CN202054679U - Filtering system for recycling condensing water of steam boiler - Google Patents
Filtering system for recycling condensing water of steam boiler Download PDFInfo
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- CN202054679U CN202054679U CN2011201483097U CN201120148309U CN202054679U CN 202054679 U CN202054679 U CN 202054679U CN 2011201483097 U CN2011201483097 U CN 2011201483097U CN 201120148309 U CN201120148309 U CN 201120148309U CN 202054679 U CN202054679 U CN 202054679U
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Abstract
A filtering system for recycling condensing water of a steam boiler comprises a control system, a filtering system and a back wash system, wherein the control system controls the work of system electrical components, and the filtering system comprises a water collecting box, an iron remover and a deaerator. A water outlet of the water collecting box is connected with an inlet of the iron remover through a filter, a sedimentation tank is arranged in the water collecting box, and the bottom of the water collecting box is provided with a water discharging port. A filter material layer is arranged in the iron remover, the tank top of the iron remover is provided with a pressure releasing port, and a water outlet pipeline of the bottom of the iron remover is connected with an inlet of the deaerator through a filter. An outlet of the deaerator is connected with an inlet of a steam boiler water feeding box. The back wash system comprises a group of compressed air pipelines evenly distributed at the bottom of the iron remover, and an air source distributor and an air compressor are sequentially arranged in air inlet pipelines of the compressed air pipelines. Air inlet valves are positioned between the air source distributor and all the compressed air pipelines, and simultaneously softened water pipelines of an existing boiler water treatment system are in parallel connection with outlet pipelines of the water collecting box. The filtering system for recycling the condensing water of the steam boiler can effectively resolve the quality problem of the steam boiler condensing water.
Description
Technical field
The utility model belongs to the boiler energy-saving emission-reduction technical field, relates in particular to the filtering system of a kind of steam boiler water of condensation reuse.
Background technology
China is the country of a shortage of water resources, along with The development in society and economy, water consumption is in continuous sustainable growth, appeal whole society's water saving, efficient water is a fundamental way of alleviating the water resources imbalance between supply and demand, the water consumption of steam boiler in the industrial sector and the people's livelihood is very big, its characteristic produces steam by evaporation of water exactly, utilizing the heat energy of steam to produce with heat exchange again handles, if water vapour is after use, after reclaiming, condensation pipe utilizes again, not only can save certain water consumption, the more important thing is and also reclaimed heat energy simultaneously, the water of condensation of steam boiler almost is a pure water, at least temperature is all more than 40 degrees centigrade, and reuse is worth very high, also will be per ton more than 10 yuan if only calculate the reuse value of water, consider different fuel forms again, the temperature that water of condensation reclaims, factors such as regional disparity, the reuse of water of condensation are worth may be up to 20 yuan to about 30 yuan/ton; Therefore, reclaim water of condensation and be the general orientation that meets " cleaner production, energy-saving and emission-reduction " that government advocates, also can make enterprise obtain better economic benefit, really realize the purpose of the construction conservation-minded society that government advocates; In the prior art, the filtering system that recycle-water is used generally all is made up of Controlling System, filtering system and back-purge system, and is just each has something to recommend him.Having demanded better recovery water of condensation scheme urgently occurs.
Summary of the invention
The purpose of this utility model provides the filtering system of a kind of steam boiler water of condensation reuse, can effectively solve the water of condensation quality problem of steam boiler reuse.
For achieving the above object, the utility model is taked following design:
The filtering system of a kind of steam boiler water of condensation reuse is made up of Controlling System, filtering system and back-purge system, and wherein, Controlling System is implemented control to the work of machine system electric component;
Described filtering system includes-header tank, a tramp iron separator and a deoxygenator; Wherein, the condensed water discharge outlet of steam boiler is connected to the water-in of this header tank; The water outlet process filter of header tank is connected to the inlet of tramp iron separator, and the header tank case backs down establishes gas circuit row mouth, and this gas circuit row mouth directly connects sewer line, has settling tank in this header tank, has the water port that control valve is controlled in the bottom of header tank; Be provided with one group of filter material layer in tramp iron separator, the tank deck of tramp iron separator is provided with the row pressure mouth, and this row pressure mouth directly is connected to blow-off line, and the bottom of tramp iron separator is provided with water outlet, and this water outlet pipeline is connected to the import of deoxygenator through filter; Described deoxygenator tube wall upper end sets out mouth, and this outlet is connected to the inlet of steam boiler feed-tank by pipeline;
Described back-purge system is included in one group of uniform compressed-air line of bottom of tramp iron separator, in the admission passage of this group compressed-air line, set gradually a source of the gas divider and an air compressor machine that is used to adjust to tolerance, between source of the gas divider and each bar compressed-air line, be equipped with intake valve, simultaneously with the header tank export pipeline and connect the softening water pipeline of former boiler water processing system.
