CN201280447Y - Circulating air lift deoxidization apparatus - Google Patents
Circulating air lift deoxidization apparatus Download PDFInfo
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- CN201280447Y CN201280447Y CNU200820133545XU CN200820133545U CN201280447Y CN 201280447 Y CN201280447 Y CN 201280447Y CN U200820133545X U CNU200820133545X U CN U200820133545XU CN 200820133545 U CN200820133545 U CN 200820133545U CN 201280447 Y CN201280447 Y CN 201280447Y
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Abstract
The utility model relates to a recycle gas-stripping deoxygenating device which mainly comprises a deoxygenating tower (1), a gas-stripping medium circulation loop and a medicament circulation loop, wherein, the deoxygenating tower mainly comprises a desorption tower (6) and an absorption tower (7) which are communicated; an input port (24) for water to be deoxygenated and a gas-stripping medium input port (25) are respectively formed at the upper end and the lower end of the desorption tower (6); and a medicament input port (22) and a medicament output port (21) are respectively formed at the upper end and the lower end of the absorption tower (7). A gas-stripping medium discharge port (23) is formed at the top end of the absorption tower (7), and a deoxygenated water discharge port (26) is formed at the bottom part of the desorption tower (6). The device integrates physical desorption and chemical reaction absorption, and the utility model has the advantages of high deoxygenating efficiency, low running cost, energy conservation, environmental protection and wide application range.
Description
Technical field
The utility model relates to a kind of water treating equipment that remove dissolved oxygen in the water body, is specifically related to a kind of circulation gas and carries device for deoxidizing.
Background technology
Water is the important substance resource among the human production activity, it is inconceivable as raw material or power that the modern industrialization mode of production does not have water, but natural any water source, its water-quality guideline can not reach the use water quality standard of full scale plant in most cases, therefore, must carry out water conditioning, deoxygenation is an important content of water treatment.
Any water body when contacting with atmospheric environment, the oxygen in will dissolved air, its solubleness meets the universal law of Henry's law.The purpose of water body deoxygenation is intended to solve water when using under hot conditions, wherein dissolved oxygen corrosion that equipment is caused.As everyone knows, the oxygen uptake corrosion is the principal mode of Corrosion Of Steel in the atmospheric environment, but with the isolated closed state of air under, dissolved oxygen in the water also can not be ignored the corrosion that equipment causes, particularly under the hot environment, oxygen uptake corrosion is even more serious, so industrial circle is an important control index of water treatment link to the dissolved oxygen content control of high temperature water.Existing " Industrial Boiler water quality " standard of China and " thermal power generation unit and apparatus of steam power plants steam quality standard " regulation: the boiler of work water temperature 〉=95 ℃, the reply oiler feed is carried out deoxygenation and is handled, wherein, low pressure boiler should be less than 0.1mg/L to the water management oxygen level, medium pressure boiler gives the water management oxygen level should be less than 0.05mg/L, and the above oiler feed of high pressure control oxygen level should be less than 0.007mg/L.Along with fired power generating unit to the developing rapidly of supercritical technology direction, will higher technological standard be proposed to the deoxygenation index of water treatment.
The deoxygenation technology of industrial circle employing at present can be summarized as physical desorption and chemical reaction dual mode, and wherein, physical desorption comprises thermal de-aeration and vacuum desorption deoxygenation; Chemical reaction comprises the redox reaction and the electrochemical reaction of resins exchange, medicament.
Traditional physical desorption method deoxygenation is medium with steam, and the vapor losses that the oxygen discharging causes is very big, and the intensification of de-salted water makes that also boiler consumable quantity of steam is very big, the decrease in efficiency of steaming; Can recommend matter as gas without steam though do the physical desorption of reductive agent with charcoal under the catalyst action or coke, but oxygen conversion is a carbonic acid gas by water absorb after, its corrosion to equipment is even more serious, and (corrosion of equipment is changed into the corrosion of carbonic acid gas sour gas by oxygen corrosion, the corrosion of carbonic acid gas comprises two kinds of chemical corrosion and galvanic corrosion, particularly the galvanic corrosion of carbonic acid gas has recyclability under aerobic conditions, carbonic acid gas does not consume in water system, its corrosion is more severe), can not fundamentally solve the problem of equipment corrosion.And the prerequisite of thermal de-aeration to be water must be in boiling state is not condensed to guarantee steam, so steam can be given full play to the effect that gas is recommended matter, its deoxygenation cost is too high.
