CN217127347U - Tubular furnace for asphalt heating - Google Patents

Abstract

The utility model relates to a tubular furnace is used in pitch heating, including box and clean mechanism, the level is provided with the baffle in the box, the vertical discharging pipe that is provided with on the baffle, the slope is provided with the pipe chute that communicates with the discharging pipe below the baffle, the discharging pipe upper end is inserted and is equipped with the heating pipe of rotation connection, the heating pipe upper end is inserted and is equipped with feed hopper, be provided with the actuating mechanism who is connected with the heating pipe in the box, the baffle upper end is provided with combustion mechanism, both ends are provided with air inlet and blast pipe respectively about the box, clean mechanism includes the connecting rod, the connecting rod lower extreme is provided with scrapes material mechanism and scrapes material mechanism down, it all includes a plurality of material pieces of scraping on, scrape the material piece down and include a plurality of material pieces of lower scraping, on scrape the crisscross setting of material piece, the connecting rod outside cover is equipped with the connecting pipe, the connecting pipe is connected with the bracing piece, on scrape the material mechanism top be provided with the promotion ring of being connected with the connecting pipe. The utility model has the advantages of even heating and clean mechanism.

Description

Tubular furnace for asphalt heating

Technical Field

The utility model relates to a chemical production equipment field especially relates to a tubular furnace is used in pitch heating.

Background

In the production of coal tar, pitch is used, in the heating process of pitch, the used equipment is often a tube furnace, solid pitch is put into the tube furnace and then melted under the action of high-temperature flame and flows down along the tube furnace, the uneven heating condition occurs in the process, pitch remains in the tube furnace after the completion of processing, and once the pitch is cooled, the pitch is difficult to clean, so that the development of the tube furnace for pitch heating, which is even in heating and has a cleaning mechanism, is particularly necessary.

Disclosure of Invention

An object of the utility model is to provide a tubular furnace for pitch heating has the even advantage that just has clean mechanism of heating.

The technical scheme is as follows:

a tube furnace for heating asphalt comprises a box body and a cleaning mechanism, wherein a partition plate is horizontally arranged in the box body, a discharging pipe is vertically arranged on the partition plate, an inclined tube communicated with the discharging pipe is obliquely arranged below the partition plate, a heating pipe which is rotatably connected is inserted at the upper end of the discharging pipe, a feeding funnel is inserted at the upper end of the heating pipe, a driving mechanism connected with the heating pipe is arranged in the box body, a combustion mechanism is arranged at the upper end of the partition plate, an air inlet and an exhaust pipe are respectively arranged at the upper end and the lower end of the box body, the cleaning mechanism comprises a connecting rod, an upper scraping mechanism and a lower scraping mechanism are arranged at the lower end of the connecting rod, the upper scraping mechanism comprises a plurality of upper scraping pieces, the lower scraping pieces comprise a plurality of lower scraping pieces, the upper scraping pieces and the lower scraping pieces are arranged in a staggered manner,

the connecting rod outside cover is equipped with the connecting pipe, and the connecting pipe is connected with the bracing piece, goes up scraping mechanism top and is provided with the promotion ring of being connected with the connecting pipe.

Preferably, heat exchange fins are arranged on the outer side of the heating pipe.

Preferably, the driving mechanism comprises a chain wheel arranged on the outer side of the heating pipe, a servo motor is arranged below the partition plate, the servo motor is provided with a driving shaft extending to the upper side of the partition plate, a chain wheel set is fixedly connected to the upper end of the driving shaft, and a transmission chain is arranged between the chain wheel set and the chain wheel.

Preferably, the combustion mechanism comprises a natural gas combustion mechanism.

Preferably, the upper scraping sheet and the lower scraping sheet are both made of stainless steel.

Compared with the prior art, the beneficial effects are that:

1. the utility model discloses actuating mechanism drive heating pipe rotates, and the contact time that makes each position of heating pipe and the flame that burning mechanism produced is the same, makes the heating even.

2. The utility model discloses thereby operating personnel pushes down the bracing piece thereby it will go up scraper piece laminating adjacent lower scraper piece to push down to press down scraper mechanism, goes up scraper mechanism and scraper mechanism down and forms a closed loop to scrape pitch down, reach clear purpose.

Drawings

FIG. 1 is a schematic view of a tube furnace for heating asphalt according to the present invention,

figure 2 is a schematic view of the structure at a in figure 1,

FIG. 3 is a schematic structural view of a cleaning mechanism of a tube furnace for heating asphalt according to the present invention,

FIG. 4 is a schematic top view of the cleaning mechanism of the tube furnace for heating asphalt according to the present invention,

in the figure: 1. the box, 2, baffle, 3, discharging pipe, 4, pipe chute, 5, heating pipe, 6, feed hopper, 61, heat transfer fin, 7, sprocket, 8, sprocket group, 9, servo motor, 10, drive chain, 11, combustion mechanism, 12, air inlet, 13, blast pipe, 14, connecting rod, 15, go up and scrape the tablet, 16, scrape the tablet down, 17, connecting pipe, 18, bracing piece, 19, the propelling ring.

Detailed Description

The present invention will be further described with reference to the following specific embodiments, as shown in fig. 1 to 4: a tubular furnace for heating asphalt comprises a box body 1 and a cleaning mechanism,

a partition plate 2 is horizontally arranged in the box body 1, a discharge pipe 3 is vertically arranged on the partition plate 2, inclined pipes 4 communicated with the discharge pipe 3 are obliquely arranged below the partition plate 2, the inclined pipes 4 extend out of the box body 1, two discharge pipes 3 are arranged, the upper ends of the discharge pipes 3 are respectively inserted with a heating pipe 5 which is rotatably connected, a feeding funnel 6 is inserted at the upper end of the heating pipe 5, heat exchange fins 61 are arranged outside the heating pipe 5, the heat exchange area is increased, and the heat exchange efficiency is improved,

a driving mechanism connected with the heating pipes 5 is arranged in the box body 1, the driving mechanism comprises a chain wheel 7 arranged on the outer side of the heating pipes 5, a servo motor 9 is arranged below the partition plate 2, the servo motor 9 is provided with a driving shaft extending above the partition plate 2, the upper end of the driving shaft is fixedly connected with a chain wheel group 8, a transmission chain 10 is arranged between the chain wheel group 8 and the chain wheel 7, the servo motor 9 drives the two heating pipes 5 to rotate through the chain wheel group 8 and the transmission chain 10, the servo motor 9 is the prior art, and details are not repeated herein;

the upper end of the clapboard 2 is provided with a combustion mechanism 11, the upper end and the lower end of the box body 1 are respectively provided with an air inlet 12 and an exhaust pipe 13, the combustion mechanism 11 comprises a natural gas combustion mechanism 11, the natural gas combustion mechanism 11 burns to heat the inside of the box body 1, a driving mechanism drives the heating pipe 5 to rotate, so that the contact time of each part of the heating pipe 5 and flame is the same, the heating is uniform,

the cleaning mechanism comprises a connecting rod 14, an upper scraping mechanism and a lower scraping mechanism are arranged at the lower end of the connecting rod 14, the upper scraping mechanism comprises a plurality of upper scraping sheets 15, the lower scraping sheets 16 comprise a plurality of lower scraping sheets 16, the upper scraping sheets 15 and the lower scraping sheets 16 are arranged in a staggered manner, a connecting pipe 17 is sleeved on the outer side of the connecting rod 14, the connecting pipe 17 is connected with a supporting rod 18,

insert heating pipe 5 with clean mechanism in, it is provided with the promotion ring 19 of being connected with connecting pipe 17 to go up scraping mechanism top, operating personnel pushes down the bracing piece 18 thereby make the promotion ring 19 press down and press down scraping mechanism thereby will go up scraping the adjacent piece 16 of scraping under of the piece 15 laminating, go up scraping mechanism and scraping mechanism down and form a closed loop, thereby scrape pitch down, go up scraping the piece 15 and scrape the piece 16 down and all adopt the stainless steel to make, stainless steel has certain elasticity, thereby adapt to heating pipe 5, the different internal diameters of feed hopper 6 and discharging pipe 3, make on scrape the piece 15 and scrape the piece 16 laminating under and on the inner wall.

The specific working process is as follows: starting a combustion mechanism 11 and a driving mechanism, wherein the combustion mechanism 11 heats the interior of the box body 1, asphalt is put into a feeding hopper 6, the asphalt flows down along with the heating pipe 5 and enters the inclined pipe 4 after being melted, the driving mechanism drives the heating pipe 5 to rotate, so that the contact time of each part of the heating pipe 5 and the flame generated by the combustion mechanism 11 is the same, the heating is uniform,

after use and when cleaning is required, the cleaning mechanism is inserted into the feed hopper 6, the operator pushes the support rod 18 downwards so that the push ring 19 presses the upper scraping mechanism downwards to attach the upper scraping sheet 15 to the adjacent lower scraping sheet 16, and the upper scraping mechanism and the lower scraping mechanism form a closed loop to scrape asphalt off for cleaning.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. A tube furnace for heating asphalt is characterized in that: including box and clean mechanism, the level is provided with the baffle in the box, the vertical discharging pipe that is provided with on the baffle, the slope is provided with the pipe chute with the discharging pipe intercommunication below the baffle, the heating pipe that is equipped with the rotation and connects is inserted to the discharging pipe upper end, the heating pipe upper end is inserted and is equipped with feed hopper, be provided with the actuating mechanism who is connected with the heating pipe in the box, the baffle upper end is provided with burner mechanism, both ends are provided with air inlet and blast pipe respectively about the box, clean mechanism includes the connecting rod, the connecting rod lower extreme is provided with scrapes material mechanism and scrapes material mechanism down, it all includes a plurality of scraper blades on the scraper mechanism, scrape the material blade down and include a plurality of lower scraper blades, on scrape the material blade and scrape the crisscross setting of material blade down, the connecting rod outside cover is equipped with the connecting pipe, the connecting pipe is connected with the bracing piece, on scrape the material mechanism top and be provided with the promotion ring of being connected with the connecting pipe.

2. The tube furnace for heating asphalt according to claim 1, wherein: and heat exchange fins are arranged on the outer side of the heating pipe.

3. The tube furnace for heating asphalt according to claim 1, wherein: the driving mechanism comprises a chain wheel arranged on the outer side of the heating pipe, a servo motor is arranged below the partition plate, the servo motor is provided with a driving shaft extending to the upper side of the partition plate, a chain wheel set is fixedly connected to the upper end of the driving shaft, and a transmission chain is arranged between the chain wheel set and the chain wheel.

4. The tube furnace for heating asphalt according to claim 1, wherein: the combustion mechanism comprises a natural gas combustion mechanism.

5. A tube furnace for heating asphalt according to claim 1, wherein: the upper scraping sheet and the lower scraping sheet are both made of stainless steel.

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