CN214791061U - Ultra-low discharge deaerator - Google Patents
Ultra-low discharge deaerator Download PDFInfo
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- CN214791061U CN214791061U CN202120549434.2U CN202120549434U CN214791061U CN 214791061 U CN214791061 U CN 214791061U CN 202120549434 U CN202120549434 U CN 202120549434U CN 214791061 U CN214791061 U CN 214791061U
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Abstract
The utility model discloses an ultra-low emission oxygen-eliminating device, the current oxygen-eliminating device installation that mainly exists among the solution prior art is complicated, wastes time and energy, and the energy consumption of oxygen-eliminating device loss is great, extravagant more energy, violates the problem of energy-conserving principle. The ultra-low discharge deaerator comprises a deaerating water tank and a deaerating tower which are connected with each other; an ultralow steam exhaust device is arranged at the joint of the deoxygenation water tank and the deoxygenation tower, and comprises a steam ascending pipe, a negative pressure pipe and an upper pipe which are sequentially connected; the steam ascending pipe is positioned in the deoxygenation water tank, the negative pressure pipe is positioned at the joint of the deoxygenation water tank and the deoxygenation tower, and the upper pipe is positioned in the deoxygenation tower; the deoxidizing water tank is connected with the deoxidizing tower through a wedge-shaped connecting piece. By the proposal, the utility model discloses reached the simple and less purpose of practicing thrift the energy consumption of discharge amount of installation.
Description
Technical Field
The utility model belongs to the technical field of deoxidization equipment for the boiler and specifically relates to a ultralow emission oxygen-eliminating device is related to.
Background
The deaerator is one of key devices of a boiler and a heating system, for example, the deaerator has poor deaerating capacity, serious loss caused by corrosion to a water supply pipeline of the boiler, a coal economizer and other accessory devices can be caused, the caused economic loss is dozens or hundreds of times of the manufacturing cost of the deaerator, and therefore, the national power department puts forward partial standards on the oxygen content of the deaerator, namely the oxygen content of the atmospheric deaerator water supply is less than 15 mu and the oxygen content of the pressure deaerator water supply is less than 7 mu/L.
The existing deaerator comprises a deaerating water tank and a deaerating tower which are connected with each other through flanges, the deaerating water tank and the deaerating tower are large-scale equipment, the deaerating water tank is horizontally and transversely provided with the deaerating tower and is vertically arranged on the deaerating water tank, the deaerating water tank and the deaerating tower are installed through flanges, bolts need to be installed on the flange holes of the deaerating water tank and the deaerating tower correspondingly, and the installation process is relatively complex for large-scale installation equipment and wastes time and labor; the existing deaerator discharges non-condensable oxygen and partial water vapor with large discharge amount, so that the deaerator loses large energy consumption, wastes more energy and violates the energy-saving principle.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an ultra-low emission oxygen-eliminating device to it is complicated to solve the installation of current oxygen-eliminating device, wastes time and energy, and the energy consumption of oxygen-eliminating device loss is great, extravagant more energy, violates the problem of energy-conserving principle.
In order to solve the above problem, the utility model provides a following technical scheme:
an ultra-low discharge deaerator comprises a deaerating water tank and a deaerating tower which are connected with each other; an ultralow steam exhaust device is arranged at the joint of the deoxygenation water tank and the deoxygenation tower, and comprises a steam ascending pipe, a negative pressure pipe and an upper pipe which are sequentially connected; the steam ascending pipe is positioned in the deoxidizing water tank, the negative pressure pipe is positioned at the joint of the deoxidizing water tank and the deoxidizing tower, and the upper pipe is positioned in the deoxidizing tower.
Steam and the noncondensable oxygen of deoxidization water tank upwards get into steam tedge, and the high pressure water spray gets into the upper tube downwards, and steam and noncondensable oxygen meet at the negative pressure pipe with the high pressure water spray and form negative pressure zone, and steam and noncondensable oxygen are in the high pressure water spray at the negative pressure pipe and meet the steam that has degraded wherein, have reduced the outer discharge of steam, have practiced thrift the energy consumption of oxygen-eliminating device.
