Temperature regulating assembly for a pipe

Abstract

The application discloses a temperature adjusting assembly for a pipeline, comprising: a cylinder body, one end of which is connected with the pipeline, the other end of which is used for mounting a valve core, and the cylinder body is penetrated by a conveying channel along the axial direction to convey high-temperature flowing medium; a hydraulic oil path; a moving assembly, which is installed inside the side wall of the cylinder body and acts on the valve core; wherein, a cooling flow channel is formed inside the side wall of the cylinder body, and the cooling flow channel is arranged around the conveying channel; the hydraulic oil path and the moving assembly jointly form an oil cylinder structure, the moving assembly is driven to move through the hydraulic oil path, thereby providing power along the axial direction of the cylinder body. The application can realize the flow control of the high-temperature flowing medium, the cooling flow channel is designed in the side wall of the cylinder body, the metal wall surface is cooled by cooling water, the damage and aging of the adjusting assembly are effectively slowed down, the oil cylinder structure formed by the hydraulic oil path and the moving assembly is integrated in the cylinder body, the structure is compact, the manufacturing cost is low, and the operation is safe and reliable; and the optimized profile can meet the flow requirements of subsonic speed, sonic speed and transonic speed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valves, in particular to a temperature regulating assembly for a pipeline. BACKGROUND

[0002] For the regulation and control of high-temperature flowing medium, high-temperature regulating valves are generally selected, but the thermal expansion amount and thermal load caused by the temperature of the high-temperature flowing medium bring many problems to the selection of materials, structural design and working mode of the control mechanism.

[0003] In the process of using the existing high-temperature regulating valve, only the material properties of the valve itself are relied on to ensure the resistance to high temperature, which results in the need to select more durable materials and a large number of heat-resistant accessories in the manufacturing of the regulating valve, which has a negative impact on the stability and economic savings of the device, and under the premise of high-temperature resistance, there is still a lack of effective heat dissipation method, which also causes the gradual aging of the device and affects the service life.

[0004] Therefore, it is necessary to provide a new way to solve the above technical problems. SUMMARY

[0005] In view of the deficiencies of the prior art, the purpose of the present application is to provide a temperature regulating assembly for a pipeline, a cooling flow channel is designed in the side wall of the cylinder, the metal wall surface is cooled by cooling water, so that the temperature of the metal wall surface is within the temperature range that the material can withstand, effectively slowing down the damage and aging of the regulating assembly, and prolonging the service life, and the oil cylinder structure formed by the hydraulic oil circuit and the moving assembly is integrated in the cylinder, which is compact in structure and low in manufacturing cost, and safe and reliable in operation.

[0006] The technical scheme of the present application is summarized as follows:

[0007] A temperature regulating assembly for a pipeline, comprising:

[0008] a cylinder, one end of which is connected with a pipeline, and the other end is used to install a valve core, and the cylinder is penetrated by a conveying channel in the axial direction to convey high-temperature flowing medium;

[0009] a hydraulic oil circuit connected with the cylinder for hydraulic oil regulation and control;

[0010] a moving assembly installed inside the side wall of the cylinder and acting on the valve core, and the moving assembly is connected with the hydraulic oil circuit;

[0011] wherein a cooling flow channel is formed in the side wall of the cylinder, and the cooling flow channel is arranged around the conveying channel; the hydraulic oil circuit is located outside the cooling flow channel, and the hydraulic oil circuit and the moving assembly jointly form an oil cylinder structure, the moving assembly is driven to move by the hydraulic oil circuit, thereby providing power in the axial direction of the cylinder.

[0012] Preferably, the barrel comprises an inner barrel and an outer barrel sleeved outside the inner barrel; wherein,

[0013] The cooling flow channel is arranged inside the side wall of the inner barrel, and the moving assembly is arranged between the outer barrel and the inner barrel.

[0014] Preferably, the cooling flow channel comprises a main flow channel, a first cooling flow channel and a second cooling flow channel which are sequentially communicated; wherein,

[0015] The main flow channel is annularly arranged at one end of the inner barrel away from the valve core and is communicated with the water inlet structure, forming a circumferentially uniform water distribution structure;

[0016] The first cooling flow channel extends along the axial direction of the inner barrel and is connected with the second cooling flow channel;

[0017] The second cooling flow channel is connected with the water outlet structure to cool the conveying channel.

[0018] Preferably, the inner barrel comprises a first shell, a second shell, a third shell which are sequentially sleeved outward, and an annular plate located at the end of the inner barrel; wherein,

[0019] The first shell is used to penetrate the conveying channel;

[0020] The second shell is located outside the first shell and clamps the first shell to form the first cooling flow channel;

[0021] The third shell is located outside the second shell and clamps the second shell to form the second cooling flow channel;

[0022] The annular plate clamps the third shell to form the main flow channel.

[0023] Preferably, the wall thickness of the first cooling flow channel is 2-8mm.

[0024] Preferably, the outer barrel is provided with a cooling water inlet and an outlet communicated with the cooling flow channel, wherein the inlet is located at the bottom of the outer barrel, and the outlet is located at the top of the outer barrel.

[0025] Preferably, the outer barrel is further provided with a first hydraulic port and a second hydraulic port communicated with the hydraulic oil circuit, and the first hydraulic port and the second hydraulic port are arranged at two ends of the outer barrel; wherein,

[0026] The first hydraulic port delivers hydraulic oil to the front end of the moving assembly;

[0027] The second hydraulic port delivers hydraulic oil to the outer side wall of the moving assembly;

[0028] The pressure difference generated at the first hydraulic port and the second hydraulic port drives the moving assembly to extend or retract, forming a double-acting hydraulic cylinder structure.

[0029] The application also provides a temperature adjusting assembly for a pipeline, comprising:

[0030] Valve core

[0031] Cylinder, one end of which is connected with the pipeline, the other end of which is used to install the valve core, and the cylinder is penetrated by a conveying passage in the axial direction to convey the high-temperature flowing medium;

[0032] Hydraulic oil circuit, which is connected with the cylinder, is used for hydraulic oil adjustment and control;

[0033] Moving assembly, which is installed inside the side wall of the cylinder and acts on the valve core, and the moving assembly is connected with the hydraulic oil circuit;

[0034] The cooling flow channel is formed inside the side wall of the cylinder, and the cooling flow channel is arranged around the conveying passage; the hydraulic oil circuit is located outside the cooling flow channel, and the hydraulic oil circuit and the moving assembly jointly form a hydraulic cylinder structure, which drives the moving assembly to move by the hydraulic oil circuit, thereby driving the valve core to move.

