CN201762159U

CN201762159U - Revolving-film deaerator

Info

Publication number: CN201762159U
Application number: CN2010202658982U
Authority: CN
Inventors: 彭维奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-21
Filing date: 2010-07-21
Publication date: 2011-03-16
Anticipated expiration: 2020-07-21

Abstract

The utility model discloses a revolving-film deaerator, comprising a deaerator body, wherein the deaerator body is internally provided with a film-rising apparatus, a water-spraying strainer, and a liquid-vapor net, and is provided with a first air inlet, a first air vent, a first water inlet and a first water outlet; a vapor-water heat exchange device is arranged between the first air vent and the film-rising apparatus, comprises an upper baffle arranged at the top layer and a lower baffle arranged at the bottom layer; the upper baffle and the lower baffle separate other spaces in the vapor-water heat exchange device and the deaerator; a spiral finned tube is arranged between the upper baffle and the lower baffle, and comprises a spiral tube main body and fins connected on the tube main body; one end of the tube main body is connected with the film-raising apparatus through a second air inlet arranged on the lower baffle, and the other end is connected with the upper space of the deaerator body through a second air vent arranged on the upper baffle. The revolving-film deaerator can be applicable to the occasions where dissolved oxygen needs to be removed in boiler feed water, such as power generation, chemical industry, heating, and the like.

Description

Membrane deaerator

Technical field

The utility model relates to field of waste water treatment, especially relates to a kind of efficient membrane deaerator that can carry out deoxidation treatment to the higher waste gas of oxygen level.

Background technology

Existing membrane deaerator generally comprises the deoxygenator body and is arranged on the intrinsic skinning device of deoxygenator, trickle double-edged fine-toothed comb, liquid gas net, the popular deoxygenator shell that can be described as of deoxygenator body, be provided with accommodation space as water tank in the bottom of deoxygenator shell, portion carries out the deoxygenation work of oxygen-containing water vapour within it, the steam of general deoxygenator through after the deoxygenation through the skinning device after venting port be discharged in the atmosphere, but still have part steam not utilized fully in the steam of this moment, the vapor emission amount is bigger than normal, wasted the energy, atmosphere has also been exerted a certain influence.

In view of this, the present utility model people is active development research, and for improving the deficiency of the said products, through the permanent research and experiment of making great efforts, development and Design goes out membrane deaerator of the present utility model finally.

The utility model content

The technical problems to be solved in the utility model provides a kind of membrane deaerator, can solve in the prior art oxygen-containing water vapour and fail by deoxidation fully, the more problem of discharge of steam.

For achieving the above object, the technical solution adopted in the utility model is: a kind of membrane deaerator, comprise deoxygenator body 1, in deoxygenator body 1, be provided with skinning device 2, trickle double-edged fine-toothed comb 3, liquid gas net 4, deoxygenator body 1 is provided with first inlet mouth 5, first venting port 6, first water-in 7 and first water port, between described first venting port 6 and skinning device 2, be provided with steam-water heat exchanging device 8, described steam-water heat exchanging device 8 comprises the upper spacer 9 that is arranged on top layer and the lower clapboard 10 of bottom, described upper spacer 9 and lower clapboard 10 separate other spaces in described steam-water heat exchanging device 8 and the deoxygenator, be provided with spiral helicine finned tube 11 between upper spacer 9 and the lower clapboard 10, described finned tube 11 comprises spiral helicine tube body 12 and the fin 13 that is connected on the tube body 12, one end of described tube body 12 links to each other with skinning device 2 by second inlet mouth of offering on the described lower clapboard 10 14, and the other end of described tube body 12 links to each other with deoxygenator body 1 upper space by second venting port of offering on the described upper spacer 9 15.

Preferably, the bottom of described deoxygenator body 1 is provided with accommodation space, as water-storing tank.

Preferably, described first venting port 6 is arranged on the top of deoxygenator body 1, and described first inlet mouth is arranged on the bottom of described deoxygenator body 1.

Preferably, described tube body 12 is combined by many tubules.

Preferably, be provided with height between described skinning device 2 and the trickle double-edged fine-toothed comb 3 and add hydrophobic pipe arrangement 16, described deoxygenator body 1 is provided with height and adds drain port 17 and add hydrophobic pipe arrangement 16 with height and communicate.

Preferably, described first water port is arranged on the bottom of described water-storing tank.