Further, steam and uncondensed oxygen of the deaerating water tank upwards enter the steam ascending pipe, high-pressure water spray is arranged in the deaerating tower, and the high-pressure water spray downwards enters the upper pipe; the steam and the uncondensed oxygen meet the high-pressure water spray at the negative pressure pipe to form a negative pressure area.
Furthermore, the diameters of the two ends of the steam ascending pipe are unequal, the large-diameter end of the steam ascending pipe is positioned in the deoxidizing water tank, and the small-diameter end of the steam ascending pipe is communicated with the negative pressure pipe; more steam and uncondensed oxygen can rapidly enter the deaerator.
Further, the ultra-low emission deaerator also comprises a first vapor-liquid separation net, a second vapor-liquid separation net and a third vapor-liquid separation net which are all arranged in the vapor ascending pipe; the first vapor-liquid separation net is connected with the inner wall of the vapor ascending pipe, after the second vapor-liquid separation net and the third vapor-liquid separation net are crossed, the upper ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the bottom of the first vapor-liquid separation net, the lower ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the inner side of the large-diameter end of the vapor ascending pipe, and the lower ends of the second vapor-liquid separation net and the third vapor-liquid separation net face each other; steam and noncondensable oxygen pass through first vapour-liquid separation net behind second vapour-liquid separation net and the third vapour-liquid separation net of intercrossing, then get into the negative pressure pipe and meet with the high-pressure water spray, have reduced the ascending volume of steam, reduce more steam and liquid and have been taken out, have practiced thrift the energy consumption.
Furthermore, the diameters of the two ends of the upper pipe are unequal, the large-diameter end of the upper pipe is positioned in the deaerating tower, and the small-diameter end of the upper pipe is communicated with the negative pressure pipe; the diameters of the two ends of the negative pressure pipe are equal; allowing more high pressure water spray to enter the upper tube.
Furthermore, the diameter of the upper pipe end in the deaerating tower is smaller than that of the steam ascending pipe end in the deaerating water tank; the discharge amount of water vapor is reduced by reasonable high-pressure water, and the waste of water sources is reduced.
Further, a connecting piece is fixed on the deoxidizing water tank; the inner wall of the connecting piece is an inclined plane, and the diameter of the bottom in the connecting piece is smaller than that of the top in the connecting piece to form wedge-shaped connection; the bottom end of the oxygen removing tower is an inclined plane matched with the inclined plane type inner wall of the connecting piece, and the oxygen removing tower is welded at the connecting part after being connected with the oxygen removing water tank through the connecting piece; after installing the deoxidization water tank during the installation, hoist the deoxidization tower and put into the connecting piece with it, then can accomplish the installation in the junction welding, this process does not need the flange to aim at, also need not to install more bolts, makes deoxidization tower and deoxidization water tank connect closely reliably through wedge type connecting piece and welding, and the installation is simple reliable, labour saving and time saving.
Further, a self-tightening sealing gasket is arranged at the bottom in the connecting piece; increase the compact type that deoxidization tower and deoxidization water tank are connected, it is inseparabler that self-tightening formula seal gasket makes deoxidization tower and deoxidization water tank connect under the effect of deoxidization tower gravity.
Further, a steam uniform distribution net, a pall ring packing layer and a high-pressure spray pipe are sequentially arranged in the deaerating tower above the upper pipe; the outer wall of the deaerator is provided with a water inlet pipe which is communicated with the high-pressure spray pipe.
Furthermore, a film remover is arranged in the deaerating tower above the high-pressure spray pipe.
Compared with the prior art, the utility model discloses following beneficial effect has:
(1) the utility model discloses in the steam of well deoxidization water tank and the oxygen that does not congeal upwards get into steam tedge, high-pressure water spray gets into the top tube downwards, steam and oxygen that does not congeal meet at the negative pressure pipe with high-pressure water spray and form the negative pressure zone with high-pressure water spray, steam and oxygen that does not congeal meet the steam that has degraded wherein at the negative pressure pipe in high-pressure water spray, have reduced the outer discharge of steam, have practiced thrift the energy consumption of oxygen-eliminating device.
(2) The utility model discloses well steam passes through first vapour-liquid separation net with not congealing behind the oxygen through intercrossing's second vapour-liquid separation net and third vapour-liquid separation net, then gets into the negative pressure pipe and meet with the high-pressure water spray, has reduced the rise of steam, reduces more steam and liquid and is taken out, has practiced thrift the energy consumption.
