CN208860108U - A kind of novel dore furnace - Google Patents
A kind of novel dore furnace Download PDFInfo
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- CN208860108U CN208860108U CN201821368216.3U CN201821368216U CN208860108U CN 208860108 U CN208860108 U CN 208860108U CN 201821368216 U CN201821368216 U CN 201821368216U CN 208860108 U CN208860108 U CN 208860108U
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- furnace body
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- distribution box
- baffle
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Abstract
The utility model discloses a kind of novel dore furnaces, including cyclone preheater, furnace body and the pre-burning smoke-box below furnace body, uptake flue is connected between pre-burning smoke-box and furnace body, hot air pipe is connected between the cyclone preheater and upper of furnace body, feed inlet is provided at the top of the furnace body, feeding device is installed at feed inlet, feeding device includes feed pot, material blanking tube and multiple loading hoppers, material blanking tube is connected between feed pot and the feed inlet of furnace body, the lower part of the furnace body is equipped with coal injection pipe and air duct, coal injection pipe is located at the top of air duct, and the outlet of coal injection pipe tilts down, the air duct includes integrally formed primary air piping, secondary air channel and tertiary-air pipe.Raw material, fuel and fuel oil can not only be carried out sub-material by the utility model, moreover it is possible to be mixed First air, Secondary Air and tertiary air and are sent into furnace body, improve the burn-off rate of raw material.
Description
Technical field
The utility model relates to powder production equipment technologies, and in particular to a kind of novel dore furnace.
Background technique
Dore furnace is a fuel combustion, heat exchange and decomposition reaction while the Thermal Equipment carried out.Its principle be
Fed in furnace simultaneously it is preheated after raw material, a certain amount of fuel, fuel oil and suitable hot gas, raw material can be in furnace sufficiently
After the burning several seconds and decompose.And existing most of dore furnaces pass through a feed opening and feed, not by raw material, fuel
And fuel oil carries out sub-material, raw material are mixed with fuel and fuel oil, reduce the burn-off rate of raw material.In addition, general in furnace
It is by tertiary-air pipe air feed, and tertiary air is close from furnace outlet, and temperature is low, and burning time is short, and combustion efficiency is poor, it is therefore desirable to
It is combined with First air or Secondary Air and is sent into burner hearth, promote raw material burning.
Summary of the invention
The purpose of this utility model is to provide a kind of novel dore furnace, the dore furnace not only can by raw material, fuel and
Fuel oil carries out sub-material, moreover it is possible to mix First air, Secondary Air and tertiary air and be sent into furnace body, improve the burn-off rate of raw material.
The purpose of this utility model is achieved through the following technical solutions: a kind of novel dore furnace, including whirlwind preheating
Device, furnace body and the pre-burning smoke-box below furnace body, are connected with uptake flue between pre-burning smoke-box and furnace body, the whirlwind is pre-
It is connected with hot air pipe between hot device and upper of furnace body, is provided with feed inlet at the top of the furnace body, charging is installed at feed inlet
Device, feeding device include feed pot, material blanking tube and multiple loading hoppers, and material blanking tube is connected to the feed inlet of feed pot and furnace body
Between, adjusting rod is fixed at the top of feed pot, multiple loading hoppers are installed at the top of feed pot and, institute circumferentially distributed around adjusting rod
It states and is provided with the slot equal with loading hopper quantity on adjusting rod, sliding is provided with cutting in slot, and the loading hopper is close to adjusting
The side of bar is hinged with hopper cover, and strut is provided on the inside of hopper cover, and strut one end is inserted into slot and is located under cutting
Side is provided with adjustment spring between the part of the strut insertion slot and the bottom surface of slot, is provided in the feed pot perpendicular
The inner cavity of feed pot is divided into multiple separated material corresponding with loading hopper spaces, the furnace body inner cavity by straight material baffle, material baffle
Top be fixed with distribution box, the hot air pipe is located at below distribution box, be provided with sub-material mouth at the top of the distribution box, sub-material mouth with
One of separated material space connection, the bottom plate of distribution box is pore sieve plate, and vibrating motor is equipped in distribution box, the furnace body
Lower part coal injection pipe and air duct are installed, coal injection pipe is located at the top of air duct, and the outlet of coal injection pipe tilts down, described
Air duct includes integrally formed primary air piping, secondary air channel and tertiary-air pipe.
Further, bottom is equipped with deflector in the feed pot, is provided in the middle part of deflector and is connected to material blanking tube
Material-dropping hole.
Further, baffle is fixed on the bottom plate of the distribution box, baffle is located at distribution box bottom plate far from sub-material mouth
Side, the vibrating motor are mounted on the lower surface of baffle.
Further, fishing cinder notch is provided on side wall of the distribution box far from sub-material mouth.
