CN210291837U - Efficient membrane type deoxygenation system - Google Patents
Efficient membrane type deoxygenation system Download PDFInfo
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- CN210291837U CN210291837U CN201920997023.2U CN201920997023U CN210291837U CN 210291837 U CN210291837 U CN 210291837U CN 201920997023 U CN201920997023 U CN 201920997023U CN 210291837 U CN210291837 U CN 210291837U
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- deoxidization
- membrane
- deoxygenation
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- 239000012528 membrane Substances 0.000 title claims abstract description 47
- 238000006392 deoxygenation reaction Methods 0.000 title claims description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 145
- 238000010438 heat treatment Methods 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 5
- 239000000945 filler Substances 0.000 claims description 49
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 24
- 239000001301 oxygen Substances 0.000 claims description 24
- 229910052760 oxygen Inorganic materials 0.000 claims description 24
- 238000005338 heat storage Methods 0.000 claims description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000630 rising effect Effects 0.000 claims description 5
- 238000005070 sampling Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 230000001502 supplementing effect Effects 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000013461 design Methods 0.000 abstract description 2
- 239000013589 supplement Substances 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000009827 uniform distribution Methods 0.000 description 1
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- Degasification And Air Bubble Elimination (AREA)
- Physical Water Treatments (AREA)
Abstract
The utility model belongs to the technical field of boiler, heating system accessory are used, specifically disclose high-efficient diaphragm type deoxidization system, by the deoxidization water tank, reach the deoxidization tower head subassembly that uses with the deoxidization water tank cooperatees and constitute. The utility model discloses a high-efficient diaphragm type deoxidization system's beneficial effect lies in: 1. the design structure is reasonable, and the installation and the maintenance are convenient; 2. during working, water is always in a turbulent flow state and has a large enough heat exchange surface area, so that the heat and mass transfer effect is better, the steam exhaust amount is small (namely the steam amount used and heated is small, and the economic benefit brought by small energy loss is also considerable), the deoxidization effect is good, the generated rich margin can enable the membrane type deoxidization equipment to run in an overload mode (usually 50% of the rated output can be exceeded in a short period) or reach the running standard under the condition of full water supplement at low water temperature, and the deoxidization operation process is safe and reliable.
Description
Technical Field
The utility model belongs to the technical field of boiler, heating system accessory are used, concretely relates to high-efficient diaphragm type deoxidization system.
Background
The principle of membrane type deoxygenation is that the water is sprayed out spirally through a membrane-removing pipe at a certain angle to perform heat exchange with heating steam to remove oxygen, the feed water is heated to the saturation temperature corresponding to the working pressure of the membrane type deoxygenation equipment, oxygen and other gases dissolved in the feed water are removed, and the corrosion of a boiler feed pipe, an economizer and other accessory equipment is prevented and reduced.
The oxygen content of the membrane type oxygen removal equipment is less than 15 ц Ag/L, and the oxygen content of the water supply of the pressure type oxygen removal membrane type equipment is less than 7 ц Ag/L.
However, the existing membrane type oxygen removing structure for the steam turbine has poor membrane removing and oxygen removing effects, is inconvenient to assemble and maintain, and the like, and cannot meet the high-standard use requirements of the existing boiler, heating system and the like, which is needed to be solved at present.
Accordingly, in view of the above, the present invention provides a high efficiency membrane type deoxygenation system.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model aims at providing a high-efficient diaphragm type deoxidization system, its project organization is reasonable, be convenient for installation and maintenance, deoxidization operation process safety, reliable.
The technical scheme is as follows: the utility model provides a high-efficiency membrane type deoxidizing system, which consists of a deoxidizing water tank and a deoxidizing tower head component matched with the deoxidizing water tank; the bottom surface of the deoxygenation water tank is provided with supporting legs, a first manhole arranged at one end of the deoxygenation water tank, a safety valve interface, a first box body communicating pipe, a water feeding pump recirculation interface, a steam balance interface, a reboiling device interface, a water balance interface, a water outlet, a sampling interface, a water outlet and a manual water outlet which are arranged on the outer wall of the top surface of the deoxygenation water tank, and a high water level water outlet, a thermometer interface, a pressure gauge pressure signal interface, a group of balance container interfaces and a group of water level gauge interfaces which are arranged on the side wall of the deoxygenation water tank; the deaerator column head component comprises a vertical shell arranged on a deaerator water tank, a second manhole, a second box communicating pipe, an overhead drain pipe, a condensed water inlet, a steam exhaust port, a make-up water inlet, a heating steam interface and a standby port which are arranged on the outer wall of the vertical shell, a film opener, a water grate layer and a filler heat storage filler liquid-steam net which are arranged in the vertical shell, and a filler layer arranged in the filler heat storage filler liquid-steam net.
