CN209054549U - A kind of boiler feed deaerator - Google Patents
A kind of boiler feed deaerator Download PDFInfo
- Publication number
- CN209054549U CN209054549U CN201821722657.9U CN201821722657U CN209054549U CN 209054549 U CN209054549 U CN 209054549U CN 201821722657 U CN201821722657 U CN 201821722657U CN 209054549 U CN209054549 U CN 209054549U
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- preheating cabinet
- catch
- water
- heat exchanger
- exchanger tube
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Abstract
The utility model discloses a kind of boiler feed deaerators, belong to boiler feedwater apparatus field, the water tank including deoxygenation head and below deoxygenation head, and deoxygenation head upper end is equipped with water inlet pipe and exhaust pipe；Water inlet pipe upper end is equipped with preheating cabinet, and preheating cabinet upper end is equipped with water inlet pipe, and heat exchanger tube is equipped in preheating cabinet, and exhaust pipe penetrates from preheating cabinet bottom and be connected to heat exchanger tube, and the heat exchanger tube other end passes through preheating cabinet upper portion side wall and forms gas outlet；Exhaust pipe is vertically arranged, at least two groups steam baffle is fixed on its inner sidewall, steam baffle includes the left catch being oppositely arranged and right catch, and there are differences in height between left catch and right catch, and the projection of side in the vertical direction coincides together where the phase proximal end of left catch and right catch.The utility model can avoid steam and be discharged with the gas, reduce the accidental consumption of water resource；The recycling to thermal energy in exhaust gas is realized, thermal energy waste is can avoid, reduces thermal pollution, and the oxygen removal efficiency of water body can be promoted.
Description
Technical field
The utility model relates to boiler feedwater apparatus fields, are specifically related to a kind of boiler feed deaerator.
Background technique
During boiler feedwater treatment process, deoxygenation is a very the key link.Oxygen is water supply system and boiler
Main corrosion substance, the oxygen in water supply should remove rapidly, and otherwise it can corrode the water supply system and component of boiler, corrosion
Product iron oxide can enter in boiler, deposit or be attached on boiler tube wall and heating surface, form the undesirable iron dirt that conducts heat, and rotten
Erosion will cause inner wall of the pipe appearance point hole, and resistance coefficient increases.When corrosive pipeline is serious, pipeline pipe explosion accident can occur often.
National regulation: evaporation capacity is all necessary more than or equal to 95 DEG C of hot-water boiler more than or equal to 2 tphs of steam boiler and water temperature
Deoxygenation.
Currently, rotating-film deaerator is a kind of novel thermal deaerator the most commonly used is thermal deaerator, effect
Principle is that moisturizing is sprayed by certain angle in the shape of a spiral through rotating-film tube and heated steam progress heat exchange deoxygenation, and water supply is heated to
Saturation temperature under corresponding oxygen-eliminating device operating pressure, the go out oxygen being dissolved in the water and other gases, prevent and reduce boiler to
The corrosion of water pipe, economizer and other auxiliary devices.It is equipped with exhaust pipe and is used to that the oxygen and other gases by escaping in water is discharged,
Contain thermal energy in the portion gas, being directly discharged into surrounding enviroment will cause thermal energy waste, also will cause thermal pollution；In addition, steam
It may be discharged with the gas, cause the accidental consumption of Water Energy.
Utility model content
1. technical problems to be solved
The technical problem to be solved by the present invention is to provide a kind of boiler feed deaerators, can avoid steam with this
Gas is discharged together, reduces the accidental consumption of water resource；The recycling to thermal energy in exhaust gas is realized, can avoid thermal energy waste,
Reduce thermal pollution.
2. technical solution
To solve the above problems, the utility model adopts the following technical scheme:
A kind of boiler feed deaerator, the water tank including deoxygenation head and below deoxygenation head, deoxygenation head upper end
Equipped with water inlet pipe and exhaust pipe, deoxygenation head bottom is equipped with the connection water pipe being connected to water tank, and the water tank lower end is set
There is outlet pipe；The water inlet pipe upper end is equipped with preheating cabinet, and the preheating cabinet upper end is equipped with water inlet pipe, is equipped with liquid in the preheating cabinet
Bit detector is equipped with electric-controlled switch valve on the water inlet pipe and water inlet pipe；Heat exchanger tube, the exhaust are equipped in the preheating cabinet
Pipe penetrates from preheating cabinet bottom and is connected to heat exchanger tube, and the heat exchanger tube other end passes through preheating cabinet upper portion side wall and forms outlet
Mouthful, the position that preheating cabinet bottom discharge hoses pass through is equipped with sealing ring；The exhaust pipe is vertically arranged, solid on inner sidewall
Surely there is an at least two groups steam baffle, the steam baffle includes the left catch being oppositely arranged and right catch, the left catch and the right side
There are differences in height between baffle, and the projection of side in the vertical direction is overlapped one where the phase proximal end of left catch and right catch
It rises.
