CN110878903B

CN110878903B - Steam trap convenient for steam heat energy recovery

Info

Publication number: CN110878903B
Application number: CN201911149423.9A
Authority: CN
Inventors: 刘柯源
Original assignee: Taizhou Zhongji Valve Co Ltd
Current assignee: Taizhou Zhongji Valve Co., Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-12-08
Anticipated expiration: 2039-11-21
Also published as: CN110878903A

Abstract

The invention discloses a drain valve convenient for steam heat energy recovery, which comprises a valve body, turbine blades, a piston, a pipe body and a valve plate, wherein the lower end of the valve body is provided with a cylinder body, the inner side of the cylinder body is provided with an installation ring, the inner side of the installation ring is provided with the turbine blades, the outer surface of the installation ring and the inner surface of the cylinder body are provided with connecting grooves, the inner side of each connecting groove is provided with a ball, the valve plate is provided with a connecting hole, the inner side of the connecting hole is provided with a vertical rod, the upper end of the vertical rod is mutually connected with a closed chamber, the lower part of the valve plate is provided with. This make things convenient for steam heat energy to carry out trap of retrieving retrieves through retrieving the steam that will leak, shifts to in the steam chamber through the body to conveniently fill and promote the ejector pin in the installation section of thick bamboo, be favorable to the ejector pin to stretch out from the installation section of thick bamboo and promote the valve block, thereby compensate the defect that the valve plate effort is little, promoted the valve block and carried out confined stability.

Description

Steam trap convenient for steam heat energy recovery

Technical Field

The invention relates to the technical field of drain valves, in particular to a drain valve convenient for recovering steam heat energy.

Background

In steam system pipe network, the condition of cooling condensate water can appear in the steam in the part pipe network, thereby influence the circulation of steam and the maintenance of steam temperature, so generally need in time discharge the condensate water, avoid influencing the steam pipe network and carry out normal work, and the trap is one kind and is arranged in steam pipe network and equipment, can automatic discharge condensate water, air and other noncondensable gas, and the valve that blocks water steam leakage, so can install the trap in steam pipe network usually and use, but current thermodynamic trap usually has following problem:

1. the existing thermal power drain valve acts by the change of steam pressure on a valve plate, and the valve plate has small acting force and inflexible sealing when the steam pressure is lower, so that the steam is easy to leak, and the thermal power of a steam system is easy to lose;

2. the steam that will leak can't be to recycle to lead to steam to be extravagant serious, can not pressurize the valve block on can not transferring the steam that leaks to the valve block simultaneously, can't increase the valve block and carry out confined stability.

Disclosure of Invention

The invention aims to provide a steam trap convenient for recovering steam heat energy, and aims to solve the problems that the existing steam trap with thermal power proposed in the background art operates by means of the change of steam pressure on a valve plate, the valve plate has small acting force and is inflexible to close when the steam pressure is low, so that the steam is easy to leak, the thermal power of a steam system is easily lost, the leaked steam cannot be recycled, the steam is seriously wasted, and meanwhile, the leaked steam cannot be transferred to the valve plate to pressurize the valve plate, so that the stability of closing the valve plate cannot be increased.

In order to achieve the purpose, the invention provides the following technical scheme: a trap valve convenient for steam heat energy recovery comprises a valve body, turbine blades, a piston, a pipe body and a valve plate, wherein a cylinder body is arranged at the lower end of the valve body, a mounting ring is arranged on the inner side of the cylinder body, the turbine blades are arranged on the inner side of the mounting ring, connecting grooves are formed in the outer surface of the mounting ring and the inner surface of the cylinder body, balls are arranged on the inner sides of the connecting grooves, the mounting ring is connected with the cylinder body through the balls, a driving rod is arranged below the turbine blades, a driving disc is arranged on the driving rod, the driving rod and the driving disc are both positioned on the inner side of the cylinder body, a groove rail is formed in the driving disc, rolling balls are arranged on the inner side of the groove rail, a connecting rod is arranged on the rolling balls, the piston is arranged on the connecting rod, a limit block is arranged, and the inner side of the limiting groove is provided with a reset spring, the reset spring is positioned below the limiting block, the limiting block is connected with the cylinder body through the reset spring, the outer side of the limiting groove is provided with a gas transmission pipeline, the bottom of the cylinder body is provided with an opening, the outer side of the opening is provided with a pipe body, the pipe body is connected with the lower end of the valve body, the lower side of the pipe body is provided with a sealing cover, the upper end of the pipe body is connected with a steam chamber, the lower side of the steam chamber is provided with a sealing chamber, the sealing chamber is arranged above the valve body, the inner side of the sealing chamber is provided with an installation cylinder, the installation cylinder is communicated with the steam chamber, the inner side of the installation cylinder is provided with an ejector rod, the outer side of the ejector rod is provided with a support rod, the support rod is positioned at the inner side of the adjusting groove, the outer, the valve block is arranged below the ejector rod and located on the inner side of the closed chamber, a connecting hole is formed in the valve block, a vertical rod is arranged on the inner side of the connecting hole, the upper end of the vertical rod is connected with the closed chamber, a valve port is arranged below the valve block, and a water outlet pipe is formed in the outer side of the valve port.