[0035] Preferably, the end of the cylinder extends outward to form a warping part, which cooperates with the valve core; the size of the gap between the valve core and the warping part is controlled to adjust the flow rate of the high-temperature flowing medium, and the type of the warping part profile is changed to meet the different flow rate requirements of the adjustment assembly.

[0036] Preferably, the warping part profile is a straight profile to meet the subsonic flow requirements of the high-temperature flowing medium.

[0037] Preferably, the warping part profile is a logarithmic gradually expanding line profile to meet the sonic or transonic flow requirements of the high-temperature flowing medium.

[0038] Preferably, the displacement control accuracy of the moving assembly is less than 0.5% FS, and the response time is less than or equal to 0.1s.

[0039] Preferably, the cooling flow channel is arranged as a single helix or a double helix or a multi-helix structure, wherein the pitch of the helix structure is 10-80mm.

[0040] Preferably, the flow rate of the cooling water in the cooling flow channel is 1m / s≤Vw≤10m / s.

[0041] Preferably, the outlet pressure of the cooling water of the cooling flow channel is Pw≥0.4MPa, and the internal pressure of the cooling flow channel is higher than the outlet pressure of the cooling water.

[0042] Preferably, the outlet pressure of the cooling water of the cooling flow channel is 0.4MPa≤Pw≤1.5MPa.

[0043] Preferably, the inner wall thickness of the cylinder is 2-8mm.

[0044] Preferably, the cylinder includes an inner cylinder and an outer cylinder sleeved outside the inner cylinder; wherein,

[0045] The cooling flow channel is arranged inside the inner cylinder side wall, and the moving assembly is arranged between the outer cylinder and the inner cylinder.

[0046] Preferably, the cooling flow channel comprises a main flow channel, a first cooling flow channel and a second cooling flow channel connected in sequence; wherein,

[0047] The main flow channel is annularly arranged at one end of the inner cylinder away from the valve core and is communicated with the water inlet structure, forming a circumferentially uniform water distribution structure.

[0048] The first cooling flow channel extends along the axial direction of the inner cylinder and is connected with the second cooling flow channel.

[0049] The second cooling flow channel is connected with the water outlet structure to cool the conveying channel.

[0050] Preferably, the inner cylinder comprises a first shell, a second shell, a third shell and an annular plate located at the end of the inner cylinder, which are sequentially arranged outward; wherein,

[0051] The first shell is used to penetrate the conveying channel;

[0052] The second shell is located outside the first shell and clamps the first shell to form the first cooling flow channel;

[0053] The third shell is located outside the second shell and clamps the second shell to form the second cooling flow channel;

[0054] Preferably, the outer cylinder is provided with a cooling water inlet and outlet communicated with the cooling flow channel, wherein the water inlet is located at the bottom of the outer cylinder, and the water outlet is located at the top of the outer cylinder.

[0055] Preferably, the outer cylinder is further provided with a first hydraulic port and a second hydraulic port communicated with the hydraulic oil circuit, and the first hydraulic port and the second hydraulic port are arranged at two ends of the outer cylinder; wherein,

[0056] The first hydraulic port delivers hydraulic oil to the front end of the moving assembly;

[0057] The second hydraulic port delivers hydraulic oil to the outer side wall of the moving assembly;

[0058] The pressure difference generated at the first hydraulic port and the second hydraulic port drives the moving assembly to extend or retract, forming a double-acting hydraulic cylinder structure.

[0059] Compared with the prior art, the beneficial effects of the present application are:

[0060] 1. The temperature regulating assembly for the pipeline of the present application realizes the flow control and temperature regulation of the high-temperature flowing medium in the regulating assembly by arranging the cooling flow channel and hydraulic oil path inside the side wall of the cylinder, designs the cooling flow channel inside the side wall of the cylinder and fills the cooling water inside the cooling flow channel, arranges the cooling flow channel in the form of surrounding the conveying channel, cools the metal wall surface of the cylinder by the cooling water, makes the temperature of the metal wall surface within the temperature range that the material can withstand, and achieves good cooling effect on the high-temperature flowing medium in the conveying channel, on the one hand, solves the problem that the regulating assembly in the prior art does not have a cooling structure and high temperature occurs after long-term use, which affects normal operation, and does not need to additionally arrange the connecting cooling device, simplifies the overall structure and reduces the cost; on the other hand, the cooling flow channel can also slow down the damage and aging of the regulating assembly and prolong the service life; at the same time, the hydraulic oil path and the moving assembly of the present application jointly form the oil cylinder structure, can provide smooth thrust to the valve core, realize stepless regulation of pressure and flow, simplify the valve core control structure while improving the control accuracy, and the oil cylinder structure is integrated in the cylinder, which is compact in structure and low in manufacturing cost, safe and reliable in operation; in addition, the integrated arrangement of the cooling flow channel, the hydraulic oil path and the cylinder in the present application makes the structure integration degree of the regulating assembly higher.

[0061] 2. The present application can realize the flow control of the high-temperature flowing medium by the cooperation of the warping part of the cylinder and the valve core, optimizes the warping surface profile to ensure the stability of the high-temperature fluid flow, and can meet the conditions of subsonic, sonic and transonic high-temperature flowing medium.

