Condensed water recovery device of shaft seal heat exchanger

Abstract

The utility model relates to the technical field of shaft seal heat exchangers, in particular to a shaft seal heat exchanger condensation water recovery device which comprises a shaft seal heat exchanger body and a condenser hot well arranged on one side of the shaft seal heat exchanger body. A heat exchange stage and a cooling stage of the primary heat exchanger both penetrate through the top wall of the shaft seal heat exchanger body and extend to the outside, the bottom of the shaft seal heat exchanger body is fixedly connected with a first recovery pipe, the first recovery pipe communicates with a first electric vacuum gate valve, and a U-shaped water seal assembly is arranged below the first recovery pipe; one side of the U-shaped water seal assembly is provided with an adjusting assembly, one side of the condenser hot well is communicated with a second recycling pipe, and the second recycling pipe is communicated with a second electric vacuum gate valve. According to the condensation water recycling device, generated condensation water can be automatically recycled at low cost, a large amount of production cost can be saved for enterprises, and economic benefits are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft seal heat exchangers, in particular to a condensate recovery device for a shaft seal heat exchanger. Background Art

[0002] A heat exchanger is a device used to cool or heat a fluid, typically in industrial applications. It consists of a shell and one or more tube bundles filled with a working fluid, such as water or steam. The purpose of a heat exchanger is to heat or cool a fluid by transferring heat from one fluid to another while keeping the two fluids separate. This makes heat exchangers a useful tool for many industrial applications, including power generation, chemical production, food processing, and other industrial processes that require temperature control. The advantages of heat exchangers include compact structure, small footprint, reliable operation, and low maintenance costs. Overall, heat exchangers are a commonly used heat exchange equipment that is used in many industrial processes.

[0003] During the use of the shaft seal heat exchanger, condensate will be generated at the bottom. These high-quality condensate is often discharged directly, resulting in waste. However, water is often used in other processes in the production process. If these condensate can be recycled and reused at low cost and automatically, it will save the company a lot of production costs and improve economic benefits. Therefore, a condensate recovery device for a shaft seal heat exchanger is proposed to address the above problems. Utility Model Content

[0004] The utility model aims to provide a condensate recovery device for a shaft seal heat exchanger to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A condensate recovery device for a shaft seal heat exchanger comprises a shaft seal heat exchanger body and a condenser hot water well arranged on one side of the shaft seal heat exchanger body, a first-stage heat exchanger is provided in the inner cavity of the shaft seal heat exchanger body, a heat exchange stage and a cooling stage of the first-stage heat exchanger both penetrate the top wall of the shaft seal heat exchanger body and extend to the outside, a first recovery pipe is fixedly connected to the bottom of the shaft seal heat exchanger body and a first electric vacuum gate valve is connected to the first recovery pipe, a U-shaped water seal assembly is provided below the first recovery pipe, a regulating assembly is provided on one side of the U-shaped water seal assembly, a second recovery pipe is connected to one side of the condenser hot water well and a second electric vacuum gate valve is connected to the second recovery pipe.

[0007] Preferably, a drain port is provided at the bottom center of the inner cavity of the shaft seal heat exchanger body, and the first recovery pipe is connected to the inner cavity of the shaft seal heat exchanger body through the drain port.

[0008] Preferably, the U-shaped water seal assembly includes a first hose and a second hose with the same specifications as the first hose, and a U-shaped conduit is provided below the first hose and the second hose, and both ends of the U-shaped conduit are respectively connected to the bottom ends of the adjacent first hose and the second hose.

[0009] Preferably, the top end of the first hose is fixedly connected and communicated with the bottom end of the first recovery pipe, the top end of the second hose is fixedly connected and communicated with the bottom end of the second recovery pipe, and the bottoms of the first hose and the second hose are fixedly connected via a connecting rod.

[0010] Preferably, the adjustment assembly includes a support plate, a cylinder is fixedly connected to the top of the support plate on one side close to the first hose, a gear plate is rotatably connected to the output end of the cylinder, a fixed support block is fixedly connected to the top of the support plate on one side away from the cylinder, and an adjustment support plate is fixedly connected to the side wall of the support plate close to the first hose.

[0011] Preferably, an adjustment link fixedly connected to the bottom of the side wall of the first hose is slidably connected on the outer side wall of the adjustment support plate, a connecting block is fixedly connected to the top of the adjustment link, a lifting chain is fixedly connected to the top of the connecting block, the other end of the lifting chain is fixedly connected to the top of the fixed support block and the lifting chain is meshingly connected to the gear plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] In the utility model, the shaft seal heat exchanger body provided can exchange heat and generate condensate, the condensate can be recovered and reused through the condenser hot water well provided, the first recovery pipe provided can cooperate with the first electric vacuum gate valve to introduce the condensate generated in the shaft seal heat exchanger body into the U-shaped water seal component through the drain port, the U-shaped water seal component provided can prevent the air in the shaft seal heat exchanger body from entering the condenser, thereby avoiding the vacuum drop in the condenser and thus preventing the power generation efficiency of the unit from being affected, the second recovery pipe provided can introduce the condensate in the U-shaped water seal component into the condenser hot water well through the second electric vacuum gate valve to recover the condensate, the adjustment component provided can flexibly adjust the height of the U-shaped guide tube according to the internal pressure of the condenser, thereby ensuring that the water in the water seal will not be sucked out by the condenser in the absence of pressure, thereby avoiding air entering the condenser and causing the vacuum drop. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a structural schematic diagram of the adjustment component of the utility model;

[0016] Figure 3 It is a structural schematic diagram of the adjusting support plate of the utility model.