The one group of filter material layer that is provided with in tramp iron separator is a porous ceramic filter material layer.
Described settling tank is positioned at the header tank inner bottom part, and it is suitable for reading big, young tapered down that the bottom room of settling tank is.
Water level in the described header tank adopts float-type liquid level controller control.
Offer a bypass on the suction culvert of header tank, this bypass is connected to blow-off line through upflow tube.
The utility model is to develop for the water of condensation quality problem that solves the steam boiler reuse, promptly can remove iron ion, jelly, suspended substance and fine particle in the condensate return, makes the water quality after the filtration reach the boiler feed water requirement; Shortcomings such as the backwash water amount that also will overcome traditional deironing apparatus is big, backwashing period weak point, filtrate leachable content height make steam boiler condensate return filtering system reach the working condition requirement.
The utility model has the advantages that:
1, processing accuracy height: native system is by the effect of structure design and porous ceramic filter material, the filtering accuracy height, and in the water of condensation deironing was used, the content that filters iron ion in the water of back can reach below the 0.05ppm;
2, operation energy consumption is low: native system is that normal pressure filters, and only needs 0.5 meter waterhead to get final product work;
3, stable effluent quality: general pressure filter all has certain limitation to the turbidity of water inlet, and native system is because of the advantage of filtration mechanism and the high dirt content of filtrate, the shock resistance of system is strong, can accomplish under the situation that former water suspension alters a great deal, also only filter and to keep the stable of filtering accuracy with single-stage, and after each backwash in the works better ten minutes the water outlet iron ion content just can drop to 0.05ppm, and in filtration cycle, remain;
4, reduce production costs: the water of condensation of steam boiler almost is a pure water, at least temperature is all more than 40 degrees centigrade, reuse is worth very high, also will be more than 10 yuan if only calculate the reuse value of water per ton, consider factors such as temperature that different fuel forms, water of condensation reclaim, regional disparity again, the reuse of water of condensation is worth may be up to 20 yuan to about 30 yuan/ton;
5, retaining power is big, and filtration cycle is long;
6, backwash effect is good, and water loss is low.
Description of drawings
Fig. 1 is that the filtering system of the utility model steam boiler water of condensation reuse is formed synoptic diagram.
Below in conjunction with drawings and the specific embodiments the utility model is described in further details.
Embodiment
Consult shown in Figure 1ly, the filtering system of the utility model steam boiler water of condensation reuse is made up of Controlling System, filtering system and back-purge system.
Described Controlling System can be implemented control to the work of machine system electric component, and it is a prior art, does not give unnecessary details herein.
As shown in fig. 1, described filtering system includes a header tank 1, a tramp iron separator 3 and a deoxygenator 4.
The water of condensation that described header tank 1 is used for that steam boiler is discharged is assembled and is carried out preliminary precipitation impurity elimination, and it is provided with water-in 11, water outlet 12, water port 14 and gas circuit row mouth 13.The condensed water discharge outlet 8 of steam boiler is connected to the water-in 11 of this header tank, the water outlet 12 of header tank is connected to the inlet 31 of tramp iron separator through filter 10, the case of header tank backs down establishes gas circuit row mouth 13, this gas circuit row mouth 13 directly connects sewer line 7, have settling tank in this header tank, have the water port 14 of control valve control in the bottom of header tank, it regularly drains into blow-off line with the sewage of the beds of precipitation by control valve.Described header tank is designed to cylindrical box more, described header tank inner bottom part is established settling tank, and it is suitable for reading big, young tapered for good down that the bottom room of settling tank is, and comes water along the tank wall water distribution, make water in case, be rotating state, help arranging sewer line 7 behind the contamination precipitation.
