CN217584080U - Steam supply pipeline drainage system - Google Patents

Abstract

The utility model provides a steam supply pipeline drainage system, including steam supply pipeline and first drainage pipeline, the steam source is connected to the one end of steam supply pipeline, and the user is connected to the other end, and the check valve, the fast valve that closes, electrical control valve and electronic stop valve have set gradually from the steam source to between the user on the steam supply pipeline, are connected with three first branch on the steam supply pipeline, and three first branch entrance points are located respectively between steam source and the check valve, between check valve and the fast valve, between fast valve and the electrical control valve; one end of the first drain pipe is connected with the outlet ends of the three first branches through the multi-way valve, the other end of the first drain pipe is connected with the drain tank, and a first temperature element, a first drain valve, a second drain valve and a second temperature element are sequentially arranged between the multi-way valve and the drain tank on the first drain pipe. The drain pipes with the similar pressure arrangement positions on the steam supply pipeline are combined into one path to be connected to the drain tank, and the temperature elements are sequentially installed on the combined drain pipes, so that the possible leakage points of the system are effectively reduced.

Description

Steam supply pipeline drainage system

Technical Field

The utility model relates to a heat supply technical field especially relates to a steam supply pipeline drainage system.

Background

The main purpose of the steam supply pipeline is to deliver high-quality and reliable steam to users, and due to the operation mode and arrangement characteristics of the pipeline, in the process of operating and starting and stopping the pipeline, the steam may be condensed into water when meeting cold, and a water hammer phenomenon can be generated seriously, so that the operation safety of the pipeline is seriously influenced. In order to ensure drainage and discharge in time, drainage pipelines are often installed at the low positions of a pipeline isolation valve, a pressure reducing valve, a front section of a control valve, an ascending section and a descending section of a pipeline, and each drainage pipeline is provided with a corresponding manual valve and an electric (pneumatic) valve to control drainage and discharge.

According to the conventional arrangement mode of the drain pipeline and the valve, the manual door is kept normally open during normal operation, and drain is controlled to flow out through the electric (pneumatic) valve. After the steam supply pipeline is put on and off for many times, the probability of leakage of the drain gas (electric) valve is high, the operation time of the steam supply pipeline is long each time, the influence of leakage on the steam supply economy is high, and the operation and maintenance cost is increased.

SUMMERY OF THE UTILITY MODEL

The present invention aims at solving at least one of the technical problems in the related art to a certain extent.

Therefore, the utility model aims to provide a steam supply pipeline drainage system merges to connect to the drain trap all the way through the drain trap that will supply on the steam pipeline that the multichannel arranges that the position is close and pressure level is unanimous to the drain trap after merging installs temperature element in proper order, effectively reduces the possible leak source of system, has reduced the drain valve simultaneously, can reduce the work load of overhauing and maintaining and change the manual work and the material expense of valve.

In order to achieve the above object, the utility model provides a steam supply pipeline drainage system, include:

the steam supply pipeline is provided with a check valve, a quick-closing valve, an electric regulating valve and an electric stop valve in sequence from the steam source to the user, the steam supply pipeline is connected with three first branches, and inlet ends of the three first branches are respectively positioned between the steam source and the check valve, between the check valve and the quick-closing valve and between the quick-closing valve and the electric regulating valve;

one end of the first drain pipeline is connected with the three outlet ends of the first branches through the multi-way valve, the other end of the first drain pipeline is connected with the drain tank, and a first temperature element, a first drain valve, a second drain valve and a second temperature element are sequentially arranged on the first drain pipeline from the multi-way valve to the drain tank.

Further, a third trap is included, the third trap being located between the second trap and the second temperature element.

Further, the first drain valve is a drain manual valve.

Further, the second drain valve is a drain pneumatic valve or a drain electric valve, and the third drain valve is a drain pneumatic valve or a drain electric valve.

The inlet ends of the second branches are positioned between the electric stop valve and the user;

the outlet ends of the second branches are connected with one end of a second drain pipe through a multi-way valve, the other end of the second drain pipe is connected with a drain tank, and a fourth drain valve and a fifth drain valve are sequentially arranged on the second drain pipe from the multi-way valve to the drain tank in the direction.

Further, the fourth drain valve is a drain manual valve, and the fifth drain valve is a drain pneumatic valve or a drain electric valve.

