CN220899915U - Multistage vapor recovery device - Google Patents

Abstract

The utility model discloses a multistage steam recovery device, which belongs to the technical field of energy recovery equipment, wherein a water changing filtering steam pipe fitting is respectively communicated with a steam changing kettle body I, a steam changing kettle body II and a steam changing kettle body III, the filtering steam pipe fitting is communicated with the steam changing kettle body I, the steam changing kettle body II and the steam changing kettle body III, a double-liquid-level flange liquid level meter I is arranged on the steam changing kettle body I, a double-liquid-level flange liquid level meter II is arranged on the steam changing kettle body II, and a double-liquid-level flange liquid level meter III is arranged on the steam changing kettle body III.

Description

Multistage vapor recovery device

Technical Field

The utility model belongs to the technical field of water-gas separation equipment, and particularly relates to a multistage steam recovery device.

Background

In petrochemical industry production, the steam is mainly used in the aspects of heating and driving equipment and the like, so that the steam output is often relatively large, the steam needs to be recovered after being used, energy resource waste and environmental pollution are caused, normally, a steam recovery device mainly comprises flue gas waste heat recovery, water heat exchange recovery and a shell-and-tube heat exchanger, however, the recovery effect of the water heat exchange recovery in the recovery modes is optimal, a large amount of steam enters cold water, the water temperature of heat exchange water is slowly increased, the water level of the heat exchange water is also increased, new cold water needs to be replaced periodically for replacing the steam, the whole process is controlled to be within 3 minutes, two sets of devices are still needed to be integrated into production in the early process to ensure that the steam does not stop working, and the device needs to be maintained for a long time, so that the equipment is not beneficial to the high-efficiency and safe production requirement of industry. To solve the above problems, my company has developed a study of a multistage vapor recovery device for this purpose.

Disclosure of utility model

The utility model aims to: the utility model aims to provide a multistage steam recovery device, which solves the problems that two sets of devices are still needed to be integrated into production in site production, so that the device can not stop working, and the device occupies the area of a production base, needs to maintain equipment for a long time and is not beneficial to the efficient production of industry.

The utility model provides a multistage steam recovery device, which comprises a steam exchange kettle body I, a steam exchange kettle body II, a steam exchange kettle body III and a water exchange filtering steam pipe fitting, wherein an air outlet elbow pipe assembly is arranged on the steam exchange kettle body I, and support legs, manholes and a liquid discharge assembly are arranged on the steam exchange kettle body I, the steam exchange kettle body II and the steam exchange kettle body III, and the multistage steam recovery device is characterized in that: the water changing filtering steam pipe fitting is respectively communicated with a steam changing kettle body I, a steam changing kettle body II and a steam changing kettle body III, the filtering steam pipe fitting is communicated with the steam changing kettle body I, the steam changing kettle body II and the steam changing kettle body III, a double-liquid-level flange liquid level meter I is arranged on the steam changing kettle body I, a double-liquid-level flange liquid level meter II is arranged on the steam changing kettle body II, a double-liquid-level flange liquid level meter III is arranged on the steam changing kettle body III, the lowest liquid level measured by the double-liquid-level flange liquid level meter I is larger than the lowest liquid level measured by the double-liquid-level flange liquid level meter II, the lowest liquid level measured by the double-liquid-level flange liquid level meter II is larger than the lowest liquid level measured by the double-liquid-level flange liquid level meter III, the water level in the steam changing kettle body I can be accurately determined, the double-liquid-level flange liquid level meter II is used for measuring the water level in the steam changing kettle body II, and the water level in the double-level flange liquid-level meter III is used for measuring the water level in the steam changing kettle body III.

Further, the air outlet elbow assembly comprises an air outlet elbow and an air outlet elbow valve, the air outlet elbow is arranged on the steam exchange kettle body I, and the air outlet elbow valve is arranged on the air outlet elbow to empty air for filtering steam.

