Flash tank capable of preventing water level fluctuation

Abstract

The utility model relates to the technical field of steam recovery, and particularly discloses a flash tank capable of preventing water level fluctuation, which comprises a flash tank body, and a steam inlet component for feeding steam into the flash tank body is arranged on one side of the flash tank body; a steam outlet assembly is arranged at the top of the flash tank body and is used for recovering secondary steam after water-steam separation; a liquid discharging assembly is arranged on the side, away from the steam outlet assembly, of the flash tank body and used for discharging water in the flash tank body; a blow-off assembly is arranged at the bottom of the flash tank body, the blow-off assembly comprises a blow-off pipe mounted at the bottom of the flash tank body, and a blow-off valve is mounted on the blow-off pipe. Water vapor is discharged to equipment needing to use steam through the steam outlet assembly, the resource utilization rate is increased, impurities in the water vapor can abut against the interior of the flash tank body, and during long-term use, the blow-off valve is started, and the impurities located in the flash tank body are discharged through the blow-off pipe.

Description

Technical Field

[0001] The utility model relates to the technical field of steam recovery, in particular to a flash tank resistant to water level fluctuation. Background Art

[0002] The steam condensate recycling industry is unable to recycle high-temperature steam condensate and flash steam (secondary steam), resulting in a large amount of high-temperature condensate being discharged into the sewage ditch, or a large amount of high-quality (desalted water) steam condensate being discharged into the ditch, resulting in a waste of heat and damage to the ecological environment. At the same time, the secondary steam generated by the steam condensate is not effectively recycled, causing thermal pollution and noise pollution, wasting raw coal, and also causing an increase in PM2.5. Therefore, in order to recycle and reuse steam condensate and flash steam, a flash tank is used.

[0003] In the prior art, there is a Chinese utility model patent with application number 202020944566.0, authorization publication number CN212431825U, and invention name "A steam condensate recovery device". The above patent discloses a steam condensate recovery device, which is provided with a distillation tower. The bottom of the distillation tower is connected to a steam condensate collection tank through a pipeline, and the steam condensate collection tank is connected to the top of a recovery hot water tank through a pipeline. A first overflow port is provided in the upper part of the drying hot water tank, and the first overflow port is connected to the top of the recovery hot water tank through a pipeline; a second overflow port is provided in the middle of the recovery hot water tank, and the second overflow port is connected to a condensate cooling tank through a pipeline, and the condensate cooling tank is connected to a recovery circulating water tank through a pipeline.

[0004] The steam condensate recovery device in the above patent recovers the steam condensate in the distillation tower and the dry hot water tank for other process needs, which saves energy and reduces the burden of sewage treatment. As is known, since the water vapor contains a large amount of dust and impurities, the impurities will accumulate at the bottom of the flash tank during long-term use, which is inconvenient to discharge and has certain shortcomings. Utility Model Content

[0005] The utility model aims to provide a flash tank which is resistant to water level fluctuation, so as to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a flash tank resistant to water level fluctuations, comprising a flash tank body, a steam inlet assembly for introducing steam into the flash tank body is arranged on one side of the flash tank body; a steam outlet assembly is arranged on the top of the flash tank body, for recovering secondary steam after water vapor separation; a liquid drain assembly is arranged on the side of the flash tank body away from the steam outlet assembly, for discharging water from the flash tank body; a sewage discharge assembly is arranged at the bottom of the flash tank body, the sewage discharge assembly comprises a sewage discharge pipe installed on the bottom of the flash tank body, and a sewage discharge valve is installed on the sewage discharge pipe.

[0007] Furthermore, the steam inlet assembly comprises a steam inlet pipe installed on the flash tank body, and a first valve is installed on the steam inlet pipe for controlling the steam inlet of the steam inlet pipe.

[0008] Furthermore, a water vapor separation component is provided inside the flash tank body, and the steam inlet pipe is installed inside the water vapor separation component.

[0009] Furthermore, the steam outlet assembly comprises a recovery pipe installed on the top of the flash tank body, and a second valve is provided on the recovery pipe.