Furthermore, a sixth steam trap is arranged on the second steam trap and is positioned between the fifth steam trap and the steam trap tank.

Further, the sixth steam trap is a steam trap pneumatic valve or a steam trap electric valve.

Further, a third temperature element between the multi-way valve and the fourth trap and a fourth temperature element between the sixth trap and the trap tank are included.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural view of a conventional steam supply pipeline drainage system;

fig. 2 is a schematic structural diagram of a steam supply pipeline drainage system according to an embodiment of the present invention;

in the figure, 1, a steam supply pipeline; 101. a check valve; 102. a quick-closing valve; 103. an electric control valve; 104. an electrically operated shutoff valve; 2. a first drain conduit; 201. a first temperature element; 202. a first trap; 203. a second trap; 204. a second temperature element; 205. a third trap; 3. a source of steam; 4. a user; 5. a first branch; 6. a second branch circuit; 7. a second drain conduit; 701. a fourth trap; 702. a fifth trap; 703. a third temperature element; 704. a sixth trap; 705. a fourth temperature element; 8. and a third branch.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention. On the contrary, the embodiments of the invention include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

Fig. 1 is a schematic structural view of a steam supply pipeline drainage system according to an embodiment of the present invention.

Referring to fig. 1, a steam supply pipeline drainage system comprises a steam supply pipeline 1 and a first drainage pipeline 2, wherein one end of the steam supply pipeline 1 is connected with a steam source 3, the other end of the steam supply pipeline 1 is connected with a user 4, and a check valve 101, a quick-closing valve 102, an electric regulating valve 103 and an electric stop valve 104 are sequentially arranged on the steam supply pipeline 1 from the steam source 3 to the user 4.

In the existing steam supply pipeline drainage system, as shown in fig. 1, a plurality of third branches 8 are directly connected to a steam supply pipeline 1, inlet ends of the plurality of third branches 8 are respectively located between a steam source 3 and a check valve 101, between the check valve and a quick-closing valve 102, between the quick-closing valve 102 and an electric control valve 103, between an electric stop valve 104 and a user 4, a manual drain valve and a pneumatic drain valve are arranged on each third branch 8, and each third branch 8 is directly connected to a drain tank.

Referring to fig. 2, the utility model discloses a supply to be connected with three first branch road 5 on the vapour pipeline 1, three first branch road 5 entrance point is located respectively between vapour source 3 and check valve 101, between check valve 101 and the fast valve 102 of closing, between fast valve 102 and the electrical control valve 103 of closing, the one end of first drain pipe 2 is passed through the multi-way valve and is linked to each other with the exit end of three first branch road 5, the steam trap is connected to the other end, first temperature component 201 has set gradually on the first drain pipe 2 from the multi-way valve to between the steam trap, first drain valve 202, second drain valve 203 and second temperature component 204.

It can be understood that, in the process of starting the heating pipe, the steam supply pipeline 1 opens the first steam trap 202 and the second steam trap 203, at this time, multiple paths of drained water are discharged into the drain tank through the first steam trap 2 after being one path through the connection of the multiple first branches 5 and the first steam trap 2, during the operation of the steam supply pipeline 1, the first steam trap 202 is normally opened, through logic setting, the second steam trap 203 is protected to be always in an environment with small front-back pressure difference when being opened, the tightness of the steam trap is ensured as much as possible, the leakage probability is reduced, when the steam supply pipeline operates, attention is paid to monitoring of the first temperature element 201, through logic setting, when the temperature displayed by the first temperature element 201 is lower than a set value, the second steam trap 203 is timely opened to drain, when the steam supply pipeline 1 operates, an operator can timely find the condition of valve leakage by observing the temperature displayed by the second temperature element 204, and take corresponding measures.

In some embodiments, a third trap 205 is also included, and third trap 205 is positioned between second trap 203 and second temperature element 204, which may provide improved protection against trap system leaks in high temperature and high pressure piping by providing third trap 205.

Preferably, first trap 202 may be a trap manual valve.

In some embodiments, second trap 203 may be a trap pneumatic valve or a trap electric valve and third trap 205 may be a trap pneumatic valve or a trap electric valve.

In some embodiments, the steam supply system further comprises a plurality of second branches 6 connected to the steam supply pipeline 1, inlet ends of the plurality of second branches 6 are located between the electric stop valve 104 and the user 4, outlet ends of the plurality of second branches 6 are connected to one end of a second drain pipeline 7 through a multi-way valve, the other end of the second drain pipeline 7 is connected to a drain tank, and a fourth drain valve 701 and a fifth drain valve 702 are sequentially arranged on the second drain pipeline 7 in a direction from the multi-way valve to the drain tank.

