CN106197023A - Titanium white waste acid heat-pipe furnace - Google Patents
Titanium white waste acid heat-pipe furnace Download PDFInfo
- Publication number
- CN106197023A CN106197023A CN201610569543.4A CN201610569543A CN106197023A CN 106197023 A CN106197023 A CN 106197023A CN 201610569543 A CN201610569543 A CN 201610569543A CN 106197023 A CN106197023 A CN 106197023A
- Authority
- CN
- China
- Prior art keywords
- heat
- heater
- heat pipe
- spent acid
- pipe heater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B17/00—Furnaces of a kind not covered by any preceding group
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Air Supply (AREA)
Abstract
The present invention relates to chemical engineering industry field liquid heating operation process, specifically a kind of titanium white waste acid heat-pipe furnace.It is made up of cleaning door, fire door, left heat pipe heater, right heat pipe heater, body of heater, fire grate, air inlet, deflection plate, partition wall, dust-removing flue, rear heat pipe heater, exhanst gas outlet.Fire door is set in stokehold, it is simple to add coal and slagging-off；Furnace wall is made with heat pipes heat section in body of heater arranged on left and right sides, absorb the hyperthermia radiation heat of burner hearth, in left and right heat pipe heater, the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid be heated to more than boiling point, after heat pipe heater is installed in flue, wherein the bringing-up section of heat pipe high-temperature flue gas less with dust-laden contacts, and absorbs the waste heat in flue gas, and the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid preheat, be then sent through in left and right heat-pipe furnace heating.It has efficiency of heating surface height, simple in construction, reliable operation, the advantage such as easy for installation.
Description
Technical field
The present invention relates to chemical engineering industry field liquid heating operation process, specifically a kind of employing coal-fired heating titanium white waste acid
Titanium white waste acid heat-pipe furnace.
Background technology
In chemical engineering industry field, there are many liquid charging stocks, semi-finished product to need to concentrate, are processed into product；There is much liquid
Waste material, in order to meet the requirement of environmental protection, to spent acid, the concentration of waste liquid, the most all uses the operating process of heating evaporation.
Such as, in sulfuric acid method titanium pigment produces, the most scabrous is effective reuse of spent acid, because containing acid concentration being
The spent acid of about 20% to account for and to process the 70% of refuse, the heating of spent acid, concentration, remove impurity treatment for reuse or again with in always industry
The serious problems can't get rid of and do not receive.
The method making a general survey of domestic and international sulfuric acid method titanium pigment business processes spent acid, using heating, concentration is topmost method,
More external Large sulfuric acid method titanium dioxide enterprise all uses concentration method to process spent acid.Waste acid concentration method heats spent acid exactly, makes sulfur
Acid concentration increases, and is then back to hydrolysis procedure.At present, concentration method typically uses tube-type graphite heater to give up to heat titanium white
Acid, but there is Railway Project in operation: (1) energy consumption is high；Fluctuation of service；(2) equipment material requires height, and investment is big；(3) behaviour
Make complexity, maintenance difficult.
Do not find that a kind of efficiency of heating surface of pertinent literature report is high the most yet, heat exchange fully, be not easily blocked, simple in construction,
Stable, processing ease, reduced investment, be applicable to again the titanium white waste acid of middle-size and small-size sulfuric acid method titanium pigment enterprise heating titanium white waste acid
Heat-pipe furnace.
Summary of the invention
It is an object of the invention to provide that a kind of efficiency of heating surface is high, heat exchange fully, be not easily blocked, simple in construction, reduced investment
Titanium white waste acid firing equipment, specifically a kind of titanium white waste acid heat-pipe furnace.
