CN201692720U - Powdered resin covered filter - Google Patents
Powdered resin covered filter Download PDFInfo
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- CN201692720U CN201692720U CN2010202153047U CN201020215304U CN201692720U CN 201692720 U CN201692720 U CN 201692720U CN 2010202153047 U CN2010202153047 U CN 2010202153047U CN 201020215304 U CN201020215304 U CN 201020215304U CN 201692720 U CN201692720 U CN 201692720U
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Abstract
The utility model discloses a powdered resin covered filter which can solve the problems of overhigh running cost and short film-changing cycle of the prior art and adopts the one-time film bursting process to replace the original flushing process. The powdered resin covered filter comprises a barrel-shaped equipment body, a filter chamber is arranged in the barrel-shaped inner space, a plurality of filter units are vertically arranged in the filter chamber, the upper space of the filter chamber is an overhaul chamber, the top of the overhaul chamber is provided with a manhole, the lower end of the equipment body is provided with a water inlet and a water outlet, the lower space of the filter chamber is sequentially provided with an air chamber and a water chamber, and the side wall of the air chamber is provided with an air inlet and a water drainage port. At the moment of film bursting, the water chamber provides enough water as the film bursting medium, the air chamber is expanded to provide enough energy, and a compressed air inlet for holding the pressure and a water drainage port are additionally arranged in the air chamber; therefore, the film flushing process realizes the true film bursting, the superficial areas of the filter units are fully utilized, the film changing cycle is prolonged, and the running cost is lowered.
Description
Technical field
The utility model belongs to water-treatment technology field, specifically, relates to a kind of powdered resin precoat filter that is applicable to the precision processing of air cooled generator group condensate water.
Background technology
Powdered resin precoat filter is suitable for the precision processing of air cooling Turbo-generator Set condensate water, the characteristics of air cooled generator group are: 1, condensate water water quality institute is seldom contaminated, can not increase considerably owing to sewing of recirculated cooling water makes the salt content of condensate water, can add a spot of toner by precoat filter, form resin covering film, when the condensate water of Air-cooled Unit is removed salt impurity and metal oxide in the water during by resin covering film in the lump, also can add the fiber dust of right quantity, increase the filter effect of precoat filter; 2, the air cooled generator group adopts air as cooling medium, the heat content of air is less, and cooling effect is relatively poor, makes the residual temperature of condensate water higher, precoat filter adopts a small amount of, special, resistant to elevated temperatures toner to carry out the condensate water precision processing, can reduce operating cost; 3, powdered resin precoat filter is applied to the condensate water precision processing, and process system is fairly simple, and the condensate water precision processing is pressed in the investment-saving in being applicable to, can simplify therrmodynamic system.
Present powdered resin precoat filter is once spread the thickness 6-9mm of film, under normal circumstances, according to test and theoretical calculating, the cycle of operation should reach 21 days, actual operating state has only 2-3 days at present, what running status was best generally is no more than 7 days, and the actual motion economic benefit of precoat filter is had a greatly reduced quality, and a large amount of powdexes are drained with waste water; The price of powdex is expensive, about 80,000 yuan per ton, be ordinary resin 3-4 doubly, a large amount of powdexes is drained, not only operating cost increases substantially, and causes the organic matter that is difficult to degrade to pollute simultaneously; Present operation conditions makes the vitality of powdered resin precoat filter precarious, have more than is needed time too for a long time, will be abolished.
At present there are the following problems for the precoat filter of operation: so-called " quick-fried " film is not quick-fried film, be water towards film, gas is towards film, or even segmentation is towards film.Towards the requirement that the energy that membrane process provided does not reach quick-fried film far away, so the coverlay that lost efficacy can not be removed totally, particularly sectional flushing has formed the energy leak, and scouring media selects little, the no film section of resistance to pass through, and the coverlay of inefficacy more dashes can't to be washed off.The coverlay that lost efficacy can not thoroughly be rinsed, and the time is long more, firm more, and membrane resistance is increasing, and the position that current natural selection resistance is little is passed through, and the surface area of filter element can not be fully used, institute so that the cycle of operation very short.
