High-temperature-resistant and corrosion-resistant rotary regulating valve
By introducing drive and transmission components into the control valve for fine-tuning, combined with the design of heat sinks and protective layers, the corrosion problem of valve seat and valve core in high-temperature corrosive media is solved, achieving accurate flow regulation and valve body safety.
Patent Information
- Application Number
- CN202520377024.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-05
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-03-05
AI Technical Summary
When traditional control valves are used in pipelines carrying high-temperature and corrosive media, the valve seat and valve core will be corroded, leading to increased clearance and affecting the accuracy of flow regulation. At the same time, the strength of the valve body material will decrease, making it prone to bulging or cracking, which poses a safety hazard.
A high-temperature and corrosion-resistant rotary control valve was designed. It uses a drive assembly and a transmission assembly to fine-tune the gap between the valve core and the valve seat. It is equipped with heat sinks and heat dissipation holes to improve heat dissipation. A protective layer is set at the valve core and the valve seat to enhance corrosion resistance.
It achieves accurate and safe flow regulation in high-temperature corrosive media environments, avoids the risk of valve body bulging or cracking due to excessive temperature, and ensures the reliability and safety of the valve.
Smart Images
Figure CN223609319U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to valve technical field, specifically, a kind of high-temperature-resistant corrosion-resistant rotary regulating valve. BACKGROUND
[0002] Rotary regulating valve is a kind of valve by rotating valve core to regulate fluid flow, mainly used to adjust the flow, pressure and liquid level of medium, and its valve core rotates in valve body, and the passage section area between valve core and valve seat is changed to control flow size.
[0003] Currently, when traditional regulating valve is used in high-temperature and corrosive medium pipeline, its valve seat and valve core will be continuously corroded, which increases the gap between valve core and valve seat, affects the accuracy of flow regulation, and when the temperature is too high, the strength of metal material of valve body will decrease significantly, and once the material strength decreases, the valve body is prone to bulge or even rupture, causing medium leakage or explosion and other safety accidents. Therefore, the utility model provides a new solution. UTILITY MODEL CONTENT
[0004] The utility model aims at solving the problem that when traditional regulating valve is used in high-temperature and corrosive medium pipeline, its valve seat and valve core will be continuously corroded, which increases the gap between valve core and valve seat, affects the accuracy of flow regulation, and when the temperature is too high, the strength of metal material of valve body will decrease significantly, and once the material strength decreases, the valve body is prone to bulge or even rupture, and provides a high-temperature-resistant corrosion-resistant rotary regulating valve.
[0005] In order to achieve the above purpose, the utility model provides the following technical scheme:
[0006] High-temperature-resistant corrosion-resistant rotary regulating valve is used to improve the above problems.
[0007] The utility model is specifically as follows:
[0008] It comprises valve body, valve cover and valve rod, the inside of valve body is equipped with valve seat, the bottom of valve rod is connected with valve core matched with valve seat, the top of valve cover is equipped with fine adjustment mechanism matched with valve rod, the outer side of mounting assembly is equipped with driving assembly, the outer wall of mounting assembly is installed with limit component matched with driving assembly, the output end of driving assembly is connected with valve rod through transmission assembly in the inside of mounting assembly, the outer wall of valve body is connected with multiple evenly distributed radiating fins, multiple radiating fins are parallel to each other, multiple radiating holes are formed in radiating fins.
[0009] As a preferred technical scheme of the utility model, the valve rod penetrates the valve cover and is screwed with the valve cover, and the top end of the valve rod is connected with a first rotating disc above the valve cover.
[0010] As a preferred technical scheme of the utility model, a first protective layer is installed on the outside of the valve core, and a second protective layer is installed on the inside of the valve seat.
[0011] As a preferred technical scheme of the utility model, the mounting assembly comprises a support mounted on the top of the valve cover, a shell is mounted on the outside of the valve rod at the top of the support, the transmission assembly comprises a first bevel gear and a second bevel gear on the inside of the shell, the drive assembly comprises a second rotating disc on the outside of the shell and a connecting rod connected to the second rotating disc, the first bevel gear is rotationally connected to the top of the inner wall of the shell through a connecting piece and is screwed on the outside of the valve rod, and the second bevel gear is connected to the end of the connecting rod.
