CN205664353U - Rotary film deaerator - Google Patents
Rotary film deaerator Download PDFInfo
- Publication number
- CN205664353U CN205664353U CN201620529929.8U CN201620529929U CN205664353U CN 205664353 U CN205664353 U CN 205664353U CN 201620529929 U CN201620529929 U CN 201620529929U CN 205664353 U CN205664353 U CN 205664353U
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- China
- Prior art keywords
- steam
- vapour
- rotation film
- return tube
- oxygen
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a rotary film deaerator, including the vertical oxygen column that removes, the cyclone film device includes cyclone film water tank and a plurality of cyclone film pipe and overflow gland steam exhauster, and the part that the cyclone film pipe lies in the cyclone film water tank is equipped with a plurality of inclined holes of intaking, buffer includes a plurality of minutes fluid layers and gas -liquid mixture structure, divide the fluid layer include a plurality of cross -sections for the branch stream unit of the V font placed upside down, vapour -liquid mixed structure includes that the vapour -liquid mixes the net, establish the steam intake pipe in the buffer below, the end of giving vent to anger of steam intake pipe is equipped with vapor nozzle, the vertical tower body that removes the oxygen column including thermal -insulated outer with lead the vapour inlayer, lead the vapour inlayer and down be equipped with a plurality of steam baffles from last, adjacent steam baffle is equipped with a plurality of left air vents and right air vent respectively, lead the vapour inlayer and lie in cyclone film device top position and be equipped with the return tube, the upper end of return tube with the vapour inlayer of leading connect, the lower extreme of return tube with the cyclone film water tank connect. This rotary film deaerator can utilize steam to the boiler feed water deoxidization fully, improves oxygen removal efficiency.
Description
Technical field
This utility model relates to a kind of boiler feedwater processing equipment, particularly one and can take off by waste water higher to oxygen content
The membrane deaerator that oxygen processes.
Background technology
In boiler feedwater processes technical process, deoxygenation is a most crucial link.Oxygen be water supply system and
The main corrosion material of boiler, the oxygen in feedwater should rapidly be removing, otherwise it can corrode boiler water supply system and
Parts, corrosion product ferrum oxide can enter in pot, deposits or be attached on boiler tube wall and heating surface, forms indissoluble and conducts heat not
Good ferrum dirt, and corrosion can cause inner-walls of duct appearance point to cheat, and resistance coefficient increases.When corrosive pipeline is serious, even can send out
Raw pipe explosion accident.National regulation evaporation capacity more than or equal to the steam boiler of 2 tphs and water temperature more than or equal to 95 DEG C
The all required deoxygenation of hot-water boiler.
Existing oxygen-eliminating device is the mode of thermal de-aeration mostly, it is simply that utilize steam that feedwater is heated under corresponding pressure
Saturation temperature time, vapor partial pressure power will be close to total pressure on the water surface, the partial pressure of various gases soluble in water close to
Zero, therefore, water does not the most have the ability of dissolved gas, and gas soluble in water is just precipitated, thus remove the oxygen in water and its
His gas.
Chinese utility model patent prospectus notification number 2876558 discloses a kind of membrane deaerator, and it includes removing
Oxygen head and be connected bottom deoxygenation head water tank two large divisions composition, the top of deoxygenation head is provided with an air vent；Middle part is provided with
Hydroecium and water inlet pipe, outlet pipe, trickle bamboo comb, installed above at supporting plate has packing layer, and bottom is provided with steam pipe, at water
Room be respectively arranged on the left side and the right side outlet pipe and water inlet pipe, the bottom steam indoor location at deoxygenation head have steam pipe and steam spray
Head, this device has certain deaerating effect, but the most sufficiently utilizes steam to boiler supply water deaerating, and oxygen removal efficiency is not
High.
Summary of the invention
The technical problems to be solved in the utility model is for the deficiencies in the prior art, proposes a kind of membrane deaerator, should
Membrane deaerator can utilize steam to boiler supply water deaerating fully, improves oxygen removal efficiency.
