CN218065967U

CN218065967U - Intelligent powder metallurgy environment-friendly sintering furnace

Info

Publication number: CN218065967U
Application number: CN202121366212.3U
Authority: CN
Inventors: 吴洋; 杨娜
Original assignee: Shandong Vocational College of Industry
Current assignee: Shandong Vocational College of Industry
Priority date: 2021-06-21
Filing date: 2021-06-21
Publication date: 2022-12-16
Anticipated expiration: 2031-06-21

Abstract

The utility model discloses an intelligence powder metallurgy environmental protection fritting furnace, including the sintering section, one side bottom intercommunication of sintering section has the blast pipe, install the aspiration pump on the blast pipe, the blast pipe is connected with the exhaust filtering groove through the aspiration pump, the below fixed mounting of exhaust filtering groove has the garbage collection groove, the garbage collection groove is down trapezoidal structure, its bottom department is provided with the dodge gate, the horizontal welding of junction of exhaust filtering groove and garbage collection groove has the fixed plate, evenly distributed has the filter layer between the top of fixed plate and exhaust filtering groove, the fixed plate is located the position between every filter layer on the equidistance seted up the through-hole. Waste gas mixed with waste powder and impurities passes through the layer filtering layer by layer in the waste gas filtering tank, the waste powder and the impurities are left in the waste gas filtering tank, and then fall down and are collected into a waste collecting tank, after the waste collecting tank collects for a period of time, the movable door can be opened, and the collecting tank is used for recovering the waste materials.

Description

Intelligent powder metallurgy environment-friendly sintering furnace

Technical Field

The utility model relates to a fritting furnace technical field especially relates to an intelligence powder metallurgy environmental protection fritting furnace.

Background

Powder metallurgy is an industrial technology for preparing metal powder or metal powder (or a mixture of metal powder and nonmetal powder) as a raw material, and preparing metal materials, composite materials and various products through forming and sintering. In the powder metallurgy process, a sintering furnace is needed, and commonly used continuous sintering furnaces comprise a mesh belt furnace, a walking beam furnace, a push rod furnace and the like.

According to the 'powder metallurgy sintering furnace' with the publication number of CN211888999U, waste gas generated in the sintering process can be filtered through the waste gas filter tank, and the pollution emission is reduced, but waste gas raw material powder and impurities also remain in the waste gas, the sintering furnace in the patent cannot collect the impurities and the powder, and the waste material utilization rate is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides an intelligence powder metallurgy environmental protection fritting furnace, the waste gas that is mingled with waste powder and impurity passes through layer upon layer in the waste gas filter tank, and waste powder and impurity stay in the waste gas filter tank, and later whereabouts are collected to the garbage collection groove in, collect a period back when the garbage collection groove, can open the dodge gate, use the collecting box with these waste recycling, improved the recycle ratio of waste material, more environmental protection.

In order to solve the technical problem, the utility model provides a following technical scheme: the utility model provides an intelligence powder metallurgy environmental protection fritting furnace, includes the sintering section, one side bottom intercommunication of sintering section has the blast pipe, install the aspiration pump on the blast pipe, the blast pipe is connected with the exhaust gas filtering groove through the aspiration pump, the below fixed mounting of exhaust gas filtering groove has the garbage collection groove, garbage collection groove bottom department is provided with the dodge gate, the horizontal welding of the junction of exhaust gas filtering groove and garbage collection groove has the fixed plate, evenly distributed has the filter layer between the top of fixed plate and exhaust gas filtering groove, the fixed plate is located every the through-hole has been seted up to equidistance on the position between the filter layer.

As the utility model discloses a preferred technical scheme, the fritting furnace still includes feed zone, cooling zone, feed zone, sintering section, cooling zone connect gradually, be provided with heat exchange mechanism between feed zone and the cooling zone.

As the utility model discloses a preferred technical scheme, heat exchange mechanism includes heat exchanger, one side of heat exchanger is connected with the feeding section through second exchange union coupling, and the opposite side is connected with the cooling zone through first exchange union coupling.

