Pressure-resistant deaerator

Abstract

The pressure-resistant deaerator comprises a water storage tank, tank end covers are arranged at the two ends of the water storage tank, the tank end covers are connected with the water storage tank through screws, a connecting base is arranged at the upper end of the water storage tank, the connecting base and the water storage tank are arranged into a whole, a deaeration tower is arranged above the connecting base, and the deaeration tower is connected with the water storage tank through screws. The water storage tank comprises an outer tank body, an inner tank body and an elastic filling layer, the outer tank body is arranged outside the inner tank body, the elastic filling layer is arranged between the outer tank body and the inner tank body, and the elastic filling layer, the outer tank body and the inner tank body are connected into a whole; the shell of the deaerator is of a multi-layer structure composed of the outer box body, the inner box body and the elastic filling layer, the structural strength of the shell of the water storage tank is improved, the elastic filling layer reversibly deforms when subjected to external force and rapidly recovers to the original shape after the external force is removed, the pressure resistance of the deaerator is improved, and the service life of the deaerator is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of deaerators, in particular to a pressure-resistant deaerator. Background Technique

[0002] The deaeration equipment mainly consists of two major parts, namely a deaerator tower head and a deaerator water tank, as well as connecting pipes and external accessories. Its main component, the deaerator, is composed of a shell, a steam-water separator, a new type of rotary film device, a water spraying grid, a heat storage packing liquid-vapor network and other components. Through the make-up water sprayed in a spiral shape at a certain angle through the film-forming pipe to exchange heat with the heating steam for deaeration, the feed water is heated to the saturation temperature corresponding to the working pressure of the deaerator, removing the oxygen and other gases dissolved in the feed water, and preventing and reducing the corrosion of the boiler feed water pipe, economizer and other auxiliary equipment.

[0003] Chinese Patent Publication No. is CN216203280U, and the authorization announcement date is April 5, 2022. A deaerator includes: a first barrel body and a second barrel body. The second barrel body is arranged on the first barrel body. The first barrel body includes: a first air inlet and a first air outlet. The first air inlet and the first air outlet are respectively located at the top of the first barrel body. A second air inlet is further opened at the bottom of the first barrel body. The bottom of the first barrel body further includes a group of support frames. The second barrel body is provided with an arc-shaped top cover and at least one liquid level gauge is arranged on the arc-shaped top cover. This application solves the problem of poor heat and mass transfer effect, resulting in a small exhaust volume.

[0004] The existing main structure of the deaerator adopts an integrally formed single tank body. The tank body is a single-layer structure, and the pressure resistance of the tank body is limited, resulting in great limitations on the amount of water and gas inside the tank body. During use, it is easy to cause the tank body to be damaged, reducing the service life of the deaerator and unable to meet the use requirements. Content of the Utility Model

[0005] The purpose of the utility model is to provide a pressure-resistant deaerator to solve the problem mentioned in the above background technique that the existing main structure of the deaerator adopts an integrally formed single tank body. The tank body is a single-layer structure, and the pressure resistance of the tank body is limited, resulting in great limitations on the amount of water and gas inside the tank body. During use, it is easy to cause the tank body to be damaged, reducing the service life of the deaerator and unable to meet the use requirements.

[0006] To achieve the above object, the present utility model provides the following technical solutions: A pressure-resistant deaerator, comprising a water storage tank, both ends of the water storage tank are provided with tank end covers, and the tank end covers are connected to the water storage tank by screws. A connection seat is provided above the water storage tank, and the connection seat and the water storage tank are integrally formed. An oxygen removal tower is provided above the connection seat, and the oxygen removal tower is connected to the connection seat by screws. The water storage tank includes an outer box body, an inner box body and an elastic filling layer. The outer box body is arranged outside the inner box body. The elastic filling layer is arranged between the outer box body and the inner box body, and the elastic filling layer is integrally connected to both the outer box body and the inner box body.

[0007] Preferably, a cross bar is provided outside the water storage tank. There are four cross bars, and the four cross bars are equidistantly arranged outside the water storage tank. The cross bar is integrally welded to the outer box body.

[0008] Preferably, an arc-shaped hoop is arranged between the two cross bars. There are at least six arc-shaped hoops. Both ends of the arc-shaped hoop are fixedly connected to the cross bar. The arc-shaped hoops are equidistantly arranged along the cross bar and are in contact with the outer box body.

[0009] Preferably, an intake pipe valve assembly is provided above one end of the water storage tank, and a pressure relief pipe valve assembly is provided above the other end of the water storage tank. The intake pipe valve assembly and the pressure relief pipe valve assembly are both integrally connected to the water storage tank.

[0010] Preferably, a pressure gauge is provided above the water storage tank, and the pressure gauge is integrally connected to the water storage tank. The pressure gauge is arranged on one side of the oxygen removal tower.

[0011] Preferably, a diaphragm is provided on the top of the water storage tank, and the diaphragm is integrally connected to the water storage tank. The diaphragm is arranged below the pressure relief pipe valve assembly.

