Rewashing rotating film type deaerator

Abstract

The utility model discloses a re-washing rotating-film type deaerator, which relates to the technical field of rotating-film type deaerators and comprises a deaerating tower, four clamping grooves are arranged on the inner side wall of the deaerating tower, a mounting ring is fixedly connected to the lower end of the deaerating tower in a sealing manner, an upper flange plate is fixedly connected to the side wall of the deaerating tower, and a mounting frame is slidably connected to the inner side wall of the deaerating tower. The inner side wall of the mounting frame is fixedly connected with a heat storage filler liquid-vapor net, the outer side wall of the mounting frame is fixedly connected with four clamping blocks, the lower end of the deoxidizing tower is clamped with a cylinder body, and the outer side wall of the cylinder body is fixedly connected with a lower flange plate. The deoxidizing tower is provided with the mounting frame, the mounting ring is arranged to realize quick positioning and mounting of the deoxidizing tower and the barrel, the L-shaped clamping block and the clamping groove are arranged to realize quick clamping of the heat storage filler liquid-vapor net and the mounting frame with the deoxidizing tower, and the heat storage filler liquid-vapor net can be limited without arranging an insertion block for fixing the deoxidizing tower.

Description

Technical Field

[0001] The utility model relates to the technical field of rotary film deaerators, in particular to a backwash rotary film deaerator. Background Art

[0002] The rotary film deaerator is a latest type of thermal deaerator. The rotary film deaerator equipment is mainly composed of two major parts: the deaerator tower head and the deaerator water tank, as well as connecting pipes and external parts. Its main component, the deaerator (deaerator tower head), is composed of the outer shell, the new rotary film device (film tube), the water sprinkling grate, the heat storage filler liquid steam network and other components. It has better overcome the shortcomings of other types of deaerators, such as poor adaptability and low deoxygenation efficiency. The characteristics of the rotary film deaerator are: strong adaptability, stable operation under conditions of low temperature water and overload, small exhaust volume, high deoxygenation efficiency, stable dissolved oxygen, reliable operation and easy maintenance.

[0003] Chinese patent document CN116177652A discloses a backwash rotary film deaerator, including a deaeration water tank and a deaeration tower, the deaeration tower includes a tower body, the top of the tower body is provided with an exhaust port and a safety valve interface, the inside of the tower body is provided with a rotary film assembly, a water grate and a packing assembly, the rotary film assembly, the water grate and the packing assembly are distributed from top to bottom, an upper heating steam pipe is provided between the rotary film assembly and the water grate, the water grate is designed to be five layers, the packing assembly is located at the water outlet of the tower body, and a lower heating steam port is provided on the outer side of the tower body, and the lower heating steam port is located below the packing assembly. The above-mentioned backwash rotary film deaerator has shortcomings. Although the device can clean the packing layer, it has limitations. It uses water flushing to clean, but the impact force generated by ordinary water flushing is very small, and the packing layer is not cleaned thoroughly. There are still a lot of impurities inside it, which affects the subsequent deoxidation, causing the deoxidation capacity of the deaerator to decrease.

[0004] Therefore, in order to solve such problems, we proposed a backwash rotary film deaerator. Utility Model Content

[0005] The utility model aims to provide a backwash rotary film deaerator, aiming to solve the problem in the above-mentioned background technology that the existing backwash rotary film deaerator is cleaned by water flushing during use, but the impact force generated by ordinary water flushing is very small, the packing layer is not cleaned thoroughly, and a large amount of impurities are still present inside.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a backwash rotary film deaerator, comprising a deaerator, wherein the inner side wall of the deaerator is provided with four clamping grooves, the lower end of the deaerator is sealed and fixedly connected with a mounting ring, the side wall of the deaerator is fixedly connected with an upper flange, the inner side wall of the deaerator is slidably connected with a mounting frame, the inner side wall of the mounting frame is fixedly connected with a heat storage filler liquid vapor network, the outer side wall of the mounting frame is fixedly connected with four clamping blocks, the clamping blocks are respectively located in the clamping grooves, the lower end of the deaerator is clamped with a cylinder, the outer side wall of the cylinder is fixedly connected with a lower flange, the inner side wall of the cylinder is provided with a mounting groove, and the cylinder A gas distributor is fixedly connected to the inner wall, and an abutment assembly is arranged on the upper end of the gas distributor. An air outlet is sealed and fixedly connected to the upper end of the deaerator. The water inlet is located at one end inside the deaerator and is sealed and fixedly connected to a rotary jet film-forming device. A condensate outlet is sealed and fixedly connected to the side wall of the rotary jet film-forming device away from the water inlet. The condensate outlet passes through the side wall of the deaerator. An upper heating steam pipe is arranged below the rotary jet film-forming device. An input end of the upper heating steam pipe passes through the side wall of the deaerator. A high-pressure heater drain port is sealed and fixedly connected to the side wall of the deaerator. The high-pressure heater drain port is located below the upper heating steam pipe. A second steam pipe is sealed and fixedly connected to the side wall of the cylinder.