The directly mode of dosing is taked in water in traditional chemical reaction deoxygenation, can cause water pollution on the one hand, and this under given conditions or even be not allowed to; On the other hand, adopt direct dosing method, the undercompounding of medicament and water can only take the abundant excessive way of medicament to guarantee oxygen removal efficiency usually, so just causes a large amount of wastes of medicament.
Practice shows, all there is applied defect to a certain degree in above-mentioned deoxygenation mode, all can realize the desired deoxygenation index of user and be subjected to widespread use although thermal de-aeration or chemical deoxidization be technical, but the deoxygenation cost is very high, be presented as that mainly boiler is very big from steam consumption or the medicament amount of coming into operation, the mode that power industry generally adopts thermal de-aeration to combine with chemical deoxidization reduces comprehensive deoxygenation cost.Vacuum analysis deoxygenation, resin deoxygenation and electrochemical deoxidization be not because of guaranteeing that effectively, reliably oxygen level is below 0.007mg/l, and this is the oxygen containing mandatory index of high-duty boiler control feedwater, therefore its range of application is limited to, use in the thermal power generation unit prematurity still that the boiler pressure grade is higher.
The utility model content
The technical problems to be solved in the utility model is at the above-mentioned deficiency of existing in prior technology, provides a kind of and can effectively improve oxygen removal efficiency and lower-cost de-aerator plant.
Solving technical scheme that the utility model technical problem adopted and be this circulation gas carries device for deoxidizing and comprises:
The deoxidation tower, comprise the desorption tower and the absorption tower that communicate in turn, the upper end of described desorption tower is provided with and remains the de-oxygenised water input aperture, its lower end is provided with gas and recommends the matter input aperture, the upper/lower terminal on described absorption tower is respectively arranged with medicament input aperture and medicament delivery port, the top on described absorption tower is provided with gas and recommends the matter relief outlet, and the bottom of desorption tower is provided with the de-oxygenised water relief outlet;
Impel gas to recommend matter and recommend the matter circulation loop at described deoxidation tower internal recycle mobile gas, its two ends are recommended the gentle matter relief outlet of recommending in matter input aperture with gas respectively and are connected, and described gas is recommended the matter circulation loop and also carried medium source with the gas of outside and be communicated with;
Impel liquid medicine at described absorption tower internal recycle mobile medicament circulation loop, its two ends are connected with the medicament delivery port with the medicament input aperture respectively, and described medicament circulation loop also is communicated with the liquid medicine source of outside.
Described gas is recommended the matter circulation loop can include circularly-supercharged machine, and its output terminal is recommended the matter input aperture with described gas and is connected, and input terminus is recommended the matter relief outlet with described gas and is connected.Gas is recommended matter and is relied on the circularly-supercharged machine that is located on the gas circulation loop at deoxidation tower internal recycle mobile power.
Described medicament circulation loop can include medicament basin and medicament recycle pump, the output terminal of described medicament basin is connected with the input terminus of described medicament recycle pump, described medicament circulation delivery side of pump is connected with described medicament input aperture, described medicament delivery port is connected with the input terminus of medicament basin, and the medicament basin also is communicated with the liquid medicine source of outside.Liquid medicine circulates in the absorption tower under the effect of medicament recycle pump.
