CN218442243U - Boiler water tank with efficient deaerator - Google Patents
Boiler water tank with efficient deaerator Download PDFInfo
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- CN218442243U CN218442243U CN202223002206.7U CN202223002206U CN218442243U CN 218442243 U CN218442243 U CN 218442243U CN 202223002206 U CN202223002206 U CN 202223002206U CN 218442243 U CN218442243 U CN 218442243U
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Abstract
The utility model relates to a boiler water tank, in particular to boiler water tank with high-efficient oxygen-eliminating device. Its structure includes boiler water tank, boiler water tank on be connected with the oxygen-eliminating device tower, the oxygen-eliminating device tower includes the casing, the casing top set up catch water, the casing in upper portion set up one-level deoxidization subassembly, the casing in the lower part set up second grade deoxidization subassembly, one-level deoxidization subassembly and second grade deoxidization subassembly between set up the water film skirt room, the water film skirt indoor set up highly with hydrophobic injection pipe, the casing of water film skirt room one side on set up the manhole. The utility model discloses a take boiler water tank of high-efficient oxygen-eliminating device, it can solve the boiler demineralized water quality of water oxygen content during daily operation and be on the high side, the hidden danger that oxygen-eliminating device efficiency is not enough avoids boiler water oxygen content to be on the high side to cause boiler tube oxygen to corrode and the steam problem that the discharge flow is big on the large side to guarantee the safe normal stable operation of core equipment such as boiler, steam turbine, avoid the emergence of accident incident.
Description
Technical Field
The utility model relates to a boiler water tank, in particular to boiler water tank with high-efficient oxygen-eliminating device.
Background
Oxygen and other non-condensable gases are commonly present in boiler feed water processes, which can affect the quality of the water. If oxygen is dissolved in water, the metal contacting with water will be corroded, and if gas is accumulated in the heat exchanger, the heat resistance of heat transfer will be increased, and the heat transfer effect of the equipment will be reduced. It is therefore disadvantageous to have any gas dissolved in the water, especially oxygen, which directly threatens the safe operation of the plant.
The deaerator is one of the important auxiliary machines in the boiler system, its main function is to remove the non-condensable gas such as oxygen and carbon dioxide in the demineralized water, secondly heat the demineralized water to the saturation temperature under the deaerator operating pressure, the heating steam comes from the residual steam, high temperature drainage, etc. of the boiler, steam turbine and other aspects, thus improve the heat economy of the system, and store the saturated water which reaches the standard oxygen content in the deaerator water tank, meet the needs of the boiler at any time, guarantee the safe operation of the boiler.
In actual operation in the prior art, because the number of subsequent devices is increased continuously, the condensate recovery of each device is increased, the deoxidization efficiency of the conventional deaerator cannot meet the deoxidization requirement of a boiler device, the conventional deaerator often deviates from the index and operates above, and the oxygen corrosion of a boiler water vapor system pipeline is directly formed; in order to prevent index deviation, the dosage of chemical oxygen removal is obviously increased, and the waste amount of steam discharge is increased; great hidden danger is caused to the safe and stable operation of the boiler.
Disclosure of Invention
In order to solve the problem of prior art, the utility model provides a take boiler water tank of high-efficient oxygen-eliminating device, it can solve the boiler demineralized water quality of water oxygen content during daily operation and be on the high side, the hidden danger that oxygen-eliminating device efficiency is not enough avoids boiler water oxygen content to be on the high side to cause boiler stove pipe oxygen to corrode and the steam unloading flow problem on the big side to guarantee the safe and normal stable operation of core equipment such as boiler, steam turbine, avoid the emergence of accident incident.
The utility model discloses the technical scheme who adopts as follows:
the utility model provides a take boiler water tank of high-efficient oxygen-eliminating device, includes boiler water tank, boiler water tank on be connected with the oxygen-eliminating device tower, the oxygen-eliminating device tower include the casing, the casing top set up catch water, the casing in upper portion set up one-level deoxidization subassembly, the casing in the lower part set up second grade deoxidization subassembly, one-level deoxidization subassembly and second grade deoxidization subassembly between set up water film skirt room, water film skirt indoor set up highly with hydrophobic injection pipe, the casing of water film skirt room one side on set up the manhole.
Preferably, one-level deoxidization subassembly includes the baffle, the baffle below in set up the cyclone membrane nest of tubes, the cyclone membrane nest of tubes pass through the inlet opening on the casing and connect outside water pipe, the cyclone membrane nest of tubes include 61 cyclone membrane pipes, the size of cyclone membrane pipe be 133mm phi 4.5mm, the inlet opening be phi 5.5mm phi 11mm hole.
Preferably, the secondary deoxygenation assembly comprises a filler support grid plate and a filler grid plate arranged above the filler support grid plate, and 304 pall ring fillers are arranged between the filler support grid plate and the filler grid plate.
Preferably, a reboiling pipe is arranged in the boiler water tank, and steam which is in the boiler water tank and is boiled by the reboiling pipe enters the deaerator tower through a steam distribution pipe.
Preferably, a steam buffer is arranged in the film rotating pipe.
The utility model provides a beneficial effect that technical scheme brought is:
1. the utility model adopts sixty rotary film pipes with 133mm x phi 4.5mm, and a steam buffer is added in the rotary film pipes;
2. all water inlet holes of the spinning membrane pipe adopt phi 5.5 x 11mm holes, so that the water distribution effect of the spinning membrane is optimized;
3. the deaerator is filled with stainless steel 304 pall rings, so that the contact area of water vapor is enlarged, and the heat exchange efficiency is improved.
