Protection structure for waste heat high-temperature saturated steam boiler
By designing protective structures for the safety valve assembly and anti-clogging assembly, the problem of the outlet flow channel of the safety valve in a steam boiler being easily blocked by foreign objects was solved, thus enabling the safety valve to release pressure normally and the boiler to operate safely.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-30
- Publication Date
- 2026-03-24
AI Technical Summary
The outlet flow channel of the safety valve of the steam boiler is open and has a large opening, which makes it easy for foreign objects to enter, causing the safety valve to fail to release pressure in time, thus posing an explosion risk.
A protective structure including a safety valve assembly, a mounting assembly, and an anti-clogging assembly is designed. The outlet flow channel is clamped by a fixed frame and a threaded rod system to control steam discharge, and blockages are cleared by a rotating column and a spring clamp to ensure normal pressure relief of the safety valve.
It effectively prevents foreign objects from entering, reduces the risk of condensate backflow, ensures the safety valve can release pressure normally, reduces the risk of boiler overpressure, and avoids explosion accidents.
Smart Images

Figure CN224033784U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to water vapor boiler protection device upper related technical field, especially a kind of protection structure for waste heat high-temperature saturated water vapor boiler. BACKGROUND
[0002] Waste heat high-temperature saturated water vapor boiler is a kind of high-temperature saturated water vapor heat energy equipment generated by using the waste heat (such as high-temperature exhaust gas, cooling water or other waste heat source) generated in industrial production process, which is converted into high-temperature saturated water vapor by recycling the waste heat (such as high-temperature flue gas, cooling water, process waste heat, etc.) generated in industrial production process, so as to realize the reuse of energy.
[0003] The safety valve of steam boiler is a kind of key safety protection device, mainly used for preventing the internal pressure of boiler from being too high, avoiding explosion or serious accident caused by overpressure, when the steam pressure in the boiler exceeds the set value, the safety valve is automatically opened, and part of steam is released, so as to reduce the pressure to the safety range.
[0004] The outlet flow channel of water vapor boiler safety valve is open, and the opening of outlet flow channel is large, foreign matter is easy to enter, insects like to nest in warm place, which can cause the safety valve to fail to relieve pressure in time in emergency, resulting in overpressure of boiler and explosion risk. UTILITY MODEL CONTENTS
[0005] The utility model aims at providing a kind of protection structure for waste heat high-temperature saturated water vapor boiler, to solve the problems raised in the above background.
[0006] The technical scheme adopted by the utility model is:
[0007] A kind of protection structure for waste heat high-temperature saturated water vapor boiler, comprising: safety valve assembly;
[0008] The safety valve assembly comprises:
[0009] Safety valve main body;
[0010] Outlet flow channel, fixedly connected to one side of safety valve main body, and inside and safety valve main body inside are communicated;
[0011] Mounting assembly, the mounting assembly comprises:
[0012] Fixed frame, placed on the outer surface of outlet flow channel, and fixed frame is circular;
[0013] Flow-through hole, opened in one side of fixed frame, and flow-through hole penetrates one side of fixed frame;
[0014] Screw hole, opened in the upper and lower sides of fixed frame.
[0015] Optionally, the lower surface of the safety valve body is fixedly connected with an inlet flow channel, and the inlet flow channel is in communication with the inside of the safety valve body.
[0016] Optionally, the inside of the two threaded holes is threaded through a corresponding threaded rod, and one end of the threaded rod extends into the inside of the fixed frame.
[0017] Optionally, one end of the threaded rod is rotatably provided with a bearing, one side of the bearing is fixedly provided with a clamping block, the clamping block is provided with two clamping blocks, which are respectively located on the two sides of the inside of the fixed frame, and the clamping block is in contact with the outer surface of the outlet flow channel.
[0018] Optionally, the other end of the threaded rod is fixedly provided with a connecting handle, and the connecting handle is provided with two connecting handles, which are respectively located on the two sides of the outside of the fixed frame.
[0019] Optionally, the anti-blocking assembly further comprises:
[0020] A rotating groove is formed in the center of one side of the fixed frame, and the rotating groove completely penetrates the fixed frame;
[0021] An installation groove is formed in the inside of one side of the fixed frame, and the installation groove is in communication with the flow-through hole;
[0022] A rotating column is rotatably arranged in the rotating groove;
[0023] Two baffles are fixedly arranged on the two sides of the rotating column and located on the two sides of the rotating groove.