[0012] As a preferred technical scheme of the utility model, a sleeve is rotationally connected to the outside of the connecting rod, the sleeve penetrates the shell and is fixedly connected with the shell.
[0013] As a preferred technical scheme of the utility model, the limiting assembly comprises a limiting disc on one side of the shell and a limiting screw screwed on the second rotating disc, the limiting disc is installed on the outside of the sleeve, and a plurality of limiting holes matched with the limiting screw are formed in the limiting disc.
[0014] Compared with the prior art, the utility model has the advantages of:
[0015] In the scheme of the utility model,
[0016] 1. The high-temperature-resistant and corrosion-resistant rotary regulating valve is capable of rotating the drive assembly to drive the valve rod to ascend or descend through the transmission assembly during use, realizes fine adjustment of the gap between the valve core and the valve seat, guarantees the accuracy of flow regulation, so that the regulating valve can accurately control the size of flow.
[0017] 2. The high-temperature-resistant and corrosion-resistant rotary regulating valve is capable of improving the heat dissipation effect of the valve body through the heat dissipation fins during use, so that the valve body can be suitable for use in high-temperature medium, and the parallel heat dissipation fins can facilitate air circulation, and the plurality of heat dissipation holes on the heat dissipation fins can effectively increase the heat dissipation area of the heat dissipation fins, so as to accelerate the heat dissipation of the valve body and avoid the problems of bulging and even rupture of the valve body due to excessively high temperature. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1The utility model provides a high temperature resistant corrosion resistant rotary type regulating valve's overall structure schematic view is provided for the utility model,
[0019] Figure 2 The utility model provides a high temperature resistant corrosion resistant rotary type regulating valve's internal structure schematic view is provided for the utility model,
[0020] Figure 3 The utility model provides a high temperature resistant corrosion resistant rotary type regulating valve's shell internal structure schematic view is provided for the utility model,
[0021] Figure 4 The utility model provides a high temperature resistant corrosion resistant rotary type regulating valve Figure 2 The structure of A place of the utility model provides,
[0022] Figure 5 The structure of B place of the utility model provides, Figure 3
[0023] Figure 6 The structure of C place of the utility model provides, Figure 3
[0024] Indicated in the drawing:
[0025] 1, valve body, 2, valve cover, 3, valve stem, 4, first carousel, 5, fin, 6, heat dissipation hole, 7, valve core, 8, valve seat, 9, first protective layer, 10, second protective layer, 11, fine adjustment mechanism, 12, guide rod, 111, support, 112, shell, 113, first bevel gear, 114, second bevel gear, 115, connecting rod, 116, second carousel, 117, sleeve, 118, limit disc, 119, limit screw, 120, limit hole, 121, connecting piece. Specific implementation
[0026] In order to make the utility model embodiment's purpose, technical scheme and advantage more clear, the technical scheme in the utility model embodiment will be clearly and completely described below to the drawing, obviously, the described embodiment is the utility model's part embodiment, instead of all the embodiment.
[0027] As Figures 1-3 As shown in the figure, the present embodiment proposes a high-temperature-resistant and corrosion-resistant rotary type regulating valve, which comprises a valve body 1, a valve cover 2 and a valve rod 3, the inside of the valve body 1 is provided with a valve seat 8, the bottom end of the valve rod 3 is connected with a valve core 7 matched with the valve seat 8, the top of the valve cover 2 is provided with a fine adjustment mechanism 11 matched with the valve rod 3, the fine adjustment mechanism 11 comprises a mounting assembly, the outer side of the mounting assembly is provided with a driving assembly, the outer wall of the mounting assembly is installed with a limiting assembly matched with the driving assembly, the output end of the driving assembly is connected with the valve rod 3 through a transmission assembly located inside the mounting assembly, by setting the driving assembly and the transmission assembly, the driving assembly can be rotated to drive the valve rod 3 to rise or fall through the transmission assembly in use, so as to realize the fine adjustment of the gap between the valve core 7 and the valve seat 8, ensure the accuracy of flow regulation, so that the regulating valve can accurately control the size of the flow; the outer wall of the valve body 1 is connected with a plurality of evenly distributed cooling fins 5, the plurality of cooling fins 5 are parallel to each other, a plurality of cooling holes 6 are formed on the cooling fins 5, by setting the cooling fins 5 and the cooling holes 6, the cooling fins 5 can improve the heat dissipation effect of the valve body 1 in use, so that the valve body 1 can be suitable for the use of high-temperature medium, and the parallelly arranged cooling fins 5 can also facilitate the circulation of air, and the plurality of cooling holes 6 on the cooling fins 5 can effectively increase the heat dissipation area of the cooling fins 5, so as to speed up the heat dissipation of the valve body 1, avoid the problem of swelling or even rupture of the valve body 1 due to high temperature.