The major equipment that the utility model circulation gas is carried device for deoxidizing is the deoxidation tower, this tower comprises desorption tower and absorption tower, capable of being combinedly be arranged to one (one is arranged on desorption tower and absorption tower, can be the lower semisection that desorption tower constitutes the deoxidation tower, and the absorption tower constitutes the upper semisection of deoxidation tower; Also can be the lower semisection that the absorption tower constitutes the deoxidation tower, desorption tower constitutes the upper semisection of deoxidation tower), desorption tower and absorption tower also can be provided with by the pipe connection split.Wherein, the effect of desorption tower is to realize that dissolved oxygen separates with the desorb of water body.In desorption tower, gas recommend matter with the gas of water body, liquid two-phase mass transfer process in, the oxygen partial pressure of recommending in the matter because of gas is extremely low, the water body dissolved oxygen is recommended in the matter to gas and is spread, and the rising of recommending matter along with gas separates with water body; The effect on absorption tower is that the chemical reaction of oxygen and medicament removes.In the absorption tower, absorb in the water body gas of dissolved oxygen and recommended matter, be that oxygen rich air is recommended matter and carried out in the process of mass transfer with the medicament aqueous solution, oxygen that it carries and the medicament generation chemical reaction in the solution, make the oxygen of free state change ionic condition into and enter liquid phase, reacted gas is recommended gas-phase space that matter rises to the top, absorption tower to be become oxygen deprivation gas and recommends matter, thereby the oxygen carrying capacity that makes gas recommend matter obtains regeneration.
Preferably, in described deoxidation tower, desorption tower and absorption tower are combined into one, and desorption tower constitutes the lower semisection of deoxidation tower, and the absorption tower constitutes the upper semisection of deoxidation tower.
All dispose filler assembly, gas distributor and liquid distributor in described desorption tower and the absorption tower, desorb and absorption process can fully be carried out.
Described deoxidation top of tower also disposes mist eliminator, described mist eliminator is located at gas and is recommended under the matter relief outlet to separate gas and recommend drop in the matter, reduces the erosion of gas band liquid (refer to gas recommend the band liquid phenomenon that matter and liquid medicine must form when separating) to circularly-supercharged machine.
Preferably, described desorption tower goes out tower water pump output terminal and treats and is provided with return line between the de-oxygenised water input aperture, and disposes valve on described return line, contains the oxygen index with effective control water outlet.
As the chemical agent of absorption agent must select for use with oxygen have good reactivity worth and the reaction do not produce sedimentary material, medicament and reaction product will be got well the solvability of water.
The matter of recommending gas in the utility model can adopt the rare gas element minimum to the solubleness of water, employing rare gas element replacement steam is recommended matter as gas and is recycled, as adopt helium, neon, argon etc., but consider that from the source and the acquisition cost aspect of gas the rare gas element preferred preparation is easy, the competent nitrogen of originating.The benefit that adopts nitrogen to recommend matter as gas is: 1. nitrogen does not need to provide specially, can obtain from air, so just makes that the application scenario of this device is very extensive, only needs air deoxygenation in the deoxidation tower to obtain; 2. nitrogen is minimum to the solubleness of water, and nitrogen does not corrode substantially to equipment.
Simultaneously, recommend mass-energy with nitrogen replacement steam as gas and enough save a large amount of heat energy losses, significantly improve the heat energy utilization level of full scale plant; On the contrary with thermal de-aeration, the temperature that range request water is crossed in physical desorption of the present utility model must be lower than the boiling point of water under the corresponding saturated vapour pressure, so the cavitation tendency of boiler feedpump can significantly improve.
It is identical with the principle of traditional chemical reaction deoxygenation to put forward the chemical reaction absorption process of carrying out in the device for deoxidizing at the utility model circulation gas, but noticeable change has but taken place the condition of reaction.The directly mode of dosing is taked in water in traditional chemical reaction deoxygenation, can cause water pollution on the one hand, and this under given conditions or even be not allowed to; On the other hand, directly the undercompounding of dosing method medicament and water can only take the abundant excessive way of medicament to guarantee oxygen removal efficiency, causes a large amount of wastes of medicament.And the chemical reaction process that in the utility model device, carries out, medicament no longer directly contacts with water body, matter is carried to the absorption tower with oxygen and medicament carries out chemical reaction but recommend by gas, because the concentration of the medicament aqueous solution is higher, the excessive of medicament guarantees that oxygen can thoroughly participate in chemical reaction.It is to be noted: the excessive waste that does not cause medicament of medicament, liquid medicine is that circulation participates in chemical reaction, when it is depleted to specific concentrations, replace carry dense, so chemical reaction process that carries out in the utility model device, the service efficiency of chemical agent is high, and reagent cost significantly reduces; In addition, the sealing of chemical agent is used and has effectively been solved medicament (as: N in the utility model device
2H
4) to the pollution of water quality and potential hazard that human body and surrounding environment are caused.
