CN108554055A - A kind of film device for vapor separation - Google Patents
A kind of film device for vapor separation Download PDFInfo
- Publication number
- CN108554055A CN108554055A CN201810133041.6A CN201810133041A CN108554055A CN 108554055 A CN108554055 A CN 108554055A CN 201810133041 A CN201810133041 A CN 201810133041A CN 108554055 A CN108554055 A CN 108554055A
- Authority
- CN
- China
- Prior art keywords
- hollow fiber
- side plate
- cover board
- membrane module
- fiber film
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/54—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms
- B01D46/543—Particle separators, e.g. dust precipitators, using ultra-fine filter sheets or diaphragms using membranes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/22—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by diffusion
- B01D2053/221—Devices
- B01D2053/223—Devices with hollow tubes
- B01D2053/224—Devices with hollow tubes with hollow fibres
Abstract
The present invention provides a kind of film device for vapor separation, including several membrane modules, flue and several fairleads；Several membrane modules are removably distributed in flue, and one end of fairlead is removably connected to the venthole of membrane module respectively；Membrane module includes several hollow fiber film threads, cover board and side plate；Hollow fiber film thread is evenly distributed on membrane module intracavitary；The outlet of hollow fiber film thread one end is communicated with outside, other end outlet closing；Side plate is mounted on hollow fiber film thread both sides, and cover board is mounted on one end of hollow fiber film thread and one end of side plate and is detachably connected with cover board.The device uses modularized design, and the arrangement quantity of membrane module can be adjusted according to exhaust gas volumn, and the distribution density of hollow fiber film thread can be adjusted according to flue gas drop requirements, can adapt to various flue gas working conditions.Due to using modularized design, the connection between component is detachable, and later period maintenance is relatively convenient, does not need to change membrane module or film device, reduces cost.
Description
Technical field
The present invention relates to moisture recovery technology fields, and in particular to one kind is for vapor point in coal-burning power plant's discharge flue gas
Film device from recycling.
Background technology
Coal-burning power plant, which is discharged, contains a large amount of saturated steam in flue gas.For the coal unit of a 600MW, per hour
The exhaust gas volumn about 200 × 10 of 50 DEG C or so of discharge4Nm3/ h carries saturated steam content about 200t/h in flue gas, by annual
Operation calculates for 5500 hours, then discharges about 1,100,000 tons of water in year, be the huge waste to water resource.Also, flue gas carries saturation
Vapor since environment temperature is relatively low, causes part vapor to condense, forms droplet simultaneously from when draining into air in chimney
Impurity is carried from airborne, i.e., so-called gypsum rain can cause centainly to pollute, influences equipment life to the environment around chimney
And health.
To be recycled to the vapor in flue gas, a kind of method is directly to condense, and reduces the dew-point temperature of flue gas, then
Recyclable certain water resource, but the vapor entrained by flue gas, still in saturation state, gypsum rain problem still has, and by
It is reduced in flue-gas temperature, drop in lift, the pollution of chimney ambient enviroment is aggravated；Another method is indirect condensing, by part
Vapor is separated from flue gas carries out condensing recovery again, and steam partial pressure is reduced under conditions of not changing flue-gas temperature,
It can effectively solve the problems, such as gypsum rain, and recycle water resource.Therefore, how vapor to be separated from flue gas, is current
One of critical issue to be solved.
Invention content
The object of the present invention is to provide a kind of film device for vapor separation, which uses modularized design, can
The arrangement quantity of membrane module is adjusted according to exhaust gas volumn, and the distribution density of hollow fiber film thread can be adjusted according to flue gas drop requirements,
It can adapt to various flue gas working conditions.Vapor in flue gas is discharged using hollow fiber composite membrane trapping coal-burning power plant, from
And it realizes moisture and recycles and improve flue gas quality.Due to using modularized design, the connection between component is detachable, later stage dimension
It repaiies relatively convenient, does not need to change membrane module or film device, reduce cost.
The technical scheme is that：It is a kind of for vapor separation film device, if including several membrane modules, flue and
Dry fairlead；
Several membrane modules are removably distributed in flue, one end of the fairlead respectively removably with film group
The venthole of part is connected to；
The membrane module includes several hollow fiber film threads, cover board and side plate；The hollow fiber film thread is evenly distributed on
Membrane module intracavitary；Hollow fiber film thread one end outlet is communicated with outside, other end outlet closing；During the side plate is mounted on
Hollow fiber film wire both sides, cover board are mounted on one end of hollow fiber film thread and one end of side plate and are detachably connected with cover board.
Further include connecting tube in said program；The both ends of the flue are removably connect with connecting tube respectively.
In said program, described hollow fiber film thread one end is fixed by potting resin A, and the other end passes through potting resin B
It fixes and closes.
In said program, fixed by the cohesive force of resin between the side plate and potting resin A, potting resin B.
In said program, the side plate is bolted with cover board.
