model embodiments. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor should belong to the protection scope of the utility model.

[0024] It should be noted that the terms "first", "second" and the like in the specification and claims of the utility model and the above-described drawings are used to distinguish similar objects, and do not have to be used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged under appropriate circumstances, so that the embodiments of the utility model described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "include" and "have" and any variations thereof are intended to cover non-exclusive inclusion, for example, a process, method, system, product or device including a series of steps or units does not have to be limited to the clearly listed steps or units, but can include other steps or units not clearly listed or inherent to these processes, methods, products or devices.

[0025] The utility model will be described in further detail below in combination with the drawings:

[0026] Referring to Figure 1 , a small test heterogeneous reaction sampling device is provided in the prior art, the device comprises a reactor 01, the reactor 01 is connected with a product main outlet pipeline and bypass outlet pipeline 05, wherein the inlet and outlet of the bypass outlet pipeline 05 are connected with the product main outlet pipeline in sequence, the product main outlet pipeline is provided with a ball valve 02, the bypass outlet pipeline 05 is provided with a bypass inlet ball valve 03 and bypass outlet ball valve 04, and the bypass inlet ball valve 03 and bypass outlet ball valve 04 are arranged close to the positions of the inlet and outlet of the bypass outlet pipeline 05.

[0027] Referring to Figure 2The utility model provides a kind of heterogeneous high-pressure reactor detachable quick sampling device, the detachable quick sampling device 10 is installed between bypass inlet ball valve 03 and bypass outlet ball valve 04, its main function is used to replace bypass outlet pipeline 05 to carry out quick sampling.

[0028] Wherein, the core component of detachable quick sampling device 10 is replacement pipeline 9, its two ends are connected with bypass inlet ball valve 03 and bypass outlet ball valve 04 using NPT joint respectively;And on replacement pipeline 9, cut-off valve 1, sampling tank inlet ball valve 2, sampling tank 3 and sampling tank outlet ball valve 4 are sequentially arranged along the direction of internal material flow of pipeline;Sampling tank 3 is connected with sampling pipeline, and sampling tank 3 is connected with external through sampling pipeline, to facilitate sample extraction.In addition, a pressure supplementing pipeline 8 is additionally arranged on replacement pipeline 9 between cut-off valve 1 and sampling tank inlet ball valve 2.

[0029] Sampling port ball valve 6 is arranged on sampling pipeline, and the ball valve 6 is used to control the opening and closing of sampling process, specifically, sampling tank 3 is connected with sampling port ball valve 6 on sampling pipeline, sampling tank inlet ball valve 2 and sampling tank outlet ball valve 4 on replacement pipeline 9 through NPT joint.Pressure gauge 5 is connected with the outlet of pressure supplementing cut-off valve 7, and both are connected by NPT quick joint.

[0030] Pressure supplementing cut-off valve 7 and pressure gauge 5 are arranged on pressure supplementing pipeline 8, and pressure supplementing cut-off valve 7 is used to adjust and control the medium flow in pressure supplementing pipeline 8 to realize the function of pressure supplementing or adjusting.

[0031] Wherein, the range of pressure gauge 5 is 1.5-2.0 times of the heterogeneous reaction working pressure in reactor 01, and the medium in pressure supplementing pipeline 8 is heterogeneous reaction gas phase.

[0032] During sampling, the pressure in replacement pipeline 9 is balanced with the pressure in reactor 01.

[0033] In the specific implementation process, cut-off valve 1, sampling tank inlet ball valve 2, sampling tank outlet ball valve 4 are stainless steel valves, sampling tank 3 is a stainless steel tank, pressure supplementing pipeline 8 and replacement pipeline 9 are stainless steel pipelines.

[0034] The material of the above-mentioned small test heterogeneous reaction sampling device is 316 stainless steel;The material of sampling tank 3 is 316L stainless steel;The material of sampling tank inlet ball valve 2, sampling tank outlet ball valve 4 and sampling port ball valve 6 is 316L stainless steel;The material of cut-off valve 1 and pressure supplementing cut-off valve 7 is 316L stainless steel;All connecting parts in the heterogeneous high-pressure reactor detachable quick sampling device are NPT quick joint.

[0035] The detachable rapid sampling device of the heterogeneous high-pressure reactor can realize rapid sampling by replacing the bypass outlet pipeline 05 between the bypass inlet ball valve 03 and the bypass outlet ball valve 04 in the reactor 01 outlet pipeline, effectively avoids the long-time replacement and cleaning of the sampling tank 3 during sampling, and greatly improves the sampling efficiency in experiments.