Further, the heat exchanger tube is spirally set in preheating cabinet from the bottom to top, and the heat exchanger tube two sides pass through company
Bar is connected on preheating chamber interior wall.Heat exchanger tube is spirally arranged, and convenient for extending the discharge stroke of gas, and extends gas and is preheating
Residence time in case, so as to the adequacy for promoting gas and water body to exchange heat.
Further, the left catch and the upper and lower surface of right catch are progressively lower from fixing end to free end.Steam baffle
Lower surface is progressively lower from fixing end to free end, flows downward convenient for steam condensation at water and along steam baffle surface；Because being equipped with
More than one set steam baffle can be fallen on next group of steam baffle when the steam that upper group of steam baffle stops becomes under water flow,
Then steam baffle upper surface is progressively lower from fixing end to free end, convenient for leading to the steam water formed by upper group of steam baffle
Stream.
Further, the upper surface of the left catch and right catch are progressively lower from fixing end to free end, left catch and right gear
The lower surface of piece is gradually high from fixing end to free end.Steam water convenient for being formed after stopping itself is guided to exhaust pipe side wall,
To make steam water energy flow downward along exhaust pipe.
Further, the upper surface of the left catch and right catch are flat bevel, and lower surface is arc-shaped curved surface.
Upper surface is flat bevel, comparatively faster can carry out water conservancy diversion, lower surface to the steam water formed by upper group of steam baffle
It is arc-shaped curved surface, convenient for increasing steam baffle to the blocking area of steam, steam is promoted to condense into water on steam baffle.
3. beneficial effect
(1) the utility model is equipped with steam baffle in exhaust pipe, steam can be stopped to be discharged with gas, so that steam is steaming
Vapour baffle lower surface condenses into water and drops back into deoxygenation head along its surface, can be reduced the accidental consumption of water resource.
(2) the utility model is connected with preheating cabinet on water inlet pipe, is equipped with heat exchanger tube in preheating cabinet, and exhaust pipe is from preheating cabinet
Bottom penetrates and is connected to heat exchanger tube, and the heat exchanger tube other end passes through preheating cabinet upper portion side wall and forms gas outlet.From water in deoxygenation head
The oxygen and other gases escaped in body enters heat exchanger tube along exhaust pipe, heats to the water body in preheating cabinet, gas after cooling
Body is discharged from gas outlet again, can avoid thermal energy waste, reduces thermal pollution；Water body enters back into deoxygenation head after heating up in preheating cabinet,
The oxygen removal efficiency that water body can be promoted realizes the recycling to thermal energy in exhaust gas.
To sum up, the avoidable steam of the utility model is discharged with the gas, reduces the accidental consumption of water resource；It realizes
To the recycling of thermal energy in exhaust gas, it can avoid thermal energy waste, reduce thermal pollution, and the oxygen removal efficiency of water body can be promoted.
Detailed description of the invention
Fig. 1 is the external structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram of internal structure of preheating cabinet and exhaust pipe；
Fig. 3 is the structural schematic diagram of region A in embodiment 1 in Fig. 2；
Fig. 4 is the structural schematic diagram of region A in example 2 in Fig. 2.
Appended drawing reference: 1- deoxygenation head, 2- water tank, 3- water inlet pipe, 4- exhaust pipe, 5- connection water pipe, 6- outlet pipe, 7- are pre-
Hot tank, 8- water inlet pipe, 9- liquid level detector, 10- electric-controlled switch valve, 11- heat exchanger tube, the gas outlet 12-, 13- sealing ring, 14- steam
Vapour baffle, 141- left catch, 142- right catch, 15- connecting rod, 16- flat bevel, 17- arc-shaped curved surface.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.