[0024] Optionally, the outer surface of the rotating column is fixedly provided with a connecting plate, and five installation holes are equidistantly formed in one side of the connecting plate.
[0025] Optionally, the inside of the installation hole is fixedly provided with a spring, one side of the spring is fixedly provided with a clamping column, the clamping column corresponds to the flow-through hole, and the end of the clamping column extends into the flow-through hole.
[0026] Compared with the prior art, the utility model has the advantages that:
[0027] Through the safety valve assembly and the installation assembly, in order to prevent the outlet flow channel from being open, the fixed frame is clamped into the outlet flow channel, then the connecting handle is rotated, the connecting handle drives the threaded rod to rotate, under the connection of the threaded hole, the threaded rod will vertically move in the threaded hole, under the connection of the bearing, the threaded rod rotates in the bearing, at this time, the bearing will only vertically move with the threaded rod and will not rotate, and the bearing drives the clamping block to clamp the outlet flow channel, so that the fixed frame is fixed on the outside of the outlet flow channel, the steam is released through the plurality of smaller flow-through holes, the condensate backflow caused by the open direct discharge is avoided, the probability of foreign matters entering is reduced, and the problems in the prior art are solved. BRIEF DESCRIPTION OF DRAWINGS
[0028] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the embodiments or prior art description will be briefly introduced. Obviously, the accompanying drawings in the following description only constitute some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained from these drawings without creative labor.
[0029] Fig. 1 is a first perspective view of the present application;
[0030] Fig. 2 is a second perspective view of the present application;
[0031] Fig. 3 is a structural view of the mounting assembly in the present application;
[0032] Fig. 4 is an exploded view of the mounting assembly in the present application;
[0033] Fig. 5 is a sectional view of the anti-blocking assembly in the present application;
[0034] Fig. 6 is an exploded view of the anti-blocking assembly in the present application.
[0035] Reference signs:
[0036] 1, safety valve assembly; 11, safety valve body; 12, inlet flow passage; 13, outlet flow passage;
[0037] 2, mounting assembly; 21, fixed frame; 22, flow-through hole; 23, threaded hole; 24, threaded rod; 25, bearing; 26, clamping block; 27, connecting handle;
[0038] 3, anti-blocking assembly; 31, rotating groove; 32, mounting groove; 33, rotating column; 34, baffle; 35, connecting plate; 36, mounting hole; 37, spring; 38, clamping column; DETAILED DESCRIPTION
[0039] In the description of the utility model, it is understood that the orientation or positional relationship indicated by the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" is the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is placed, or the orientation or positional relationship commonly understood by the person skilled in the art, which is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as indicating or implying that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the utility model.
[0040] In addition, the terms "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include one or more of the features. In the description of the utility model, the meaning of "multiple" is two or more, unless otherwise explicitly specified.
[0041] In view of the prior art, the outlet flow channel of the water vapor boiler safety valve is open, and the opening of the outlet flow channel is large, so that foreign matter is easy to enter, insects like to nest in warm places, which can cause the safety valve to fail to relieve pressure in an emergency, leading to boiler overpressure and explosion risk.
[0042] As shown in Figs. 1-6 The utility model discloses a protection structure for waste heat high-temperature saturated water vapor boiler, which comprises
[0043] A safety valve assembly 1 is provided.
[0044] The safety valve assembly 1 comprises:
[0045] A safety valve body 11 is provided.
[0046] An outlet flow channel 13 is fixedly connected to one side of the safety valve body 11 and is internally connected with the safety valve body 11.
[0047] The lower surface of the safety valve body 11 is fixedly connected with an inlet flow channel 12, and the inlet flow channel 12 is connected with the safety valve body 11.
[0048] An installation assembly 2 is provided, which comprises:
[0049] A fixed frame 21 is placed on the outer surface of the outlet flow channel 13, and the fixed frame 21 is circular.
[0050] The flow-through hole 22 is arranged on one side of the fixed frame 21 and penetrates through one side of the fixed frame 21.
[0051] The threaded hole 23 is arranged on the upper and lower sides of the fixed frame 21.