(3) The utility model discloses after installing the deoxidization water tank during the installation, hoist the oxygen-eliminating tower and put into the connecting piece with it, then can accomplish the installation in the junction welding, this process does not need the flange to aim at, also need not to install more bolts, makes oxygen-eliminating tower and deoxidization water tank connect closely reliably through wedge type connecting piece and welding, and the installation is simple reliable, labour saving and time saving.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic structural diagram of an ultra-low steam exhaust device.
In the drawings, the names of the parts corresponding to the reference numerals are as follows:
the method comprises the following steps of 1-a deoxygenation water tank, 2-a deoxygenation tower, 3-an ultra-low steam exhaust device, 4-a steam ascending pipe, 5-a negative pressure pipe, 6-an upper pipe, 7-a first steam-liquid separation net, 8-a second steam-liquid separation net, 9-a third steam-liquid separation net, 10-a connecting piece, 11-a self-tightening type sealing gasket, 12-a steam uniformly-distributing net, 13-a water inlet pipe, 14-a high-pressure spray pipe, 15-a membrane opener and 16-a pall ring packing layer.
Detailed Description
The present invention will be further described with reference to the following drawings and examples, and embodiments of the present invention include, but are not limited to, the following examples.
Example 1
As shown in fig. 1 and 2, an ultra-low discharge deaerator includes a deaerating water tank 1 and a deaerating tower 2 connected to each other; an ultra-low steam exhaust device 3 is arranged at the joint of the deoxygenation water tank 1 and the deoxygenation tower 2, and comprises a steam ascending pipe 4, a negative pressure pipe 5 and an upper pipe 6 which are sequentially connected; the steam ascending pipe 4 is positioned in the deoxygenation water tank 1, the negative pressure pipe 5 is positioned at the joint of the deoxygenation water tank 1 and the deoxygenation tower 2, and the upper pipe 6 is positioned in the deoxygenation tower 2; steam and uncondensed oxygen in the deaerating water tank 1 upwards enter a steam ascending pipe 4, high-pressure water spray is arranged in the deaerating tower 2, and the high-pressure water spray downwards enters an upper pipe 6; the steam and the uncondensed oxygen meet the high-pressure water spray at the negative pressure pipe 5 to form a negative pressure area; a steam uniformly-distributing net 12, a pall ring packing layer 16 and a high-pressure spray pipe 14 are sequentially arranged in the deaerator 2 above the upper pipe 6; a water inlet pipe 13 is arranged on the outer wall of the deaerating tower 2, and the water inlet pipe 13 is communicated with a high-pressure spray pipe 14; a film remover 15 is arranged in the deaerating tower 2 above the high-pressure spray pipe 14.
Steam and the noncondensable oxygen of deoxidization water tank 1 upwards get into steam tedge 4, and high pressure water spray gets into upper tube 6 downwards, and steam and noncondensable oxygen meet at negative pressure pipe 5 with high pressure water spray and form the negative pressure region, and steam and noncondensable oxygen meet the steam that has degraded wherein in negative pressure pipe 5 is in high pressure water spray, have reduced the outer discharge of steam, have practiced thrift the energy consumption of oxygen-eliminating device.
Example 2
As shown in fig. 1 and fig. 2, the present embodiment is different from embodiment 1 in that the diameters of both ends of a steam rising pipe 4 are not equal, the large diameter end of the steam rising pipe 4 is located in an oxygen removing water tank 1, and the small diameter end thereof is communicated with a negative pressure pipe 5; more steam and uncondensed oxygen rapidly enter the deaerator tower 2; the ultra-low emission deaerator also comprises a first vapor-liquid separation net 7, a second vapor-liquid separation net 8 and a third vapor-liquid separation net 9 which are all arranged in the vapor ascending pipe 4; the first vapor-liquid separation net 7 is connected with the inner wall of the vapor ascending pipe 4, after the second vapor-liquid separation net 8 and the third vapor-liquid separation net 9 are crossed, the upper ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the bottom of the first vapor-liquid separation net 7, the lower ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the inner side of the large-diameter end of the vapor ascending pipe 4, and the lower ends of the second vapor-liquid separation net and the third vapor-liquid separation net face each other; the steam and the uncondensed oxygen pass through the second steam-liquid separation net 8 and the third steam-liquid separation net 9 which are mutually crossed and then pass through the first steam-liquid separation net 7, then enter the negative pressure pipe 5 and meet with the high-pressure water spray, the rising amount of the steam is reduced, more steam and liquid are brought out, and the energy consumption is saved.
