CN204364979U - Thermal power plant's cooling-tower circulating water filter plant - Google Patents
Thermal power plant's cooling-tower circulating water filter plant Download PDFInfo
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- CN204364979U CN204364979U CN201420848669.1U CN201420848669U CN204364979U CN 204364979 U CN204364979 U CN 204364979U CN 201420848669 U CN201420848669 U CN 201420848669U CN 204364979 U CN204364979 U CN 204364979U
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- plant
- cooling
- thermal power
- filter screen
- circulating water
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Abstract
The utility model relates to thermal power plant's cooling-tower circulating water filter plant.Of the present utility modelly be intended to the halfway problem of filtration devices effect of the prior art.The utility model is nested to be arranged on filter pipe, comprise framework and be arranged on the filter screen in framework, be also provided with blanket net in the bottom of described supporting network, the cross section of described blanket net is L-type, long limit and the described supporting network of this cross section are fixed, and bond length is 10 ~ 15cm.The beneficial effects of the utility model are: do not change original plate filter screen flow area and structure, do not affect water (flow) direction; Only increase horizontal filter screen in bottom, former design cooling tower water flow can not be affected; During filter screen of slinging cleaning foreign material, the foreign material that come off by the horizontal filter screen pocket of bottom, and can not fall in current, clear foreign material are effective; Maintenance is little, simple, convenient.
Description
Technical field
The utility model relates to a kind of filter of cooling water, particularly a kind of thermal power plant cooling-tower circulating water filter plant.
Background technology
In thermal power plant, in order to energy-saving and emission-reduction, the water outlet of cooling tower often can utilize by secondary, that is, the cooling water after once having cooled, after cooling tower cools naturally, often can again come into operation again, mostly prior art is cooling water to import in cooling bay, through water circulating pump continuous drawing, recycles and so forth.The cooling tower of present thermal power plant all adopts hyperbola profile, and turriform is higher.Due to upper and lower air pressure difference, just there is wind to enter at the bottom of tower, flow out from tower top.Got in the middle part of water tower by hot water out from steam turbine generator condenser and be injected into drops, water droplet falls, and cold wind rises, thus cool hot water, cooled water droplet drops in the pond at the bottom of tower and regains, and again squeezes into the condenser of steam turbine generator, continues circulation.In this process, have the foreign material such as tiny suspension unavoidably, enter with the wind in pond of cooling tower at the bottom of tower, and the existence of these foreign material has influence on the heat transfer effect of recirculated water to condenser.
So, person skilled is in order to prevent suspension, the road that water body in the open flows through has installed plate filter screen additional, dull and stereotyped grid filter screen vertically assigns the equipment being used for stopping, tackling suspension (as vegetation, rubbish and fibrous material etc.) tiny in water in water channel, realizes the object alleviating follow-up work processing load.
In thermal power plant, prior art plate filter screen is a flat screen, by using the object reaching foreign material in water, but, the process of foreign material on cleaning filter screen, normally hang out filter screen then to clean, when in hoisting process, foreign material on some filter screens come off and fall in the water of flowing, are flushed to condenser by current, because heat exchange tube of condenser diameter is less, still easily block heat exchange tube of condenser, can not clean in unit running process, have a strong impact on condenser heat exchange, affect economy of power plant benefit.
Summary of the invention
The purpose of this utility model is exactly to solve the halfway problem of filtration devices effect of the prior art.
The present invention thoroughly solves in the online foreign material process of cleaning, prevents foreign material from coming off and falls in the water of flowing, cause the problem of recirculated water secondary pollution.
Concrete scheme of the present utility model is:
A kind of thermal power plant filter plant used for cooling tower, nestedly be arranged on filter pipe, comprise framework, be arranged on supporting network in framework and attachment and be arranged on filter screen on supporting network, also blanket net is provided with in the bottom of described supporting network, the cross section of described blanket net is L-type, the long edge lengths of this cross section is 20 ~ 40cm, fixes with described supporting network, and its bond length is 10 ~ 15cm.