[0012] Preferably, support seats are provided below the water storage tank. There are two support seats, and the support seats are connected to the water storage tank by screws. Anti-slip and shock-absorbing plates are provided below both support seats, and the anti-slip and shock-absorbing plates are fixedly connected to the support seats.

[0013] Compared with the prior art, the beneficial effects of the present utility model are:

[0014] 1. Through the setting of the outer box body, the inner box body and the elastic filling layer, the outer box body, the inner box body and the elastic filling layer constitute a multi-layer structure. The elastic filling layer adopts polyethylene foam. Polyethylene foam is light in weight, soft, durable, low in density and good in elasticity. It can be freely cut into various shapes, undergoes reversible deformation when subjected to external force, and quickly returns to its original shape after the external force is removed, improving the structural strength of the water storage tank shell and having a buffering effect, and improving the pressure resistance of the deaerator;

[0015] 2. Through the arrangement of the cross bar and the arc-shaped hoop, the cross bar and the arc-shaped hoop form a frame structure outside the water storage tank, increasing the structural strength of the water storage tank and further improving the pressure resistance performance of the deaerator;

[0016] 3. Through the arrangement of the intake pipe valve assembly, the pressure relief pipe valve assembly and the pressure gauge, the intake pipe valve assembly injects air when the water storage tank is under negative pressure, the pressure relief pipe valve assembly discharges air when the water storage tank is under high pressure, the diaphragm filters the discharged air, and the pressure gauge monitors the pressure in the water storage tank, facilitating pressure adjustment. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0018] Figure 2 is of the present utility model Figure 1 partial enlarged view of Area A;

[0019] Figure 3 is a sectional view of the water storage tank of the present utility model;

[0020] Figure 4 is a connection relationship diagram of the pressure relief pipe valve assembly and the water storage tank of the present utility model.

[0021] In the figure: 1, water storage tank; 2, tank end cover; 3, support seat; 4, anti-slip shock-absorbing plate; 5, connecting seat; 6, deaeration tower; 7, intake pipe valve assembly; 8, pressure relief pipe valve assembly; 9, pressure gauge; 10, cross bar; 11, arc-shaped hoop; 12, outer box body; 13, inner box body; 14, elastic filling layer; 15, diaphragm. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0022] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments.

[0023] Please refer to Figures 1-4, an embodiment provided by the present utility model: a pressure-resistant deaerator, including a water storage tank 1. Both ends of the water storage tank 1 are provided with tank end covers 2, and the tank end covers 2 are connected to the water storage tank 1 by screws. A connection seat 5 is arranged above the water storage tank 1, and the connection seat 5 is integrally formed with the water storage tank 1. An oxygen removal tower 6 is arranged above the connection seat 5, and the oxygen removal tower 6 is connected to the connection seat 5 by screws. The water storage tank 1 includes an outer box body 12, an inner box body 13 and an elastic filling layer 14. The outer box body 12 is arranged outside the inner box body 13, and the elastic filling layer 14 is arranged between the outer box body 12 and the inner box body 13, and the elastic filling layer 14 is integrally connected to both the outer box body 12 and the inner box body 13. The water storage tank 1 is composed of the outer box body 12, the inner box body 13 and the elastic filling layer 14 to form a multi-layer structure. The elastic filling layer 14 is made of polyethylene foam. Polyethylene foam is light, soft, durable, has a low density and good elasticity, can be freely cut into various shapes, undergoes reversible deformation when subjected to external force, and quickly returns to its original shape after the external force is removed, improving the structural strength of the shell of the water storage tank 1 and having a buffering effect, and improving the pressure-resistant performance of the deaerator.

[0024] Please refer to Figure 1 and Figure 2 , a cross bar 10 is arranged outside the water storage tank 1. There are four cross bars 10, and the four cross bars 10 are equidistantly arranged outside the water storage tank 1. The cross bar 10 is integrally welded to the outer box body 12. An arc-shaped hoop 11 is arranged between two cross bars 10. There are at least six arc-shaped hoops 11, and both ends of the arc-shaped hoop 11 are fixedly connected to the cross bar 10. The arc-shaped hoops 11 are equidistantly arranged along the cross bar 10, and the arc-shaped hoops 11 are in contact with the outer box body 12. The cross bar 10 and the arc-shaped hoops 11 form a frame structure outside the water storage tank 1, increasing the structural strength of the water storage tank 1 and further improving the pressure-resistant performance of the deaerator.

