Boiler water supply tank with deaerator

By setting a deflector and a drain pipe in the boiler feed tank, condensate water flows out, combining the feeding assembly and sealing plate structure to ensure effective addition and mixing of deoxygenation agents, the equipment corrosion problem caused by steam condensation is solved, and the deoxygenation efficiency and equipment life are improved.

CN222877677UActive Publication Date: 2025-05-16SHANXI NOBO TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202421705115.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-18
Publication Date
2025-05-16
Estimated Expiration
2034-07-18

AI Technical Summary

Technical Problem

In the existing boiler water and oxygen deoxygenation equipment, the steam generated by the exhaust pipe condenses and drips on the surface of the equipment, causing equipment corrosion.

Method used

A boiler water supply tank with deaerator is designed, and the condensate water is guided out by setting up a deflector and a drain pipe to prevent it from contacting the outer wall of the tank. At the same time, feeding components and sealing plate structure are adopted to ensure effective addition and mixing of deoxygenation agents to prevent steam from overflowing.

Benefits of technology

It effectively avoids the corrosion of condensate on the outer wall of the boiler feed tank, ensures the long life of the equipment, and ensures effective addition and mixing of deoxygenation agents, improving deoxygenation efficiency.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN222877677U_ABST
    Figure CN222877677U_ABST
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Abstract

The boiler water supply tank comprises a tank body, a top plate is detachably installed on the upper side of the tank body, an air outlet is formed in the top plate, an air outlet pipe is fixedly connected to the air outlet, a shell fixedly connected with the top plate is arranged on the upper side of the air outlet pipe, and a flow guide plate is fixedly connected to the inner wall of the top of the shell. A conical surface used for draining steam is formed in the flow guide plate, a liquid discharge pipe penetrating through the tank body is fixedly mounted on the top plate, and a feeding assembly used for adding a deoxidant is arranged on the outer wall of one side of the tank body. According to the boiler water supply tank with the deaerator, deoxygenated water flows out through the liquid supply pipe, steam moves upwards through the air outlet pipe, condensate water formed by the steam flows downwards along the inner wall of the shell through the flow guide plate and flows out through the liquid discharge pipe, and it is avoided that the condensate water makes contact with the outer wall of the tank body, and corrosion is caused to the outer wall of the tank body.
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Description

Technical Field

[0001] The utility model belongs to the technical field of boiler feed water deoxidation, in particular to a boiler feed water tank with a deoxidizer. Background Art

[0002] The deoxygenation process of boiler feed water treatment is very critical. Oxygen is the main corrosive substance in the feed water system and boiler. The oxygen in the feed water will corrode the boiler's feed water system and components. In order to prevent this phenomenon from happening, industrial boilers currently generally use thermal deoxygenation to deoxygenate boiler feed water.

[0003] For example, Chinese patent number CN217978771U discloses a boiler feed water deoxygenation device, in which a heating mechanism is installed at the bottom of the deoxygenation reaction chamber, and the main shaft, stirring rod and driving motor are used in coordination to facilitate the full mixing reaction of the deoxygenator water.

[0004] In the above scheme, an exhaust pipe is provided through the top surface of the equipment body. The steam generated by the exhaust pipe is liquefied when cooled and drips onto the surface of the equipment body, which easily causes corrosion on the surface of the equipment body, thus becoming a technical problem that needs to be solved urgently. Utility Model Content

[0005] The utility model aims to provide a boiler feed water tank with a deaerator to solve the technical problems raised in the background technology.

[0006] To achieve the above-mentioned purpose, the specific technical scheme of the utility model is as follows: a boiler feed water tank with a deaerator, comprising a tank body, a top plate detachably mounted on the upper side of the tank body, an air outlet is provided on the top plate, an air outlet is fixedly connected to the air outlet, a shell fixedly connected to the top plate is provided on the upper side of the air outlet pipe, a guide plate is fixedly connected to the inner wall at the top of the shell, a conical surface for steam diversion is provided on the guide plate, a drain pipe penetrating the tank body is fixedly mounted on the top plate, and a feeding assembly for adding deoxidizer is provided on the outer wall of one side of the tank body.

[0007] Preferably, the feeding assembly comprises a feeding pipe fixedly connected to the outer wall of the tank body, the feeding pipe is arranged obliquely, and a cover plate is detachably mounted on one end of the feeding pipe away from the tank body.

[0008] Preferably, a pull rod is passed through the cover plate, and a sealing plate fixedly connected to the pull rod is movably provided inside the feeding pipe.

[0009] Through the above technical solution, a sealing plate is provided to prevent steam from overflowing through the feeding pipe when the cover plate is opened.

[0010] Preferably, an external thread is provided on the outer wall of the end of the pull rod away from the tank body, and the thread is connected with a limit nut.

[0011] Through the above technical solution, a limit nut is provided to limit the pull rod to prevent the pull rod from falling into the tank body.

