Water storage tank for steam boiler

Abstract

The water storage tank comprises a water storage tank body and a steam pipe, a plurality of air holes are formed in the top of the water storage tank body, the top of the water storage tank body is communicated with a water inlet pipe, the water inlet pipe is communicated with a flow dividing pipe, and the flow dividing pipe extends from the middle to the two ends of the water storage tank body in the length direction. A plurality of spray heads are evenly distributed on the flow dividing pipe, the steam pipe is arranged at the bottom of the water storage tank body, deoxygenated water needing to be deoxygenated is added into the water inlet pipe, the deoxygenated water is sprayed into the water storage tank body through the spray heads, steam is introduced into the water storage tank body through the steam pipe, the steam and the sprayed deoxygenated water are mixed and heated, and therefore the deoxygenated water is deoxygenated. And meanwhile, the deoxygenated water in the water storage tank body can be kept in a boiling state, so that the deoxygenated water can be isolated from gas.

Description

TECHNICAL FIELD

[0001] The utility model relates to steam boiler equipment technical field, concretely relates to a water storage tank for steam boiler. BACKGROUND

[0002] The steam boiler water storage tank is the main collection point of the cold make-up water and the recovered condensed water, and the effective heating of the feed water, the deoxygenation of the make-up water, the absorption of the condensed water flash steam and the like are the functions that the boiler water storage tank must have.

[0003] In the related art, the steam boiler water storage tank is usually composed of a deoxygenation head and a deoxygenation water tank, and the deoxygenation is performed by introducing high-temperature steam into the deoxygenation head, however, there is no direct steam source in the deoxygenation water tank, and the deoxygenation water tank cannot be kept in a boiling state when operated in a low-intensity condition, which is not conducive to the isolation of the deoxygenation water and the gas. SUMMARY

[0004] The utility model discloses a water storage tank for steam boiler to solve the technical problem in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a water storage tank for steam boiler, including water storage tank body and steam pipe, the top of water storage tank body is equipped with a plurality of air holes, the top of water storage tank body is connected with inlet pipe, inlet pipe is connected with shunt pipe, shunt pipe extends and lays from the middle to the length direction both ends of water storage tank body, evenly distributed with a plurality of spray heads on shunt pipe, steam pipe sets up at the bottom of water storage tank body.

[0006] Further, the two sides perpendicular to the length direction of the water storage tank body are each provided with a spray pipe, and the air outlet of the spray pipe faces the bottom of the water storage tank body.

[0007] Further, a filler layer is arranged in the water storage tank body, and the filler layer is arranged below the spray head.

[0008] Further, a partition plate is arranged between the filler layer and the spray head, and a plurality of through holes are arranged on the partition plate.

[0009] Further, the filler layer and the partition plate are each arranged in an arc shape.

[0010] Further, an overflow pipe is connected to the bottom of the water storage tank body, and an overflow opening of the overflow pipe extends to the outside of the water storage tank body.

[0011] Compared with the prior art, the utility model discloses the beneficial effects: the utility model discloses the deoxygenated water that needs to add deoxygenated water to the inlet pipe, and the deoxygenated water is sprayed into the water storage tank body through the spray head, and the steam is passed into the water storage tank body through the steam pipe, and the steam mixes and heats with the sprayed deoxygenated water, thereby deoxygenating the deoxygenated water, and the deoxygenated water in the water storage tank body can be kept in a boiling state, which is beneficial to the isolation of the deoxygenated water and the gas. BRIEF DESCRIPTION OF DRAWINGS

[0012] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0013] Fig. 2 It is the sectional view of the utility model;

[0014] The names of the components marked in the drawing are as follows: 1, water storage tank body;2, steam pipe;3, air hole;4, inlet pipe;5, shunt pipe;6, spray head;7, spray pipe;8, filler layer;9, baffle;10, overflow pipe;11, drain pipe. DETAILED DESCRIPTION

[0015] In order to further illustrate the technical means and effects adopted by the utility model to achieve the predetermined utility model purposes, the specific embodiments, structures, features and effects according to the utility model are described in detail as follows in combination with the drawings and preferred embodiments.

[0016] Embodiment: please refer to Figs. 1-2 A water storage tank for steam boiler, including water storage tank body 1 and steam pipe 2, the top of water storage tank body 1 is equipped with a plurality of air holes 3, and the gas is discharged from the air hole 3, and the top of water storage tank body 1 is communicated with inlet pipe 4, and the deoxygenated water that needs to be deoxygenated is passed into the inlet pipe 4, and the inlet pipe 4 is communicated with shunt pipe 5, and the shunt pipe 5 is extended and laid from the middle to the length direction of the two ends of water storage tank body 1, so that the deoxygenated water can be uniformly distributed in water storage tank body 1, and a plurality of spray heads 6 are uniformly distributed on shunt pipe 5, and the deoxygenated water is sprayed into water storage tank body 1 through spray head 6, and the spraying form of the deoxygenated water can make the deoxygenated water fully contact with steam, so that the deoxygenated water and steam are fully mixed and heated, and steam pipe 2 is arranged at the bottom of water storage tank body 1, and high-temperature steam is passed into water storage tank body 1 through steam pipe 2, so that the deoxygenated water is kept in a boiling state, which is beneficial to the isolation of the deoxygenated water and the gas;In the embodiment, the bottom of water storage tank body 1 is also provided with drain pipe 11, and the deoxygenated water in water storage tank body 1 can be emptied through drain pipe 11;The two sides perpendicular to the length direction of water storage tank body 1 are both provided with spray pipe 7, so that steam and deoxygenated water can fully contact and heat, and the air outlet of spray pipe 7 faces the bottom of water storage tank body 1, and steam flows from bottom to top, which further makes steam and deoxygenated water more fully contact and heat, thereby improving the deoxygenation effect.