[0007] Preferably, the abutment assembly includes an abutment seat, which has abutment grooves at both ends, and a plurality of springs are arranged inside the abutment seat, one end of the spring is fixedly connected to the bottom wall of the abutment groove, and the other end of the spring is fixedly connected to a push ring, which is slidably connected to the abutment groove, and the end of the push ring away from the spring is fixedly connected to a rubber ring.

[0008] Preferably, a sealing ring is fixedly connected to the lower end of the deaeration tower.

[0009] Preferably, the connection between the mounting ring and the inner bottom wall of the mounting groove is located between the lower surface of the mounting frame and the gas distributor.

[0010] Preferably, the clamping block and the clamping groove are both L-shaped.

[0011] Preferably, the lower surface of the liquid vapor network of the heat storage filler and the lower surface of the mounting ring are not in the same horizontal plane, and the lower surface of the liquid vapor network of the heat storage filler is located above the lower surface of the mounting ring.

[0012] The utility model has the following beneficial effects:

[0013] In the utility model, the deaerator tower and the cylinder body are detachably fixed by bolts, and the heat storage filler liquid vapor network can be taken out, so as to facilitate the cleaning and make the cleaning more thorough. A mounting ring is provided to realize the rapid positioning and installation of the deaerator tower and the cylinder body. Secondly, an L-shaped clamping block and a clamping groove are provided to realize the rapid clamping of the heat storage filler liquid vapor network and the mounting frame with the deaerator tower, and the heat storage filler liquid vapor network can be limited without setting an insert block. Secondly, an abutment component is provided to increase the sealing of the connection between the deaerator tower and the cylinder body, and at the same time, the mounting frame and the heat storage filler liquid vapor network can be limited, thereby increasing the installation stability, and the structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A three-dimensional schematic diagram of a backwash rotary film deaerator proposed by the utility model;

[0015] Figure 2 It is a three-dimensional explosion diagram of a backwash rotary film deaerator proposed by the utility model;

[0016] Figure 3 A three-dimensional explosion diagram of a deaerator tower in a backwash rotary film deaerator proposed in the utility model Figure 1 ;

[0017] Figure 4 A three-dimensional explosion diagram of a deaerator tower in a backwash rotary film deaerator proposed in the utility model Figure 2 ;

[0018] Figure 5 It is a three-dimensional exploded schematic diagram of an abutment assembly in a backwash rotary film deaerator proposed by the utility model.

[0019] Legend:

[0020] 1. Deaerator; 101. Snap-in groove; 102. Mounting ring; 11. Upper flange; 111. Lower flange; 12. Mounting frame; 13. Liquid-vapor network of heat storage filler; 14. Snap-in block; 15. Sealing ring; 2. Cylinder; 201. Mounting groove; 21. Gas distributor; 22. Abutment assembly; 221. Abutment seat; 222. Abutment groove; 223. Spring; 224. Push ring; 225. Rubber ring; 3. Gas outlet; 31. Water inlet; 32. Rotary ejector; 33. Condensate outlet; 34. Upper heating steam pipe; 35. High-pressure drain outlet; 36. Second steam pipe. DETAILED DESCRIPTION

[0021] 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.