[0052] The safety valve body 11 is internally provided with a valve core and the like, and when the system pressure exceeds the set value, the valve core is opened to release the fluid and prevent overpressure. The inlet flow channel 12 guides the steam into the safety valve, and when the safety valve is opened, the steam is discharged from the outlet flow channel 13 to the external environment.
[0053] The fixed frame 21 is fixed by the clamping block 26, which can protect the outlet flow channel 13 and prevent external foreign matter from entering, and at the same time control the steam discharge through the flow-through hole 22. The flow-through hole 22 allows the steam to be discharged from the small hole, reduces the risk of leakage caused by direct opening, prevents large particles or insects from entering, and the threaded hole 23 is used for installing the threaded rod 24 to realize the transmission of clamping force through threaded cooperation.
[0054] The two threaded holes 23 are internally provided with corresponding threaded rods 24, one end of the threaded rod 24 extends into the inside of the fixed frame 21, one end of the threaded rod 24 is rotatably provided with a bearing 25, one side of the bearing 25 is fixedly provided with a clamping block 26, the clamping block 26 is provided with two clamping blocks 26 arranged on the two sides of the fixed frame 21, and the clamping block 26 is in contact with the outer surface of the outlet flow channel 13. The other end of the threaded rod 24 is fixedly provided with a connecting handle 27, and the connecting handle 27 is provided with two connecting handles 27 arranged on the two sides of the fixed frame 21.
[0055] When the threaded rod 24 rotates, the clamping block 26 is pushed to move through the thread, the bearing 25 enables the clamping block 26 to move linearly without rotating with the threaded rod 24, ensures the stability of the clamping process, the clamping block 26 directly contacts the outlet flow channel 13 to provide a sealing force through clamping, fixes the position of the fixed frame 21, and the connecting handle 27 is convenient for the operator to rotate to drive the threaded rod 24 to move to realize clamping or loosening.
[0056] In use, in order to prevent the outlet flow channel 13 from being open, the fixed frame 21 is only needed to be clamped into the outlet flow channel 13, and then the connecting handle 27 is rotated to drive the threaded rod 24 to rotate. Under the connection of the threaded hole 23, the threaded rod 24 will move vertically in the threaded hole 23, and under the connection of the bearing 25, the threaded rod 24 will rotate in the bearing 25. At this time, the bearing 25 will only move vertically with the threaded rod 24 and will not rotate, and the bearing 25 drives the clamping block 26 to clamp the outlet flow channel 13 to fix the fixed frame 21 outside the outlet flow channel 13. The steam is released through a plurality of small flow-through holes 22 to avoid the condensate backflow caused by direct discharge of the opening and reduce the probability of entry of external foreign matter.
[0057] Specifically, as Figs. 1-6As shown,
[0058] Anti-blocking assembly 3; Anti-blocking assembly 3 comprises:
[0059] Rotary groove 31 is opened in the center of one side of fixed frame 21, and rotary groove 31 completely penetrates fixed frame 21;
[0060] The installation groove 32 is opened in the inner side of one side of the fixed frame 21, and the installation groove 32 and the flow-through hole 22 are mutually penetrated;
[0061] Rotary column 33 is rotatably penetrated in the rotary groove 31;
[0062] The baffle 34 is provided with two, which are respectively fixed on both sides of the rotary column 33 and located on both sides of the rotary groove 31;
[0063] Among them, the rotary groove 31 provides the rotary track and axial limit for the rotary column 33, ensures the stable rotation of the rotary column 33 in the fixed frame 21, the rotary column 33 drives the synchronous rotation of the baffle 34 and the connecting plate 35, triggers the cleaning action, the baffle 34 is fixed on both sides of the rotary column 33, limits the axial displacement of the rotary column 33 along the rotary groove 31, prevents it from slipping or tilting.
[0064] The outer surface of the rotary column 33 is fixed with the connecting plate 35, five installation holes 36 are equidistantly opened on one side of the connecting plate 35, springs 37 are fixed in the installation holes 36, clamping columns 38 are fixed on one side of the springs 37, and the clamping columns 38 correspond to the flow-through hole 22, and the ends of the clamping columns 38 extend into the flow-through hole 22;
[0065] Among them, the connecting plate 35 is located in the installation groove 32, a set of spring 37 and clamping column 38 are installed in each installation hole 36, which provides energy storage and execution structure for the cleaning action, the spring 37 stores energy in the compressed state, releases the elastic force when the installation hole 36 is aligned with the flow-through hole 22, pushes the clamping column 38 to extend and retract quickly, and the clamping column 38 is inserted into the flow-through hole 22 after being driven by the spring 37, and the clamping column 38 is pushed out by the extension and retraction movement.
