CN210435294U

CN210435294U - High-temperature roasting furnace

Info

Publication number: CN210435294U
Application number: CN201921188527.6U
Authority: CN
Inventors: 刘朋鑫
Original assignee: Qingdao Yuanbang Machinery Manufacturing Co Ltd
Current assignee: Qingdao Yuanbang Machinery Manufacturing Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-01
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a high-temperature roasting furnace, which relates to the technical field of molding sand recovery and solves the problem that molding sand and ash are easy to enter air vents to block the air vents; the one end downward sloping setting that the air vent is close to the guide board, and the air vent deviates from the one end downward sloping setting of inlet port, and the direction of wind power is guided for upwards through the guide board, can enough blow the molding sand upwards, makes molding sand and ashes be difficult to enter into the air vent in the middle of producing the jam to the air vent again.

Description

High-temperature roasting furnace

Technical Field

The utility model relates to a technical field that the molding sand was retrieved, more specifically says, it relates to a high temperature bakes burning furnace over a slow fire.

Background

When the molding sand is used in the casting, need the viscidity that mixed resin improved the molding sand in the middle of the molding sand, need clear away the resin in the middle of the molding sand when using up the molding sand and carrying out recycle, present molding sand is gone on through the high temperature roasting furnace mostly when clearing up the resin, put into the furnace body with the molding sand in the middle of, upwards spout the molding sand by the air, the position that the furnace body is close to the top comes to burn the molding sand by the combustion of natural gas, thereby make vertical in the middle of the molding sand be lighted, thereby clear away the vertical on the molding sand.

The existing high-temperature roasting furnace blows air upwards through the vent hole when in use, but the ash generated after the molding sand and the resin are combusted easily enters the vent hole, so that the vent hole is easily blocked, and the high-temperature roasting furnace which is difficult to block by the molding sand and the ash by the air inflation is urgently needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high temperature bakes burning furnace over a slow fire, its one end downward sloping setting that deviates from the inlet port through the air vent is upwards with the direction of wind direction guide through the guide board, can enough upwards blow up the molding sand, makes molding sand and ashes be difficult to enter into the air vent in the middle of producing the jam to the air vent again.

In order to achieve the above purpose, the utility model provides a following technical scheme: a high-temperature roasting furnace comprises a furnace body, an air inlet box fixedly connected to the bottom of the furnace body, an air supply pipe fixedly connected to one side of the air inlet box, a plurality of uniformly distributed air outlet blocks fixedly connected to the top of a bottom plate of the furnace body, a plurality of guide plates fixedly connected to the top of the bottom plate of the furnace body, a feeding door arranged at a position close to the bottom of one side of the furnace body, an air inlet pipe fixedly connected to one side of the furnace body, an ignition device arranged at a side of the furnace body, which is far away from the air inlet;

the piece of giving vent to anger distributes with the guide board in the bottom of furnace body is crisscross, gives vent to anger the piece bottom and sets up the inlet port that is linked together with the inlet box, gives vent to anger one side that the piece is close to the guide board and all sets up the air vent that communicates each other with the inlet port, and the air vent is close to the one end downward sloping setting of guide board.

By adopting the technical scheme, the molding sand to be recycled is sent into the furnace body, then air is filled into the air inlet box through the air supply pipe, the air enters the air inlet hole from the air inlet box and is finally discharged from the vent hole, and the air blown out of the vent hole changes the direction into upward blowing under the action of the guide plate, so that the molding sand is driven to move upward; the intake pipe lets in the middle of the furnace body with the natural gas and ignites through ignition to the burning through the natural gas ignites molding sand surface resin and the burning is ember, thereby separates molding sand and resin, and the ember that molding sand and burning produced is difficult to enter into in the middle of the air vent, thereby makes molding sand and ember be difficult to produce the jam to the air vent.

The utility model discloses further set up to: one side of the air outlet block, which is close to the guide plate, is fixedly connected with a baffle plate which is obliquely arranged, the oblique direction of the baffle plate is parallel to that of the air inlet hole, and the baffle plate is positioned at the top of the vent hole.