The utility model discloses a take boiler water tank of high-efficient oxygen-eliminating device, its one-level deoxidization subassembly and second grade deoxidization subassembly after adopting the improvement, perfect solution cyclone film oxygen-eliminating device deoxidization effect is not good, and the shortcoming of the instability of system deoxidization index realizes the effective control of deoxidization index and the less energy-conserving operation of exhausting outside the equipment deoxidization, guarantees long period steady operation, has huge benefit to enterprise's safety in production and energy-saving control system.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic structural view of a boiler water tank with a high-efficiency deaerator of the present invention;
fig. 2 is the utility model discloses a take oxygen-eliminating device tower inner structure schematic diagram of boiler water tank of high-efficient oxygen-eliminating device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
Example one
As shown in the attached drawing 1, the boiler water tank of high-efficient oxygen-eliminating device in area of this embodiment, including boiler water tank 1, boiler water tank 1 on be connected with oxygen-eliminating device tower 2, oxygen-eliminating device tower 2 include casing 21, casing 21 top set up catch water 4, casing 21 in upper portion set up one-level deoxidization subassembly 22, casing 21 in the lower part set up second grade deoxidization subassembly 23, one-level deoxidization subassembly 22 and second grade deoxidization subassembly 23 between set up water film skirt room 24, water film skirt room 24 in set up highly with hydrophobic injection pipe (not shown), the casing of water film skirt room 24 one side on set up manhole 25.
As shown in fig. 2, the primary oxygen removing assembly 22 of this embodiment includes a partition 221, a spiral membrane pipe set 222 is disposed in the casing 21 below the partition 221, the spiral membrane pipe set 222 is connected to an external water pipe through a water inlet 223 on the casing 21, the spiral membrane pipe set includes 61 spiral membrane pipes, the size of each spiral membrane pipe is 133mm × 4.5mm, and the water inlet is a hole with a size of phi 5.5mm × 111mm. A steam buffer is arranged in the film rotating pipe.
The secondary oxygen removing assembly 23 of the present embodiment comprises a filler supporting grid plate 231 and a filler grid plate 232 arranged above the filler supporting grid plate 231, wherein a 304 pall ring filler 233 is arranged between the filler supporting grid plate 231 and the filler grid plate 232.
A reboiling pipe is arranged in the boiler water tank 1 of the embodiment, and steam boiled by the reboiling pipe in the boiler water tank enters the deaerator tower 2 through the steam distribution pipe 3.
In this embodiment, the external dimensions of the deaerator tower are as follows: phi 3400X phi 2224X 12100X 7657X 12X 14mm, a deoxygenation head phi 2224X 3900X 12mm, a water tank phi 3400X 12100X 14mm, equipment material 20R and equipment weight 21.5t.
The heating steam enters the lower part of the deaerator tower 2 through the steam distribution pipe 3, then sequentially passes through the filler supporting grid plate 231, the filler 233, the filler grid plate 232, the water film skirt chamber 24 and the spiral film pipe group 222, and continuously exchanges heat with the condensed water which forms a spiral film through the spiral film pipe, so as to achieve the purposes of heat transfer, mass transfer and separation of various gases in the inlet water. The residual steam is discharged from the top of the oxygen removing tower along with various gases separated out through the steam-water separator 22.
The two-group deoxygenation assembly in the embodiment can be designed to be assembled, and the grate group and the filler group can be taken out in sequence through a manhole for inspection, repair and replacement when necessary. The top of the deoxidizing tower is provided with a steam-water separator which does not need a cooler and can be integrally detached from the top for inspection and repair.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (5)
1. The utility model provides a take boiler water tank of high-efficient oxygen-eliminating device, includes boiler water tank, boiler water tank on be connected with the oxygen-eliminating device tower, a serial communication port, the oxygen-eliminating device tower include the casing, the casing top set up catch water, the casing in upper portion set up one-level deoxidization subassembly, the casing in the lower part set up second grade deoxidization subassembly, one-level deoxidization subassembly and second grade deoxidization subassembly between set up water film skirt room, water film skirt indoor set up highly with hydrophobic injection pipe, the casing of water film skirt room one side on set up the manhole.
2. The boiler water tank with the high-efficiency deaerator as claimed in claim 1, wherein the primary deaerator assembly comprises a partition plate, a cyclone membrane pipe group is arranged in the shell below the partition plate and connected with an external water pipe through a water inlet hole in the shell, the cyclone membrane pipe group comprises 61 cyclone membrane pipes, the size of each cyclone membrane pipe is 133mm + phi 4.5mm, and the water inlet hole is phi 5.5mm + 11mm.
3. The boiler water tank with the high-efficiency deaerator as claimed in claim 1, wherein the secondary deaerator component comprises a filler support grid plate and a filler grid plate arranged above the filler support grid plate, and 304 pall ring fillers are arranged between the filler support grid plate and the filler grid plate.
4. The boiler water tank with the efficient deaerator as claimed in claim 1, wherein a reboiling pipe is arranged in the boiler water tank, and steam which is boiled by the reboiling pipe in the boiler water tank enters the deaerator tower through a steam distribution pipe.
5. The boiler water tank with the high-efficiency deaerator as claimed in claim 2, characterized in that a steam buffer is arranged in the spiral membrane pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002206.7U CN218442243U (en) | 2022-11-10 | 2022-11-10 | Boiler water tank with efficient deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223002206.7U CN218442243U (en) | 2022-11-10 | 2022-11-10 | Boiler water tank with efficient deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218442243U true CN218442243U (en) | 2023-02-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223002206.7U Active CN218442243U (en) | 2022-11-10 | 2022-11-10 | Boiler water tank with efficient deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218442243U (en) |
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2022
- 2022-11-10 CN CN202223002206.7U patent/CN218442243U/en active Active
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