In header tank, can adopt float-type liquid level controller control water level, and liquidometer 15 monitorings are installed.Also can offer a bypass 15 on the suction culvert of header tank, this bypass is connected to blow-off line 7 through upflow tube, is used for the water of header tank when full, and directly water enters blow-off line 7 in the future.
Described tramp iron separator 3 is used for removing the irony of anhydrating, and it is provided with water-in 31, water outlet 32 and row pressure mouth 33.Be provided with one group of filter material layer in this tramp iron separator, the utility model one preferable design is the filter material layer of the porous ceramics that is provided with in tramp iron separator, and certainly, other filter material layer is not also limit.The row pressure mouth 33 that is provided with at the tank deck of tramp iron separator can directly be connected to blow-off line 7.And be provided with the tensimeter 34 of monitoring tramp iron separator internal pressure.The bottom of tramp iron separator is provided with water outlet 32, handles back water by tramp iron separator 3 and discharges through this water outlet 32, inserts the import 41 of deoxygenator again through filter 20.
Described deoxygenator 4 can be removed oxygen and other incondensable gas in the oiler feed, to guarantee the quality of feedwater.This deoxygenator has an import 41, and deoxygenator tube wall upper end sets out mouth 42, and this outlet 42 connects the feed-tank that enters steam boiler by pipeline.
The back-purge system of the filtering system of the utility model steam boiler water of condensation reuse comprises that one group is being adopted 3 among the embodiment shown in the uniform compressed-air line 30(figure in the bottom of tramp iron separator), in the admission passage of this group compressed-air line, set gradually a source of the gas divider 2 and an air compressor machine 6 that is used to adjust to tolerance, be equipped with intake valve 5 at source of the gas divider 2 and 30 of each bar compressed-air lines.And with former boiler water processing system softening water pipeline 9 and receive on the header tank export pipeline.
Work characteristics of the present utility model is:
1, has high deferrization rate: because condensate system working condition complexity, the backwater iron ion content changes greatly, filtration unit requires to the iron ion in the backwater higher extrusion rate to be arranged, the utility model adopts the porous ceramic filter material layer can adapt to the high requirement of dynamic wide variation, filtering accuracy of iron level, the water outlet iron ion content satisfies the water requirement of high, medium and low voltage boiler less than 0.05mg/L.
2, do not change water hardness: because of characteristics such as the high temperature of steam boiler condensate system, high cleanlinesses, general traditional filtrate can increase the electric conductivity (comprising hardness) in the water in the case, do not meet the particular requirement of boiler feed water, so, the utility model adopts new sintering filtrate, when guaranteeing treatment effect, can not increase the electric conductivity (comprising hardness) for the treatment of water.
3, low backwash frequency: because of the backwashing water of filtering system can not use tap water, and the amount of harnessing the river of the softened water equipment of boiler is limited, must take backwash form efficiently in the new system, reduce backwash volume significantly, increase the effective filtration area of filtrate simultaneously, prolong the backwash cycle, reach only use a small amount of softening water flushing perfect condition (when condition does not allow, also can adopt condensation recycle-water to be filtered), can guarantee system's works better.
4, little floor space: water of condensation reclaims problematic unit now, adopt schemes such as transformation project mostly, be subjected to the site condition restriction very big, therefore, native system can adopt the mode of modular combination, per hour 0.1 ton to hundreds of ton all can, floor space is littler than legacy equipment, and according to practical situation design system form separately.
The various embodiments described above can not break away under the scope of the present utility model in addition some variations, thus above explanation comprises and accompanying drawing shown in structure should be considered as exemplary, but not in order to limit the protection domain that the utility model is applied for a patent.
