Steam pipeline drainage system

Abstract

The utility model relates to the technical field of steam heating, in particular to a steam pipeline drainage system which comprises a main steam pipeline, and the main steam pipeline is communicated with a water storage tank used for collecting condensate water. The steam flow guide pipe is arranged in the main steam pipeline cavity, one end of the steam flow guide pipe is provided with a steam inlet which is arranged in the direction opposite to the flow direction of steam, the other end of the steam flow guide pipe is communicated with a steam spraying pipe leading to the water storage tank, and the steam spraying pipe is provided with a plurality of steam spraying holes. Through the arrangement of the steam guide pipe, the steam part of the main steam pipeline is guided to the condensate water storage tank, so that the condensate water is converted from a liquid state to a gas state and returns to the main steam pipeline, the use of steam latent heat is more reasonable, and the utilization rate of steam energy is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam heating technical field, especially relates to a steam pipeline drainage system. BACKGROUND

[0002] Steam is a common medium in industrial pipeline, in the heating equipment of using steam heating or steam delivery pipeline, the condensed water produced is a harmful fluid, becomes the reason of causing equipment failure and reducing performance, and it is very necessary to remove the condensed water, in the prior art, in order to discharge condensed water, effectively retain the steam in the pipeline, usually use a trap. Most of the traps inevitably bring out part of the steam while discharging the condensed water, cause heat energy loss, the leaked steam directly leads to the reduction of system energy utilization, and the existing trap is difficult to improve the steam energy utilization. SUMMARY

[0003] The utility model discloses a steam pipeline drainage system, and the latent heat of vaporization of steam is reasonably used, and the utilization of steam energy is improved.

[0004] To solve the above technical problem, the embodiment of the utility model provides a technical scheme, as follows:

[0005] A steam pipeline drainage system, including main steam pipeline, the main steam pipeline is connected with water storage tank for collecting condensed water, steam flow guide pipe, the steam flow guide pipe is arranged in the cavity of main steam pipeline, and one end of steam flow guide pipe is equipped with steam inlet, which is arranged reversely to the steam flow direction, and the other end is connected with the jet pipe leading to the water storage tank, and a plurality of jet holes are arranged on the jet pipe.

[0006] Further, the steam inlet is a horn mouth, and the opening end with a larger diameter of the horn mouth faces the direction of steam flow.

[0007] Further, the jet pipe includes a plurality of jet branch pipes, and the jet branch pipes are arranged close to the bottom of the water storage tank, and each jet branch pipe is equipped with a jet hole.

[0008] Further, the jet pipe includes a plurality of jet branch pipes, and the jet branch pipes are arranged close to the bottom of the water storage tank, and a plurality of jet pipes are uniformly distributed along the horizontal circumference, and each jet branch pipe is equipped with a plurality of jet holes.

[0009] Further, the opening of the jet hole faces the main steam pipeline.

[0010] Further, the bottom of the water storage tank is equipped with a trap.

[0011] The utility model provides a steam pipeline drainage system, relative to prior art, through the setting of steam flow guide pipe, the steam of main steam pipeline is guided to the water storage tank of condensate, makes condensate change from liquid state into gaseous state and return to main steam pipeline, and steam latent heat is more reasonable, effectively improves the utilization of steam energy, through the setting of steam flow guide pipe horn opening, the kinetic energy of steam fluid can more efficient capture superheated steam and guide to the water storage tank, and the phase change of condensate is promoted by steam latent heat, through the setting of multiple air injection branch pipes and multiple air injection holes, make superheated steam can be more fully and uniformly contacted with condensate in the water storage tank, promote the phase change effect of condensate, and steam latent heat is used reasonably, and the utilization of steam energy is improved. BRIEF DESCRIPTION OF DRAWINGS

[0012] One or more embodiments are illustrated by way of example in the figures that form a part of this patent document, these example are not intended to limit the embodiments, and the elements with the same reference numerals in the figures represent similar elements, unless otherwise specified, the figures in the drawings do not constitute proportional limit.