[0062] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following will be described in detail with the preferred embodiments of the present application and the accompanying drawings. The specific embodiments of the present application are given in detail by the following examples and their accompanying drawings. BRIEF DESCRIPTION OF DRAWINGS

[0063] The drawings described herein are used to provide further understanding of the present application, constitute a part of the present application, the schematic embodiments of the present application and their description are used to explain the present application, and do not constitute improper limitation on the present application. In the drawings:

[0064] Figure 1 It is the sectional view of the cylinder in the regulating assembly in the present application;

[0065] Figure 2 It is the sectional view of the cylinder and the valve core assembly structure in the regulating assembly in the present application;

[0066] Figure 3 It is the assembly structure schematic diagram of the inner cylinder and the outer cylinder in the regulating assembly in the present application;

[0067] Figure 4Structure diagram of cooling flow channel and cooling water outlet in the application;

[0068] Figure 5 Structure diagram of cooling flow channel and cooling water inlet in the application;

[0069] Figure 6 Assembly relationship diagram of warping part and valve core in the application;

[0070] Figure 7 Working state diagram of moving assembly in the application;

[0071] Figure 8 Working state diagram of hydraulic oil circuit in the application;

[0072] Figure 9 Assembly relationship diagram of valve core and straight flow type surface in the application;

[0073] Figure 10 Assembly relationship diagram of valve core and logarithmic gradually expanding line type surface in the application.

[0074] In the figure: 1, adjusting assembly; 101, cylinder body; 102, conveying channel;

[0075] 10, inner cylinder; 11, first shell; 111, spiral structure; 12, second shell; 13, third shell; 14, annular plate; 15, guide plate; 151, shunt channel; 16, warping part; 161, surface;

[0076] 20, outer cylinder; 21, water inlet; 22, water outlet; 23, first hydraulic port; 24, second hydraulic port;

[0077] 30, cooling flow channel; 31, main flow channel; 32, first cooling flow channel; 33, second cooling flow channel;

[0078] 40, hydraulic oil circuit; 41, first hydraulic oil circuit; 42, second hydraulic oil circuit;

[0079] 50, moving assembly; 51, sealing ring;

[0080] 60, valve core;

[0081] V w , cooling water flow rate; P w , cooling water outlet pressure; S, pitch; d, wall thickness of the first shell; S1, distance between the valve core and the straight flow type surface; S2, distance between the valve core and the logarithmic gradually expanding line type surface. DETAILED DESCRIPTION

[0082] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0083] In the drawings, the shapes and sizes can be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components.

[0084] In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are defined with respect to the configuration shown in the drawings, and in particular, "height" corresponds to the size from top to bottom, "width" corresponds to the size from left to right, and "depth" corresponds to the size from front to back, which are relative concepts, so it is possible that they will change accordingly depending on the different positions and different use states, so these or other orientations should not be used to explain as restrictive terms.

[0085] Terms related to attachment, coupling, etc. (for example, "connected" and "attached") refer to a relationship in which structures are fixed or attached to each other directly or indirectly through intermediate structures, as well as movable or rigid attachment or relationship, unless otherwise explicitly stated.

[0086] Embodiment 1

[0087] The embodiments of the present application provide a temperature regulating assembly for a pipeline, which combines Figures 1-8 as shown, comprising:

[0088] A cylinder body 101 is connected to the pipeline at one end and is used to install a valve core 60, and a conveying passage 102 is formed through the cylinder body 101 in the axial direction to convey high-temperature flowing medium;

[0089] A hydraulic oil circuit 40 is connected to the cylinder body 101 for hydraulic oil regulation and control;

[0090] A moving assembly 50 is installed inside the side wall of the cylinder body 101 and acts on the valve core 60, and the moving assembly 50 is connected to the hydraulic oil circuit 40;

[0091] The side wall of the cylinder body 101 is formed with a cooling flow channel 30, which is arranged around the conveying passage 102; the hydraulic oil circuit 40 is located outside the cooling flow channel 30, and the hydraulic oil circuit 40 and the moving assembly 50 together form a hydraulic cylinder structure, which is driven by the hydraulic oil circuit 40 to move the moving assembly 50, thereby providing power in the axial direction of the cylinder body 101.

[0092] The hydraulic oil enters the hydraulic oil path 40 to drive the moving assembly 50 to drive the valve core 60 to control the conveying flow of the high-temperature flow medium in the conveying channel 102; and the cooling water in the cooling flow channel 30 cools the high-temperature flow medium in the conveying channel 102 to realize temperature regulation.

[0093] The present application simultaneously realizes flow control and temperature regulation of the high-temperature flow medium in the regulating assembly 1 by arranging the cooling flow channel 30 and the hydraulic oil path 40 inside the side wall of the cylinder body 101; the cooling flow channel 30 is arranged in a manner of surrounding the conveying channel 102 by arranging the cooling flow channel 30 inside the side wall of the cylinder body 101 and filling the cooling water inside the cooling flow channel 30, the metal wall surface of the cylinder body 101 is cooled by the cooling water, so that the temperature of the metal wall surface is within the temperature range that the material can withstand, and good cooling effect can be achieved on the high-temperature flow medium in the conveying channel 102, on the one hand, the problem that the regulating assembly 1 does not have a cooling structure in the prior art and high temperature occurs after long-term use, affecting normal operation is solved, and additional connection of a cooling device is not required, the overall structure is simplified, and the cost is reduced; on the other hand, the cooling flow channel 30 can also slow down the damage and aging of the regulating assembly 1 and prolong the service life; at the same time, the hydraulic oil path 40 and the moving assembly 50 together form a cylinder structure, which can provide a smooth thrust to the valve core 60, realize stepless regulation of pressure and flow, simplify the control structure of the valve core 60 while improving the control accuracy, and the cylinder structure is integrated in the cylinder body 101, which is compact in structure, low in manufacturing cost and safe and reliable in operation; in addition, the integrated arrangement of the cooling flow channel 30, the hydraulic oil path 40 and the cylinder body 101 makes the structure integration degree of the regulating assembly 1 higher.

[0094] Further, the cylinder body 101 comprises an inner cylinder 10 and an outer cylinder 20 sleeved outside the inner cylinder 10; wherein,

[0095] The cooling flow channel 30 is arranged inside the side wall of the inner cylinder 10, and the moving assembly 50 is arranged between the outer cylinder 20 and the inner cylinder 10. That is, compared with the hydraulic oil path 40 and the moving assembly 50, the cooling flow channel 30 is closer to the conveying channel 102, and the cooling effect on the conveying channel 102 is enhanced; and by arranging the cooling flow channel 30 and the hydraulic oil path 40 in the inner cylinder 10 and the outer cylinder 20 respectively, the cooling water and the hydraulic oil are isolated from each other, so that the change of the oil temperature of the hydraulic oil does not affect the cooling water and thus does not reduce the cooling effect.

