CN211570554U - Internal heating type continuous carbonization furnace - Google Patents

Abstract

The utility model discloses an internal heating type continuous carbonization furnace, wherein a discharge pipe and a discharge pipe are respectively fixed on two sides of a furnace body, the tail ends of the discharge pipe and the discharge pipe are welded with a first flange plate, one end of the furnace body is provided with a pipeline, and the two ends of the pipeline are welded with a second flange plate, and the tail end of the pipeline is connected with an exhaust gas pipe; the utility model discloses an inside air current of furnace body drives the dust upward movement, makes during gaseous discharge pipe enters into the pipeline, carries out the dust through straining the dirt sack and filters, then the air current gets back to the inside reuse of furnace body through discharging into the pipe, and when the inside pressure increase of furnace body, the solenoid valve is closed, makes the air current pass through the exhaust gas pipe and discharges.

Description

Internal heating type continuous carbonization furnace

Technical Field

The utility model belongs to the technical field of retort, specifically be a continuous retort of interior hot type.

Background

The continuous carbonization furnace is high-efficiency energy-saving environment-friendly carbonization equipment, and is suitable for dry distillation and anaerobic carbonization of carbon-containing wooden materials (particles with the volume of less than 15 mm) such as sawdust, rice husks, peanut shells, plant straws, barks and the like under the high-temperature condition in the furnace, and high-carbonization-rate materials are obtained.

And current material is at the in-process of carbonization, and the dust that generally appears rises along with the air current and directly discharges, also can not carry out the collection of dust and gaseous recycle with combustion gas simultaneously, and does not have complex seal structure, and the result of use is not good.

And soft wood and an electric heating wire are required to be used for heating and igniting the starting ignition of the carbonization furnace of the domestic coke plant at present. Firstly, bundling soft firewood outside a furnace, laying the soft firewood on semi-coke with the thickness of about 100mm after the soft firewood is loaded into the furnace, and then spraying diesel oil; 3000W heating wires were prepared in advance for a total of 24. Dividing 4 electric heating wires into 6 groups, fixing the electric heating wires on 16 black leather wires, taking 500mm of electric heating wires as a connector, and throwing the electric heating wires out of the furnace from the thermocouple mounting holes on two side surfaces; preparing a 220V power interface, and paying attention to insulation; the selected inflammable firewood is spread on the semi-coke by about 50mm, the prepared electric heating wires are connected to a power line with 16 square millimeters, 728mm is used as a joint, the contact section surface is not more than 10mm, 3000W electric heating wires are needed in a carbonization chamber, after the electric heating wires are connected in parallel, two ends of the electric heating wires are respectively led out of the carbonization furnace from a middle temperature measuring hole and connected to the power line, and a power switch is switched on.

Paving medium-sized firewood on the fine firewood, putting large firewood on the medium-sized firewood, and vertically paving each layer of the firewood with the thickness of about 300mm when the firewood is paved; gaps are not reserved between the top layer of big firewood so as to prevent crushed coal from falling into the big firewood, and 25 kg of diesel oil is sprayed after the big firewood is paved; coal is loaded on the wood. The ignition mode of the furnace starting is very original, the furnace starting time is long, the furnace starting cost is high, the carbonization time is long, and the requirements of the modern production technology cannot be met.

The utility model aims to overcome the defects in the prior art and provide an internal heating type continuous carbonization furnace.

The purpose of the utility model is realized like this: the utility model provides a continuous retort of interior hot type, includes retort main part and furnace body, its characterized in that: the utility model discloses a pressure detector, including furnace body, discharge pipe, second ring flange, exhaust pipe, discharge pipe and a plurality of nozzle, the both sides of furnace body are fixed with the discharge pipe respectively, discharge pipe and a plurality of nozzle, the nozzle is provided with two-layerly, first ring flange has all been welded to the end of discharge pipe and discharge pipe, the one end of furnace body is provided with the pipeline, and the both ends of pipeline all have welded the second ring flange, the end-to-end connection of pipeline has the exhaust pipe, the pressure detector is installed in the outside of furnace body, solenoid valve is installed to the one end of pipeline, the discharge pipe is provided with the discharge port respectively with the inside of discharging into the pipe and discharges into mouthful, and the inside of.