The utility model content
The utility model provides a kind of powdered resin precoat filter, can solve the operating cost that prior art exists too high, change too short problem of film cycle.
For solving the problems of the technologies described above, the utility model is achieved by the following technical solutions:
A kind of powdered resin precoat filter, comprise that global shape is the apparatus body of tubular, be provided with the filter chamber in its tubular inner space, some filter elements vertically are installed in the filter chamber, apparatus body is fixed in by the filter element support in the filter element upper end, this equipment diaphragm is fixed and is piercing in the filter element lower end by equipment diaphragm, the upper space of described filter chamber is the maintenance chamber, top, maintenance chamber is provided with manhole, the bottom of apparatus body is provided with water inlet and delivery port, the apparatus body bottom is provided with supporting leg, and the lower space of described filter chamber is made as air chamber and hydroecium successively, and the sidewall of described air chamber is provided with air inlet and drain port.
The present invention sets up the space as air chamber and hydroecium by the bottom in the filter chamber, according to the needs of quick-fried film: provide enough water as quick-fried film medium in moment of quick-fried film by hydroecium; Provide enough energy by the air chamber dilatation, increase roof pressure compressed air inlet port and drain port at air chamber.Like this, make towards membrane process and change to real once quick-fried film, coverlay can not cause residual because energy does not reach, and once quick-fried film is thorough, makes the surface area of filter element be fully used, and the cycle of operation prolongs, and has prolonged and has changed the film cycle, has reduced operating cost.
The effect of wherein each parts:
Apparatus body is as the filter element container;
Equipment diaphragm is used for the filter element installation and condensate water is handled the front and back dividing plate;
The manhole at maintenance top, chamber is used for overhaul of the equipments;
The water inlet of apparatus body bottom is used for operation water inlet, quick-fried film pressure release, equipment emptying;
Delivery port is used to move delivery port, equipment emptying, backwash water inlet;
Supporting leg is used for fastening body and operation loading;
Filter element is a filter element.
Pneumostome is used for exhaust, air inlet, inflation roof pressure;
Air inlet is used to inflate roof pressure;
Drain port is used for hydrophobic.
Further, the sidewall of described maintenance chamber is provided with drain port, and the top of maintenance chamber is provided with pneumostome and is used to inflate roof pressure.
Increase drain port at maintenance top, chamber and, adopt quick-fried film double-direction relief technology, reduce quick-fried film impact endurance test shock as the pneumostome of compressed air roof pressure air inlet.
Further, for the ease of observing the situation in the filter chamber, be provided with a peep-hole on the sidewall of described filter chamber at least, decide according to concrete needs the number of peep-hole and position.
According to the above-mentioned improvement of equipment, it is suitable with it to revise quick-fried membrane operations process.
Be example explanation design principle with the powdered resin precoat filter that adapts to 330MW air cooled generator group below.
1, technical parameter
402 of operating pressure 3.2MPa filter element radicals
The long 170cm of design pressure 4.0MPa filter element specification, diameter 50cm
Test pressure 4.1MPa filter element gross area 110m
2
60 ℃ of operations of running temperature flow velocity 8m/h
85 ℃ of Peak Flow Rate 10m/h of design temperature
The quick-fried film gas of body material 20G 0.35-0.45MPa
The quick-fried film acceleration of filter element skeleton 304ss 18-19m/s
2
The quick-fried film-strength 15-16L/m of coiling material polypropylene fibre
2* s* water
Design rating 880m
3The quick-fried film momentum of/h 279-309kg*m/m
2* s
3
EIAJ 1100m
3The quick-fried film flow of/h 6027-6336m
3/ h
2, first before quick-fried film the water in the air chamber is discharged by drain valve by drain port with the water in the compressed air roof pressure displaced air chamber, and compressed air continues to boost to quick-fried film pressure, for example 0.35-0.45Mpa.
3, quick-fried film water flow acceleration
Acceleration
In the formula: f is a resistance coefficient, determines according to quick-fried film pressure release water velocity and quick-fried film SR;
G is acceleration of gravity 9.8m/s
2
T is the time that quick-fried film continues, i.e. the time of pressure relief valve unlatching.
