A valve body leakage detection device for thermoelectric

Abstract

The present application relates to the technical fields of valve leakage detection, and especially relates to a valve leakage detection device for thermal power, which comprises a main body component, a body assembly, a support disc arranged outside the body assembly, and a shielding assembly arranged in the support disc; a detection component, a trigger assembly arranged in the support disc, an output assembly arranged at the end of the trigger assembly, and a receiving assembly in contact with the output assembly, when the steam leakage impacts the trigger assembly, the trigger assembly will slide in the support disc, and in the process of sliding, the output assembly will be moved upwards, and the end of the output assembly will move the receiving assembly and the shielding assembly to the connection between the pipeline and the valve, so that the temporary plugging of the leakage point by the shielding assembly in the maintenance process can be realized, the energy loss caused by the steam can be prevented, the staff near the leakage can be prevented from being scalded by the leakage steam, and in addition, the sound in the process of sliding of the trigger assembly can remind the staff.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valve body leakage detection, in particular to a valve body leakage detection device for cogeneration. BACKGROUND

[0002] In a combined heat and power system, the types of valves that control steam transmission usually include regulating valves, extraction regulating valves, and exhaust regulating valves. These valves play an important role in the system, ensuring efficient use of steam and stable operation of the system.

[0003] However, after a long period of operation, leakage may occur at the connection between the valve and the pipeline due to aging of the sealing material or poor installation process control. Staff cannot check the valve leakage in real time, which may lead to delayed discovery or treatment, causing equipment failure and endangering personnel safety. SUMMARY

[0004] In view of the above or the problem of steam leakage causing equipment failure and endangering personnel safety in the prior art, the present application is proposed.

[0005] Therefore, the purpose of the present application is to provide a valve body leakage detection device for cogeneration.

[0006] To solve the above technical problems, the present application provides the following technical solutions: including,

[0007] The main component includes a body assembly, a support disc outside the body assembly, and a shielding assembly inside the support disc;

[0008] The detection component includes a trigger assembly inside the support disc, an output assembly at the end of the trigger assembly, and a receiving assembly in contact with the output assembly.

[0009] As a preferred scheme of the valve body leakage detection device for cogeneration, the body assembly includes a valve body and a connecting pipe at the end of the valve body.

[0010] The connecting pipe is connected to the support disc.

[0011] As a preferred scheme of the valve body leakage detection device for cogeneration, the support disc is provided with a sliding groove.

[0012] The sliding groove is slidably connected with a shielding cylinder, a slope is formed on the inner wall of the end of the shielding cylinder, and a limiting groove is formed on the outside of the shielding cylinder corresponding to the position of the sliding groove.

[0013] As a preferred scheme of the valve body leakage detection device for cogeneration, the support disc is provided with a guide groove.

[0014] The trigger assembly comprises a sliding rod arranged in the guide slot, an arc-shaped plate arranged at the end of the sliding rod, and a rotating rod arranged at the end of the sliding rod.

[0015] As a preferred scheme of the valve body leakage detection device for thermal power, the output assembly comprises an output rod arranged outside the rotating rod, a movable slot arranged in the output rod, and a movable rod arranged in the movable slot.

[0016] The end of the movable rod is connected with the inner wall of the limiting slot.

[0017] As a preferred scheme of the valve body leakage detection device for thermal power, the receiving assembly comprises a connecting rod arranged on the inner wall of the shielding cylinder, a receiving ring arranged at the end of the connecting rod, and an opening arranged outside the receiving ring corresponding to the position of the output rod.

[0018] The output rod abuts against the opening.

[0019] As a preferred scheme of the valve body leakage detection device for thermal power, the device further comprises a warning component.

[0020] The device comprises a conversion assembly arranged in the support disc, a sound-producing assembly arranged outside the conversion assembly, and a force storage assembly arranged outside the trigger assembly.

[0021] As a preferred scheme of the valve body leakage detection device for thermal power, the inside of the support disc is provided with a sound-producing cavity, and the support disc is provided with an output slot connected with the guide slot between the sound-producing cavity and the guide slot.

[0022] The conversion assembly comprises a conversion rod arranged in the sound-producing cavity, a reciprocating slot arranged outside the conversion rod, and a push rod arranged in the reciprocating slot.

