CN212451040U - Vacuum electrochemical and chemical iron removal four-in-one deaerator - Google Patents
Vacuum electrochemical and chemical iron removal four-in-one deaerator Download PDFInfo
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- CN212451040U CN212451040U CN202022023143.8U CN202022023143U CN212451040U CN 212451040 U CN212451040 U CN 212451040U CN 202022023143 U CN202022023143 U CN 202022023143U CN 212451040 U CN212451040 U CN 212451040U
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Abstract
The utility model discloses a vacuum electrochemistry and chemical iron removal four-in-one deaerator, which comprises a deaerator body and an electrolysis assembly, wherein the electrolysis assembly comprises a shell, and a middle clapboard divides the shell into an upper layer and a lower layer; the utility model adopts a sealing structure, is always in a vacuum state during the operation, can realize vacuum electrochemistry and chemical iron removal four-in-one deoxidization, and has the advantages of low noise, no vibration, simple installation and arrangement and the like.
Description
Technical Field
The invention belongs to the technical field of deaerators, and particularly relates to a vacuum electrochemical and chemical iron removal four-in-one deaerator.
Background
In the process of boiler feed water treatment, feed water deoxygenation is a very critical link. Dissolved oxygen is the main corrosive substance of boilers and boiler water supply systems, the dissolved oxygen in the water supply should be quickly removed, otherwise, the dissolved oxygen can corrode boiler parts and water supply systems, and the corrosive substance iron oxide enters the boiler and can deposit or attach on the boiler tube wall and the heated surface to form indissolvable and poor heat transfer iron scale. Meanwhile, corrosion can cause pitting on the inner wall of the pipeline, and the resistance coefficient is increased. When the pipeline is seriously corroded, even the boiler pipeline explosion accident can happen. The national regulation of steam boilers with evaporation capacity of more than or equal to 2T/h and hot water boilers with water temperature of more than or equal to 95 ℃ require the supply of water to be deoxidized. In addition, ferrous iron contained in water used on the boiler is easy to generate iron scale on the boiler after being heated, thereby affecting heat transfer and corroding equipment, reducing the efficiency of the boiler, particularly having large workload of removing rust on the boiler in summer, and simultaneously having short service life of the boiler.
Disclosure of Invention
The invention aims to provide a vacuum electrochemical and chemical iron removal four-in-one deaerator for better further treating deaerated water.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a vacuum electrochemical and chemical iron removal four-in-one deaerator comprises a deaerator body and an electrolytic assembly, wherein the electrolytic assembly comprises a shell, an intermediate partition plate divides the shell into an upper layer and a lower layer, the upper layer is connected with a negative electrode electrolytic interface, the lower layer is connected with a positive electrode electrolytic interface, a spiral ascending decomposition water channel is distributed in the upper layer and the lower layer, a lower decomposition water channel is provided with a deaerated water inlet, the upper decomposition water channel is provided with a deaerated water outlet, the deaerated water outlet is connected with a rotary membrane atomizer, deaerated water passes through the rotary membrane atomizer and passes through a nozzle to jet a rotary membrane in a rotating mode, the top of the deaerator body is provided with a steam-water separator, a vacuum suction port is connected with the steam-water separator, a reverse cone type collector is arranged below the rotary membrane atomizer, a diversion hole and filled sponge iron are arranged on the edge of the reverse cone type collector, an ejector is arranged, the magnetic force adsorption released by the iron removing device and the collected ferroferric oxide precipitate are gathered on the magnetic collecting tank, a sewage pipeline is connected below the iron removing device, and a sewage valve is arranged on the sewage pipeline.
Preferably, the deironing device is a stainless steel cylinder, a magnetic radiation port is formed in the stainless steel cylinder, the stainless steel cylinder axially penetrates through the rotating shaft, a magnetic rod is arranged on the rotating shaft, and the rotating shaft is controlled by the executing mechanism.
Preferably, the magnetic radiation opening is a rectangular notch transversely formed in the stainless steel cylinder, and the magnetic rod radiates magnetic force to the magnetic collecting tank through the magnetic radiation opening.
Preferably, the magnetic collecting tank is made of round carbon steel and is provided with a plurality of small holes, a sensor is further arranged on the magnetic collecting tank, when the ferroferric oxide precipitate is saturated, the sensor gives a signal, and the PLC instructs the rotating shaft executing mechanism and the electric blow-down valve to be opened and closed.
