CN217329365U

CN217329365U - Compressed air drainage device

Info

Publication number: CN217329365U
Application number: CN202220069709.7U
Authority: CN
Inventors: 仇宏业; 李成林
Original assignee: Jiangsu Nanre Generating Co ltd
Current assignee: Jiangsu Nanre Generating Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-08-30
Anticipated expiration: 2032-01-11

Abstract

The application discloses a compressed air drainage device for reducing the condition that a dry pneumatic ash removal system generates blocked ash. The application includes: the device comprises a steam trap, an air inlet pipeline, an air outlet pipeline, a drain pipeline and a drain valve; the drain pipe is connected with the bottom of the steam trap; the drain valve is arranged on the drain pipeline and is used for draining accumulated water retained in the steam trap; the air inlet pipeline is connected with the top of the steam trap and extends into the steam trap by a first preset pipeline length; the air outlet pipeline is connected with the bottom of the steam trap and extends into the steam trap for a second preset pipeline length, and the second preset pipeline length is larger than the first preset pipeline length, and the total length of the second preset pipeline length and the first preset pipeline length is smaller than the body height of the steam trap.

Description

Compressed air drainage device

Technical Field

The application relates to the field of compressed air, in particular to a compressed air drainage device.

Background

The dry pneumatic ash-removing system is an ash-removing system which uses compressed air as conveying medium and power to convey the fine ash of ash-collecting hoppers of boiler flue and dust remover, etc. to a storage device by means of pipeline. The dry type pneumatic ash handling system can be divided into a negative pressure type and a positive pressure type according to the pressure of conveying air, the air and the ash in the ash collecting hopper are sucked into the conveying pipeline by the negative pressure pneumatic ash handling system under the suction action of the air pumping equipment and conveyed to the ash discharging facility, after air-ash separation, the dust is conveyed into the ash storehouse through the ash discharging device, and the purified air is discharged into the atmosphere through the air pumping equipment. The positive pressure pneumatic ash-removing system can be divided into a low pressure type and a pressure type according to the difference of the pressure and the conveying concentration of a conveying medium, and dilute phase conveying and dense phase conveying.

At present, the compressed air used by the dry type pneumatic ash removal system can be influenced by external environmental factors to generate condensed water in an air pipe in the process of manufacturing and conveying, and the generated condensed water can lead to the situation of ash blockage in an ash dredging pipe, so that the ash collecting hopper cannot normally work due to unsmooth drainage.

SUMMERY OF THE UTILITY MODEL

The application provides a compressed air hydrophobic device, can reduce the condition that dry-type strength ash handling system produced stifled ash.

The application provides a compressed air hydrophobic means, includes: the device comprises a steam trap, an air inlet pipeline, an air outlet pipeline, a steam trap pipeline and a steam trap;

the drain pipe is connected with the bottom of the steam trap;

the drain valve is arranged on the drain pipeline and is used for draining accumulated water retained in the steam trap;

the air inlet pipeline is connected with the top of the steam trap and extends into the steam trap by a first preset pipeline length;

the air outlet pipeline is connected with the bottom of the steam trap and extends into the steam trap for a second preset pipeline length, and the second preset pipeline length is larger than the first preset pipeline length, and the total length of the second preset pipeline length and the first preset pipeline length is smaller than the body height of the steam trap.

Optionally, 2/3 where the second predetermined conduit length is less than the height of the body of the steam trap and greater than the height of the body of the steam trap.

Optionally, the trap is an electric trap.

Optionally, the compressed air drainage device further comprises: a hydrophobic filter;

the hydrophobic filter is arranged on the hydrophobic pipeline;

the hydrophobic filter is installed between the hydrophobic valve and the steam trap.

Optionally, the compressed air drainage device further comprises: an intake valve;

the air inlet valve is installed on the air inlet pipeline outside the steam trap.

Optionally, the air inlet valve is an electric air inlet valve.

Optionally, the compressed air drainage device further comprises: an air outlet valve;

the air outlet valve is arranged on the air outlet pipeline outside the steam trap.

Optionally, the air outlet valve is an electric air inlet valve.

Optionally, the steam trap is a cylindrical closed container.

Optionally, the compressed air drainage device further comprises: a liquid level indicator;

the liquid level indicator is mounted at the bottom of the steam trap.

