CN210399987U

CN210399987U - Refractory castable heating furnace

Info

Publication number: CN210399987U
Application number: CN201920967048.8U
Authority: CN
Inventors: 海冰洋; 董新
Original assignee: Gongyi Xingjia Refractories Co ltd
Current assignee: Gongyi Xingjia Refractories Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-24
Anticipated expiration: 2029-06-25

Abstract

A refractory castable heating furnace is characterized in that a furnace body wall is sequentially provided with an inner liner layer and a heat insulation layer from inside to outside, and the inner liner layer is formed by pouring high-temperature refractory materials; the furnace body is characterized in that a rectangular opening is transversely formed in the center of the upper end of the furnace body, a storage barrel is slidably mounted on the upper end face of the furnace body through a linear guide rail, a discharging pipe is vertically arranged in the center of the lower end of the storage barrel, the lower end of the discharging pipe penetrates through the rectangular opening from top to bottom and extends to the upper portion of an inner cavity of the furnace body, and a gate valve is transversely arranged on the discharging pipe between the lower end of the storage barrel and the upper end of the furnace; a driving device for driving the material storage barrel to slide along the linear guide rail is arranged on one side of the upper end of the furnace body; a grate is transversely arranged at the bottom of the inner cavity of the furnace body; an ignition port is transversely arranged on one side of the furnace body, a fire collecting port is transversely arranged on the other side of the furnace body, and an oxygen increasing pipeline communicated with the ignition port is vertically arranged on the lower side wall of the ignition port; the utility model has the characteristics of combustion effect is good, and it is effectual to keep warm, reasonable in design etc.

Description

Refractory castable heating furnace

Technical Field

The utility model relates to a heating furnace technical field, concretely relates to refractory castable heating furnace.

Background

The refractory castable does not need a huge brick press and firing thermal equipment, the occupied area of a factory is small, and the equipment cost and the capital investment are lower than those of refractory bricks; the expansion rule of the refractory brick wall body is abnormal after the refractory brick wall body bears severe high-temperature impact in a high-temperature environment, so that the wall body deforms and bulges, and the reliability is reduced; in addition, in the existing refractory castable heating furnace, when combustible garbage falls onto the grate from the feed opening, the phenomenon of empty burning of a combustion gun is often caused due to uneven accumulation on the grate, the combustion effect is not good enough, and therefore the structure of the refractory castable heating furnace needs to be optimized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the not enough of prior art and providing a refractory castable heating furnace that the combustion effect is good, and it is effectual to keep warm, reasonable in design.

The technical scheme of the utility model according to down:

a refractory castable heating furnace comprises a furnace body, wherein a lining layer and a heat insulation layer are sequentially arranged on the wall of the furnace body from inside to outside, and the lining layer is formed by pouring high-temperature refractory materials; a rectangular opening is transversely formed in the center of the upper end of the furnace body, a storage barrel with an opening in the upper end is slidably mounted on the upper end face of the furnace body through two symmetrically arranged linear guide rails, a discharging pipe is vertically arranged in the center of the lower end of the storage barrel, the lower end of the discharging pipe penetrates through the rectangular opening from top to bottom and extends to the upper portion of an inner cavity of the furnace body, and a gate valve is transversely arranged on the discharging pipe between the lower end of the storage barrel and the upper end of the furnace body; a driving device for driving the material storage barrel to slide along the linear guide rail is arranged on one side of the upper end of the furnace body; a grate is transversely arranged at the bottom of the inner cavity of the furnace body; one side of the furnace body is transversely provided with an ignition port, the other side of the furnace body is transversely provided with a fire collecting port, and the lower side wall of the ignition port is vertically provided with an oxygen increasing pipeline communicated with the ignition port.

Furthermore, the heat preservation layer is thermal-insulated asbestos, and thermal-insulated asbestos is located the outside of inner liner layer and has strengthened the heat preservation effect of furnace body, has reduced the calorific loss in the furnace body, reduces the energy consumption.

Further, the upper opening of the storage cylinder is vertically provided with a conical funnel with a large upper part and a small lower part, and the structure with the large upper part and the small lower part is not easy to leak when the conical funnel is fed into the storage cylinder through the belt conveyor.

Further, linear guide includes the forked tail spout and with forked tail spout complex slider, the up end at the furnace body is fixed to the lower extreme of forked tail spout, the lower terminal surface at the storage cylinder is fixed to the upper end of slider, and the forked tail spout has stronger bearing load's ability.

Further, drive arrangement includes the cylinder through the fixed block bed hedgehopping, the one end of the piston rod of cylinder and the lateral wall fixed connection of storage cylinder, through the bed hedgehopping of fixed block, ensure that cylinder and storage cylinder lateral wall are connected.

Compared with the prior art, the beneficial effects of the utility model are that: the storage barrel capable of moving back and forth is additionally arranged at the upper end of the furnace body, the discharging pipe of the storage barrel extends into the furnace body, the storage barrel moves back and forth to uniformly spray the combustible garbage in the storage barrel on a grate in the furnace body, so that a combustion gun butted with an ignition port can fully combust the combustible garbage, and the idle combustion phenomenon of the combustion gun is reduced; the utility model has the characteristics of combustion effect is good, and it is effectual to keep warm, reasonable in design etc.

Drawings

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

FIG. 2 is an enlarged view taken at A of FIG. 1;

fig. 3 is a schematic structural view of the linear guide rail of the present invention;

fig. 4 is a perspective view of the present invention 1;

fig. 5 is a perspective view of the present invention 2.

Reference numerals: 1. furnace body, 2, inside liner, 3, heat preservation, 4, rectangle opening, 5, linear guide, 6, storage cylinder, 7, unloading pipe, 8, push-pull valve, 9, drive arrangement, 10, grate, 11, ignition mouth, 12, oxygenation pipeline, 13, collection fire mouth, 14, conical funnel, 15, forked tail spout, 16, slider, 17, fixed block, 18, cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, a refractory castable heating furnace comprises a furnace body 1, wherein the furnace body 1 is in a cylindrical structure, the lower end of the furnace body is fixed on the ground, a lining layer 2 and a heat preservation layer 3 are sequentially arranged on the wall of the furnace body 1 from inside to outside, the lining layer 2 is made of high-temperature refractory materials and is stirred into slurry to be poured into a mold, and then the slurry is dried and molded; the furnace body is characterized in that a rectangular opening 4 is transversely formed in the center of the upper end of the furnace body 1, a storage barrel 6 with an upper end opening is slidably mounted on the upper end face of the furnace body 1 through two linear guide rails 5 which are symmetrically arranged, a blanking pipe 7 is vertically arranged in the center of the lower end of the storage barrel 6, the lower end of the blanking pipe 7 penetrates through the rectangular opening 4 from top to bottom and extends to the upper part of an inner cavity of the furnace body 1, the size of the blanking pipe 7 is smaller than the width of the rectangular opening 4, a gate valve 8 is transversely arranged between the lower end of the storage barrel 6 and the upper end of the furnace body 1 on the blanking pipe 7, the gate valve 8 comprises a valve body transversely arranged in the blanking pipe 7, a gate is slidably mounted in a valve cavity of the valve body, a driving cylinder is arranged at; a driving device 9 for driving the material storage barrel 6 to slide along the linear guide rail 5 is arranged on one side of the upper end of the furnace body 1; a grate 10 is transversely arranged at the bottom of the inner cavity of the furnace body 1; one side of furnace body 1 transversely is equipped with ignition mouth 11, the opposite side of furnace body 1 transversely is equipped with a collection fire mouth 13, the vertical oxygenation pipeline 12 that communicates with ignition mouth 11 that is equipped with of lower lateral wall of ignition mouth 11, the outer end of ignition mouth 11 be equipped with rather than the burning torch of butt joint, the muzzle of burning torch extends to the outside of oxygenation pipeline 12, and the lower extreme of oxygenation pipeline 12 is provided with the oxygenation fan.

The heat-insulating layer 3 is made of heat-insulating asbestos.

The upper opening of the storage cylinder 6 is vertically provided with a conical funnel 14 with a large upper part and a small lower part.

The linear guide 5 includes dovetail chute 15 and with dovetail chute 15 complex slider 16, dovetail chute 15's lower extreme is through the fix with screw that runs through dovetail chute from top to bottom at the up end of furnace body 1, the upper end of slider 16 is through the fix with screw that runs through slider 16 by supreme down at the lower terminal surface of storage cylinder 6.

The driving device 9 comprises a cylinder 18 which is heightened through a fixed block 17, and one end of a piston rod of the cylinder 18 is fixedly connected with the outer side wall of the storage barrel 6.

The utility model discloses a theory of operation: firstly, combustible garbage is conveyed into an upper opening of a conical funnel 14 through a belt conveyor, the combustible garbage falls into a storage barrel 6, the belt conveyor is stopped when the combustible garbage in the storage barrel 6 is accumulated to a lower opening of the conical funnel 14, then a gate valve 8 is opened, the combustible garbage in the storage barrel 6 falls into the upper end of a grate 10 at the lower part of a furnace body 1 from a discharge pipe 7, meanwhile, an air cylinder 18 is opened, the air cylinder 18 drives the storage barrel 6 to move back and forth along a linear guide rail 5, further, the combustible garbage is uniformly scattered at the upper end of the grate 10 by the feed pipe 7, when the combustible garbage at the upper end of the grate 10 is accumulated to exceed half of the storage barrel 6, the gate valve 6 and the air cylinder 10 are closed, the discharge pipe 7 is closed, a combustion gun butted with an ignition port 11 and an oxygen-increasing fan connected with the lower end of a pipeline 12 are opened, the combustion gun ignites the combustible garbage in the furnace body 1, the flue gas and flame are then sent out through the fire-collecting port 13.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The refractory castable heating furnace is characterized by comprising a furnace body (1), wherein a lining layer (2) and a heat preservation layer (3) are sequentially arranged on the wall of the furnace body (1) from inside to outside, and the lining layer (2) is formed by pouring high-temperature refractory materials; a rectangular opening (4) is transversely arranged in the center of the upper end of the furnace body (1), a storage barrel (6) with an upper end opening is slidably mounted on the upper end face of the furnace body (1) through two linear guide rails (5) which are symmetrically arranged, a discharging pipe (7) is vertically arranged in the center of the lower end of the storage barrel (6), the lower end of the discharging pipe (7) penetrates through the rectangular opening (4) from top to bottom and extends to the upper part of an inner cavity of the furnace body (1), and a gate valve (8) is transversely arranged between the lower end of the storage barrel (6) and the upper end of the furnace body (1) on the discharging pipe (7); a driving device (9) for driving the material storage barrel (6) to slide along the linear guide rail (5) is arranged on one side of the upper end of the furnace body (1); a grate (10) is transversely arranged at the bottom of the inner cavity of the furnace body (1); one side of the furnace body (1) is transversely provided with an ignition port (11), the other side of the furnace body (1) is transversely provided with a fire collecting port (13), and the lower side wall of the ignition port (11) is vertically provided with an oxygen increasing pipeline (12) communicated with the ignition port (11).

2. The refractory castable heating furnace according to claim 1, characterized in that: the heat-insulating layer (3) is made of heat-insulating asbestos.

3. The refractory castable heating furnace according to claim 1, characterized in that: the upper opening of the storage barrel (6) is vertically provided with a conical funnel (14) with a large upper part and a small lower part.

4. The refractory castable heating furnace according to claim 1, characterized in that: the linear guide (5) comprises a dovetail chute (15) and a sliding block (16) matched with the dovetail chute (15), the lower end of the dovetail chute (15) is fixed on the upper end face of the furnace body (1), and the upper end of the sliding block (16) is fixed on the lower end face of the storage barrel (6).

5. The refractory castable heating furnace according to claim 1, characterized in that: the driving device (9) comprises an air cylinder (18) which is heightened through a fixing block (17), and one end of a piston rod of the air cylinder (18) is fixedly connected with the outer side wall of the material storage barrel (6).