The present invention is achieved in that titanium white waste acid heat-pipe furnace is by cleaning door, fire door, left heat pipe heater, right warm
Pipe heater, body of heater, fire grate, air inlet, deflection plate, partition wall, dust-removing flue, rear heat pipe heater, exhanst gas outlet form, and it is special
Levy and be: cleaning door is set below fire grate, have grey lid to cover, in order to ashes are removed in timing；Fire door is set in stokehold, it is simple to add
Coal and slagging-off；Make furnace wall in body of heater arranged on left and right sides with heat pipes heat section, absorb the hyperthermia radiation heat of burner hearth, at left and right heat pipe
In heater, the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid be heated to more than boiling point, left and right heat pipe heater
Spent acid outlet is connected with the spent acid inlet tube of flash tank；Body of heater is provided with fire grate, air inlet, deflection plate, partition wall, dedusting
Flue, exhanst gas outlet；Installing after heat pipe heater in flue, wherein the bringing-up section of heat pipe high-temperature flue gas less with dust-laden connects
Touch, absorb the waste heat in flue gas, and the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid preheat, are then sent through left and right heat
Pipe heating furnace heats.
Multi-disc is arranged on the left heat pipe heater of above-mentioned titanium white waste acid heat-pipe furnace and the heat transfer segment of right heat pipe heater
Fin, to improve heat transfer efficiency, heat transfer segment uses the material being able to bear strong corrosion to make, and bringing-up section uses resistant to elevated temperatures boiler steel
Become.
Multi-disc fin is arranged, to improve heat transfer effect on the heat pipe of the rear heat pipe heater of above-mentioned titanium white waste acid heat-pipe furnace
Rate, heat transfer segment uses the material being able to bear strong corrosion to make, and bringing-up section uses resistant to elevated temperatures boiler steel to make.
Being provided with dust-removing flue on the body of heater of above-mentioned titanium white waste acid heat-pipe furnace, flue gas is through deflection plate and the cigarette turned back
Road, removes the flue dust in flue gas, the bringing-up section of heat pipe heater after preventing from blocking.
Above-mentioned titanium white waste acid heat-pipe furnace is applicable to chemical engineering industry field liquid heating operation process.
The operation principle of the present invention is: during operation, is first lighted by burner hearth fuel, and burner hearth heats up, in body of heater arranged on left and right sides
Making furnace wall with heat pipes heat section, absorb the hyperthermia radiation heat of burner hearth, in left and right heat pipe heater, the heat transfer segment of heat pipe is with useless
Acid carries out heat exchange, makes spent acid be heated to more than boiling point；In flue install after heat pipe heater, wherein the bringing-up section of heat pipe with
The less high-temperature flue gas of dust-laden contacts, and absorbs the waste heat in flue gas, and the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid
Preheating, is then sent through in left and right heat-pipe furnace heating.The high-temperature flue gas come from burner hearth is blocked through deflection plate, ashes
Under, flue gas rises to the crook opposite side break-in return at dividing plate of turning back, and enters flue, flows through the heating of rear heat pipe heater
Section, heat pipes heat section high-temperature flue gas less with dust-laden contacts, absorption flue gas in waste heat, last flue gas by air-introduced machine from flue gas
Outlet is extracted out.
The invention have the advantage that
1. the efficiency of heating surface is high: heat pipe directly accepts burner hearth hyperthermia radiation heat, and rear heat pipe heater utilizes fume afterheat, therefore heat pipe adds
The hot efficiency of furnace is high.
2. simple in construction: itself do not have moving component, therefore have simple in construction, it is not necessary to the features such as maintenance.
3. reliable operation: adopting heat pipes for heat transfer section can use the material being able to bear strong corrosion to make, and ensures reliable.
The most easy for installation: volume is little, lightweight, it is simple to install.
Accompanying drawing explanation
Fig. 1 is the structure schematic front view of titanium white waste acid heat-pipe furnace of the present invention.
Fig. 2 is the structure schematic side view of titanium white waste acid heat-pipe furnace of the present invention.
As depicted in figs. 1 and 2, titanium white waste acid heat-pipe furnace is by cleaning door 1, fire door 2, left heat pipe heater 3, right heat pipe
Heater 4, body of heater 5, fire grate 6, air inlet 7, deflection plate 8, partition wall 9, dust-removing flue 10, rear heat pipe heater 11, exhanst gas outlet
12 compositions.
Detailed description of the invention
Below in conjunction with the accompanying drawings the present invention is elaborated.
As shown in Figure 1 the structure schematic side view of the present invention shown in the structure schematic front view of the present invention and Fig. 2 can be seen
Arrive, titanium white waste acid heat-pipe furnace by cleaning door 1, fire door 2, left heat pipe heater 3, right heat pipe heater 4, body of heater 5, fire grate 6,
Air inlet 7, deflection plate 8, partition wall 9, dust-removing flue 10, rear heat pipe heater 11, exhanst gas outlet 12 form, and it is characterized in that: at stove
Below row 6, cleaning door 1 is set, has grey lid to cover, in order to ashes are removed in timing；Fire door 2 is set in stokehold, it is simple to add coal and
Slagging-off；Make furnace wall in body of heater arranged on left and right sides with heat pipes heat section, absorb the hyperthermia radiation heat of burner hearth, left heat pipe heater 3 He
In right heat pipe heater 4, the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid be heated to more than boiling point, and left and right heat pipe adds
The spent acid outlet of hot device is connected with the spent acid inlet tube of flash tank；Body of heater 5 is provided with fire grate 6, air inlet 7, deflection plate
8, partition wall 9, dust-removing flue 10, exhanst gas outlet 12；In flue install after heat pipe heater 11, wherein the bringing-up section of heat pipe with contain
The less high-temperature flue gas of dirt contacts, and absorbs the waste heat in flue gas, and the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid pre-
The spent acid inlet tube of heat, the spent acid outlet of rear heat pipe heater 11 and left heat pipe heater 3 and the spent acid of right heat pipe heater 4
Inlet tube connects；The spent acid inlet tube of rear heat pipe heater 11 is connected with spent acid conveying pipe.
During operation, first being lighted by burner hearth fuel, burner hearth heats up, in body of heater 5 arranged on left and right sides with heat pipes heat Duan Zuolu
Wall, absorbs the hyperthermia radiation heat of burner hearth, and in left heat pipe heater 3 and right heat pipe heater 4, the heat transfer segment of heat pipe is entered with spent acid
Row heat exchange, makes spent acid be heated to more than boiling point；In flue install after heat pipe heater 11, wherein the bringing-up section of heat pipe with contain
The less high-temperature flue gas of dirt contacts, and absorbs the waste heat in flue gas, and the heat transfer segment of heat pipe and spent acid carry out heat exchange, make spent acid pre-
Heat, is then sent through in left and right heat-pipe furnace heating.High-temperature flue gas from burner hearth is through deflection plate 8, and ashes are blocked
Under, flue gas rises to the crook opposite side break-in return at partition wall 9 of turning back, and enters flue, flows through adding of rear heat pipe heater 11
Hot arc, heat pipes heat section high-temperature flue gas less with dust-laden contacts, and absorbs the waste heat in flue gas, last flue gas by air-introduced machine from cigarette
Gas outlet 12 extraction.
Claims (5)
1. a titanium white waste acid heat-pipe furnace, by cleaning door (1), fire door (2), left heat pipe heater (3), right heat pipe heater
(4), body of heater (5), fire grate (6), air inlet (7), deflection plate (8), partition wall (9), dust-removing flue (10), rear heat pipe heater
(11), exhanst gas outlet (12) composition, it is characterized in that: cleaning door (1) is set in fire grate (6) lower section, has grey lid to cover, in order to calmly
Time remove ashes；Fire door (2) is set in stokehold, it is simple to add coal and slagging-off；In body of heater arranged on left and right sides with heat pipes heat Duan Zuolu
Wall, absorbs the hyperthermia radiation heat of burner hearth, and in left heat pipe heater (3) and right heat pipe heater (4), the heat transfer segment of heat pipe is with useless
Acid carries out heat exchange, makes spent acid be heated to more than boiling point, the spent acid outlet of left heat pipe heater (3) and right heat pipe heater
(4) spent acid outlet is connected with the spent acid inlet tube of flash tank；Body of heater (5) is provided with fire grate (6), air inlet (7), folding
Stream plate (8), partition wall (9), dust-removing flue (10), exhanst gas outlet (12)；After heat pipe heater (11), Qi Zhongre is installed in flue
The bringing-up section of pipe high-temperature flue gas less with dust-laden contacts, and absorbs the waste heat in flue gas, and the heat transfer segment of heat pipe is carried out with spent acid
Heat exchange, makes spent acid preheat, the spent acid inlet tube of the spent acid outlet of rear heat pipe heater (11) and left heat pipe heater (3) and
The spent acid inlet tube of right heat pipe heater (4) connects；The spent acid inlet tube of rear heat pipe heater (11) is connected with spent acid conveying pipe.
