CN105647558A - Pipe type coal tar heating furnace - Google Patents
Pipe type coal tar heating furnace Download PDFInfo
- Publication number
- CN105647558A CN105647558A CN201610148746.6A CN201610148746A CN105647558A CN 105647558 A CN105647558 A CN 105647558A CN 201610148746 A CN201610148746 A CN 201610148746A CN 105647558 A CN105647558 A CN 105647558A
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- CN
- China
- Prior art keywords
- heat
- coal tar
- stiffening device
- radiation chamber
- chamber
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- 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.)
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C1/00—Working-up tar
- C10C1/19—Working-up tar by thermal treatment not involving distillation
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a pipe type coal tar heating furnace. The pipe type coal tar heating furnace comprises a furnace body, a heat exchanging furnace pipe, a combustor and a heat radiation reinforcing device, wherein the furnace body comprises a radiation chamber and a convection chamber arranged above the radiation chamber; the radiation chamber and the convection chamber are communicated through a communication hole; the heat radiation reinforcing device is arranged in the radiation chamber and is close to the convection chamber; the heat radiation reinforcing device is a cone; the vertex of the heat radiation reinforcing device points to the bottom of the radiation chamber; the bottom surface of the heat radiation reinforcing device is close to the convection chamber; a gap is formed between the bottom surface of the heat radiation reinforcing device and a side wall of the radiation chamber; the heat radiation reinforcing device is used for stopping high-temperature gas generated by combustion of coal gas; the high-temperature gas is led to flow into the heat exchanging furnace pipe of the radiation chamber and then enters the convection chamber from the gap, so that heat of the high-temperature gas is sufficiently transmitted to coal tar in the heat exchanging furnace pipe through prolonging detention time of the high-temperature gas in the radiation chamber.
Description
Technical field
The present invention relates to a kind of firing equipment, be specifically related to a kind of tubular type coal tar-heater.
Background technology
Tubular heater is the necessary equipment of coal chemical industry, is mainly used in the deep processing to coal tar and processes, and more than 150,000 tons tubular heaters of current China there are about 5,000,000, and year, standard coal about 12,000,000 tons amounted to by consumed fuel. The structure of self owing to being subject to tubular heater limits, such as, realize radiant heat transfer mode simply by burning coal gas coal tar is heated, high-temperature gas produced by burning coal gas cannot be made to add hot coal tar fully, just discharge from the chimney of tubular heater, both caused the huge waste of the energy.
Summary of the invention
In view of this, it is necessary to provide a kind of high-temperature gas that can make generation that heat passes to the tubular type coal tar-heater of the coal tar in boiler tube fully.
A kind of tubular type coal tar-heater, including body of heater, heat exchange boiler tube, burner, heat radiation stiffening device, described body of heater includes radiation chamber and is arranged on the convection cell above radiation chamber, described radiation chamber, convection cell are connected by intercommunicating pore, heat exchange boiler tube is arranged in described radiation chamber, the two ends of heat exchange boiler tube are exposed at outside body of heater, burner is arranged in described radiation chamber, and by burning, coal gas carries out radiant heat transfer with the coal tar in heat exchanging boiler tube, heat radiation stiffening device is arranged in described radiation chamber, and near described convection cell, heat radiation stiffening device is bullet, the bottom of described radiation chamber is pointed on the summit of heat radiation stiffening device, the bottom surface of heat radiation stiffening device is near described convection cell, and the size being sized larger than intercommunicating pore of the bottom surface of heat radiation stiffening device, the size of the cross section being smaller in size than described radiation chamber of the bottom surface of heat radiation stiffening device, so that forming gap between the sidewall of the bottom surface of heat radiation stiffening device and described radiation chamber, heat radiation stiffening device stops high-temperature gas produced by gas-fired, and after guiding high-temperature gas to flow to the heat exchange boiler tube being arranged on described radiation chamber, again from the gap into described convection cell, the heat of high-temperature gas is passed to the coal tar in heat exchange boiler tube fully by the prolongation high-temperature gas holdup time in described radiation chamber.
In above-mentioned tubular type coal tar-heater, heat radiation stiffening device is arranged in described radiation chamber, and near described convection cell, heat radiation stiffening device is bullet, the bottom of described radiation chamber is pointed on the summit of heat radiation stiffening device, the bottom surface of heat radiation stiffening device is near described convection cell, and the size being sized larger than intercommunicating pore of the bottom surface of heat radiation stiffening device, the size of the cross section being smaller in size than described radiation chamber of the bottom surface of heat radiation stiffening device, so that forming gap between the sidewall of the bottom surface of heat radiation stiffening device and described radiation chamber, heat radiation stiffening device stops high-temperature gas produced by gas-fired, and after guiding high-temperature gas to flow to the heat exchange boiler tube being arranged on the inwall of described radiation chamber, again from the gap into described convection cell, the heat of high-temperature gas is passed to the coal tar in heat exchange boiler tube fully by the prolongation high-temperature gas holdup time in described radiation chamber, heat transmission and gas-fired radiant heat transfer thus by high-temperature gas realize the heating to coal tar.