[0017] In the figure: 1. shaft seal heat exchanger body; 2. condenser hot water well; 3. primary heat exchanger; 4. first recovery pipe; 5. first electric vacuum gate valve; 6. drain outlet; 7. first hose; 8. second hose; 9. U-shaped guide tube; 10. connecting rod; 11. support plate; 12. cylinder; 13. gear plate; 14. fixed support block; 15. adjustment support plate; 16. adjustment connecting rod; 17. connection block; 18. lifting chain; 19. second recovery pipe; 20. second electric vacuum gate valve. DETAILED DESCRIPTION

[0018] 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.

[0019] In the description of the present utility model, it needs to be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present utility model and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present utility model; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0020] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. If not otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of the utility model.

[0021] See also Figure 1-3 , the utility model provides a technical solution:

[0022] A condensate recovery device for a shaft seal heat exchanger comprises a shaft seal heat exchanger body 1 and a condenser hot water well 2 arranged on one side of the shaft seal heat exchanger body 1, a first-stage heat exchanger 3 is provided in the inner cavity of the shaft seal heat exchanger body 1, the heat exchange stage and the cooling stage of the first-stage heat exchanger 3 both penetrate the top wall of the shaft seal heat exchanger body 1 and extend to the outside, a first recovery pipe 4 is fixedly connected to the bottom of the shaft seal heat exchanger body 1 and a first electric vacuum gate valve 5 is connected to the first recovery pipe 4, a U-shaped water seal assembly is provided below the first recovery pipe 4, and an adjusting assembly is provided on one side of the U-shaped water seal assembly, a second recovery pipe 19 is connected to one side of the condenser hot water well 2 and a second electric vacuum gate valve 20 is connected to the second recovery pipe 19.

[0023] A drain port 6 is provided at the bottom center of the inner cavity of the shaft seal heat exchanger body 1, and the first recovery pipe 4 is connected to the inner cavity of the shaft seal heat exchanger body 1 through the drain port 6. The first recovery pipe 4 can cooperate with the first electric vacuum gate valve 5 to introduce the condensed water generated in the shaft seal heat exchanger body 1 into the U-shaped water seal assembly through the drain port 6; the U-shaped water seal assembly includes a first hose 7 and a second hose 8 with the same specifications as the first hose 7. A U-shaped conduit 9 is provided below the first hose 7 and the second hose 8. The two ends of the U-shaped conduit 9 are respectively connected to the bottom ends of the adjacent first hose 7 and the second hose 8. The top end of the first hose 7 is fixedly connected and connected to the bottom end of the first recovery pipe 4, and the top end of the second hose 8 is fixedly connected and connected to the bottom end of the second recovery pipe 19. The bottoms of the first hose 7 and the second hose 8 are fixedly connected by a connecting rod 10. The U-shaped water seal assembly can prevent the air in the shaft seal heat exchanger body 1 from entering the condenser, thereby avoiding the vacuum drop in the condenser, thereby preventing the unit from being affected. The power generation efficiency is improved; the regulating component includes a support plate 11, a cylinder 12 is fixedly connected to the side of the top of the support plate 11 close to the first hose 7, a gear plate 13 is rotatably connected to the output end of the cylinder 12, a fixed support block 14 is fixedly connected to the side of the top of the support plate 11 away from the cylinder 12, an adjusting support plate 15 is fixedly connected to the side wall of the support plate 11 close to the first hose 7, an adjusting connecting rod 16 fixedly connected to the bottom of the side wall of the first hose 7 is slidably connected to the outer wall of the adjusting supporting plate 15, a connecting block 17 is fixedly connected to the top of the adjusting connecting rod 16, a lifting chain 18 is fixedly connected to the top of the connecting block 17, the other end of the lifting chain 18 is fixedly connected to the top of the fixed support block 14 and the lifting chain 18 is meshed with the gear plate 13, the regulating component can flexibly adjust the height of the U-shaped guide tube 9 according to the internal pressure of the condenser, and can ensure that the water in the water seal will not be sucked out by the condenser in the absence of pressure, so as to avoid air entering the condenser and causing the vacuum to drop.