According to the technical scheme, the method has the following effects:

the drain pipe is connected with the bottom of the drain device; the drain valve is arranged on the drain pipeline and is used for draining accumulated water retained in the steam trap; the air inlet pipeline is connected with the top of the steam trap and extends into the steam trap by a first preset pipeline length; the air outlet pipeline is connected with the bottom of the steam trap and stretches into the steam trap for the second preset pipeline length, the second preset pipeline length is larger than the first preset pipeline length, and the total length of the second preset pipeline length and the first preset pipeline length is smaller than the body height of the steam trap. Like this, when admission line lets in compressed air to the steam trap, the comdenstion water among the compressed air can be attached to on the steam trap inner wall or fall in the steam trap bottom under the effect of gravity, and the compressed air after gas-water separation is in getting into the pipe way of dredging ash through the pipeline of giving vent to anger, can reduce the comdenstion water content among the compressed air who is used for the ash removal like this to reduce the condition that dry-type pneumatic dust removal system produced stifled ash.

Drawings

Fig. 1 is a schematic structural view of a compressed air trap in the present application.

Detailed Description

In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for explaining relative positional relationships between the respective members or components, and do not particularly limit specific mounting orientations of the respective members or components.

Moreover, some of the above terms may be used in other meanings besides orientation or positional relationship, for example, the term "upper" may also be used in some cases to indicate a certain attaching or connecting relationship. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be.

In addition, the structures, the proportions, the sizes, and the like, which are illustrated in the accompanying drawings and described in the present application, are intended to be considered illustrative and not restrictive, and therefore, not limiting, since those skilled in the art will understand and read the present application, it is understood that any modifications of the structures, changes in the proportions, or adjustments in the sizes, which are not necessarily essential to the practice of the present application, are intended to be within the scope of the present disclosure without affecting the efficacy and attainment of the same.

The application provides a compressed air drainage device for reducing the condition that a dry pneumatic ash removal system produces stifled ash.

The compressed air dewatering device is applied to a dry type pneumatic ash removal system, and dewatering treatment is carried out on compressed air before the compressed air for ash is conveyed to an ash removal pipeline, so that the content of condensed water in the compressed air is reduced.

Referring to fig. 1, the compressed air drainage device in this embodiment includes: the device comprises a steam trap 1, an air inlet pipeline 2, an air outlet pipeline 3, a drain pipeline 4 and a drain valve 5; the drain pipe 4 is connected with the bottom of the steam trap 1; the drain valve 5 is arranged on the drain pipeline 4, and the drain valve 5 is used for draining accumulated water retained in the steam trap 1; the air inlet pipeline 2 is connected with the top of the steam trap 1 and extends into the steam trap 1 by a first preset pipeline length; the air outlet pipeline 3 is connected with the bottom of the steam trap 1 and extends into the steam trap 1 for a second preset pipeline length, and the second preset pipeline length is larger than the first preset pipeline length, and the total length of the second preset pipeline length and the first preset pipeline length is smaller than the body height of the steam trap 1.

In this embodiment, the compressed air system is connected to the inlet end of inlet pipe 2, and steam trap 1 is connected to the end of giving vent to anger of inlet pipe 2, and the compressed air system continuously lets in the compressed air who is used for the ash removal in to steam trap 1 through the end of giving vent to anger of inlet pipe 2, makes compressed air can be full of inside whole steam trap 1. The air inlet end of the air outlet pipeline 3 is connected with the steam trap 1, and the air outlet end of the air outlet pipeline 3 is connected with the dry type pneumatic ash removal system. Trap 5 is used to periodically drain accumulated water from trap 1.

In this embodiment, when inlet line 2 lets in compressed air to steam trap 1, gas-water separation can appear in the compressed air in steam trap 1 under the effect of gravity, the great comdenstion water of density can fall to the bottom in steam trap 1 or attach to on the inner wall of steam trap 1 in the compressed air, the compressed air who separates is carried to dry-type pneumatic dust removal system through the inlet end of outlet pipe 3, can reduce the comdenstion water content among the compressed air who is used for the ash removal like this, thereby reduce the condition that dry-type pneumatic dust removal system produced stifled ash.

Optionally, second predetermined conduit length in this embodiment is 2/3 less than the height of the body of steam trap 1 and greater than the height of the body of steam trap 1.

In this embodiment, the length of the second preset pipe extending from outlet pipe 3 into steam trap 1 may be set to be greater than 2/3 of the height of steam trap 1, for example: the second predetermined conduit length may be set to 3/4, 4/5, or 5/6 of the height of the body of steam trap 1, and is not limited thereto. Through so, can reduce because of the length of stretching into of air outlet pipe 3 is too short and lead to the condition that part does not take place the compressed air of gas-water separation and enter into air outlet pipe 3 to can promote hydrophobic efficiency.

Optionally, trap 5 in this embodiment is an electrically actuated trap.