Preferably, the utility model also comprises support bar, and the two ends of this support bar are separately fixed on described long limit and supporting network.The utility model also comprises the hanger be arranged on framework, and this hanger is arranged on the side of described framework towards described blanket net.
Or, described support bar arranges hanger.
Preferably, be connected for track is secondary between described filter plant with described filter pipe.
Preferably, also comprise the interrupted oscillating device be arranged on filter pipe side, this interrupted oscillating device comprises the main shaft with power source, driven by main shaft rotate, relative to spindle axis move axially ratchet and two ends respectively with the spring that described main shaft and ratchet are fixing, the face that described ratchet contacts with described framework is cambered surface.
Preferably, the mesh size of described filter screen is 5 ~ 10mm, and the mesh size of described supporting network is 5 ~ 10cm.
The beneficial effects of the utility model are:
1) do not change original plate filter screen flow area and structure, do not affect water (flow) direction.
2) only increase horizontal filter screen in bottom, former design cooling tower water flow can not be affected.
3), during filter screen of slinging cleaning foreign material, the foreign material that come off by the horizontal filter screen pocket of bottom, and can not fall in current, clear foreign material are effective.
4) maintenance is little, simple, convenient.
Accompanying drawing explanation
Fig. 1 is that the utility model axle surveys direction structure schematic diagram;
Fig. 2 is that another embodiment axle of the utility model surveys direction structure schematic diagram;
Fig. 3 is the structural representation that in the utility model Fig. 2, another axle of embodiment surveys direction;
Fig. 4 is the structural representation of the main apparent direction of the utility model;
Fig. 5 is the sectional view of the left apparent direction in A face in Fig. 4;
Fig. 6 is the structural representation that the utility model overlooks direction;
Each component names in figure: 1. supporting network; 2. interrupted oscillating device; 3. filter pipe; 4. framework; 5. suspension rod; 6. hanger; 7. blanket net; 21. main shafts; 22. ratchets.
Clear for expressing, remove interrupted oscillating device in Fig. 4.
Detailed description of the invention
Embodiment 1: a kind of thermal power plant filter plant used for cooling tower, see Fig. 1 to Fig. 6, nestedly be arranged on filter pipe 3, comprise framework 4, be arranged on the supporting network 1 in framework 4 and adhere to the filter screen be arranged on supporting network 1, also be provided with blanket net 7 in the bottom of described supporting network 1, the cross section of described blanket net 7 is L-type, and the long edge lengths of this cross section is 20 ~ 40cm, fix with described supporting network 1, its bond length is 10 ~ 15cm.
The utility model also comprises support bar 5, also comprises support bar 5, and the two ends of this support bar 5 are separately fixed on described long limit and supporting network 1.
Also comprise the hanger 6 be arranged on framework 4, and this hanger 6 is arranged on the side of described framework towards described blanket net 4.This structure makes in lifting process, and the center of gravity entirety of filter plant is more stable, prevents the generation toppling over phenomenon because unbalance brings.
For track pair is connected between described filter plant with described filter pipe 3.
Also comprise the interrupted oscillating device 2 be arranged on filter pipe 3 side, this interrupted oscillating device 2 comprises the main shaft 21 with power source, by main shaft 21 drive rotation, relative to spindle axis move axially ratchet 22 and two ends respectively with described main shaft 21 and the fixing spring of ratchet 22, the face that described ratchet 22 contacts with described framework 4 is cambered surface.
In the process that interrupted oscillating device 2 rotates at main shaft 21, be equivalent to intermittent to screen pack to beat, and in the process of beaing, under being conducive to attachment, drop into blanket net 7.Improve filter effect.
The utility model also comprises supporting network 1, and this supporting network 1 is in framework 4, and described filter screen is attached on this supporting network 1, and the mesh size of described filter screen is 5 ~ 10mm, and the mesh size of described supporting network is 5 ~ 10cm.