The beneficial effect that the utility model circulation gas is carried device for deoxidizing is: oxygen removal process is divided into physical desorption and chemical reaction absorbs after two process links, improved the applied environment and the oxygen removal efficiency of traditional physical desorption or chemical reaction deoxygenation; It is applied widely, uses in can in officely the what is the need for industry of wanting deoxygenation or the commercial device; The oxygen removal efficiency height, may command water contain the oxygen index less than 0.007mg/L or lower; Device running cost is low, and energy-saving and environmental protection; At different application conditions, the selectivity of chemical agent is very wide.
Description of drawings
Fig. 1 carries the structural representation of device for deoxidizing for circulation gas among the utility model embodiment;
Fig. 2 carries the structural representation of device for deoxidizing deoxidation tower for circulation gas among the utility model embodiment.
Among the figure: 1-deoxidation tower, 2-circularly-supercharged machine, 3-go out the tower water pump, 4-medicament basin, 5-medicament recycle pump, 6-desorption tower, 7-absorption tower, 8-mist eliminator, 9-filler assembly, 10-gas distributor, 11-liquid distributor, 12-tower body, 21-medicament delivery port, 22-medicament input aperture, 23-gas is recommended the matter relief outlet, 24-treat the de-oxygenised water input aperture, 25-gas is recommended the matter input aperture, 26-de-oxygenised water relief outlet, 27-medicament replenishes mouth, 28-medicament relief outlet, 31-return line, 41,42,43,44,45,46,47,48-valve.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model circulation gas being carried device for deoxidizing is described in detail.
Following embodiment is indefiniteness embodiment of the present utility model.
As shown in Figure 1, the utility model circulation gas carry that device for deoxidizing comprises deoxidation tower 1, circularly-supercharged machine 2, goes out tower water pump 3, medicament basin 4 and medicament recycle pump 5.
As shown in Figure 1, 2, deoxidation tower 1 mainly comprises desorption tower 6 and absorption tower 7, in the present embodiment, desorption tower 6 constitutes the lower semisection of deoxidation tower 1, absorption tower 7 constitutes the upper semisection of deoxidation towers 1, is provided with in the upper end of desorption tower 6 to remain de-oxygenised water input aperture 24, and its lower end is provided with gas and recommends matter input aperture 25, the upper/lower terminal on absorption tower 7 is respectively arranged with medicament input aperture 22 and medicament delivery port 21, in the top of deoxidation tower 1 and bottom gas is set respectively and recommends matter relief outlet 23 and de-oxygenised water relief outlet 26.
In the present embodiment, impelling gas to recommend matter recommends the matter circulation loop at described deoxidation tower 1 internal recycle mobile gas and mainly is made up of circularly-supercharged machine 2, the output terminal of circularly-supercharged machine 2 is recommended matter input aperture 25 with gas and is connected, its input terminus is recommended matter relief outlet 23 with gas and is connected, wherein, circularly-supercharged machine 2 and gas are recommended circulation loop between the matter relief outlet 23 and are also carried medium source with the gas of outside and be communicated with.
Impel liquid medicine at described absorption tower 7 internal recycle mobile medicament circulation loops, its two ends are connected with medicament delivery port 21 with medicament input aperture 22 respectively, flow to the upper end from the absorption tower flows to its lower end, described medicament circulation loop also is communicated with the liquid medicine source of outside.