Accompanying drawing explanation
Fig. 1 is the structural representation of the tubular type coal tar-heater of a better embodiment.
In figure: tubular type coal tar-heater 10, body of heater 20, radiation chamber 21, convection cell 22, intercommunicating pore 23, chimney 24, heat exchange boiler tube 30, burner 40, heat radiation stiffening device 50, connector 51, gap 60, air-introduced machine 70, air heat-exchange pipe 80, coal tar economizer bank 90.
Detailed description of the invention
Refer to Fig. 1, tubular type coal tar-heater 10 includes body of heater 20, heat exchange boiler tube 30, burner 40, heat radiation stiffening device 50; Described body of heater 20 includes radiation chamber 21 and is arranged on the convection cell 22 above radiation chamber 21, described radiation chamber 21, convection cell 22 are connected by intercommunicating pore 23, heat exchange boiler tube 30 is arranged in described radiation chamber 21, the two ends of heat exchange boiler tube 30 are exposed at outside body of heater 20, burner 40 is arranged in described radiation chamber 21, and by burning, coal gas carries out radiant heat transfer with the coal tar in heat exchanging boiler tube 30.
It is indoor that heat radiation stiffening device 50 is arranged on described radiation 21, and near described convection cell 22, heat radiation stiffening device 50 is bullet, the bottom of described radiation chamber 21 is pointed on the summit of heat radiation stiffening device 50, the bottom surface of heat radiation stiffening device 50 is near described convection cell 22, and the size being sized larger than intercommunicating pore 23 of the bottom surface of heat radiation stiffening device 50, the size of the cross section being smaller in size than described radiation chamber 21 of the bottom surface of heat radiation stiffening device 50, so that forming gap 60 between the sidewall of the bottom surface of heat radiation stiffening device 50 and described radiation chamber 21. Such as, heat radiation stiffening device 50 is cone shape, the underrun connector 51 of heat radiation stiffening device 50 is fixing with the top of described radiation chamber 21 to be connected, connector 51 can adopt reinforcing bar and refractory material to make, also it is wrapped on reinforcing bar by refractory material, heat radiation stiffening device 50 adopts refractory material to make, for instance refractory. Heat radiation stiffening device 50 stops high-temperature gas produced by gas-fired, and after guiding high-temperature gas to flow to the heat exchange boiler tube 30 being arranged on described radiation chamber 21, described convection cell 22 is entered again from gap 60, to pass through to extend the high-temperature gas holdup time in described radiation chamber 21, the heat of high-temperature gas is passed to the coal tar in heat exchange boiler tube 30 fully. Further, the top of convection cell 22 can optionally be provided with chimney 24, thus realizing the drain of flue gas.
Further, tubular type coal tar-heater 10 also includes air-introduced machine 70, air heat-exchange pipe 80, air heat-exchange pipe 80 is arranged in convection cell 22, and the two ends of air heat-exchange pipe 80 stretch out from convection cell 22, one end of air heat-exchange pipe 80 is connected with air-introduced machine 70, the other end of air heat-exchange pipe 80 is connected with the air inlet of described radiation chamber 21, cold air is transported in air heat-exchange pipe 80 by air-introduced machine 70, cold air is after 80s through the air heat-exchange pipe being arranged in convection cell 22, air temperature is transported to described radiation chamber 21 after raising again, to realize the abundant burning of coal gas.
Further, tubular type coal tar-heater 10 also includes coal tar economizer bank 90, coal tar economizer bank 90 is arranged in convection cell 22, the two ends of coal tar economizer bank 90 are stretched out from convection cell 22, coal tar economizer bank 90 is positioned at the lower section of air heat-exchange pipe 80, one end of coal tar economizer bank 90 is connected with extraneous coal tar feeding mechanism, and the other end of coal tar economizer bank 90 is connected with one end of heat exchange boiler tube 30, to be delivered to by the coal tar of preheating in heat exchange boiler tube 30 and to continue heating.
In above-mentioned tubular type coal tar-heater 10, heat radiation stiffening device 50 is arranged in described radiation chamber 21, and near described convection cell 22, heat radiation stiffening device 50 is bullet, the bottom of described radiation chamber 21 is pointed on the summit of heat radiation stiffening device 50, the bottom surface of heat radiation stiffening device 50 is near described convection cell 22, and the size being sized larger than intercommunicating pore 23 of the bottom surface of heat radiation stiffening device 50, the size of the cross section being smaller in size than described radiation chamber 21 of the bottom surface of heat radiation stiffening device 50, so that forming gap between the sidewall of the bottom surface of heat radiation stiffening device 50 and described radiation chamber 21, heat radiation stiffening device 50 stops high-temperature gas produced by gas-fired, and after guiding high-temperature gas to flow to the heat exchange boiler tube 30 being arranged on described radiation chamber 21, described convection cell 22 is entered again from gap, the heat of high-temperature gas is passed to the coal tar in heat exchange boiler tube 30 fully by the prolongation high-temperature gas holdup time in described radiation chamber 21, heat transmission and gas-fired radiant heat transfer thus by high-temperature gas realize the heating to coal tar.
