CN201246734Y - Automatic condensation water-discharging energy-saving device - Google Patents

Automatic condensation water-discharging energy-saving device Download PDF

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Publication number
CN201246734Y
CN201246734Y CNU2008201483837U CN200820148383U CN201246734Y CN 201246734 Y CN201246734 Y CN 201246734Y CN U2008201483837 U CNU2008201483837 U CN U2008201483837U CN 200820148383 U CN200820148383 U CN 200820148383U CN 201246734 Y CN201246734 Y CN 201246734Y
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China
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heat exchange
water
housing
flue
energy conservation
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CNU2008201483837U
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Chinese (zh)
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卓永冰
卓乐
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Individual
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Abstract

The utility model discloses an automatic discharge condensed water energy saver, comprising a smoke intake channel comprising a transverse part; and a drainage device comprising a water retaining convex, a U-shaped liquid seal device and a drain flute fit with the water retaining convex, wherein the upper part of the smoke intake channel is provided with the water retaining convex along the section, the drain flute is arranged at the bottom of the smoke intake channel under the water retaining convex, and the drain flute is communicated with the water inlet end of the U-shaped liquid seal device. The automatic discharge condensed water energy saver can automatically discharge condensed water outside flue, to protect flue and boiler from corrosion.

Description

Condensation water automatic discharging energy conservation equipment
Technical field
The utility model relates to the Waste Heat Recovery technical field, especially a kind of condensation water automatic discharging energy conservation equipment.
Background technology
Many devices that need to discharge used heat are arranged in the industrial equipment, just need be as boiler from the higher flue gas of discharge flue discharge temperature.Have more heat energy in this used heat, for recycling these used heat, existing energy-saving appliance such as economizer etc. have following common ground: 1, be installed on the used heat passage.2, inside is provided with the heat exchanging water pipe road.When economizer heat exchanger tube surface flue-gas temperature was lower than the flue gas dew point temperature, meeting dewfall in economizer heat exchanger tube surface produced condensed water.After the boiler oil burning, acidic gas in flue gas and condensed water reaction cause condensed water to be acid, the corrosion economizer, and the condensed water that gathers also can't realize automatic discharge, accumulates to a certain degree, blows back into boiler along flue, causes the corrosion of flue and boiler.In addition, the control of boiler smoke exhaust gas temperature is improper, causes exhaust gas temperature low excessively, in the steam generator system that boiler induced-draft fan is not set, is unfavorable for the boiler tail flue gas discharging again, even influences boiler operatiopn.In general boiler design, for ensureing the boiler tail flue gas discharging, avoid condensed water to produce that the ratio that the boiler tail flue gas exhaust gas temperature is often set is higher, carries a large amount of heat energy, causes energy waste, contaminated environment.At last, the heat exchanging water pipe road is all flowed through in the heat exchange in existing energy-saving appliance water inlet single.Along with flowing of heat exchange water, constantly carry out heat exchange between heat exchange water and spent heat-carrier, the temperature of heat exchange water is raise; The heat exchange coolant-temperature gage difference of heat exchanging water pipe's different parts causes the efficient of heat exchange everywhere also different.Can not realize that uniform heat exchange has reduced the efficient of heat exchange on the whole, has limited the energy-saving effect of existing energy-saving appliance.
The utility model content
Technical problem to be solved in the utility model provides a kind of condensation water automatic discharging energy conservation equipment, condensed water can be given off flue automatically, avoids the corrosion to flue and boiler.
For realizing above-mentioned utility model purpose, condensation water automatic discharging energy conservation equipment of the present utility model comprises fume inlet passage, fume inlet passage includes the horizontally set part, this energy-saving appliance also comprises drainage arrangement, drainage arrangement comprises dash projection, " U " shape fluid-tight device and the rhone that matches with the dash projection, the top of fume inlet passage is provided with the dash projection along its cross-wise direction, and rhone is positioned at the bottom of dash projection below fume inlet passage; Rhone is connected with the water inlet end of " U " shape fluid-tight device.