[0017] In the above embodiment, the water storage tank body 1 is provided with a filler layer 8, the filler layer 8 is arranged below the spray head 6, the deoxygenated water is temporarily attached on the filler layer 8, mixed with high-temperature steam to heat to saturation temperature, separates oxygen and other gases, and the separated gases are discharged from the exhaust port.

[0018] A baffle 9 is arranged between the filler layer 8 and the spray head 6, the baffle 9 is provided with a plurality of through holes, after being sprayed out of the spray head 6, the deoxygenated water is mixed with steam for heating, and this process completes the rough deoxygenation of the deoxygenated water, the spray head 6 sprays the deoxygenated water onto the baffle 9, the deoxygenated water is uniformly dripped on the filler layer 8 from the through holes of the baffle 9, and the steam is further mixed with the deoxygenated water for heating, it should be noted that the highest liquid level in the water storage tank body 1 is always below the filler layer 8, and does not affect the filler layer 8; in the embodiment, the filler layer 8 and the baffle 9 are both arc-shaped, which can increase the contact area of the filler layer 8 and the baffle 9; the bottom of the water storage tank body 1 is communicated with an overflow pipe 10, the overflow port of the overflow pipe 10 extends to the outside of the water storage tank body 1, if the liquid level in the water storage tank body 1 is too high, the deoxygenated water will be discharged outside from the overflow pipe 10, so that the normal liquid level in the water storage tank body 1 is maintained.

[0019] The working principle of the embodiment is as follows: in use, high-temperature steam is introduced into the water storage tank body 1 through the steam pipe 2, the high-temperature steam is sprayed out of the spray pipe 7, so that the steam is uniformly distributed in the water storage tank body 1, the deoxygenated water is introduced into the water storage tank body 1 from the water inlet pipe 4, the deoxygenated water flows into the shunt pipe 5 from the water inlet pipe 4, the deoxygenated water is sprayed out of the spray head 6 and contacts with the steam to complete the rough deoxygenation of the deoxygenated water, the deoxygenated water is sprayed onto the baffle 9 from the spray head 6, and the deoxygenated water is uniformly distributed on the filler layer 8 through the baffle 9, the deoxygenated water is temporarily attached on the filler layer 8 and fully contacts with the steam for mixing, so that the deoxygenated water is further deoxygenated; wherein the steam is sprayed out of the bottom of the water storage tank body 1, which can keep the deoxygenated water in the water storage tank body 1 in a boiling state, and is beneficial to the isolation of the deoxygenated water and the gas.

[0020] The above is only a preferred embodiment of the present application, and does not limit the present application in any form, although the present application has been disclosed as above with a preferred embodiment, however, it is not intended to limit the present application, any person skilled in the art, without departing from the technical solution of the present application, can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, but as long as it does not deviate from the technical solution of the present application, any modification, equivalent change and modification of the above embodiments according to the technical essence of the present application, all still belong to the scope of the technical solution of the present application.

Claims

1. A water storage tank for a steam boiler, characterised in that: Including water storage tank body (1) and steam pipe (2), the top of the water storage tank body (1) is provided with a plurality of air holes (3), the top of the water storage tank body (1) is communicated with a water inlet pipe (4), the water inlet pipe (4) is communicated with a shunt pipe (5), the shunt pipe (5) extends and lays from the middle to both ends of the length direction of the water storage tank body (1), a plurality of spray heads (6) are uniformly distributed on the shunt pipe (5), the steam pipe (2) is arranged at the bottom of the water storage tank body (1).

2. The water storage tank for steam boiler as claimed in claim 1 wherein: Both sides perpendicular to the length direction of the water storage tank body (1) are provided with spray pipes (7), and the air outlet of the spray pipe (7) faces the bottom of the water storage tank body (1).

3. The water storage tank for steam boiler as claimed in claim 1 wherein: The water storage tank body (1) is provided with a filler layer (8), and the filler layer (8) is arranged below the spray head (6).

4. The water storage tank for steam boilers according to claim 3, characterized in that: The filler layer (8) and the spray head (6) are provided with a partition plate (9), and the partition plate (9) is provided with a plurality of through holes.

5. The water storage tank for steam boilers according to claim 4, characterized in that: The filler layer (8) and the partition plate (9) are both arc-shaped.

6. The water storage tank for steam boiler as claimed in claim 1 wherein: The bottom of the water storage tank body (1) is communicated with an overflow pipe (10), and the overflow port of the overflow pipe (10) extends to the outside of the water storage tank body (1).

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