As a preferred technical scheme of the utility model, heat exchanger includes heat medium entry, heat medium export, refrigerant entry, refrigerant export, the lower extreme setting of second exchange pipe is in the feeding section, and both ends respectively with refrigerant entry, refrigerant exit linkage, the lower extreme setting of first exchange pipe is in the cooling zone, and its one section that is located the cooling zone has cup jointed the fin.

As a preferred technical scheme of the utility model, the bottom bilateral symmetry fixedly connected with supporting leg of sintering section is provided with control panel on its front side outer surface, operating device signal connection in control panel and the sintering section.

As an optimized technical scheme of the utility model, the cross-section of fin is the rectangle.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

1. through the arranged waste collecting tank, waste gas mixed with waste powder and impurities is pumped into the exhaust pipe by the air pump and then enters the waste gas filtering tank, the waste gas passes through the layer-by-layer filtering layers in the waste gas filtering tank, the waste powder and the impurities are left in the waste gas filtering tank, and then fall under the action of gravity and are collected into the waste collecting tank;

2. through the heat exchange mechanism who sets up, in the sintering process, through first exchange pipe, second exchange pipe and heat exchanger, with the heat exchange to the feeding section in the cooling zone for raw materials in the feeding section has obtained preheating, can improve follow-up sintering effect, simultaneously because the heat in the cooling zone is traded away, has still improved the cooling rate of cooling zone, has further improved sintering effect.

Drawings

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

FIG. 2 is a schematic view of the structure of the waste collecting tank of the present invention;

fig. 3 is a schematic structural view of the fixing plate of the present invention;

wherein: 1. a sintering section; 2. a heat exchanger; 3. a second exchange tube; 4. a first exchanger tube; 5. a heat sink; 6. a feeding section; 7. a cooling section; 8. supporting legs; 9. an air pump; 10. an exhaust pipe; 11. a waste gas filter tank; 12. a waste collection tank; 13. a fixing plate; 14. a filter layer; 15. and a through hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the invention easy to understand, the invention is further explained below with reference to the specific embodiments, but the following embodiments are only the preferred embodiments of the invention, not all. Based on the embodiments in the embodiment, those skilled in the art can obtain other embodiments without making creative efforts, and all of them belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Examples

As shown in fig. 1, 2, and 3, the utility model provides an intelligent powder metallurgy environmental protection fritting furnace, including sintering section 1, one side bottom intercommunication of sintering section 1 has blast pipe 10, install aspiration pump 9 on the blast pipe 10, blast pipe 10 is connected with exhaust gas filtering tank 11 through aspiration pump 9, the below fixed mounting of exhaust gas filtering tank 11 has garbage collection groove 12, garbage collection groove 12 is the type of falling ladder structure, and its bottom department is provided with the dodge gate, the horizontal welding of the junction of exhaust gas filtering tank 11 and garbage collection groove 12 has fixed plate 13, evenly distributed has filter layer 14 between the top of fixed plate 13 and exhaust gas filtering tank 11, the quantity of filter layer 14 is 5 at least layers at least, fixed plate 13 is located every position between filter layer 14 on the equidistance seted up through-hole 15, and the through-hole 15 quantity of seting up on every position is 3 at least;

when using this fritting furnace, start aspiration pump 9, the waste gas that mingles with waste powder and impurity that produces among the sintering process is by the suction blast pipe 10, then get into exhaust gas filter tank 11, through layer 14 layer upon layer in exhaust gas filter tank 11, waste powder and impurity stay in exhaust gas filter tank 11, later because the action of gravity falls down and is collected to waste collecting vat 12 in, after waste collecting vat 12 collects a period, can open the dodge gate, use the collecting box with these waste recycling, the rate of recovery of waste material has been improved, and is relatively environmental protection.

