CN214349608U

CN214349608U - Powder metallurgy sintering device

Info

Publication number: CN214349608U
Application number: CN202023328569.0U
Authority: CN
Inventors: 侯剑峰
Original assignee: Luliang University
Current assignee: Luliang University
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-10-08
Anticipated expiration: 2030-12-30

Abstract

The utility model belongs to the technical field of chemical industry metallurgy, concretely relates to powder metallurgy sintering device, including the fritting furnace body, the fritting furnace body includes feed zone, sintering section and cooling zone, all is provided with the blast pipe on feed zone and the cooling zone, and the blast pipe is connected with exhaust-gas treatment device, is provided with the guipure in the fritting furnace body, and the front end of guipure is provided with vibration unloading mechanism, and vibration unloading mechanism is including the stock guide of inclined being equipped with the small opening, and the stock guide passes through the bumper shock absorber to be connected with the collection workbin of below, and the dorsal part of stock guide is provided with vibrating motor, and the lower extreme of stock guide docks with the front end of guipure; place the metallurgical aggregate in the upper end of stock guide, vibrating motor work can be so that the powder group on aggregate surface drops to receiving the workbin in, avoids powder group and aggregate sintering influence the finished product quality together, and the aggregate is along the stock guide gliding under the action of gravity, falls on the net belt, gets into the fritting furnace originally internally, and exhaust treatment device handles the waste gas that the sintering produced, avoids environmental pollution.

Description

Powder metallurgy sintering device

Technical Field

The utility model belongs to the technical field of the chemical industry metallurgy, concretely relates to powder metallurgy sintering device.

Background

Powder metallurgy is a metallurgical process of mixing various metal powders and then filling and calcining, and various parts can be cast according to different models. In the prior art, before sending the metal powder aggregate into the fritting furnace, adopt artifical mode to eliminate the powder group on specific surface usually, make the powder group drop and avoid influencing the finished product quality with the aggregate sintering together, but adopt manual work to have the condition that work efficiency is low, waste time and energy, the fritting furnace of prior art has neglected the waste gas that produces in the sintering process simultaneously, has caused unnecessary environmental pollution.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problem that prior art exists, the utility model provides a powder metallurgy sintering device adopts the artifical work efficiency who eliminates powder group existence to prior art low, waste time and energy the condition such as and research and development, and simple structure is reasonable, can shake the powder group on the surface of the aggregation body automatically, and work efficiency is high, can carry out tail gas treatment to the waste gas that produces in the sintering process simultaneously, has reduced environmental pollution.

The utility model discloses a following technical scheme specifically realizes:

the utility model discloses a powder metallurgy sintering device, including the fritting furnace body, the fritting furnace body is including the feed zone, sintering section and the cooling zone of connecting in order, the feed zone with all be provided with the blast pipe on the cooling zone, the blast pipe is connected and is provided with exhaust treatment device, this internal guipure that is used for the transported substance material that is provided with of fritting furnace.

The front end of guipure is provided with vibration unloading mechanism, vibration unloading mechanism is including the stock guide and the receipts workbin of slope, the stock guide is located receive the top of workbin, be provided with the small opening on the stock guide, the dorsal part of stock guide is provided with vibrating motor, the stock guide pass through the bumper shock absorber with receive the workbin and be connected, the lower extreme of stock guide with the front end butt joint of guipure.

Further, the upper end of the spray chamber is provided with a gas outlet, a spray head is arranged in the spray chamber, the spray head is connected with a spray water tank through a water supply pipe, and a first booster pump is arranged on the pipeline of the water supply pipe.

Further, the spray head is an atomizing spray head.

Furthermore, the waste gas treatment device also comprises a return pipe, one end of the return pipe is connected with the bottom of the spray chamber, the other end of the return pipe is connected with the spray water tank, and a filter screen is arranged in the spray chamber.

Further, the filter screen is a metal filter screen.

Further, the utility model discloses a powder metallurgy sintering device still includes cooling device, cooling device sets up be used for doing on the cooling zone cooling.

Further, cooling device includes coolant tank, circulation heat exchange tube and second booster pump, the second booster pump sets up on the pipeline of circulation heat exchange tube, circulation heat exchange tube spiral coil is in on the cooling zone, the one end of circulation heat exchange tube with coolant tank connects, the other end backward flow of circulation heat exchange tube extremely coolant tank.

Further, a cooling fan is arranged on the outer side of the cooling water tank.

Further, the shock absorber is a spring shock absorber.

