Cooling device and reaction system

Abstract

The utility model discloses a cooling device which is used for cooling fluid in a pipeline and detachably arranged on the outer side of the pipeline in a sleeving mode. The cooling device comprises a shell, a first sealing mechanism, a second sealing mechanism, an inlet and an outlet, the shell extends in the preset direction, the shell is basically tubular, and the shell is formed by encircling a first shell and a second shell; the first sealing mechanism is arranged between the first shell and the second shell; the second sealing mechanisms are arranged at the two ends of the shell and used for sealing between the shell and the pipeline. The inlet is formed in the shell; the outlet is formed in the shell, and the arrangement height of the outlet is larger than that of the inlet. The utility model further discloses a reaction system. According to the embodiment of the invention, the detachable cooling device is arranged, so that the cooling device can be mounted on the outer side of the pipeline under the condition of not interrupting production, the condensation effect is improved, and the production safety and the product quality are ensured.

Description

Technical Field

[0001] The present application relates to the technical field of chemical plant equipment, and in particular to a cooling device and a reaction system. Background Art

[0002] In some reactions of chemical production, the reaction generates high temperature, which causes a large amount of reaction solvent to volatilize. In this case, a condenser is usually used to condense the volatilized reaction solvent, but it is also easy to have problems such as poor condensation effect due to insufficient heat exchange area of ​​the condenser.

[0003] In the prior art, an auxiliary cooling device is usually installed on the pipe between the reactor and the condenser by welding to enhance the condensation effect. However, the installation process of the cooling device by welding is complicated and cannot be temporarily installed during the continuous production of the production line. At the same time, the high temperature generated during the welding process will also affect the production of the production line. In particular, when the pipeline contains flammable and explosive fluids, there are greater safety hazards in the process of welding the cooling device on the outside of the pipeline, which is also likely to have an adverse effect on subsequent production. Utility Model Content

[0004] In order to solve the above problems, the present application provides a detachable cooling device, which is detachable and can be installed on site without welding during the installation process, thereby avoiding problems such as production interruption caused by the installation of the cooling device.

[0005] One aspect of the present application discloses a cooling device, which is used to cool the fluid in a pipeline, and the cooling device is detachably mounted on the outside of the pipeline; the cooling device includes a shell, a first sealing mechanism, a second sealing mechanism, an inlet and an outlet; the shell extends along a preset direction, the shell is basically tubular, and the shell is formed by embracing a first shell and a second shell; the first sealing mechanism is arranged between the first shell and the second shell; the second sealing mechanism is arranged at both ends of the shell, and the second sealing mechanism is used for sealing between the shell and the pipeline; the inlet is arranged in the shell; the outlet is arranged in the shell, and the setting height of the outlet is higher than the setting height of the inlet.

[0006] Furthermore, the cooling device also includes a spoiler mechanism, which is arranged in the shell. The spoiler mechanism includes a first spoiler component arranged in the first shell and a second spoiler component arranged in the second shell. The first spoiler component and the second spoiler component are staggered.

[0007] Further, the first spoiler assembly includes at least two semi-annular baffles spaced apart along a preset direction, and the second spoiler assembly includes at least two semi-annular baffles spaced apart along a preset direction.

[0008] Furthermore, the semi-annular partition is arranged perpendicular to a preset direction.

[0009] Further, the inlet and the outlet are respectively arranged in the first shell and the second shell; or,

[0010] The inlet and the outlet are arranged in the first shell or the second shell at the same time.

[0011] Furthermore, the first shell and the second shell are connected via fasteners.

[0012] Further, the first sealing mechanism includes a sealing gasket, and the second sealing mechanism includes a packing seal.

[0013] Furthermore, the inlet is provided with a control valve and a drain valve.

[0014] Furthermore, the cooling device also includes an exhaust mechanism, and the exhaust mechanism is arranged on the top of the shell.

[0015] Another aspect of the present application discloses a reaction system, which includes a reactor, a condenser, a pipeline and the aforementioned cooling device; the pipeline is connected between the reaction container and the condenser, and the cooling device is sleeved on the outside of the pipeline.

[0016] In the embodiment of the present application, by providing a detachable cooling device, the cooling device can be installed on the outside of the pipeline without interrupting production, thereby improving the condensation effect and ensuring production safety and product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of a cooling device in one implementation of the present application;

[0018] Figure 2 This is a schematic diagram of the explosion structure of the first shell and the second shell in one implementation of the present application;

[0019] Figure 3 This is a schematic cross-sectional structure diagram of a cooling device in one implementation of the present application;

[0020] Figure 4 This is a schematic diagram of the explosion structure of the first shell and the second shell in another implementation of the present application;

[0021] Figure 5 This is a schematic cross-sectional structure diagram of a cooling device in another implementation of the present application;

[0022] Figure 6 This is a schematic diagram of the structure of a reaction system in one implementation of the present application;

[0023] Figure 7 This is a schematic diagram of the structure between the cooling device and the pipeline in one implementation of the present application.

[0024] In the figure: a cooling device 100, a shell 11, a first shell 111, a second shell 112, a first sealing mechanism 12, a second sealing mechanism 13, an inlet 14, a control valve 141, a drain valve 142, an outlet 15, a spoiler mechanism 16, a first spoiler component 161, a second spoiler component 162, a partition 163, an exhaust mechanism 17, a pipeline 200, a reactor 300, and a condenser 400. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the specific implementation manner of the present application will be clearly and completely described below in conjunction with the drawings in the implementation manner of the present application.

[0026] One aspect of the present application embodiment provides a Figure 1 , Figure 2 and Figure 3 The cooling device 100 shown is used to be detachably mounted on the outside of the pipe 200 and used to cool the fluid in the pipe 200. The cooling device 100 includes a housing 11, a first sealing mechanism 12, a second sealing mechanism 13, an inlet 14 and an outlet 15. In the related art, similar cooling devices 100 are usually connected to the outside of the pipe 200 by welding. Installing the cooling device 100 by welding limits the scope of use of the cooling device 100. In particular, when there are flammable and explosive fluids in the pipe 200, the cooling device 100 cannot be installed without stopping the production line. The cooling device 100 in the embodiment of the present application is of a detachable design. The cooling device 100 can be installed without welding. In particular, when there are flammable and explosive fluids in the pipe 200, the cooling device 100 in the embodiment of the present application can be installed without stopping the production line.

[0027] The shell 11 basically extends along a preset direction, which is also the direction in which the pipeline 200 extends. The shell 11 is basically in the shape of a circular tube, and the shell 11 is formed by the first shell 111 and the second shell 112. The structure of the first shell 111 and the second shell 112 is similar to a tubular structure arranged in a half-section, and the first shell 111 and the second shell 112 can form a complete pipeline 200 structure after being connected to each other. After the first shell 111 and the second shell 112 are sleeved on the outside of the pipeline 200, the first shell 111 and the second shell 112 are connected by fasteners, and can also be connected by a clamp or the like. According to actual needs, the first shell 111 and the second shell 112 can also be set in any direction, as long as the first shell 111 and the second shell 112 are connected to form a shell 11 sleeved outside the pipeline 200.

[0028] The first sealing mechanism 12 is arranged between the first shell 111 and the second shell 112, and the first sealing mechanism 12 realizes the sealing between the first shell 111 and the second shell 112. In order to achieve the condensation effect, a cooling medium needs to be introduced into the cooling device 100, and the cooling medium is usually selected as cooling water in actual production. The first sealing mechanism 12 is arranged between the first shell 111 and the second shell 112 to improve the sealing between the first shell 111 and the second shell 112, and avoid leakage between the first shell 111 and the second shell 112. The second sealing mechanism 13, the second sealing mechanism 13 is arranged at both ends of the shell 11, and the second sealing mechanism 13 is arranged between the shell 11 and the pipeline 200 and is used to realize the sealing between the shell 11 and the pipeline 200. After the first shell 111 and the second shell 112 are embraced to form the shell 11, they are sleeved on the outside of the pipeline 200, and the cooling medium flows between the shell 11 and the pipeline 200. The second sealing mechanism 13 is arranged at the end of the shell 11 to ensure that the cooling medium will not leak between the shell 11 and the pipeline 200. Under the action of the first sealing mechanism 12 and the second sealing mechanism 13 , sealing inside the cooling device 100 and between the cooling device 100 and the pipeline 200 can be achieved.

[0029] The inlet 14 is used to input the cooling medium into the cooling device 100, and the outlet 15 is used to discharge the cooling medium after circulating in the cooling device 100 out of the cooling device 100. The outlet 15 is set at a position higher than the inlet 14, so that the cooling medium can achieve a low-input and high-output circulation path, extend the circulation path of the cooling medium, improve the utilization efficiency of the cooling medium, and improve the cooling efficiency of the cooling device 100.

[0030] As a way to achieve this, Figure 4 As shown, the cooling device 100 also includes a spoiler mechanism 16, which is arranged in the housing 11. The spoiler mechanism 16 is arranged in the housing 11 to further extend the circulation path length of the cooling medium in the cooling device 100, and the cooling medium can be used to the maximum extent to reduce the temperature of the fluid in the pipeline 200. The spoiler mechanism 16 includes a first spoiler component 161 and a second spoiler component 162, the first spoiler component 161 is arranged in the first housing 111, and the second spoiler component 162 is arranged in the second housing 112, and the first spoiler component 161 and the second spoiler component 162 are staggered. The first spoiler component 161 and the second spoiler component 162 are basically the same. After the first spoiler component 161 and the second spoiler component 162 are staggered, a circulation channel similar to a "Z" shape can be formed inside the cooling device 100, and the circulation in the circulation channel can further extend the flow length of the cooling medium in the cooling device 100, extend the residence time of the cooling medium in the cooling device 100, improve the utilization rate of the cooling medium, and improve the cooling efficiency of the cooling device 100.

