CN105299434A - Automatic closed water drainage and collection device, use method of automatic closed water drainage and collection device and water drainage system - Google Patents
Automatic closed water drainage and collection device, use method of automatic closed water drainage and collection device and water drainage system Download PDFInfo
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- CN105299434A CN105299434A CN201510798743.2A CN201510798743A CN105299434A CN 105299434 A CN105299434 A CN 105299434A CN 201510798743 A CN201510798743 A CN 201510798743A CN 105299434 A CN105299434 A CN 105299434A
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Abstract
The invention relates to an automatic closed water drainage and collection device which comprises a collection tank. A condensed water drainage dam body is arranged in the collection tank. A collection cavity is defined by the dam body and the inner wall of the collection tank. A water drainage inlet communicated with the collection cavity is formed in the collection tank. A cavity is formed in the dam body. A first air vent communicated with the upper portion of the collection cavity and a second air vent communicated with the upper portion of a condensed water flash tank are formed in the upper portion of the cavity, and a first water opening communicated with the lower portion of the collection cavity and a second water opening communicated with the lower portion of the condensed water flash tank are formed in the bottom. The two air vents and the two water openings are separated through diaphragm valves. A control mechanism for ventilation switching of the first air vent and the second air vent is arranged in the cavity. The invention further relates to a water drainage system with the collection device. By means of the water drainage and collection device, condensed water can be totally recycled, environmental friendliness and use reliability are high, the service life is prolonged effectively, and economic benefits of usage are increased effectively.
Description
Technical field
The present invention relates to the unrestrained water-treatment technology field of steam, be specifically related to a kind of unrestrained water collecting device of enclosed automatically and using method thereof and a kind of unrestrained water system.
Background technique
The basic role of drain valve is discharged as early as possible by the gases such as the water of condensation in vapour system, air and carbon dioxide, prevents the leakage of steam to greatest extent simultaneously.The working principle of drain valve opens valve with hydraulic pressure jack-up to be connected with water outlet by water inlet, water is discharged from water outlet, the water row light such as to only have start to get rid of steam late gate after valve open could close, if have foul to enter in the process of draining, Sealing can be destroyed, spool limitation of activity, valve breaks down, therefore usually before and after drain valve, a cut-off valve is respectively filled, and an installing bypass tube, in case drain valve fault.Therefore drain valve has more shortcomings such as now easily leaking gas, the life-span is short, reliability is not strong at present.
At present, in vapour system, some systems only install drain valve, and after drain valve, water of condensation is directly discharged; After some system drain valves, pipeline is connected to open tank or Recovery with Open-loop is carried out to water of condensation in pond.Its major defect is as follows:
(1) directly discharge or Recovery with Open-loop slattern a large amount of secondary steam and condensed water;
(2) the direct discharge of secondary steam, causes environmental pollution;
(3) open type condensate water collecting system, its water of condensation and atmosphere, need secondary deoxygenation;
(4) steam of drain valve leakage, or directly emit, or cool in water tank, waste energy.
Summary of the invention
The embodiment of the present invention provides a kind of unrestrained water collecting device of enclosed automatically and using method thereof and a kind of unrestrained water system, at least can solve the segmental defect of prior art.
The embodiment of the present invention relates to a kind of unrestrained water collecting device of enclosed automatically, comprise collecting box, be provided with water of condensation in described collecting box to release dam body, surround a collection cavity between described dam body and collecting box inwall, described collecting box is provided with the unrestrained water inlet be communicated with described collection cavity; A chamber is formed in described dam body, described chamber top is provided with the first ventilating hole of being communicated with described collection cavity top and the second ventilating hole for being communicated with water of condensation development unit top, bottom is provided with the first inlet of being communicated with described collection cavity bottom and the second inlet for being communicated with water of condensation development unit bottom, described in ventilating hole described in two and two, inlet is separated by diaphragm valve, is provided with and makes described first ventilating hole and described second ventilating hole switch the control mechanism of ventilating in described chamber.
As one of embodiment, described first ventilating hole and described second ventilating hole are switched by electromagnetic valve ventilates.