As shown in fig. 1, this embodiment further discloses that the sintering furnace further includes a feeding section 6 and a cooling section 7, the feeding section 6, the sintering section 1, and the cooling section 7 are sequentially connected, a heat exchange mechanism is disposed between the feeding section 6 and the cooling section 7, the heat exchange mechanism includes a heat exchanger 2, one side of the heat exchanger 2 is connected to the feeding section 6 through a second exchange tube 3, and the other side is connected to the cooling section 7 through a first exchange tube 4, the heat exchanger 2 includes a heating medium inlet, a heating medium outlet, a cooling medium inlet, and a cooling medium outlet, the lower end of the second exchange tube 3 is disposed in the feeding section 6, and both ends of the second exchange tube are respectively connected to the cooling medium inlet and the cooling medium outlet, the lower end of the first exchange tube 4 is disposed in the cooling section 7, and a section of the first exchange tube located in the cooling section 7 is sleeved with a heat dissipation fin 5;

when using this fritting furnace, the raw materials gets into sintering section 1 from feed section 6 in, get into cooling section 7 after the sintering is accomplished and cool off, at whole in-process, through first exchange pipe 4, second exchange pipe 3 and heat exchanger 2, heat exchange to the feed section 6 in with cooling section 7 in, make the raw materials in the feed section 6 obtain preheating, can improve follow-up sintering effect, simultaneously because the heat in the cooling section 7 is traded away, the cooling rate of cooling section 7 has still been improved, further improved sintering effect.

As shown in fig. 1, the embodiment also discloses that the two sides of the bottom end of the sintering section 1 are symmetrically and fixedly connected with supporting legs 8, the outer surface of the front side of the sintering section 1 is provided with a control panel, and the control panel is in signal connection with an operating mechanism in the sintering section 1;

the supporting legs 8 are arranged, so that the whole device is supported, and the stability of the device can be improved; through the control panel who sets up, control panel can control the fritting furnace, has realized intelligent operation at powder metallurgy's in-process.

As shown in fig. 1, the present embodiment also discloses that the cross section of the heat sink 5 is rectangular; by providing the heat radiating fins 5 having a rectangular cross section, the heat radiating area of the heat radiating fins 5 can be increased, the cooling rate of the heat radiating fins 5 can be increased, and the cooling effect of the heat radiating fins 5 can be enhanced.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an intelligence powder metallurgy environmental protection fritting furnace, includes sintering section (1), one side bottom intercommunication of sintering section (1) has blast pipe (10), its characterized in that: install aspiration pump (9) on blast pipe (10), blast pipe (10) are connected with exhaust gas filter tank (11) through aspiration pump (9), the below fixed mounting of exhaust gas filter tank (11) has garbage collection groove (12), garbage collection groove (12) bottom department is provided with the dodge gate, the horizontal welding of junction of exhaust gas filter tank (11) and garbage collection groove (12) has fixed plate (13), evenly distributed has filter layer (14) between the top of fixed plate (13) and exhaust gas filter tank (11), fixed plate (13) are located every through-hole (15) have been seted up to the equidistance on the position between filter layer (14).

2. The intelligent powder metallurgy environment-friendly sintering furnace according to claim 1, characterized in that: the sintering furnace further comprises a feeding section (6) and a cooling section (7), wherein the feeding section (6), the sintering section (1) and the cooling section (7) are sequentially connected, and a heat exchange mechanism is arranged between the feeding section (6) and the cooling section (7).

3. The intelligent powder metallurgy environment-friendly sintering furnace according to claim 2, characterized in that: the heat exchange mechanism comprises a heat exchanger (2), one side of the heat exchanger (2) is connected with a feeding section (6) through a second exchange pipe (3), and the other side of the heat exchanger is connected with a cooling section (7) through a first exchange pipe (4).

4. The intelligent powder metallurgy environment-friendly sintering furnace according to claim 3, characterized in that: the heat exchanger (2) comprises a heat medium inlet, a heat medium outlet, a refrigerant inlet and a refrigerant outlet, the lower end of the second exchange tube (3) is arranged in the feeding section (6), the two ends of the second exchange tube are respectively connected with the refrigerant inlet and the refrigerant outlet, the lower end of the first exchange tube (4) is arranged in the cooling section (7), and one section of the first exchange tube, which is located in the cooling section (7), is sleeved with the radiating fin (5).

5. The intelligent powder metallurgy environment-friendly sintering furnace according to claim 1, characterized in that: the bottom bilateral symmetry fixedly connected with supporting leg (8) of sintering section (1), be provided with control panel on its front side outer surface, control panel and the operating device signal connection in the sintering section (1).

6. The intelligent powder metallurgy environment-friendly sintering furnace according to claim 4, characterized in that: the section of the radiating fin (5) is rectangular.