CN210952278U

CN210952278U - Waste heat recycling device for industrial oven

Info

Publication number: CN210952278U
Application number: CN201922071669.0U
Authority: CN
Inventors: 陈小英
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-11-27
Filing date: 2019-11-27
Publication date: 2020-07-07
Anticipated expiration: 2029-11-27

Abstract

The utility model discloses a waste heat cyclic utilization device for industrial oven, including the return air case, the mounting panel of the bottom fixedly connected with "L" type structure of return air case, the baffle is erect to the middle part fixedly connected with of return air case inner wall, and equidistance fixedly connected with a plurality of activated carbon layer between the inner wall of return air case and the one side of erecting the baffle, the outside of return air case and the below fixedly connected with ventilation pipe that is located the activated carbon layer, the utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, collects the waste heat after accomplishing the inside drying of oven through setting up the fan, when new article put into the oven, in time with the inside of waste heat air transportation to oven to avoid when opening the chamber door, the inside heat loss of oven causes the waste of the energy, simultaneously through setting up tail gas processing apparatus, in oven work, can be fine handle the harmful gas of the inside production of oven.

Description

Waste heat recycling device for industrial oven

Technical Field

The utility model relates to a waste heat cyclic utilization device, in particular to waste heat cyclic utilization device for industrial oven belongs to cyclic utilization device technical field.

Background

In the prior life, the industrial oven is composed of angle steel and thin steel plates, in addition, the box body is reinforced, the outer surface is coated with paint, and the aluminum silicate fiber is used for filling between the outer shell and the inner container to form a reliable insulation can, the industrial oven has wide application range, various industrial materials can be dried, and the drying equipment is universal, but the existing industrial oven needs to open the oven door after the drying is finished, then new articles are put in, and when the oven door is opened, the residual heat in the oven will be lost, so that the temperature difference between the front part and the rear part of the oven is larger, thereby causing the waste of energy, and meanwhile, the prior industrial oven is not provided with a special tail gas treatment device when in use, therefore, the tail gas discharge port must be externally connected with an exhaust pipe, most of the glue is coated, the baked objects in the paint can be partially harmful to human bodies under the high-temperature environment, and if the baked objects cannot be discharged outside in time, the health of personnel can be harmed.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome prior art's defect, provide a waste heat recycling device for industrial oven.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to a waste heat recycling device for an industrial oven, which comprises a return air box, wherein the bottom of the return air box is fixedly connected with a mounting plate with an L-shaped structure, the middle part of the inner wall of the return air box is fixedly connected with a vertical clapboard, a plurality of activated carbon layers are fixedly connected between the inner wall of the return air box and one side of the vertical clapboard at equal intervals, the outer side of the return air box and the lower part of the activated carbon layers are fixedly connected with a ventilation pipe, the inside of the ventilation pipe is communicated with the inside of the return air box, a transverse clapboard is fixedly connected between one side of the vertical clapboard, which is far away from the activated carbon layers, and the inner wall of the return air box, the inner wall of the return air box is positioned below the transverse clapboard, the bottom of the inner wall of the insulation box is fixedly connected with a return air pipe, the bottom of the return air pipe penetrates through the return air box and extends, the output end of the fan penetrates through the diaphragm plate and extends into the heat insulation box, the top of the air return box is fixedly connected with a flow dividing box, one end of the bottom of the flow dividing box is fixedly connected with a first air outlet pipe, the bottom of the first air outlet pipe extends into the air return box and is fixedly connected with the input end of the fan, one end of the bottom of the flow dividing box, which is far away from the first air outlet pipe, is fixedly connected with a second air outlet pipe, the bottom of the second air outlet pipe extends into the air return box and is positioned right above the activated carbon layer, the center of the top of the flow dividing box is fixedly connected with an air inlet pipe, the interior of the air inlet pipe is communicated with the interior of the flow dividing box, the inner wall of the flow dividing box is fixedly connected with a transverse plate, one side of the outer part of the flow dividing box is fixedly provided with an air cylinder, a piston rod of the air cylinder extends into the inner part, the one end fixedly connected with second piston that first piston was kept away from to the connecting rod, first piston and second piston all with diaphragm sliding connection.