If relief pipeline adopts DN350, water velocity is 26.19m/s, and quick-fried film SR is 10.8m (comprising hydroecium, filter element skeleton, filter element outside tank body internal resistance, threeway and pressure relief valve).Get resistance coefficient f=1-10.8/35=0.7.
If the pressure relief valve opening time is 1 second (Pneumatic butterfly valve), can calculate quick-fried film acceleration: jv=0.7 * 26.19m/s/1s=18.33m/s
2
Quick-fried film acceleration (the different drag losseses of flow velocity are also different) when being 0.45Mpa with same calculation procedure calculating pneumatic jack pressure:
jv＝0.65×29.7m/s/1s＝19.31m/s
2。
4, quick-fried film-strength is calculated
The flow of the quick-fried film medium water of quick-fried film moment (1s) (pneumatic jack is pressed 0.35Mpa):
18.33m/s
2x1s×0.0913m
2＝1.674m
3/s＝1674L/s。
In the formula: 0.0913m
2It is the basal area of DN350 relief pipeline.
Quick-fried film-strength=1674L/s/110m
2=15.22L/s*m
2
Quick-fried film-strength when the calculating pneumatic jack that uses the same method is pressed to 0.45Mpa:
19.31m/s
2x1s×0.0913m
2/110m
2＝0.016m
3/s＝16L/s*m
2。
5, quick-fried film flow rate calculation
Quick-fried film flow when calculating pneumatic jack pressure 0.35Mpa and 0.45Mpa respectively according to quick-fried film-strength:
Q0.35＝15.22L/s*m
2x110m
2x?3600s/h＝6027120L/h＝6027.12m
3/h
Q0.45＝16L/s*m
2×110m
2×3600s/h＝6336000L/h＝6336m
3/h
6, quick-fried film transient energy-momentum calculates
E0.35＝18.33m/s
2×15.22kg/s*m
2＝279kg*m/s
3*m
2
E0.45＝19.31m/s
2×16kg/s*m
2＝309kg*m/s
3*m
2
7, can derive quick-fried film power according to quick-fried film momentum
Can set the quick-fried film time is 1 second, and degree of will speed up, working medium were taken advantage of respectively 1 second, multiply by the gross area of quick-fried film again, just can draw quick-fried film general power:
N0.35＝18.33m/s×15.22kg/m
2×110m
2＝30690kg*m/s
N0.45＝19.31m/s×16kg/m
2×110m
2＝33990kg*m/s
In order to distinguish convenient, again divided by 102kg*m/kw, multiply by 3600s/h, get kw/h:
N0.35＝30690kg*m/s÷102kg*m/kw×3600s/h＝1083176.47kw/h
N0.45＝33990kg*m/s÷102kg*m/kw×3600s/h＝1199647.6kw/h
The power that can show quick-fried film thus.
8, hydroecium volume calculations
Setting quick-fried film moment is 1s, and pneumatic jack is pressed and is respectively 0.35Mpa and 0.45Mpa, and the flow of quick-fried film medium water is:
q0.35＝18.33m/s
2×1s×0.0913m
2＝1.674m
3/s
q0.45＝19.31m/s
2×1s×0.0913m
2＝1.763m
3/s
The water capacity that stores in 402 filter element skeletons is 0.28m
3,
Other increases hydroecium volume 1.5m
3,
Two add up to V=1.5m
3+ 0.28m
3=1.78m
3, can satisfy quick-fried film water consumption.
9, air chamber volume calculations
Pressure release, quick-fried film, draining, the volume of compressed air dilatation must be satisfied the displacement volume and require:
Quick-fried film pressure release is because resistance, and the pressure in the tank body can not drop to zero pressure moment (1s), according to the calculating of pressure release resistance of water drainage, and the back pressure of the rarest 0.108Mpa in the tank body, according to gas equation under the constant temperature:
P
1V
1=P
2V
2That is: 0.35V
1=0.108 (V
1+ 1.78),
Then: V
1=(0.108 * 1.78)/(0.35-0.108)=0.79m
3
In design, get 1.0m
3, can satisfy quick-fried membrane process needs.