Claims (5)
1. the filtering system of steam boiler water of condensation reuse is made up of Controlling System, filtering system and back-purge system, and wherein, Controlling System is implemented control to the work of machine system electric component; It is characterized in that:
Described filtering system includes-header tank, a tramp iron separator and a deoxygenator; Wherein, the condensed water discharge outlet of steam boiler is connected to the water-in of this header tank; The water outlet process filter of header tank is connected to the inlet of tramp iron separator, and the header tank case backs down establishes gas circuit row mouth, and this gas circuit row mouth directly connects sewer line, has settling tank in this header tank, has the water port that control valve is controlled in the bottom of header tank; Be provided with one group of filter material layer in tramp iron separator, the tank deck of tramp iron separator is provided with the row pressure mouth, and this row pressure mouth directly is connected to blow-off line, and the bottom of tramp iron separator is provided with water outlet, and this water outlet pipeline is connected to the import of deoxygenator through filter; Described deoxygenator tube wall upper end sets out mouth, and this outlet is connected to the inlet of steam boiler feed-tank by pipeline;
Described back-purge system is included in one group of uniform compressed-air line of bottom of tramp iron separator, in the admission passage of this group compressed-air line, set gradually a source of the gas divider and an air compressor machine that is used to adjust to tolerance, between source of the gas divider and each bar compressed-air line, be equipped with intake valve, simultaneously with the header tank export pipeline and connect the softening water pipeline of former boiler water processing system.
2. the filtering system of steam boiler water of condensation according to claim 1 reuse is characterized in that: the one group of filter material layer that is provided with in tramp iron separator is a porous ceramic filter material layer.
3. the filtering system of steam boiler water of condensation according to claim 1 reuse is characterized in that: described settling tank is positioned at the header tank inner bottom part, and the bottom room of settling tank is big, following young awl or frustum type suitable for reading.
4. the filtering system of steam boiler water of condensation according to claim 1 reuse is characterized in that: the water level in the described header tank adopts float-type liquid level controller control.
5. the filtering system of steam boiler water of condensation according to claim 1 reuse is characterized in that: offer a bypass on the suction culvert of header tank, this bypass is connected to blow-off line through upflow tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201483097U CN202054679U (en) | 2011-05-11 | 2011-05-11 | Filtering system for recycling condensing water of steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201483097U CN202054679U (en) | 2011-05-11 | 2011-05-11 | Filtering system for recycling condensing water of steam boiler |
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| CN202054679U true CN202054679U (en) | 2011-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011201483097U Expired - Fee Related CN202054679U (en) | 2011-05-11 | 2011-05-11 | Filtering system for recycling condensing water of steam boiler |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085942A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Primary deoxidizing device for performing indirect heat exchange on condensed water and desalted water and recovering exhaust steam |
| CN104085938A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Condensate water and demineralized water indirect heat-exchange forced-mixing one-stage deoxygenization apparatus |
| CN104089272A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Two-stage deoxidized exhaust steam condensing device for heat-exchange mixed exhaust steam recovery of condensate water and desalted water |
| CN104085939A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Condensate water and demineralized water exhaust-steam recovery one-stage deoxygenization apparatus |
| CN105371268A (en) * | 2015-12-14 | 2016-03-02 | 广汉市迈德乐食品有限公司 | Process for comprehensively recovering heat energy and exchanging heat |
-
2011
- 2011-05-11 CN CN2011201483097U patent/CN202054679U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104085942A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Primary deoxidizing device for performing indirect heat exchange on condensed water and desalted water and recovering exhaust steam |
| CN104085938A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Condensate water and demineralized water indirect heat-exchange forced-mixing one-stage deoxygenization apparatus |
| CN104089272A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Two-stage deoxidized exhaust steam condensing device for heat-exchange mixed exhaust steam recovery of condensate water and desalted water |
| CN104085939A (en) * | 2014-06-13 | 2014-10-08 | 云南能投有能科技股份有限公司 | Condensate water and demineralized water exhaust-steam recovery one-stage deoxygenization apparatus |
| CN104085942B (en) * | 2014-06-13 | 2016-01-13 | 云南能投有能科技股份有限公司 | One-level de-aerator plant is reclaimed in the exhaust steam of water of condensation de-mineralized water indirect heat exchange |
| CN104085938B (en) * | 2014-06-13 | 2016-05-11 | 云南能投有能科技股份有限公司 | Condensed water demineralized water indirect heat exchange Forced Mixing one-level deaerating plant |
| CN104085939B (en) * | 2014-06-13 | 2016-05-11 | 云南能投有能科技股份有限公司 | One-level deaerating plant is reclaimed in the exhaust steam of condensed water demineralized water |
| CN105371268A (en) * | 2015-12-14 | 2016-03-02 | 广汉市迈德乐食品有限公司 | Process for comprehensively recovering heat energy and exchanging heat |
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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: 20111130 Termination date: 20170511 |