Defogging device for waste water tank of steam system

Abstract

The utility model discloses a steam system waste water tank defogging device which comprises a waste water tank cover and a waste water tank body, and the waste water tank cover is installed and connected to the top end of the waste water tank body. The efficient demisting silk screen is fixedly connected to the inner side of the stainless steel vent pipe through the upper supporting plate and the lower supporting plate, the efficient demisting silk screen can be conveniently connected to a condensation water return pipe in a sleeved mode through the pagoda connector, and then one side of the stainless steel vent pipe is connected with the connecting short pipe in a penetrating mode and used for cooling. And then an efficient demisting silk screen in the stainless steel vent pipe can filter impurities in waste gas on one hand, and can filter a large amount of water in the steam on the other hand, so that the water is intercepted on the efficient demisting silk screen, and the situation that the humidity of the surrounding environment is too high, and consequently equipment is corroded is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of steam systems, and particularly relates to a demisting device for a waste water tank of a steam system. Background Technique

[0002] In industrial and heating processes using steam, the steam generated in a boiler is transmitted through pipelines to various industrial process sites in a high-temperature and high-pressure state to apply the energy in the steam. Some steam system components, such as discharge tanks, have steam vent pipes with open ends at the end for discharging steam to the atmosphere. Among them, the Spirax Sarco VHT type vent cap can safely discharge dry steam to the atmosphere, avoiding the possibility of causing discomfort or injury to personnel or damage to buildings. The vent cap contains an internal flow restrictor that can separate the entrained water from the steam.

[0003] The existing demisting device for a waste water tank of a steam system uses a Spirax Sarco VHT type vent cap, which not only has a high price but also cannot effectively purify the waste gas during use, resulting in a poor use effect. Content of the Utility Model

[0004] The purpose of the utility model is to provide a demisting device for a waste water tank of a steam system to solve the problem that the existing demisting device for a waste water tank of a steam system uses a Spirax Sarco VHT type vent cap, which not only has a high price but also cannot effectively purify the waste gas during use, resulting in a poor use effect as mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A demisting device for a waste water tank of a steam system, including a waste water tank cover and a waste water tank body. The waste water tank cover is installed and connected to the top of the waste water tank body. A float level gauge is arranged on the upper left side of the waste water tank cover. A connection component is arranged on the waste water tank cover at the rear end of the float level gauge. A return water component is arranged at the upper end of the connection component. A ventilation component is arranged at the front end of the return water component. A condensation return pipe is arranged on the waste water tank body at the lower end of the ventilation component. An exhaust pipe joint is arranged on the upper right side of the waste water tank cover. An anti-washing sewage discharge interface is arranged on the waste water tank cover at the left end of the exhaust pipe joint. A steam dispersion pipe is arranged inside the waste water tank body. A cooling water pipeline joint is arranged on the upper front side of the waste water tank body. A sewage pipeline joint is arranged at the right end inside the waste water tank body. A sewage pump water inlet is arranged on the upper left side of the front of the waste water tank body.

[0006] Among them, the ventilation component includes a reduced-diameter joint, a lower support plate, a high-efficiency demisting wire mesh, a stainless-steel ventilation pipe, an upper support plate, and a taper joint. An upper support plate is arranged at the upper end inside the stainless-steel ventilation pipe. A high-efficiency demisting wire mesh is arranged at the lower end of the upper support plate. A lower support plate is arranged at the lower end of the high-efficiency demisting wire mesh. A reduced-diameter joint is arranged at the lower end of the stainless-steel ventilation pipe. A taper joint is arranged at the lower end of the reduced-diameter joint. The stainless-steel ventilation pipe is connected to the return water component.

[0007] Among them, the return water component includes fixing bolts, connecting short pipes, welded elbows, decorative pipes, and first flange plates. Fixing bolts are arranged around the upper end of the first flange plate. A decorative pipe is arranged in the middle of the upper end of the first flange plate. A welded elbow is arranged at the top end of the decorative pipe. A connecting short pipe is arranged at the front end of the welded elbow. The first flange plate is connected to the connecting component through fixing bolts.

[0008] Among them, the connecting component includes installation threaded holes, sealing gaskets, threaded pipes, filter screens, and second flange plates. Installation threaded holes are arranged around the upper end of the second flange plate. A sealing gasket is arranged at the upper end of the second flange plate. A threaded pipe is arranged in the middle of the lower end of the second flange plate. A filter screen is arranged at the bottom end of the threaded pipe. The threaded pipe is connected to the cover of the wastewater tank.