Five, quick-fried film influence factor
1, the quick-fried film relief valve opening time short more, quick-fried film acceleration is fast more;
2, quick-fried film SR is more little, and quick-fried film acceleration is fast more;
3, quick-fried film acceleration is fast more, and quick-fried film medium flow velocity is big more, and quick-fried film energy is many more, and quick-fried film backwash rate is big more;
4, quick-fried film medium quality is big more, and quick-fried film momentum is big more, and quick-fried film power is big more, and quick-fried film is thorough more;
5, quick-fried film medium two-way flow can reduce quick-fried film vibrations.
Six, quick-fried membrane operations program
1, out of service before the quick-fried film, with all gateway valve Close Alls;
2, open air chamber intake valve and pneumostome intake valve, advance compressed air pressure charging, open air chamber drain valve and maintenance chamber drain valve simultaneously, carry out hydrophobic.
3, behind hydrophobic the finishing hydrophobic valve is closed, compressed air continues pressurising to 0.35-0.45Mpa, and pressurising finishes, and charging valve is closed.
4, the position of pressurising and drain port can guarantee not ingress of air of filter element, pressurising and hydrophobic after, equipment remains static fully.
5, open bottom exhaust-valve and top exhaust-valve fast and carry out the quick-fried film of double-direction relief, and with the quick-fried film waste water emptying in the tank body.
6, after the equipment emptying, wash, and check whether residual coverlay material is arranged with flush water pump.
7,, adopt powdex, powdex and fiber powder composite material or fiber dust to lay new film again respectively according to generating set operation phase and needs.The shop membrane process is identical with former technology.
Description of drawings
Fig. 1 be powdex described in the utility model partly cut open structural representation;
Symbol among the figure and explanation thereof:
1, apparatus body; 11, filter chamber; 111, filter element; 112, filter element support; 113, equipment diaphragm; 12, maintenance chamber; 121, manhole; 122, pneumostome; 123, drain port; 13, air chamber; 131, air inlet; 132, drain port; 14, hydroecium; 15, water inlet; 16, delivery port; 17, supporting leg; 18, peep-hole.
The specific embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1, a kind of powdered resin precoat filter, comprise that global shape is the apparatus body 1 of tubular, be provided with filter chamber 11 in its tubular inner space, some filter elements 111 vertically are installed in the filter chamber 11, apparatus body 1 is fixed in by filter element support 112 in filter element 111 upper ends, this equipment diaphragm 113 is fixed and be piercing in filter element 111 lower ends by equipment diaphragm 113, the upper space of filter chamber 11 is maintenance chamber 12,12 tops, maintenance chamber are provided with manhole 121, the bottom of apparatus body 1 is provided with water inlet 15 and delivery port 16, apparatus body 1 bottom is provided with supporting leg 17, the lower space of filter chamber 11 is made as air chamber 13 and hydroecium 14 successively, and the sidewall of air chamber 13 is provided with air inlet 131 and drain port 132.
By on traditional powdered resin precoat filter basis, increasing air chamber 13 and hydroecium 14, provide enough water as quick-fried film medium by hydroecium 14 in moment of quick-fried film; Provide enough energy by air chamber 13 dilatations, increase roof pressure compressed air inlet port 131 and drain port 132 at air chamber 13.Like this, change real once quick-fried film into towards membrane process, the powdex coverlay can be not residual because energy does not reach, and once quick-fried film is thorough, makes the surface area of filter element be fully used, and the cycle of operation prolongs, and has prolonged and has changed the film cycle, has reduced operating cost.
In order to reduce quick-fried film impact endurance test shock, it is hydrophobic 123 that the sidewall of maintenance chamber 12 is provided with, and the top of maintenance chamber 12 is provided with pneumostome 122.Increase drain port 123 at maintenance 12 tops, chamber and, adopt quick-fried film double-direction relief technology as the pneumostome 122 of compressed air roof pressure air inlet.
For the ease of observing the situation in the filter chamber 11, be provided with a peep-hole 18 on the sidewall of filter chamber 11 at least, decide according to concrete needs the number of peep-hole 18 and position.
According to the above-mentioned improvement of equipment, it is suitable with it to revise quick-fried membrane operations process.Quick-fried membrane operations program:
1, out of service before the quick-fried film, with all gateway valve Close Alls;
2, open air chamber air inlet 131 and pneumostome 122, advance compressed air pressure charging, open air chamber drain port 123 and maintenance chamber drain port 132 simultaneously, carry out hydrophobic.