In said program, the side plate is inlayed by concave groove connect respectively with potting resin A and potting resin B.
In said program, the interface of the side plate and cover board is sealed equipped with sealing ring A.
In said program, the interface of the fairlead and membrane module is sealed equipped with sealing ring B.
In said program, dismountable handle is installed on the cover board.
In said program, pass through screw mounting knob on the cover board.
Compared with prior art, the beneficial effects of the invention are as follows：
1. the present invention uses modularized design, including membrane module, flue, connecting tube, fairlead and bolt is accordingly connected, institute
It states membrane module to be mounted on flue by screw, the connecting tube is bolted with flue, and the fairlead passes through screw
It is fixed on membrane module；The membrane module is by hollow fiber film thread, cover board, potting resin A, potting resin B, side plate, sealing ring
A, sealing ring B, handle and corresponding connection bolt composition, the hollow fiber film thread leading portion are fixed by potting resin A, rear end
It is fixed by potting resin B, is fixed by the cohesive force of resin between the side plate and potting resin A, potting resin B, it is described
Side plate is bolted with cover board.The arrangement quantity that membrane module can be adjusted according to exhaust gas volumn, can be according to flue gas drop requirements tune
The distribution density of whole hollow fiber film thread can adapt to various flue gas working conditions.
2. the later period maintenance of the present invention is relatively convenient, can be first against single film when the pressure rise of film device inner cavity
Component carries out air tightness test, judges to reveal source, is carrying out film wire hermeticity experiment for problematic membrane module, which judges
A or which film wire is damaged, and the repair of entire film device is completed in the outlet that damage film wire is blocked by resin, without
Membrane module or film device are replaced, cost is reduced.
3. hollow fiber film thread of the present invention is uniformly distributed in membrane module intracavitary, in order to which the later stage carries out damage film wire
Processing.
4. there is concave groove in the junction of side plate of the present invention and potting resin A, potting resin B, to improve side plate and tree
The cohesive force of fat.
5. the interface and fairlead of side plate of the present invention and cover board and the interface of membrane module use sealing ring respectively
A, sealing ring B is sealed, and is prevented differential pressure action lower outer portion air from entering inner cavity and is mixed with the vapor of trapping.
6. passing through screw mounting knob on cover board of the present invention so that membrane module convenient from flue can be taken out.
Description of the drawings
Fig. 1 is a kind of film device for vapor separation.
Fig. 2 is a membrane module in film device.
In figure：1. membrane module；2. flue；3. connecting tube；4. fairlead；11. hollow fiber film thread；12. cover board；13. envelope
Fill Resin A；14. potting resin B；15. side plate；16. sealing ring A；17. sealing ring B；18 handles.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
As shown in Figure 1, for a kind of embodiment of the film device of the present invention for vapor separation, it is described to be used for water
The film device of steam separation includes membrane module 1, flue 2, connecting tube 3, fairlead 4 and accordingly connects bolt.The membrane module 1 is put
It sets in the rectangular channel of flue 2, connecting tube 3 is bolted in the both ends of the flue 2 respectively, and the fairlead 4 passes through spiral shell
Nail is fixed at the outlet circular hole of membrane module 1.
As shown in Fig. 2, the membrane module 1 be in tetragonal body, including hollow fiber film thread 11, cover board 12, potting resin A13,
Potting resin B14, side plate 15, sealing ring A16, sealing ring B17, handle 18 and bolt is accordingly connected, the hollow-fibre membrane
Silk 11 is uniformly distributed in 1 intracavitary of membrane module, and distribution density is determined according to practical application working condition, and the one of hollow fiber film thread 11
End is fixed by potting resin A13, and the other end is fixed by potting resin B14, one end outlet of hollow fiber film thread 11
It is communicated with outside, other end outlet is packaged resin B and 14 blocks, the side plate 15 and potting resin A13, potting resin B14
Junction is respectively equipped with concave groove, and the side plate 15 is inlayed by concave groove and connect with potting resin A13, potting resin B14, with
Improve cohesive force between the two.The side plate 15 is bolted with cover board 12, the interface of the side plate 15 and cover board 12
Place is sealed with sealing ring A16, and fairlead 4 and the interface of membrane module 1 are sealed with sealing ring B17, prevent pressure difference from making
Enter inner cavity with lower outer portion air to mix with the vapor of trapping, passes through screw mounting knob 18 on the cover board 12 so that film
Component 1 convenient from flue 2 can be taken out.
The course of work of the present invention：
When coal-fired flue-gas is entered by the connecting tube 3 of side in flue 2, contacted with the hollow fiber film thread 11 in flue 2,
Since the pressure of 1 intracavitary of membrane module is much smaller than flue gas pressures, and the surface of hollow fiber film thread 11 is coated with hydrophilic coating, portion
The intracavitary for dividing vapor that will enter hollow fiber film thread 11 from flue gas, and under the driving of internal differential pressure, to cover board 12 and envelope
The intracavitary flowing between Resin A 13 is filled, and enters fairlead 4, completes the trapping of vapor, recycling profit is carried out into condenser system
With.
