CN207763250U - A kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove - Google Patents

Abstract

A kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove, including inlet box, furnace body and burner, furnace body includes upper furnace body and lower furnace body, upper furnace body includes arc-shaped upper shell, the inside of arc-shaped upper shell is equipped with high-temperature fibre folded piece liner, arc-shaped upper shell both ends are respectively equipped with an overhead gage, the outer peripheral edge of each overhead gage corresponds to fixation, and there are one flanges one, arc-shaped upper shell two bottom sides are respectively equipped with a flange two, lower furnace body includes rectangle lower housing, it is poured into a mould using fire clay the inside of rectangle lower housing, bottom is equipped with fixing piece, the rectangle lower housing rear and front end further respectively has a lower baffle plate, a flange three is fixed in each lower baffle plate outer peripheral edge respectively, rectangle lower housing top surface both ends are respectively equipped with a flange four, flange two is fixedly connected with flange four.The hot-blast stove lighter in weight is absorbed heat without refractory brick and heat proof material, and heat loss is seldom, convenient for the cleaning of dust accumulation inside the later stage, solves the disadvantage that refractory cotton is easy burned residue corrosion.

Description

A kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove

Technical field

The utility model is related to asphalt mixing plant technical fields, more specifically refer to a kind of hot in-plant reclaimed asphalt Mixing plant hot-blast stove.

Background technology

Plantmix's pitch thermal regeneration device is that current domestic technique is most ripe, most widely used pitch regeneration techniques, is added Hot mode is to provide heat source by burner, so that high-temperature gas is passed through drying roller and carries out heat with the material curtain formed in drying roller It exchanges, is heated to reworked material in the form of this heat radiation.In order to which the flame and reworked material that make burner are mutually isolated, to prevent Reworked material is in direct contact with open fire and its pitch tissue is made to be destroyed, and a heat is arranged usually between burner and drying roller Wind furnace, the flame that burner generates, which first sprays into, generates high temperature hot gas in hot-blast stove, and high temperature hot gas enters back into drying roller to regeneration Material is heated.

The furnace body inside of traditional hot-blast stove is built into using refractory brick, refractory material pours or high-temperature fibre folded piece in It serves as a contrast.Wherein, the hot-blast furnace body that refractory brick is built into is easy to burn out, and service life is shorter, and poured using refractory material Hot-blast furnace body heat loss is more, and manufactures and repair inconvenience.And high-temperature fibre folded piece liner is used, it is internal It can not be cleared up in time after dust accumulation, and refractory cotton is easy burned residue corrosion, influences its service life.

Utility model content

The utility model provides a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove, and main purpose is to overcome existing Hot-blast stove or be easy is burnt out, service life is shorter or thermal loss is more, manufactures inconvenient maintenance or inner product Dirt cannot be cleared up, be easy the shortcomings of burned residue corrosion in time.

The utility model adopts the following technical solution：

A kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove, including inlet box, furnace body and burner, the burner and into Bellows are separately fixed at the both ends of the furnace body, and it is logical that the middle part of the inlet box opens up that there are one burner capouch vertically Hole, the inlet box are additionally provided with return air pipe connections, and the furnace body includes upper furnace body and lower furnace body, and the upper furnace body includes arc-shaped The inside of upper shell, overhead gage, flange one and flange two, the arc-shaped upper shell is equipped with high-temperature fibre folded piece liner, The both ends of the arc-shaped upper shell are respectively equipped with an overhead gage, and there are one institutes for the outer peripheral edge correspondence fixation of each overhead gage Flange one is stated, the two bottom sides of the arc-shaped upper shell are respectively equipped with a flange two, and the lower furnace body includes rectangle The inside of lower housing, lower baffle plate, flange three and flange four, the rectangle lower housing is poured into a mould using fire clay, the rectangle lower casing Body bottom is equipped with fixing piece, and the rear and front end of the rectangle lower housing further respectively has a lower baffle plate, each lower baffle plate A flange three is fixed in outer peripheral edge respectively, and rectangle lower housing top surface both ends are respectively equipped with a flange four, institute Flange two is stated to be fixedly connected with flange four.

Further, the inlet box includes front end-plate, end plate, coaming plate and flange five, the front end-plate, end plate And coaming plate surrounds a body structure, the box house is equipped with high-temperature fibre folded piece liner, the return air pipe connections On the coaming plate, the flange five is fixed on the end plate periphery, the flange of the flange five and the furnace body front end One and flange three connect, the end plate be equipped with a plurality of ventilation pipes communicated with the return air pipe connections.

Further, it is additionally provided with a peep-hole on the babinet, is set on the front end-plate there are one being used to open and close Close the cover board of the peep-hole.

Further, the coaming plate bottom is additionally provided with maintenance door.

Further, the ventilation pipe is around the burner capouch through-hole excircle arranged for interval.

Further, the burner includes shell, baffle and flange six, and the shell is internally provided with high-temperature fibre The rear and front end of folded piece liner, the shell is respectively equipped with a baffle, wherein the baffle external end edge of front end be equipped with The flange six of flange one and flange three connection of furnace body rear end.

Further, refractory cotton is filled between the flange two and flange four.

Further, a plurality of upper hangers, rectangle lower casing are equipped on the outer wall of the arc-shaped upper shell lower part both sides Also a plurality of lower hangers are equipped on the outer wall of body both sides.

Further, it is additionally provided with reinforcing rib between the fixing piece and the rectangle lower housing.

Further, the lower furnace body is rectangular configuration.

By the above-mentioned description to the utility model structure it is found that compared to the prior art, the utility model has following excellent Point：

1, the hot-blast furnace body of the utility model is designed as upper furnace body and lower furnace body two parts, and the shell of upper furnace body is in circular arc Shape, it is interior to be equipped with high-temperature fibre folded piece liner, lighter in weight, and absorb heat without refractory brick and heat proof material, heat loss is seldom, It is easy to maintenance simultaneously；The shell of lower furnace body is rectangular, and fire clay cast and shortening in manufacturing process is facilitated to manufacture the period, and Convenient for the cleaning of later stage inside dust accumulation, the shortcomings that refractory cotton is easy burned residue corrosion is also solved, hot-blast stove is extended The service life of furnace body.

2, the inside of inlet box and burner also uses high-temperature fibre folded piece liner, not only alleviates the entirety of hot-blast stove Weight, and greatly reduce the loss of hot-blast stove heat.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the decomposition diagram of the utility model furnace body.

Fig. 3 is the structural schematic diagram of the utility model inlet box.

Fig. 4 is the structural schematic diagram of another angle of the utility model inlet box.

Fig. 5 is the structural schematic diagram of the utility model burner.

Specific implementation mode

Illustrate specific embodiment of the present utility model with reference to the accompanying drawings.For comprehensive understanding the utility model, below Many details are described to, but to those skilled in the art, the utility model can be also realized without these details.For public affairs Component, method and the process known, are not described in detail below.

A kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove, referring to Fig.1, including furnace body 10, inlet box 20 and burner 30, the burner 30 and inlet box 20 are separately fixed at the both ends of the furnace body 10.With reference to Fig. 2, furnace body 10 includes upper furnace body 11 With lower furnace body 12, the upper furnace body 11 includes arc-shaped upper shell 111, overhead gage 112, flange 1 and flange 2 114, institute The inside for stating arc-shaped upper shell 111 is equipped with high-temperature fibre folded piece liner, and the both ends of the arc-shaped upper shell 111 are set respectively There are one overhead gage 112, the outer peripheral edge of each overhead gage 112 correspond to it is fixed there are one the flange 1, it is described it is arc-shaped on The two bottom sides of shell 111 are respectively equipped with a flange 2 114；The lower furnace body 12 is rectangular configuration, convenient for making, the lower stove Body 12 includes rectangle lower housing 121, lower baffle plate 122, flange 3 123 and flange 4 124, and the inside of the rectangle lower housing 12 is adopted It is poured into a mould with fire clay, 121 bottom of rectangle lower housing is equipped with fixing piece 125, and the rear and front end of the rectangle lower housing 121 is also It is respectively equipped with a lower baffle plate 122, a flange 3 123, the rectangle lower housing are fixed in 122 outer peripheral edge of each lower baffle plate respectively 121 top surfaces both ends are respectively equipped with a flange 4 124, and above-mentioned flange 2 114 is fixedly connected with flange 4 124.The flange two Refractory cotton, anti-leak-stopping cigarette are filled between 114 and flange 4 124.

With reference to Fig. 2, a plurality of upper hangers 115, rectangle are equipped on the outer wall of 111 lower part both sides of above-mentioned arc-shaped upper shell Also a plurality of lower hangers 126 are equipped on the outer wall of 121 both sides of lower housing.Above-mentioned fixing piece 125 and the rectangle lower housing 121 Between be additionally provided with reinforcing rib 127.

With reference to Fig. 3 and Fig. 4, above-mentioned inlet box 20 includes front end-plate 21, end plate 22, coaming plate 23 and flange 5 24, preceding End plate 21, end plate 22 and coaming plate 23 surround a body structure, and babinet is internally provided with high-temperature fibre folded piece liner.It should The middle part of babinet is opened up vertically there are one burner capouch through-hole 25, and coaming plate 23 is equipped with return air pipe connections 26, described Flange 5 24 is fixed on 22 periphery of the end plate, the flange 1 and flange of the flange 5 24 and 10 front end of the furnace body 3 123 connections, the end plate 22 are equipped with a plurality of ventilation pipes 27 communicated with the return air pipe connections 26.It is preferred that Ground, ventilation pipe is around the burner capouch through-hole excircle arranged for interval.23 bottom of coaming plate is additionally provided with maintenance door 28.Babinet On be additionally provided with a peep-hole 29, set that there are one the cover boards 291 for being used to open with closing the peep-hole 29 on the front end-plate.

With reference to Fig. 5, above-mentioned burner 30 includes shell 31, baffle 32 and flange 6 33, and the shell 31 is internally provided with The rear and front end of high-temperature fibre folded piece liner, the shell 31 is respectively equipped with a baffle 32, wherein the baffle 32 of front end External end edge is equipped with the flange 6 33 being connect with the flange 1 of 20 rear end of furnace body and flange 3 123.

The above is only the specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, All non-essential modifications to the present invention made by this concept should all belong to the row for invading scope of protection of the utility model For.

Claims (9)

1. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove, including inlet box, furnace body and burner, the burner and air inlet Case is separately fixed at the both ends of the furnace body, and the middle part of the inlet box is opened up vertically there are one burner capouch through-hole, The inlet box is additionally provided with return air pipe connections, it is characterised in that：The furnace body includes upper furnace body and lower furnace body, the upper furnace body packet Arc-shaped upper shell, overhead gage, flange one and flange two are included, the inside of the arc-shaped upper shell is folded equipped with high-temperature fibre The both ends of block liner, the arc-shaped upper shell are respectively equipped with an overhead gage, and the outer peripheral edge of each overhead gage, which corresponds to, to be fixed There are one the flange one, the two bottom sides of the arc-shaped upper shell are respectively equipped with a flange two, the lower furnace body Including rectangle lower housing, lower baffle plate, flange three and flange four, the inside of the rectangle lower housing is poured into a mould using fire clay, described Rectangle lower housing bottom is equipped with fixing piece, and the rear and front end of the rectangle lower housing further respectively has a lower baffle plate, often A flange three is fixed in a lower baffle plate outer peripheral edge respectively, and rectangle lower housing top surface both ends are respectively equipped with a method Lan Si, the flange two are fixedly connected with flange four.

2. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as described in claim 1, it is characterised in that：The inlet box Including front end-plate, end plate, coaming plate and flange five, the front end-plate, end plate and coaming plate surround a body structure, described Box house is equipped with high-temperature fibre folded piece liner, and the return air pipe connections are set on the coaming plate, and the flange five is solid Due on the end plate periphery, which connect with the flange one of the furnace body front end and flange three, on the end plate Equipped with a plurality of ventilation pipes communicated with the return air pipe connections.

3. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as claimed in claim 2, it is characterised in that：On the babinet It is additionally provided with a peep-hole, sets that there are one the cover boards for being used to open with closing the peep-hole on the front end-plate.

4. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as claimed in claim 2, it is characterised in that：The coaming plate bottom Portion is additionally provided with maintenance door.

5. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as claimed in claim 2, it is characterised in that：The ventilation circle Pipe ring is around the burner capouch through-hole excircle arranged for interval.

6. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as described in claim 1, it is characterised in that：The burner packet Including shell, baffle and flange six, the shell is internally provided with high-temperature fibre folded piece liner, and front and back the two of the shell End is respectively equipped with a baffle, wherein the baffle external end edge of front end is equipped with to be connected with the flange one and flange three of furnace body rear end The flange six connect.

7. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as described in claim 1, it is characterised in that：The flange two Refractory cotton is filled between flange four.

8. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as described in claim 1, it is characterised in that：The circular arc It is equipped with a plurality of upper hangers on the outer wall of shape upper shell lower part both sides, plural number is also equipped on the outer wall of rectangle lower housing both sides A lower hangers.

9. a kind of hot in-plant reclaimed asphalt mixing plant hot-blast stove as described in claim 1, it is characterised in that：The fixing piece It is additionally provided with reinforcing rib between the rectangle lower housing.