The technical problems to be solved in the utility model is achieved through the following technical solutions.This utility model is a kind of rotation
Film oxygen-eliminating device, including vertical oxygen-removing tower, is respectively equipped with steam drain and outlet in the upper and lower of oxygen-removing tower, and its feature exists
In, also include:
Be located at the rotation film device below described steam drain, including side be provided with water inlet pipe rotation film water case and some vertically
Ground passes rotation membrane pipe and the overflow gland steam exhauster of rotation film water case, and the upper/lower terminal conducting of overflow gland steam exhauster, rotation membrane pipe is positioned at rotation film water
Part in case is provided with some water inlet inclined holes；
Being located between described rotation film device and outlet and be provided with buffer unit, described buffer unit includes some shuntings
Layer and be located at below shunting layer gas-liquid mixed structure, described shunting layer include some cross sections be inverted V-shaped point
Stream unit, the by-passing parts interval of adjacent shunting layer is arranged, and described gas-liquid mixed structure includes gas-liquid mixed net；
Being located at the steam inlet duct below described buffer unit, the outlet side of described steam inlet duct is provided with steam spray
Head；
The tower body of described vertical oxygen-removing tower includes heat insulating outer shield and leads vapour internal layer, and described vapour internal layer of leading sets from top to bottom
Having some steam baffles, adjacent steam baffle to be respectively equipped with some left passages and right passage, described leads vapour internal layer position
Be provided with return tube in described rotation film device top position, the upper end of described return tube is connected with described vapour internal layer of leading, institute
The lower end of the return tube stated is connected with described rotation film water case.
In this utility model one membrane deaerator technical scheme, further preferred technical scheme feature is:
Described heat insulating outer shield is hollow heat insulation layer.
In this utility model one membrane deaerator technical scheme, further preferred technical scheme feature is:
Some steam grooves it are provided with vertically on the inwall of described rotation film water case.
Compared with prior art, this utility model has the following technical effect that:
1, by the tower body of vertical oxygen-removing tower being included heat insulating outer shield and leading vapour internal layer, and vapour internal layer is being led from top to bottom
Being provided with some steam baffles, make unnecessary steam slowly increase by leading vapour internal layer, during rising, vertical oxygen-removing tower enters
Row heating, in making oxygen-removing tower, temperature raises further, has and utilizes the oxygen evolution being dissolved in water；Then passing through return tube will
The steam leading vapour internal layer is back to revolve film water case, can increase the pressure and temperature in rotation film water case, owing to being dissolved in water
Gas is under the highest pressure and under the highest water temperature, and dissolubility is the lowest, so can improve the efficiency of deoxygenation further；
2, by arranging buffer unit, make current be layered in shunting layer, again mix with water vapour, flow into gas-liquid
In mixed structure, buffer unit increases the area of water and steam, makes heat exchange more abundant；
3, by axially disposed some steam grooves on the inwall of rotation film water case, the appearance in rotation film water case can be increased
Long-pending, more steam can be imported, make the temperature in rotation film water case higher, deaerating effect is more preferable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of the rotation film water case in Fig. 1；
Fig. 3 is the structural representation of the part A in Fig. 1；
Fig. 4 is the structural representation of the steam baffle in Fig. 1.
Detailed description of the invention
Referring to the drawings, concrete technical scheme of the present utility model is further described, in order to those skilled in the art
Member is further understood that this utility model, and does not constitute the restriction of its right.
Embodiment 1, with reference to Fig. 1-4, a kind of membrane deaerator, including vertical oxygen-removing tower 1, in the upper and lower of oxygen-removing tower
It is respectively equipped with steam drain 10 and outlet 8, also includes: be located at the rotation film device 9 below described steam drain 10, set including side
There are the rotation film water case 90 of water inlet pipe 94 and some rotation membrane pipes 91 passing vertically through rotation film water case 90 and overflow gland steam exhauster 93, overflow
The upper/lower terminal conducting of gland steam exhauster 93, rotation membrane pipe 91 is positioned at the part of rotation film water case 90 and is provided with some water inlet inclined holes 92；It is located at
Being provided with buffer unit between described rotation film device 9 and outlet, described buffer unit includes some shunting layer 3 and is located at point
Below fluid layer 3 gas-liquid mixed structure, the quantity of fluid layer can be 3 layers, 4 layers, 5 layers or more layers, and described shunting layer 3 is wrapped
Including the by-passing parts that some cross sections are inverted V-shaped, the by-passing parts interval of adjacent shunting layer 3 is arranged, and described gas-liquid is mixed
Close structure and include that gas-liquid mixed net 5, shunting layer and gas-liquid mixed structure are arranged in steam discharge cylinder 1 by support ring 6；It is located at institute
Steam inlet duct 7 below the buffer unit stated, the outlet side of described steam inlet duct 7 is provided with steam jet 71；Described
The tower body of vertical oxygen-removing tower 1 includes heat insulating outer shield 3 and leads vapour internal layer 2, if described vapour internal layer 2 of leading is provided with dry saturated steam from top to bottom
Baffle plate 20, adjacent upper and lower steam baffle 20 is respectively equipped with some steam baffles 24 and right passage 25, and described leads vapour internal layer
2 are positioned at described rotation film device 9 top position is provided with return tube 22, and vapour internal layer is led with described in the upper end of described return tube 22
2 connect, and the lower end of described return tube 22 is connected with described rotation film water case 90.