Preferably, the mounting ring is fixedly connected with the turbine blade, the mounting ring forms a rotating structure with the cylinder body through the balls, and the driving rod is fixedly mounted on the turbine blade.

Preferably, the driving disc is fixedly connected with the driving rod, the groove rail on the inner side of the driving disc is of an annular structure when viewed from top, the top and the bottom of the groove rail are of a wavy structure, and a sliding structure is formed between the rolling ball and the groove rail.

Preferably, the piston forms a sliding structure with the limiting groove through the limiting block, and the piston forms a telescopic structure with the return spring through the limiting block.

Preferably, the gas transmission pipeline is communicated with the limiting groove, and the gas transmission pipeline is symmetrically distributed on the outer side of the through hole.

Preferably, the installation cylinders are symmetrically distributed on the inner side of the closed chamber, and the installation cylinders are nested on the outer side of the ejector rod.

Preferably, the ejector rod forms a sliding structure through the supporting rod and the adjusting groove, and the ejector rod forms a telescopic structure through the connecting spring and the mounting cylinder.

Preferably, the vertical rod is overlooked as a cross-shaped structure, the vertical rod is in through connection with the valve plate through the connecting hole, and the vertical rod and the connecting hole are mutually matched.

Compared with the prior art, the invention has the beneficial effects that: the drain valve convenient for recovering the steam heat energy,

1. the steam to be leaked is recovered and transferred into the steam chamber through the pipe body, so that the steam is conveniently poured into the mounting cylinder to push the ejector rod, the ejector rod is favorably extended out of the mounting cylinder to push the valve plate, the defect of small acting force of the valve plate is overcome, and the stability of sealing the valve plate is improved;

2. when steam is filled into the cylinder body, the steam can penetrate through the turbine blade to push the turbine blade to drive the mounting ring to rotate, so that the driving rod drives the driving disc to synchronously rotate, and the rolling balls can slide in the groove rails;

3. when the spin moved along the grooved rail of wavy structure, the spin passed through the connecting rod and drove the piston and carry out concertina movement in the perforation this moment to be favorable to controlling the gas transmission pipeline in the spacing groove outside and open or close, thereby make things convenient for steam to circulate through gas transmission pipeline, conveniently retrieve to the steam that is about to leak and collect the use.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the connecting structure of the mounting cylinder and the carrier rod according to the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 1 according to the present invention;

FIG. 4 is an enlarged view of the structure at B in FIG. 1 according to the present invention;

FIG. 5 is a schematic top view of a drive disk according to the present invention;

FIG. 6 is an enlarged view taken along line A-A of FIG. 5 in accordance with the present invention;

fig. 7 is a schematic top view of the vertical rod of the present invention.