As a kind of improvement of the present utility model, described drainage arrangement also includes drainpipe, and described rhone is connected with drainpipe by the fluid-tight device, and described drainpipe is provided with draining valve.
As further improvement of the utility model, described dash projection outer rim cross section is less than its root section, and the pipeline of described " U " shape fluid-tight device water side one side is telescoping tube or flexible hose.
As further improvement of the utility model, being connected with fume inlet passage is provided with housing, is provided with the heat exchange coil group in the housing, and the housing bottom is provided with heat exchange water water inlet, and the housing upper end is provided with flue outlet and heat exchange water delivery port; This condensation water automatic discharging energy conservation equipment also includes automatic control system, automatic control system comprises the electrical control actuating unit, is located at the temperature sensor of flue outlet, electric control valve, electric control valve is located on the pipeline that is connected with heat exchange water delivery port, electrical control actuating unit and temperature sensor and electric control valve control connection.
As further improvement of the utility model, described heat exchange coil group comprises two horizontally disposed heat exchange coils up and down, and different ends and its delivery port that the water inlet of various heat exchange coil pipe is positioned at housing the same side are positioned at the housing opposite side end, diagonal angle of water inlet separately.
As further improvement of the utility model, each parts of described energy-saving appliance all adopt resistant material.
Adopt structure of the present utility model, the top of fume inlet passage is provided with the dash projection, when condensed water flows down in housing, blocked by the dash projection, thereby accumulate in the dash bump bottom ends, that assembles can drip from the dash high spot more for a long time, and flows into rhone along the fume inlet passage bottom, discharges by the fluid-tight device.Thereby so just avoided condensed water to blow back into boiler, cause corrosion to shorten its service life to boiler and fume inlet passage on the way along the fume inlet passage of energy-saving appliance.Simultaneously, the setting of fluid-tight has prevented that condensed water or air from blowing back into fume inlet passage by rhone.
Rhone is connected with drainpipe by the fluid-tight device, and drainpipe is provided with draining valve.The setting of drainpipe and draining valve is convenient to control drainage direction and water discharge time.
The pipeline of " U " shape fluid-tight device water side one side is telescoping tube or flexible hose, when the pressure in flue changes, can control the liquid storage amount of fluid-tight device entrance point by the height of adjusting the fluid-tight device port of export, thereby guarantee that condensed water can not blow back into flue under the differential pressure action inside and outside the flue.Utilize flue internal pressure and CD section head of liquid sum to equal the principle of atmospheric pressure and AB section head of liquid sum, when in case CD section fluid column raises, flue internal pressure and CD section head of liquid sum are greater than atmospheric pressure and AB section head of liquid sum, condensed water is discharged from condensed water vent valves 1b automatically, realizes condensation water automatic discharging.Remain " U " type condensed water discharging fluid-tight device 1a and be full of condensed water, can guarantee the seal of discharging fume.
Being arranged on of automatic control system guaranteed that the substantially invariable while of exhaust gas temperature need not manual operation, uses very conveniently, the too high energy dissipation phenomenon of bringing of exhaust gas temperature can not occur, also avoided the low excessively too much phenomenon of condensed water that causes of exhaust gas temperature.When exhaust gas temperature is higher than setting value, strengthen the open degree of electric control valve, thereby increase the flow of heat exchange water, increase the heat exchange amount between heat exchange water and the flue gas, reduce exhaust gas temperature at last; Reduce the open degree of electric control valve when exhaust gas temperature is lower than setting value, thereby reduces the flow of heat exchange water, reduce the heat exchange amount between heat exchange water and the flue gas, exhaust gas temperature at last raises.
