CN219037497U - Tunnel drying furnace for heat preservation felt - Google Patents

Abstract

The utility model discloses a tunnel drying furnace for a heat preservation felt, which comprises a furnace body, a plurality of groups of heating devices arranged in the furnace body and a conveying device used for driving the heat preservation felt to be processed to move in the furnace body, wherein the plurality of groups of heating devices are equidistantly arranged along the length direction of the furnace body so as to divide the space in the furnace body into a plurality of heating areas; the furnace body is also provided with an air inlet device and an air outlet device, and the air inlet device is used for introducing air into the furnace body; and the exhaust device is used for exhausting the alcohol gas in the furnace body to a designated position. The tunnel drying furnace for the heat preservation felt can remove alcohol in the heat preservation felt, so that the production efficiency can be quickened, the productivity can be improved, the fusion effect of the heat preservation felt and resin is better, in addition, the tunnel drying furnace can collect and uniformly discharge volatilized alcohol gas, and hidden danger is reduced or eliminated.

Description

Tunnel drying furnace for heat preservation felt

Technical Field

The utility model relates to a tunnel furnace, in particular to a tunnel drying furnace for a heat preservation felt.

Background

In the crystal pulling process of the photovoltaic industry, the pursuit of heat preservation efficiency and heat preservation capacity of the heat preservation felt is also higher and higher.

In the processing process of the heat-insulating felt, after the sizing process of the heat-insulating felt is finished, alcohol in the heat-insulating felt needs to volatilize, but at present, a natural airing and die pressing method is generally adopted, and the effect of removing the alcohol is achieved through long-time volatilization, so that the production efficiency is extremely low, and the fusion effect of the heat-insulating felt and resin is poor, so that the heat-insulating felt is not suitable for being applied to large-scale production; meanwhile, the alcohol gas is volatilized and then is discharged in a non-organized way, so that potential safety hazards are easily generated if the alcohol gas is discharged in a limited space.

Disclosure of Invention

The tunnel drying furnace for the heat preservation felt can remove alcohol in the heat preservation felt, so that the production efficiency can be improved, the productivity can be improved, the fusion effect of the heat preservation felt and resin is better, and in addition, volatilized alcohol gas can be collected and uniformly discharged by the tunnel drying furnace, so that hidden danger is reduced or eliminated.

The technical scheme for solving the problems in the prior art is as follows:

a tunnel drying furnace for a heat preservation felt comprises a furnace body, a plurality of groups of heating devices arranged in the furnace body and a conveying device used for driving the heat preservation felt to be processed to move in the furnace body, wherein the plurality of groups of heating devices are equidistantly arranged along the length direction of the furnace body so as to divide the space in the furnace body into a plurality of heating areas; the furnace body is also provided with an air inlet device and an air outlet device, and the air inlet device is used for introducing air into the furnace body; and the exhaust device is used for exhausting the alcohol gas in the furnace body to a designated position.

Preferably, each heating device is connected with a set of temperature control devices, and the temperature control devices are used for controlling the heating power of the heating devices, so as to control the heating temperature of the corresponding heating areas.

Preferably, the number of the air inlet devices and the number of the air outlet devices are the same, and the air inlet devices and the air outlet devices are multiple groups; a set of air inlet devices and a set of air outlet devices are arranged in each heating area.

Preferably, the air inlet device comprises an air inlet arranged at the bottom of the furnace body; the exhaust device comprises an exhaust pipeline arranged above the furnace body and an air exhaust fan used for pumping alcohol gas in the furnace body into the exhaust pipeline; the exhaust pipelines in the multiple groups of exhaust devices are communicated through communicating pipelines.

Preferably, the heating device comprises two groups of heating pipes and a power supply module for supplying power to the heating pipes, a gap between the two groups of heating pipes is 2.5m, and a heating part of the heating pipes is in a round bar type structure or a square bar type structure.

Preferably, the conveyor means employs a belt conveyor mechanism.

Preferably, the conveying device comprises a conveying belt and a conveying driving mechanism for driving the conveying belt to circularly rotate in the vertical direction.

Preferably, the conveyor belt comprises two groups of chains and a supporting frame arranged between the two groups of chains, wherein two sides of the supporting frame are respectively arranged on the two groups of chains through chain buckles.

Preferably, the supporting frame is a plurality of groups of diamond steel pipes, and the plurality of groups of diamond steel pipes are equidistantly arranged along the surrounding direction of the chain; two sides of each group of diamond-shaped steel pipes are respectively arranged on the two groups of chains through chain buckles.

Preferably, the edges of the diamond-shaped steel pipes face upwards to form a contact surface with the heat insulation felt.

