Built-in disc-type nozzle for deaerator

Abstract

The utility model discloses a built -in oxygen -removing device dish type nozzle, including the cylinder, the inside water inlet cavity of cylinder is provided with, the bottom equidistance fixed connection of cylinder has the vertical pole, the bottom equidistance of cylinder is provided with dish plate, two adjacent dish plate is corresponded to set up, the outer wall equidistance of dish plate is provided with the tooth shape water spray hole, the outer wall of dish plate is fixedly connected with the fixed ring all, the fixed ring of top is connected with cylinder cooperation, the inboard equidistance of dish plate is provided with the support block, the outside of dish plate is provided with the sealing ring. The utility model relates to the technical field of boiler oxygen -removing device, solved in the prior art, the dish plate between oxygen -removing device dish type nozzle lacks effective support and fixed, leading to dish plate in the use process easy to appear loose or deviation, influence nozzle atomization stability and oxygen -removing device oxygen -removing efficiency problem.

Description

TECHNICAL FIELD

[0001] The utility model relates to a boiler oxygen remover technical field, concretely is a built -in oxygen remover dish type nozzle. BACKGROUND

[0002] The oxygen remover is a kind of heat equipment, is used to remove dissolved oxygen and other non-condensable gases in boiler feed water, to prevent metal corrosion and thermal system efficiency decline, dish type nozzle is a kind of centrifugal atomizing nozzle for oxygen remover, through specially designed cyclone structure, high pressure feed water is converted into thin liquid film and is broken into fine droplets, increase steam liquid contact area, to realize the efficient mixing heat transfer mass transfer with steam, complete oxygen removal process, in prior art, lack effective support and fixed between the dish plate of oxygen remover dish type nozzle, leading to dish plate in the use process easy to appear loose or deviation, influence nozzle atomizing stability and oxygen remover oxygen removal efficiency. SUMMARY

[0003] In view of the deficiency of prior art, the utility model provides a built -in oxygen remover dish type nozzle, solve the problem that lack effective support and fixed between the dish plate of oxygen remover dish type nozzle in prior art, leading to dish plate in the use process easy to appear loose or deviation, influence nozzle atomizing stability and oxygen remover oxygen removal efficiency.

[0004] To realize the above-mentioned purpose, the utility model is realized through the following technical scheme: a built -in oxygen remover dish type nozzle, including cylinder, the inside of cylinder is provided with water inlet cavity, the bottom of cylinder is fixedly connected with vertical rod at equal intervals, the bottom of cylinder is provided with dish plate at equal intervals, two adjacent dish plates are correspondingly provided, the outer wall of dish plate is provided with the tooth shape water spray hole at equal intervals, the outer wall of dish plate is fixedly connected with fixed ring up and down, the fixed ring on the top is connected with cylinder, the inner side of dish plate is provided with support block at equal intervals, the outer side of dish plate is provided with sealing ring, the support block and sealing ring are connected with fixed ring, the inside of fixed ring and sealing ring is provided with water guide hole, the inside of fixed ring, support block and sealing ring is provided with fixed hole at equal intervals, the vertical rod is connected with fixed hole, the bottom of dish plate is provided with sealing seat below, the fixed ring below is connected with sealing seat, the vertical rod penetrates sealing seat, and is threadedly connected with fixed nut.

[0005] Preferably, the outer wall of the fixed ring away from the dish plate is provided with a convex ring at equal intervals, the outer wall of the support block is provided with a first limiting groove up and down at equal intervals, the outer wall of the sealing ring is provided with a second limiting groove up and down at equal intervals, the side of the cylinder and the sealing seat close to each other is provided with a sealing groove at equal intervals, and the convex ring is connected with the first limiting groove, the second limiting groove and the sealing groove respectively.

[0006] Preferably, the outer side of the sealing seat is provided with a flange plate, and a plurality of flange holes are equidistantly arranged in the inner side of the flange plate.

[0007] Preferably, the inner side of the sealing ring is provided with a sealing protruding edge upward and downward, and the sealing protruding edge is connected with the fixing ring.

[0008] Preferably, the inner wall bottom of the water inlet cavity is connected with a filter screen.