[0028] As shown in the figure, Figure 1 , Figure 2 and Figure 4 , as a preferred embodiment, on the basis of the above mode, further, the outer side of the valve core 7 is installed with a first protective layer 9, the inner side of the valve seat 8 is installed with a second protective layer 10, by setting the first protective layer 9 and the second protective layer 10, the first protective layer 9 and the second protective layer 10 made of corrosion-resistant and high-temperature-resistant material can be used to protect the valve core 7 and the valve seat 8 during use, so as to improve the corrosion resistance of the valve core 7 and the valve seat 8, avoid the problem that the gap between the valve core 7 and the valve seat 8 is increased due to corrosion, and affect the accuracy of flow regulation, the first protective layer 9 and the second protective layer 10 can be made of ceramic material or other high-temperature-resistant and corrosion-resistant material, and the inside of the valve body 1 is provided with a corrosion-resistant coating.
[0029] As shown in the figure, Figure 1 and Figure 2 , as a preferred embodiment, on the basis of the above mode, further, the valve rod 3 penetrates through the valve cover 2 and is threadedly connected with the valve cover 2, and the top end of the valve rod 3 is connected with a first rotating disc 4 located above the valve cover 2. It should be noted that by setting the first rotating disc 4, the valve rod 3 can be conveniently rotated, so as to adjust the gap between the valve core 7 and the valve seat 8.
[0030] As shown in the figure, Figure 3 , Figure 5 and Figure 6As shown, in a preferred embodiment, based on the above method, the mounting assembly further includes a bracket 111 mounted on the top of the valve cover 2, and a housing 112 located outside the valve stem 3 is mounted on the top of the bracket 111. The transmission assembly includes a first bevel gear 113 and a second bevel gear 114 located inside the housing 112. The drive assembly includes a second turntable 116 located outside the housing 112 and a connecting rod 115 connected to the second turntable 116. The first bevel gear 113 is rotatably connected to the top of the inner wall of the housing 112 through a connector 121 and is threadedly connected to the outside of the valve stem 3. The connector 121 includes a first connecting ring connected to the top of the housing 112 and a second connecting ring connected to the top of the first bevel gear 113. The first connecting ring and the second connecting ring are rotatably connected, and both the first connecting ring and the second connecting ring are located outside the valve stem 3. The end of the second bevel gear 114 is connected to the end of the connecting rod 115. It should be noted that during use, rotating the second turntable 116 drives the second bevel gear 114 and the first bevel gear 113 to rotate via the connecting rod 115, thereby causing the valve stem 3 to rise or fall, achieving fine adjustment of the gap between the valve core 7 and the valve seat 8. The bracket 111 provides convenient support for the housing 112, and the housing 112 protects the first bevel gear 113 and the second bevel gear 114. The connecting piece 121 facilitates the rotational connection between the first bevel gear 113 and the housing 112. The transmission ratio between the first bevel gear 113 and the second bevel gear 114 is 4:1 or 5:1.
[0031] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, in a preferred embodiment, based on the above method, a sleeve 117 is rotatably connected to the outer side of the connecting rod 115. The sleeve 117 penetrates the housing 112 and is fixedly connected to the housing 112. It should be noted that the sleeve 117 facilitates the installation of the connecting rod 115 and also makes the connecting rod 115 more stable.
[0032] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, in a preferred embodiment, based on the above method, the limiting assembly further includes a limiting disc 118 located on one side of the housing 112 and a limiting screw 119 threadedly connected to the second turntable 116. The limiting disc 118 is installed on the outside of the sleeve 117, and the limiting disc 118 has a plurality of limiting holes 120 that cooperate with the limiting screw 119. It should be noted that after adjustment, the limiting screw 119 can be screwed into the limiting holes 120 on the limiting disc 118 to lock the first bevel gear 113 and the second bevel gear 114.
