Low-position deaerator system

By installing a V-shaped guide channel and a booster pump at the top of the outlet of the low-level deaerator, the problem of insufficient water supply to the low-level deaerator was solved, achieving efficient water supply to the outlet, avoiding pump cavitation, and improving the system's performance.

CN224050365UActive Publication Date: 2026-03-27CHONGQING TAIHU BOILER
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-15
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

The existing low-level deaerator has low outlet pressure, resulting in insufficient water supply and poor performance.

Method used

A V-shaped guide channel is installed at the top of the deaerator outlet, and a booster pump, electric regulating valve, return pipe and perforated ring are provided to enhance the water supply and pressure at the outlet and prevent pump cavitation.

Benefits of technology

Improvements to the structure, such as the V-shaped guide channel and the booster pump, have increased the water supply and pressure at the outlet, ensuring normal water supply from the pump even when it is positioned low, avoiding pump cavitation, and improving the water supply effect.

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Abstract

The utility model provides a low-position deaerator system, which relates to the technical field of deaerators and comprises a deaerator body, a water inlet is arranged on one side of the top of the deaerator body, a water inlet pipeline is mounted on one side of the water inlet, and a first steam inlet and a second steam inlet are respectively arranged on one side of the top of the deaerator body. A steam conveying pipeline is installed on one side of the first steam inlet and one side of the second steam inlet. The V-shaped flow guide groove is formed in the top of the water outlet, the water supply amount of the water outlet can be increased, water supply resistance can be reduced, the booster pump can increase the water outlet pressure of the water outlet pipeline, opening and closing of the backflow pipeline can be controlled through the electric adjusting valve, water pump cavitation is not prone to being generated, and the second spraying head is arranged at the end of the backflow pipeline, and the porous ring is arranged. The water outlet pressure of the water outlet can be increased, cavitation of the water pump is avoided, the water outlet pipeline can provide enough flow and pressure, and normal water supply of the water outlet pump can be achieved under the condition that the deaerator body is arranged at a low position.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of oxygen -removing device, specifically at low level oxygen -removing device system. BACKGROUND

[0002] The oxygen -removing device is a kind of thermal oxygen-removing equipment for removing dissolved oxygen in water, and is widely used in industrial boiler, power plant, chemical industry and other fields.The core function is to separate dissolved oxygen and other gases in water by thermal action to prevent equipment corrosion and improve system efficiency.For example, the patent application No.202020868362.3 proposes a feedwater expansion type oxygen-removing device, which comprises an oxygen-removing device body, a condensate inlet is formed in the middle of the top end of the oxygen-removing device body, a safety valve is fixedly arranged on the outside of the top end of the oxygen-removing device body, an oxygen-removing water outlet is formed in the middle of the bottom end of the oxygen-removing device body, and a steam communication pipe is fixedly arranged on the outside of the oxygen-removing water outlet close to the bottom end of the oxygen-removing device body.

[0003] The existing oxygen-removing device is used at low level, the outlet pressure is small, cannot provide sufficient flow, leads to small water supply, and the use effect is poor, therefore we improve it, and propose a low level oxygen-removing device system. UTILITY MODEL CONTENT

[0004] The utility model is mainly aimed at providing a low level oxygen-removing device system, which can effectively solve the problem that the outlet pressure of the oxygen-removing device is small when used at low level, cannot provide sufficient flow, leads to small water supply and poor use effect.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A low level oxygen-removing device system, comprising an oxygen-removing device body, a water inlet is arranged on one side of the top of the oxygen-removing device body, a water inlet pipe is mounted on one side of the water inlet, a first steam inlet and a second steam inlet are respectively arranged on one side of the top of the oxygen-removing device body, a steam conveying pipe is mounted on one side of the first steam inlet and the second steam inlet, a liquid level meter is mounted on one side of the oxygen-removing device body, a water outlet is arranged on one side of the bottom of the oxygen-removing device body, a water outlet pipe is mounted on one side of the water outlet, a backflow pipe is mounted on one side of the water outlet pipe, and an exhaust port is arranged on one side of the top of the oxygen-removing device body.