In the figure: 1. a valve body; 2. a barrel; 3. a mounting ring; 4. a turbine blade; 5. connecting grooves; 6. a ball bearing; 7. a drive rod; 8. a drive disc; 9. a groove rail; 10. rolling a ball; 11. a connecting rod; 12. a piston; 13. a limiting block; 14. a limiting groove; 15. perforating; 16. a return spring; 17. a gas pipeline; 18. an opening; 19. a pipe body; 20. a closure cap; 21. a steam chamber; 22. a closed chamber; 23. mounting the cylinder; 24. an adjustment groove; 25. a top rod; 26. a strut; 27. a connecting spring; 28. a valve plate; 29. connecting holes; 30. a vertical rod; 31. a valve port; 32. and (5) discharging a water pipe.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a trap convenient for steam heat energy recovery comprises a valve body 1, turbine blades 4, a piston 12, a pipe body 19 and a valve plate 28, wherein a cylinder body 2 is arranged at the lower end of the valve body 1, a mounting ring 3 is arranged on the inner side of the cylinder body 2, the turbine blades 4 are arranged on the inner side of the mounting ring 3, connecting grooves 5 are formed in the outer surface of the mounting ring 3 and the inner surface of the cylinder body 2, balls 6 are arranged on the inner side of the connecting grooves 5, the mounting ring 3 is connected with the cylinder body 2 through the balls 6, a driving rod 7 is arranged below the turbine blades 4, a driving disk 8 is arranged on the driving rod 7, the driving rod 7 and the driving disk 8 are both positioned on the inner side of the cylinder body 2, a groove rail 9 is formed on the driving disk 8, the rolling balls 10 are arranged on the inner side of the groove rail 9, a connecting rod 11 is arranged on the connecting rod 10, the piston 12 is, the limiting groove 14 is arranged at the outer side of the perforation 15, the inner side of the limiting groove 14 is provided with a return spring 16, the return spring 16 is positioned below the limiting block 13, the limiting block 13 is connected with the barrel body 2 through the return spring 16, the outer side of the limiting groove 14 is provided with a gas pipeline 17, the bottom of the barrel body 2 is provided with an opening 18, the outer side of the opening 18 is provided with a pipe body 19, the pipe body 19 is connected with the lower end of the valve body 1, a sealing cover 20 is arranged below the pipe body 19, the upper end of the pipe body 19 is connected with a steam chamber 21, a sealing chamber 22 is arranged below the steam chamber 21, the sealing chamber 22 is arranged above the valve body 1, the inner side of the sealing chamber 22 is provided with an installation barrel 23, the installation barrel 23 is communicated with the steam chamber 21, the inner side of the installation barrel 23 is provided with an adjusting groove 24, the inner side of, the support rod 26 is located on the inner side of the adjusting groove 24, the outer side of the ejector rod 25 is surrounded by a connecting spring 27, the connecting spring 27 is located on the inner side of the mounting cylinder 23, the ejector rod 25 is connected with the mounting cylinder 23 through the connecting spring 27, a valve plate 28 is arranged below the ejector rod 25, the valve plate 28 is located on the inner side of the closed chamber 22, a connecting hole 29 is formed in the valve plate 28, a vertical rod 30 is arranged on the inner side of the connecting hole 29, the upper end of the vertical rod 30 is connected with the closed chamber 22, a valve port 31 is arranged below the valve plate 28, and a water outlet pipe 32 is formed in the outer side of the.

In the embodiment, the mounting ring 3 is fixedly connected with the turbine blade 4, the mounting ring 3 forms a rotating structure with the cylinder body 2 through the balls 6, and the driving rod 7 is fixedly mounted on the turbine blade 4, so that the mounting ring 3 can be driven to rotate on the inner side of the cylinder body 2 through the balls 6 when steam passes through the turbine blade 4, and the turbine blade 4 is favorable for driving the driving rod 7 to synchronously rotate;

the driving disc 8 is fixedly connected with the driving rod 7, the groove rail 9 on the inner side of the driving disc 8 is of an annular structure when viewed from above, the top and the bottom of the groove rail 9 are of a wavy structure, and a sliding structure is formed between the rolling ball 10 and the groove rail 9, so that the rolling ball 10 can conveniently slide along the groove rail 9 of the wavy structure, and the rolling ball 10 can push the connecting rod 11 to synchronously move;

the piston 12 and the limiting groove 14 form a sliding structure through the limiting block 13, and the piston 12 and the return spring 16 form a telescopic structure through the limiting block 13, so that the connecting rod 11 can push the piston 12 to perform telescopic sliding motion on the inner side of the limiting groove 14 through the limiting block 13 while the rolling ball 10 drives the connecting rod 11 to perform synchronous motion;

the gas transmission pipeline 17 is communicated with the limiting groove 14, and the gas transmission pipeline 17 is symmetrically distributed on the outer side of the through hole 15, so that steam can conveniently pass through the limiting groove 14 and the gas transmission pipeline 17 to circulate, the steam can be conveniently collected to the lower end of the barrel body 2, the collected steam can be conveniently transferred and used, and the steam is prevented from being leaked and wasted;

the mounting cylinders 23 are symmetrically distributed on the inner side of the closed chamber 22, and the mounting cylinders 23 are nested on the outer side of the ejector rod 25, so that the ejector rod 25 can be conveniently and uniformly mounted through the mounting cylinders 23, and the valve plates 28 can be conveniently and uniformly pushed with force;