In the present embodiment, the medicament circulation loop mainly is made up of medicament basin 4 and medicament recycle pump 5, the output terminal of medicament recycle pump 5 is connected with medicament input aperture 22, its input terminus is connected with medicament delivery port 21 by medicament basin 4, also replenish mouth 27 on the medicament basin 4 and be communicated with the liquid medicine source of outside by medicament, also can be by medicament relief outlet 28 with the liquid medicine emptying in the medicament basin 4.
Pick out tower water pump 3 on de-oxygenised water relief outlet 26, going out tower water pump 3 can deliver to the user with the de-oxygenised water that disposes.Also be provided with return line 31 between the input terminus of de-oxygenised water going out tower water pump 3 output terminals and treat, described return line 31 is provided with by-pass valve control 41.
As shown in Figure 1, be equipped with filler assembly 9 in desorption tower 6 and the absorption tower 7, this filler assembly can adopt present chemical industry any form of bio-carrier commonly used, as structured packing (metal corrugated plate filler), random packing (Raschig ring, Pall ring) etc.Filler assembly in filler assembly in the desorption tower 6 and the absorption tower 7 both can adopt same structure or filler classification, also can adopt different structure or filler classification.
As shown in Figure 2, in desorption tower 6, can also between the upper end for the treatment of de-oxygenised water input aperture 24 and filler assembly 9 liquid distributor 11 be set, gas is recommended between the lower end of matter input aperture 25 and filler assembly 9 gas distributor 10 is set; In absorption tower 7, can also between the upper end of medicament input aperture 22 and filler assembly 9, liquid distributor 11 be set, between the lower end of medicament delivery port 21 and filler assembly 9 gas distributor 10 is set.
Also mist eliminator 8 can be set at deoxidation tower 1 top, mist eliminator 8 is located at gas and is recommended under the matter relief outlet 23.
Gas is recommended matter and is selected the rare gas element minimum to the solubleness of water for use, as helium, neon, argon gas etc.In the present embodiment, adopt aboundresources, the lower-cost nitrogen of acquisition to recommend matter as gas.
As the chemical agent of absorption agent select for use with oxygen have good reactivity worth and the reaction do not produce sedimentary material, medicament and reaction product will be got well the solvability of water.Liquid medicine is circulating in absorption tower 7 under the effect of medicament recycle pump 5.In the present embodiment, pharmacy optimization adopts hydrazine (N
2H
4) or DMKO.
Its workflow of the utility model comprises two unit processes, i.e. physical desorption unit and chemical reaction absorptive unit.With regard to function, what the physical desorption unit carried out is that solution oxygen separates with the desorb of water in the water, and desorb separate to rely on the gas of rare gas element (gas is recommended matter) to carry, because of the dividing potential drop of oxygen in the rare gas element extremely low, dissolved oxygen in the water is to gas phase diffusion, thereby realizes separating of water and oxygen; What the chemical reaction absorptive unit carried out is the chemical reaction of the oxygen and the medicament aqueous solution, that comes from the physical desorption unit takes carrier of oxygen, also be oxygen rich air recommend matter with the gas of the medicament aqueous solution, liquid exchange process in, chemical reaction takes place rapidly and enters liquid phase with ionic state in oxygen that wherein carries and chemical agent, and the gas after the gas-liquid separation changes oxygen deprivation gas into recommends matter and return the physical desorption unit and repeat desorption process.
As shown in Figure 1, nitrogen recommends that matter input aperture 25 enters in the tower body 12 and mobile to the cat head of deoxidation tower 1 through circularly-supercharged machine 2 pressurization backs from the gas of deoxidation tower 1 bottom, when flowing through desorption tower 6, de-salted water (promptly treating de-oxygenised water) also flows from treat de-oxygenised water input aperture 24 from top to bottom, because the oxygen partial pressure in the nitrogen is extremely low, dissolved oxygen in the de-salted water spreads in nitrogen, and along with the rising of nitrogen separates with de-salted water, this is a desorption process.Subsequently, the nitrogen of absorption dissolved oxygen enters absorption tower 7.In absorption tower 7, liquid medicine flows from top to bottom under the effect of medicament recycle pump 5 and (enters from medicament input aperture 22, in medicament delivery port 21, discharge), the dissolved oxygen that enters absorption tower 7 carries out chemical reaction with it, be that oxygen rich air is recommended matter and carried out in the process of mass transfer with liquid medicine, oxygen that it carries and the medicament generation chemical reaction in the solution, make the oxygen of free state change ionic condition into and enter liquid phase, the gas-phase space (arrive gas through mist eliminator 8 and recommend matter relief outlet 23) that reacted nitrogen rises to deoxidation tower 1 top becomes oxygen deprivation gas and recommends matter, thereby the oxygen carrying capacity that makes nitrogen obtains regeneration, and enters the bottom of deoxidation tower 1 once more by circularly-supercharged machine 2.
