CN215725187U

CN215725187U - Sintering furnace for powder metallurgy

Info

Publication number: CN215725187U
Application number: CN202121988713.5U
Authority: CN
Inventors: 梁国栋; 刘正强
Original assignee: Quansheng Xinxing New Material Technology Co ltd
Current assignee: Quansheng Xinxing New Material Technology Co ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-02-01
Anticipated expiration: 2031-08-23

Abstract

The utility model relates to the technical field of metallurgical equipment, and discloses a sintering furnace for powder metallurgy, which comprises a support, wherein the top of the support is fixedly connected with the sintering furnace, one side of the top of the sintering furnace is fixedly connected with a first pipeline, one side of the bottom of the first pipeline is fixedly connected with a gas washing box, the bottom of the gas washing box is fixedly connected with a water tank, a second pipeline is fixedly connected to the front of the gas washing box close to the top, the bottom of the second pipeline is fixedly connected with a third pipeline, waste gas in the sintering furnace is led into the gas washing box through the first pipeline, water in the water tank is extracted through the work of a first water pump and a second water pump, the water is injected into a water storage tank through the second pipeline, the third pipeline, a seventh pipeline and an eighth pipeline, water mist is sprayed in the water tank through a spraying opening, metal powder and dust in the waste gas are adsorbed, and then the gas is exhausted through an exhaust hole at the top of the gas washing box, the waste gas is effectively purified, the air is prevented from being polluted, and the environment is effectively protected.

Description

Sintering furnace for powder metallurgy

Technical Field

The utility model relates to the technical field of metallurgical equipment, in particular to a sintering furnace for powder metallurgy.

Background

The sintering furnace is a furnace which makes solid particles of ceramic green bodies mutually bonded at high temperature, the crystal grains grow up, gaps (air holes) and crystal boundaries gradually decrease, the total volume is shrunk and the density is increased through the transmission of substances, and finally, the sintering furnace becomes a compact polycrystalline sintering body with a certain microstructure.

First, when used in powder metallurgy, sintering furnaces produce a large amount of exhaust gas containing metal powder and dust particles, and the direct discharge of such exhaust gas into the atmosphere causes serious environmental pollution, damages ecology and harmlessness to the environmental protection.

Secondly, the sintering furnace needs a large amount of water to cool the metal when used in the aspect of powder metallurgy, the cooled water contains a large amount of metal powder, and the water resource is polluted if the metal powder is directly discharged, so that the ecological balance in rivers is influenced, and the environment is seriously polluted.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the background technology, the utility model provides a sintering furnace for powder metallurgy, which has the advantages of purifying air and wastewater and solves the problems in the background technology.

The utility model provides the following technical scheme: a sintering furnace for powder metallurgy comprises a support, wherein the top of the support is fixedly connected with the sintering furnace, one side of the top of the sintering furnace is fixedly connected with a first pipeline, one side of the bottom of the first pipeline is fixedly connected with a gas washing tank, the bottom of the gas washing tank is fixedly connected with a water tank, the front side of the gas washing tank, which is close to the top, is fixedly connected with a second pipeline, the bottom of the second pipeline is fixedly connected with a third pipeline, the bottom of the third pipeline is fixedly sleeved with a first water pump, the bottom of the first water pump is fixedly connected with a sixth pipeline, the other end of the sixth pipeline is fixedly sleeved with the front side of the water tank, the back side of the gas washing tank, which is close to the top, is fixedly connected with a seventh pipeline, the bottom of the seventh pipeline is fixedly connected with an eighth pipeline, the bottom of the eighth pipeline is fixedly connected with a second water pump, and the bottom of the second water pump is fixedly connected with a ninth pipeline, the other end of ninth pipeline cup joints with the back of water tank is fixed, the equal fixedly connected with aqua storage tank in both sides at the inboard top of gas washing case, the equal fixedly connected with water inlet in the dead astern of aqua storage tank, the bottom fixedly connected with spray nozzle of aqua storage tank, the positive water inlet of aqua storage tank cup joints with the second pipeline is fixed, the water inlet at the aqua storage tank back cup joints with the seventh pipeline is fixed, the fixed cover in bottom of gas washing case one side has connect the fourth pipeline.

The selection, the fixed cover in bottom of the positive one side of fritting furnace has connect the fifth pipeline, the fixed cover in one side at the fifth pipeline back has connect the rose box, one side at rose box top and the fixed bottom that cup joints of fourth pipeline, the first filter screen of one side fixedly connected with of rose box inside, the inside opposite side fixedly connected with second filter screen of rose box, the fixed cover in bottom of rose box one side has connect the outlet.

And in selection, the first pipeline is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the seventh pipeline is a U-shaped pipe formed by combining three sections of pipelines and two elbows.

Carefully, the inboard length of gas washing case is the same with the length of aqua storage tank, the spraying scope of nozzle is the inboard of whole gas washing case, nozzle spun water is the water smoke form, a plurality of exhaust holes have been seted up at gas washing case top.