Preferably, be provided with boiling tube again in the described water-storing tank.

Preferably, offer second water port 18 on the lower clapboard 10 of described steam-water heat exchanging device 8.

Preferably, described liquid gas net 4 adopts the Stainless Steel Cloth filler to make.

Preferably, described first water-in 7 is arranged between described upper spacer 9 and the lower clapboard 10.

After adopting the technical solution of the utility model, owing between described venting port and skinning device, be provided with the steam-water heat exchanging device, therefore, wait to be discharged into of the further deoxygenation of airborne steam through the steam heat-exchanger rig, oxygen level further reduces, the temperature of steam is reduced once more simultaneously, thereby has reduced the discharging of steam.Adopt this unique design, make the utility model product contrast prior art, can reach practical improvements such as saving the energy, increase work quality.

Description of drawings

Fig. 1 is the sectional structure synoptic diagram of the utility model one embodiment.

Fig. 2 be among the utility model Fig. 1 the steam-water heat exchanging device analyse and observe schematic top plan view.

Embodiment

Below in conjunction with drawings and embodiments the utility model is described in further detail.

See also Fig. 1 and Fig. 2, be a specific embodiment of the utility model membrane deaerator, similarly embodiment only for the usefulness of explanation, is not subjected to the restriction of this embodiment in patent application.

Fig. 1 is the sectional structure synoptic diagram of the utility model one embodiment, membrane deaerator comprises deoxygenator body 1 in of the present utility model one, in deoxygenator body 1, be provided with skinning device 2, trickle double-edged fine-toothed comb 3, liquid gas net 4, above-mentioned skinning device 2, trickle double-edged fine-toothed comb 3, liquid gas net 4 is arranged on the middle part and the bottom of deoxygenator body 1, and arrange in accordance with the order from top to bottom, deoxygenator body 1 is provided with first inlet mouth 5, first venting port 6, first water-in 7 and first water port, first inlet mouth 5 is used to feed the gas for the treatment of deoxygenation, gas after 6 pairs of complete deoxygenations of first venting port discharges, first water-in 7 is used to add current and carries out heat exchange, and first water port is used for water is given off deoxygenator.The utility model is provided with steam-water heat exchanging device 8 between described first venting port 6 and skinning device 2, described steam-water heat exchanging device 8 comprises the upper spacer 9 that is arranged on top layer and the lower clapboard 10 of bottom, described upper spacer 9 and lower clapboard 10 separate other spaces in described steam-water heat exchanging device 8 and the deoxygenator, the opening of on upper spacer 9 and lower clapboard 10, offering in addition, last lower clapboard carries out airtight separating with the gas space of steam-water heat exchanging device and deoxygenator, so that the efficient of control steam-water heat exchanging device, prevent from simultaneously miscellaneous part is disturbed, be provided with the finned tube 11 that spirrillum is provided with between upper spacer 9 and the lower clapboard 10, described finned tube 11 comprises spiral helicine tube body 12 and the fin 13 that is connected on the tube body 12, the shape of tube body 12 has determined the general shape of finned tube 11, described tube body 12 is a hollow tube, the one end links to each other with skinning device 2 by second inlet mouth of offering on the described lower clapboard 10 14, the other end of described tube body 12 links to each other with deoxygenator body 1 upper space by second venting port of offering on the described upper spacer 9 15, the gas after the deoxygenation can enter in the finned tube 11 in the skinning device 2 like this, carry out further heat exchange deoxygenation, improve the efficient of deoxygenation greatly, and reduced the temperature of gas.

Described fin 13 can be the sheet of metal, and it can be welded on the tube body 12, to increase the area of dissipation of tube body 12.

Preferably, the bottom of described deoxygenator body is provided with accommodation space, as water-storing tank.

Preferably, described first venting port 6 is arranged on the top of deoxygenator body 1, and described first inlet mouth 5 is arranged on the bottom of described deoxygenator body 1, has so both made things convenient for gaseous emission, can improve the deoxygenation usefulness of gas again.

Preferably, described tube body 12 is combined by many tubules, and tube body 12 adopts many tubules mode of combination side by side, has both enlarged the selection range of tube body 12, many tubules add up and have also enlarged markedly the cross-sectional area of tube body 12 simultaneously, make the cooling of gas in it more abundant.

Preferably, described first water port 8 is arranged on the bottom of described water-storing tank, is convenient to the water in the water-storing tank is discharged.

