CN217978327U

CN217978327U - Steam trap

Info

Publication number: CN217978327U
Application number: CN202222543889.0U
Authority: CN
Inventors: 朱世湖; 陶乃扬; 朱杰
Original assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Current assignee: Anhui Qiujing Machinery Manufacturing Co ltd
Priority date: 2022-09-26
Filing date: 2022-09-26
Publication date: 2022-12-06
Anticipated expiration: 2032-09-26

Abstract

The utility model discloses a steam trap, which relates to the technical field of valves and aims at the problems that the prior steam trap is not thorough in separation of steam and condensed water, certain loss can be caused to the steam when the condensed water is discharged, a filter screen is inconvenient to replace, and the using effect is poor, the utility model provides a scheme, which comprises a steam trap valve shell, wherein an inlet pipe, a steam discharging pipe and a connecting pipe are fixedly communicated on the steam trap valve shell, a flange is fixedly arranged at one end of the inlet pipe and the steam discharging pipe, which is far away from the steam trap valve shell, and a valve cap is arranged on the steam trap valve shell through bolts; a first groove, a second groove and a pressure-changing groove are formed in the steam trap shell. The utility model relates to a rationally, steam and condensate separation are comparatively thorough, can not cause the loss to steam during the discharge comdenstion water, and are convenient for change the filter screen, excellent in use effect.

Description

Steam trap

Technical Field

The utility model relates to the technical field of valves, especially, relate to a steam trap.

Background

The steam trap has the function of automatically discharging non-condensable gases such as steam condensate and air in heating equipment or a steam pipeline without leaking steam. The steam trap has the functions of blocking steam and draining water, so that the steam heating equipment can supply heat uniformly, and latent heat of steam is fully utilized to prevent water hammer in the steam pipeline. To avoid steam loss during use of steam traps, a need exists for steam traps.

However, in the existing steam trap, the separation of steam and condensed water is not thorough enough, certain loss can be caused to steam when the condensed water is discharged, the filter screen is inconvenient to replace, and the using effect is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current steam trap, steam and condensate water separation are thorough inadequately, can cause certain loss to steam during the discharge comdenstion water, and inconvenient changes the filter screen, the poor shortcoming of result of use, and a steam trap that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a steam trap valve comprises a steam trap valve shell, wherein an inlet pipe, a steam discharge pipe and a connecting pipe are fixedly communicated with the steam trap valve shell, flanges are fixedly arranged at one ends of the inlet pipe and the steam discharge pipe, which are far away from the steam trap valve shell, a valve cap is arranged on the steam trap valve shell through bolts, and a threaded cover is connected with the bottom end of the connecting pipe in a threaded manner;

the steam trap is characterized in that a first groove, a second groove and a variable pressure groove are formed in the steam trap shell, the first groove and the variable pressure groove are communicated with the connecting pipe, the second groove is communicated with the variable pressure groove, the inlet pipe is communicated with the first groove, the steam discharge pipe is communicated with the second groove, a valve block is rotationally arranged in the variable pressure groove, and a cooling liquid discharge elbow is fixedly communicated with the inner wall of the second groove.

In a preferred embodiment, a communication hole is formed in the steam trap housing, and the first groove and the connecting pipe are both communicated with the communication hole.

In a preferred embodiment, an inlet hole is formed in the steam trap casing, the pressure-changing groove and the connecting pipe are both communicated with the inlet hole, and the inlet hole is matched with the valve plate.

In a preferred embodiment, a diversion hole is formed in the steam trap shell, and the variable pressure groove and the second groove are both communicated with the diversion hole.

In a preferred embodiment, a filter screen is arranged in the connecting pipe, and the threaded cover is in contact with the filter screen.

In a preferred embodiment, a plurality of positioning seats are fixedly arranged on the inner wall of the connecting pipe, and the plurality of positioning seats are all in contact with the filter screen.

In the utility model, the steam trap valve is arranged at a designated position through two flanges, when only cooling liquid enters the inlet pipe, the cooling liquid enters the connecting pipe through the communicating hole, the filter screen filters the cooling liquid, the cooling liquid jacks up the valve block under the action of pressure, the cooling liquid enters the second groove through the pressure-changing groove, and the cooling liquid is discharged through the cooling liquid discharging elbow pipe under the action of the siphon principle; when only steam enters the inlet pipe, the steam jacks up the valve plate to enter the variable pressure groove through the first groove and the inlet hole under the action of pressure, and the steam is discharged from the steam discharge pipe through the diversion hole and the second groove; when steam and cooling liquid enter the inlet pipe simultaneously, the cooling liquid and the steam enter the second groove through the jacking valve plate under the action of pressure, the steam is discharged through the steam discharge pipe under the action of gravity, and the cooling liquid is discharged through the cooling liquid discharge elbow pipe;

in the steam trap, when the filter screen is maintained and replaced, only the threaded cover needs to be screwed off to take out the filter screen;

the utility model relates to a rationally, steam and condensate water separation are comparatively thorough, can not cause the loss to steam during the discharge comdenstion water, and are convenient for change the filter screen, excellent in use effect.

Drawings

FIG. 1 is a schematic perspective view of a steam trap according to the present invention;

FIG. 2 is a schematic sectional view of a steam trap according to the present invention;

FIG. 3 is a schematic view of the structure of part A of a steam trap according to the present invention;

fig. 4 is a schematic view of a three-dimensional structure of a steam trap of the present invention.