It can be understood that drainage is performed by arranging a plurality of second branches 6 between electric shutoff valve 104 and user 4, and drainage is performed by merging a plurality of second branches 6 into one second drainage pipe 7 and discharging into a drainage tank through second drainage pipe 7, wherein the plurality of second branches 6 may be 2 second branches 6, and may also be 3 second branches 6 or 4 second branches 6, and therefore the number of second branches 6 is set according to actual conditions.

In some embodiments, fourth trap 701 may be a trap manual valve and fifth trap 702 may be a trap pneumatic valve or a trap electric valve.

In some embodiments, second drain conduit 7 is also provided with a sixth drain valve 704, sixth drain valve 704 being located between fifth drain valve 702 and the drain tank.

It should be noted that the sixth trap 704 is a trap pneumatic valve or a trap electric valve.

In some embodiments, the second steam trap 7 is further provided with a third temperature element 703 and a fourth temperature element 705, the fourth temperature element 705 is located between the sixth steam trap 704 and the steam trap tank, the third temperature element 703 is located between the multi-way valve and the fourth steam trap 701, the fourth steam trap 701 is in a normally open state, when the temperature displayed by the third temperature element 703 is lower than a set value, the fifth steam trap 702 and the sixth steam trap 704 are opened in time to trap water, and when the steam supply pipeline 1 runs, an operator can find the condition of valve leakage in time by observing the temperature displayed by the fourth temperature element 705, and take corresponding measures.

It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and the scope of the preferred embodiments of the present invention includes other implementations in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the embodiments of the present invention.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations of the above embodiments may be made by those of ordinary skill in the art without departing from the scope of the present invention.

Claims (9)

1. A steam supply pipeline drainage system, characterized by comprising:

the steam supply pipeline is provided with a check valve, a quick-closing valve, an electric regulating valve and an electric stop valve in sequence from the steam source to the user, the steam supply pipeline is connected with three first branches, and inlet ends of the three first branches are respectively positioned between the steam source and the check valve, between the check valve and the quick-closing valve and between the quick-closing valve and the electric regulating valve;

the steam trap comprises a first steam trap, one end of the first steam trap is connected with the three outlet ends of the first branches through multi-way valves, the other end of the first steam trap is connected with a steam trap box, and a first temperature element, a first steam trap, a second steam trap and a second temperature element are sequentially arranged between the multi-way valves and the steam trap box on the first steam trap.

2. A steam supply line drainage system as set forth in claim 1 further comprising a third trap, said third trap being positioned between said second trap and said second temperature element.

3. A steam supply pipe dewatering system as claimed in claim 2, wherein the first dewatering valve is a manual dewatering valve.

4. The steam supply pipeline drainage system of claim 3, wherein the second drainage valve is a drainage pneumatic valve or a drainage electric valve, and the third drainage valve is a drainage pneumatic valve or a drainage electric valve.

5. A steam supply pipeline drainage system as claimed in claim 1, further comprising a plurality of second branches connected to said steam supply pipeline, the inlet ends of said plurality of second branches being located between said electrically operated shutoff valve and said user;

the outlet ends of the second branches are connected with one end of a second drain pipe through a multi-way valve, the other end of the second drain pipe is connected with the drain tank, and a fourth drain valve and a fifth drain valve are sequentially arranged on the second drain pipe from the multi-way valve to the drain tank.

6. The steam supply pipeline drainage system of claim 5, wherein the fourth drain valve is a drain manual valve, and the fifth drain valve is a drain pneumatic valve or a drain electric valve.

7. A steam supply pipe drainage system as set forth in claim 5 wherein a sixth trap is also provided in said second drainage pipe, said sixth trap being positioned between said fifth trap and said drain tank.

8. The steam supply pipeline drainage system of claim 7, wherein the sixth drainage valve is a hydrophobic pneumatic valve or a hydrophobic electric valve.

9. A steam supply line drainage system as set forth in claim 7 further comprising a third temperature element and a fourth temperature element, said third temperature element being positioned between said multi-way valve and said fourth trap, said fourth temperature element being positioned between said sixth trap and said drain tank.

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