And carefully selecting, wherein the fifth pipeline is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the other side of the back surface of the fifth pipeline is attached to the outer side of the sintering furnace.

And carefully selecting, wherein the first filter screen is a four-hundred-mesh filter screen, and the second filter screen is an eight-hundred-mesh filter screen.

Compared with the existing sintering furnace, the utility model has the following beneficial effects:

2. this fritting furnace for powder metallurgy, in leading-in the scrubbing chamber of waste gas in with the fritting furnace through first pipeline, through the water in first water pump and the work extraction water tank of second water pump, through the second pipeline, the third pipeline, the seventh pipeline, and the eighth pipeline is poured into water into the aqua storage tank, spray water smoke in the water tank through the sprinkler bead, adsorb metal powder and dust in the waste gas, then exhaust through the exhaust hole at scrubbing chamber top, effectual waste gas of having purified, prevent to produce the pollution to the air, the effectual environment that has protected.

1. This fritting furnace for powder metallurgy, it has the fifth pipeline to fix the cover through the bottom of the positive one side of fritting furnace and to have connect, the fixed filter box that has connect in one side at the fifth pipeline back, one side at filter box top and the fixed bottom that cup joints of fourth pipeline, the first filter screen of one side fixedly connected with of filter box inside, the inside opposite side fixedly connected with second filter screen of filter box, the fixed outlet that has cup jointed in bottom of filter box one side, the mesh of the metal powder of filtration aquatic has been reached, prevent to cause the pollution to the water resource, the environment has been protected.

Drawings

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

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

FIG. 3 is a schematic sectional view of the scrubber box according to the present invention;

fig. 4 is a schematic cross-sectional structure diagram of the filter box of the present invention.

In the figure: 1. a support; 2. sintering furnace; 3. a first conduit; 4. a second conduit; 5. a third pipeline; 6. a gas washing tank; 7. a fourth conduit; 8. a filter box; 9. a water outlet; 10. a fifth pipeline; 11. a first water pump; 12. a sixth pipeline; 13. a water tank; 14. a seventh pipe; 15. an eighth conduit; 16. a second water pump; 17. a ninth conduit; 18. a water storage tank; 19. a water inlet; 20. a spray opening; 21. a first filter screen; 22. and a second filter screen.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a sintering furnace for powder metallurgy comprises a support 1, a sintering furnace 2 is fixedly connected to the top of the support 1, a first pipeline 3 is fixedly connected to one side of the top of the sintering furnace 2, a gas washing tank 6 is fixedly connected to one side of the bottom of the first pipeline 3, a water tank 13 is fixedly connected to the bottom of the gas washing tank 6, a second pipeline 4 is fixedly connected to the front of the gas washing tank 6 near the top, a third pipeline 5 is fixedly connected to the bottom of the second pipeline 4, a first water pump 11 is fixedly connected to the bottom of the third pipeline 5, a sixth pipeline 12 is fixedly connected to the bottom of the first water pump 11, the other end of the sixth pipeline 12 is fixedly sleeved with the front of the water tank 13, a seventh pipeline 14 is fixedly connected to the back of the gas washing tank 6 near the top, and an eighth pipeline 15 is fixedly connected to the bottom of the seventh pipeline 14, eighth pipeline 15's bottom fixedly connected with second water pump 16, the ninth pipeline 17 of bottom fixedly connected with of second water pump 16, the other end of ninth pipeline 17 and the fixed back of water tank 13 cup joint, the equal fixedly connected with aqua storage tank 18 in both sides at the inboard top of gas washing case 6, the equal fixedly connected with water inlet 19 in the positive back of aqua storage tank 18, the bottom fixedly connected with of aqua storage tank 18 sprays mouth 20, the positive water inlet 19 and the fixed cup joint of second pipeline 4 of aqua storage tank 18, the water inlet 19 and the fixed cup joint of seventh pipeline 14 at the aqua storage tank 18 back, the fixed fourth pipeline 7 that has cup jointed in bottom of gas washing case 6 one side.

Wherein, the fixed cover in bottom of the positive one side of fritting furnace 2 has connect fifth pipeline 10, one side at the fifth pipeline 10 back is fixed to be cup jointed filter box 8, one side at filter box 8 top and the fixed bottom of fourth pipeline 7 cup joint, the first filter screen 21 of one side fixedly connected with of filter box 8 inside, the inside opposite side fixedly connected with second filter screen 22 of filter box 8, the fixed outlet 9 that has cup jointed in bottom of filter box 8 one side.

The first pipeline 3 is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the seventh pipeline 14 is a U-shaped pipe formed by combining three sections of pipelines and two elbows, so that sufficient water supply in the water storage tank 18 is ensured.

Wherein, the length of gas washing case 6 inboard is the same with the length of aqua storage tank 18, the spraying scope of nozzle 20 is the inboard of whole gas washing case 6, nozzle 20 spun water is the water smoke form, a plurality of exhaust holes have been seted up at gas washing case 6 top, guarantee the impurity in the scavenging air.