[0025] Please refer to Figure 1 and Figure 4 , an intake pipe valve assembly 7 is arranged above one end of the water storage tank 1, and a pressure relief pipe valve assembly 8 is arranged above the other end of the water storage tank 1. The intake pipe valve assembly 7 and the pressure relief pipe valve assembly 8 are integrally connected to the water storage tank 1. A pressure gauge 9 is arranged above the water storage tank 1, and the pressure gauge 9 is integrally connected to the water storage tank 1. The pressure gauge 9 is arranged on one side of the oxygen removal tower 6. A diaphragm 15 is arranged on the top of the water storage tank 1, and the diaphragm 15 is integrally connected to the water storage tank 1. The diaphragm 15 is arranged below the pressure relief pipe valve assembly 8. The intake pipe valve assembly 7 injects air when the water storage tank 1 is in negative pressure, the pressure relief pipe valve assembly 8 discharges air when the water storage tank 1 is in high pressure, the diaphragm 15 filters the discharged air, and the pressure gauge 9 monitors the pressure in the water storage tank 1, facilitating pressure adjustment.

[0026] Please refer to Figure 1, a support base 3 is provided below the water storage tank 1. There are two support bases 3, and the support base 3 is connected to the water storage tank 1 by screws. Anti-slip and shock-absorbing plates 4 are provided below both support bases 3, and the anti-slip and shock-absorbing plates 4 are fixedly connected to the support base 3. The support base 3 supports and installs the deaerator, and the anti-slip and shock-absorbing plate 4 improves the stability of the installed deaerator and plays a protective role when the deaerator is subjected to external forces.

[0027] Working principle: The water storage tank 1 is composed of a multi-layer structure including an outer box body 12, an inner box body 13, and an elastic filling layer 14. The elastic filling layer 14 is made of polyethylene foam. Polyethylene foam is light, soft, and durable, with low density and good elasticity. It can be freely cut into various shapes, undergoes reversible deformation when subjected to external forces, and quickly resumes its original shape after the external forces are removed, improving the structural strength of the shell of the water storage tank 1 and having a buffering effect. The cross bar 10 and the arc-shaped hoop 11 form a frame structure outside the water storage tank 1, increasing the structural strength of the water storage tank 1 and improving the pressure resistance of the deaerator; the intake pipe valve assembly 7 injects air when the water storage tank 1 is under negative pressure, and the pressure relief pipe valve assembly 8 discharges air when the water storage tank 1 is under high pressure. The diaphragm 15 filters the discharged air, and the pressure gauge 9 monitors the pressure inside the water storage tank 1 to facilitate pressure adjustment.

[0028] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0029] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure-resistant deaerator, comprising a water storage tank (1), characterized in that: Both ends of the water storage tank (1) are provided with tank end covers (2), and the tank end covers (2) are connected to the water storage tank (1) by screws. A connecting seat (5) is arranged above the water storage tank (1), and the connecting seat (5) and the water storage tank (1) are integrally formed. An deaeration tower (6) is arranged above the connecting seat (5), and the deaeration tower (6) is connected to the connecting seat (5) by screws. The water storage tank (1) includes an outer box body (12), an inner box body (13) and an elastic filling layer (14). The outer box body (12) is arranged outside the inner box body (13). The elastic filling layer (14) is arranged between the outer box body (12) and the inner box body (13), and the elastic filling layer (14) is integrally connected to both the outer box body (12) and the inner box body (13).

2. The pressure-resistant deaerator according to claim 1, characterized in that: A cross bar (10) is arranged outside the water storage tank (1). There are four cross bars (10), and the four cross bars (10) are equidistantly arranged outside the water storage tank (1). The cross bar (10) is integrally welded to the outer box body (12).

3. The pressure-resistant deaerator according to claim 2, characterized in that: An arc-shaped hoop (11) is arranged between two of the cross bars (10). There are at least six arc-shaped hoops (11), and both ends of the arc-shaped hoop (11) are fixedly connected to the cross bar (10). The arc-shaped hoops (11) are equidistantly arranged along the cross bar (10), and the arc-shaped hoop (11) is in contact with the outer box body (12).

4. A pressure-resistant deaerator according to claim 1, characterized in that: An intake pipe valve assembly (7) is arranged above one end of the water storage tank (1). A pressure relief pipe valve assembly (8) is arranged above the other end of the water storage tank (1), and both the intake pipe valve assembly (7) and the pressure relief pipe valve assembly (8) are integrally connected to the water storage tank (1).

5. A pressure-resistant deaerator according to claim 1, characterized in that: A pressure gauge (9) is arranged above the water storage tank (1), and the pressure gauge (9) is integrally connected to the water storage tank (1). The pressure gauge (9) is arranged on one side of the deaeration tower (6).

6. The pressure-resistant deaerator according to claim 4, wherein: A diaphragm (15) is arranged on the top of the water storage tank (1), and the diaphragm (15) is integrally connected to the water storage tank (1). The diaphragm (15) is arranged below the pressure relief pipe valve assembly (8).

7. A pressure-resistant deaerator according to claim 1, characterized in that: Support seats (3) are arranged below the water storage tank (1). There are two support seats (3), and the support seats (3) are connected to the water storage tank (1) by screws. Anti-slip and shock-absorbing plates (4) are arranged below both of the support seats (3), and the anti-slip and shock-absorbing plates (4) are fixedly connected to the support seats (3).

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