CN208382914U - A kind of carbon preheating device - Google Patents
A kind of carbon preheating device Download PDFInfo
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- CN208382914U CN208382914U CN201820760483.9U CN201820760483U CN208382914U CN 208382914 U CN208382914 U CN 208382914U CN 201820760483 U CN201820760483 U CN 201820760483U CN 208382914 U CN208382914 U CN 208382914U
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- hot wind
- preheating
- furnace
- air
- carbon
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Abstract
The utility model discloses a kind of carbon preheating devices, the carbon preheating device includes combustion furnace and preheating furnace, the combustion furnace is fuel gas buring furnace, it is equipped with burner in the combustion chamber, the hot wind delivery outlet and hot wind return air inlet communicated with combustion chamber is equipped on combustion furnace, hot wind inlet box is equipped with along preheating chamber length direction in preheating furnace bottom of furnace body, hot wind air-intaking box is equipped with along preheating chamber length direction at the top of preheating furnace body, hot wind inlet box is connected to by hot wind output channel with combustion furnace hot air delivery outlet, hot wind air-intaking box is connected to by hot wind return air duct with combustion furnace hot air return air inlet, exhaust emission pipe is further connected on hot wind air-intaking box, uniformity of temperature profile in preheating chamber when the carbon preheating device works, bitumen flue gas discharge amount is small, warm thermal loss is few, heat utilization rate is high, energy-saving effect is good.
Description
Technical field
The utility model relates to a kind of preheating device, for carbon blank in especially a kind of carbon materials production process
Carry out pre-add heat-treating apparatus.
Background technique
Carbon blank needs to be heated to before dipping 280~320 DEG C of progress the pre-heat treatments, can generate during preheating
A large amount of hard pitch flue gases, these bitumen flue gas contain a large amount of aromatic hydrocarbon volatile ingredient, if be directly discharged in atmosphere not
But it pollutes the environment, and also results in thermal loss, be unfavorable for energy-saving and emission-reduction.In addition, not having in preheating chamber in the prior art
There is air-distribution device, hot wind flow uniformity in preheating chamber is poor, and temperature distribution is non-uniform in preheating chamber, for some large-scale carbons
Blank pre-heat effect is undesirable.
Utility model content
Utility model technical problems to be solved: providing a kind of carbon preheating device, and the carbon preheating device is pre- when working
Uniformity of temperature profile in hot cell, bitumen flue gas discharge amount is small, and warm thermal loss is few, and heat utilization rate is high, energy-saving effect
It is good.
The technical solution adopted for solving the technical problem: a kind of carbon preheating device, including combustion furnace and preheating furnace, it is described
Combustion furnace is fuel gas buring furnace, is equipped with burner in the combustion chamber, and the hot wind output communicated with combustion chamber is equipped on combustion furnace
Mouth and hot wind return air inlet are equipped with hot wind inlet box along preheating chamber length direction in preheating furnace bottom of furnace body, on preheating furnace body top
Portion is equipped with hot wind air-intaking box along preheating chamber length direction, and hot wind inlet box passes through hot wind output channel and combustion furnace hot air delivery outlet
Connection, hot wind air-intaking box are connected to combustion furnace hot air return air inlet by hot wind return air duct, are further connected on hot wind air-intaking box useless
Gas discharge tube.
Improvement as the utility model: truck track and objective table are equipped in the top of hot wind inlet box.
As further improvement of the utility model: combustion furnace, which is located above preheating furnace, forms integral structure with preheating furnace,
The hot wind return air duct is perforation burning drop-bottom and the through-hole for preheating stove roof plate.
Further improvement as the utility model: being additionally provided with tubular small combustion chamber in the combustion chamber of combustion furnace,
The barrel of small combustion chamber is equipped with multiple fire jetting holes.
Air-heater is equipped on hot wind output channel.
Air heat-exchange pipeline is equipped on exhaust emission pipe, fuel gas is after the preheating of air heat-exchange pipeline by fuel gas conduit
Into combustion furnace.
Hot wind inlet box is equal with hot wind air-intaking box length, width.
Fixed and movable adjustable plate is equipped on inlet box.
Preferred plan as the utility model: the air inlet of hot wind inlet box and the Waste gas outlet point of hot wind air-intaking box
Not Wei Yu chamber length direction both ends.
