CN215982488U

CN215982488U - One-way air release device of steam generator

Info

Publication number: CN215982488U
Application number: CN202121245076.2U
Authority: CN
Inventors: 刘凯
Original assignee: Shanghai Boxun Medical Biological Instrument Corp
Current assignee: Shanghai Boxun Medical Biological Instrument Corp
Priority date: 2021-06-04
Filing date: 2021-06-04
Publication date: 2022-03-08
Anticipated expiration: 2031-06-04

Abstract

The utility model discloses a one-way air release device of a steam generator, which relates to the field of one-way air release devices of steam generators and comprises a valve seat, a valve core and a sealing ring, wherein the valve core is movably arranged in the valve seat through an adjusting assembly, the sealing ring is fixedly connected to the upper end of the side surface of the valve core, the adjusting assembly comprises a bolt, a spring and a fixing piece, an inner cavity is formed in the valve seat, the valve core is movably arranged in the inner cavity and the bolt, the bolt is connected to the bottom of the inner cavity through threads, the spring is sleeved on the side surface of the valve core, the fixing piece is integrally connected to the upper end of the side surface of the valve core, one end of the spring is fixedly connected to the bottom of the fixing piece, the other end of the spring is fixedly connected to the upper part of the bolt, and the valve core is in clearance fit with the inner wall of an opening above the inner cavity. Facilitating vapor flow from the gap between the valve element and the interior cavity. The utility model is convenient for leading out the cold air in the steam generator completely before the pressure in the steam generator reaches the set pressure value.

Description

One-way air release device of steam generator

Technical Field

The utility model relates to the field of a one-way air discharging device of a steam generator, in particular to the one-way air discharging device of the steam generator.

Background

The steam generator is used as an important matching product of a sterilizer product, and the purity of steam generated by the steam generator influences the sterilization effect of the sterilizer product, so that cold air in the steam generator can be completely removed in the steam generation stage, and the steam generator is particularly important for providing a high-quality steam source for the sterilizer. At present, a vertical sterilizer or a horizontal sterilizer product with the specification of more than 100 liters generally uses an external steam generator as a steam source providing device and is connected with the sterilizer product through a pipeline, and in the initial stage of heating, because cold air exists in the steam generator, if the pressure of the steam reaches, the temperature is low, and meanwhile, the cold air mixed in the steam can prolong the temperature rise time of the sterilizer and influence the sterilization effect. Therefore, a one-way venting device is generally provided in the steam generator to discharge the inside cool air.

The existing one-way air venting device can lead out cold air inside the steam generator when in use, but can not lead out the cold air inside the steam generator completely when the internal pressure of the steam generator reaches a set value.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to provide a one-way air release device of a steam generator, which can effectively solve the problem that cold air in the steam generator cannot be completely led out when the internal pressure of the steam generator reaches a set value in the conventional one-way air release device in the background art.

In order to achieve the purpose, the utility model adopts the technical scheme that: the one-way air emptying device of the steam generator comprises a valve seat, a valve core and a sealing ring, wherein the valve seat, the valve core and the sealing ring are fixed on a steam generator main body; disk seat fixed mounting is at the steam generator top, steam generator begins to heat the back, the inside cold air of steam generation is heated the inflation, and outwards discharge through one-way atmospheric valve, rise to about eighty degree at the temperature, the inside cold air of steam generation can be followed one-way atmospheric valve and is discharged totally gradually, the inside cold air of disk seat and partial steam can produce ascending pressure simultaneously, upwards promote the case under this pressure, promote the sealing washer to the interior top of disk seat gradually, finally make the interior top of sealing washer and disk seat produce sealed effect, and it is totally enclosed when steam generator inside temperature reaches one hundred degrees, guarantee that steam is not revealed, even get steam generator and external passageway and cut off, cold air discharge process accomplishes. After the steam generator stops heating, the water in the steam generator can be gradually cooled, the pressure in the steam generator can be also reduced, when the pressure in the inner chamber of the steam generator is reduced to generate negative pressure, the valve core can move downwards under the action of atmospheric pressure, so that the sealing ring is separated from the valve seat, the steam generator is completely communicated with the atmosphere through the device, the effect of preventing the negative pressure from being generated in the steam generator is achieved, and meanwhile, the preparation is made for removing cold air for the next heating.