As an optimized scheme of the utility model, the mounting hole has all been dug in one side four corners of mounting panel bottom, two stiffeners of fixedly connected with between the bottom of mounting panel and the lateral wall.

As a preferred scheme of the utility model, the bottom of the inner wall of the air return box is provided with distilled water under the active carbon layer.

As an optimized proposal of the utility model, the inner wall fixed mounting of return air pipe has the solenoid valve.

As an optimized proposal of the utility model, the top fixedly connected with threaded connection head of the air inlet pipe.

As a preferred scheme of the utility model, the size of a dimension of first piston and second piston is the same, first play tuber pipe is the same with the size of a dimension that the second goes out the tuber pipe, the size of a dimension of first piston is greater than the size of a dimension that the second goes out the tuber pipe.

As an optimized scheme of the utility model, the air supply control box of fan, solenoid valve and cylinder all with the electric cabinet electric connection in the oven outside.

The utility model discloses the beneficial effect who reaches is: the utility model discloses compact structure, easy operation is convenient, and the practicality is strong, collects the waste heat after accomplishing the inside drying of oven through setting up the fan, when new article put into the oven, in time with the inside of waste heat air transportation to oven to avoid when opening the chamber door, the inside heat loss of oven causes the waste of the energy, simultaneously through setting up tail gas processing apparatus, in oven work, can be fine handle the harmful gas of the inside production of oven.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the external structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a schematic view of the installation structure of the present invention.

In the figure: 1. an air return box; 2. mounting a plate; 3. a reinforcing bar; 4. mounting holes; 5. a vertical partition plate; 6. an activated carbon layer; 7. a vent pipe; 8. a diaphragm plate; 9. a fan; 10. a heat preservation box; 11. a return air duct; 12. an electromagnetic valve; 13. a shunt box; 14. a first air outlet pipe; 15. a second air outlet pipe; 16. an air inlet pipe; 17. a threaded connector; 18. a transverse plate; 19. a cylinder; 20. a first piston; 21. a connecting rod; 22. a second piston.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Examples

As shown in fig. 1-3, the utility model provides a waste heat recycling device for industrial oven, which comprises a return air box 1, wherein the bottom of the return air box 1 is fixedly connected with a mounting plate 2 with an L-shaped structure, the middle part of the inner wall of the return air box 1 is fixedly connected with a vertical baffle plate 5, and a plurality of activated carbon layers 6 are fixedly connected between the inner wall of the return air box 1 and one side of the vertical baffle plate 5 at equal intervals, so as to better perform primary treatment on tail gas; the outside of the air return box 1 and the lower part of the activated carbon layer 6 are fixedly connected with a vent pipe 7, and the inside of the vent pipe 7 is communicated with the inside of the air return box 1, so that tail gas can be better discharged; a transverse partition plate 8 is fixedly connected between one side of the vertical partition plate 5, which is far away from the activated carbon layer 6, and the inner wall of the air return box 1, and an insulation box 10 is fixedly connected on the inner wall of the air return box 1 and below the transverse partition plate 8, so that waste heat can be better stored; the bottom of the inner wall of the insulation can 10 is fixedly connected with a return air pipe 11, the bottom of the return air pipe 11 penetrates through the return air box 1 and extends to the bottom of the mounting plate 2, the inner wall of the return air box 1 is fixedly provided with a fan 9 above the transverse partition plate 8, the output end of the fan 9 penetrates through the transverse partition plate 8 and extends to the inside of the insulation can 10, the top of the return air box 1 is fixedly connected with a shunt box 13, one end of the bottom of the shunt box 13 is fixedly connected with a first air outlet pipe 14, the bottom of the first air outlet pipe 14 extends to the inside of the return air box 1 and is fixedly connected with the input end of the fan 9, one end of the bottom of the shunt box 13 far away from the first air outlet pipe 14 is fixedly connected with a second air outlet pipe 15, the bottom of the second air outlet pipe 15 extends to the return air box 1 and is positioned right above the activated carbon layer 6, the center of the top of the, inner wall fixedly connected with diaphragm 18 of reposition of redundant personnel case 13, one side fixed mounting that reposition of redundant personnel case 13 is outside has cylinder 19, cylinder 19's piston rod extends to the inside and the first piston 20 of fixedly connected with of reposition of redundant personnel case 13, one side fixedly connected with connecting rod 21 of cylinder 19 piston rod is kept away from to first piston 20, one end fixedly connected with second piston 22 of first piston 20 is kept away from to connecting rod 21, first piston 20 and second piston 22 all with diaphragm 18 sliding connection, through mutually supporting between first piston 20 and the second piston 22, be convenient for better to the inside tail gas of equipment and waste heat shunt the direction.