The utility model has the advantages that the carbon preheating device of the utility model includes combustion furnace and pre- due to using carbon preheating device
Hot stove, the combustion furnace are fuel gas buring furnace, are equipped with burner in the combustion chamber, are equipped on combustion furnace and communicate with combustion chamber
Hot wind delivery outlet and hot wind return air inlet are equipped with hot wind inlet box along preheating chamber length direction in preheating furnace bottom of furnace body, are preheating
It is equipped with hot wind air-intaking box along preheating chamber length direction at the top of furnace body, hot wind inlet box passes through hot wind output channel and combustion furnace heat
The connection of wind delivery outlet, hot wind air-intaking box is connected to by hot wind return air duct with combustion furnace hot air return air inlet, on hot wind air-intaking box
It is further connected with the technical solution of exhaust emission pipe, combustion chamber is entered by the bitumen flue gas of preheating chamber discharge when work, through combustion furnace
It is again introduced into preheating chamber after heating, forms circulating air, in cyclic process, bitumen flue gas is mixed with fuel gas in combustion furnace
Latter combust is closed to decompose, only a small amount of exhaust gas is finally discharged via exhaust emission pipe, therefore, bitumen flue gas discharge amount pole
Small, environment protecting is good, due to the hot wind air-intaking box for being provided with hot wind inlet box in preheating chamber and being matched therewith, and is entering the wind
Case is equipped with fixed and movable adjustable plate, can adjust intake according to different requirements, so that hot wind flows more evenly in preheating chamber,
Without dead angle, indoor Temperature Distribution is preheated more evenly, the pre-heat effect of carbon blank is more preferable.Due to using in hot wind inlet box
Top be equipped with the technical characteristic of truck track and objective table, it is more convenient to make to transport carbon blank into preheating chamber, can satisfy
The production requirement of large scale carbon pole.It is located at preheating furnace top and preheating furnace formation integral structure due to using combustion furnace,
The hot wind return air duct is the technical characteristic of the through-hole of perforation burning drop-bottom and preheating stove roof plate, on the one hand shortens hot wind
On the other hand the length of return air duct hot wind return air duct is arranged in burning drop-bottom and preheating stove roof plate, relatively setting exists
Furnace body external insulation effect is more preferable, and therefore, thermal loss is less, energy-saving effect is more preferable.Due to using the burning in combustion furnace
Interior is additionally provided with tubular small combustion chamber, and multiple fire jetting holes are equipped on the barrel of small combustion chamber enables thermal-flame and bitumen flue gas
It enough comes into full contact with, the burning of bitumen flue gas, discomposing effect are more preferable, and harmful components are less in the exhaust gas discharged, and environment protecting is more
It is good.The technical characteristic of air-heater is equipped on hot wind output channel due to using, keeps the circulating effect of hot wind more preferable, and more
Room temperature can be preheated come real-time control by adjusting rotation speed of fan, control the temperature of preheating chamber more accurate.Due to using
Exhaust emission pipe is equipped with air heat-exchange pipeline, and cold air enters combustion furnace by fuel gas conduit after the preheating of air heat-exchange pipeline
Technical characteristic has further recycled heat entrained by exhaust gas, and has improved combustion efficiency.Due to use hot wind inlet box with
The equal technical characteristic of hot wind air-intaking box length, width, and fixed and movable adjustable plate is equipped on inlet box, it can be wanted according to difference
Adjusting intake is sought, hot wind is made to preheat indoor flowing more evenly.Due to using the air inlet and hot wind of hot wind inlet box
The Waste gas outlet of air-intaking box is located at the technical characteristic at the both ends in chamber length direction, it is possible to prevente effectively from high-temperature flue gas
It is discharged by exhaust pipe, energy-saving effect is more preferable.
Detailed description of the invention
The carbon preheating device of the utility model is described in further detail with reference to the accompanying drawing.
Fig. 1 is the longitudinal profile structure schematic of the carbon preheating device of the utility model；
Fig. 2 is the horizontal section knot signal composition of the carbon preheating device of the utility model.