Further, filter steam pipe fitting includes standpipe I, standpipe II, standpipe III and three-way pipe, standpipe I one end runs through the steam kettle body I and with the steam kettle body I fixed connection that trades, standpipe I other end installation return bend I, set up motorised valve I on the return bend I, return bend I other end and the steam kettle body II intercommunication that trades, standpipe II one end runs through the steam kettle body II and with the steam kettle body II fixed connection that trades, set up motorised valve II and motorised valve III on the standpipe II respectively, standpipe III bottom runs through the steam kettle body III and with the steam kettle body III fixed connection that trades, transversely set up the double-end return bend on standpipe II between motorised valve II and motorised valve III, double-end return bend both ends respectively with the steam kettle body I that trades and trade the steam kettle body III intercommunication, still set up motorised valve IV and motorised valve V on the double-end return bend respectively, set up steam inlet pipe on one of three-way pipe wherein, the other both ends respectively with standpipe II and III intercommunication, still set up motorised valve VI and motorised valve VII on the three-way pipe, set up on the standpipe II and the standpipe between II port that trades the steam kettle body II transversely sets up on II, return bend II and the electric kettle body III and set up the setting up on the return bend III and the return bend.

Further, the liquid draining assembly comprises a liquid draining pipe and a liquid draining valve, and the liquid draining valve is arranged on the liquid draining pipe and can determine whether liquid passes through the valve body.

Compared with the prior art, the utility model has the following advantages:

When the water supplementing operation is started, the water level in the steam exchange kettle body I is measured by the double-liquid-level flange liquid level meter I, the water level in the steam exchange kettle body II is measured by the double-liquid-level flange liquid level meter II, the water level in the steam exchange kettle body III is measured by the double-liquid-level flange liquid level meter III, a large amount of steam is primarily filtered by entering the steam exchange kettle body III, then micro steam is secondarily filtered by entering the steam exchange kettle body II, micro steam is filtered again by entering the steam exchange kettle body I, finally the micro steam is discharged from the air outlet bent pipe, all the steam is filtered, when the water is exchanged by the steam exchange kettle body III, the steam can skip the steam exchange kettle body III and enter the steam exchange kettle body II, the whole water exchanging process only needs 3 minutes, meanwhile, the non-stop operation is ensured, one set of equipment is realized, compared with the prior art, the whole structure occupies a small area, the whole structure can not need to be produced by one device, the non-stop operation is realized, the maintenance is not required by two sets of equipment, and the enterprise production cost is reduced.

Drawings

FIG. 1 is an internal construction view of a multistage vapor recovery device of the present utility model;

fig. 2 is a front view of the filtered vapor tube of fig. 1 of the present utility model.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific direction, be configured and operated in the specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1-2, a multistage vapor recovery device, including trading steam cauldron body i 1, trading steam cauldron body ii 2, trading steam cauldron body iii 3, trade water and filter steam pipe fitting 4, set up on trading steam cauldron body i 1 and give vent to anger return bend subassembly 5, trade steam cauldron body i 1, trade steam cauldron body ii 2 and trade and all set up landing leg 6, manhole 7 and flowing back subassembly 8 on trading steam cauldron body iii 3, its characterized in that: the water changing filtering steam pipe fitting 4 is respectively communicated with the steam changing kettle body I1, the steam changing kettle body II 2 and the steam changing kettle body III 3, the filtering steam pipe fitting is communicated with the steam changing kettle body I1, the steam changing kettle body II 2 and the steam changing kettle body III 3, the steam changing kettle body I1 is provided with a double-liquid-level flange liquid level meter I9, the steam changing kettle body II 2 is provided with a double-liquid-level flange liquid level meter II 10, the steam changing kettle body III 3 is provided with a double-liquid-level flange liquid level meter III 11, the lowest liquid level measured by the double-liquid-level flange liquid level meter I9 is greater than the lowest liquid level measured by the double-liquid-level flange liquid level meter II 10, and the lowest liquid level measured by the double-liquid-level flange liquid level meter II 10 is greater than the lowest liquid level measured by the double-level flange liquid level meter III 11.

The air outlet elbow pipe assembly 5 comprises an air outlet elbow pipe 12 and an air outlet elbow pipe valve 13, the air outlet elbow pipe 12 is arranged on the steam exchange kettle body I1, and the air outlet elbow pipe valve 13 is arranged on the air outlet elbow pipe 12.