[0009] The utility model provides a built -in oxygen -removing device dish type nozzle. Have the following beneficial effect: this built -in oxygen -removing device dish type nozzle, through the cooperation between the cylinder, vertical rod, dish board, tooth shape water spray hole, fixed ring, water guide hole, sealing seat, fixed nut, support block, sealing ring and fixed hole, through the mutual buckling of two dish boards and form dish type structure, stack a plurality of dish type structures and fix in the bottom of cylinder, make water inlet cavity and dish type structure inside water flow passage intercommunication, can make high pressure water even spray from tooth shape water spray hole, utilize support block and support in dish type structure inside, and utilize sealing ring and support and seal between two dish type structures, can form the support and spacing of each dish board, thereby improve the stability of dish board, avoid loose or deviation in the use process, this helps improve the atomization stability of dish type nozzle and the oxygen removal efficiency of oxygen -removing device.

[0010] Through the cooperation between the cylinder, dish board, fixed ring, sealing seat support block, sealing ring, convex ring, first limit slot, second limit slot and sealing groove, the stability of the support block inside the dish board can be improved, and the sealing property between the fixed ring, the cylinder, the sealing seat and the sealing ring can be improved, water leakage from the connection can be avoided, so that the dish type nozzle can maintain good sealing effect and stable operation state under high temperature or high pressure working condition, which helps to improve the service life of the dish type nozzle under extreme working condition. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a structural schematic diagram of the utility model;

[0012] Figure 2 It is Figure 1 It is a local enlarged view of A area in the middle;

[0013] Figure 3 It is an appearance schematic diagram of dish board, fixed ring and convex ring in the utility model;

[0014] Figure 4 It is an appearance schematic diagram of sealing ring, second limit slot and sealing protruding edge in the utility model;

[0015] Figure 5 It is an appearance schematic diagram of support block, first limit slot and fixed hole in the utility model.

[0016] In the figure: 1, column body; 2, water inlet cavity; 3, vertical rod; 4, disc plate; 5, tooth-shaped water spraying hole; 6, fixing ring; 7, water guide hole; 8, sealing seat; 9, fixing nut; 10, supporting block; 11, sealing ring; 12, convex ring; 13, first limiting groove; 14, second limiting groove; 15, sealing groove; 16, flange plate; 17, flange hole; 18, sealing convex edge; 19, filter screen; 20, fixing hole. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0018] In the prior art, the disc plates of the disc-type nozzle of the deaerator lack effective support and fixation, which leads to loosening or deviation of the disc plates during use, affecting the atomization stability of the nozzle and the deaeration efficiency of the deaerator.

[0019] Therefore, the utility model provides a built-in disc-type nozzle of deaerator, through the cooperation between the column body, vertical rod, disc plate, tooth-shaped water spraying hole, fixing ring, water guide hole, sealing seat, fixing nut, supporting block, sealing ring and fixing hole, two disc plates are buckled to form a disc structure, and multiple disc structures are stacked and fixed at the bottom of the column body, so that the water inlet cavity is connected with the water flow channel inside the disc structure, thereby making the high-pressure feed water be uniformly sprayed out of the tooth-shaped water spraying hole, the supporting block supports inside the disc structure, and the sealing ring supports and seals between two disc structures, each disc plate is supported and limited, the stability of the disc plate is improved, loosening or deviation during use is avoided, and the atomization stability of the disc-type nozzle and the deaeration efficiency of the deaerator are improved.

[0020] Through the skilled personnel in the art, all electrical components in the case are connected with the power supply through wires, and appropriate controllers and encoders should be selected according to the actual situation to meet the control requirements. The specific connection and control sequence should be completed according to the working order between the electrical components in the following working principle. The detailed connection means is a common technology in the art. The working principle and process are mainly introduced below, and the electrical control is not described.

[0021] By Figures 1-5It can be known that a built-in disc type nozzle of deaerator comprises a cylinder 1, an inner part of the cylinder 1 is provided with a water inlet cavity 2, a bottom end of the cylinder 1 is fixedly connected with a vertical rod 3 at equal intervals, a bottom of the cylinder 1 is provided with disc plates 4 at equal intervals, two adjacent disc plates 4 are correspondingly provided, outer walls of the disc plates 4 are provided with tooth-shaped water spraying holes 5 at equal intervals, the outer walls of the disc plates 4 are fixedly connected with fixing rings 6, the fixing ring 6 located at the upper part is connected with the cylinder 1, the inner side of the disc plate 4 is provided with support blocks 10 at equal intervals, the outer side of the disc plate 4 is provided with sealing rings 11, the support blocks 10 and the sealing rings 11 are connected with the fixing ring 6, inner parts of the fixing ring 6 and the sealing ring 11 are provided with water guide holes 7, inner parts of the fixing ring 6, the support blocks 10 and the sealing ring 11 are provided with fixing holes 20 at equal intervals, the vertical rod 3 is connected with the fixing hole 20, a bottom of the disc plate 4 located at the bottom is provided with a sealing seat 8, the fixing ring 6 located at the bottom is connected with the sealing seat 8, the vertical rod 3 penetrates through the sealing seat 8 and is threadedly connected with a fixing nut 9;