Further, the hot air pipe is located at immediately below baffle.
The utility model has the beneficial effect that
1, by the way that feeding device is arranged on furnace body, raw material, fuel and fuel oil can be added respectively according to different loading hoppers
Enter, the raw material being added independently of can further screen in distribution box, and the small raw material of conglomeration are shaken off to burning in furnace body, are had
Using the abundant decomposition of raw material, to improve the burn-off rate and resolution ratio of raw material；
It 2, can be by First air, Secondary Air and three by the way that integrally formed primary air piping, secondary air channel and tertiary-air pipe is arranged
Secondary wind mixing is sent into furnace body, and the burn-off rate of raw material is improved.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of furnace body in the utility model；
Fig. 3 is the structural schematic diagram of feeding device in the utility model；
Marked in the figure: 1- furnace body；2- pre-burning smoke-box；3- feeding device；4- cyclone preheater；5- uptake flue；6- air feed
Pipe；7- coal injection pipe；8- hot air pipe；9- distribution box；10- pore sieve plate；11- vibrating motor；12- fishes out cinder notch；13- material baffle；14-
Deflector；15- baffle；61- primary air piping；62- tertiary-air pipe；63- secondary air channel；31- feed pot；32- loading hopper；33- material
Bucket cover；34- strut；35- adjusting rod；36- cutting；37- sliding slot；38- adjustment spring；39- material blanking tube.
Specific embodiment
As shown in FIG. 1 to 3, novel dore furnace provided in this embodiment includes cyclone preheater 4, furnace body 1 and is located at
The pre-burning smoke-box 2 of 1 lower section of furnace body, is connected with uptake flue 5, the part in uptake flue 5 is high between pre-burning smoke-box 2 and furnace body 1
Wet body, which can enter in furnace body 1, promotes raw material burning.Hot air pipe 8 is connected between the cyclone preheater 4 and upper of furnace body, heat
Air hose is used for heat supply, and the top of the furnace body 1 is provided with feed inlet, and 1 lower part of furnace body is equipped with coal injection pipe 7 and air duct 6, coal injection pipe
7 are located at the top of air duct 6, and the outlet of coal injection pipe 7 tilts down, and air duct 6 includes integrally formed primary air piping 61, two
Secondary air hose 63 and tertiary-air pipe 62, in the present embodiment, air duct 6 is fixed with two pieces of partitions, and the inner space of air duct 6 is separated
For three independent spaces, three independent spaces are successively passed through First air, Secondary Air tertiary air, the form of this mixing wind
It avoids tertiary air once largely to enter in furnace body 1, influences the stability of raw material burning, to be conducive to improve the after-flame of raw material
Rate.
During 1 initial charge of furnace body, for the ease of raw material, remaining combustor fuel oil are carried out sub-material, the furnace
Feeding device 3 is installed at the feed inlet of body 1, feeding device 3 includes feed pot 31, material blanking tube 39 and multiple loading hoppers 32,
Material blanking tube 39 is connected between feed pot 31 and the feed inlet of furnace body 1, and the top of feed pot 31 is fixed with adjusting rod 35, Duo Gejia
Hopper 32 is installed in the top of feed pot 31 and is uniformly distributed around adjusting rod 35 is circumferential, is provided on the adjusting rod 35 and loading hopper
The equal slot of 32 quantity, the interior sliding of slot are provided with cutting 36, and specifically, 36 two sides of cutting are provided with sliding slot 37, slot
It is provided on inner wall and is slidably matched protrusion with sliding slot 37.The loading hopper 32 is hinged with hopper cover close to the side of adjusting rod 35
33, integrally formed with strut 34, the lower section in slot and being located at cutting 36 is inserted into 34 one end of strut, described for the inside of hopper cover 33
Strut 34 is inserted between the part of slot and the bottom surface table wall of slot and is provided with adjustment spring 38, is provided in the feed pot 31
Vertical material baffle 13,31 inner cavity of feed pot is divided into multiple separated material corresponding with loading hopper 32 spaces by material baffle 13, described
Bottom is also equipped with deflector 14 in feed pot 31, and in a ring, and the outer wall of deflector 14 and feed pot 31 is interior for deflector 14
Wall space is fixedly connected, and the middle part of deflector 14 is provided with the material-dropping hole being connected to material blanking tube 39.The top of 1 inner cavity of furnace body
It is fixed with distribution box 9, sub-material mouth is provided at the top of distribution box 9, sub-material mouth is connected to one of separated material space, the bottom of distribution box 9
Plate is pore sieve plate 10, is fixed with baffle 15 on pore sieve plate 10, and baffle 15 is located at side of the pore sieve plate 10 far from sub-material mouth,
The hot air pipe 8 is located at the underface of baffle 15, and the lower surface of baffle 15 is equipped with vibrating motor 11, and the distribution box 9 is separate
Fishing cinder notch 12 is provided on the side wall of sub-material mouth, it is preferred that side wall of the distribution box 9 far from sub-material mouth is connected to the side wall of furnace body 1, fishing
Cinder notch 12 is located on the side wall of furnace body 1, can pull the biggish raw material of conglomeration out from fishing cinder notch 12 and be further processed.