Embodiment 1
A kind of boiler feed deaerator as shown in Figure 1, the water tank 2 including deoxygenation head 1 and positioned at 1 lower section of deoxygenation head,
1 upper end of deoxygenation head is equipped with water inlet pipe 3 and exhaust pipe 4, and 1 bottom of deoxygenation head is equipped with the connection water being connected to water tank 2
Pipe 5,2 lower end of water tank are equipped with outlet pipe 6；3 upper end of water inlet pipe is equipped with preheating cabinet 7, and 7 upper end of preheating cabinet is equipped with
Water inlet pipe 8 is equipped with electricity on the water inlet pipe 8 and water inlet pipe 3 as shown in Fig. 2, being equipped with liquid level detector 9 in the preheating cabinet 7
Control switch valve 10；It is equipped with heat exchanger tube 11 in the preheating cabinet 7, the exhaust pipe 4 penetrates from 7 bottom of preheating cabinet and is connected to heat exchanger tube
11,11 other end of heat exchanger tube passes through 7 upper portion side wall of preheating cabinet and forms gas outlet 12, and 7 bottom of preheating cabinet is for exhaust
The position that pipe 4 passes through is equipped with sealing ring 13；The exhaust pipe 4 is vertically arranged, and at least two groups steam gear is fixed on inner sidewall
Piece 14, the steam baffle 14 include the left catch 141 being oppositely arranged and right catch 142, the left catch 141 and right catch
There are differences in height between 142, and the projection of side in the vertical direction is overlapped where the phase proximal end of left catch 141 and right catch 142
Together.
In the present embodiment, described to change as shown in Fig. 2, the heat exchanger tube 11 is spirally set in preheating cabinet 7 from the bottom to top
11 two sides of heat pipe pass through connecting rod 15 and are connected on 7 inner wall of preheating cabinet.Heat exchanger tube 11 is spirally arranged, convenient for extending the row of gas
Clearance journey, and extend residence time of the gas in preheating cabinet 7, so as to the adequacy for promoting gas and water body to exchange heat.
In the present embodiment, as shown in figure 3, the left catch 141 and the upper and lower surface of right catch 142 from fixing end to
Free end is progressively lower.14 lower surface of steam baffle is progressively lower from fixing end to free end, convenient for steam condensation at water and along steam baffle
14 surfaces flow downward；Because being equipped with more than one set steam baffle 14, when the steam that upper group of steam baffle 14 stops becomes water flow
Can be fallen in when lower on next group of steam baffle 14, then 14 upper surface of steam baffle is progressively lower from fixing end to free end, convenient for by
The steam water that upper group of steam baffle 14 is formed carries out water conservancy diversion.
Embodiment 2
The present embodiment difference from example 1 is that: as shown in figure 4, the left catch 141 and right catch 142
Upper surface is progressively lower from fixing end to free end, and the lower surface of left catch 141 and right catch 142 are gradually high from fixing end to free end.
Steam water convenient for being formed after stopping itself is guided to 4 side wall of exhaust pipe, to make steam water energy along exhaust pipe 4 to flowing down
It is dynamic.
In the present embodiment, as shown in figure 4, the upper surface of the left catch 141 and right catch 142 are flat bevel
16, lower surface is arc-shaped curved surface 17.Upper surface is flat bevel, can be comparatively faster to by upper group of 14 shape of steam baffle
At steam water carry out water conservancy diversion, lower surface is arc-shaped curved surface, convenient for increasing steam baffle 14 to the blocking area of steam, is promoted
Steam condenses into water on steam baffle 14.
Other are the same as embodiment 1.
The mechanism of above-mentioned boiler feed deaerator are as follows:
When beginning, water body enters preheating cabinet 7 from water inlet pipe 8, then enters deoxygenation head 1 through water inlet pipe 3, passes through electric-controlled switch valve
Water volume flow rate is less than water volume flow rate in water inlet pipe 8 in 10 control water inlet pipes 3, accumulates water body in preheating cabinet 7, is examined by liquid level
It surveys device 9 and monitors liquid level variation in preheating cabinet 7, when liquid level is located at 11 top of heat exchanger tube, the electric-controlled switch on water inlet pipe 3 is adjusted
Valve 10 increases in water inlet pipe 3 water volume flow rate (keeping liquid level in preheating cabinet 7 constant) in water volume flow rate to equal than water inlet pipe 8；Water body
In deoxygenation head 1 and after heating steam heat-exchanging deoxygenation, water temperature is increased, and enters water tank 2 along connection water pipe 5 and buffers, so
Afterwards along outlet pipe 6 under water supply pumping action, boiler is supplied.