Preferably, the electrolysis assembly intermediate baffle is made of insulating materials, and the upper decomposition water channel and the lower decomposition water channel are connected through a U-shaped water channel.
Preferably, the ejector adopts a two-stage ejector, and the ejector adopts a conical structure.
Preferably, the collection tube is of a stainless steel cylindrical structure.
Preferably, the upper layer edge and the lower layer edge of the electrolysis assembly shell adopt an end cover structure.
The technical scheme can obtain the following beneficial effects:
the invention adopts a sealing structure, is always in a vacuum state during operation, can realize vacuum electrochemistry and chemical iron removal four-in-one deoxidization, and has the advantages of low noise, no vibration, simple installation and arrangement and the like.
The electrolysis assembly of the invention adopts the spiral ascending electrolysis water channel, so that the distance between the anode and the cathode is prolonged, the electrolysis time of the deoxygenated water is further prolonged, and the decomposition of iron ions is more sufficient.
The deaerator adopts novel efficient rotary film atomizer, can rotate through the nozzle and jet out the water film as thin as paper, reinforcing dispersion force, increase the mass transfer function, and the deaerator passes through catch water and vacuum suction mouth and effectively realizes steam-water separation.
The invention adopts the iron removing device and the magnetic collecting tank to adsorb, collect and discharge the iron ion precipitate in the deoxygenated water, and controls the iron removing device to discharge the adsorbed iron ion precipitate from the sewage discharge pipe orifice.
The magnetic control deaerator can be also connected with a PLC (programmable logic controller) for matching use to control the operation of each part in the deaerator, and the sensor gives a pressure sensing signal on the magnetic collecting tank to the PLC so as to control the actuator.
Drawings
Fig. 1 is a schematic diagram of a deaerator.
FIG. 2 is a structural diagram of the deironing device, the collecting pipe and the magnetic collecting tank.
FIG. 3 is a view showing the internal structure of the iron removing apparatus.
FIG. 4 is a first state diagram of the iron removal device and the magnetic collecting tank.
FIG. 5 is a second diagram of the deironing device and the magnetic collecting tank.
Fig. 6 is a view showing a structure of a magnetic radiation port.
In the figure:
in the figure: 1. a deaerator body; 2. total electrolysis; 3. a deoxygenated water outlet; 4. a water inlet pipe of a rotary film atomizer; 5. a deoxygenated water inlet; 6. spirally rising decomposing water channels; 7. the device comprises a partition plate, 8, a vacuum suction port, 9, an inverted cone type collector, 10, a collecting pipe, 11, a membrane rotating device, 12, an ejector, 13, a rotating shaft, 14, a water outlet, 15, a sewage pipeline, 16, a magnetic rod, 17, an iron removing device, 18, a magnetic collecting tank, 19, a sewage valve, 20, a steam-water separator, 21, a stainless steel cylinder, 22, a magnetic radiation port, 23, a sensor, 24, a small hole, 25, a plug and 26, an actuating mechanism, 27 and a reducing agent sponge iron.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1-6, a vacuum electrochemical and chemical iron removal four-in-one deaerator comprises a deaerator body 1 and an electrolysis unit 2, wherein the electrolysis unit 2 comprises a shell, an intermediate partition plate 7 divides the shell into an upper layer and a lower layer, the upper layer is connected with a negative electrode electrolysis interface, the lower layer is connected with a positive electrode electrolysis interface, a spiral ascending decomposition water channel 6 is distributed in the upper layer and the lower layer, the lower decomposition water channel is provided with a deaerated water inlet 5, the upper decomposition water channel is provided with a deaerated water outlet 3, the deaerated water outlet 3 is connected with a rotary film atomizer 11, deaerated water passes through the rotary film atomizer 11 and passes through a nozzle to jet a rotary film in a rotating mode, the top of the deaerator body 1 is provided with a steam-water separator 20 and a vacuum suction port 8, a reverse cone collector 9 is arranged below the rotary film atomizer 11, the edge of the reverse cone collector is provided with a shunt, a magnetic collecting tank 18 is arranged below the ejector 12, an iron removing device 17 is arranged below the magnetic collecting tank 18, the iron removing device releases magnetic force to adsorb and collect ferroferric oxide precipitates to be gathered on the magnetic collecting tank, a sewage discharge pipeline 15 is connected below the iron removing device, and a sewage discharge valve 19 is arranged on the sewage discharge pipeline 15. The iron removing device 17 is a stainless steel cylinder 21, a magnetic radiation opening 22 is formed in the stainless steel cylinder 21, the stainless steel cylinder 21 axially penetrates through the rotating shaft 13, a magnetic rod 16 is arranged on the rotating shaft 13, and the rotating shaft 13 is controlled by an executing mechanism 26. The magnetic radiation opening 22 is a rectangular notch formed in the stainless steel cylinder 21 in the transverse direction, and the magnetic rod 16 radiates magnetic force to the magnetic collecting tank 18 through the magnetic radiation opening. The magnetic collecting tank 18 is made of round carbon steel, a plurality of small holes 24 are formed in the magnetic collecting tank 18, a sensor 23 is further arranged on the magnetic collecting tank 18, and the sensor 23 controls the rotating shaft of the executing mechanism and the opening and closing of the drain valve 19 through PLC after giving out signals. The electrolysis total 2 intermediate baffle is made of insulating materials, and the upper and lower decomposition water channels are connected through a U-shaped water channel. The ejector 12 is a two-stage ejector, and the ejector is of a conical structure. The collection tube 10 is of a stainless steel cylindrical structure.