The utility model provides a filter steam pipe fitting includes standpipe I14, standpipe II 15, standpipe III 16 and three-way pipe 17, standpipe I14 one end runs through the steam kettle body I1 and with the steam kettle body I1 fixed connection that trades, standpipe I14 other end installation return bend I18, set up motorised valve I19 on the return bend I18, return bend I18 other end and the steam kettle body II 2 intercommunication that trades, standpipe II 15 one end runs through the steam kettle body II 2 and with trade steam kettle body II 2 fixed connection, set up motorised valve II 20 and motorised valve III 21 on standpipe II 15 respectively, standpipe III 16 bottom runs through the steam kettle body III 3 and with trade steam kettle body III 3 fixed connection, transversely set up double-end return bend 22 on standpipe II 15 between motorised valve II 20 and motorised valve III 21, double-end return bend 22 both ends respectively with steam kettle body I1 and trade steam kettle body III 3 intercommunication, still set up motorised valve IV 23 and motorised valve V24 on double-end return bend 22 respectively, three-way pipe 17 one end is gone up steam inlet 25, both ends respectively with standpipe II 15 and standpipe II 16 intercommunication, still set up motorised valve II 26 and motorised valve III II 27 on three-way pipe 17 and setting up the return bend III 28 between the steam kettle body II and III 3 fixed connection, setting up the electric valve III 28 II and III 2 II.

The liquid discharge assembly 8 comprises a liquid discharge pipe 30 and a liquid discharge valve 31, and the liquid discharge pipe 30 is provided with the liquid discharge valve 31.

S1: the water inlet work of the utility model is as follows:

Firstly, the device is placed in a production system and is integrated into a control network, an electric valve II 20, an electric valve III 21, an electric valve IV 23 and an electric valve V24 are opened, water supplementing operation is started, when the water level in the steam exchange kettle body I1 reaches the lowest liquid level of the double-liquid-level flange liquid level meter I9, the electric valve IV 23 is closed, when the water level in the steam exchange kettle body II 2 reaches the lowest liquid level of the double-liquid-level flange liquid level meter II 10, the electric valve II 20 is closed, when the water level in the steam exchange kettle body III 11 reaches the lowest liquid level of the double-liquid-level flange liquid level meter III 11, the electric valve III 21 is closed, and when the water level in the steam exchange kettle body III 3 reaches the lowest liquid level of the double-liquid-level flange liquid level meter III 11, the electric valve V24 is closed.

S2: the multistage vapor filtration of the present utility model works as follows:

Firstly, the device is placed in a production system, is integrated into a control network, and is used for closing an electric valve II 20, an electric valve III 21, an electric valve IV 23, an electric valve V24 and an electric valve VI 26, steam enters a steam exchange kettle body III 3 through a vertical pipe III 16 to be preliminarily filtered, then enters a steam exchange kettle body II 2 through a vertical pipe II 15 through a bent pipe II 28 to be secondarily filtered, enters the steam exchange kettle body I1 through a bent pipe I18 and a vertical pipe I14 to be filtered again, and finally is discharged from an air outlet bent pipe 12.

S3: the water exchanging work of the steam exchanging kettle body III 3 is as follows:

When the water level in the steam exchange kettle III 3 reaches the highest liquid level of the double-liquid-level flange liquid level meter III 11, the electric valve VII 27 and the electric valve VIII 29 are closed, the electric valve VI 26 is opened to continue the operation of filtering steam water, the liquid discharge valve 31 of the liquid discharge pipe 30 at the bottom of the steam exchange kettle III 3 is opened to guide hot water in the steam exchange kettle to other places, the liquid discharge valve 31 captures no liquid to flow out and is automatically closed, the electric valve III 21 and the electric valve V24 are opened to inject cold water into the steam exchange kettle III 3, and when the double-liquid-level flange liquid level meter III 11 measures that the water level in the steam exchange kettle III 3 reaches the lowest liquid level of the double-liquid-level flange liquid level meter III 11, the electric valve III 21 and the electric valve V24 are closed to finish water inlet.