Filter plant is primarily of compositions such as framework 4, supporting network 1, filter screens, and framework 4 adopts shaped steel assembly welding pattern.Filter screen generally adopts stainless steel wire to be material, and in wire net, tram gathers solid matter row, plain weave.
In the present embodiment, plate filter screen is made into L-type by planar I type, namely install horizontal filter screen bottom plate filter screen additional, become 90 degree of angles with plate filter screen.Bottom level filter screen length is slightly put transient stay slot of going out than former plate filter screen, the wide 300mm of bottom level filter screen, horizontal filter screen edge upwards 100mm, and plate filter screen bottom catches the foreign material fallen as a large string bag.
Embodiment 2: the principle of the present embodiment is with embodiment 1, and concrete difference is as Fig. 2, Fig. 3, described support bar 5 is provided with hanger 6.The hanger 6 of this structure is under water, when specifically using, need Appropriate application lifting rope and electric hoist to complete the process of lifting, but cost reduces further.
Finally it should be noted that, above person is only the utility model part embodiment, and is not used to limit the present invention, and according to structure of the present utility model and feature, the modifications person of forming a little, also should be included within the utility model scope.
Claims (7)
1. thermal power plant's cooling-tower circulating water filter plant, nestedly be arranged on filter pipe (3), comprise framework (4), be arranged on the supporting network (1) in framework (4) and adhere to the filter screen be arranged on supporting network, it is characterized in that: be also provided with blanket net (7) in the bottom of described supporting network (1), the cross section of described blanket net (7) is L-type, the long edge lengths of this cross section is 20 ~ 40cm, and fix with described supporting network (1), its bond length is 10 ~ 15cm.
2. thermal power plant as claimed in claim 1 cooling-tower circulating water filter plant, it is characterized in that: also comprise support bar (5), the two ends of this support bar (5) are separately fixed on described long limit and supporting network.
3. thermal power plant as claimed in claim 2 cooling-tower circulating water filter plant, it is characterized in that: also comprise the hanger (6) be arranged on framework (4), and this hanger (6) is arranged on the side of described framework (4) towards described blanket net (4).
4. thermal power plant as claimed in claim 2 cooling-tower circulating water filter plant, is characterized in that: described support bar (5) is provided with hanger (6).
5. the thermal power plant's cooling-tower circulating water filter plant as described in claim 3 or 4, is characterized in that: for track pair is connected between described filter plant with described filter pipe (3).
6. thermal power plant as claimed in claim 5 cooling-tower circulating water filter plant, it is characterized in that: also comprise the interrupted oscillating device (2) be arranged on filter pipe (3) side, this interrupted oscillating device (2) comprises the main shaft (21) with power source, driven by main shaft (21) rotate, relative to spindle axis move axially ratchet (22) and the spring fixed with described main shaft (21) and ratchet (22) respectively of two ends, the face that described ratchet (22) contacts with described framework (4) is cambered surface.
7. thermal power plant as claimed in claim 6 cooling-tower circulating water filter plant, it is characterized in that: the mesh size of described filter screen is 5 ~ 10mm, the mesh size of described supporting network is 5 ~ 10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848669.1U CN204364979U (en) | 2014-12-29 | 2014-12-29 | Thermal power plant's cooling-tower circulating water filter plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848669.1U CN204364979U (en) | 2014-12-29 | 2014-12-29 | Thermal power plant's cooling-tower circulating water filter plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204364979U true CN204364979U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848669.1U Expired - Fee Related CN204364979U (en) | 2014-12-29 | 2014-12-29 | Thermal power plant's cooling-tower circulating water filter plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204364979U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469438A (en) * | 2017-09-28 | 2017-12-15 | 宜兴市永洁环保设备有限公司 | Net-filter assembly and pickle liquor slag sedimentation basin |
-
2014
- 2014-12-29 CN CN201420848669.1U patent/CN204364979U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469438A (en) * | 2017-09-28 | 2017-12-15 | 宜兴市永洁环保设备有限公司 | Net-filter assembly and pickle liquor slag sedimentation basin |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20171229 |