CN100532944C - Water-spraying evaporation combined circulation type slag cooler - Google Patents
Water-spraying evaporation combined circulation type slag cooler Download PDFInfo
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- CN100532944C CN100532944C CNB2007101133706A CN200710113370A CN100532944C CN 100532944 C CN100532944 C CN 100532944C CN B2007101133706 A CNB2007101133706 A CN B2007101133706A CN 200710113370 A CN200710113370 A CN 200710113370A CN 100532944 C CN100532944 C CN 100532944C
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- slag
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Abstract
The invention relates to a water spraying evaporation combined circulation type slag cooler, and comprises a slag cooler, a steam cyclone separator and an auger slag extractor; the slag cooler is fixedly connected with the steam cyclone separator through a steam outlet valve; the upper part of the slag cooler is a steam chamber, the lower part thereof is a slag cooling chamber, the slag cooling chamber is connected with a slag outflow pipe, an atomized water spray head is fixedly installed in the slag cooling chamber, and a slag outflow opening is arranged on the lower part of the slag cooling chamber; the auger slag extractor is positioned under the slag cooler, and is fixedly connected with the slag cooler through the slag outflow pipe, and a slag outlet opening is arranged at one end of the auger slag extractor; a draining valve is fixedly installed on the lower part of the steam cyclone separator. The invention has the advantages that the hot slag in the invention is delivered out by the auger slag extractor, thereby avoiding the abrasion of the hot slag and the machine, the heat exchanging pipe of the invention can enable the heat generated by the hot slag to heat the water in the heat exchanging pipe, and thereby, the invention is a water spraying evaporation combined circulation type slag cooler with convenience for operation, wear resistance and energy saving.
Description
Technical field
The present invention relates to a kind of cold slag machine of handling the boiler warm sludge, relate in particular to a kind of water-spraying evaporation combined circulation type cold slag device.
Background technology
Because the tapping temperature of slag is 850 ℃～1000 ℃, so need be chilled to below 100 ℃.Existing cold slag machine mostly is water cold drum formula, geomantic omen and mixes cold, the outer bed of bed, big scraper plate, auger type etc.The drive manner of these cold slag machines is: the effective heating surface of rotor and fluidisation area internal structure mixes exchange heat energy with warm sludge, reaches the purpose of cold slag.The shortcoming of these cold slag machines is: the slag running of rolling under the effect of mechanical force, the mutual friction of heating surface contact slag body phase, cause the metal surface attenuate of part in compression and make that cold slag machine life cycle is short, maintenance cost is high, and the cold slag pattern of existing cold slag machine is wasted a large amount of water sources, and the heat energy of warm sludge can not be utilized.
Summary of the invention
The purpose of this invention is to provide a kind of easy to operate, wear-resisting, energy-conservation water-spraying evaporation combined circulation type cold slag device.
For achieving the above object, the technical solution used in the present invention is:
A kind of water-spraying evaporation combined circulation type cold slag device is characterized in that: this water-spraying evaporation combined circulation type cold slag device comprises slag cooler, turbo-steam separator, auger mucking machine; Slag cooler is fixedlyed connected with turbo-steam separator by steam outlet valve; The top of slag cooler is vaporium, and the bottom of slag cooler is a dreg cooling chamber, and dreg cooling chamber is connected with the slagging pipe, is installed with water atomizing nozzle in the dreg cooling chamber, and the dreg cooling chamber bottom has down cinder notch; The auger mucking machine is positioned at the slag cooler below, fixedlys connected with slag cooler by following slag pipe, and an end of auger mucking machine has slag notch; The bottom of turbo-steam separator is installed with drain valve.
Water-spraying evaporation combined circulation type cold slag device according to above-mentioned is characterized in that: be installed with cold slag deflector in the above-mentioned dreg cooling chamber, cold slag deflector is corresponding with above-mentioned slagging pipe.
Water-spraying evaporation combined circulation type cold slag device according to above-mentioned is characterized in that: be installed with ring-like spray desuperheat dust arrester in the above-mentioned vaporium.
Water-spraying evaporation combined circulation type cold slag device according to above-mentioned is characterized in that: above-mentioned vaporium top is installed with vaporium Pressure gauge and vaporium thermometer.
Water-spraying evaporation combined circulation type cold slag device according to above-mentioned is characterized in that: have manhole door and peep hole on the above-mentioned slag cooler.
Water-spraying evaporation combined circulation type cold slag device according to above-mentioned is characterized in that: the top of above-mentioned turbo-steam separator is installed with outlet valve, and the bottom of turbo-steam separator is installed with water intaking valve; Be installed with heat exchanger tube in the turbo-steam separator.
According to above-mentioned water-spraying evaporation combined circulation type cold slag device, it is characterized in that: be fixedly connected with steam outlet pipe on the auger mucking machine of the top of above-mentioned slag notch, be connected with blower fan on the steam outlet pipe, the steam ports that send of blower fan is connected with turbo-steam separator by steam delivery tube.
Advantage of the present invention is: the warm sludge among the present invention is to transfer out with the auger mucking machine, the wearing and tearing of warm sludge and machine have been avoided, the interior water of heat heating heat exchanger tube that heat exchanger tube among the present invention can make warm sludge produce, so the present invention is a kind of easy to operate, wear-resisting, energy-conservation water evaporation combined circulation type slag cooler.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Specific embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is further described:
A kind of water-spraying evaporation combined circulation type cold slag device, as shown in Figure 1, this water-spraying evaporation combined circulation type cold slag device comprises slag cooler 1, turbo-steam separator 8, auger mucking machine 13; Slag cooler 1 is fixedlyed connected with turbo-steam separator 8 by steam outlet valve 6; The top of slag cooler 1 is vaporium 2, and the bottom of slag cooler 1 is a dreg cooling chamber 17, and dreg cooling chamber 17 is connected with slagging pipe 19, is installed with water atomizing nozzle 18 in the dreg cooling chamber 17, and the dreg cooling chamber bottom has down cinder notch; Auger mucking machine 13 is positioned at the slag cooler below, fixedlys connected with slag cooler 1 by following slag pipe 15, and an end of auger mucking machine 13 has slag notch 12; The bottom of turbo-steam separator 8 is installed with drain valve 10; In the present embodiment, be installed with cold slag deflector 16 in the dreg cooling chamber 17, cold slag deflector 16 is corresponding with above-mentioned slagging pipe 19; In the present embodiment, be installed with ring-like spray desuperheat dust arrester 4 in the vaporium 2; In the present embodiment, vaporium 2 tops are installed with vaporium Pressure gauge 3 and vaporium thermometer 5; In the present embodiment, have manhole door 20, peep hole 14 on the slag cooler 1; In the present embodiment, the top of turbo-steam separator 8 is installed with outlet valve 7, and the bottom of turbo-steam separator 8 is installed with water intaking valve 9; Be installed with heat exchanger tube in the turbo-steam separator 8; In the present embodiment, be fixedly connected with steam outlet pipe on the auger mucking machine 13 of the top of slag notch 12, be connected with blower fan 11 on the steam outlet pipe, the steam ports that send of blower fan 11 is connected with turbo-steam separator 8 by steam delivery tube.
Operation principle of the present invention is:
Warm sludge in the boiler flows into the dreg cooling chamber of slag cooler through the slagging pipe, the atomizer of open cold grit chamber, red-hot warm sludge and water react rapidly, produce steam after the dilatation depositing dust enters the inlet of vaporium, inlet top at vaporium, adding ring-like spray desuperheat dust arrester carries out dedusting again and falls steam temperature, vapor (steam) temperature is controlled at below 310 ℃, the gas of vaporium heats after steam outlet valve enters turbo-steam separator, be heated to be the conventional heating of pressure of not having, 100 square metres of heating surface areas, heated water is sent into oxygen-eliminating device, condensate water enters circulation and recycles, and works as feedwater and heat supply in winter use after also can filtering.
The heat exchange of water-spraying evaporation combined circulation type cold slag device is calculated as follows:
Per hour produce slag 5000kg, 850 ℃ of tapping temperatures are cooled off back slag temperature less than 100 ℃, 75 ℃ of heater condensing water temperatures, slag heat content 0.3 kilocalorie/kg, produce 270～310 ℃ of superheat steam temperatures, absolute pressure 0.03Mpa, vapour heat content 719.7 kilocalories/kg, 25 ℃ of dreg cooling chamber's inflow temperatures, 45 ℃ of heater inflow temperatures, 65 ℃ of heater leaving water temperatures, 20 ℃ of the Inlet and outlet water temperature difference.
1) can change slag heat content=5000kg* (850 ℃-100 ℃-75 ℃) * 0.3=1012500 kilocalorie of vapour heat into
2) can produce quantity (kg)=1012500 kilocalorie of superheated steam/(719.7-25)=1457.5kg/ vapour
3) kilocalorie of available steam enthalpy=1012500 kilocalories-(1457.5*75)=903187.5
4) can save mark coal (per hour/kilogram)=903187.5 kilocalories/7000 kilocalorie/kilogram=129kg
5) loss of the boiler coefficient of heat transfer and steam heat-exchanging adds 15%, and saving the mark coal should be more.
The program of manipulating of water-spraying evaporation combined circulation type cold slag device:
＜1〉the slag cooler operation sequence that puts into operation:
1. check slag cooler, test transmission belt, slagging-off auger, water pipe, valve etc. comprehensively.
2. standard-sized sheet slag cooler exhaust valve.
3. in slag cooler, add clammy slag, fill out the slag height to the manhole door center line.
4. slowly open the slagging tube valve, logical slag in slag cooler.
5. open cooling water, open lower floor's cooling water earlier, after open that the upper strata is cold anhydrates.
6. the unlatching transmission belt starts the auger reductor, adjusts auger reductor rotating speed, 0～35 hertz of variable frequency adjustment control range according to thickness of feed layer.
7. adjust cooling water inflow according to deslagging temperature and deslagging humidity.
8. in servicely should strengthen to temperature everywhere, pressure, the quantity of slag, electric current, particularly to the inspection of cooling water the operation of can't cutting off the water supply.As special circumstances, close the slagging tube valve immediately.
＜2〉out of service:
1. close the slagging pipe, treat that warm sludge in the slag cooler all after the cooling, stops cooling water.
2. will stop the deslagging auger after the whole emptyings of the slag in the slag cooler (must emptying in case solidify).
＜3〉points for attention:
1. forbid the supervision personnel to break away from the scene when slag cooler moves.
2. slag cooler enters the DCS system, and the slagging personnel keep in touch with the boiler personnel at any time, adjusts the slagging amount at any time according to thickness of feed layer.
3. strengthen supervision, in time dredge during slag pipe plug plug, guarantee slag cooler stable operation, in time adjust auger the slag cooler bed of material is moved about the manhole door center line, can not have bed of material operation the slagging pipe.
4. strengthen supervision, remain the balance of slagging amount and cooling water cooling water.
5. strengthen supervision, prevent the too high belt that burns out of tapping temperature tapping temperature.
Water-spraying evaporation combined circulation type cold slag device condensate water chemical analysis is reported as follows;
1. TWS: 25 ℃.2. basicity (me/L): P 0.1, M:0.9.
3. hard (mg/L) 166.6 of calcium.4. hardness (mmoi/L) 16.
5. chlorion (mg/L) 90.6. electricity is led (us/cm) 330.
7.PH be worth 7.96.
Claims (7)
1, a kind of water-spraying evaporation combined circulation type cold slag device is characterized in that: this water-spraying evaporation combined circulation type cold slag device comprises slag cooler (1), turbo-steam separator (8), auger mucking machine (13); Slag cooler is fixedlyed connected with turbo-steam separator (8) by steam outlet valve (6); The top of slag cooler (1) is vaporium (2), and the bottom of slag cooler is dreg cooling chamber (17), and dreg cooling chamber (17) is connected with slagging pipe (19), is installed with water atomizing nozzle (18) in the dreg cooling chamber (17), and the dreg cooling chamber bottom has down cinder notch; Auger mucking machine (13) is positioned at the slag cooler below, fixedlys connected with slag cooler (1) by following slag pipe (15), and an end of auger mucking machine (13) has slag notch (12); The bottom of turbo-steam separator (8) is installed with drain valve (10).
2, water-spraying evaporation combined circulation type cold slag device according to claim 1 is characterized in that: be installed with cold slag deflector (16) in the above-mentioned dreg cooling chamber (17), cold slag deflector (16) is corresponding with above-mentioned slagging pipe (19).
3, water-spraying evaporation combined circulation type cold slag device according to claim 1 is characterized in that: be installed with ring-like spray desuperheat dust arrester (4) in the above-mentioned vaporium (2).
4, water-spraying evaporation combined circulation type cold slag device according to claim 1 is characterized in that: above-mentioned vaporium (2) top is installed with vaporium Pressure gauge (3) and vaporium thermometer (5).
5, water-spraying evaporation combined circulation type cold slag device according to claim 1 is characterized in that: have manhole door (20) and peep hole (14) on the above-mentioned slag cooler.
6, water-spraying evaporation combined circulation type cold slag device according to claim 1 is characterized in that: the top of above-mentioned turbo-steam separator (8) is installed with outlet valve (7), and the bottom of turbo-steam separator (8) is installed with water intaking valve (9); Turbo-steam separator is installed with heat exchanger tube in (8).
7, water-spraying evaporation combined circulation type cold slag device according to claim 1, it is characterized in that: be fixedly connected with steam outlet pipe on the auger mucking machine (13) of the top of above-mentioned slag notch (12), be connected with blower fan (11) on the steam outlet pipe, the steam ports that send of blower fan (11) is connected with turbo-steam separator (8) by steam delivery tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101133706A CN100532944C (en) | 2007-10-17 | 2007-10-17 | Water-spraying evaporation combined circulation type slag cooler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007101133706A CN100532944C (en) | 2007-10-17 | 2007-10-17 | Water-spraying evaporation combined circulation type slag cooler |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101144622A CN101144622A (en) | 2008-03-19 |
| CN100532944C true CN100532944C (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007101133706A Expired - Fee Related CN100532944C (en) | 2007-10-17 | 2007-10-17 | Water-spraying evaporation combined circulation type slag cooler |
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| CN (1) | CN100532944C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107676794B (en) * | 2017-11-01 | 2023-09-19 | 中冶焦耐(大连)工程技术有限公司 | Device and method for recycling steam at bottom of secondary combustion chamber of hazardous waste incineration system |
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- 2007-10-17 CN CNB2007101133706A patent/CN100532944C/en not_active Expired - Fee Related
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| Publication number | Publication date |
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| CN101144622A (en) | 2008-03-19 |
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Granted publication date: 20090826 Termination date: 20101017 |