Further, still including placing the container, the diapire of placing the container is hollow out construction.

Based on above technical scheme, the utility model discloses a technological effect does:

the utility model discloses a powder metallurgy sintering device simple structure is reasonable, place the metallurgical aggregate in the upper end of stock guide, vibrating motor work, can make the powder dough on aggregate surface drop, the powder dough drops to receiving in the workbin through the small opening on the stock guide, avoid powder dough and aggregate sintering to influence the finished product quality together, the metallurgical aggregate is gliding along the stock guide under the action of gravity, fall on the net belt, thereby get into this internal sintering of fritting furnace, waste gas that the sintering produced is handled to exhaust treatment device, avoid environmental pollution.

The utility model discloses an optimal technical scheme's technological effect does:

firstly, one end of a return pipe is connected with the bottom of the spray chamber, the other end of the return pipe is connected with the spray water tank, a filter screen is arranged in the spray chamber, and spray liquid filtered by the filter screen can flow back to the spray water tank through the return pipe, so that the cyclic utilization of the spray liquid is realized;

and secondly, the circulating heat exchange tube is spirally wound on the cooling section, so that the heat exchange efficiency is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of a powder metallurgy sintering apparatus of example 1;

FIG. 2 is a schematic view of the structure of a powder metallurgy sintering apparatus according to example 2.

In the figure:

1-a feeding section; 2-sintering section; 3-a cooling section; 4-an exhaust pipe; 5, a mesh belt; 6-a material guide plate; 7-a material receiving box; 8-a vibration motor; 9-a shock absorber; 10-a spray chamber; 11-gas outlet; 12-a spray head; 13-water supply pipe; 14-a spray water tank; 15-a first booster pump; 16-a return conduit; 17-a filter screen; 18-a cooling water tank; 19-circulating heat exchange tubes; 20-a second booster pump; 21-a heat dissipation fan; 22-Place the container.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work all belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Example 1

As shown in fig. 1, the present embodiment provides a powder metallurgy sintering device, which includes a sintering furnace body, the sintering furnace body includes a feeding section 1, a sintering section 2 and a cooling section 3 that are connected in sequence, an exhaust pipe 4 is disposed on each of the feeding section 1 and the cooling section 3, a waste gas treatment device is disposed and connected with the exhaust pipe 4, and a mesh belt 5 for conveying materials is disposed in the sintering furnace body.

The front end of guipure 5 is provided with vibration unloading mechanism, specifically, vibration unloading mechanism is including the stock guide 6 and the receipts workbin 7 of slope, stock guide 6 is located receive the top of workbin 7, be provided with the small opening on the stock guide 6, the dorsal part of stock guide 6 is provided with vibrating motor 8, stock guide 6 pass through bumper shock absorber 9 with it connects to receive workbin 7, the lower extreme of stock guide 6 with the front end butt joint of guipure 5.

In this embodiment, the vibration blanking mechanism further includes a placing container 22, and the bottom of the placing container 22 is a hollow structure.

In this embodiment, exhaust treatment device shower chamber 10, the upper end of shower chamber 10 is provided with gas outlet 11, be provided with shower nozzle 12 in the shower chamber 10, as better selection, shower nozzle 12 is the atomizer, shower nozzle 12 is connected with spray tank 14 through delivery pipe 13, be provided with first booster pump 15 on delivery pipe 13's the pipeline.

Based on the technical scheme, when the powder metallurgy sintering device of the embodiment is used specifically, the placing container 22 filled with the metallurgical aggregate is placed at the upper end of the material guide plate 6, the vibrating motor 8 works, the placing container 22 slides downwards along the material guide plate 6 under the action of gravity, powder balls on the surface of the aggregate drop under vibration in the sliding process, and the dropped powder balls drop into a material receiving box below through hollowing out on the material guide plate 6 so as to be reused; and the placing container 22 filled with the aggregates falls onto the mesh belt 5 to enter the sintering furnace body for sintering;

the waste gas that the sintering produced is sent into through blast pipe 4 on feeding section 1 and the cooling zone 3 in the spray room 10, first booster pump 15 work, make spray tank 14 spray the liquid warp shower nozzle 12 blowout is sprayed the waste gas and is dissolved and the dust fall, reduces the emission pollution to the air.

As a further improvement of this embodiment, the exhaust gas treatment device further includes a return pipe 16, one end of the return pipe 16 is connected to the bottom of the spray chamber 10, the other end of the return pipe 16 is connected to the spray water tank 14, a filter screen 17 is disposed in the spray chamber 10, and the spray liquid filtered by the filter screen 17 can flow back to the spray water tank 14 through the return pipe 16, so as to realize recycling of the spray liquid.