[0066] When in use, in order to avoid the flow-through hole 22 being blocked, the staff only needs to rotate the rotary column 33 regularly, so that the rotary column 33 rotates in the rotary groove 31, the connecting plate 35 is driven to rotate synchronously by the rotary column 33, when the connecting plate 35 rotates, the five installation holes 36 correspond to the flow-through hole 22, under the action of the elastic force of the spring 37, the spring 37 will extend and retract, drive the clamping column 38 to extend and retract, and the clamping column 38 can push out the blockage in the flow-through hole 22, avoid the flow-through hole 22 being blocked to hinder the normal pressure relief of the safety valve, ensure the steam discharge capacity, and reduce the risk of overpressure.
[0067] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.
Claims
1. A protective structure for a waste heat high-temperature saturated water vapor boiler, characterized by comprising: Include: Safety valve assembly (1); The safety valve assembly (1) comprises a safety valve body (11), an outlet flow channel (13) fixedly connected to one side of the safety valve body (11), and internally connected with the inside of the safety valve body (11); The mounting assembly (2) comprises: The fixed frame (21) is placed on the outer surface of the outlet flow channel (13), and the fixed frame (21) is circular; The flow-through hole (22) is provided on one side of the fixed frame (21), and the flow-through hole (22) penetrates one side of the fixed frame (21); The threaded hole (23) is provided on the upper and lower sides of the fixed frame (21).
2. A protective structure for a waste heat high-temperature saturated water vapor boiler according to claim 1, characterized in that, The lower surface of the safety valve body (11) is fixedly connected with the inlet flow channel (12), and the inlet flow channel (12) is connected with the inside of the safety valve body (11).
3. A protective structure for a waste heat high temperature saturated water vapor boiler according to claim 1, characterized in that, Two threaded holes (23) are internally threaded with corresponding threaded rods (24), and one end of the threaded rod (24) extends into the inside of the fixed frame (21).
4. A protective structure for a waste heat high-temperature saturated water vapor boiler according to claim 3, characterized in that, One end of the threaded rod (24) is provided with a bearing (25), one side of the bearing (25) is fixedly connected with a clamping block (26), the clamping block (26) is provided with two, which are respectively located on both sides of the inside of the fixed frame (21), and the clamping block (26) is in contact with the outer surface of the outlet flow channel (13).
5. A protective structure for a waste heat high temperature saturated water vapor boiler according to claim 4, characterized in that, The other end of the threaded rod (24) is fixedly connected with a connecting handle (27), and the connecting handle (27) is provided with two, which are respectively located on both sides of the outside of the fixed frame (21).
6. A protective structure for a waste heat high temperature saturated water vapor boiler according to claim 1, characterized in that, It also includes an anti-blocking assembly (3); The anti-blocking assembly (3) comprises: a rotating groove (31) provided on the center of one side of the fixed frame (21), and the rotating groove (31) completely penetrates the fixed frame (21); The installation groove (32) is provided on the inside of one side of the fixed frame (21), and the installation groove (32) and the flow-through hole (22) are mutually penetrated; The rotating column (33) is rotatably provided in the rotating groove (31); The baffle (34) is provided with two, which are respectively fixed on both sides of the rotating column (33), and are located on both sides of the rotating groove (31).
7. A protective structure for a waste heat high temperature saturated water vapor boiler according to claim 6, characterized in that, The outer surface of the rotating column (33) is fixedly connected with a connecting plate (35), one side of the connecting plate (35) is provided with five installation holes (36) at equal intervals, and the connecting plate (35) is located in the installation groove (32).
8. A protective structure for a waste heat high temperature saturated water vapor boiler according to claim 7, characterized in that, The installation hole (36) is fixedly connected with a spring (37), one side of the spring (37) is fixedly connected with a clamping column (38), and the clamping column (38) corresponds to the flow-through hole (22), and the end of the clamping column (38) extends into the flow-through hole (22).