The concrete set-up mode of inlet tube and outlet tube and heat exchange coil group has following advantage in the housing: the entery and delivery port diagonal angle of same heat exchange coil is provided with, this heat exchange coil will cover the whole cross section of condensation water automatic discharging energy conservation equipment, prolonged heat exchange coil tube side, increased the flowing time of heat exchange water in coil pipe, thereby make flue gas and the abundant heat exchange of each heat exchange coil by energy-saving appliance.Flue gas is by the coil pipe below the heat exchange coil group time, the heat exchange water that the flue gas of close coil pipe water inlet one side and temperature are lower carries out heat exchange, its temperature reduces more, and the higher heat exchange water of the flue gas of close coil pipe delivery port one side and temperature carries out heat exchange, and its temperature reduces less.Flue gas is the coil pipe by heat exchange coil group top then, and temperature reduces more side flue gas this moment and then carries out heat exchange with heat exchange water near the coil pipe delivery port during by a last coil pipe, and its temperature reduces less; Temperature reduces less side flue gas this moment and then carries out heat exchange with heat exchange water near the coil pipe water inlet during by a last coil pipe, and its temperature reduces more.Like this, the flue gas at vertical diverse location place, its temperature drop is basic identical behind two heat exchange coils of process heat exchange coil group, has therefore realized uniform heat exchange better, has improved whole heat exchange efficiency.
Each parts of condensation water automatic discharging energy conservation equipment all adopt resistant material, can prolong frequent service life of the parts of condensation by contact water such as housing, have reduced the maintenance work amount of equipment, have saved use cost.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the structural representation of heat exchange coil of the present utility model;
Fig. 3 is the schematic cross-section that flue gas of the present utility model vertically flows in housing;
Fig. 4 is the structural representation of second kind of set-up mode of dash projection of the present utility model;
Fig. 5 is the structural representation of the third set-up mode of dash projection of the present utility model.
The specific embodiment
As shown in Figure 1 to Figure 3, condensation water automatic discharging energy conservation equipment of the present utility model comprises housing 8, condensed water drainage arrangement 1 (condensate drain 1 comprises dash projection 1d, rhone 1c, the draining valve 1b, " U " shape fluid-tight device 1a and the drainpipe 1e that match with dash projection 1d), fume inlet passage 2 and is arranged on the interior heat exchange water system of housing 8, housing 8 bottoms are provided with import dilatation flue 6, housing 8 upper ends are provided with outlet shrinkage flue 10, and outlet shrinkage flue 10 is fixedly connected with outlet shrinkage flue flange 11.The import dilatation flue 6 of fume inlet passage 2 horizontally sets and one end and housing 8 bottoms fixedly is communicated with by dilatation flange 5, and the end that fume inlet passage 2 is communicated with housing 8 is higher than its other end.Housing 8 bottoms also are provided with heat exchange water inlet 30, and the housing upper end also is provided with heat exchange delivery port 31.Heat exchange water inlet 30, heat exchange delivery port 31 are communicated with " U " type water inlet collection case 7 and " U " type water outlet collection case 14 respectively.External power water pump 23 is connected with heat exchange water water inlet 30 by energy-saving appliance water inlet pipe 22, and energy-saving appliance water inlet pipe 22 is provided with valve 3.Energy-saving appliance outlet pipe 19 is connected with heat exchange water delivery port 31, is provided with outlet valve 18, air bleeding valve 16 and safety valve 15 on energy-saving appliance outlet pipe 19.
As shown in Figure 1, the condensed water drainage arrangement comprises bar shaped dash projection 1d, rhone 1c, the draining valve 1b, " U " shape fluid-tight device 1a and the drainpipe 1e that match with dash projection 1d.The upper flue face of fume inlet passage 2 entrance point lateral arrangement sections is the plane, its sideline, cross section, this upper edge, plane fixedly connected dash projection 1d, and dash projection 1d outer rim cross section is less than its root section; Rhone 1c be positioned at dash projection 1d away from a side of housing 8 and its notch opening at the bottom of fume inlet passage 2 lowest part; The bottom land of rhone 1c is connected with the water inlet end of " U " shape fluid-tight device 1a, and the water side of " U " shape fluid-tight device 1a is connected with drainpipe 1e, and drainpipe 1e is provided with draining valve 1b.Wherein, the pipeline of " U " shape fluid-tight device 1a water side one side is a telescoping tube, also can be flexible hose, so just can adjust the height of " U " shape fluid-tight device 1a water side with respect to its water inlet end as required.Utilize flue internal pressure and CD section head of liquid sum to equal the principle of atmospheric pressure and AB section head of liquid sum, when in case CD section fluid column raises, flue internal pressure and CD section head of liquid sum are greater than atmospheric pressure and AB section head of liquid sum, condensed water is discharged from condensed water vent valves 1b automatically, remain " U " type condensed water discharging fluid-tight device 1a and be full of condensed water, guarantee the seal of smoke evacuation.The set-up mode of described dash projection can have three kinds: 1. as shown in Figure 1 at the fume inlet passage top along extending setting aspect the cross section downwards; As shown in Figure 4 fume inlet passage top slope break and the slope break place form along the fume inlet passage top cross-section wedge angle under the dash projection.As shown in Figure 5 fume inlet passage top slope break and the slope break place form along the fume inlet passage top cross-section convex arc surface under the dash projection.
This condensation water automatic discharging energy conservation equipment also includes automatic control system as shown in Figure 1, automatic control system comprises electrical control actuating unit 13, is located at temperature sensor 12, electric control valve 17 on the outlet shrinkage flue 10, and electric control valve 17 is located on the energy-saving appliance outlet pipe 19.Electrical control actuating unit 13 also compares the temperature value of this temperature and setting by the temperature signal that signal line receives temperature sensor 12, and, the exhanst gas outlet temperature is maintained within the exhanst gas outlet temperature range of setting all the time according to the open degree of the difference of two temperature control electric control valve 17.
As Fig. 1, Fig. 2 and shown in Figure 3, the heat exchange water system comprises heat exchange coil group 9a, 9b, " U " type water inlet collection case 7 that is connected with heat exchange water water inlet 30, " U " type water outlet collection case 14 that is connected with heat exchange water delivery port 31." U " type water inlet collection case 7 includes coil pipe water inlet pipe 7a, the 7b of vertical setting, and " U " type water outlet collection case 14 comprises coil pipe outlet pipe 14a, the 14b of vertical setting.Wherein, heat exchange coil group 9a, 9b have included two horizontally disposed heat exchange coils up and down.The coil pipe first water inlet pipe 7a vertically is arranged on the front end of housing 8 one sides, the coil pipe first outlet pipe 14a correspondingly vertically is arranged on the rear end of housing 8 opposite sides, the coil pipe first water inlet pipe 7a is connected with the coil pipe first outlet pipe 14a by the below coil pipe among heat exchange coil group 9a, the 9b, and described heat exchange coil group 9a, 9b vertically evenly are provided with along housing 8.The rear end of the coil pipe first water inlet pipe 7a homonymy also is provided with the coil pipe second water inlet pipe 7b that is connected with water inlet 30, the front end of the first outlet pipe 14a homonymy also is provided with the coil pipe second outlet pipe 14b that is connected with delivery port 31, the coil pipe first water inlet pipe 7a is connected with the coil pipe first outlet pipe 14a by the below coil pipe among heat exchange coil group 9a, the 9b, and the coil pipe second water inlet pipe 7b is connected with the coil pipe second outlet pipe 14b by the top coil pipe among heat exchange coil group 9a, the 9b.As depicted in figs. 1 and 2, heat exchange coil group 9a, 9b composition coil pipe separately alternately is horizontally disposed with in the vertical and is crisscross arranged in the horizontal.Adopt the heat exchange water system of this form, heat exchange water housing inner opposite angle turnover, heat exchange coil group 9a, 9b all be many backhauls setting and vertically, transversely replace, be staggered, prolonged heat exchange coil tube side, increased the flowing time of heat exchange water in coil pipe, make evenly fully heat exchange between heat exchange water and the flue gas, prevent the uneven in temperature even of condensation water automatic discharging energy conservation equipment discharge flue gas one side of the present utility model and opposite side, prevented the uneven phenomenon of heat exchange between the interior different parts of housing.As shown in Figure 1, flue gas flow through successively fume inlet passage 2, import dilatation flue 6, housing 8, shrinkage flue 10, dilatation when flue gas is flowed through housing 8, flue gas flow rate descends, and increases holdup time and the heat exchange coil group of flue gas in energy-saving appliance and carries out abundant heat exchange; As shown in Figure 3, when flue gas was flowed through up and down staggered heat exchange coil group in the flue, the flue gas disturbance was serpentine and flows out, and this has also increased holdup time and the heat exchange coil group of flue gas in energy-saving appliance and has carried out abundant heat exchange.Certainly, as shown in Figure 3, the heat exchange coil group can be provided with many groups as required.
Condensation water automatic discharging energy conservation equipment of the present utility model is installed on the boiler tail high temperature exit flue, dock with flue flange 21, flue flange 21, flue 2, import dilatation flue flange 5, import dilatation flue 6, housing 8, outlet shrinkage flue 10, outlet shrinkage flue flange 11 link to each other successively, form the smoke evacuation system of energy-saving appliance of the present utility model.
Each parts of this condensation water automatic discharging energy conservation equipment all adopt resistant material.Each water inlet pipe and water outlet pipe of energy-saving appliance and each heat exchange coil group are normal pressure equipment, therefore the potential safety hazard that can avoid high pressure to cause when not influencing use.When needs are used hot cell with heat exchange water supply pressure, can deliver to the pressure hot cell after with heat exchange water water outlet supercharging by booster water pump.During use, power water pump 23 is done power, normal-temperature water is by water inlet pipe 22, after inlet valve 3 enters energy-saving appliance, enter coil pipe water inlet pipe 7a and coil pipe water inlet pipe 7b respectively, more respectively through heat exchange coil group 9a and 9b and with the abundant heat exchange of high-temperature flue gas after enter coil pipe outlet pipe 14a, 14b, be pooled to the delivery port 31 of " U " type water outlet collection case, by electric control valve 17 regulating pondages, flow out the supply hot cell through flowing water Valve 18 and outlet pipe 19.On the water inlet pipe 22 near " U " type water inlet collection case 7 sides blowoff valve 4 is housed, is convenient to bleed off the tube side water of energy-saving appliance during maintenance; Energy-saving appliance water inlet pipe 22 of the present utility model is connected a by-pass line with 19 of outlet pipes, bypath valve 20 is installed, when abnormal conditions appear in energy-saving appliance of the present utility model, close inlet valve 3 and flowing water Valve 18, water circuit system can guarantee to use the hot cell water by bypath valve 20 temporarily." U " type water outlet collection case 14 ports of export of this energy-saving appliance are equipped with safety valve 15, air bleeding valve 16, when water circuit system pressure surpasses safety valve 15 setting pressures, safety valve 15 is opened release automatically, can guarantee that energy-saving appliance water circuit system pressure of the present utility model is no more than setting pressure, guarantees energy-saving appliance safe operation of the present utility model.During the too high generation vaporization phenomenon of the water circuit system tube side water pneumatosis of energy-saving appliance of the present utility model or water temperature, can discharge automatically, guarantee water circuit system water-in and water-out smoothness, prevent the stifled generation with water attack of gas by air bleeding valve 16.
Certainly, the utility model includes but not limited to present embodiment, as import dilatation flue flange 5, import dilatation flue 6, outlet shrinkage flue 10, outlet shrinkage flue flange 11, install, do not influence under the situation of technology in convenient transportation, can change shape and relative position according to reality.Condensation water automatic discharging energy conservation equipment of the present utility model can vertically be connected on the flue as shown in Figure 1, also can level be connected on the flue.Housing 8 dilatation volumes and flue gas area of passage bonded boiler afterbody high temperature smoke evacuation situation are adjusted and are appraised and decided, and adopt different numerical value according to different situations.In addition, this condensation water automatic discharging energy conservation equipment also can be installed on the passage of other spent heat-carriers outside the boiler exhaust gas passage.Above-mentioned conversion all drops within the protection domain of the present utility model.Every on the utility model basis further improved plan, all being considered as is the scope that the utility model is asked for protection.