As a further improvement of this embodiment, the filter screen 17 is a metal filter screen, and as a preferred option, the filter screen 17 is a stainless steel filter screen, and has good corrosion resistance.

Example 2

This embodiment is a further improvement on the above embodiment 1, and in order to better implement the present invention, the following structure is particularly adopted:

the powder metallurgy sintering device of this embodiment still includes cooling device, cooling device sets up be used for on the cooling section 3 for cooling down for the cooling section 3.

Specifically, as shown in fig. 2, the cooling device includes a cooling water tank 18, a circulation heat exchange pipe 19 and a second booster pump 20, the second booster pump 20 is disposed on a pipeline of the circulation heat exchange pipe 19, the circulation heat exchange pipe 19 is spirally wound on the cooling section 3, one end of the circulation heat exchange pipe 19 is connected to the cooling water tank 18, and the other end of the circulation heat exchange pipe 19 flows back to the cooling water tank 18.

Based on the structure, the cooling water in the cooling water tank 18 flows through the cooling section 3 to rapidly exchange heat with the cooling section 3, so as to reduce the temperature of the cooling section 3

As a further modification of the present embodiment, a radiator fan 21 is provided on the outside of the cooling water tank 18 for reducing the temperature of the cooling water tank 18.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention.

Claims

1. A powder metallurgy sintering device is characterized in that: the sintering furnace comprises a sintering furnace body, wherein the sintering furnace body comprises a feeding section (1), a sintering section (2) and a cooling section (3) which are connected in sequence, exhaust pipes (4) are arranged on the feeding section (1) and the cooling section (3), the exhaust pipes (4) are connected with a waste gas treatment device, and a mesh belt (5) used for conveying materials is arranged in the sintering furnace body;

the front end of guipure (5) is provided with vibration unloading mechanism, vibration unloading mechanism is including stock guide (6) and the receipts workbin (7) of slope, stock guide (6) are located receive the top of workbin (7), be provided with the small opening on stock guide (6), the dorsal part of stock guide (6) is provided with vibrating motor (8), stock guide (6) pass through bumper shock absorber (9) with receive workbin (7) and connect, the lower extreme of stock guide (6) with the front end butt joint of guipure (5).

2. The powder metallurgy sintering apparatus according to claim 1, characterized in that: waste gas treatment device shower room (10), the upper end of shower room (10) is provided with gas outlet (11), be provided with shower nozzle (12) in shower room (10), shower nozzle (12) are connected with spray tank (14) through flow pipe (13), be provided with first booster pump (15) on the pipeline of flow pipe (13).

3. The powder metallurgy sintering apparatus according to claim 2, characterized in that: the spray head (12) is an atomizing spray head.

4. The powder metallurgy sintering apparatus according to claim 2, characterized in that: the waste gas treatment device further comprises a return pipe (16), one end of the return pipe (16) is connected with the bottom of the spray chamber (10), the other end of the return pipe (16) is connected with the spray water tank (14), and a filter screen (17) is arranged in the spray chamber (10).

5. The powder metallurgy sintering apparatus according to claim 4, characterized in that: the filter screen (17) is a metal filter screen.

6. The powder metallurgy sintering apparatus according to claim 1, characterized in that: the cooling device is arranged on the cooling section (3) and used for cooling the cooling section (3).

7. The powder metallurgy sintering apparatus according to claim 6, characterized in that: the cooling device comprises a cooling water tank (18), a circulating heat exchange pipe (19) and a second booster pump (20), wherein the second booster pump (20) is arranged on a pipeline of the circulating heat exchange pipe (19), the circulating heat exchange pipe (19) is spirally wound on the cooling section (3), one end of the circulating heat exchange pipe (19) is connected with the cooling water tank (18), and the other end of the circulating heat exchange pipe (19) flows back to the cooling water tank (18).

8. The powder metallurgy sintering apparatus according to claim 7, characterized in that: and a cooling fan (21) is arranged on the outer side of the cooling water tank (18).

9. The powder metallurgy sintering apparatus according to claim 1, characterized in that: the shock absorber (9) is a spring shock absorber.

10. The powder metallurgy sintering apparatus according to claim 1, characterized in that: the vibration blanking mechanism further comprises a placing container (22), and the bottom wall of the placing container (22) is of a hollow structure.