Through adopting above-mentioned technical scheme, cover the air vent through setting up the baffle for molding sand and ashes are difficult to enter into the air vent in the middle of causing the jam to the air vent more.

The utility model discloses further set up to: one side fixedly connected with guide piece that the piece is close to the guide board of giving vent to anger, the one side slope that the guide piece is close to the guide board sets up and the incline direction is the same with the incline direction of air vent.

Through adopting above-mentioned technical scheme, through setting up the guide piece, can lead through the air that blows out in the middle of the guide piece to the air vent for the air can be concentrated blow to the molding sand of furnace body bottom more on, thereby make the air can be easier blow the molding sand up.

The utility model discloses further set up to: the position that the bottom that the guide block slope set up one side is connected with the furnace body bottom plate is the arc setting.

Through adopting above-mentioned technical scheme, set the guiding block slope one side bottom and the connected position of bottom plate to the arc for the change of direction is carried out along circular-arc part that the air can be better.

The utility model discloses further set up to: the top of the air outlet block is provided with two inclined planes which are obliquely arranged, and one sides of the two inclined planes which deviate from each other are obliquely downwards arranged.

Through adopting above-mentioned technical scheme, set up the inclined plane that two slopes set up at the top of the piece of giving vent to anger for the molding sand that falls into on the piece of giving vent to anger can be at self gravity's effect downstream down, and fall into between piece and the guide board of giving vent to anger, prevents that the molding sand from depositing in a gas piece top.

The utility model discloses further set up to: one side of the guide plate, which is close to the gas outlet block, is fixedly connected with a plurality of partition plates, the bottoms of the partition plates are fixedly connected with the bottom of the furnace body, and the partition plates are distributed with the vent holes in a staggered manner along the length direction of the gas outlet block.

Through adopting above-mentioned technical scheme, cut apart the molding sand between gas piece and the guide board through setting up the division board for each air vent is solitary blows a part molding sand upwards, prevents that the air that two adjacent air vents blown out from producing the interference each other.

The utility model discloses further set up to: two inclined planes are also arranged on two sides of the top of the partition plate, and one side of each inclined plane, which deviates from each other, is inclined downwards.

Through adopting above-mentioned technical scheme, through setting up two inclined planes in division board top both sides for the molding sand that falls on the division board can prevent that the molding sand from depositing in the division board top through the bottom that the furnace body falls under the effect of self gravity on the inclined plane.

The utility model discloses further set up to: two inclined planes are arranged on two sides of the top of the guide plate, and one side of each inclined plane, which deviates from each other, is inclined downwards.

Through adopting above-mentioned technical scheme, set up two inclined planes through the top at the guide board for the molding sand that falls into the guide board top can fall into the bottom of furnace body under the effect of self gravity, prevents that the molding sand from depositing in the guide board top.

To sum up, the utility model discloses compare and have following beneficial effect in prior art:

1. the utility model discloses a setting up out air pocket, air vent and guide plate, sending into the furnace body in the molding sand that will carry out the recovery, then fill air into through the air supply pipe to the inlet box, the air enters into in the inlet port from the inlet box and finally discharges from the air vent, the air that blows off in the air vent changes the direction to blow upwards under the effect of guide plate to drive the molding sand upward movement, the air vent is close to the downward sloping setting of guide plate one end so that molding sand and ashes are difficult to produce the jam to the air vent;

2. the utility model discloses a set up the guide piece for the air that blows out in the middle of the air vent can be better by the guide, makes wind-force can be easier change into upwards blowing.

Drawings

FIG. 1 is an isometric view of the complete structure of the embodiment;

FIG. 2 is a sectional view of the entire structure of the embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic view of an embodiment embodying the partition plate.

In the figure: 1. a furnace body; 11. a support leg; 12. an air inlet pipe; 13. an ignition device; 14. an exhaust pipe; 15. a feed gate; 2. an air intake box; 21. a gas supply pipe; 3. gas outlet block; 31. an air inlet; 32. a vent hole; 33. a baffle plate; 4. a guide plate; 5. a guide block; 6. a partition plate.