Be to guarantee fully carrying out of desorb and subtractive process, in desorption tower 6 and absorption tower 7, can be respectively equipped with 11 pairs of gas of gas distributor 10 and liquid distributor, the liquid two-phase distributes.
The external agent source of solvent can be replenished mouth 27 by the medicament on the medicament basin 4 through valve 43 and be entered in the medicament basin 4, and the nitrogen in the outside source nitrogen can enter gas through valve 42 and recommend the matter circulation loop.Outside liquid medicine source and outside the additional of source nitrogen are that the pressure that the concentration and the circulation gas of this device internal recycling liquid medicine are recommended matter is adjusted accordingly and revised, and therefore, this complement operation is discontinuous carrying out.The effect of medicament basin 4 is to store liquid medicine to make it can satisfy required pharmaceutical quantities demand in the change in concentration cycle, and medicament recycle pump 5 for liquid medicine on the absorption tower 7 circulate lift be provided; Circularly-supercharged machine 2 provides power for nitrogen circulating in deoxidation tower 1.
De-oxygenised water after the desorb processing is qualified is delivered to user's use by going out tower water pump 3, when the needs reflux operation, the portion water return line 31 of flowing through turns back to the top of desorption tower 6, reflux operation is the de-salted water after the deoxidation partly to be turned back to desorption tower 6 carry out the secondary deoxidation, contains the oxygen index with what satisfy that technology controlled.When to water quality deoxygenation index request when higher, reflux operation is very important.
Claims (10)
1. a circulation gas is carried device for deoxidizing, it is characterized in that comprising:
Deoxidation tower (1), the desorption tower (6) and absorption tower (7) that comprise connection, the upper end of described desorption tower (6) is provided with and remains de-oxygenised water input aperture (24), its lower end is provided with gas and recommends matter input aperture (25), the upper/lower terminal on described absorption tower (7) is respectively arranged with medicament input aperture (22) and medicament delivery port (21), the top on described absorption tower (7) is provided with gas and recommends matter relief outlet (23), and the bottom of desorption tower (6) is provided with de-oxygenised water relief outlet (26);
Impel gas to recommend matter and recommend the matter circulation loop at described deoxidation tower (1) internal recycle mobile gas, its two ends are recommended the gentle matter relief outlet (23) of recommending in matter input aperture (25) with gas respectively and are connected, and described gas is recommended the matter circulation loop and also carried medium source with the gas of outside and be communicated with;
Impel liquid medicine at described absorption tower (7) internal recycle mobile medicament circulation loop, its two ends are connected with medicament delivery port (21) with medicament input aperture (22) respectively, and described medicament circulation loop also is communicated with the liquid medicine source of outside.
2. circulation gas according to claim 1 is carried device for deoxidizing, it is characterized in that described deoxidation tower (1) comprises desorption tower (6) and absorption tower (7), and desorption tower (6) and absorption tower (7) are combined into one or desorption tower (6) and absorption tower (7) split setting.
3. circulation gas according to claim 1 is carried device for deoxidizing, it is characterized in that described gas recommends the matter circulation loop and include circularly-supercharged machine (2), its output terminal is recommended matter input aperture (25) with described gas and is connected, and input terminus is recommended matter relief outlet (23) with described gas and is connected.