Claims (10)
1. a kind of film device for vapor separation, which is characterized in that including several membrane modules (1), flue (2) and several draw
Outlet pipe (4)；
Several membrane modules (1) are removably distributed in flue (2), and one end difference of the fairlead (4) is dismountable
It is connected to the venthole of membrane module (1)；
The membrane module (1) includes several hollow fiber film threads (11), cover board (12) and side plate (15)；The hollow fiber film thread
(11) it is distributed in membrane module (1) intracavitary；Hollow fiber film thread (11) one end outlet is communicated with outside, other end outlet envelope
It closes；The side plate (15) is mounted on hollow fiber film thread (11) both sides, and cover board (12) is mounted on the one of hollow fiber film thread (11)
It holds and one end of side plate (15) is detachably connected with cover board (12).
2. being used for the film device of vapor separation according to claim 1, which is characterized in that further include connecting tube (3)；It is described
The both ends of flue (2) are removably connect with connecting tube (3) respectively.
3. being used for the film device of vapor separation according to claim 1, which is characterized in that the hollow fiber film thread (11)
One end is fixed by potting resin A (13), and the other end is fixed by potting resin B (14) and closes.
4. being used for the film device of vapor separation according to claim 1, which is characterized in that the side plate (15) is set with encapsulation
Fat A (13), potting resin B are fixed between (14) by the cohesive force of resin.
5. being used for the film device of vapor separation according to claim 1, which is characterized in that the side plate (15) and cover board
(12) it is bolted.
6. being used for the film device of vapor separation according to claim 5, which is characterized in that the side plate (15) is set with encapsulation
Fat A (13) and potting resin B (14) inlay connection by concave groove respectively.
7. being used for the film device of vapor separation according to claim 1, which is characterized in that the side plate (15) and cover board
(12) interface is sealed equipped with sealing ring A (16).
8. being used for the film device of vapor separation according to claim 1, which is characterized in that the fairlead (4) and film group
The interface of part (1) is sealed equipped with sealing ring B (17).
9. being used for the film device of vapor separation according to claim 1, which is characterized in that installation can on the cover board (12)
The handle (18) of dismounting.
10. being used for the film device of vapor separation according to claim 9, which is characterized in that pass through on the cover board (12)
Screw mounting knob (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133041.6A CN108554055A (en) | 2018-02-09 | 2018-02-09 | A kind of film device for vapor separation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810133041.6A CN108554055A (en) | 2018-02-09 | 2018-02-09 | A kind of film device for vapor separation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108554055A true CN108554055A (en) | 2018-09-21 |
Family
ID=63532410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810133041.6A Pending CN108554055A (en) | 2018-02-09 | 2018-02-09 | A kind of film device for vapor separation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108554055A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202715362U (en) * | 2012-09-06 | 2013-02-06 | 桑德集团有限公司 | Hollow fiber ultrafiltration membrane component |
| CN103463942A (en) * | 2013-09-10 | 2013-12-25 | 华北电力大学 | Device and method for gathering water vapor in exhaust gas based on hollow fiber membrane |
| CN105126551A (en) * | 2015-09-11 | 2015-12-09 | 东南大学 | Device and method for capturing CO2 in coal-fired flue gas by grades based on membrane method |
| CN105478015A (en) * | 2015-03-18 | 2016-04-13 | 华北电力大学 | Composite membrane assembly used for capturing water in flue gas and manufacture method thereof |
| CN208193960U (en) * | 2018-02-09 | 2018-12-07 | 江苏大学镇江流体工程装备技术研究院 | A kind of film device for vapor separation |
-
2018
- 2018-02-09 CN CN201810133041.6A patent/CN108554055A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202715362U (en) * | 2012-09-06 | 2013-02-06 | 桑德集团有限公司 | Hollow fiber ultrafiltration membrane component |
| CN103463942A (en) * | 2013-09-10 | 2013-12-25 | 华北电力大学 | Device and method for gathering water vapor in exhaust gas based on hollow fiber membrane |
| CN105478015A (en) * | 2015-03-18 | 2016-04-13 | 华北电力大学 | Composite membrane assembly used for capturing water in flue gas and manufacture method thereof |
| CN105126551A (en) * | 2015-09-11 | 2015-12-09 | 东南大学 | Device and method for capturing CO2 in coal-fired flue gas by grades based on membrane method |
| CN208193960U (en) * | 2018-02-09 | 2018-12-07 | 江苏大学镇江流体工程装备技术研究院 | A kind of film device for vapor separation |
Non-Patent Citations (1)
| Title |
|---|
| 陈观文等: "《分离膜应用与工程案例》", 国防工业出版社, pages: 32 * |
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