Claims (4)
1. a tubular type coal tar-heater, including body of heater, heat exchange boiler tube, burner, described body of heater includes radiation chamber and is arranged on the convection cell above radiation chamber, described radiation chamber, convection cell is connected by intercommunicating pore, heat exchange boiler tube is arranged in described radiation chamber, the two ends of heat exchange boiler tube are exposed at outside body of heater, burner is arranged in described radiation chamber, by burning, coal gas carries out radiant heat transfer with the coal tar in heat exchanging boiler tube, it is characterized in that: tubular type coal tar-heater also includes heat radiation stiffening device, heat radiation stiffening device is arranged in described radiation chamber, and near described convection cell, heat radiation stiffening device is bullet, the bottom of described radiation chamber is pointed on the summit of heat radiation stiffening device, the bottom surface of heat radiation stiffening device is near described convection cell, and the size being sized larger than intercommunicating pore of the bottom surface of heat radiation stiffening device, the size of the cross section being smaller in size than described radiation chamber of the bottom surface of heat radiation stiffening device, so that forming gap between the sidewall of the bottom surface of heat radiation stiffening device and described radiation chamber, heat radiation stiffening device stops high-temperature gas produced by gas-fired, and after guiding high-temperature gas to flow to the heat exchange boiler tube being arranged on described radiation chamber, again from the gap into described convection cell, the heat of high-temperature gas is passed to the coal tar in heat exchange boiler tube fully by the prolongation high-temperature gas holdup time in described radiation chamber.
2. tubular type coal tar-heater as claimed in claim 1, it is characterized in that: tubular type coal tar-heater also includes air-introduced machine, air heat-exchange pipe, air heat-exchange pipe is arranged in convection cell, and the two ends of air heat-exchange pipe stretch out from convection cell, one end of air heat-exchange pipe is connected with air-introduced machine, the other end of air heat-exchange pipe is connected with the air inlet of described radiation chamber, cold air is transported in air heat-exchange pipe by air-introduced machine, cold air temperature after the air heat-exchange pipe being arranged in convection cell is delivered to described radiation chamber after raising, to realize the abundant burning of coal gas.
3. tubular type coal tar-heater as claimed in claim 2, it is characterized in that: tubular type coal tar-heater also includes coal tar economizer bank, coal tar economizer bank is arranged in convection cell, the two ends of coal tar economizer bank are stretched out from convection cell, coal tar economizer bank is positioned at the lower section of air heat-exchange pipe, one end of coal tar economizer bank is connected with extraneous coal tar feeding mechanism, and the other end of coal tar economizer bank is connected with one end of heat exchange boiler tube, to be delivered in heat exchange boiler tube by the coal tar of preheating.
4. tubular type coal tar-heater as claimed in claim 1, it is characterised in that: heat radiation stiffening device is cone shape, and the underrun connector of heat radiation stiffening device is fixing with the top of described radiation chamber to be connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148746.6A CN105647558A (en) | 2016-03-16 | 2016-03-16 | Pipe type coal tar heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610148746.6A CN105647558A (en) | 2016-03-16 | 2016-03-16 | Pipe type coal tar heating furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105647558A true CN105647558A (en) | 2016-06-08 |
Family
ID=56493847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610148746.6A Pending CN105647558A (en) | 2016-03-16 | 2016-03-16 | Pipe type coal tar heating furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105647558A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688297A (en) * | 1949-07-12 | 1953-03-04 | Bataafsche Petroleum | Improvements in tubular heaters |
| GB757762A (en) * | 1954-06-23 | 1956-09-26 | Petro Chem Process Company | Improvements in or relating to a vertical tube heater |
| CN2383974Y (en) * | 1999-03-29 | 2000-06-21 | 盘锦市华孚电器有限公司 | Ring fume duct type heating stove |
| CN105176560A (en) * | 2015-10-10 | 2015-12-23 | 江阴市澄源机电设备制造有限公司 | Asphalt heating furnace |
| CN205420286U (en) * | 2016-03-16 | 2016-08-03 | 宁夏盐池县恒汇丰煤化工有限公司 | Tubular coal tar heating furnace |
-
2016
- 2016-03-16 CN CN201610148746.6A patent/CN105647558A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB688297A (en) * | 1949-07-12 | 1953-03-04 | Bataafsche Petroleum | Improvements in tubular heaters |
| GB757762A (en) * | 1954-06-23 | 1956-09-26 | Petro Chem Process Company | Improvements in or relating to a vertical tube heater |
| CN2383974Y (en) * | 1999-03-29 | 2000-06-21 | 盘锦市华孚电器有限公司 | Ring fume duct type heating stove |
| CN105176560A (en) * | 2015-10-10 | 2015-12-23 | 江阴市澄源机电设备制造有限公司 | Asphalt heating furnace |
| CN205420286U (en) * | 2016-03-16 | 2016-08-03 | 宁夏盐池县恒汇丰煤化工有限公司 | Tubular coal tar heating furnace |
Non-Patent Citations (1)
| Title |
|---|
| 于江林等: "《石油化工—过程装备与控制》", 31 May 2008, 哈尔滨工程大学出版社 * |
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Application publication date: 20160608 |