[0031] As a way to achieve this, Figure 4 As shown, the first spoiler assembly 161 includes at least two semi-annular baffles 163 spaced apart in a preset direction, and the second spoiler assembly 162 includes at least two semi-annular baffles 163 spaced apart in a preset direction. The semi-annular baffles 163 can form a complete blocking structure between the pipe 200 and the first shell 111 or the second shell 112, preventing the cooling medium from flowing through the shell component on the side of the baffle 163, but enabling the cooling medium to flow through the shell component on the opposite side of the baffle 163, so that the cooling medium forms a "Z"-shaped flow route in the cooling device 100, increasing the flow length of the cooling medium in the cooling device 100, extending the residence time of the cooling medium in the cooling device 100, improving the utilization rate of the cooling medium, and improving the cooling efficiency of the cooling device 100.

[0032] As an implementation method, the semi-annular partition 163 is arranged perpendicular to the preset direction. When the semi-annular partition 163 is arranged perpendicularly, the flow length and flow stability of the cooling medium in the cooling device 100 can be guaranteed while ensuring the connection strength of the partition 163. If the partition 163 is arranged along the flow direction of the cooling medium, the flow length of the cooling medium will be reduced accordingly. If the partition 163 is arranged against the flow direction of the cooling medium, the cooling medium may generate turbulence in the cooling device 100, affecting the stability of the cooling medium flow.

[0033] As an implementation, both the inlet 14 and the outlet 15 are arranged on the shell 11, and the outlet 15 is arranged higher than the inlet 14. The outlet 15 is preferably arranged at the top of the shell 11, and the inlet 14 is preferably arranged at the bottom of the shell 11. The inlet 14 and the outlet 15 are arranged in this way to fully utilize the internal space of the cooling device 100, so that the cooling medium can completely fill the entire internal space of the cooling device 100 when the cooling device 100 is working, thereby improving the cooling efficiency of the cooling device 100. Specifically, the inlet 14 and the outlet 15 can be arranged in the first shell 111 and the second shell 112 respectively. The inlet 14 and the outlet 15 are arranged separately to facilitate the processing of the first shell 111 and the second shell 112, and the first shell 111 and the second shell 112 can be designed to have substantially the same structure, which can reduce the design and production costs. The inlet 14 and the outlet 15 can also be set at the same time in the first shell 111 or the second shell 112. The inlet 14 and the outlet 15 are set on one shell component at the same time, which can better control the setting position and setting accuracy of the inlet 14 and the outlet 15. At the same time, for the shell 11 components that are not equipped with the inlet 14 and the outlet 15 and have a simple structure, industry-standard parts can also be used, thereby reducing the overall manufacturing cost.

[0034] As an implementation method, the first shell 111 and the second shell 112 are connected by fasteners. The first shell 111 and the second shell 112 can be connected in any manner, as long as it can ensure that the first shell 111 and the second shell 112 can be tightly connected to each other, and at the same time, it can ensure that the first shell 111 and the second shell 112 are leak-proof with the assistance of the first sealing mechanism 12 after being connected to each other. The fastener connection method is more common, and the use of fasteners can also increase the convenience of installation and disassembly. When fasteners are used for connection, a connection seat for the fasteners can be set at the corresponding positions of the first shell 111 and the second shell 112.

[0035] As an implementation method, the first sealing mechanism 12 includes a sealing gasket. The first shell 111 and the second shell 112 are connected by fasteners or the like, and the first shell 111 and the second shell 112 are in surface contact. Providing a sealing gasket between the first shell 111 and the second shell 112 can meet the requirements of sealing and anti-seepage, and the sealing gasket also has the advantages of low cost and the like.

[0036] As an implementation method, the second sealing mechanism 13 includes a packing sealing mechanism. The structure between the end of the cooling device 100 and the pipe 200 is completely different from the contact structure between the first shell 111 and the second shell 112, and sealing structures such as sealing gaskets can no longer meet the sealing and anti-seepage requirements of this part. The packing sealing mechanism can use the packing to fill the gap between the cooling device 100 and the pipe 200, and the packing sealing structure can meet the sealing and anti-seepage requirements between the end of the cooling device 100 and the pipe 200. Specifically, the second sealing mechanism 13 includes at least one of a hard packing sealing mechanism and a soft packing sealing mechanism.

