CN219531583U - Waste heat recycling mechanism of floor oven - Google Patents

Abstract

The utility model discloses a floor oven waste heat recycling mechanism, which comprises a first pipeline (2) and a second pipeline (3) which are all positioned above an oven (1), wherein one end of the first pipeline (2) is communicated with one end of the second pipeline (3), the other end of the first pipeline (2) and the other end of the second pipeline (3) are both communicated with the interior of the oven (1), a waterproof and breathable film (4) is arranged between the first pipeline (2) and the second pipeline (3), and an induced draft fan (5) is arranged at the end part of the first pipeline (2) communicated with the oven (1) or an air blower is arranged at the end part of the second pipeline (3) communicated with the oven (1); a filter box (6) is arranged between the first pipeline (2) and the second pipeline (3), and a waterproof and breathable film (4) is arranged in the filter box (6). The utility model has the advantages of energy conservation, simple structure, lower cost and more convenient maintenance.

Description

Waste heat recycling mechanism of floor oven

Technical Field

The utility model belongs to the field of phosphogypsum floor production equipment, and particularly relates to a floor oven waste heat recycling mechanism.

Background

Phosphogypsum floor (simply called floor) is a novel floor, the main raw material is phosphogypsum, after phosphogypsum is mixed with other necessary additives by adding water, the mixture is pressed into a substrate of the floor through a die, the substrate is also required to be sent into a steam chamber for curing, and after curing, the substrate is sent into an oven for drying treatment, and the drying temperature is about 60 ℃. Because the substrate just after curing contains a large amount of moisture, and one oven dries a plurality of substrates simultaneously, the air humidity in the oven can rise rapidly in the process of drying the substrates, and then the saturation degree is reached, and the drying speed of the substrates is reduced and even is zero. Therefore, the top of the existing oven is provided with a plurality of exhaust holes, the bottom of the existing oven is provided with a plurality of air inlets, so that external dry air enters the oven through the air inlets, the humidity of the oven is reduced, moist air in the oven is discharged from the exhaust holes, the humidity of the air in the oven is always kept below a certain degree, the faster drying speed of a substrate is kept, but a large amount of heat is taken away while the air passes through the oven from the moisture, and the heat is generally called waste heat. Because the waste heat temperature is basically equal to the drying temperature of the base material, the temperature is only about 60 ℃, the recovery difficulty is relatively high, the recovery value is not particularly high, and if the existing waste heat recovery and utilization mechanism with relatively high cost is additionally arranged on the oven, the cost is probably not reduced, so that the waste heat is wasted because the existing oven is generally not provided with the waste heat recovery and utilization mechanism. Therefore, there is a need for a waste heat recycling mechanism with a relatively simple structure and low cost, which reduces waste of heat energy.

Disclosure of Invention

The utility model aims to provide a floor oven waste heat recycling mechanism. The utility model has the advantages of energy conservation, simple structure, lower cost and more convenient maintenance.

The technical scheme of the utility model is as follows: the floor oven waste heat recycling mechanism comprises a first pipeline and a second pipeline which are all positioned above an oven, one end of the first pipeline is communicated with one end of the second pipeline, the other end of the first pipeline and the other end of the second pipeline are both communicated with the interior of the oven, a waterproof breathable film is arranged between the first pipeline and the second pipeline, an induced draft fan is arranged at the end part of the first pipeline, which is communicated with the oven, or an air blower is arranged at the end part of the second pipeline, which is communicated with the oven.

In the floor oven waste heat recycling mechanism, a filter box is arranged between the first pipeline and the second pipeline, a waterproof breathable film is arranged in the filter box, one side of the waterproof breathable film forms a low-pressure cavity communicated with the first pipeline, and the other side of the waterproof breathable film forms a high-pressure cavity communicated with the second pipeline.

In the floor oven waste heat recycling mechanism, the water tank is arranged at the bottom of the filter tank, the water leakage hole is formed in the top of the water tank, and the upper end of the water leakage hole is communicated with the high-pressure cavity.

In the floor oven waste heat recycling mechanism, a drain valve is arranged at the lower part of the water tank.

In the floor oven waste heat recycling mechanism, a sponge plate attached to the waterproof breathable film is arranged in the high-pressure cavity.

In the floor oven waste heat recycling mechanism, the waterproof breathable film and the sponge plate form a filtering assembly, a rectangular frame is arranged in the filtering box, the filtering assembly is located inside the frame, clamping plates connected with the frame are arranged on two sides of the filtering assembly, and the clamping plates are net-shaped.