[0022] In the specific implementation process, it is worth pointing out that through the cooperation between the cylinder 1 and the water inlet cavity 2, the cylinder 1 is fixed in the inner part of the deaerator, and the water inlet cavity 2 is connected with the pipeline of the water supply device, so that the high-pressure feed water is delivered to the bottom of the cylinder 1 through the water inlet cavity 2 for spraying out, through the cooperation between the cylinder 1, the vertical rod 3, the disc plate 4, the fixing ring 6, the sealing seat 8, the fixing nut 9, the support block 10, the sealing ring 11 and the fixing hole 20, the disc plate 4, the support block 10, the sealing ring 11 and the sealing seat 8 are sleeved on the vertical rod 3 in a certain order, and the sealing seat 8 is fixed through the fixing nut 9, so that the two disc plates 4 are buckled to form a disc type structure, the plurality of support blocks 10 support in the inner part of the disc type structure, and a water flow channel is left between the support blocks 10, the sealing ring 11 supports and seals between the two adjacent disc type structures, so as to avoid the disc plate 4 from being deformed greatly under the action of water pressure, realize the fixation of the disc type structure at the bottom of the cylinder 1, and improve the stability and strength of the disc type structure, through the cooperation between the cylinder 1, the vertical rod 3, the disc plate 4, the tooth-shaped water spraying hole 5, the fixing ring 6, the water guide hole 7, the sealing seat 8, the fixing nut 9, the support block 10, the sealing ring 11 and the fixing hole 20, the two disc plates 4 are buckled to form a disc type structure, a water flow channel is formed in the inner side of the disc type structure, the plurality of disc type structures are stacked and fixed at the bottom of the cylinder 1, so that the water inlet cavity 2 is connected with the water flow channel in the inner part of the disc type structure through the water guide hole 7, so as to make the high-pressure feed water sprayed out uniformly through the tooth-shaped water spraying hole 5, the support block 10 supports in the inner part of the disc type structure, and the sealing ring 11 supports and seals between the two disc type structures, so as to support and limit each disc plate 4, improve the stability of the disc plate 4, avoid loosening or deviation in the use process, improve the atomization stability of the disc type nozzle and the deaeration efficiency of the deaerator;

[0023] Further, the fixed ring 6 is provided with a convex ring 12 on the side away from the disc plate 4, the outer wall of the support block 10 is provided with a first limiting groove 13 at equal intervals, the outer wall of the sealing ring 11 is provided with a second limiting groove 14 at equal intervals, and the sealing groove 15 is provided at equal intervals on the side of the cylinder 1 and the sealing seat 8 close to each other;

[0024] In the specific implementation process, it is particularly worth pointing out that through the cooperation between the disc plate 4, the fixed ring 6, the support block 10, the sealing ring 11, the convex ring 12, the first limiting groove 13 and the second limiting groove 14, two convex rings 12 are arranged on the side of the fixed ring 6 away from the disc plate 4, and after the disc plate 4 is fixed, the first limiting groove 13 of the support block 10 and the second limiting groove 14 of the sealing ring 11 are clamped into the convex ring 12, which improves the stability of the support block 10 inside the two disc plates 4 and improves the sealing performance between the fixed ring 6 and the sealing ring 11. Through the cooperation between the cylinder 1, the fixed ring 6, the sealing seat 8, the convex ring 12 and the sealing groove 15, the sealing groove 15 is arranged on the side of the cylinder 1 and the sealing seat 8 close to each other, and the sealing ring is arranged in the sealing groove 15. After the disc plate 4 is fixed, the convex ring 12 of the fixed ring 6 at the top and the bottom is clamped into the sealing groove 15, which improves the sealing performance between the cylinder 1 and the disc plate 4, the sealing seat 8 and the disc plate 4, avoids water leakage from the connection, ensures the normal operation of the disc type nozzle of the deaerator, improves the stability of the support block 10 inside the disc plate 4, and improves the sealing performance between the fixed ring 6, the cylinder 1, the sealing seat 8 and the sealing ring 11. Avoid water leakage from the connection, ensure that the disc type nozzle can maintain good sealing effect and stable operation state under high temperature or high pressure working condition, and improve the service life of the disc type nozzle under extreme working condition;