[0013] Figure 1 It is a steam pipeline drainage system structure schematic view in the first embodiment of the utility model;

[0014] Figure 2 It is a steam pipeline drainage system structure schematic view in the second embodiment of the utility model;

[0015] Figure 3 It is the air injection pipe structure schematic view in the second embodiment of the utility model;

[0016] Figure 4 It is the air injection pipe structure schematic view in the third embodiment of the utility model;

[0017] Figure 5 It is the air injection pipe structure schematic view in the fourth embodiment of the utility model.

[0018] Figure legend: 10, main steam pipeline;20, steam flow guide pipe;21, steam inlet;22, air injection pipe;221, air injection pipe air injection hole;231, air injection branch pipe air injection hole;23, air injection branch pipe;30, water storage tank;40, drainage valve. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical scheme and advantages of the utility model clearer, the various embodiments of the utility model will be described in detail below in combination with the drawings. However, those skilled in the art can understand that, in the various embodiments of the utility model, many technical details are proposed in order to enable the readers to better understand the present application. However, even if there are no such technical details and various changes and modifications based on the following embodiments, the technical scheme claimed in the various claims of the present application can be realized.

[0020] As Figure 1 shown, the first embodiment of the utility model relates to a steam pipeline drainage system, including main steam pipeline 10, the main steam pipeline 10 is connected with the water storage tank 30 for collecting condensed water, steam flow guide pipe 20, the steam flow guide pipe 20 is arranged in the cavity of main steam pipeline 10, one end of steam flow guide pipe 20 is provided with steam inlet 21 which is arranged reversely with steam flow direction, the other end is connected with the jet pipe 22 leading to water storage tank 30, the jet pipe 22 is provided with multiple jet pipe air injection holes 221. By the arrangement of steam flow guide pipe 20, the steam of main steam pipeline 10 under the action of fluid kinetic energy, part of superheated steam enters steam flow guide pipe 20 from steam inlet 21, and is guided to water storage tank 30 by the guiding effect of steam flow guide pipe 20, the superheated steam is sprayed out along the jet pipe air injection holes 221 at the end of jet pipe 22, contacts with the condensed water in water storage tank 30, provides the energy required for the phase change of condensed water, and promotes the conversion of condensed water into steam to return to the main steam pipeline. Not only can effectively consume condensed water, reduce the influence of condensed water on steam delivery performance, but also can effectively improve the utilization rate of steam energy by the reasonable use of steam latent heat. Preferably, the steam inlet 21 is a horn-shaped opening, the opening end of the horn-shaped opening with larger diameter faces the direction of steam flow, the design of horn-shaped opening is more in line with fluid dynamics, can effectively reduce the disturbance or pressure loss caused to the fluid in main steam pipeline 10, and the kinetic energy of steam fluid can be more efficiently captured to guide the superheated steam to water storage tank 30, and the latent heat of steam is used to promote the phase change of condensed water. In one exemplary example, the inner surface of the water storage tank 30 is coated with a corrosion-resistant layer, and the outside is wrapped with an efficient thermal insulation layer, so as to reduce heat loss and prolong the service life of the equipment.

[0021] As Figures 2-3As shown in the second embodiment of the utility model relates to a kind of steam pipeline drainage system, including main steam pipeline 10, the main steam pipeline 10 is connected with the water storage tank 30 for collecting condensate water;Steam flow guide pipe 20, the steam flow guide pipe 20 is arranged in the cavity of main steam pipeline 10, one end of steam flow guide pipe 20 is equipped with the steam inlet 21 being reversely arranged with steam flow direction, other end is connected with the jet pipe 22 leading to water storage tank 30, the jet pipe 22 includes multiple jet branch pipes 23, the jet branch pipe 23 is close to the bottom of water storage tank 30 setting, one jet branch pipe jet hole 231 is equipped on each jet branch pipe 23, preferably, the jet branch pipe 23 is 3, 3 jet branch pipes 23 are arranged in parallel with main steam pipeline 10, and one jet branch pipe jet hole 231 is equipped at the end of each jet branch pipe 23. By the setting of multiple jet branch pipes 23, the radiation range of superheated steam in water storage tank 30 can be effectively enlarged, and the efficiency of condensate water phase change conversion is improved.