[0023] The rod body of the push rod penetrates through the output slot and is connected with the side edge of the sliding rod.

[0024] As a preferred scheme of the valve body leakage detection device for thermal power, the sound-producing assembly comprises a support rod arranged at the end of the conversion rod, a knocking rod arranged outside the support rod, and a tinkle arranged on the inner wall of the sound-producing cavity.

[0025] As a preferred scheme of the valve body leakage detection device for thermal power, the support disc is provided with a sliding groove on the other side of the guide slot.

[0026] The force storage assembly comprises a protrusion arranged in the sliding groove, and a spring arranged between the protrusion and the inner wall of the sliding groove.

[0027] The convex is connected with the sliding rod.

[0028] The heat valve body leakage detection device has the following advantages: when leakage occurs at the connection between the transmission pipeline of the boiler and the valve, the leaked gas will impact the triggering assembly, the triggering assembly will slide outward with the valve-pipeline connection as the center under the guidance of the support disc, and in the sliding process, the output assembly will be moved upward, and the end of the output assembly will move the receiving assembly and the shielding assembly to the pipeline-valve connection, so that the shielding assembly can temporarily block the leakage point during maintenance, preventing energy loss caused by leakage steam and preventing the steam from causing burns to nearby personnel, and in the sliding process of the triggering assembly, a sound is generated to attract workers to check, so as to warn the workers of the leakage, and the workers can check and maintain the leakage in the first time. BRIEF DESCRIPTION OF DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0030] Fig. 1 It is a whole schematic view of the heat valve body leakage detection device.

[0031] Fig. 2 It is a support disc cross-section structure schematic view of the heat valve body leakage detection device.

[0032] Fig. 3 It is a detection component structure schematic view of the heat valve body leakage detection device.

[0033] Fig. 4 It is a shielding cylinder structure schematic view of the heat valve body leakage detection device.

[0034] Fig. 5 It is a warning component structure schematic view of the heat valve body leakage detection device.

[0035] Fig. 6 It is a conversion rod plane structure schematic view of the heat valve body leakage detection device. DETAILED DESCRIPTION

[0036] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings of the specification.

[0037] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without the specific details set forth in this description. In other instances, well-known methods, procedures, components, and circuits have not been described in detail so as not to unnecessarily obscure aspects of the present application.

[0038] It is also noted that, as used herein, "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the application. The appearances of the phrase "in one embodiment" or "in an embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are the various embodiments necessarily mutually exclusive, but are used to describe one or more particular features, structures, or characteristics of one or more embodiments.

[0039] Embodiment 1, refer to Figs. 1-2 As a first embodiment of the present application, the embodiment provides a valve body 101a leakage detection device for thermoelectricity, which comprises a main body component 100, a detection component 200, wherein the main body component 100 comprises a body assembly 101, a support disc 102 arranged outside the body assembly 101, and a shielding assembly 103 arranged in the support disc 102; the detection component 200 comprises a trigger assembly 201 arranged in the support disc 102, an output assembly 202 arranged at the end of the trigger assembly 201, and a receiving assembly 203 in contact with the output assembly 202. When the connection between the transmission pipeline of the boiler and the valve leaks, the leaked gas will impact the trigger assembly 201. At this time, the trigger assembly 201 will slide outward with the valve and pipeline connection as the center under the guidance of the support disc 102. In the process of sliding, the output assembly 202 will be moved upward, and the end of the output assembly 202 will move the receiving assembly 203 and the shielding assembly 103 to the connection between the pipeline and the valve, so as to realize the temporary plugging of the shielding assembly 103 to the leakage point during maintenance. Not only can the energy loss caused by the leakage of steam be prevented, but also the scalding of the nearby personnel by the steam can be prevented. In addition, the sound generated in the process of sliding of the trigger assembly 201 can attract the workers to check, so as to realize the purpose of warning the workers of the leakage. In this way, the workers can check and maintain the leakage in the first time.

[0040] Embodiment 2, refer to Figs. 1-4 As a second embodiment of the present application, different from the previous embodiment, the body assembly 101 comprises a valve body 101a and a connecting pipe 101b arranged at the end of the valve body 101a; wherein the connecting pipe 101b is connected with the support disc 102, the end of the valve body 101a is connected with the connecting pipe 101b, and the connecting pipe 101b is fixedly connected with the support disc 102 outside. The steam can flow into the boiler through the valve body 101a.