[0007] Preferably, an oxygen-removing device feedwater pump is mounted on one side of the water inlet pipe, and a first control valve is mounted on the pipe body of the water inlet pipe on both sides of the oxygen-removing device feedwater pump.

[0008] Preferably, a second control valve is mounted on the pipe body of the steam conveying pipe, and a plurality of first spray heads are arranged on the pipe body inside the oxygen-removing device body.

[0009] As preferred, the bottom side of the deaerator body is provided with a V-shaped flow guide groove, the bottom of the V-shaped flow guide groove is connected with one end of the water outlet.

[0010] As preferred, a porous ring is installed inside the deaerator body and outside the V-shaped flow guide groove, and a second spray head is installed at one end of the reflux pipeline inside the deaerator body.

[0011] As preferred, the second spray head is arranged inside the porous ring and above the V-shaped flow guide groove, and an electric regulating valve is installed on the pipe body of the reflux pipeline.

[0012] As preferred, a booster pump is installed on the pipe body of the water outlet pipeline, and a water outlet pump is also installed on one side of the pipe body of the water outlet pipeline.

[0013] As preferred, a third control valve is installed on the pipe body of the water outlet pipeline and on both sides of the booster pump and the water outlet pump.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] The V-shaped flow guide groove arranged on the top of the water outlet can increase the water supply of the water outlet, reduce the water supply resistance, the booster pump can increase the water outlet pressure of the water outlet pipeline, the opening and closing of the reflux pipeline can be controlled through the electric regulating valve, the water pump cavitation is not easy to produce, the second spray head arranged at the end of the reflux pipeline and the porous ring can all increase the water outlet pressure of the water outlet, avoid the water pump cavitation, the water outlet pipeline can provide sufficient flow and pressure, and the water outlet pump can realize normal water supply under the condition that the deaerator body is arranged at a low position. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a plane structure schematic view of the utility model;

[0017] Figure 2 It is a plane structure schematic view of the utility model; Figure 1 It is an enlarged view of A in the figure.

[0018] In the figure: 1, deaerator body; 2, water inlet; 3, deaerator water supply pump; 4, first control valve; 5, liquid level meter; 6, first steam inlet; 7, second steam inlet; 8, second control valve; 9, first spray head; 10, water outlet; 11, booster pump; 12, reflux pipeline; 13, electric regulating valve; 14, second spray head; 15, porous ring; 16, V-shaped flow guide groove; 17, steam conveying pipeline; 18, water outlet pipeline; 19, water outlet pump; 20, water inlet pipeline; 21, exhaust port; 22, third control valve. DETAILED DESCRIPTION

[0019] The technical solutions of this utility model will be clearly and completely described below with reference to the embodiments of this utility model. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of this utility model.

[0020] like Figure 1 As shown, a low-level deaerator system includes a deaerator body 1, a water inlet 2 on one side of the top of the deaerator body 1, a water inlet pipe 20 installed on one side of the water inlet 2, a first steam inlet 6 and a second steam inlet 7 respectively provided on one side of the top of the deaerator body 1, a steam conveying pipe 17 installed on one side of the first steam inlet 6 and the second steam inlet 7, a level gauge 5 installed on one side of the deaerator body 1, a water outlet 10 provided on one side of the bottom of the deaerator body 1, a water outlet pipe 18 installed on one side of the water outlet 10, a return pipe 12 installed on one side of the water outlet pipe 18, and an exhaust port 21 provided on one side of the top of the deaerator body 1.