Embodiment 2, in the membrane deaerator described in embodiment 1: described heat insulating outer shield 3 is hollow heat insulation layer, hollow every
Thermosphere can be evacuated, and reduces the loss of heat.
Embodiment 3, in the membrane deaerator described in embodiment 1 and 2: as it is shown on figure 3, the inwall of described rotation film water case 90
On be provided with some steam grooves 96 vertically.
In the above embodiments, water inlet pipe 94, gap filling heat-barrier material between outlet pipe 8 and oxygen-removing tower, heat insulation material
Material can be glass fibre or asbestos.
Operation principle of the present utility model: by the tower body of vertical oxygen-removing tower being included heat insulating outer shield and leading vapour internal layer, and
And it is provided with some steam baffles from top to bottom leading vapour internal layer, make unnecessary steam slowly increase by leading vapour internal layer, rising
During vertical oxygen-removing tower heat, in making oxygen-removing tower, temperature raises further, have utilize be dissolved in water oxygen analysis
Out；Then it is back to the steam leading vapour internal layer revolve film water case by return tube, the pressure in rotation film water case can be increased
And temperature, owing to being dissolved in water gas under the highest pressure and under the highest water temperature, dissolubility is the lowest, so can enter one
Step improves the efficiency of deoxygenation；
By arranging buffer unit, make current be layered in shunting layer, again mix with water vapour, flow into gas-liquid and mix
Closing in structure, buffer unit increases the area of water and steam, makes heat exchange more abundant；By on the inwall of rotation film water case
Axially disposed some steam grooves, can increase the volume in rotation film water case, can import more steam, make rotation film water case
Interior temperature is higher, and deaerating effect is more preferable.
Claims (3)
1. a membrane deaerator, including vertical oxygen-removing tower, is respectively equipped with steam drain and water outlet in the upper and lower of oxygen-removing tower
Mouthful, it is characterised in that also include:
It is located at the rotation film device below described steam drain, is provided with the rotation film water case of water inlet pipe including side and some wears vertically
The rotation membrane pipe of overwinding film water case and overflow gland steam exhauster, the upper/lower terminal conducting of overflow gland steam exhauster, rotation membrane pipe is positioned at rotation film water case
Part be provided with some water inlet inclined holes；
Be located between described rotation film device and outlet and be provided with buffer unit, described buffer unit include some shunting layer and
Be located at below shunting layer gas-liquid mixed structure, described shunting layer includes the distributary division that some cross sections are inverted V-shaped
Part, the by-passing parts interval of adjacent shunting layer is arranged, and described gas-liquid mixed structure includes vapour-liquid hybrid network；
Being located at the steam inlet duct below described buffer unit, the outlet side of described steam inlet duct is provided with steam jet；
The tower body of described vertical oxygen-removing tower includes heat insulating outer shield and leads vapour internal layer, if described vapour internal layer of leading is provided with from top to bottom
Dry saturated steam baffle plate, adjacent steam baffle is respectively equipped with some left passages and right passage, and described vapour internal layer of leading is positioned at institute
The rotation film device top position stated is provided with return tube, and the upper end of described return tube is connected with described vapour internal layer of leading, described
The lower end of return tube is connected with described rotation film water case.
Membrane deaerator the most according to claim 1, it is characterised in that: described heat insulating outer shield is hollow heat insulation layer.
Membrane deaerator the most according to claim 1 and 2, it is characterised in that: along axle on the inwall of described rotation film water case
To being provided with some steam grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529929.8U CN205664353U (en) | 2016-06-03 | 2016-06-03 | Rotary film deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620529929.8U CN205664353U (en) | 2016-06-03 | 2016-06-03 | Rotary film deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205664353U true CN205664353U (en) | 2016-10-26 |
Family
ID=57159429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620529929.8U Withdrawn - After Issue CN205664353U (en) | 2016-06-03 | 2016-06-03 | Rotary film deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205664353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841138A (en) * | 2016-06-03 | 2016-08-10 | 连云港正航电力节能技术有限公司 | Efficient rotary film deaerator |
-
2016
- 2016-06-03 CN CN201620529929.8U patent/CN205664353U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841138A (en) * | 2016-06-03 | 2016-08-10 | 连云港正航电力节能技术有限公司 | Efficient rotary film deaerator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161026 Effective date of abandoning: 20171107 |