[0022] As Figure 4 shown, the third embodiment of the utility model relates to a kind of steam pipeline drainage system, and the difference from the second embodiment is that the number of jet branch pipe 23 is 4, and 4 jet branch pipes 23 are uniformly distributed along horizontal circumference. By the axial uniform distribution of jet branch pipe 23, the mixing of superheated steam and condensate water is more uniform, and the efficiency of condensate water phase change conversion is further improved.

[0023] As Figure 5 shown, the fourth embodiment of the utility model relates to a kind of steam pipeline drainage system, and the difference from the third embodiment is that multiple jet branch pipe jet holes 231 are equipped on each jet branch pipe 23, and the opening of jet branch pipe jet hole 231 is towards main steam pipeline 10. By the more uniform setting of jet branch pipe jet hole 231 in water storage tank 30, steam latent heat is more reasonably used, the efficiency of condensate water phase change conversion is further improved, and the utilization rate of steam energy is effectively improved.

[0024] In one embodiment, in order to increase the stability of a kind of steam pipeline drainage system, avoid when steam delivery system load is larger, condensate water phase change gasification is not timely, causes ponding, influence steam energy utilization efficiency, the bottom of water storage tank 30 is equipped with drainage valve 40, if necessary, ponding in water storage tank 30 can be quickly discharged by drainage valve 40.

[0025] The utility model provides a kind of steam pipeline drainage system, by the setting of steam flow guide pipe, the steam of main steam pipeline is guided to the water storage tank of condensate water, so that condensate water is converted from liquid to gas state and returns to main steam pipeline, steam latent heat is more reasonable, effectively improve the utilization of steam energy;Through the setting of steam flow guide pipe horn opening, the kinetic energy of steam fluid can more efficiently capture superheated steam and guide to water storage tank, use steam latent heat to promote the phase change of condensate water;By the setting of multiple air injection branch pipes and multiple air injection holes, so that superheated steam can be more fully and uniformly contacted with condensate water in water storage tank, promote the phase change effect of condensate water, use steam latent heat reasonably, improve the utilization of steam energy.

[0026] Those skilled in the art can understand that the above embodiments are specific embodiments for implementing the utility model, and in actual application, various changes can be made in form and details without departing from the spirit and scope of the utility model.

Claims

1. A steam pipe draining system, characterized by, The main steam pipeline (10) is communicated with a water storage tank (30) for collecting condensed water; a steam flow guide pipe (20) is arranged in the cavity of the main steam pipeline (10), one end of the steam flow guide pipe (20) is provided with a steam inlet (21) arranged in the opposite direction of the steam flow direction, and the other end is communicated with a jet pipe (22) leading to the water storage tank (30), and a plurality of jet pipe jet holes (221) are arranged on the jet pipe (22).

2. A steam pipe draining system according to claim 1, wherein The steam inlet (21) is a horn-shaped opening, and the opening end with a larger diameter faces the direction of the steam flow.

3. A steam pipe draining system according to claim 1, wherein The jet pipe (22) comprises a plurality of jet branch pipes (23), the jet branch pipes (23) are arranged close to the bottom of the water storage tank (30), and each jet branch pipe (23) is provided with a jet branch pipe jet hole (231).

4. A steam pipe draining system according to claim 1, wherein The jet pipe (22) comprises a plurality of jet branch pipes (23), the jet branch pipes (23) are arranged close to the bottom of the water storage tank (30), and a plurality of jet pipes (22) are uniformly distributed along the horizontal circumference, and each jet branch pipe (23) is provided with a plurality of jet branch pipe jet holes (231).

5. A steam pipe drain system according to claim 3 or 4, wherein The jet branch pipe jet hole (231) is open towards the main steam pipeline (10).

6. A steam pipe draining system according to claim 1, wherein The bottom of the water storage tank (30) is provided with a drain valve (40).

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