In this embodiment, an electrically operated valve may be used as the steam trap 5 of the steam trap 1, and different electrically operated valves may be adopted according to actual production requirements, such as an electrically operated ball valve, an electrically operated butterfly valve, or an electrically operated gate valve, which is not limited herein. In this way, steam trap 1 can be periodically drained by a worker remotely controlling the opening and closing of steam trap 5 or setting a predetermined period.

Optionally, the compressed air drainage device in this embodiment further includes: a hydrophobic filter 6; the hydrophobic filter 6 is arranged on the hydrophobic pipeline 4; a drain filter 6 is installed between the drain valve 5 and the drain 1.

In this embodiment, the filter is a device for filtering impurities in a medium conveying pipeline, and generally comprises a cylinder, a filter screen, a sewage discharge part, a transmission device and an electric control part. Can set up a hydrophobic filter 6 between trap 5 and steam trap 1, behind hydrophobic filter 6, impurity in ponding in steam trap 1 can be blockked, like this, can reduce the condition that trap 5 takes place to block up.

Optionally, referring to fig. 1, the compressed air drainage apparatus in this embodiment further includes: an intake valve 7; an intake valve 7 is mounted on the intake duct 2 outside the steam trap 1.

Alternatively, the intake valve 7 in the present embodiment is an electric intake valve.

Optionally, the compressed air drainage device in this embodiment further includes: an air outlet valve 8; the outlet valve 8 is mounted on the outlet pipe 3 outside the steam trap 1.

Optionally, the air outlet valve 8 in this embodiment is an electric air outlet valve.

In this embodiment, the air inlet pipe 2 and the air outlet pipe 3 outside the steam trap 1 may be respectively provided with the air inlet valve 7 and the air outlet valve 8, and both the air inlet valve 7 and the air outlet valve 8 may be electrically operated, so that a worker may remotely control the on/off of the air inlet valve 7 and the air outlet valve 8 or may control the air inlet valve 7 and the air outlet valve 8 to automatically operate according to a set program. For example: firstly, controlling an air inlet valve 7 to be opened, and controlling the air inlet valve 7 to be closed when compressed air in the steam trap 1 is full; after the preset time, the air outlet valve 8 is controlled to be opened.

Alternatively, steam trap 1 in this embodiment is a cylindrical closed vessel.

Optionally, the compressed air drainage device in this embodiment further includes: a liquid level indicator 9; a level indicator 9 is mounted to the bottom of the steam trap 1.

In this embodiment, the steam trap 1 may be a cylindrical sealed container with vacuum inside, and a liquid level indicator 9 for indicating the liquid level at the bottom of the steam trap 1 may be disposed at the bottom of the steam trap 1. Therefore, the liquid level of accumulated water in the steam trap 1 can be checked by a worker conveniently, and the steam trap 5 can be operated in time to trap water. In addition, the liquid level indicator 9 can be in communication connection with the drain valve 5, and when the liquid level of accumulated water in the drain 1 reaches a set value, the drain valve 5 is controlled to be opened.

It should be noted that the above-mentioned disclosure and specific embodiments are intended to demonstrate the practical application of the technical solutions provided in the present application, and should not be construed as limiting the scope of protection of the present application. Various modifications, equivalent substitutions, or improvements may be made by those skilled in the art within the spirit and principles of the present application. The protection scope of this application is subject to the appended claims.

Claims

1. A compressed air hydrophobic apparatus, comprising: the device comprises a steam trap, an air inlet pipeline, an air outlet pipeline, a drain pipeline and a drain valve;

the drain pipe is connected with the bottom of the steam trap;

2. The apparatus of claim 1 wherein the second predetermined conduit length is less than 2/3 the height of the body of the steam trap and greater than the height of the body of the steam trap.

3. The compressed air trap of claim 1 wherein said trap is an electrically actuated trap.

4. The apparatus of claim 1, further comprising: a hydrophobic filter;

the hydrophobic filter is arranged on the hydrophobic pipeline;

5. The apparatus of claim 1, further comprising: an intake valve;

6. The apparatus of claim 5, wherein the inlet valve is an electric inlet valve.

7. The apparatus of claim 1, further comprising: an air outlet valve;

8. The apparatus according to claim 7 wherein said air outlet valve is an electrically actuated air inlet valve.

9. The apparatus according to any one of claims 1 to 8, wherein the trap is a cylindrical closed vessel.

10. The compressed air hydrophobic device according to any one of claims 1 to 8, further comprising: a liquid level indicator;

the liquid level indicator is mounted at the bottom of the steam trap.