[0096] In an embodiment, as shown in Figures 1-2 , Figures 4-6 , the cooling flow channel 30 comprises a main flow channel 31, a first cooling flow channel 32 and a second cooling flow channel 33 which are sequentially communicated; wherein,

[0097] The main flow channel 31 is annularly arranged at one end of the inner cylinder 10 away from the valve core 60 and is in communication with the water inlet structure, forming a circumferentially uniform water distribution structure; that is, by adopting the circumferentially uniform water distribution structure, the uniformity of the circumferential temperature distribution of the cylinder body 101 is ensured.

[0098] The first cooling flow channel 32 extends along the inner cylinder 10 in the axial direction and is connected with the second cooling flow channel 33.

[0099] The first cooling flow channel 32 is located inside the second cooling flow channel 33, and the second cooling flow channel 33 is in communication with the water outlet structure.

[0100] After the cooling water enters the main flow channel 31, it flows to the first cooling flow channel 32. The first cooling flow channel 32 delivers the cooling water to the other end of the inner cylinder 10 and into the second cooling flow channel 33. The cooling water is then output from the inner cylinder 10 through the second cooling flow channel 33 to cool the delivery channel 102.

[0101] Specifically, the main flow channel 31 is located at the front end of the inner cylinder 10 to cool the inlet end of the delivery channel 102. The first cooling flow channel 32 extends from the main flow channel 31 to the end of the inner cylinder 10 and is arranged around the delivery channel 102. The second cooling flow channel 33 is in communication with the first cooling flow channel 32 at the end of the inner cylinder 10 and extends to the front end of the inner cylinder 10. The second cooling flow channel 33 is connected to the cooling water outlet 22 near the front end of the inner cylinder 10. It can be understood that the second cooling flow channel 33 is located between the first cooling flow channel 32 and the hydraulic oil circuit 40. The second cooling flow channel 33 is used to output cooling water while separating the first cooling flow channel 32 from the hydraulic oil circuit 40, so as to avoid the influence of the oil temperature of the hydraulic oil circuit 40 on the temperature of the cooling water in the first cooling flow channel 32, thereby ensuring that the first cooling flow channel 32 can effectively control the temperature of the delivery channel 102. Among them, Figure 4 The arrows indicate the flow direction of the cooling water.

[0102] Further, the inner cylinder 10 comprises a first shell 11, a second shell 12, a third shell 13 and an annular plate 14 arranged outside the inner cylinder 10 in sequence; wherein,

[0103] The first shell 11 is used to penetrate the delivery channel 102;

[0104] The second shell 12 is located outside the first shell 11 and clamps the first shell 11 to form the first cooling flow channel 32;

[0105] The third shell 13 is located outside the second shell 12 and clamps the second shell 12 to form the second cooling flow channel 33;

[0106] The annular plate 14 clamps the third shell 13 to form the main flow channel 31.

[0107] Specifically, the first shell 11, the second shell 12 and the third shell 13 are all in a cylindrical structure, the annular plate 14 is located at the same radial position of the second shell 12 of the inner cylinder 10 and is installed between the first shell 11 and the third shell 13, that is, the annular plate 14 and the second shell 12 are clamped with the first shell 11 to form the first cooling flow channel 32, and the front end portion of the third shell 13 is clamped with the annular plate 14 to form the main flow channel 31, wherein a through hole is formed in the annular plate 14 to communicate the main flow channel 31 and the first cooling flow channel 32, and the cooling water in the main flow channel 31 flows to the first cooling flow channel 32 through the flow guide hole; further, the inner cylinder 10 further comprises a flow guide plate 15 in a ring shape, the flow guide plate 15 is located at the end of the inner cylinder 10 and is fixedly connected with the second shell 12 and the third shell 13 respectively, wherein a plurality of shunt passages 151 are formed in the flow guide plate 15 along the axial direction, one end of the shunt passage 151 communicates with the first cooling flow channel 32, and the other end communicates with the second cooling flow channel 33, when the cooling water in the first cooling flow channel 32 reaches the end of the inner cylinder 10 along the axial direction, the cooling water enters the shunt passage 151 of the flow guide plate 15, and then is transported to the second cooling flow channel 33 through the shunt passage 151. In the embodiment, the main flow channel 31, the first cooling flow channel 32 and the second cooling flow channel 33 are integrally formed in the inner cylinder 10, without the need of additional pipeline structure, which reduces the structural complexity, reduces the cost, and has higher integration of the overall structure.

[0108] In an embodiment, the wall thickness of the first cooling flow channel 32 is 2-8mm, that is, as shown in Figure 4 , the wall thickness d of the first shell 11 is 2-8mm, which can ensure the structural strength while achieving good cooling effect on the conveying passage 102.

[0109] In an embodiment, as shown in Figure 2 , Figures 4-5 , the outer cylinder 20 is provided with a cooling water inlet 21 and an outlet 22 which communicate with the cooling flow channel 30, wherein the inlet 21 is located at the bottom of the outer cylinder 20, and the outlet 22 is located at the top of the outer cylinder 20, so that the cooling water entering through the inlet 21 can gradually fill the cooling flow channel 30, and the cooling water in the entire cooling flow channel 30 can be discharged out of the cylinder 101 only after the cooling flow channel 30 is filled with cooling water, so as to ensure that the entire conveying passage 102 can be fully heat exchanged with the cooling water, thereby enhancing the temperature control effect. Preferably, an inner lining pipe is arranged in the inlet 21 and the outlet 22 to facilitate connection with the water inlet pipeline and the water outlet pipeline.

[0110] In an embodiment, as shown in Figure 1 , Figures 7-8As shown, the barrel body 101 further comprises a moving assembly 50 slidably arranged in the hydraulic oil path 40, and the moving assembly 50 is connected with the valve core 60 at the end; the hydraulic oil entering the hydraulic oil path 40 provides driving force for the moving assembly 50 to drive the valve core 60 to move.