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

1. according to the tunnel drying furnace for the heat preservation felt, the heating area in the furnace body is divided into the plurality of heating areas, the heating devices are arranged in each heating area, and the temperature in each heating area is controlled by controlling the heating power of each heating device, so that alcohol in the heat preservation felt is thoroughly volatilized, and alcohol residues in the heat preservation felt are prevented.

2. The tunnel drying furnace for the heat preservation felt is provided with the plurality of heating areas, so that the tunnel drying furnace is convenient to assemble and maintain, and each heating area can be independently opened and closed, so that the tightness is ensured, the heat loss is prevented, the temperature of each heating area can be adjusted according to the residual quantity of alcohol, and the energy is effectively saved, and the consumption is reduced.

3. The air inlet device and the air exhaust device are arranged in the tunnel drying furnace for the heat preservation felt, the exhaust device can maximally ensure that volatilized alcohol gas is timely pumped away, and combustion or explosion caused by accumulation of the alcohol gas in the furnace body is prevented.

4. The tunnel drying furnace for the heat preservation felt can uniformly discharge the volatilized alcohol gas to a designated position, thereby protecting the environment.

5. The tunnel drying furnace for the heat preservation felt continuously dries the heat preservation felt, so that the fusion of the resin and the heat preservation felt is more uniform, and the accumulation of local resin is reduced.

6. The tunnel drying furnace for the heat preservation felt can improve the production efficiency of the heat preservation felt and the productivity.

Drawings

Fig. 1 is a schematic perspective view of a tunnel oven for insulation blanket according to the present utility model.

Fig. 2 is a partial sectional view (front view) of a tunnel oven for insulation blanket according to the present utility model.

Fig. 3 is a partial sectional view (rear view) of a tunnel oven for insulation blanket according to the present utility model.

Fig. 4 is a schematic perspective view of a conveyor belt.

Detailed Description

The present utility model will be described in further detail with reference to examples and drawings, but embodiments of the present utility model are not limited thereto.

Referring to fig. 1 to 4, the tunnel drying furnace for the insulation blanket of the present utility model comprises a furnace body 1, a plurality of groups of heating devices 8 arranged in the furnace body 1, and a conveying device for driving the insulation blanket to be processed to move in the furnace body 1, wherein the plurality of groups of heating devices 8 are equidistantly arranged along the length direction of the furnace body 1, so that the space in the furnace body 1 is divided into a plurality of heating areas; the furnace body 1 is also provided with an air inlet device and an air outlet device, and the air inlet device is used for introducing air into the furnace body 1; and the exhaust device is used for exhausting the alcohol gas in the furnace body 1 to a designated position. Through the arrangement, the conveying device conveys the heat preservation felt to be dried into the tunnel drying furnace, continuous drying of the heat preservation felt is achieved, and the volatilized alcohol gas is discharged to the appointed position through the exhaust device, so that potential safety hazards are eliminated, and environment protection is facilitated.

In this embodiment, tunnel drying stove can be formed by the concatenation of a plurality of tunnel stoves, so not only be convenient for equipment and maintenance, and every heating zone can all open and shut alone moreover to both guaranteed the leakproofness, prevented the heat loss, can be again according to the remaining how much of alcohol adjusts the temperature of each heating zone, effective energy saving and consumption reduction.

Referring to fig. 1-4, two sides of the furnace body are provided with openable side doors 4.

Referring to fig. 1-4, each heating device 8 is connected with a set of temperature control devices, and the temperature control devices are used for controlling the heating power of the heating devices 8, so as to control the heating temperature of the corresponding heating area, further enable alcohol in the heat preservation felt to volatilize thoroughly, prevent alcohol residues in the heat preservation felt, and simultaneously ensure the quality of the heat preservation felt.

Referring to fig. 1-4, the number of the air inlet devices and the number of the air outlet devices are the same, and the air inlet devices and the air outlet devices are all multiple groups; a group of air inlet devices and a group of air outlet devices are arranged in each heating area, wherein the air inlet devices comprise air inlets 10 arranged at the bottom of the furnace body 1, air is introduced into the furnace body 1 through the air inlets 10, and is transported to the air outlet devices from bottom to top, and in the process, volatilized alcohol gas drives the air outlet devices; the exhaust device comprises an exhaust pipeline 7 arranged above the furnace body 1 and an air exhaust fan 2 used for pumping alcohol gas in the furnace body 1 into the exhaust pipeline 7; the exhaust pipelines 7 in the multiple groups of exhaust devices are communicated through the communication pipeline 3; the exhaust device can maximally ensure that the volatilized alcohol gas is timely pumped away, and the alcohol gas in the furnace body 1 is prevented from accumulating to cause combustion or explosion.