[0036] Embodiment

[0037] An existing small test heterogeneous reaction sampling device is shown in the figure, and the device structure comprises: Figure 1

[0038] The reactor 01 is connected with a product main outlet pipeline and a bypass outlet pipeline 05, and the two ends of the bypass outlet pipeline 05 are connected with the product main outlet pipeline respectively.

[0039] The ball valve 02 is arranged on the product main outlet pipeline.

[0040] The bypass inlet ball valve 03 and the bypass outlet ball valve 04 are arranged on the bypass outlet pipeline 05, and the two are arranged adjacent to the two ends of the bypass outlet pipeline 05 respectively.

[0041] The detachable rapid sampling device of the heterogeneous high-pressure reactor can realize rapid sampling by replacing the bypass outlet pipeline 05 between the bypass inlet ball valve 03 and the bypass outlet ball valve 04 in the reactor 01 outlet pipeline, effectively avoids the long-time replacement and cleaning of the sampling tank 3 during sampling, and greatly improves the sampling efficiency in experiments. Figure 2

[0042] The detachable rapid sampling device 10 is installed between the bypass inlet ball valve 03 and the bypass outlet ball valve 04, and is used for replacing the bypass outlet pipeline 05 between the bypass inlet ball valve 03 and the bypass outlet ball valve 04 to realize rapid sampling.

[0043] The replacement pipeline 9 in the detachable rapid sampling device 10, the pipeline two ends are connected with the bypass inlet ball valve 03 and the bypass outlet ball valve 04 through NPT joint respectively; in the direction of material flow, the replacement pipeline 9 is sequentially provided with the stop valve 1, the sampling tank inlet ball valve 2, the sampling tank 3 and the sampling tank outlet ball valve 4.

[0044] The sampling tank 3 is connected with the outside through the sampling pipeline, and the sampling pipeline is provided with the sampling port ball valve 6 for controlling the sampling process.

[0045] In the replacement pipeline 9, the stop valve 1 and the sampling tank inlet ball valve 2 are additionally provided with the pressure compensation pipeline 8, the pressure compensation pipeline 8 is provided with the pressure compensation stop valve 7 and the pressure gauge 5, wherein the range of the pressure gauge 5 is 1.5-2.0 times of the working pressure of the reactor 01, and the medium in the pressure compensation pipeline 8 is the heterogeneous reaction gas phase.

[0046] ​​When sampling, the pressure in the displacement pipeline 9 is balanced with the pressure in the reactor 01.

[0047] In terms of material, the materials of the sampling tank 3, the sampling tank inlet ball valve 2, the sampling tank outlet ball valve 4, the sampling port ball valve 6, the stop valve 1 and the pressure compensation stop valve 7 are all 316L stainless steel. The stop valve 1, the sampling tank inlet ball valve 2, the sampling tank outlet ball valve 4, the sampling port ball valve 6, the pressure compensation stop valve 7, the sampling tank 3, the pressure compensation pipeline 8 and the displacement pipeline 9 are all stainless steel valves, stainless steel tanks and stainless steel pipelines. All connections in the non-homogeneous high-pressure reactor detachable rapid sampling device are connected by NPT quick connectors, and the material of the pilot fixed bed reactor catalyst loading device is 316 stainless steel.

[0048] The non-homogeneous high-pressure reactor detachable rapid sampling device in this embodiment mainly includes a sampling tank 3, which is connected with a sampling tank inlet ball valve 2, a sampling tank outlet ball valve 4 and a sampling port ball valve 6 respectively. A pressure gauge 5 is connected with the outlet of a pressure compensation stop valve 7. All connectors are connected by NPT quick connectors.

[0049] The non-homogeneous high-pressure reactor 01 in this embodiment is a laboratory small test device. The pipelines used are 1 / 4' 316L pipelines. The pressure resistance of the sampling tank 3 is 15 MPa, the volume of the sampling tank 3 is 500 mL, the range of the pressure gauge 5 is 0-25 MPa, and all connections in the detachable rapid sampling device are 1 / 4' 316L NPT connectors.

[0050] The sampling process of the above detachable rapid sampling device is as follows:

[0051] The non-homogeneous high-pressure reactor 01 is in a state without sampling. The device is composed of Figure 1 a bypass inlet ball valve 03 and a bypass outlet ball valve 04 in a closed state. The product enters the next process unit through the product main outlet pipeline and the ball valve 02 thereon.

[0052] When sampling is needed, the bypass inlet ball valve 03 and the bypass outlet ball valve 04 are first opened to make the product flow through the product main outlet pipeline and the bypass outlet pipeline 05. Then the bypass inlet ball valve 03 and the bypass outlet ball valve 04 are closed, and the lower straight pipeline (bypass outlet pipeline 05) is replaced by the detachable rapid sampling device (such as Figure 2 the device in the square box, all valves thereon are in a closed state).