[0033] Specifically, the working principle of the high-temperature-resistant and corrosion-resistant rotary regulating valve is as follows: in use, the first protective layer 9 and the second protective layer 10 can protect the valve core 7 and the valve seat 8, thereby preventing the medium flowing in the valve body 1 from corroding the valve core 7 and the valve seat 8; meanwhile, the heat dissipation fins 5 can cooperate with the heat dissipation holes 6 to dissipate the heat of the valve body 1, thereby avoiding the continuous temperature rise of the valve body 1, which may cause the valve body 1 to be locally bulged or even broken; in use, the first rotating disc 4 and the valve rod 3 can be rotated to drive the valve core 7 to rise and fall, thereby adjusting the gap between the valve core 7 and the valve seat 8; in adjustment, the micro-adjusting mechanism 11 can be used to finely adjust the gap, thereby more accurately adjusting the medium flow through the valve body 1.
[0034] The above embodiments are only used to illustrate the technical solutions described in the utility model and not to limit the utility model. Although the utility model has been described in detail with reference to the above embodiments, the utility model is not limited to the above specific embodiments, and any modification or equivalent replacement of the utility model is allowed. Any technical solution and improvement that does not deviate from the spirit and scope of the invention is included in the scope of the claims of the utility model.
Claims
1. A high temperature and corrosion resistant rotary control valve comprising a valve body (1), a bonnet (2) and a stem (3), characterized in that, The inside of the valve body (1) is provided with a valve seat (8), the bottom end of the valve rod (3) is connected with a valve core (7) matched with the valve seat (8), the top of the valve cover (2) is provided with a fine adjustment mechanism (11) matched with the valve rod (3), the fine adjustment mechanism (11) comprises a mounting assembly, the outer side of the mounting assembly is provided with a driving assembly, the outer wall of the mounting assembly is installed with a limiting assembly matched with the driving assembly, the output end of the driving assembly is connected with the valve rod (3) through a transmission assembly located in the inside of the mounting assembly, the outer wall of the valve body (1) is connected with a plurality of evenly distributed cooling fins (5), the plurality of cooling fins (5) are parallel to each other, a plurality of cooling holes (6) are formed in the cooling fins (5).
2. The high-temperature and corrosion-resistant rotary regulating valve according to claim 1, characterized in that, The valve rod (3) penetrates the valve cover (2) and is screwed with the valve cover (2), and the top end of the valve rod (3) is connected with a first rotating disc (4) located above the valve cover (2).
3. The high-temperature and corrosion-resistant rotary control valve according to claim 1, characterized in that, The outer side of the valve core (7) is installed with a first protective layer (9), and the inner side of the valve seat (8) is installed with a second protective layer (10).
4. The high-temperature and corrosion-resistant rotary control valve according to claim 1, characterized in that, The mounting assembly comprises a support (111) mounted on the top of the valve cover (2), the top of the support (111) is installed with a housing (112) located on the outer side of the valve rod (3), the transmission assembly comprises a first bevel gear (113) and a second bevel gear (114) located on the inner side of the housing (112), the driving assembly comprises a second rotating disc (116) located on the outer side of the housing (112) and a connecting rod (115) connected on the second rotating disc (116), the first bevel gear (113) is rotationally connected with the top inner wall of the housing (112) through a connecting piece (121) and is screwed on the outer side of the valve rod (3), and the second bevel gear (114) is connected with the end of the connecting rod (115).
5. The high-temperature and corrosion-resistant rotary control valve according to claim 4, characterized in that, The outer side of the connecting rod (115) is rotationally connected with a sleeve (117), the sleeve (117) penetrates the housing (112) and is fixedly connected with the housing (112).
6. The high-temperature and corrosion-resistant rotary control valve according to claim 5, characterized in that, The limiting assembly comprises a limiting disc (118) located on one side of the housing (112) and a limiting screw (119) screwed on the second rotating disc (116), the limiting disc (118) is installed on the outer side of the sleeve (117), and a plurality of limiting holes (120) matched with the limiting screw (119) are formed in the limiting disc (118).