[0010] Furthermore, a cyclone element is provided between the water vapor separation element and the recovery pipe.

[0011] Furthermore, the drainage assembly comprises a drainage pipe installed on the flash tank body, and a drainage valve is installed on the drainage pipe.

[0012] Furthermore, a plurality of groups of supporting legs are provided at the bottom of the flash tank body.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the flash tank which is resistant to water level fluctuations cooperates with the flash tank body, the steam inlet assembly, the steam outlet assembly, the sewage discharge assembly, the sewage discharge pipe and the sewage discharge valve. Therefore, during use, when the water vapor entering the flash tank body is processed by the internal equipment of the flash tank body, it is discharged to the equipment that needs to use steam through the steam outlet assembly, thereby improving resource utilization. The impurities in the water vapor will abut against the inside of the flash tank body. When used for a long time, the sewage discharge valve is started, and the impurities inside the flash tank body are discharged through the sewage discharge pipe, thereby meeting the need for cleaning the inside of the flash tank body and achieving better use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For ordinary technicians in this field, other drawings can also be obtained based on these drawings.

[0015] Figure 1 The overall structural diagram provided for the embodiment of the utility model;

[0016] Figure 2 A partial top view schematic diagram of the structure provided by an embodiment of the utility model;

[0017] Figure 3 A schematic diagram of the bottom top view structure provided by an embodiment of the utility model;

[0018] Figure 4 A schematic diagram of the structure of a cyclone element provided in an embodiment of the utility model.

[0019] Explanation of the accompanying drawings: 1. Flash tank body; 2. Support legs; 3. Steam inlet pipe; 4. First valve; 5. Drain valve; 6. Recovery pipe; 7. Second valve; 8. Cyclone element; 9. Water vapor separation element; 10. Drain pipe; 11. Drain pipe; 12. Drain valve. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 The utility model provides a technical solution: a flash tank resistant to water level fluctuations, comprising a flash tank body 1, a steam inlet assembly for introducing steam into the flash tank body 1 is arranged on one side of the flash tank body 1; a steam outlet assembly is arranged on the top of the flash tank body 1, for recovering secondary steam after water vapor separation; a liquid drain assembly is arranged on the side of the flash tank body 1 away from the steam outlet assembly, for discharging water from the flash tank body 1; a sewage discharge assembly is arranged at the bottom of the flash tank body 1, and the sewage discharge assembly comprises a sewage discharge pipe 11 installed on the bottom of the flash tank body 1, and a sewage discharge valve 5 is installed on the sewage discharge pipe 11.

[0022] Specifically, the flash tank that is resistant to water level fluctuations includes a flash tank body 1, which is a prior art. Various electrical components are arranged on the flash tank body 1, such as a pressure gauge for detecting the inside of the flash tank body 1, etc., to facilitate the use of the entire flash tank. A steam inlet assembly for introducing steam into the flash tank body 1 is arranged on one side of the flash tank body 1, so as to facilitate the recovery of the steam after use. Specifically, the side of the steam inlet assembly away from the flash tank body 1 is connected to a device that can produce steam. When the device is working, the produced steam enters the flash tank body 1 through the steam inlet assembly, which is convenient for steam recovery. A steam outlet assembly is arranged on the top of the flash tank body 1, which is used to recover the secondary steam after water vapor separation. Specifically, when the steam outlet assembly is in use, it is connected to the equipment that needs to use steam in the outside world, so that the recovered steam can be directly sent to the inside of the predetermined equipment after being processed through the steam outlet assembly during use, which is convenient for the recovery of secondary steam and improves resource utilization. A drain assembly is provided on one side of the flash tank body 1 away from the steam outlet assembly, which is used to discharge the water inside the flash tank body 1. Therefore, during use, it is convenient to discharge the liquid inside the flash tank body 1. Specifically, a sewage discharge assembly is provided at the bottom of the flash tank body 1, and the sewage discharge assembly includes a sewage discharge pipe 11 installed on the bottom of the flash tank body 1, and a sewage discharge valve 5 is installed on the sewage discharge pipe 11. Therefore, during use, when the water vapor entering the flash tank body 1 is processed by the internal equipment of the flash tank body 1, it is discharged to the equipment that needs to use steam through the steam outlet assembly to improve resource utilization, and the impurities inside the water vapor will abut against the inside of the flash tank body 1. When used for a long time, the sewage discharge valve 5 is started, and the impurities inside the flash tank body 1 are discharged through the sewage discharge pipe 11, thereby meeting the need for cleaning the inside of the flash tank body 1 and achieving a better use effect.