Claims (6)

1. condensation water automatic discharging energy conservation equipment, comprise fume inlet passage, it is characterized in that: fume inlet passage includes the horizontally set part, this energy-saving appliance also comprises drainage arrangement, drainage arrangement comprises dash projection, " U " shape fluid-tight device and the rhone that matches with the dash projection, the top of fume inlet passage is provided with the dash projection along its cross-wise direction, and rhone is positioned at the bottom of dash projection below fume inlet passage; Rhone is connected with the water inlet end of " U " shape fluid-tight device.
2. condensation water automatic discharging energy conservation equipment according to claim 1 is characterized in that: described drainage arrangement also includes drainpipe, and described rhone is connected with drainpipe by the fluid-tight device, and described drainpipe is provided with draining valve.
3. condensation water automatic discharging energy conservation equipment according to claim 2 is characterized in that: described dash projection outer rim cross section is less than its root section, and the pipeline of described " U " shape fluid-tight device water side one side is telescoping tube or flexible hose.
4. according to each described condensation water automatic discharging energy conservation equipment in the claim 1 to 3, it is characterized in that: being connected with fume inlet passage is provided with housing, be provided with the heat exchange coil group in the housing, the housing bottom is provided with heat exchange water water inlet, and the housing upper end is provided with flue outlet and heat exchange water delivery port; This condensation water automatic discharging energy conservation equipment also includes automatic control system, automatic control system comprises the electrical control actuating unit, is located at the temperature sensor of flue outlet, electric control valve, electric control valve is located on the pipeline that is connected with heat exchange water delivery port, electrical control actuating unit and temperature sensor and electric control valve control connection.
5. condensation water automatic discharging energy conservation equipment according to claim 4, it is characterized in that: described heat exchange coil group comprises two horizontally disposed heat exchange coils up and down, and different ends and its delivery port that the water inlet of various heat exchange coil pipe is positioned at housing the same side are positioned at the housing opposite side end, diagonal angle of water inlet separately.
6. condensation water automatic discharging energy conservation equipment according to claim 5 is characterized in that: each parts of described energy-saving appliance all adopt resistant material.
CNU2008201483837U 2008-08-06 2008-08-06 Automatic condensation water-discharging energy-saving device Expired - Lifetime CN201246734Y (en)

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Application Number Priority Date Filing Date Title
CNU2008201483837U CN201246734Y (en) 2008-08-06 2008-08-06 Automatic condensation water-discharging energy-saving device

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CNU2008201483837U CN201246734Y (en) 2008-08-06 2008-08-06 Automatic condensation water-discharging energy-saving device

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CNU2008201483837U Expired - Lifetime CN201246734Y (en) 2008-08-06 2008-08-06 Automatic condensation water-discharging energy-saving device

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880089A (en) * 2015-05-28 2015-09-02 江苏嘉德宏益环保节能科技有限公司 Intelligent flue energy recycling system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880089A (en) * 2015-05-28 2015-09-02 江苏嘉德宏益环保节能科技有限公司 Intelligent flue energy recycling system

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AV01 Patent right actively abandoned

Granted publication date: 20090527

Effective date of abandoning: 20080806