According to the technical scheme, the film lifting device is located above the second manhole, the water grate layer and the filler heat storage filler liquid-vapor net are located below the second manhole, and the water grate layer is installed above the filler heat storage filler liquid-vapor net.
According to the technical scheme, the membrane lifting device is composed of a water chamber, a steam chamber, a spiral membrane pipe, a condensed water connecting pipe, a water supplementing connecting pipe and a primary steam inlet connecting pipe, condensed water, chemical water supplementing are sprayed out in a spiral shape at a certain angle through the spiral membrane pipe group to form a water membrane skirt, heat exchange is carried out on the condensed water and heating steam introduced by the primary heating steam connecting pipe to form primary deoxygenation, water supply is heated to a temperature close to the saturation temperature of a membrane deoxygenation system under the working pressure through the contact of a water grate layer and rising secondary heating steam, namely the temperature is 2-3 ℃ lower than the saturation temperature, coarse deoxygenation is carried out, and 90% -95% of the oxygen content in the water supply can be removed through.
According to the technical scheme, the water grate layer is made of a plurality of layers of angular steel which are arranged in a staggered mode, water supply with oxygen removed through the rotary membrane section is subjected to secondary distribution, and the water supply falls onto a filler heat storage filler liquid-steam net arranged below the water grate layer in an even rain-drenching mode.
According to the technical scheme, the filler heat storage filler liquid steam net is composed of flat steel belts and a cylinder body which are arranged at intervals, a specially-made stainless steel wire net with a certain height is arranged in the filler heat storage filler liquid steam net, feed water is fully contacted with secondary steam through the filler heat storage filler liquid steam net, the feed water is heated to a saturation temperature, deep deoxygenation is carried out, a low-pressure atmospheric film type deoxygenator is lower than 10ug/L, and a high-pressure film type deoxygenator is lower than 5 ug/L.
According to the technical scheme, the interface of the reboiling device of the deoxygenation water tank is connected with the powerful heat exchange reboiling device, so that the water temperature is rapidly improved, the deoxygenation is deeply performed, the vibration of the water tank is reduced, and the mouth sound is reduced.
Compared with the prior art, the utility model discloses a high-efficient diaphragm type deoxidization system's beneficial effect lies in: 1. the design structure is reasonable, and the installation and the maintenance are convenient; 2. during working, water is always in a turbulent flow state and has a large enough heat exchange surface area, so that the heat and mass transfer effect is better, the steam exhaust amount is small (namely the steam amount used and heated is small, and the economic benefit brought by small energy loss is also considerable), the deoxidization effect is good, the generated rich margin can enable the membrane type deoxidization equipment to run in an overload mode (usually 50% of the rated output can be exceeded in a short period) or reach the running standard under the condition of full water supplement at low water temperature, and the deoxidization operation process is safe and reliable.
Drawings
FIG. 1 is a schematic diagram of the high efficiency membrane deoxygenation system of the present invention in a front view;
fig. 2 is a schematic view of the structure of the high efficiency membrane type oxygen removal system of the present invention from view a.
Detailed Description
The invention will be further elucidated with reference to the drawings and the specific embodiments.
Examples
The efficient membrane type deoxygenation system shown in fig. 1 and fig. 2 is composed of a deoxygenation water tank 1 and a deoxygenation tower head assembly matched with the deoxygenation water tank 1 for use; the bottom surface of the deoxygenation water tank 1 is provided with supporting legs 3, a first manhole 5 arranged at one end of the deoxygenation water tank 1, a safety valve interface 6, a first tank communicating pipe 7, a feed pump recirculation interface 9, a steam balance interface 15, a reboiling device interface 16, a water balance interface 17, a water outlet 18, a sampling interface 19, a water drain port 23 and a manual water drain port 26, which are arranged on the outer wall of the top surface of the deoxygenation water tank 1, and a high water level water outlet 20, a thermometer interface 21, a pressure gauge pressure signal interface 22, a group of balance container interfaces 24 and a group of water level gauge interfaces 25 which are arranged on the side wall of the deoxygenation water tank 1; the deaerator column head component comprises a vertical shell 2 installed on a deaerator water tank 1, a second manhole 4, a second box body communicating pipe 8, an overhead drain pipe 10, a condensed water inlet 11, a steam exhaust port 12, a make-up water inlet 13, a heating steam interface 14, a standby port 31, a membrane lifting device 27, a water grid layer 28, a filler heat storage filler liquid-steam net 30 and a filler layer 29, wherein the second manhole 4, the second box body communicating pipe 8, the overhead drain pipe 10, the condensed water inlet 11, the steam exhaust port 12, the make-up water inlet 13, the heating steam interface 14 and the standby port 31 are arranged on the outer wall of the vertical.