[0023] In the embodiment provided by the utility model, the steam inlet assembly includes a steam inlet pipe 3 installed on the flash tank body 1, and a first valve 4 is installed on the steam inlet pipe 3 to control the steam inlet of the steam inlet pipe 3. The steam inlet pipe 3 is connected to the external equipment through a connecting flange, and steam is introduced into the flash tank body 1 through the first valve 4.

[0024] In the embodiment provided by the utility model, a water vapor separation component 9 is provided inside the flash tank body 1, and the steam inlet pipe 3 is installed inside the water vapor separation component 9, so as to further improve the water vapor separation effect in the secondary steam.

[0025] In the embodiment provided by the utility model, the steam outlet assembly includes a recovery pipe 6 installed on the top of the flash tank body 1, the recovery pipe 6 is connected to external equipment to facilitate the recovery of secondary steam, and a second valve 7 is provided on the recovery pipe 6.

[0026] In the embodiment provided by the utility model, a cyclone element 8 is provided between the water vapor separation element 9 and the recovery pipe 6 to further improve the discharge efficiency of the secondary steam.

[0027] In the embodiment provided by the utility model, the liquid drain assembly includes a liquid drain pipe 10 installed on the flash tank body 1 , and a drain valve 12 is installed on the liquid drain pipe 10 to facilitate the discharge of liquid inside the flash tank body 1 .

[0028] In the embodiment provided by the utility model, a plurality of groups of supporting legs 2 are arranged at the bottom of the flash tank body 1, which can further improve the stability of the bottom of the entire flash tank body 1 during use, and achieve better use effect.

[0029] It should be noted that the electrical equipment involved in this application can be powered by batteries or external power supply.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A flash tank resistant to water level fluctuations, comprising a flash tank body (1), characterized in that: A steam inlet assembly for introducing steam into the flash tank body (1) is provided on one side of the flash tank body (1); A steam outlet assembly is provided on the top of the flash tank body (1) for recovering secondary steam after water vapor separation; A liquid drain component is provided on a side of the flash tank body (1) away from the steam outlet component, and is used to drain water from the flash tank body (1); A sewage discharge assembly is provided at the bottom of the flash tank body (1), wherein the sewage discharge assembly comprises a sewage discharge pipe (11) installed at the bottom of the flash tank body (1), and a sewage discharge valve (5) is installed on the sewage discharge pipe (11); The steam inlet assembly comprises a steam inlet pipe (3) mounted on the flash tank body (1); a first valve (4) is mounted on the steam inlet pipe (3) for controlling the steam inlet of the steam inlet pipe (3); A water vapor separation component (9) is provided inside the flash tank body (1), and the steam inlet pipe (3) is installed inside the water vapor separation component (9); The steam outlet assembly comprises a recovery pipe (6) installed on the top of the flash tank body (1), and a second valve (7) is provided on the recovery pipe (6); A cyclone element (8) is provided between the water vapor separation element (9) and the recovery pipe (6).

2. A flash tank resistant to water level fluctuation according to claim 1, characterized in that: The liquid drainage assembly comprises a liquid drainage pipe (10) installed on the flash tank body (1), and a drainage valve (12) is installed on the liquid drainage pipe (10).

3. A flash tank resistant to water level fluctuation according to claim 1, characterized in that: A plurality of groups of supporting legs (2) are arranged at the bottom of the flash tank body (1).

Images