In the floor oven waste heat recycling mechanism, the top opening of the filter box is provided with the detachable cover plate, and an annular sealing gasket is arranged between the cover plate and the filter box; two slots are arranged in the filter box and are respectively inserted into two sides of the frame.

Compared with the prior art, the induced draft fan or the blower enables air in the oven to flow, the flowing air is filtered out of moisture by the waterproof breathable film and then returns to the oven, waste heat loss originally discharged from the exhaust hole is avoided, waste of heat energy is avoided, and the air-conditioner has an energy-saving effect, meanwhile, the air-conditioner is simple in structure and low in cost, and when the air-conditioner is matched in the oven with the internal space length, width and height of 3, 2 and 2 meters respectively, the total cost except manpower can be controlled within 500 yuan. Through setting up the rose box between first pipeline and second pipeline, with waterproof ventilated membrane setting in the rose box, make the air that flows through have great passing area, the circulation resistance is little, can reduce the power loss of draught fan or air-blower, can adopt lower power draught fan or air-blower supporting use, not only the cost is lower, and the consumption is lower moreover, more energy-conserving. Through the air inlet side sponge board at waterproof ventilated membrane, filter the dust in the air, reduce the dust carrying capacity of waterproof ventilated membrane air inlet side, keep waterproof ventilated membrane's gas permeability, further reduce air flow resistance, save the energy consumption. In addition, the utility model further improves the structure, so that the sponge board is easy to take out for cleaning, the sponge board is prevented from being blocked thoroughly by dust, and the maintenance is convenient. In summary, the utility model has the advantages of energy conservation, simple structure, lower cost and more convenient maintenance.

Drawings

Fig. 1 is a front view of the present utility model.

Fig. 2 is a schematic horizontal cross-section of the filter box.

The marks in the drawings are: 1-baking oven, 2-first pipeline, 3-second pipeline, 4-waterproof ventilated membrane, 5-draught fan, 6-rose box, 7-low pressure chamber, 8-high pressure chamber, 9-water tank, 10-water leakage hole, 11-drain valve, 12-sponge board, 13-frame, 14-splint, 15-apron, 16-sealing gasket, 17-slot, 18-card strip.

Detailed Description

The utility model is further illustrated by the following figures and examples, which are not intended to be limiting.

Example 1. Floor oven waste heat recovery utilizes mechanism, as shown in fig. 1, including first pipeline 2 and second pipeline 3 that all are located oven 1 top, the one end of first pipeline 2 and the one end intercommunication of second pipeline 3, the other end of first pipeline 2 and the other end of second pipeline 3 all with the inside intercommunication of oven 1, be equipped with waterproof ventilated membrane 4 between first pipeline 2 and the second pipeline 3, the tip of first pipeline 2 and oven 1 intercommunication is equipped with draught fan 5, draught fan 5 is centrifugal fan. The oven 1 is an existing oven, but exhaust holes and air inlets are omitted, or two exhaust holes are selected to be respectively connected with the first pipeline 2 and the second pipeline 3, and the rest exhaust holes and the air inlets are plugged.

Be equipped with rose box 6 between first pipeline 2 and the second pipeline 3, be equipped with waterproof ventilated membrane 4 in the rose box 6, one side of waterproof ventilated membrane 4 forms the low pressure chamber 7 with first pipeline 2 intercommunication, the opposite side of waterproof ventilated membrane 4 forms the high pressure chamber 8 with the second pipeline 3 intercommunication.

The bottom of the filter box 6 is provided with a water tank 9, a water leakage hole 10 is formed in the top of the water tank 9, and the upper end of the water leakage hole 10 is communicated with the high-pressure cavity 8.

The lower part of the water tank 9 is provided with a drain valve 11.

The high-pressure cavity 8 is internally provided with a sponge plate 12 attached to the waterproof breathable film 4, and the sponge plate 12 is in a wet state.

The waterproof breathable film 4 and the sponge board 12 form a filter assembly, a rectangular frame 13 is arranged in the filter box 6, the filter assembly is positioned in the frame 13, clamping plates 14 connected with the frame 13 are arranged on two sides of the filter assembly, and the clamping plates 14 are net-shaped.

The top of the filter box 6 is provided with an opening, a detachable cover plate 15 is arranged at the opening of the filter box 6, and the cover plate 15 and the filter box 6 are screwed; an annular sealing gasket 16 is arranged between the cover plate 15 and the filter box 6; two slots 17 are arranged in the filter box 6, the two slots 17 are respectively inserted by two sides of the frame 13, and the slots 17 are formed between two clamping strips 18 fixed on the inner wall of the filter box 6.