Further, mounting hole 4 has all been dug in one side four corners of mounting panel 2 bottom, two stiffener 3 of fixedly connected with between the bottom of mounting panel 2 and the lateral wall, be convenient for better through mounting hole 4 install and fix equipment, be convenient for increase mounting panel 2's stability through stiffener 3.

Furthermore, distilled water is filled at the bottom of the inner wall of the air return box 1 and under the active carbon layer 6, the ventilation pipe 7 is set to be in an inclined state, so that the distilled water can be filled better, and secondary purification treatment can be performed on tail gas better through the distilled water.

Furthermore, the inner wall of the return air duct 11 is fixedly provided with an electromagnetic valve 12, which is convenient for better controlling the return flow of hot air.

Furthermore, the top of the air inlet pipe 16 is fixedly connected with a threaded connector 17, which is convenient for better connecting the connecting pipes and ensures that the air inlet pipe 16 is tightly connected with the exhaust pipe of the oven.

Furthermore, the size of the first piston 20 is the same as that of the second piston 22, the size of the first air outlet pipe 14 is the same as that of the second air outlet pipe 15, and the size of the first piston 20 is larger than that of the second air outlet pipe 15, so that the first air outlet pipe 14 and the second air outlet pipe 15 can be better sealed.

Furthermore, the air source control box of the fan 9, the electromagnetic valve 12 and the air cylinder 19 are electrically connected with the electric control box outside the oven, so that the equipment can be better controlled.