[0037] As a way to achieve this, Figure 5 As shown, the inlet 14 is also provided with a control valve 141 and a drain valve 142. The control valve 141 can control the total amount and flow rate of the cooling medium entering the cooling device 100 from the inlet 14, thereby controlling the cooling capacity and cooling efficiency of the cooling device 100. The drain valve 142 can timely drain the cooling medium in the cooling device 100 after the cooling process is completed, thereby avoiding damage to the cooling device 100 caused by the cooling medium being retained in the cooling device 100 for a long time. At the same time, when the cooling device 100 needs to be dismantled, the drain valve 142 can also be used in advance to discharge the cooling medium in the cooling device 100, so as to facilitate the subsequent dismantling of the cooling device 100. Since the inlet 14 is basically arranged at the lowest end of the cooling device 100, setting the drain valve 142 at the inlet 14 position can also completely drain the cooling medium in the cooling device 100.

[0038] As a way to achieve this, Figure 5As shown, the cooling device 100 further includes an exhaust mechanism 17, which is disposed at the top of the housing 11. The exhaust mechanism 17 is disposed at the top of the housing 11, which can facilitate the exhaust of air in the cooling device 100 in the early stage of the operation of the cooling device 100, and can increase the cooling medium content in the cooling device 100 during the operation process, thereby improving the cooling efficiency. At the same time, it can also avoid problems such as a decrease in cooling efficiency due to the presence of air in the cooling device 100.

[0039] In the embodiment of the present application, by setting the cooling device 100 to be detachable, it can be installed, used and disassembled according to actual needs during production. At the same time, the installation method is relatively simple, and there is no need to use welding or other methods that will cause the production line to stop for installation, which can improve production efficiency.

[0040] Another aspect of the present application embodiment also provides a Figure 6 and Figure 7 The reaction system shown in the figure includes a reactor 300, a condenser 400, a pipeline 200 and a cooling device 100 as described above. The reactor 300 is the main place for chemical reaction, and the condenser 400 is used to condense and reflux the solvent and other components volatilized from the reactor 300 due to high temperature. The pipeline 200 is connected between the reactor 300 and the condenser 400, and is used to transport the components volatilized due to high temperature. The cooling device 100 is sleeved on the outside of the pipeline 200, and plays the role of auxiliary heat exchange cooling before the condenser 400, reduces the condensation pressure of the condenser 400, improves the overall recovery rate of the components, and reduces the loss of raw material components in production.

[0041] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to this application.

Claims

1. A cooling device, It is characterized in that The cooling device is used to cool the fluid in the pipeline, and the cooling device is detachably sleeved on the outside of the pipeline; the cooling device includes: A shell, the shell extends along a preset direction, the shell is substantially tubular, and the shell is formed by embracing a first shell and a second shell; a first sealing mechanism, the first sealing mechanism being disposed between the first shell and the second shell; A second sealing mechanism, the second sealing mechanism is arranged at both ends of the shell, and the second sealing mechanism is used for sealing between the shell and the pipeline; an inlet, the inlet being disposed on the housing; An outlet is provided on the shell, and a setting height of the outlet is higher than a setting height of the inlet.

2. The cooling device according to claim 1, Features: The cooling device also includes a spoiler mechanism, which is arranged in the shell. The spoiler mechanism includes a first spoiler component arranged in the first shell and a second spoiler component arranged in the second shell. The first spoiler component and the second spoiler component are staggered.

3. The cooling device according to claim 2, Features: The first spoiler assembly includes at least two semi-annular baffles spaced apart along the preset direction, and the second spoiler assembly includes at least two semi-annular baffles spaced apart along the preset direction.

4. The cooling device according to claim 3, Features: The semi-annular partition is arranged perpendicular to the preset direction.

5. The cooling device according to claim 1, Features: The inlet and the outlet are respectively arranged in the first shell and the second shell; or, The inlet and the outlet are both provided in the first shell or the second shell.

6. The cooling device according to claim 1, Features: The first shell and the second shell are connected via fasteners.

7. The cooling device according to claim 1, Features: The first sealing mechanism includes a sealing gasket, and the second sealing mechanism includes a packing seal.

8. The cooling device according to claim 1, Features: The inlet is provided with a control valve and a drain valve.

9. The cooling device according to claim 1, Features: The cooling device further comprises an exhaust mechanism, and the exhaust mechanism is arranged on the top of the shell.

10. A reaction system, Features: The reaction system comprises a reactor, a condenser, a pipeline and a cooling device as described in any one of claims 1 to 9; the pipeline is connected between the reactor and the condenser, and the cooling device is sleeved on the outside of the pipeline.

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