The diameters of the two ends of the upper pipe 6 are unequal, the large-diameter end of the upper pipe 6 is positioned in the deaerating tower 2, and the small-diameter end of the upper pipe is communicated with the negative pressure pipe 5; the diameters of the two ends of the negative pressure pipe 5 are equal; more high pressure water spray is made to enter the upper pipe 6; the diameter of the end of an upper pipe 6 positioned in the deaerating tower 2 is smaller than that of the end of a steam ascending pipe 4 positioned in the deaerating water tank 1; the discharge amount of water vapor is reduced by reasonable high-pressure water, and the waste of water sources is reduced.
Example 3
As shown in fig. 1 and fig. 2, the present embodiment is different from embodiment 1 in that a connector 10 is fixed to the deaerating water tank 1; the inner wall of the connecting piece 10 is an inclined plane, and the diameter of the bottom in the connecting piece 10 is smaller than that of the top in the connecting piece to form wedge-shaped connection; the bottom end of the oxygen-removing tower 2 is an inclined plane matched with the inclined plane type inner wall of the connecting piece 10, and the oxygen-removing tower 2 is welded at the connecting part after being connected with the oxygen-removing water tank 1 through the connecting piece 10; after installing deoxidization water tank 1 during the installation, hoist deoxidization tower 2 and put into its connecting piece 10, then can accomplish the installation in the junction welding, this process does not need the flange to aim at, also need not to install more bolts, connects and welds through the wedge type and makes deoxidization tower 2 and deoxidization water tank 1 connect closely reliably, and the installation is simple reliable, labour saving and time saving.
Example 4
As shown in fig. 1 and 2, the present embodiment is different from embodiment 1 in that a self-clinching seal gasket 11 is provided at the bottom in a connector 10; increase the compact type that oxygen-eliminating tower 2 and deoxidization water tank 1 are connected, make oxygen-eliminating tower 2 and deoxidization water tank 1 connect inseparabler under the effect of 2 gravity of oxygen-eliminating tower from compact seal gasket 11.
The principle of the utility model is that: steam and noncondensable oxygen in the deoxidization water tank 1 upwards get into steam tedge 4, high-pressure water spray in the deoxidization tower 2 downwards gets into upper tube 6, steam and noncondensable oxygen meet the steam that has degraded wherein at negative pressure pipe 5 with high-pressure water spray, then noncondensable oxygen and a small amount of steam loop through even cloth net 12 of steam, pall ring packing layer 16 and plays membrane ware 15, and noncondensable oxygen and few part steam pass through deoxidization tower 2 at last and discharge.
The utility model discloses after installing deoxidization water tank 1 during the installation, hoist deoxidization tower 2 and put into its connecting piece 10, then can accomplish the installation in the junction welding, the installation is simple reliable, labour saving and time saving.
According to the above embodiment, alright realize the utility model discloses well. It is worth to say that, on the premise of the above structural design, in order to solve the same technical problem, even if some insubstantial changes or retouching are made in the utility model, the essence of the adopted technical scheme is still the same as the utility model, so it should be in the protection scope of the utility model.
Claims (10)
1. The utility model provides an ultra-low emission oxygen-eliminating device, includes interconnect's deoxidization water tank (1) and oxygen-eliminating tower (2), its characterized in that: an ultra-low steam exhaust device (3) is arranged at the joint of the deoxygenation water tank (1) and the deoxygenation tower (2), and comprises a steam ascending pipe (4), a negative pressure pipe (5) and an upper pipe (6) which are sequentially connected; the steam ascending pipe (4) is positioned in the deoxidizing water tank (1), the negative pressure pipe (5) is positioned at the joint of the deoxidizing water tank (1) and the deoxidizing tower (2), and the upper pipe (6) is positioned in the deoxidizing tower (2).