The adjusting assembly comprises a bolt, a spring and a fixing piece, an inner cavity is formed in the valve seat, the valve core is movably arranged in the inner cavity and the bolt, the bolt is connected to the bottom of the inner cavity through threads, the spring is sleeved on the side face of the valve core, the fixing piece is integrally connected to the upper end of the side face of the valve core, one end of the spring is fixedly connected to the bottom of the fixing piece, and the other end of the spring is fixedly connected to the upper portion of the bolt. When the case does not receive steam to act on, the spring supports the case through the stationary blade, promote the structure of stationary blade and case when steam produces and make the case rise, until with the sealing washer pressfitting at the inboard top of inner chamber, be convenient for make sealing washer and inner chamber inner wall pressfitting department form seal structure, the case rises the in-process spring extension, the structure of bolt is convenient for adjust the case and rises the length of the longest extension of in-process spring, make the atress of spring can be adjusted, and then can adjust the closing pressure of case.

Preferably, the valve core is in clearance fit with the inner wall of the upper opening of the inner cavity. Facilitating vapor flow from the gap between the valve element and the interior cavity.

Preferably, sealing washer and stationary blade are hollow cylinder structure and external diameter the same, sealing washer and stationary blade and the lateral wall clearance fit of inner chamber. The steam is convenient for discharge through the clearance that sealing washer and stationary blade and the lateral wall of inner chamber formed.

Preferably, the valve core slides in the inner cavity, a through hole is formed in the middle of the inner part of the bolt, and the valve core slides in the through hole. The valve core can slide in the bolt conveniently, so that the steam can push the valve core to rise conveniently, and the valve core can reset conveniently.

Preferably, an air passage is formed in the lower end of the valve core, and an air hole communicated with the air passage is formed in the upper end of the valve core. Steam conveniently enters the valve seat to push the fixing piece and the valve core to enable the valve core to ascend.

Preferably, the lower end of the side surface of the valve seat is provided with a thread groove for connecting with the steam generator main body. Facilitating the mounting of the valve seat on the steam generator.

Preferably, the upper opening of the inner cavity is chamfered. Facilitating the rapid discharge of steam.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, after the steam generator starts to be heated, cold air in the steam generator expands due to heating, so that the fixing sheet and the valve core are conveniently pushed to be pushed upwards, the cold air is completely discharged until the temperature in the steam generator reaches one hundred ℃, and at the moment, the sealing ring and the inner top wall of the inner cavity are pressed together, so that the device is integrally and completely sealed, the steam is ensured not to be leaked, namely the steam generator is isolated from an external channel, the cold air discharge process is completed, and the cold air in the steam generator is conveniently and completely led out before the pressure in the steam generator reaches a set pressure value.

Drawings

FIG. 1 is a perspective view of the one-way venting device with a valve core upper end structure of the steam generator of the present invention;

FIG. 2 is a perspective view of the one-way venting device with valve core bottom structure of the steam generator of the present invention;

FIG. 3 is a schematic sectional view of the one-way venting device of the steam generator according to the present invention;

FIG. 4 is a perspective view of the valve core and the structure arranged thereon of the unidirectional air release device of the steam generator of the present invention;

FIG. 5 is a front view of the valve cartridge and the structure arranged thereon of the one-way venting device of the steam generator of the present invention.

