An integrated inverted bucket steam trap

Abstract

The utility model relates to the field of steam trap, relate to an integrated inverted bucket steam trap, the utility model discloses: the steam trap and outer connection annex, the steam trap includes steam trap body and valve cover, be equipped with first water inlet and first water outlet on the valve cover, the outer connection annex is connected in one side of valve cover, the outer connection annex includes annex body, the annex body is integrally connected with water inlet piston valve and drainage piston valve, be equipped with inlet, outlet, second water inlet and second drainage on the annex body, the second water inlet is aligned with first water inlet and is communicated and sets up, the second drainage is aligned with first water outlet and is communicated and sets up, the water inlet piston valve connects second water inlet with inlet, the drainage piston valve connects second drainage with outlet, make the advantage of inverted bucket steam trap to be used, and the service life is lengthened.

Description

Technical Field

[0001] This utility model relates to the field of steam traps, and specifically to an integrated inverted bucket steam trap. Background Technology

[0002] In the application of steam traps, the installation of traditional steam systems typically requires combining the steam trap with accessories such as gate valves, filters, and check valves. For example, common installation methods include combinations such as "gate valve + steam trap + gate valve" and "gate valve + filter + steam trap + gate valve" (e.g.,...). Figures 4 to 7 (As shown). This traditional combination method has significant technical drawbacks: First, the splicing of valves leads to numerous system interfaces and an increased number of sealing surfaces, which not only increases installation complexity but also the risk of leakage. Second, the complex piping structure significantly increases the difficulty of insulation construction, and post-weld flaw detection is required, increasing construction and time costs. Third, each component occupies a large space when installed independently, and maintenance requires disassembly one by one, resulting in low maintenance efficiency. In addition, when the system pressure differential is insufficient, the installation complexity of traditional pump-valve combination systems further increases, making it difficult to meet the compact and efficient industrial demands. Utility Model Content

[0003] This invention provides an integrated inverted bucket steam trap to address the problems of existing technologies.

[0004] The objective of this utility model can be achieved through the following technical solution: An integrated inverted tank steam trap includes a steam trap and an external accessory. The steam trap includes a steam trap body and a valve cover. The valve cover is provided with a first inlet and a first outlet. The external accessory is connected to one side of the valve cover. The external accessory includes an accessory body. An inlet piston valve and a drain piston valve are integrally connected to the accessory body. The accessory body is provided with an inlet, an outlet, a second inlet, and a second drain outlet. The second inlet is aligned with and connected to the first inlet. The second drain outlet is aligned with and connected to the first outlet. The inlet piston valve connects the second inlet to the inlet. The drain piston valve connects the second drain outlet to the outlet.

[0005] In a further improvement, a bucket assembly is provided inside the drain valve body, and the first water inlet and the bucket assembly are connected by a guide pipe, with a check valve provided at one end of the guide pipe.

[0006] In a further improvement, both the inlet piston valve and the drain piston valve include a handwheel and a valve stem, and graphite packing is provided between the valve stem and the accessory body.

[0007] In a further improvement, the inlet piston valve and the drain piston valve are arranged in a V-shape on the accessory body.

[0008] In a further improvement, the accessory body is also provided with a water inlet chamber, which is located between the inlet and the second water inlet and connects the inlet and the second water inlet. A filter is provided in the water inlet chamber, and a filter plug is also provided on the accessory body to fix the filter.

[0009] In a further improvement, the accessory body is provided with a test port, which is connected to the second drain outlet and has a test port plug at one end. The test port and the second drain outlet are connected through the interior of the accessory body. A bypass port is provided on one side of the accessory body corresponding to the test port. The bypass port is connected to the test port and the test port plug can block the bypass port when fully inserted into the test port.

[0010] In a further improvement, the first inlet and the first outlet of the valve cover are both located on the side facing the external accessory, and the inlet and outlet of the accessory body are both connected to the external pipeline by threaded connection or flange connection.

[0011] In a further improvement, a sealing gasket is provided between the valve cover and the drain valve body, and the two are fixedly connected by bolts. A sealing ring is provided on the connection surface between the valve cover and the accessory body, and the two are fixedly connected by a universal flange.

[0012] Compared with existing technologies, the advantages of this integrated inverted tank steam trap are as follows:

[0013] By integrating traditional inverted tank steam traps with gate valves, check valves, filters, test valves, and other functional components into a single valve body through an integrated design, the system eliminates threaded or flanged connections between multiple components, reduces the number of sealing surfaces and leakage risks, and improves system reliability, thus fully utilizing the advantages of inverted tank steam traps. The integrated structure saves installation space and costs, simplifies pipeline layout, and makes the use, maintenance, and testing of steam traps more convenient. It supports selective configuration of functional modules according to actual needs, and the inlet and outlet can be connected via threads or flanges to adapt to various pipeline installation scenarios. The use of corrosion-resistant materials and optimized sealing structure extends the service life of the equipment, and the integrated design facilitates pressure and sealing performance testing, effectively ensuring the safe operation of the steam system. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the integrated inverted tank steam trap of this utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the steam trap in this utility model;

[0016] Figure 3 A schematic diagram of the structure of the external connection accessory in this utility model;

[0017] Figure 4 This is a schematic diagram illustrating different forms of combining a steam trap with other valves in the prior art.