As one of embodiment, described control mechanism comprises water-level gauge measuring mechanism, described water-level gauge measuring mechanism and the described solenoid valve interlocked control of measuring water level in described collection cavity.
As one of embodiment, described water-level gauge measuring mechanism is water-level gauge.
Also relate to the using method of the unrestrained water collecting device of enclosed automatically as above in addition, the method is specially: this unrestrained water collecting device is connected unrestrained waterpipe and water of condensation development unit; Set two threshold values of described water-level gauge measuring mechanism, comprise the L1 locating point of low water level and the L2 locating point of high water level, when water of condensation water level in described collection cavity is at L1 locating point, first ventilating hole ventilation described in described electromagnetic valve, when water of condensation water level in described collection cavity arrives L2 locating point, the second ventilating hole ventilation described in described electromagnetic valve.
As one of embodiment, described L1 locating point height is not higher than described first inlet place height.
The embodiment of the present invention relates to a kind of unrestrained water system, comprise unrestrained water pipe and water of condensation development unit, adopt the unrestrained water collecting device of enclosed automatically as above, the unrestrained water inlet of all unrestrained with this water collecting device of each unrestrained waterpipe is communicated with, described second ventilating hole is communicated with described water of condensation development unit top, and described second inlet is communicated with described water of condensation development unit bottom.
As one of embodiment, described water of condensation development unit is provided with steam exhaust-gas mouth, and described steam exhaust-gas mouth is connected to oxygen-eliminating device.
As one of embodiment, described water of condensation development unit is provided with water of condensation outlet, and described water of condensation outlet is connected to heat exchanger.
The embodiment of the present invention at least achieves following beneficial effect: the present invention connects each unrestrained water pipe by unrestrained water collecting device, the unrestrained waterpipe of each vapour system can not install drain valve, the leakage vapour problem avoiding the unreliability due to single drain valve to cause.Control chamber be communicated with collection cavity or be communicated with water of condensation development unit, make diaphragm valve upper chambers space consistent with collection cavity internal pressure, or consistent with water of condensation development unit pressure, be communicated with medium and be steam, without steam leakage when can realize switching.This unrestrained water collecting device can realize whole recovery of water of condensation, environmental protection and operational safety is high, effectively improves working life and uses economic benefit.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the unrestrained water collecting device of automatic enclosed that Fig. 1 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, other embodiments all that those of ordinary skill in the art obtain under the prerequisite not making creative work, belong to the scope of protection of the invention.
embodiment one
As Fig. 1, the embodiment of the present invention provides a kind of unrestrained water collecting device of enclosed automatically, comprise collecting box 1, be provided with water of condensation dam body of releasing in described collecting box 1 (to illustrate in figure, do not indicate), surround a collection cavity 7 between described dam body and collecting box 1 inwall, described collecting box 1 is provided with the unrestrained water inlet 4 be communicated with described collection cavity 7, unrestrained water inlet 4 connects unrestrained waterpipe, and collection cavity 7 internal pressure is consistent with unrestrained waterpipe pressure.A chamber 8 is formed in described dam body, described chamber 8 top is provided with the first ventilating hole of being communicated with described collection cavity 7 top and the second ventilating hole for being communicated with water of condensation development unit top, bottom is provided with the first inlet of being communicated with described collection cavity 7 bottom and the second inlet for being communicated with water of condensation development unit bottom, described in ventilating hole described in two and two, inlet is separated by diaphragm valve 3, is provided with and makes described first ventilating hole and described second ventilating hole switch the control mechanism of ventilating in described chamber 8.