Preferably, be provided with boiling tube again in the described water-storing tank,, water in the water tank carried out the reheat boiling, remove oxygen so that improve temperature.

Preferably, described first water-in 7 is arranged between described upper spacer 9 and the lower clapboard 10, is convenient to allow current directly enter the steam-water heat exchanging device and carries out heat exchange.

Preferably, offer second water port 18 on the lower clapboard 10 of described steam-water heat exchanging device 8, so that flow to the skinning device 2 of below behind the whole steam-water heat exchanging device of current process that allows first water-in 7 flow into.

Preferably, described liquid gas net 4 adopts the Stainless Steel Cloth filler to make, and is convenient to fully carry out heat exchange.After adopting the technical solution of the utility model, treat that gas rises gradually, successively passes through liquid vapour net 4, trickle bamboo comb 3, skinning device 2, steam-water heat exchanging device 8 except that after the carrier of oxygen feeding, discharge by first steam drain 6 then,

And at this moment, adding water coolant by first water-in 7, water flows to the bottom of deoxygenator subsequently through steam-water heat exchanging device 8, skinning device 2, trickle bamboo comb 3, liquid vapour net 4.In the process of above-mentioned gas and current reversed flow, after waiting to remove carrier of oxygen and successively passing through the multiple tracks deoxygenation of liquid gas net 4, trickle double-edged fine-toothed comb 3, skinning device 2, enter the deoxygenation of lowering the temperature of steam-water heat exchanging device again, improved oxygen removal efficiency greatly, and reduced gas purging, substantially reach unmatchful empty discharged steam, significantly improved the efficient of cooling, deoxygenation.

Adopt deoxygenator of the present utility model, it is as follows to reach new following effect:

1. heat exchange efficiency height, heat and mass is abundant, and organic efficiency can reach more than 99%;

2. stable, safe and reliable, water coolant is easy to reclaim;

3. abate the noise, substitute former deaerator exhaust sound damper, beautify plant environment.

The above; it only is embodiment of the present utility model; but protection domain of the present utility model is not limited thereto; any those of ordinary skill in the art are in the disclosed technical scope of the utility model; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain that claims were limited.

Claims

1. membrane deaerator, comprise the deoxygenator body, in the deoxygenator body, be provided with the skinning device, the trickle double-edged fine-toothed comb, liquid gas net, the deoxygenator body is provided with first inlet mouth, first venting port, first water-in and first water port, it is characterized in that: between described first venting port and skinning device, be provided with the steam-water heat exchanging device, described steam-water heat exchanging device comprises the upper spacer that is arranged on top layer and the lower clapboard of bottom, described upper spacer and lower clapboard separate other spaces in described steam-water heat exchanging device and the deoxygenator, be provided with spiral helicine finned tube between upper spacer and the lower clapboard, described finned tube comprises spiral helicine tube body and the fin that is connected on the tube body, one end of described tube body links to each other with the skinning device by second inlet mouth of offering on the described lower clapboard, and the other end of described tube body links to each other with deoxygenator body upper space by second venting port of offering on the described upper spacer.

2. membrane deaerator according to claim 1 is characterized in that: the bottom of described deoxygenator body is provided with accommodation space, as water-storing tank.

3. membrane deaerator according to claim 1 is characterized in that: described first venting port is arranged on the top of deoxygenator body, and described first inlet mouth is arranged on the bottom of described deoxygenator body.

4. membrane deaerator according to claim 1 is characterized in that: described first water-in is arranged between described upper spacer and the lower clapboard.

5. membrane deaerator according to claim 1 is characterized in that: described tube body is combined by many tubules.

6. membrane deaerator according to claim 1 is characterized in that: be provided with height between described skinning device and the trickle double-edged fine-toothed comb and add hydrophobic pipe arrangement, described deoxygenator body is provided with height and adds drain port and add hydrophobic pipe arrangement with height and communicate.

7. membrane deaerator according to claim 2 is characterized in that: described first water port is arranged on the bottom of described water-storing tank.

8. membrane deaerator according to claim 2 is characterized in that: be provided with boiling tube again in the described water-storing tank.

9. membrane deaerator according to claim 4 is characterized in that: offer second water port on the lower clapboard of described steam-water heat exchanging device.

10. according to the arbitrary described membrane deaerator of claim 1 to 9, it is characterized in that: described liquid gas net adopts the Stainless Steel Cloth filler to make.