Example (b):
deoxygenated water is squeezed into through electrolysis always by 2's casing lower floor deoxygenated water import 5, under the oxygen-eliminating device vacuum action, deoxygenated water enters into the upper strata back along spiral rising formula water course, in getting into oxygen-eliminating device rotary film atomizer inlet tube from deoxygenated water export 3, rotary film atomizer jets out like paper's water film through the nozzle soon, the catch water of oxygen-eliminating device separates liquid and gas, gas is discharged from the vacuum suction mouth, rotary film liquid is on back taper collector 9, partly liquid gets into reductant sponge iron device 27 and flows into the oxygen-eliminating device casing through the reposition of redundant personnel hole on the back taper collector 9 on the edge, partly liquid gets into in collecting pipe 10 in addition, behind two-stage ejector 12, ferroferric oxide precipitate in the liquid adsorbs on magnetic force magnetic collecting vat 18 under the deironing device magnetic force, realize the mesh of deironing.
In the above embodiment, the two-stage ejector 12 is adopted, when the back taper collector 9 is in the ejector with a large diameter to a small diameter, the pressure can be converted into the speed energy, the liquid can be more quickly contacted with the magnetic collecting tank 18, meanwhile, the conical ejector can also put the liquid to gather, the dispersion degree is reduced, when the magnetic emission port of the iron removal device is aligned with the magnetic collecting tank 18, the magnetic field generated by the magnetic rod, the magnetic collecting tank 18 is made of carbon steel material, the magnetic field area is enlarged, the ferroferric oxide precipitate in the liquid is gathered on the magnetic collecting tank 18, when the ferroferric oxide precipitate on the magnetic collecting tank 18 is gathered and saturated, the small hole 24 on the magnetic collecting tank 18 is blocked, the flux area is reduced, at this time, the rotating shaft is rotated to drive the stainless steel cylinder 21 to rotate 90 degrees, the magnetic emission port rotates to the side, the magnetic collecting tank 18 and the magnetic rod are blocked by the stainless steel, the magnetic force on the magnetic collecting tank 18 disappears, the ferroferric oxide precipitate falls to the stainless steel cylinder 21 from the small hole, the ferroferric oxide precipitate is carried by water into a sewage discharge pipeline below, and a sewage discharge valve is opened to discharge the ferroferric oxide precipitate.
In the embodiment mode, a sensor can be installed on the magnetic collecting tank 18, the sensor can detect the flux area value on the magnetic collecting tank 18, when the flux area value is smaller than a preset value, a signal is transmitted to the PLC, and after the PLC obtains a signal instruction, the PLC drives the actuator to open the blow-off valve and rotate the rotating shaft by 90 degrees, so that ferroferric oxide precipitates are discharged.
In the above embodiment, the upper and lower both ends of the shell of 2 are always taken advantage of in the electrolysis adopt the end cover structure, can realize dismantling and installing, easy maintenance, and the below of oxygen-eliminating device is equipped with outlet 14. The components of the pipelines are connected through flanges.
In order to deoxidise, the sponge iron that uses, it is mainly that former ore directly reduces the income, and is relatively pure, and the activity is higher, reacts with aquatic oxygen and produces the ferroferric oxide precipitate, and the ferroferric oxide precipitate is along with rivers when through deironing equipment, by the magnetic adsorption on the magnetic collection groove 18.