[0111] Further, the outer barrel 20 is further provided with a first hydraulic port 23 and a second hydraulic port 24 in communication with the hydraulic oil path 40, and the first hydraulic port 23 and the second hydraulic port 24 are arranged at two ends of the outer barrel 20; wherein,

[0112] The first hydraulic port 23 delivers hydraulic oil to the front end of the moving assembly 50;

[0113] The second hydraulic port 24 delivers hydraulic oil to the outer side wall of the moving assembly 50;

[0114] The pressure difference generated at the first hydraulic port 23 and the second hydraulic port 24 drives the moving assembly 50 to extend or retract, thereby driving the valve core 60 to move.

[0115] Specifically, after the moving assembly 50 is installed in the hydraulic oil path 40, the hydraulic oil path 40 is divided to form a first hydraulic oil path 41 and a second hydraulic oil path 42, wherein the first hydraulic oil path 41 is in communication with the first hydraulic port 23, and the second hydraulic oil path 42 is in communication with the second hydraulic port 24; when the first hydraulic oil path 41 is filled with oil and the second hydraulic oil path 42 is drained, the moving assembly 50 is driven to push the valve core 60 to move outward, and when the first hydraulic oil path 41 is drained and the second hydraulic oil path 42 is filled with oil, the moving assembly 50 is driven to reset to drive the valve core 60 to reset. This setting can provide a smooth thrust force to the valve core 60, realize stepless adjustment of pressure and flow, simplify the control structure of the valve core 60, and improve the control accuracy.

[0116] Further, the moving assembly 50 is located between the inner barrel 10 and the outer barrel 20, specifically, located outside the third shell 13 and inside the outer barrel 20.

[0117] Further, sealing structures are arranged between the moving assembly 50 and the third shell 13 and at the mounting surface of the moving assembly 50 and the outer barrel 20, and preferably, the sealing structures are arranged as a plurality of sealing rings 51; on the one hand, to avoid leakage of hydraulic oil to the outside of the barrel body 101, and on the other hand, to ensure the sealing of the first hydraulic oil path 41 and the second hydraulic oil path 42 to enable the pressure difference to be generated at the first hydraulic port 23 and the second hydraulic port 24, thereby enabling the moving assembly 50 to generate a smooth driving force.

[0118] Embodiment 2

[0119] The embodiment of the present application also provides a temperature adjusting assembly for a pipeline, which is combined with Figures 1-10 As shown, comprising:

[0120] Valve core 60;

[0121] Cylinder body 101, one end is connected with pipeline, the other end is used to install valve core 60, and cylinder body 101 is axially through with conveying channel 102, to convey high temperature flowing medium;

[0122] Hydraulic oil circuit 40, it is connected with cylinder body 101, is used for hydraulic oil regulation and control;

[0123] Moving assembly 50, it is installed in the inside of the side wall of cylinder body 101 and acts on valve core 60, and moving assembly 50 is connected with hydraulic oil circuit 40;

[0124] Cylinder body 101 side wall inside is formed with cooling flow channel 30, cooling flow channel 30 is arranged in the mode of surrounding conveying channel 102;Hydraulic oil circuit 40 is located outside cooling flow channel 30, and hydraulic oil circuit 40 and moving assembly 50 jointly form oil cylinder structure, moving assembly 50 is driven to move by hydraulic oil circuit 40, thereby moving valve core 60.

[0125] Further, the end of the cylinder body 101 extends outward to form a warping portion 16, which cooperates with the valve core 60. By controlling the gap size between the valve core 60 and the warping portion 16, the flow rate of the high-temperature flowing medium passing through can be adjusted. By changing the type of the warping portion 16, different flow rate requirements of the regulating assembly 1 can be met.

[0126] The present application simultaneously realizes the flow control and temperature regulation of the high-temperature flowing medium in the regulating assembly 1 by arranging the cooling flow channel 30 and the hydraulic oil circuit 40 inside the side wall of the cylinder body 101. By arranging the cooling flow channel 30 inside the side wall of the cylinder body 101 and filling it with cooling water, the cooling flow channel 30 is arranged in a manner surrounding the conveying channel 102. The metal wall surface of the cylinder body 101 is cooled by the cooling water, so that the temperature of the metal wall surface is within the temperature range that the material can withstand, and good cooling effect can be achieved on the high-temperature flowing medium in the conveying channel 102. On the one hand, the problem that the regulating assembly 1 does not have a cooling structure in the prior art and high temperature occurs after long-term use, affecting normal operation, is solved, and additional connection of a cooling device is not needed, simplifying the overall structure and reducing cost. On the other hand, the cooling flow channel 30 can also slow down the damage and aging of the regulating assembly 1, prolonging the service life. At the same time, the hydraulic oil circuit 40 and the moving assembly 50 jointly form an oil cylinder structure, which can provide a smooth thrust to the valve core 60, realize stepless regulation of pressure and flow, simplify the control structure of the valve core 60 while improving control accuracy, and the oil cylinder structure is integrated in the cylinder body 101, which is compact in structure and low in manufacturing cost, safe and reliable in operation. In addition, the integration of the cooling flow channel 30, the hydraulic oil circuit 40 and the cylinder body 101 makes the structure of the regulating assembly 1 more integrated.

[0127] The application can realize the flow control of high-temperature flow medium through the cooperation of the warping part 16 of the barrel 101 and the valve core 60, and the stability of the high-temperature fluid flow can be ensured by optimizing the profile 161 of the warping part 16 to meet the conditions of subsonic, sonic and transonic high-temperature flow medium.

[0128] In an embodiment, as shown in Figure 9 , the profile 161 of the warping part 16 is a straight profile to meet the subsonic flow requirement of the high-temperature flow medium. The expansion trend of the profile 161 is a linear function satisfying the equation y=kx; that is, it can be understood that when the valve core 60 moves along the axis of the barrel 101, the distance S1 between the valve core 60 and the straight profile 161 increases or decreases in a trend satisfying the above linear function.