Wherein, above-mentioned water of condensation dam body of releasing preferably is located at side away from unrestrained water inlet 4 in collecting box 1 casing, and the height of this dam body is preferably and casing top contact; Arrange the first venting channels (illustrate in figure, do not indicate) and the second venting channels 6 in dam body, this first venting channels one end is the first ventilating hole, and the other end arranges for connection collection cavity 7 near this dam body top; This second venting channels 6 one end is above-mentioned second ventilating hole, and the other end extends to outside collecting box 1 and is communicated with water of condensation development unit top; Preferably, described first ventilating hole and described second ventilating hole vicinity are arranged, and control to switch ventilation by solenoid valve 2; Namely this solenoid valve 2 can adopt three-way valve, and have two entrances and an outlet, two entrances are connected with the first ventilating hole and the second ventilating hole respectively, and outlet is communicated with space in described chamber 8.Arrange the first water flowing passage in dam body (to illustrate in figure, do not indicate) and the second logical Aquaporin-5, first water flowing passage end is above-mentioned first inlet, the other end arranges for connection collection cavity 7 bottom bottom this dam body, second logical Aquaporin-5 one end is above-mentioned second inlet, and the other end extends to outside collecting box 1 and is communicated with water of condensation development unit bottom; When the first water flowing passage is communicated with the second logical Aquaporin-5, water of condensation in collection cavity 7 can be introduced in water of condensation development unit, and diaphragm valve 3 jack-up can be realized the first inlet with the second inlet and be communicated with, namely realize above-mentioned first water flowing passage and the second logical Aquaporin-5 is communicated with.
As one of embodiment, described control mechanism comprises the water-level gauge measuring mechanism measuring water level in described collection cavity 7, described water-level gauge measuring mechanism and described solenoid valve 2 interlocked control; This water-level gauge measuring mechanism adopts water-level gauge to measure, and without complicated control unit, operation is simple and reliable.The method of this water-level gauge measuring mechanism and solenoid valve 2 interlocked control is as follows:
As Fig. 1, the using method of the unrestrained water collecting device of enclosed automatically as above is specially: this unrestrained water collecting device is connected unrestrained waterpipe and water of condensation development unit; Set two threshold values of described water-level gauge measuring mechanism, comprise the L1 locating point of low water level and the L2 locating point of high water level, when in described collection cavity 7, water of condensation water level is at L1 locating point, described solenoid valve 2 controls described first ventilating hole ventilation, when water of condensation water level in described collection cavity 7 arrives L2 locating point, described solenoid valve 2 controls described second ventilating hole ventilation.Wherein, this L1 locating point height is preferably not higher than described first inlet place height, and this L2 locating point height is preferably not higher than described first venting channels and collection cavity 7 connectivity part place height.
As Fig. 1, in above-mentioned using method, concrete control procedure is as follows:
(1) when in collection cavity 7, water of condensation liquid level is under L1 locating point (original state), solenoid valve 2 controls the first ventilating hole ventilation, diaphragm valve 3 upper chamber 8 space is communicated with collection cavity 7, and diaphragm valve 3 is pressed on the bottom of chamber 8 under the effect of collection cavity 7 internal pressure;
(2), when in collection cavity 7, water of condensation liquid level rises to L1 locating point place, solenoid valve 2 controls the first ventilating hole ventilation, and diaphragm valve 3 upper chamber 8 space is communicated with collection cavity 7, and diaphragm valve 3 is pressed on the bottom of chamber 8 under the effect of collection cavity 7 internal pressure;
(3) in collection cavity 7, water of condensation liquid level rises in L2 locating point process by L1 locating point, solenoid valve 2 is failure to actuate, the area that diaphragm valve top is communicated with collection cavity 7 is greater than the area be communicated with water of condensation bottom it, and diaphragm valve 3 bears top impacting force and is pressed on the bottom of chamber 8;
(4) when in collection cavity 7, water of condensation liquid level rises to L2 locating point place, solenoid valve 2 controls the second ventilating hole ventilation, diaphragm valve 3 upper chamber 8 space is communicated with water of condensation development unit, comparatively collection cavity 7 internal pressure is low for water of condensation development unit internal pressure, bear condensation effect of water pressure in collection cavity 7 bottom diaphragm valve 3 and backed down, first inlet is communicated with the second inlet, and namely the first water flowing passage is communicated with the second logical Aquaporin-5, and water of condensation is expelled in water of condensation development unit by collection cavity 7;
(5) in collection cavity 7, water of condensation liquid level is down in L1 locating point process by L2 locating point, and solenoid valve 2 is failure to actuate, and still bear condensation effect of water pressure in collection cavity 7 bottom diaphragm valve 3 and backed down, water of condensation continues outer row;
(6) when in collection cavity 7, water of condensation liquid level is down to L1 locating point place, solenoid valve 2 controls the first ventilating hole ventilation, diaphragm valve 3 upper chamber 8 space is communicated with collection cavity 7, diaphragm valve 3 is pressed on the bottom of chamber 8 under the effect of collection cavity 7 internal pressure, water of condensation discharge passage is cut off, and in collection cavity 7, water of condensation liquid level is risen to L2 locating point by L1 locating point;
So constantly repeat said process, realize the collection of unrestrained water and whole recovery of water of condensation.