The fifth pipeline 10 is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the other side of the back surface of the fifth pipeline 10 is attached to the outer side of the sintering furnace 2, so that water is guaranteed to flow into the filter box 8 after cooling the metal.

Wherein, first filter screen 21 is four hundred meshes filter screen, second filter screen 22 is eight hundred meshes filter screen, has gone into twice and has filtered the metal powder in the aquatic more effectively.

The working principle is as follows: during the use, through leading-in the scrubbing case 6 of waste gas in the first pipeline 3 with the sintering furnace, through the water in first water pump 11 and the work extraction water tank 13 of second water pump 16, pour into the aqua storage tank 18 through second pipeline 4, third pipeline 5, seventh pipeline 14, and eighth pipeline 15 with water, spray water smoke in water tank 13 through sprinkler mouth 20, adsorb metal powder and dust in the waste gas, then exhaust through the exhaust hole at scrubbing case 6 top, the effectual waste gas that has purified.

After the clear water is cooled down to the metal, it has fifth pipeline 10 to fix the cover in the bottom of 2 positive one sides of fritting furnace, one side at the fifth pipeline 10 back is fixed to have cup jointed rose box 8, one side at rose box 8 top and the fixed bottom of fourth pipeline 7 cup joint, the first filter screen 21 of one side fixedly connected with of rose box 8 inside, the inside opposite side fixedly connected with second filter screen 22 of rose box 8, the fixed cover in bottom of rose box 8 one side has cup jointed outlet 9, the mesh of the metal powder in the filtration aquatic has been reached.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Also 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 and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention. In the drawings of the present invention, the filling pattern is only for distinguishing the layers, and is not limited to any other way.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A sintering furnace for powder metallurgy, comprising a support (1), characterized in that: a sintering furnace (2) is fixedly connected to the top of the support (1), a first pipeline (3) is fixedly connected to one side of the top of the sintering furnace (2), a gas washing tank (6) is fixedly connected to one side of the bottom of the first pipeline (3), a water tank (13) is fixedly connected to the bottom of the gas washing tank (6), a second pipeline (4) is fixedly connected to the front of the gas washing tank (6) close to the top, a third pipeline (5) is fixedly connected to the bottom of the second pipeline (4), a first water pump (11) is fixedly sleeved at the bottom of the third pipeline (5), a sixth pipeline (12) is fixedly connected to the bottom of the first water pump (11), the other end of the sixth pipeline (12) is fixedly sleeved with the front of the water tank (13), a seventh pipeline (14) is fixedly connected to the back of the gas washing tank (6) close to the top, an eighth pipeline (15) is fixedly connected to the bottom of the seventh pipeline (14), the bottom fixedly connected with second water pump (16) of eighth pipeline (15), the bottom fixedly connected with ninth pipeline (17) of second water pump (16), the other end of ninth pipeline (17) is fixed with the back of water tank (13) and is cup jointed, wash the equal fixedly connected with aqua storage tank (18) in both sides at the inboard top of gas tank (6), the equal fixedly connected with water inlet (19) in the positive back of aqua storage tank (18), the bottom fixedly connected with of aqua storage tank (18) sprays mouth (20), the positive water inlet (19) of aqua storage tank (18) is fixed with second pipeline (4) and is cup jointed, water inlet (19) and seventh pipeline (14) the fixed cup joint at the aqua storage tank (18) back, the fixed fourth pipeline (7) that has cup jointed in the bottom of gas tank (6) one side.

2. The sintering furnace for powder metallurgy according to claim 1, wherein: the fixed cover in bottom of the positive one side of fritting furnace (2) has connect fifth pipeline (10), the fixed cover in one side at the fifth pipeline (10) back has connect rose box (8), one side at rose box (8) top and the fixed bottom of fourth pipeline (7) cup joint, the first filter screen of one side fixedly connected with (21) of rose box (8) inside, the opposite side fixedly connected with second filter screen (22) of rose box (8) inside, the fixed cover in bottom of rose box (8) one side has connect outlet (9).

3. The sintering furnace for powder metallurgy according to claim 1, wherein: the first pipeline (3) is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the seventh pipeline (14) is a U-shaped pipe formed by combining three sections of pipelines and two elbows.

4. The sintering furnace for powder metallurgy according to claim 1, wherein: the length of washing gas case (6) inboard is the same with the length of aqua storage tank (18), the spraying scope of spraying mouth (20) is the inboard of whole washing gas case (6), spraying mouth (20) spun water is the water smoke form, a plurality of exhaust holes have been seted up at washing gas case (6) top.

5. The sintering furnace for powder metallurgy according to claim 2, wherein: the fifth pipeline (10) is a U-shaped pipe formed by combining three sections of pipelines and two elbows, and the other side of the back of the fifth pipeline (10) is attached to the outer side of the sintering furnace (2).

6. The sintering furnace for powder metallurgy according to claim 2, wherein: the first filter screen (21) is a four-hundred-mesh filter screen, and the second filter screen (22) is an eight-hundred-mesh filter screen.