[0129] In an embodiment, as shown in Figure 10 , the profile 161 of the warping part 16 is a logarithmic gradually expanding line profile to meet the sonic and transonic flow requirements of the high-temperature flow medium. The expansion trend of the profile 161 is a logarithmic function satisfying the equation y=loga x (a>1); that is, it can be understood that when the valve core 60 moves along the axis of the barrel 101, the distance S2 between the valve core 60 and the logarithmic gradually expanding line profile 161 increases or decreases in a trend satisfying the above logarithmic function.

[0130] It should be understood that S1 and S2 are parameters introduced for the convenience of describing the distance between the valve core 60 and the profile 161 of the warping part 16, and their numerical values and numerical ranges change with the movement of the valve core 60 along the axis of the barrel 101, and are not specifically limited, nor should their meanings or concepts be misunderstood or cause the technical solution to be unclear.

[0131] In an embodiment, the displacement control accuracy of the moving assembly 50 is less than 0.5% FS (range error), and the response time is less than or equal to 0.1s. Specifically, the control accuracy of the valve core 60 is composed of the accuracy of the valve transmission part and the accuracy of the electro-hydraulic servo system control system; by controlling the coaxiality of the inner barrel 10, the moving assembly 50 and the outer barrel 20 ≤0.1um, and the surface roughness ≤Ra0.4, the valve transmission accuracy is guaranteed; the electro-hydraulic servo system accuracy is controlled by PLC and linear displacement sensor, and the PLC acquisition accuracy is 12 bits, and the linear displacement sensor accuracy is ±0.01%.

[0132] In an embodiment, the cooling flow channel 30 is provided as a single helix or a double helix or a multi-helix structure, wherein the pitch S of the helix structure 111 is 10-80mm. Figure 4 and Figure 5As shown, the first cooling flow channel 32 adopts the spiral structure 111, and it should be understood that the main flow channel 31 and the second cooling flow channel 33 can also adopt the spiral structure 111. By adopting single spiral, double spiral and multi-spiral, the residence time of the cooling water in the cooling flow channel 30 is increased, and the cooling effect is improved.

[0133] Specifically, the spiral structure 111 is arranged between the first shell 11 and the second shell 12, and is wound and fixed on the outer side wall of the first shell 11. The spiral structure 111 can guide the flow of cooling water in the first cooling flow channel 32 and provide support for the first cooling flow channel 32 between the first shell 11 and the second shell 12, thereby improving the reliability of the overall structure.

[0134] In an embodiment, the flow rate of the cooling water in the cooling flow channel 30 is 1 m / s≤Vw≤10 m / s. Specifically, the adjusting mechanism for controlling the flow rate of the cooling water can be configured to adjust the flow rate of the cooling water, so as to control the temperature of the metal wall surface of the barrel body 101 within the temperature range that the material can withstand.

[0135] For example, when the temperature of the cooling water in the cooling flow channel 30 increases, the adjusting mechanism controls the cooling water flow rate to increase, the cooling water with too high temperature is accelerated to discharge from the cooling flow channel 30, and the new cooling water enters the cooling flow channel 30 to cool the barrel body 101, so as to avoid the metal wall surface of the barrel body 101 from being too high in temperature, and the increased flow rate further improves the heat dissipation efficiency; when the temperature of the cooling water in the cooling flow channel 30 decreases, the adjusting mechanism controls the cooling water flow rate to decrease, so as to ensure that the metal wall surface of the barrel body 101 is within the normal temperature range, thereby prolonging the service life of the adjusting assembly 1.

[0136] In an embodiment, the outlet pressure Pw of the cooling water of the cooling flow channel 30 is≥0.4 MPa, and the internal pressure of the cooling flow channel 30 is higher than the outlet pressure of the cooling water.

[0137] Further, the outlet pressure Pw of the cooling water of the cooling flow channel 30 is 0.4 MPa≤Pw≤1.5 MPa.

[0138] This setting makes the temperature of the cooling water less than the saturation vapor temperature, and the cooling water does not vaporize, thereby ensuring the cooling effect.

[0139] In an embodiment, the wall thickness of the inner wall of the barrel body 101 is 2-8 mm, that is, as shown in the figure, the wall thickness d of the first shell 11 is 2-8 mm, which can ensure the structural strength and achieve good cooling effect on the conveying channel 102. Figure 4

[0140] Further, the barrel body 101 comprises an inner barrel 10 and an outer barrel 20 sleeved outside the inner barrel 10; wherein, ​

[0141] The cooling channel 30 is located inside the side wall of the inner cylinder 10, and the moving component 50 is located between the outer cylinder 20 and the inner cylinder 10. That is, compared with the hydraulic oil circuit 40 and the moving component 50, the cooling channel 30 is closer to the conveying channel 102, thereby enhancing the cooling effect on the conveying channel 102. Furthermore, by separating the cooling channel 30 and the hydraulic oil circuit 40 in the inner cylinder 10 and the outer cylinder 20 respectively, the cooling water and the hydraulic oil are isolated from each other, preventing changes in the hydraulic oil temperature from affecting the cooling water and thus reducing the cooling effect.

[0142] In one embodiment, combined with Figures 1-2 , Figures 4-6 As shown, the cooling channel 30 includes a main channel 31, a first cooling channel 32, and a second cooling channel 33 connected in sequence; wherein,

[0143] The main channel 31 is arranged in a ring at the end of the inner cylinder 10 away from the valve core 60 and is connected to the water inlet structure to form a circumferentially uniform water distribution structure; that is, by adopting a circumferentially uniform water distribution structure, the uniformity of the circumferential temperature distribution of the cylinder 101 is ensured.

[0144] The first cooling channel 32 extends axially along the inner cylinder 10 and is connected to the second cooling channel 33;

[0145] Furthermore, the first cooling channel 32 is located inside the second cooling channel 33, and the second cooling channel 33 is connected to the water outlet structure;

[0146] After entering the main channel 31, the cooling water flows to the first cooling channel 32. The first cooling channel 32 transports the cooling water to the other end of the inner cylinder 10 and then into the second cooling channel 33. The cooling water is then output from the inner cylinder 10 through the second cooling channel 33 to cool the conveying channel 102.