Specifically, the device is installed on one side of an industrial oven as shown in fig. 3, an air inlet pipe 16 is connected with an exhaust pipe on the top of the oven through a connecting pipe, a return air pipe 11 is connected with a return air channel inside the oven through a connecting pipe, then an air source control box of a fan 9, an electromagnetic valve 12 and an air cylinder 19 is connected with an electric cabinet outside the oven through a wire, when the inside of the oven starts to work, the air cylinder 19 is controlled to work through the electric cabinet, a first piston 20 and a second piston 22 are pushed to move towards one side of the oven, so that the first air outlet pipe 14 is blocked by the second piston 22, meanwhile, a second air outlet pipe 15 is connected, harmful gas generated inside the oven enters the inside of a diversion box 13 through the exhaust pipe on the top of the oven and the air inlet pipe 16, then the surface of an activated carbon layer 6 is introduced through the second air outlet pipe 15, and is subjected to primary treatment through the activated, then the distilled water is used for secondary purification treatment, the finally treated tail gas is discharged through the ventilation pipe 7, when the oven door needs to be opened to replace the articles after drying is completed, the electric cabinet is used for controlling the cylinder 19 to work, the first piston 20 and the second piston 22 are driven to return, as shown in figure 2, the first air outlet pipe 14 can be connected to block the second air outlet pipe 15, then the fan 9 is started, the hot air in the oven is sucked into the insulation box 10 for short-term storage, after the inside of the insulation box 10 reaches a certain pressure, the absorption is considered to be completed, then the articles can be replaced, after the replacement is completed, the electromagnetic valve 12 is controlled to be opened through the electric cabinet, due to the effect of the pressure, the hot air in the insulation box 10 is introduced into the return air channel in the oven to be continuously used, the effect of recycling of waste heat is achieved, and the temperature difference change in the oven is, the waste of resources is avoided.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a waste heat recycling device for industrial oven, includes return air case (1), its characterized in that, the bottom fixedly connected with of return air case (1) mounting panel (2) of "L" type structure, the middle part fixedly connected with of return air case (1) inner wall erects baffle (5), equidistance fixedly connected with a plurality of activated carbon layer (6) between the inner wall of return air case (1) and the one side of erecting baffle (5), the outside of return air case (1) just is located the below fixedly connected with ventilation pipe (7) of activated carbon layer (6), the inside of ventilation pipe (7) communicates with each other with the inside of return air case (1), fixedly connected with cross slab (8) between the one side of keeping away from activated carbon layer (6) of perpendicular baffle (5) and the inner wall of return air case (1), the inner wall of return air case (1) just is located the below fixedly connected with insulation can (10) of cross slab (8), insulation can (10) inner wall's bottom fixedly connected with return air pipe (11), the bottom of return air pipe (11) runs through return air case (1) and extends to the bottom of mounting panel (2), the top fixed mounting that the inner wall of return air case (1) just is located cross slab (8) has fan (9), the output of fan (9) runs through cross slab (8) and extends to the inside of insulation can (10), the top fixedly connected with flow divider (13) of return air case (1), the first play tuber pipe (14) of one end fixedly connected with of flow divider (13) bottom, the bottom of first play tuber pipe (14) extends to the inside of return air case (1) and with the input fixed connection of fan (9), the one end fixedly connected with second play tuber pipe (15) of first play tuber pipe (14) are kept away from to the bottom of flow divider (13), the bottom that second goes out tuber pipe (15) extends to return air case (1) and is located the positive of active carbon layer (6) Top, the center fixedly connected with air-supply line (16) at reposition of redundant personnel case (13) top, the inside of air-supply line (16) communicates with each other with the inside of reposition of redundant personnel case (13), inner wall fixedly connected with diaphragm (18) of reposition of redundant personnel case (13), outside one side fixed mounting of reposition of redundant personnel case (13) has cylinder (19), the piston rod of cylinder (19) extends to the inside and the first piston (20) of fixedly connected with of reposition of redundant personnel case (13), one side fixedly connected with connecting rod (21) of cylinder (19) piston rod are kept away from in first piston (20), the one end fixedly connected with second piston (22) of first piston (20) are kept away from in connecting rod (21), first piston (20) all with diaphragm (18) sliding connection with second piston (22).

2. The waste heat recycling device for the industrial oven as claimed in claim 1, wherein four corners of one side of the bottom of the mounting plate (2) are provided with mounting holes (4), and two reinforcing rods (3) are fixedly connected between the bottom and the side wall of the mounting plate (2).

3. The waste heat recycling device for the industrial oven according to claim 1, wherein the bottom of the inner wall of the air return box (1) and right below the activated carbon layer (6) is filled with distilled water.

4. The waste heat recycling device for the industrial oven as claimed in claim 1, wherein the inner wall of the return air pipe (11) is fixedly provided with an electromagnetic valve (12).

5. The waste heat recycling device for the industrial oven as claimed in claim 1, wherein the top of the air inlet pipe (16) is fixedly connected with a threaded connector (17).

6. The waste heat recycling device for the industrial oven according to claim 1, wherein the first piston (20) and the second piston (22) have the same size, the first air outlet pipe (14) and the second air outlet pipe (15) have the same size, and the size of the first piston (20) is larger than that of the second air outlet pipe (15).

7. The waste heat recycling device for the industrial oven according to claim 1, wherein the air source control box of the fan (9), the electromagnetic valve (12) and the air cylinder (19) is electrically connected with an electric control box outside the oven.