In the figure: 1. a valve seat; 2. a valve core; 3. an adjustment assembly; 31. a bolt; 32. a spring; 33. a fixing sheet; 4. an inner cavity; 5. a seal ring; 6. a through hole; 7. an airway; 8. air holes; 9. a thread groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the utility model relates to a one-way venting device of a steam generator, which comprises a valve seat 1 fixed on a steam generator main body, a valve core 2 and a sealing ring 5, wherein the valve core 2 is movably arranged inside the valve seat 1 through an adjusting component 3, and the sealing ring 5 is fixedly connected to the upper end of the side surface of the valve core 2; disk seat 1 fixed mounting is at the steam generator top, steam generator begins to heat the back, steam generation inside cold air is heated the inflation, and outwards discharge through one-way atmospheric valve, rise to about eighty degree at the temperature, steam generation inside cold air can be followed one-way atmospheric valve and discharged totally gradually, simultaneously 1 inside cold air of disk seat and partial steam can produce ascending pressure, upwards promote case 2 under this pressure, promote sealing washer 5 gradually to disk seat 1 interior top, finally make sealing

washer

5 and 1 interior top of disk seat produce sealed effect, and it is totally enclosed when steam generator inside temperature reaches a hundred degrees, guarantee that steam is not revealed, even get steam generator and external passageway and cut off, cold air discharge process accomplishes. After the steam generator stops heating, the water in the steam generator can be gradually cooled, the pressure in the steam generator also drops, when the pressure in the inner chamber of the steam generator drops to generate negative pressure, the valve core 2 can move downwards under the action of atmospheric pressure, the sealing ring 5 is separated from the valve seat 1, the steam generator is completely communicated with the atmosphere through the device, the effect of preventing the negative pressure from being generated in the steam generator is achieved, and meanwhile, the preparation is made for removing cold air for the next heating.

Through this one-way air release device of steam generator, derive the inside cold air of steam generator completely before steam generator internal pressure reaches the setting value for the cold air in the steam generator is got rid of in advance, provides high-quality steam for high-efficient sterilization article.

Adjusting part 3 includes bolt 31, spring 32 and stationary blade 33, inner chamber 4 has been seted up to the inside of disk seat 1, case 2 activity sets up in the inside of inner chamber 4 and bolt 31, bolt 31 passes through threaded connection in the bottom of inner chamber 4, the side at case 2 is established to spring 32 cover, stationary blade 33 body coupling is in the side upper end of case 2, the one end fixed connection of spring 32 is in the bottom of stationary blade 33, the other end fixed connection of spring 32 is in the top of bolt 31. When case 2 does not receive steam to act on, spring 32 supports case 2 through stationary blade 33, promote stationary blade 33 and case 2's structure when steam produces and make case 2 rise, until with sealing washer 5 pressfitting at the inside top of inner chamber 4, be convenient for make

sealing washer

5 and 4 inner wall pressfitting departments of inner chamber form seal structure, case 2 rises the in-process spring 32 extension, bolt 31's structure is convenient for adjust the length of the ascending in-process longest extension of spring 32 of case 2, make the atress of spring 32 can be adjusted, and then can adjust case 2's closing pressure. The device has the advantages of simple structure, high efficiency, energy conservation and convenient installation and maintenance, and is convenient for completely guiding out the cold air in the steam generator before the pressure value in the steam generator is reached.

Wherein, the valve core 2 is in clearance fit with the inner wall of the upper opening of the inner cavity 4. Facilitating the passage of steam from the gap between the core 2 and the cavity 4.

Wherein, sealing washer 5 and stationary blade 33 are hollow cylinder structure and external diameter the same, and sealing washer 5 and stationary blade 33 are with the lateral wall clearance fit of inner chamber 4. The steam is easily discharged through the gap formed by the sealing ring 5 and the fixing piece 33 and the side wall of the inner cavity 4.

Wherein, the valve core 2 slides in the inner cavity 4, the middle of the inner part of the bolt 31 is provided with a through hole 6, and the valve core 2 slides in the through hole 6. The sliding of the valve core 2 in the bolt 31 is facilitated, so that the steam is convenient to push the valve core 2 to ascend, and the valve core 2 is convenient to reset.