[0009] Among them, the cover of the wastewater tank and the connecting component are connected and installed by means of threaded rotation, and the connecting component is connected to the upper rear side position of the cover of the wastewater tank.

[0010] Among them, the condensation return water pipe and the ventilation component are connected and installed by means of socket connection, and the condensation return water pipe is connected to the lower end position of the ventilation component.

[0011] Among them, L-shaped angle plates are also arranged at the four lower corners of the wastewater tank body.

[0012] In summary, due to the adoption of the above technology, the beneficial effects of the present utility model are:

[0013] 1. In the present utility model, through the combined use of the ventilation component, the connection component and the water return component, the steam can be cooled and filtered. When installing the ventilation component, the high-efficiency demisting wire mesh is fixedly connected to the inner side of the stainless steel ventilation pipe by using the upper support plate and the lower support plate, so that it is not easy to fall off during use. Further, the taper joint at the lower end of the reducer joint is convenient for sleeving on the condensate return pipe, and the sleeved connection method makes the installation more convenient and facilitates disassembly and replacement in the later stage. Then, one side of the stainless steel ventilation pipe is connected to the connecting short pipe in a through manner for cooling use. When in use, cold water enters the stainless steel ventilation pipe through the threaded pipe and the decorative pipe, and can cool the steam. Then, through the high-efficiency demisting wire mesh in the stainless steel ventilation pipe, on the one hand, impurities in the waste gas can be filtered, and on the other hand, a large amount of moisture in the steam can be filtered, so that the moisture is intercepted on the high-efficiency demisting wire mesh, avoiding excessive humidity in the surrounding environment and thus causing corrosion of various equipment.

[0014] 2. In the present utility model, through the combined use of the connection component and the water return component, the water can be filtered and the steam can be cooled by the water. When installing the connection component, first, the threaded pipe is convenient for rotary connection to the cover of the waste water tank. The second flange and the installation threaded holes around the upper end are convenient for connecting the water return component. During installation, through the sealing gasket, the connection is made more tightly and firmly, and it has a sealing effect during use. When in use, the water inlet pipe inputs water into the body of the waste water tank. The filter screen at the bottom end of the threaded pipe can filter the water flow and filter out some impurities, avoiding the blockage of the pipeline. Then, the water enters the ventilation component through the decorative pipe, the welded elbow and the connecting short pipe, and the temperature of the cold water cools the steam. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a partial sectional structure schematic diagram of a steam system waste water tank de-misting device of the present utility model;

[0016] Figure 2 It is an enlarged structure schematic diagram of area A of a steam system waste water tank de-misting device of the present utility model;

[0017] Figure 3 It is a sectional structure schematic diagram of the ventilation component of a steam system waste water tank de-misting device of the present utility model;

[0018] Figure 4 It is a structure schematic diagram of the water return component of a steam system waste water tank de-misting device of the present utility model;

[0019] Figure 5 It is a structure schematic diagram of the connection component of a steam system waste water tank de-misting device of the present utility model.

[0020] In the figure: 1. Float level gauge; 2. Wastewater tank cover; 3. Cooling water pipe joint; 4. Wastewater tank body; 5. Connecting assembly; 51. Mounting threaded hole; 52. Sealing gasket; 53. Threaded pipe; 54. Filter screen; 55. Second flange; 6. Return water assembly; 61. Fixing bolt; 62. Connecting short pipe; 63. Welding elbow; 64. Decorative pipe; 65. First flange; 7. Condensate return pipe; 8. Ventilation assembly; 81. Reducer; 82. Lower support plate; 83. High-efficiency demisting screen; 84. Stainless steel vent pipe; 85. Upper support plate; 86. Pagoda joint; 9. Sewage pump inlet; 10. Steam release pipe; 11. Backwash sewage interface; 12. Exhaust pipe joint; 13. Sewage pipe joint. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for which protection is claimed, but merely represents selected embodiments of the present invention.