[0041] Further, the support disc 102 is externally provided with a sliding groove 102a; the sliding groove 102a is slidably connected with a shielding cylinder 103a, a slope 103b provided in the inner wall of the end portion of the shielding cylinder 103a, and a limiting groove 103c provided in the outer wall of the shielding cylinder 103a corresponding to the position of the sliding groove 102a; the outer side of the support disc 102 is provided with a plurality of sliding grooves 102a, and the plurality of sliding grooves 102a are not communicated; the position corresponding to the plurality of sliding grooves 102a of the shielding cylinder 103a is provided with a limiting groove 103c, and the plurality of inclined grooves are not communicated; in this way, the shielding cylinder 103a can be slidably connected in the support disc 102, and the support disc 102 and the pipeline can also be connected together; the end portion of the inner wall of the shielding cylinder 103a located at the connection position of the valve body 101a and the connecting pipe 101b is provided with a slope 103b; in this way, the shielding cylinder 103a can be more easily slid to the connection position of the valve body 101a and the pipeline.

[0042] Further, the support disc 102 is externally provided with a guiding groove 102b; the trigger assembly 201 comprises a sliding rod 201a provided in the guiding groove 102b, an arc-shaped plate 201b provided at the end portion of the sliding rod 201a, and a rotating rod 201c provided at the end portion of the sliding rod 201a; the outer side of the support disc 102 is provided with a plurality of guiding grooves 102b, and the plurality of guiding grooves 102b are slidably connected with the sliding rod 201a; the end portion of the sliding rod 201a is fixedly connected with the arc-shaped plate 201b; the arc-shaped plate 201b is arranged at the connection position of the valve body 101a and the connecting pipe 101b, and the plurality of arc-shaped plates 201b can form a circular ring covering the connection position of the valve body 101a and the connecting pipe 101b; in this way, no matter where the leakage occurs at the connection position of the valve body 101a and the connecting pipe 101b, the arc-shaped plate 201b will be impacted, so that the arc-shaped plate 201b drives the sliding rod 201a to slide upward in the guiding groove 102b, thereby realizing the pipeline leakage detection.

[0043] Further, the output assembly 202 comprises an output rod 202a arranged outside the rotating rod 201c, a movable slot 202b arranged in the output rod 202a, and a movable rod 202c arranged in the movable slot 202b; wherein the end of the movable rod 202c is connected with the inner wall of the limiting slot 103c, the receiving assembly 203 comprises a connecting rod 203a arranged on the inner wall of the shielding cylinder 103a, a receiving ring 203b arranged at the end of the connecting rod 203a, and an opening 203c arranged outside the receiving ring 203b corresponding to the position of the output rod 202a; wherein the output rod 202a is in abutment with the opening 203c, the end of the sliding rod 201a is rotatably connected with the rotating rod 201c, the end of the rotating rod 201c is fixedly connected with the output rod 202a, the output rod 202a is arranged in an inclined manner, and the movable slot 202b is arranged in the output rod 202a, the movable rod 202c is arranged in the movable slot 202b, the movable rod 202c is arranged in the limiting slot 103c, the inside of the shielding cylinder 103a is fixedly connected with a plurality of connecting rods 203a, the ends of the plurality of connecting rods 203a are fixedly connected with the receiving ring 203b, the openings 203c are arranged at the positions of the output rod 202a, and the output rod 202a is in abutment with the output rod 202a, so that when the sliding rod 201a moves upward in the guide slot 102b, the output rod 202a will move along with it, and the end of the output rod 202a away from the rotating rod 201c will be pushed in the vertical direction with the movable rod 202c as the center, and the movable rod 202c cooperates with the movable slot 202b to provide a stroke allowance between the output rod 202a and the movable rod 202c, so as to avoid mutual interference between the output rod 202a and the movable rod 202c, at this time, the end of the output rod 202a away from the rotating rod 201c will push the opening 203c, and at this time, the receiving ring 203b and the shielding cylinder 103a will move along the sliding slot 102a to the connection between the valve body 101a and the connecting pipe 101b, and seal the connection, so as to realize the detection and temporary sealing of the leakage point.