The above description is the preferred embodiment of the present invention, and it is within the scope of the appended claims to cover all modifications of the invention which may occur to those skilled in the art without departing from the spirit and scope of the invention.
Claims (8)
1. Vacuum electrochemistry, chemistry deironing quaternary integration oxygen-eliminating device, its characterized in that: the electrolytic oxygen remover comprises an oxygen remover body (1) and an electrolytic total support (2), wherein the electrolytic total support (2) comprises a shell, an intermediate partition plate (7) divides the shell into an upper layer and a lower layer, the upper layer is connected with a negative electrode electrolytic interface, the lower layer is connected with a positive electrode electrolytic interface, a spiral ascending decomposition water channel (6) is distributed in the upper layer and the lower layer, a lower decomposition water channel is provided with a deoxygenated water inlet (5), the upper decomposition water channel is provided with a deoxygenated water outlet (3), the deoxygenated water outlet (3) is connected with a rotary film atomizer (11), deoxygenated water passes through the rotary film atomizer (11) and passes through a nozzle to jet a rotary film in a rotary mode, the top of the oxygen remover body (1) is provided with a steam-water separator (20) and a vacuum suction port (8), an inverted cone type collector (9) is arranged below the rotary film atomizer (11), the edge of the inverted cone type collector (9) is provided with a shunting hole and filled with sponge iron, a magnetic collecting tank (18) is arranged below the ejector (12), an iron removal device (17) is arranged below the magnetic collecting tank (18), the iron removal device releases magnetic force to adsorb and collect ferroferric oxide precipitates to be gathered on the magnetic collecting tank (18), a sewage discharge pipeline (15) is connected below the iron removal device, and a sewage discharge valve (19) is arranged on the sewage discharge pipeline (15).
2. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 1, characterized in that: deironing device (17) are stainless steel cylinder (21), are equipped with magnetism radiation mouth (22) on stainless steel cylinder (21), pivot (13) are run through to stainless steel cylinder (21) axial, are equipped with bar magnet (16) on pivot (13), and pivot (13) are controlled by actuating mechanism (26).
3. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 2, characterized in that: the magnetic radiation opening (22) is a rectangular notch transversely formed in the stainless steel cylinder (21), and the magnetic rod (16) radiates magnetic force to the magnetic collecting tank (18) through the magnetic radiation opening.
4. The vacuum electrochemical and chemical iron removal four-in-one deaerator according to claim 1 or 3, characterized in that: the magnetic collecting tank (18) is made of round carbon steel, a plurality of small holes (24) are formed in the magnetic collecting tank (18), a sensor (23) is further arranged on the magnetic collecting tank (18), and when the ferroferric oxide precipitates are saturated, the sensor (23) gives a demagnetizing signal, and then the PLC instructs the rotating shaft execution mechanism and the electric blow-down valve (19) to be opened and closed.
5. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 1, characterized in that: the middle partition plate of the electrolysis assembly (2) is made of insulating materials, and the upper and lower layers of decomposition water channels are connected through a U-shaped water channel.
6. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 1, characterized in that: the ejector (12) adopts a two-stage ejector, and the ejector adopts a conical structure.
7. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 1, characterized in that: the collecting pipe (10) adopts a stainless steel cylindrical structure.
8. The vacuum electrochemical and chemical iron removal four-in-one deaerator of claim 1, characterized in that: the upper layer edge and the lower layer edge of the shell of the electrolysis assembly (2) adopt end cover structures.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022023143.8U CN212451040U (en) | 2020-09-16 | 2020-09-16 | Vacuum electrochemical and chemical iron removal four-in-one deaerator |
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| CN202022023143.8U CN212451040U (en) | 2020-09-16 | 2020-09-16 | Vacuum electrochemical and chemical iron removal four-in-one deaerator |
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| CN212451040U true CN212451040U (en) | 2021-02-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995161A (en) * | 2020-09-16 | 2020-11-27 | 连云港市神美电力辅机有限公司 | Vacuum electrochemical and chemical iron removal four-in-one deaerator |
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- 2020-09-16 CN CN202022023143.8U patent/CN212451040U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995161A (en) * | 2020-09-16 | 2020-11-27 | 连云港市神美电力辅机有限公司 | Vacuum electrochemical and chemical iron removal four-in-one deaerator |
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