[0053] According to the pressure of the heterogeneous high-pressure reactor, the sampling tank inlet ball valve 2 and the pressure compensation stop valve 7 are opened, the gaseous medium in the reactor 01 is filled into the sampling tank 3, when the reading on the pressure gauge 5 is the same as the pressure of the reactor 01, the pressure compensation stop valve 7 is closed, the bypass inlet ball valve 03, the stop valve 1, the sampling tank outlet ball valve 4, and the bypass outlet ball valve 04 are opened to sample.

[0054] The embodiment discloses a detachable quick sampling device for a heterogeneous high-pressure reactor, which effectively solves the two technical problems of long displacement time and incomplete displacement leading to sample residue when using a fixed sampling tank to sample.

[0055] The traditional sampling method needs to use the product to displace the sampling tank 3 for a long time on the device to ensure that the old sample in the sampling tank 3 is completely removed. The detachable quick sampling device provided by the embodiment has the characteristics of detachability and quick sampling. Specifically, the detachable quick sampling device can replace the original bypass outlet pipeline 05, including a blank sampling tank 3 without content, so that the sampling process is more flexible and convenient, and the technical problems of long displacement time and incomplete displacement leading to sample residue are solved.

[0056] During sampling, the operator only needs to replace the bypass outlet pipeline 05 between the bypass inlet ball valve 03 and the bypass outlet ball valve 04 with the detachable quick sampling device, and then opens the corresponding valves to sample. After sampling is completed, the operator can detach the detachable quick sampling device to collect the sample. This design not only avoids the cumbersome process of long-time displacement in the traditional sampling method, but also greatly reduces the risk of sample residue.

[0057] In addition, the detachable quick sampling device of the embodiment also adopts advanced NPT quick connector connection technology, so that the installation and disassembly of the sampling device are more convenient and fast.

[0058] The above content only illustrates the technical idea of the utility model, and cannot limit the protection range of the utility model, and any modification made on the basis of the technical scheme according to the technical idea of the utility model falls within the protection range of the utility model claim.

Claims

1. A detachable and rapid sampling device for a heterogeneous high-pressure reactor, characterized in that, The detachable quick sampling device (10) is arranged between the bypass inlet ball valve (03) and the bypass outlet ball valve (04), and is used for sampling by detaching and replacing the bypass outlet pipeline (05); The detachable quick sampling device (10) comprises a replacement pipeline (9), and the inlet and outlet of the replacement pipeline (9) are connected with the bypass inlet ball valve (03) and the bypass outlet ball valve (04) through NPT joints respectively. The replacement pipeline (9) is sequentially provided with a stop valve (1), a sampling tank inlet ball valve (2), a sampling tank (3) and a sampling tank outlet ball valve (4) along the flow direction of the internal material of the pipeline, and the sampling tank (3) is connected with a sampling pipeline; the replacement pipeline (9) between the stop valve (1) and the sampling tank inlet ball valve (2) is connected with a pressure compensation pipeline (8).

2. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The sampling pipeline is provided with a sampling port ball valve (6).

3. The heterogeneous high pressure reactor removable quick sampling device according to claim 2, wherein, The sampling tank (3) is connected with the sampling port ball valve (6) on the sampling pipeline, the sampling tank inlet ball valve (2) and the sampling tank outlet ball valve (4) on the replacement pipeline (9) through NPT joints respectively.

4. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The pressure compensation pipeline (8) is provided with a pressure compensation stop valve (7).

5. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The pressure compensation pipeline (8) is provided with a pressure gauge (5).

6. The heterogeneous high pressure reactor removable quick sampling device according to claim 5, wherein, The range of the pressure gauge (5) is 1.5-2.0 times of the pressure of the heterogeneous reaction in the reactor (01).

7. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The medium in the pressure compensation pipeline (8) is a heterogeneous reaction gas phase.

8. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, During sampling, the pressure in the replacement pipeline (9) is consistent with the pressure in the reactor (01).

9. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The stop valve (1), the sampling tank inlet ball valve (2), the sampling tank outlet ball valve (4) are stainless steel valves; the sampling tank (3) is a stainless steel tank; the pressure compensation pipeline (8) and the replacement pipeline (9) are stainless steel pipelines.

10. The heterogeneous high pressure reactor removable quick sampling device according to claim 1, wherein, The inlet and outlet of the bypass outlet pipeline (05) are connected with the product main outlet pipeline in sequence, and the bypass inlet ball valve (03) and the bypass outlet ball valve (04) are arranged close to the positions of the inlet and outlet of the bypass outlet pipeline (05) respectively.

Images