For deoxygenation head 1 in oxygen removal process, the oxygen and other gases escaped from water body enters exhaust pipe 4, steam therewith into
Enter exhaust pipe 4, the blocking steam of steam baffle 14 continues to be discharged, and steam condenses into water in 14 lower surface of steam baffle, and along it
Lower surface slip-stream can avoid steam and be discharged with the gas, reduce the accidental consumption of water resource to dropping back into deoxygenation head 1；From
The oxygen and other gases escaped in water body enters heat exchanger tube 11 along exhaust pipe 4, heats to the water body in preheating cabinet 7, cooling
Gas afterwards is discharged from gas outlet 12 again, can avoid thermal energy waste, reduces thermal pollution；Water body heat up in preheating cabinet 7 after again into
Enter deoxygenation head 1, the oxygen removal efficiency of water body can be promoted, realizes the recycling to thermal energy in exhaust gas.
As shown in the above, the avoidable steam of the utility model is discharged with the gas, reduces the accident of water resource
Consumption；The recycling to thermal energy in exhaust gas is realized, thermal energy waste is can avoid, reduces thermal pollution, and the deoxygenation of water body can be promoted
Efficiency.
Those of ordinary skill in the art it should be appreciated that more than embodiment be intended merely to illustrate that this is practical new
Type, and be not used as the restriction to the utility model, as long as in the spirit of the utility model, to the above
Variation, the modification of embodiment will all be fallen in the scope of the claims of the utility model.
Claims (5)
1. a kind of boiler feed deaerator, including deoxygenation head (1) and the water tank (2) being located at below deoxygenation head (1), the deoxygenation
Head (1) upper end is equipped with water inlet pipe (3) and exhaust pipe (4), and deoxygenation head (1) bottom is equipped with the connection being connected to water tank (2)
Water pipe (5), water tank (2) lower end are equipped with outlet pipe (6)；It is characterized in that, water inlet pipe (3) upper end is connected with preheating
Case (7), preheating cabinet (7) upper end are equipped with water inlet pipe (8), are equipped with liquid level detector (9) in the preheating cabinet (7), it is described enter
Electric-controlled switch valve (10) are equipped on water pipe (8) and water inlet pipe (3)；Heat exchanger tube (11) are equipped in the preheating cabinet (7), the row
Tracheae (4) is penetrated and is connected to heat exchanger tube (11) from preheating cabinet (7) bottom, and heat exchanger tube (11) other end passes through preheating cabinet (7)
Upper portion side wall is simultaneously formed gas outlet (12), and the position that preheating cabinet (7) the bottom discharge hoses (4) pass through is equipped with sealing ring
(13)；The exhaust pipe (4) is vertically arranged, and at least two groups steam baffle (14), the steam baffle are fixed on inner sidewall
(14) include the left catch (141) being oppositely arranged and right catch (142), deposited between the left catch (141) and right catch (142)
In difference in height, and where the phase proximal end of left catch (141) and right catch (142), the projection of side in the vertical direction is overlapped one
It rises.
2. a kind of boiler feed deaerator according to claim 1, which is characterized in that the heat exchanger tube (11) is from the bottom to top
It is spirally set in preheating cabinet (7), heat exchanger tube (11) two sides pass through connecting rod (15) and are connected on preheating cabinet (7) inner wall.
3. a kind of boiler feed deaerator according to claim 1, which is characterized in that the left catch (141) and right gear
The upper and lower surface of piece (142) is progressively lower from fixing end to free end.
4. a kind of boiler feed deaerator according to claim 1, which is characterized in that the left catch (141) and right gear
The upper surface of piece (142) is progressively lower from fixing end to free end, and the lower surface of left catch (141) and right catch (142) are by fixing end
It is gradually high to free end.
5. a kind of boiler feed deaerator according to claim 4, which is characterized in that the left catch (141) and right gear
The upper surface of piece (142) is flat bevel (16), and lower surface is arc-shaped curved surface (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722657.9U CN209054549U (en) | 2018-10-23 | 2018-10-23 | A kind of boiler feed deaerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821722657.9U CN209054549U (en) | 2018-10-23 | 2018-10-23 | A kind of boiler feed deaerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209054549U true CN209054549U (en) | 2019-07-02 |
Family
ID=67051224
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821722657.9U Expired - Fee Related CN209054549U (en) | 2018-10-23 | 2018-10-23 | A kind of boiler feed deaerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209054549U (en) |
-
2018
- 2018-10-23 CN CN201821722657.9U patent/CN209054549U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190702 Termination date: 20201023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |