CN216096261U

CN216096261U - Vertical flame roasting furnace for roasting treatment of precoated sand

Info

Publication number: CN216096261U
Application number: CN202121811898.2U
Authority: CN
Inventors: 韩文涛; 王守湖; 官卫东
Original assignee: Qingdao Hengyao Machinery Equipment Co ltd
Current assignee: Qingdao Hengyao Machinery Equipment Co ltd
Priority date: 2021-08-05
Filing date: 2021-08-05
Publication date: 2022-03-22
Anticipated expiration: 2031-08-05

Abstract

The utility model discloses a vertical flame roaster for roasting precoated sand. The induction cooker comprises a cooker body, furnace body top fixed mounting has the top cap, top cap top one side fixed mounting has the feeder hopper, the furnace body shell is close to feeder hopper one side fixed mounting has the motor, motor one side fixedly connected with porter bar, the porter bar runs through furnace body outer wall one side and inwards extends to feeder hopper bottom one side, feeder hopper bottom one side is provided with the calcination post, calcination capital end is provided with a plurality of feed inlets, calcination capital end is provided with the baking tray, the baking tray bottom is provided with the sand outlet, the calcination post outside is provided with the roasting chamber, the roasting chamber inner wall is provided with the flame retardant coating, flame retardant coating one side fixed mounting has the nozzle, nozzle one side fixedly connected with intake pipe, furnace body top one side fixed mounting has the blast pipe. The utility model has the advantages of good combustion effect and capability of fully and uniformly heating the precoated sand, and solves the problems in the background art.

Description

Vertical flame roasting furnace for roasting treatment of precoated sand

Technical Field

The utility model relates to the technical field of precoated sand roasting furnaces, in particular to a vertical flame roasting furnace for roasting treatment of precoated sand.

Background

The sand is coated, and the surface of the sand is coated with a layer of molding sand or core sand of solid resin film. The preparation process of the precoated sand comprises a cold method and a hot method: dissolving the resin with ethanol by a cold method, adding urotropine in the sand mixing process to coat the urotropine and the sand on the surface of sand grains, and volatilizing the ethanol to obtain precoated sand; the hot method is to roast sand to a certain temperature, add resin to melt the sand, coat the resin on the surface of the sand by stirring, add urotropine water solution and lubricant, and obtain the precoated sand by cooling, crushing and screening, wherein the precoated sand is mainly used for steel casting and iron casting.

When the precoated sand is prepared by a thermal method, the sand is conveyed into a combustion chamber of a roasting furnace for roasting, the combustion conditions of all parts in the existing combustion area are different, the temperature difference is large, and the product produces more impurities due to uneven combustion, so that the improvement is made, and the vertical flame roasting furnace for the precoated sand roasting treatment is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a vertical flame roaster for roasting precoated sand, which has the advantages of good combustion effect, capability of fully and uniformly heating the precoated sand and capability of solving the problems in the background art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vertical flame roaster for tectorial membrane sand calcination is handled, includes the furnace body, furnace body top fixed mounting has the top cap, top cap top one side fixed mounting has the feeder hopper, the furnace body shell is close to feeder hopper one side fixed mounting has the motor, motor one side fixedly connected with feed rod, the feed rod runs through furnace body outer wall one side and inwards extends to feeder hopper bottom one side, feeder hopper bottom one side is provided with the calcination post, calcination capital end is provided with a plurality of feed inlets, calcination capital end is provided with the dish of baking, the dish bottom of baking is provided with out the sand mouth, the calcination post outside is provided with the roasting chamber, the roasting chamber inner wall is provided with the flame retardant coating, flame retardant coating one side fixed mounting has the nozzle, nozzle one side fixedly connected with intake pipe, furnace body top one side fixed mounting has the blast pipe.

Preferably, the feed rod runs through feed hopper bottom one side, just the feed hopper bottom is provided with the opening and is located the feed inlet top, one side that the feed rod is located the feed hopper is the screw feed rod.

Preferably, the roasting column is of a hollow structure, a rotating rod is fixedly mounted at the bottom end of the roasting tray, the top end of the rotating rod is fixedly connected with a first bevel gear, a second bevel gear is arranged on one side of the first bevel gear, one end of the second bevel gear is fixedly connected with a feeding rod, and the first bevel gear and the second bevel gear are meshed with each other.

Preferably, a plurality of roasting holes are formed in the outer side of the roasting column, the roasting holes are uniformly distributed in the outer side of the roasting column, the bottom end of the feed inlet is provided with a roasting cavity, and the feed inlet is a circular notch.

Preferably, the flame retardant coating is provided with a plurality of layers, just the flame retardant coating is piled up by a plurality of layers of fire prevention brick and is formed, the intake pipe runs through flame retardant coating one side fixedly connected with nozzle, intake pipe other end fixedly connected with connector, the connector outside is provided with the hickey, the connector advances a tub fixed connection with outside gas.

Preferably, an air box is fixedly mounted on one side of the outer wall of the furnace body, an air blower is arranged in the air box, a combustion-supporting pipe is arranged on one side of the air box, and the combustion-supporting pipe penetrates through a nozzle fixedly connected to one side of the outer wall of the furnace body.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, the bottom end of the feed hopper is provided with the opening positioned at the top end of the feed inlet, so that when the motor rotates, the feed rod can rotate along with the motor, and sand in the feed hopper can slowly fall into the top end of the feed inlet along with the rotation of the feed rod and enter the roasting cavity;

2. according to the utility model, the first bevel gear is in transmission connection with the second bevel gear, the second bevel gear and the rotating rod rotate along with the rotation of the feeding rod, so that the roasting column can rotate at the top end of the roasting plate, sand can uniformly fall into the roasting cavity, and meanwhile, the sand in the roasting cavity can be fully combusted along with the rotation of the roasting column;

3. according to the utility model, the air box is fixedly arranged on one side of the outer wall of the furnace body, the air blower is arranged in the air box, the nozzle is fixedly connected with the combustion-supporting pipe which penetrates through one side of the outer wall of the furnace body, and the air box is fixedly arranged on one side of the outer wall of the furnace body, so that the gas sprayed from the nozzle can be fully combusted by pumping oxygen into one side of the nozzle through the air blower.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

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

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of a firing column according to the present invention.

In the figure: 1. a furnace body; 2. a top cover; 3. a feed hopper; 4. a motor; 5. a feed bar; 6. roasting the column; 7. a feed inlet; 8. baking the tray; 9. a roasting chamber; 10. a fire barrier layer; 11. a nozzle; 12. an air inlet pipe; 13. an exhaust pipe; 14. rotating the rod; 15. a first bevel gear; 16. a second bevel gear; 17. baking the holes; 18. a roasting cavity; 19. a connector; 20. an air box; 21. a combustion supporting pipe; 22. and a sand outlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a technical solution: the utility model provides a vertical flame roaster for tectorial membrane sand calcination is handled, including

furnace body

1, 1 top fixed mounting of furnace body has top cap 2, 2 top one side fixed mounting of top cap has

feeder hopper

3, 1 shell of furnace body is close to 3 one side fixed mounting of feeder hopper has motor 4, motor 4 one side fixedly connected with feed rod 5, feed rod 5 runs through 1 outer wall one side of furnace body and inwards extends to 3 bottom one sides of feeder hopper, 3 bottom one side of feeder hopper is provided with

roasting column

6, 6 tops of roasting column are provided with a plurality of

feed inlets

7, 6 bottoms of roasting column are provided with

roasting plate

8, 8 bottoms of roasting plate are provided with

sand outlet

22, 6 outsides of roasting column are provided with roasting chamber 9, roasting chamber 9 inner wall is provided with flame retardant coating 10, flame retardant coating 10 one side fixed mounting has

nozzle

11, 11 one side fixedly connected with intake pipe 12 of nozzle, 1 top one side fixed mounting of furnace body has blast pipe 13.

As shown in fig. 2 and 3, the feeding rod 5 penetrates through one side of the bottom end of the feeding hopper 3, an opening is formed in the bottom end of the feeding hopper 3 and is positioned at the top end of the feeding port 7, and the spiral feeding rod is arranged on one side of the feeding rod 5 positioned in the feeding hopper 3.

Be provided with the opening through setting up 3 bottoms of feeder hopper and be located feed inlet 7 tops, when motor 4 rotated, can make porter bar 5 rotate along with motor 4, can make the interior sand material of feeder hopper 3 along with porter bar 5's rotation, slowly fall into feed inlet 7 tops to in getting into calcination chamber 18.

As shown in fig. 2 and 3, the roasting column 6 is a hollow structure, a rotating rod 14 is fixedly installed at the bottom end of the roasting tray 8, a first bevel gear 15 is fixedly connected to the top end of the rotating rod 14, a second bevel gear 16 is arranged on one side of the first bevel gear 15, a feeding rod 5 is fixedly connected to one end of the second bevel gear 16, and the first bevel gear 15 and the second bevel gear 16 are meshed with each other.

Through being connected with first bevel gear 15 and second bevel gear 16 transmission, second bevel gear 16 and dwang 14 rotate along with the rotation of feed rod 5, can make calcination post 6 rotate on calcination dish 8 top, can make the sand material evenly fall into calcination chamber 18, rotate along with calcination post 6 simultaneously, realize fully burning the sand material in calcination chamber 18.

As shown in fig. 2 and 5, a plurality of roasting holes 17 are arranged outside the roasting column 6, the roasting holes 17 are uniformly distributed outside the roasting column 6, a roasting cavity 18 is arranged at the bottom end of the feed inlet 7, and the feed inlet 7 is a circular notch.

The sand in the roasting cavity 18 can be fully combusted in the roasting cavity 18 along with the roasting holes 17, and the sand is convenient to fall into the roasting cavity 18 through the round notch along with the feeding hole 7.

As shown in fig. 2, 3 and 4, the fireproof layer 10 is provided with a plurality of layers, and the fireproof layer 10 is formed by stacking a plurality of layers of fireproof bricks, the air inlet pipe 12 penetrates through the nozzle 11 fixedly connected to one side of the fireproof layer 10, the other end of the air inlet pipe 12 is fixedly connected with the connector 19, the outer side of the connector 19 is provided with a threaded connector, and the connector 19 is fixedly connected with an external fuel gas inlet pipe.

Through setting up, flame retardant coating 10 is provided with a plurality of layers, and flame retardant coating 10 is piled up by a plurality of layers of fire prevention brick and forms, makes the stable burning of gas in furnace body 1, plays the heat preservation effect simultaneously, improves the temperature in the furnace body 1 fast.

As shown in FIG. 1, an air box 20 is fixedly installed on one side of the outer wall of the furnace body 1, a blower is arranged in the air box 20, a combustion-supporting pipe 21 is arranged on one side of the air box 20, and the combustion-supporting pipe 21 penetrates through one side of the outer wall of the furnace body 1 and is fixedly connected with a nozzle 11.

The air box 20 is fixedly installed on one side of the outer wall of the furnace body 1, the air blower is arranged in the air box 20, and oxygen is pumped into one side of the nozzle 11 through the air blower, so that fuel gas sprayed from the nozzle 11 can be fully combusted.

The working principle is as follows: when the vertical flame roaster for precoated sand roasting treatment is used, sand is filled into the feed hopper 3, the motor 4 is turned on, the feed rod 5 can rotate along with the motor 4 when the motor 4 rotates, the sand in the feed hopper 3 can slowly fall into the top end of the feed inlet 7 along with the rotation of the feed rod 5 and enter the roasting cavity 18, the second bevel gear 16 and the rotating rod 14 can rotate along with the rotation of the feed rod 5 through the mutual meshing between the first bevel gear 15 and the second bevel gear 16, the roasting column 6 can rotate at the top end of the roasting plate 8, the sand can uniformly fall into the roasting cavity 18, the connector 19 is fixedly connected with an external gas inlet pipe, the air blower in the air box 20 is turned on, the air blower nozzle 11 is ignited at the same time, the air blower is driven to one side of the nozzle 11 through oxygen, and the gas sprayed from the nozzle 11 can be fully combusted, the nozzle 11 continuously heats the outer wall of the roasting column 6, and the roasting column 6 rotates along with the continuous rotation of the motor 4, so that the uniform heating of each part of the roasting column 6 is realized, the sand material in the roasting cavity 18 is fully combusted, the vertical flame roasting furnace for roasting the precoated sand has the advantages of good combustion effect, capability of fully and uniformly heating the precoated sand, and the problem of being proposed in the background art is solved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a vertical flame roaster for tectorial membrane sand calcination is handled, includes furnace body (1), its characterized in that: the top end of the furnace body (1) is fixedly provided with a top cover (2), one side of the top end of the top cover (2) is fixedly provided with a feed hopper (3), one side of the shell of the furnace body (1) close to the feed hopper (3) is fixedly provided with a motor (4), one side of the motor (4) is fixedly connected with a feed rod (5), the feed rod (5) penetrates through one side of the outer wall of the furnace body (1) and extends inwards to one side of the bottom of the feed hopper (3), one side of the bottom of the feed hopper (3) is provided with a roasting column (6), the top end of the roasting column (6) is provided with a plurality of feed inlets (7), the bottom end of the roasting column (6) is provided with a roasting plate (8), the bottom end of the roasting plate (8) is provided with a sand outlet (22), the outer side of the roasting column (6) is provided with a roasting chamber (9), the inner wall of the roasting chamber (9) is provided with a fireproof layer (10), one side of the fireproof layer (10) is fixedly provided with a nozzle (11), the furnace is characterized in that an air inlet pipe (12) is fixedly connected to one side of the nozzle (11), and an exhaust pipe (13) is fixedly mounted on one side of the top end of the furnace body (1).

2. A vertical flame roaster for precoated sand roasting treatment according to claim 1, wherein: feed rod (5) run through feeder hopper (3) bottom one side, just feeder hopper (3) bottom is provided with the opening and is located feed inlet (7) top, one side is the screw feed rod in feed hopper (3) is located in feed rod (5).

3. A vertical flame roaster for precoated sand roasting treatment according to claim 1, wherein: roasting post (6) are hollow structure, roasting dish (8) bottom fixed mounting has dwang (14), dwang (14) top fixed connection first bevel gear (15), first bevel gear (15) one side is provided with second bevel gear (16), second bevel gear (16) one end fixed connection feed rod (5), intermeshing between first bevel gear (15) and second bevel gear (16).

4. A vertical flame roaster for precoated sand roasting treatment according to claim 1, wherein: a plurality of roasting holes (17) are formed in the outer side of the roasting column (6), the roasting holes (17) are uniformly distributed in the outer side of the roasting column (6), a roasting cavity (18) is formed in the bottom end of the feed inlet (7), and the feed inlet (7) is a circular notch.

5. A vertical flame roaster for precoated sand roasting treatment according to claim 1, wherein: flame retardant coating (10) are provided with a plurality of layers, just flame retardant coating (10) are piled up by a plurality of layers of fire prevention brick and are formed, intake pipe (12) run through flame retardant coating (10) one side fixedly connected with nozzle (11), intake pipe (12) other end fixedly connected with connector (19), the connector (19) outside is provided with the hickey, connector (19) advance a tub fixed connection with outside gas.

6. A vertical flame roaster for precoated sand roasting treatment according to claim 1, wherein: the utility model discloses a combustion-supporting furnace, including furnace body (1), furnace body (1) outer wall one side fixed mounting has bellows (20), be provided with the air-blower in bellows (20), bellows (20) one side is provided with combustion-supporting pipe (21), combustion-supporting pipe (21) run through furnace body (1) outer wall one side fixedly connected with nozzle (11).