[0025] Further, the outer side of the sealing seat 8 is provided with a flange plate 16, and the inner side of the flange plate 16 is provided with a flange hole 17 at equal intervals;

[0026] In the specific implementation process, it is particularly worth pointing out that through the cooperation between the sealing seat 8, the flange plate 16 and the flange hole 17, the flange plate 16 on the outer side of the sealing seat 8 is convenient for fixing and installing the disc type nozzle in the deaerator of the boiler by using bolts and other fasteners, which improves the convenience during installation and the stability after installation;

[0027] Further, the inner side of the sealing ring 11 is provided with a sealing convex edge 18 at equal intervals, and the sealing convex edge 18 is connected with the fixed ring 6;

[0028] In the specific implementation process, it is worth pointing out that, through the cooperation between the fixing ring 6, the water guide hole 7, the sealing ring 11 and the sealing convex edge 18, the sealing convex edge 18 is arranged on the inner side of the sealing ring 11 upwards and downwards, after the fixing ring 6 and the sealing ring 11 are tightly attached, the sealing convex edge 18 is clamped into the inner side of the water guide hole 7, the sealing effect between the fixing ring 6 and the sealing ring 11 is further improved, water is prevented from seeping out from the gap between the fixing ring 6 and the sealing ring 11, water flow is accurately delivered to the tooth-shaped water spray hole 5 for spraying, so that better oxygen removal effect is achieved;

[0029] Further, the inner wall bottom of the water inlet cavity 2 is matched and connected with the filter screen 19, the filter screen 19 is used for filtering water entering the water inlet cavity 2, preventing impurities in the water from entering the nozzle interior, causing nozzle blockage or affecting the atomization effect of the nozzle, so that the normal operation of the disc-shaped nozzle and the oxygen removal efficiency are ensured;

[0030] In the specific implementation process, it is worth pointing out that, the filter screen 19 is used for filtering water entering the water inlet cavity 2, preventing impurities in the water from entering the nozzle interior, causing nozzle blockage or affecting the atomization effect of the nozzle, so that the normal operation of the disc-shaped nozzle and the oxygen removal efficiency are ensured.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A built-in deaerator disc nozzle, comprising a column (1), characterized in that: The column (1) has an inlet chamber (2) inside. Vertical rods (3) are fixedly connected at equal intervals to the bottom of the column (1). Discs (4) are arranged at equal intervals at the bottom of the column (1). Two adjacent discs (4) are arranged correspondingly. Toothed spray holes (5) are arranged at equal intervals on the outer wall of the disc (4). Fixing rings (6) are fixedly connected to the upper and lower parts of the outer wall of the disc (4). The fixing ring (6) located above is connected to the column (1). Support blocks (10) are arranged at equal intervals on the inner side of the disc (4). Sealing rings (11) are arranged on the outer side of the disc (4). The support block (10) and the sealing ring (11) are both connected to the fixing ring (6). The fixing ring (6) and the sealing ring (11) are both provided with water guide holes (7). The fixing ring (6), the support block (10) and the sealing ring (11) are all provided with fixing holes (20) at equal intervals. The vertical rod (3) is connected to the fixing hole (20). The bottom plate (4) is provided with a sealing seat (8). The fixing ring (6) is connected to the sealing seat (8). The vertical rod (3) passes through the sealing seat (8) and is threaded with a fixing nut (9).

2. The built-in deaerator disc nozzle according to claim 1, characterized in that: The fixing ring (6) has convex rings (12) equidistantly arranged on the outer wall of the side away from the disc plate (4). The outer wall of the support block (10) is provided with first limiting grooves (13) equidistantly arranged on the upper and lower sides. The outer wall of the sealing ring (11) is provided with second limiting grooves (14) equidistantly arranged on the upper and lower sides. The column (1) and the sealing seat (8) are provided with sealing grooves (15) equidistantly arranged on the side close to each other. The convex rings (12) are respectively connected to the first limiting grooves (13), the second limiting grooves (14) and the sealing grooves (15).

3. The built-in deaerator disc nozzle according to claim 1, characterized in that: A flange plate (16) is provided on the outside of the sealing seat (8), and flange holes (17) are provided at equal intervals inside the flange plate (16).

4. The built-in deaerator disc nozzle according to claim 1, characterized in that: The sealing ring (11) has sealing flanges (18) on both the upper and lower sides of its inner side, and the sealing flanges (18) are connected to the fixing ring (6).

5. A built-in deaerator disc nozzle according to claim 1, characterized in that: A filter screen (19) is connected to the bottom of the inner wall of the water inlet chamber (2).

Images