Control chamber 8 by solenoid valve 2 be communicated with collection cavity 7 or be communicated with water of condensation development unit, make diaphragm valve upper chambers 8 space consistent with collection cavity 7 internal pressure, or consistent with water of condensation development unit pressure, be communicated with medium and be steam, without steam leakage when can realize switching.
embodiment two
The embodiment of the present invention relates to a kind of unrestrained water system, comprises unrestrained water pipe, unrestrained water collecting device and water of condensation development unit, and wherein, unrestrained water collecting device adopts the unrestrained water collecting device of automatic enclosed described in embodiment one, and concrete structure repeats no more herein.The unrestrained water inlet 4 of all unrestrained with this water collecting device of each unrestrained waterpipe is communicated with, second ventilating hole of above-mentioned unrestrained water collecting device is communicated with described water of condensation development unit top, and the second inlet of above-mentioned unrestrained water collecting device is communicated with described water of condensation development unit bottom.Adopt as above structure, the unrestrained waterpipe of each vapour system can not install drain valve, the unrestrained water inlet 4 being connected to above-mentioned unrestrained water collecting device concentrated by each unrestrained water pipe, the leakage vapour problem avoiding the unreliability due to single drain valve to cause.
Further, the water of condensation of being discharged by unrestrained water collecting device enters water of condensation development unit, the secondary steam that development unit produces can deliver to oxygen-eliminating device as heat source, that is: described water of condensation development unit is provided with steam exhaust-gas mouth, and described steam exhaust-gas mouth is connected to oxygen-eliminating device.Other water of condensation still has surplus heat and overbottom pressure, can be used as heat source and carries out preheating to the water supply system of vapour system, that is: described water of condensation development unit is provided with water of condensation outlet, and described water of condensation outlet is connected to heat exchanger.
This unrestrained water system can realize whole recovery of water of condensation, and avoids the secondary steam waste problem that open system causes, its environmental protection, reliable operation and the life-span long, effectively increase economic efficiency.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. the unrestrained water collecting device of automatic enclosed, it is characterized in that: comprise collecting box, be provided with water of condensation in described collecting box to release dam body, surround a collection cavity between described dam body and collecting box inwall, described collecting box is provided with the unrestrained water inlet be communicated with described collection cavity; A chamber is formed in described dam body, described chamber top is provided with the first ventilating hole of being communicated with described collection cavity top and the second ventilating hole for being communicated with water of condensation development unit top, bottom is provided with the first inlet of being communicated with described collection cavity bottom and the second inlet for being communicated with water of condensation development unit bottom, described in ventilating hole described in two and two, inlet is separated by diaphragm valve, is provided with and makes described first ventilating hole and described second ventilating hole switch the control mechanism of ventilating in described chamber.
2. the unrestrained water collecting device of automatic enclosed according to claim 1, is characterized in that: described first ventilating hole and described second ventilating hole are switched by electromagnetic valve ventilates.
3. the unrestrained water collecting device of automatic enclosed according to claim 2, is characterized in that: described control mechanism comprises water-level gauge measuring mechanism, described water-level gauge measuring mechanism and the described solenoid valve interlocked control of measuring water level in described collection cavity.
4. the unrestrained water collecting device of automatic enclosed according to claim 3, is characterized in that: described water-level gauge measuring mechanism is water-level gauge.