In order to further avoid heat loss, heat insulation plates made of foam materials are respectively adhered to the outer side walls of the first pipeline 2, the second pipeline 3 and the filter box 6.

Working principle: the induced draft fan 5 is started, moist air in the oven enters the filter box 6 through the second pipeline 3, contacts with the sponge plate 12 firstly, dust in the air is intercepted by the sponge plate 12, the waterproof breathable film 4 is prevented from being blocked, moisture in the air is intercepted by the waterproof breathable film 4, water drops are formed, the gravity action is downward, the moist air enters the water tank 9 through the water leakage hole 10, and after the moist air is stored to a certain degree, the drain valve 11 is opened to be discharged. The air humidity passing through the waterproof breathable film 4 is greatly reduced, and the air returns to the oven through the first pipeline 2, and originally the air is discharged out of the oven 1 and returns to the oven 1, so that the recovery of waste heat is realized.

The induced draft fan 5 is a centrifugal fan because the centrifugal fan has high suction property, and in the utility model, because the air passes through the water resistanceAfter the ventilated membrane 4, most of water vapor contained in the interior is filtered, the filtering efficiency is very high, so the air quantity of the induced draft fan 5 is not required to be very large, but because air passes through the waterproof ventilated membrane 4 and requires a certain pressure difference, the air pressure is required to be relatively high, therefore, a centrifugal fan is selected, the centrifugal fan can rotate with small power while having enough suction force, the air quantity is reduced, the requirements can be met, the power consumption is reduced, and an oven with the length, width and height of the interior of 3 x 2 x is taken as an example, and the CY076 type is adopted. The power is 25W and the air quantity is 2.1m ³ And/min, the opening state is not required to be kept all the time, and the opening is only required to be carried out for 20-30min per hour on the basis of adding a timer.

The sponge board 12 is cleaned once every week, the cover board 15 is opened, the frame 13 is taken out, water flow is used for flushing, and the sponge board is assembled again after flushing, so that the maintenance is simple and convenient.

Example 2. Unlike example 1, the induced draft fan 5 was eliminated, and a blower was provided at the end of the second pipe 3 communicating with the oven 1.

Claims (7)

1. Waste heat recovery and utilization mechanism of floor oven, its characterized in that: including all being located first pipeline (2) and second pipeline (3) of oven (1) top, the one end of first pipeline (2) communicates with the one end of second pipeline (3), the other end of first pipeline (2) and the other end of second pipeline (3) all with oven (1) inside intercommunication, be equipped with waterproof ventilated membrane (4) between first pipeline (2) and second pipeline (3), the tip of first pipeline (2) and oven (1) intercommunication is equipped with draught fan (5) or the tip of second pipeline (3) and oven (1) intercommunication is equipped with the air-blower.

2. The floor oven waste heat recovery and utilization mechanism of claim 1, wherein: be equipped with rose box (6) between first pipeline (2) and second pipeline (3), be equipped with waterproof ventilated membrane (4) in rose box (6), one side of waterproof ventilated membrane (4) forms low pressure chamber (7) with first pipeline (2) intercommunication, and the opposite side of waterproof ventilated membrane (4) forms high pressure chamber (8) with second pipeline (3) intercommunication.

3. The floor oven waste heat recovery and utilization mechanism of claim 2, wherein: the bottom of the filter box (6) is provided with a water tank (9), the top of the water tank (9) is provided with a water leakage hole (10), and the upper end of the water leakage hole (10) is communicated with the high-pressure cavity (8).

4. A floor oven waste heat recovery and utilization mechanism according to claim 3, wherein: the lower part of the water tank (9) is provided with a drain valve (11).

5. The floor oven waste heat recovery and utilization mechanism of claim 2, wherein: a sponge plate (12) attached to the waterproof breathable film (4) is arranged in the high-pressure cavity (8).

6. The floor oven waste heat recovery and utilization mechanism of claim 5, wherein: waterproof ventilated membrane (4) and sponge board (12) form filter component, be equipped with frame (13) of rectangle in rose box (6), filter component is located the inside of frame (13), and filter component's both sides all are equipped with splint (14) that are connected with frame (13), and splint (14) are netted.

7. The floor oven waste heat recovery and utilization mechanism of claim 6, wherein: the top of the filter box (6) is provided with an opening, a detachable cover plate (15) is arranged at the opening of the filter box (6), and an annular sealing gasket (16) is arranged between the cover plate (15) and the filter box (6); two slots (17) are arranged in the filter box (6), and the two slots (17) are respectively inserted into two sides of the frame (13).