The outer sides of the first flange plate and the second flange plate are provided with corresponding mounting holes, and the pipeline is detachably connected with the discharge pipe and the discharge pipe through the first flange plate and the second flange plate.

And a dust filtering cloth bag is arranged on one side of the inner part of the pipeline, which is close to the discharge pipe.

The electromagnetic valve and the pressure detector are electrically connected with an external controller.

The diameter of the piston is larger than the diameter of the discharge port and the discharge port.

The electromagnetic valve is positioned on the right side of the exhaust pipe.

The utility model discloses have following positive effect:

compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model drives the dust to move upwards through the airflow in the furnace body, so that the gas enters the pipeline through the discharge pipe, the dust is filtered through the dust filtering cloth bag, then the airflow returns to the interior of the furnace body through the discharge pipe for recycling, when the pressure in the furnace body is increased, the electromagnetic valve is closed, so that the airflow is discharged through the waste gas pipe;

2. the utility model discloses a first spring and second spring are to drawing of piston, and the discharge port is plugged up to the piston and the mouth is gone into, when not having gas to enter into the pipeline, make the inside seal structure that keeps of furnace body, supplementary carbonization operation.

Drawings

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic view of a partial structure of the present invention;

FIG. 3 is a schematic structural view of the outlet pipe and the inlet pipe of the present invention;

fig. 4 is a schematic structural view of the pipeline and the dust filtering cloth bag of the present invention.

Detailed Description

Embodiment 1, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, an internal heating type continuous carbonization furnace includes a carbonization furnace main body 1 and a furnace body 2, wherein a discharge pipe 3, a discharge pipe 4, and a plurality of burners 17 are respectively fixed on both sides of the furnace body 2, the burners 17 are provided in two layers, and the burners provided in two layers can ignite the positions of the burners from the upper layer and the lower layer, so that the carbonization efficiency can be greatly improved, the occurrence of material blockage due to unburnt wood is avoided, the furnace start time is saved, and the production cost is reduced. The heating wire wood start-up process takes 168 hours from ignition to qualified upgraded coal, and the upgraded coal is qualified after 24 hours, so that the production cost is greatly saved, the working efficiency is improved, and the field operation environment is improved. The tail ends of the discharge pipe 3 and the discharge pipe 4 are all welded with a first flange 5, one end of the furnace body 2 is provided with a pipeline 6, two ends of the pipeline 6 are all welded with a second flange 7, the tail end of the pipeline 6 is connected with an exhaust gas pipe 8, the outer side of the furnace body 2 is provided with a pressure detector 9, one end of the pipeline 6 is provided with an electromagnetic valve 10, the discharge pipe 3 and the interior of the discharge pipe 4 are respectively provided with a discharge port 11 and a discharge inlet 12, the interior of the discharge port 11 and the interior of the discharge inlet 12 are respectively fixed with a first spring 13 and a second spring 14, and the tail ends of the first spring 13 and the second spring 14 are respectively fixed with a.

The utility model discloses a first spring 13 and second spring 14 are to the drawing of piston 15, and piston 15 blocks up discharge port 11 and discharge port 12, when not having gas to enter into pipeline 6, make 2 inside seal structure that keep of furnace body, supplementary carbonization operation. The outer sides of the first flange 5 and the second flange 7 are provided with corresponding mounting holes, and the pipeline 6 is detachably connected with the discharge pipe 3 and the discharge pipe 4 through the first flange 5 and the second flange 7. This kind of continuous retort of interior hot type passes the mounting hole with the bolt through the mounting hole that sets up, uses nut and bolt to fix, makes pipeline 6 and furnace body 2 can dismantle the connection to maintain and change. A dust filtering cloth bag 16 is arranged at one side of the inner part of the pipeline 6 close to the discharge pipe 3. According to the internal heating type continuous carbonization furnace, the dust filtering cloth bag 16 is arranged, so that dust in air flow is blocked by the dust filtering cloth bag 16, the first flange plate 5 and the second flange plate 7 are conveniently detached, and the dust is treated. The electromagnetic valve 10 and the pressure detector 9 are electrically connected with an external controller.