[0012] Preferably, a water pump is provided on the left side of the tank body, an input pipe is fixedly connected to one side of the water pump, an output pipe is fixedly connected to the other side of the water pump, and the output pipe is fixedly connected to the tank body.

[0013] Preferably, a motor is arranged on the right side of the tank body, the output shaft of the motor passes through the tank body and is fixedly connected to a rotating rod, and a plurality of stirring rods arranged at equal intervals are fixedly connected to the outer wall of the rotating rod.

[0014] Preferably, a liquid supply pipe fixedly connected to the tank body is provided on the upper side of the motor, and a heating device is fixedly installed on the bottom of the tank body.

[0015] The utility model of a boiler water supply tank with a deaerator has the following advantages:

[0016] 1. A boiler feed water tank with a deaerator. The deoxygenated water flows out through the liquid supply pipe, the steam moves upward through the air outlet pipe, and the condensed water formed by the steam flows downward along the inner wall of the shell through the guide plate and flows out through the drain pipe to prevent the condensed water from contacting the outer wall of the tank body and causing corrosion to it.

[0017] 2. A boiler feed water tank with a deaerator, the pull rod is tilted upward and moved a certain distance, and the cover is opened and a sufficient amount of deoxidizer is put into the feeding pipe, and then the cover is installed on the feeding pipe. By turning the limit nut, the distance between the limit nut and the cover is increased, the pull rod and the sealing plate are tilted downward, and the deoxidizer on the sealing plate falls into the tank body and mixes with the water. A sealing plate is provided to prevent steam from overflowing through the feeding pipe when the cover is opened. The output shaft of the motor drives the stirring rod to rotate through the rotating rod to fully mix the deoxidizer and water. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation mode of the utility model, the drawings required for use in the implementation mode will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0021] Figure 3For this utility model Figure 2 A structural diagram of ;

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the B structure;

[0023] Explanation of the markings in the figure: 1. Tank body; 2. Top plate; 3. Air outlet; 4. Air outlet pipe; 5. Shell; 6. Guide plate; 7. Conical surface; 8. Drain pipe; 9. Feeding pipe; 10. Cover plate; 11. Pull rod; 12. Sealing plate; 13. External thread; 14. Limit nut; 15. Water pump; 16. Input pipe; 17. Output pipe; 18. Motor; 19. Rotating rod; 20. Stirring rod; 21. Liquid supply pipe; 22. Heating device. DETAILED DESCRIPTION

[0024] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the embodiments of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0025] In the description of the embodiments of the present invention, it should be understood that the terms "length", "vertical", "horizontal", "top", "bottom", 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 the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present invention.

[0026] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present utility model, the meaning of "multiple" is two or more, unless otherwise clearly and specifically defined.

[0027] In the embodiments of the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection, an electrical connection, or a communication; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0028] The disclosure below provides many different embodiments or examples for realizing different structures of the embodiments of the present utility model. In order to simplify the disclosure of the embodiments of the present utility model, the components and settings of specific examples are described below. Of course, they are only examples, and the purpose is not to limit the embodiments of the present utility model. In addition, the embodiments of the present utility model can repeat reference numbers and / or reference letters in different examples, and this repetition is for the purpose of simplification and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed.

[0029] In order to better understand the purpose, structure and function of the utility model, the following is a further detailed description of a boiler feed water tank with a deaerator of the utility model in conjunction with the accompanying drawings.

[0030] like Figure 1-4 As shown, a boiler feed water tank with a deaerator of the utility model comprises a tank body 1, a top plate 2 is detachably installed on the upper side of the tank body 1, an air outlet 3 is provided on the top plate 2, an air outlet pipe 4 is fixedly connected to the air outlet 3, a shell 5 fixedly connected to the top plate 2 is provided on the upper side of the air outlet pipe 4, a guide plate 6 is fixedly connected to the inner wall at the top of the shell 5, a conical surface 7 for steam diversion is provided on the guide plate 6, a drain pipe 8 passing through the tank body 1 is fixedly installed on the top plate 2, a feeding assembly for adding a deoxidizer is provided on the outer wall of one side of the tank body 1, the steam moves upward through the air outlet pipe 4, the condensed water formed by the steam flows downward along the inner wall of the shell 5 through the guide plate 6, and flows out through the drain pipe 8, so as to avoid the condensed water from contacting the outer wall of the tank body 1.

[0031] The feeding assembly includes a feeding pipe 9 fixedly connected to the outer wall of the tank body 1. The feeding pipe 9 is arranged at an angle, and a cover plate 10 is detachably installed on the end of the feeding pipe 9 away from the tank body 1. A pull rod 11 is passed through the cover plate 10. A sealing plate 12 fixedly connected to the pull rod 11 is movably arranged inside the feeding pipe 9. An external thread 13 is provided on the outer wall of the end of the pull rod 11 away from the tank body 1, and a limit nut 14 is threadedly connected. The pull rod 11 is tilted and moved upward for a certain distance, and the cover plate 10 is opened and a sufficient amount of deoxidizer is put into the feeding pipe 9 at the same time, and then the cover plate 10 is installed on the feeding pipe 9. By rotating the limit nut 14, the distance between the limit nut 14 and the cover plate 10 is increased, the pull rod 11 and the sealing plate 12 are tilted and moved downward, and the deoxidizer on the sealing plate 12 falls into the tank body 1 and mixes with water.