[0022] In the description of the present utility model, it should be noted that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present utility model 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 present utility model. The terms "first", "second", and "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. In addition, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 or an electrical connection. It can be directly connected, or indirectly connected through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0023] Reference Figure 1-5The utility model provides an embodiment: a backwash rotary film deaerator, including a deaerator tower 1, the inner wall of the deaerator tower 1 is provided with four clamping grooves 101, the lower end of the deaerator tower 1 is sealed and fixedly connected with a mounting ring 102, the side wall of the deaerator tower 1 is fixedly connected with an upper flange 11, the inner wall of the deaerator tower 1 is slidably connected with a mounting frame 12, the inner wall of the mounting frame 12 is fixedly connected with a heat storage filler liquid vapor network 13, the outer wall of the mounting frame 12 is fixedly connected with four clamping blocks 14, the clamping blocks 14 are respectively located in the clamping grooves 101, the lower end of the deaerator tower 1 is clamped with a cylinder 2, the outer wall of the cylinder 2 is fixedly connected with a lower flange 111, the inner wall of the cylinder 2 is provided with a mounting groove 201, the inner wall of the cylinder 2 is fixedly connected A gas distributor 21 is connected, abutment assembly 22 is arranged on the upper end of the gas distributor 21, a gas outlet 3 is sealed and fixedly connected to the upper end of the deaerator 1, a water inlet 31 is located at one end inside the deaerator 1 and is sealed and fixedly connected to a rotary jet film generator 32, a side wall of the rotary jet film generator 32 away from the water inlet 31 is sealed and fixedly connected to a condensate outlet 33, the condensate outlet 33 penetrates the side wall of the deaerator 1, an upper heating steam pipe 34 is arranged below the rotary jet film generator 32, an input end of the upper heating steam pipe 34 penetrates the side wall of the deaerator 1, a high pressure heater drain port 35 is sealed and fixedly connected to the side wall of the deaerator 1, the high pressure heater drain port 35 is located below the upper heating steam pipe 34, and a second steam pipe 36 is sealed and fixedly connected to the side wall of the cylinder 2.

[0024] This arrangement releases the limit between the upper flange 11 and the lower flange 111 when cleaning and replacing the heat storage filler liquid vapor network 13, then drives the mounting ring 102 to slide out of the mounting groove 201 through the deaerator 1, and then rotates the mounting frame 12 to release the limit at the shorter end of the L-shaped clamping block 14, and then pulls the mounting frame 12 and the heat storage filler liquid vapor network 13 vertically downward, so that the mounting frame 12 and the heat storage filler liquid vapor network 13 slide out of the deaerator 1, thereby achieving cleaning or replacement of the heat storage filler liquid vapor network 13.

[0025] The abutment assembly 22 includes an abutment seat 221, and abutment grooves 222 are provided at both the upper and lower ends of the abutment seat 221. A plurality of springs 223 are arranged inside the abutment seat 221. One end of the spring 223 is fixedly connected to the inner bottom wall of the abutment groove 222, and the other end of the spring 223 is fixedly connected to a push ring 224, and the push ring 224 is slidably connected to the abutment groove 222. The end of the push ring 224 away from the spring 223 is fixedly connected to a rubber ring 225, which is used to utilize the elastic force of the spring 223 so that the spring 223 pushes the push ring 224, so that the push ring 224 pushes the rubber ring 225 to abut the installation frame 12 and the gas distributor 21 respectively, thereby increasing the sealing of the connection between the deaerator tower 1 and the cylinder 2, and at the same time limiting the installation frame 12 and the heat storage filler liquid vapor network 13 to increase the installation stability.

[0026] A sealing ring 15 is fixedly connected to the lower end of the deaerator tower 1 to increase the sealing performance of the connection between the deaerator tower 1 and the cylinder 2 .

[0027] The connection between the mounting ring 102 and the inner bottom wall of the mounting groove 201 is located between the lower surface of the mounting frame 12 and the gas distributor 21, and is used to realize that the connection is set between the upper and lower ends of the abutment seat 221, which helps to increase the sealing performance.

[0028] The clamping block 14 and the clamping groove 101 are both L-shaped, and are used to limit the installation frame 12 to prevent the installation frame 12 from sliding out of the deaerator 1 due to gravity factors, without the need for an insert block.

[0029] The lower surface of the heat storage filler liquid vapor network 13 and the lower surface of the mounting ring 102 are not in the same horizontal plane, and the lower surface of the heat storage filler liquid vapor network 13 is located above the lower surface of the mounting ring 102, so as to realize the connection between the mounting ring 102 and the cylinder 2 by using the abutment seat 221 to seal.