Detailed Description

Example (b): a high-temperature roasting furnace is shown in attached figure 1 and comprises a furnace body 1, supporting legs 11 which are fixedly connected to the periphery of the bottom of the furnace body 1 and used for supporting the furnace body 1, an air inlet box 2 which is fixedly connected to the bottom of the furnace body 1, an air supply pipe 21 which is fixedly connected to one side of the air inlet box 2, a feeding door 15 which is arranged at one side of the furnace body 1 and close to the bottom, an air inlet pipe 12 which is fixedly connected to one side of the furnace body 1, an ignition device 13 which is arranged at one side of the furnace body 1, away from the air inlet pipe 12; open feed gate 15 when using and drop into furnace body 1 with the molding sand in the middle of, then ventilate to air inlet box 2 through air supply pipe 21, blow the molding sand under the effect of air, then let in the natural gas in the middle of to furnace body 1 through intake pipe 12, then light through ignition 13, come the resin on ignition molding sand surface through the burning of natural gas, burn into ashes with the resin for molding sand and resin alternate segregation.

Referring to the attached

drawings

2 and 3, a plurality of air outlet blocks 3 which are uniformly distributed are fixedly connected to the top of a bottom plate of a furnace body 1, a plurality of guide plates 4 are fixedly connected to the top of the bottom plate of the furnace body 1, the guide plates 4 are vertically arranged, the length direction of the air outlet blocks 3 is parallel to the length direction of the guide plates 4, the air outlet blocks 3 and the guide plates 4 are distributed at the bottom of the furnace body 1 in a staggered manner along the direction perpendicular to the length direction of the guide plates 4, and the air outlet blocks 3 and the guide plates 4 are distributed in; the bottom of the air outlet block 3 is provided with an air inlet 31 communicated with the air inlet box 2, one side of the air outlet block 3 close to the guide plate 4 is provided with air vents 32 communicated with the air inlet 31, and one ends of the air vents 32 close to the guide plate 4 are arranged in a downward inclined mode; one side of the air outlet block 3 close to the guide plate 4 is fixedly connected with a baffle plate 33 which is obliquely arranged, the oblique direction of the baffle plate 33 is parallel to that of the air inlet hole 31, and the baffle plate 33 is positioned at the top of the vent hole 32; the top of the gas outlet block 3 is provided with two inclined planes which are arranged in an inclined manner, one side of each inclined plane which deviates from the inclined planes is arranged in a downward inclined manner, and the inclined planes and one side of the baffle 33 which is positioned on the side which deviates from the gas outlet block 3 are parallel and level with each other. Through setting up two inclined planes at the top of the piece of giving vent to anger 3 for the molding sand that falls onto the piece of giving vent to anger 3 can both fall into under the effect of self gravity between piece of giving vent to anger 3 and guide plate 4. The vent holes 32 are provided in such a manner as to be inclined downward near the end of the guide plate 4, so that molding sand and ash do not easily enter the vent holes 32, and the vent holes 32 are not easily clogged. And the molding sand and ash are made less likely to block the vent holes 32 by the shielding effect of the baffle plate 33.

Referring to fig. 3, one side fixedly connected with guide block 5 that goes out gas piece 3 and is close to guide plate 4, guide block 5 is close to one side slope setting of guide plate 4 and the incline direction is the same with the incline direction of air vent 32, guide block 5 deviates from the gas piece 3 one side bottom and is the arc setting with furnace body 1 bottom junction, the gas that blows out in the middle of the air vent 32 moves down along the slope one side of guide block 5, guide block 5 can lead the air that blows out in the middle of the air vent 32, and set into the arc with guide block 5 and the air piece 3 one side of deviating from and furnace body 1 bottom junction, make the air be more smooth and easy under the cambered surface effect of arc department carry out the change of direction, the air upwards moves under the effect of guide plate 4 after the arc department, blow the molding sand bottom furnace body 1.

Referring to the attached drawing 4, the guide plate 4 is fixedly connected with a plurality of partition plates 6 at the side edges close to the air outlet block 3, the bottoms of the partition plates 6 are fixedly connected with the bottom of the furnace body 1, the partition plates 6 are distributed with the vent holes 32 along the length direction of the air outlet block 3 in a staggered manner, two inclined planes are arranged at two sides of each partition plate 6, and the sides of the two inclined planes, which are mutually deviated, are arranged in a downward inclined manner; two inclined planes are also arranged on two sides of the top of the guide plate 4, and one side of the two inclined planes on the top of the guide plate 4, which deviates from each other, is also inclined downwards. Through setting up the inclined plane for the molding sand that falls to division board 6 and guide plate 4 top can fall to the bottom of furnace body 1 under the effect of self gravity.

The working principle of the high-temperature roasting furnace in use is as follows: open the feed gate 15 when using and drop into the furnace body 1 with the molding sand in the middle of, then ventilate to air inlet box 2 through air supply pipe 21, the air blows out from the air vent 32 in the middle of, and change the direction of air under guide block 5 and guide plate 4's effect, after guide plate 4's guide, the air is vertical upwards blown, upwards blow the molding sand of furnace body 1 bottom, then ventilate to air inlet box 2 in the middle of through air supply pipe 21, blow the molding sand under the effect of air, then let in natural gas in to furnace body 1 in the middle of through intake pipe 12, then ignite through ignition 13, come the resin on ignition type sand surface through the burning of natural gas, burn into ashes with the resin, make molding sand and resin alternate segregation.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. A high-temperature roasting furnace is characterized in that: the device comprises a furnace body (1), an air inlet box (2) fixedly connected to the bottom of the furnace body (1), an air supply pipe (21) fixedly connected to one side of the air inlet box (2), a plurality of uniformly distributed air outlet blocks (3) fixedly connected to the top of a bottom plate of the furnace body (1), a plurality of guide plates (4) fixedly connected to the top of the bottom plate of the furnace body (1), a feeding door (15) arranged at one side of the furnace body (1) close to the bottom, an air inlet pipe (12) fixedly connected to one side of the furnace body (1), an ignition device (13) arranged at one side of the furnace body (1) away from the air inlet pipe (12) and an exhaust pipe (14) fixedly connected;

go out gas piece (3) and guide board (4) crisscross distribution in the bottom of furnace body (1), go out gas piece (3) bottom and offer inlet port (31) that are linked together with inlet box (2), go out gas piece (3) and all offer vent hole (32) with inlet port (31) intercommunication near one side of guide board (4), vent hole (32) are close to the one end downward sloping setting of guide board (4).

2. A high temperature baking furnace according to claim 1, wherein: one side of the air outlet block (3) close to the guide plate (4) is fixedly connected with a baffle (33) which is obliquely arranged, the oblique direction of the baffle (33) is parallel to that of the air inlet hole (31), and the baffle (33) is positioned at the top of the vent hole (32).

3. A high temperature baking furnace according to claim 2, wherein: one side fixedly connected with guide piece (5) that goes out gas piece (3) and be close to guide plate (4), one side slope that guide piece (5) are close to guide plate (4) sets up and the incline direction is the same with the incline direction of air vent (32).

4. A high temperature baking furnace according to claim 3, wherein: the bottom of one side of the guide block (5) which is obliquely arranged is arc-shaped at the position connected with the bottom plate of the furnace body (1).

5. A high temperature baking furnace according to claim 1, wherein: the top of the air outlet block (3) is provided with two inclined planes which are obliquely arranged, and one sides of the two inclined planes which deviate from each other are obliquely downwards arranged.

6. A high temperature baking furnace according to claim 1, wherein: one side that guide board (4) are close to gas outlet block (3) all fixedly connected with a plurality of division boards (6), the bottom and furnace body (1) bottom fixed connection of division board (6) are in the same place, division board (6) along the length direction of gas outlet block (3) with air vent (32) crisscross distribution.

7. The high temperature baking furnace of claim 6, wherein: two inclined planes are also arranged on two sides of the top of the partition plate (6), and one side of each inclined plane, which deviates from each other, is inclined downwards.

8. A high temperature baking furnace according to claim 1, wherein: two inclined planes are arranged on two sides of the top of the guide plate (4), and one side of each inclined plane, which deviates from each other, is inclined downwards.