[0022] Example 1

[0023] Reference Figure 1 、 Figure 2 and Figure 3, A de-misting device for the waste water tank of a steam system, comprising a waste water tank cover 2 and a waste water tank body 4. The waste water tank cover 2 is installed and connected to the top of the waste water tank body 4. On the upper left side of the waste water tank cover 2, there is a float level gauge 1. At the rear end of the float level gauge 1, a connection assembly 5 is provided on the waste water tank cover 2. At the upper end of the connection assembly 5, there is a return water assembly 6. At the front end of the return water assembly 6, there is a ventilation assembly 8. At the lower end of the ventilation assembly 8, a condensate return pipe 7 is provided on the waste water tank body 4. On the upper right side of the waste water tank cover 2, there is an exhaust pipe joint 12. On the left end of the exhaust pipe joint 12, an anti-wash sewage discharge interface 11 is provided on the waste water tank cover 2. Inside the waste water tank body 4, there is a steam discharge pipe 10. On the upper front side of the waste water tank body 4, there is a cooling water pipe joint 3. At the right end inside the waste water tank body 4, there is a sewage pipe joint 13. On the left front side of the waste water tank body 4, there is a sewage pump inlet 9. When using this device, first, connect the sewage pump inlet 9 to an external sewage pump for discharging sewage, connect the sewage pipe joint 13 to an external boiler sewage pipe for the input of sewage, then connect the anti-wash sewage discharge interface 11 to a water inlet pipe for flushing the internal pipeline, connect the cooling water pipe joint 3 to a water pipe for cooling, and connect the exhaust pipe joint 12 to a boiler gas pipe. When in use, the boiler steam enters the waste water tank body 4 through the exhaust pipe joint 12, and the water pipe inputs water into the waste water tank body 4. The water flow can be filtered through the filter screen 54 at the bottom end of the threaded pipe 53 to filter out some impurities and prevent pipeline blockage. Then, the steam is cooled by the temperature of the cold water. After that, through the high-efficiency demisting wire mesh 83 in the stainless steel ventilation pipe 84, on the one hand, it can filter out the impurities in the exhaust gas, and on the other hand, it can filter out a large amount of moisture in the steam, intercepting the moisture on the high-efficiency demisting wire mesh 83 to avoid excessive humidity in the surrounding environment, which may cause corrosion of various equipment. Moreover, L-shaped angle plates are provided at the four bottom corners of the waste water tank body 4, facilitating the use of bolts to fix it on external fixing parts, making it not easy to slide during use. The overall structure of this device is simple, convenient to replace, low in price, and easy to use.

[0024] In the present utility model, the condensate return pipe 7 and the ventilation component 8 are connected and installed in a sleeved manner, and the condensate return pipe 7 is connected to the lower end of the ventilation component 8. The ventilation component 8 includes a reducing joint 81, a lower support plate 82, a high-efficiency demisting wire mesh 83, a stainless steel ventilation pipe 84, an upper support plate 85, and a taper adapter 86. An upper support plate 85 is arranged at the upper end inside the stainless steel ventilation pipe 84. A high-efficiency demisting wire mesh 83 is arranged at the lower end of the upper support plate 85. A lower support plate 82 is arranged at the lower end of the high-efficiency demisting wire mesh 83. A reducing joint 81 is arranged at the lower end of the stainless steel ventilation pipe 84. A taper adapter 86 is arranged at the lower end of the reducing joint 81. The stainless steel ventilation pipe 84 is connected to the return water component 6. When installing the ventilation component 8, the upper support plate 85 and the lower support plate 82 are used to fixedly install the high-efficiency demisting wire mesh 83 inside the stainless steel ventilation pipe 84, so that it is not easy to fall off during use. Further, the taper adapter 86 at the lower end of the reducing joint 81 is convenient for sleeving on the condensate return pipe 7. The sleeved connection and installation method makes the installation more convenient and is also convenient for disassembly and replacement later. Then, one side of the stainless steel ventilation pipe 84 is connected to the connecting short pipe 62 in a through manner for cooling use. When in use, cold water enters the stainless steel ventilation pipe 84 through the threaded pipe 53 and the decorative pipe 64, which can cool the steam. Then, the high-efficiency demisting wire mesh 83 in the stainless steel ventilation pipe 84 can, on the one hand, filter impurities in the waste gas, and on the other hand, filter a large amount of moisture in the steam, intercepting the moisture on the high-efficiency demisting wire mesh 83 to avoid excessive humidity in the surrounding environment, thereby causing corrosion of various devices.

[0025] In the present utility model, L-shaped angle plates are also arranged at the four lower corners of the waste water tank body 4. During installation, the L-shaped angle plates arranged at the four lower corners of the waste water tank body 4 facilitate fixing it on an external fixing member with bolts, so that it is not easy to slide during use.