[0030] Working principle: first release the limit between the upper flange 11 and the lower flange 111, then drive the mounting ring 102 to slide out of the mounting groove 201 through the deaerator 1, and then rotate the mounting frame 12 to release the limit at the shorter end of the L-shaped clamping block 14, and then pull the mounting frame 12 and the heat storage filler liquid vapor network 13 vertically downward, and the mounting frame 12 and the heat storage filler liquid vapor network 13 slide out of the deaerator 1, thereby realizing the cleaning or replacement of the heat storage filler liquid vapor network 13. After cleaning, repeat the above operation for installation. After installation, the elastic force of the spring 223 can be used, and the spring 223 pushes the push ring 224, and the push ring 224 pushes the rubber ring 225 to respectively abut the mounting frame 12 and the gas distributor 21, thereby increasing the sealing of the connection between the deaerator 1 and the cylinder 2, and at the same time, the mounting frame 12 and the heat storage filler liquid vapor network 13 are limited to increase the installation stability.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A backwash rotary film deaerator, comprising a deaerator tower (1), characterized in that: The deaerator (1) is provided with four clamping grooves (101) on the inner side wall, the lower end of the deaerator (1) is sealed and fixedly connected with a mounting ring (102), the side wall of the deaerator (1) is fixedly connected with an upper flange (11), the inner side wall of the deaerator (1) is slidably connected with a mounting frame (12), the inner side wall of the mounting frame (12) is fixedly connected with a heat storage filler liquid vapor network (13), the outer side wall of the mounting frame (12) is fixedly connected with four clamping blocks (14), the clamping blocks (14) are respectively located in the clamping grooves (101), the lower end of the deaerator (1) is clamped with a cylinder (2), the outer side wall of the cylinder (2) is fixedly connected with a lower flange (111), the inner side wall of the cylinder (2) is provided with a mounting groove (201), the inner side wall of the cylinder (2) is fixedly connected with a gas distributor (21), the gas distributor The upper end of the deaerator (21) is provided with abutment assembly (22), the upper end of the deaerator (1) is sealed and fixedly connected with an air outlet (3), the water inlet (31) is located at one end of the deaerator (1) and is sealed and fixedly connected with a rotary ejector (32), the side wall of the rotary ejector (32) away from the water inlet (31) is sealed and fixedly connected with a condensate outlet (33), the condensate outlet (33) penetrates the side wall of the deaerator (1), an upper heating steam pipe (34) is provided below the rotary ejector (32), the input end of the upper heating steam pipe (34) penetrates the side wall of the deaerator (1), the side wall of the deaerator (1) is sealed and fixedly connected with a high-pressure steam drain port (35), the high-pressure steam drain port (35) is located below the upper heating steam pipe (34), and the side wall of the cylinder (2) is sealed and fixedly connected with a second steam pipe (36).

2. A backwash rotary film deaerator according to claim 1, characterized in that: The abutting assembly (22) comprises an abutting seat (221), and the abutting seat (221) is provided with abutting grooves (222) at both upper and lower ends. A plurality of springs (223) are arranged inside the abutting seat (221), and one end of each spring (223) is fixedly connected to the inner bottom wall of the abutting groove (222), and the other end of the spring (223) is fixedly connected to a push ring (224), and the push ring (224) is slidably connected to the abutting groove (222), and one end of the push ring (224) away from the spring (223) is fixedly connected to a rubber ring (225).

3. A backwash rotary film deaerator according to claim 1, characterized in that: The lower end of the deoxidation tower (1) is fixedly connected to a sealing ring (15).

4. A backwash rotary film deaerator according to claim 1, characterized in that: The connection between the mounting ring (102) and the inner bottom wall of the mounting groove (201) is located between the lower surface of the mounting frame (12) and the gas distributor (21).

5. A backwash rotary film deaerator according to claim 1, characterized in that: The clamping block (14) and the clamping slot (101) are both L-shaped.

6. A backwash rotary film deaerator according to claim 1, characterized in that: The lower surface of the heat storage filler liquid vapor network (13) and the lower surface of the mounting ring (102) are not in the same horizontal plane, and the lower surface of the heat storage filler liquid vapor network (13) is located above the lower surface of the mounting ring (102).

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