5. the using method of the unrestrained water collecting device of automatic enclosed as described in claim 3 or 4, is characterized in that: this unrestrained water collecting device is connected unrestrained waterpipe and water of condensation development unit; Set two threshold values of described water-level gauge measuring mechanism, comprise the L1 locating point of low water level and the L2 locating point of high water level, when water of condensation water level in described collection cavity is at L1 locating point, first ventilating hole ventilation described in described electromagnetic valve, when water of condensation water level in described collection cavity arrives L2 locating point, the second ventilating hole ventilation described in described electromagnetic valve.
6. the using method of the unrestrained water collecting device of automatic enclosed according to claim 5, is characterized in that: described L1 locating point height is not higher than described first inlet place height.
7. a unrestrained water system, comprise unrestrained water pipe and water of condensation development unit, it is characterized in that: adopt the unrestrained water collecting device of automatic enclosed according to any one of Claims 1-4, the unrestrained water inlet of all unrestrained with this water collecting device of each unrestrained waterpipe is communicated with, described second ventilating hole is communicated with described water of condensation development unit top, and described second inlet is communicated with described water of condensation development unit bottom.
8. unrestrained water system according to claim 7, is characterized in that: described water of condensation development unit is provided with steam exhaust-gas mouth, and described steam exhaust-gas mouth is connected to oxygen-eliminating device.
9. unrestrained water system according to claim 7, is characterized in that: described water of condensation development unit is provided with water of condensation outlet, and described water of condensation outlet is connected to heat exchanger.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510798743.2A CN105299434B (en) | 2015-11-19 | 2015-11-19 | The automatic unrestrained water collecting device of enclosed and its application method, unrestrained water system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510798743.2A CN105299434B (en) | 2015-11-19 | 2015-11-19 | The automatic unrestrained water collecting device of enclosed and its application method, unrestrained water system |
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| CN105299434A true CN105299434A (en) | 2016-02-03 |
| CN105299434B CN105299434B (en) | 2017-11-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594803A (en) * | 2022-02-16 | 2022-06-07 | 广东省水利水电科学研究院 | Ecological flow discharge and monitoring equipment for small hydropower station and control method thereof |
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| CN2432442Y (en) * | 2000-04-17 | 2001-05-30 | 杨君廷 | Closed condensate recovery device |
| CN2438920Y (en) * | 2000-09-20 | 2001-07-11 | 韩晓蕾 | Full-closed vapour condensation water recovery equipment |
| JP2005061531A (en) * | 2003-08-12 | 2005-03-10 | Union Kagaku Kikai Kk | Automatic drainage system |
| CN202992627U (en) * | 2012-12-18 | 2013-06-12 | 河北建投国融能源服务股份有限公司 | Automatic negative micro-pressure maintainer for constant-pressure condensate drainage box |
| JP2013228173A (en) * | 2012-04-27 | 2013-11-07 | Tlv Co Ltd | Condensate recovery device |
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2015
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|---|---|---|---|---|
| JPH11125396A (en) * | 1997-10-23 | 1999-05-11 | Taisei Corp | Drainage system |
| CN2432442Y (en) * | 2000-04-17 | 2001-05-30 | 杨君廷 | Closed condensate recovery device |
| CN2438920Y (en) * | 2000-09-20 | 2001-07-11 | 韩晓蕾 | Full-closed vapour condensation water recovery equipment |
| JP2005061531A (en) * | 2003-08-12 | 2005-03-10 | Union Kagaku Kikai Kk | Automatic drainage system |
| JP2013228173A (en) * | 2012-04-27 | 2013-11-07 | Tlv Co Ltd | Condensate recovery device |
| CN202992627U (en) * | 2012-12-18 | 2013-06-12 | 河北建投国融能源服务股份有限公司 | Automatic negative micro-pressure maintainer for constant-pressure condensate drainage box |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114594803A (en) * | 2022-02-16 | 2022-06-07 | 广东省水利水电科学研究院 | Ecological flow discharge and monitoring equipment for small hydropower station and control method thereof |
| CN114594803B (en) * | 2022-02-16 | 2022-10-04 | 广东省水利水电科学研究院 | Ecological flow of little power station is released, monitoring facilities |
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| CN105299434B (en) | 2017-11-21 |
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