Titanium white waste acid heat-pipe furnace the most according to claim 1, it is characterised in that: left heat pipe heater (3) and right heat
Arranging multi-disc fin in the heat transfer segment of pipe heater (4), to improve heat transfer efficiency, heat transfer segment uses the material system being able to bear strong corrosion
Becoming, bringing-up section uses resistant to elevated temperatures boiler steel to make.
Titanium white waste acid heat-pipe furnace the most according to claim 1, it is characterised in that: the heat pipe of rear heat pipe heater (11)
Upper layout multi-disc fin, to improve heat transfer efficiency, heat transfer segment uses the material being able to bear strong corrosion to make, and bringing-up section uses resistant to elevated temperatures
Boiler steel is made.
Titanium white waste acid heat-pipe furnace the most according to claim 1, it is characterised in that: on body of heater (5), it is provided with dedusting
Flue (9), flue gas through deflection plate (8) and the flue that turns back, is removed the flue dust in flue gas, is prevented heat pipe heater after blocking
(11) bringing-up section.
Titanium white waste acid heat-pipe furnace the most according to claim 1 is applicable to chemical engineering industry field liquid heating operation mistake
Journey.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569543.4A CN106197023B (en) | 2016-07-20 | 2016-07-20 | Titanium white waste acid heat-pipe furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610569543.4A CN106197023B (en) | 2016-07-20 | 2016-07-20 | Titanium white waste acid heat-pipe furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106197023A true CN106197023A (en) | 2016-12-07 |
| CN106197023B CN106197023B (en) | 2018-06-26 |
Family
ID=57494296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610569543.4A Expired - Fee Related CN106197023B (en) | 2016-07-20 | 2016-07-20 | Titanium white waste acid heat-pipe furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106197023B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174402A (en) * | 1984-02-17 | 1985-09-07 | 株式会社ササクラ | Small-sized heat pipe type once-through boiler |
| CN201463674U (en) * | 2009-07-22 | 2010-05-12 | 中国石油化工集团公司 | Heat pipe and air preheater with same |
| CN202002527U (en) * | 2011-03-04 | 2011-10-05 | 谷洪君 | Heat pipe type waste heat reclaiming device |
| CN202297124U (en) * | 2011-11-07 | 2012-07-04 | 湖北襄化机械设备有限公司 | Heat pipe-type heater for sulfur smelting groove |
| CN202400846U (en) * | 2011-12-05 | 2012-08-29 | 韩扶军 | Waste sulfuric acid concentrating and recovering plant |
| CN105588137A (en) * | 2014-10-21 | 2016-05-18 | 王帅 | Heat pipe waste heat recovery device |
-
2016
- 2016-07-20 CN CN201610569543.4A patent/CN106197023B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60174402A (en) * | 1984-02-17 | 1985-09-07 | 株式会社ササクラ | Small-sized heat pipe type once-through boiler |
| CN201463674U (en) * | 2009-07-22 | 2010-05-12 | 中国石油化工集团公司 | Heat pipe and air preheater with same |
| CN202002527U (en) * | 2011-03-04 | 2011-10-05 | 谷洪君 | Heat pipe type waste heat reclaiming device |
| CN202297124U (en) * | 2011-11-07 | 2012-07-04 | 湖北襄化机械设备有限公司 | Heat pipe-type heater for sulfur smelting groove |
| CN202400846U (en) * | 2011-12-05 | 2012-08-29 | 韩扶军 | Waste sulfuric acid concentrating and recovering plant |
| CN105588137A (en) * | 2014-10-21 | 2016-05-18 | 王帅 | Heat pipe waste heat recovery device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106197023B (en) | 2018-06-26 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| 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: 20180626 Termination date: 20210720 |