4. circulation gas according to claim 1 is carried device for deoxidizing, it is characterized in that described medicament circulation loop includes medicament basin (4) and medicament recycle pump (5), the output terminal of described medicament basin (4) is connected with the input terminus of described medicament recycle pump (5), the output terminal of described medicament recycle pump (5) is connected with described medicament input aperture (22), described medicament delivery port (21) is connected with the input terminus of medicament basin (4), and medicament basin (4) also is communicated with the liquid medicine source of outside.
5. circulation gas according to claim 2 is carried device for deoxidizing, it is characterized in that being equipped with filler assembly (9) in described desorption tower (6) and the absorption tower (7).
6. circulation gas according to claim 5 is carried device for deoxidizing, it is characterized in that being provided with liquid distributor (11) between the described upper end for the treatment of filler assembly (9) in de-oxygenised water input aperture (24) and the desorption tower, described gas is recommended between the lower end of filler assembly (9) in matter input aperture (25) and the desorption tower and is provided with gas distributor (10); Be provided with liquid distributor (11) in described medicament input aperture (22) and the absorption tower between the upper end of filler assembly (9), be provided with gas distributor (10) in described medicament delivery port (21) and the absorption tower between the lower end of filler assembly (9).
7. circulation gas according to claim 1 is carried device for deoxidizing, it is characterized in that being connected with out on the described de-oxygenised water relief outlet (26) tower water pump (3).
8. circulation gas according to claim 7 is carried device for deoxidizing, it is characterized in that describedly going out tower water pump (3) output terminal and treating to be provided with return line (31) between the de-oxygenised water input aperture (24), disposes valve (41) on the described return line (31).
9. carry device for deoxidizing according to the described circulation gas of one of claim 1-8, it is characterized in that also being provided with mist eliminator (8) at described deoxidation tower (1) top, described mist eliminator (8) is located at gas and is recommended under the matter relief outlet (23).
10. carry device for deoxidizing according to the described circulation gas of one of claim 1-8, it is characterized in that recommending in the matter circulation loop mobile gas by described gas, to recommend matter be nitrogen, and the medicament of importing in the medicament circulation loop is hydrazine or DMKO.
Priority Applications (1)
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CNU200820133545XU CN201280447Y (en) | 2008-08-29 | 2008-08-29 | Circulating air lift deoxidization apparatus |
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CNU200820133545XU CN201280447Y (en) | 2008-08-29 | 2008-08-29 | Circulating air lift deoxidization apparatus |
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CN201280447Y true CN201280447Y (en) | 2009-07-29 |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103112913A (en) * | 2012-11-11 | 2013-05-22 | 安徽金禾实业股份有限公司 | Method for removing dissolved oxygen in boiler water supply |
CN104090592A (en) * | 2014-06-27 | 2014-10-08 | 中广核工程有限公司 | Method for controlling oxygen content in nuclear power plant coolant circuit |
CN110203989A (en) * | 2018-09-10 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of high-purity water preparation apparatus of deoxidation and technique |
CN111282403A (en) * | 2020-01-16 | 2020-06-16 | 河南莱帕克化工设备制造有限公司 | Three-tower absorption and desorption experimental device and process thereof |
-
2008
- 2008-08-29 CN CNU200820133545XU patent/CN201280447Y/en not_active Expired - Fee Related
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103112913A (en) * | 2012-11-11 | 2013-05-22 | 安徽金禾实业股份有限公司 | Method for removing dissolved oxygen in boiler water supply |
CN104090592A (en) * | 2014-06-27 | 2014-10-08 | 中广核工程有限公司 | Method for controlling oxygen content in nuclear power plant coolant circuit |
CN110203989A (en) * | 2018-09-10 | 2019-09-06 | 西安华江环保科技股份有限公司 | A kind of high-purity water preparation apparatus of deoxidation and technique |
CN111282403A (en) * | 2020-01-16 | 2020-06-16 | 河南莱帕克化工设备制造有限公司 | Three-tower absorption and desorption experimental device and process thereof |
CN111282403B (en) * | 2020-01-16 | 2023-12-29 | 河南莱帕克化工设备制造有限公司 | Three-tower absorption and desorption experimental device and process thereof |
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