3, behind hydrophobic the finishing drain port 123,132 is closed, compressed air continues pressurising to 0.35-0.45Mpa, and pressurising finishes, and charging valve is closed.
4, the position of pressurising and drain port can guarantee not ingress of air of filter element 111, pressurising and hydrophobic after, equipment remains static fully.
5, open the relief valve of bottom water inlet 15 and the relief valve of top pneumostome 122 fast and carry out the quick-fried film of double-direction relief, and with the quick-fried film waste water emptying in the tank body.
6, after the equipment emptying, carry out backwash, and check whether residual coverlay material is arranged by bottom delivery port 16 usefulness flush water pumps.
According to generating set operation phase and needs, can adopt powdex, powdex and fiber powder composite material or fiber dust to lay new film again respectively.The shop membrane process is identical with former technology.
Certainly; above-mentioned explanation is not to be to restriction of the present utility model; the utility model also is not limited in above-mentioned giving an example, and variation, remodeling, interpolation or replacement that those skilled in the art are made in essential scope of the present utility model also should belong to protection domain of the present utility model.
Claims (3)
1. powdered resin precoat filter, comprise that global shape is the apparatus body of tubular, be provided with the filter chamber in its tubular inner space, some filter elements vertically are installed in the filter chamber, apparatus body is fixed in by the filter element support in the filter element upper end, this equipment diaphragm is fixed and is piercing in the filter element lower end by equipment diaphragm, the upper space of described filter chamber is the maintenance chamber, top, maintenance chamber is provided with manhole, the bottom of apparatus body is provided with water inlet and delivery port, the apparatus body bottom is provided with supporting leg, and it is characterized in that: the lower space of described filter chamber is made as air chamber and hydroecium successively, and the sidewall of described air chamber is provided with air inlet and drain port.
2. powdered resin precoat filter according to claim 1 is characterized in that: the sidewall of described maintenance chamber is provided with drain port, and the top of maintenance chamber is provided with pneumostome and is used to inflate roof pressure.
3. powdered resin precoat filter according to claim 1 and 2 is characterized in that: be provided with a peep-hole on the sidewall of described filter chamber at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202153047U CN201692720U (en) | 2010-05-29 | 2010-05-29 | Powdered resin covered filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202153047U CN201692720U (en) | 2010-05-29 | 2010-05-29 | Powdered resin covered filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201692720U true CN201692720U (en) | 2011-01-05 |
Family
ID=43393965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202153047U Expired - Lifetime CN201692720U (en) | 2010-05-29 | 2010-05-29 | Powdered resin covered filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201692720U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151429A (en) * | 2011-01-20 | 2011-08-17 | 西安热工研究院有限公司 | Granular resin film laying method and resin recovery device |
| CN102921207A (en) * | 2012-11-09 | 2013-02-13 | 无锡电站辅机厂 | Powdered resin covered filter |
-
2010
- 2010-05-29 CN CN2010202153047U patent/CN201692720U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102151429A (en) * | 2011-01-20 | 2011-08-17 | 西安热工研究院有限公司 | Granular resin film laying method and resin recovery device |
| CN102921207A (en) * | 2012-11-09 | 2013-02-13 | 无锡电站辅机厂 | Powdered resin covered filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: QINGDAO TIANLAN ENVIRONMENT CO., LTD. Free format text: FORMER OWNER: QINGDAO TIANLAN ENVIRONMENT ENGINEERING CO., LTD. Effective date: 20131230 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 266100 QINGDAO, SHANDONG PROVINCE TO: 266216 QINGDAO, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20131230 Address after: 266216 Shandong province Qingdao Jimo provincial high tech Industrial Development Zone Innovation two road Patentee after: Qingdao Tianlan Environment Co., Ltd. Address before: Haier Road East diendi Fortune Tower in Laoshan District 266100 Shandong city of Qingdao province 1511 Patentee before: Qingdao Tianlan Environment Engineering Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110105 |
|
| CX01 | Expiry of patent term |