The foregoing is merely a preferred embodiment of the utility model, and it should be noted that modifications could be made by those skilled in the art without departing from the principles of the utility model, which modifications would also be considered to be within the scope of the utility model.

Claims (4)

1. The utility model provides a multistage vapor recovery device, including trading steam cauldron body I (1), trade steam cauldron body II (2), trade steam cauldron body III (3), trade water and filter steam pipe fitting (4), set up on the steam cauldron body I (1) and give vent to anger return bend subassembly (5), all set up landing leg (6), manhole (7) and flowing back subassembly (8) on the steam cauldron body I (1), the steam cauldron body II (2) and the steam cauldron body III (3), its characterized in that: the water changing filtering steam pipe fitting (4) is respectively communicated with the steam changing kettle body I (1), the steam changing kettle body II (2) and the steam changing kettle body III (3), the filtering steam pipe fitting is communicated with the steam changing kettle body I (1), the steam changing kettle body II (2) and the steam changing kettle body III (3), the steam changing kettle body I (1) is provided with the double-liquid-level flange liquid level meter I (9) and the steam changing kettle body II (2) is provided with the double-liquid-level flange liquid level meter II (10), the steam changing kettle body III (3) is provided with the double-liquid-level flange liquid level meter III (11), the lowest liquid level measured by the double-liquid-level flange liquid level meter I (9) is greater than the lowest liquid level measured by the double-liquid-level flange liquid level meter II (10), and the lowest liquid level measured by the double-level flange liquid level meter II (10) is greater than the double-liquid-level flange liquid level meter III (11).

2. The multi-stage vapor recovery device of claim 1, wherein: the air outlet elbow pipe assembly (5) comprises an air outlet elbow pipe (12) and an air outlet elbow pipe valve (13), the air outlet elbow pipe (12) is arranged on the steam exchange kettle body I (1), and the air outlet elbow pipe valve (13) is arranged on the air outlet elbow pipe (12).

3. The multi-stage vapor recovery device of claim 1, wherein: the filtering steam pipe fitting comprises a vertical pipe I (14), a vertical pipe II (15), a vertical pipe III (16) and a three-way pipe (17), one end of the vertical pipe I (14) penetrates through a steam exchange kettle body I (1) and is fixedly connected with the steam exchange kettle body I (1), an elbow pipe I (18) is arranged at the other end of the vertical pipe I (14), an electric valve I (19) is arranged on the elbow pipe I (18), the other end of the elbow pipe I (18) is communicated with a steam exchange kettle body II (2), one end of the vertical pipe II (15) penetrates through the steam exchange kettle body II (2) and is fixedly connected with the steam exchange kettle body II (2), an electric valve II (20) and an electric valve III (21) are respectively arranged on the vertical pipe II (15), the bottom of the vertical pipe III (16) penetrates through the steam exchange kettle body III (3) and is fixedly connected with the steam exchange kettle body III (3), double-headed elbows (22) are transversely arranged on the elbow pipe II (15) between the electric valve II (20) and the electric valve III (21), two ends of the double-headed elbow pipe I (22) are respectively communicated with the steam exchange kettle body II (1) and the steam exchange kettle body II (2), two ends of the electric valve II (22) are respectively communicated with the electric valve III (3), two ends of the electric valve II (23) are respectively arranged on the vertical pipe II (16) and one end of the vertical pipe II (15) respectively, two ends of the electric valve II (25) are respectively communicated with the vertical pipe II (15 respectively, an electric valve VI (26) and an electric valve VII (27) are further arranged on the three-way pipe (17), an elbow II (28) is transversely arranged on a vertical pipe II (15) between the electric valve II (20) and a kettle opening of the steam exchange kettle body II (2), the elbow II (28) is communicated and fixed with the steam exchange kettle body III (3), and an electric valve VIII (29) is arranged on the elbow II (28).

4. The multi-stage vapor recovery device of claim 1, wherein: the liquid draining assembly (8) comprises a liquid draining pipe (30) and a liquid draining valve (31), and the liquid draining valve (31) is arranged on the liquid draining pipe (30).