Specific embodiment
As shown in Figure 1 and Figure 2, the carbon preheating device of the utility model includes combustion furnace 2 and preheating furnace 3, the combustion furnace
For fuel gas buring furnace, it is equipped with burner in combustion chamber 11, the hot wind delivery outlet 12 communicated with combustion chamber is equipped on combustion furnace
With hot wind return air inlet, it is equipped with hot wind inlet box 15 along 17 length direction of preheating chamber in preheating furnace bottom of furnace body, hot wind inlet box
Bottom plate be lower than ground, and on inlet box be equipped with fixed and movable adjustable plate, can according to different requirement adjusting intake, hot wind into
The top of bellows is equipped with truck track 19 and objective table 16, returns along preheating chamber length direction equipped with hot wind at the top of preheating furnace body
Bellows 18, hot wind inlet box are connected to combustion furnace hot air delivery outlet by hot wind output channel 14, are set on hot wind output channel
Have an air-heater 13, hot wind air-intaking box is connected to by hot wind return air duct 10 with combustion furnace hot air return air inlet, hot wind inlet box and
Hot wind air-intaking box length, width are equal, and the air inlet of hot wind inlet box and the Waste gas outlet 4 of hot wind air-intaking box are located at combustion
Burn the both ends of room length direction.
Preferably, combustion furnace, which is located above preheating furnace, forms integral structure with preheating furnace, outside combustion furnace and preheating furnace
Integral heat insulation processing is carried out, the hot wind return air duct is perforation burning drop-bottom and the through-hole 10 for preheating stove roof plate, in hot wind
It is further connected with exhaust emission pipe 5 on air-intaking box, air heat-exchange pipeline 7 is equipped on exhaust emission pipe, cold air is changed through air
Combustion furnace is entered by fuel gas conduit 6 after heat pipeline preheating, tubular small combustion chamber 9 is additionally provided in the combustion chamber of combustion furnace, tubular is small
The trend of combustion chamber moves towards identical with hot wind air-intaking box, and multiple fire jetting holes 8 are equipped on the barrel of small combustion chamber.
In the present embodiment, the fire door 1 of preheating furnace uses port-cullis formula fire door, and sealing effect is good.Actual production and use process
In also can choose other forms fire door.
Claims (9)
1. a kind of carbon preheating device, including combustion furnace and preheating furnace, the combustion furnace is fuel gas buring furnace, is set in the combustion chamber
There is burner, the hot wind delivery outlet and hot wind return air inlet communicated with combustion chamber is equipped on combustion furnace, it is characterized in that: in preheating furnace
Bottom of furnace body is equipped with hot wind inlet box along preheating chamber length direction, is equipped with heat along preheating chamber length direction at the top of preheating furnace body
Wind air-intaking box, hot wind inlet box are connected to by hot wind output channel with combustion furnace hot air delivery outlet, and hot wind air-intaking box passes through hot wind
Return air duct is connected to combustion furnace hot air return air inlet, is further connected with exhaust emission pipe on hot wind air-intaking box.
2. carbon preheating device according to claim 1, it is characterized in that: being equipped with truck track in the top of hot wind inlet box
And objective table.
3. carbon preheating device according to claim 1 or 2, it is characterized in that: combustion furnace is located above preheating furnace and preheating
Furnace forms integral structure, and the hot wind return air duct is perforation burning drop-bottom and the through-hole for preheating stove roof plate.
4. carbon preheating device according to claim 3, it is characterized in that: it is small to be additionally provided with tubular in the combustion chamber of combustion furnace
Combustion chamber is equipped with multiple fire jetting holes on the barrel of small combustion chamber.
5. carbon preheating device according to claim 3, it is characterized in that: being equipped with air-heater on hot wind output channel.
6. carbon preheating device according to claim 5, it is characterized in that: being equipped with air heat-exchange pipe on exhaust emission pipe
Road, fuel gas enter combustion furnace by fuel gas conduit after the preheating of air heat-exchange pipeline.
7. carbon preheating device according to claim 6, it is characterized in that: hot wind inlet box and hot wind air-intaking box length, width
It spends equal.
8. carbon preheating device according to claim 7, it is characterized in that: being equipped with fixed and movable adjusting on inlet box
Plate.
9. carbon preheating device according to claim 8, it is characterized in that: the air inlet of hot wind inlet box and hot wind air-intaking box
Waste gas outlet be located at the both ends in chamber length direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760483.9U CN208382914U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon preheating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820760483.9U CN208382914U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon preheating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208382914U true CN208382914U (en) | 2019-01-15 |
Family
ID=64971582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820760483.9U Active CN208382914U (en) | 2018-05-22 | 2018-05-22 | A kind of carbon preheating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208382914U (en) |
-
2018
- 2018-05-22 CN CN201820760483.9U patent/CN208382914U/en active Active
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