[0044] The remaining structures are the same as those of Example 1.

[0045] Example 3, refer to Figs. 1-6 , this is the third embodiment of the present application, which is different from the previous embodiment in that it further comprises a warning component 300; which comprises a conversion assembly 301 arranged in the support disc 102, a sound emitting assembly 302 arranged outside the conversion assembly 301, and a force storage assembly 303 arranged outside the trigger assembly 201, when the steam leakage impact triggers the trigger assembly 201, the sliding of the trigger assembly 201 along the guide slot 102b can convert the sliding force into a reciprocating swinging force through the conversion assembly 301, and then the reciprocating swinging of the sound emitting assembly 302 can emit a sound to warn the staff, and when the maintenance is completed, the trigger assembly 201 will be reset under the action of the force storage assembly 303.

[0046] Specifically, the inside of the support disc 102 is provided with a sound production cavity 102c, and the support disc 102 is provided with an output slot 102d which is connected to the sound production cavity 102c and the guide slot 102b; the conversion assembly 301 comprises a conversion rod 301a arranged in the sound production cavity 102c, a reciprocating slot 301b arranged outside the conversion rod 301a, and a push rod 301c arranged in the reciprocating slot 301b; wherein the rod body of the push rod 301c penetrates the output slot 102d and is connected to the side of the sliding rod 201a; the sound production assembly 302 comprises a support rod 302a arranged at the end of the conversion rod 301a, a knocking rod 302b arranged outside the support rod 302a, and a resonator 302c arranged on the inner wall of the sound production cavity 102c; the inside of the support disc 102 is provided with a sound production cavity 102c, and the support disc 102 is provided with a through output slot 102d between the sound production cavity 102c and the guide slot 102b; the sound production cavity 102c is rotatably connected with the support rod 302a, the end of the support rod 302a is fixedly connected with the conversion rod 301a, the outside of the conversion rod 301a is provided with the reciprocating slot 301b, the reciprocating slot 301b is arranged in an arc shape and in a lightning shape, the push rod 301c is movably connected in the reciprocating slot 301b, the rod body of the push rod 301c penetrates the output slot 102d and is connected to the sliding rod 201a, the end of the support rod 302a is fixedly connected with the knocking rod 302b, and the sound production cavity 102c is fixedly connected with a pair of resonators 302c at the landing position of the knocking rod 302b; in this way, in the process of the upward movement of the sliding rod 201a, the push rod 301c will slide in the output slot 102d, and the reciprocating slot 301b will be pushed at the same time; because the reciprocating slot 301b is arranged in an arc lightning shape, the conversion rod 301a and the support rod 302a will swing back and forth in a reciprocating state; at this time, the knocking rod 302b will swing back and forth to knock the resonator 302c; in addition, the support disc 102 is provided with a horn 102f at the position of the sound production cavity 102c; in this way, the sound produced by the resonator 302c will be amplified by the horn 102f and transmitted to the outside world, so as to attract the staff to check, thereby achieving the purpose of warning the staff of the leakage.

[0047] Further, the support disc 102 is provided with a sliding groove 102e on the other side of the guide groove 102b; the force storage assembly 303 comprises a protrusion 303a arranged in the sliding groove 102e and an acting spring 303b arranged between the protrusion 303a and the inner wall of the sliding groove 102e; wherein the protrusion 303a is connected with the sliding rod 201a, the support disc 102 is provided with the sliding groove 102e on the side away from the output groove 102d in the guide groove 102b, the sliding groove 102e is slidably connected with the protrusion 303a, the side edge of the protrusion 303a is connected with the sliding rod 201a, and the acting spring 303b is arranged between the end of the protrusion 303a and the inner wall of the sliding groove 102e; in the moving process of the sliding rod 201a, the protrusion 303a will extrude the acting spring 303b, and the acting spring 303b will store force; after the staff completes maintenance, the valve and the connecting pipe 101b are connected to stop the leakage of steam, and the acting spring 303b will release the extrusion to the sliding rod 201a, so that the sliding rod 201a is reset, thereby preparing for the next detection of leakage.

[0048] The rest of the structure is the same as that of Example 2.