[0026] Working principle: When using this device, first, connect the water inlet 9 of the sewage pump to an external sewage pump for discharging sewage, connect the sewage pipeline joint 13 to an external boiler sewage pipeline for inputting sewage, then connect the backwashing sewage interface 11 to the water inlet pipe for flushing the internal pipeline, connect the cooling water pipeline joint 3 to the water pipe for cooling, and connect the exhaust pipe joint 12 to the boiler gas pipe. When in use, the boiler steam enters the waste water tank body 4 through the exhaust pipe joint 12, and the water pipe inputs water into the waste water tank body 4. The water flow can be filtered by the filter screen 54 at the bottom end of the threaded pipe 53 to filter out some impurities and prevent pipeline blockage. The steam is cooled by the temperature of the cold water. Then, the high-efficiency demisting wire mesh 83 in the stainless steel air-permeable pipe 84 can, on the one hand, filter out impurities in the waste gas, and on the other hand, filter out a large amount of water in the steam, intercepting the water on the high-efficiency demisting wire mesh 83 to avoid excessive humidity in the surrounding environment, thereby causing corrosion of various equipment. Moreover, L-shaped angle plates are provided at the four lower corners of the waste water tank body 4, facilitating the use of bolts to fix it on external fixing parts, making it not easy to slide during use. The overall structure of this device is simple, convenient to replace, low in price, and easy to use.

[0027] Embodiment 2

[0028] Refer to Figure 1 and Figure 4 A steam system waste water tank defogging device. Compared with Embodiment 1, the return water assembly 6 includes fixing bolts 61, connecting short pipes 62, welded elbow pipes 63, decorative pipes 64, and first flange plates 65. A circle of fixing bolts 61 is arranged at the upper end of the first flange plate 65, a decorative pipe 64 is arranged in the middle of the upper end of the first flange plate 65, a welded elbow pipe 63 is arranged at the top end of the decorative pipe 64, a connecting short pipe 62 is arranged at the front end of the welded elbow pipe 63, and the first flange plate 65 is connected to the connecting assembly 5 through the fixing bolts 61.

[0029] Working principle: When installing the return water assembly 6, first, fixedly connect the connecting short pipe 62 to the air-permeable assembly 8 to prevent it from falling off during use. Further, rotate the fixing bolts 61 around the upper end of the first flange plate 65, which are rotatably connected to the installation threaded holes 51 around the upper end of the second flange plate 55. In this way, the installation through flange connection is more convenient. And when installing, a sealing gasket 52 is placed between the two flange plates to make the connection more tightly and firmly, with a sealing effect during use. When in use, the water pipe inputs water into the waste water tank body 4. The water flow can be filtered by the filter screen 54 at the bottom end of the threaded pipe 53 to filter out some impurities and prevent pipeline blockage. Then, the water enters the air-permeable assembly 8 through the decorative pipe 64, the welded elbow pipe 63, and the connecting short pipe 62, and the temperature of the cold water cools the steam.

[0030] Embodiment 3

[0031] Referring to Figure 1 and Figure 5 , a demisting device for the waste water tank of a steam system. Compared with Embodiment 2, the cover 2 of the waste water tank and the connecting component 5 are connected and installed by means of threaded rotation, and the connecting component 5 is connected to the upper rear side position of the cover 2 of the waste water tank. The connecting component 5 includes an installation threaded hole 51, a sealing gasket 52, a threaded pipe 53, a filter screen 54 and a second flange 55. An installation threaded hole 51 is provided around the upper end of the second flange 55, a sealing gasket 52 is provided at the upper end of the second flange 55, a threaded pipe 53 is provided in the middle of the lower end of the second flange 55, a filter screen 54 is provided at the bottom end of the threaded pipe 53, and the threaded pipe 53 is connected to the cover 2 of the waste water tank.

[0032] Working principle: When installing the connecting component 5, first, it is convenient to be rotationally connected to the cover 2 of the waste water tank through the threaded pipe 53. It is convenient to connect the return water component 6 through the second flange 55 and the installation threaded holes 51 around the upper end. During installation, through the sealing gasket 52, the connection is made more tightly and firmly, and it has a sealing effect during use. When in use, the water inlet pipe inputs water into the waste water tank body 4. The water flow can be filtered by the filter screen 54 at the bottom end of the threaded pipe 53 to filter out some impurities and avoid pipeline blockage. Then, the water enters the ventilation component 8 through the decorative pipe 64, the welded elbow 63 and the connecting short pipe 62, so that the temperature of the cold water cools the steam.