When the pressure detector 9 detects that the pressure inside the furnace body 2 is close to a threshold value, the internal heating type continuous carbonization furnace closes the electromagnetic valve 10, so that gas is discharged through the waste gas pipe 8. The diameter of the piston 15 is larger than the diameter of the discharge port 11 and the discharge port 12. In this internal heating type continuous carbonization furnace, gas is discharged from the discharge port 11 and discharged from the discharge port 12, and the piston 15 blocks the positions of the discharge port 11 and the discharge port 12, so that the inside of the furnace body 2 is sufficiently carbonized when the pressure inside the furnace body 2 is normal. The solenoid valve 10 is located on the right side of the exhaust pipe 8.

According to the internal heating type continuous carbonization furnace, when the internal pressure of the furnace body 2 reaches a boundary value, the electromagnetic valve 10 is closed, so that gas is discharged through the waste gas pipe 8, the electromagnetic valve 10 is opened under normal pressure, and the gas returns to the furnace body 2 for full utilization.

The working principle is as follows: a dust filtering cloth bag 16 penetrates into the left side part of a pipeline 6, then a first flange plate 5 and a second flange plate 7 press the dust filtering cloth bag 16, an exhaust gas pipe 8 can be connected with water spray cooling dust removal equipment and is connected with a material to be carbonized to operate according to carbonization operation, then a main body 1 of a carbonization furnace is started, after the carbonization furnace is heated to generate gas, the gas drives dust in a furnace body 2 to move and extrude the dust to a discharge pipe 3, the gas extrudes a left piston 15, the piston 15 impacts a first spring 13 and stretches the first spring, then the gas and the dust pass through the dust filtering cloth bag 16, the dust is collected in the dust filtering cloth bag 16, then the gas impacts a right piston 15 through a discharge pipe 4, the piston 15 stretches a second spring 14, the gas flow enters the furnace body again, when a pressure detector 9 detects that the pressure in the furnace body 2 is close to a threshold value, an electromagnetic valve 10 is closed, and the gas enters the water spray cooling dust removal equipment through the exhaust gas pipe 8, and then discharged.

Claims (6)

1. The utility model provides a continuous retort of interior hot type, includes retort main part and furnace body, its characterized in that: the utility model discloses a pressure detector, including furnace body, discharge pipe, second ring flange, exhaust pipe, discharge pipe and a plurality of nozzle, the both sides of furnace body are fixed with the discharge pipe respectively, discharge pipe and a plurality of nozzle, the nozzle is provided with two-layerly, first ring flange has all been welded to the end of discharge pipe and discharge pipe, the one end of furnace body is provided with the pipeline, and the both ends of pipeline all have welded the second ring flange, the end-to-end connection of pipeline has the exhaust pipe, the pressure detector is installed in the outside of furnace body, solenoid valve is installed to the one end of pipeline, the discharge pipe is provided with the discharge port respectively with the inside of discharging into the pipe and discharges into mouthful, and the inside of.

2. The internally heated continuous carbonization furnace as claimed in claim 1, wherein: the outer sides of the first flange plate and the second flange plate are provided with corresponding mounting holes, and the pipeline is detachably connected with the discharge pipe and the discharge pipe through the first flange plate and the second flange plate.

3. The internally heated continuous carbonization furnace as claimed in claim 1, wherein: and a dust filtering cloth bag is arranged on one side of the inner part of the pipeline, which is close to the discharge pipe.

4. The internally heated continuous carbonization furnace as claimed in claim 1, wherein: the electromagnetic valve and the pressure detector are electrically connected with an external controller.

5. The internally heated continuous carbonization furnace as claimed in claim 1, wherein: the diameter of the piston is larger than the diameter of the discharge port and the discharge port.

6. The internally heated continuous carbonization furnace as claimed in claim 1, wherein: the electromagnetic valve is positioned on the right side of the exhaust pipe.

Images