[0018] Figure 5 This is a schematic diagram of two different structural forms of combining a steam trap with other valves in the prior art;

[0019] Figure 6 This is a schematic diagram of three different structural forms of combining a steam trap with other valves in the prior art;

[0020] Figure 7 This is a schematic diagram of four different structural forms of combining a steam trap with other valves in the prior art.

[0021] In the diagram, 1-Steam trap, 11-Steam trap body, 12-Guide pipe, 13-Pool assembly, 14-Check valve, 15-Sealing gasket, 16-Sealing ring, 17-Valve cover, 171-First inlet, 172-First outlet, 18-Universal flange, 19-Bolt, 2-External accessory, 21-Filter plug, 22-Filter, 23-Accessory body, 24-Inlet, 25-Outlet, 26-Glander cap, 27-Valve stem, 28-Handwheel, 29-Second drain, 30-Second inlet, 31-Test port, 311-Test port plug, 32-Bypass port, 33-Inlet piston valve, 34-Drain piston valve, 35-Graphite packing. Detailed Implementation

[0022] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model; unless otherwise expressly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, they can refer to fixed connections or detachable connections, etc. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0023] The following is a description of the embodiments and appendices. Figures 1-7 The technical solution of this utility model will be further described below.

[0024] Example 1

[0025] An integrated inverted steam trap includes: a steam trap 1 and an external accessory 2. The steam trap 1 includes a steam trap body 11 and a valve cover 17. The valve cover 17 is provided with a first inlet 171 and a first outlet 172. The external accessory 2 is connected to one side of the valve cover 17. The external accessory 2 includes an accessory body 23. An inlet piston valve 33 and a drain piston valve 34 are integrally connected to the accessory body 23. The accessory body 23 is provided with an inlet 24, an outlet 25, a second inlet 30, and a second drain outlet 29. The second inlet 30 is aligned with and communicates with the first inlet 171. The second drain outlet 29 is aligned with and communicates with the first outlet 172. The inlet piston valve 33 connects the second inlet 30 to the inlet 24. The drain piston valve 34 connects the second drain outlet 29 to the outlet 25.

[0026] As a further preferred embodiment, the drain valve body 11 is internally provided with a bucket assembly 13. The first inlet 171 and the bucket assembly 13 are connected by a guide pipe 12. A check valve 14 is provided at one end of the guide pipe 12. The bucket assembly 13 inside the drain valve body 11 is connected to the first inlet 171 through the guide pipe 12. When condensate flows in, the bucket sinks due to gravity, causing the valve disc to open and drain; when steam enters, the bucket floats up and closes the valve disc, realizing the "steam-blocking drainage" function. The check valve 14 inside the bucket assembly can prevent condensate from flowing back during drainage, ensuring unidirectional flow of condensate.

[0027] In a further preferred embodiment, both the inlet piston valve 33 and the drain piston valve 34 include a handwheel 28 and a valve stem 27, with graphite packing 35 disposed between the valve stem 27 and the accessory body 23. The inlet piston valve 33 and the drain piston valve 34 adopt a "handwheel 28 + valve stem 27" structure, with graphite packing 35 disposed between the valve stem and the accessory body 23. When the handwheel is rotated, the valve stem moves axially to control the valve opening, and the graphite packing is pressed together by the gland to form a dynamic sealing surface, preventing media leakage.

[0028] As a further preferred embodiment, the inlet piston valve 33 and the drain piston valve 34 are arranged in a V-shape on the accessory body 23. Compared with the traditional side-by-side arrangement, the V-shaped structure can reduce the lateral space occupied, and the valve operating handles do not interfere with each other, making it easier for operators to access both valves at the same time, thus improving on-site operating efficiency.

[0029] As a further preferred embodiment, the accessory body 23 is further provided with a water inlet chamber, which is located between and connects the inlet 24 and the second inlet 30. A filter 22 is installed in the water inlet chamber, and a filter plug 21 is also provided on the accessory body 23 to fix the filter 22. The water inlet chamber of the accessory body 23, located between the inlet 24 and the second inlet 30, allows the built-in filter 22 to intercept impurities such as rust and welding slag in the condensate. The filter plug 21 is used to fix the filter element and facilitates disassembly and cleaning.

[0030] In a further preferred embodiment, the accessory body 23 is provided with a test port 31, which is connected to the second drain outlet 29, and a test port plug 311 is provided at one end of the test port 31. The test port 31 and the second drain outlet 29 are connected through the interior of the accessory body 23. A bypass port 32 is provided on the side of the accessory body 23 corresponding to the test port 31. The bypass port 32 is connected to the test port 31, and the test port plug 311 can block the bypass port 32 when it is fully inserted into the test port 31. The test port 31 is connected to the interior of the second drain outlet 29, and the test port plug 311 can control the opening and closing. The bypass port 32 is connected to the test port 31, and when the plug is fully inserted into the test port, its sealing end blocks the bypass port. During testing, the drain plug is opened and the drain piston valve 34 is closed to observe the drain status of the steam trap. The bypass port is connected to the water collection pipe via a hose to prevent condensate from spraying during testing. The working status of the steam trap can be determined without additional testing instruments, shortening the testing time. The bypass design ensures testing safety and avoids operational risks caused by high-temperature condensate splashing.

[0031] As a further preferred embodiment, the first inlet 171 and the first outlet 172 of the valve cover 17 are both located on the side facing the external connection accessory 2, and the inlet 24 and outlet 25 of the accessory body 23 are both connected to the external pipe by threaded connection or flange connection.

[0032] As a further preferred embodiment, a sealing gasket 15 is provided between the valve cover 17 and the drain valve body 11 and the two are fixedly connected by bolts 19. A sealing ring 16 is provided on the connecting surface between the valve cover 17 and the accessory body 23 and the two are fixedly connected by a universal flange 18.

[0033] like Figures 1-3As shown, the working principle of this utility model is as follows: the main body of the steam trap is integrated with the external accessories. The valve cover 17 of the steam trap 1 is connected to the external accessory 2 via a universal flange 18, wherein the first inlet 171 and the first outlet 172 of the valve cover 17 are aligned and connected to the second inlet 30 and the second outlet 29 of the external accessory 2, respectively. The accessory body 23 of the external accessory 2 is integrally equipped with an inlet piston valve 33 and a drain piston valve 34: when condensate flows in from the inlet 24, the inlet piston valve 33 opens, and the condensate enters the steam trap body 11 through the second inlet 30 and the first inlet 171. After the steam and condensate are separated by the condensate-draining mechanism of the internal bucket assembly 13, the condensate is discharged from the outlet 25 through the first outlet 172 and the second outlet 29 via the opened drain piston valve 34. The piston valve is controlled by the valve stem 27 driven by the handwheel 28, and the graphite packing 35 ensures the sealing performance between the valve stem and the valve body.

[0034] Traditionally separate components such as steam traps and gate valves are integrated into one unit, eliminating threaded or flanged connections between multiple components, reducing the number of sealing surfaces, and reducing the risk of leakage at the source; the integral casting structure eliminates the need for complex pipeline splicing, and water flow can be controlled directly through external accessories during maintenance without disassembling the entire system; the piston valve's sealing structure, combined with stainless steel material, can adapt to high temperature and high pressure conditions.

[0035] The steam trap 1 and external accessory 2 are made of stainless steel. The piston valve uses a double seal of stainless steel sealing ring and graphite packing. The sealing ring has a non-rotating design to avoid dirt from wearing the sealing surface.

[0036] The preferred embodiments of this utility model have been described in detail above. It should be understood that those skilled in the art can make numerous modifications and variations based on the concept of this utility model without creative effort. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of this utility model through logical analysis, reasoning, or limited experimentation on the basis of existing technology should be within the scope of protection defined by the claims.

Claims

1. An integrated inverted tank steam trap, characterized in that, include: A steam trap and an external accessory are provided. The steam trap includes a steam trap body and a valve cover. The valve cover is provided with a first inlet and a first outlet. The external accessory is connected to one side of the valve cover. The external accessory includes an accessory body. An inlet piston valve and a drain piston valve are integrally connected to the accessory body. The accessory body is provided with an inlet, an outlet, a second inlet, and a second drain outlet. The second inlet is aligned with and connected to the first inlet. The second drain outlet is aligned with and connected to the first outlet. The inlet piston valve connects the second inlet to the inlet. The drain piston valve connects the second drain outlet to the outlet. The drain valve body is equipped with a bucket assembly inside, and the first water inlet and the bucket assembly are connected by a guide pipe. A check valve is provided at one end of the guide pipe. The inlet piston valve and the outlet piston valve are arranged in a V-shape on the accessory body; The accessory body is also provided with a water inlet chamber, which is located between the inlet and the second water inlet and connects the inlet and the second water inlet. A filter is provided in the water inlet chamber, and a filter plug is also provided on the accessory body to fix the filter.

2. The integrated inverted tank steam trap according to claim 1, characterized in that, Both the inlet piston valve and the drain piston valve include a handwheel and a valve stem, and graphite packing is provided between the valve stem and the accessory body.

3. The integrated inverted tank steam trap according to claim 1, characterized in that, The accessory body is provided with a test port, which is connected to the second drain outlet and a test port plug is provided at one end of the test port. The test port and the second drain outlet are connected through the interior of the accessory body. A bypass port is provided on one side of the accessory body corresponding to the test port. The bypass port is connected to the test port and the test port plug can block the bypass port when fully inserted into the test port.

4. The integrated inverted tank steam trap according to claim 1, characterized in that, The first inlet and the first outlet of the valve cover are both located on the side facing the external accessory. The inlet and outlet of the accessory body are both connected to the external pipe via threaded connection or flange connection.

5. The integrated inverted tank steam trap according to claim 1, characterized in that, A sealing gasket is provided between the valve cover and the drain valve body, and the two are fixedly connected by bolts. A sealing ring is provided on the connecting surface between the valve cover and the accessory body, and the two are fixedly connected by a universal flange.

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