Wherein, the lower extreme of case 2 is inside to be seted up air flue 7, and the upper end of case 2 is inside to be seted up the gas pocket 8 with air flue 7 intercommunication each other. Steam is facilitated to enter the inside of the valve seat 1 to push the fixing piece 33 and the valve core 2 so that the valve core 2 is lifted.

Wherein, the lower end of the side surface of the valve seat 1 is provided with a thread groove 9 for connecting with the steam generator main body. Facilitating the mounting of the valve seat 1 on the steam generator.

Wherein, the upper opening of the inner cavity 4 is arranged in a chamfer way. Facilitating the rapid discharge of steam.

The working principle of the utility model is as follows:

referring to fig. 1-5, the one-way vent device for a steam generator of the present invention comprises a valve seat 1 fixedly installed on the top of the steam generator, after the steam generator starts to heat, cool air inside the steam generator expands due to heating and is discharged through a one-way vent valve, when the temperature rises to about eighty degrees, the cool air inside the steam generator is gradually discharged from the one-way vent valve, and meanwhile, the cool air and part of the steam inside the valve seat 1 generate upward pressure, under which a fixing piece 33 and a valve core 2 are pushed upward to gradually push a sealing ring 5 to the inner top of the valve seat 1, so as to generate a sealing effect between the sealing ring 5 and the inner top of the valve seat 1, and to completely seal when the temperature inside the steam generator reaches one hundred degrees, thereby preventing the steam from leaking, i.e. the steam generator is isolated from an external channel, the cool air discharge process is completed. After the steam generator stops heating, inside water can cool off gradually, and its inside pressure also constantly descends, when the pressure of steam generator inner chamber drops to and produces the negative pressure, under the atmospheric pressure effect, case 2 can move down, makes the interior roof separation of inner chamber 4 in sealing washer 5 and the disk seat 1, and steam generator communicates completely through this device and atmosphere, plays and prevents inside production negative pressure effect, gets rid of cold air and prepares for heating next time simultaneously.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. One-way atmospheric device of steam generator, its characterized in that: the steam generator valve comprises a valve seat (1), a valve core (2) and a sealing ring (5), wherein the valve core (2) is fixed on a steam generator main body, the valve core is movably arranged inside the valve seat (1) through an adjusting component (3), and the sealing ring (5) is fixedly connected to the upper end of the side face of the valve core (2);

adjusting part (3) includes bolt (31), spring (32) and stationary blade (33), inner chamber (4) have been seted up to the inside of disk seat (1), case (2) activity sets up the inside at inner chamber (4) and bolt (31), bolt (31) are through the bottom of threaded connection in inner chamber (4), the side at case (2) is established in spring (32), stationary blade (33) body coupling is in the side upper end of case (2), the one end fixed connection of spring (32) is in the bottom of stationary blade (33), the other end fixed connection of spring (32) is in the top of bolt (31).

2. The steam generator one-way venting device of claim 1, further comprising: the valve core (2) is in clearance fit with the inner wall of the upper opening of the inner cavity (4).

3. The steam generator one-way venting device of claim 2, further comprising: sealing washer (5) and stationary blade (33) are hollow cylinder structure and external diameter the same, the lateral wall clearance fit of sealing washer (5) and stationary blade (33) and inner chamber (4).

4. The steam generator one-way venting device of claim 1, further comprising: the valve core (2) slides in the inner cavity (4), a through hole (6) is formed in the middle of the inner portion of the bolt (31), and the valve core (2) slides in the through hole (6).

5. The steam generator one-way venting device of claim 1, further comprising: an air flue (7) is formed in the lower end of the valve core (2), and an air hole (8) communicated with the air flue (7) is formed in the upper end of the valve core (2).

6. The steam generator one-way venting device of claim 1, further comprising: the lower end of the side surface of the valve seat (1) is provided with a thread groove (9) used for being connected with a steam generator main body.

7. The steam generator one-way venting device of claim 1, further comprising: the upper opening of the inner cavity (4) is chamfered.