[0147] Specifically, the main cooling channel 31 is located at the front end of the inner cylinder 10 to cool the inlet end of the conveying channel 102. The first cooling channel 32 extends from the main cooling channel 31 to the end of the inner cylinder 10 and surrounds the conveying channel 102. The second cooling channel 33 connects to the first cooling channel 32 at the end of the inner cylinder 10 and extends to the front end of the inner cylinder 10. The second cooling channel 33 connects to the cooling water outlet 22 near the front end of the inner cylinder 10. It can be understood that the second cooling channel 33 is located between the first cooling channel 32 and the hydraulic oil circuit 40. The second cooling channel 33 outputs cooling water while separating the first cooling channel 32 from the hydraulic oil circuit 40 to prevent the oil temperature of the hydraulic oil circuit 40 from affecting the temperature of the cooling water in the first cooling channel 32, thus ensuring that the first cooling channel 32 can effectively control the temperature of the conveying channel 102. Figure 4 The middle arrow indicates the direction of cooling water flow.

[0148] Further, the inner cylinder 10 comprises a first shell 11, a second shell 12, a third shell 13 and an annular plate 14 located at the end of the inner cylinder 10, which are sequentially sleeved outwardly; wherein,

[0149] The first shell 11 is used to pass through the conveying channel 102;

[0150] The second shell 12 is located outside the first shell 11 and clamped with the first shell 11 to form the first cooling flow channel 32;

[0151] The third shell 13 is located outside the second shell 12 and clamped with the second shell 12 to form the second cooling flow channel 33;

[0152] The annular plate 14 is clamped with the third shell 13 to form the main flow channel 31.

[0153] Specifically, the first shell 11, the second shell 12 and the third shell 13 are all in the form of a cylinder, the annular plate 14 and the second shell 12 are located at the same radial position of the inner cylinder 10, and the annular plate 14 is installed between the first shell 11 and the third shell 13, that is, the annular plate 14 and the second shell 12 are combined to clamp the first shell 11 to form the first cooling flow channel 32, and the front end of the third shell 13 is clamped with the annular plate 14 to form the main flow channel 31, wherein a through hole is formed in the annular plate 14 to guide the main flow channel 31 and the first cooling flow channel 32, and the cooling water enters the main flow channel 31 and then flows to the first cooling flow channel 32 through the flow guide hole; further, the inner cylinder 10 further comprises a ring-shaped flow guide plate 15, which is located at the end of the inner cylinder 10 and is fixedly connected with the second shell 12 and the third shell 13, wherein a plurality of shunt channels 151 are formed in the flow guide plate 15 along the axial direction, one end of the shunt channel 151 is communicated with the first cooling flow channel 32, and the other end is communicated with the second cooling flow channel 33, when the cooling water in the first cooling flow channel 32 reaches the end of the inner cylinder 10 along the axial direction, the cooling water enters the shunt channel 151 of the flow guide plate 15, and then is conveyed to the second cooling flow channel 33 through the shunt channel 151. In this embodiment, the main flow channel 31, the first cooling flow channel 32 and the second cooling flow channel 33 are integrally formed in the inner cylinder 10, without the need for additional pipeline structure, which reduces the structural complexity and cost, and the integration of the overall structure is higher.

[0154] In an embodiment, in combination with Figure 2 , Figures 4-5As shown, the outer cylinder 20 is provided with a cooling water inlet 21 and an outlet 22 that communicate with the cooling channel 30. The inlet 21 is located at the bottom of the outer cylinder 20, and the outlet 22 is located at the top of the outer cylinder 20. This allows the cooling water entering through the inlet 21 to gradually fill the cooling channel 30. Only after the entire cooling channel 30 is filled with cooling water can the cooling water inside be discharged from the outlet 22 outside the cylinder 101. This ensures that the entire conveying channel 102 can have sufficient heat exchange with the cooling water, thereby enhancing the temperature control effect. Preferably, both the inlet 21 and the outlet 22 are provided with inner lining pipes to facilitate connection with the inlet and outlet water pipes.

[0155] In one embodiment, combined with Figure 1 , Figures 7-8 As shown, the cylinder 101 also includes a movable component 50 that is slidably disposed in the hydraulic oil circuit 40, and the end of the movable component 50 is connected to the valve core 60; hydraulic oil enters the hydraulic oil circuit 40 to provide driving force for the movable component 50 to drive the valve core 60 to move.

[0156] Furthermore, the outer cylinder 20 is also provided with a first hydraulic port 23 and a second hydraulic port 24 connected to the hydraulic oil circuit 40, and the first hydraulic port 23 and the second hydraulic port 24 are respectively located at both ends of the outer cylinder 20; wherein,

[0157] The first hydraulic port 23 supplies hydraulic oil to the front end of the moving component 50;

[0158] The second hydraulic port 24 supplies hydraulic oil to the outer wall of the moving component 50;

[0159] The pressure difference generated at the first hydraulic port 23 and the second hydraulic port 24 drives the moving component 50 to extend or retract, thereby driving the valve core 60 to move.

[0160] Specifically, after the movable component 50 is installed within the hydraulic circuit 40, it divides the hydraulic circuit 40 into a first hydraulic circuit 41 and a second hydraulic circuit 42. The first hydraulic circuit 41 is connected to the first hydraulic port 23, and the second hydraulic circuit 42 is connected to the second hydraulic port 24. When oil enters the first hydraulic circuit 41 and returns to the second hydraulic circuit 42, the movable component 50 pushes the valve core 60 outward. When oil returns to the first hydraulic circuit 41 and enters the second hydraulic circuit 42, the movable component 50 is driven to reset, thereby resetting the valve core 60. This configuration provides a stable thrust to the valve core 60, enabling stepless adjustment of pressure and flow, simplifying the valve core 60 control structure while improving control accuracy.

[0161] Furthermore, the movable component 50 is located between the inner cylinder 10 and the outer cylinder 20, specifically, on the outside of the third housing 13 and on the inside of the outer cylinder 20.