[0033] The above is only a preferred specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present invention, according to the technical solution and the inventive concept of the present invention, makes equivalent substitutions or changes, and should be covered within the protection scope of the present invention.

[0034] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A de-fogging device for a waste water tank of a steam system, comprising a waste water tank cover (2) and a waste water tank body (4), characterized in that: The cover (2) of the wastewater tank is installed and connected to the top of the wastewater tank body (4). A float level gauge (1) is arranged on the upper left side of the upper end of the cover (2) of the wastewater tank. A connection assembly (5) is arranged on the cover (2) of the wastewater tank at the rear end of the float level gauge (1). A return water assembly (6) is arranged at the upper end of the connection assembly (5). A ventilation assembly (8) is arranged at the front end of the return water assembly (6). A condensation return water pipe (7) is arranged on the wastewater tank body (4) at the lower end of the ventilation assembly (8). An exhaust pipe joint (12) is arranged on the upper right side of the cover (2) of the wastewater tank. An anti-washing sewage discharge interface (11) is arranged on the cover (2) of the wastewater tank at the left end of the exhaust pipe joint (12). A steam dispersion pipe (10) is arranged inside the wastewater tank body (4). A cooling water pipe joint (3) is arranged on the upper side of the front end of the wastewater tank body (4). A sewage discharge pipe joint (13) is arranged at the right end inside the wastewater tank body (4). A sewage pump water inlet (9) is arranged on the left side of the front end of the wastewater tank body (4).

2. The demisting device for the waste water tank of a steam system according to claim 1, characterized in that: The ventilation assembly (8) includes a reducing joint (81), a lower support plate (82), a high-efficiency demisting wire mesh (83), a stainless steel ventilation pipe (84), an upper support plate (85) and a taper joint (86). An upper support plate (85) is arranged at the upper end inside the stainless steel ventilation pipe (84). A high-efficiency demisting wire mesh (83) is arranged at the lower end of the upper support plate (85). A lower support plate (82) is arranged at the lower end of the high-efficiency demisting wire mesh (83). A reducing joint (81) is arranged at the lower end of the stainless steel ventilation pipe (84). A taper joint (86) is arranged at the lower end of the reducing joint (81). The stainless steel ventilation pipe (84) is connected to the return water assembly (6).

3. The de-fogging device for the waste water tank of the steam system according to claim 1, characterized in that: The return water assembly (6) includes fixing bolts (61), a connecting short pipe (62), a welded elbow (63), a decorative pipe (64) and a first flange (65). Fixing bolts (61) are arranged around the upper end of the first flange (65). A decorative pipe (64) is arranged in the middle of the upper end of the first flange (65). A welded elbow (63) is arranged at the top end of the decorative pipe (64). A connecting short pipe (62) is arranged at the front end of the welded elbow (63). The first flange (65) is connected to the connection assembly (5) through the fixing bolts (61).

4. A de-fogging device for a waste water tank of a steam system according to claim 1, characterized in that: The connection assembly (5) includes installation threaded holes (51), a sealing gasket (52), a threaded pipe (53), a filter screen (54) and a second flange (55). Installation threaded holes (51) are arranged around the upper end of the second flange (55). A sealing gasket (52) is arranged at the upper end of the second flange (55). A threaded pipe (53) is arranged in the middle of the lower end of the second flange (55). A filter screen (54) is arranged at the bottom end of the threaded pipe (53). The threaded pipe (53) is connected to the cover (2) of the wastewater tank.

5. The defogging device for the waste water tank of the steam system according to claim 1, characterized in that: The cover (2) of the wastewater tank and the connection component (5) are connected and installed by means of screw rotation, and the connection component (5) is connected to the rear upper end position of the cover (2) of the wastewater tank.

6. The de-fogging device for the wastewater tank of the steam system according to claim 1, characterized in that: The condensate return pipe (7) and the ventilation component (8) are connected and installed by means of socket connection, and the condensate return pipe (7) is connected to the lower end position of the ventilation component (8).

7. The de - fogging device for the waste water tank of the steam system according to claim 1, characterized in that: L-shaped angle plates are also provided at the four lower corners of the wastewater tank body (4).

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