Referring to fig. 1-4, the heating device 8 includes two groups of heating tubes, and a power supply module for supplying power to the heating tubes, where a gap between the two groups of heating tubes is 2.5m, and a heating portion of the heating tubes is a round bar type structure or a square bar type structure.

Referring to fig. 1-4, the conveying device adopts a belt conveying mechanism, and comprises a conveying belt and a conveying driving mechanism for driving the conveying belt to circularly rotate in the vertical direction, wherein the conveying belt comprises two groups of chains 6 and a supporting frame arranged between the two groups of chains 6, and two sides of the supporting frame are respectively arranged on the two groups of chains 6 through chain buckles 12; the supporting frame is a plurality of groups of diamond-shaped steel pipes 9, and the plurality of groups of diamond-shaped steel pipes 9 are equidistantly arranged along the surrounding direction of the chain 6; two sides of each group of diamond-shaped steel pipes 9 are respectively arranged on the two groups of chains 6 through chain buckles 12; the diamond-shaped steel pipe 9 has an upward edge angle to form a contact surface with the heat insulation felt, so that the contact area with the heat insulation felt can be reduced, the exposed area of the heat insulation felt is increased, and the alcohol removal efficiency is improved.

In this embodiment, the edge angle of the diamond-shaped steel tube 9 is 90 degrees, that is, the diamond-shaped steel tube 9 is a square steel tube; in addition, the transmission driving mechanism comprises a driving sprocket, a driven sprocket and a driving motor 11, wherein the number of the driving sprocket and the driven sprocket is determined by the number of the chains 6, and the number of the chains 6 in each group of the chains 6 can be one or a plurality of the chains; the driving motor 11 is connected with the driving sprocket through a chain and is used for driving the driving sprocket to rotate so as to drive the transmission belt to move.

The foregoing is illustrative of the present utility model, and is not to be construed as limiting thereof, but rather as merely providing for the purpose of teaching herein before described various modifications, alternatives, variations and alternatives, as well as variations and alternatives, without departing from the spirit and principles of the utility model.

Claims (10)

1. The tunnel drying furnace for the heat preservation felt is characterized by comprising a furnace body, a plurality of groups of heating devices arranged in the furnace body and a conveying device used for driving the heat preservation felt to be processed to move in the furnace body, wherein the plurality of groups of heating devices are equidistantly arranged along the length direction of the furnace body so as to divide the space in the furnace body into a plurality of heating areas; the furnace body is also provided with an air inlet device and an air outlet device, and the air inlet device is used for introducing air into the furnace body; and the exhaust device is used for exhausting the alcohol gas in the furnace body to a designated position.

2. The tunnel oven for insulation blanket of claim 1 wherein each heating device is connected to a set of temperature control devices for controlling the heating power of the heating device and thereby the heating temperature of the corresponding heating zone.

3. The tunnel oven for insulation blanket according to claim 1, wherein the number of the air inlet means and the number of the air outlet means are the same, and the air inlet means and the air outlet means are plural; a set of air inlet devices and a set of air outlet devices are arranged in each heating area.

4. A tunnel oven for insulation blanket according to claim 3, wherein said air intake means comprises an air intake port provided at the bottom of said oven body; the exhaust device comprises an exhaust pipeline arranged above the furnace body and an air exhaust fan used for pumping alcohol gas in the furnace body into the exhaust pipeline; the exhaust pipelines in the multiple groups of exhaust devices are communicated through communicating pipelines.

5. The tunnel oven for insulation blanket according to claim 1, wherein the heating device comprises two groups of heating pipes and a power supply module for supplying power to the heating pipes, a gap between the two groups of heating pipes is 2.5m, and a heating part of the heating pipes is a round bar type structure or a square bar type structure.

6. The tunnel oven for insulation blanket according to claim 1, wherein the conveyor employs a belt conveyor.

7. The tunnel oven for insulation blanket according to claim 6, wherein the conveyor comprises a conveyor belt and a conveyor driving mechanism for driving the conveyor belt to rotate in a circulating manner in a vertical direction.

8. The tunnel oven for insulation blanket of claim 7, wherein the conveyor belt comprises two sets of chains and a support frame disposed between the two sets of chains, wherein both sides of the support frame are respectively mounted on the two sets of chains by means of chain buckles.

9. The tunnel oven for insulation blanket of claim 8, wherein the support frame is a plurality of groups of diamond-shaped steel pipes, the plurality of groups of diamond-shaped steel pipes being equidistantly arranged along the circumferential direction of the chain; two sides of each group of diamond-shaped steel pipes are respectively arranged on the two groups of chains through chain buckles.

10. The tunnel oven for insulation blanket according to claim 9, wherein the corners of the diamond-shaped steel pipe are directed upward to form a contact surface with the insulation blanket.

Images