[0021] like Figure 1 , Figure 2 As shown, a deaerator feed water pump 3 is installed on one side of the inlet pipe 20. First control valves 4 are installed on both sides of the inlet pipe 20 and the deaerator feed water pump 3. A second control valve 8 is installed on the steam delivery pipe 17. Several first spray heads 9 are installed on the steam delivery pipe 17 inside the deaerator body 1. A V-shaped guide channel 16 is provided on one side of the bottom of the deaerator body 1. The bottom of the V-shaped guide channel 16 is connected to one end of the outlet 10. The interior of the deaerator body 1 and the area within the V-shaped guide channel... A perforated ring 15 is installed on the outside of the trough 16. A second spray head 14 is installed at one end of the return pipe 12 inside the deaerator body 1. The second spray head 14 is located inside the perforated ring 15 and above the V-shaped guide trough 16. An electric regulating valve 13 is installed on the pipe body of the return pipe 12. A booster pump 11 is installed on the pipe body of the outlet pipe 18. An outlet pump 19 is also installed on one side of the outlet pipe 18. A third control valve 22 is installed on both sides of the outlet pipe 18 and the booster pump 11 and the outlet pump 19.

[0022] The V-shaped flow guide groove 16 arranged on the top of the water outlet 10 can increase the water supply of the water outlet 10 and reduce the water supply resistance, the booster pump 11 can increase the water outlet pressure of the water outlet pipeline 18, the opening and closing of the backflow pipeline 12 can be controlled through the electric regulating valve 13, the water pump cavitation is not easy to occur, the second spray head 14 and the perforated ring 15 arranged at the end of the backflow pipeline 12 can increase the water outlet pressure of the water outlet 10, the water pump cavitation is avoided, the water outlet pipeline 18 can provide sufficient flow and pressure, and the normal water supply of the water outlet pump 19 can be realized under the condition that the deaerator body 1 is arranged at a low position.

[0023] The working principle of the low-position deaerator system is as follows:

[0024] In use, water is delivered to the inside of the deaerator body 1 through the water inlet pipeline 20 for deaeration treatment, the deaerator body 1 heats the water inside to reduce the equilibrium partial pressure of dissolved oxygen, steam can be delivered to the inside of the deaerator body 1 through the first steam inlet 6 and the second steam inlet 7 at different positions through the steam delivery pipeline 17, the water can be assisted to be heated, the efficiency of oxygen removal is improved, a plurality of first spray heads 9 are installed at the end of the steam delivery pipeline 17, the spraying range of steam is wider, the water inside can be fully contacted, the contact area is larger, the oxygen is promoted to escape, the escaped oxygen is discharged to the outside through the exhaust port 21, and the water after the oxygen is discharged is discharged to the outside through the water outlet 10.

[0025] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not limited to the embodiments of the utility model, for ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, here, all the embodiments cannot be exhausted, any obvious changes or changes derived from the technical scheme of the utility model still belong to the protection scope of the utility model.

Claims

1. A low level deaerator system comprising a deaerator body (1) characterised in that: The top side of the deaerator body (1) is provided with a water inlet (2), and the water inlet (2) is provided with a water inlet pipeline (20) on one side.

2. A low-level deaerator system as claimed in claim 1, wherein: The water inlet pipeline (20) is provided with a deaerator feed water pump (3) on one side.

3. A low-level deaerator system as claimed in claim 1, wherein: The steam conveying pipeline (17) is provided with a second control valve (8) on the pipe body.

4. A low-level deaerator system as claimed in claim 1, wherein: The bottom side of the deaerator body (1) is provided with a V-shaped flow guide groove (16), and the bottom of the V-shaped flow guide groove (16) is connected with one end of the water outlet (10).

5. A low-level deaerator system as claimed in claim 1, wherein: The inside of the deaerator body (1) is provided with a perforated ring (15) outside the V-shaped flow guide groove (16).

6. A low-level deaerator system as claimed in claim 5, wherein: The second spray head (14) is arranged inside the perforated ring (15) and above the V-shaped flow guide groove (16).

7. A low-level deaerator system as claimed in claim 1, wherein: The water outlet pipeline (18) is provided with a booster pump (11) on the pipe body.

8. A low-level deaerator system as claimed in claim 1, wherein: The water outlet pipeline (18) is provided with a water outlet pump (19) on one side of the pipe body. The water outlet pipeline (18) is provided with a third control valve (22) on the pipe body and on both sides of the booster pump (11) and the water outlet pump (19).

Citation Information

Patent Citations

  • Water supply expansion type deaerator

    CN212746429U