Further preferably, the film lifter 27 is positioned above the second manhole 4, the water grate layer 28 and the filler heat storage filler liquid-vapor net 30 are positioned below the second manhole 4, and the water grate layer 28 is installed above the filler heat storage filler liquid-vapor net 30; and the membrane lifter 27 is composed of a water chamber, a steam chamber, a spiral membrane pipe, a condensed water connecting pipe, a make-up water connecting pipe and a primary steam inlet connecting pipe, the condensed water and the chemical make-up water are sprayed out in a spiral shape at a certain angle through the spiral membrane pipe group to form a water membrane skirt, and exchange heat with the heating steam introduced by the primary heating steam connecting pipe to form primary deoxygenation, the feed water is contacted with the rising secondary heating steam through the water grate layer 28 and heated to be close to the saturation temperature under the working pressure of the membrane deoxygenation system, namely lower than the saturation temperature by 2-3 ℃, and is subjected to coarse deoxygenation, and 90-95% of the oxygen content in the feed water can be removed through the spiral membrane; the water grate layer 28 is made of a plurality of layers of angular steel which are arranged in a staggered way, the supplied water which is roughly deoxidized by the rotary membrane section is distributed for the second time, and falls on the filler heat storage filler liquid-steam net 30 arranged below the water grate layer in a uniform rain-drenching way; the filler heat storage filler liquid-vapor net 30 consists of flat steel belts and a cylinder which are mutually spaced, a specially-made stainless steel wire net with a certain height is arranged in the filler heat storage filler liquid-vapor net 30, feed water is fully contacted with secondary steam through the filler heat storage filler liquid-vapor net 30, the feed water is heated to a saturation temperature, and deep deoxygenation is carried out, the low-pressure atmospheric film type deoxygenator is lower than 10ug/L, and the high-pressure film type deoxygenator is lower than 5 ug/L; and the reboiling device interface 16 of the deoxygenation water tank is connected with a powerful heat exchange reboiling device, so that the water temperature is rapidly increased, deoxygenation is deeply performed, the vibration of the water tank is reduced, and the mouth sound is reduced.
The high-efficiency membrane type deoxygenation system with the structure comprises a water chamber 27 of a vertical shell 2, condensed water and make-up water firstly enter a membrane lifter, and are sprayed to an inner hole from a small hole of a membrane tube in a rotating mode under a certain water level difference to form a jet flow, the inner hole is filled with rising heating steam, a large amount of heating steam is sucked and rolled in the jet flow motion (experiments prove that the jet flow motion has a rolling effect), a violent mixed heating effect is generated on a very short stroke, the water temperature is greatly improved, the rotating water continuously rotates along the inner hole wall of the membrane tube to form a rolling water membrane skirt, the critical Reynolds number of the water in the rotating flow process is greatly reduced to generate turbulence, the water in a turbulent flow state has the most ideal heat and mass transfer effect, the water temperature reaches a saturation temperature, then the oxygen is separated, the oxygen cannot be randomly diffused in the inner hole, only the rising steam is discharged to the atmosphere from a steam exhaust tube (although the water is heated by an old membrane type deoxygenation device, the oxygen content is larger than that the oxygen is brought into the water tank caused by the downflow-pressure difference, and the oxygen removal effect is finally discharged into the water tank through a low-pressure rain water drainage section 351-84, and the water drainage section, and the water is uniformly distributed on a drainage network, and the water drainage depth is uniform distribution part, and the water drainage depth is increased.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications can be made without departing from the principle of the present invention, and these modifications should also be regarded as the protection scope of the present invention.
Claims (6)
1. High-efficient diaphragm type deoxidization system, its characterized in that: the device consists of a deoxidizing water tank (1) and a deoxidizing tower head component matched with the deoxidizing water tank (1); the bottom surface of the deoxygenation water tank (1) is provided with supporting legs (3), a first manhole (5) arranged at one end of the deoxygenation water tank (1), a safety valve interface (6) arranged on the outer wall of the top surface of the deoxygenation water tank (1), a first tank body communicating pipe (7), a water feeding pump recirculation interface (9), a steam balance interface (15), a reboiling device interface (16), a water balance interface (17), a water outlet (18), a sampling interface (19), a water outlet (23), a manual water outlet (26) arranged on the outer wall of the top surface of the deoxygenation water tank (1), and a high water level water outlet (20), a thermometer interface (21), a pressure gauge pressure signal interface (22), a group of balance container interfaces (24) and a group of water level gauge interfaces (25) arranged on the side wall of the deoxygenation water tank; the deaerator column head component comprises a vertical shell (2) installed on a deaerator water tank (1), a second manhole (4) arranged on the outer wall of the vertical shell (2), a second box body communicating pipe (8), an overhead drain pipe (10), a condensed water inlet (11), a steam exhaust port (12), a make-up water inlet (13), a heating steam interface (14), a standby port (31), a membrane opener (27) arranged in the vertical shell (2), a water grid layer (28), a filler heat storage filler liquid-steam net (30) and a filler layer (29) arranged in the filler heat storage filler liquid-steam net (30).