In the figure: 1. a steam trap valve housing; 2. feeding a pipe; 3. a steam discharge pipe; 4. a flange; 5. a bonnet; 6. a connecting pipe; 7. a threaded cap; 8. a first groove; 9. a second groove; 10. a variable pressure tank; 11. a communicating hole; 12. an inlet orifice; 13. a flow guide hole; 14. a valve plate; 15. filtering with a screen; 16. positioning seats; 17. and a cooling liquid discharge elbow.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-4, the present solution provides an embodiment: a steam trap comprises a steam trap valve shell 1, wherein a pipe inlet 2, a steam discharge pipe 3 and a connecting pipe 6 are fixedly communicated with the steam trap valve shell 1, flanges 4 are fixedly arranged at one ends, far away from the steam trap valve shell 1, of the pipe inlet 2 and the steam discharge pipe 3, a valve cap 5 is arranged on the steam trap valve shell 1 through bolts, and a threaded cover 7 is connected with the bottom end of the connecting pipe 6 through threads;

a first groove 8, a second groove 9 and a pressure-changing groove 10 are formed in the steam trap valve shell 1, the first groove 8 and the pressure-changing groove 10 are communicated with a connecting pipe 6, the second groove 9 is communicated with the pressure-changing groove 10, the inlet pipe 2 is communicated with the first groove 8, the steam discharge pipe 3 is communicated with the second groove 9, a valve plate 14 is rotationally arranged in the pressure-changing groove 10, and a cooling liquid discharge elbow 17 is fixedly communicated with the inner wall of the second groove 9.

Referring to fig. 2, in the present embodiment, a communication hole 11 is formed in the steam trap valve housing 1, and the first groove 8 and the connection pipe 6 are both communicated with the communication hole 11, so as to filter the condensed water.

Referring to fig. 2, in this embodiment, an inlet hole 12 is formed in the steam trap valve housing 1, the pressure-varying tank 10 and the connecting pipe 6 are both communicated with the inlet hole 12, and the inlet hole 12 is adapted to the valve plate 14, so that steam and condensed water can enter the pressure-varying tank 10.

Referring to fig. 2, in this embodiment, a diversion hole 13 is formed in the steam trap valve housing 1, and the pressure-changing groove 10 and the second groove 9 are both communicated with the diversion hole 13, so that steam and condensed water can enter the second groove 9 conveniently.

Referring to fig. 2, in this embodiment, a filter screen 15 is disposed in the connecting pipe 6, and the screw cap 7 contacts with the filter screen 15, so as to replace the filter screen 15.

Referring to fig. 3, in this embodiment, the inner wall of the connecting pipe 6 is fixedly provided with a plurality of positioning seats 16, and the plurality of positioning seats 16 are all in contact with the filter screen 15, so as to position the filter screen 15.

The working principle is that firstly, the steam trap valve shell 1 is installed at a designated position through two flanges 4, when only cooling liquid enters the inlet pipe 2, the cooling liquid enters the connecting pipe 6 through the communicating hole 11, the filter screen 15 filters the cooling liquid, the valve plate 14 is jacked up by the cooling liquid under the action of pressure, the cooling liquid enters the second tank 9 through the pressure change tank 10, and the cooling liquid is discharged through the cooling liquid discharge elbow pipe 17 under the action of the siphon principle; when only steam enters the steam inlet pipe 2, the steam jacks up the valve plate 14 to enter the pressure changing groove 10 through the first groove 8 and the inlet hole 12 under the action of pressure, and the steam is discharged from the steam discharge pipe 3 through the flow guide hole 13 and the second groove 9; when steam and cooling liquid enter the inlet pipe 2 at the same time, the cooling liquid and the steam enter the second groove 9 through the jacking valve plate 14 under the action of pressure, the steam is discharged through the steam discharge pipe 3 under the action of gravity, and the cooling liquid is discharged through the cooling liquid discharge elbow pipe 17; when the filter screen 15 is maintained and replaced, the threaded cover 7 is screwed down to take out the filter screen 15.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A steam trap, comprising:

the steam trap comprises a steam trap shell (1), wherein a pipe inlet (2), a steam discharge pipe (3) and a connecting pipe (6) are fixedly communicated with the steam trap shell (1), flanges (4) are fixedly mounted at one ends, far away from the steam trap shell (1), of the pipe inlet (2) and the steam discharge pipe (3), a valve cap (5) is mounted on the steam trap shell (1) through bolts, and a threaded cover (7) is connected with the bottom end of the connecting pipe (6) in a threaded manner;

the steam trap is characterized in that a first groove (8), a second groove (9) and a variable pressure groove (10) are formed in the steam trap shell (1), the first groove (8) is communicated with the variable pressure groove (10) through the connecting pipe (6), the second groove (9) is communicated with the variable pressure groove (10), the inlet pipe (2) is communicated with the first groove (8), the steam discharge pipe (3) is communicated with the second groove (9), a valve block (14) is arranged in the variable pressure groove (10) in a rotating mode, and a cooling liquid discharge elbow (17) is fixedly communicated with the inner wall of the second groove (9).

2. A steam trap as defined in claim 1 wherein: a communicating hole (11) is formed in the steam trap shell (1), and the first groove (8) and the connecting pipe (6) are communicated with the communicating hole (11).

3. A steam trap as defined in claim 1 wherein: an inlet hole (12) is formed in the steam trap shell (1), the variable pressure groove (10) and the connecting pipe (6) are communicated with the inlet hole (12), and the inlet hole (12) is matched with the valve plate (14).

4. A steam trap as defined in claim 1 wherein: a diversion hole (13) is formed in the steam trap shell (1), and the pressure-changing groove (10) and the second groove (9) are communicated with the diversion hole (13).

5. A steam trap as defined in claim 1 wherein: be equipped with filter screen (15) in connecting pipe (6), screw cap (7) with filter screen (15) contact.

6. A steam trap according to claim 5 wherein: the inner wall of the connecting pipe (6) is fixedly provided with a plurality of positioning seats (16), and the positioning seats (16) are all in contact with the filter screen (15).