[0049] Importantly, it should be noted that the constructions and arrangements of the present application shown in the various exemplary embodiments are illustrative only. Although only a few embodiments have been described in detail in this disclosure, many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in this application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such variations are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed, or reordered, according to alternative embodiments. Any "means plus function" clauses are intended to cover the structures described herein as performing the recited functions and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described and illustrated herein, but extends to equivalents of which the skilled artisan has knowledge of based on this disclosure.

[0050] Furthermore, in the interest of providing a concise description of illustrative embodiments, not all features of an actual implementation can be described (that is, not all

[0051] It will be appreciated that in the development of any actual embodiment, as in any engineering or design project, numerous implementation-specific decisions can be made. Such development efforts might be complex and time-consuming, but would nevertheless be a routine undertaking for those of ordinary skill in the art having the benefit of this disclosure.

[0052] It should be noted that the above-mentioned embodiments are only used to illustrate the technical scheme of the present application, but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical scheme of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical scheme of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A valve body leakage detection device for thermoelectric applications, characterized in that: The utility model relates to a kind of valve, including, Main part (100), including body component (101), support disc (102) located outside the body component (101), and shielding component (103) located inside the support disc (102); Detection component (200), including trigger component (201) located inside the support disc (102), output component (202) located at the end of the trigger component (201), and receiving component (203) abutting the output component (202); The body component (101) includes valve body (101a), and connecting pipe (101b) located at the end of the valve body (101a);Wherein, the connecting pipe (101b) is connected with support disc (102); The support disc (102) is provided with a sliding groove (102a) outside;The sliding groove (102a) is slidably connected with a shielding cylinder (103a), the shielding cylinder includes a slope (103b) provided on the inner wall of the end of the shielding cylinder (103a), and a limiting groove (103c) provided on the outside of the shielding cylinder (103a) corresponding to the position of the sliding groove (102a); The support disc (102) is provided with a guide groove (102b) outside;The trigger component (201) includes a sliding rod (201a) located in the guide groove (102b), an arc plate (201b) located at the end of the sliding rod (201a), and a rotating rod (201c) located at the end of the sliding rod (201a); The output component (202) includes an output rod (202a) located outside the rotating rod (201c), a movable groove (202b) provided in the output rod (202a), and a movable rod (202c) provided in the movable groove (202b);Wherein, the end of the movable rod (202c) is connected with the inner wall of the limiting groove (103c); The receiving component (203) includes a connecting rod (203a) provided on the inner wall of the shielding cylinder (103a), a receiving ring (203b) provided at the end of the connecting rod (203a), and an aperture (203c) provided on the outside of the receiving ring (203b) corresponding to the position of the output rod (202a);Wherein, the output rod (202a) abuts the aperture (203c).

2. The valve body leak detection apparatus for thermoelectric use of claim 1, wherein: It also includes a warning component (300); It includes a conversion component (301) located inside the support disc (102), a sound emitting component (302) located outside the conversion component (301), and a force storage component (303) located outside the trigger component (201).

3. The valve body leak detection apparatus for thermoelectric use of claim 2, wherein: The inside of the support disc (102) is provided with a sound emitting cavity, and the support disc (102) is located between the sound emitting cavity (102c) and the guide groove (102b) and is provided with a communication output groove (102d); The conversion component (301) includes a conversion rod (301a) located in the sound emitting cavity (102c), a reciprocating groove (301b) provided on the outside of the conversion rod (301a), and a lever (301c) provided in the reciprocating groove (301b); The rod body of the dialing rod (301c) penetrates the output slot (102d) and is connected with the side of the sliding rod (201a).

4. The valve body leak detection apparatus for thermoelectric use of claim 3, wherein: The sound producing assembly (302) comprises a supporting rod (302a) arranged at the end of the conversion rod (301a), a knocking rod (302b) arranged outside the supporting rod (302a), and a resonant piece (302c) arranged on the inner wall of the sound producing cavity (102c).

5. The valve body leak detection apparatus for thermoelectric use of claim 4, wherein: The supporting disc (102) is provided with a sliding groove (102e) on the other side of the guide groove (102b). The force storage assembly (303) comprises a protrusion (303a) arranged in the sliding groove (102e) and an acting spring (303b) arranged between the protrusion (303a) and the inner wall of the sliding groove (102e). The protrusion (303a) is connected with the sliding rod (201a).

Images