the ejector rod 25 and the adjusting groove 24 form a sliding structure through the supporting rod 26, the ejector rod 25 and the mounting cylinder 23 form a telescopic structure through the connecting spring 27, steam is favorably poured into the mounting cylinder 23 to push the ejector rod 25, so that the ejector rod 25 conveniently extends out of the mounting cylinder 23 to push the valve plate 28, and the defect of insufficient acting force of the valve plate 28 is overcome;

the vertical rod 30 is in a cross-shaped structure in a plan view, the vertical rod 30 is in penetrating connection with the valve plate 28 through the connecting hole 29, the vertical rod 30 and the connecting hole 29 are mutually matched, the valve plate 28 can conveniently slide upwards or downwards on the outer side of the vertical rod 30 through the connecting hole 29, the vertical rod 30 can position the valve plate 28, and the valve plate 28 is prevented from being displaced and dislocated in the transverse position.

The working principle is as follows: according to the figure 1, firstly, the valve body 1 is installed in a steam pipe network line, after steam enters the valve body 1 and reaches the cylinder body 2, the steam enters the valve port 31 from the opening at the upper end of the cylinder body 2, the valve sheet 28 can be jacked upwards by the initial steam by means of the pressure of the steam, under the condition of low outlet pressure, the steam volume is rapidly increased and expanded, the steam cannot flow out through the valve port 31 and starts to flow to the upper surface of the valve sheet 28 along the gap around the valve sheet 28 to be coalesced and increased, the pressure at the upper part of the valve sheet 28 is continuously increased, when the sum of the pressure of the steam action on the valve sheet 28 and the gravity of the valve sheet 28 is larger than the upward acting force of the steam under the valve sheet 28, the valve sheet 28 closes the valve port 31, when the steam on the valve sheet 28 is condensed due to heat release, the pressure on the valve sheet 28 is reduced, is discharged outwards through a water outlet pipe 32;

according to fig. 1 and 3, in the above process, when steam passes through the cylinder 2, the steam also passes through the turbine blade 4, at this time, the steam pushes the turbine blade 4 to perform a rotation motion, so that the turbine blade 4 drives the mounting ring 3 to perform a rotation motion work on the inner side of the cylinder 2 through the balls 6, while the turbine blade 4 performs a rotation motion, according to fig. 1 and 4, the turbine blade 4 at this time drives the driving rod 7 to perform a synchronous rotation motion, and at this time, the driving rod 7 drives the driving disk 8 to perform a synchronous rotation, while when the driving disk 8 performs a rotation motion, according to fig. 4, 5 and 6, the balls 10 at this time perform a sliding motion on the inner side of the groove rail 9, while the balls 10 perform a sliding motion, the balls 10 at this time, the bottom and the top of the wavy structure of the groove rail 9 move along, so that the balls 10 pull the piston 12 to perform a synchronous motion through the connecting rod 11, the piston 12 performs telescopic sliding motion on the inner side of the limiting groove 14 through the limiting block 13, when the piston 12 slides to the bottom of the through hole 15 through the limiting block 13 and the limiting groove 14, the gas transmission pipeline 17 on the outer side of the limiting groove 14 is opened at the moment, so that part of steam which penetrates through the turbine blade 4 and is poured into the cylinder 2 penetrates through the gas transmission pipeline 17 on the outer side of the through hole 15 and is poured into the lower end of the cylinder 2, and the steam in the lower end of the cylinder 2 penetrates through the opening 18 and is poured into the pipe body 19;

as shown in fig. 1 and 2, the steam injected into the tube 19 is introduced into the steam chamber 21, and the steam in the steam chamber 21 is injected into the mounting cylinder 23, the steam pushes the rod 25 to extend out of the mounting cylinder 23, so that the lift pins 25 protrude downward from the mounting cylinder 23 through the support rods 26 and the adjustment grooves 24, until the lift pins 25 come into contact with the upper surface of the valve sheet 28, the top rod 25 extending out of the mounting tube 23 pushes the valve plate 28, the valve plate 28 slides downwards on the outer surface of the vertical rod 30 through the connecting hole 29, the vertical rod 30 can limit the moving direction of the valve plate 28, the valve plate 28 is prevented from sliding displacement dislocation at the transverse position, the leakage of the closed structure is avoided, until valve block 28 seals valve port 31, avoid the closure that valve block 28 upper surface pressure is not enough and lead to unreliable, so make things convenient for steam heat to carry out the trap who retrieves to use conveniently.