[0162] Further, sealing structures are arranged between the moving assembly 50 and the third housing 13 and between the moving assembly 50 and the outer cylinder 20 mounting surface, preferably, the sealing structures are arranged as a plurality of sealing rings 51; on one hand, the sealing structures can prevent the hydraulic oil from leaking to the outside of the cylinder body 101, on the other hand, the sealing structures can ensure the sealing of the first hydraulic oil path 41 and the second hydraulic oil path 42, so that the pressure difference at the first hydraulic port 23 and the second hydraulic port 24 can be generated, thereby the moving assembly 50 can generate a smooth pushing force.

[0163] The first cooling flow channel 32 extends into the warping portion 16 to cool the warping portion 16, so that the structure between the valve core 60 and the warping portion 16 is not damaged or aged due to long-term high temperature, the service life is effectively prolonged, and the precision of flow control is improved.

[0164] In an embodiment, the adjusting assembly 1 further comprises a cooling water path system, including a water inlet path and a water outlet path, the water inlet path is connected with the water inlet 21, and the water outlet path is connected with the water outlet 22, so that the cooling water can be input and output to realize temperature control, prolong the service life of the adjusting assembly, and improve the efficiency of subsequent processing.

[0165] Although the embodiments of the present application have been disclosed as above, it is not limited to the application listed in the specification and the embodiments, it can be fully applied to various fields suitable for the present application, and other modifications can be easily realized by those skilled in the art, therefore, the present application is not limited to specific details and the figures shown and described herein, without departing from the general concept defined by the claims and the equivalent scope.

Claims

1. A temperature regulating assembly for pipelines, characterized in that, include: Valve core; The cylinder has one end connected to a pipeline and the other end used to install a valve core. The cylinder also has a conveying channel running through it along the axial direction to convey a high-temperature flowing medium. A hydraulic oil circuit, which is connected to the cylinder, is used for hydraulic oil regulation and control; A movable component is installed inside the side wall of the cylinder and acts on the valve core, and the movable component is connected to the hydraulic circuit; The cylinder has a cooling channel inside its sidewall, which surrounds the conveying channel. The hydraulic circuit is located outside the cooling channel and together with the moving component forms a cylinder structure. The hydraulic circuit drives the moving component to move, thereby providing power along the cylinder axis and moving the valve core. The end of the cylinder extends outward to form a warped portion, which cooperates with the valve core. The flow rate of the high-temperature flowing medium is adjusted by controlling the size of the gap between the valve core and the warped portion, and the different flow rate requirements of the regulating component are met by changing the shape of the warped portion.

2. The temperature regulating assembly for pipelines as described in claim 1, characterized in that: The cylindrical body includes an inner cylinder and an outer cylinder sleeved on the outside of the inner cylinder; wherein... The cooling channel is disposed inside the inner cylinder sidewall, and the moving component is disposed between the outer cylinder and the inner cylinder.

3. The temperature regulating assembly for pipelines as described in claim 2, characterized in that: The cooling channel includes a main channel, a first cooling channel, and a second cooling channel connected in sequence; wherein, The main channel is arranged in a ring at the end of the inner cylinder away from the valve core and is connected to the water inlet structure to form a circumferentially uniform water distribution structure. The first cooling channel extends axially along the inner cylinder and is connected to the second cooling channel; The second cooling channel is connected to the water outlet structure to cool the conveying channel.

4. The temperature regulating assembly for pipelines as described in claim 3, characterized in that: The inner cylinder includes a first shell, a second shell, a third shell, and an annular plate located at the end of the inner cylinder, which are sequentially arranged outwards; wherein, The first housing is used to penetrate the conveying channel; The second housing is located outside the first housing and is clamped to the first housing to form the first cooling channel; The third housing is located outside the second housing and is clamped to the second housing to form the second cooling channel; The annular plate and the third housing clamp together to form the main channel.

5. The temperature regulating assembly for a pipeline as described in any one of claims 3-4, characterized in that: The wall thickness of the first cooling channel is 2-8 mm.

6. The temperature regulating assembly for a pipeline as described in claim 2, characterized in that: The outer cylinder is provided with a cooling water inlet and an outlet that communicate with the cooling channel, wherein the inlet is located at the bottom of the outer cylinder and the outlet is located at the top of the outer cylinder.

7. The temperature regulating assembly for pipelines as described in claim 2, characterized in that: The outer cylinder is further provided with a first hydraulic port and a second hydraulic port that are connected to the hydraulic oil circuit, and the first hydraulic port and the second hydraulic port are respectively located at both ends of the outer cylinder; wherein, The first hydraulic port supplies hydraulic oil to the front end of the moving component; The second hydraulic port supplies hydraulic oil to the outer wall of the moving component; The moving component is extended or retracted by the pressure difference generated at the first hydraulic port and the second hydraulic port, forming a double-acting hydraulic cylinder structure.

8. The temperature regulating assembly for a pipeline as described in claim 1, characterized in that: The warped section has a DC profile to meet the subsonic flow requirements of high-temperature fluids.

9. The temperature regulating assembly for a pipeline as described in claim 1, characterized in that: The warped section has a logarithmically expanding profile to meet the requirements of sonic or transonic flow of high-temperature fluids.

10. The temperature regulating assembly for a pipeline as claimed in claim 1, characterized in that: The displacement control accuracy of the moving component is less than 0.5%FS, and the response time is less than or equal to 0.1s.

11. The temperature regulating assembly for a pipeline as claimed in claim 1, characterized in that: The cooling channel is configured as a single spiral, double spiral, or multi-spiral structure, wherein the pitch of the spiral structure is 10-80mm.

12. The temperature regulating assembly for a pipeline as claimed in claim 1, characterized in that: The flow velocity of the cooling water in the cooling channel is 1 m / s ≤ V w ≤10 m / s.

13. The temperature regulating assembly for a pipeline as claimed in claim 1, characterized in that: The cooling water outlet pressure P of the cooling channel w ≥0.4 MPa, and the internal pressure of the cooling channel is higher than the cooling water outlet pressure.

14. The temperature regulating assembly for a pipeline as described in claim 13, characterized in that: The cooling water outlet pressure of the cooling channel is 0.4 MPa ≤ P w ≤1.5 MPa.

15. The temperature regulating assembly for a pipeline as claimed in claim 1, characterized in that: The inner wall thickness of the cylinder is 2-8 mm.

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