[0032] A water pump 15 is provided on the left side of the tank body 1, and an input pipe 16 is fixedly connected to one side of the water pump 15, and an output pipe 17 is fixedly connected to the other side of the water pump 15. The output pipe 17 is fixedly connected to the tank body 1, and a motor 18 is provided on the right side of the tank body 1. The output shaft of the motor 18 passes through the tank body 1 and is fixedly connected to a rotating rod 19. A plurality of stirring rods 20 arranged at equal intervals are fixedly connected to the outer wall of the rotating rod 19. A liquid supply pipe 21 fixedly connected to the tank body 1 is provided on the upper side of the motor 18, and a heating device 22 is fixedly installed on the bottom of the tank body 1. The output shaft of the motor 18 drives the stirring rod 20 to rotate through the rotating rod 19, so that the deoxidizer and water are fully mixed, and the deoxygenated water flows out through the liquid supply pipe 21.

[0033] The working principle of the boiler feed water tank with a deaerator is as follows: untreated water enters the water pump 15 through the input pipe 16 for transfer, the water pump 15 introduces the untreated water into the tank body 1 through the output pipe 17, the heating device 22 heats the water, the pull rod 11 is tilted and moved upward for a certain distance, and the cover plate 10 is opened and a sufficient amount of deoxidizer is put into the feeding pipe 9 at the same time, and then the cover plate 10 is installed on the feeding pipe 9, by rotating the limit nut 14, the distance between the limit nut 14 and the cover plate 10 is increased, the pull rod 11 and the sealing plate 12 are tilted and moved downward, the deoxidizer on the sealing plate 12 falls into the tank body 1 and mixes with the water, the output shaft of the motor 18 drives the stirring rod 20 to rotate through the rotating rod 19, so that the deoxidizer and water are fully mixed, the deoxygenated water flows out through the liquid supply pipe 21, the steam moves upward through the exhaust pipe 4, and the condensed water formed by the steam flows downward along the inner wall of the shell 5 through the guide plate 6, and flows out through the drain pipe 8, so as to prevent the condensed water from contacting the outer wall of the tank body 1 and causing corrosion to it.

[0034] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A boiler feed water tank with a deaerator, characterized in that: The invention comprises a tank body (1), a top plate (2) being detachably mounted on the upper side of the tank body (1), an air outlet (3) being provided on the top plate (2), an air outlet pipe (4) being fixedly connected to the air outlet (3), a shell (5) being fixedly connected to the top plate (2) being provided on the upper side of the air outlet pipe (4), a guide plate (6) being fixedly connected to the inner wall at the top of the shell (5), a conical surface (7) for guiding steam being provided on the guide plate (6), a liquid discharge pipe (8) penetrating the tank body (1) being fixedly mounted on the top plate (2), and a feeding assembly for adding a deoxidizer being provided on the outer wall of one side of the tank body (1).

2. A boiler feed water tank with a deaerator according to claim 1, characterized in that: The feeding assembly comprises a feeding pipe (9) fixedly connected to the outer wall of the tank body (1); the feeding pipe (9) is arranged at an angle, and a cover plate (10) is detachably mounted on one end of the feeding pipe (9) away from the tank body (1).

3. A boiler feed water tank with a deaerator according to claim 2, characterized in that: A pull rod (11) is passed through the cover plate (10), and a sealing plate (12) fixedly connected to the pull rod (11) is movably provided inside the feeding pipe (9).

4. A boiler feed water tank with a deaerator according to claim 3, characterized in that: An external thread (13) is provided on the outer wall of the end of the pull rod (11) away from the tank body (1), and is threadedly connected to a limit nut (14).

5. The boiler feed water tank with a deaerator according to claim 1, characterized in that: A water pump (15) is provided on the left side of the tank body (1), one side of the water pump (15) is fixedly connected to an input pipe (16), the other side of the water pump (15) is fixedly connected to an output pipe (17), and the output pipe (17) is fixedly connected to the tank body (1).

6. The boiler feed water tank with a deaerator according to claim 1, characterized in that: A motor (18) is arranged on the right side of the tank body (1), an output shaft of the motor (18) passes through the tank body (1) and is fixedly connected to a rotating rod (19), and a plurality of stirring rods (20) arranged at equal intervals are fixedly connected to the outer wall of the rotating rod (19).

7. A boiler feed water tank with a deaerator according to claim 6, characterized in that: A liquid supply pipe (21) fixedly connected to the tank body (1) is arranged on the upper side of the motor (18), and a heating device (22) is fixedly installed on the bottom of the tank body (1).

Citation Information

Patent Citations

  • Boiler feed water deoxidizing equipment

    CN217978771U