2. The ultra-low emission oxygen scavenger of claim 1, wherein: steam and uncondensed oxygen in the deaerating water tank (1) upwards enter a steam ascending pipe (4), high-pressure water spray is arranged in the deaerating tower (2), and the high-pressure water spray downwards enters an upper pipe (6); the steam and the uncondensed oxygen meet the high-pressure water spray at the negative pressure pipe (5) to form a negative pressure area.
3. The ultra-low emission oxygen scavenger of claim 1, wherein: the diameters of the two ends of the steam ascending pipe (4) are not equal, the large-diameter end of the steam ascending pipe (4) is positioned in the deoxidizing water tank (1), and the small-diameter end of the steam ascending pipe is communicated with the negative pressure pipe (5).
4. The ultra-low emission oxygen scavenger of claim 3, wherein: the steam riser comprises a steam riser pipe (4), and is characterized by also comprising a first steam-liquid separation net (7), a second steam-liquid separation net (8) and a third steam-liquid separation net (9) which are all arranged in the steam riser pipe (4); the first vapor-liquid separation net (7) is connected with the inner wall of the vapor ascending pipe (4), after the second vapor-liquid separation net (8) and the third vapor-liquid separation net (9) are crossed, the upper ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the bottom of the first vapor-liquid separation net (7), the lower ends of the second vapor-liquid separation net and the third vapor-liquid separation net are respectively connected with the inner side of the large-diameter end of the vapor ascending pipe (4), and the lower ends of the first vapor-liquid separation net and the third vapor-liquid separation net face each other.
5. The ultra-low emission oxygen scavenger of claim 1, wherein: the diameters of the two ends of the upper pipe (6) are unequal, the large-diameter end of the upper pipe (6) is positioned in the deaerating tower (2), and the small-diameter end of the upper pipe is communicated with the negative pressure pipe (5); the diameters of the two ends of the negative pressure pipe (5) are equal.
6. The ultra-low emission oxygen scavenger of claim 1, wherein: the diameter of the end of an upper pipe (6) positioned in the deaerating tower (2) is smaller than that of the end of a steam ascending pipe (4) positioned in the deaerating water tank (1).
7. The ultra-low emission oxygen scavenger of any one of claims 1-6, wherein: a connecting piece (10) is fixed on the deoxidizing water tank (1); the inner wall of the connecting piece (10) is an inclined plane, and the diameter of the bottom in the connecting piece (10) is smaller than that of the top in the connecting piece to form wedge-shaped connection; the bottom of the oxygen-eliminating tower (2) is an inclined plane matched with the inclined plane type inner wall of the connecting piece (10), and the oxygen-eliminating tower (2) is welded at the joint after being connected with the oxygen-eliminating water tank (1) through the connecting piece (10).
8. The ultra-low emission oxygen scavenger of claim 7, wherein: the bottom in the connecting piece (10) is provided with a self-tightening sealing gasket (11).
9. The ultra-low emission oxygen remover of claim 8, wherein: a steam uniformly-distributing net (12), a pall ring packing layer (16) and a high-pressure spray pipe (14) are sequentially arranged in the oxygen eliminating tower (2) above the upper pipe (6); a water inlet pipe (13) is arranged on the outer wall of the deaerating tower (2), and the water inlet pipe (13) is communicated with a high-pressure spray pipe (14).
10. The ultra-low emission oxygen remover of claim 9, wherein: a film opener (15) is arranged in the deaerating tower (2) above the high-pressure spray pipe (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549434.2U CN214791061U (en) | 2021-03-17 | 2021-03-17 | Ultra-low discharge deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120549434.2U CN214791061U (en) | 2021-03-17 | 2021-03-17 | Ultra-low discharge deaerator |
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| Publication Number | Publication Date |
|---|---|
| CN214791061U true CN214791061U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120549434.2U Active CN214791061U (en) | 2021-03-17 | 2021-03-17 | Ultra-low discharge deaerator |
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| Country | Link |
|---|---|
| CN (1) | CN214791061U (en) |
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2021
- 2021-03-17 CN CN202120549434.2U patent/CN214791061U/en active Active
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