The course of work of the utility model is: pushing cutting 36, hopper cover 33 is tilted and opened using lever principle, so
Addition raw material, fuel or fuel oil, fuel and fuel oil enter in furnace body 1 in backward corresponding loading hopper 32, and raw material enter distribution box 9
It is interior, cutting 36 is unclamped again after adding raw materials, under the action of 38 elastic force of adjustment spring, hopper cover 33 continues to cover loading hopper
32 tops, into the raw material in distribution box 9 under the action of vibrating motor 11, the lesser raw material of conglomeration are shaken off to furnace body 1, in heat
Full combustion under the heat supply of air hose 8 and air duct 6.
The above is only the utility model preferred embodiment, but the protection scope of the utility model is not limited to
This, any transformation carried out based on technical solution provided by the utility model and inventive concept and replacement should all be covered in this reality
With in novel protection scope.
Claims (5)
1. a kind of novel dore furnace, including cyclone preheater, furnace body and the pre-burning smoke-box below furnace body, pre-burning smoke-box with
Uptake flue is connected between furnace body, it is characterised in that: hot air pipe, institute are connected between the cyclone preheater and upper of furnace body
It states and is provided with feed inlet at the top of furnace body, feeding device is installed at feed inlet, feeding device includes feed pot, material blanking tube and multiple
Loading hopper, material blanking tube are connected between feed pot and the feed inlet of furnace body, are fixed with adjusting rod, multiple loading hoppers at the top of feed pot
It is installed at the top of feed pot and circumferentially distributed around adjusting rod, the slot equal with loading hopper quantity is provided on the adjusting rod,
Sliding is provided with cutting in slot, and the loading hopper is hinged with hopper cover, the inside setting of hopper cover close to the side of adjusting rod
There is strut, the lower section in slot and being located at cutting, the part and the bottom surface of slot of the strut insertion slot are inserted into strut one end
Between be provided with adjustment spring, vertical material baffle is provided in the feed pot, the inner cavity of feed pot is divided by material baffle
Multiple separated material corresponding with loading hopper spaces are fixed with distribution box at the top of the furnace body inner cavity, and the hot air pipe is located at sub-material
Below case, it is provided with sub-material mouth at the top of the distribution box, sub-material mouth is connected to one of separated material space, and the bottom plate of distribution box is thin
Hole sieve plate, and vibrating motor is installed in distribution box, the lower part of the furnace body is equipped with coal injection pipe and air duct, and coal injection pipe is located at
The top of air duct, and the outlet of coal injection pipe tilts down, the air duct includes integrally formed primary air piping, secondary air channel
And tertiary-air pipe.
2. novel dore furnace according to claim 1, it is characterised in that: bottom is equipped with deflector in the feed pot,
The material-dropping hole being connected to material blanking tube is provided in the middle part of deflector.
3. novel dore furnace according to claim 2, it is characterised in that: it is fixed with baffle on the bottom plate of the distribution box,
Baffle is located at side of the distribution box bottom plate far from sub-material mouth, and the vibrating motor is mounted on the lower surface of baffle.
4. novel dore furnace according to claim 3, it is characterised in that: the distribution box is opened on the side wall far from sub-material mouth
There is fishing cinder notch.
5. novel dore furnace according to claim 4, it is characterised in that: the hot air pipe is located at immediately below baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368216.3U CN208860108U (en) | 2018-08-24 | 2018-08-24 | A kind of novel dore furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821368216.3U CN208860108U (en) | 2018-08-24 | 2018-08-24 | A kind of novel dore furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860108U true CN208860108U (en) | 2019-05-14 |
Family
ID=66415567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821368216.3U Active CN208860108U (en) | 2018-08-24 | 2018-08-24 | A kind of novel dore furnace |
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| CN (1) | CN208860108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750684A (en) * | 2020-07-07 | 2020-10-09 | 天津水泥工业设计研究院有限公司 | Decomposing furnace dense-dilute oxygen-containing zone partition organization combustion self-denitration system and process |
-
2018
- 2018-08-24 CN CN201821368216.3U patent/CN208860108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111750684A (en) * | 2020-07-07 | 2020-10-09 | 天津水泥工业设计研究院有限公司 | Decomposing furnace dense-dilute oxygen-containing zone partition organization combustion self-denitration system and process |
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