2. The high efficiency membrane oxygen removal system of claim 1 wherein: the film lifting device (27) is located above the second manhole (4), the water grate layer (28) and the filler heat storage filler liquid-vapor net (30) are located below the second manhole (4), and the water grate layer (28) is installed above the filler heat storage filler liquid-vapor net (30).
3. The high efficiency membrane oxygen removal system of claim 1 or 2, wherein: the membrane lifting device (27) consists of a water chamber, a steam chamber, a rotary membrane pipe, a condensed water connecting pipe, a water supplementing connecting pipe and a primary steam inlet connecting pipe, condensed water and chemical water are sprayed out in a spiral shape at a certain angle through the rotary membrane pipe group to form a water membrane skirt, and heat exchange is carried out on the condensed water and heating steam introduced by the primary heating steam connecting pipe to form primary deoxygenation, feed water is contacted with rising secondary heating steam through a water grate layer (28) and is heated to a temperature close to the saturation temperature of the membrane deoxygenation system under the working pressure, namely, the temperature is 2-3 ℃ lower than the saturation temperature, crude deoxygenation is carried out, and 90-95% of the oxygen content in the feed water can be removed through the.
4. The high efficiency membrane oxygen removal system of claim 1 or 2, wherein: the water grate layer (28) is made of a plurality of layers of angular steel which are arranged in a staggered mode, water supply which is subjected to coarse oxygen removal through a rotary membrane section is subjected to secondary distribution, and the water supply falls onto a filler heat storage filler liquid-steam net (30) arranged below the water grate layer in a uniform rain-drenching mode.
5. The high efficiency membrane oxygen removal system of claim 1 or 2, wherein: the filler heat storage filler liquid-steam net (30) is composed of flat steel belts and a cylinder body which are arranged at intervals, a specially-made stainless steel wire net with a certain height is arranged in the filler heat storage filler liquid-steam net (30), feed water is fully contacted with secondary steam through the filler heat storage filler liquid-steam net (30), the secondary steam is heated to a saturation temperature, and deep deoxidization is carried out, wherein a low-pressure atmospheric film type deaerator is lower than 10ug/L, and a high-pressure film type deaerator is lower than 5 ug/L.
6. The high efficiency membrane oxygen removal system of claim 1 wherein: the reboiling device interface (16) of deoxidization water tank is connected with powerful heat transfer reboiling device, powerful heat transfer, promote the temperature rapidly, degree of depth deoxidization, reduce the water tank vibration, reduce the accent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997023.2U CN210291837U (en) | 2019-06-28 | 2019-06-28 | Efficient membrane type deoxygenation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920997023.2U CN210291837U (en) | 2019-06-28 | 2019-06-28 | Efficient membrane type deoxygenation system |
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| CN210291837U true CN210291837U (en) | 2020-04-10 |
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| CN201920997023.2U Active CN210291837U (en) | 2019-06-28 | 2019-06-28 | Efficient membrane type deoxygenation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221708A (en) * | 2023-02-09 | 2023-06-06 | 连云港职业技术学院 | Rotating film type deaerator |
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2019
- 2019-06-28 CN CN201920997023.2U patent/CN210291837U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116221708A (en) * | 2023-02-09 | 2023-06-06 | 连云港职业技术学院 | Rotating film type deaerator |
| CN116221708B (en) * | 2023-02-09 | 2023-08-25 | 连云港职业技术学院 | Rotating film type deaerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High efficiency membrane deaeration system Effective date of registration: 20220125 Granted publication date: 20200410 Pledgee: Lianyungang financial holding Financing Guarantee Co.,Ltd. Pledgor: LIANYUNGANG LIDE POWER EQUIPMENT CO.,LTD. Registration number: Y2022980001096 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230209 Granted publication date: 20200410 Pledgee: Lianyungang financial holding Financing Guarantee Co.,Ltd. Pledgor: LIANYUNGANG LIDE POWER EQUIPMENT CO.,LTD. Registration number: Y2022980001096 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High-efficiency membrane deaeration system Effective date of registration: 20230210 Granted publication date: 20200410 Pledgee: Lianyungang financial holding Financing Guarantee Co.,Ltd. Pledgor: LIANYUNGANG LIDE POWER EQUIPMENT CO.,LTD. Registration number: Y2023980032480 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200410 Pledgee: Lianyungang financial holding Financing Guarantee Co.,Ltd. Pledgor: LIANYUNGANG LIDE POWER EQUIPMENT CO.,LTD. Registration number: Y2023980032480 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |