CN210292791U - Roller hearth furnace capable of exhausting air up and down synchronously - Google Patents

Abstract

The utility model discloses a roller bed furnace of synchronous exhaust from top to bottom, the induction cooker comprises a cooker bod, the top and the bottom of furnace body are provided with top exhaust hole and bottom exhaust hole respectively, top exhaust hole and top exhaust trunk line intercommunication, be provided with push-pull valve and flap valve on the top exhaust trunk line, the push-pull valve sets up the junction of top exhaust hole and top exhaust trunk line, the flap valve sets up on the lateral wall of top exhaust trunk line, bottom exhaust hole and bottom exhaust trunk line intercommunication, be provided with exhaust duct and coupling hose between bottom exhaust hole and the bottom exhaust trunk line, the last governing valve that is provided with of exhaust duct. The utility model discloses discharge the waste gas of low density from the top, discharge the waste gas of high density from the bottom, finally realize quick, the comprehensive discharge of waste gas, avoid reducing maintenance cycle because of the damage that corrosive gas gathering brought for equipment, reduce unnecessary cost of maintenance, realize the optimization of equipment.

Description

Roller hearth furnace capable of exhausting air up and down synchronously

Technical Field

The utility model relates to a roller bed furnace processing field, concretely relates to synchronous carminative roller bed furnace from top to bottom.

Background

For the processing of some special materials, high temperature treatment is usually carried out through a roller furnace, products are directly or indirectly placed on a roller rod, and the roller rod continuously rotates to enable the baked products to sequentially advance. The roller bed furnace of prior art's exhaust mode design is more traditional, and the majority is the top exhaust, utilizes the exhaust fan to directly take out the form, discharges the tail gas that produces in the furnace chamber heating process fast, though improve exhaust effect through the mode that increases exhaust hole quantity at the top of furnace body, still has some density great to have corrosive gas gathering near the roller stick brick, corrodes relevant brick and roller stick, influences the performance of equipment, reduces its life.

Disclosure of Invention

The to-be-solved technical problem of the utility model is to provide a synchronous carminative roller hearth furnace from top to bottom discharges the waste gas of low density, discharges the waste gas of high density from the bottom, finally realizes quick, the comprehensive discharge of waste gas, avoids reducing maintenance cycle because of the damage that corrosive gas gathering brought for equipment, reduces unnecessary cost of maintenance, realizes the optimization of equipment.

In order to solve the technical problem, the utility model provides an upper and lower carminative roller bed furnace in step, the induction cooker comprises a cooker bod, the top and the bottom of furnace body are provided with top exhaust hole and bottom exhaust hole respectively, top exhaust hole and top exhaust trunk line intercommunication, be provided with push-pull valve and flap valve on the top exhaust trunk line, the push-pull valve sets up the junction of top exhaust hole and top exhaust trunk line, the flap valve sets up on the lateral wall of top exhaust trunk line, bottom exhaust hole and bottom exhaust trunk line intercommunication, be provided with exhaust duct and coupling hose between bottom exhaust hole and the bottom exhaust trunk line, the last governing valve that is provided with of exhaust duct.

The utility model discloses a preferred embodiment, further include coupling hose is used for connecting exhaust duct and bottom exhaust trunk line, coupling hose for exhaust duct slope sets up, makes coupling hose and exhaust duct and bottom exhaust trunk line's connection terminal surface not on same cross-section.

The utility model discloses a preferred embodiment, further include still be provided with roll table and heating device in the furnace body, the roll table includes a plurality of roller stick, and is a plurality of roller stick parallel arrangement constitutes the roll table that is used for the transmission on the coplanar.

In a preferred embodiment of the present invention, the heating device is disposed above and below the roller table, respectively, and the heating device is a silicon carbide rod.

In a preferred embodiment of the present invention, the furnace body further comprises a plurality of air inlets formed on a sidewall of the furnace body.

In a preferred embodiment of the present invention, further comprising an exhaust flue disposed on both the top exhaust hole and the bottom exhaust hole.

In a preferred embodiment of the present invention, it is further included that the exhaust duct and the connection hose are made of stainless steel.

The utility model has the advantages that: the utility model discloses all be provided with exhaust hole and exhaust duct at the top and the bottom of furnace body, realized discharging the waste gas in the furnace body from upper and lower both sides simultaneously, discharge low density's waste gas from the top, discharge high density's waste gas from the bottom, finally realize quick, the comprehensive discharge of waste gas, avoid because of the damage that corrosive gas gathers and bring for equipment, reduce maintenance cycle, reduce unnecessary maintenance cost, realize the optimization of equipment; and adopt the gate valve control top size of giving vent to anger on top exhaust trunk line, adopt the flap valve, set up the flap valve in the side of top exhaust trunk line, when the top exhaust is not enough, open the flap valve, play the effect of tonifying wind, have exhaust duct, coupling hose and governing valve between bottom exhaust hole and bottom exhaust trunk line, realize waste gas from bottom discharge and control.

Drawings

FIG. 1 is a schematic structural view of a roller hearth furnace with synchronous up and down exhaust;

FIG. 2 is a schematic structural view of the top exhaust hole and the top exhaust main pipe of the present invention;

fig. 3 is the structure schematic diagram of the bottom exhaust hole and the bottom exhaust main pipe of the utility model.

The reference numbers in the figures illustrate: 1. a furnace body; 2. a top vent; 3. a main top exhaust duct; 4. a gate valve; 5. a flap valve; 6. a bottom vent; 7. a main bottom exhaust duct; 8. an exhaust duct; 9. a connecting hose; 10. adjusting a valve; 11. a roller rod; 12. a heating device; 13. an air inlet; 14. an exhaust flue.

Detailed Description

The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.

Referring to fig. 1-3, an embodiment of the roller bed furnace with up-down synchronous exhaust of the present invention includes a furnace body 1, the top and bottom of the furnace body 1 are respectively provided with a top exhaust hole 2 and a bottom exhaust hole 6, the top exhaust hole 2 is communicated with a top exhaust main pipe 3, the top exhaust main pipe 3 is provided with a gate valve 4 and a flap valve 5, the gate valve 4 is arranged at the connection position of the top exhaust hole 2 and the top exhaust main pipe 3; flap valve 5 sets up on the lateral wall of top exhaust trunk line 3, bottom exhaust hole 6 and bottom exhaust trunk line 7 intercommunication, be provided with exhaust duct 8 and coupling hose 9 between bottom exhaust hole 6 and the bottom exhaust trunk line 7, be provided with governing valve 10 on the exhaust duct 8.

Specifically, the gate valve 4 is a gate and valve seat all the time close contact sealed valve, its principle is that open on the gate has the round mouth of a latus rectum size, open and close through the gate and make the round mouth on the gate totally break away from and identical action with the latus rectum, the advantage of this valve lies in that the valve body latus rectum does not have the recess, the medium can not block the jam to have full latus rectum flow characteristic, when the waste gas that produces in the stove is less or when density is great, can control the round mouth and insert the gas flow of the distance regulation top exhaust hole 2 in the valve seat, make gas from the top discharge.

Specifically, the flap valve 5 is arranged on the side wall of the main top exhaust pipeline 3, the flap valve 5 is communicated with an exhaust branch pipe, when more waste gas is generated in the furnace or the density of the discharged waste gas is low, the flap valve 5 on the side wall is opened to play a certain air supplementing role, and the gas flow of the top exhaust hole 2 is increased.

In this embodiment, coupling hose 9 is used for connecting exhaust duct 8 and bottom main exhaust pipeline 7, coupling hose 9 for exhaust duct 8 slope sets up, makes coupling hose 9 and exhaust duct 8 and bottom main exhaust pipeline 7's the terminal surface of being connected not on same cross-section, through the coupling hose 9 that the slope set up, makes waste gas change at the direction that exhaust in-process flows, can accelerate gaseous flow velocity in direction change department.

In this embodiment, still be provided with roll table and heating device 12 in furnace body 1, the roll table includes a plurality of roller rods 11, and is a plurality of roller rods 11 parallel arrangement constitutes the roll table that is used for the transmission on the coplanar, is provided with the casket body of multilayer multiseriate on roller rods 11, when the product needs the heating, places in the casket body of roller rods 11. Heating device 12 sets up respectively the top and the below of roll table, heating device 12 is the elema, realizes heating the upper and lower face of product, makes the product be heated more evenly.

Specifically, a plurality of air inlets 13 are provided on the side wall of the furnace body 1, and the flowing direction of the air is as follows: the air inlets 13 on both sides of the furnace body 1 flow in and are synchronously discharged from the top exhaust hole 2 and the bottom exhaust hole 6 of the furnace body 1, so that the gas flows in the furnace body 1.

In this embodiment, exhaust flue 14 is provided on top exhaust hole 2 and bottom exhaust hole 6, exhaust flue 14 can be better collect waste gas, guarantees exhaust gas's homogeneity.

Preferably, the exhaust pipe 8 and the connection hose 9 are made of stainless steel, so as to prevent moisture in the exhausted exhaust gas from corroding the exhaust pipe 8 and the connection hose 9.

The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.

Claims (7)

1. The utility model provides an upper and lower carminative roller hearth furnace in step, a serial communication port, the induction cooker comprises a cooker bod, the top and the bottom of furnace body are provided with top exhaust hole and bottom exhaust hole respectively, top exhaust hole and top exhaust trunk line intercommunication, be provided with push-pull valve and flap valve on the top exhaust trunk line, the push-pull valve sets up the junction of top exhaust hole and top exhaust trunk line, the flap valve sets up on the lateral wall of top exhaust trunk line, bottom exhaust hole and bottom exhaust trunk line intercommunication, be provided with exhaust duct and coupling hose between bottom exhaust hole and the bottom exhaust trunk line, the last governing valve that is provided with of exhaust duct.

2. The roller hearth furnace capable of exhausting air synchronously up and down according to claim 1, wherein the connecting hose is used for connecting the exhaust pipeline and the main bottom exhaust pipeline, and the connecting hose is arranged obliquely relative to the exhaust pipeline, so that the connecting end surfaces of the connecting hose, the exhaust pipeline and the main bottom exhaust pipeline are not on the same cross section.

3. The roller hearth furnace with up-down synchronous exhaust according to claim 1, wherein a roller hearth and a heating device are further arranged in the furnace body, the roller hearth comprises a plurality of roller rods, and the plurality of roller rods are arranged on the same plane in parallel to form the roller hearth for transmission.

4. The roller hearth furnace with up-down synchronous exhaust according to claim 3, wherein the heating devices are respectively arranged above and below the roller hearth, and the heating devices are silicon carbide rods.

5. The roller hearth furnace with up-down synchronous exhaust according to claim 1, wherein a plurality of air inlets are formed on the side wall of the furnace body.

6. The roller hearth furnace with up-down synchronous exhaust according to claim 1, wherein the top exhaust hole and the bottom exhaust hole are provided with exhaust flues.

7. The roller hearth furnace according to claim 1, wherein said exhaust duct and said connecting hose are made of stainless steel.

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