[0024] Working process: the shaft seal heat exchanger body 1 can exchange heat and generate condensate, the condenser hot water well 2 can recycle and reuse the condensate, the first recovery pipe 4 can cooperate with the first electric vacuum gate valve 5 to introduce the condensate generated in the shaft seal heat exchanger body 1 into the U-shaped water seal assembly through the drain port 6, and the U-shaped water seal assembly can prevent the air in the shaft seal heat exchanger body 1 from entering the condenser, thereby avoiding the vacuum drop in the condenser, thereby preventing the power generation efficiency of the unit from being affected, and the second recovery pipe 19 can introduce the condensate in the U-shaped water seal assembly into the condenser hot water well 2 through the second electric vacuum gate valve 20 to recycle and reuse the condensate. Since the condenser is under negative pressure, which is lower than the pressure in the shaft seal heat exchanger body 1, the condensate in the U-shaped water seal assembly will automatically flow into the condenser for recycling and reuse under the action of air pressure, and the U-shaped water seal assembly prevents The air enters the condenser, avoids the vacuum drop inside the condenser, and prevents the power generation efficiency of the unit from being affected. The regulating component can flexibly adjust the height of the U-shaped guide tube 9 according to the internal pressure of the condenser, which can ensure that the water in the water seal will not be sucked out by the condenser under no pressure, and avoids air entering the condenser and causing the vacuum drop. When the height of the U-shaped guide tube 9 needs to be adjusted, the cylinder 12 is started to extend and retract the cylinder 12. The extension and retraction of the cylinder 12 will drive the gear plate 13 to move longitudinally, thereby driving the lifting chain 18 to move up and down through meshing. The lifting and lowering of the lifting chain 18 will drive the adjusting connecting rod 16 to slide longitudinally on the adjusting support plate 15 through the connecting block 17 at one end, thereby driving the first hose 7 and the second hose 8 to extend and retract through the connecting rod 10, that is, driving the U-shaped guide tube 9 to adjust its height at the same time.

[0025] The contents not described in detail in this specification belong to the prior art known to the professional and technical personnel in this field. The standard parts used in this utility model can be purchased from the market, and the special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt the conventional means such as bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0026] 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 condensate recovery device for a shaft seal heat exchanger, comprising a shaft seal heat exchanger body (1) and a condenser hot water well (2) arranged on one side of the shaft seal heat exchanger body (1), characterized in that: The inner cavity of the shaft seal heat exchanger body (1) is provided with a primary heat exchanger (3), the heat exchange stage and the cooling stage of the primary heat exchanger (3) both penetrate the top wall of the shaft seal heat exchanger body (1) and extend to the outside, the bottom of the shaft seal heat exchanger body (1) is fixedly connected with a first recovery pipe (4), and the first recovery pipe (4) is connected with a first electric vacuum gate valve (5), a U-shaped water seal component is provided below the first recovery pipe (4), and a regulating component is provided on one side of the U-shaped water seal component, and a second recovery pipe (19) is connected with a second electric vacuum gate valve (20) on one side of the condenser hot water well (2).

2. The condensate recovery device for a shaft seal heat exchanger according to claim 1, characterized in that: A drainage port (6) is provided at the bottom center of the inner cavity of the shaft seal heat exchanger body (1), and the first recovery pipe (4) is connected to the inner cavity of the shaft seal heat exchanger body (1) through the drainage port (6).

3. The condensate recovery device for a shaft seal heat exchanger according to claim 1, characterized in that: The U-shaped water seal assembly comprises a first hose (7) and a second hose (8) having the same specifications as the first hose (7); a U-shaped conduit (9) is provided below the first hose (7) and the second hose (8); and both ends of the U-shaped conduit (9) are respectively connected to the bottom ends of the adjacent first hose (7) and the second hose (8).

4. The condensate recovery device for a shaft seal heat exchanger according to claim 3, characterized in that: The top end of the first hose (7) is fixedly connected to and communicated with the bottom end of the first recovery pipe (4), the top end of the second hose (8) is fixedly connected to and communicated with the bottom end of the second recovery pipe (19), and the bottoms of the first hose (7) and the second hose (8) are fixedly connected via a connecting rod (10).

5. The condensate recovery device for a shaft seal heat exchanger according to claim 3, characterized in that: The adjustment assembly comprises a support plate (11), a cylinder (12) is fixedly connected to the top of the support plate (11) on a side close to the first hose (7), a gear plate (13) is rotatably connected to the output end of the cylinder (12), a fixed support block (14) is fixedly connected to the top of the support plate (11) on a side away from the cylinder (12), and an adjustment support plate (15) is fixedly connected to the side wall of the support plate (11) close to the first hose (7).

6. The condensate recovery device for a shaft seal heat exchanger according to claim 5, characterized in that: An adjusting link (16) is slidably connected to the outer side wall of the adjusting support plate (15) and is fixedly connected to the bottom of the side wall of the first hose (7); a connecting block (17) is fixedly connected to the top of the adjusting link (16); a lifting chain (18) is fixedly connected to the top of the connecting block (17); the other end of the lifting chain (18) is fixedly connected to the top of the fixed support block (14); and the lifting chain (18) is meshingly connected to the gear plate (13).

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