It is to be understood that the terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the figures to facilitate a simplified description of the present invention, and do not indicate or imply that the devices or elements being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered as limiting the scope of the present invention.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a make things convenient for steam heat energy to carry out trap of retrieving, includes valve body (1), turbine leaf (4), piston (12), body (19) and valve block (28), its characterized in that: the lower end of the valve body (1) is provided with a cylinder body (2), the inner side of the cylinder body (2) is provided with a mounting ring (3), a turbine blade (4) is installed on the inner side of the mounting ring (3), a connecting groove (5) is formed in the outer surface of the mounting ring (3) and the inner surface of the cylinder body (2), a ball (6) is arranged on the inner side of the connecting groove (5), the mounting ring (3) is connected with the cylinder body (2) through the ball (6), a driving rod (7) is installed below the turbine blade (4), a driving disc (8) is installed on the driving rod (7), the driving rod (7) and the driving disc (8) are both located on the inner side of the cylinder body (2), a groove rail (9) is formed on the driving disc (8), a rolling ball (10) is arranged on the inner side of the groove rail (9), a connecting rod (11) is installed on the rolling ball (10), the outer side of the piston (12) is provided with a limiting block (13), the limiting block (13) is positioned on the inner side of a limiting groove (14), the limiting groove (14) is arranged on the outer side of a through hole (15), a return spring (16) is arranged on the inner side of the limiting groove (14), the return spring (16) is positioned below the limiting block (13), the limiting block (13) is connected with the barrel body (2) through the return spring (16), the outer side of the limiting groove (14) is provided with a gas transmission pipeline (17), the bottom of the barrel body (2) is provided with an opening (18), the outer side of the opening (18) is provided with a pipe body (19), the pipe body (19) is connected with the lower end of the valve body (1), a sealing cover (20) is arranged below the pipe body (19), the upper end of the pipe body (19) is connected with a steam chamber (21), and a sealing chamber (22) is arranged below the steam chamber (, and the sealing chamber (22) is arranged above the valve body (1), the inner side of the sealing chamber (22) is provided with an installation cylinder (23), the installation cylinder (23) is communicated with the steam chamber (21), the inner side of the installation cylinder (23) is provided with an adjusting groove (24), the inner side of the installation cylinder (23) is provided with an ejector rod (25), the outer side of the ejector rod (25) is provided with a support rod (26), the support rod (26) is positioned at the inner side of the adjusting groove (24), the outer side of the ejector rod (25) is surrounded with a connecting spring (27), the connecting spring (27) is positioned at the inner side of the installation cylinder (23), the ejector rod (25) is connected with the installation cylinder (23) through the connecting spring (27), a valve plate (28) is arranged below the ejector rod (25), the valve plate (28) is positioned at the inner side of the sealing chamber (22), and the valve plate (28) is provided with a connecting hole (, a vertical rod (30) is arranged on the inner side of the connecting hole (29), the upper end of the vertical rod (30) is connected with the closed chamber (22), a valve port (31) is arranged below the valve plate (28), and a water outlet pipe (32) is arranged on the outer side of the valve port (31);

the driving disc (8) is fixedly connected with the driving rod (7), the groove rail (9) on the inner side of the driving disc (8) is of an annular structure when viewed from top, the top and the bottom of the groove rail (9) are of a wavy structure, and a sliding structure is formed between the rolling ball (10) and the groove rail (9).

2. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the mounting ring (3) is fixedly connected with the turbine blade (4), the mounting ring (3) forms a rotating structure with the cylinder body (2) through the balls (6), and the turbine blade (4) is fixedly provided with the driving rod (7).

3. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the piston (12) and the limiting groove (14) form a sliding structure through the limiting block (13), and the piston (12) and the return spring (16) form a telescopic structure through the limiting block (13).

4. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the gas transmission pipeline (17) is communicated with the limiting groove (14), and the gas transmission pipeline (17) is symmetrically distributed on the outer side of the through hole (15).

5. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the installation cylinders (23) are symmetrically distributed on the inner side of the closed chamber (22), and the installation cylinders (23) are nested on the outer side of the ejector rod (25).

6. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the ejector rod (25) and the adjusting groove (24) form a sliding structure through the support rod (26), and the ejector rod (25) and the mounting cylinder (23) form a telescopic structure through the connecting spring (27).

7. The trap of claim 1 wherein said trap is adapted to facilitate recovery of steam heat energy by: the vertical rod (30) is of a cross-shaped structure in plan view, the vertical rod (30) is connected with the valve plate (28) in a penetrating mode through the connecting hole (29), and the vertical rod (30) is matched with the connecting hole (29).